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SPASS---3.9.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC387-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n022.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 22:03:45 EDT 2022

% Result   : Unsatisfiable 1.83s 2.03s
% Output   : Refutation 1.83s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.13/0.13  % Problem  : SWC387-1 : TPTP v8.1.0. Released v2.4.0.
% 0.13/0.14  % Command  : run_spass %d %s
% 0.14/0.35  % Computer : n022.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Sun Jun 12 21:11:33 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 1.83/2.03  
% 1.83/2.03  SPASS V 3.9 
% 1.83/2.03  SPASS beiseite: Proof found.
% 1.83/2.03  % SZS status Theorem
% 1.83/2.03  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 1.83/2.03  SPASS derived 3546 clauses, backtracked 2448 clauses, performed 128 splits and kept 4714 clauses.
% 1.83/2.03  SPASS allocated 78486 KBytes.
% 1.83/2.03  SPASS spent	0:00:01.67 on the problem.
% 1.83/2.03  		0:00:00.04 for the input.
% 1.83/2.03  		0:00:00.00 for the FLOTTER CNF translation.
% 1.83/2.03  		0:00:00.02 for inferences.
% 1.83/2.03  		0:00:00.03 for the backtracking.
% 1.83/2.03  		0:00:01.39 for the reduction.
% 1.83/2.03  
% 1.83/2.03  
% 1.83/2.03  Here is a proof with depth 2, length 480 :
% 1.83/2.03  % SZS output start Refutation
% 1.83/2.03  1[0:Inp] ||  -> ssList(sk1)*.
% 1.83/2.03  2[0:Inp] ||  -> ssList(sk2)*.
% 1.83/2.03  5[0:Inp] ||  -> equal(sk4,sk2)**.
% 1.83/2.03  6[0:Inp] ||  -> equal(sk3,sk1)**.
% 1.83/2.03  7[0:Inp] ssItem(u) || memberP(sk2,u) equal(cons(u,nil),sk1)** -> .
% 1.83/2.03  8[0:Inp] || equal(nil,sk4) -> equal(sk3,nil)**.
% 1.83/2.03  9[0:Inp] || equal(nil,sk2)** equal(nil,sk1) -> .
% 1.83/2.03  10[0:Inp] || neq(sk4,nil)* -> ssItem(sk5).
% 1.83/2.03  11[0:Inp] || neq(sk4,nil) -> equal(cons(sk5,nil),sk3)**.
% 1.83/2.03  12[0:Inp] || neq(sk4,nil) -> memberP(sk4,sk5)*.
% 1.83/2.03  13[0:Inp] ||  -> equalelemsP(nil)*.
% 1.83/2.03  14[0:Inp] ||  -> duplicatefreeP(nil)*.
% 1.83/2.03  15[0:Inp] ||  -> strictorderedP(nil)*.
% 1.83/2.03  16[0:Inp] ||  -> totalorderedP(nil)*.
% 1.83/2.03  17[0:Inp] ||  -> strictorderP(nil)*.
% 1.83/2.03  18[0:Inp] ||  -> totalorderP(nil)*.
% 1.83/2.03  19[0:Inp] ||  -> cyclefreeP(nil)*.
% 1.83/2.03  20[0:Inp] ||  -> ssList(nil)*.
% 1.83/2.03  84[0:Inp] ssList(u) ||  -> ssItem(v)* duplicatefreeP(u)*.
% 1.83/2.03  99[0:Inp] ssList(u) ||  -> cyclefreeP(u) leq(skaf50(u),skaf49(u))*.
% 1.83/2.03  100[0:Inp] ssList(u) ||  -> cyclefreeP(u) leq(skaf49(u),skaf50(u))*.
% 1.83/2.03  111[0:Inp] ssList(u) ssItem(v) || equal(cons(v,u),u)** -> .
% 1.83/2.03  112[0:Inp] ssList(u) ssList(v) ||  -> equal(u,v) neq(u,v)*.
% 1.83/2.03  114[0:Inp] ssItem(u) ssItem(v) ||  -> equal(u,v) neq(u,v)*.
% 1.83/2.03  175[0:Inp] ssList(u) ||  -> strictorderedP(u) equal(app(app(skaf71(u),cons(skaf69(u),skaf72(u))),cons(skaf70(u),skaf73(u))),u)**.
% 1.83/2.03  176[0:Inp] ssList(u) ||  -> totalorderedP(u) equal(app(app(skaf66(u),cons(skaf64(u),skaf67(u))),cons(skaf65(u),skaf68(u))),u)**.
% 1.83/2.03  177[0:Inp] ssList(u) ||  -> strictorderP(u) equal(app(app(skaf61(u),cons(skaf59(u),skaf62(u))),cons(skaf60(u),skaf63(u))),u)**.
% 1.83/2.03  178[0:Inp] ssList(u) ||  -> totalorderP(u) equal(app(app(skaf56(u),cons(skaf54(u),skaf57(u))),cons(skaf55(u),skaf58(u))),u)**.
% 1.83/2.03  189[0:Inp] ssList(u) ssList(v) || equal(hd(v),hd(u))* equal(tl(v),tl(u)) -> equal(v,u) equal(nil,v) equal(nil,u).
% 1.83/2.03  200[0:Rew:5.0,10.0] || neq(sk2,nil)* -> ssItem(sk5).
% 1.83/2.03  201[0:Rew:5.0,12.1,5.0,12.0] || neq(sk2,nil) -> memberP(sk2,sk5)*.
% 1.83/2.03  202[0:Rew:6.0,8.1,5.0,8.0] || equal(nil,sk2)** -> equal(nil,sk1).
% 1.83/2.03  203[0:Rew:202.1,9.1] || equal(nil,sk2)** equal(sk1,sk1) -> .
% 1.83/2.03  204[0:Obv:203.1] || equal(nil,sk2)** -> .
% 1.83/2.03  205[0:Rew:6.0,11.1,5.0,11.0] || neq(sk2,nil) -> equal(cons(sk5,nil),sk1)**.
% 1.83/2.03  226[0:Res:2.0,178.0] ||  -> totalorderP(sk2) equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.03  227[0:Res:2.0,177.0] ||  -> strictorderP(sk2) equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  228[0:Res:2.0,176.0] ||  -> totalorderedP(sk2) equal(app(app(skaf66(sk2),cons(skaf64(sk2),skaf67(sk2))),cons(skaf65(sk2),skaf68(sk2))),sk2)**.
% 1.83/2.03  229[0:Res:2.0,175.0] ||  -> strictorderedP(sk2) equal(app(app(skaf71(sk2),cons(skaf69(sk2),skaf72(sk2))),cons(skaf70(sk2),skaf73(sk2))),sk2)**.
% 1.83/2.03  285[0:Res:2.0,99.0] ||  -> cyclefreeP(sk2) leq(skaf50(sk2),skaf49(sk2))*.
% 1.83/2.03  286[0:Res:2.0,100.0] ||  -> cyclefreeP(sk2) leq(skaf49(sk2),skaf50(sk2))*.
% 1.83/2.03  291[0:Res:2.0,84.0] ||  -> ssItem(u)* duplicatefreeP(sk2)*.
% 1.83/2.03  345[0:Res:2.0,112.1] ssList(u) ||  -> equal(sk2,u) neq(sk2,u)*.
% 1.83/2.03  440[0:Res:1.0,112.0] ssList(u) ||  -> equal(u,sk1) neq(u,sk1)*.
% 1.83/2.03  462[0:Res:1.0,84.0] ||  -> ssItem(u)* duplicatefreeP(sk1)*.
% 1.83/2.03  477[0:Res:1.0,189.1] ssList(u) || equal(hd(u),hd(sk1))* equal(tl(u),tl(sk1)) -> equal(u,sk1) equal(nil,u) equal(nil,sk1).
% 1.83/2.03  515[0:Res:1.0,111.1] ssItem(u) || equal(cons(u,sk1),sk1)** -> .
% 1.83/2.03  570[1:Spt:84.1] ||  -> ssItem(u)*.
% 1.83/2.03  602[1:MRR:114.1,114.0,570.0] ||  -> equal(u,v) neq(u,v)*.
% 1.83/2.03  610[1:MRR:7.0,570.0] || memberP(sk2,u) equal(cons(u,nil),sk1)** -> .
% 1.83/2.03  1213[1:SpL:205.1,610.1] || neq(sk2,nil) memberP(sk2,sk5)* equal(sk1,sk1) -> .
% 1.83/2.03  1216[1:Obv:1213.2] || neq(sk2,nil) memberP(sk2,sk5)* -> .
% 1.83/2.03  1217[1:MRR:1216.1,201.1] || neq(sk2,nil)* -> .
% 1.83/2.03  1220[1:Res:602.1,1217.0] ||  -> equal(nil,sk2)**.
% 1.83/2.03  1221[1:MRR:1220.0,204.0] ||  -> .
% 1.83/2.03  1222[1:Spt:1221.0,84.0,84.2] ssList(u) ||  -> duplicatefreeP(u)*.
% 1.83/2.03  1242[2:Spt:462.0] ||  -> ssItem(u)*.
% 1.83/2.03  1270[2:MRR:114.1,114.0,1242.0] ||  -> equal(u,v) neq(u,v)*.
% 1.83/2.03  1275[2:MRR:7.0,1242.0] || memberP(sk2,u) equal(cons(u,nil),sk1)** -> .
% 1.83/2.03  1890[2:SpL:205.1,1275.1] || neq(sk2,nil) memberP(sk2,sk5)* equal(sk1,sk1) -> .
% 1.83/2.03  1893[2:Obv:1890.2] || neq(sk2,nil) memberP(sk2,sk5)* -> .
% 1.83/2.03  1894[2:MRR:1893.1,201.1] || neq(sk2,nil)* -> .
% 1.83/2.03  1895[2:Res:1270.1,1894.0] ||  -> equal(nil,sk2)**.
% 1.83/2.03  1896[2:MRR:1895.0,204.0] ||  -> .
% 1.83/2.03  1897[2:Spt:1896.0,462.1] ||  -> duplicatefreeP(sk1)*.
% 1.83/2.03  1900[3:Spt:291.0] ||  -> ssItem(u)*.
% 1.83/2.03  1932[3:MRR:114.1,114.0,1900.0] ||  -> equal(u,v) neq(u,v)*.
% 1.83/2.03  1940[3:MRR:7.0,1900.0] || memberP(sk2,u) equal(cons(u,nil),sk1)** -> .
% 1.83/2.03  2532[3:SpL:205.1,1940.1] || neq(sk2,nil) memberP(sk2,sk5)* equal(sk1,sk1) -> .
% 1.83/2.03  2535[3:Obv:2532.2] || neq(sk2,nil) memberP(sk2,sk5)* -> .
% 1.83/2.03  2536[3:MRR:2535.1,201.1] || neq(sk2,nil)* -> .
% 1.83/2.03  2539[3:Res:1932.1,2536.0] ||  -> equal(nil,sk2)**.
% 1.83/2.03  2540[3:MRR:2539.0,204.0] ||  -> .
% 1.83/2.03  2541[3:Spt:2540.0,291.1] ||  -> duplicatefreeP(sk2)*.
% 1.83/2.03  2542[4:Spt:477.5] ||  -> equal(nil,sk1)**.
% 1.83/2.03  2557[4:Rew:2542.0,204.0] || equal(sk2,sk1)** -> .
% 1.83/2.03  2609[4:Rew:2542.0,205.0] || neq(sk2,sk1) -> equal(cons(sk5,nil),sk1)**.
% 1.83/2.03  2611[4:Rew:2542.0,200.0] || neq(sk2,sk1)* -> ssItem(sk5).
% 1.83/2.03  2690[4:Rew:2542.0,2609.1] || neq(sk2,sk1) -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  2720[5:Spt:229.0] ||  -> strictorderedP(sk2)*.
% 1.83/2.03  2723[6:Spt:228.0] ||  -> totalorderedP(sk2)*.
% 1.83/2.03  2727[7:Spt:286.0] ||  -> cyclefreeP(sk2)*.
% 1.83/2.03  2729[8:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.03  2730[9:Spt:226.0] ||  -> totalorderP(sk2)*.
% 1.83/2.03  2731[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  2904[10:Res:440.2,2731.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  2905[10:SSi:2904.0,2.0,2541.0,2720.0,2723.0,2727.0,2729.0,2730.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  2906[10:MRR:2905.0,2557.0] ||  -> .
% 1.83/2.03  2907[10:Spt:2906.0,2611.0,2731.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  2908[10:Spt:2906.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  2910[10:MRR:2690.0,2907.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  2923[10:SpL:2910.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  2926[10:Obv:2923.1] ssItem(sk5) ||  -> .
% 1.83/2.03  2927[10:SSi:2926.0,2908.0] ||  -> .
% 1.83/2.03  2937[9:Spt:2927.0,226.0,2730.0] || totalorderP(sk2)* -> .
% 1.83/2.03  2938[9:Spt:2927.0,226.1] ||  -> equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.03  2952[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  2953[10:Res:440.2,2952.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  2954[10:SSi:2953.0,2.0,2541.0,2720.0,2723.0,2727.0,2729.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  2955[10:MRR:2954.0,2557.0] ||  -> .
% 1.83/2.03  2956[10:Spt:2955.0,2611.0,2952.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  2957[10:Spt:2955.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  2959[10:MRR:2690.0,2956.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  2972[10:SpL:2959.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  2975[10:Obv:2972.1] ssItem(sk5) ||  -> .
% 1.83/2.03  2976[10:SSi:2975.0,2957.0] ||  -> .
% 1.83/2.03  2986[8:Spt:2976.0,227.0,2729.0] || strictorderP(sk2)* -> .
% 1.83/2.03  2987[8:Spt:2976.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  2997[9:Spt:226.0] ||  -> totalorderP(sk2)*.
% 1.83/2.03  3002[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3003[10:Res:440.2,3002.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3004[10:SSi:3003.0,2.0,2541.0,2720.0,2723.0,2727.0,2997.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3005[10:MRR:3004.0,2557.0] ||  -> .
% 1.83/2.03  3006[10:Spt:3005.0,2611.0,3002.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3007[10:Spt:3005.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3009[10:MRR:2690.0,3006.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3022[10:SpL:3009.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3025[10:Obv:3022.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3026[10:SSi:3025.0,3007.0] ||  -> .
% 1.83/2.03  3036[9:Spt:3026.0,226.0,2997.0] || totalorderP(sk2)* -> .
% 1.83/2.03  3037[9:Spt:3026.0,226.1] ||  -> equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.03  3045[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3046[10:Res:440.2,3045.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3047[10:SSi:3046.0,2.0,2541.0,2720.0,2723.0,2727.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3048[10:MRR:3047.0,2557.0] ||  -> .
% 1.83/2.03  3049[10:Spt:3048.0,2611.0,3045.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3050[10:Spt:3048.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3052[10:MRR:2690.0,3049.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3065[10:SpL:3052.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3068[10:Obv:3065.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3069[10:SSi:3068.0,3050.0] ||  -> .
% 1.83/2.03  3079[7:Spt:3069.0,286.0,2727.0] || cyclefreeP(sk2)* -> .
% 1.83/2.03  3080[7:Spt:3069.0,286.1] ||  -> leq(skaf49(sk2),skaf50(sk2))*.
% 1.83/2.03  3085[8:Spt:226.0] ||  -> totalorderP(sk2)*.
% 1.83/2.03  3086[9:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.03  3087[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3088[10:Res:440.2,3087.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3089[10:SSi:3088.0,2.0,2541.0,2720.0,2723.0,3085.0,3086.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3090[10:MRR:3089.0,2557.0] ||  -> .
% 1.83/2.03  3091[10:Spt:3090.0,2611.0,3087.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3092[10:Spt:3090.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3094[10:MRR:2690.0,3091.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3111[10:SpL:3094.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3114[10:Obv:3111.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3115[10:SSi:3114.0,3092.0] ||  -> .
% 1.83/2.03  3125[9:Spt:3115.0,227.0,3086.0] || strictorderP(sk2)* -> .
% 1.83/2.03  3126[9:Spt:3115.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  3134[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3135[10:Res:440.2,3134.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3136[10:SSi:3135.0,2.0,2541.0,2720.0,2723.0,3085.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3137[10:MRR:3136.0,2557.0] ||  -> .
% 1.83/2.03  3138[10:Spt:3137.0,2611.0,3134.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3139[10:Spt:3137.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3141[10:MRR:2690.0,3138.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3154[10:SpL:3141.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3157[10:Obv:3154.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3158[10:SSi:3157.0,3139.0] ||  -> .
% 1.83/2.03  3168[8:Spt:3158.0,226.0,3085.0] || totalorderP(sk2)* -> .
% 1.83/2.03  3169[8:Spt:3158.0,226.1] ||  -> equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.03  3177[9:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.03  3178[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3179[10:Res:440.2,3178.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3180[10:SSi:3179.0,2.0,2541.0,2720.0,2723.0,3177.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3181[10:MRR:3180.0,2557.0] ||  -> .
% 1.83/2.03  3182[10:Spt:3181.0,2611.0,3178.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3183[10:Spt:3181.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3185[10:MRR:2690.0,3182.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3198[10:SpL:3185.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3201[10:Obv:3198.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3202[10:SSi:3201.0,3183.0] ||  -> .
% 1.83/2.03  3212[9:Spt:3202.0,227.0,3177.0] || strictorderP(sk2)* -> .
% 1.83/2.03  3213[9:Spt:3202.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  3221[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3222[10:Res:440.2,3221.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3223[10:SSi:3222.0,2.0,2541.0,2720.0,2723.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3224[10:MRR:3223.0,2557.0] ||  -> .
% 1.83/2.03  3225[10:Spt:3224.0,2611.0,3221.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3226[10:Spt:3224.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3228[10:MRR:2690.0,3225.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3241[10:SpL:3228.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3244[10:Obv:3241.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3245[10:SSi:3244.0,3226.0] ||  -> .
% 1.83/2.03  3255[6:Spt:3245.0,228.0,2723.0] || totalorderedP(sk2)* -> .
% 1.83/2.03  3256[6:Spt:3245.0,228.1] ||  -> equal(app(app(skaf66(sk2),cons(skaf64(sk2),skaf67(sk2))),cons(skaf65(sk2),skaf68(sk2))),sk2)**.
% 1.83/2.03  3267[7:Spt:285.0] ||  -> cyclefreeP(sk2)*.
% 1.83/2.03  3269[8:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.03  3274[9:Spt:226.0] ||  -> totalorderP(sk2)*.
% 1.83/2.03  3276[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3277[10:Res:440.2,3276.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3278[10:SSi:3277.0,2.0,2541.0,2720.0,3267.0,3269.0,3274.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3279[10:MRR:3278.0,2557.0] ||  -> .
% 1.83/2.03  3280[10:Spt:3279.0,2611.0,3276.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3281[10:Spt:3279.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3283[10:MRR:2690.0,3280.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3296[10:SpL:3283.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3299[10:Obv:3296.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3300[10:SSi:3299.0,3281.0] ||  -> .
% 1.83/2.03  3310[9:Spt:3300.0,226.0,3274.0] || totalorderP(sk2)* -> .
% 1.83/2.03  3311[9:Spt:3300.0,226.1] ||  -> equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.03  3319[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3320[10:Res:440.2,3319.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3321[10:SSi:3320.0,2.0,2541.0,2720.0,3267.0,3269.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3322[10:MRR:3321.0,2557.0] ||  -> .
% 1.83/2.03  3323[10:Spt:3322.0,2611.0,3319.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3324[10:Spt:3322.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3326[10:MRR:2690.0,3323.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3339[10:SpL:3326.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3342[10:Obv:3339.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3343[10:SSi:3342.0,3324.0] ||  -> .
% 1.83/2.03  3353[8:Spt:3343.0,227.0,3269.0] || strictorderP(sk2)* -> .
% 1.83/2.03  3354[8:Spt:3343.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  3362[9:Spt:226.0] ||  -> totalorderP(sk2)*.
% 1.83/2.03  3364[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3365[10:Res:440.2,3364.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3366[10:SSi:3365.0,2.0,2541.0,2720.0,3267.0,3362.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3367[10:MRR:3366.0,2557.0] ||  -> .
% 1.83/2.03  3368[10:Spt:3367.0,2611.0,3364.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3369[10:Spt:3367.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3371[10:MRR:2690.0,3368.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3384[10:SpL:3371.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3387[10:Obv:3384.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3388[10:SSi:3387.0,3369.0] ||  -> .
% 1.83/2.03  3398[9:Spt:3388.0,226.0,3362.0] || totalorderP(sk2)* -> .
% 1.83/2.03  3399[9:Spt:3388.0,226.1] ||  -> equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.03  3407[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3408[10:Res:440.2,3407.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3409[10:SSi:3408.0,2.0,2541.0,2720.0,3267.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3410[10:MRR:3409.0,2557.0] ||  -> .
% 1.83/2.03  3411[10:Spt:3410.0,2611.0,3407.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3412[10:Spt:3410.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3414[10:MRR:2690.0,3411.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3427[10:SpL:3414.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3430[10:Obv:3427.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3431[10:SSi:3430.0,3412.0] ||  -> .
% 1.83/2.03  3441[7:Spt:3431.0,285.0,3267.0] || cyclefreeP(sk2)* -> .
% 1.83/2.03  3442[7:Spt:3431.0,285.1] ||  -> leq(skaf50(sk2),skaf49(sk2))*.
% 1.83/2.03  3445[8:Spt:226.0] ||  -> totalorderP(sk2)*.
% 1.83/2.03  3447[9:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.03  3448[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3449[10:Res:440.2,3448.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3450[10:SSi:3449.0,2.0,2541.0,2720.0,3445.0,3447.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3451[10:MRR:3450.0,2557.0] ||  -> .
% 1.83/2.03  3452[10:Spt:3451.0,2611.0,3448.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3453[10:Spt:3451.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3455[10:MRR:2690.0,3452.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3468[10:SpL:3455.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3471[10:Obv:3468.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3472[10:SSi:3471.0,3453.0] ||  -> .
% 1.83/2.03  3482[9:Spt:3472.0,227.0,3447.0] || strictorderP(sk2)* -> .
% 1.83/2.03  3483[9:Spt:3472.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  3491[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3492[10:Res:440.2,3491.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3493[10:SSi:3492.0,2.0,2541.0,2720.0,3445.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3494[10:MRR:3493.0,2557.0] ||  -> .
% 1.83/2.03  3495[10:Spt:3494.0,2611.0,3491.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3496[10:Spt:3494.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3498[10:MRR:2690.0,3495.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3511[10:SpL:3498.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3514[10:Obv:3511.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3515[10:SSi:3514.0,3496.0] ||  -> .
% 1.83/2.03  3525[8:Spt:3515.0,226.0,3445.0] || totalorderP(sk2)* -> .
% 1.83/2.03  3526[8:Spt:3515.0,226.1] ||  -> equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.03  3534[9:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.03  3535[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3536[10:Res:440.2,3535.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3537[10:SSi:3536.0,2.0,2541.0,2720.0,3534.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3538[10:MRR:3537.0,2557.0] ||  -> .
% 1.83/2.03  3539[10:Spt:3538.0,2611.0,3535.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3540[10:Spt:3538.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3542[10:MRR:2690.0,3539.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3555[10:SpL:3542.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3558[10:Obv:3555.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3559[10:SSi:3558.0,3540.0] ||  -> .
% 1.83/2.03  3569[9:Spt:3559.0,227.0,3534.0] || strictorderP(sk2)* -> .
% 1.83/2.03  3570[9:Spt:3559.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  3578[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3579[10:Res:440.2,3578.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3580[10:SSi:3579.0,2.0,2541.0,2720.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3581[10:MRR:3580.0,2557.0] ||  -> .
% 1.83/2.03  3582[10:Spt:3581.0,2611.0,3578.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3583[10:Spt:3581.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3585[10:MRR:2690.0,3582.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3598[10:SpL:3585.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3601[10:Obv:3598.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3602[10:SSi:3601.0,3583.0] ||  -> .
% 1.83/2.03  3612[5:Spt:3602.0,229.0,2720.0] || strictorderedP(sk2)* -> .
% 1.83/2.03  3613[5:Spt:3602.0,229.1] ||  -> equal(app(app(skaf71(sk2),cons(skaf69(sk2),skaf72(sk2))),cons(skaf70(sk2),skaf73(sk2))),sk2)**.
% 1.83/2.03  3624[6:Spt:228.0] ||  -> totalorderedP(sk2)*.
% 1.83/2.03  3628[7:Spt:286.0] ||  -> cyclefreeP(sk2)*.
% 1.83/2.03  3634[8:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.03  3636[9:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3637[9:Res:440.2,3636.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3638[9:SSi:3637.0,2.0,2541.0,3624.0,3628.0,3634.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3639[9:MRR:3638.0,2557.0] ||  -> .
% 1.83/2.03  3640[9:Spt:3639.0,2611.0,3636.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3641[9:Spt:3639.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3643[9:MRR:2690.0,3640.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3657[9:SpL:3643.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3660[9:Obv:3657.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3661[9:SSi:3660.0,3641.0] ||  -> .
% 1.83/2.03  3671[8:Spt:3661.0,227.0,3634.0] || strictorderP(sk2)* -> .
% 1.83/2.03  3672[8:Spt:3661.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  3680[9:Spt:226.0] ||  -> totalorderP(sk2)*.
% 1.83/2.03  3681[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3682[10:Res:440.2,3681.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3683[10:SSi:3682.0,2.0,2541.0,3624.0,3628.0,3680.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3684[10:MRR:3683.0,2557.0] ||  -> .
% 1.83/2.03  3685[10:Spt:3684.0,2611.0,3681.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3686[10:Spt:3684.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3688[10:MRR:2690.0,3685.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3701[10:SpL:3688.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3704[10:Obv:3701.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3705[10:SSi:3704.0,3686.0] ||  -> .
% 1.83/2.03  3715[9:Spt:3705.0,226.0,3680.0] || totalorderP(sk2)* -> .
% 1.83/2.03  3716[9:Spt:3705.0,226.1] ||  -> equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.03  3724[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3725[10:Res:440.2,3724.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3726[10:SSi:3725.0,2.0,2541.0,3624.0,3628.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3727[10:MRR:3726.0,2557.0] ||  -> .
% 1.83/2.03  3728[10:Spt:3727.0,2611.0,3724.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3729[10:Spt:3727.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3731[10:MRR:2690.0,3728.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3744[10:SpL:3731.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3747[10:Obv:3744.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3748[10:SSi:3747.0,3729.0] ||  -> .
% 1.83/2.03  3758[7:Spt:3748.0,286.0,3628.0] || cyclefreeP(sk2)* -> .
% 1.83/2.03  3759[7:Spt:3748.0,286.1] ||  -> leq(skaf49(sk2),skaf50(sk2))*.
% 1.83/2.03  3762[8:Spt:226.0] ||  -> totalorderP(sk2)*.
% 1.83/2.03  3763[9:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.03  3765[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3766[10:Res:440.2,3765.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3767[10:SSi:3766.0,2.0,2541.0,3624.0,3762.0,3763.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3768[10:MRR:3767.0,2557.0] ||  -> .
% 1.83/2.03  3769[10:Spt:3768.0,2611.0,3765.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3770[10:Spt:3768.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3772[10:MRR:2690.0,3769.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3785[10:SpL:3772.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3788[10:Obv:3785.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3789[10:SSi:3788.0,3770.0] ||  -> .
% 1.83/2.03  3799[9:Spt:3789.0,227.0,3763.0] || strictorderP(sk2)* -> .
% 1.83/2.03  3800[9:Spt:3789.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  3808[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3809[10:Res:440.2,3808.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3810[10:SSi:3809.0,2.0,2541.0,3624.0,3762.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3811[10:MRR:3810.0,2557.0] ||  -> .
% 1.83/2.03  3812[10:Spt:3811.0,2611.0,3808.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3813[10:Spt:3811.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3815[10:MRR:2690.0,3812.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3828[10:SpL:3815.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3831[10:Obv:3828.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3832[10:SSi:3831.0,3813.0] ||  -> .
% 1.83/2.03  3842[8:Spt:3832.0,226.0,3762.0] || totalorderP(sk2)* -> .
% 1.83/2.03  3843[8:Spt:3832.0,226.1] ||  -> equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.03  3851[9:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.03  3853[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3854[10:Res:440.2,3853.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3855[10:SSi:3854.0,2.0,2541.0,3624.0,3851.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3856[10:MRR:3855.0,2557.0] ||  -> .
% 1.83/2.03  3857[10:Spt:3856.0,2611.0,3853.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3858[10:Spt:3856.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3860[10:MRR:2690.0,3857.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3873[10:SpL:3860.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3876[10:Obv:3873.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3877[10:SSi:3876.0,3858.0] ||  -> .
% 1.83/2.03  3887[9:Spt:3877.0,227.0,3851.0] || strictorderP(sk2)* -> .
% 1.83/2.03  3888[9:Spt:3877.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  3896[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3897[10:Res:440.2,3896.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3898[10:SSi:3897.0,2.0,2541.0,3624.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3899[10:MRR:3898.0,2557.0] ||  -> .
% 1.83/2.03  3900[10:Spt:3899.0,2611.0,3896.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3901[10:Spt:3899.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3903[10:MRR:2690.0,3900.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3916[10:SpL:3903.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3919[10:Obv:3916.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3920[10:SSi:3919.0,3901.0] ||  -> .
% 1.83/2.03  3930[6:Spt:3920.0,228.0,3624.0] || totalorderedP(sk2)* -> .
% 1.83/2.03  3931[6:Spt:3920.0,228.1] ||  -> equal(app(app(skaf66(sk2),cons(skaf64(sk2),skaf67(sk2))),cons(skaf65(sk2),skaf68(sk2))),sk2)**.
% 1.83/2.03  3940[7:Spt:285.0] ||  -> cyclefreeP(sk2)*.
% 1.83/2.03  3942[8:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.03  3944[9:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3945[9:Res:440.2,3944.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3946[9:SSi:3945.0,2.0,2541.0,3940.0,3942.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3947[9:MRR:3946.0,2557.0] ||  -> .
% 1.83/2.03  3948[9:Spt:3947.0,2611.0,3944.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3949[9:Spt:3947.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3951[9:MRR:2690.0,3948.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  3966[9:SpL:3951.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  3969[9:Obv:3966.1] ssItem(sk5) ||  -> .
% 1.83/2.03  3970[9:SSi:3969.0,3949.0] ||  -> .
% 1.83/2.03  3980[8:Spt:3970.0,227.0,3942.0] || strictorderP(sk2)* -> .
% 1.83/2.03  3981[8:Spt:3970.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.03  3989[9:Spt:226.0] ||  -> totalorderP(sk2)*.
% 1.83/2.03  3991[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  3992[10:Res:440.2,3991.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3993[10:SSi:3992.0,2.0,2541.0,3940.0,3989.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  3994[10:MRR:3993.0,2557.0] ||  -> .
% 1.83/2.03  3995[10:Spt:3994.0,2611.0,3991.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  3996[10:Spt:3994.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  3998[10:MRR:2690.0,3995.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  4011[10:SpL:3998.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.03  4014[10:Obv:4011.1] ssItem(sk5) ||  -> .
% 1.83/2.03  4015[10:SSi:4014.0,3996.0] ||  -> .
% 1.83/2.03  4025[9:Spt:4015.0,226.0,3989.0] || totalorderP(sk2)* -> .
% 1.83/2.03  4026[9:Spt:4015.0,226.1] ||  -> equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.03  4034[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.03  4035[10:Res:440.2,4034.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.03  4036[10:SSi:4035.0,2.0,2541.0,3940.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.03  4037[10:MRR:4036.0,2557.0] ||  -> .
% 1.83/2.03  4038[10:Spt:4037.0,2611.0,4034.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.03  4039[10:Spt:4037.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.03  4041[10:MRR:2690.0,4038.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.03  4054[10:SpL:4041.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.06  4057[10:Obv:4054.1] ssItem(sk5) ||  -> .
% 1.83/2.06  4058[10:SSi:4057.0,4039.0] ||  -> .
% 1.83/2.06  4068[7:Spt:4058.0,285.0,3940.0] || cyclefreeP(sk2)* -> .
% 1.83/2.06  4069[7:Spt:4058.0,285.1] ||  -> leq(skaf50(sk2),skaf49(sk2))*.
% 1.83/2.06  4072[8:Spt:226.0] ||  -> totalorderP(sk2)*.
% 1.83/2.06  4074[9:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.06  4076[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.06  4077[10:Res:440.2,4076.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.06  4078[10:SSi:4077.0,2.0,2541.0,4072.0,4074.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.06  4079[10:MRR:4078.0,2557.0] ||  -> .
% 1.83/2.06  4080[10:Spt:4079.0,2611.0,4076.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.06  4081[10:Spt:4079.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.06  4083[10:MRR:2690.0,4080.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.06  4096[10:SpL:4083.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.06  4099[10:Obv:4096.1] ssItem(sk5) ||  -> .
% 1.83/2.06  4100[10:SSi:4099.0,4081.0] ||  -> .
% 1.83/2.06  4110[9:Spt:4100.0,227.0,4074.0] || strictorderP(sk2)* -> .
% 1.83/2.06  4111[9:Spt:4100.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.06  4119[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.06  4120[10:Res:440.2,4119.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.06  4121[10:SSi:4120.0,2.0,2541.0,4072.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.06  4122[10:MRR:4121.0,2557.0] ||  -> .
% 1.83/2.06  4123[10:Spt:4122.0,2611.0,4119.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.06  4124[10:Spt:4122.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.06  4126[10:MRR:2690.0,4123.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.06  4139[10:SpL:4126.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.06  4142[10:Obv:4139.1] ssItem(sk5) ||  -> .
% 1.83/2.06  4143[10:SSi:4142.0,4124.0] ||  -> .
% 1.83/2.06  4153[8:Spt:4143.0,226.0,4072.0] || totalorderP(sk2)* -> .
% 1.83/2.06  4154[8:Spt:4143.0,226.1] ||  -> equal(app(app(skaf56(sk2),cons(skaf54(sk2),skaf57(sk2))),cons(skaf55(sk2),skaf58(sk2))),sk2)**.
% 1.83/2.06  4162[9:Spt:227.0] ||  -> strictorderP(sk2)*.
% 1.83/2.06  4164[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.06  4165[10:Res:440.2,4164.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.06  4166[10:SSi:4165.0,2.0,2541.0,4162.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.06  4167[10:MRR:4166.0,2557.0] ||  -> .
% 1.83/2.06  4168[10:Spt:4167.0,2611.0,4164.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.06  4169[10:Spt:4167.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.06  4171[10:MRR:2690.0,4168.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.06  4184[10:SpL:4171.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.06  4187[10:Obv:4184.1] ssItem(sk5) ||  -> .
% 1.83/2.06  4188[10:SSi:4187.0,4169.0] ||  -> .
% 1.83/2.06  4198[9:Spt:4188.0,227.0,4162.0] || strictorderP(sk2)* -> .
% 1.83/2.06  4199[9:Spt:4188.0,227.1] ||  -> equal(app(app(skaf61(sk2),cons(skaf59(sk2),skaf62(sk2))),cons(skaf60(sk2),skaf63(sk2))),sk2)**.
% 1.83/2.06  4207[10:Spt:2611.0] || neq(sk2,sk1)* -> .
% 1.83/2.06  4208[10:Res:440.2,4207.0] ssList(sk2) ||  -> equal(sk2,sk1)**.
% 1.83/2.06  4209[10:SSi:4208.0,2.0,2541.0] ||  -> equal(sk2,sk1)**.
% 1.83/2.06  4210[10:MRR:4209.0,2557.0] ||  -> .
% 1.83/2.06  4211[10:Spt:4210.0,2611.0,4207.0] ||  -> neq(sk2,sk1)*.
% 1.83/2.06  4212[10:Spt:4210.0,2611.1] ||  -> ssItem(sk5)*.
% 1.83/2.06  4214[10:MRR:2690.0,4211.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.83/2.06  4227[10:SpL:4214.0,515.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.83/2.06  4230[10:Obv:4227.1] ssItem(sk5) ||  -> .
% 1.83/2.06  4231[10:SSi:4230.0,4212.0] ||  -> .
% 1.83/2.06  4241[4:Spt:4231.0,477.5,2542.0] || equal(nil,sk1)** -> .
% 1.83/2.06  4242[4:Spt:4231.0,477.0,477.1,477.2,477.3,477.4] ssList(u) || equal(hd(u),hd(sk1))* equal(tl(u),tl(sk1)) -> equal(u,sk1) equal(nil,u).
% 1.83/2.06  4290[5:Spt:200.0] || neq(sk2,nil)* -> .
% 1.83/2.06  4332[5:Res:345.2,4290.0] ssList(nil) ||  -> equal(nil,sk2)**.
% 1.83/2.06  4333[5:SSi:4332.0,20.0,19.0,18.0,17.0,16.0,15.0,14.0,13.0] ||  -> equal(nil,sk2)**.
% 1.83/2.06  4334[5:MRR:4333.0,204.0] ||  -> .
% 1.83/2.06  4335[5:Spt:4334.0,200.0,4290.0] ||  -> neq(sk2,nil)*.
% 1.83/2.06  4336[5:Spt:4334.0,200.1] ||  -> ssItem(sk5)*.
% 1.83/2.06  4337[5:MRR:201.0,4335.0] ||  -> memberP(sk2,sk5)*.
% 1.83/2.06  4338[5:MRR:205.0,4335.0] ||  -> equal(cons(sk5,nil),sk1)**.
% 1.83/2.06  4630[5:SpL:4338.0,7.2] ssItem(sk5) || memberP(sk2,sk5)* equal(sk1,sk1) -> .
% 1.83/2.06  4632[5:Obv:4630.2] ssItem(sk5) || memberP(sk2,sk5)* -> .
% 1.83/2.06  4633[5:SSi:4632.0,4336.0] || memberP(sk2,sk5)* -> .
% 1.83/2.06  4634[5:MRR:4633.0,4337.0] ||  -> .
% 1.83/2.06  % SZS output end Refutation
% 1.83/2.06  Formulae used in the proof : co1_1 co1_2 co1_5 co1_6 co1_7 co1_8 co1_9 co1_10 co1_11 co1_12 clause1 clause2 clause3 clause4 clause5 clause6 clause7 clause8 clause72 clause87 clause88 clause99 clause100 clause102 clause163 clause164 clause165 clause166 clause177
% 1.83/2.06  
%------------------------------------------------------------------------------