%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : PLA005-2 : TPTP v8.1.0. Released v1.1.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %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 : 300s % DateTime : Wed Jul 27 13:10:44 EDT 2022 % Result : Unknown 160.00s 160.16s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.07/0.12 % Problem : PLA005-2 : TPTP v8.1.0. Released v1.1.0. % 0.07/0.12 % Command : otter-tptp-script %s % 0.12/0.33 % Computer : n022.cluster.edu % 0.12/0.33 % Model : x86_64 x86_64 % 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.12/0.33 % Memory : 8042.1875MB % 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64 % 0.12/0.33 % CPULimit : 300 % 0.12/0.33 % WCLimit : 300 % 0.12/0.33 % DateTime : Wed Jul 27 02:28:20 EDT 2022 % 0.12/0.33 % CPUTime : % 1.72/1.91 ----- Otter 3.3f, August 2004 ----- % 1.72/1.91 The process was started by sandbox on n022.cluster.edu, % 1.72/1.91 Wed Jul 27 02:28:20 2022 % 1.72/1.91 The command was "./otter". The process ID is 15779. % 1.72/1.91 % 1.72/1.91 set(prolog_style_variables). % 1.72/1.91 set(auto). % 1.72/1.91 dependent: set(auto1). % 1.72/1.91 dependent: set(process_input). % 1.72/1.91 dependent: clear(print_kept). % 1.72/1.91 dependent: clear(print_new_demod). % 1.72/1.91 dependent: clear(print_back_demod). % 1.72/1.91 dependent: clear(print_back_sub). % 1.72/1.91 dependent: set(control_memory). % 1.72/1.91 dependent: assign(max_mem, 12000). % 1.72/1.91 dependent: assign(pick_given_ratio, 4). % 1.72/1.91 dependent: assign(stats_level, 1). % 1.72/1.91 dependent: assign(max_seconds, 10800). % 1.72/1.91 clear(print_given). % 1.72/1.91 % 1.72/1.91 list(usable). % 1.72/1.91 0 [] holds(and(X,Y),State)| -holds(X,State)| -holds(Y,State). % 1.72/1.91 0 [] holds(holding(X),do(pickup(X),State))| -holds(empty,State)| -holds(clear(X),State)| -differ(X,table). % 1.72/1.91 0 [] holds(clear(Y),do(pickup(X),State))| -holds(on(X,Y),State)| -holds(clear(X),State)| -holds(empty,State). % 1.72/1.91 0 [] holds(on(X,Y),do(pickup(Z),State))| -holds(on(X,Y),State)| -differ(X,Z). % 1.72/1.91 0 [] holds(clear(X),do(pickup(Z),State))| -holds(clear(X),State)| -differ(X,Z). % 1.72/1.91 0 [] holds(empty,do(putdown(X,Y),State))| -holds(holding(X),State)| -holds(clear(Y),State). % 1.72/1.91 0 [] holds(on(X,Y),do(putdown(X,Y),State))| -holds(holding(X),State)| -holds(clear(Y),State). % 1.72/1.91 0 [] holds(clear(X),do(putdown(X,Y),State))| -holds(holding(X),State)| -holds(clear(Y),State). % 1.72/1.91 0 [] holds(on(X,Y),do(putdown(Z,W),State))| -holds(on(X,Y),State). % 1.72/1.91 0 [] holds(clear(Z),do(putdown(X,Y),State))| -holds(clear(Z),State)| -differ(Z,Y). % 1.72/1.91 0 [] differ(X,Y)| -differ(Y,X). % 1.72/1.91 0 [] differ(a,b). % 1.72/1.91 0 [] differ(a,c). % 1.72/1.91 0 [] differ(a,d). % 1.72/1.91 0 [] differ(a,table). % 1.72/1.91 0 [] differ(b,c). % 1.72/1.91 0 [] differ(b,d). % 1.72/1.91 0 [] differ(b,table). % 1.72/1.91 0 [] differ(c,d). % 1.72/1.91 0 [] differ(c,table). % 1.72/1.91 0 [] differ(d,table). % 1.72/1.91 0 [] holds(on(a,table),s0). % 1.72/1.91 0 [] holds(on(b,table),s0). % 1.72/1.91 0 [] holds(on(c,d),s0). % 1.72/1.91 0 [] holds(on(d,table),s0). % 1.72/1.91 0 [] holds(clear(a),s0). % 1.72/1.91 0 [] holds(clear(b),s0). % 1.72/1.91 0 [] holds(clear(c),s0). % 1.72/1.91 0 [] holds(empty,s0). % 1.72/1.91 0 [] holds(clear(table),State). % 1.72/1.91 0 [] -holds(and(on(d,b),on(c,a)),State). % 1.72/1.91 end_of_list. % 1.72/1.91 % 1.72/1.91 SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=4. % 1.72/1.91 % 1.72/1.91 This is a Horn set without equality. The strategy will % 1.72/1.91 be hyperresolution, with satellites in sos and nuclei % 1.72/1.91 in usable. % 1.72/1.91 % 1.72/1.91 dependent: set(hyper_res). % 1.72/1.91 dependent: clear(order_hyper). % 1.72/1.91 % 1.72/1.91 ------------> process usable: % 1.72/1.91 ** KEPT (pick-wt=11): 1 [] holds(and(A,B),C)| -holds(A,C)| -holds(B,C). % 1.72/1.91 ** KEPT (pick-wt=17): 2 [] holds(holding(A),do(pickup(A),B))| -holds(empty,B)| -holds(clear(A),B)| -differ(A,table). % 1.72/1.91 ** KEPT (pick-wt=19): 3 [] holds(clear(A),do(pickup(B),C))| -holds(on(B,A),C)| -holds(clear(B),C)| -holds(empty,C). % 1.72/1.91 ** KEPT (pick-wt=16): 4 [] holds(on(A,B),do(pickup(C),D))| -holds(on(A,B),D)| -differ(A,C). % 1.72/1.91 ** KEPT (pick-wt=14): 5 [] holds(clear(A),do(pickup(B),C))| -holds(clear(A),C)| -differ(A,B). % 1.72/1.91 ** KEPT (pick-wt=15): 6 [] holds(empty,do(putdown(A,B),C))| -holds(holding(A),C)| -holds(clear(B),C). % 1.72/1.91 ** KEPT (pick-wt=17): 7 [] holds(on(A,B),do(putdown(A,B),C))| -holds(holding(A),C)| -holds(clear(B),C). % 1.72/1.91 ** KEPT (pick-wt=16): 8 [] holds(clear(A),do(putdown(A,B),C))| -holds(holding(A),C)| -holds(clear(B),C). % 1.72/1.91 ** KEPT (pick-wt=14): 9 [] holds(on(A,B),do(putdown(C,D),E))| -holds(on(A,B),E). % 1.72/1.91 ** KEPT (pick-wt=15): 10 [] holds(clear(A),do(putdown(B,C),D))| -holds(clear(A),D)| -differ(A,C). % 1.72/1.91 ** KEPT (pick-wt=6): 11 [] differ(A,B)| -differ(B,A). % 1.72/1.91 ** KEPT (pick-wt=9): 12 [] -holds(and(on(d,b),on(c,a)),A). % 1.72/1.91 % 1.72/1.91 ------------> process sos: % 1.72/1.91 ** KEPT (pick-wt=3): 13 [] differ(a,b). % 1.72/1.91 ** KEPT (pick-wt=3): 14 [] differ(a,c). % 1.72/1.91 ** KEPT (pick-wt=3): 15 [] differ(a,d). % 1.72/1.91 ** KEPT (pick-wt=3): 16 [] differ(a,table). % 1.72/1.91 ** KEPT (pick-wt=3): 17 [] differ(b,c). % 1.72/1.91 ** KEPT (pick-wt=3): 18 [] differ(b,d). % 1.72/1.91 ** KEPT (pick-wt=3): 19 [] differ(b,table). % 1.72/1.91 ** KEPT (pick-wt=3): 20 [] differ(c,d). % 1.72/1.91 ** KEPT (pick-wt=3): 21 [] differ(c,table). % 1.72/1.91 ** KEPT (pick-wt=3): 22 [] differ(d,table). % 1.72/1.91 ** KEPT (pick-wt=5): 23 [] holds(on(a,table),s0). % 1.72/1.91 ** KEPT (pick-wt=5): 24 [] holds(on(b,table),s0). % 1.72/1.91 ** KEPT (pick-wt=5): 25 [] holds(on(c,d),s0). % 1.72/1.91 ** KEPT (pick-wt=5): 26 [] holds(on(d,table),s0). % 1.72/1.91 ** KEPT (pick-wt=4): 27 [] holds(clear(a),s0). % 159.97/160.16 ** KEPT (pick-wt=4): 28 [] holds(clear(b),s0). % 159.97/160.16 ** KEPT (pick-wt=4): 29 [] holds(clear(c),s0). % 159.97/160.16 ** KEPT (pick-wt=3): 30 [] holds(empty,s0). % 159.97/160.16 ** KEPT (pick-wt=4): 31 [] holds(clear(table),A). % 159.97/160.16 % 159.97/160.16 ======= end of input processing ======= % 159.97/160.16 % 159.97/160.16 =========== start of search =========== % 159.97/160.16 % 159.97/160.16 % 159.97/160.16 Resetting weight limit to 10. % 159.97/160.16 % 159.97/160.16 % 159.97/160.16 Resetting weight limit to 10. % 159.97/160.16 % 159.97/160.16 sos_size=10580 % 159.97/160.16 % 159.97/160.16 Search stopped because sos empty. % 159.97/160.16 % 159.97/160.16 % 159.97/160.16 Search stopped because sos empty. % 159.97/160.16 % 159.97/160.16 ============ end of search ============ % 159.97/160.16 % 159.97/160.16 -------------- statistics ------------- % 159.97/160.16 clauses given 10782 % 159.97/160.16 clauses generated 96978560 % 159.97/160.16 clauses kept 10794 % 159.97/160.16 clauses forward subsumed 167 % 159.97/160.16 clauses back subsumed 0 % 159.97/160.16 Kbytes malloced 5859 % 159.97/160.16 % 159.97/160.16 ----------- times (seconds) ----------- % 159.97/160.16 user CPU time 158.22 (0 hr, 2 min, 38 sec) % 159.97/160.16 system CPU time 0.02 (0 hr, 0 min, 0 sec) % 159.97/160.16 wall-clock time 160 (0 hr, 2 min, 40 sec) % 159.97/160.16 % 159.97/160.16 Process 15779 finished Wed Jul 27 02:31:00 2022 % 160.00/160.16 Otter interrupted % 160.00/160.16 PROOF NOT FOUND %------------------------------------------------------------------------------