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Etableau---0.67.UNS-Ass.s

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%------------------------------------------------------------------------------
% File     : Etableau---0.67
% Problem  : SWX186-1 : TPTP v9.3.0. Released v9.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : etableau --auto --tsmdo --quicksat=10000 --tableau=1 --tableau-saturation=1 -s -p --tableau-cores=8 --cpu-limit=%d %s

% Computer : n012.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 : Tue May  5 07:00:41 PM UTC 2026

% Result   : Unsatisfiable 0.06s 0.26s
% Output   : Assurance 0s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.06  % Problem  : SWX186-1 : TPTP v9.3.0. Released v9.3.0.
% 0.00/0.06  % Command  : etableau --auto --tsmdo --quicksat=10000 --tableau=1 --tableau-saturation=1 -s -p --tableau-cores=8 --cpu-limit=%d %s
% 0.06/0.24  % Computer : n012.cluster.edu
% 0.06/0.24  % Model    : x86_64 x86_64
% 0.06/0.24  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.06/0.24  % Memory   : 8042.1875MB
% 0.06/0.24  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.06/0.24  % CPULimit : 300
% 0.06/0.24  % WCLimit  : 300
% 0.06/0.24  % DateTime : Tue May  5 09:38:30 EDT 2026
% 0.06/0.24  % CPUTime  : 
% 0.06/0.26  # No SInE strategy applied
% 0.06/0.26  # Auto-Mode selected heuristic G_E___208_C18_F1_SE_CS_SP_PS_S5PRR_RG_S04AN
% 0.06/0.26  # and selection function SelectComplexExceptUniqMaxHorn.
% 0.06/0.26  #
% 0.06/0.26  # Presaturation interreduction done
% 0.06/0.26  # Number of axioms: 18 Number of unprocessed: 18
% 0.06/0.26  # Tableaux proof search.
% 0.06/0.26  # APR header successfully linked.
% 0.06/0.26  # Hello from C++
% 0.06/0.26  # The folding up rule is enabled...
% 0.06/0.26  # Local unification is enabled...
% 0.06/0.26  # Any saturation attempts will use folding labels...
% 0.06/0.26  # 18 beginning clauses after preprocessing and clausification
% 0.06/0.26  # Creating start rules for all 1 conjectures.
% 0.06/0.26  # There are 1 start rule candidates:
% 0.06/0.26  # Found 16 unit axioms.
% 0.06/0.26  # 1 start rule tableaux created.
% 0.06/0.26  # 2 extension rule candidate clauses
% 0.06/0.26  # 16 unit axiom clauses
% 0.06/0.26  
% 0.06/0.26  # Requested 8, 32 cores available to the main process.
% 0.06/0.26  # There are not enough tableaux to fork, creating more from the initial 1
% 0.06/0.26  # Creating equality axioms
% 0.06/0.26  # Ran out of tableaux, making start rules for all clauses
% 0.06/0.26  # Returning from population with 33 new_tableaux and 0 remaining starting tableaux.
% 0.06/0.26  # We now have 33 tableaux to operate on
% 0.06/0.26  # There were 1 total branch saturation attempts.
% 0.06/0.26  # There were 0 of these attempts blocked.
% 0.06/0.26  # There were 0 deferred branch saturation attempts.
% 0.06/0.26  # There were 0 free duplicated saturations.
% 0.06/0.26  # There were 1 total successful branch saturations.
% 0.06/0.26  # There were 0 successful branch saturations in interreduction.
% 0.06/0.26  # There were 0 successful branch saturations on the branch.
% 0.06/0.26  # There were 1 successful branch saturations after the branch.
% 0.06/0.26  # SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # SZS output start for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # Begin clausification derivation
% 0.06/0.26  
% 0.06/0.26  # End clausification derivation
% 0.06/0.26  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse)).
% 0.06/0.26  cnf(i_0_26, plain, (eq3(bfalse,btrue)=bfalse)).
% 0.06/0.26  cnf(i_0_21, plain, (impl(bfalse,X1)=btrue)).
% 0.06/0.26  cnf(i_0_20, plain, (impl(btrue,X1)=X1)).
% 0.06/0.26  cnf(i_0_31, plain, (eq(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_24, plain, (drop(z,X1)=X1)).
% 0.06/0.26  cnf(i_0_33, plain, (eq3(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_32, plain, (eq2(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_30, plain, (eq2(z,s(X1))=bfalse)).
% 0.06/0.26  cnf(i_0_22, plain, (drop(s(X1),nil)=nil)).
% 0.06/0.26  cnf(i_0_29, plain, (eq2(s(X1),z)=bfalse)).
% 0.06/0.26  cnf(i_0_36, plain, (eq(nil,cons(X1,X2))=bfalse)).
% 0.06/0.26  cnf(i_0_37, plain, (eq(cons(X1,X2),nil)=bfalse)).
% 0.06/0.26  cnf(i_0_23, plain, (drop(s(X1),cons(X2,X3))=drop(X1,X3))).
% 0.06/0.26  cnf(i_0_28, plain, (eq2(s(X1),s(X2))=eq2(X1,X2))).
% 0.06/0.26  cnf(i_0_38, negated_conjecture, (eq3(impl(eq(drop(X1,X2),drop(X1,X3)),eq(X2,X3)),bfalse)!=btrue)).
% 0.06/0.26  cnf(i_0_34, plain, (eq(cons(X1,X2),cons(X3,X4))=bfalse|eq2(X1,X3)!=bfalse)).
% 0.06/0.26  cnf(i_0_35, plain, (eq(cons(X1,X2),cons(X3,X4))=eq(X2,X4)|eq2(X1,X3)!=btrue)).
% 0.06/0.26  cnf(i_0_44, plain, (X5=X5)).
% 0.06/0.26  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.06/0.26  # Begin printing tableau
% 0.06/0.26  # Found 6 steps
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse), inference(start_rule)).
% 0.06/0.26  cnf(i_0_55, plain, (eq3(btrue,bfalse)=bfalse), inference(extension_rule, [i_0_54])).
% 0.06/0.26  cnf(i_0_105, plain, (eq3(btrue,bfalse)!=bfalse), inference(closure_rule, [i_0_27])).
% 0.06/0.26  cnf(i_0_104, plain, (eq2(eq3(btrue,bfalse),eq3(btrue,bfalse))=eq2(bfalse,bfalse)), inference(extension_rule, [i_0_47])).
% 0.06/0.26  cnf(i_0_117, plain, (eq2(bfalse,bfalse)!=impl(btrue,eq2(bfalse,bfalse))), inference(closure_rule, [i_0_20])).
% 0.06/0.26  cnf(i_0_115, plain, (eq2(eq3(btrue,bfalse),eq3(btrue,bfalse))=impl(btrue,eq2(bfalse,bfalse))), inference(etableau_closure_rule, [i_0_115, ...])).
% 0.06/0.26  # End printing tableau
% 0.06/0.26  # SZS output end
% 0.06/0.26  # Branches closed with saturation will be marked with an "s"
% 0.06/0.26  # There were 1 total branch saturation attempts.
% 0.06/0.26  # There were 0 of these attempts blocked.
% 0.06/0.26  # There were 0 deferred branch saturation attempts.
% 0.06/0.26  # There were 0 free duplicated saturations.
% 0.06/0.26  # There were 1 total successful branch saturations.
% 0.06/0.26  # There were 0 successful branch saturations in interreduction.
% 0.06/0.26  # There were 0 successful branch saturations on the branch.
% 0.06/0.26  # There were 1 successful branch saturations after the branch.
% 0.06/0.26  # SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # SZS output start for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # Begin clausification derivation
% 0.06/0.26  
% 0.06/0.26  # End clausification derivation
% 0.06/0.26  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse)).
% 0.06/0.26  cnf(i_0_26, plain, (eq3(bfalse,btrue)=bfalse)).
% 0.06/0.26  cnf(i_0_21, plain, (impl(bfalse,X1)=btrue)).
% 0.06/0.26  cnf(i_0_20, plain, (impl(btrue,X1)=X1)).
% 0.06/0.26  cnf(i_0_31, plain, (eq(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_24, plain, (drop(z,X1)=X1)).
% 0.06/0.26  cnf(i_0_33, plain, (eq3(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_32, plain, (eq2(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_30, plain, (eq2(z,s(X1))=bfalse)).
% 0.06/0.26  cnf(i_0_22, plain, (drop(s(X1),nil)=nil)).
% 0.06/0.26  cnf(i_0_29, plain, (eq2(s(X1),z)=bfalse)).
% 0.06/0.26  cnf(i_0_36, plain, (eq(nil,cons(X1,X2))=bfalse)).
% 0.06/0.26  cnf(i_0_37, plain, (eq(cons(X1,X2),nil)=bfalse)).
% 0.06/0.26  cnf(i_0_23, plain, (drop(s(X1),cons(X2,X3))=drop(X1,X3))).
% 0.06/0.26  cnf(i_0_28, plain, (eq2(s(X1),s(X2))=eq2(X1,X2))).
% 0.06/0.26  cnf(i_0_38, negated_conjecture, (eq3(impl(eq(drop(X1,X2),drop(X1,X3)),eq(X2,X3)),bfalse)!=btrue)).
% 0.06/0.26  cnf(i_0_34, plain, (eq(cons(X1,X2),cons(X3,X4))=bfalse|eq2(X1,X3)!=bfalse)).
% 0.06/0.26  cnf(i_0_35, plain, (eq(cons(X1,X2),cons(X3,X4))=eq(X2,X4)|eq2(X1,X3)!=btrue)).
% 0.06/0.26  cnf(i_0_44, plain, (X5=X5)).
% 0.06/0.26  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.06/0.26  # Begin printing tableau
% 0.06/0.26  # Found 6 steps
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse), inference(start_rule)).
% 0.06/0.26  cnf(i_0_55, plain, (eq3(btrue,bfalse)=bfalse), inference(extension_rule, [i_0_54])).
% 0.06/0.26  cnf(i_0_106, plain, (eq3(btrue,bfalse)!=bfalse), inference(closure_rule, [i_0_27])).
% 0.06/0.26  cnf(i_0_104, plain, (eq2(eq3(btrue,bfalse),eq3(btrue,bfalse))=eq2(bfalse,bfalse)), inference(extension_rule, [i_0_47])).
% 0.06/0.26  cnf(i_0_117, plain, (eq2(bfalse,bfalse)!=impl(btrue,eq2(bfalse,bfalse))), inference(closure_rule, [i_0_20])).
% 0.06/0.26  cnf(i_0_115, plain, (eq2(eq3(btrue,bfalse),eq3(btrue,bfalse))=impl(btrue,eq2(bfalse,bfalse))), inference(etableau_closure_rule, [i_0_115, ...])).
% 0.06/0.26  # End printing tableau
% 0.06/0.26  # SZS output end
% 0.06/0.26  # Branches closed with saturation will be marked with an "s"
% 0.06/0.26  # There were 1 total branch saturation attempts.
% 0.06/0.26  # There were 0 of these attempts blocked.
% 0.06/0.26  # There were 0 deferred branch saturation attempts.
% 0.06/0.26  # There were 0 free duplicated saturations.
% 0.06/0.26  # There were 1 total successful branch saturations.
% 0.06/0.26  # There were 0 successful branch saturations in interreduction.
% 0.06/0.26  # There were 0 successful branch saturations on the branch.
% 0.06/0.26  # There were 1 successful branch saturations after the branch.
% 0.06/0.26  # SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # SZS output start for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # Begin clausification derivation
% 0.06/0.26  
% 0.06/0.26  # End clausification derivation
% 0.06/0.26  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse)).
% 0.06/0.26  cnf(i_0_26, plain, (eq3(bfalse,btrue)=bfalse)).
% 0.06/0.26  cnf(i_0_21, plain, (impl(bfalse,X1)=btrue)).
% 0.06/0.26  cnf(i_0_20, plain, (impl(btrue,X1)=X1)).
% 0.06/0.26  cnf(i_0_31, plain, (eq(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_24, plain, (drop(z,X1)=X1)).
% 0.06/0.26  cnf(i_0_33, plain, (eq3(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_32, plain, (eq2(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_30, plain, (eq2(z,s(X1))=bfalse)).
% 0.06/0.26  cnf(i_0_22, plain, (drop(s(X1),nil)=nil)).
% 0.06/0.26  cnf(i_0_29, plain, (eq2(s(X1),z)=bfalse)).
% 0.06/0.26  cnf(i_0_36, plain, (eq(nil,cons(X1,X2))=bfalse)).
% 0.06/0.26  cnf(i_0_37, plain, (eq(cons(X1,X2),nil)=bfalse)).
% 0.06/0.26  cnf(i_0_23, plain, (drop(s(X1),cons(X2,X3))=drop(X1,X3))).
% 0.06/0.26  cnf(i_0_28, plain, (eq2(s(X1),s(X2))=eq2(X1,X2))).
% 0.06/0.26  cnf(i_0_38, negated_conjecture, (eq3(impl(eq(drop(X1,X2),drop(X1,X3)),eq(X2,X3)),bfalse)!=btrue)).
% 0.06/0.26  cnf(i_0_34, plain, (eq(cons(X1,X2),cons(X3,X4))=bfalse|eq2(X1,X3)!=bfalse)).
% 0.06/0.26  cnf(i_0_35, plain, (eq(cons(X1,X2),cons(X3,X4))=eq(X2,X4)|eq2(X1,X3)!=btrue)).
% 0.06/0.26  cnf(i_0_44, plain, (X5=X5)).
% 0.06/0.26  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.06/0.26  # Begin printing tableau
% 0.06/0.26  # Found 6 steps
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse), inference(start_rule)).
% 0.06/0.26  cnf(i_0_55, plain, (eq3(btrue,bfalse)=bfalse), inference(extension_rule, [i_0_53])).
% 0.06/0.26  cnf(i_0_102, plain, (eq3(btrue,bfalse)!=bfalse), inference(closure_rule, [i_0_27])).
% 0.06/0.26  cnf(i_0_101, plain, (eq3(eq3(btrue,bfalse),eq3(btrue,bfalse))=eq3(bfalse,bfalse)), inference(extension_rule, [i_0_47])).
% 0.06/0.26  cnf(i_0_117, plain, (eq3(bfalse,bfalse)!=impl(btrue,eq3(bfalse,bfalse))), inference(closure_rule, [i_0_20])).
% 0.06/0.26  cnf(i_0_115, plain, (eq3(eq3(btrue,bfalse),eq3(btrue,bfalse))=impl(btrue,eq3(bfalse,bfalse))), inference(etableau_closure_rule, [i_0_115, ...])).
% 0.06/0.26  # End printing tableau
% 0.06/0.26  # SZS output end
% 0.06/0.26  # Branches closed with saturation will be marked with an "s"
% 0.06/0.26  # There were 1 total branch saturation attempts.
% 0.06/0.26  # There were 0 of these attempts blocked.
% 0.06/0.26  # There were 0 deferred branch saturation attempts.
% 0.06/0.26  # There were 0 free duplicated saturations.
% 0.06/0.26  # There were 1 total successful branch saturations.
% 0.06/0.26  # There were 0 successful branch saturations in interreduction.
% 0.06/0.26  # There were 0 successful branch saturations on the branch.
% 0.06/0.26  # There were 1 successful branch saturations after the branch.
% 0.06/0.26  # SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # SZS output start for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # Begin clausification derivation
% 0.06/0.26  
% 0.06/0.26  # End clausification derivation
% 0.06/0.26  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse)).
% 0.06/0.26  cnf(i_0_26, plain, (eq3(bfalse,btrue)=bfalse)).
% 0.06/0.26  cnf(i_0_21, plain, (impl(bfalse,X1)=btrue)).
% 0.06/0.26  cnf(i_0_20, plain, (impl(btrue,X1)=X1)).
% 0.06/0.26  cnf(i_0_31, plain, (eq(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_24, plain, (drop(z,X1)=X1)).
% 0.06/0.26  cnf(i_0_33, plain, (eq3(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_32, plain, (eq2(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_30, plain, (eq2(z,s(X1))=bfalse)).
% 0.06/0.26  cnf(i_0_22, plain, (drop(s(X1),nil)=nil)).
% 0.06/0.26  cnf(i_0_29, plain, (eq2(s(X1),z)=bfalse)).
% 0.06/0.26  cnf(i_0_36, plain, (eq(nil,cons(X1,X2))=bfalse)).
% 0.06/0.26  cnf(i_0_37, plain, (eq(cons(X1,X2),nil)=bfalse)).
% 0.06/0.26  cnf(i_0_23, plain, (drop(s(X1),cons(X2,X3))=drop(X1,X3))).
% 0.06/0.26  cnf(i_0_28, plain, (eq2(s(X1),s(X2))=eq2(X1,X2))).
% 0.06/0.26  cnf(i_0_38, negated_conjecture, (eq3(impl(eq(drop(X1,X2),drop(X1,X3)),eq(X2,X3)),bfalse)!=btrue)).
% 0.06/0.26  cnf(i_0_34, plain, (eq(cons(X1,X2),cons(X3,X4))=bfalse|eq2(X1,X3)!=bfalse)).
% 0.06/0.26  cnf(i_0_35, plain, (eq(cons(X1,X2),cons(X3,X4))=eq(X2,X4)|eq2(X1,X3)!=btrue)).
% 0.06/0.26  cnf(i_0_44, plain, (X5=X5)).
% 0.06/0.26  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.06/0.26  # Begin printing tableau
% 0.06/0.26  # Found 6 steps
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse), inference(start_rule)).
% 0.06/0.26  cnf(i_0_55, plain, (eq3(btrue,bfalse)=bfalse), inference(extension_rule, [i_0_53])).
% 0.06/0.26  cnf(i_0_103, plain, (eq3(btrue,bfalse)!=bfalse), inference(closure_rule, [i_0_27])).
% 0.06/0.26  cnf(i_0_101, plain, (eq3(eq3(btrue,bfalse),eq3(btrue,bfalse))=eq3(bfalse,bfalse)), inference(extension_rule, [i_0_47])).
% 0.06/0.26  cnf(i_0_117, plain, (eq3(bfalse,bfalse)!=impl(btrue,eq3(bfalse,bfalse))), inference(closure_rule, [i_0_20])).
% 0.06/0.26  cnf(i_0_115, plain, (eq3(eq3(btrue,bfalse),eq3(btrue,bfalse))=impl(btrue,eq3(bfalse,bfalse))), inference(etableau_closure_rule, [i_0_115, ...])).
% 0.06/0.26  # End printing tableau
% 0.06/0.26  # SZS output end
% 0.06/0.26  # Branches closed with saturation will be marked with an "s"
% 0.06/0.26  # There were 1 total branch saturation attempts.
% 0.06/0.26  # There were 0 of these attempts blocked.
% 0.06/0.26  # There were 0 deferred branch saturation attempts.
% 0.06/0.26  # There were 0 free duplicated saturations.
% 0.06/0.26  # There were 1 total successful branch saturations.
% 0.06/0.26  # There were 0 successful branch saturations in interreduction.
% 0.06/0.26  # There were 0 successful branch saturations on the branch.
% 0.06/0.26  # There were 1 successful branch saturations after the branch.
% 0.06/0.26  # SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # SZS output start for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # Begin clausification derivation
% 0.06/0.26  
% 0.06/0.26  # End clausification derivation
% 0.06/0.26  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse)).
% 0.06/0.26  cnf(i_0_26, plain, (eq3(bfalse,btrue)=bfalse)).
% 0.06/0.26  cnf(i_0_21, plain, (impl(bfalse,X1)=btrue)).
% 0.06/0.26  cnf(i_0_20, plain, (impl(btrue,X1)=X1)).
% 0.06/0.26  cnf(i_0_31, plain, (eq(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_24, plain, (drop(z,X1)=X1)).
% 0.06/0.26  cnf(i_0_33, plain, (eq3(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_32, plain, (eq2(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_30, plain, (eq2(z,s(X1))=bfalse)).
% 0.06/0.26  cnf(i_0_22, plain, (drop(s(X1),nil)=nil)).
% 0.06/0.26  cnf(i_0_29, plain, (eq2(s(X1),z)=bfalse)).
% 0.06/0.26  cnf(i_0_36, plain, (eq(nil,cons(X1,X2))=bfalse)).
% 0.06/0.26  cnf(i_0_37, plain, (eq(cons(X1,X2),nil)=bfalse)).
% 0.06/0.26  cnf(i_0_23, plain, (drop(s(X1),cons(X2,X3))=drop(X1,X3))).
% 0.06/0.26  cnf(i_0_28, plain, (eq2(s(X1),s(X2))=eq2(X1,X2))).
% 0.06/0.26  cnf(i_0_38, negated_conjecture, (eq3(impl(eq(drop(X1,X2),drop(X1,X3)),eq(X2,X3)),bfalse)!=btrue)).
% 0.06/0.26  cnf(i_0_34, plain, (eq(cons(X1,X2),cons(X3,X4))=bfalse|eq2(X1,X3)!=bfalse)).
% 0.06/0.26  cnf(i_0_35, plain, (eq(cons(X1,X2),cons(X3,X4))=eq(X2,X4)|eq2(X1,X3)!=btrue)).
% 0.06/0.26  cnf(i_0_44, plain, (X5=X5)).
% 0.06/0.26  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.06/0.26  # Begin printing tableau
% 0.06/0.26  # Found 6 steps
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse), inference(start_rule)).
% 0.06/0.26  cnf(i_0_55, plain, (eq3(btrue,bfalse)=bfalse), inference(extension_rule, [i_0_52])).
% 0.06/0.26  cnf(i_0_99, plain, (eq3(btrue,bfalse)!=bfalse), inference(closure_rule, [i_0_27])).
% 0.06/0.26  cnf(i_0_98, plain, (eq(eq3(btrue,bfalse),eq3(btrue,bfalse))=eq(bfalse,bfalse)), inference(extension_rule, [i_0_47])).
% 0.06/0.26  cnf(i_0_117, plain, (eq(bfalse,bfalse)!=impl(btrue,eq(bfalse,bfalse))), inference(closure_rule, [i_0_20])).
% 0.06/0.26  cnf(i_0_115, plain, (eq(eq3(btrue,bfalse),eq3(btrue,bfalse))=impl(btrue,eq(bfalse,bfalse))), inference(etableau_closure_rule, [i_0_115, ...])).
% 0.06/0.26  # End printing tableau
% 0.06/0.26  # SZS output end
% 0.06/0.26  # Branches closed with saturation will be marked with an "s"
% 0.06/0.26  # There were 1 total branch saturation attempts.
% 0.06/0.26  # There were 0 of these attempts blocked.
% 0.06/0.26  # There were 0 deferred branch saturation attempts.
% 0.06/0.26  # There were 0 free duplicated saturations.
% 0.06/0.26  # There were 1 total successful branch saturations.
% 0.06/0.26  # There were 0 successful branch saturations in interreduction.
% 0.06/0.26  # There were 0 successful branch saturations on the branch.
% 0.06/0.26  # There were 1 successful branch saturations after the branch.
% 0.06/0.26  # SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # SZS output start for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.26  # Begin clausification derivation
% 0.06/0.26  
% 0.06/0.26  # End clausification derivation
% 0.06/0.26  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse)).
% 0.06/0.26  cnf(i_0_26, plain, (eq3(bfalse,btrue)=bfalse)).
% 0.06/0.26  cnf(i_0_21, plain, (impl(bfalse,X1)=btrue)).
% 0.06/0.26  cnf(i_0_20, plain, (impl(btrue,X1)=X1)).
% 0.06/0.26  cnf(i_0_31, plain, (eq(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_24, plain, (drop(z,X1)=X1)).
% 0.06/0.26  cnf(i_0_33, plain, (eq3(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_32, plain, (eq2(X1,X1)=btrue)).
% 0.06/0.26  cnf(i_0_30, plain, (eq2(z,s(X1))=bfalse)).
% 0.06/0.26  cnf(i_0_22, plain, (drop(s(X1),nil)=nil)).
% 0.06/0.26  cnf(i_0_29, plain, (eq2(s(X1),z)=bfalse)).
% 0.06/0.26  cnf(i_0_36, plain, (eq(nil,cons(X1,X2))=bfalse)).
% 0.06/0.26  cnf(i_0_37, plain, (eq(cons(X1,X2),nil)=bfalse)).
% 0.06/0.26  cnf(i_0_23, plain, (drop(s(X1),cons(X2,X3))=drop(X1,X3))).
% 0.06/0.26  cnf(i_0_28, plain, (eq2(s(X1),s(X2))=eq2(X1,X2))).
% 0.06/0.26  cnf(i_0_38, negated_conjecture, (eq3(impl(eq(drop(X1,X2),drop(X1,X3)),eq(X2,X3)),bfalse)!=btrue)).
% 0.06/0.26  cnf(i_0_34, plain, (eq(cons(X1,X2),cons(X3,X4))=bfalse|eq2(X1,X3)!=bfalse)).
% 0.06/0.26  cnf(i_0_35, plain, (eq(cons(X1,X2),cons(X3,X4))=eq(X2,X4)|eq2(X1,X3)!=btrue)).
% 0.06/0.26  cnf(i_0_44, plain, (X5=X5)).
% 0.06/0.26  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.06/0.26  # Begin printing tableau
% 0.06/0.26  # Found 6 steps
% 0.06/0.26  cnf(i_0_27, plain, (eq3(btrue,bfalse)=bfalse), inference(start_rule)).
% 0.06/0.26  cnf(i_0_55, plain, (eq3(btrue,bfalse)=bfalse), inference(extension_rule, [i_0_52])).
% 0.06/0.26  cnf(i_0_100, plain, (eq3(btrue,bfalse)!=bfalse), inference(closure_rule, [i_0_27])).
% 0.06/0.26  cnf(i_0_98, plain, (eq(eq3(btrue,bfalse),eq3(btrue,bfalse))=eq(bfalse,bfalse)), inference(extension_rule, [i_0_47])).
% 0.06/0.26  cnf(i_0_117, plain, (eq(bfalse,bfalse)!=impl(btrue,eq(bfalse,bfalse))), inference(closure_rule, [i_0_20])).
% 0.06/0.26  cnf(i_0_115, plain, (eq(eq3(btrue,bfalse),eq3(btrue,bfalse))=impl(btrue,eq(bfalse,bfalse))), inference(etableau_closure_rule, [i_0_115, ...])).
% 0.06/0.26  # End printing tableau
% 0.06/0.26  # SZS output end
% 0.06/0.26  # Branches closed with saturation will be marked with an "s"
% 0.06/0.26  # Child (18054) has found a proof.
% 0.06/0.26  
% 0.06/0.26  # Proof search is over...
% 0.06/0.26  # Freeing feature tree
%------------------------------------------------------------------------------