TSTP Solution File: PLA030-1 by Etableau---0.67

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Etableau---0.67
% Problem  : PLA030-1 : TPTP v8.1.0. Released v2.5.0.
% 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 : n028.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 : Mon Jul 18 16:56:42 EDT 2022

% Result   : Satisfiable 0.13s 0.37s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PLA030-1 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.13  % Command  : etableau --auto --tsmdo --quicksat=10000 --tableau=1 --tableau-saturation=1 -s -p --tableau-cores=8 --cpu-limit=%d %s
% 0.13/0.34  % Computer : n028.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Tue May 31 22:22:36 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.37  # No SInE strategy applied
% 0.13/0.37  # Auto-Mode selected heuristic G_E___208_C18_F1_SE_CS_SP_PS_S5PRR_RG_S04AN
% 0.13/0.37  # and selection function SelectComplexExceptUniqMaxHorn.
% 0.13/0.37  #
% 0.13/0.37  # Presaturation interreduction done
% 0.13/0.37  # Number of axioms: 30 Number of unprocessed: 30
% 0.13/0.37  # Tableaux proof search.
% 0.13/0.37  # APR header successfully linked.
% 0.13/0.37  # Hello from C++
% 0.13/0.37  # The folding up rule is enabled...
% 0.13/0.37  # Local unification is enabled...
% 0.13/0.37  # Any saturation attempts will use folding labels...
% 0.13/0.37  # 30 beginning clauses after preprocessing and clausification
% 0.13/0.37  # No conjectures after preprocessing.  Attempting to resurrect them from ax_archive.
% 0.13/0.37  # No conjectures.
% 0.13/0.37  # There are 30 start rule candidates:
% 0.13/0.37  # Found 19 unit axioms.
% 0.13/0.37  # Unsuccessfully attempted saturation on 1 start tableaux, moving on.
% 0.13/0.37  # 30 start rule tableaux created.
% 0.13/0.37  # 11 extension rule candidate clauses
% 0.13/0.37  # 19 unit axiom clauses
% 0.13/0.37  
% 0.13/0.37  # Requested 8, 32 cores available to the main process.
% 0.13/0.37  # 19619 Satisfiable branch
% 0.13/0.37  # 19618 Satisfiable branch
% 0.13/0.37  # 19620 Satisfiable branch
% 0.13/0.37  # 19621 Satisfiable branch
% 0.13/0.37  # Satisfiable branch found.
% 0.13/0.37  # Satisfiable branch found.
% 0.13/0.37  # 19623 Satisfiable branch
% 0.13/0.37  # There were 1 total branch saturation attempts.
% 0.13/0.37  # There were 0 of these attempts blocked.
% 0.13/0.37  # There were 0 deferred branch saturation attempts.
% 0.13/0.37  # There were 0 free duplicated saturations.
% 0.13/0.37  # There were 0 total successful branch saturations.
% 0.13/0.37  # There were 0 successful branch saturations in interreduction.
% 0.13/0.37  # There were 0 successful branch saturations on the branch.
% 0.13/0.37  # There were 0 successful branch saturations after the branch.
% 0.13/0.37  # There were 1 total branch saturation attempts.
% 0.13/0.37  # There were 0 of these attempts blocked.
% 0.13/0.37  # There were 0 deferred branch saturation attempts.
% 0.13/0.37  # There were 0 free duplicated saturations.
% 0.13/0.37  # There were 0 total successful branch saturations.
% 0.13/0.37  # There were 0 successful branch saturations in interreduction.
% 0.13/0.37  # There were 0 successful branch saturations on the branch.
% 0.13/0.37  # There were 0 successful branch saturations after the branch.
% 0.13/0.37  # SZS status Satisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.37  # SZS output start for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.37  # Begin clausification derivation
% 0.13/0.37  
% 0.13/0.37  # End clausification derivation
% 0.13/0.37  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.13/0.37  cnf(i_0_59, plain, (holds(empty,s0))).
% 0.13/0.37  cnf(i_0_45, plain, (differ(a,table))).
% 0.13/0.37  cnf(i_0_42, plain, (differ(a,b))).
% 0.13/0.37  cnf(i_0_43, plain, (differ(a,c))).
% 0.13/0.37  cnf(i_0_44, plain, (differ(a,d))).
% 0.13/0.37  cnf(i_0_48, plain, (differ(b,table))).
% 0.13/0.37  cnf(i_0_46, plain, (differ(b,c))).
% 0.13/0.37  cnf(i_0_47, plain, (differ(b,d))).
% 0.13/0.37  cnf(i_0_50, plain, (differ(c,table))).
% 0.13/0.37  cnf(i_0_49, plain, (differ(c,d))).
% 0.13/0.37  cnf(i_0_51, plain, (differ(d,table))).
% 0.13/0.37  cnf(i_0_56, plain, (holds(clear(a),s0))).
% 0.13/0.37  cnf(i_0_57, plain, (holds(clear(b),s0))).
% 0.13/0.37  cnf(i_0_58, plain, (holds(clear(c),s0))).
% 0.13/0.37  cnf(i_0_60, plain, (holds(clear(table),X1))).
% 0.13/0.37  cnf(i_0_52, plain, (holds(on(a,table),s0))).
% 0.13/0.37  cnf(i_0_53, plain, (holds(on(b,table),s0))).
% 0.13/0.37  cnf(i_0_54, plain, (holds(on(c,d),s0))).
% 0.13/0.37  cnf(i_0_55, plain, (holds(on(d,table),s0))).
% 0.13/0.37  cnf(i_0_41, plain, (differ(X1,X2)|~differ(X2,X1))).
% 0.13/0.37  cnf(i_0_31, plain, (holds(and(X1,X2),X3)|~holds(X2,X3)|~holds(X1,X3))).
% 0.13/0.37  cnf(i_0_35, plain, (holds(clear(X1),do(pickup(X2),X3))|~differ(X1,X2)|~holds(clear(X1),X3))).
% 0.13/0.37  cnf(i_0_39, plain, (holds(on(X1,X2),do(putdown(X3,X4),X5))|~holds(on(X1,X2),X5))).
% 0.13/0.37  cnf(i_0_36, plain, (holds(empty,do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_40, plain, (holds(clear(X1),do(putdown(X2,X3),X4))|~differ(X1,X3)|~holds(clear(X1),X4))).
% 0.13/0.37  cnf(i_0_38, plain, (holds(clear(X1),do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_34, plain, (holds(on(X1,X2),do(pickup(X3),X4))|~differ(X1,X3)|~holds(on(X1,X2),X4))).
% 0.13/0.37  cnf(i_0_32, plain, (holds(holding(X1),do(pickup(X1),X2))|~differ(X1,table)|~holds(clear(X1),X2)|~holds(empty,X2))).
% 0.13/0.37  cnf(i_0_37, plain, (holds(on(X1,X2),do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_33, plain, (holds(clear(X1),do(pickup(X2),X3))|~holds(on(X2,X1),X3)|~holds(clear(X2),X3)|~holds(empty,X3))).
% 0.13/0.37  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.13/0.37  # Begin printing tableau
% 0.13/0.37  # Found 4 steps
% 0.13/0.37  cnf(i_0_45, plain, (differ(a,table)), inference(start_rule)).
% 0.13/0.37  cnf(i_0_62, plain, (differ(a,table)), inference(extension_rule, [i_0_41])).
% 0.13/0.37  cnf(i_0_113, plain, (differ(table,a)), inference(extension_rule, [i_0_35])).
% 0.13/0.37  cnf(i_0_120, plain, (~holds(clear(table),X6)), inference(closure_rule, [i_0_60])).
% 0.13/0.37  # End printing tableau
% 0.13/0.37  # SZS output end
% 0.13/0.37  # Branches closed with saturation will be marked with an "s"
% 0.13/0.37  # Satisfiable branch found.
% 0.13/0.37  # There were 1 total branch saturation attempts.
% 0.13/0.37  # There were 0 of these attempts blocked.
% 0.13/0.37  # There were 0 deferred branch saturation attempts.
% 0.13/0.37  # There were 0 free duplicated saturations.
% 0.13/0.37  # There were 0 total successful branch saturations.
% 0.13/0.37  # There were 0 successful branch saturations in interreduction.
% 0.13/0.37  # There were 0 successful branch saturations on the branch.
% 0.13/0.37  # There were 0 successful branch saturations after the branch.
% 0.13/0.37  # Satisfiable branch found.
% 0.13/0.37  # SZS status Satisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.37  # SZS output start for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.37  # Begin clausification derivation
% 0.13/0.37  
% 0.13/0.37  # End clausification derivation
% 0.13/0.37  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.13/0.37  cnf(i_0_59, plain, (holds(empty,s0))).
% 0.13/0.37  cnf(i_0_45, plain, (differ(a,table))).
% 0.13/0.37  cnf(i_0_42, plain, (differ(a,b))).
% 0.13/0.37  cnf(i_0_43, plain, (differ(a,c))).
% 0.13/0.37  cnf(i_0_44, plain, (differ(a,d))).
% 0.13/0.37  cnf(i_0_48, plain, (differ(b,table))).
% 0.13/0.37  cnf(i_0_46, plain, (differ(b,c))).
% 0.13/0.37  cnf(i_0_47, plain, (differ(b,d))).
% 0.13/0.37  cnf(i_0_50, plain, (differ(c,table))).
% 0.13/0.37  cnf(i_0_49, plain, (differ(c,d))).
% 0.13/0.37  cnf(i_0_51, plain, (differ(d,table))).
% 0.13/0.37  cnf(i_0_56, plain, (holds(clear(a),s0))).
% 0.13/0.37  cnf(i_0_57, plain, (holds(clear(b),s0))).
% 0.13/0.37  cnf(i_0_58, plain, (holds(clear(c),s0))).
% 0.13/0.37  cnf(i_0_60, plain, (holds(clear(table),X1))).
% 0.13/0.37  cnf(i_0_52, plain, (holds(on(a,table),s0))).
% 0.13/0.37  cnf(i_0_53, plain, (holds(on(b,table),s0))).
% 0.13/0.37  cnf(i_0_54, plain, (holds(on(c,d),s0))).
% 0.13/0.37  cnf(i_0_55, plain, (holds(on(d,table),s0))).
% 0.13/0.37  cnf(i_0_41, plain, (differ(X1,X2)|~differ(X2,X1))).
% 0.13/0.37  cnf(i_0_31, plain, (holds(and(X1,X2),X3)|~holds(X2,X3)|~holds(X1,X3))).
% 0.13/0.37  cnf(i_0_35, plain, (holds(clear(X1),do(pickup(X2),X3))|~differ(X1,X2)|~holds(clear(X1),X3))).
% 0.13/0.37  cnf(i_0_39, plain, (holds(on(X1,X2),do(putdown(X3,X4),X5))|~holds(on(X1,X2),X5))).
% 0.13/0.37  cnf(i_0_36, plain, (holds(empty,do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_40, plain, (holds(clear(X1),do(putdown(X2,X3),X4))|~differ(X1,X3)|~holds(clear(X1),X4))).
% 0.13/0.37  cnf(i_0_38, plain, (holds(clear(X1),do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_34, plain, (holds(on(X1,X2),do(pickup(X3),X4))|~differ(X1,X3)|~holds(on(X1,X2),X4))).
% 0.13/0.37  cnf(i_0_32, plain, (holds(holding(X1),do(pickup(X1),X2))|~differ(X1,table)|~holds(clear(X1),X2)|~holds(empty,X2))).
% 0.13/0.37  cnf(i_0_37, plain, (holds(on(X1,X2),do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_33, plain, (holds(clear(X1),do(pickup(X2),X3))|~holds(on(X2,X1),X3)|~holds(clear(X2),X3)|~holds(empty,X3))).
% 0.13/0.37  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.13/0.37  # Begin printing tableau
% 0.13/0.37  # Found 4 steps
% 0.13/0.37  cnf(i_0_42, plain, (differ(a,b)), inference(start_rule)).
% 0.13/0.37  cnf(i_0_63, plain, (differ(a,b)), inference(extension_rule, [i_0_41])).
% 0.13/0.37  cnf(i_0_113, plain, (differ(b,a)), inference(extension_rule, [i_0_35])).
% 0.13/0.37  cnf(i_0_120, plain, (~holds(clear(b),s0)), inference(closure_rule, [i_0_57])).
% 0.13/0.37  # End printing tableau
% 0.13/0.37  # SZS output end
% 0.13/0.37  # Branches closed with saturation will be marked with an "s"
% 0.13/0.37  # SZS status Satisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.37  # SZS output start for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.37  # Begin clausification derivation
% 0.13/0.37  
% 0.13/0.37  # End clausification derivation
% 0.13/0.37  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.13/0.37  cnf(i_0_59, plain, (holds(empty,s0))).
% 0.13/0.37  cnf(i_0_45, plain, (differ(a,table))).
% 0.13/0.37  cnf(i_0_42, plain, (differ(a,b))).
% 0.13/0.37  cnf(i_0_43, plain, (differ(a,c))).
% 0.13/0.37  cnf(i_0_44, plain, (differ(a,d))).
% 0.13/0.37  cnf(i_0_48, plain, (differ(b,table))).
% 0.13/0.37  cnf(i_0_46, plain, (differ(b,c))).
% 0.13/0.37  cnf(i_0_47, plain, (differ(b,d))).
% 0.13/0.37  cnf(i_0_50, plain, (differ(c,table))).
% 0.13/0.37  cnf(i_0_49, plain, (differ(c,d))).
% 0.13/0.37  cnf(i_0_51, plain, (differ(d,table))).
% 0.13/0.37  cnf(i_0_56, plain, (holds(clear(a),s0))).
% 0.13/0.37  cnf(i_0_57, plain, (holds(clear(b),s0))).
% 0.13/0.37  cnf(i_0_58, plain, (holds(clear(c),s0))).
% 0.13/0.37  cnf(i_0_60, plain, (holds(clear(table),X1))).
% 0.13/0.37  cnf(i_0_52, plain, (holds(on(a,table),s0))).
% 0.13/0.37  cnf(i_0_53, plain, (holds(on(b,table),s0))).
% 0.13/0.37  cnf(i_0_54, plain, (holds(on(c,d),s0))).
% 0.13/0.37  cnf(i_0_55, plain, (holds(on(d,table),s0))).
% 0.13/0.37  cnf(i_0_41, plain, (differ(X1,X2)|~differ(X2,X1))).
% 0.13/0.37  cnf(i_0_31, plain, (holds(and(X1,X2),X3)|~holds(X2,X3)|~holds(X1,X3))).
% 0.13/0.37  cnf(i_0_35, plain, (holds(clear(X1),do(pickup(X2),X3))|~differ(X1,X2)|~holds(clear(X1),X3))).
% 0.13/0.37  cnf(i_0_39, plain, (holds(on(X1,X2),do(putdown(X3,X4),X5))|~holds(on(X1,X2),X5))).
% 0.13/0.37  cnf(i_0_36, plain, (holds(empty,do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_40, plain, (holds(clear(X1),do(putdown(X2,X3),X4))|~differ(X1,X3)|~holds(clear(X1),X4))).
% 0.13/0.37  cnf(i_0_38, plain, (holds(clear(X1),do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_34, plain, (holds(on(X1,X2),do(pickup(X3),X4))|~differ(X1,X3)|~holds(on(X1,X2),X4))).
% 0.13/0.37  cnf(i_0_32, plain, (holds(holding(X1),do(pickup(X1),X2))|~differ(X1,table)|~holds(clear(X1),X2)|~holds(empty,X2))).
% 0.13/0.37  cnf(i_0_37, plain, (holds(on(X1,X2),do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_33, plain, (holds(clear(X1),do(pickup(X2),X3))|~holds(on(X2,X1),X3)|~holds(clear(X2),X3)|~holds(empty,X3))).
% 0.13/0.37  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.13/0.37  # Begin printing tableau
% 0.13/0.37  # Found 5 steps
% 0.13/0.37  cnf(i_0_59, plain, (holds(empty,s0)), inference(start_rule)).
% 0.13/0.37  cnf(i_0_61, plain, (holds(empty,s0)), inference(extension_rule, [i_0_31])).
% 0.13/0.37  cnf(i_0_117, plain, (~holds(empty,s0)), inference(closure_rule, [i_0_59])).
% 0.13/0.37  cnf(i_0_115, plain, (holds(and(empty,empty),s0)), inference(extension_rule, [i_0_31])).
% 0.13/0.37  cnf(i_0_150, plain, (~holds(empty,s0)), inference(closure_rule, [i_0_59])).
% 0.13/0.37  # End printing tableau
% 0.13/0.37  # SZS output end
% 0.13/0.37  # Branches closed with saturation will be marked with an "s"
% 0.13/0.37  # 19624 Satisfiable branch
% 0.13/0.37  # Satisfiable branch found.
% 0.13/0.37  # There were 1 total branch saturation attempts.
% 0.13/0.37  # There were 0 of these attempts blocked.
% 0.13/0.37  # There were 0 deferred branch saturation attempts.
% 0.13/0.37  # There were 0 free duplicated saturations.
% 0.13/0.37  # There were 0 total successful branch saturations.
% 0.13/0.37  # There were 0 successful branch saturations in interreduction.
% 0.13/0.37  # There were 0 successful branch saturations on the branch.
% 0.13/0.37  # There were 0 successful branch saturations after the branch.
% 0.13/0.37  # SZS status Satisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.37  # SZS output start for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.37  # Begin clausification derivation
% 0.13/0.37  
% 0.13/0.37  # End clausification derivation
% 0.13/0.37  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.13/0.37  cnf(i_0_59, plain, (holds(empty,s0))).
% 0.13/0.37  cnf(i_0_45, plain, (differ(a,table))).
% 0.13/0.37  cnf(i_0_42, plain, (differ(a,b))).
% 0.13/0.37  cnf(i_0_43, plain, (differ(a,c))).
% 0.13/0.37  cnf(i_0_44, plain, (differ(a,d))).
% 0.13/0.37  cnf(i_0_48, plain, (differ(b,table))).
% 0.13/0.37  cnf(i_0_46, plain, (differ(b,c))).
% 0.13/0.37  cnf(i_0_47, plain, (differ(b,d))).
% 0.13/0.37  cnf(i_0_50, plain, (differ(c,table))).
% 0.13/0.37  cnf(i_0_49, plain, (differ(c,d))).
% 0.13/0.37  cnf(i_0_51, plain, (differ(d,table))).
% 0.13/0.37  cnf(i_0_56, plain, (holds(clear(a),s0))).
% 0.13/0.37  cnf(i_0_57, plain, (holds(clear(b),s0))).
% 0.13/0.37  cnf(i_0_58, plain, (holds(clear(c),s0))).
% 0.13/0.37  cnf(i_0_60, plain, (holds(clear(table),X1))).
% 0.13/0.37  cnf(i_0_52, plain, (holds(on(a,table),s0))).
% 0.13/0.37  cnf(i_0_53, plain, (holds(on(b,table),s0))).
% 0.13/0.37  cnf(i_0_54, plain, (holds(on(c,d),s0))).
% 0.13/0.37  cnf(i_0_55, plain, (holds(on(d,table),s0))).
% 0.13/0.37  cnf(i_0_41, plain, (differ(X1,X2)|~differ(X2,X1))).
% 0.13/0.37  cnf(i_0_31, plain, (holds(and(X1,X2),X3)|~holds(X2,X3)|~holds(X1,X3))).
% 0.13/0.37  cnf(i_0_35, plain, (holds(clear(X1),do(pickup(X2),X3))|~differ(X1,X2)|~holds(clear(X1),X3))).
% 0.13/0.37  cnf(i_0_39, plain, (holds(on(X1,X2),do(putdown(X3,X4),X5))|~holds(on(X1,X2),X5))).
% 0.13/0.37  cnf(i_0_36, plain, (holds(empty,do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_40, plain, (holds(clear(X1),do(putdown(X2,X3),X4))|~differ(X1,X3)|~holds(clear(X1),X4))).
% 0.13/0.37  cnf(i_0_38, plain, (holds(clear(X1),do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_34, plain, (holds(on(X1,X2),do(pickup(X3),X4))|~differ(X1,X3)|~holds(on(X1,X2),X4))).
% 0.13/0.37  cnf(i_0_32, plain, (holds(holding(X1),do(pickup(X1),X2))|~differ(X1,table)|~holds(clear(X1),X2)|~holds(empty,X2))).
% 0.13/0.37  cnf(i_0_37, plain, (holds(on(X1,X2),do(putdown(X1,X2),X3))|~holds(holding(X1),X3)|~holds(clear(X2),X3))).
% 0.13/0.37  cnf(i_0_33, plain, (holds(clear(X1),do(pickup(X2),X3))|~holds(on(X2,X1),X3)|~holds(clear(X2),X3)|~holds(empty,X3))).
% 0.13/0.37  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.13/0.37  # Begin printing tableau
% 0.13/0.37  # Found 4 steps
% 0.13/0.37  cnf(i_0_48, plain, (differ(b,table)), inference(start_rule)).
% 0.13/0.37  cnf(i_0_66, plain, (differ(b,table)), inference(extension_rule, [i_0_41])).
% 0.13/0.37  cnf(i_0_113, plain, (differ(table,b)), inference(extension_rule, [i_0_35])).
% 0.13/0.37  cnf(i_0_120, plain, (~holds(clear(table),X6)), inference(closure_rule, [i_0_60])).
% 0.13/0.37  # End printing tableau
% 0.13/0.37  # SZS output end
% 0.13/0.37  # Branches closed with saturation will be marked with an "s"
% 0.13/0.37  # Child (19619) has found a proof.
% 0.13/0.37  
% 0.13/0.37  # 19622 Satisfiable branch
% 0.13/0.37  # Proof search is over...
% 0.13/0.37  # Freeing feature tree
%------------------------------------------------------------------------------