TSTP Solution File: LCL011-1 by Etableau---0.67

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Etableau---0.67
% Problem  : LCL011-1 : TPTP v8.1.0. Released v1.0.0.
% 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 : n003.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 : Sun Jul 17 10:18:56 EDT 2022

% Result   : Unsatisfiable 0.19s 0.47s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : LCL011-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.12  % Command  : etableau --auto --tsmdo --quicksat=10000 --tableau=1 --tableau-saturation=1 -s -p --tableau-cores=8 --cpu-limit=%d %s
% 0.12/0.33  % Computer : n003.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  : 600
% 0.12/0.33  % DateTime : Sun Jul  3 22:10:24 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.36  # No SInE strategy applied
% 0.12/0.36  # Auto-Mode selected heuristic G_____0019_C18_F1_PI_SE_CS_SP_S0Y
% 0.12/0.36  # and selection function SelectMaxLComplexAvoidPosPred.
% 0.12/0.36  #
% 0.12/0.36  # Number of axioms: 3 Number of unprocessed: 3
% 0.12/0.36  # Tableaux proof search.
% 0.12/0.36  # APR header successfully linked.
% 0.12/0.36  # Hello from C++
% 0.19/0.47  # The folding up rule is enabled...
% 0.19/0.47  # Local unification is enabled...
% 0.19/0.47  # Any saturation attempts will use folding labels...
% 0.19/0.47  # 3 beginning clauses after preprocessing and clausification
% 0.19/0.47  # Creating start rules for all 1 conjectures.
% 0.19/0.47  # There are 1 start rule candidates:
% 0.19/0.47  # Found 2 unit axioms.
% 0.19/0.47  # 1 start rule tableaux created.
% 0.19/0.47  # 1 extension rule candidate clauses
% 0.19/0.47  # 2 unit axiom clauses
% 0.19/0.47  
% 0.19/0.47  # Requested 8, 32 cores available to the main process.
% 0.19/0.47  # There are not enough tableaux to fork, creating more from the initial 1
% 0.19/0.47  # There were 1 total branch saturation attempts.
% 0.19/0.47  # There were 0 of these attempts blocked.
% 0.19/0.47  # There were 0 deferred branch saturation attempts.
% 0.19/0.47  # There were 0 free duplicated saturations.
% 0.19/0.47  # There were 1 total successful branch saturations.
% 0.19/0.47  # There were 0 successful branch saturations in interreduction.
% 0.19/0.47  # There were 0 successful branch saturations on the branch.
% 0.19/0.47  # There were 1 successful branch saturations after the branch.
% 0.19/0.47  # SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.47  # SZS output start for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.47  # Begin clausification derivation
% 0.19/0.47  
% 0.19/0.47  # End clausification derivation
% 0.19/0.47  # Begin listing active clauses obtained from FOF to CNF conversion
% 0.19/0.47  cnf(i_0_4, plain, (is_a_theorem(X2)|~is_a_theorem(X1)|~is_a_theorem(equivalent(X1,X2)))).
% 0.19/0.47  cnf(i_0_5, plain, (is_a_theorem(equivalent(equivalent(X1,X2),equivalent(equivalent(X3,X1),equivalent(X2,X3)))))).
% 0.19/0.47  cnf(i_0_6, negated_conjecture, (~is_a_theorem(equivalent(equivalent(a,b),equivalent(equivalent(a,c),equivalent(c,b)))))).
% 0.19/0.47  # End listing active clauses.  There is an equivalent clause to each of these in the clausification!
% 0.19/0.47  # Begin printing tableau
% 0.19/0.47  # Found 6 steps
% 0.19/0.47  cnf(i_0_6, negated_conjecture, (~is_a_theorem(equivalent(equivalent(a,b),equivalent(equivalent(a,c),equivalent(c,b))))), inference(start_rule)).
% 0.19/0.47  cnf(i_0_7, plain, (~is_a_theorem(equivalent(equivalent(a,b),equivalent(equivalent(a,c),equivalent(c,b))))), inference(extension_rule, [i_0_4])).
% 0.19/0.47  cnf(i_0_9, plain, (~is_a_theorem(equivalent(equivalent(X8,X7),equivalent(equivalent(X6,X8),equivalent(X7,X6))))), inference(closure_rule, [i_0_5])).
% 0.19/0.47  cnf(i_0_10, plain, (~is_a_theorem(equivalent(equivalent(equivalent(X8,X7),equivalent(equivalent(X6,X8),equivalent(X7,X6))),equivalent(equivalent(a,b),equivalent(equivalent(a,c),equivalent(c,b)))))), inference(extension_rule, [i_0_4])).
% 0.19/0.47  cnf(i_0_12, plain, (~is_a_theorem(equivalent(equivalent(X1,X2),equivalent(equivalent(X4,X1),equivalent(X2,X4))))), inference(closure_rule, [i_0_5])).
% 0.19/0.47  cnf(i_0_13, plain, (~is_a_theorem(equivalent(equivalent(equivalent(X1,X2),equivalent(equivalent(X4,X1),equivalent(X2,X4))),equivalent(equivalent(equivalent(X8,X7),equivalent(equivalent(X6,X8),equivalent(X7,X6))),equivalent(equivalent(a,b),equivalent(equivalent(a,c),equivalent(c,b))))))), inference(etableau_closure_rule, [i_0_13, ...])).
% 0.19/0.47  # End printing tableau
% 0.19/0.47  # SZS output end
% 0.19/0.47  # Branches closed with saturation will be marked with an "s"
% 0.19/0.47  # Returning from population with 1 new_tableaux and 0 remaining starting tableaux.
% 0.19/0.47  # We now have 1 tableaux to operate on
% 0.19/0.47  # Found closed tableau during pool population.
% 0.19/0.47  # Proof search is over...
% 0.19/0.47  # Freeing feature tree
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