%------------------------------------------------------------------------------ % File : Etableau---0.67 % Problem : LCL400-1 : TPTP v9.3.1. Released v2.3.0. % 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 : n031.cluster.edu % Model : x86_64 x86_64 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz % Memory : 8046.5625MB % OS : Linux 6.8.0-71-generic % CPULimit : 300s % WCLimit : 300s % DateTime : Mon Sep 7 12:01:10 PM UTC 2026 % Result : Unsatisfiable 11.45s 11.78s % Output : Assurance 0s % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.00/0.02 % Problem : LCL400-1 : TPTP v9.3.1. Released v2.3.0. % 0.00/0.03 % Command : etableau --auto --tsmdo --quicksat=10000 --tableau=1 --tableau-saturation=1 -s -p --tableau-cores=8 --cpu-limit=%d %s % 0.07/0.34 % Computer : n031.cluster.edu % 0.07/0.34 % Model : x86_64 x86_64 % 0.07/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.07/0.34 % Memory : 8046.5625MB % 0.07/0.34 % OS : Linux 6.8.0-71-generic % 0.07/0.34 % CPULimit : 300 % 0.07/0.34 % WCLimit : 300 % 0.07/0.34 % DateTime : Fri Sep 4 18:21:09 UTC 2026 % 0.07/0.34 % CPUTime : % 0.15/0.40 # No SInE strategy applied % 0.15/0.40 # Auto-Mode selected heuristic H_____011_C07_F1_PI_AE_Q4_CS_SP_PS_S0V % 0.15/0.40 # and selection function PSelectComplexExceptRRHorn. % 0.15/0.40 # % 0.15/0.40 # Presaturation interreduction done % 0.15/0.40 # Number of axioms: 5 Number of unprocessed: 5 % 0.15/0.40 # Tableaux proof search. % 0.15/0.40 # APR header successfully linked. % 0.15/0.40 # Hello from C++ % 1.65/2.01 # The folding up rule is enabled... % 1.65/2.01 # Local unification is enabled... % 1.65/2.01 # Any saturation attempts will use folding labels... % 1.65/2.01 # 5 beginning clauses after preprocessing and clausification % 1.65/2.01 # Creating start rules for all 1 conjectures. % 1.65/2.01 # There are 1 start rule candidates: % 1.65/2.01 # Found 4 unit axioms. % 1.65/2.01 # 1 start rule tableaux created. % 1.65/2.01 # 1 extension rule candidate clauses % 1.65/2.01 # 4 unit axiom clauses % 1.65/2.01 % 1.65/2.01 # Requested 8, 32 cores available to the main process. % 1.65/2.01 # There are not enough tableaux to fork, creating more from the initial 1 % 3.35/3.62 # Ran out of tableaux, making start rules for all clauses % 11.45/11.78 # There were 10 total branch saturation attempts. % 11.45/11.78 # There were 0 of these attempts blocked. % 11.45/11.78 # There were 0 deferred branch saturation attempts. % 11.45/11.78 # There were 0 free duplicated saturations. % 11.45/11.78 # There were 1 total successful branch saturations. % 11.45/11.78 # There were 0 successful branch saturations in interreduction. % 11.45/11.78 # There were 0 successful branch saturations on the branch. % 11.45/11.78 # There were 1 successful branch saturations after the branch. % 11.45/11.78 # SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p % 11.45/11.78 # SZS output start for /export/starexec/sandbox2/benchmark/theBenchmark.p % 11.45/11.78 # Begin clausification derivation % 11.45/11.78 % 11.45/11.78 # End clausification derivation % 11.45/11.78 # Begin listing active clauses obtained from FOF to CNF conversion % 11.45/11.78 cnf(i_0_9, plain, (is_a_theorem(implies(X1,implies(not(X1),X2))))). % 11.45/11.78 cnf(i_0_8, plain, (is_a_theorem(implies(implies(not(X1),X1),X1)))). % 11.45/11.78 cnf(i_0_7, plain, (is_a_theorem(implies(implies(X1,X2),implies(implies(X2,X3),implies(X1,X3)))))). % 11.45/11.78 cnf(i_0_10, negated_conjecture, (~is_a_theorem(implies(not(implies(x,y)),x)))). % 11.45/11.78 cnf(i_0_6, plain, (is_a_theorem(X1)|~is_a_theorem(implies(X2,X1))|~is_a_theorem(X2))). % 11.45/11.78 # End listing active clauses. There is an equivalent clause to each of these in the clausification! % 11.45/11.78 # Begin printing tableau % 11.45/11.78 # Found 8 steps % 11.45/11.78 cnf(i_0_8, plain, (is_a_theorem(implies(implies(not(implies(not(implies(x,y)),x)),implies(not(implies(x,y)),x)),implies(not(implies(x,y)),x)))), inference(start_rule)). % 11.45/11.78 cnf(i_0_108713, plain, (is_a_theorem(implies(implies(not(implies(not(implies(x,y)),x)),implies(not(implies(x,y)),x)),implies(not(implies(x,y)),x)))), inference(extension_rule, [i_0_6])). % 11.45/11.78 cnf(i_0_280938, plain, (is_a_theorem(implies(not(implies(x,y)),x))), inference(closure_rule, [i_0_10])). % 11.45/11.78 cnf(i_0_280940, plain, (~is_a_theorem(implies(not(implies(not(implies(x,y)),x)),implies(not(implies(x,y)),x)))), inference(extension_rule, [i_0_6])). % 11.45/11.78 cnf(i_0_337209, plain, (~is_a_theorem(implies(implies(not(implies(x,y)),x),implies(not(implies(not(implies(x,y)),x)),implies(not(implies(x,y)),x))))), inference(closure_rule, [i_0_9])). % 11.45/11.78 cnf(i_0_337210, plain, (~is_a_theorem(implies(not(implies(x,y)),x))), inference(extension_rule, [i_0_6])). % 11.45/11.78 cnf(i_0_413428, plain, (~is_a_theorem(implies(implies(x,y),implies(not(implies(x,y)),x)))), inference(closure_rule, [i_0_9])). % 11.45/11.78 cnf(i_0_413429, plain, (~is_a_theorem(implies(x,y))), inference(etableau_closure_rule, [i_0_413429, ...])). % 11.45/11.78 # End printing tableau % 11.45/11.78 # SZS output end % 11.45/11.78 # Branches closed with saturation will be marked with an "s" % 11.45/11.78 # Returning from population with 4 new_tableaux and 0 remaining starting tableaux. % 11.45/11.78 # We now have 4 tableaux to operate on % 11.45/11.78 # Found closed tableau during pool population. % 11.45/11.78 # Proof search is over... % 11.45/11.78 # Freeing feature tree %------------------------------------------------------------------------------