%------------------------------------------------------------------------------ % File : Etableau---0.67 % Problem : LCL044-1 : TPTP v9.3.1. 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 : n019.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 12:00:30 PM UTC 2026 % Result : Unsatisfiable 0.12s 0.42s % Output : Assurance 0s % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.00/0.03 % Problem : LCL044-1 : TPTP v9.3.1. Released v1.0.0. % 0.00/0.04 % Command : etableau --auto --tsmdo --quicksat=10000 --tableau=1 --tableau-saturation=1 -s -p --tableau-cores=8 --cpu-limit=%d %s % 0.09/0.36 % Computer : n019.cluster.edu % 0.09/0.36 % Model : x86_64 x86_64 % 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.09/0.36 % Memory : 8046.5625MB % 0.09/0.36 % OS : Linux 6.8.0-71-generic % 0.09/0.36 % CPULimit : 300 % 0.09/0.36 % WCLimit : 300 % 0.09/0.36 % DateTime : Sat Sep 5 05:22:23 UTC 2026 % 0.12/0.36 % CPUTime : % 0.12/0.39 # No SInE strategy applied % 0.12/0.39 # Auto-Mode selected heuristic G_E___107_B00_00_F1_PI_AE_Q4_CS_SP_PS_S071I % 0.12/0.39 # and selection function SelectCQArEqLast. % 0.12/0.39 # % 0.12/0.39 # Presaturation interreduction done % 0.12/0.39 # Number of axioms: 7 Number of unprocessed: 7 % 0.12/0.39 # Tableaux proof search. % 0.12/0.39 # APR header successfully linked. % 0.12/0.39 # Hello from C++ % 0.12/0.42 # The folding up rule is enabled... % 0.12/0.42 # Local unification is enabled... % 0.12/0.42 # Any saturation attempts will use folding labels... % 0.12/0.42 # 7 beginning clauses after preprocessing and clausification % 0.12/0.42 # Creating start rules for all 1 conjectures. % 0.12/0.42 # There are 1 start rule candidates: % 0.12/0.42 # Found 6 unit axioms. % 0.12/0.42 # 1 start rule tableaux created. % 0.12/0.42 # 1 extension rule candidate clauses % 0.12/0.42 # 6 unit axiom clauses % 0.12/0.42 % 0.12/0.42 # Requested 8, 32 cores available to the main process. % 0.12/0.42 # There are not enough tableaux to fork, creating more from the initial 1 % 0.12/0.42 # There were 1 total branch saturation attempts. % 0.12/0.42 # There were 0 of these attempts blocked. % 0.12/0.42 # There were 0 deferred branch saturation attempts. % 0.12/0.42 # There were 0 free duplicated saturations. % 0.12/0.42 # There were 1 total successful branch saturations. % 0.12/0.42 # There were 0 successful branch saturations in interreduction. % 0.12/0.42 # There were 0 successful branch saturations on the branch. % 0.12/0.42 # There were 1 successful branch saturations after the branch. % 0.12/0.42 # SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p % 0.12/0.42 # SZS output start for /export/starexec/sandbox/benchmark/theBenchmark.p % 0.12/0.42 # Begin clausification derivation % 0.12/0.42 % 0.12/0.42 # End clausification derivation % 0.12/0.42 # Begin listing active clauses obtained from FOF to CNF conversion % 0.12/0.42 cnf(i_0_10, plain, (is_a_theorem(implies(X1,implies(X2,X1))))). % 0.12/0.42 cnf(i_0_9, plain, (is_a_theorem(implies(X1,implies(not(X1),X2))))). % 0.12/0.42 cnf(i_0_13, plain, (is_a_theorem(implies(implies(X1,X2),implies(implies(not(X1),X2),X2))))). % 0.12/0.42 cnf(i_0_12, plain, (is_a_theorem(implies(implies(X1,X2),implies(implies(X3,X1),implies(X3,X2)))))). % 0.12/0.42 cnf(i_0_11, plain, (is_a_theorem(implies(implies(X1,implies(X2,X3)),implies(X2,implies(X1,X3)))))). % 0.12/0.42 cnf(i_0_14, negated_conjecture, (~is_a_theorem(implies(a,not(not(a)))))). % 0.12/0.42 cnf(i_0_8, plain, (is_a_theorem(X1)|~is_a_theorem(implies(X2,X1))|~is_a_theorem(X2))). % 0.12/0.42 # End listing active clauses. There is an equivalent clause to each of these in the clausification! % 0.12/0.42 # Begin printing tableau % 0.12/0.42 # Found 6 steps % 0.12/0.42 cnf(i_0_14, negated_conjecture, (~is_a_theorem(implies(a,not(not(a))))), inference(start_rule)). % 0.12/0.42 cnf(i_0_15, plain, (~is_a_theorem(implies(a,not(not(a))))), inference(extension_rule, [i_0_8])). % 0.12/0.42 cnf(i_0_17, plain, (~is_a_theorem(implies(not(not(a)),implies(a,not(not(a)))))), inference(closure_rule, [i_0_10])). % 0.12/0.42 cnf(i_0_18, plain, (~is_a_theorem(not(not(a)))), inference(extension_rule, [i_0_8])). % 0.12/0.42 cnf(i_0_21, plain, (~is_a_theorem(implies(X1,implies(X2,X1)))), inference(closure_rule, [i_0_10])). % 0.12/0.42 cnf(i_0_20, plain, (~is_a_theorem(implies(implies(X1,implies(X2,X1)),not(not(a))))), inference(etableau_closure_rule, [i_0_20, ...])). % 0.12/0.42 # End printing tableau % 0.12/0.42 # SZS output end % 0.12/0.42 # Branches closed with saturation will be marked with an "s" % 0.12/0.42 # Returning from population with 1 new_tableaux and 0 remaining starting tableaux. % 0.12/0.42 # We now have 1 tableaux to operate on % 0.12/0.42 # Found closed tableau during pool population. % 0.12/0.42 # Proof search is over... % 0.12/0.42 # Freeing feature tree %------------------------------------------------------------------------------