%------------------------------------------------------------------------------ % File : Prover9---1109a % Problem : MGT077+1 : TPTP v9.3.0. Released v9.3.0. % Transfm : none % Format : tptp:raw % Command : tptp2X_and_run_prover9 %d %s % Computer : n024.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 : Wed Apr 29 02:10:27 PM UTC 2026 % Result : Theorem 0.42s 0.75s % Output : Refutation 0.42s % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----WARNING: Could not form TPTP format derivation %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.00/0.06 % Problem : MGT077+1 : TPTP v9.3.0. Released v9.3.0. % 0.00/0.06 % Command : tptp2X_and_run_prover9 %d %s % 0.07/0.24 % Computer : n024.cluster.edu % 0.07/0.24 % Model : x86_64 x86_64 % 0.07/0.24 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.07/0.24 % Memory : 8042.1875MB % 0.07/0.24 % OS : Linux 3.10.0-693.el7.x86_64 % 0.07/0.24 % CPULimit : 300 % 0.07/0.24 % WCLimit : 300 % 0.07/0.24 % DateTime : Tue Apr 28 13:46:56 EDT 2026 % 0.07/0.24 % CPUTime : % 0.38/0.70 ============================== Prover9 =============================== % 0.38/0.70 Prover9 (32) version 2009-11A, November 2009. % 0.38/0.70 Process 28620 was started by sandbox on n024.cluster.edu, % 0.38/0.70 Tue Apr 28 13:46:57 2026 % 0.38/0.70 The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_28467_n024.cluster.edu". % 0.38/0.70 ============================== end of head =========================== % 0.38/0.70 % 0.38/0.70 ============================== INPUT ================================= % 0.38/0.70 % 0.38/0.70 % Reading from file /tmp/Prover9_28467_n024.cluster.edu % 0.38/0.70 % 0.38/0.70 set(prolog_style_variables). % 0.38/0.70 set(auto2). % 0.38/0.70 % set(auto2) -> set(auto). % 0.38/0.70 % set(auto) -> set(auto_inference). % 0.38/0.70 % set(auto) -> set(auto_setup). % 0.38/0.70 % set(auto_setup) -> set(predicate_elim). % 0.38/0.70 % set(auto_setup) -> assign(eq_defs, unfold). % 0.38/0.70 % set(auto) -> set(auto_limits). % 0.38/0.70 % set(auto_limits) -> assign(max_weight, "100.000"). % 0.38/0.70 % set(auto_limits) -> assign(sos_limit, 20000). % 0.38/0.70 % set(auto) -> set(auto_denials). % 0.38/0.70 % set(auto) -> set(auto_process). % 0.38/0.70 % set(auto2) -> assign(new_constants, 1). % 0.38/0.70 % set(auto2) -> assign(fold_denial_max, 3). % 0.38/0.70 % set(auto2) -> assign(max_weight, "200.000"). % 0.38/0.70 % set(auto2) -> assign(max_hours, 1). % 0.38/0.70 % assign(max_hours, 1) -> assign(max_seconds, 3600). % 0.38/0.70 % set(auto2) -> assign(max_seconds, 0). % 0.38/0.70 % set(auto2) -> assign(max_minutes, 5). % 0.38/0.70 % assign(max_minutes, 5) -> assign(max_seconds, 300). % 0.38/0.70 % set(auto2) -> set(sort_initial_sos). % 0.38/0.70 % set(auto2) -> assign(sos_limit, -1). % 0.38/0.70 % set(auto2) -> assign(lrs_ticks, 3000). % 0.38/0.70 % set(auto2) -> assign(max_megs, 400). % 0.38/0.70 % set(auto2) -> assign(stats, some). % 0.38/0.70 % set(auto2) -> clear(echo_input). % 0.38/0.70 % set(auto2) -> set(quiet). % 0.38/0.70 % set(auto2) -> clear(print_initial_clauses). % 0.38/0.70 % set(auto2) -> clear(print_given). % 0.38/0.70 assign(lrs_ticks,-1). % 0.38/0.70 assign(sos_limit,10000). % 0.38/0.70 assign(order,kbo). % 0.38/0.70 set(lex_order_vars). % 0.38/0.70 clear(print_given). % 0.38/0.70 % 0.38/0.70 % formulas(sos). % not echoed (45 formulas) % 0.38/0.70 % 0.38/0.70 ============================== end of input ========================== % 0.38/0.70 % 0.38/0.70 % From the command line: assign(max_seconds, 300). % 0.38/0.70 % 0.38/0.70 ============================== PROCESS NON-CLAUSAL FORMULAS ========== % 0.38/0.70 % 0.38/0.70 % Formulas that are not ordinary clauses: % 0.38/0.70 1 (all X -less(X,X)) # label(irreflexive) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 2 (all X all Y all Z (less(X,Y) & less(Y,Z) -> less(X,Z))) # label(transitive) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 3 (all X all Y (less(X,Y) | X = Y | less(Y,X))) # label(trichotomy) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 4 (all X all Y (leq(X,Y) <-> less(X,Y) | X = Y)) # label(leq_def) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 5 (all X all Y (leq(X,Y) & leq(Y,X) -> X = Y)) # label(leq_antisym) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 6 (all X all Y (less(X,Y) -> leq(X,Y))) # label(less_implies_leq) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 7 (all X all Y all Z (leq(X,Y) & less(Y,Z) -> less(X,Z))) # label(leq_less_trans) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 8 (all X all Y all Z (less(X,Y) & leq(Y,Z) -> less(X,Z))) # label(less_leq_trans) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 9 (all X all Y all Z (leq(X,Y) & leq(Y,Z) -> leq(X,Z))) # label(leq_trans) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 10 (all X all Y (less(X,Y) -> (exists Z (less(X,Z) & less(Z,Y))))) # label(dense) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 11 (all X all A all B (in_closed(X,A,B) <-> leq(A,X) & leq(X,B))) # label(in_closed) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 12 (all X all A all B (in_lopen(X,A,B) <-> less(A,X) & leq(X,B))) # label(in_lopen) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 13 (all X all A all B (in_ropen(X,A,B) <-> leq(A,X) & less(X,B))) # label(in_ropen) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 14 (all X all A all B (in_open(X,A,B) <-> less(A,X) & less(X,B))) # label(in_open) # label(axiom) # label(non_clause). [assumption]. % 0.38/0.70 15 (all I1lo all I1hi all I2lo all I2hi (axis_conflict(I1lo,I1hi,I2lo,I2hi) <-> -(exists X (in_closed(X,I1lo,I1hi) & in_closed(X,I2lo,I2hi))))) # label(axis_conflict_def) # label(axiom) # label(non_clause). [assumption]. % 0.42/0.70 16 (all I1lo all I1hi all I2lo all I2hi (axis_compatible(I1lo,I1hi,I2lo,I2hi) <-> (exists X (in_closed(X,I1lo,I1hi) & in_closed(X,I2lo,I2hi))))) # label(axis_compatible_def) # label(axiom) # label(non_clause). [assumption]. % 0.42/0.70 17 (all I1lo all I1hi all I2lo all I2hi (axis_subsumes(I1lo,I1hi,I2lo,I2hi) <-> (all X (in_closed(X,I1lo,I1hi) -> in_closed(X,I2lo,I2hi))))) # label(axis_subsumes_def) # label(axiom) # label(non_clause). [assumption]. % 0.42/0.70 18 (all V (is_verdict(V) -> V = conflict | V = compatible | V = unknown)) # label(verdict_enum) # label(axiom) # label(non_clause). [assumption]. % 0.42/0.70 19 (all V1 all V2 (is_verdict(V1) & is_verdict(V2) & (V1 = conflict | V2 = conflict) -> box_verdict(V1,V2) = conflict)) # label(box_conflict) # label(axiom) # label(non_clause). [assumption]. % 0.42/0.70 20 (all V1 all V2 (is_verdict(V1) & is_verdict(V2) & V1 = compatible & V2 = compatible -> box_verdict(V1,V2) = compatible)) # label(box_compatible) # label(axiom) # label(non_clause). [assumption]. % 0.42/0.70 21 (all V1 all V2 (is_verdict(V1) & is_verdict(V2) & (V1 = unknown | V2 = unknown) & V1 != conflict & V2 != conflict -> box_verdict(V1,V2) = unknown)) # label(box_unknown) # label(axiom) # label(non_clause). [assumption]. % 0.42/0.70 22 (all V1 all V2 (is_verdict(V1) & is_verdict(V2) -> box_verdict(V1,V2) = conflict | box_verdict(V1,V2) = compatible | box_verdict(V1,V2) = unknown)) # label(box_verdict_total) # label(axiom) # label(non_clause). [assumption]. % 0.42/0.70 23 -(exists X exists Y (less(v200,X) & in_open(X,v0,v800) & less(v100,Y) & in_open(Y,v0,v500))) # label(odrl327) # label(negated_conjecture) # label(non_clause). [assumption]. % 0.42/0.70 % 0.42/0.70 ============================== end of process non-clausal formulas === % 0.42/0.70 % 0.42/0.70 ============================== PROCESS INITIAL CLAUSES =============== % 0.42/0.70 % 0.42/0.70 ============================== PREDICATE ELIMINATION ================= % 0.42/0.70 24 -axis_conflict(A,B,C,D) | -in_closed(E,A,B) | -in_closed(E,C,D) # label(axis_conflict_def) # label(axiom). [clausify(15)]. % 0.42/0.70 25 axis_conflict(A,B,C,D) | in_closed(f2(A,B,C,D),A,B) # label(axis_conflict_def) # label(axiom). [clausify(15)]. % 0.42/0.70 26 axis_conflict(A,B,C,D) | in_closed(f2(A,B,C,D),C,D) # label(axis_conflict_def) # label(axiom). [clausify(15)]. % 0.42/0.70 Derived: -in_closed(A,B,C) | -in_closed(A,D,E) | in_closed(f2(B,C,D,E),B,C). [resolve(24,a,25,a)]. % 0.42/0.70 Derived: -in_closed(A,B,C) | -in_closed(A,D,E) | in_closed(f2(B,C,D,E),D,E). [resolve(24,a,26,a)]. % 0.42/0.70 27 -axis_subsumes(A,B,C,D) | -in_closed(E,A,B) | in_closed(E,C,D) # label(axis_subsumes_def) # label(axiom). [clausify(17)]. % 0.42/0.70 28 axis_subsumes(A,B,C,D) | in_closed(f4(A,B,C,D),A,B) # label(axis_subsumes_def) # label(axiom). [clausify(17)]. % 0.42/0.70 Derived: -in_closed(A,B,C) | in_closed(A,D,E) | in_closed(f4(B,C,D,E),B,C). [resolve(27,a,28,a)]. % 0.42/0.70 29 axis_subsumes(A,B,C,D) | -in_closed(f4(A,B,C,D),C,D) # label(axis_subsumes_def) # label(axiom). [clausify(17)]. % 0.42/0.70 Derived: -in_closed(f4(A,B,C,D),C,D) | -in_closed(E,A,B) | in_closed(E,C,D). [resolve(29,a,27,a)]. % 0.42/0.70 30 in_lopen(A,B,C) | -less(B,A) | -leq(A,C) # label(in_lopen) # label(axiom). [clausify(12)]. % 0.42/0.70 31 -in_lopen(A,B,C) | less(B,A) # label(in_lopen) # label(axiom). [clausify(12)]. % 0.42/0.70 32 -in_lopen(A,B,C) | leq(A,C) # label(in_lopen) # label(axiom). [clausify(12)]. % 0.42/0.70 33 in_ropen(A,B,C) | -leq(B,A) | -less(A,C) # label(in_ropen) # label(axiom). [clausify(13)]. % 0.42/0.70 34 -in_ropen(A,B,C) | leq(B,A) # label(in_ropen) # label(axiom). [clausify(13)]. % 0.42/0.70 35 -in_ropen(A,B,C) | less(A,C) # label(in_ropen) # label(axiom). [clausify(13)]. % 0.42/0.70 36 axis_compatible(A,B,C,D) | -in_closed(E,A,B) | -in_closed(E,C,D) # label(axis_compatible_def) # label(axiom). [clausify(16)]. % 0.42/0.70 37 -axis_compatible(A,B,C,D) | in_closed(f3(A,B,C,D),A,B) # label(axis_compatible_def) # label(axiom). [clausify(16)]. % 0.42/0.70 38 -axis_compatible(A,B,C,D) | in_closed(f3(A,B,C,D),C,D) # label(axis_compatible_def) # label(axiom). [clausify(16)]. % 0.42/0.70 Derived: -in_closed(A,B,C) | -in_closed(A,D,E) | in_closed(f3(B,C,D,E),B,C). [resolve(36,a,37,a)]. % 0.42/0.70 Derived: -in_closed(A,B,C) | -in_closed(A,D,E) | in_closed(f3(B,C,D,E),D,E). [resolve(36,a,38,a)]. % 0.42/0.70 % 0.42/0.70 ============================== end predicate elimination ============= % 0.42/0.75 % 0.42/0.75 Auto_denials: (non-Horn, no changes). % 0.42/0.75 % 0.42/0.75 Term ordering decisions: % 0.42/0.75 Function symbol KB weights: conflict=1. unknown=1. compatible=1. v0=1. v100=1. v200=1. v500=1. v800=1. box_verdict=1. f1=1. f2=1. f3=1. f4=1. % 0.42/0.75 % 0.42/0.75 ============================== end of process initial clauses ======== % 0.42/0.75 % 0.42/0.75 ============================== CLAUSES FOR SEARCH ==================== % 0.42/0.75 % 0.42/0.75 ============================== end of clauses for search ============= % 0.42/0.75 % 0.42/0.75 ============================== SEARCH ================================ % 0.42/0.75 % 0.42/0.75 % Starting search at 0.01 seconds. % 0.42/0.75 % 0.42/0.75 ============================== PROOF ================================= % 0.42/0.75 % SZS status Theorem % 0.42/0.75 % SZS output start Refutation % 0.42/0.75 % 0.42/0.75 % Proof 1 at 0.06 (+ 0.01) seconds. % 0.42/0.75 % Length of proof is 14. % 0.42/0.75 % Level of proof is 5. % 0.42/0.75 % Maximum clause weight is 14.000. % 0.42/0.75 % Given clauses 359. % 0.42/0.75 % 0.42/0.75 14 (all X all A all B (in_open(X,A,B) <-> less(A,X) & less(X,B))) # label(in_open) # label(axiom) # label(non_clause). [assumption]. % 0.42/0.75 23 -(exists X exists Y (less(v200,X) & in_open(X,v0,v800) & less(v100,Y) & in_open(Y,v0,v500))) # label(odrl327) # label(negated_conjecture) # label(non_clause). [assumption]. % 0.42/0.75 43 less(v0,v200) # label(ord_v0_v200) # label(axiom). [assumption]. % 0.42/0.75 44 less(v0,v500) # label(ord_v0_v500) # label(axiom). [assumption]. % 0.42/0.75 46 less(v100,v200) # label(ord_v100_v200) # label(axiom). [assumption]. % 0.42/0.75 49 less(v200,v500) # label(ord_v200_v500) # label(axiom). [assumption]. % 0.42/0.75 51 less(v500,v800) # label(ord_v500_v800) # label(axiom). [assumption]. % 0.42/0.75 59 -less(v200,A) | -in_open(A,v0,v800) | -less(v100,B) | -in_open(B,v0,v500) # label(odrl327) # label(negated_conjecture). [clausify(23)]. % 0.42/0.75 75 in_open(A,B,C) | -less(B,A) | -less(A,C) # label(in_open) # label(axiom). [clausify(14)]. % 0.42/0.75 195 in_open(v500,v0,A) | -less(v500,A). [resolve(75,b,44,a)]. % 0.42/0.75 196 in_open(v200,v0,A) | -less(v200,A). [resolve(75,b,43,a)]. % 0.42/0.75 1359 in_open(v500,v0,v800). [resolve(195,b,51,a)]. % 0.42/0.75 1376 -in_open(v200,v0,v500). [ur(59,a,49,a,b,1359,a,c,46,a)]. % 0.42/0.75 1383 $F. [resolve(196,b,49,a),unit_del(a,1376)]. % 0.42/0.75 % 0.42/0.75 % SZS output end Refutation % 0.42/0.75 ============================== end of proof ========================== % 0.42/0.75 % 0.42/0.75 ============================== STATISTICS ============================ % 0.42/0.75 % 0.42/0.75 Given=359. Generated=4180. Kept=1336. proofs=1. % 0.42/0.75 Usable=358. Sos=968. Demods=3. Limbo=6, Disabled=74. Hints=0. % 0.42/0.75 Megabytes=0.94. % 0.42/0.75 User_CPU=0.06, System_CPU=0.01, Wall_clock=0. % 0.42/0.75 % 0.42/0.75 ============================== end of statistics ===================== % 0.42/0.75 % 0.42/0.75 ============================== end of search ========================= % 0.42/0.75 % 0.42/0.75 THEOREM PROVED % 0.42/0.75 % SZS status Theorem % 0.42/0.75 % 0.42/0.75 Exiting with 1 proof. % 0.42/0.75 % 0.42/0.75 Process 28620 exit (max_proofs) Tue Apr 28 13:46:57 2026 % 0.42/0.75 Prover9 interrupted %------------------------------------------------------------------------------