%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : MSC014+1 : TPTP v8.1.0. Released v3.2.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %s % Computer : n016.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 Jul 27 13:06:19 EDT 2022 % Result : Unknown 1.63s 1.83s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.04/0.12 % Problem : MSC014+1 : TPTP v8.1.0. Released v3.2.0. % 0.04/0.13 % Command : otter-tptp-script %s % 0.13/0.34 % Computer : n016.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 : 300 % 0.13/0.34 % DateTime : Wed Jul 27 09:21:07 EDT 2022 % 0.13/0.34 % CPUTime : % 1.63/1.83 ----- Otter 3.3f, August 2004 ----- % 1.63/1.83 The process was started by sandbox on n016.cluster.edu, % 1.63/1.83 Wed Jul 27 09:21:07 2022 % 1.63/1.83 The command was "./otter". The process ID is 16473. % 1.63/1.83 % 1.63/1.83 set(prolog_style_variables). % 1.63/1.83 set(auto). % 1.63/1.83 dependent: set(auto1). % 1.63/1.83 dependent: set(process_input). % 1.63/1.83 dependent: clear(print_kept). % 1.63/1.83 dependent: clear(print_new_demod). % 1.63/1.83 dependent: clear(print_back_demod). % 1.63/1.83 dependent: clear(print_back_sub). % 1.63/1.83 dependent: set(control_memory). % 1.63/1.83 dependent: assign(max_mem, 12000). % 1.63/1.83 dependent: assign(pick_given_ratio, 4). % 1.63/1.83 dependent: assign(stats_level, 1). % 1.63/1.83 dependent: assign(max_seconds, 10800). % 1.63/1.83 clear(print_given). % 1.63/1.83 % 1.63/1.83 formula_list(usable). % 1.63/1.83 e_qualish(n0,n0). % 1.63/1.83 e_qualish(n1,n1). % 1.63/1.83 -e_qualish(n0,n1). % 1.63/1.83 -e_qualish(n1,n0). % 1.63/1.83 all X1 X2 X3 X4 (e_qualish(X1,X1)&e_qualish(X2,X2)&e_qualish(X3,X3)&e_qualish(X4,X4)-> (exists Z f(X1,X2,X3,X4,Z))). % 1.63/1.83 all X1 X2 X3 X4 Y1 Y2 Y3 Y4 Z (f(X1,X2,X3,X4,Z)&f(Y1,Y2,Y3,Y4,Z)->e_qualish(X1,Y1)&e_qualish(X2,Y2)&e_qualish(X3,Y3)&e_qualish(X4,Y4)). % 1.63/1.83 end_of_list. % 1.63/1.83 % 1.63/1.83 -------> usable clausifies to: % 1.63/1.83 % 1.63/1.83 list(usable). % 1.63/1.83 0 [] e_qualish(n0,n0). % 1.63/1.83 0 [] e_qualish(n1,n1). % 1.63/1.83 0 [] -e_qualish(n0,n1). % 1.63/1.83 0 [] -e_qualish(n1,n0). % 1.63/1.83 0 [] -e_qualish(X1,X1)| -e_qualish(X2,X2)| -e_qualish(X3,X3)| -e_qualish(X4,X4)|f(X1,X2,X3,X4,$f1(X1,X2,X3,X4)). % 1.63/1.83 0 [] -f(X1,X2,X3,X4,Z)| -f(Y1,Y2,Y3,Y4,Z)|e_qualish(X1,Y1). % 1.63/1.83 0 [] -f(X1,X2,X3,X4,Z)| -f(Y1,Y2,Y3,Y4,Z)|e_qualish(X2,Y2). % 1.63/1.83 0 [] -f(X1,X2,X3,X4,Z)| -f(Y1,Y2,Y3,Y4,Z)|e_qualish(X3,Y3). % 1.63/1.83 0 [] -f(X1,X2,X3,X4,Z)| -f(Y1,Y2,Y3,Y4,Z)|e_qualish(X4,Y4). % 1.63/1.83 end_of_list. % 1.63/1.83 % 1.63/1.83 SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=5. % 1.63/1.83 % 1.63/1.83 This is a Horn set without equality. The strategy will % 1.63/1.83 be hyperresolution, with satellites in sos and nuclei % 1.63/1.83 in usable. % 1.63/1.83 % 1.63/1.83 dependent: set(hyper_res). % 1.63/1.83 dependent: clear(order_hyper). % 1.63/1.83 % 1.63/1.83 ------------> process usable: % 1.63/1.83 ** KEPT (pick-wt=3): 1 [] -e_qualish(n0,n1). % 1.63/1.83 ** KEPT (pick-wt=3): 2 [] -e_qualish(n1,n0). % 1.63/1.83 ** KEPT (pick-wt=22): 3 [] -e_qualish(A,A)| -e_qualish(B,B)| -e_qualish(C,C)| -e_qualish(D,D)|f(A,B,C,D,$f1(A,B,C,D)). % 1.63/1.83 ** KEPT (pick-wt=15): 4 [] -f(A,B,C,D,E)| -f(F,G,H,I,E)|e_qualish(A,F). % 1.63/1.83 ** KEPT (pick-wt=15): 5 [] -f(A,B,C,D,E)| -f(F,G,H,I,E)|e_qualish(B,G). % 1.63/1.83 ** KEPT (pick-wt=15): 6 [] -f(A,B,C,D,E)| -f(F,G,H,I,E)|e_qualish(C,H). % 1.63/1.83 ** KEPT (pick-wt=15): 7 [] -f(A,B,C,D,E)| -f(F,G,H,I,E)|e_qualish(D,I). % 1.63/1.83 % 1.63/1.83 ------------> process sos: % 1.63/1.83 ** KEPT (pick-wt=3): 8 [] e_qualish(n0,n0). % 1.63/1.83 ** KEPT (pick-wt=3): 9 [] e_qualish(n1,n1). % 1.63/1.83 % 1.63/1.83 ======= end of input processing ======= % 1.63/1.83 % 1.63/1.83 =========== start of search =========== % 1.63/1.83 % 1.63/1.83 Search stopped because sos empty. % 1.63/1.83 % 1.63/1.83 % 1.63/1.83 Search stopped because sos empty. % 1.63/1.83 % 1.63/1.83 ============ end of search ============ % 1.63/1.83 % 1.63/1.83 -------------- statistics ------------- % 1.63/1.83 clauses given 18 % 1.63/1.83 clauses generated 164 % 1.63/1.83 clauses kept 25 % 1.63/1.83 clauses forward subsumed 148 % 1.63/1.83 clauses back subsumed 0 % 1.63/1.83 Kbytes malloced 976 % 1.63/1.83 % 1.63/1.83 ----------- times (seconds) ----------- % 1.63/1.83 user CPU time 0.00 (0 hr, 0 min, 0 sec) % 1.63/1.83 system CPU time 0.00 (0 hr, 0 min, 0 sec) % 1.63/1.83 wall-clock time 1 (0 hr, 0 min, 1 sec) % 1.63/1.83 % 1.63/1.83 Process 16473 finished Wed Jul 27 09:21:08 2022 % 1.63/1.83 Otter interrupted % 1.63/1.83 PROOF NOT FOUND %------------------------------------------------------------------------------