%------------------------------------------------------------------------------
% File : SOS---2.0
% Problem : SWV255-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : sos-script %s
% Computer : n029.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 : Wed Jul 20 21:37:32 EDT 2022
% Result : Unsatisfiable 1.08s 1.26s
% Output : Refutation 1.08s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SWV255-2 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.13 % Command : sos-script %s
% 0.12/0.34 % Computer : n029.cluster.edu
% 0.12/0.34 % Model : x86_64 x86_64
% 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34 % Memory : 8042.1875MB
% 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 600
% 0.12/0.34 % DateTime : Tue Jun 14 18:56:26 EDT 2022
% 0.12/0.34 % CPUTime :
% 0.12/0.36 ----- Otter 3.2, August 2001 -----
% 0.12/0.36 The process was started by sandbox2 on n029.cluster.edu,
% 0.12/0.36 Tue Jun 14 18:56:26 2022
% 0.12/0.36 The command was "./sos". The process ID is 15238.
% 0.12/0.36
% 0.12/0.36 set(prolog_style_variables).
% 0.12/0.36 set(auto).
% 0.12/0.36 dependent: set(auto1).
% 0.12/0.36 dependent: set(process_input).
% 0.12/0.36 dependent: clear(print_kept).
% 0.12/0.36 dependent: clear(print_new_demod).
% 0.12/0.36 dependent: clear(print_back_demod).
% 0.12/0.36 dependent: clear(print_back_sub).
% 0.12/0.36 dependent: set(control_memory).
% 0.12/0.36 dependent: assign(max_mem, 12000).
% 0.12/0.36 dependent: assign(pick_given_ratio, 4).
% 0.12/0.36 dependent: assign(stats_level, 1).
% 0.12/0.36 dependent: assign(pick_semantic_ratio, 3).
% 0.12/0.36 dependent: assign(sos_limit, 5000).
% 0.12/0.36 dependent: assign(max_weight, 60).
% 0.12/0.36 clear(print_given).
% 0.12/0.36
% 0.12/0.36 list(usable).
% 0.12/0.36
% 0.12/0.36 SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=2.
% 0.12/0.36
% 0.12/0.36 This is a non-Horn set without equality. The strategy
% 0.12/0.36 will be ordered hyper_res, ur_res, unit deletion, and
% 0.12/0.36 factoring, with satellites in sos and nuclei in usable.
% 0.12/0.36
% 0.12/0.36 dependent: set(hyper_res).
% 0.12/0.36 dependent: set(factor).
% 0.12/0.36 dependent: set(unit_deletion).
% 0.12/0.36
% 0.12/0.36 ------------> process usable:
% 0.12/0.36
% 0.12/0.36 ------------> process sos:
% 0.12/0.36
% 0.12/0.36 ======= end of input processing =======
% 1.08/1.26
% 1.08/1.26 Stopped by limit on insertions
% 1.08/1.26
% 1.08/1.26 Stopped by limit on insertions
% 1.08/1.26
% 1.08/1.26 Stopped by limit on insertions
% 1.08/1.26
% 1.08/1.26 Stopped by limit on insertions
% 1.08/1.26
% 1.08/1.26 Stopped by limit on insertions
% 1.08/1.26
% 1.08/1.26
% 1.08/1.26 Failed to model usable list: disabling FINDER
% 1.08/1.26
% 1.08/1.26
% 1.08/1.26
% 1.08/1.26 -------------- Softie stats --------------
% 1.08/1.26
% 1.08/1.26 UPDATE_STOP: 300
% 1.08/1.26 SFINDER_TIME_LIMIT: 2
% 1.08/1.26 SHORT_CLAUSE_CUTOFF: 4
% 1.08/1.26 number of clauses in intial UL: 4
% 1.08/1.26 number of clauses initially in problem: 6
% 1.08/1.26 percentage of clauses intially in UL: 66
% 1.08/1.26 percentage of distinct symbols occuring in initial UL: 92
% 1.08/1.26 percent of all initial clauses that are short: 83
% 1.08/1.26 absolute distinct symbol count: 14
% 1.08/1.26 distinct predicate count: 2
% 1.08/1.26 distinct function count: 5
% 1.08/1.26 distinct constant count: 7
% 1.08/1.26
% 1.08/1.26 ---------- no more Softie stats ----------
% 1.08/1.26
% 1.08/1.26
% 1.08/1.26
% 1.08/1.26 =========== start of search ===========
% 1.08/1.26
% 1.08/1.26 -------- PROOF --------
% 1.08/1.26 % SZS status Unsatisfiable
% 1.08/1.26 % SZS output start Refutation
% 1.08/1.26
% 1.08/1.26 -----> EMPTY CLAUSE at 0.87 sec ----> 39 [hyper,19,1,13] {-} $F.
% 1.08/1.26
% 1.08/1.26 Length of proof is 5. Level of proof is 3.
% 1.08/1.26
% 1.08/1.26 ---------------- PROOF ----------------
% 1.08/1.26 % SZS status Unsatisfiable
% 1.08/1.26 % SZS output start Refutation
% 1.08/1.26
% 1.08/1.26 1 [] {+} -c_in(c_Message_Omsg_ONonce(A),c_Message_Oparts(c_insert(v_msg1,c_emptyset,tc_Message_Omsg)),tc_Message_Omsg)| -c_lessequals(v_x,A,tc_nat).
% 1.08/1.26 2 [] {+} -c_in(c_Message_Omsg_ONonce(A),c_Message_Oparts(c_insert(v_msg2,c_emptyset,tc_Message_Omsg)),tc_Message_Omsg)| -c_lessequals(v_xa,A,tc_nat).
% 1.08/1.26 3 [] {+} -c_lessequals(c_plus(A,B,tc_nat),C,tc_nat)|c_lessequals(B,C,tc_nat).
% 1.08/1.26 4 [] {+} -c_lessequals(c_plus(A,B,tc_nat),C,tc_nat)|c_lessequals(A,C,tc_nat).
% 1.08/1.26 5 [] {-} c_lessequals(A,v_xb(A),tc_nat).
% 1.08/1.26 6 [] {-} c_in(c_Message_Omsg_ONonce(v_xb(A)),c_Message_Oparts(c_insert(v_msg2,c_emptyset,tc_Message_Omsg)),tc_Message_Omsg)|c_in(c_Message_Omsg_ONonce(v_xb(A)),c_Message_Oparts(c_insert(v_msg1,c_emptyset,tc_Message_Omsg)),tc_Message_Omsg).
% 1.08/1.26 7 [hyper,5,4] {-} c_lessequals(A,v_xb(c_plus(A,B,tc_nat)),tc_nat).
% 1.08/1.26 8 [hyper,5,3] {-} c_lessequals(A,v_xb(c_plus(B,A,tc_nat)),tc_nat).
% 1.08/1.26 9 [hyper,7,4] {-} c_lessequals(A,v_xb(c_plus(c_plus(A,B,tc_nat),C,tc_nat)),tc_nat).
% 1.08/1.26 13 [hyper,9,4] {-} c_lessequals(A,v_xb(c_plus(c_plus(c_plus(A,B,tc_nat),C,tc_nat),D,tc_nat)),tc_nat).
% 1.08/1.26 19 [hyper,6,2,8] {-} c_in(c_Message_Omsg_ONonce(v_xb(c_plus(A,v_xa,tc_nat))),c_Message_Oparts(c_insert(v_msg1,c_emptyset,tc_Message_Omsg)),tc_Message_Omsg).
% 1.08/1.26 39 [hyper,19,1,13] {-} $F.
% 1.08/1.26
% 1.08/1.26 % SZS output end Refutation
% 1.08/1.26 ------------ end of proof -------------
% 1.08/1.26
% 1.08/1.26
% 1.08/1.26 Search stopped by max_proofs option.
% 1.08/1.26
% 1.08/1.26
% 1.08/1.26 Search stopped by max_proofs option.
% 1.08/1.26
% 1.08/1.26 ============ end of search ============
% 1.08/1.26
% 1.08/1.26 That finishes the proof of the theorem.
% 1.08/1.26
% 1.08/1.26 Process 15238 finished Tue Jun 14 18:56:27 2022
%------------------------------------------------------------------------------