%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : PUZ009-1 : TPTP v9.2.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n018.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 : Tue May 5 05:02:05 PM UTC 2026
% Result : Unsatisfiable 0.24s 1.61s
% Output : CNFRefutation 0.24s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11 % Problem : PUZ009-1 : TPTP v9.2.1. Released v1.0.0.
% 0.00/0.11 % Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.14/0.32 % Computer : n018.cluster.edu
% 0.14/0.32 % Model : x86_64 x86_64
% 0.14/0.32 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.32 % Memory : 8042.1875MB
% 0.14/0.32 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.32 % CPULimit : 300
% 0.14/0.32 % WCLimit : 300
% 0.14/0.32 % DateTime : Tue May 5 01:32:32 EDT 2026
% 0.14/0.32 % CPUTime :
% 0.14/0.33 % start to proof: theBenchmark
% 0.24/1.61 % Version : CSE_E---1.7
% 0.24/1.61 % Problem : theBenchmark.p
% 0.24/1.61 % SZS status Unsatisfiable for theBenchmark.p
% 0.24/1.61 % SZS output start CNFRefutation
% 0.24/1.61 cnf(c10, axiom, (c_is_a_knight|~e_is_a_knight|~d_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c10)).
% 0.24/1.61 cnf(c15, axiom, (c_is_a_knight|~a_is_a_knight|~e_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c15)).
% 0.24/1.61 cnf(c14, axiom, (d_is_a_knight|c_is_a_knight|~b_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c14)).
% 0.24/1.61 cnf(c5, axiom, (c_is_a_knight|d_is_a_knight|~b_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c5)).
% 0.24/1.61 cnf(c9, axiom, (~d_is_a_knight|~c_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c9)).
% 0.24/1.61 cnf(c6, axiom, (~c_is_a_knight|~d_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c6)).
% 0.24/1.61 cnf(c7, axiom, (~d_is_a_knight|~a_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c7)).
% 0.24/1.61 cnf(c2, axiom, (~a_is_a_knight|~d_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c2)).
% 0.24/1.61 cnf(c3, axiom, (~b_is_a_knight|~a_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c3)).
% 0.24/1.61 cnf(c1, axiom, (~a_is_a_knight|~b_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c1)).
% 0.24/1.61 cnf(c13, axiom, (d_is_a_knight|a_is_a_knight|c_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c13)).
% 0.24/1.61 cnf(c12, axiom, (e_is_a_knight|~c_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c12)).
% 0.24/1.61 cnf(c8, axiom, (b_is_a_knight|~d_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c8)).
% 0.24/1.61 cnf(c17, axiom, (a_is_a_knight|~c_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c17)).
% 0.24/1.61 cnf(c11, axiom, (e_is_a_knight|d_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c11)).
% 0.24/1.61 cnf(c16, axiom, (a_is_a_knight|e_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c16)).
% 0.24/1.61 cnf(c4, axiom, (b_is_a_knight|a_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c4)).
% 0.24/1.61 cnf(c18, negated_conjecture, (b_is_a_knight), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', c18)).
% 0.24/1.61 cnf(i_0_18, axiom, (c_is_a_knight|~e_is_a_knight|~d_is_a_knight), c10, ['final']).
% 0.24/1.61 cnf(i_0_19, axiom, (c_is_a_knight|~a_is_a_knight|~e_is_a_knight), c15, ['final']).
% 0.24/1.61 cnf(i_0_20, axiom, (d_is_a_knight|c_is_a_knight|~b_is_a_knight), c14, ['final']).
% 0.24/1.61 cnf(i_0_21, axiom, (c_is_a_knight|d_is_a_knight|~b_is_a_knight), c5, ['final']).
% 0.24/1.61 cnf(i_0_22, axiom, (~d_is_a_knight|~c_is_a_knight), c9, ['final']).
% 0.24/1.61 cnf(i_0_23, axiom, (~c_is_a_knight|~d_is_a_knight), c6, ['final']).
% 0.24/1.61 cnf(i_0_24, axiom, (~d_is_a_knight|~a_is_a_knight), c7, ['final']).
% 0.24/1.61 cnf(i_0_25, axiom, (~a_is_a_knight|~d_is_a_knight), c2, ['final']).
% 0.24/1.61 cnf(i_0_26, axiom, (~b_is_a_knight|~a_is_a_knight), c3, ['final']).
% 0.24/1.61 cnf(i_0_27, axiom, (~a_is_a_knight|~b_is_a_knight), c1, ['final']).
% 0.24/1.61 cnf(i_0_28, axiom, (d_is_a_knight|a_is_a_knight|c_is_a_knight), c13, ['final']).
% 0.24/1.61 cnf(i_0_29, axiom, (e_is_a_knight|~c_is_a_knight), c12, ['final']).
% 0.24/1.61 cnf(i_0_30, axiom, (b_is_a_knight|~d_is_a_knight), c8, ['final']).
% 0.24/1.61 cnf(i_0_31, axiom, (a_is_a_knight|~c_is_a_knight), c17, ['final']).
% 0.24/1.61 cnf(i_0_32, axiom, (e_is_a_knight|d_is_a_knight), c11, ['final']).
% 0.24/1.61 cnf(i_0_33, axiom, (a_is_a_knight|e_is_a_knight), c16, ['final']).
% 0.24/1.61 cnf(i_0_34, axiom, (b_is_a_knight|a_is_a_knight), c4, ['final']).
% 0.24/1.61 cnf(i_0_35, negated_conjecture, (b_is_a_knight), c18, ['final']).
% 0.24/1.64 cnf(i_0_36, plain, (c_is_a_knight|d_is_a_knight), inference(scs_inference,[],[i_0_35,i_0_21])).
% 0.24/1.64 cnf(i_0_37, plain, (~a_is_a_knight), inference(scs_inference,[],[i_0_35,i_0_27])).
% 0.24/1.64 cnf(i_0_38, plain, (d_is_a_knight|c_is_a_knight), inference(scs_inference,[],[i_0_37,i_0_28])).
% 0.24/1.64 cnf(i_0_39, plain, (~c_is_a_knight), inference(scs_inference,[],[i_0_37,i_0_31])).
% 0.24/1.64 cnf(i_0_40, plain, (e_is_a_knight), inference(scs_inference,[],[i_0_37,i_0_33])).
% 0.24/1.64 cnf(i_0_41, plain, (~d_is_a_knight), inference(scs_inference,[],[i_0_39,i_0_40,i_0_18])).
% 0.24/1.64 cnf(i_0_42, plain, (~a_is_a_knight), inference(scs_inference,[],[i_0_39,i_0_40,i_0_19])).
% 0.24/1.64 cnf(i_0_43, plain, (d_is_a_knight), inference(scs_inference,[],[i_0_39,i_0_36])).
% 0.24/1.64 cnf(i_0_44,plain, ($false), inference(scs_inference,[],[i_0+43, i_0_41]), ['proof']).
% 0.24/1.64 % SZS output end CNFRefutation
% 0.24/1.64 % Total time : 1.271s
%------------------------------------------------------------------------------