%------------------------------------------------------------------------------ % File : cvc5---1.3.4 % Problem : PUZ035-4 : TPTP v9.2.1. Released v2.0.0. % Transfm : none % Format : tptp:raw % Command : /export/starexec/sandbox/solver/bin/do_cvc5 /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM % Computer : n015.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 Jun 3 08:44:01 AM UTC 2026 % Result : Unsatisfiable 0.39s 0.57s % Output : Proof 0.39s % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----WARNING: Could not form TPTP format derivation %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.00/0.12 % Problem : PUZ035-4 : TPTP v9.2.1. Released v2.0.0. % 0.12/0.13 % Command : /export/starexec/sandbox/solver/bin/do_cvc5 /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM % 0.17/0.34 % Computer : n015.cluster.edu % 0.17/0.34 % Model : x86_64 x86_64 % 0.17/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.17/0.34 % Memory : 8042.1875MB % 0.17/0.34 % OS : Linux 3.10.0-693.el7.x86_64 % 0.17/0.34 % CPULimit : 300 % 0.17/0.34 % WCLimit : 300 % 0.17/0.34 % DateTime : Tue Jun 2 13:13:19 EDT 2026 % 0.17/0.34 % CPUTime : % 0.31/0.50 %----Proving TF0_NAR, FOF, or CNF % 0.31/0.51 --- Run --decision=internal --simplification=none --no-inst-no-entail --no-cbqi --full-saturate-quant at 15... % 0.39/0.57 % SZS status Unsatisfiable % 0.39/0.57 % SZS output start Proof % 0.39/0.57 ( % 0.39/0.57 (declare-sort $$unsorted 0) % 0.39/0.57 (declare-const tptp.not (-> $$unsorted $$unsorted)) % 0.39/0.57 (declare-const tptp.asked $$unsorted) % 0.39/0.57 (declare-const tptp.person (-> $$unsorted Bool)) % 0.39/0.57 (declare-const tptp.knight $$unsorted) % 0.39/0.57 (declare-const tptp.or (-> $$unsorted $$unsorted $$unsorted)) % 0.39/0.57 (declare-const tptp.truth (-> $$unsorted Bool)) % 0.39/0.57 (declare-const tptp.other $$unsorted) % 0.39/0.57 (declare-const tptp.says (-> $$unsorted $$unsorted Bool)) % 0.39/0.57 (declare-const tptp.isa (-> $$unsorted $$unsorted $$unsorted)) % 0.39/0.57 (declare-const tptp.knave $$unsorted) % 0.39/0.57 (define @t1 () (@var "P" $$unsorted)) % 0.39/0.57 (define @t2 () (tptp.truth (tptp.isa @t1 tptp.knave))) % 0.39/0.57 (define @t3 () (tptp.truth (tptp.isa @t1 tptp.knight))) % 0.39/0.57 (define @t4 () (@list @t1)) % 0.39/0.57 (define @t5 () (forall @t4 (or (not (tptp.person @t1)) @t3 @t2))) % 0.39/0.57 (define @t6 () (not @t3)) % 0.39/0.57 (define @t7 () (@var "S" $$unsorted)) % 0.39/0.57 (define @t8 () (not (tptp.says @t1 @t7))) % 0.39/0.57 (define @t9 () (tptp.truth @t7)) % 0.39/0.57 (define @t10 () (not @t9)) % 0.39/0.57 (define @t11 () (tptp.isa tptp.other tptp.knight)) % 0.39/0.57 (define @t12 () (tptp.isa tptp.asked tptp.knight)) % 0.39/0.57 (define @t13 () (tptp.or @t12 @t11)) % 0.39/0.57 (define @t14 () (tptp.not @t13)) % 0.39/0.57 (define @t15 () (tptp.says tptp.asked @t14)) % 0.39/0.57 (define @t16 () (tptp.says tptp.asked @t13)) % 0.39/0.57 (define @t17 () (@var "Anyone" $$unsorted)) % 0.39/0.57 (define @t18 () (tptp.not @t7)) % 0.39/0.57 (define @t19 () (tptp.truth @t18)) % 0.39/0.57 (define @t20 () (@list @t7 @t17)) % 0.39/0.57 (define @t21 () (@list @t7)) % 0.39/0.57 (define @t22 () (@var "S2" $$unsorted)) % 0.39/0.57 (define @t23 () (@var "S1" $$unsorted)) % 0.39/0.57 (define @t24 () (tptp.truth @t22)) % 0.39/0.57 (define @t25 () (tptp.truth @t23)) % 0.39/0.57 (define @t26 () (@var "Anything" $$unsorted)) % 0.39/0.57 (define @t27 () (tptp.person tptp.asked)) % 0.39/0.57 (define @t28 () (tptp.person tptp.other)) % 0.39/0.57 (define @t29 () (not (tptp.says tptp.asked @t7))) % 0.39/0.57 (define @t30 () (@var "P2" $$unsorted)) % 0.39/0.57 (define @t31 () (not (tptp.truth (tptp.isa tptp.other @t30)))) % 0.39/0.57 (define @t32 () (@var "P1" $$unsorted)) % 0.39/0.57 (define @t33 () (not (tptp.truth (tptp.isa tptp.asked @t32)))) % 0.39/0.57 (define @t34 () (forall (@list @t32 @t30 @t7) (or @t33 @t31 @t29))) % 0.39/0.57 (define @t35 () (@list @t12 @t11)) % 0.39/0.57 (define @t36 () (tptp.truth (tptp.isa tptp.asked tptp.knave))) % 0.39/0.58 (define @t37 () (tptp.truth @t12)) % 0.39/0.58 (define @t38 () (not @t27)) % 0.39/0.58 (define @t39 () (or @t38 @t37 @t36)) % 0.39/0.58 (define @t40 () (forall (@list @t32) @t33)) % 0.39/0.58 (define @t41 () (@list tptp.knave)) % 0.39/0.58 (define @t42 () (forall @t21 @t29)) % 0.39/0.58 (define @t43 () (not @t15)) % 0.39/0.58 (define @t44 () (not @t42)) % 0.39/0.58 (define @t45 () (@list @t13 tptp.asked)) % 0.39/0.58 (define @t46 () (tptp.truth @t14)) % 0.39/0.58 (define @t47 () (tptp.truth @t13)) % 0.39/0.58 (define @t48 () (or @t47 @t46 @t43)) % 0.39/0.58 (define @t49 () (forall (@list @t30) @t31)) % 0.39/0.58 (define @t50 () (not @t47)) % 0.39/0.58 (define @t51 () (tptp.truth @t11)) % 0.39/0.58 (define @t52 () (or @t37 @t51 @t50)) % 0.39/0.58 (define @t53 () (@list tptp.knight)) % 0.39/0.58 (define @t54 () (not @t51)) % 0.39/0.58 (define @t55 () (not @t16)) % 0.39/0.58 (define @t56 () (or @t37 @t55 @t50)) % 0.39/0.58 (define @t57 () (or @t47 @t46 @t55)) % 0.39/0.58 (define @t58 () (not @t46)) % 0.39/0.58 (define @t59 () (or @t37 @t43 @t58)) % 0.39/0.58 (define @t60 () (or @t54 @t58)) % 0.39/0.58 (define @t61 () (tptp.truth (tptp.isa tptp.other tptp.knave))) % 0.39/0.58 (define @t62 () (not @t28)) % 0.39/0.58 (define @t63 () (or @t62 @t51 @t61)) % 0.39/0.58 (define @t64 () (not @t61)) % 0.39/0.58 (define @t65 () (not @t37)) % 0.39/0.58 (define @t66 () (or @t65 @t58)) % 0.39/0.58 (define @t67 () (or @t46 @t43 @t65)) % 0.39/0.58 (define @t68 () (@list false)) % 0.39/0.58 (define @t69 () (@list @t49)) % 0.39/0.58 (assume @p1 @t5) % 0.39/0.58 (assume @p2 (forall @t4 (or @t6 (not @t2)))) % 0.39/0.58 (assume @p3 (forall (@list @t7 @t1) (or @t9 @t8 @t6))) % 0.39/0.58 (assume @p4 (forall (@list @t1 @t7) (or @t3 @t8 @t10))) % 0.39/0.58 (assume @p5 (or @t16 @t15)) % 0.39/0.58 (assume @p6 (forall @t20 (or @t9 @t19 (not (tptp.says @t17 @t7))))) % 0.39/0.58 (assume @p7 (forall @t20 (or @t9 @t19 (not (tptp.says @t17 @t18))))) % 0.39/0.58 (assume @p8 (forall @t21 (or @t10 (not @t19)))) % 0.39/0.58 (assume @p9 (forall (@list @t23 @t22) (or @t25 @t24 (not (tptp.truth (tptp.or @t23 @t22)))))) % 0.39/0.58 (assume @p10 (forall (@list @t23 @t26) (or (not @t25) (not (tptp.truth (tptp.not (tptp.or @t23 @t26))))))) % 0.39/0.58 (assume @p11 (forall (@list @t22 @t26) (or (not @t24) (not (tptp.truth (tptp.not (tptp.or @t26 @t22))))))) % 0.39/0.58 (assume @p12 @t27) % 0.39/0.58 (assume @p13 @t28) % 0.39/0.58 (assume @p14 @t34) % 0.39/0.58 (step @p15 :rule instantiate :premises (@p1) :args ((@list tptp.other))) % 0.39/0.58 (step @p16 :rule instantiate :premises (@p3) :args ((@list @t14 tptp.asked))) % 0.39/0.58 (step @p17 :rule instantiate :premises (@p10) :args (@t35)) % 0.39/0.58 (step @p18 :rule instantiate :premises (@p1) :args ((@list tptp.asked))) % 0.39/0.58 (step @p19 :rule cnf_or_pos :args (@t39)) % 0.39/0.58 (step @p20 :rule reordering :premises (@p19) :args ((or @t38 @t37 @t36 (not @t39)))) % 0.39/0.58 (assume-push @p95 @t40) % 0.39/0.58 (step @p22 :rule instantiate :premises (@p95) :args (@t41)) % 0.39/0.58 (step-pop @p96 :rule scope :premises (@p22)) % 0.39/0.58 (step @p23 :rule process_scope :premises (@p96) :args ((not @t36))) % 0.39/0.58 (step @p25 :rule implies_elim :premises (@p23)) % 0.39/0.58 (assume-push @p97 @t5) % 0.39/0.58 (step-pop @p98 :rule scope :premises (@p18)) % 0.39/0.58 (step @p27 :rule process_scope :premises (@p98) :args (@t39)) % 0.39/0.58 (step @p29 :rule implies_elim :premises (@p27)) % 0.39/0.58 (assume-push @p99 @t42) % 0.39/0.58 (step @p31 :rule instantiate :premises (@p99) :args ((@list @t14))) % 0.39/0.58 (step-pop @p100 :rule scope :premises (@p31)) % 0.39/0.58 (step @p32 :rule process_scope :premises (@p100) :args (@t43)) % 0.39/0.58 (step @p34 :rule implies_elim :premises (@p32)) % 0.39/0.58 (step @p35 :rule reordering :premises (@p34) :args ((or @t43 @t44))) % 0.39/0.58 (step @p36 :rule instantiate :premises (@p7) :args (@t45)) % 0.39/0.58 (step @p37 :rule cnf_or_pos :args (@t48)) % 0.39/0.58 (step @p38 :rule reordering :premises (@p37) :args ((or @t43 @t46 @t47 (not @t48)))) % 0.39/0.58 (step @p39 :rule quant-miniscope-or :args ((= @t34 (or @t40 @t49 @t42)))) % 0.39/0.58 (step @p40 :rule eq_resolve :premises (@p14 @p39)) % 0.39/0.58 (step @p41 :rule instantiate :premises (@p9) :args (@t35)) % 0.39/0.58 (step @p42 :rule cnf_or_pos :args (@t52)) % 0.39/0.58 (step @p43 :rule reordering :premises (@p42) :args ((or @t37 @t51 @t50 (not @t52)))) % 0.39/0.58 (assume-push @p101 @t49) % 0.39/0.58 (step @p45 :rule instantiate :premises (@p101) :args (@t53)) % 0.39/0.58 (step-pop @p102 :rule scope :premises (@p45)) % 0.39/0.58 (step @p46 :rule process_scope :premises (@p102) :args (@t54)) % 0.39/0.58 (step @p48 :rule implies_elim :premises (@p46)) % 0.39/0.58 (step @p49 :rule chain_m_resolution :premises (@p48 @p43 @p41 @p40 @p38 @p36 @p35 @p25 @p20 @p12 @p29 @p1) :args ((or @t43 @t37 @t46) (@list false false false false false true true false false false false) (@list @t51 @t52 @t49 @t47 @t48 @t42 @t40 @t36 @t27 @t39 @t5))) % 0.39/0.58 (step @p50 :rule instantiate :premises (@p4) :args ((@list tptp.asked @t13))) % 0.39/0.58 (step @p51 :rule cnf_or_pos :args (@t56)) % 0.39/0.58 (step @p52 :rule reordering :premises (@p51) :args ((or @t55 @t37 @t50 (not @t56)))) % 0.39/0.58 (step @p53 :rule instantiate :premises (@p6) :args (@t45)) % 0.39/0.58 (step @p54 :rule cnf_or_pos :args (@t57)) % 0.39/0.58 (step @p55 :rule reordering :premises (@p54) :args ((or @t55 @t46 @t47 (not @t57)))) % 0.39/0.58 (step @p56 :rule chain_m_resolution :premises (@p55 @p53 @p52 @p50 @p5 @p49) :args ((or @t37 @t46) (@list false true false false true) (@list @t57 @t47 @t56 @t16 @t15))) % 0.39/0.58 (step @p57 :rule instantiate :premises (@p4) :args ((@list tptp.asked @t14))) % 0.39/0.58 (step @p58 :rule cnf_or_pos :args (@t59)) % 0.39/0.58 (step @p59 :rule reordering :premises (@p58) :args ((or @t43 @t37 @t58 (not @t59)))) % 0.39/0.58 (step @p60 :rule instantiate :premises (@p11) :args ((@list @t11 @t12))) % 0.39/0.58 (step @p61 :rule cnf_or_pos :args (@t60)) % 0.39/0.58 (step @p62 :rule reordering :premises (@p61) :args ((or @t54 @t58 (not @t60)))) % 0.39/0.58 (step @p63 :rule cnf_or_pos :args (@t63)) % 0.39/0.58 (step @p64 :rule reordering :premises (@p63) :args ((or @t62 @t51 @t61 (not @t63)))) % 0.39/0.58 (assume-push @p103 @t42) % 0.39/0.58 (step @p66 :rule instantiate :premises (@p103) :args ((@list @t13))) % 0.39/0.58 (step-pop @p104 :rule scope :premises (@p66)) % 0.39/0.58 (step @p67 :rule process_scope :premises (@p104) :args (@t55)) % 0.39/0.58 (step @p69 :rule implies_elim :premises (@p67)) % 0.39/0.58 (step @p70 :rule reordering :premises (@p69) :args ((or @t55 @t44))) % 0.39/0.58 (assume-push @p105 @t49) % 0.39/0.58 (step @p72 :rule instantiate :premises (@p105) :args (@t41)) % 0.39/0.58 (step-pop @p106 :rule scope :premises (@p72)) % 0.39/0.58 (step @p73 :rule process_scope :premises (@p106) :args (@t64)) % 0.39/0.58 (step @p75 :rule implies_elim :premises (@p73)) % 0.39/0.58 (step @p76 :rule chain_m_resolution :premises (@p40 @p75 @p70 @p64 @p15 @p13 @p5 @p62 @p60 @p59 @p57 @p56 @p25 @p20 @p18 @p12) :args (@t37 (@list true true false false false false true false true false false true false false false) (@list @t49 @t42 @t61 @t63 @t28 @t16 @t51 @t60 @t15 @t59 @t46 @t40 @t36 @t39 @t27))) % 0.39/0.58 (step @p77 :rule cnf_or_pos :args (@t66)) % 0.39/0.58 (step @p78 :rule reordering :premises (@p77) :args ((or @t65 @t58 (not @t66)))) % 0.39/0.58 (step @p79 :rule chain_m_resolution :premises (@p78 @p76 @p17) :args (@t58 (@list false false) (@list @t37 @t66))) % 0.39/0.58 (step @p80 :rule cnf_or_pos :args (@t67)) % 0.39/0.58 (step @p81 :rule reordering :premises (@p80) :args ((or @t43 @t65 @t46 (not @t67)))) % 0.39/0.58 (step @p82 :rule chain_m_resolution :premises (@p81 @p76 @p79 @p16) :args (@t43 (@list false true false) (@list @t37 @t46 @t67))) % 0.39/0.58 (step @p83 :rule chain_m_resolution :premises (@p5 @p82) :args (@t16 (@list true) (@list @t15))) % 0.39/0.58 (step @p84 :rule chain_m_resolution :premises (@p70 @p83) :args (@t44 @t68 (@list @t16))) % 0.39/0.58 (assume-push @p107 @t40) % 0.39/0.58 (step @p86 :rule instantiate :premises (@p107) :args (@t53)) % 0.39/0.58 (step-pop @p108 :rule scope :premises (@p86)) % 0.39/0.58 (step @p87 :rule process_scope :premises (@p108) :args (@t65)) % 0.39/0.58 (step @p89 :rule implies_elim :premises (@p87)) % 0.39/0.58 (step @p90 :rule chain_m_resolution :premises (@p89 @p76) :args ((not @t40) @t68 (@list @t37))) % 0.39/0.58 (step @p91 :rule chain_m_resolution :premises (@p40 @p90 @p84) :args (@t49 (@list true true) (@list @t40 @t42))) % 0.39/0.58 (step @p92 :rule chain_m_resolution :premises (@p48 @p91) :args (@t54 @t68 @t69)) % 0.39/0.58 (step @p93 :rule chain_m_resolution :premises (@p75 @p91) :args (@t64 @t68 @t69)) % 0.39/0.58 (step @p94 false :rule chain_m_resolution :premises (@p64 @p93 @p92 @p15 @p13) :args (false (@list true true false false) (@list @t61 @t51 @t63 @t28))) % 0.39/0.58 ) % 0.39/0.58 % SZS output end Proof % 0.39/0.58 % cvc5 exiting %------------------------------------------------------------------------------