%------------------------------------------------------------------------------ % File : cvc5---1.3.4 % Problem : FLD040-3 : TPTP v9.2.1. Bugfixed v2.1.0. % Transfm : none % Format : tptp:raw % Command : /export/starexec/sandbox2/solver/bin/do_cvc5 /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM % Computer : n027.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 08:15:28 AM UTC 2026 % Result : Unsatisfiable 2.21s 2.44s % Output : Proof 2.21s % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----WARNING: Could not form TPTP format derivation %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.00/0.12 % Problem : FLD040-3 : TPTP v9.2.1. Bugfixed v2.1.0. % 0.12/0.13 % Command : /export/starexec/sandbox2/solver/bin/do_cvc5 /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM % 0.17/0.34 % Computer : n027.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 : Mon Jun 1 22:37:36 EDT 2026 % 0.17/0.34 % CPUTime : % 0.30/0.49 %----Proving TF0_NAR, FOF, or CNF % 0.30/0.50 --- Run --decision=internal --simplification=none --no-inst-no-entail --no-cbqi --full-saturate-quant at 15... % 2.21/2.44 % SZS status Unsatisfiable % 2.21/2.44 % SZS output start Proof % 2.21/2.44 ( % 2.21/2.44 (declare-sort $$unsorted 0) % 2.21/2.44 (declare-const tptp.less_or_equal (-> $$unsorted $$unsorted Bool)) % 2.21/2.44 (declare-const tptp.multiply (-> $$unsorted $$unsorted $$unsorted)) % 2.21/2.44 (declare-const tptp.add (-> $$unsorted $$unsorted $$unsorted)) % 2.21/2.44 (declare-const tptp.multiplicative_inverse (-> $$unsorted $$unsorted)) % 2.21/2.44 (declare-const tptp.multiplicative_identity $$unsorted) % 2.21/2.44 (declare-const tptp.product (-> $$unsorted $$unsorted $$unsorted Bool)) % 2.21/2.44 (declare-const tptp.a $$unsorted) % 2.21/2.44 (declare-const tptp.additive_identity $$unsorted) % 2.21/2.44 (declare-const tptp.defined (-> $$unsorted Bool)) % 2.21/2.44 (declare-const tptp.additive_inverse (-> $$unsorted $$unsorted)) % 2.21/2.44 (declare-const tptp.sum (-> $$unsorted $$unsorted $$unsorted Bool)) % 2.21/2.44 (define @t1 () (@var "W" $$unsorted)) % 2.21/2.44 (define @t2 () (@var "Z" $$unsorted)) % 2.21/2.44 (define @t3 () (@var "U" $$unsorted)) % 2.21/2.44 (define @t4 () (tptp.sum @t3 @t2 @t1)) % 2.21/2.44 (define @t5 () (@var "V" $$unsorted)) % 2.21/2.44 (define @t6 () (@var "Y" $$unsorted)) % 2.21/2.44 (define @t7 () (not (tptp.sum @t6 @t2 @t5))) % 2.21/2.44 (define @t8 () (@var "X" $$unsorted)) % 2.21/2.44 (define @t9 () (not (tptp.sum @t8 @t6 @t3))) % 2.21/2.44 (define @t10 () (tptp.sum @t8 @t5 @t1)) % 2.21/2.44 (define @t11 () (@list @t8 @t5 @t1 @t6 @t3 @t2)) % 2.21/2.44 (define @t12 () (forall @t11 (or @t10 @t9 @t7 (not @t4)))) % 2.21/2.44 (define @t13 () (@list @t3 @t2 @t1 @t8 @t6 @t5)) % 2.21/2.44 (define @t14 () (not (tptp.defined @t8))) % 2.21/2.44 (define @t15 () (@list @t8)) % 2.21/2.44 (define @t16 () (tptp.additive_inverse @t8)) % 2.21/2.44 (define @t17 () (@list @t6 @t8 @t2)) % 2.21/2.44 (define @t18 () (tptp.product @t3 @t2 @t1)) % 2.21/2.44 (define @t19 () (not (tptp.product @t6 @t2 @t5))) % 2.21/2.44 (define @t20 () (not (tptp.product @t8 @t6 @t3))) % 2.21/2.44 (define @t21 () (tptp.product @t8 @t5 @t1)) % 2.21/2.44 (define @t22 () (tptp.sum tptp.additive_identity @t8 tptp.additive_identity)) % 2.21/2.44 (define @t23 () (tptp.multiplicative_inverse @t8)) % 2.21/2.44 (define @t24 () (not (tptp.product @t8 @t6 @t2))) % 2.21/2.44 (define @t25 () (@var "D" $$unsorted)) % 2.21/2.44 (define @t26 () (not (tptp.product @t6 @t2 @t25))) % 2.21/2.44 (define @t27 () (@var "C" $$unsorted)) % 2.21/2.44 (define @t28 () (not (tptp.product @t8 @t2 @t27))) % 2.21/2.44 (define @t29 () (@var "B" $$unsorted)) % 2.21/2.44 (define @t30 () (@var "A" $$unsorted)) % 2.21/2.44 (define @t31 () (tptp.product @t30 @t2 @t29)) % 2.21/2.44 (define @t32 () (not (tptp.sum @t8 @t6 @t30))) % 2.21/2.44 (define @t33 () (tptp.sum @t27 @t25 @t29)) % 2.21/2.44 (define @t34 () (not (tptp.defined @t6))) % 2.21/2.44 (define @t35 () (tptp.add @t8 @t6)) % 2.21/2.44 (define @t36 () (@list @t8 @t6)) % 2.21/2.44 (define @t37 () (tptp.defined tptp.additive_identity)) % 2.21/2.44 (define @t38 () (tptp.multiply @t8 @t6)) % 2.21/2.44 (define @t39 () (tptp.defined tptp.multiplicative_identity)) % 2.21/2.44 (define @t40 () (tptp.less_or_equal @t6 @t8)) % 2.21/2.44 (define @t41 () (tptp.less_or_equal @t8 @t6)) % 2.21/2.44 (define @t42 () (not @t41)) % 2.21/2.44 (define @t43 () (tptp.sum tptp.additive_identity tptp.additive_identity tptp.multiplicative_identity)) % 2.21/2.44 (define @t44 () (tptp.defined tptp.a)) % 2.21/2.44 (define @t45 () (tptp.sum tptp.additive_identity tptp.a tptp.additive_identity)) % 2.21/2.44 (define @t46 () (tptp.multiplicative_inverse tptp.a)) % 2.21/2.44 (define @t47 () (tptp.sum tptp.additive_identity tptp.additive_identity @t46)) % 2.21/2.44 (define @t48 () (@list tptp.additive_identity tptp.multiplicative_identity tptp.additive_identity)) % 2.21/2.44 (define @t49 () (@list tptp.additive_identity)) % 2.21/2.44 (define @t50 () (not @t37)) % 2.21/2.44 (define @t51 () (tptp.product tptp.multiplicative_identity tptp.additive_identity tptp.additive_identity)) % 2.21/2.44 (define @t52 () (or @t51 @t50)) % 2.21/2.44 (define @t53 () (@list false false)) % 2.21/2.44 (define @t54 () (not @t51)) % 2.21/2.44 (define @t55 () (tptp.product tptp.additive_identity tptp.multiplicative_identity tptp.additive_identity)) % 2.21/2.44 (define @t56 () (or @t55 @t54)) % 2.21/2.44 (define @t57 () (tptp.sum tptp.additive_identity tptp.additive_identity tptp.additive_identity)) % 2.21/2.44 (define @t58 () (or @t57 @t50)) % 2.21/2.44 (define @t59 () (not @t57)) % 2.21/2.44 (define @t60 () (not @t55)) % 2.21/2.44 (define @t61 () (not @t47)) % 2.21/2.44 (define @t62 () (tptp.product @t46 tptp.multiplicative_identity tptp.additive_identity)) % 2.21/2.44 (define @t63 () (or @t62 @t61 @t60 @t60 @t59)) % 2.21/2.44 (define @t64 () (@list false false false false)) % 2.21/2.44 (define @t65 () (@list tptp.a)) % 2.21/2.44 (define @t66 () (not @t44)) % 2.21/2.44 (define @t67 () (tptp.product @t46 tptp.a tptp.multiplicative_identity)) % 2.21/2.44 (define @t68 () (or @t67 @t45 @t66)) % 2.21/2.44 (define @t69 () (@list true false false)) % 2.21/2.44 (define @t70 () (tptp.product tptp.multiplicative_identity tptp.a tptp.a)) % 2.21/2.44 (define @t71 () (or @t70 @t66)) % 2.21/2.44 (define @t72 () (not @t67)) % 2.21/2.44 (define @t73 () (not @t70)) % 2.21/2.44 (define @t74 () (not @t62)) % 2.21/2.44 (define @t75 () (tptp.product tptp.additive_identity tptp.a tptp.multiplicative_identity)) % 2.21/2.44 (define @t76 () (or @t75 @t74 @t73 @t72)) % 2.21/2.44 (define @t77 () (tptp.sum tptp.additive_identity @t46 tptp.additive_identity)) % 2.21/2.44 (define @t78 () (or @t77 @t59 @t61 @t59)) % 2.21/2.44 (define @t79 () (not @t75)) % 2.21/2.44 (define @t80 () (not @t77)) % 2.21/2.44 (define @t81 () (tptp.sum tptp.multiplicative_identity tptp.multiplicative_identity tptp.multiplicative_identity)) % 2.21/2.44 (define @t82 () (or @t81 @t80 @t79 @t79 @t72)) % 2.21/2.44 (define @t83 () (tptp.additive_inverse tptp.multiplicative_identity)) % 2.21/2.44 (define @t84 () (@list tptp.multiplicative_identity)) % 2.21/2.44 (define @t85 () (not @t39)) % 2.21/2.44 (define @t86 () (tptp.sum @t83 tptp.multiplicative_identity tptp.additive_identity)) % 2.21/2.44 (define @t87 () (or @t86 @t85)) % 2.21/2.44 (define @t88 () (not @t86)) % 2.21/2.44 (define @t89 () (tptp.sum tptp.multiplicative_identity @t83 tptp.additive_identity)) % 2.21/2.44 (define @t90 () (or @t89 @t88)) % 2.21/2.44 (define @t91 () (tptp.sum tptp.additive_identity tptp.multiplicative_identity tptp.multiplicative_identity)) % 2.21/2.44 (define @t92 () (or @t91 @t85)) % 2.21/2.44 (define @t93 () (not @t91)) % 2.21/2.44 (define @t94 () (tptp.sum tptp.additive_identity tptp.multiplicative_identity tptp.additive_identity)) % 2.21/2.44 (define @t95 () (not @t94)) % 2.21/2.44 (define @t96 () (or @t43 @t59 @t95 @t93)) % 2.21/2.44 (define @t97 () (tptp.sum tptp.multiplicative_identity tptp.additive_identity tptp.additive_identity)) % 2.21/2.44 (define @t98 () (not @t97)) % 2.21/2.44 (define @t99 () (or @t94 @t98)) % 2.21/2.44 (define @t100 () (@list true false)) % 2.21/2.44 (define @t101 () (not @t89)) % 2.21/2.44 (define @t102 () (not @t81)) % 2.21/2.44 (define @t103 () (or @t97 @t102 @t101 @t101)) % 2.21/2.44 (define @t104 () (not @t103)) % 2.21/2.44 (assume @p1 @t12) % 2.21/2.44 (assume @p2 (forall @t13 (or @t4 @t9 @t7 (not @t10)))) % 2.21/2.44 (assume @p3 (forall @t15 (or (tptp.sum tptp.additive_identity @t8 @t8) @t14))) % 2.21/2.44 (assume @p4 (forall @t15 (or (tptp.sum @t16 @t8 tptp.additive_identity) @t14))) % 2.21/2.44 (assume @p5 (forall @t17 (or (tptp.sum @t6 @t8 @t2) (not (tptp.sum @t8 @t6 @t2))))) % 2.21/2.44 (assume @p6 (forall @t11 (or @t21 @t20 @t19 (not @t18)))) % 2.21/2.44 (assume @p7 (forall @t13 (or @t18 @t20 @t19 (not @t21)))) % 2.21/2.44 (assume @p8 (forall @t15 (or (tptp.product tptp.multiplicative_identity @t8 @t8) @t14))) % 2.21/2.44 (assume @p9 (forall @t15 (or (tptp.product @t23 @t8 tptp.multiplicative_identity) @t22 @t14))) % 2.21/2.44 (assume @p10 (forall @t17 (or (tptp.product @t6 @t8 @t2) @t24))) % 2.21/2.44 (assume @p11 (forall (@list @t27 @t25 @t29 @t8 @t6 @t30 @t2) (or @t33 @t32 (not @t31) @t28 @t26))) % 2.21/2.44 (assume @p12 (forall (@list @t30 @t2 @t29 @t8 @t6 @t27 @t25) (or @t31 @t32 @t28 @t26 (not @t33)))) % 2.21/2.44 (assume @p13 (forall @t36 (or (tptp.defined @t35) @t14 @t34))) % 2.21/2.44 (assume @p14 @t37) % 2.21/2.44 (assume @p15 (forall @t15 (or (tptp.defined @t16) @t14))) % 2.21/2.44 (assume @p16 (forall @t36 (or (tptp.defined @t38) @t14 @t34))) % 2.21/2.44 (assume @p17 @t39) % 2.21/2.44 (assume @p18 (forall @t15 (or (tptp.defined @t23) @t14 @t22))) % 2.21/2.44 (assume @p19 (forall @t36 (or (tptp.sum @t8 @t6 @t35) @t14 @t34))) % 2.21/2.44 (assume @p20 (forall @t36 (or (tptp.product @t8 @t6 @t38) @t14 @t34))) % 2.21/2.44 (assume @p21 (forall @t36 (or (tptp.sum tptp.additive_identity @t8 @t6) @t42 (not @t40)))) % 2.21/2.44 (assume @p22 (forall (@list @t8 @t2 @t6) (or (tptp.less_or_equal @t8 @t2) @t42 (not (tptp.less_or_equal @t6 @t2))))) % 2.21/2.44 (assume @p23 (forall @t36 (or @t41 @t40 @t14 @t34))) % 2.21/2.44 (assume @p24 (forall (@list @t3 @t5 @t8 @t6 @t2) (or (tptp.less_or_equal @t3 @t5) @t42 (not (tptp.sum @t8 @t2 @t3)) @t7))) % 2.21/2.44 (assume @p25 (forall (@list @t2 @t8 @t6) (or (tptp.less_or_equal tptp.additive_identity @t2) (not (tptp.less_or_equal tptp.additive_identity @t8)) (not (tptp.less_or_equal tptp.additive_identity @t6)) @t24))) % 2.21/2.44 (assume @p26 (not @t43)) % 2.21/2.44 (assume @p27 @t44) % 2.21/2.44 (assume @p28 (not @t45)) % 2.21/2.44 (assume @p29 @t47) % 2.21/2.44 (step @p30 :rule instantiate :premises (@p11) :args ((@list tptp.multiplicative_identity tptp.multiplicative_identity tptp.multiplicative_identity tptp.additive_identity @t46 tptp.additive_identity tptp.a))) % 2.21/2.44 (step @p31 :rule instantiate :premises (@p7) :args ((@list tptp.additive_identity tptp.a tptp.multiplicative_identity @t46 tptp.multiplicative_identity tptp.a))) % 2.21/2.44 (step @p32 :rule instantiate :premises (@p12) :args ((@list @t46 tptp.multiplicative_identity tptp.additive_identity tptp.additive_identity tptp.additive_identity tptp.additive_identity tptp.additive_identity))) % 2.21/2.44 (step @p33 :rule instantiate :premises (@p10) :args (@t48)) % 2.21/2.44 (step @p34 :rule instantiate :premises (@p8) :args (@t49)) % 2.21/2.44 (step @p35 :rule cnf_or_pos :args (@t52)) % 2.21/2.44 (step @p36 :rule reordering :premises (@p35) :args ((or @t50 @t51 (not @t52)))) % 2.21/2.44 (step @p37 :rule chain_m_resolution :premises (@p36 @p14 @p34) :args (@t51 @t53 (@list @t37 @t52))) % 2.21/2.44 (step @p38 :rule cnf_or_pos :args (@t56)) % 2.21/2.44 (step @p39 :rule reordering :premises (@p38) :args ((or @t54 @t55 (not @t56)))) % 2.21/2.44 (step @p40 :rule chain_m_resolution :premises (@p39 @p37 @p33) :args (@t55 @t53 (@list @t51 @t56))) % 2.21/2.44 (step @p41 :rule instantiate :premises (@p3) :args (@t49)) % 2.21/2.44 (step @p42 :rule cnf_or_pos :args (@t58)) % 2.21/2.44 (step @p43 :rule reordering :premises (@p42) :args ((or @t50 @t57 (not @t58)))) % 2.21/2.44 (step @p44 :rule chain_m_resolution :premises (@p43 @p14 @p41) :args (@t57 @t53 (@list @t37 @t58))) % 2.21/2.44 (step @p45 :rule cnf_or_pos :args (@t63)) % 2.21/2.44 (step @p46 :rule factoring :premises (@p45)) % 2.21/2.44 (step @p47 :rule reordering :premises (@p46) :args ((or @t61 @t59 @t60 @t62 (not @t63)))) % 2.21/2.44 (step @p48 :rule chain_m_resolution :premises (@p47 @p29 @p44 @p40 @p32) :args (@t62 @t64 (@list @t47 @t57 @t55 @t63))) % 2.21/2.44 (step @p49 :rule instantiate :premises (@p9) :args (@t65)) % 2.21/2.44 (step @p50 :rule cnf_or_pos :args (@t68)) % 2.21/2.44 (step @p51 :rule reordering :premises (@p50) :args ((or @t45 @t66 @t67 (not @t68)))) % 2.21/2.44 (step @p52 :rule chain_m_resolution :premises (@p51 @p28 @p27 @p49) :args (@t67 @t69 (@list @t45 @t44 @t68))) % 2.21/2.44 (step @p53 :rule instantiate :premises (@p8) :args (@t65)) % 2.21/2.44 (step @p54 :rule cnf_or_pos :args (@t71)) % 2.21/2.44 (step @p55 :rule reordering :premises (@p54) :args ((or @t66 @t70 (not @t71)))) % 2.21/2.44 (step @p56 :rule chain_m_resolution :premises (@p55 @p27 @p53) :args (@t70 @t53 (@list @t44 @t71))) % 2.21/2.44 (step @p57 :rule cnf_or_pos :args (@t76)) % 2.21/2.44 (step @p58 :rule reordering :premises (@p57) :args ((or @t73 @t72 @t75 @t74 (not @t76)))) % 2.21/2.44 (step @p59 :rule chain_m_resolution :premises (@p58 @p56 @p52 @p48 @p31) :args (@t75 @t64 (@list @t70 @t67 @t62 @t76))) % 2.21/2.44 (step @p60 :rule instantiate :premises (@p1) :args ((@list tptp.additive_identity @t46 tptp.additive_identity tptp.additive_identity tptp.additive_identity tptp.additive_identity))) % 2.21/2.44 (step @p61 :rule cnf_or_pos :args (@t78)) % 2.21/2.44 (step @p62 :rule factoring :premises (@p61)) % 2.21/2.44 (step @p63 :rule reordering :premises (@p62) :args ((or @t61 @t59 @t77 (not @t78)))) % 2.21/2.44 (step @p64 :rule chain_m_resolution :premises (@p63 @p29 @p44 @p60) :args (@t77 (@list false false false) (@list @t47 @t57 @t78))) % 2.21/2.44 (step @p65 :rule cnf_or_pos :args (@t82)) % 2.21/2.44 (step @p66 :rule factoring :premises (@p65)) % 2.21/2.44 (step @p67 :rule reordering :premises (@p66) :args ((or @t72 @t80 @t81 @t79 (not @t82)))) % 2.21/2.44 (step @p68 :rule chain_m_resolution :premises (@p67 @p52 @p64 @p59 @p30) :args (@t81 @t64 (@list @t67 @t77 @t75 @t82))) % 2.21/2.44 (step @p69 :rule instantiate :premises (@p5) :args ((@list tptp.multiplicative_identity @t83 tptp.additive_identity))) % 2.21/2.44 (step @p70 :rule instantiate :premises (@p4) :args (@t84)) % 2.21/2.44 (step @p71 :rule cnf_or_pos :args (@t87)) % 2.21/2.44 (step @p72 :rule reordering :premises (@p71) :args ((or @t85 @t86 (not @t87)))) % 2.21/2.44 (step @p73 :rule chain_m_resolution :premises (@p72 @p17 @p70) :args (@t86 @t53 (@list @t39 @t87))) % 2.21/2.44 (step @p74 :rule cnf_or_pos :args (@t90)) % 2.21/2.44 (step @p75 :rule reordering :premises (@p74) :args ((or @t88 @t89 (not @t90)))) % 2.21/2.44 (step @p76 :rule chain_m_resolution :premises (@p75 @p73 @p69) :args (@t89 @t53 (@list @t86 @t90))) % 2.21/2.44 (step @p77 :rule instantiate :premises (@p5) :args (@t48)) % 2.21/2.44 (step @p78 :rule instantiate :premises (@p1) :args ((@list tptp.additive_identity tptp.additive_identity tptp.multiplicative_identity tptp.additive_identity tptp.additive_identity tptp.multiplicative_identity))) % 2.21/2.44 (step @p79 :rule instantiate :premises (@p3) :args (@t84)) % 2.21/2.44 (step @p80 :rule cnf_or_pos :args (@t92)) % 2.21/2.44 (step @p81 :rule reordering :premises (@p80) :args ((or @t85 @t91 (not @t92)))) % 2.21/2.44 (step @p82 :rule chain_m_resolution :premises (@p81 @p17 @p79) :args (@t91 @t53 (@list @t39 @t92))) % 2.21/2.44 (step @p83 :rule cnf_or_pos :args (@t96)) % 2.21/2.44 (step @p84 :rule reordering :premises (@p83) :args ((or @t43 @t59 @t93 @t95 (not @t96)))) % 2.21/2.44 (step @p85 :rule chain_m_resolution :premises (@p84 @p26 @p44 @p82 @p78) :args (@t95 (@list true false false false) (@list @t43 @t57 @t91 @t96))) % 2.21/2.44 (step @p86 :rule cnf_or_pos :args (@t99)) % 2.21/2.44 (step @p87 :rule reordering :premises (@p86) :args ((or @t94 @t98 (not @t99)))) % 2.21/2.44 (step @p88 :rule chain_m_resolution :premises (@p87 @p85 @p77) :args (@t98 @t100 (@list @t94 @t99))) % 2.21/2.44 (step @p89 :rule cnf_or_pos :args (@t103)) % 2.21/2.44 (step @p90 :rule factoring :premises (@p89)) % 2.21/2.44 (step @p91 :rule reordering :premises (@p90) :args ((or @t97 @t101 @t102 @t104))) % 2.21/2.44 (step @p92 :rule chain_m_resolution :premises (@p91 @p88 @p76 @p68) :args (@t104 @t69 (@list @t97 @t89 @t81))) % 2.21/2.44 (assume-push @p99 @t12) % 2.21/2.44 (step @p94 :rule instantiate :premises (@p1) :args ((@list tptp.multiplicative_identity tptp.additive_identity tptp.additive_identity tptp.multiplicative_identity tptp.multiplicative_identity @t83))) % 2.21/2.44 (step-pop @p100 :rule scope :premises (@p94)) % 2.21/2.44 (step @p95 :rule process_scope :premises (@p100) :args (@t103)) % 2.21/2.44 (step @p97 :rule implies_elim :premises (@p95)) % 2.21/2.44 (step @p98 false :rule chain_m_resolution :premises (@p97 @p92 @p1) :args (false @t100 (@list @t103 @t12))) % 2.21/2.44 ) % 2.21/2.44 % SZS output end Proof % 2.21/2.44 % cvc5 exiting %------------------------------------------------------------------------------