0.04/0.12 % Problem : Vampire---4.8_10673 : TPTP v0.0.0. Released v0.0.0. 0.04/0.14 % Command : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s 0.13/0.34 % Computer : n023.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 0.13/0.35 % CPULimit : 1440 0.13/0.35 % WCLimit : 180 0.13/0.35 % DateTime : Mon Jul 3 13:20:21 EDT 2023 0.13/0.35 % CPUTime : 0.13/0.35 This is a THF_ problem 0.13/0.35 Running vampire_rel_static_ahmed-new-hol_6848 --cores 8 --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_hol /export/starexec/sandbox/tmp/tmp.y33UYQ5Wq9/Vampire---4.8_10673 -m 12000 -t 180 0.20/0.37 % (10784)lrs+1002_1:1_au=on:s2a=on:s2agt=32:sgt=8:ss=axioms:i=385:si=on:rtra=on_0 on Vampire---4 for (1800ds/385Mi) 0.20/0.37 % (10785)dis+1002_1:128_acc=on:er=filter:i=17:si=on:rtra=on_0 on Vampire---4 for (1800ds/17Mi) 0.20/0.37 % (10783)lrs+1002_1:128_au=on:c=on:fsr=off:piset=equals:i=34:si=on:rtra=on_0 on Vampire---4 for (1800ds/34Mi) 0.20/0.37 % (10786)ott+1010_1:1_cnfonf=lazy_gen:fe=off:kws=inv_arity:plsq=on:plsqc=1:plsqr=32,1:prag=on:sp=const_frequency:i=74:si=on:rtra=on_0 on Vampire---4 for (1800ds/74Mi) 0.20/0.37 % (10788)lrs+1002_1:14_au=on:bd=off:e2e=on:fde=unused:sac=on:sos=on:i=915:si=on:rtra=on_0 on Vampire---4 for (1800ds/915Mi) 0.20/0.37 % (10787)dis+1004_1:1_cha=on:cs=on:fe=off:hud=1:i=4:si=on:rtra=on_0 on Vampire---4 for (1800ds/4Mi) 0.20/0.37 % (10787)Instruction limit reached! 0.20/0.37 % (10787)------------------------------ 0.20/0.37 % (10787)Version: Vampire 4.7 (commit 934bd2fae on 2023-06-16 16:02:25 +0100) 0.20/0.37 % (10787)Termination reason: Unknown 0.20/0.37 % (10787)Termination phase: Saturation 0.20/0.37 0.20/0.37 % (10787)Memory used [KB]: 5500 0.20/0.37 % (10787)Time elapsed: 0.005 s 0.20/0.37 % (10787)Instructions burned: 4 (million) 0.20/0.37 % (10787)------------------------------ 0.20/0.37 % (10787)------------------------------ 0.20/0.37 % (10784)First to succeed. 0.20/0.38 % (10784)Refutation found. Thanks to Tanya! 0.20/0.38 % SZS status Theorem for Vampire---4 0.20/0.38 % SZS output start Proof for Vampire---4 0.20/0.38 thf(type_def_5, type, nat: $tType). 0.20/0.38 thf(func_def_0, type, nat: $tType). 0.20/0.38 thf(func_def_1, type, x: nat). 0.20/0.38 thf(func_def_2, type, y: nat). 0.20/0.38 thf(func_def_3, type, z: nat). 0.20/0.38 thf(func_def_4, type, pl: nat > nat > nat). 0.20/0.38 thf(func_def_8, type, sK0: nat). 0.20/0.38 thf(f46,plain,( 0.20/0.38 $false), 0.20/0.38 inference(equality_resolution,[],[f37])). 0.20/0.38 thf(f37,plain,( 0.20/0.38 ( ! [X0 : nat] : (((pl @ y @ (pl @ z @ sK0)) != (pl @ y @ (pl @ z @ X0)))) )), 0.20/0.38 inference(superposition,[],[f29,f22])). 0.20/0.38 thf(f22,plain,( 0.20/0.38 ( ! [X2 : nat,X0 : nat,X1 : nat] : (((pl @ (pl @ X1 @ X0) @ X2) = (pl @ X1 @ (pl @ X0 @ X2)))) )), 0.20/0.38 inference(cnf_transformation,[],[f19])). 0.20/0.38 thf(f19,plain,( 0.20/0.38 ! [X0 : nat,X1 : nat,X2 : nat] : ((pl @ (pl @ X1 @ X0) @ X2) = (pl @ X1 @ (pl @ X0 @ X2)))), 0.20/0.38 inference(rectify,[],[f14])). 0.20/0.38 thf(f14,plain,( 0.20/0.38 ! [X0 : nat,X2 : nat,X1 : nat] : ((pl @ X2 @ (pl @ X0 @ X1)) = (pl @ (pl @ X2 @ X0) @ X1))), 0.20/0.38 inference(rectify,[],[f1])). 0.20/0.38 thf(f1,axiom,( 0.20/0.38 ! [X1 : nat,X2 : nat,X0 : nat] : ((pl @ (pl @ X0 @ X1) @ X2) = (pl @ X0 @ (pl @ X1 @ X2)))), 0.20/0.38 file('/export/starexec/sandbox/tmp/tmp.y33UYQ5Wq9/Vampire---4.8_10673',satz5)). 0.20/0.38 thf(f29,plain,( 0.20/0.38 ( ! [X0 : nat] : (((pl @ y @ (pl @ z @ sK0)) != (pl @ (pl @ y @ z) @ X0))) )), 0.20/0.38 inference(forward_demodulation,[],[f28,f25])). 0.20/0.38 thf(f25,plain,( 0.20/0.38 ( ! [X0 : nat,X1 : nat] : (((pl @ X0 @ X1) = (pl @ X1 @ X0))) )), 0.20/0.38 inference(cnf_transformation,[],[f20])). 0.20/0.38 thf(f20,plain,( 0.20/0.38 ! [X0 : nat,X1 : nat] : ((pl @ X0 @ X1) = (pl @ X1 @ X0))), 0.20/0.38 inference(rectify,[],[f4])). 0.20/0.38 thf(f4,axiom,( 0.20/0.38 ! [X1 : nat,X0 : nat] : ((pl @ X0 @ X1) = (pl @ X1 @ X0))), 0.20/0.38 file('/export/starexec/sandbox/tmp/tmp.y33UYQ5Wq9/Vampire---4.8_10673',satz6)). 0.20/0.38 thf(f28,plain,( 0.20/0.38 ( ! [X0 : nat] : (((pl @ y @ (pl @ sK0 @ z)) != (pl @ (pl @ y @ z) @ X0))) )), 0.20/0.38 inference(forward_demodulation,[],[f26,f22])). 0.20/0.38 thf(f26,plain,( 0.20/0.38 ( ! [X0 : nat] : (((pl @ (pl @ y @ sK0) @ z) != (pl @ (pl @ y @ z) @ X0))) )), 0.20/0.38 inference(definition_unfolding,[],[f24,f21])). 0.20/0.38 thf(f21,plain,( 0.20/0.38 (x = (pl @ y @ sK0))), 0.20/0.38 inference(cnf_transformation,[],[f18])). 0.20/0.38 thf(f18,plain,( 0.20/0.38 (x = (pl @ y @ sK0))), 0.20/0.38 inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f15,f17])). 0.20/0.38 thf(f17,plain,( 0.20/0.38 ? [X0 : nat] : (x = (pl @ y @ X0)) => (x = (pl @ y @ sK0))), 0.20/0.38 introduced(choice_axiom,[])). 0.20/0.38 thf(f15,plain,( 0.20/0.38 ? [X0 : nat] : (x = (pl @ y @ X0))), 0.20/0.38 inference(ennf_transformation,[],[f13])). 0.20/0.38 thf(f13,plain,( 0.20/0.38 ~! [X0 : nat] : (x != (pl @ y @ X0))), 0.20/0.38 inference(rectify,[],[f3])). 0.20/0.38 thf(f3,axiom,( 0.20/0.38 ~! [X4 : nat] : (x != (pl @ y @ X4))), 0.20/0.38 file('/export/starexec/sandbox/tmp/tmp.y33UYQ5Wq9/Vampire---4.8_10673',m)). 0.20/0.38 thf(f24,plain,( 0.20/0.38 ( ! [X0 : nat] : (((pl @ x @ z) != (pl @ (pl @ y @ z) @ X0))) )), 0.20/0.38 inference(cnf_transformation,[],[f11])). 0.20/0.38 thf(f11,plain,( 0.20/0.38 ! [X0 : nat] : ((pl @ x @ z) != (pl @ (pl @ y @ z) @ X0))), 0.20/0.38 inference(flattening,[],[f10])). 0.20/0.38 thf(f10,plain,( 0.20/0.38 ~~! [X0 : nat] : ((pl @ x @ z) != (pl @ (pl @ y @ z) @ X0))), 0.20/0.38 inference(rectify,[],[f6])). 0.20/0.38 thf(f6,negated_conjecture,( 0.20/0.38 ~~! [X4 : nat] : ((pl @ x @ z) != (pl @ (pl @ y @ z) @ X4))), 0.20/0.38 inference(negated_conjecture,[],[f5])). 0.20/0.38 thf(f5,conjecture,( 0.20/0.38 ~! [X4 : nat] : ((pl @ x @ z) != (pl @ (pl @ y @ z) @ X4))), 0.20/0.38 file('/export/starexec/sandbox/tmp/tmp.y33UYQ5Wq9/Vampire---4.8_10673',satz19a)). 0.20/0.38 % SZS output end Proof for Vampire---4 0.20/0.38 % (10784)------------------------------ 0.20/0.38 % (10784)Version: Vampire 4.7 (commit 934bd2fae on 2023-06-16 16:02:25 +0100) 0.20/0.38 % (10784)Termination reason: Refutation 0.20/0.38 0.20/0.38 % (10784)Memory used [KB]: 5500 0.20/0.38 % (10784)Time elapsed: 0.008 s 0.20/0.38 % (10784)Instructions burned: 7 (million) 0.20/0.38 % (10784)------------------------------ 0.20/0.38 % (10784)------------------------------ 0.20/0.38 % (10780)Success in time 0.02 s 0.20/0.38 % Vampire---4.8 exiting 0.20/0.38 EOF