details

property	value
status	complete
benchmark	Ackermann_false-termination.c
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n142.star.cs.uiowa.edu
space	Ton_Chanh_15

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	20.3545 seconds
cpu usage	60.4492
user time	58.2305
system time	2.21873
max virtual memory	1.974544E7
max residence set size	3964108.0

stage attributes

key	value
starexec-result	MAYBE

output

MAYBE proof of /export/starexec/sandbox2/benchmark/theBenchmark.c # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Termination of the given C Problem could not be shown: (0) C Problem (1) CToLLVMProof [EQUIVALENT, 172 ms] (2) LLVM problem (3) LLVMToTerminationGraphProof [EQUIVALENT, 10.5 s] (4) LLVM Symbolic Execution Graph (5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms] (6) LLVM Symbolic Execution Lasso (7) Lasso2IRS [SOUND, 246 ms] (8) IntTRS (9) IRS2T2 [EQUIVALENT, 0 ms] (10) T2IntSys (11) T2 [COMPLETE, 1521 ms] (12) NO (13) SymbolicExecutionGraphToSCCProof [SOUND, 0 ms] (14) LLVM Symbolic Execution SCC (15) SCC2IRS [SOUND, 211 ms] (16) IntTRS (17) IRS2T2 [EQUIVALENT, 0 ms] (18) T2IntSys (19) T2 [COMPLETE, 1803 ms] (20) NO (21) SCC2IRS [SOUND, 347 ms] (22) IntTRS (23) IRS2T2 [EQUIVALENT, 0 ms] (24) T2IntSys (25) T2 [COMPLETE, 3405 ms] (26) NO (27) SEGraph to IRS [SOUND, 986 ms] (28) IntTRS (29) IRS2T2 [EQUIVALENT, 0 ms] (30) T2IntSys (31) T2 [COMPLETE, 2776 ms] (32) NO ---------------------------------------- (0) Obligation: c file /export/starexec/sandbox2/benchmark/theBenchmark.c ---------------------------------------- (1) CToLLVMProof (EQUIVALENT) Compiled c-file /export/starexec/sandbox2/benchmark/theBenchmark.c to LLVM. ---------------------------------------- (2) Obligation: LLVM Problem Aliases: Data layout: "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" Machine: "x86_64-pc-linux-gnu" Type definitions: Global variables: Function declarations and definitions: *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: true visibilityType: DEFAULT callingConvention: ccc *BasicFunctionTypename: "Ack" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (m i32, n i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc 0: %1 = alloca i32, align 4 %2 = alloca i32, align 4 %3 = alloca i32, align 4 store %m, %2 store %n, %3 %4 = load %2 %5 = icmp eq %4 0 br %5, %6, %9 6: %7 = load %3 %8 = add %7 1 store %8, %1 br %24 9: %10 = load %3 %11 = icmp eq %10 0 br %11, %12, %16 12: %13 = load %2 %14 = sub %13 1 %15 = call i32 @Ack(i32 %14, i32 1) store %15, %1 br %24 16: popout

output may be truncated. 'popout' for the full output.

job log

popout

actions

all output return to C