details

property	value
status	complete
benchmark	rec_strlen.c
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n146.star.cs.uiowa.edu
space	AProVE_numeric

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	10.4115 seconds
cpu usage	24.1075
user time	23.1636
system time	0.943966
max virtual memory	2.0009736E7
max residence set size	2508184.0

stage attributes

key	value
starexec-result	YES

output

YES proof of /export/starexec/sandbox/benchmark/theBenchmark.c # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Termination of the given C Problem could be proven: (0) C Problem (1) CToLLVMProof [EQUIVALENT, 173 ms] (2) LLVM problem (3) LLVMToTerminationGraphProof [EQUIVALENT, 4312 ms] (4) LLVM Symbolic Execution Graph (5) SymbolicExecutionGraphToSCCProof [SOUND, 0 ms] (6) LLVM Symbolic Execution SCC (7) SCC2IRS [SOUND, 60 ms] (8) IntTRS (9) IRS2T2 [EQUIVALENT, 0 ms] (10) T2IntSys (11) T2 [EQUIVALENT, 1055 ms] (12) YES ---------------------------------------- (0) Obligation: c file /export/starexec/sandbox/benchmark/theBenchmark.c ---------------------------------------- (1) CToLLVMProof (EQUIVALENT) Compiled c-file /export/starexec/sandbox/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: false visibilityType: DEFAULT callingConvention: ccc *BasicFunctionTypename: "strlen_rec" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (p *i8) variableLength: false visibilityType: DEFAULT callingConvention: ccc 0: %1 = alloca i32, align 4 %2 = alloca *i8, align 8 store %p, %2 %3 = load %2 %4 = load %3 %5 = sext i8 %4 to i32 %6 = icmp eq %5 0 br %6, %7, %8 7: store 0, %1 br %13 8: %9 = load %2 %10 = getelementptr %9, 1 %11 = call i32 @strlen_rec(*i8 %10) %12 = add 1 %11 store %12, %1 br %13 13: %14 = load %1 ret %14 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 0: %1 = alloca i32, align 4 %length1 = alloca i32, align 4 %nondetString1 = alloca *i8, align 8 store 0, %1 %2 = call i32 @__VERIFIER_nondet_int() store %2, %length1 %3 = load %length1 %4 = icmp slt %3 1 br %4, %5, %6 5: store 1, %length1 br %6 6: %7 = load %length1 %8 = sext i32 %7 to i64 %9 = mul %8 1 %10 = alloca i8, numElementsLit: %9 store %10, %nondetString1 %11 = load %length1 %12 = sub %11 1 popout

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

job log

popout

actions

all output return to C