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C 2019-03-28 11.48 pair #432171260
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
n091.star.cs.uiowa.edu
space
AProVE_numeric
run statistics
property
value
solver
AProVE
configuration
c
runtime (wallclock)
8.43566 seconds
cpu usage
25.9281
user time
24.9059
system time
1.02215
max virtual memory
2.093838E7
max residence set size
2710772.0
stage attributes
key
value
starexec-result
YES
output
25.65/8.34 YES 25.65/8.35 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 25.65/8.35 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 25.65/8.35 25.65/8.35 25.65/8.35 Termination of the given C Problem could be proven: 25.65/8.35 25.65/8.35 (0) C Problem 25.65/8.35 (1) CToLLVMProof [EQUIVALENT, 175 ms] 25.65/8.35 (2) LLVM problem 25.65/8.35 (3) LLVMToTerminationGraphProof [EQUIVALENT, 4460 ms] 25.65/8.35 (4) LLVM Symbolic Execution Graph 25.65/8.35 (5) SymbolicExecutionGraphToSCCProof [SOUND, 0 ms] 25.65/8.35 (6) LLVM Symbolic Execution SCC 25.65/8.35 (7) SCC2IRS [SOUND, 83 ms] 25.65/8.35 (8) IntTRS 25.65/8.35 (9) IntTRSCompressionProof [EQUIVALENT, 0 ms] 25.65/8.35 (10) IntTRS 25.65/8.35 (11) RankingReductionPairProof [EQUIVALENT, 24 ms] 25.65/8.35 (12) YES 25.65/8.35 25.65/8.35 25.65/8.35 ---------------------------------------- 25.65/8.35 25.65/8.35 (0) 25.65/8.35 Obligation: 25.65/8.35 c file /export/starexec/sandbox/benchmark/theBenchmark.c 25.65/8.35 ---------------------------------------- 25.65/8.35 25.65/8.35 (1) CToLLVMProof (EQUIVALENT) 25.65/8.35 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 25.65/8.35 ---------------------------------------- 25.65/8.35 25.65/8.35 (2) 25.65/8.35 Obligation: 25.65/8.35 LLVM Problem 25.65/8.35 25.65/8.35 Aliases: 25.65/8.35 25.65/8.35 Data layout: 25.65/8.35 25.65/8.35 "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" 25.65/8.35 25.65/8.35 Machine: 25.65/8.35 25.65/8.35 "x86_64-pc-linux-gnu" 25.65/8.35 25.65/8.35 Type definitions: 25.65/8.35 25.65/8.35 Global variables: 25.65/8.35 25.65/8.35 Function declarations and definitions: 25.65/8.35 25.65/8.35 *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 25.65/8.35 *BasicFunctionTypename: "strlen_rec" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (p *i8) variableLength: false visibilityType: DEFAULT callingConvention: ccc 25.65/8.35 0: 25.65/8.35 %1 = alloca i32, align 4 25.65/8.35 %2 = alloca *i8, align 8 25.65/8.35 store %p, %2 25.65/8.35 %3 = load %2 25.65/8.35 %4 = load %3 25.65/8.35 %5 = sext i8 %4 to i32 25.65/8.35 %6 = icmp eq %5 0 25.65/8.35 br %6, %7, %8 25.65/8.35 7: 25.65/8.35 store 0, %1 25.65/8.35 br %13 25.65/8.35 8: 25.65/8.35 %9 = load %2 25.65/8.35 %10 = getelementptr %9, 1 25.65/8.35 %11 = call i32 @strlen_rec(*i8 %10) 25.65/8.35 %12 = add 1 %11 25.65/8.35 store %12, %1 25.65/8.35 br %13 25.65/8.35 13: 25.65/8.35 %14 = load %1 25.65/8.35 ret %14 25.65/8.35 25.65/8.35 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 25.65/8.35 0: 25.65/8.35 %1 = alloca i32, align 4 25.65/8.35 %length1 = alloca i32, align 4 25.65/8.35 %nondetString1 = alloca *i8, align 8 25.65/8.35 store 0, %1 25.65/8.35 %2 = call i32 @__VERIFIER_nondet_int() 25.65/8.35 store %2, %length1 25.65/8.35 %3 = load %length1 25.65/8.35 %4 = icmp slt %3 1 25.65/8.35 br %4, %5, %6 25.65/8.35 5: 25.65/8.35 store 1, %length1 25.65/8.35 br %6 25.65/8.35 6: 25.65/8.35 %7 = load %length1 25.65/8.35 %8 = sext i32 %7 to i64 25.65/8.35 %9 = mul %8 1 25.65/8.35 %10 = alloca i8, numElementsLit: %9 25.65/8.35 store %10, %nondetString1 25.65/8.35 %11 = load %length1 25.65/8.35 %12 = sub %11 1
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