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C_Integer 2019-03-28 22.15 pair #432272416
details
property
value
status
complete
benchmark
WhileIncrPart.c
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n087.star.cs.uiowa.edu
space
Stroeder_15
run statistics
property
value
solver
AProVE
configuration
c
runtime (wallclock)
3.05416 seconds
cpu usage
9.04761
user time
8.63589
system time
0.411715
max virtual memory
1.9807684E7
max residence set size
672444.0
stage attributes
key
value
starexec-result
NO
output
8.60/3.01 NO 8.60/3.01 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 8.60/3.01 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 8.60/3.01 8.60/3.01 8.60/3.01 Termination of the given C Problem could be disproven: 8.60/3.01 8.60/3.01 (0) C Problem 8.60/3.01 (1) CToLLVMProof [EQUIVALENT, 157 ms] 8.60/3.01 (2) LLVM problem 8.60/3.01 (3) LLVMToTerminationGraphProof [EQUIVALENT, 542 ms] 8.60/3.01 (4) LLVM Symbolic Execution Graph 8.60/3.01 (5) LLVMNonterminationProof [COMPLETE, 63 ms] 8.60/3.01 (6) NO 8.60/3.01 8.60/3.01 8.60/3.01 ---------------------------------------- 8.60/3.01 8.60/3.01 (0) 8.60/3.01 Obligation: 8.60/3.01 c file /export/starexec/sandbox/benchmark/theBenchmark.c 8.60/3.01 ---------------------------------------- 8.60/3.01 8.60/3.01 (1) CToLLVMProof (EQUIVALENT) 8.60/3.01 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 8.60/3.01 ---------------------------------------- 8.60/3.01 8.60/3.01 (2) 8.60/3.01 Obligation: 8.60/3.01 LLVM Problem 8.60/3.01 8.60/3.01 Aliases: 8.60/3.01 8.60/3.01 Data layout: 8.60/3.01 8.60/3.01 "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" 8.60/3.01 8.60/3.01 Machine: 8.60/3.01 8.60/3.01 "x86_64-pc-linux-gnu" 8.60/3.01 8.60/3.01 Type definitions: 8.60/3.01 8.60/3.01 Global variables: 8.60/3.01 8.60/3.01 Function declarations and definitions: 8.60/3.01 8.60/3.01 *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 8.60/3.01 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 8.60/3.01 0: 8.60/3.01 %1 = alloca i32, align 4 8.60/3.01 %i = alloca i32, align 4 8.60/3.01 store 0, %1 8.60/3.01 %2 = call i32 @__VERIFIER_nondet_int() 8.60/3.01 store %2, %i 8.60/3.01 br %3 8.60/3.01 3: 8.60/3.01 %4 = load %i 8.60/3.01 %5 = icmp sgt %4 0 8.60/3.01 br %5, %6, %16 8.60/3.01 6: 8.60/3.01 %7 = load %i 8.60/3.01 %8 = icmp sgt %7 3 8.60/3.01 br %8, %9, %12 8.60/3.01 9: 8.60/3.01 %10 = load %i 8.60/3.01 %11 = add %10 1 8.60/3.01 store %11, %i 8.60/3.01 br %15 8.60/3.01 12: 8.60/3.01 %13 = load %i 8.60/3.01 %14 = sub %13 1 8.60/3.01 store %14, %i 8.60/3.01 br %15 8.60/3.01 15: 8.60/3.01 br %3 8.60/3.01 16: 8.60/3.01 ret 0 8.60/3.01 8.60/3.01 8.60/3.01 Analyze Termination of all function calls matching the pattern: 8.60/3.01 main() 8.60/3.01 ---------------------------------------- 8.60/3.01 8.60/3.01 (3) LLVMToTerminationGraphProof (EQUIVALENT) 8.60/3.01 Constructed symbolic execution graph for LLVM program and proved memory safety. 8.60/3.01 ---------------------------------------- 8.60/3.01 8.60/3.01 (4) 8.60/3.01 Obligation: 8.60/3.01 SE Graph 8.60/3.01 ---------------------------------------- 8.60/3.01 8.60/3.01 (5) LLVMNonterminationProof (COMPLETE) 8.60/3.01 Proved nontermination with the following witness: 8.60/3.01 8.60/3.01 State #69 with references set to {}. 8.60/3.01 Nondeterministic instruction %1 = alloca i32, align 4 in node #69 yields value 5. 8.60/3.01 Nondeterministic instruction %i = alloca i32, align 4 in node #70 yields value 1. 8.60/3.01 Nondeterministic instruction %2 = call i32 @__VERIFIER_nondet_int() in node #72 yields value 18.
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