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C_Integer 2019-03-28 22.15 pair #432271531
details
property
value
status
complete
benchmark
Ex07.c
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n030.star.cs.uiowa.edu
space
Stroeder_15
run statistics
property
value
solver
AProVE
configuration
c
runtime (wallclock)
3.75145 seconds
cpu usage
10.5
user time
10.05
system time
0.45
max virtual memory
2.049066E7
max residence set size
795048.0
stage attributes
key
value
starexec-result
NO
output
9.97/3.38 NO 9.97/3.38 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 9.97/3.38 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.97/3.38 9.97/3.38 9.97/3.38 Termination of the given C Problem could be disproven: 9.97/3.38 9.97/3.38 (0) C Problem 9.97/3.38 (1) CToLLVMProof [EQUIVALENT, 162 ms] 9.97/3.38 (2) LLVM problem 9.97/3.38 (3) LLVMToTerminationGraphProof [EQUIVALENT, 709 ms] 9.97/3.38 (4) LLVM Symbolic Execution Graph 9.97/3.38 (5) LLVMNonterminationProof [COMPLETE, 19 ms] 9.97/3.38 (6) NO 9.97/3.38 9.97/3.38 9.97/3.38 ---------------------------------------- 9.97/3.38 9.97/3.38 (0) 9.97/3.38 Obligation: 9.97/3.38 c file /export/starexec/sandbox/benchmark/theBenchmark.c 9.97/3.38 ---------------------------------------- 9.97/3.38 9.97/3.38 (1) CToLLVMProof (EQUIVALENT) 9.97/3.38 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 9.97/3.38 ---------------------------------------- 9.97/3.38 9.97/3.38 (2) 9.97/3.38 Obligation: 9.97/3.38 LLVM Problem 9.97/3.38 9.97/3.38 Aliases: 9.97/3.38 9.97/3.38 Data layout: 9.97/3.38 9.97/3.38 "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" 9.97/3.38 9.97/3.38 Machine: 9.97/3.38 9.97/3.38 "x86_64-pc-linux-gnu" 9.97/3.38 9.97/3.38 Type definitions: 9.97/3.38 9.97/3.38 Global variables: 9.97/3.38 9.97/3.38 Function declarations and definitions: 9.97/3.39 9.97/3.39 *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 9.97/3.39 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 9.97/3.39 0: 9.97/3.39 %1 = alloca i32, align 4 9.97/3.39 %i = alloca i32, align 4 9.97/3.39 store 0, %1 9.97/3.39 %2 = call i32 @__VERIFIER_nondet_int() 9.97/3.39 store %2, %i 9.97/3.39 br %3 9.97/3.39 3: 9.97/3.39 %4 = load %i 9.97/3.39 %5 = icmp sgt %4 0 9.97/3.39 br %5, %6, %9 9.97/3.39 6: 9.97/3.39 %7 = load %i 9.97/3.39 %8 = sub %7 1 9.97/3.39 store %8, %i 9.97/3.39 br %9 9.97/3.39 9: 9.97/3.39 %10 = load %i 9.97/3.39 %11 = icmp slt %10 0 9.97/3.39 br %11, %12, %15 9.97/3.39 12: 9.97/3.39 %13 = load %i 9.97/3.39 %14 = add %13 1 9.97/3.39 store %14, %i 9.97/3.39 br %15 9.97/3.39 15: 9.97/3.39 br %3 9.97/3.39 16: 9.97/3.39 %17 = load %1 9.97/3.39 ret %17 9.97/3.39 9.97/3.39 9.97/3.39 Analyze Termination of all function calls matching the pattern: 9.97/3.39 main() 9.97/3.39 ---------------------------------------- 9.97/3.39 9.97/3.39 (3) LLVMToTerminationGraphProof (EQUIVALENT) 9.97/3.39 Constructed symbolic execution graph for LLVM program and proved memory safety. 9.97/3.39 ---------------------------------------- 9.97/3.39 9.97/3.39 (4) 9.97/3.39 Obligation: 9.97/3.39 SE Graph 9.97/3.39 ---------------------------------------- 9.97/3.39 9.97/3.39 (5) LLVMNonterminationProof (COMPLETE) 9.97/3.39 Proved nontermination with the following witness: 9.97/3.39 9.97/3.39 State #72 with references set to {}. 9.97/3.39 Nondeterministic instruction %1 = alloca i32, align 4 in node #72 yields value 13. 9.97/3.39 Nondeterministic instruction %i = alloca i32, align 4 in node #73 yields value 1.
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