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C_Integer 2019-03-28 22.15 pair #432271588
details
property
value
status
complete
benchmark
Ex04.c
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n135.star.cs.uiowa.edu
space
Stroeder_15
run statistics
property
value
solver
AProVE
configuration
c
runtime (wallclock)
2.69937 seconds
cpu usage
7.25165
user time
6.86128
system time
0.390368
max virtual memory
1.9669708E7
max residence set size
520156.0
stage attributes
key
value
starexec-result
NO
output
6.64/2.59 NO 6.64/2.64 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 6.64/2.64 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 6.64/2.64 6.64/2.64 6.64/2.64 Termination of the given C Problem could be disproven: 6.64/2.64 6.64/2.64 (0) C Problem 6.64/2.64 (1) CToLLVMProof [EQUIVALENT, 147 ms] 6.64/2.64 (2) LLVM problem 6.64/2.64 (3) LLVMToTerminationGraphProof [EQUIVALENT, 309 ms] 6.64/2.64 (4) LLVM Symbolic Execution Graph 6.64/2.64 (5) LLVMNonterminationProof [COMPLETE, 35 ms] 6.64/2.64 (6) NO 6.64/2.64 6.64/2.64 6.64/2.64 ---------------------------------------- 6.64/2.64 6.64/2.64 (0) 6.64/2.64 Obligation: 6.64/2.64 c file /export/starexec/sandbox/benchmark/theBenchmark.c 6.64/2.64 ---------------------------------------- 6.64/2.64 6.64/2.64 (1) CToLLVMProof (EQUIVALENT) 6.64/2.64 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 6.64/2.64 ---------------------------------------- 6.64/2.64 6.64/2.64 (2) 6.64/2.64 Obligation: 6.64/2.64 LLVM Problem 6.64/2.64 6.64/2.64 Aliases: 6.64/2.64 6.64/2.64 Data layout: 6.64/2.64 6.64/2.64 "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" 6.64/2.64 6.64/2.64 Machine: 6.64/2.64 6.64/2.64 "x86_64-pc-linux-gnu" 6.64/2.64 6.64/2.64 Type definitions: 6.64/2.64 6.64/2.64 Global variables: 6.64/2.64 6.64/2.64 Function declarations and definitions: 6.64/2.64 6.64/2.64 *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 6.64/2.64 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 6.64/2.64 0: 6.64/2.64 %1 = alloca i32, align 4 6.64/2.64 %i = alloca i32, align 4 6.64/2.64 store 0, %1 6.64/2.64 %2 = call i32 @__VERIFIER_nondet_int() 6.64/2.64 store %2, %i 6.64/2.64 br %3 6.64/2.64 3: 6.64/2.64 %4 = load %i 6.64/2.64 %5 = sub %4 1 6.64/2.64 store %5, %i 6.64/2.64 br %3 6.64/2.64 6: 6.64/2.64 %7 = load %1 6.64/2.64 ret %7 6.64/2.64 6.64/2.64 6.64/2.64 Analyze Termination of all function calls matching the pattern: 6.64/2.64 main() 6.64/2.64 ---------------------------------------- 6.64/2.64 6.64/2.64 (3) LLVMToTerminationGraphProof (EQUIVALENT) 6.64/2.64 Constructed symbolic execution graph for LLVM program and proved memory safety. 6.64/2.64 ---------------------------------------- 6.64/2.64 6.64/2.64 (4) 6.64/2.64 Obligation: 6.64/2.64 SE Graph 6.64/2.64 ---------------------------------------- 6.64/2.64 6.64/2.64 (5) LLVMNonterminationProof (COMPLETE) 6.64/2.64 Proved nontermination with the following witness: 6.64/2.64 6.64/2.64 State #39 with references set to {}. 6.64/2.64 Nondeterministic instruction %1 = alloca i32, align 4 in node #39 yields value 13. 6.64/2.64 Nondeterministic instruction %i = alloca i32, align 4 in node #40 yields value 4. 6.64/2.64 Nondeterministic instruction %2 = call i32 @__VERIFIER_nondet_int() in node #42 yields value (-1). 6.64/2.64 6.64/2.64 ---------------------------------------- 6.64/2.64 6.64/2.64 (6) 6.64/2.64 NO 7.22/2.69 EOF
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