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C_Integer 2019-03-28 22.15 pair #432271672
details
property
value
status
complete
benchmark
NonTermination4_false-termination.c
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n004.star.cs.uiowa.edu
space
Stroeder_15
run statistics
property
value
solver
AProVE
configuration
c
runtime (wallclock)
3.15035 seconds
cpu usage
8.80733
user time
8.38221
system time
0.42512
max virtual memory
1.9477664E7
max residence set size
667844.0
stage attributes
key
value
starexec-result
NO
output
8.32/3.09 NO 8.32/3.10 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 8.32/3.10 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 8.32/3.10 8.32/3.10 8.32/3.10 Termination of the given C Problem could be disproven: 8.32/3.10 8.32/3.10 (0) C Problem 8.32/3.10 (1) CToLLVMProof [EQUIVALENT, 166 ms] 8.32/3.10 (2) LLVM problem 8.32/3.10 (3) LLVMToTerminationGraphProof [EQUIVALENT, 611 ms] 8.32/3.10 (4) LLVM Symbolic Execution Graph 8.32/3.10 (5) LLVMNonterminationProof [COMPLETE, 116 ms] 8.32/3.10 (6) NO 8.32/3.10 8.32/3.10 8.32/3.10 ---------------------------------------- 8.32/3.10 8.32/3.10 (0) 8.32/3.10 Obligation: 8.32/3.10 c file /export/starexec/sandbox/benchmark/theBenchmark.c 8.32/3.10 ---------------------------------------- 8.32/3.10 8.32/3.10 (1) CToLLVMProof (EQUIVALENT) 8.32/3.10 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 8.32/3.10 ---------------------------------------- 8.32/3.10 8.32/3.10 (2) 8.32/3.10 Obligation: 8.32/3.10 LLVM Problem 8.32/3.10 8.32/3.10 Aliases: 8.32/3.10 8.32/3.10 Data layout: 8.32/3.10 8.32/3.10 "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" 8.32/3.10 8.32/3.10 Machine: 8.32/3.10 8.32/3.10 "x86_64-pc-linux-gnu" 8.32/3.10 8.32/3.10 Type definitions: 8.32/3.10 8.32/3.10 Global variables: 8.32/3.10 8.32/3.10 Function declarations and definitions: 8.32/3.10 8.32/3.10 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 8.32/3.10 0: 8.32/3.10 %1 = alloca i32, align 4 8.32/3.10 %x = alloca i32, align 4 8.32/3.10 %y = alloca i32, align 4 8.32/3.10 store 0, %1 8.32/3.10 store 1, %x 8.32/3.10 store 1, %y 8.32/3.10 br %2 8.32/3.10 2: 8.32/3.10 %3 = load %x 8.32/3.10 %4 = icmp sge %3 0 8.32/3.10 br %4, %5, %10 8.32/3.10 5: 8.32/3.10 %6 = load %x 8.32/3.10 %7 = mul 2 %6 8.32/3.10 store %7, %x 8.32/3.10 %8 = load %y 8.32/3.10 %9 = mul 3 %8 8.32/3.10 store %9, %y 8.32/3.10 br %2 8.32/3.10 10: 8.32/3.10 ret 0 8.32/3.10 8.32/3.10 8.32/3.10 Analyze Termination of all function calls matching the pattern: 8.32/3.10 main() 8.32/3.10 ---------------------------------------- 8.32/3.10 8.32/3.10 (3) LLVMToTerminationGraphProof (EQUIVALENT) 8.32/3.10 Constructed symbolic execution graph for LLVM program and proved memory safety. 8.32/3.10 ---------------------------------------- 8.32/3.10 8.32/3.10 (4) 8.32/3.10 Obligation: 8.32/3.10 SE Graph 8.32/3.10 ---------------------------------------- 8.32/3.10 8.32/3.10 (5) LLVMNonterminationProof (COMPLETE) 8.32/3.10 Proved nontermination with the following witness: 8.32/3.10 8.32/3.10 State #56 with references set to {}. 8.32/3.10 Nondeterministic instruction %1 = alloca i32, align 4 in node #56 yields value 14. 8.67/3.10 Nondeterministic instruction %x = alloca i32, align 4 in node #57 yields value 1. 8.67/3.10 Nondeterministic instruction %y = alloca i32, align 4 in node #58 yields value 9. 8.67/3.10 8.67/3.10 ---------------------------------------- 8.67/3.10 8.67/3.10 (6) 8.67/3.10 NO 8.67/3.15 EOF
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