details

property	value
status	complete
benchmark	WhileTrue_false-termination.c
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n147.star.cs.uiowa.edu
space	Ultimate

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	2.01134 seconds
cpu usage	4.14254
user time	3.91657
system time	0.22597
max virtual memory	1.8610552E7
max residence set size	326908.0

stage attributes

key	value
starexec-result	NO

output

3.53/1.91 NO 3.88/1.99 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 3.88/1.99 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.88/1.99 3.88/1.99 3.88/1.99 Termination of the given C Problem could be disproven: 3.88/1.99 3.88/1.99 (0) C Problem 3.88/1.99 (1) CToLLVMProof [EQUIVALENT, 73 ms] 3.88/1.99 (2) LLVM problem 3.88/1.99 (3) LLVMToTerminationGraphProof [EQUIVALENT, 111 ms] 3.88/1.99 (4) LLVM Symbolic Execution Graph 3.88/1.99 (5) LLVMNonterminationProof [COMPLETE, 39 ms] 3.88/1.99 (6) NO 3.88/1.99 3.88/1.99 3.88/1.99 ---------------------------------------- 3.88/1.99 3.88/1.99 (0) 3.88/1.99 Obligation: 3.88/1.99 c file /export/starexec/sandbox/benchmark/theBenchmark.c 3.88/1.99 ---------------------------------------- 3.88/1.99 3.88/1.99 (1) CToLLVMProof (EQUIVALENT) 3.88/1.99 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 3.88/1.99 ---------------------------------------- 3.88/1.99 3.88/1.99 (2) 3.88/1.99 Obligation: 3.88/1.99 LLVM Problem 3.88/1.99 3.88/1.99 Aliases: 3.88/1.99 3.88/1.99 Data layout: 3.88/1.99 3.88/1.99 "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" 3.88/1.99 3.88/1.99 Machine: 3.88/1.99 3.88/1.99 "x86_64-pc-linux-gnu" 3.88/1.99 3.88/1.99 Type definitions: 3.88/1.99 3.88/1.99 Global variables: 3.88/1.99 3.88/1.99 Function declarations and definitions: 3.88/1.99 3.88/1.99 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 3.88/1.99 0: 3.88/1.99 %1 = alloca i32, align 4 3.88/1.99 store 0, %1 3.88/1.99 br %2 3.88/1.99 2: 3.88/1.99 br %2 3.88/1.99 3: 3.88/1.99 %4 = load %1 3.88/1.99 ret %4 3.88/1.99 3.88/1.99 3.88/1.99 Analyze Termination of all function calls matching the pattern: 3.88/1.99 main() 3.88/1.99 ---------------------------------------- 3.88/1.99 3.88/1.99 (3) LLVMToTerminationGraphProof (EQUIVALENT) 3.88/1.99 Constructed symbolic execution graph for LLVM program and proved memory safety. 3.88/1.99 ---------------------------------------- 3.88/1.99 3.88/1.99 (4) 3.88/1.99 Obligation: 3.88/1.99 SE Graph 3.88/1.99 ---------------------------------------- 3.88/1.99 3.88/1.99 (5) LLVMNonterminationProof (COMPLETE) 3.88/1.99 Proved nontermination with the following witness: 3.88/1.99 3.88/1.99 State #20 with references set to {}. 3.88/1.99 Nondeterministic instruction %1 = alloca i32, align 4 in node #20 yields value 9. 3.88/1.99 3.88/1.99 ---------------------------------------- 3.88/1.99 3.88/1.99 (6) 3.88/1.99 NO 4.10/2.01 EOF popout

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actions

all output return to C 2019-03-28 11.48