C 2019-03-28 11.48 pair #432170940

details

property	value
status	complete
benchmark	Division_false-termination.c
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n176.star.cs.uiowa.edu
space	Ultimate

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	4.26933 seconds
cpu usage	11.7141
user time	11.2275
system time	0.486637
max virtual memory	2.0089492E7
max residence set size	622664.0

stage attributes

key	value
starexec-result	NO

output

11.56/4.22	NO
11.56/4.23	proof of /export/starexec/sandbox/benchmark/theBenchmark.c
11.56/4.23	# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty
11.56/4.23	
11.56/4.23	
11.56/4.23	Termination of the given C Problem could be disproven:
11.56/4.23	
11.56/4.23	(0) C Problem
11.56/4.23	(1) CToLLVMProof [EQUIVALENT, 174 ms]
11.56/4.23	(2) LLVM problem
11.56/4.23	(3) LLVMToTerminationGraphProof [EQUIVALENT, 490 ms]
11.56/4.23	(4) LLVM Symbolic Execution Graph
11.56/4.23	(5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms]
11.56/4.23	(6) LLVM Symbolic Execution Lasso
11.56/4.23	(7) Lasso2IRS [EQUIVALENT, 78 ms]
11.56/4.23	(8) IntTRS
11.56/4.23	(9) IRS2T2 [EQUIVALENT, 0 ms]
11.56/4.23	(10) T2IntSys
11.56/4.23	(11) T2 [COMPLETE, 1322 ms]
11.56/4.23	(12) NO
11.56/4.23	
11.56/4.23	
11.56/4.23	----------------------------------------
11.56/4.23	
11.56/4.23	(0)
11.56/4.23	Obligation:
11.56/4.23	c file /export/starexec/sandbox/benchmark/theBenchmark.c
11.56/4.23	----------------------------------------
11.56/4.23	
11.56/4.23	(1) CToLLVMProof (EQUIVALENT)
11.56/4.23	Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM.
11.56/4.23	----------------------------------------
11.56/4.23	
11.56/4.23	(2)
11.56/4.23	Obligation:
11.56/4.23	LLVM Problem
11.56/4.23	
11.56/4.23	Aliases:
11.56/4.23	
11.56/4.23	Data layout:
11.56/4.23	
11.56/4.23	"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"
11.56/4.23	
11.56/4.23	Machine:
11.56/4.23	
11.56/4.23	"x86_64-pc-linux-gnu"
11.56/4.23	
11.56/4.23	Type definitions:
11.56/4.23	
11.56/4.23	Global variables:
11.56/4.23	
11.56/4.23	Function declarations and definitions:
11.56/4.23	
11.56/4.23	*BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: true visibilityType: DEFAULT callingConvention: ccc
11.56/4.23	*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
11.56/4.23		0:
11.56/4.23			%1 = alloca i32, align 4
11.56/4.23			%y = alloca i32, align 4
11.56/4.23			store 0, %1
11.56/4.23			%2 = call i32 (...)* @__VERIFIER_nondet_int()
11.56/4.23			store %2, %y
11.56/4.23			br %3
11.56/4.23		3:
11.56/4.23			%4 = load %y
11.56/4.23			%5 = icmp sge %4 0
11.56/4.23			br %5, %6, %9
11.56/4.23		6:
11.56/4.23			%7 = load %y
11.56/4.23			%8 = icmp sle %7 10
11.56/4.23			br %9
11.56/4.23		9:
11.56/4.23			%10 = phi [0, %3], [%8, %6]
11.56/4.23			br %10, %11, %16
11.56/4.23		11:
11.56/4.23			%12 = load %y
11.56/4.23			%13 = mul 2 %12
11.56/4.23			%14 = add %13 1
11.56/4.23			%15 = sdiv %14 2
11.56/4.23			store %15, %y
11.56/4.23			br %3
11.56/4.23		16:
11.56/4.23			ret 0
11.56/4.23	
11.56/4.23	
11.56/4.23	Analyze Termination of all function calls matching the pattern:
11.56/4.23	main()
11.56/4.23	----------------------------------------
11.56/4.23	
11.56/4.23	(3) LLVMToTerminationGraphProof (EQUIVALENT)
11.56/4.23	Constructed symbolic execution graph for LLVM program and proved memory safety.
11.56/4.23	----------------------------------------
11.56/4.23	
11.56/4.23	(4)
11.56/4.23	Obligation:
11.56/4.23	SE Graph
11.56/4.23	----------------------------------------
11.56/4.23	
11.56/4.23	(5) SymbolicExecutionGraphToLassoProof (EQUIVALENT)
11.56/4.23	Converted SEGraph to 1 independent lasso.
11.56/4.23	----------------------------------------

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job log

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actions all output return to C 2019-03-28 11.48