C Integ Progr 58257 pair #381736120

details

property	value
status	complete
benchmark	AlternKonv.c
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n024.star.cs.uiowa.edu
space	Stroeder_15

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	5.2357711792 seconds
cpu usage	17.963898001
max memory	2.40994304E9

stage attributes

key	value
output-size	3046
starexec-result	NO

output

/export/starexec/sandbox2/solver/bin/starexec_run_c /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files


--------------------------------------------------------------------------------


NO
proof of /export/starexec/sandbox2/benchmark/theBenchmark.c
# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty


Termination of the given C Problem could be disproven:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 80 ms]
(2) LLVM problem
(3) LLVMToTerminationGraphProof [EQUIVALENT, 1585 ms]
(4) LLVM Symbolic Execution Graph
(5) LLVMNonterminationProof [COMPLETE, 134 ms]
(6) NO


----------------------------------------

(0)
Obligation:
c file /export/starexec/sandbox2/benchmark/theBenchmark.c
----------------------------------------

(1) CToLLVMProof (EQUIVALENT)
Compiled c-file /export/starexec/sandbox2/benchmark/theBenchmark.c to LLVM.
----------------------------------------

(2)
Obligation:
LLVM Problem

Aliases:

Data layout:

"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"

Machine:

"x86_64-pc-linux-gnu"

Type definitions:

Global variables:

Function declarations and definitions:

*BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%i = alloca i32, align 4
		store 0, %1
		%2 = call i32 @__VERIFIER_nondet_int()
		store %2, %i
		br %3
	3:
		%4 = load %i
		%5 = icmp ne %4 0
		br %5, %6, %28
	6:
		%7 = load %i
		%8 = icmp slt %7 0
		br %8, %9, %18
	9:
		%10 = load %i
		%11 = add %10 2
		store %11, %i
		%12 = load %i
		%13 = icmp slt %12 0
		br %13, %14, %17
	14:
		%15 = load %i
		%16 = mul %15 -1
		store %16, %i
		br %17
	17:
		br %27
	18:
		%19 = load %i
		%20 = sub %19 2
		store %20, %i
		%21 = load %i
		%22 = icmp sgt %21 0
		br %22, %23, %26
	23:
		%24 = load %i
		%25 = mul %24 -1
		store %25, %i
		br %26
	26:
		br %27
	27:
		br %3

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