C Integ Progr 58257 pair #381735982

details

property	value
status	complete
benchmark	Hanoi_plus_false-termination.c
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n042.star.cs.uiowa.edu
space	Ton_Chanh_15

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	11.2391138077 seconds
cpu usage	41.822663065
max memory	3.207094272E9

stage attributes

key	value
output-size	13969
starexec-result	NO

output

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


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


NO
proof of /export/starexec/sandbox/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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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, 142 ms]
(2) LLVM problem
(3) LLVMToTerminationGraphProof [EQUIVALENT, 1127 ms]
(4) LLVM Symbolic Execution Graph
(5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms]
(6) LLVM Symbolic Execution Lasso
(7) Lasso2IRS [EQUIVALENT, 0 ms]
(8) IntTRS
(9) IRS2T2 [EQUIVALENT, 0 ms]
(10) T2IntSys
(11) T2 Underapproximation [COMPLETE, 1473 ms]
(12) T2IntSys
(13) T2 [COMPLETE, 242 ms]
(14) NO


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

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

(1) CToLLVMProof (EQUIVALENT)
Compiled c-file /export/starexec/sandbox/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
		%x = alloca i32, align 4
		%y = alloca i32, align 4
		%z = alloca i32, align 4
		store 0, %1
		%2 = call i32 @__VERIFIER_nondet_int()
		store %2, %x
		%3 = call i32 @__VERIFIER_nondet_int()
		store %3, %y
		%4 = call i32 @__VERIFIER_nondet_int()
		store %4, %z
		br %5
	5:
		%6 = load %x
		%7 = icmp sgt %6 0
		br %7, %8, %18
	8:
		%9 = load %x
		%10 = load %y
		%11 = add %9 %10
		store %11, %x
		%12 = load %y
		%13 = load %z
		%14 = add %12 %13
		store %14, %y
		%15 = load %z
		%16 = load %x
		%17 = add %15 %16
		store %17, %z
		br %5
	18:
		ret 0


Analyze Termination of all function calls matching the pattern:
main()

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