C Integer pair #487569983

details

property	value
status	complete
benchmark	Et4.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	Stroeder_15

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	12.2803900242 seconds
cpu usage	21.837329295
max memory	1.161486336E9

stage attributes

key	value
output-size	17912
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# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty


Termination of the given C Problem could be disproven:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 150 ms]
(2) LLVM problem
(3) LLVMToTerminationGraphProof [EQUIVALENT, 1306 ms]
(4) LLVM Symbolic Execution Graph
(5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms]
(6) LLVM Symbolic Execution Lasso
(7) Lasso2IRS [EQUIVALENT, 107 ms]
(8) IntTRS
(9) IRS2T2 [EQUIVALENT, 0 ms]
(10) T2IntSys
(11) T2 [COMPLETE, 1252 ms]
(12) 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
		%a = alloca i32, align 4
		%b = alloca i32, align 4
		%c = alloca i32, align 4
		%r = alloca i32, align 4
		store 0, %1
		%2 = call i32 @__VERIFIER_nondet_int()
		store %2, %a
		%3 = call i32 @__VERIFIER_nondet_int()
		store %3, %b
		%4 = call i32 @__VERIFIER_nondet_int()
		store %4, %c
		br %5
	5:
		%6 = load %b
		%7 = load %c
		%8 = sub %6 %7
		%9 = icmp sge %8 1
		br %9, %10, %14
	10:
		%11 = load %a
		%12 = load %c
		%13 = icmp eq %11 %12
		br %14
	14:
		%15 = phi [0, %5], [%13, %10]
		br %15, %16, %23
	16:
		%17 = call i32 @__VERIFIER_nondet_int()
		store %17, %r
		store 10, %b
		%18 = load %c
		%19 = add %18 1
		%20 = load %r
		%21 = add %19 %20
		store %21, %c
		%22 = load %c
		store %22, %a

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