C pair #487094420

details

property	value
status	complete
benchmark	ChenFlurMukhopadhyay-SAS2012-Ex4.01_true-termination.c
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n138.star.cs.uiowa.edu
space	SV-COMP_Termination_Category

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	5.64552 seconds
cpu usage	17.5124
user time	16.7801
system time	0.732289
max virtual memory	3.9665852E7
max residence set size	1385252.0

stage attributes

key	value
starexec-result	YES

output

YES
proof of /export/starexec/sandbox2/benchmark/theBenchmark.c
# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty


Termination of the given C Problem could be proven:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 175 ms]
(2) LLVM problem
(3) LLVMToTerminationGraphProof [EQUIVALENT, 2089 ms]
(4) LLVM Symbolic Execution Graph
(5) SymbolicExecutionGraphToSCCProof [SOUND, 0 ms]
(6) LLVM Symbolic Execution SCC
(7) SCC2IRS [SOUND, 80 ms]
(8) IntTRS
(9) TerminationGraphProcessor [EQUIVALENT, 2 ms]
(10) IntTRS
(11) IntTRSCompressionProof [EQUIVALENT, 0 ms]
(12) IntTRS
(13) RankingReductionPairProof [EQUIVALENT, 0 ms]
(14) YES


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

(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: true 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
		%n = 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
		%5 = call i32 (...)* @__VERIFIER_nondet_int()
		store %5, %n
		br %6
	6:
		%7 = load %x
		%8 = load %y
		%9 = add %7 %8
		%10 = icmp sge %9 0
		br %10, %11, %15
	11:
		%12 = load %x
		%13 = load %n
		%14 = icmp sle %12 %13
		br %15
	15:
		%16 = phi [0, %6], [%14, %11]
		br %16, %17, %25
	17:
		%18 = load %x
		%19 = mul 2 %18
		%20 = load %y
		%21 = add %19 %20
		store %21, %x
		%22 = load %z
		store %22, %y
		%23 = load %z
		%24 = add %23 1
		store %24, %z
		br %6
	25:

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