C 88007 pair #381734951

details

property	value
status	complete
benchmark	NestedRecursion_2b_false-termination.c
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n053.star.cs.uiowa.edu
space	Ton_Chanh_15

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	4.93519306183 seconds
cpu usage	12.860225421
max memory	7.58267904E8

stage attributes

key	value
output-size	34765
starexec-result	MAYBE

output

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


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


MAYBE
proof of /export/starexec/sandbox/benchmark/theBenchmark.c
# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty


Termination of the given C Problem could not be shown:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 175 ms]
(2) LLVM problem
(3) LLVMToTerminationGraphProof [EQUIVALENT, 845 ms]
(4) LLVM Symbolic Execution Graph
(5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms]
(6) LLVM Symbolic Execution Lasso
    (7) Lasso2IRS [SOUND, 21 ms]
    (8) IntTRS
    (9) IRS2T2 [EQUIVALENT, 0 ms]
    (10) T2IntSys
    (11) T2 [COMPLETE, 1153 ms]
    (12) NO
(13) SymbolicExecutionGraphToSCCProof [SOUND, 0 ms]
(14) LLVM Symbolic Execution SCC
    (15) SCC2IRS [SOUND, 36 ms]
    (16) IntTRS
        (17) IntTRSCompressionProof [EQUIVALENT, 0 ms]
        (18) IntTRS
        (19) IntTRSPeriodicNontermProof [COMPLETE, 10 ms]
        (20) NO
    (21) SCC2IRS [SOUND, 0 ms]
    (22) IntTRS
        (23) IntTRSCompressionProof [EQUIVALENT, 0 ms]
        (24) IntTRS
        (25) IntTRSPeriodicNontermProof [COMPLETE, 15 ms]
        (26) NO
(27) SEGraph to IRS [SOUND, 43 ms]
(28) IntTRS
    (29) IRS2T2 [EQUIVALENT, 0 ms]
    (30) T2IntSys
    (31) T2 [COMPLETE, 1414 ms]
    (32) 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: true visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "g" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (x i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%2 = alloca i32, align 4
		store %x, %2
		%3 = load %2
		%4 = icmp eq %3 0
		br %4, %5, %6
	5:
		store 1, %1
		br %12
	6:
		%7 = load %2
		%8 = sub %7 1
		%9 = call i32 @g(i32 %8)
		%10 = add %9 1
		%11 = call i32 @g(i32 %10)
		store %11, %1
		br %12
	12:

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job log

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actions all output return to C 88007