C pair #487568623

details

property	value
status	complete
benchmark	Ackermann_false-termination.c
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n107.star.cs.uiowa.edu
space	Ton_Chanh_15

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	18.7315869331 seconds
cpu usage	56.517309586
max memory	4.15471616E9

stage attributes

key	value
output-size	466361
starexec-result	MAYBE

output

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


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


MAYBE
proof of /export/starexec/sandbox2/benchmark/theBenchmark.c
# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty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, 10.2 s]
(4) LLVM Symbolic Execution Graph
(5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms]
(6) LLVM Symbolic Execution Lasso
    (7) Lasso2IRS [SOUND, 207 ms]
    (8) IntTRS
    (9) IRS2T2 [EQUIVALENT, 0 ms]
    (10) T2IntSys
    (11) T2 [COMPLETE, 1481 ms]
    (12) NO
(13) SymbolicExecutionGraphToSCCProof [SOUND, 0 ms]
(14) LLVM Symbolic Execution SCC
    (15) SCC2IRS [SOUND, 235 ms]
    (16) IntTRS
        (17) IRS2T2 [EQUIVALENT, 0 ms]
        (18) T2IntSys
        (19) T2 [COMPLETE, 1935 ms]
        (20) NO
    (21) SCC2IRS [SOUND, 214 ms]
    (22) IntTRS
        (23) IRS2T2 [EQUIVALENT, 0 ms]
        (24) T2IntSys
        (25) T2 [COMPLETE, 2155 ms]
        (26) NO
(27) SEGraph to IRS [SOUND, 916 ms]
(28) IntTRS
    (29) IRS2T2 [EQUIVALENT, 0 ms]
    (30) T2IntSys
    (31) T2 [COMPLETE, 2731 ms]
    (32) 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: true visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "Ack" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (m i32, n i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%2 = alloca i32, align 4
		%3 = alloca i32, align 4
		store %m, %2
		store %n, %3
		%4 = load %2
		%5 = icmp eq %4 0
		br %5, %6, %9
	6:
		%7 = load %3
		%8 = add %7 1
		store %8, %1
		br %24
	9:
		%10 = load %3
		%11 = icmp eq %10 0
		br %11, %12, %16
	12:

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