details

property	value
status	complete
benchmark	RecursiveNonterminating_false-termination.c
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n140.star.cs.uiowa.edu
space	Ultimate

run statistics

property	value
solver	AProVE
configuration	c
runtime (wallclock)	5.22111 seconds
cpu usage	14.5902
user time	14.069
system time	0.521201
max virtual memory	1.9897808E7
max residence set size	941676.0

stage attributes

key	value
starexec-result	NO

output

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# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Termination of the given C Problem could be disproven: (0) C Problem (1) CToLLVMProof [EQUIVALENT, 173 ms] (2) LLVM problem (3) LLVMToTerminationGraphProof [EQUIVALENT, 1403 ms] (4) LLVM Symbolic Execution Graph (5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms] (6) LLVM Symbolic Execution Lasso (7) Lasso2IRS [EQUIVALENT, 76 ms] (8) IntTRS (9) IRS2T2 [EQUIVALENT, 0 ms] (10) T2IntSys (11) T2 [COMPLETE, 1319 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: "rec" linkageType: EXTERNALLY_VISIBLE returnParam: BasicVoidType parameters: (x i32, y i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc 0: %1 = alloca i32, align 4 %2 = alloca i32, align 4 store %x, %1 store %y, %2 %3 = load %1 %4 = icmp sle %3 23 br %4, %5, %14 5: %6 = load %1 %7 = icmp sge %6 -42 br %7, %8, %14 8: %9 = load %2 %10 = mul 2 %9 %11 = sub %10 2 %12 = load %1 %13 = add %12 1 Unnamed Call-Instruction = call BasicVoidType @rec(i32 %11, i32 %13) br %14 14: ret void *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 0: %1 = alloca i32, align 4 %n = alloca i32, align 4 store 0, %1 %2 = call i32 @__VERIFIER_nondet_int() store %2, %n %3 = load %n %4 = load %n %5 = add %4 1 Unnamed Call-Instruction = call BasicVoidType @rec(i32 %3, i32 %5) ret 0 Analyze Termination of all function calls matching the pattern: main() ---------------------------------------- (3) LLVMToTerminationGraphProof (EQUIVALENT) Constructed symbolic execution graph for LLVM program and proved memory safety. ---------------------------------------- popout

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job log

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actions

all output return to C