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


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


YES
proof of /export/starexec/sandbox2/benchmark/theBenchmark.c
# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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, 1986 ms]
(4) LLVM Symbolic Execution Graph
(5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms]
(6) TRUE


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(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: "f" linkageType: EXTERNALLY_VISIBLE returnParam: BasicVoidType parameters: (d i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%d_ref = alloca *i32, align 8
		%x = alloca *i32, align 8
		%y = alloca *i32, align 8
		%k = alloca *i32, align 8
		%z = alloca *i32, align 8
		store %d, %1
		%2 = alloca i8, numElementsLit: 4
		%3 = bitcast *i8 %2 to *i32
		store %3, %d_ref
		%4 = alloca i8, numElementsLit: 4
		%5 = bitcast *i8 %4 to *i32
		store %5, %x
		%6 = alloca i8, numElementsLit: 4
		%7 = bitcast *i8 %6 to *i32
		store %7, %y
		%8 = alloca i8, numElementsLit: 4
		%9 = bitcast *i8 %8 to *i32
		store %9, %k
		%10 = alloca i8, numElementsLit: 4
		%11 = bitcast *i8 %10 to *i32
		store %11, %z
		%12 = load %1
		%13 = load %d_ref
		store %12, %13
		%14 = load %x
		store 1, %14
		%15 = load %y
		store 1, %15
		%16 = load %k
		store 1, %16
		%17 = load %z
		store 1, %17
		%18 = load %k
		%19 = load %18
		%20 = icmp sgt %19 1073741823
		br %20, %21, %22
	21:
		br %72
	22:
		br %23
	23:
		br %24
	24:
		%25 = load %z
		%26 = load %25
		%27 = load %k
		%28 = load %27
		%29 = icmp slt %26 %28
		br %29, %30, %35
	30:
		%31 = load %z
		%32 = load %31
		%33 = mul 2 %32
		%34 = load %z
		store %33, %34
		br %24
	35:
		br %36
	36:
		br %37
	37:
		%38 = load %x
		%39 = load %38
		%40 = icmp sgt %39 0
		br %40, %41, %45
	41:
		%42 = load %y
		%43 = load %42
		%44 = icmp sgt %43 0
		br %45
	45:
		%46 = phi [0, %37], [%44, %41]
		br %46, %47, %72
	47:
		%48 = call i32 @__VERIFIER_nondet_int()
		%49 = icmp ne %48 0
		br %49, %50, %64
	50:
		br %51
	51:
		%52 = load %x
		%53 = load %52
		%54 = load %d_ref
		%55 = load %54
		%56 = sub %53 %55
		%57 = load %x
		store %56, %57
		%58 = call i32 @__VERIFIER_nondet_int()
		%59 = load %y
		store %58, %59
		%60 = load %z
		%61 = load %60
		%62 = sub %61 1
		%63 = load %z
		store %62, %63
		br %71
	64:
		%65 = load %y
		%66 = load %65
		%67 = load %d_ref
		%68 = load %67
		%69 = sub %66 %68
		%70 = load %y
		store %69, %70
		br %71
	71:
		br %37
	72:
		ret void

*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		store 0, %1
		%2 = call i32 @__VERIFIER_nondet_int()
		%3 = icmp ne %2 0
		br %3, %4, %5
	4:
		Unnamed Call-Instruction = call BasicVoidType @f(i32 1)
		br %6
	5:
		Unnamed Call-Instruction = call BasicVoidType @f(i32 2)
		br %6
	6:
		%7 = load %1
		ret %7


Analyze Termination of all function calls matching the pattern:
main()
----------------------------------------

(3) LLVMToTerminationGraphProof (EQUIVALENT)
Constructed symbolic execution graph for LLVM program and proved memory safety.
----------------------------------------

(4)
Obligation:
SE Graph
----------------------------------------

(5) SymbolicExecutionGraphToLassoProof (EQUIVALENT)
Converted SEGraph to 0 independent lassos.
----------------------------------------

(6)
TRUE