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


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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# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty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, 170 ms]
(2) LLVM problem


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

(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:

struct.node --> BasicStructureType(elementType: i32, elementType: *struct.node)

Global variables:

Function declarations and definitions:

*BasicFunctionTypename: "malloc" returnParam: *i8 noalias parameters: (i64) variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: true visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "__VERIFIER_error" returnParam: BasicVoidType parameters: () variableLength: true visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "free" returnParam: BasicVoidType parameters: (*i8) variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "exit" linkageType: EXTERNALLY_VISIBLE returnParam: BasicVoidType parameters: (s i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		store %s, %1
		br %2
	2:
		br %2
	3:
		ret void

*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%i = alloca i32, align 4
		%y = alloca i32, align 4
		%a = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node), align 8
		%t = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node), align 8
		%p = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node), align 8
		store 0, %1
		store 0, %i
		store 0, %y
		%2 = call noalias *i8 @malloc(i64 16) nounwind
		%3 = bitcast *i8 %2 to *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node)
		store %3, %a
		%4 = load %a
		%5 = icmp eq %4 null
		br %5, %6, %7
	6:
		Unnamed Call-Instruction = call BasicVoidType @exit(i32 1) noreturn nounwind
		unreachable
	7:
		%8 = load %a
		store %8, %p
		br %9
	9:
		%10 = load %i
		%11 = icmp slt %10 10
		br %11, %12, %15
	12:
		%13 = call i32 (...)* @__VERIFIER_nondet_int()
		%14 = icmp ne %13 0
		br %15
	15:
		%16 = phi [0, %9], [%14, %12]
		br %16, %17, %34
	17:
		%18 = load %i
		%19 = add %18 1
		store %19, %i
		%20 = load %p
		%21 = getelementptr %20, 0, 0
		store 1, %21
		%22 = call noalias *i8 @malloc(i64 16) nounwind
		%23 = bitcast *i8 %22 to *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node)
		store %23, %t
		%24 = load %t
		%25 = icmp eq %24 null
		br %25, %26, %27
	26:
		Unnamed Call-Instruction = call BasicVoidType @exit(i32 1) noreturn nounwind
		unreachable
	27:
		%28 = load %t
		%29 = load %p
		%30 = getelementptr %29, 0, 1
		store %28, %30
		%31 = load %p
		%32 = getelementptr %31, 0, 1
		%33 = load %32
		store %33, %p
		br %9
	34:
		br %35
	35:
		%36 = load %y
		%37 = icmp slt %36 10
		br %37, %38, %41
	38:
		%39 = call i32 (...)* @__VERIFIER_nondet_int()
		%40 = icmp ne %39 0
		br %41
	41:
		%42 = phi [0, %35], [%40, %38]
		br %42, %43, %60
	43:
		%44 = load %y
		%45 = add %44 1
		store %45, %y
		%46 = load %p
		%47 = getelementptr %46, 0, 0
		store 2, %47
		%48 = call noalias *i8 @malloc(i64 16) nounwind
		%49 = bitcast *i8 %48 to *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node)
		store %49, %t
		%50 = load %t
		%51 = icmp eq %50 null
		br %51, %52, %53
	52:
		Unnamed Call-Instruction = call BasicVoidType @exit(i32 1) noreturn nounwind
		unreachable
	53:
		%54 = load %t
		%55 = load %p
		%56 = getelementptr %55, 0, 1
		store %54, %56
		%57 = load %p
		%58 = getelementptr %57, 0, 1
		%59 = load %58
		store %59, %p
		br %35
	60:
		%61 = load %p
		%62 = getelementptr %61, 0, 0
		store 3, %62
		%63 = load %p
		%64 = getelementptr %63, 0, 1
		store null, %64
		store 0, %i
		store 0, %y
		%65 = load %a
		store %65, %p
		br %66
	66:
		%67 = load %p
		%68 = getelementptr %67, 0, 0
		%69 = load %68
		%70 = icmp eq %69 1
		br %70, %71, %77
	71:
		%72 = load %i
		%73 = add %72 1
		store %73, %i
		%74 = load %p
		%75 = getelementptr %74, 0, 1
		%76 = load %75
		store %76, %p
		br %66
	77:
		br %78
	78:
		%79 = load %p
		%80 = getelementptr %79, 0, 0
		%81 = load %80
		%82 = icmp eq %81 2
		br %82, %83, %89
	83:
		%84 = load %y
		%85 = add %84 1
		store %85, %y
		%86 = load %p
		%87 = getelementptr %86, 0, 1
		%88 = load %87
		store %88, %p
		br %78
	89:
		%90 = load %p
		%91 = getelementptr %90, 0, 0
		%92 = load %91
		%93 = icmp ne %92 3
		br %93, %99, %94
	94:
		%95 = load %i
		%96 = load %y
		%97 = add %95 %96
		%98 = icmp sgt %97 20
		br %98, %99, %101
	99:
		br %100
	100:
		Unnamed Call-Instruction = call BasicVoidType (...)* @__VERIFIER_error() noreturn
		unreachable
	101:
		%102 = load %a
		store %102, %p
		br %103
	103:
		%104 = load %p
		%105 = getelementptr %104, 0, 1
		%106 = load %105
		%107 = icmp ne %106 null
		br %107, %108, %115
	108:
		%109 = load %p
		%110 = getelementptr %109, 0, 1
		%111 = load %110
		store %111, %t
		%112 = load %p
		%113 = bitcast *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node) %112 to *i8
		Unnamed Call-Instruction = call BasicVoidType @free(*i8 %113) nounwind
		%114 = load %t
		store %114, %p
		br %103
	115:
		%116 = load %p
		%117 = bitcast *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node) %116 to *i8
		Unnamed Call-Instruction = call BasicVoidType @free(*i8 %117) nounwind
		ret 0


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