/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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty


Termination of the given C Problem could not be shown:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 172 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.TreeNode --> BasicStructureType(elementType: *struct.TreeNode, elementType: *struct.TreeNode)

struct.StackItem --> BasicStructureType(elementType: *struct.StackItem, elementType: *struct.TreeNode)

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: "free" returnParam: BasicVoidType parameters: (*i8) variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%root = alloca *BasicTypeName typeName: struct.TreeNodeBasicStructureType(elementType: *struct.TreeNode, elementType: *struct.TreeNode), align 8
		%n = alloca *BasicTypeName typeName: struct.TreeNodeBasicStructureType(elementType: *struct.TreeNode, elementType: *struct.TreeNode), align 8
		%s = alloca *BasicTypeName typeName: struct.StackItemBasicStructureType(elementType: *struct.StackItem, elementType: *struct.TreeNode), align 8
		%st = alloca *BasicTypeName typeName: struct.StackItemBasicStructureType(elementType: *struct.StackItem, elementType: *struct.TreeNode), align 8
		store 0, %1
		%2 = call noalias *i8 @malloc(i64 16) nounwind
		%3 = bitcast *i8 %2 to *BasicTypeName typeName: struct.TreeNodeBasicStructureType(elementType: *struct.TreeNode, elementType: *struct.TreeNode)
		store %3, %root
		%4 = load %root
		%5 = getelementptr %4, 0, 0
		store null, %5
		%6 = load %root
		%7 = getelementptr %6, 0, 1
		store null, %7
		br %8
	8:
		%9 = call i32 (...)* @__VERIFIER_nondet_int()
		%10 = icmp ne %9 0
		br %10, %11, %80
	11:
		%12 = load %root
		store %12, %n
		br %13
	13:
		%14 = load %n
		%15 = getelementptr %14, 0, 0
		%16 = load %15
		%17 = icmp ne %16 null
		br %17, %18, %23
	18:
		%19 = load %n
		%20 = getelementptr %19, 0, 1
		%21 = load %20
		%22 = icmp ne %21 null
		br %23
	23:
		%24 = phi [0, %13], [%22, %18]
		br %24, %25, %37
	25:
		%26 = call i32 (...)* @__VERIFIER_nondet_int()
		%27 = icmp ne %26 0
		br %27, %28, %32
	28:
		%29 = load %n
		%30 = getelementptr %29, 0, 0
		%31 = load %30
		store %31, %n
		br %36
	32:
		%33 = load %n
		%34 = getelementptr %33, 0, 1
		%35 = load %34
		store %35, %n
		br %36
	36:
		br %13
	37:
		%38 = load %n
		%39 = getelementptr %38, 0, 0
		%40 = load %39
		%41 = icmp ne %40 null
		br %41, %58, %42
	42:
		%43 = call i32 (...)* @__VERIFIER_nondet_int()
		%44 = icmp ne %43 0
		br %44, %45, %58
	45:
		%46 = call noalias *i8 @malloc(i64 16) nounwind
		%47 = bitcast *i8 %46 to *BasicTypeName typeName: struct.TreeNodeBasicStructureType(elementType: *struct.TreeNode, elementType: *struct.TreeNode)
		%48 = load %n
		%49 = getelementptr %48, 0, 0
		store %47, %49
		%50 = load %n
		%51 = getelementptr %50, 0, 0
		%52 = load %51
		%53 = getelementptr %52, 0, 0
		store null, %53
		%54 = load %n
		%55 = getelementptr %54, 0, 0
		%56 = load %55
		%57 = getelementptr %56, 0, 1
		store null, %57
		br %58
	58:
		%59 = load %n
		%60 = getelementptr %59, 0, 1
		%61 = load %60
		%62 = icmp ne %61 null
		br %62, %79, %63
	63:
		%64 = call i32 (...)* @__VERIFIER_nondet_int()
		%65 = icmp ne %64 0
		br %65, %66, %79
	66:
		%67 = call noalias *i8 @malloc(i64 16) nounwind
		%68 = bitcast *i8 %67 to *BasicTypeName typeName: struct.TreeNodeBasicStructureType(elementType: *struct.TreeNode, elementType: *struct.TreeNode)
		%69 = load %n
		%70 = getelementptr %69, 0, 1
		store %68, %70
		%71 = load %n
		%72 = getelementptr %71, 0, 1
		%73 = load %72
		%74 = getelementptr %73, 0, 0
		store null, %74
		%75 = load %n
		%76 = getelementptr %75, 0, 1
		%77 = load %76
		%78 = getelementptr %77, 0, 1
		store null, %78
		br %79
	79:
		br %8
	80:
		store null, %n
		%81 = call noalias *i8 @malloc(i64 16) nounwind
		%82 = bitcast *i8 %81 to *BasicTypeName typeName: struct.StackItemBasicStructureType(elementType: *struct.StackItem, elementType: *struct.TreeNode)
		store %82, %s
		%83 = load %s
		%84 = getelementptr %83, 0, 0
		store null, %84
		%85 = load %root
		%86 = load %s
		%87 = getelementptr %86, 0, 1
		store %85, %87
		br %88
	88:
		%89 = load %s
		%90 = icmp ne %89 null
		br %90, %91, %137
	91:
		%92 = load %s
		store %92, %st
		%93 = load %s
		%94 = getelementptr %93, 0, 0
		%95 = load %94
		store %95, %s
		%96 = load %st
		%97 = getelementptr %96, 0, 1
		%98 = load %97
		store %98, %n
		%99 = load %st
		%100 = bitcast *BasicTypeName typeName: struct.StackItemBasicStructureType(elementType: *struct.StackItem, elementType: *struct.TreeNode) %99 to *i8
		Unnamed Call-Instruction = call BasicVoidType @free(*i8 %100) nounwind
		%101 = load %n
		%102 = getelementptr %101, 0, 0
		%103 = load %102
		%104 = icmp ne %103 null
		br %104, %105, %117
	105:
		%106 = call noalias *i8 @malloc(i64 16) nounwind
		%107 = bitcast *i8 %106 to *BasicTypeName typeName: struct.StackItemBasicStructureType(elementType: *struct.StackItem, elementType: *struct.TreeNode)
		store %107, %st
		%108 = load %s
		%109 = load %st
		%110 = getelementptr %109, 0, 0
		store %108, %110
		%111 = load %n
		%112 = getelementptr %111, 0, 0
		%113 = load %112
		%114 = load %st
		%115 = getelementptr %114, 0, 1
		store %113, %115
		%116 = load %st
		store %116, %s
		br %117
	117:
		%118 = load %n
		%119 = getelementptr %118, 0, 1
		%120 = load %119
		%121 = icmp ne %120 null
		br %121, %122, %134
	122:
		%123 = call noalias *i8 @malloc(i64 16) nounwind
		%124 = bitcast *i8 %123 to *BasicTypeName typeName: struct.StackItemBasicStructureType(elementType: *struct.StackItem, elementType: *struct.TreeNode)
		store %124, %st
		%125 = load %s
		%126 = load %st
		%127 = getelementptr %126, 0, 0
		store %125, %127
		%128 = load %n
		%129 = getelementptr %128, 0, 1
		%130 = load %129
		%131 = load %st
		%132 = getelementptr %131, 0, 1
		store %130, %132
		%133 = load %st
		store %133, %s
		br %134
	134:
		%135 = load %n
		%136 = bitcast *BasicTypeName typeName: struct.TreeNodeBasicStructureType(elementType: *struct.TreeNode, elementType: *struct.TreeNode) %135 to *i8
		Unnamed Call-Instruction = call BasicVoidType @free(*i8 %136) nounwind
		br %88
	137:
		ret 0


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