9.27/3.41	YES
9.27/3.43	proof of /export/starexec/sandbox2/benchmark/theBenchmark.c
9.27/3.43	# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty
9.27/3.43	
9.27/3.43	
9.27/3.43	Termination of the given C Problem could be proven:
9.27/3.43	
9.27/3.43	(0) C Problem
9.27/3.43	(1) CToLLVMProof [EQUIVALENT, 173 ms]
9.27/3.43	(2) LLVM problem
9.27/3.43	(3) LLVMToTerminationGraphProof [EQUIVALENT, 871 ms]
9.27/3.43	(4) LLVM Symbolic Execution Graph
9.27/3.43	(5) SymbolicExecutionGraphToSCCProof [SOUND, 0 ms]
9.27/3.43	(6) LLVM Symbolic Execution SCC
9.27/3.43	(7) SCC2IRS [SOUND, 109 ms]
9.27/3.43	(8) IntTRS
9.27/3.43	(9) IntTRSCompressionProof [EQUIVALENT, 0 ms]
9.27/3.43	(10) IntTRS
9.27/3.43	(11) PolynomialOrderProcessor [EQUIVALENT, 0 ms]
9.27/3.43	(12) YES
9.27/3.43	
9.27/3.43	
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(0)
9.27/3.43	Obligation:
9.27/3.43	c file /export/starexec/sandbox2/benchmark/theBenchmark.c
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(1) CToLLVMProof (EQUIVALENT)
9.27/3.43	Compiled c-file /export/starexec/sandbox2/benchmark/theBenchmark.c to LLVM.
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(2)
9.27/3.43	Obligation:
9.27/3.43	LLVM Problem
9.27/3.43	
9.27/3.43	Aliases:
9.27/3.43	
9.27/3.43	Data layout:
9.27/3.43	
9.27/3.43	"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"
9.27/3.43	
9.27/3.43	Machine:
9.27/3.43	
9.27/3.43	"x86_64-pc-linux-gnu"
9.27/3.43	
9.27/3.43	Type definitions:
9.27/3.43	
9.27/3.43	Global variables:
9.27/3.43	
9.27/3.43	Function declarations and definitions:
9.27/3.43	
9.27/3.43	*BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
9.27/3.43	*BasicFunctionTypename: "malloc" returnParam: *i8 parameters: (i64) variableLength: false visibilityType: DEFAULT callingConvention: ccc
9.27/3.43	*BasicFunctionTypename: "__VERIFIER_nondet_String" linkageType: EXTERNALLY_VISIBLE returnParam: *i8 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
9.27/3.43		0:
9.27/3.43			%length = alloca i32, align 4
9.27/3.43			%nondetString = alloca *i8, align 8
9.27/3.43			%1 = call i32 @__VERIFIER_nondet_int()
9.27/3.43			store %1, %length
9.27/3.43			%2 = load %length
9.27/3.43			%3 = icmp slt %2 1
9.27/3.43			br %3, %4, %5
9.27/3.43		4:
9.27/3.43			store 1, %length
9.27/3.43			br %5
9.27/3.43		5:
9.27/3.43			%6 = load %length
9.27/3.43			%7 = sext i32 %6 to i64
9.27/3.43			%8 = mul %7 1
9.27/3.43			%9 = call *i8 @malloc(i64 %8)
9.27/3.43			store %9, %nondetString
9.27/3.43			%10 = load %length
9.27/3.43			%11 = sub %10 1
9.27/3.43			%12 = sext i32 %11 to i64
9.27/3.43			%13 = load %nondetString
9.27/3.43			%14 = getelementptr %13, %12
9.27/3.43			store 0, %14
9.27/3.43			%15 = load %nondetString
9.27/3.43			ret %15
9.27/3.43	
9.27/3.43	*BasicFunctionTypename: "cstrchr" linkageType: EXTERNALLY_VISIBLE returnParam: *i8 parameters: (s *i8, c i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
9.27/3.43		0:
9.27/3.43			%1 = alloca *i8, align 8
9.27/3.43			%2 = alloca i32, align 4
9.27/3.43			store %s, %1
9.27/3.43			store %c, %2
9.27/3.43			br %3
9.27/3.43		3:
9.27/3.43			%4 = load %1
9.27/3.43			%5 = load %4
9.27/3.43			%6 = sext i8 %5 to i32
9.27/3.43			%7 = icmp ne %6 0
9.27/3.43			br %7, %8, %16
9.27/3.43		8:
9.27/3.43			%9 = load %1
9.27/3.43			%10 = load %9
9.27/3.43			%11 = sext i8 %10 to i32
9.27/3.43			%12 = load %2
9.27/3.43			%13 = trunc i32 %12 to i8
9.27/3.43			%14 = sext i8 %13 to i32
9.27/3.43			%15 = icmp ne %11 %14
9.27/3.43			br %16
9.27/3.43		16:
9.27/3.43			%17 = phi [0, %3], [%15, %8]
9.27/3.43			br %17, %18, %21
9.27/3.43		18:
9.27/3.43			%19 = load %1
9.27/3.43			%20 = getelementptr %19, 1
9.27/3.43			store %20, %1
9.27/3.43			br %3
9.27/3.43		21:
9.27/3.43			%22 = load %1
9.27/3.43			%23 = load %22
9.27/3.43			%24 = sext i8 %23 to i32
9.27/3.43			%25 = load %2
9.27/3.43			%26 = icmp eq %24 %25
9.27/3.43			br %26, %27, %29
9.27/3.43		27:
9.27/3.43			%28 = load %1
9.27/3.43			br %30
9.27/3.43		29:
9.27/3.43			br %30
9.27/3.43		30:
9.27/3.43			%31 = phi [%28, %27], [null, %29]
9.27/3.43			ret %31
9.27/3.43	
9.27/3.43	*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
9.27/3.43		0:
9.27/3.43			%1 = alloca i32, align 4
9.27/3.43			store 0, %1
9.27/3.43			%2 = call *i8 @__VERIFIER_nondet_String()
9.27/3.43			%3 = call i32 @__VERIFIER_nondet_int()
9.27/3.43			%4 = call *i8 @cstrchr(*i8 %2, i32 %3)
9.27/3.43			ret 0
9.27/3.43	
9.27/3.43	
9.27/3.43	Analyze Termination of all function calls matching the pattern:
9.27/3.43	main()
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(3) LLVMToTerminationGraphProof (EQUIVALENT)
9.27/3.43	Constructed symbolic execution graph for LLVM program and proved memory safety.
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(4)
9.27/3.43	Obligation:
9.27/3.43	SE Graph
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(5) SymbolicExecutionGraphToSCCProof (SOUND)
9.27/3.43	Splitted symbolic execution graph to 1 SCC.
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(6)
9.27/3.43	Obligation:
9.27/3.43	SCC
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(7) SCC2IRS (SOUND)
9.27/3.43	Transformed LLVM symbolic execution graph SCC into a rewrite problem. Log: 
9.27/3.43	Generated rules. Obtained 21 rulesP rules:
9.27/3.43	f_358(v259, v260, v261, v262, v267, v264, 1, v263, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) -> f_359(v259, v260, v261, v262, v267, v275, v264, 1, v263, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) :|: TRUE
9.27/3.43	f_359(v259, v260, v261, v262, v267, v275, v264, 1, v263, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) -> f_360(v259, v260, v261, v262, v267, v275, 1, v263, v264, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	f_360(v259, v260, v261, v262, v267, v275, 1, v263, v264, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) -> f_361(v259, v260, v261, v262, v267, v275, 1, v263, v264, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) :|: v275 != 0 && v267 < v270 && 3 <= v270
9.27/3.43	f_361(v259, v260, v261, v262, v267, v275, 1, v263, v264, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) -> f_363(v259, v260, v261, v262, v267, v275, 1, v263, v264, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	f_363(v259, v260, v261, v262, v267, v275, 1, v263, v264, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) -> f_365(v259, v260, v261, v262, v267, v275, 1, v263, v264, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) :|: TRUE
9.27/3.43	f_365(v259, v260, v261, v262, v267, v275, 1, v263, v264, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) -> f_367(v259, v260, v261, v262, v267, v275, 1, v264, v266, v263, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	f_367(v259, v260, v261, v262, v267, v275, 1, v264, v266, v263, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) -> f_369(v259, v260, v261, v262, v267, v275, 1, v264, v266, v263, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	f_369(v259, v260, v261, v262, v267, v275, 1, v264, v266, v263, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) -> f_371(v259, v260, v261, v262, v267, v275, 1, v266, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	f_371(v259, v260, v261, v262, v267, v275, 1, v266, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) -> f_373(v259, v260, v261, v262, v267, v275, 1, v266, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	f_373(v259, v260, v261, v262, v267, v275, 1, v266, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) -> f_375(v259, v260, v261, v262, v267, v275, 1, v292, v266, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) :|: TRUE
9.27/3.43	f_375(v259, v260, v261, v262, v267, v275, 1, v292, v266, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) -> f_377(v259, v260, v261, v262, v267, v275, 1, v292, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	f_377(v259, v260, v261, v262, v267, v275, 1, v292, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) -> f_380(v259, v260, v261, v262, v267, v275, 1, v292, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) :|: v275 != v292
9.27/3.43	f_380(v259, v260, v261, v262, v267, v275, 1, v292, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) -> f_384(v259, v260, v261, v262, v267, v275, 1, v292, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	f_384(v259, v260, v261, v262, v267, v275, 1, v292, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) -> f_388(v259, v260, v261, v262, v267, v275, 1, v292, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	f_388(v259, v260, v261, v262, v267, v275, 1, v292, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) -> f_392(v259, v260, v261, v262, v267, v275, 1, v292, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) :|: TRUE
9.27/3.43	f_392(v259, v260, v261, v262, v267, v275, 1, v292, v263, v268, v269, v270, v271, v272, v273, v264, 0, 3, 7, 2, 4, 8) -> f_396(v259, v260, v261, v262, v267, v275, 1, v292, v268, v269, v270, v271, v272, v273, v263, v264, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	f_396(v259, v260, v261, v262, v267, v275, 1, v292, v268, v269, v270, v271, v272, v273, v263, v264, 0, 3, 7, 2, 4, 8) -> f_399(v259, v260, v261, v262, v267, v275, 1, v292, v370, v268, v269, v270, v271, v272, v273, v263, v264, 0, 3, 7, 2, 4, 8) :|: v370 = 1 + v267 && 3 <= v370
9.27/3.43	f_399(v259, v260, v261, v262, v267, v275, 1, v292, v370, v268, v269, v270, v271, v272, v273, v263, v264, 0, 3, 7, 2, 4, 8) -> f_401(v259, v260, v261, v262, v267, v275, 1, v292, v370, v268, v269, v270, v271, v272, v273, v263, v264, 0, 3, 7, 2, 4, 8) :|: TRUE
9.27/3.43	f_401(v259, v260, v261, v262, v267, v275, 1, v292, v370, v268, v269, v270, v271, v272, v273, v263, v264, 0, 3, 7, 2, 4, 8) -> f_403(v259, v260, v261, v262, v267, v275, 1, v292, v370, v268, v269, v270, v271, v272, v273, v263, v264, 0, 3, 7, 2, 4, 8) :|: TRUE
9.27/3.43	f_403(v259, v260, v261, v262, v267, v275, 1, v292, v370, v268, v269, v270, v271, v272, v273, v263, v264, 0, 3, 7, 2, 4, 8) -> f_357(v259, v260, v261, v262, v267, v275, 1, v292, v370, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) :|: TRUE
9.27/3.43	f_357(v259, v260, v261, v262, v263, v264, 1, v266, v267, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) -> f_358(v259, v260, v261, v262, v267, v264, 1, v263, v266, v268, v269, v270, v271, v272, v273, 0, 3, 7, 2, 4, 8) :|: 0 = 0
9.27/3.43	Combined rules. Obtained 4 rulesP rules:
9.27/3.43	f_358(v259:0, v260:0, v261:0, v262:0, v267:0, v264:0, 1, v263:0, v266:0, v268:0, v269:0, v270:0, v271:0, v272:0, v273:0, 0, 3, 7, 2, 4, 8) -> f_358(v259:0, v260:0, v261:0, v262:0, 1 + v267:0, v275:0, 1, v267:0, v292:0, v268:0, v269:0, v270:0, v271:0, v272:0, v273:0, 0, 3, 7, 2, 4, 8) :|: v270:0 > v267:0 && v275:0 < 0 && v270:0 > 2 && v267:0 > 1 && v292:0 > v275:0
9.27/3.43	f_358(v259:0, v260:0, v261:0, v262:0, v267:0, v264:0, 1, v263:0, v266:0, v268:0, v269:0, v270:0, v271:0, v272:0, v273:0, 0, 3, 7, 2, 4, 8) -> f_358(v259:0, v260:0, v261:0, v262:0, 1 + v267:0, v275:0, 1, v267:0, v292:0, v268:0, v269:0, v270:0, v271:0, v272:0, v273:0, 0, 3, 7, 2, 4, 8) :|: v270:0 > v267:0 && v275:0 < 0 && v270:0 > 2 && v267:0 > 1 && v292:0 < v275:0
9.27/3.43	f_358(v259:0, v260:0, v261:0, v262:0, v267:0, v264:0, 1, v263:0, v266:0, v268:0, v269:0, v270:0, v271:0, v272:0, v273:0, 0, 3, 7, 2, 4, 8) -> f_358(v259:0, v260:0, v261:0, v262:0, 1 + v267:0, v275:0, 1, v267:0, v292:0, v268:0, v269:0, v270:0, v271:0, v272:0, v273:0, 0, 3, 7, 2, 4, 8) :|: v270:0 > v267:0 && v275:0 > 0 && v270:0 > 2 && v267:0 > 1 && v292:0 > v275:0
9.27/3.43	f_358(v259:0, v260:0, v261:0, v262:0, v267:0, v264:0, 1, v263:0, v266:0, v268:0, v269:0, v270:0, v271:0, v272:0, v273:0, 0, 3, 7, 2, 4, 8) -> f_358(v259:0, v260:0, v261:0, v262:0, 1 + v267:0, v275:0, 1, v267:0, v292:0, v268:0, v269:0, v270:0, v271:0, v272:0, v273:0, 0, 3, 7, 2, 4, 8) :|: v270:0 > v267:0 && v275:0 > 0 && v270:0 > 2 && v267:0 > 1 && v292:0 < v275:0
9.27/3.43	Filtered unneeded arguments:
9.27/3.43	   f_358(x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21) -> f_358(x5, x12)
9.27/3.43	Removed division, modulo operations, cleaned up constraints. Obtained 1 rules.P rules:
9.27/3.43	f_358(v267:0, v270:0) -> f_358(1 + v267:0, v270:0) :|: v270:0 > 2 && v267:0 > 1 && v270:0 > v267:0
9.27/3.43	
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(8)
9.27/3.43	Obligation:
9.27/3.43	Rules:
9.27/3.43	f_358(v267:0, v270:0) -> f_358(1 + v267:0, v270:0) :|: v270:0 > 2 && v267:0 > 1 && v270:0 > v267:0
9.27/3.43	
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(9) IntTRSCompressionProof (EQUIVALENT)
9.27/3.43	Compressed rules.
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(10)
9.27/3.43	Obligation:
9.27/3.43	Rules:
9.27/3.43	f_358(v267:0:0, v270:0:0) -> f_358(1 + v267:0:0, v270:0:0) :|: v270:0:0 > 2 && v267:0:0 > 1 && v270:0:0 > v267:0:0
9.27/3.43	
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(11) PolynomialOrderProcessor (EQUIVALENT)
9.27/3.43	Found the following polynomial interpretation:
9.27/3.43	[f_358(x, x1)] = -1 - x + x1
9.27/3.43	
9.27/3.43	The following rules are decreasing:
9.27/3.43	f_358(v267:0:0, v270:0:0) -> f_358(1 + v267:0:0, v270:0:0) :|: v270:0:0 > 2 && v267:0:0 > 1 && v270:0:0 > v267:0:0
9.27/3.43	The following rules are bounded:
9.27/3.43	f_358(v267:0:0, v270:0:0) -> f_358(1 + v267:0:0, v270:0:0) :|: v270:0:0 > 2 && v267:0:0 > 1 && v270:0:0 > v267:0:0
9.27/3.43	
9.27/3.43	----------------------------------------
9.27/3.43	
9.27/3.43	(12)
9.27/3.43	YES
9.63/3.46	EOF