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


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YES
proof of /export/starexec/sandbox2/benchmark/theBenchmark.c
# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty


Termination of the given C Problem could be proven:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 168 ms]
(2) LLVM problem
(3) LLVMToTerminationGraphProof [EQUIVALENT, 2785 ms]
(4) LLVM Symbolic Execution Graph
(5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 2 ms]
(6) LLVM Symbolic Execution Lasso
(7) Lasso2IRS [SOUND, 121 ms]
(8) IntTRS
(9) IRS2T2 [EQUIVALENT, 0 ms]
(10) T2IntSys
(11) T2 [EQUIVALENT, 1143 ms]
(12) YES


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

(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: "test_fun" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (x i32, y i32, z i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%2 = alloca i32, align 4
		%3 = alloca i32, align 4
		%c = alloca i32, align 4
		store %x, %1
		store %y, %2
		store %z, %3
		store 0, %c
		br %4
	4:
		%5 = load %1
		%6 = load %2
		%7 = load %3
		%8 = add %6 %7
		%9 = icmp sgt %5 %8
		br %9, %10, %17
	10:
		%11 = load %2
		%12 = add %11 1
		store %12, %2
		%13 = load %3
		%14 = add %13 1
		store %14, %3
		%15 = load %c
		%16 = add %15 1
		store %16, %c
		br %4
	17:
		%18 = load %c
		ret %18

*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 = call i32 @__VERIFIER_nondet_int()
		%4 = call i32 @__VERIFIER_nondet_int()
		%5 = call i32 @test_fun(i32 %2, i32 %3, i32 %4)
		ret %5


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 1 independent lasso.
----------------------------------------

(6)
Obligation:
Lasso
----------------------------------------

(7) Lasso2IRS (SOUND)
Transformed LLVM symbolic execution graph SCC into a rewrite problem. Log: 
Generated rules. Obtained 55 rulesP rules:
f_259(v143, v144, v145, v146, v147, v148, v149, v150, v151, v152, 1, v154, v155, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_260(v143, v144, v145, v146, v147, v148, v149, v154, v151, v152, 1, v150, v155, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: 0 = 0
f_260(v143, v144, v145, v146, v147, v148, v149, v154, v151, v152, 1, v150, v155, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_261(v143, v144, v145, v146, v147, v148, v149, v154, v155, v152, 1, v150, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: 0 = 0
f_261(v143, v144, v145, v146, v147, v148, v149, v154, v155, v152, 1, v150, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_262(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v150, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: v165 = v154 + v155
f_262(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v150, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_263(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v150, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: v165 < v143
f_263(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v150, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_265(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v150, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: 0 = 0
f_265(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v150, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_267(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v150, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: TRUE
f_267(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v150, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_269(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: 0 = 0
f_269(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_271(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: v166 = 1 + v154
f_271(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_273(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: TRUE
f_273(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v151, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_274(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: 0 = 0
f_274(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_275(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: v168 = 1 + v155
f_275(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_276(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: TRUE
f_276(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_277(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: 0 = 0
f_277(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_278(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v157, v170, v158, v159, v160, v161, v162, v163, 0, 3, 4, 2) :|: v170 = 1 + v157 && 2 <= v170
f_278(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v157, v170, v158, v159, v160, v161, v162, v163, 0, 3, 4, 2) -> f_279(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v157, v170, v158, v159, v160, v161, v162, v163, 0, 3, 4, 2) :|: TRUE
f_279(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v157, v170, v158, v159, v160, v161, v162, v163, 0, 3, 4, 2) -> f_280(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v157, v170, v158, v159, v160, v161, v162, v163, 0, 3, 4, 2) :|: TRUE
f_280(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v157, v170, v158, v159, v160, v161, v162, v163, 0, 3, 4, 2) -> f_258(v143, v144, v145, v146, v147, v148, v149, v154, v155, v165, 1, v166, v168, v157, v170, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: TRUE
f_258(v143, v144, v145, v146, v147, v148, v149, v150, v151, v152, 1, v154, v155, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) -> f_259(v143, v144, v145, v146, v147, v148, v149, v150, v151, v152, 1, v154, v155, v156, v157, v158, v159, v160, v161, v162, v163, 0, 3, 4) :|: 0 = 0
f_106 -> f_107(v1, v2, 3, 1, 4) :|: 1 <= v1 && v2 = 3 + v1 && 4 <= v2
f_107(v1, v2, 3, 1, 4) -> f_108(v1, v2, 0, 3, 1, 4) :|: TRUE
f_108(v1, v2, 0, 3, 1, 4) -> f_109(v1, v3, v2, 0, 3, 1, 4) :|: TRUE
f_109(v1, v3, v2, 0, 3, 1, 4) -> f_110(v1, v3, v4, v2, 0, 3, 1, 4) :|: TRUE
f_110(v1, v3, v4, v2, 0, 3, 1, 4) -> f_111(v1, v3, v4, v5, v2, 0, 3, 1, 4) :|: TRUE
f_111(v1, v3, v4, v5, v2, 0, 3, 1, 4) -> f_112(v3, v4, v5, v1, v2, 0, 3, 1, 4) :|: 0 = 0
f_112(v3, v4, v5, v1, v2, 0, 3, 1, 4) -> f_113(v3, v4, v5, v6, v1, v2, v7, 0, 3, 1, 4) :|: 1 <= v6 && v7 = 3 + v6 && 4 <= v7
f_113(v3, v4, v5, v6, v1, v2, v7, 0, 3, 1, 4) -> f_114(v3, v4, v5, v6, v8, v1, v2, v7, v9, 0, 3, 1, 4) :|: 1 <= v8 && v9 = 3 + v8 && 4 <= v9
f_114(v3, v4, v5, v6, v8, v1, v2, v7, v9, 0, 3, 1, 4) -> f_115(v3, v4, v5, v6, v8, v10, v1, v2, v7, v9, v11, 0, 3, 1, 4) :|: 1 <= v10 && v11 = 3 + v10 && 4 <= v11
f_115(v3, v4, v5, v6, v8, v10, v1, v2, v7, v9, v11, 0, 3, 1, 4) -> f_116(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: 1 <= v12 && v13 = 3 + v12 && 4 <= v13
f_116(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_117(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: TRUE
f_117(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_118(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: TRUE
f_118(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_119(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: TRUE
f_119(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_120(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: TRUE
f_120(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_121(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: TRUE
f_121(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_122(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: 0 = 0
f_122(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_123(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: 0 = 0
f_123(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_124(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: 0 = 0
f_124(v3, v4, v5, v6, v8, v10, v12, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_125(v3, v4, v5, v6, v8, v10, v12, v17, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: v17 = v4 + v5
f_125(v3, v4, v5, v6, v8, v10, v12, v17, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_126(v3, v4, v5, v6, v8, v10, v12, v17, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) :|: v17 < v3
f_126(v3, v4, v5, v6, v8, v10, v12, v17, v1, v2, v7, v9, v11, v13, 0, 3, 1, 4) -> f_128(v3, v4, v5, v6, v8, v10, v12, v17, 1, v1, v2, v7, v9, v11, v13, 0, 3, 4) :|: 0 = 0
f_128(v3, v4, v5, v6, v8, v10, v12, v17, 1, v1, v2, v7, v9, v11, v13, 0, 3, 4) -> f_130(v3, v4, v5, v6, v8, v10, v12, v17, 1, v1, v2, v7, v9, v11, v13, 0, 3, 4) :|: TRUE
f_130(v3, v4, v5, v6, v8, v10, v12, v17, 1, v1, v2, v7, v9, v11, v13, 0, 3, 4) -> f_132(v3, v4, v5, v6, v8, v10, v12, v17, 1, v1, v2, v7, v9, v11, v13, 0, 3, 4) :|: 0 = 0
f_132(v3, v4, v5, v6, v8, v10, v12, v17, 1, v1, v2, v7, v9, v11, v13, 0, 3, 4) -> f_134(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v1, v2, v7, v9, v11, v13, 0, 3, 4) :|: v18 = 1 + v4
f_134(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v1, v2, v7, v9, v11, v13, 0, 3, 4) -> f_136(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v1, v2, v7, v9, v11, v13, 0, 3, 4) :|: TRUE
f_136(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v1, v2, v7, v9, v11, v13, 0, 3, 4) -> f_137(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v1, v2, v7, v9, v11, v13, 0, 3, 4) :|: 0 = 0
f_137(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v1, v2, v7, v9, v11, v13, 0, 3, 4) -> f_138(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, v1, v2, v7, v9, v11, v13, 0, 3, 4) :|: v20 = 1 + v5
f_138(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, v1, v2, v7, v9, v11, v13, 0, 3, 4) -> f_139(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, v1, v2, v7, v9, v11, v13, 0, 3, 4) :|: TRUE
f_139(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, v1, v2, v7, v9, v11, v13, 0, 3, 4) -> f_140(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, 0, v1, v2, v7, v9, v11, v13, 3, 4) :|: 0 = 0
f_140(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, 0, v1, v2, v7, v9, v11, v13, 3, 4) -> f_141(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, 0, v1, v2, v7, v9, v11, v13, 3, 4) :|: 0 = 0
f_141(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, 0, v1, v2, v7, v9, v11, v13, 3, 4) -> f_142(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, 0, v1, v2, v7, v9, v11, v13, 3, 4) :|: TRUE
f_142(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, 0, v1, v2, v7, v9, v11, v13, 3, 4) -> f_143(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, 0, v1, v2, v7, v9, v11, v13, 3, 4) :|: TRUE
f_143(v3, v4, v5, v6, v8, v10, v12, v17, 1, v18, v20, 0, v1, v2, v7, v9, v11, v13, 3, 4) -> f_166(v3, v4, v5, v6, v8, v10, v12, v4, v5, v17, 1, v18, v20, 0, 1, v1, v2, v7, v9, v11, v13, 0, 3, 2, 4) :|: TRUE
f_166(v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, 1, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, 0, 3, 2, 4) -> f_189(v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, 1, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, 0, 3, 2, 4) :|: TRUE
f_189(v56, v57, v58, v59, v60, v61, v62, v63, v64, v65, 1, v67, v68, v69, v70, v71, v72, v73, v74, v75, v76, 0, 3, 2, 4) -> f_212(v56, v57, v58, v59, v60, v61, v62, v63, v64, v65, 1, v67, v68, v69, v70, v71, v72, v73, v74, v75, v76, 0, 3, 4) :|: TRUE
f_212(v85, v86, v87, v88, v89, v90, v91, v92, v93, v94, 1, v96, v97, v98, v99, v100, v101, v102, v103, v104, v105, 0, 3, 4) -> f_235(v85, v86, v87, v88, v89, v90, v91, v92, v93, v94, 1, v96, v97, v98, v99, v100, v101, v102, v103, v104, v105, 0, 3, 4) :|: TRUE
f_235(v114, v115, v116, v117, v118, v119, v120, v121, v122, v123, 1, v125, v126, v127, v128, v129, v130, v131, v132, v133, v134, 0, 3, 4) -> f_258(v114, v115, v116, v117, v118, v119, v120, v121, v122, v123, 1, v125, v126, v127, v128, v129, v130, v131, v132, v133, v134, 0, 3, 4) :|: TRUE
Combined rules. Obtained 2 rulesP rules:
f_259(v143:0, v144:0, v145:0, v146:0, v147:0, v148:0, v149:0, v150:0, v151:0, v152:0, 1, v154:0, v155:0, v156:0, v157:0, v158:0, v159:0, v160:0, v161:0, v162:0, v163:0, 0, 3, 4) -> f_259(v143:0, v144:0, v145:0, v146:0, v147:0, v148:0, v149:0, v154:0, v155:0, v154:0 + v155:0, 1, 1 + v154:0, 1 + v155:0, v157:0, 1 + v157:0, v158:0, v159:0, v160:0, v161:0, v162:0, v163:0, 0, 3, 4) :|: v157:0 > 0 && v154:0 + v155:0 < v143:0
f_106 -> f_259(v3:0, v4:0, v5:0, v6:0, v8:0, v10:0, v12:0, v4:0, v5:0, v4:0 + v5:0, 1, 1 + v4:0, 1 + v5:0, 0, 1, v1:0, 3 + v1:0, 3 + v6:0, 3 + v8:0, 3 + v10:0, 3 + v12:0, 0, 3, 4) :|: v1:0 > 0 && v6:0 > 0 && v8:0 > 0 && v10:0 > 0 && v12:0 > 0 && v4:0 + v5:0 < v3:0
Filtered unneeded arguments:
   f_259(x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22, x23, x24) -> f_259(x1, x12, x13, x15)
Removed division, modulo operations, cleaned up constraints. Obtained 2 rules.P rules:
f_259(v143:0, v154:0, v155:0, v157:0) -> f_259(v143:0, 1 + v154:0, 1 + v155:0, 1 + v157:0) :|: v157:0 > 0 && v154:0 + v155:0 < v143:0
f_106 -> f_259(v3:0, 1 + v4:0, 1 + v5:0, 1) :|: v4:0 + v5:0 < v3:0

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(8)
Obligation:
Rules:
f_259(v143:0, v154:0, v155:0, v157:0) -> f_259(v143:0, 1 + v154:0, 1 + v155:0, 1 + v157:0) :|: v157:0 > 0 && v154:0 + v155:0 < v143:0
f_106 -> f_259(v3:0, 1 + v4:0, 1 + v5:0, 1) :|: v4:0 + v5:0 < v3:0
Start term: f_106

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(9) IRS2T2 (EQUIVALENT)
Transformed input IRS into an integer transition system.Used the following mapping from defined symbols to location IDs:

   (f_259_4,1)
   (f_106_4,2)

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(10)
Obligation:
START: 2;

FROM: 1;
oldX0 := x0;
oldX1 := x1;
oldX2 := x2;
oldX3 := x3;
assume(oldX3 > 0 && oldX1 + oldX2 < oldX0);
x0 := oldX0;
x1 := 1 + oldX1;
x2 := 1 + oldX2;
x3 := 1 + oldX3;
TO: 1;

FROM: 2;
oldX0 := x0;
oldX1 := x1;
oldX2 := x2;
oldX3 := x3;
oldX4 := nondet();
oldX5 := nondet();
oldX6 := nondet();
assume(oldX5 + oldX6 < oldX4);
x0 := oldX4;
x1 := 1 + oldX5;
x2 := 1 + oldX6;
x3 := 1;
TO: 1;


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(11) T2 (EQUIVALENT)
Initially, performed program simplifications using lexicographic rank functions:
 * Removed transitions 1, 3, 4 using the following rank functions:
    - Rank function 1:
      RF for loc. 5: 2+2*x0-2*x1-2*x2
      RF for loc. 6: 2*x0-2*x1-2*x2
      Bound for (chained) transitions 3: 2
    - Rank function 2:
      RF for loc. 5: x0-x1-x2
      RF for loc. 6: -1+x0-x1-x2
      Bound for (chained) transitions 4: 0
    - Rank function 3:
      RF for loc. 5: 0
      RF for loc. 6: -1
      Bound for (chained) transitions 1: 0

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(12)
YES