19.82/6.25 YES 19.82/6.26 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 19.82/6.26 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 19.82/6.26 19.82/6.26 19.82/6.26 Termination of the given C Problem could be proven: 19.82/6.26 19.82/6.26 (0) C Problem 19.82/6.26 (1) CToLLVMProof [EQUIVALENT, 175 ms] 19.82/6.26 (2) LLVM problem 19.82/6.26 (3) LLVMToTerminationGraphProof [EQUIVALENT, 1795 ms] 19.82/6.26 (4) LLVM Symbolic Execution Graph 19.82/6.26 (5) SymbolicExecutionGraphToSCCProof [SOUND, 0 ms] 19.82/6.26 (6) AND 19.82/6.26 (7) LLVM Symbolic Execution SCC 19.82/6.26 (8) SCC2IRS [SOUND, 68 ms] 19.82/6.26 (9) IntTRS 19.82/6.26 (10) IntTRSCompressionProof [EQUIVALENT, 0 ms] 19.82/6.26 (11) IntTRS 19.82/6.26 (12) PolynomialOrderProcessor [EQUIVALENT, 12 ms] 19.82/6.26 (13) YES 19.82/6.26 (14) LLVM Symbolic Execution SCC 19.82/6.26 (15) SCC2IRS [SOUND, 54 ms] 19.82/6.26 (16) IntTRS 19.82/6.26 (17) IntTRSCompressionProof [EQUIVALENT, 0 ms] 19.82/6.26 (18) IntTRS 19.82/6.26 (19) RankingReductionPairProof [EQUIVALENT, 6 ms] 19.82/6.26 (20) YES 19.82/6.26 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (0) 19.82/6.26 Obligation: 19.82/6.26 c file /export/starexec/sandbox/benchmark/theBenchmark.c 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (1) CToLLVMProof (EQUIVALENT) 19.82/6.26 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (2) 19.82/6.26 Obligation: 19.82/6.26 LLVM Problem 19.82/6.26 19.82/6.26 Aliases: 19.82/6.26 19.82/6.26 Data layout: 19.82/6.26 19.82/6.26 "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" 19.82/6.26 19.82/6.26 Machine: 19.82/6.26 19.82/6.26 "x86_64-pc-linux-gnu" 19.82/6.26 19.82/6.26 Type definitions: 19.82/6.26 19.82/6.26 Global variables: 19.82/6.26 19.82/6.26 Function declarations and definitions: 19.82/6.26 19.82/6.26 *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 19.82/6.26 *BasicFunctionTypename: "test_fun" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (x i32, y i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc 19.82/6.26 0: 19.82/6.26 %1 = alloca i32, align 4 19.82/6.26 %2 = alloca i32, align 4 19.82/6.26 %x_ref = alloca *i32, align 8 19.82/6.26 %y_ref = alloca *i32, align 8 19.82/6.26 store %x, %1 19.82/6.26 store %y, %2 19.82/6.26 %3 = alloca i8, numElementsLit: 4 19.82/6.26 %4 = bitcast *i8 %3 to *i32 19.82/6.26 store %4, %x_ref 19.82/6.26 %5 = alloca i8, numElementsLit: 4 19.82/6.26 %6 = bitcast *i8 %5 to *i32 19.82/6.26 store %6, %y_ref 19.82/6.26 %7 = load %1 19.82/6.26 %8 = load %x_ref 19.82/6.26 store %7, %8 19.82/6.26 %9 = load %2 19.82/6.26 %10 = load %y_ref 19.82/6.26 store %9, %10 19.82/6.26 br %11 19.82/6.26 11: 19.82/6.26 %12 = load %x_ref 19.82/6.26 %13 = load %12 19.82/6.26 %14 = icmp sgt %13 0 19.82/6.26 br %14, %15, %19 19.82/6.26 15: 19.82/6.26 %16 = load %y_ref 19.82/6.26 %17 = load %16 19.82/6.26 %18 = icmp sgt %17 0 19.82/6.26 br %19 19.82/6.26 19: 19.82/6.26 %20 = phi [0, %11], [%18, %15] 19.82/6.26 br %20, %21, %50 19.82/6.26 21: 19.82/6.26 %22 = load %x_ref 19.82/6.26 %23 = load %22 19.82/6.26 %24 = load %y_ref 19.82/6.26 %25 = load %24 19.82/6.26 %26 = icmp sgt %23 %25 19.82/6.26 br %26, %27, %38 19.82/6.26 27: 19.82/6.26 br %28 19.82/6.26 28: 19.82/6.26 %29 = load %x_ref 19.82/6.26 %30 = load %29 19.82/6.26 %31 = icmp sgt %30 0 19.82/6.26 br %31, %32, %37 19.82/6.26 32: 19.82/6.26 %33 = load %x_ref 19.82/6.26 %34 = load %33 19.82/6.26 %35 = sub %34 1 19.82/6.26 %36 = load %x_ref 19.82/6.26 store %35, %36 19.82/6.26 br %28 19.82/6.26 37: 19.82/6.26 br %49 19.82/6.26 38: 19.82/6.26 br %39 19.82/6.26 39: 19.82/6.26 %40 = load %y_ref 19.82/6.26 %41 = load %40 19.82/6.26 %42 = icmp sgt %41 0 19.82/6.26 br %42, %43, %48 19.82/6.26 43: 19.82/6.26 %44 = load %y_ref 19.82/6.26 %45 = load %44 19.82/6.26 %46 = sub %45 1 19.82/6.26 %47 = load %y_ref 19.82/6.26 store %46, %47 19.82/6.26 br %39 19.82/6.26 48: 19.82/6.26 br %49 19.82/6.26 49: 19.82/6.26 br %11 19.82/6.26 50: 19.82/6.26 %51 = load %x_ref 19.82/6.26 %52 = load %51 19.82/6.26 %53 = load %y_ref 19.82/6.26 %54 = load %53 19.82/6.26 %55 = add %52 %54 19.82/6.26 ret %55 19.82/6.26 19.82/6.26 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 19.82/6.26 0: 19.82/6.26 %1 = alloca i32, align 4 19.82/6.26 store 0, %1 19.82/6.26 %2 = call i32 @__VERIFIER_nondet_int() 19.82/6.26 %3 = call i32 @__VERIFIER_nondet_int() 19.82/6.26 %4 = call i32 @test_fun(i32 %2, i32 %3) 19.82/6.26 ret %4 19.82/6.26 19.82/6.26 19.82/6.26 Analyze Termination of all function calls matching the pattern: 19.82/6.26 main() 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (3) LLVMToTerminationGraphProof (EQUIVALENT) 19.82/6.26 Constructed symbolic execution graph for LLVM program and proved memory safety. 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (4) 19.82/6.26 Obligation: 19.82/6.26 SE Graph 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (5) SymbolicExecutionGraphToSCCProof (SOUND) 19.82/6.26 Splitted symbolic execution graph to 2 SCCs. 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (6) 19.82/6.26 Complex Obligation (AND) 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (7) 19.82/6.26 Obligation: 19.82/6.26 SCC 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (8) SCC2IRS (SOUND) 19.82/6.26 Transformed LLVM symbolic execution graph SCC into a rewrite problem. Log: 19.82/6.26 Generated rules. Obtained 12 rulesP rules: 19.82/6.26 f_381(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v108, v109, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 4, 8) -> f_384(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v108, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 4, 8) :|: 0 = 0 19.82/6.26 f_384(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v108, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 4, 8) -> f_387(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v108, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) :|: 0 < v109 && 2 <= v108 && 2 <= v99 19.82/6.26 f_387(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v108, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) -> f_391(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v108, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) :|: 0 = 0 19.82/6.26 f_391(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v108, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) -> f_395(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v108, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) :|: TRUE 19.82/6.26 f_395(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v108, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) -> f_399(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v108, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) :|: 0 = 0 19.82/6.26 f_399(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v108, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) -> f_403(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) :|: 0 = 0 19.82/6.26 f_403(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) -> f_407(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v119, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) :|: 1 + v119 = v109 && 0 <= v119 19.82/6.26 f_407(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v119, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) -> f_411(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v119, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) :|: 0 = 0 19.82/6.26 f_411(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v119, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) -> f_415(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v119, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) :|: TRUE 19.82/6.26 f_415(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v119, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) -> f_418(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v119, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) :|: TRUE 19.82/6.26 f_418(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v119, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 2, 4, 8) -> f_379(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v109, v119, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 4, 8) :|: TRUE 19.82/6.26 f_379(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v108, v109, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 4, 8) -> f_381(v98, v99, v100, v101, v102, v103, v104, v105, 1, 0, v108, v109, v110, v111, v112, v113, v114, v115, v116, v117, 3, 7, 4, 8) :|: 0 = 0 19.82/6.26 Combined rules. Obtained 1 rulesP rules: 19.82/6.26 f_381(v98:0, v99:0, v100:0, v101:0, v102:0, v103:0, v104:0, v105:0, 1, 0, v108:0, 1 + v119:0, v110:0, v111:0, v112:0, v113:0, v114:0, v115:0, v116:0, v117:0, 3, 7, 4, 8) -> f_381(v98:0, v99:0, v100:0, v101:0, v102:0, v103:0, v104:0, v105:0, 1, 0, 1 + v119:0, v119:0, v110:0, v111:0, v112:0, v113:0, v114:0, v115:0, v116:0, v117:0, 3, 7, 4, 8) :|: v108:0 > 1 && v119:0 > -1 && v99:0 > 1 19.82/6.26 Filtered unneeded arguments: 19.82/6.26 f_381(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_381(x2, x11, x12) 19.82/6.26 Removed division, modulo operations, cleaned up constraints. Obtained 1 rules.P rules: 19.82/6.26 f_381(v99:0, v108:0, sum~cons_1~v119:0) -> f_381(v99:0, 1 + v119:0, v119:0) :|: v119:0 > -1 && v99:0 > 1 && v108:0 > 1 && sum~cons_1~v119:0 = 1 + v119:0 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (9) 19.82/6.26 Obligation: 19.82/6.26 Rules: 19.82/6.26 f_381(v99:0, v108:0, sum~cons_1~v119:0) -> f_381(v99:0, 1 + v119:0, v119:0) :|: v119:0 > -1 && v99:0 > 1 && v108:0 > 1 && sum~cons_1~v119:0 = 1 + v119:0 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (10) IntTRSCompressionProof (EQUIVALENT) 19.82/6.26 Compressed rules. 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (11) 19.82/6.26 Obligation: 19.82/6.26 Rules: 19.82/6.26 f_381(v99:0:0, v108:0:0, sum~cons_1~v119:0:0) -> f_381(v99:0:0, 1 + v119:0:0, v119:0:0) :|: v119:0:0 > -1 && v99:0:0 > 1 && v108:0:0 > 1 && sum~cons_1~v119:0:0 = 1 + v119:0:0 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (12) PolynomialOrderProcessor (EQUIVALENT) 19.82/6.26 Found the following polynomial interpretation: 19.82/6.26 [f_381(x, x1, x2)] = x2 19.82/6.26 19.82/6.26 The following rules are decreasing: 19.82/6.26 f_381(v99:0:0, v108:0:0, sum~cons_1~v119:0:0) -> f_381(v99:0:0, 1 + v119:0:0, v119:0:0) :|: v119:0:0 > -1 && v99:0:0 > 1 && v108:0:0 > 1 && sum~cons_1~v119:0:0 = 1 + v119:0:0 19.82/6.26 The following rules are bounded: 19.82/6.26 f_381(v99:0:0, v108:0:0, sum~cons_1~v119:0:0) -> f_381(v99:0:0, 1 + v119:0:0, v119:0:0) :|: v119:0:0 > -1 && v99:0:0 > 1 && v108:0:0 > 1 && sum~cons_1~v119:0:0 = 1 + v119:0:0 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (13) 19.82/6.26 YES 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (14) 19.82/6.26 Obligation: 19.82/6.26 SCC 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (15) SCC2IRS (SOUND) 19.82/6.26 Transformed LLVM symbolic execution graph SCC into a rewrite problem. Log: 19.82/6.26 Generated rules. Obtained 12 rulesP rules: 19.82/6.26 f_377(v77, v78, v79, v80, v81, v82, v83, v84, 1, v86, v87, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_380(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v86, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: 0 = 0 19.82/6.26 f_380(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v86, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_382(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v86, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: 0 < v87 && 2 <= v86 19.82/6.26 f_382(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v86, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_385(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v86, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: 0 = 0 19.82/6.26 f_385(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v86, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_389(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v86, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: TRUE 19.82/6.26 f_389(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v86, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_393(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v86, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: 0 = 0 19.82/6.26 f_393(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v86, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_397(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: 0 = 0 19.82/6.26 f_397(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_401(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v118, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: 1 + v118 = v87 && 0 <= v118 19.82/6.26 f_401(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v118, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_405(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v118, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: 0 = 0 19.82/6.26 f_405(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v118, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_409(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v118, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: TRUE 19.82/6.26 f_409(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v118, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_413(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v118, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: TRUE 19.82/6.26 f_413(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v118, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_374(v77, v78, v79, v80, v81, v82, v83, v84, 1, v87, v118, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: TRUE 19.82/6.26 f_374(v77, v78, v79, v80, v81, v82, v83, v84, 1, v86, v87, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) -> f_377(v77, v78, v79, v80, v81, v82, v83, v84, 1, v86, v87, v88, v89, v90, v91, v92, v93, v94, v95, 0, 3, 7, 2, 4, 8) :|: 0 = 0 19.82/6.26 Combined rules. Obtained 1 rulesP rules: 19.82/6.26 f_377(v77:0, v78:0, v79:0, v80:0, v81:0, v82:0, v83:0, v84:0, 1, v86:0, 1 + v118:0, v88:0, v89:0, v90:0, v91:0, v92:0, v93:0, v94:0, v95:0, 0, 3, 7, 2, 4, 8) -> f_377(v77:0, v78:0, v79:0, v80:0, v81:0, v82:0, v83:0, v84:0, 1, 1 + v118:0, v118:0, v88:0, v89:0, v90:0, v91:0, v92:0, v93:0, v94:0, v95:0, 0, 3, 7, 2, 4, 8) :|: v86:0 > 1 && v118:0 > -1 19.82/6.26 Filtered unneeded arguments: 19.82/6.26 f_377(x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22, x23, x24, x25) -> f_377(x10, x11) 19.82/6.26 Removed division, modulo operations, cleaned up constraints. Obtained 1 rules.P rules: 19.82/6.26 f_377(v86:0, sum~cons_1~v118:0) -> f_377(1 + v118:0, v118:0) :|: v86:0 > 1 && v118:0 > -1 && sum~cons_1~v118:0 = 1 + v118:0 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (16) 19.82/6.26 Obligation: 19.82/6.26 Rules: 19.82/6.26 f_377(v86:0, sum~cons_1~v118:0) -> f_377(1 + v118:0, v118:0) :|: v86:0 > 1 && v118:0 > -1 && sum~cons_1~v118:0 = 1 + v118:0 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (17) IntTRSCompressionProof (EQUIVALENT) 19.82/6.26 Compressed rules. 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (18) 19.82/6.26 Obligation: 19.82/6.26 Rules: 19.82/6.26 f_377(v86:0:0, sum~cons_1~v118:0:0) -> f_377(1 + v118:0:0, v118:0:0) :|: v86:0:0 > 1 && v118:0:0 > -1 && sum~cons_1~v118:0:0 = 1 + v118:0:0 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (19) RankingReductionPairProof (EQUIVALENT) 19.82/6.26 Interpretation: 19.82/6.26 [ f_377 ] = f_377_2 19.82/6.26 19.82/6.26 The following rules are decreasing: 19.82/6.26 f_377(v86:0:0, sum~cons_1~v118:0:0) -> f_377(1 + v118:0:0, v118:0:0) :|: v86:0:0 > 1 && v118:0:0 > -1 && sum~cons_1~v118:0:0 = 1 + v118:0:0 19.82/6.26 19.82/6.26 The following rules are bounded: 19.82/6.26 f_377(v86:0:0, sum~cons_1~v118:0:0) -> f_377(1 + v118:0:0, v118:0:0) :|: v86:0:0 > 1 && v118:0:0 > -1 && sum~cons_1~v118:0:0 = 1 + v118:0:0 19.82/6.26 19.82/6.26 19.82/6.26 ---------------------------------------- 19.82/6.26 19.82/6.26 (20) 19.82/6.26 YES 20.23/6.40 EOF