NO proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be disproven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof [EQUIVALENT, 376 ms] (4) AND (5) IRSwT (6) IntTRSCompressionProof [EQUIVALENT, 0 ms] (7) IRSwT (8) TempFilterProof [SOUND, 47 ms] (9) IntTRS (10) PolynomialOrderProcessor [EQUIVALENT, 6 ms] (11) IntTRS (12) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (13) YES (14) IRSwT (15) IntTRSCompressionProof [EQUIVALENT, 0 ms] (16) IRSwT (17) IntTRSUnneededArgumentFilterProof [EQUIVALENT, 0 ms] (18) IRSwT (19) FilterProof [EQUIVALENT, 0 ms] (20) IntTRS (21) IntTRSCompressionProof [EQUIVALENT, 0 ms] (22) IntTRS (23) IntTRSPeriodicNontermProof [COMPLETE, 0 ms] (24) NO ---------------------------------------- (0) Obligation: Rules: f265_0_createMetaList_Return(arg1, arg2, arg3, arg4) -> f724_0_countMetaList_NULL(arg1P, arg2P, arg3P, arg4P) :|: -1 <= arg1P - 1 && -1 <= arg1 - 1 && arg1P <= arg1 f1_0_main_Load(x, x1, x2, x3) -> f724_0_countMetaList_NULL(x4, x5, x6, x7) :|: -1 <= x4 - 1 && 0 <= x - 1 f724_0_countMetaList_NULL(x8, x9, x10, x11) -> f724_0_countMetaList_NULL(x12, x13, x14, x15) :|: -1 <= x12 - 1 && 2 <= x8 - 1 && x12 + 2 <= x8 f724_0_countMetaList_NULL(x16, x17, x18, x19) -> f724_0_countMetaList_NULL(x20, x21, x22, x23) :|: -1 <= x20 - 1 && 1 <= x16 - 1 && x20 + 2 <= x16 f724_0_countMetaList_NULL(x24, x25, x26, x27) -> f724_0_countMetaList_NULL(x28, x29, x30, x31) :|: 0 <= x28 - 1 && 2 <= x24 - 1 && x28 <= x24 f1_0_main_Load(x32, x33, x34, x35) -> f693_0_createMetaList_GE(x36, x37, x38, x39) :|: 1 = x38 && 0 = x36 && 0 <= x32 - 1 && -1 <= x37 - 1 && -1 <= x33 - 1 f693_0_createMetaList_GE(x40, x41, x42, x43) -> f932_0_createMetaList_LE(x44, x45, x46, x47) :|: x42 + 1 = x47 && x40 = x45 && x41 = x44 && 0 <= x42 - 1 && x40 <= x41 - 1 && -1 <= x46 - 1 f932_0_createMetaList_LE(x48, x49, x50, x51) -> f693_0_createMetaList_GE(x52, x53, x54, x55) :|: x51 = x54 && x48 = x53 && x49 + 1 = x52 && 0 = x50 f932_0_createMetaList_LE(x56, x57, x58, x59) -> f932_0_createMetaList_LE(x60, x61, x62, x63) :|: x59 = x63 && x58 - 1 = x62 && x57 = x61 && x56 = x60 && 0 <= x58 - 1 __init(x64, x65, x66, x67) -> f1_0_main_Load(x68, x69, x70, x71) :|: 0 <= 0 Start term: __init(arg1, arg2, arg3, arg4) ---------------------------------------- (1) IRSFormatTransformerProof (EQUIVALENT) Reformatted IRS to match normalized format (transformed away non-linear left-hand sides, !=, / and %). ---------------------------------------- (2) Obligation: Rules: f265_0_createMetaList_Return(arg1, arg2, arg3, arg4) -> f724_0_countMetaList_NULL(arg1P, arg2P, arg3P, arg4P) :|: -1 <= arg1P - 1 && -1 <= arg1 - 1 && arg1P <= arg1 f1_0_main_Load(x, x1, x2, x3) -> f724_0_countMetaList_NULL(x4, x5, x6, x7) :|: -1 <= x4 - 1 && 0 <= x - 1 f724_0_countMetaList_NULL(x8, x9, x10, x11) -> f724_0_countMetaList_NULL(x12, x13, x14, x15) :|: -1 <= x12 - 1 && 2 <= x8 - 1 && x12 + 2 <= x8 f724_0_countMetaList_NULL(x16, x17, x18, x19) -> f724_0_countMetaList_NULL(x20, x21, x22, x23) :|: -1 <= x20 - 1 && 1 <= x16 - 1 && x20 + 2 <= x16 f724_0_countMetaList_NULL(x24, x25, x26, x27) -> f724_0_countMetaList_NULL(x28, x29, x30, x31) :|: 0 <= x28 - 1 && 2 <= x24 - 1 && x28 <= x24 f1_0_main_Load(x32, x33, x34, x35) -> f693_0_createMetaList_GE(x36, x37, x38, x39) :|: 1 = x38 && 0 = x36 && 0 <= x32 - 1 && -1 <= x37 - 1 && -1 <= x33 - 1 f693_0_createMetaList_GE(x40, x41, x42, x43) -> f932_0_createMetaList_LE(x44, x45, x46, x47) :|: x42 + 1 = x47 && x40 = x45 && x41 = x44 && 0 <= x42 - 1 && x40 <= x41 - 1 && -1 <= x46 - 1 f932_0_createMetaList_LE(x48, x49, x50, x51) -> f693_0_createMetaList_GE(x52, x53, x54, x55) :|: x51 = x54 && x48 = x53 && x49 + 1 = x52 && 0 = x50 f932_0_createMetaList_LE(x56, x57, x58, x59) -> f932_0_createMetaList_LE(x60, x61, x62, x63) :|: x59 = x63 && x58 - 1 = x62 && x57 = x61 && x56 = x60 && 0 <= x58 - 1 __init(x64, x65, x66, x67) -> f1_0_main_Load(x68, x69, x70, x71) :|: 0 <= 0 Start term: __init(arg1, arg2, arg3, arg4) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f265_0_createMetaList_Return(arg1, arg2, arg3, arg4) -> f724_0_countMetaList_NULL(arg1P, arg2P, arg3P, arg4P) :|: -1 <= arg1P - 1 && -1 <= arg1 - 1 && arg1P <= arg1 (2) f1_0_main_Load(x, x1, x2, x3) -> f724_0_countMetaList_NULL(x4, x5, x6, x7) :|: -1 <= x4 - 1 && 0 <= x - 1 (3) f724_0_countMetaList_NULL(x8, x9, x10, x11) -> f724_0_countMetaList_NULL(x12, x13, x14, x15) :|: -1 <= x12 - 1 && 2 <= x8 - 1 && x12 + 2 <= x8 (4) f724_0_countMetaList_NULL(x16, x17, x18, x19) -> f724_0_countMetaList_NULL(x20, x21, x22, x23) :|: -1 <= x20 - 1 && 1 <= x16 - 1 && x20 + 2 <= x16 (5) f724_0_countMetaList_NULL(x24, x25, x26, x27) -> f724_0_countMetaList_NULL(x28, x29, x30, x31) :|: 0 <= x28 - 1 && 2 <= x24 - 1 && x28 <= x24 (6) f1_0_main_Load(x32, x33, x34, x35) -> f693_0_createMetaList_GE(x36, x37, x38, x39) :|: 1 = x38 && 0 = x36 && 0 <= x32 - 1 && -1 <= x37 - 1 && -1 <= x33 - 1 (7) f693_0_createMetaList_GE(x40, x41, x42, x43) -> f932_0_createMetaList_LE(x44, x45, x46, x47) :|: x42 + 1 = x47 && x40 = x45 && x41 = x44 && 0 <= x42 - 1 && x40 <= x41 - 1 && -1 <= x46 - 1 (8) f932_0_createMetaList_LE(x48, x49, x50, x51) -> f693_0_createMetaList_GE(x52, x53, x54, x55) :|: x51 = x54 && x48 = x53 && x49 + 1 = x52 && 0 = x50 (9) f932_0_createMetaList_LE(x56, x57, x58, x59) -> f932_0_createMetaList_LE(x60, x61, x62, x63) :|: x59 = x63 && x58 - 1 = x62 && x57 = x61 && x56 = x60 && 0 <= x58 - 1 (10) __init(x64, x65, x66, x67) -> f1_0_main_Load(x68, x69, x70, x71) :|: 0 <= 0 Arcs: (1) -> (3), (4), (5) (2) -> (3), (4), (5) (3) -> (3), (4), (5) (4) -> (3), (4), (5) (5) -> (3), (4), (5) (6) -> (7) (7) -> (8), (9) (8) -> (7) (9) -> (8), (9) (10) -> (2), (6) This digraph is fully evaluated! ---------------------------------------- (4) Complex Obligation (AND) ---------------------------------------- (5) Obligation: Termination digraph: Nodes: (1) f693_0_createMetaList_GE(x40, x41, x42, x43) -> f932_0_createMetaList_LE(x44, x45, x46, x47) :|: x42 + 1 = x47 && x40 = x45 && x41 = x44 && 0 <= x42 - 1 && x40 <= x41 - 1 && -1 <= x46 - 1 (2) f932_0_createMetaList_LE(x48, x49, x50, x51) -> f693_0_createMetaList_GE(x52, x53, x54, x55) :|: x51 = x54 && x48 = x53 && x49 + 1 = x52 && 0 = x50 (3) f932_0_createMetaList_LE(x56, x57, x58, x59) -> f932_0_createMetaList_LE(x60, x61, x62, x63) :|: x59 = x63 && x58 - 1 = x62 && x57 = x61 && x56 = x60 && 0 <= x58 - 1 Arcs: (1) -> (2), (3) (2) -> (1) (3) -> (2), (3) This digraph is fully evaluated! ---------------------------------------- (6) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (7) Obligation: Rules: f932_0_createMetaList_LE(x44:0, x49:0, cons_0, x51:0) -> f932_0_createMetaList_LE(x44:0, x49:0 + 1, x46:0, x51:0 + 1) :|: x49:0 + 1 <= x44:0 - 1 && x51:0 > 0 && x46:0 > -1 && cons_0 = 0 f932_0_createMetaList_LE(x56:0, x57:0, x58:0, x59:0) -> f932_0_createMetaList_LE(x56:0, x57:0, x58:0 - 1, x59:0) :|: x58:0 > 0 ---------------------------------------- (8) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f932_0_createMetaList_LE(VARIABLE, VARIABLE, INTEGER, VARIABLE) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (9) Obligation: Rules: f932_0_createMetaList_LE(x44:0, x49:0, c, x51:0) -> f932_0_createMetaList_LE(x44:0, c1, x46:0, c2) :|: c2 = x51:0 + 1 && (c1 = x49:0 + 1 && c = 0) && (x49:0 + 1 <= x44:0 - 1 && x51:0 > 0 && x46:0 > -1 && cons_0 = 0) f932_0_createMetaList_LE(x56:0, x57:0, x58:0, x59:0) -> f932_0_createMetaList_LE(x56:0, x57:0, c3, x59:0) :|: c3 = x58:0 - 1 && x58:0 > 0 ---------------------------------------- (10) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f932_0_createMetaList_LE(x, x1, x2, x3)] = -1 + 2*x - 2*x1 + x3 The following rules are decreasing: f932_0_createMetaList_LE(x44:0, x49:0, c, x51:0) -> f932_0_createMetaList_LE(x44:0, c1, x46:0, c2) :|: c2 = x51:0 + 1 && (c1 = x49:0 + 1 && c = 0) && (x49:0 + 1 <= x44:0 - 1 && x51:0 > 0 && x46:0 > -1 && cons_0 = 0) The following rules are bounded: f932_0_createMetaList_LE(x44:0, x49:0, c, x51:0) -> f932_0_createMetaList_LE(x44:0, c1, x46:0, c2) :|: c2 = x51:0 + 1 && (c1 = x49:0 + 1 && c = 0) && (x49:0 + 1 <= x44:0 - 1 && x51:0 > 0 && x46:0 > -1 && cons_0 = 0) ---------------------------------------- (11) Obligation: Rules: f932_0_createMetaList_LE(x56:0, x57:0, x58:0, x59:0) -> f932_0_createMetaList_LE(x56:0, x57:0, c3, x59:0) :|: c3 = x58:0 - 1 && x58:0 > 0 ---------------------------------------- (12) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f932_0_createMetaList_LE(x, x1, x2, x3)] = x2 The following rules are decreasing: f932_0_createMetaList_LE(x56:0, x57:0, x58:0, x59:0) -> f932_0_createMetaList_LE(x56:0, x57:0, c3, x59:0) :|: c3 = x58:0 - 1 && x58:0 > 0 The following rules are bounded: f932_0_createMetaList_LE(x56:0, x57:0, x58:0, x59:0) -> f932_0_createMetaList_LE(x56:0, x57:0, c3, x59:0) :|: c3 = x58:0 - 1 && x58:0 > 0 ---------------------------------------- (13) YES ---------------------------------------- (14) Obligation: Termination digraph: Nodes: (1) f724_0_countMetaList_NULL(x8, x9, x10, x11) -> f724_0_countMetaList_NULL(x12, x13, x14, x15) :|: -1 <= x12 - 1 && 2 <= x8 - 1 && x12 + 2 <= x8 (2) f724_0_countMetaList_NULL(x16, x17, x18, x19) -> f724_0_countMetaList_NULL(x20, x21, x22, x23) :|: -1 <= x20 - 1 && 1 <= x16 - 1 && x20 + 2 <= x16 (3) f724_0_countMetaList_NULL(x24, x25, x26, x27) -> f724_0_countMetaList_NULL(x28, x29, x30, x31) :|: 0 <= x28 - 1 && 2 <= x24 - 1 && x28 <= x24 Arcs: (1) -> (1), (2), (3) (2) -> (1), (2), (3) (3) -> (1), (2), (3) This digraph is fully evaluated! ---------------------------------------- (15) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (16) Obligation: Rules: f724_0_countMetaList_NULL(x24:0, x25:0, x26:0, x27:0) -> f724_0_countMetaList_NULL(x28:0, x29:0, x30:0, x31:0) :|: x28:0 > 0 && x24:0 > 2 && x28:0 <= x24:0 f724_0_countMetaList_NULL(x16:0, x17:0, x18:0, x19:0) -> f724_0_countMetaList_NULL(x20:0, x21:0, x22:0, x23:0) :|: x20:0 > -1 && x16:0 > 1 && x20:0 + 2 <= x16:0 f724_0_countMetaList_NULL(x8:0, x9:0, x10:0, x11:0) -> f724_0_countMetaList_NULL(x12:0, x13:0, x14:0, x15:0) :|: x12:0 > -1 && x8:0 > 2 && x8:0 >= x12:0 + 2 ---------------------------------------- (17) IntTRSUnneededArgumentFilterProof (EQUIVALENT) Some arguments are removed because they cannot influence termination. We removed arguments according to the following replacements: f724_0_countMetaList_NULL(x1, x2, x3, x4) -> f724_0_countMetaList_NULL(x1) ---------------------------------------- (18) Obligation: Rules: f724_0_countMetaList_NULL(x24:0) -> f724_0_countMetaList_NULL(x28:0) :|: x28:0 > 0 && x24:0 > 2 && x28:0 <= x24:0 f724_0_countMetaList_NULL(x16:0) -> f724_0_countMetaList_NULL(x20:0) :|: x20:0 > -1 && x16:0 > 1 && x20:0 + 2 <= x16:0 f724_0_countMetaList_NULL(x8:0) -> f724_0_countMetaList_NULL(x12:0) :|: x12:0 > -1 && x8:0 > 2 && x8:0 >= x12:0 + 2 ---------------------------------------- (19) FilterProof (EQUIVALENT) Used the following sort dictionary for filtering: f724_0_countMetaList_NULL(INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (20) Obligation: Rules: f724_0_countMetaList_NULL(x24:0) -> f724_0_countMetaList_NULL(x28:0) :|: x28:0 > 0 && x24:0 > 2 && x28:0 <= x24:0 f724_0_countMetaList_NULL(x16:0) -> f724_0_countMetaList_NULL(x20:0) :|: x20:0 > -1 && x16:0 > 1 && x20:0 + 2 <= x16:0 f724_0_countMetaList_NULL(x8:0) -> f724_0_countMetaList_NULL(x12:0) :|: x12:0 > -1 && x8:0 > 2 && x8:0 >= x12:0 + 2 ---------------------------------------- (21) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (22) Obligation: Rules: f724_0_countMetaList_NULL(x24:0:0) -> f724_0_countMetaList_NULL(x28:0:0) :|: x28:0:0 > 0 && x24:0:0 > 2 && x28:0:0 <= x24:0:0 f724_0_countMetaList_NULL(x8:0:0) -> f724_0_countMetaList_NULL(x12:0:0) :|: x12:0:0 > -1 && x8:0:0 > 2 && x8:0:0 >= x12:0:0 + 2 f724_0_countMetaList_NULL(x16:0:0) -> f724_0_countMetaList_NULL(x20:0:0) :|: x20:0:0 > -1 && x16:0:0 > 1 && x20:0:0 + 2 <= x16:0:0 ---------------------------------------- (23) IntTRSPeriodicNontermProof (COMPLETE) Normalized system to the following form: f(pc, x24:0:0) -> f(1, x28:0:0) :|: pc = 1 && (x28:0:0 > 0 && x24:0:0 > 2 && x28:0:0 <= x24:0:0) f(pc, x8:0:0) -> f(1, x12:0:0) :|: pc = 1 && (x12:0:0 > -1 && x8:0:0 > 2 && x8:0:0 >= x12:0:0 + 2) f(pc, x16:0:0) -> f(1, x20:0:0) :|: pc = 1 && (x20:0:0 > -1 && x16:0:0 > 1 && x20:0:0 + 2 <= x16:0:0) Witness term starting non-terminating reduction: f(1, 7) ---------------------------------------- (24) NO