NO proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be disproven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof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, 186 ms] (4) AND (5) IRSwT (6) IntTRSCompressionProof [EQUIVALENT, 6 ms] (7) IRSwT (8) TempFilterProof [SOUND, 34 ms] (9) IntTRS (10) PolynomialOrderProcessor [EQUIVALENT, 7 ms] (11) IntTRS (12) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (13) YES (14) IRSwT (15) IntTRSCompressionProof [EQUIVALENT, 7 ms] (16) IRSwT (17) IntTRSUnneededArgumentFilterProof [EQUIVALENT, 0 ms] (18) IRSwT (19) TempFilterProof [SOUND, 28 ms] (20) IntTRS (21) RankingReductionPairProof [EQUIVALENT, 12 ms] (22) YES (23) IRSwT (24) IntTRSCompressionProof [EQUIVALENT, 29 ms] (25) IRSwT (26) FilterProof [EQUIVALENT, 0 ms] (27) IntTRS (28) IntTRSNonPeriodicNontermProof [COMPLETE, 0 ms] (29) NO ---------------------------------------- (0) Obligation: Rules: f1_0_main_ConstantStackPush(arg1, arg2) -> f142_0_main_GE(arg1P, arg2P) :|: 0 = arg1P f142_0_main_GE(x, x1) -> f142_0_main_GE(x2, x3) :|: x + 1 = x2 && x <= 99 && 9 <= x - 1 && x <= 49 f181_0_main_Load(x4, x5) -> f181_0_main_Load(x6, x7) :|: x4 = x6 f142_0_main_GE(x8, x9) -> f181_0_main_Load(x10, x11) :|: x8 = x10 && 49 <= x8 - 1 && x8 <= 99 f142_0_main_GE(x12, x13) -> f191_0_main_GE(x14, x15) :|: 0 = x15 && x12 = x14 && x12 <= 99 && x12 <= 9 f191_0_main_GE(x16, x17) -> f191_0_main_GE(x18, x19) :|: x17 + 1 = x19 && x16 = x18 && x17 <= 14 f191_0_main_GE(x20, x21) -> f142_0_main_GE(x22, x23) :|: x20 + 1 = x22 && 14 <= x21 - 1 __init(x24, x25) -> f1_0_main_ConstantStackPush(x26, x27) :|: 0 <= 0 Start term: __init(arg1, arg2) ---------------------------------------- (1) IRSFormatTransformerProof (EQUIVALENT) Reformatted IRS to match normalized format (transformed away non-linear left-hand sides, !=, / and %). ---------------------------------------- (2) Obligation: Rules: f1_0_main_ConstantStackPush(arg1, arg2) -> f142_0_main_GE(arg1P, arg2P) :|: 0 = arg1P f142_0_main_GE(x, x1) -> f142_0_main_GE(x2, x3) :|: x + 1 = x2 && x <= 99 && 9 <= x - 1 && x <= 49 f181_0_main_Load(x4, x5) -> f181_0_main_Load(x6, x7) :|: x4 = x6 f142_0_main_GE(x8, x9) -> f181_0_main_Load(x10, x11) :|: x8 = x10 && 49 <= x8 - 1 && x8 <= 99 f142_0_main_GE(x12, x13) -> f191_0_main_GE(x14, x15) :|: 0 = x15 && x12 = x14 && x12 <= 99 && x12 <= 9 f191_0_main_GE(x16, x17) -> f191_0_main_GE(x18, x19) :|: x17 + 1 = x19 && x16 = x18 && x17 <= 14 f191_0_main_GE(x20, x21) -> f142_0_main_GE(x22, x23) :|: x20 + 1 = x22 && 14 <= x21 - 1 __init(x24, x25) -> f1_0_main_ConstantStackPush(x26, x27) :|: 0 <= 0 Start term: __init(arg1, arg2) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1_0_main_ConstantStackPush(arg1, arg2) -> f142_0_main_GE(arg1P, arg2P) :|: 0 = arg1P (2) f142_0_main_GE(x, x1) -> f142_0_main_GE(x2, x3) :|: x + 1 = x2 && x <= 99 && 9 <= x - 1 && x <= 49 (3) f181_0_main_Load(x4, x5) -> f181_0_main_Load(x6, x7) :|: x4 = x6 (4) f142_0_main_GE(x8, x9) -> f181_0_main_Load(x10, x11) :|: x8 = x10 && 49 <= x8 - 1 && x8 <= 99 (5) f142_0_main_GE(x12, x13) -> f191_0_main_GE(x14, x15) :|: 0 = x15 && x12 = x14 && x12 <= 99 && x12 <= 9 (6) f191_0_main_GE(x16, x17) -> f191_0_main_GE(x18, x19) :|: x17 + 1 = x19 && x16 = x18 && x17 <= 14 (7) f191_0_main_GE(x20, x21) -> f142_0_main_GE(x22, x23) :|: x20 + 1 = x22 && 14 <= x21 - 1 (8) __init(x24, x25) -> f1_0_main_ConstantStackPush(x26, x27) :|: 0 <= 0 Arcs: (1) -> (5) (2) -> (2), (4) (3) -> (3) (4) -> (3) (5) -> (6) (6) -> (6), (7) (7) -> (2), (4), (5) (8) -> (1) This digraph is fully evaluated! ---------------------------------------- (4) Complex Obligation (AND) ---------------------------------------- (5) Obligation: Termination digraph: Nodes: (1) f142_0_main_GE(x12, x13) -> f191_0_main_GE(x14, x15) :|: 0 = x15 && x12 = x14 && x12 <= 99 && x12 <= 9 (2) f191_0_main_GE(x20, x21) -> f142_0_main_GE(x22, x23) :|: x20 + 1 = x22 && 14 <= x21 - 1 (3) f191_0_main_GE(x16, x17) -> f191_0_main_GE(x18, x19) :|: x17 + 1 = x19 && x16 = x18 && x17 <= 14 Arcs: (1) -> (3) (2) -> (1) (3) -> (2), (3) This digraph is fully evaluated! ---------------------------------------- (6) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (7) Obligation: Rules: f191_0_main_GE(x20:0, x21:0) -> f191_0_main_GE(x20:0 + 1, 0) :|: x20:0 < 9 && x20:0 < 99 && x21:0 > 14 f191_0_main_GE(x16:0, x17:0) -> f191_0_main_GE(x16:0, x17:0 + 1) :|: x17:0 < 15 ---------------------------------------- (8) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f191_0_main_GE(VARIABLE, VARIABLE) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (9) Obligation: Rules: f191_0_main_GE(x20:0, x21:0) -> f191_0_main_GE(c, c1) :|: c1 = 0 && c = x20:0 + 1 && (x20:0 < 9 && x20:0 < 99 && x21:0 > 14) f191_0_main_GE(x16:0, x17:0) -> f191_0_main_GE(x16:0, c2) :|: c2 = x17:0 + 1 && x17:0 < 15 ---------------------------------------- (10) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f191_0_main_GE(x, x1)] = 8 - x The following rules are decreasing: f191_0_main_GE(x20:0, x21:0) -> f191_0_main_GE(c, c1) :|: c1 = 0 && c = x20:0 + 1 && (x20:0 < 9 && x20:0 < 99 && x21:0 > 14) The following rules are bounded: f191_0_main_GE(x20:0, x21:0) -> f191_0_main_GE(c, c1) :|: c1 = 0 && c = x20:0 + 1 && (x20:0 < 9 && x20:0 < 99 && x21:0 > 14) ---------------------------------------- (11) Obligation: Rules: f191_0_main_GE(x16:0, x17:0) -> f191_0_main_GE(x16:0, c2) :|: c2 = x17:0 + 1 && x17:0 < 15 ---------------------------------------- (12) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f191_0_main_GE(x, x1)] = 14 - x1 The following rules are decreasing: f191_0_main_GE(x16:0, x17:0) -> f191_0_main_GE(x16:0, c2) :|: c2 = x17:0 + 1 && x17:0 < 15 The following rules are bounded: f191_0_main_GE(x16:0, x17:0) -> f191_0_main_GE(x16:0, c2) :|: c2 = x17:0 + 1 && x17:0 < 15 ---------------------------------------- (13) YES ---------------------------------------- (14) Obligation: Termination digraph: Nodes: (1) f142_0_main_GE(x, x1) -> f142_0_main_GE(x2, x3) :|: x + 1 = x2 && x <= 99 && 9 <= x - 1 && x <= 49 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (15) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (16) Obligation: Rules: f142_0_main_GE(x:0, x1:0) -> f142_0_main_GE(x:0 + 1, x3:0) :|: x:0 > 9 && x:0 < 100 && x:0 < 50 ---------------------------------------- (17) IntTRSUnneededArgumentFilterProof (EQUIVALENT) Some arguments are removed because they cannot influence termination. We removed arguments according to the following replacements: f142_0_main_GE(x1, x2) -> f142_0_main_GE(x1) ---------------------------------------- (18) Obligation: Rules: f142_0_main_GE(x:0) -> f142_0_main_GE(x:0 + 1) :|: x:0 > 9 && x:0 < 100 && x:0 < 50 ---------------------------------------- (19) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f142_0_main_GE(INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (20) Obligation: Rules: f142_0_main_GE(x:0) -> f142_0_main_GE(c) :|: c = x:0 + 1 && (x:0 > 9 && x:0 < 100 && x:0 < 50) ---------------------------------------- (21) RankingReductionPairProof (EQUIVALENT) Interpretation: [ f142_0_main_GE ] = -1*f142_0_main_GE_1 The following rules are decreasing: f142_0_main_GE(x:0) -> f142_0_main_GE(c) :|: c = x:0 + 1 && (x:0 > 9 && x:0 < 100 && x:0 < 50) The following rules are bounded: f142_0_main_GE(x:0) -> f142_0_main_GE(c) :|: c = x:0 + 1 && (x:0 > 9 && x:0 < 100 && x:0 < 50) ---------------------------------------- (22) YES ---------------------------------------- (23) Obligation: Termination digraph: Nodes: (1) f181_0_main_Load(x4, x5) -> f181_0_main_Load(x6, x7) :|: x4 = x6 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (24) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (25) Obligation: Rules: f181_0_main_Load(x4:0, x5:0) -> f181_0_main_Load(x4:0, x7:0) :|: TRUE ---------------------------------------- (26) FilterProof (EQUIVALENT) Used the following sort dictionary for filtering: f181_0_main_Load(VARIABLE, VARIABLE) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (27) Obligation: Rules: f181_0_main_Load(x4:0, x5:0) -> f181_0_main_Load(x4:0, x7:0) :|: TRUE ---------------------------------------- (28) IntTRSNonPeriodicNontermProof (COMPLETE) Normalized system to the following form: f(pc, x4:0, x5:0) -> f(1, x4:0, x7:0) :|: pc = 1 && TRUE Proved unsatisfiability of the following formula, indicating that the system is never left after entering: (((run2_0 = ((1 * 1)) and run2_1 = ((run1_1 * 1)) and run2_2 = ((run1_3 * 1))) and (((run1_0 * 1)) = ((1 * 1)) and T)) and !(((run2_0 * 1)) = ((1 * 1)) and T)) Proved satisfiability of the following formula, indicating that the system is entered at least once: ((run2_0 = ((1 * 1)) and run2_1 = ((run1_1 * 1)) and run2_2 = ((run1_3 * 1))) and (((run1_0 * 1)) = ((1 * 1)) and T)) ---------------------------------------- (29) NO