YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof [EQUIVALENT, 209 ms] (4) AND (5) IRSwT (6) IntTRSCompressionProof [EQUIVALENT, 0 ms] (7) IRSwT (8) IntTRSUnneededArgumentFilterProof [EQUIVALENT, 0 ms] (9) IRSwT (10) TempFilterProof [SOUND, 26 ms] (11) IntTRS (12) PolynomialOrderProcessor [EQUIVALENT, 13 ms] (13) YES (14) IRSwT (15) IntTRSCompressionProof [EQUIVALENT, 0 ms] (16) IRSwT (17) IntTRSUnneededArgumentFilterProof [EQUIVALENT, 0 ms] (18) IRSwT (19) TempFilterProof [SOUND, 17 ms] (20) IntTRS (21) PolynomialOrderProcessor [EQUIVALENT, 3 ms] (22) YES ---------------------------------------- (0) Obligation: Rules: l0(i4HAT0, i7HAT0, tmpHAT0) -> l1(i4HATpost, i7HATpost, tmpHATpost) :|: tmpHAT0 = tmpHATpost && i4HAT0 = i4HATpost && i7HATpost = 0 && 10 <= i4HAT0 l0(x, x1, x2) -> l2(x3, x4, x5) :|: x2 = x5 && x1 = x4 && x3 = 1 + x && 1 + x <= 10 l2(x6, x7, x8) -> l0(x9, x10, x11) :|: x8 = x11 && x7 = x10 && x6 = x9 l1(x12, x13, x14) -> l3(x15, x16, x17) :|: x14 = x17 && x13 = x16 && x12 = x15 l3(x18, x19, x20) -> l4(x21, x22, x23) :|: x20 = x23 && x19 = x22 && x18 = x21 && 10 <= x19 l3(x24, x25, x26) -> l1(x27, x28, x29) :|: x26 = x29 && x24 = x27 && x28 = 1 + x25 && 1 + x25 <= 10 l5(x30, x31, x32) -> l2(x33, x34, x35) :|: x31 = x34 && x33 = 0 && x35 = x35 l6(x36, x37, x38) -> l5(x39, x40, x41) :|: x38 = x41 && x37 = x40 && x36 = x39 Start term: l6(i4HAT0, i7HAT0, tmpHAT0) ---------------------------------------- (1) IRSFormatTransformerProof (EQUIVALENT) Reformatted IRS to match normalized format (transformed away non-linear left-hand sides, !=, / and %). ---------------------------------------- (2) Obligation: Rules: l0(i4HAT0, i7HAT0, tmpHAT0) -> l1(i4HATpost, i7HATpost, tmpHATpost) :|: tmpHAT0 = tmpHATpost && i4HAT0 = i4HATpost && i7HATpost = 0 && 10 <= i4HAT0 l0(x, x1, x2) -> l2(x3, x4, x5) :|: x2 = x5 && x1 = x4 && x3 = 1 + x && 1 + x <= 10 l2(x6, x7, x8) -> l0(x9, x10, x11) :|: x8 = x11 && x7 = x10 && x6 = x9 l1(x12, x13, x14) -> l3(x15, x16, x17) :|: x14 = x17 && x13 = x16 && x12 = x15 l3(x18, x19, x20) -> l4(x21, x22, x23) :|: x20 = x23 && x19 = x22 && x18 = x21 && 10 <= x19 l3(x24, x25, x26) -> l1(x27, x28, x29) :|: x26 = x29 && x24 = x27 && x28 = 1 + x25 && 1 + x25 <= 10 l5(x30, x31, x32) -> l2(x33, x34, x35) :|: x31 = x34 && x33 = 0 && x35 = x35 l6(x36, x37, x38) -> l5(x39, x40, x41) :|: x38 = x41 && x37 = x40 && x36 = x39 Start term: l6(i4HAT0, i7HAT0, tmpHAT0) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) l0(i4HAT0, i7HAT0, tmpHAT0) -> l1(i4HATpost, i7HATpost, tmpHATpost) :|: tmpHAT0 = tmpHATpost && i4HAT0 = i4HATpost && i7HATpost = 0 && 10 <= i4HAT0 (2) l0(x, x1, x2) -> l2(x3, x4, x5) :|: x2 = x5 && x1 = x4 && x3 = 1 + x && 1 + x <= 10 (3) l2(x6, x7, x8) -> l0(x9, x10, x11) :|: x8 = x11 && x7 = x10 && x6 = x9 (4) l1(x12, x13, x14) -> l3(x15, x16, x17) :|: x14 = x17 && x13 = x16 && x12 = x15 (5) l3(x18, x19, x20) -> l4(x21, x22, x23) :|: x20 = x23 && x19 = x22 && x18 = x21 && 10 <= x19 (6) l3(x24, x25, x26) -> l1(x27, x28, x29) :|: x26 = x29 && x24 = x27 && x28 = 1 + x25 && 1 + x25 <= 10 (7) l5(x30, x31, x32) -> l2(x33, x34, x35) :|: x31 = x34 && x33 = 0 && x35 = x35 (8) l6(x36, x37, x38) -> l5(x39, x40, x41) :|: x38 = x41 && x37 = x40 && x36 = x39 Arcs: (1) -> (4) (2) -> (3) (3) -> (1), (2) (4) -> (5), (6) (6) -> (4) (7) -> (3) (8) -> (7) This digraph is fully evaluated! ---------------------------------------- (4) Complex Obligation (AND) ---------------------------------------- (5) Obligation: Termination digraph: Nodes: (1) l0(x, x1, x2) -> l2(x3, x4, x5) :|: x2 = x5 && x1 = x4 && x3 = 1 + x && 1 + x <= 10 (2) l2(x6, x7, x8) -> l0(x9, x10, x11) :|: x8 = x11 && x7 = x10 && x6 = x9 Arcs: (1) -> (2) (2) -> (1) This digraph is fully evaluated! ---------------------------------------- (6) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (7) Obligation: Rules: l0(x:0, x10:0, x11:0) -> l0(1 + x:0, x10:0, x11:0) :|: x:0 < 10 ---------------------------------------- (8) IntTRSUnneededArgumentFilterProof (EQUIVALENT) Some arguments are removed because they cannot influence termination. We removed arguments according to the following replacements: l0(x1, x2, x3) -> l0(x1) ---------------------------------------- (9) Obligation: Rules: l0(x:0) -> l0(1 + x:0) :|: x:0 < 10 ---------------------------------------- (10) TempFilterProof (SOUND) Used the following sort dictionary for filtering: l0(INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (11) Obligation: Rules: l0(x:0) -> l0(c) :|: c = 1 + x:0 && x:0 < 10 ---------------------------------------- (12) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [l0(x)] = 9 - x The following rules are decreasing: l0(x:0) -> l0(c) :|: c = 1 + x:0 && x:0 < 10 The following rules are bounded: l0(x:0) -> l0(c) :|: c = 1 + x:0 && x:0 < 10 ---------------------------------------- (13) YES ---------------------------------------- (14) Obligation: Termination digraph: Nodes: (1) l1(x12, x13, x14) -> l3(x15, x16, x17) :|: x14 = x17 && x13 = x16 && x12 = x15 (2) l3(x24, x25, x26) -> l1(x27, x28, x29) :|: x26 = x29 && x24 = x27 && x28 = 1 + x25 && 1 + x25 <= 10 Arcs: (1) -> (2) (2) -> (1) This digraph is fully evaluated! ---------------------------------------- (15) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (16) Obligation: Rules: l1(x12:0, x13:0, x14:0) -> l1(x12:0, 1 + x13:0, x14:0) :|: x13:0 < 10 ---------------------------------------- (17) IntTRSUnneededArgumentFilterProof (EQUIVALENT) Some arguments are removed because they cannot influence termination. We removed arguments according to the following replacements: l1(x1, x2, x3) -> l1(x2) ---------------------------------------- (18) Obligation: Rules: l1(x13:0) -> l1(1 + x13:0) :|: x13:0 < 10 ---------------------------------------- (19) TempFilterProof (SOUND) Used the following sort dictionary for filtering: l1(INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (20) Obligation: Rules: l1(x13:0) -> l1(c) :|: c = 1 + x13:0 && x13:0 < 10 ---------------------------------------- (21) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [l1(x)] = 9 - x The following rules are decreasing: l1(x13:0) -> l1(c) :|: c = 1 + x13:0 && x13:0 < 10 The following rules are bounded: l1(x13:0) -> l1(c) :|: c = 1 + x13:0 && x13:0 < 10 ---------------------------------------- (22) YES