/export/starexec/sandbox2/solver/bin/starexec_run_standard /export/starexec/sandbox2/benchmark/theBenchmark.jar /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox2/benchmark/theBenchmark.jar # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty termination of the given Bare JBC problem could be proven: (0) Bare JBC problem (1) BareJBCToJBCProof [EQUIVALENT, 96 ms] (2) JBC problem (3) JBCToGraph [EQUIVALENT, 373 ms] (4) JBCTerminationGraph (5) TerminationGraphToSCCProof [SOUND, 0 ms] (6) JBCTerminationSCC (7) SCCToIRSProof [SOUND, 92 ms] (8) IRSwT (9) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (10) IRSwT (11) IRSwTTerminationDigraphProof [EQUIVALENT, 46 ms] (12) IRSwT (13) IntTRSCompressionProof [EQUIVALENT, 0 ms] (14) IRSwT (15) TempFilterProof [SOUND, 56 ms] (16) IntTRS (17) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (18) IntTRS (19) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (20) YES ---------------------------------------- (0) Obligation: need to prove termination of the following program: /** * A recursive loop. * * All calls terminate. * * Julia + BinTerm prove that the call to test() terminates. * * @author Fausto Spoto */ public class Double { private static void test(int n) { for (int i = 0; i < n; i++) test(i); } public static void main(String[] args) { test(10); } } ---------------------------------------- (1) BareJBCToJBCProof (EQUIVALENT) initialized classpath ---------------------------------------- (2) Obligation: need to prove termination of the following program: /** * A recursive loop. * * All calls terminate. * * Julia + BinTerm prove that the call to test() terminates. * * @author Fausto Spoto */ public class Double { private static void test(int n) { for (int i = 0; i < n; i++) test(i); } public static void main(String[] args) { test(10); } } ---------------------------------------- (3) JBCToGraph (EQUIVALENT) Constructed TerminationGraph. ---------------------------------------- (4) Obligation: Termination Graph based on JBC Program: Double.main([Ljava/lang/String;)V: Graph of 8 nodes with 0 SCCs. Double.test(I)V: Graph of 20 nodes with 1 SCC. ---------------------------------------- (5) TerminationGraphToSCCProof (SOUND) Splitted TerminationGraph to 1 SCCs. ---------------------------------------- (6) Obligation: SCC of termination graph based on JBC Program. SCC contains nodes from the following methods: Double.test(I)V SCC calls the following helper methods: Double.test(I)V Performed SCC analyses: *Used field analysis yielded the following read fields: *Marker field analysis yielded the following relations that could be markers: ---------------------------------------- (7) SCCToIRSProof (SOUND) Transformed FIGraph SCCs to intTRSs. Log: Generated rules. Obtained 19 IRulesP rules: f854_0_test_Store(EOS(STATIC_854), i45, i46, matching1) -> f856_0_test_Load(EOS(STATIC_856), i45, i46, 0) :|: TRUE && matching1 = 0 f856_0_test_Load(EOS(STATIC_856), i45, i46, matching1) -> f1185_0_test_Load(EOS(STATIC_1185), i45, i46, 0) :|: TRUE && matching1 = 0 f1185_0_test_Load(EOS(STATIC_1185), i45, i54, i55) -> f1622_0_test_Load(EOS(STATIC_1622), i45, i54, i55) :|: TRUE f1622_0_test_Load(EOS(STATIC_1622), i45, i67, i68) -> f1720_0_test_Load(EOS(STATIC_1720), i45, i67, i68) :|: TRUE f1720_0_test_Load(EOS(STATIC_1720), i45, i81, i82) -> f1723_0_test_Load(EOS(STATIC_1723), i45, i81, i82, i82) :|: TRUE f1723_0_test_Load(EOS(STATIC_1723), i45, i81, i82, i82) -> f1725_0_test_GE(EOS(STATIC_1725), i45, i81, i82, i82, i81) :|: TRUE f1725_0_test_GE(EOS(STATIC_1725), i45, i81, i82, i82, i81) -> f1820_0_test_GE(EOS(STATIC_1820), i45, i81, i82, i82, i81) :|: i82 < i81 f1820_0_test_GE(EOS(STATIC_1820), i45, i81, i82, i82, i81) -> f1822_0_test_Load(EOS(STATIC_1822), i45, i81, i82) :|: i82 < i81 f1822_0_test_Load(EOS(STATIC_1822), i45, i81, i82) -> f1824_0_test_InvokeMethod(EOS(STATIC_1824), i45, i81, i82, i82) :|: TRUE f1824_0_test_InvokeMethod(EOS(STATIC_1824), i45, i81, i82, i82) -> f1825_0_test_ConstantStackPush(EOS(STATIC_1825), i82, i82) :|: i81 >= 1 && i82 < i81 f1824_0_test_InvokeMethod(EOS(STATIC_1824), i45, i81, i82, i82) -> f1825_1_test_ConstantStackPush(EOS(STATIC_1825), i45, i81, i82, i82) :|: i81 >= 1 && i82 < i81 f1825_0_test_ConstantStackPush(EOS(STATIC_1825), i82, i82) -> f1827_0_test_ConstantStackPush(EOS(STATIC_1827), i82, i82) :|: TRUE f1827_0_test_ConstantStackPush(EOS(STATIC_1827), i82, i82) -> f850_0_test_ConstantStackPush(EOS(STATIC_850), i82, i82) :|: TRUE f850_0_test_ConstantStackPush(EOS(STATIC_850), i45, i46) -> f854_0_test_Store(EOS(STATIC_854), i45, i46, 0) :|: TRUE f1828_0_test_Return(EOS(STATIC_1828), i45, i81, i92) -> f1829_0_test_Inc(EOS(STATIC_1829), i45, i81, i92) :|: TRUE f1829_0_test_Inc(EOS(STATIC_1829), i45, i81, i92) -> f1830_0_test_JMP(EOS(STATIC_1830), i45, i81, i92 + 1) :|: TRUE f1830_0_test_JMP(EOS(STATIC_1830), i45, i81, i93) -> f1831_0_test_Load(EOS(STATIC_1831), i45, i81, i93) :|: TRUE f1831_0_test_Load(EOS(STATIC_1831), i45, i81, i93) -> f1720_0_test_Load(EOS(STATIC_1720), i45, i81, i93) :|: TRUE f1825_1_test_ConstantStackPush(EOS(STATIC_1825), i45, i81, i92, i92) -> f1828_0_test_Return(EOS(STATIC_1828), i45, i81, i92) :|: TRUE Combined rules. Obtained 2 IRulesP rules: f1824_0_test_InvokeMethod(EOS(STATIC_1824), i45:0, i81:0, i82:0, i82:0) -> f1824_0_test_InvokeMethod(EOS(STATIC_1824), i82:0, i82:0, 0, 0) :|: i82:0 < i81:0 && i81:0 > 0 && i82:0 > 0 f1824_0_test_InvokeMethod(EOS(STATIC_1824), i45:0, i81:0, i82:0, i82:0) -> f1824_0_test_InvokeMethod(EOS(STATIC_1824), i45:0, i81:0, i82:0 + 1, i82:0 + 1) :|: i82:0 + 1 < i81:0 && i81:0 > 0 Filtered constant ground arguments: f1824_0_test_InvokeMethod(x1, x2, x3, x4, x5) -> f1824_0_test_InvokeMethod(x2, x3, x4, x5) EOS(x1) -> EOS Filtered duplicate arguments: f1824_0_test_InvokeMethod(x1, x2, x3, x4) -> f1824_0_test_InvokeMethod(x1, x2, x4) Filtered unneeded arguments: f1824_0_test_InvokeMethod(x1, x2, x3) -> f1824_0_test_InvokeMethod(x2, x3) Finished conversion. Obtained 2 rules.P rules: f1824_0_test_InvokeMethod(i81:0, i82:0) -> f1824_0_test_InvokeMethod(i82:0, 0) :|: i81:0 > 0 && i82:0 > 0 && i82:0 < i81:0 f1824_0_test_InvokeMethod(i81:0, i82:0) -> f1824_0_test_InvokeMethod(i81:0, i82:0 + 1) :|: i82:0 + 1 < i81:0 && i81:0 > 0 ---------------------------------------- (8) Obligation: Rules: f1824_0_test_InvokeMethod(i81:0, i82:0) -> f1824_0_test_InvokeMethod(i82:0, 0) :|: i81:0 > 0 && i82:0 > 0 && i82:0 < i81:0 f1824_0_test_InvokeMethod(x, x1) -> f1824_0_test_InvokeMethod(x, x1 + 1) :|: x1 + 1 < x && x > 0 ---------------------------------------- (9) IRSFormatTransformerProof (EQUIVALENT) Reformatted IRS to match normalized format (transformed away non-linear left-hand sides, !=, / and %). ---------------------------------------- (10) Obligation: Rules: f1824_0_test_InvokeMethod(i81:0, i82:0) -> f1824_0_test_InvokeMethod(i82:0, 0) :|: i81:0 > 0 && i82:0 > 0 && i82:0 < i81:0 f1824_0_test_InvokeMethod(x, x1) -> f1824_0_test_InvokeMethod(x, arith) :|: x1 + 1 < x && x > 0 && arith = x1 + 1 ---------------------------------------- (11) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1824_0_test_InvokeMethod(i81:0, i82:0) -> f1824_0_test_InvokeMethod(i82:0, 0) :|: i81:0 > 0 && i82:0 > 0 && i82:0 < i81:0 (2) f1824_0_test_InvokeMethod(x, x1) -> f1824_0_test_InvokeMethod(x, arith) :|: x1 + 1 < x && x > 0 && arith = x1 + 1 Arcs: (1) -> (2) (2) -> (1), (2) This digraph is fully evaluated! ---------------------------------------- (12) Obligation: Termination digraph: Nodes: (1) f1824_0_test_InvokeMethod(i81:0, i82:0) -> f1824_0_test_InvokeMethod(i82:0, 0) :|: i81:0 > 0 && i82:0 > 0 && i82:0 < i81:0 (2) f1824_0_test_InvokeMethod(x, x1) -> f1824_0_test_InvokeMethod(x, arith) :|: x1 + 1 < x && x > 0 && arith = x1 + 1 Arcs: (1) -> (2) (2) -> (1), (2) This digraph is fully evaluated! ---------------------------------------- (13) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (14) Obligation: Rules: f1824_0_test_InvokeMethod(x:0, x1:0) -> f1824_0_test_InvokeMethod(x:0, x1:0 + 1) :|: x:0 > x1:0 + 1 && x:0 > 0 f1824_0_test_InvokeMethod(i81:0:0, i82:0:0) -> f1824_0_test_InvokeMethod(i82:0:0, 0) :|: i81:0:0 > 0 && i82:0:0 > 0 && i82:0:0 < i81:0:0 ---------------------------------------- (15) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f1824_0_test_InvokeMethod(INTEGER, VARIABLE) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (16) Obligation: Rules: f1824_0_test_InvokeMethod(x:0, x1:0) -> f1824_0_test_InvokeMethod(x:0, c) :|: c = x1:0 + 1 && (x:0 > x1:0 + 1 && x:0 > 0) f1824_0_test_InvokeMethod(i81:0:0, i82:0:0) -> f1824_0_test_InvokeMethod(i82:0:0, c1) :|: c1 = 0 && (i81:0:0 > 0 && i82:0:0 > 0 && i82:0:0 < i81:0:0) ---------------------------------------- (17) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f1824_0_test_InvokeMethod(x, x1)] = -2 + x The following rules are decreasing: f1824_0_test_InvokeMethod(i81:0:0, i82:0:0) -> f1824_0_test_InvokeMethod(i82:0:0, c1) :|: c1 = 0 && (i81:0:0 > 0 && i82:0:0 > 0 && i82:0:0 < i81:0:0) The following rules are bounded: f1824_0_test_InvokeMethod(i81:0:0, i82:0:0) -> f1824_0_test_InvokeMethod(i82:0:0, c1) :|: c1 = 0 && (i81:0:0 > 0 && i82:0:0 > 0 && i82:0:0 < i81:0:0) ---------------------------------------- (18) Obligation: Rules: f1824_0_test_InvokeMethod(x:0, x1:0) -> f1824_0_test_InvokeMethod(x:0, c) :|: c = x1:0 + 1 && (x:0 > x1:0 + 1 && x:0 > 0) ---------------------------------------- (19) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f1824_0_test_InvokeMethod(x, x1)] = x - x1 The following rules are decreasing: f1824_0_test_InvokeMethod(x:0, x1:0) -> f1824_0_test_InvokeMethod(x:0, c) :|: c = x1:0 + 1 && (x:0 > x1:0 + 1 && x:0 > 0) The following rules are bounded: f1824_0_test_InvokeMethod(x:0, x1:0) -> f1824_0_test_InvokeMethod(x:0, c) :|: c = x1:0 + 1 && (x:0 > x1:0 + 1 && x:0 > 0) ---------------------------------------- (20) YES