java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/const1.i_3.bplTransformedIcfg_BEv2_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:37:24,782 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:37:24,784 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:37:24,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:37:24,802 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:37:24,803 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:37:24,805 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:37:24,807 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:37:24,808 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:37:24,809 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:37:24,810 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:37:24,810 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:37:24,811 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:37:24,812 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:37:24,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:37:24,814 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:37:24,818 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:37:24,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:37:24,827 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:37:24,829 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:37:24,833 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:37:24,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:37:24,839 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 13:37:24,852 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:37:24,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:37:24,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:37:24,869 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:37:24,870 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:37:24,870 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:37:24,870 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:37:24,870 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:37:24,870 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:37:24,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:37:24,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:37:24,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:37:24,953 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:37:24,953 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:37:24,954 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/const1.i_3.bplTransformedIcfg_BEv2_6.bpl [2018-07-23 13:37:24,955 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/const1.i_3.bplTransformedIcfg_BEv2_6.bpl' [2018-07-23 13:37:25,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:37:25,004 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:37:25,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:37:25,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:37:25,005 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:37:25,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:24" (1/1) ... [2018-07-23 13:37:25,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:24" (1/1) ... [2018-07-23 13:37:25,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:24" (1/1) ... [2018-07-23 13:37:25,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:24" (1/1) ... [2018-07-23 13:37:25,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:24" (1/1) ... [2018-07-23 13:37:25,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:24" (1/1) ... [2018-07-23 13:37:25,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:24" (1/1) ... [2018-07-23 13:37:25,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:37:25,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:37:25,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:37:25,053 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:37:25,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:24" (1/1) ... [2018-07-23 13:37:25,140 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:37:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:37:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:37:25,272 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:37:25,273 INFO L202 PluginConnector]: Adding new model const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:37:25 BoogieIcfgContainer [2018-07-23 13:37:25,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:37:25,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:37:25,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:37:25,278 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:37:25,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:24" (1/2) ... [2018-07-23 13:37:25,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5317e2 and model type const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:37:25, skipping insertion in model container [2018-07-23 13:37:25,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:37:25" (2/2) ... [2018-07-23 13:37:25,282 INFO L112 eAbstractionObserver]: Analyzing ICFG const1.i_3.bplTransformedIcfg_BEv2_6.bpl [2018-07-23 13:37:25,292 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:37:25,300 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:37:25,347 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:37:25,347 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:37:25,347 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:37:25,348 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:37:25,348 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:37:25,348 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:37:25,348 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:37:25,348 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:37:25,348 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:37:25,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 13:37:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 13:37:25,370 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:25,371 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 13:37:25,371 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:25,377 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-07-23 13:37:25,383 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,445 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:37:25,446 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:37:25,448 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,449 INFO L185 omatonBuilderFactory]: Interpolants [8#true, 9#false, 10#(= ULTIMATE.start_main_~x~4 1)] [2018-07-23 13:37:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,450 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:37:25,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:37:25,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:37:25,466 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-23 13:37:25,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:25,490 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-23 13:37:25,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:37:25,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 13:37:25,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:25,502 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:37:25,502 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 13:37:25,506 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:37:25,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 13:37:25,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 13:37:25,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 13:37:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 13:37:25,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 13:37:25,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:25,540 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 13:37:25,541 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:37:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 13:37:25,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:37:25,541 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:25,542 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:37:25,542 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:25,542 INFO L82 PathProgramCache]: Analyzing trace with hash 930412, now seen corresponding path program 1 times [2018-07-23 13:37:25,542 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,571 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:25,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:37:25,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,572 INFO L185 omatonBuilderFactory]: Interpolants [37#true, 38#false, 39#(<= ULTIMATE.start_main_~y~4 0), 40#(<= ULTIMATE.start_main_~y~4 1)] [2018-07-23 13:37:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:37:25,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:37:25,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:37:25,575 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2018-07-23 13:37:25,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:25,592 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-23 13:37:25,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:37:25,593 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:37:25,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:25,594 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:37:25,594 INFO L226 Difference]: Without dead ends: 6 [2018-07-23 13:37:25,595 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:37:25,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-23 13:37:25,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-23 13:37:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-23 13:37:25,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-07-23 13:37:25,598 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2018-07-23 13:37:25,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:25,599 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-07-23 13:37:25,599 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:37:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-07-23 13:37:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-23 13:37:25,599 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:25,600 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-07-23 13:37:25,600 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:25,600 INFO L82 PathProgramCache]: Analyzing trace with hash 28844579, now seen corresponding path program 2 times [2018-07-23 13:37:25,601 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,651 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:25,651 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:37:25,654 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,654 INFO L185 omatonBuilderFactory]: Interpolants [69#true, 70#false, 71#(<= ULTIMATE.start_main_~y~4 0), 72#(<= ULTIMATE.start_main_~y~4 1), 73#(<= ULTIMATE.start_main_~y~4 2)] [2018-07-23 13:37:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,655 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:37:25,655 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:37:25,655 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:37:25,656 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 5 states. [2018-07-23 13:37:25,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:25,678 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-23 13:37:25,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:37:25,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2018-07-23 13:37:25,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:25,680 INFO L225 Difference]: With dead ends: 9 [2018-07-23 13:37:25,680 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:37:25,680 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:37:25,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:37:25,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:37:25,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:37:25,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:37:25,683 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-07-23 13:37:25,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:25,684 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:37:25,684 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:37:25,684 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:37:25,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:37:25,685 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:25,685 INFO L357 BasicCegarLoop]: trace histogram [3, 1, 1, 1] [2018-07-23 13:37:25,685 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:25,685 INFO L82 PathProgramCache]: Analyzing trace with hash 894183756, now seen corresponding path program 3 times [2018-07-23 13:37:25,685 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:25,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,735 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:25,735 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:37:25,735 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,736 INFO L185 omatonBuilderFactory]: Interpolants [106#true, 107#false, 108#(<= ULTIMATE.start_main_~y~4 0), 109#(<= ULTIMATE.start_main_~y~4 1), 110#(<= ULTIMATE.start_main_~y~4 2), 111#(<= ULTIMATE.start_main_~y~4 3)] [2018-07-23 13:37:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,736 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:37:25,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:37:25,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:37:25,737 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-07-23 13:37:25,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:25,761 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2018-07-23 13:37:25,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:37:25,761 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-23 13:37:25,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:25,762 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:37:25,762 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:37:25,763 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:37:25,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:37:25,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-23 13:37:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-23 13:37:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-07-23 13:37:25,766 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2018-07-23 13:37:25,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:25,766 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-07-23 13:37:25,767 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:37:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-07-23 13:37:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-23 13:37:25,767 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:25,767 INFO L357 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2018-07-23 13:37:25,768 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:25,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1949894467, now seen corresponding path program 4 times [2018-07-23 13:37:25,768 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,804 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:25,804 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:37:25,804 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,805 INFO L185 omatonBuilderFactory]: Interpolants [148#true, 149#false, 150#(<= ULTIMATE.start_main_~y~4 0), 151#(<= ULTIMATE.start_main_~y~4 1), 152#(<= ULTIMATE.start_main_~y~4 2), 153#(<= ULTIMATE.start_main_~y~4 3), 154#(<= ULTIMATE.start_main_~y~4 4)] [2018-07-23 13:37:25,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,805 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:37:25,805 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:37:25,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:37:25,806 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 7 states. [2018-07-23 13:37:25,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:25,821 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:37:25,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:37:25,822 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-23 13:37:25,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:25,823 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:37:25,823 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:37:25,823 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:37:25,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:37:25,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:37:25,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:37:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:37:25,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-07-23 13:37:25,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:25,827 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:37:25,827 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:37:25,827 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:37:25,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:37:25,828 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:25,828 INFO L357 BasicCegarLoop]: trace histogram [5, 1, 1, 1] [2018-07-23 13:37:25,828 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:25,829 INFO L82 PathProgramCache]: Analyzing trace with hash 317188140, now seen corresponding path program 5 times [2018-07-23 13:37:25,829 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,911 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:25,911 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:37:25,912 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:25,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,914 INFO L185 omatonBuilderFactory]: Interpolants [195#true, 196#false, 197#(<= ULTIMATE.start_main_~y~4 0), 198#(<= ULTIMATE.start_main_~y~4 1), 199#(<= ULTIMATE.start_main_~y~4 2), 200#(<= ULTIMATE.start_main_~y~4 3), 201#(<= ULTIMATE.start_main_~y~4 4), 202#(<= ULTIMATE.start_main_~y~4 5)] [2018-07-23 13:37:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:25,915 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:37:25,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:37:25,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:37:25,917 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 8 states. [2018-07-23 13:37:25,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:25,949 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-07-23 13:37:25,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:37:25,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 8 [2018-07-23 13:37:25,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:25,952 INFO L225 Difference]: With dead ends: 12 [2018-07-23 13:37:25,952 INFO L226 Difference]: Without dead ends: 10 [2018-07-23 13:37:25,953 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:37:25,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-23 13:37:25,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-07-23 13:37:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-07-23 13:37:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-07-23 13:37:25,963 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-07-23 13:37:25,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:25,963 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2018-07-23 13:37:25,963 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:37:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-07-23 13:37:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-23 13:37:25,966 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:25,966 INFO L357 BasicCegarLoop]: trace histogram [6, 1, 1, 1] [2018-07-23 13:37:25,966 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:25,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1242899555, now seen corresponding path program 6 times [2018-07-23 13:37:25,967 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,026 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:26,026 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:37:26,026 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,027 INFO L185 omatonBuilderFactory]: Interpolants [247#true, 248#false, 249#(<= ULTIMATE.start_main_~y~4 0), 250#(<= ULTIMATE.start_main_~y~4 1), 251#(<= ULTIMATE.start_main_~y~4 2), 252#(<= ULTIMATE.start_main_~y~4 3), 253#(<= ULTIMATE.start_main_~y~4 4), 254#(<= ULTIMATE.start_main_~y~4 5), 255#(<= ULTIMATE.start_main_~y~4 6)] [2018-07-23 13:37:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,028 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:37:26,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:37:26,031 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:37:26,032 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 9 states. [2018-07-23 13:37:26,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:26,063 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:37:26,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:37:26,064 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2018-07-23 13:37:26,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:26,065 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:37:26,065 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:37:26,069 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:37:26,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:37:26,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:37:26,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:37:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:37:26,075 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-07-23 13:37:26,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:26,075 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:37:26,076 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:37:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:37:26,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:37:26,078 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:26,078 INFO L357 BasicCegarLoop]: trace histogram [7, 1, 1, 1] [2018-07-23 13:37:26,078 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:26,078 INFO L82 PathProgramCache]: Analyzing trace with hash -124817652, now seen corresponding path program 7 times [2018-07-23 13:37:26,079 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,137 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:26,137 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:37:26,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,138 INFO L185 omatonBuilderFactory]: Interpolants [304#true, 305#false, 306#(<= ULTIMATE.start_main_~y~4 0), 307#(<= ULTIMATE.start_main_~y~4 1), 308#(<= ULTIMATE.start_main_~y~4 2), 309#(<= ULTIMATE.start_main_~y~4 3), 310#(<= ULTIMATE.start_main_~y~4 4), 311#(<= ULTIMATE.start_main_~y~4 5), 312#(<= ULTIMATE.start_main_~y~4 6), 313#(<= ULTIMATE.start_main_~y~4 7)] [2018-07-23 13:37:26,141 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,142 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:37:26,142 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:37:26,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:37:26,143 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 10 states. [2018-07-23 13:37:26,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:26,174 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-23 13:37:26,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:37:26,175 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2018-07-23 13:37:26,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:26,175 INFO L225 Difference]: With dead ends: 14 [2018-07-23 13:37:26,176 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 13:37:26,176 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:37:26,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 13:37:26,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-23 13:37:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-23 13:37:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-23 13:37:26,183 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-23 13:37:26,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:26,183 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-23 13:37:26,183 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:37:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-23 13:37:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-23 13:37:26,184 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:26,184 INFO L357 BasicCegarLoop]: trace histogram [8, 1, 1, 1] [2018-07-23 13:37:26,185 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:26,185 INFO L82 PathProgramCache]: Analyzing trace with hash 425621891, now seen corresponding path program 8 times [2018-07-23 13:37:26,185 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,250 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:26,251 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:37:26,251 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,251 INFO L185 omatonBuilderFactory]: Interpolants [368#(<= ULTIMATE.start_main_~y~4 0), 369#(<= ULTIMATE.start_main_~y~4 1), 370#(<= ULTIMATE.start_main_~y~4 2), 371#(<= ULTIMATE.start_main_~y~4 3), 372#(<= ULTIMATE.start_main_~y~4 4), 373#(<= ULTIMATE.start_main_~y~4 5), 374#(<= ULTIMATE.start_main_~y~4 6), 375#(<= ULTIMATE.start_main_~y~4 7), 376#(<= ULTIMATE.start_main_~y~4 8), 366#true, 367#false] [2018-07-23 13:37:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,252 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:37:26,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:37:26,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:37:26,253 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 11 states. [2018-07-23 13:37:26,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:26,266 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:37:26,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:37:26,266 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2018-07-23 13:37:26,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:26,267 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:37:26,267 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:37:26,268 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:37:26,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:37:26,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:37:26,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:37:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:37:26,271 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-07-23 13:37:26,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:26,272 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:37:26,272 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:37:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:37:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:37:26,273 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:26,273 INFO L357 BasicCegarLoop]: trace histogram [9, 1, 1, 1] [2018-07-23 13:37:26,273 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:26,273 INFO L82 PathProgramCache]: Analyzing trace with hash 309378540, now seen corresponding path program 9 times [2018-07-23 13:37:26,273 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,326 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:26,328 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:37:26,328 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:26,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,329 INFO L185 omatonBuilderFactory]: Interpolants [433#true, 434#false, 435#(<= ULTIMATE.start_main_~y~4 0), 436#(<= ULTIMATE.start_main_~y~4 1), 437#(<= ULTIMATE.start_main_~y~4 2), 438#(<= ULTIMATE.start_main_~y~4 3), 439#(<= ULTIMATE.start_main_~y~4 4), 440#(<= ULTIMATE.start_main_~y~4 5), 441#(<= ULTIMATE.start_main_~y~4 6), 442#(<= ULTIMATE.start_main_~y~4 7), 443#(<= ULTIMATE.start_main_~y~4 8), 444#(<= ULTIMATE.start_main_~y~4 9)] [2018-07-23 13:37:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,329 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:37:26,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:37:26,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:37:26,331 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 12 states. [2018-07-23 13:37:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:26,362 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-07-23 13:37:26,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:37:26,362 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2018-07-23 13:37:26,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:26,363 INFO L225 Difference]: With dead ends: 16 [2018-07-23 13:37:26,368 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 13:37:26,369 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:37:26,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 13:37:26,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-23 13:37:26,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-23 13:37:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-23 13:37:26,378 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2018-07-23 13:37:26,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:26,379 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-23 13:37:26,379 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:37:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-23 13:37:26,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-23 13:37:26,382 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:26,382 INFO L357 BasicCegarLoop]: trace histogram [10, 1, 1, 1] [2018-07-23 13:37:26,384 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:26,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1000801955, now seen corresponding path program 10 times [2018-07-23 13:37:26,384 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,465 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:26,465 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:37:26,465 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:26,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,466 INFO L185 omatonBuilderFactory]: Interpolants [512#(<= ULTIMATE.start_main_~y~4 5), 513#(<= ULTIMATE.start_main_~y~4 6), 514#(<= ULTIMATE.start_main_~y~4 7), 515#(<= ULTIMATE.start_main_~y~4 8), 516#(<= ULTIMATE.start_main_~y~4 9), 517#(<= ULTIMATE.start_main_~y~4 10), 505#true, 506#false, 507#(<= ULTIMATE.start_main_~y~4 0), 508#(<= ULTIMATE.start_main_~y~4 1), 509#(<= ULTIMATE.start_main_~y~4 2), 510#(<= ULTIMATE.start_main_~y~4 3), 511#(<= ULTIMATE.start_main_~y~4 4)] [2018-07-23 13:37:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,467 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:37:26,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:37:26,467 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:37:26,468 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 13 states. [2018-07-23 13:37:26,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:26,488 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:37:26,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:37:26,488 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 13 [2018-07-23 13:37:26,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:26,489 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:37:26,489 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:37:26,490 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:37:26,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:37:26,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:37:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:37:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:37:26,494 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2018-07-23 13:37:26,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:26,494 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:37:26,495 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:37:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:37:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:37:26,495 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:26,496 INFO L357 BasicCegarLoop]: trace histogram [11, 1, 1, 1] [2018-07-23 13:37:26,496 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:26,496 INFO L82 PathProgramCache]: Analyzing trace with hash 960091340, now seen corresponding path program 11 times [2018-07-23 13:37:26,497 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,540 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:26,540 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:37:26,540 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,541 INFO L185 omatonBuilderFactory]: Interpolants [582#true, 583#false, 584#(<= ULTIMATE.start_main_~y~4 0), 585#(<= ULTIMATE.start_main_~y~4 1), 586#(<= ULTIMATE.start_main_~y~4 2), 587#(<= ULTIMATE.start_main_~y~4 3), 588#(<= ULTIMATE.start_main_~y~4 4), 589#(<= ULTIMATE.start_main_~y~4 5), 590#(<= ULTIMATE.start_main_~y~4 6), 591#(<= ULTIMATE.start_main_~y~4 7), 592#(<= ULTIMATE.start_main_~y~4 8), 593#(<= ULTIMATE.start_main_~y~4 9), 594#(<= ULTIMATE.start_main_~y~4 10), 595#(<= ULTIMATE.start_main_~y~4 11)] [2018-07-23 13:37:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,542 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:37:26,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:37:26,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:37:26,543 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 14 states. [2018-07-23 13:37:26,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:26,575 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-07-23 13:37:26,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:37:26,576 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 14 [2018-07-23 13:37:26,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:26,577 INFO L225 Difference]: With dead ends: 18 [2018-07-23 13:37:26,577 INFO L226 Difference]: Without dead ends: 16 [2018-07-23 13:37:26,577 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:37:26,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-23 13:37:26,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-23 13:37:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-23 13:37:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-07-23 13:37:26,582 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-07-23 13:37:26,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:26,583 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-07-23 13:37:26,583 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:37:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-07-23 13:37:26,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-23 13:37:26,587 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:26,587 INFO L357 BasicCegarLoop]: trace histogram [12, 1, 1, 1] [2018-07-23 13:37:26,587 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:26,588 INFO L82 PathProgramCache]: Analyzing trace with hash -301937725, now seen corresponding path program 12 times [2018-07-23 13:37:26,588 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,648 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:26,649 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:37:26,649 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,650 INFO L185 omatonBuilderFactory]: Interpolants [672#(<= ULTIMATE.start_main_~y~4 6), 673#(<= ULTIMATE.start_main_~y~4 7), 674#(<= ULTIMATE.start_main_~y~4 8), 675#(<= ULTIMATE.start_main_~y~4 9), 676#(<= ULTIMATE.start_main_~y~4 10), 677#(<= ULTIMATE.start_main_~y~4 11), 678#(<= ULTIMATE.start_main_~y~4 12), 664#true, 665#false, 666#(<= ULTIMATE.start_main_~y~4 0), 667#(<= ULTIMATE.start_main_~y~4 1), 668#(<= ULTIMATE.start_main_~y~4 2), 669#(<= ULTIMATE.start_main_~y~4 3), 670#(<= ULTIMATE.start_main_~y~4 4), 671#(<= ULTIMATE.start_main_~y~4 5)] [2018-07-23 13:37:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,650 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:37:26,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:37:26,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:37:26,651 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 15 states. [2018-07-23 13:37:26,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:26,683 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:37:26,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:37:26,684 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2018-07-23 13:37:26,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:26,687 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:37:26,687 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:37:26,687 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:37:26,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:37:26,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:37:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:37:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:37:26,695 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2018-07-23 13:37:26,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:26,695 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:37:26,695 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:37:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:37:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:37:26,696 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:26,697 INFO L357 BasicCegarLoop]: trace histogram [13, 1, 1, 1] [2018-07-23 13:37:26,697 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:26,697 INFO L82 PathProgramCache]: Analyzing trace with hash -770133076, now seen corresponding path program 13 times [2018-07-23 13:37:26,697 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,745 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:26,745 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:37:26,746 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,746 INFO L185 omatonBuilderFactory]: Interpolants [751#true, 752#false, 753#(<= ULTIMATE.start_main_~y~4 0), 754#(<= ULTIMATE.start_main_~y~4 1), 755#(<= ULTIMATE.start_main_~y~4 2), 756#(<= ULTIMATE.start_main_~y~4 3), 757#(<= ULTIMATE.start_main_~y~4 4), 758#(<= ULTIMATE.start_main_~y~4 5), 759#(<= ULTIMATE.start_main_~y~4 6), 760#(<= ULTIMATE.start_main_~y~4 7), 761#(<= ULTIMATE.start_main_~y~4 8), 762#(<= ULTIMATE.start_main_~y~4 9), 763#(<= ULTIMATE.start_main_~y~4 10), 764#(<= ULTIMATE.start_main_~y~4 11), 765#(<= ULTIMATE.start_main_~y~4 12), 766#(<= ULTIMATE.start_main_~y~4 13)] [2018-07-23 13:37:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,747 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:37:26,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:37:26,748 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:37:26,748 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 16 states. [2018-07-23 13:37:26,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:26,771 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-07-23 13:37:26,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:37:26,771 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 16 [2018-07-23 13:37:26,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:26,772 INFO L225 Difference]: With dead ends: 20 [2018-07-23 13:37:26,772 INFO L226 Difference]: Without dead ends: 18 [2018-07-23 13:37:26,773 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:37:26,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-23 13:37:26,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-07-23 13:37:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-23 13:37:26,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-07-23 13:37:26,779 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2018-07-23 13:37:26,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:26,779 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-07-23 13:37:26,779 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:37:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-07-23 13:37:26,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-23 13:37:26,780 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:26,780 INFO L357 BasicCegarLoop]: trace histogram [14, 1, 1, 1] [2018-07-23 13:37:26,780 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:26,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1895680227, now seen corresponding path program 14 times [2018-07-23 13:37:26,780 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:26,831 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,831 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:26,831 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:37:26,832 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:26,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,832 INFO L185 omatonBuilderFactory]: Interpolants [843#true, 844#false, 845#(<= ULTIMATE.start_main_~y~4 0), 846#(<= ULTIMATE.start_main_~y~4 1), 847#(<= ULTIMATE.start_main_~y~4 2), 848#(<= ULTIMATE.start_main_~y~4 3), 849#(<= ULTIMATE.start_main_~y~4 4), 850#(<= ULTIMATE.start_main_~y~4 5), 851#(<= ULTIMATE.start_main_~y~4 6), 852#(<= ULTIMATE.start_main_~y~4 7), 853#(<= ULTIMATE.start_main_~y~4 8), 854#(<= ULTIMATE.start_main_~y~4 9), 855#(<= ULTIMATE.start_main_~y~4 10), 856#(<= ULTIMATE.start_main_~y~4 11), 857#(<= ULTIMATE.start_main_~y~4 12), 858#(<= ULTIMATE.start_main_~y~4 13), 859#(<= ULTIMATE.start_main_~y~4 14)] [2018-07-23 13:37:26,833 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,833 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:37:26,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:37:26,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:37:26,834 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 17 states. [2018-07-23 13:37:26,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:26,848 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:37:26,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:37:26,852 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 17 [2018-07-23 13:37:26,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:26,853 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:37:26,853 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:37:26,854 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:37:26,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:37:26,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:37:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:37:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:37:26,864 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2018-07-23 13:37:26,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:26,864 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:37:26,865 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:37:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:37:26,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:37:26,865 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:26,866 INFO L357 BasicCegarLoop]: trace histogram [15, 1, 1, 1] [2018-07-23 13:37:26,866 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:26,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1363453300, now seen corresponding path program 15 times [2018-07-23 13:37:26,867 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,924 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:26,925 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:37:26,925 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,926 INFO L185 omatonBuilderFactory]: Interpolants [940#true, 941#false, 942#(<= ULTIMATE.start_main_~y~4 0), 943#(<= ULTIMATE.start_main_~y~4 1), 944#(<= ULTIMATE.start_main_~y~4 2), 945#(<= ULTIMATE.start_main_~y~4 3), 946#(<= ULTIMATE.start_main_~y~4 4), 947#(<= ULTIMATE.start_main_~y~4 5), 948#(<= ULTIMATE.start_main_~y~4 6), 949#(<= ULTIMATE.start_main_~y~4 7), 950#(<= ULTIMATE.start_main_~y~4 8), 951#(<= ULTIMATE.start_main_~y~4 9), 952#(<= ULTIMATE.start_main_~y~4 10), 953#(<= ULTIMATE.start_main_~y~4 11), 954#(<= ULTIMATE.start_main_~y~4 12), 955#(<= ULTIMATE.start_main_~y~4 13), 956#(<= ULTIMATE.start_main_~y~4 14), 957#(<= ULTIMATE.start_main_~y~4 15)] [2018-07-23 13:37:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:26,927 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:37:26,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:37:26,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:37:26,928 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 18 states. [2018-07-23 13:37:26,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:26,943 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-07-23 13:37:26,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:37:26,943 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2018-07-23 13:37:26,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:26,944 INFO L225 Difference]: With dead ends: 22 [2018-07-23 13:37:26,944 INFO L226 Difference]: Without dead ends: 20 [2018-07-23 13:37:26,945 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:37:26,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-23 13:37:26,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-07-23 13:37:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-07-23 13:37:26,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-07-23 13:37:26,952 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2018-07-23 13:37:26,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:26,953 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2018-07-23 13:37:26,953 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:37:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-07-23 13:37:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-07-23 13:37:26,954 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:26,954 INFO L357 BasicCegarLoop]: trace histogram [16, 1, 1, 1] [2018-07-23 13:37:26,954 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:26,955 INFO L82 PathProgramCache]: Analyzing trace with hash 682622467, now seen corresponding path program 16 times [2018-07-23 13:37:26,955 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,013 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:27,013 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:37:27,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:27,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,015 INFO L185 omatonBuilderFactory]: Interpolants [1056#(<= ULTIMATE.start_main_~y~4 12), 1057#(<= ULTIMATE.start_main_~y~4 13), 1058#(<= ULTIMATE.start_main_~y~4 14), 1059#(<= ULTIMATE.start_main_~y~4 15), 1060#(<= ULTIMATE.start_main_~y~4 16), 1042#true, 1043#false, 1044#(<= ULTIMATE.start_main_~y~4 0), 1045#(<= ULTIMATE.start_main_~y~4 1), 1046#(<= ULTIMATE.start_main_~y~4 2), 1047#(<= ULTIMATE.start_main_~y~4 3), 1048#(<= ULTIMATE.start_main_~y~4 4), 1049#(<= ULTIMATE.start_main_~y~4 5), 1050#(<= ULTIMATE.start_main_~y~4 6), 1051#(<= ULTIMATE.start_main_~y~4 7), 1052#(<= ULTIMATE.start_main_~y~4 8), 1053#(<= ULTIMATE.start_main_~y~4 9), 1054#(<= ULTIMATE.start_main_~y~4 10), 1055#(<= ULTIMATE.start_main_~y~4 11)] [2018-07-23 13:37:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,015 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:37:27,016 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:37:27,016 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:37:27,016 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 19 states. [2018-07-23 13:37:27,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:27,029 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:37:27,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:37:27,029 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 19 [2018-07-23 13:37:27,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:27,030 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:37:27,030 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:37:27,031 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:37:27,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:37:27,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:37:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:37:27,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:37:27,035 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2018-07-23 13:37:27,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:27,035 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:37:27,035 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:37:27,035 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:37:27,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:37:27,036 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:27,036 INFO L357 BasicCegarLoop]: trace histogram [17, 1, 1, 1] [2018-07-23 13:37:27,036 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:27,037 INFO L82 PathProgramCache]: Analyzing trace with hash -313538196, now seen corresponding path program 17 times [2018-07-23 13:37:27,037 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,099 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:27,099 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:37:27,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:27,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,100 INFO L185 omatonBuilderFactory]: Interpolants [1152#(<= ULTIMATE.start_main_~y~4 1), 1153#(<= ULTIMATE.start_main_~y~4 2), 1154#(<= ULTIMATE.start_main_~y~4 3), 1155#(<= ULTIMATE.start_main_~y~4 4), 1156#(<= ULTIMATE.start_main_~y~4 5), 1157#(<= ULTIMATE.start_main_~y~4 6), 1158#(<= ULTIMATE.start_main_~y~4 7), 1159#(<= ULTIMATE.start_main_~y~4 8), 1160#(<= ULTIMATE.start_main_~y~4 9), 1161#(<= ULTIMATE.start_main_~y~4 10), 1162#(<= ULTIMATE.start_main_~y~4 11), 1163#(<= ULTIMATE.start_main_~y~4 12), 1164#(<= ULTIMATE.start_main_~y~4 13), 1165#(<= ULTIMATE.start_main_~y~4 14), 1166#(<= ULTIMATE.start_main_~y~4 15), 1167#(<= ULTIMATE.start_main_~y~4 16), 1168#(<= ULTIMATE.start_main_~y~4 17), 1149#true, 1150#false, 1151#(<= ULTIMATE.start_main_~y~4 0)] [2018-07-23 13:37:27,100 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,101 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:37:27,101 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:37:27,101 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:37:27,102 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 20 states. [2018-07-23 13:37:27,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:27,117 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-07-23 13:37:27,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:37:27,118 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 20 [2018-07-23 13:37:27,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:27,119 INFO L225 Difference]: With dead ends: 24 [2018-07-23 13:37:27,119 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 13:37:27,120 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:37:27,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 13:37:27,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-07-23 13:37:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-07-23 13:37:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-07-23 13:37:27,125 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2018-07-23 13:37:27,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:27,125 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-07-23 13:37:27,125 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:37:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-07-23 13:37:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-07-23 13:37:27,126 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:27,126 INFO L357 BasicCegarLoop]: trace histogram [18, 1, 1, 1] [2018-07-23 13:37:27,127 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:27,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1129747677, now seen corresponding path program 18 times [2018-07-23 13:37:27,127 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,206 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:27,206 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:37:27,206 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,207 INFO L185 omatonBuilderFactory]: Interpolants [1280#(<= ULTIMATE.start_main_~y~4 17), 1281#(<= ULTIMATE.start_main_~y~4 18), 1261#true, 1262#false, 1263#(<= ULTIMATE.start_main_~y~4 0), 1264#(<= ULTIMATE.start_main_~y~4 1), 1265#(<= ULTIMATE.start_main_~y~4 2), 1266#(<= ULTIMATE.start_main_~y~4 3), 1267#(<= ULTIMATE.start_main_~y~4 4), 1268#(<= ULTIMATE.start_main_~y~4 5), 1269#(<= ULTIMATE.start_main_~y~4 6), 1270#(<= ULTIMATE.start_main_~y~4 7), 1271#(<= ULTIMATE.start_main_~y~4 8), 1272#(<= ULTIMATE.start_main_~y~4 9), 1273#(<= ULTIMATE.start_main_~y~4 10), 1274#(<= ULTIMATE.start_main_~y~4 11), 1275#(<= ULTIMATE.start_main_~y~4 12), 1276#(<= ULTIMATE.start_main_~y~4 13), 1277#(<= ULTIMATE.start_main_~y~4 14), 1278#(<= ULTIMATE.start_main_~y~4 15), 1279#(<= ULTIMATE.start_main_~y~4 16)] [2018-07-23 13:37:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,208 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:37:27,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:37:27,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:37:27,209 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 21 states. [2018-07-23 13:37:27,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:27,223 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:37:27,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:37:27,224 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 21 [2018-07-23 13:37:27,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:27,224 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:37:27,225 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:37:27,228 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:37:27,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:37:27,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:37:27,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:37:27,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:37:27,236 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2018-07-23 13:37:27,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:27,237 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:37:27,237 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:37:27,237 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:37:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:37:27,238 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:27,238 INFO L357 BasicCegarLoop]: trace histogram [19, 1, 1, 1] [2018-07-23 13:37:27,239 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:27,239 INFO L82 PathProgramCache]: Analyzing trace with hash -662437812, now seen corresponding path program 19 times [2018-07-23 13:37:27,239 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,312 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:27,313 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:37:27,313 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,314 INFO L185 omatonBuilderFactory]: Interpolants [1378#true, 1379#false, 1380#(<= ULTIMATE.start_main_~y~4 0), 1381#(<= ULTIMATE.start_main_~y~4 1), 1382#(<= ULTIMATE.start_main_~y~4 2), 1383#(<= ULTIMATE.start_main_~y~4 3), 1384#(<= ULTIMATE.start_main_~y~4 4), 1385#(<= ULTIMATE.start_main_~y~4 5), 1386#(<= ULTIMATE.start_main_~y~4 6), 1387#(<= ULTIMATE.start_main_~y~4 7), 1388#(<= ULTIMATE.start_main_~y~4 8), 1389#(<= ULTIMATE.start_main_~y~4 9), 1390#(<= ULTIMATE.start_main_~y~4 10), 1391#(<= ULTIMATE.start_main_~y~4 11), 1392#(<= ULTIMATE.start_main_~y~4 12), 1393#(<= ULTIMATE.start_main_~y~4 13), 1394#(<= ULTIMATE.start_main_~y~4 14), 1395#(<= ULTIMATE.start_main_~y~4 15), 1396#(<= ULTIMATE.start_main_~y~4 16), 1397#(<= ULTIMATE.start_main_~y~4 17), 1398#(<= ULTIMATE.start_main_~y~4 18), 1399#(<= ULTIMATE.start_main_~y~4 19)] [2018-07-23 13:37:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,315 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:37:27,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:37:27,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:37:27,316 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 22 states. [2018-07-23 13:37:27,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:27,332 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-07-23 13:37:27,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:37:27,333 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 22 [2018-07-23 13:37:27,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:27,334 INFO L225 Difference]: With dead ends: 26 [2018-07-23 13:37:27,334 INFO L226 Difference]: Without dead ends: 24 [2018-07-23 13:37:27,335 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:37:27,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-07-23 13:37:27,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-07-23 13:37:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-07-23 13:37:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-07-23 13:37:27,339 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2018-07-23 13:37:27,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:27,339 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-07-23 13:37:27,339 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:37:27,340 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-07-23 13:37:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-23 13:37:27,340 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:27,341 INFO L357 BasicCegarLoop]: trace histogram [20, 1, 1, 1] [2018-07-23 13:37:27,341 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:27,341 INFO L82 PathProgramCache]: Analyzing trace with hash 939266115, now seen corresponding path program 20 times [2018-07-23 13:37:27,341 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,414 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:27,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:37:27,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,416 INFO L185 omatonBuilderFactory]: Interpolants [1504#(<= ULTIMATE.start_main_~y~4 2), 1505#(<= ULTIMATE.start_main_~y~4 3), 1506#(<= ULTIMATE.start_main_~y~4 4), 1507#(<= ULTIMATE.start_main_~y~4 5), 1508#(<= ULTIMATE.start_main_~y~4 6), 1509#(<= ULTIMATE.start_main_~y~4 7), 1510#(<= ULTIMATE.start_main_~y~4 8), 1511#(<= ULTIMATE.start_main_~y~4 9), 1512#(<= ULTIMATE.start_main_~y~4 10), 1513#(<= ULTIMATE.start_main_~y~4 11), 1514#(<= ULTIMATE.start_main_~y~4 12), 1515#(<= ULTIMATE.start_main_~y~4 13), 1516#(<= ULTIMATE.start_main_~y~4 14), 1517#(<= ULTIMATE.start_main_~y~4 15), 1518#(<= ULTIMATE.start_main_~y~4 16), 1519#(<= ULTIMATE.start_main_~y~4 17), 1520#(<= ULTIMATE.start_main_~y~4 18), 1521#(<= ULTIMATE.start_main_~y~4 19), 1522#(<= ULTIMATE.start_main_~y~4 20), 1500#true, 1501#false, 1502#(<= ULTIMATE.start_main_~y~4 0), 1503#(<= ULTIMATE.start_main_~y~4 1)] [2018-07-23 13:37:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,416 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:37:27,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:37:27,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:37:27,417 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 23 states. [2018-07-23 13:37:27,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:27,432 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:37:27,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:37:27,433 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 23 [2018-07-23 13:37:27,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:27,433 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:37:27,433 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:37:27,434 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:37:27,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:37:27,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:37:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:37:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:37:27,438 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-07-23 13:37:27,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:27,438 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:37:27,439 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:37:27,439 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:37:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:37:27,439 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:27,440 INFO L357 BasicCegarLoop]: trace histogram [21, 1, 1, 1] [2018-07-23 13:37:27,440 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:27,440 INFO L82 PathProgramCache]: Analyzing trace with hash -947519700, now seen corresponding path program 21 times [2018-07-23 13:37:27,440 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,539 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:27,540 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:37:27,540 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:27,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,541 INFO L185 omatonBuilderFactory]: Interpolants [1632#(<= ULTIMATE.start_main_~y~4 3), 1633#(<= ULTIMATE.start_main_~y~4 4), 1634#(<= ULTIMATE.start_main_~y~4 5), 1635#(<= ULTIMATE.start_main_~y~4 6), 1636#(<= ULTIMATE.start_main_~y~4 7), 1637#(<= ULTIMATE.start_main_~y~4 8), 1638#(<= ULTIMATE.start_main_~y~4 9), 1639#(<= ULTIMATE.start_main_~y~4 10), 1640#(<= ULTIMATE.start_main_~y~4 11), 1641#(<= ULTIMATE.start_main_~y~4 12), 1642#(<= ULTIMATE.start_main_~y~4 13), 1643#(<= ULTIMATE.start_main_~y~4 14), 1644#(<= ULTIMATE.start_main_~y~4 15), 1645#(<= ULTIMATE.start_main_~y~4 16), 1646#(<= ULTIMATE.start_main_~y~4 17), 1647#(<= ULTIMATE.start_main_~y~4 18), 1648#(<= ULTIMATE.start_main_~y~4 19), 1649#(<= ULTIMATE.start_main_~y~4 20), 1650#(<= ULTIMATE.start_main_~y~4 21), 1627#true, 1628#false, 1629#(<= ULTIMATE.start_main_~y~4 0), 1630#(<= ULTIMATE.start_main_~y~4 1), 1631#(<= ULTIMATE.start_main_~y~4 2)] [2018-07-23 13:37:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,542 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:37:27,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:37:27,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:37:27,543 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 24 states. [2018-07-23 13:37:27,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:27,565 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-07-23 13:37:27,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:37:27,565 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 24 [2018-07-23 13:37:27,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:27,566 INFO L225 Difference]: With dead ends: 28 [2018-07-23 13:37:27,566 INFO L226 Difference]: Without dead ends: 26 [2018-07-23 13:37:27,572 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:37:27,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-07-23 13:37:27,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-07-23 13:37:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-07-23 13:37:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-07-23 13:37:27,582 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2018-07-23 13:37:27,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:27,583 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-07-23 13:37:27,583 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:37:27,583 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-07-23 13:37:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-07-23 13:37:27,584 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:27,584 INFO L357 BasicCegarLoop]: trace histogram [22, 1, 1, 1] [2018-07-23 13:37:27,584 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:27,584 INFO L82 PathProgramCache]: Analyzing trace with hash 691662179, now seen corresponding path program 22 times [2018-07-23 13:37:27,584 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,693 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:27,693 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:37:27,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,694 INFO L185 omatonBuilderFactory]: Interpolants [1759#true, 1760#false, 1761#(<= ULTIMATE.start_main_~y~4 0), 1762#(<= ULTIMATE.start_main_~y~4 1), 1763#(<= ULTIMATE.start_main_~y~4 2), 1764#(<= ULTIMATE.start_main_~y~4 3), 1765#(<= ULTIMATE.start_main_~y~4 4), 1766#(<= ULTIMATE.start_main_~y~4 5), 1767#(<= ULTIMATE.start_main_~y~4 6), 1768#(<= ULTIMATE.start_main_~y~4 7), 1769#(<= ULTIMATE.start_main_~y~4 8), 1770#(<= ULTIMATE.start_main_~y~4 9), 1771#(<= ULTIMATE.start_main_~y~4 10), 1772#(<= ULTIMATE.start_main_~y~4 11), 1773#(<= ULTIMATE.start_main_~y~4 12), 1774#(<= ULTIMATE.start_main_~y~4 13), 1775#(<= ULTIMATE.start_main_~y~4 14), 1776#(<= ULTIMATE.start_main_~y~4 15), 1777#(<= ULTIMATE.start_main_~y~4 16), 1778#(<= ULTIMATE.start_main_~y~4 17), 1779#(<= ULTIMATE.start_main_~y~4 18), 1780#(<= ULTIMATE.start_main_~y~4 19), 1781#(<= ULTIMATE.start_main_~y~4 20), 1782#(<= ULTIMATE.start_main_~y~4 21), 1783#(<= ULTIMATE.start_main_~y~4 22)] [2018-07-23 13:37:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,695 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:37:27,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:37:27,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:37:27,697 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 25 states. [2018-07-23 13:37:27,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:27,728 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:37:27,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:37:27,729 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 25 [2018-07-23 13:37:27,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:27,729 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:37:27,729 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:37:27,730 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:37:27,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:37:27,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:37:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:37:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:37:27,737 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2018-07-23 13:37:27,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:27,738 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:37:27,738 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:37:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:37:27,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:37:27,742 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:27,742 INFO L357 BasicCegarLoop]: trace histogram [23, 1, 1, 1] [2018-07-23 13:37:27,742 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:27,742 INFO L82 PathProgramCache]: Analyzing trace with hash -33307124, now seen corresponding path program 23 times [2018-07-23 13:37:27,743 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,858 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:27,859 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:37:27,859 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,860 INFO L185 omatonBuilderFactory]: Interpolants [1920#(<= ULTIMATE.start_main_~y~4 22), 1921#(<= ULTIMATE.start_main_~y~4 23), 1896#true, 1897#false, 1898#(<= ULTIMATE.start_main_~y~4 0), 1899#(<= ULTIMATE.start_main_~y~4 1), 1900#(<= ULTIMATE.start_main_~y~4 2), 1901#(<= ULTIMATE.start_main_~y~4 3), 1902#(<= ULTIMATE.start_main_~y~4 4), 1903#(<= ULTIMATE.start_main_~y~4 5), 1904#(<= ULTIMATE.start_main_~y~4 6), 1905#(<= ULTIMATE.start_main_~y~4 7), 1906#(<= ULTIMATE.start_main_~y~4 8), 1907#(<= ULTIMATE.start_main_~y~4 9), 1908#(<= ULTIMATE.start_main_~y~4 10), 1909#(<= ULTIMATE.start_main_~y~4 11), 1910#(<= ULTIMATE.start_main_~y~4 12), 1911#(<= ULTIMATE.start_main_~y~4 13), 1912#(<= ULTIMATE.start_main_~y~4 14), 1913#(<= ULTIMATE.start_main_~y~4 15), 1914#(<= ULTIMATE.start_main_~y~4 16), 1915#(<= ULTIMATE.start_main_~y~4 17), 1916#(<= ULTIMATE.start_main_~y~4 18), 1917#(<= ULTIMATE.start_main_~y~4 19), 1918#(<= ULTIMATE.start_main_~y~4 20), 1919#(<= ULTIMATE.start_main_~y~4 21)] [2018-07-23 13:37:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:27,865 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:37:27,866 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:37:27,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:37:27,867 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 26 states. [2018-07-23 13:37:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:27,886 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-07-23 13:37:27,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:37:27,887 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 26 [2018-07-23 13:37:27,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:27,887 INFO L225 Difference]: With dead ends: 30 [2018-07-23 13:37:27,888 INFO L226 Difference]: Without dead ends: 28 [2018-07-23 13:37:27,890 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:37:27,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-07-23 13:37:27,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-07-23 13:37:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-07-23 13:37:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-07-23 13:37:27,896 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2018-07-23 13:37:27,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:27,897 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-07-23 13:37:27,897 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:37:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-07-23 13:37:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-07-23 13:37:27,899 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:27,899 INFO L357 BasicCegarLoop]: trace histogram [24, 1, 1, 1] [2018-07-23 13:37:27,899 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:27,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1032519037, now seen corresponding path program 24 times [2018-07-23 13:37:27,900 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,002 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:28,002 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:37:28,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,003 INFO L185 omatonBuilderFactory]: Interpolants [2048#(<= ULTIMATE.start_main_~y~4 8), 2049#(<= ULTIMATE.start_main_~y~4 9), 2050#(<= ULTIMATE.start_main_~y~4 10), 2051#(<= ULTIMATE.start_main_~y~4 11), 2052#(<= ULTIMATE.start_main_~y~4 12), 2053#(<= ULTIMATE.start_main_~y~4 13), 2054#(<= ULTIMATE.start_main_~y~4 14), 2055#(<= ULTIMATE.start_main_~y~4 15), 2056#(<= ULTIMATE.start_main_~y~4 16), 2057#(<= ULTIMATE.start_main_~y~4 17), 2058#(<= ULTIMATE.start_main_~y~4 18), 2059#(<= ULTIMATE.start_main_~y~4 19), 2060#(<= ULTIMATE.start_main_~y~4 20), 2061#(<= ULTIMATE.start_main_~y~4 21), 2062#(<= ULTIMATE.start_main_~y~4 22), 2063#(<= ULTIMATE.start_main_~y~4 23), 2064#(<= ULTIMATE.start_main_~y~4 24), 2038#true, 2039#false, 2040#(<= ULTIMATE.start_main_~y~4 0), 2041#(<= ULTIMATE.start_main_~y~4 1), 2042#(<= ULTIMATE.start_main_~y~4 2), 2043#(<= ULTIMATE.start_main_~y~4 3), 2044#(<= ULTIMATE.start_main_~y~4 4), 2045#(<= ULTIMATE.start_main_~y~4 5), 2046#(<= ULTIMATE.start_main_~y~4 6), 2047#(<= ULTIMATE.start_main_~y~4 7)] [2018-07-23 13:37:28,003 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,004 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:37:28,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:37:28,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:37:28,005 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 27 states. [2018-07-23 13:37:28,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:28,025 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:37:28,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:37:28,026 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 27 [2018-07-23 13:37:28,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:28,026 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:37:28,026 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:37:28,027 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:37:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:37:28,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:37:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:37:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:37:28,033 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2018-07-23 13:37:28,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:28,034 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:37:28,034 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:37:28,034 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:37:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:37:28,035 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:28,035 INFO L357 BasicCegarLoop]: trace histogram [25, 1, 1, 1] [2018-07-23 13:37:28,035 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:28,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1943317268, now seen corresponding path program 25 times [2018-07-23 13:37:28,038 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:28,144 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,145 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:28,145 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:37:28,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,147 INFO L185 omatonBuilderFactory]: Interpolants [2185#true, 2186#false, 2187#(<= ULTIMATE.start_main_~y~4 0), 2188#(<= ULTIMATE.start_main_~y~4 1), 2189#(<= ULTIMATE.start_main_~y~4 2), 2190#(<= ULTIMATE.start_main_~y~4 3), 2191#(<= ULTIMATE.start_main_~y~4 4), 2192#(<= ULTIMATE.start_main_~y~4 5), 2193#(<= ULTIMATE.start_main_~y~4 6), 2194#(<= ULTIMATE.start_main_~y~4 7), 2195#(<= ULTIMATE.start_main_~y~4 8), 2196#(<= ULTIMATE.start_main_~y~4 9), 2197#(<= ULTIMATE.start_main_~y~4 10), 2198#(<= ULTIMATE.start_main_~y~4 11), 2199#(<= ULTIMATE.start_main_~y~4 12), 2200#(<= ULTIMATE.start_main_~y~4 13), 2201#(<= ULTIMATE.start_main_~y~4 14), 2202#(<= ULTIMATE.start_main_~y~4 15), 2203#(<= ULTIMATE.start_main_~y~4 16), 2204#(<= ULTIMATE.start_main_~y~4 17), 2205#(<= ULTIMATE.start_main_~y~4 18), 2206#(<= ULTIMATE.start_main_~y~4 19), 2207#(<= ULTIMATE.start_main_~y~4 20), 2208#(<= ULTIMATE.start_main_~y~4 21), 2209#(<= ULTIMATE.start_main_~y~4 22), 2210#(<= ULTIMATE.start_main_~y~4 23), 2211#(<= ULTIMATE.start_main_~y~4 24), 2212#(<= ULTIMATE.start_main_~y~4 25)] [2018-07-23 13:37:28,147 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,148 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:37:28,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:37:28,149 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:37:28,149 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 28 states. [2018-07-23 13:37:28,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:28,171 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-07-23 13:37:28,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:37:28,172 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 28 [2018-07-23 13:37:28,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:28,172 INFO L225 Difference]: With dead ends: 32 [2018-07-23 13:37:28,172 INFO L226 Difference]: Without dead ends: 30 [2018-07-23 13:37:28,173 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:37:28,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-07-23 13:37:28,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-07-23 13:37:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-07-23 13:37:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-07-23 13:37:28,177 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2018-07-23 13:37:28,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:28,177 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-07-23 13:37:28,177 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:37:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-07-23 13:37:28,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-07-23 13:37:28,178 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:28,178 INFO L357 BasicCegarLoop]: trace histogram [26, 1, 1, 1] [2018-07-23 13:37:28,178 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:28,178 INFO L82 PathProgramCache]: Analyzing trace with hash -113291357, now seen corresponding path program 26 times [2018-07-23 13:37:28,179 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,310 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:28,311 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:37:28,311 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,312 INFO L185 omatonBuilderFactory]: Interpolants [2337#true, 2338#false, 2339#(<= ULTIMATE.start_main_~y~4 0), 2340#(<= ULTIMATE.start_main_~y~4 1), 2341#(<= ULTIMATE.start_main_~y~4 2), 2342#(<= ULTIMATE.start_main_~y~4 3), 2343#(<= ULTIMATE.start_main_~y~4 4), 2344#(<= ULTIMATE.start_main_~y~4 5), 2345#(<= ULTIMATE.start_main_~y~4 6), 2346#(<= ULTIMATE.start_main_~y~4 7), 2347#(<= ULTIMATE.start_main_~y~4 8), 2348#(<= ULTIMATE.start_main_~y~4 9), 2349#(<= ULTIMATE.start_main_~y~4 10), 2350#(<= ULTIMATE.start_main_~y~4 11), 2351#(<= ULTIMATE.start_main_~y~4 12), 2352#(<= ULTIMATE.start_main_~y~4 13), 2353#(<= ULTIMATE.start_main_~y~4 14), 2354#(<= ULTIMATE.start_main_~y~4 15), 2355#(<= ULTIMATE.start_main_~y~4 16), 2356#(<= ULTIMATE.start_main_~y~4 17), 2357#(<= ULTIMATE.start_main_~y~4 18), 2358#(<= ULTIMATE.start_main_~y~4 19), 2359#(<= ULTIMATE.start_main_~y~4 20), 2360#(<= ULTIMATE.start_main_~y~4 21), 2361#(<= ULTIMATE.start_main_~y~4 22), 2362#(<= ULTIMATE.start_main_~y~4 23), 2363#(<= ULTIMATE.start_main_~y~4 24), 2364#(<= ULTIMATE.start_main_~y~4 25), 2365#(<= ULTIMATE.start_main_~y~4 26)] [2018-07-23 13:37:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,312 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:37:28,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:37:28,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:37:28,314 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 29 states. [2018-07-23 13:37:28,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:28,341 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:37:28,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:37:28,342 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 29 [2018-07-23 13:37:28,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:28,342 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:37:28,342 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:37:28,343 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:37:28,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:37:28,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:37:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:37:28,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:37:28,348 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2018-07-23 13:37:28,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:28,348 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:37:28,348 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:37:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:37:28,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:37:28,349 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:28,349 INFO L357 BasicCegarLoop]: trace histogram [27, 1, 1, 1] [2018-07-23 13:37:28,349 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:28,350 INFO L82 PathProgramCache]: Analyzing trace with hash 782937036, now seen corresponding path program 27 times [2018-07-23 13:37:28,350 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,470 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:28,470 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:37:28,471 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:28,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,471 INFO L185 omatonBuilderFactory]: Interpolants [2496#(<= ULTIMATE.start_main_~y~4 0), 2497#(<= ULTIMATE.start_main_~y~4 1), 2498#(<= ULTIMATE.start_main_~y~4 2), 2499#(<= ULTIMATE.start_main_~y~4 3), 2500#(<= ULTIMATE.start_main_~y~4 4), 2501#(<= ULTIMATE.start_main_~y~4 5), 2502#(<= ULTIMATE.start_main_~y~4 6), 2503#(<= ULTIMATE.start_main_~y~4 7), 2504#(<= ULTIMATE.start_main_~y~4 8), 2505#(<= ULTIMATE.start_main_~y~4 9), 2506#(<= ULTIMATE.start_main_~y~4 10), 2507#(<= ULTIMATE.start_main_~y~4 11), 2508#(<= ULTIMATE.start_main_~y~4 12), 2509#(<= ULTIMATE.start_main_~y~4 13), 2510#(<= ULTIMATE.start_main_~y~4 14), 2511#(<= ULTIMATE.start_main_~y~4 15), 2512#(<= ULTIMATE.start_main_~y~4 16), 2513#(<= ULTIMATE.start_main_~y~4 17), 2514#(<= ULTIMATE.start_main_~y~4 18), 2515#(<= ULTIMATE.start_main_~y~4 19), 2516#(<= ULTIMATE.start_main_~y~4 20), 2517#(<= ULTIMATE.start_main_~y~4 21), 2518#(<= ULTIMATE.start_main_~y~4 22), 2519#(<= ULTIMATE.start_main_~y~4 23), 2520#(<= ULTIMATE.start_main_~y~4 24), 2521#(<= ULTIMATE.start_main_~y~4 25), 2522#(<= ULTIMATE.start_main_~y~4 26), 2523#(<= ULTIMATE.start_main_~y~4 27), 2494#true, 2495#false] [2018-07-23 13:37:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,472 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:37:28,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:37:28,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:37:28,476 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 30 states. [2018-07-23 13:37:28,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:28,503 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-07-23 13:37:28,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:37:28,503 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 30 [2018-07-23 13:37:28,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:28,504 INFO L225 Difference]: With dead ends: 34 [2018-07-23 13:37:28,504 INFO L226 Difference]: Without dead ends: 32 [2018-07-23 13:37:28,505 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:37:28,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-07-23 13:37:28,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-07-23 13:37:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-23 13:37:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-07-23 13:37:28,513 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2018-07-23 13:37:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:28,513 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-07-23 13:37:28,513 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:37:28,517 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-07-23 13:37:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-23 13:37:28,517 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:28,518 INFO L357 BasicCegarLoop]: trace histogram [28, 1, 1, 1] [2018-07-23 13:37:28,518 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:28,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1498753853, now seen corresponding path program 28 times [2018-07-23 13:37:28,518 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,644 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:28,645 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:37:28,645 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,646 INFO L185 omatonBuilderFactory]: Interpolants [2656#true, 2657#false, 2658#(<= ULTIMATE.start_main_~y~4 0), 2659#(<= ULTIMATE.start_main_~y~4 1), 2660#(<= ULTIMATE.start_main_~y~4 2), 2661#(<= ULTIMATE.start_main_~y~4 3), 2662#(<= ULTIMATE.start_main_~y~4 4), 2663#(<= ULTIMATE.start_main_~y~4 5), 2664#(<= ULTIMATE.start_main_~y~4 6), 2665#(<= ULTIMATE.start_main_~y~4 7), 2666#(<= ULTIMATE.start_main_~y~4 8), 2667#(<= ULTIMATE.start_main_~y~4 9), 2668#(<= ULTIMATE.start_main_~y~4 10), 2669#(<= ULTIMATE.start_main_~y~4 11), 2670#(<= ULTIMATE.start_main_~y~4 12), 2671#(<= ULTIMATE.start_main_~y~4 13), 2672#(<= ULTIMATE.start_main_~y~4 14), 2673#(<= ULTIMATE.start_main_~y~4 15), 2674#(<= ULTIMATE.start_main_~y~4 16), 2675#(<= ULTIMATE.start_main_~y~4 17), 2676#(<= ULTIMATE.start_main_~y~4 18), 2677#(<= ULTIMATE.start_main_~y~4 19), 2678#(<= ULTIMATE.start_main_~y~4 20), 2679#(<= ULTIMATE.start_main_~y~4 21), 2680#(<= ULTIMATE.start_main_~y~4 22), 2681#(<= ULTIMATE.start_main_~y~4 23), 2682#(<= ULTIMATE.start_main_~y~4 24), 2683#(<= ULTIMATE.start_main_~y~4 25), 2684#(<= ULTIMATE.start_main_~y~4 26), 2685#(<= ULTIMATE.start_main_~y~4 27), 2686#(<= ULTIMATE.start_main_~y~4 28)] [2018-07-23 13:37:28,646 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,646 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:37:28,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:37:28,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:37:28,648 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 31 states. [2018-07-23 13:37:28,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:28,673 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:37:28,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:37:28,674 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 31 [2018-07-23 13:37:28,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:28,674 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:37:28,675 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:37:28,676 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:37:28,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:37:28,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:37:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:37:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:37:28,682 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2018-07-23 13:37:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:28,683 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:37:28,683 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:37:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:37:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:37:28,683 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:28,684 INFO L357 BasicCegarLoop]: trace histogram [29, 1, 1, 1] [2018-07-23 13:37:28,684 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:28,684 INFO L82 PathProgramCache]: Analyzing trace with hash 783272620, now seen corresponding path program 29 times [2018-07-23 13:37:28,684 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,823 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:28,823 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:37:28,824 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,824 INFO L185 omatonBuilderFactory]: Interpolants [2823#true, 2824#false, 2825#(<= ULTIMATE.start_main_~y~4 0), 2826#(<= ULTIMATE.start_main_~y~4 1), 2827#(<= ULTIMATE.start_main_~y~4 2), 2828#(<= ULTIMATE.start_main_~y~4 3), 2829#(<= ULTIMATE.start_main_~y~4 4), 2830#(<= ULTIMATE.start_main_~y~4 5), 2831#(<= ULTIMATE.start_main_~y~4 6), 2832#(<= ULTIMATE.start_main_~y~4 7), 2833#(<= ULTIMATE.start_main_~y~4 8), 2834#(<= ULTIMATE.start_main_~y~4 9), 2835#(<= ULTIMATE.start_main_~y~4 10), 2836#(<= ULTIMATE.start_main_~y~4 11), 2837#(<= ULTIMATE.start_main_~y~4 12), 2838#(<= ULTIMATE.start_main_~y~4 13), 2839#(<= ULTIMATE.start_main_~y~4 14), 2840#(<= ULTIMATE.start_main_~y~4 15), 2841#(<= ULTIMATE.start_main_~y~4 16), 2842#(<= ULTIMATE.start_main_~y~4 17), 2843#(<= ULTIMATE.start_main_~y~4 18), 2844#(<= ULTIMATE.start_main_~y~4 19), 2845#(<= ULTIMATE.start_main_~y~4 20), 2846#(<= ULTIMATE.start_main_~y~4 21), 2847#(<= ULTIMATE.start_main_~y~4 22), 2848#(<= ULTIMATE.start_main_~y~4 23), 2849#(<= ULTIMATE.start_main_~y~4 24), 2850#(<= ULTIMATE.start_main_~y~4 25), 2851#(<= ULTIMATE.start_main_~y~4 26), 2852#(<= ULTIMATE.start_main_~y~4 27), 2853#(<= ULTIMATE.start_main_~y~4 28), 2854#(<= ULTIMATE.start_main_~y~4 29)] [2018-07-23 13:37:28,825 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:28,825 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:37:28,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:37:28,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:37:28,827 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 32 states. [2018-07-23 13:37:28,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:28,859 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-07-23 13:37:28,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:37:28,860 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 32 [2018-07-23 13:37:28,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:28,860 INFO L225 Difference]: With dead ends: 36 [2018-07-23 13:37:28,860 INFO L226 Difference]: Without dead ends: 34 [2018-07-23 13:37:28,861 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:37:28,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-07-23 13:37:28,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-07-23 13:37:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-07-23 13:37:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-07-23 13:37:28,868 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2018-07-23 13:37:28,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:28,869 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-07-23 13:37:28,869 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:37:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-07-23 13:37:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-07-23 13:37:28,869 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:28,870 INFO L357 BasicCegarLoop]: trace histogram [30, 1, 1, 1] [2018-07-23 13:37:28,870 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:28,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1488350749, now seen corresponding path program 30 times [2018-07-23 13:37:28,870 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,017 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,017 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:37:29,017 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,019 INFO L185 omatonBuilderFactory]: Interpolants [3008#(<= ULTIMATE.start_main_~y~4 11), 3009#(<= ULTIMATE.start_main_~y~4 12), 3010#(<= ULTIMATE.start_main_~y~4 13), 3011#(<= ULTIMATE.start_main_~y~4 14), 3012#(<= ULTIMATE.start_main_~y~4 15), 3013#(<= ULTIMATE.start_main_~y~4 16), 3014#(<= ULTIMATE.start_main_~y~4 17), 3015#(<= ULTIMATE.start_main_~y~4 18), 3016#(<= ULTIMATE.start_main_~y~4 19), 3017#(<= ULTIMATE.start_main_~y~4 20), 3018#(<= ULTIMATE.start_main_~y~4 21), 3019#(<= ULTIMATE.start_main_~y~4 22), 3020#(<= ULTIMATE.start_main_~y~4 23), 3021#(<= ULTIMATE.start_main_~y~4 24), 3022#(<= ULTIMATE.start_main_~y~4 25), 3023#(<= ULTIMATE.start_main_~y~4 26), 3024#(<= ULTIMATE.start_main_~y~4 27), 3025#(<= ULTIMATE.start_main_~y~4 28), 3026#(<= ULTIMATE.start_main_~y~4 29), 3027#(<= ULTIMATE.start_main_~y~4 30), 2995#true, 2996#false, 2997#(<= ULTIMATE.start_main_~y~4 0), 2998#(<= ULTIMATE.start_main_~y~4 1), 2999#(<= ULTIMATE.start_main_~y~4 2), 3000#(<= ULTIMATE.start_main_~y~4 3), 3001#(<= ULTIMATE.start_main_~y~4 4), 3002#(<= ULTIMATE.start_main_~y~4 5), 3003#(<= ULTIMATE.start_main_~y~4 6), 3004#(<= ULTIMATE.start_main_~y~4 7), 3005#(<= ULTIMATE.start_main_~y~4 8), 3006#(<= ULTIMATE.start_main_~y~4 9), 3007#(<= ULTIMATE.start_main_~y~4 10)] [2018-07-23 13:37:29,020 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,020 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:37:29,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:37:29,022 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:37:29,022 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 33 states. [2018-07-23 13:37:29,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,046 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:37:29,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:37:29,046 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 33 [2018-07-23 13:37:29,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,047 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:37:29,047 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:37:29,048 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:37:29,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:37:29,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:37:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:37:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:37:29,051 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2018-07-23 13:37:29,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,051 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:37:29,051 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:37:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:37:29,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:37:29,052 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,052 INFO L357 BasicCegarLoop]: trace histogram [31, 1, 1, 1] [2018-07-23 13:37:29,052 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1105768844, now seen corresponding path program 31 times [2018-07-23 13:37:29,052 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,201 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,201 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:37:29,201 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,202 INFO L185 omatonBuilderFactory]: Interpolants [3200#(<= ULTIMATE.start_main_~y~4 26), 3201#(<= ULTIMATE.start_main_~y~4 27), 3202#(<= ULTIMATE.start_main_~y~4 28), 3203#(<= ULTIMATE.start_main_~y~4 29), 3204#(<= ULTIMATE.start_main_~y~4 30), 3205#(<= ULTIMATE.start_main_~y~4 31), 3172#true, 3173#false, 3174#(<= ULTIMATE.start_main_~y~4 0), 3175#(<= ULTIMATE.start_main_~y~4 1), 3176#(<= ULTIMATE.start_main_~y~4 2), 3177#(<= ULTIMATE.start_main_~y~4 3), 3178#(<= ULTIMATE.start_main_~y~4 4), 3179#(<= ULTIMATE.start_main_~y~4 5), 3180#(<= ULTIMATE.start_main_~y~4 6), 3181#(<= ULTIMATE.start_main_~y~4 7), 3182#(<= ULTIMATE.start_main_~y~4 8), 3183#(<= ULTIMATE.start_main_~y~4 9), 3184#(<= ULTIMATE.start_main_~y~4 10), 3185#(<= ULTIMATE.start_main_~y~4 11), 3186#(<= ULTIMATE.start_main_~y~4 12), 3187#(<= ULTIMATE.start_main_~y~4 13), 3188#(<= ULTIMATE.start_main_~y~4 14), 3189#(<= ULTIMATE.start_main_~y~4 15), 3190#(<= ULTIMATE.start_main_~y~4 16), 3191#(<= ULTIMATE.start_main_~y~4 17), 3192#(<= ULTIMATE.start_main_~y~4 18), 3193#(<= ULTIMATE.start_main_~y~4 19), 3194#(<= ULTIMATE.start_main_~y~4 20), 3195#(<= ULTIMATE.start_main_~y~4 21), 3196#(<= ULTIMATE.start_main_~y~4 22), 3197#(<= ULTIMATE.start_main_~y~4 23), 3198#(<= ULTIMATE.start_main_~y~4 24), 3199#(<= ULTIMATE.start_main_~y~4 25)] [2018-07-23 13:37:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,203 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:37:29,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:37:29,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:37:29,231 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 34 states. [2018-07-23 13:37:29,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,294 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-07-23 13:37:29,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:37:29,294 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 34 [2018-07-23 13:37:29,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,295 INFO L225 Difference]: With dead ends: 38 [2018-07-23 13:37:29,295 INFO L226 Difference]: Without dead ends: 36 [2018-07-23 13:37:29,296 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:37:29,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-07-23 13:37:29,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-07-23 13:37:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-07-23 13:37:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-07-23 13:37:29,307 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2018-07-23 13:37:29,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,307 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-07-23 13:37:29,307 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:37:29,307 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-07-23 13:37:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-07-23 13:37:29,307 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,308 INFO L357 BasicCegarLoop]: trace histogram [32, 1, 1, 1] [2018-07-23 13:37:29,308 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,308 INFO L82 PathProgramCache]: Analyzing trace with hash -80902397, now seen corresponding path program 32 times [2018-07-23 13:37:29,308 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,457 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,457 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:37:29,457 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,458 INFO L185 omatonBuilderFactory]: Interpolants [3354#true, 3355#false, 3356#(<= ULTIMATE.start_main_~y~4 0), 3357#(<= ULTIMATE.start_main_~y~4 1), 3358#(<= ULTIMATE.start_main_~y~4 2), 3359#(<= ULTIMATE.start_main_~y~4 3), 3360#(<= ULTIMATE.start_main_~y~4 4), 3361#(<= ULTIMATE.start_main_~y~4 5), 3362#(<= ULTIMATE.start_main_~y~4 6), 3363#(<= ULTIMATE.start_main_~y~4 7), 3364#(<= ULTIMATE.start_main_~y~4 8), 3365#(<= ULTIMATE.start_main_~y~4 9), 3366#(<= ULTIMATE.start_main_~y~4 10), 3367#(<= ULTIMATE.start_main_~y~4 11), 3368#(<= ULTIMATE.start_main_~y~4 12), 3369#(<= ULTIMATE.start_main_~y~4 13), 3370#(<= ULTIMATE.start_main_~y~4 14), 3371#(<= ULTIMATE.start_main_~y~4 15), 3372#(<= ULTIMATE.start_main_~y~4 16), 3373#(<= ULTIMATE.start_main_~y~4 17), 3374#(<= ULTIMATE.start_main_~y~4 18), 3375#(<= ULTIMATE.start_main_~y~4 19), 3376#(<= ULTIMATE.start_main_~y~4 20), 3377#(<= ULTIMATE.start_main_~y~4 21), 3378#(<= ULTIMATE.start_main_~y~4 22), 3379#(<= ULTIMATE.start_main_~y~4 23), 3380#(<= ULTIMATE.start_main_~y~4 24), 3381#(<= ULTIMATE.start_main_~y~4 25), 3382#(<= ULTIMATE.start_main_~y~4 26), 3383#(<= ULTIMATE.start_main_~y~4 27), 3384#(<= ULTIMATE.start_main_~y~4 28), 3385#(<= ULTIMATE.start_main_~y~4 29), 3386#(<= ULTIMATE.start_main_~y~4 30), 3387#(<= ULTIMATE.start_main_~y~4 31), 3388#(<= ULTIMATE.start_main_~y~4 32)] [2018-07-23 13:37:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,462 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:37:29,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:37:29,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:37:29,463 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 35 states. [2018-07-23 13:37:29,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,502 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:37:29,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:37:29,502 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 35 [2018-07-23 13:37:29,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,503 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:37:29,503 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:37:29,504 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:37:29,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:37:29,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:37:29,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:37:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:37:29,508 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2018-07-23 13:37:29,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,508 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:37:29,509 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:37:29,509 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:37:29,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:37:29,509 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,509 INFO L357 BasicCegarLoop]: trace histogram [33, 1, 1, 1] [2018-07-23 13:37:29,509 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1786994796, now seen corresponding path program 33 times [2018-07-23 13:37:29,510 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,647 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,647 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:37:29,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,648 INFO L185 omatonBuilderFactory]: Interpolants [3541#true, 3542#false, 3543#(<= ULTIMATE.start_main_~y~4 0), 3544#(<= ULTIMATE.start_main_~y~4 1), 3545#(<= ULTIMATE.start_main_~y~4 2), 3546#(<= ULTIMATE.start_main_~y~4 3), 3547#(<= ULTIMATE.start_main_~y~4 4), 3548#(<= ULTIMATE.start_main_~y~4 5), 3549#(<= ULTIMATE.start_main_~y~4 6), 3550#(<= ULTIMATE.start_main_~y~4 7), 3551#(<= ULTIMATE.start_main_~y~4 8), 3552#(<= ULTIMATE.start_main_~y~4 9), 3553#(<= ULTIMATE.start_main_~y~4 10), 3554#(<= ULTIMATE.start_main_~y~4 11), 3555#(<= ULTIMATE.start_main_~y~4 12), 3556#(<= ULTIMATE.start_main_~y~4 13), 3557#(<= ULTIMATE.start_main_~y~4 14), 3558#(<= ULTIMATE.start_main_~y~4 15), 3559#(<= ULTIMATE.start_main_~y~4 16), 3560#(<= ULTIMATE.start_main_~y~4 17), 3561#(<= ULTIMATE.start_main_~y~4 18), 3562#(<= ULTIMATE.start_main_~y~4 19), 3563#(<= ULTIMATE.start_main_~y~4 20), 3564#(<= ULTIMATE.start_main_~y~4 21), 3565#(<= ULTIMATE.start_main_~y~4 22), 3566#(<= ULTIMATE.start_main_~y~4 23), 3567#(<= ULTIMATE.start_main_~y~4 24), 3568#(<= ULTIMATE.start_main_~y~4 25), 3569#(<= ULTIMATE.start_main_~y~4 26), 3570#(<= ULTIMATE.start_main_~y~4 27), 3571#(<= ULTIMATE.start_main_~y~4 28), 3572#(<= ULTIMATE.start_main_~y~4 29), 3573#(<= ULTIMATE.start_main_~y~4 30), 3574#(<= ULTIMATE.start_main_~y~4 31), 3575#(<= ULTIMATE.start_main_~y~4 32), 3576#(<= ULTIMATE.start_main_~y~4 33)] [2018-07-23 13:37:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,649 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:37:29,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:37:29,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:37:29,650 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 36 states. [2018-07-23 13:37:29,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,686 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-07-23 13:37:29,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:37:29,686 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 36 [2018-07-23 13:37:29,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,687 INFO L225 Difference]: With dead ends: 40 [2018-07-23 13:37:29,687 INFO L226 Difference]: Without dead ends: 38 [2018-07-23 13:37:29,688 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:37:29,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-07-23 13:37:29,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-07-23 13:37:29,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-07-23 13:37:29,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-07-23 13:37:29,690 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2018-07-23 13:37:29,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,690 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-07-23 13:37:29,691 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:37:29,691 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-07-23 13:37:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-07-23 13:37:29,691 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,691 INFO L357 BasicCegarLoop]: trace histogram [34, 1, 1, 1] [2018-07-23 13:37:29,691 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,691 INFO L82 PathProgramCache]: Analyzing trace with hash -437734365, now seen corresponding path program 34 times [2018-07-23 13:37:29,692 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,843 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,843 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:37:29,843 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,844 INFO L185 omatonBuilderFactory]: Interpolants [3733#true, 3734#false, 3735#(<= ULTIMATE.start_main_~y~4 0), 3736#(<= ULTIMATE.start_main_~y~4 1), 3737#(<= ULTIMATE.start_main_~y~4 2), 3738#(<= ULTIMATE.start_main_~y~4 3), 3739#(<= ULTIMATE.start_main_~y~4 4), 3740#(<= ULTIMATE.start_main_~y~4 5), 3741#(<= ULTIMATE.start_main_~y~4 6), 3742#(<= ULTIMATE.start_main_~y~4 7), 3743#(<= ULTIMATE.start_main_~y~4 8), 3744#(<= ULTIMATE.start_main_~y~4 9), 3745#(<= ULTIMATE.start_main_~y~4 10), 3746#(<= ULTIMATE.start_main_~y~4 11), 3747#(<= ULTIMATE.start_main_~y~4 12), 3748#(<= ULTIMATE.start_main_~y~4 13), 3749#(<= ULTIMATE.start_main_~y~4 14), 3750#(<= ULTIMATE.start_main_~y~4 15), 3751#(<= ULTIMATE.start_main_~y~4 16), 3752#(<= ULTIMATE.start_main_~y~4 17), 3753#(<= ULTIMATE.start_main_~y~4 18), 3754#(<= ULTIMATE.start_main_~y~4 19), 3755#(<= ULTIMATE.start_main_~y~4 20), 3756#(<= ULTIMATE.start_main_~y~4 21), 3757#(<= ULTIMATE.start_main_~y~4 22), 3758#(<= ULTIMATE.start_main_~y~4 23), 3759#(<= ULTIMATE.start_main_~y~4 24), 3760#(<= ULTIMATE.start_main_~y~4 25), 3761#(<= ULTIMATE.start_main_~y~4 26), 3762#(<= ULTIMATE.start_main_~y~4 27), 3763#(<= ULTIMATE.start_main_~y~4 28), 3764#(<= ULTIMATE.start_main_~y~4 29), 3765#(<= ULTIMATE.start_main_~y~4 30), 3766#(<= ULTIMATE.start_main_~y~4 31), 3767#(<= ULTIMATE.start_main_~y~4 32), 3768#(<= ULTIMATE.start_main_~y~4 33), 3769#(<= ULTIMATE.start_main_~y~4 34)] [2018-07-23 13:37:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,845 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:37:29,845 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:37:29,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:37:29,846 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 37 states. [2018-07-23 13:37:29,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,868 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:37:29,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:37:29,868 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 37 [2018-07-23 13:37:29,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,869 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:37:29,869 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:37:29,870 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:37:29,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:37:29,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:37:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:37:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:37:29,878 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2018-07-23 13:37:29,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,879 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:37:29,879 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:37:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:37:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:37:29,879 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,879 INFO L357 BasicCegarLoop]: trace histogram [35, 1, 1, 1] [2018-07-23 13:37:29,880 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,880 INFO L82 PathProgramCache]: Analyzing trace with hash -684861620, now seen corresponding path program 35 times [2018-07-23 13:37:29,880 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,029 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,029 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:37:30,030 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,030 INFO L185 omatonBuilderFactory]: Interpolants [3930#true, 3931#false, 3932#(<= ULTIMATE.start_main_~y~4 0), 3933#(<= ULTIMATE.start_main_~y~4 1), 3934#(<= ULTIMATE.start_main_~y~4 2), 3935#(<= ULTIMATE.start_main_~y~4 3), 3936#(<= ULTIMATE.start_main_~y~4 4), 3937#(<= ULTIMATE.start_main_~y~4 5), 3938#(<= ULTIMATE.start_main_~y~4 6), 3939#(<= ULTIMATE.start_main_~y~4 7), 3940#(<= ULTIMATE.start_main_~y~4 8), 3941#(<= ULTIMATE.start_main_~y~4 9), 3942#(<= ULTIMATE.start_main_~y~4 10), 3943#(<= ULTIMATE.start_main_~y~4 11), 3944#(<= ULTIMATE.start_main_~y~4 12), 3945#(<= ULTIMATE.start_main_~y~4 13), 3946#(<= ULTIMATE.start_main_~y~4 14), 3947#(<= ULTIMATE.start_main_~y~4 15), 3948#(<= ULTIMATE.start_main_~y~4 16), 3949#(<= ULTIMATE.start_main_~y~4 17), 3950#(<= ULTIMATE.start_main_~y~4 18), 3951#(<= ULTIMATE.start_main_~y~4 19), 3952#(<= ULTIMATE.start_main_~y~4 20), 3953#(<= ULTIMATE.start_main_~y~4 21), 3954#(<= ULTIMATE.start_main_~y~4 22), 3955#(<= ULTIMATE.start_main_~y~4 23), 3956#(<= ULTIMATE.start_main_~y~4 24), 3957#(<= ULTIMATE.start_main_~y~4 25), 3958#(<= ULTIMATE.start_main_~y~4 26), 3959#(<= ULTIMATE.start_main_~y~4 27), 3960#(<= ULTIMATE.start_main_~y~4 28), 3961#(<= ULTIMATE.start_main_~y~4 29), 3962#(<= ULTIMATE.start_main_~y~4 30), 3963#(<= ULTIMATE.start_main_~y~4 31), 3964#(<= ULTIMATE.start_main_~y~4 32), 3965#(<= ULTIMATE.start_main_~y~4 33), 3966#(<= ULTIMATE.start_main_~y~4 34), 3967#(<= ULTIMATE.start_main_~y~4 35)] [2018-07-23 13:37:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,033 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:37:30,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:37:30,034 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:37:30,034 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 38 states. [2018-07-23 13:37:30,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,055 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-07-23 13:37:30,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:37:30,055 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 38 [2018-07-23 13:37:30,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,056 INFO L225 Difference]: With dead ends: 42 [2018-07-23 13:37:30,056 INFO L226 Difference]: Without dead ends: 40 [2018-07-23 13:37:30,057 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:37:30,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-07-23 13:37:30,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-07-23 13:37:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-07-23 13:37:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-07-23 13:37:30,059 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2018-07-23 13:37:30,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,059 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-07-23 13:37:30,060 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:37:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-07-23 13:37:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-07-23 13:37:30,060 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,060 INFO L357 BasicCegarLoop]: trace histogram [36, 1, 1, 1] [2018-07-23 13:37:30,060 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,061 INFO L82 PathProgramCache]: Analyzing trace with hash 244128067, now seen corresponding path program 36 times [2018-07-23 13:37:30,061 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,203 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,203 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:37:30,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,204 INFO L185 omatonBuilderFactory]: Interpolants [4160#(<= ULTIMATE.start_main_~y~4 26), 4161#(<= ULTIMATE.start_main_~y~4 27), 4162#(<= ULTIMATE.start_main_~y~4 28), 4163#(<= ULTIMATE.start_main_~y~4 29), 4164#(<= ULTIMATE.start_main_~y~4 30), 4165#(<= ULTIMATE.start_main_~y~4 31), 4166#(<= ULTIMATE.start_main_~y~4 32), 4167#(<= ULTIMATE.start_main_~y~4 33), 4168#(<= ULTIMATE.start_main_~y~4 34), 4169#(<= ULTIMATE.start_main_~y~4 35), 4170#(<= ULTIMATE.start_main_~y~4 36), 4132#true, 4133#false, 4134#(<= ULTIMATE.start_main_~y~4 0), 4135#(<= ULTIMATE.start_main_~y~4 1), 4136#(<= ULTIMATE.start_main_~y~4 2), 4137#(<= ULTIMATE.start_main_~y~4 3), 4138#(<= ULTIMATE.start_main_~y~4 4), 4139#(<= ULTIMATE.start_main_~y~4 5), 4140#(<= ULTIMATE.start_main_~y~4 6), 4141#(<= ULTIMATE.start_main_~y~4 7), 4142#(<= ULTIMATE.start_main_~y~4 8), 4143#(<= ULTIMATE.start_main_~y~4 9), 4144#(<= ULTIMATE.start_main_~y~4 10), 4145#(<= ULTIMATE.start_main_~y~4 11), 4146#(<= ULTIMATE.start_main_~y~4 12), 4147#(<= ULTIMATE.start_main_~y~4 13), 4148#(<= ULTIMATE.start_main_~y~4 14), 4149#(<= ULTIMATE.start_main_~y~4 15), 4150#(<= ULTIMATE.start_main_~y~4 16), 4151#(<= ULTIMATE.start_main_~y~4 17), 4152#(<= ULTIMATE.start_main_~y~4 18), 4153#(<= ULTIMATE.start_main_~y~4 19), 4154#(<= ULTIMATE.start_main_~y~4 20), 4155#(<= ULTIMATE.start_main_~y~4 21), 4156#(<= ULTIMATE.start_main_~y~4 22), 4157#(<= ULTIMATE.start_main_~y~4 23), 4158#(<= ULTIMATE.start_main_~y~4 24), 4159#(<= ULTIMATE.start_main_~y~4 25)] [2018-07-23 13:37:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,204 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:37:30,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:37:30,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:37:30,206 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 39 states. [2018-07-23 13:37:30,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,226 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:37:30,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:37:30,227 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 39 [2018-07-23 13:37:30,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,227 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:37:30,228 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:37:30,229 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:37:30,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:37:30,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:37:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:37:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:37:30,233 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2018-07-23 13:37:30,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,233 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:37:30,233 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:37:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:37:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:37:30,234 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,234 INFO L357 BasicCegarLoop]: trace histogram [37, 1, 1, 1] [2018-07-23 13:37:30,234 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1021962708, now seen corresponding path program 37 times [2018-07-23 13:37:30,234 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,390 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,390 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:37:30,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,390 INFO L185 omatonBuilderFactory]: Interpolants [4352#(<= ULTIMATE.start_main_~y~4 11), 4353#(<= ULTIMATE.start_main_~y~4 12), 4354#(<= ULTIMATE.start_main_~y~4 13), 4355#(<= ULTIMATE.start_main_~y~4 14), 4356#(<= ULTIMATE.start_main_~y~4 15), 4357#(<= ULTIMATE.start_main_~y~4 16), 4358#(<= ULTIMATE.start_main_~y~4 17), 4359#(<= ULTIMATE.start_main_~y~4 18), 4360#(<= ULTIMATE.start_main_~y~4 19), 4361#(<= ULTIMATE.start_main_~y~4 20), 4362#(<= ULTIMATE.start_main_~y~4 21), 4363#(<= ULTIMATE.start_main_~y~4 22), 4364#(<= ULTIMATE.start_main_~y~4 23), 4365#(<= ULTIMATE.start_main_~y~4 24), 4366#(<= ULTIMATE.start_main_~y~4 25), 4367#(<= ULTIMATE.start_main_~y~4 26), 4368#(<= ULTIMATE.start_main_~y~4 27), 4369#(<= ULTIMATE.start_main_~y~4 28), 4370#(<= ULTIMATE.start_main_~y~4 29), 4371#(<= ULTIMATE.start_main_~y~4 30), 4372#(<= ULTIMATE.start_main_~y~4 31), 4373#(<= ULTIMATE.start_main_~y~4 32), 4374#(<= ULTIMATE.start_main_~y~4 33), 4375#(<= ULTIMATE.start_main_~y~4 34), 4376#(<= ULTIMATE.start_main_~y~4 35), 4377#(<= ULTIMATE.start_main_~y~4 36), 4378#(<= ULTIMATE.start_main_~y~4 37), 4339#true, 4340#false, 4341#(<= ULTIMATE.start_main_~y~4 0), 4342#(<= ULTIMATE.start_main_~y~4 1), 4343#(<= ULTIMATE.start_main_~y~4 2), 4344#(<= ULTIMATE.start_main_~y~4 3), 4345#(<= ULTIMATE.start_main_~y~4 4), 4346#(<= ULTIMATE.start_main_~y~4 5), 4347#(<= ULTIMATE.start_main_~y~4 6), 4348#(<= ULTIMATE.start_main_~y~4 7), 4349#(<= ULTIMATE.start_main_~y~4 8), 4350#(<= ULTIMATE.start_main_~y~4 9), 4351#(<= ULTIMATE.start_main_~y~4 10)] [2018-07-23 13:37:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,391 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:37:30,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:37:30,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:37:30,393 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 40 states. [2018-07-23 13:37:30,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,416 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-07-23 13:37:30,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:37:30,416 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 40 [2018-07-23 13:37:30,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,417 INFO L225 Difference]: With dead ends: 44 [2018-07-23 13:37:30,417 INFO L226 Difference]: Without dead ends: 42 [2018-07-23 13:37:30,418 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:37:30,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-07-23 13:37:30,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-07-23 13:37:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-07-23 13:37:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-07-23 13:37:30,422 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2018-07-23 13:37:30,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,422 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-07-23 13:37:30,422 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:37:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-07-23 13:37:30,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-07-23 13:37:30,424 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,424 INFO L357 BasicCegarLoop]: trace histogram [38, 1, 1, 1] [2018-07-23 13:37:30,424 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1616071069, now seen corresponding path program 38 times [2018-07-23 13:37:30,425 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,572 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:37:30,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,573 INFO L185 omatonBuilderFactory]: Interpolants [4551#true, 4552#false, 4553#(<= ULTIMATE.start_main_~y~4 0), 4554#(<= ULTIMATE.start_main_~y~4 1), 4555#(<= ULTIMATE.start_main_~y~4 2), 4556#(<= ULTIMATE.start_main_~y~4 3), 4557#(<= ULTIMATE.start_main_~y~4 4), 4558#(<= ULTIMATE.start_main_~y~4 5), 4559#(<= ULTIMATE.start_main_~y~4 6), 4560#(<= ULTIMATE.start_main_~y~4 7), 4561#(<= ULTIMATE.start_main_~y~4 8), 4562#(<= ULTIMATE.start_main_~y~4 9), 4563#(<= ULTIMATE.start_main_~y~4 10), 4564#(<= ULTIMATE.start_main_~y~4 11), 4565#(<= ULTIMATE.start_main_~y~4 12), 4566#(<= ULTIMATE.start_main_~y~4 13), 4567#(<= ULTIMATE.start_main_~y~4 14), 4568#(<= ULTIMATE.start_main_~y~4 15), 4569#(<= ULTIMATE.start_main_~y~4 16), 4570#(<= ULTIMATE.start_main_~y~4 17), 4571#(<= ULTIMATE.start_main_~y~4 18), 4572#(<= ULTIMATE.start_main_~y~4 19), 4573#(<= ULTIMATE.start_main_~y~4 20), 4574#(<= ULTIMATE.start_main_~y~4 21), 4575#(<= ULTIMATE.start_main_~y~4 22), 4576#(<= ULTIMATE.start_main_~y~4 23), 4577#(<= ULTIMATE.start_main_~y~4 24), 4578#(<= ULTIMATE.start_main_~y~4 25), 4579#(<= ULTIMATE.start_main_~y~4 26), 4580#(<= ULTIMATE.start_main_~y~4 27), 4581#(<= ULTIMATE.start_main_~y~4 28), 4582#(<= ULTIMATE.start_main_~y~4 29), 4583#(<= ULTIMATE.start_main_~y~4 30), 4584#(<= ULTIMATE.start_main_~y~4 31), 4585#(<= ULTIMATE.start_main_~y~4 32), 4586#(<= ULTIMATE.start_main_~y~4 33), 4587#(<= ULTIMATE.start_main_~y~4 34), 4588#(<= ULTIMATE.start_main_~y~4 35), 4589#(<= ULTIMATE.start_main_~y~4 36), 4590#(<= ULTIMATE.start_main_~y~4 37), 4591#(<= ULTIMATE.start_main_~y~4 38)] [2018-07-23 13:37:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,573 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:37:30,574 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:37:30,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:37:30,575 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 41 states. [2018-07-23 13:37:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,598 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:37:30,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:37:30,599 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 41 [2018-07-23 13:37:30,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,599 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:37:30,599 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:37:30,600 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:37:30,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:37:30,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:37:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:37:30,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:37:30,603 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2018-07-23 13:37:30,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,603 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:37:30,603 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:37:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:37:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:37:30,604 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,604 INFO L357 BasicCegarLoop]: trace histogram [39, 1, 1, 1] [2018-07-23 13:37:30,604 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1441406220, now seen corresponding path program 39 times [2018-07-23 13:37:30,604 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,762 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,763 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:37:30,763 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,763 INFO L185 omatonBuilderFactory]: Interpolants [4800#(<= ULTIMATE.start_main_~y~4 30), 4801#(<= ULTIMATE.start_main_~y~4 31), 4802#(<= ULTIMATE.start_main_~y~4 32), 4803#(<= ULTIMATE.start_main_~y~4 33), 4804#(<= ULTIMATE.start_main_~y~4 34), 4805#(<= ULTIMATE.start_main_~y~4 35), 4806#(<= ULTIMATE.start_main_~y~4 36), 4807#(<= ULTIMATE.start_main_~y~4 37), 4808#(<= ULTIMATE.start_main_~y~4 38), 4809#(<= ULTIMATE.start_main_~y~4 39), 4768#true, 4769#false, 4770#(<= ULTIMATE.start_main_~y~4 0), 4771#(<= ULTIMATE.start_main_~y~4 1), 4772#(<= ULTIMATE.start_main_~y~4 2), 4773#(<= ULTIMATE.start_main_~y~4 3), 4774#(<= ULTIMATE.start_main_~y~4 4), 4775#(<= ULTIMATE.start_main_~y~4 5), 4776#(<= ULTIMATE.start_main_~y~4 6), 4777#(<= ULTIMATE.start_main_~y~4 7), 4778#(<= ULTIMATE.start_main_~y~4 8), 4779#(<= ULTIMATE.start_main_~y~4 9), 4780#(<= ULTIMATE.start_main_~y~4 10), 4781#(<= ULTIMATE.start_main_~y~4 11), 4782#(<= ULTIMATE.start_main_~y~4 12), 4783#(<= ULTIMATE.start_main_~y~4 13), 4784#(<= ULTIMATE.start_main_~y~4 14), 4785#(<= ULTIMATE.start_main_~y~4 15), 4786#(<= ULTIMATE.start_main_~y~4 16), 4787#(<= ULTIMATE.start_main_~y~4 17), 4788#(<= ULTIMATE.start_main_~y~4 18), 4789#(<= ULTIMATE.start_main_~y~4 19), 4790#(<= ULTIMATE.start_main_~y~4 20), 4791#(<= ULTIMATE.start_main_~y~4 21), 4792#(<= ULTIMATE.start_main_~y~4 22), 4793#(<= ULTIMATE.start_main_~y~4 23), 4794#(<= ULTIMATE.start_main_~y~4 24), 4795#(<= ULTIMATE.start_main_~y~4 25), 4796#(<= ULTIMATE.start_main_~y~4 26), 4797#(<= ULTIMATE.start_main_~y~4 27), 4798#(<= ULTIMATE.start_main_~y~4 28), 4799#(<= ULTIMATE.start_main_~y~4 29)] [2018-07-23 13:37:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,764 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:37:30,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:37:30,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:37:30,765 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 42 states. [2018-07-23 13:37:30,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,783 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-07-23 13:37:30,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:37:30,784 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 42 [2018-07-23 13:37:30,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,784 INFO L225 Difference]: With dead ends: 46 [2018-07-23 13:37:30,784 INFO L226 Difference]: Without dead ends: 44 [2018-07-23 13:37:30,786 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:37:30,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-23 13:37:30,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-07-23 13:37:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-23 13:37:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-07-23 13:37:30,788 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2018-07-23 13:37:30,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,788 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-07-23 13:37:30,788 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:37:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-07-23 13:37:30,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-23 13:37:30,789 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,789 INFO L357 BasicCegarLoop]: trace histogram [40, 1, 1, 1] [2018-07-23 13:37:30,789 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1733921667, now seen corresponding path program 40 times [2018-07-23 13:37:30,790 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,942 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,942 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:37:30,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,942 INFO L185 omatonBuilderFactory]: Interpolants [4992#(<= ULTIMATE.start_main_~y~4 0), 4993#(<= ULTIMATE.start_main_~y~4 1), 4994#(<= ULTIMATE.start_main_~y~4 2), 4995#(<= ULTIMATE.start_main_~y~4 3), 4996#(<= ULTIMATE.start_main_~y~4 4), 4997#(<= ULTIMATE.start_main_~y~4 5), 4998#(<= ULTIMATE.start_main_~y~4 6), 4999#(<= ULTIMATE.start_main_~y~4 7), 5000#(<= ULTIMATE.start_main_~y~4 8), 5001#(<= ULTIMATE.start_main_~y~4 9), 5002#(<= ULTIMATE.start_main_~y~4 10), 5003#(<= ULTIMATE.start_main_~y~4 11), 5004#(<= ULTIMATE.start_main_~y~4 12), 5005#(<= ULTIMATE.start_main_~y~4 13), 5006#(<= ULTIMATE.start_main_~y~4 14), 5007#(<= ULTIMATE.start_main_~y~4 15), 5008#(<= ULTIMATE.start_main_~y~4 16), 5009#(<= ULTIMATE.start_main_~y~4 17), 5010#(<= ULTIMATE.start_main_~y~4 18), 5011#(<= ULTIMATE.start_main_~y~4 19), 5012#(<= ULTIMATE.start_main_~y~4 20), 5013#(<= ULTIMATE.start_main_~y~4 21), 5014#(<= ULTIMATE.start_main_~y~4 22), 5015#(<= ULTIMATE.start_main_~y~4 23), 5016#(<= ULTIMATE.start_main_~y~4 24), 5017#(<= ULTIMATE.start_main_~y~4 25), 5018#(<= ULTIMATE.start_main_~y~4 26), 5019#(<= ULTIMATE.start_main_~y~4 27), 5020#(<= ULTIMATE.start_main_~y~4 28), 5021#(<= ULTIMATE.start_main_~y~4 29), 5022#(<= ULTIMATE.start_main_~y~4 30), 5023#(<= ULTIMATE.start_main_~y~4 31), 5024#(<= ULTIMATE.start_main_~y~4 32), 5025#(<= ULTIMATE.start_main_~y~4 33), 5026#(<= ULTIMATE.start_main_~y~4 34), 5027#(<= ULTIMATE.start_main_~y~4 35), 5028#(<= ULTIMATE.start_main_~y~4 36), 5029#(<= ULTIMATE.start_main_~y~4 37), 5030#(<= ULTIMATE.start_main_~y~4 38), 5031#(<= ULTIMATE.start_main_~y~4 39), 5032#(<= ULTIMATE.start_main_~y~4 40), 4990#true, 4991#false] [2018-07-23 13:37:30,943 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,943 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:37:30,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:37:30,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:37:30,944 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 43 states. [2018-07-23 13:37:30,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,969 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:37:30,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:37:30,969 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 43 [2018-07-23 13:37:30,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,970 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:37:30,970 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:37:30,971 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:37:30,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:37:30,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:37:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:37:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:37:30,973 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2018-07-23 13:37:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,974 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:37:30,974 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:37:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:37:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:37:30,974 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,975 INFO L357 BasicCegarLoop]: trace histogram [41, 1, 1, 1] [2018-07-23 13:37:30,975 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,975 INFO L82 PathProgramCache]: Analyzing trace with hash -2083001364, now seen corresponding path program 41 times [2018-07-23 13:37:30,975 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,136 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,136 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:37:31,136 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,137 INFO L185 omatonBuilderFactory]: Interpolants [5248#(<= ULTIMATE.start_main_~y~4 29), 5249#(<= ULTIMATE.start_main_~y~4 30), 5250#(<= ULTIMATE.start_main_~y~4 31), 5251#(<= ULTIMATE.start_main_~y~4 32), 5252#(<= ULTIMATE.start_main_~y~4 33), 5253#(<= ULTIMATE.start_main_~y~4 34), 5254#(<= ULTIMATE.start_main_~y~4 35), 5255#(<= ULTIMATE.start_main_~y~4 36), 5256#(<= ULTIMATE.start_main_~y~4 37), 5257#(<= ULTIMATE.start_main_~y~4 38), 5258#(<= ULTIMATE.start_main_~y~4 39), 5259#(<= ULTIMATE.start_main_~y~4 40), 5260#(<= ULTIMATE.start_main_~y~4 41), 5217#true, 5218#false, 5219#(<= ULTIMATE.start_main_~y~4 0), 5220#(<= ULTIMATE.start_main_~y~4 1), 5221#(<= ULTIMATE.start_main_~y~4 2), 5222#(<= ULTIMATE.start_main_~y~4 3), 5223#(<= ULTIMATE.start_main_~y~4 4), 5224#(<= ULTIMATE.start_main_~y~4 5), 5225#(<= ULTIMATE.start_main_~y~4 6), 5226#(<= ULTIMATE.start_main_~y~4 7), 5227#(<= ULTIMATE.start_main_~y~4 8), 5228#(<= ULTIMATE.start_main_~y~4 9), 5229#(<= ULTIMATE.start_main_~y~4 10), 5230#(<= ULTIMATE.start_main_~y~4 11), 5231#(<= ULTIMATE.start_main_~y~4 12), 5232#(<= ULTIMATE.start_main_~y~4 13), 5233#(<= ULTIMATE.start_main_~y~4 14), 5234#(<= ULTIMATE.start_main_~y~4 15), 5235#(<= ULTIMATE.start_main_~y~4 16), 5236#(<= ULTIMATE.start_main_~y~4 17), 5237#(<= ULTIMATE.start_main_~y~4 18), 5238#(<= ULTIMATE.start_main_~y~4 19), 5239#(<= ULTIMATE.start_main_~y~4 20), 5240#(<= ULTIMATE.start_main_~y~4 21), 5241#(<= ULTIMATE.start_main_~y~4 22), 5242#(<= ULTIMATE.start_main_~y~4 23), 5243#(<= ULTIMATE.start_main_~y~4 24), 5244#(<= ULTIMATE.start_main_~y~4 25), 5245#(<= ULTIMATE.start_main_~y~4 26), 5246#(<= ULTIMATE.start_main_~y~4 27), 5247#(<= ULTIMATE.start_main_~y~4 28)] [2018-07-23 13:37:31,137 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,137 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:37:31,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:37:31,139 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:37:31,139 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 44 states. [2018-07-23 13:37:31,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,158 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-07-23 13:37:31,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:37:31,158 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 44 [2018-07-23 13:37:31,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,159 INFO L225 Difference]: With dead ends: 48 [2018-07-23 13:37:31,159 INFO L226 Difference]: Without dead ends: 46 [2018-07-23 13:37:31,160 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:37:31,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-07-23 13:37:31,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-07-23 13:37:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-07-23 13:37:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-07-23 13:37:31,162 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2018-07-23 13:37:31,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,163 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-07-23 13:37:31,163 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:37:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-07-23 13:37:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-07-23 13:37:31,163 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,163 INFO L357 BasicCegarLoop]: trace histogram [42, 1, 1, 1] [2018-07-23 13:37:31,164 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,164 INFO L82 PathProgramCache]: Analyzing trace with hash -148531037, now seen corresponding path program 42 times [2018-07-23 13:37:31,164 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,329 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,329 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:37:31,329 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,330 INFO L185 omatonBuilderFactory]: Interpolants [5449#true, 5450#false, 5451#(<= ULTIMATE.start_main_~y~4 0), 5452#(<= ULTIMATE.start_main_~y~4 1), 5453#(<= ULTIMATE.start_main_~y~4 2), 5454#(<= ULTIMATE.start_main_~y~4 3), 5455#(<= ULTIMATE.start_main_~y~4 4), 5456#(<= ULTIMATE.start_main_~y~4 5), 5457#(<= ULTIMATE.start_main_~y~4 6), 5458#(<= ULTIMATE.start_main_~y~4 7), 5459#(<= ULTIMATE.start_main_~y~4 8), 5460#(<= ULTIMATE.start_main_~y~4 9), 5461#(<= ULTIMATE.start_main_~y~4 10), 5462#(<= ULTIMATE.start_main_~y~4 11), 5463#(<= ULTIMATE.start_main_~y~4 12), 5464#(<= ULTIMATE.start_main_~y~4 13), 5465#(<= ULTIMATE.start_main_~y~4 14), 5466#(<= ULTIMATE.start_main_~y~4 15), 5467#(<= ULTIMATE.start_main_~y~4 16), 5468#(<= ULTIMATE.start_main_~y~4 17), 5469#(<= ULTIMATE.start_main_~y~4 18), 5470#(<= ULTIMATE.start_main_~y~4 19), 5471#(<= ULTIMATE.start_main_~y~4 20), 5472#(<= ULTIMATE.start_main_~y~4 21), 5473#(<= ULTIMATE.start_main_~y~4 22), 5474#(<= ULTIMATE.start_main_~y~4 23), 5475#(<= ULTIMATE.start_main_~y~4 24), 5476#(<= ULTIMATE.start_main_~y~4 25), 5477#(<= ULTIMATE.start_main_~y~4 26), 5478#(<= ULTIMATE.start_main_~y~4 27), 5479#(<= ULTIMATE.start_main_~y~4 28), 5480#(<= ULTIMATE.start_main_~y~4 29), 5481#(<= ULTIMATE.start_main_~y~4 30), 5482#(<= ULTIMATE.start_main_~y~4 31), 5483#(<= ULTIMATE.start_main_~y~4 32), 5484#(<= ULTIMATE.start_main_~y~4 33), 5485#(<= ULTIMATE.start_main_~y~4 34), 5486#(<= ULTIMATE.start_main_~y~4 35), 5487#(<= ULTIMATE.start_main_~y~4 36), 5488#(<= ULTIMATE.start_main_~y~4 37), 5489#(<= ULTIMATE.start_main_~y~4 38), 5490#(<= ULTIMATE.start_main_~y~4 39), 5491#(<= ULTIMATE.start_main_~y~4 40), 5492#(<= ULTIMATE.start_main_~y~4 41), 5493#(<= ULTIMATE.start_main_~y~4 42)] [2018-07-23 13:37:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,330 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:37:31,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:37:31,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:37:31,332 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 45 states. [2018-07-23 13:37:31,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,358 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:37:31,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:37:31,358 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 45 [2018-07-23 13:37:31,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,359 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:37:31,359 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:37:31,360 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:37:31,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:37:31,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:37:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:37:31,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:37:31,363 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2018-07-23 13:37:31,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,363 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:37:31,363 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:37:31,363 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:37:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:37:31,364 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,364 INFO L357 BasicCegarLoop]: trace histogram [43, 1, 1, 1] [2018-07-23 13:37:31,364 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,364 INFO L82 PathProgramCache]: Analyzing trace with hash -309493044, now seen corresponding path program 43 times [2018-07-23 13:37:31,364 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,534 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,534 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:37:31,534 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,535 INFO L185 omatonBuilderFactory]: Interpolants [5696#(<= ULTIMATE.start_main_~y~4 8), 5697#(<= ULTIMATE.start_main_~y~4 9), 5698#(<= ULTIMATE.start_main_~y~4 10), 5699#(<= ULTIMATE.start_main_~y~4 11), 5700#(<= ULTIMATE.start_main_~y~4 12), 5701#(<= ULTIMATE.start_main_~y~4 13), 5702#(<= ULTIMATE.start_main_~y~4 14), 5703#(<= ULTIMATE.start_main_~y~4 15), 5704#(<= ULTIMATE.start_main_~y~4 16), 5705#(<= ULTIMATE.start_main_~y~4 17), 5706#(<= ULTIMATE.start_main_~y~4 18), 5707#(<= ULTIMATE.start_main_~y~4 19), 5708#(<= ULTIMATE.start_main_~y~4 20), 5709#(<= ULTIMATE.start_main_~y~4 21), 5710#(<= ULTIMATE.start_main_~y~4 22), 5711#(<= ULTIMATE.start_main_~y~4 23), 5712#(<= ULTIMATE.start_main_~y~4 24), 5713#(<= ULTIMATE.start_main_~y~4 25), 5714#(<= ULTIMATE.start_main_~y~4 26), 5715#(<= ULTIMATE.start_main_~y~4 27), 5716#(<= ULTIMATE.start_main_~y~4 28), 5717#(<= ULTIMATE.start_main_~y~4 29), 5718#(<= ULTIMATE.start_main_~y~4 30), 5719#(<= ULTIMATE.start_main_~y~4 31), 5720#(<= ULTIMATE.start_main_~y~4 32), 5721#(<= ULTIMATE.start_main_~y~4 33), 5722#(<= ULTIMATE.start_main_~y~4 34), 5723#(<= ULTIMATE.start_main_~y~4 35), 5724#(<= ULTIMATE.start_main_~y~4 36), 5725#(<= ULTIMATE.start_main_~y~4 37), 5726#(<= ULTIMATE.start_main_~y~4 38), 5727#(<= ULTIMATE.start_main_~y~4 39), 5728#(<= ULTIMATE.start_main_~y~4 40), 5729#(<= ULTIMATE.start_main_~y~4 41), 5730#(<= ULTIMATE.start_main_~y~4 42), 5731#(<= ULTIMATE.start_main_~y~4 43), 5686#true, 5687#false, 5688#(<= ULTIMATE.start_main_~y~4 0), 5689#(<= ULTIMATE.start_main_~y~4 1), 5690#(<= ULTIMATE.start_main_~y~4 2), 5691#(<= ULTIMATE.start_main_~y~4 3), 5692#(<= ULTIMATE.start_main_~y~4 4), 5693#(<= ULTIMATE.start_main_~y~4 5), 5694#(<= ULTIMATE.start_main_~y~4 6), 5695#(<= ULTIMATE.start_main_~y~4 7)] [2018-07-23 13:37:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,535 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:37:31,536 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:37:31,537 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:37:31,537 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 46 states. [2018-07-23 13:37:31,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,563 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-07-23 13:37:31,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:37:31,563 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 46 [2018-07-23 13:37:31,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,564 INFO L225 Difference]: With dead ends: 50 [2018-07-23 13:37:31,564 INFO L226 Difference]: Without dead ends: 48 [2018-07-23 13:37:31,565 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:37:31,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-07-23 13:37:31,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-07-23 13:37:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-07-23 13:37:31,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-07-23 13:37:31,568 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2018-07-23 13:37:31,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,568 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-07-23 13:37:31,569 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:37:31,569 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-07-23 13:37:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-07-23 13:37:31,569 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,569 INFO L357 BasicCegarLoop]: trace histogram [44, 1, 1, 1] [2018-07-23 13:37:31,570 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1004347965, now seen corresponding path program 44 times [2018-07-23 13:37:31,570 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,782 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,782 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,783 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:37:31,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,784 INFO L185 omatonBuilderFactory]: Interpolants [5952#(<= ULTIMATE.start_main_~y~4 22), 5953#(<= ULTIMATE.start_main_~y~4 23), 5954#(<= ULTIMATE.start_main_~y~4 24), 5955#(<= ULTIMATE.start_main_~y~4 25), 5956#(<= ULTIMATE.start_main_~y~4 26), 5957#(<= ULTIMATE.start_main_~y~4 27), 5958#(<= ULTIMATE.start_main_~y~4 28), 5959#(<= ULTIMATE.start_main_~y~4 29), 5960#(<= ULTIMATE.start_main_~y~4 30), 5961#(<= ULTIMATE.start_main_~y~4 31), 5962#(<= ULTIMATE.start_main_~y~4 32), 5963#(<= ULTIMATE.start_main_~y~4 33), 5964#(<= ULTIMATE.start_main_~y~4 34), 5965#(<= ULTIMATE.start_main_~y~4 35), 5966#(<= ULTIMATE.start_main_~y~4 36), 5967#(<= ULTIMATE.start_main_~y~4 37), 5968#(<= ULTIMATE.start_main_~y~4 38), 5969#(<= ULTIMATE.start_main_~y~4 39), 5970#(<= ULTIMATE.start_main_~y~4 40), 5971#(<= ULTIMATE.start_main_~y~4 41), 5972#(<= ULTIMATE.start_main_~y~4 42), 5973#(<= ULTIMATE.start_main_~y~4 43), 5974#(<= ULTIMATE.start_main_~y~4 44), 5928#true, 5929#false, 5930#(<= ULTIMATE.start_main_~y~4 0), 5931#(<= ULTIMATE.start_main_~y~4 1), 5932#(<= ULTIMATE.start_main_~y~4 2), 5933#(<= ULTIMATE.start_main_~y~4 3), 5934#(<= ULTIMATE.start_main_~y~4 4), 5935#(<= ULTIMATE.start_main_~y~4 5), 5936#(<= ULTIMATE.start_main_~y~4 6), 5937#(<= ULTIMATE.start_main_~y~4 7), 5938#(<= ULTIMATE.start_main_~y~4 8), 5939#(<= ULTIMATE.start_main_~y~4 9), 5940#(<= ULTIMATE.start_main_~y~4 10), 5941#(<= ULTIMATE.start_main_~y~4 11), 5942#(<= ULTIMATE.start_main_~y~4 12), 5943#(<= ULTIMATE.start_main_~y~4 13), 5944#(<= ULTIMATE.start_main_~y~4 14), 5945#(<= ULTIMATE.start_main_~y~4 15), 5946#(<= ULTIMATE.start_main_~y~4 16), 5947#(<= ULTIMATE.start_main_~y~4 17), 5948#(<= ULTIMATE.start_main_~y~4 18), 5949#(<= ULTIMATE.start_main_~y~4 19), 5950#(<= ULTIMATE.start_main_~y~4 20), 5951#(<= ULTIMATE.start_main_~y~4 21)] [2018-07-23 13:37:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,784 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:37:31,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:37:31,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:37:31,786 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 47 states. [2018-07-23 13:37:31,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,810 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:37:31,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:37:31,810 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 47 [2018-07-23 13:37:31,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,811 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:37:31,811 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:37:31,812 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:37:31,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:37:31,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:37:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:37:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:37:31,815 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2018-07-23 13:37:31,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,816 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:37:31,816 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:37:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:37:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:37:31,816 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,817 INFO L357 BasicCegarLoop]: trace histogram [45, 1, 1, 1] [2018-07-23 13:37:31,817 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1070014036, now seen corresponding path program 45 times [2018-07-23 13:37:31,817 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,054 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,054 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:37:32,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,055 INFO L185 omatonBuilderFactory]: Interpolants [6208#(<= ULTIMATE.start_main_~y~4 31), 6209#(<= ULTIMATE.start_main_~y~4 32), 6210#(<= ULTIMATE.start_main_~y~4 33), 6211#(<= ULTIMATE.start_main_~y~4 34), 6212#(<= ULTIMATE.start_main_~y~4 35), 6213#(<= ULTIMATE.start_main_~y~4 36), 6214#(<= ULTIMATE.start_main_~y~4 37), 6215#(<= ULTIMATE.start_main_~y~4 38), 6216#(<= ULTIMATE.start_main_~y~4 39), 6217#(<= ULTIMATE.start_main_~y~4 40), 6218#(<= ULTIMATE.start_main_~y~4 41), 6219#(<= ULTIMATE.start_main_~y~4 42), 6220#(<= ULTIMATE.start_main_~y~4 43), 6221#(<= ULTIMATE.start_main_~y~4 44), 6222#(<= ULTIMATE.start_main_~y~4 45), 6175#true, 6176#false, 6177#(<= ULTIMATE.start_main_~y~4 0), 6178#(<= ULTIMATE.start_main_~y~4 1), 6179#(<= ULTIMATE.start_main_~y~4 2), 6180#(<= ULTIMATE.start_main_~y~4 3), 6181#(<= ULTIMATE.start_main_~y~4 4), 6182#(<= ULTIMATE.start_main_~y~4 5), 6183#(<= ULTIMATE.start_main_~y~4 6), 6184#(<= ULTIMATE.start_main_~y~4 7), 6185#(<= ULTIMATE.start_main_~y~4 8), 6186#(<= ULTIMATE.start_main_~y~4 9), 6187#(<= ULTIMATE.start_main_~y~4 10), 6188#(<= ULTIMATE.start_main_~y~4 11), 6189#(<= ULTIMATE.start_main_~y~4 12), 6190#(<= ULTIMATE.start_main_~y~4 13), 6191#(<= ULTIMATE.start_main_~y~4 14), 6192#(<= ULTIMATE.start_main_~y~4 15), 6193#(<= ULTIMATE.start_main_~y~4 16), 6194#(<= ULTIMATE.start_main_~y~4 17), 6195#(<= ULTIMATE.start_main_~y~4 18), 6196#(<= ULTIMATE.start_main_~y~4 19), 6197#(<= ULTIMATE.start_main_~y~4 20), 6198#(<= ULTIMATE.start_main_~y~4 21), 6199#(<= ULTIMATE.start_main_~y~4 22), 6200#(<= ULTIMATE.start_main_~y~4 23), 6201#(<= ULTIMATE.start_main_~y~4 24), 6202#(<= ULTIMATE.start_main_~y~4 25), 6203#(<= ULTIMATE.start_main_~y~4 26), 6204#(<= ULTIMATE.start_main_~y~4 27), 6205#(<= ULTIMATE.start_main_~y~4 28), 6206#(<= ULTIMATE.start_main_~y~4 29), 6207#(<= ULTIMATE.start_main_~y~4 30)] [2018-07-23 13:37:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,055 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:37:32,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:37:32,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:37:32,057 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 48 states. [2018-07-23 13:37:32,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,078 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-07-23 13:37:32,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:37:32,078 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 48 [2018-07-23 13:37:32,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,079 INFO L225 Difference]: With dead ends: 52 [2018-07-23 13:37:32,079 INFO L226 Difference]: Without dead ends: 50 [2018-07-23 13:37:32,080 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:37:32,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-07-23 13:37:32,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-07-23 13:37:32,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-07-23 13:37:32,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-07-23 13:37:32,082 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2018-07-23 13:37:32,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,083 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-07-23 13:37:32,083 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:37:32,083 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-07-23 13:37:32,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-23 13:37:32,084 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,084 INFO L357 BasicCegarLoop]: trace histogram [46, 1, 1, 1] [2018-07-23 13:37:32,084 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1189305059, now seen corresponding path program 46 times [2018-07-23 13:37:32,084 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,259 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,259 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:37:32,260 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,260 INFO L185 omatonBuilderFactory]: Interpolants [6427#true, 6428#false, 6429#(<= ULTIMATE.start_main_~y~4 0), 6430#(<= ULTIMATE.start_main_~y~4 1), 6431#(<= ULTIMATE.start_main_~y~4 2), 6432#(<= ULTIMATE.start_main_~y~4 3), 6433#(<= ULTIMATE.start_main_~y~4 4), 6434#(<= ULTIMATE.start_main_~y~4 5), 6435#(<= ULTIMATE.start_main_~y~4 6), 6436#(<= ULTIMATE.start_main_~y~4 7), 6437#(<= ULTIMATE.start_main_~y~4 8), 6438#(<= ULTIMATE.start_main_~y~4 9), 6439#(<= ULTIMATE.start_main_~y~4 10), 6440#(<= ULTIMATE.start_main_~y~4 11), 6441#(<= ULTIMATE.start_main_~y~4 12), 6442#(<= ULTIMATE.start_main_~y~4 13), 6443#(<= ULTIMATE.start_main_~y~4 14), 6444#(<= ULTIMATE.start_main_~y~4 15), 6445#(<= ULTIMATE.start_main_~y~4 16), 6446#(<= ULTIMATE.start_main_~y~4 17), 6447#(<= ULTIMATE.start_main_~y~4 18), 6448#(<= ULTIMATE.start_main_~y~4 19), 6449#(<= ULTIMATE.start_main_~y~4 20), 6450#(<= ULTIMATE.start_main_~y~4 21), 6451#(<= ULTIMATE.start_main_~y~4 22), 6452#(<= ULTIMATE.start_main_~y~4 23), 6453#(<= ULTIMATE.start_main_~y~4 24), 6454#(<= ULTIMATE.start_main_~y~4 25), 6455#(<= ULTIMATE.start_main_~y~4 26), 6456#(<= ULTIMATE.start_main_~y~4 27), 6457#(<= ULTIMATE.start_main_~y~4 28), 6458#(<= ULTIMATE.start_main_~y~4 29), 6459#(<= ULTIMATE.start_main_~y~4 30), 6460#(<= ULTIMATE.start_main_~y~4 31), 6461#(<= ULTIMATE.start_main_~y~4 32), 6462#(<= ULTIMATE.start_main_~y~4 33), 6463#(<= ULTIMATE.start_main_~y~4 34), 6464#(<= ULTIMATE.start_main_~y~4 35), 6465#(<= ULTIMATE.start_main_~y~4 36), 6466#(<= ULTIMATE.start_main_~y~4 37), 6467#(<= ULTIMATE.start_main_~y~4 38), 6468#(<= ULTIMATE.start_main_~y~4 39), 6469#(<= ULTIMATE.start_main_~y~4 40), 6470#(<= ULTIMATE.start_main_~y~4 41), 6471#(<= ULTIMATE.start_main_~y~4 42), 6472#(<= ULTIMATE.start_main_~y~4 43), 6473#(<= ULTIMATE.start_main_~y~4 44), 6474#(<= ULTIMATE.start_main_~y~4 45), 6475#(<= ULTIMATE.start_main_~y~4 46)] [2018-07-23 13:37:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,261 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:37:32,261 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:37:32,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:37:32,262 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 49 states. [2018-07-23 13:37:32,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,284 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:37:32,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:37:32,284 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 49 [2018-07-23 13:37:32,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,285 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:37:32,285 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:37:32,286 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:37:32,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:37:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:37:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:37:32,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:37:32,290 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2018-07-23 13:37:32,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,290 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:37:32,290 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:37:32,290 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:37:32,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:37:32,291 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,291 INFO L357 BasicCegarLoop]: trace histogram [47, 1, 1, 1] [2018-07-23 13:37:32,291 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1786247028, now seen corresponding path program 47 times [2018-07-23 13:37:32,291 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,468 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,469 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:37:32,469 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,469 INFO L185 omatonBuilderFactory]: Interpolants [6684#true, 6685#false, 6686#(<= ULTIMATE.start_main_~y~4 0), 6687#(<= ULTIMATE.start_main_~y~4 1), 6688#(<= ULTIMATE.start_main_~y~4 2), 6689#(<= ULTIMATE.start_main_~y~4 3), 6690#(<= ULTIMATE.start_main_~y~4 4), 6691#(<= ULTIMATE.start_main_~y~4 5), 6692#(<= ULTIMATE.start_main_~y~4 6), 6693#(<= ULTIMATE.start_main_~y~4 7), 6694#(<= ULTIMATE.start_main_~y~4 8), 6695#(<= ULTIMATE.start_main_~y~4 9), 6696#(<= ULTIMATE.start_main_~y~4 10), 6697#(<= ULTIMATE.start_main_~y~4 11), 6698#(<= ULTIMATE.start_main_~y~4 12), 6699#(<= ULTIMATE.start_main_~y~4 13), 6700#(<= ULTIMATE.start_main_~y~4 14), 6701#(<= ULTIMATE.start_main_~y~4 15), 6702#(<= ULTIMATE.start_main_~y~4 16), 6703#(<= ULTIMATE.start_main_~y~4 17), 6704#(<= ULTIMATE.start_main_~y~4 18), 6705#(<= ULTIMATE.start_main_~y~4 19), 6706#(<= ULTIMATE.start_main_~y~4 20), 6707#(<= ULTIMATE.start_main_~y~4 21), 6708#(<= ULTIMATE.start_main_~y~4 22), 6709#(<= ULTIMATE.start_main_~y~4 23), 6710#(<= ULTIMATE.start_main_~y~4 24), 6711#(<= ULTIMATE.start_main_~y~4 25), 6712#(<= ULTIMATE.start_main_~y~4 26), 6713#(<= ULTIMATE.start_main_~y~4 27), 6714#(<= ULTIMATE.start_main_~y~4 28), 6715#(<= ULTIMATE.start_main_~y~4 29), 6716#(<= ULTIMATE.start_main_~y~4 30), 6717#(<= ULTIMATE.start_main_~y~4 31), 6718#(<= ULTIMATE.start_main_~y~4 32), 6719#(<= ULTIMATE.start_main_~y~4 33), 6720#(<= ULTIMATE.start_main_~y~4 34), 6721#(<= ULTIMATE.start_main_~y~4 35), 6722#(<= ULTIMATE.start_main_~y~4 36), 6723#(<= ULTIMATE.start_main_~y~4 37), 6724#(<= ULTIMATE.start_main_~y~4 38), 6725#(<= ULTIMATE.start_main_~y~4 39), 6726#(<= ULTIMATE.start_main_~y~4 40), 6727#(<= ULTIMATE.start_main_~y~4 41), 6728#(<= ULTIMATE.start_main_~y~4 42), 6729#(<= ULTIMATE.start_main_~y~4 43), 6730#(<= ULTIMATE.start_main_~y~4 44), 6731#(<= ULTIMATE.start_main_~y~4 45), 6732#(<= ULTIMATE.start_main_~y~4 46), 6733#(<= ULTIMATE.start_main_~y~4 47)] [2018-07-23 13:37:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,470 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:37:32,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:37:32,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:37:32,472 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 50 states. [2018-07-23 13:37:32,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,494 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2018-07-23 13:37:32,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:37:32,494 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 50 [2018-07-23 13:37:32,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,495 INFO L225 Difference]: With dead ends: 54 [2018-07-23 13:37:32,495 INFO L226 Difference]: Without dead ends: 52 [2018-07-23 13:37:32,496 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:37:32,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-23 13:37:32,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-07-23 13:37:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-07-23 13:37:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-07-23 13:37:32,500 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2018-07-23 13:37:32,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,500 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-07-23 13:37:32,500 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:37:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-07-23 13:37:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-07-23 13:37:32,501 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,501 INFO L357 BasicCegarLoop]: trace histogram [48, 1, 1, 1] [2018-07-23 13:37:32,501 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,502 INFO L82 PathProgramCache]: Analyzing trace with hash 460918787, now seen corresponding path program 48 times [2018-07-23 13:37:32,502 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,682 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,682 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:37:32,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,683 INFO L185 omatonBuilderFactory]: Interpolants [6946#true, 6947#false, 6948#(<= ULTIMATE.start_main_~y~4 0), 6949#(<= ULTIMATE.start_main_~y~4 1), 6950#(<= ULTIMATE.start_main_~y~4 2), 6951#(<= ULTIMATE.start_main_~y~4 3), 6952#(<= ULTIMATE.start_main_~y~4 4), 6953#(<= ULTIMATE.start_main_~y~4 5), 6954#(<= ULTIMATE.start_main_~y~4 6), 6955#(<= ULTIMATE.start_main_~y~4 7), 6956#(<= ULTIMATE.start_main_~y~4 8), 6957#(<= ULTIMATE.start_main_~y~4 9), 6958#(<= ULTIMATE.start_main_~y~4 10), 6959#(<= ULTIMATE.start_main_~y~4 11), 6960#(<= ULTIMATE.start_main_~y~4 12), 6961#(<= ULTIMATE.start_main_~y~4 13), 6962#(<= ULTIMATE.start_main_~y~4 14), 6963#(<= ULTIMATE.start_main_~y~4 15), 6964#(<= ULTIMATE.start_main_~y~4 16), 6965#(<= ULTIMATE.start_main_~y~4 17), 6966#(<= ULTIMATE.start_main_~y~4 18), 6967#(<= ULTIMATE.start_main_~y~4 19), 6968#(<= ULTIMATE.start_main_~y~4 20), 6969#(<= ULTIMATE.start_main_~y~4 21), 6970#(<= ULTIMATE.start_main_~y~4 22), 6971#(<= ULTIMATE.start_main_~y~4 23), 6972#(<= ULTIMATE.start_main_~y~4 24), 6973#(<= ULTIMATE.start_main_~y~4 25), 6974#(<= ULTIMATE.start_main_~y~4 26), 6975#(<= ULTIMATE.start_main_~y~4 27), 6976#(<= ULTIMATE.start_main_~y~4 28), 6977#(<= ULTIMATE.start_main_~y~4 29), 6978#(<= ULTIMATE.start_main_~y~4 30), 6979#(<= ULTIMATE.start_main_~y~4 31), 6980#(<= ULTIMATE.start_main_~y~4 32), 6981#(<= ULTIMATE.start_main_~y~4 33), 6982#(<= ULTIMATE.start_main_~y~4 34), 6983#(<= ULTIMATE.start_main_~y~4 35), 6984#(<= ULTIMATE.start_main_~y~4 36), 6985#(<= ULTIMATE.start_main_~y~4 37), 6986#(<= ULTIMATE.start_main_~y~4 38), 6987#(<= ULTIMATE.start_main_~y~4 39), 6988#(<= ULTIMATE.start_main_~y~4 40), 6989#(<= ULTIMATE.start_main_~y~4 41), 6990#(<= ULTIMATE.start_main_~y~4 42), 6991#(<= ULTIMATE.start_main_~y~4 43), 6992#(<= ULTIMATE.start_main_~y~4 44), 6993#(<= ULTIMATE.start_main_~y~4 45), 6994#(<= ULTIMATE.start_main_~y~4 46), 6995#(<= ULTIMATE.start_main_~y~4 47), 6996#(<= ULTIMATE.start_main_~y~4 48)] [2018-07-23 13:37:32,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,683 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:37:32,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:37:32,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:37:32,685 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 51 states. [2018-07-23 13:37:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,711 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:37:32,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:37:32,712 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 51 [2018-07-23 13:37:32,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,712 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:37:32,713 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:37:32,713 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:37:32,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:37:32,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:37:32,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:37:32,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:37:32,716 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2018-07-23 13:37:32,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,717 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:37:32,717 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:37:32,717 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:37:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:37:32,717 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,717 INFO L357 BasicCegarLoop]: trace histogram [49, 1, 1, 1] [2018-07-23 13:37:32,718 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1403582316, now seen corresponding path program 49 times [2018-07-23 13:37:32,718 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,920 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,920 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:37:32,920 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,921 INFO L185 omatonBuilderFactory]: Interpolants [7213#true, 7214#false, 7215#(<= ULTIMATE.start_main_~y~4 0), 7216#(<= ULTIMATE.start_main_~y~4 1), 7217#(<= ULTIMATE.start_main_~y~4 2), 7218#(<= ULTIMATE.start_main_~y~4 3), 7219#(<= ULTIMATE.start_main_~y~4 4), 7220#(<= ULTIMATE.start_main_~y~4 5), 7221#(<= ULTIMATE.start_main_~y~4 6), 7222#(<= ULTIMATE.start_main_~y~4 7), 7223#(<= ULTIMATE.start_main_~y~4 8), 7224#(<= ULTIMATE.start_main_~y~4 9), 7225#(<= ULTIMATE.start_main_~y~4 10), 7226#(<= ULTIMATE.start_main_~y~4 11), 7227#(<= ULTIMATE.start_main_~y~4 12), 7228#(<= ULTIMATE.start_main_~y~4 13), 7229#(<= ULTIMATE.start_main_~y~4 14), 7230#(<= ULTIMATE.start_main_~y~4 15), 7231#(<= ULTIMATE.start_main_~y~4 16), 7232#(<= ULTIMATE.start_main_~y~4 17), 7233#(<= ULTIMATE.start_main_~y~4 18), 7234#(<= ULTIMATE.start_main_~y~4 19), 7235#(<= ULTIMATE.start_main_~y~4 20), 7236#(<= ULTIMATE.start_main_~y~4 21), 7237#(<= ULTIMATE.start_main_~y~4 22), 7238#(<= ULTIMATE.start_main_~y~4 23), 7239#(<= ULTIMATE.start_main_~y~4 24), 7240#(<= ULTIMATE.start_main_~y~4 25), 7241#(<= ULTIMATE.start_main_~y~4 26), 7242#(<= ULTIMATE.start_main_~y~4 27), 7243#(<= ULTIMATE.start_main_~y~4 28), 7244#(<= ULTIMATE.start_main_~y~4 29), 7245#(<= ULTIMATE.start_main_~y~4 30), 7246#(<= ULTIMATE.start_main_~y~4 31), 7247#(<= ULTIMATE.start_main_~y~4 32), 7248#(<= ULTIMATE.start_main_~y~4 33), 7249#(<= ULTIMATE.start_main_~y~4 34), 7250#(<= ULTIMATE.start_main_~y~4 35), 7251#(<= ULTIMATE.start_main_~y~4 36), 7252#(<= ULTIMATE.start_main_~y~4 37), 7253#(<= ULTIMATE.start_main_~y~4 38), 7254#(<= ULTIMATE.start_main_~y~4 39), 7255#(<= ULTIMATE.start_main_~y~4 40), 7256#(<= ULTIMATE.start_main_~y~4 41), 7257#(<= ULTIMATE.start_main_~y~4 42), 7258#(<= ULTIMATE.start_main_~y~4 43), 7259#(<= ULTIMATE.start_main_~y~4 44), 7260#(<= ULTIMATE.start_main_~y~4 45), 7261#(<= ULTIMATE.start_main_~y~4 46), 7262#(<= ULTIMATE.start_main_~y~4 47), 7263#(<= ULTIMATE.start_main_~y~4 48), 7264#(<= ULTIMATE.start_main_~y~4 49)] [2018-07-23 13:37:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,921 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:37:32,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:37:32,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:37:32,923 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 52 states. [2018-07-23 13:37:32,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,953 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-07-23 13:37:32,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:37:32,953 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 52 [2018-07-23 13:37:32,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,954 INFO L225 Difference]: With dead ends: 56 [2018-07-23 13:37:32,954 INFO L226 Difference]: Without dead ends: 54 [2018-07-23 13:37:32,955 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:37:32,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-07-23 13:37:32,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-07-23 13:37:32,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-07-23 13:37:32,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-07-23 13:37:32,957 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2018-07-23 13:37:32,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,958 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-07-23 13:37:32,958 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:37:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-07-23 13:37:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-23 13:37:32,958 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,958 INFO L357 BasicCegarLoop]: trace histogram [50, 1, 1, 1] [2018-07-23 13:37:32,959 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,959 INFO L82 PathProgramCache]: Analyzing trace with hash 561380643, now seen corresponding path program 50 times [2018-07-23 13:37:32,959 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,167 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:33,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:37:33,167 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,168 INFO L185 omatonBuilderFactory]: Interpolants [7485#true, 7486#false, 7487#(<= ULTIMATE.start_main_~y~4 0), 7488#(<= ULTIMATE.start_main_~y~4 1), 7489#(<= ULTIMATE.start_main_~y~4 2), 7490#(<= ULTIMATE.start_main_~y~4 3), 7491#(<= ULTIMATE.start_main_~y~4 4), 7492#(<= ULTIMATE.start_main_~y~4 5), 7493#(<= ULTIMATE.start_main_~y~4 6), 7494#(<= ULTIMATE.start_main_~y~4 7), 7495#(<= ULTIMATE.start_main_~y~4 8), 7496#(<= ULTIMATE.start_main_~y~4 9), 7497#(<= ULTIMATE.start_main_~y~4 10), 7498#(<= ULTIMATE.start_main_~y~4 11), 7499#(<= ULTIMATE.start_main_~y~4 12), 7500#(<= ULTIMATE.start_main_~y~4 13), 7501#(<= ULTIMATE.start_main_~y~4 14), 7502#(<= ULTIMATE.start_main_~y~4 15), 7503#(<= ULTIMATE.start_main_~y~4 16), 7504#(<= ULTIMATE.start_main_~y~4 17), 7505#(<= ULTIMATE.start_main_~y~4 18), 7506#(<= ULTIMATE.start_main_~y~4 19), 7507#(<= ULTIMATE.start_main_~y~4 20), 7508#(<= ULTIMATE.start_main_~y~4 21), 7509#(<= ULTIMATE.start_main_~y~4 22), 7510#(<= ULTIMATE.start_main_~y~4 23), 7511#(<= ULTIMATE.start_main_~y~4 24), 7512#(<= ULTIMATE.start_main_~y~4 25), 7513#(<= ULTIMATE.start_main_~y~4 26), 7514#(<= ULTIMATE.start_main_~y~4 27), 7515#(<= ULTIMATE.start_main_~y~4 28), 7516#(<= ULTIMATE.start_main_~y~4 29), 7517#(<= ULTIMATE.start_main_~y~4 30), 7518#(<= ULTIMATE.start_main_~y~4 31), 7519#(<= ULTIMATE.start_main_~y~4 32), 7520#(<= ULTIMATE.start_main_~y~4 33), 7521#(<= ULTIMATE.start_main_~y~4 34), 7522#(<= ULTIMATE.start_main_~y~4 35), 7523#(<= ULTIMATE.start_main_~y~4 36), 7524#(<= ULTIMATE.start_main_~y~4 37), 7525#(<= ULTIMATE.start_main_~y~4 38), 7526#(<= ULTIMATE.start_main_~y~4 39), 7527#(<= ULTIMATE.start_main_~y~4 40), 7528#(<= ULTIMATE.start_main_~y~4 41), 7529#(<= ULTIMATE.start_main_~y~4 42), 7530#(<= ULTIMATE.start_main_~y~4 43), 7531#(<= ULTIMATE.start_main_~y~4 44), 7532#(<= ULTIMATE.start_main_~y~4 45), 7533#(<= ULTIMATE.start_main_~y~4 46), 7534#(<= ULTIMATE.start_main_~y~4 47), 7535#(<= ULTIMATE.start_main_~y~4 48), 7536#(<= ULTIMATE.start_main_~y~4 49), 7537#(<= ULTIMATE.start_main_~y~4 50)] [2018-07-23 13:37:33,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,168 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:37:33,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:37:33,173 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:37:33,174 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 53 states. [2018-07-23 13:37:33,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:33,207 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:37:33,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:37:33,207 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 53 [2018-07-23 13:37:33,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:33,208 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:37:33,208 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:37:33,209 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:37:33,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:37:33,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:37:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:37:33,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:37:33,212 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2018-07-23 13:37:33,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:33,212 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:37:33,212 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:37:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:37:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:37:33,213 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:33,213 INFO L357 BasicCegarLoop]: trace histogram [51, 1, 1, 1] [2018-07-23 13:37:33,213 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:33,213 INFO L82 PathProgramCache]: Analyzing trace with hash 222932556, now seen corresponding path program 51 times [2018-07-23 13:37:33,214 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:33,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,421 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:33,421 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:37:33,421 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,422 INFO L185 omatonBuilderFactory]: Interpolants [7808#(<= ULTIMATE.start_main_~y~4 44), 7809#(<= ULTIMATE.start_main_~y~4 45), 7810#(<= ULTIMATE.start_main_~y~4 46), 7811#(<= ULTIMATE.start_main_~y~4 47), 7812#(<= ULTIMATE.start_main_~y~4 48), 7813#(<= ULTIMATE.start_main_~y~4 49), 7814#(<= ULTIMATE.start_main_~y~4 50), 7815#(<= ULTIMATE.start_main_~y~4 51), 7762#true, 7763#false, 7764#(<= ULTIMATE.start_main_~y~4 0), 7765#(<= ULTIMATE.start_main_~y~4 1), 7766#(<= ULTIMATE.start_main_~y~4 2), 7767#(<= ULTIMATE.start_main_~y~4 3), 7768#(<= ULTIMATE.start_main_~y~4 4), 7769#(<= ULTIMATE.start_main_~y~4 5), 7770#(<= ULTIMATE.start_main_~y~4 6), 7771#(<= ULTIMATE.start_main_~y~4 7), 7772#(<= ULTIMATE.start_main_~y~4 8), 7773#(<= ULTIMATE.start_main_~y~4 9), 7774#(<= ULTIMATE.start_main_~y~4 10), 7775#(<= ULTIMATE.start_main_~y~4 11), 7776#(<= ULTIMATE.start_main_~y~4 12), 7777#(<= ULTIMATE.start_main_~y~4 13), 7778#(<= ULTIMATE.start_main_~y~4 14), 7779#(<= ULTIMATE.start_main_~y~4 15), 7780#(<= ULTIMATE.start_main_~y~4 16), 7781#(<= ULTIMATE.start_main_~y~4 17), 7782#(<= ULTIMATE.start_main_~y~4 18), 7783#(<= ULTIMATE.start_main_~y~4 19), 7784#(<= ULTIMATE.start_main_~y~4 20), 7785#(<= ULTIMATE.start_main_~y~4 21), 7786#(<= ULTIMATE.start_main_~y~4 22), 7787#(<= ULTIMATE.start_main_~y~4 23), 7788#(<= ULTIMATE.start_main_~y~4 24), 7789#(<= ULTIMATE.start_main_~y~4 25), 7790#(<= ULTIMATE.start_main_~y~4 26), 7791#(<= ULTIMATE.start_main_~y~4 27), 7792#(<= ULTIMATE.start_main_~y~4 28), 7793#(<= ULTIMATE.start_main_~y~4 29), 7794#(<= ULTIMATE.start_main_~y~4 30), 7795#(<= ULTIMATE.start_main_~y~4 31), 7796#(<= ULTIMATE.start_main_~y~4 32), 7797#(<= ULTIMATE.start_main_~y~4 33), 7798#(<= ULTIMATE.start_main_~y~4 34), 7799#(<= ULTIMATE.start_main_~y~4 35), 7800#(<= ULTIMATE.start_main_~y~4 36), 7801#(<= ULTIMATE.start_main_~y~4 37), 7802#(<= ULTIMATE.start_main_~y~4 38), 7803#(<= ULTIMATE.start_main_~y~4 39), 7804#(<= ULTIMATE.start_main_~y~4 40), 7805#(<= ULTIMATE.start_main_~y~4 41), 7806#(<= ULTIMATE.start_main_~y~4 42), 7807#(<= ULTIMATE.start_main_~y~4 43)] [2018-07-23 13:37:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,423 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:37:33,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:37:33,424 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:37:33,424 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 54 states. [2018-07-23 13:37:33,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:33,451 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-07-23 13:37:33,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:37:33,451 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 54 [2018-07-23 13:37:33,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:33,452 INFO L225 Difference]: With dead ends: 58 [2018-07-23 13:37:33,452 INFO L226 Difference]: Without dead ends: 56 [2018-07-23 13:37:33,453 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:37:33,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-23 13:37:33,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-07-23 13:37:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-07-23 13:37:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2018-07-23 13:37:33,456 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2018-07-23 13:37:33,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:33,456 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2018-07-23 13:37:33,456 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:37:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2018-07-23 13:37:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-07-23 13:37:33,457 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:33,457 INFO L357 BasicCegarLoop]: trace histogram [52, 1, 1, 1] [2018-07-23 13:37:33,457 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:33,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1679023549, now seen corresponding path program 52 times [2018-07-23 13:37:33,458 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:33,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,663 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:33,663 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:37:33,663 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,663 INFO L185 omatonBuilderFactory]: Interpolants [8064#(<= ULTIMATE.start_main_~y~4 18), 8065#(<= ULTIMATE.start_main_~y~4 19), 8066#(<= ULTIMATE.start_main_~y~4 20), 8067#(<= ULTIMATE.start_main_~y~4 21), 8068#(<= ULTIMATE.start_main_~y~4 22), 8069#(<= ULTIMATE.start_main_~y~4 23), 8070#(<= ULTIMATE.start_main_~y~4 24), 8071#(<= ULTIMATE.start_main_~y~4 25), 8072#(<= ULTIMATE.start_main_~y~4 26), 8073#(<= ULTIMATE.start_main_~y~4 27), 8074#(<= ULTIMATE.start_main_~y~4 28), 8075#(<= ULTIMATE.start_main_~y~4 29), 8076#(<= ULTIMATE.start_main_~y~4 30), 8077#(<= ULTIMATE.start_main_~y~4 31), 8078#(<= ULTIMATE.start_main_~y~4 32), 8079#(<= ULTIMATE.start_main_~y~4 33), 8080#(<= ULTIMATE.start_main_~y~4 34), 8081#(<= ULTIMATE.start_main_~y~4 35), 8082#(<= ULTIMATE.start_main_~y~4 36), 8083#(<= ULTIMATE.start_main_~y~4 37), 8084#(<= ULTIMATE.start_main_~y~4 38), 8085#(<= ULTIMATE.start_main_~y~4 39), 8086#(<= ULTIMATE.start_main_~y~4 40), 8087#(<= ULTIMATE.start_main_~y~4 41), 8088#(<= ULTIMATE.start_main_~y~4 42), 8089#(<= ULTIMATE.start_main_~y~4 43), 8090#(<= ULTIMATE.start_main_~y~4 44), 8091#(<= ULTIMATE.start_main_~y~4 45), 8092#(<= ULTIMATE.start_main_~y~4 46), 8093#(<= ULTIMATE.start_main_~y~4 47), 8094#(<= ULTIMATE.start_main_~y~4 48), 8095#(<= ULTIMATE.start_main_~y~4 49), 8096#(<= ULTIMATE.start_main_~y~4 50), 8097#(<= ULTIMATE.start_main_~y~4 51), 8098#(<= ULTIMATE.start_main_~y~4 52), 8044#true, 8045#false, 8046#(<= ULTIMATE.start_main_~y~4 0), 8047#(<= ULTIMATE.start_main_~y~4 1), 8048#(<= ULTIMATE.start_main_~y~4 2), 8049#(<= ULTIMATE.start_main_~y~4 3), 8050#(<= ULTIMATE.start_main_~y~4 4), 8051#(<= ULTIMATE.start_main_~y~4 5), 8052#(<= ULTIMATE.start_main_~y~4 6), 8053#(<= ULTIMATE.start_main_~y~4 7), 8054#(<= ULTIMATE.start_main_~y~4 8), 8055#(<= ULTIMATE.start_main_~y~4 9), 8056#(<= ULTIMATE.start_main_~y~4 10), 8057#(<= ULTIMATE.start_main_~y~4 11), 8058#(<= ULTIMATE.start_main_~y~4 12), 8059#(<= ULTIMATE.start_main_~y~4 13), 8060#(<= ULTIMATE.start_main_~y~4 14), 8061#(<= ULTIMATE.start_main_~y~4 15), 8062#(<= ULTIMATE.start_main_~y~4 16), 8063#(<= ULTIMATE.start_main_~y~4 17)] [2018-07-23 13:37:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,664 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:37:33,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:37:33,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:37:33,665 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 55 states. [2018-07-23 13:37:33,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:33,692 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:37:33,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:37:33,692 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 55 [2018-07-23 13:37:33,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:33,693 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:37:33,693 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:37:33,694 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:37:33,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:37:33,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:37:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:37:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:37:33,696 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2018-07-23 13:37:33,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:33,697 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:37:33,697 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:37:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:37:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:37:33,698 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:33,698 INFO L357 BasicCegarLoop]: trace histogram [53, 1, 1, 1] [2018-07-23 13:37:33,698 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:33,698 INFO L82 PathProgramCache]: Analyzing trace with hash -510120660, now seen corresponding path program 53 times [2018-07-23 13:37:33,698 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,891 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:33,891 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:37:33,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,892 INFO L185 omatonBuilderFactory]: Interpolants [8331#true, 8332#false, 8333#(<= ULTIMATE.start_main_~y~4 0), 8334#(<= ULTIMATE.start_main_~y~4 1), 8335#(<= ULTIMATE.start_main_~y~4 2), 8336#(<= ULTIMATE.start_main_~y~4 3), 8337#(<= ULTIMATE.start_main_~y~4 4), 8338#(<= ULTIMATE.start_main_~y~4 5), 8339#(<= ULTIMATE.start_main_~y~4 6), 8340#(<= ULTIMATE.start_main_~y~4 7), 8341#(<= ULTIMATE.start_main_~y~4 8), 8342#(<= ULTIMATE.start_main_~y~4 9), 8343#(<= ULTIMATE.start_main_~y~4 10), 8344#(<= ULTIMATE.start_main_~y~4 11), 8345#(<= ULTIMATE.start_main_~y~4 12), 8346#(<= ULTIMATE.start_main_~y~4 13), 8347#(<= ULTIMATE.start_main_~y~4 14), 8348#(<= ULTIMATE.start_main_~y~4 15), 8349#(<= ULTIMATE.start_main_~y~4 16), 8350#(<= ULTIMATE.start_main_~y~4 17), 8351#(<= ULTIMATE.start_main_~y~4 18), 8352#(<= ULTIMATE.start_main_~y~4 19), 8353#(<= ULTIMATE.start_main_~y~4 20), 8354#(<= ULTIMATE.start_main_~y~4 21), 8355#(<= ULTIMATE.start_main_~y~4 22), 8356#(<= ULTIMATE.start_main_~y~4 23), 8357#(<= ULTIMATE.start_main_~y~4 24), 8358#(<= ULTIMATE.start_main_~y~4 25), 8359#(<= ULTIMATE.start_main_~y~4 26), 8360#(<= ULTIMATE.start_main_~y~4 27), 8361#(<= ULTIMATE.start_main_~y~4 28), 8362#(<= ULTIMATE.start_main_~y~4 29), 8363#(<= ULTIMATE.start_main_~y~4 30), 8364#(<= ULTIMATE.start_main_~y~4 31), 8365#(<= ULTIMATE.start_main_~y~4 32), 8366#(<= ULTIMATE.start_main_~y~4 33), 8367#(<= ULTIMATE.start_main_~y~4 34), 8368#(<= ULTIMATE.start_main_~y~4 35), 8369#(<= ULTIMATE.start_main_~y~4 36), 8370#(<= ULTIMATE.start_main_~y~4 37), 8371#(<= ULTIMATE.start_main_~y~4 38), 8372#(<= ULTIMATE.start_main_~y~4 39), 8373#(<= ULTIMATE.start_main_~y~4 40), 8374#(<= ULTIMATE.start_main_~y~4 41), 8375#(<= ULTIMATE.start_main_~y~4 42), 8376#(<= ULTIMATE.start_main_~y~4 43), 8377#(<= ULTIMATE.start_main_~y~4 44), 8378#(<= ULTIMATE.start_main_~y~4 45), 8379#(<= ULTIMATE.start_main_~y~4 46), 8380#(<= ULTIMATE.start_main_~y~4 47), 8381#(<= ULTIMATE.start_main_~y~4 48), 8382#(<= ULTIMATE.start_main_~y~4 49), 8383#(<= ULTIMATE.start_main_~y~4 50), 8384#(<= ULTIMATE.start_main_~y~4 51), 8385#(<= ULTIMATE.start_main_~y~4 52), 8386#(<= ULTIMATE.start_main_~y~4 53)] [2018-07-23 13:37:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,893 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:37:33,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:37:33,895 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:37:33,895 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 56 states. [2018-07-23 13:37:33,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:33,933 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-07-23 13:37:33,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:37:33,933 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 56 [2018-07-23 13:37:33,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:33,934 INFO L225 Difference]: With dead ends: 60 [2018-07-23 13:37:33,934 INFO L226 Difference]: Without dead ends: 58 [2018-07-23 13:37:33,935 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:37:33,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-23 13:37:33,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-07-23 13:37:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-07-23 13:37:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-07-23 13:37:33,938 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2018-07-23 13:37:33,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:33,938 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-07-23 13:37:33,938 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:37:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-07-23 13:37:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-07-23 13:37:33,939 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:33,939 INFO L357 BasicCegarLoop]: trace histogram [54, 1, 1, 1] [2018-07-23 13:37:33,939 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:33,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1366130531, now seen corresponding path program 54 times [2018-07-23 13:37:33,940 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,146 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:34,146 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:37:34,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,147 INFO L185 omatonBuilderFactory]: Interpolants [8623#true, 8624#false, 8625#(<= ULTIMATE.start_main_~y~4 0), 8626#(<= ULTIMATE.start_main_~y~4 1), 8627#(<= ULTIMATE.start_main_~y~4 2), 8628#(<= ULTIMATE.start_main_~y~4 3), 8629#(<= ULTIMATE.start_main_~y~4 4), 8630#(<= ULTIMATE.start_main_~y~4 5), 8631#(<= ULTIMATE.start_main_~y~4 6), 8632#(<= ULTIMATE.start_main_~y~4 7), 8633#(<= ULTIMATE.start_main_~y~4 8), 8634#(<= ULTIMATE.start_main_~y~4 9), 8635#(<= ULTIMATE.start_main_~y~4 10), 8636#(<= ULTIMATE.start_main_~y~4 11), 8637#(<= ULTIMATE.start_main_~y~4 12), 8638#(<= ULTIMATE.start_main_~y~4 13), 8639#(<= ULTIMATE.start_main_~y~4 14), 8640#(<= ULTIMATE.start_main_~y~4 15), 8641#(<= ULTIMATE.start_main_~y~4 16), 8642#(<= ULTIMATE.start_main_~y~4 17), 8643#(<= ULTIMATE.start_main_~y~4 18), 8644#(<= ULTIMATE.start_main_~y~4 19), 8645#(<= ULTIMATE.start_main_~y~4 20), 8646#(<= ULTIMATE.start_main_~y~4 21), 8647#(<= ULTIMATE.start_main_~y~4 22), 8648#(<= ULTIMATE.start_main_~y~4 23), 8649#(<= ULTIMATE.start_main_~y~4 24), 8650#(<= ULTIMATE.start_main_~y~4 25), 8651#(<= ULTIMATE.start_main_~y~4 26), 8652#(<= ULTIMATE.start_main_~y~4 27), 8653#(<= ULTIMATE.start_main_~y~4 28), 8654#(<= ULTIMATE.start_main_~y~4 29), 8655#(<= ULTIMATE.start_main_~y~4 30), 8656#(<= ULTIMATE.start_main_~y~4 31), 8657#(<= ULTIMATE.start_main_~y~4 32), 8658#(<= ULTIMATE.start_main_~y~4 33), 8659#(<= ULTIMATE.start_main_~y~4 34), 8660#(<= ULTIMATE.start_main_~y~4 35), 8661#(<= ULTIMATE.start_main_~y~4 36), 8662#(<= ULTIMATE.start_main_~y~4 37), 8663#(<= ULTIMATE.start_main_~y~4 38), 8664#(<= ULTIMATE.start_main_~y~4 39), 8665#(<= ULTIMATE.start_main_~y~4 40), 8666#(<= ULTIMATE.start_main_~y~4 41), 8667#(<= ULTIMATE.start_main_~y~4 42), 8668#(<= ULTIMATE.start_main_~y~4 43), 8669#(<= ULTIMATE.start_main_~y~4 44), 8670#(<= ULTIMATE.start_main_~y~4 45), 8671#(<= ULTIMATE.start_main_~y~4 46), 8672#(<= ULTIMATE.start_main_~y~4 47), 8673#(<= ULTIMATE.start_main_~y~4 48), 8674#(<= ULTIMATE.start_main_~y~4 49), 8675#(<= ULTIMATE.start_main_~y~4 50), 8676#(<= ULTIMATE.start_main_~y~4 51), 8677#(<= ULTIMATE.start_main_~y~4 52), 8678#(<= ULTIMATE.start_main_~y~4 53), 8679#(<= ULTIMATE.start_main_~y~4 54)] [2018-07-23 13:37:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,148 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:37:34,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:37:34,149 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:37:34,150 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 57 states. [2018-07-23 13:37:34,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:34,186 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:37:34,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:37:34,186 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 57 [2018-07-23 13:37:34,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:34,187 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:37:34,187 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:37:34,188 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:37:34,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:37:34,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:37:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:37:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:37:34,191 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2018-07-23 13:37:34,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:34,191 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:37:34,192 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:37:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:37:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:37:34,192 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:34,192 INFO L357 BasicCegarLoop]: trace histogram [55, 1, 1, 1] [2018-07-23 13:37:34,193 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:34,193 INFO L82 PathProgramCache]: Analyzing trace with hash -599624692, now seen corresponding path program 55 times [2018-07-23 13:37:34,193 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:34,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,452 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:34,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:37:34,453 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,454 INFO L185 omatonBuilderFactory]: Interpolants [8960#(<= ULTIMATE.start_main_~y~4 38), 8961#(<= ULTIMATE.start_main_~y~4 39), 8962#(<= ULTIMATE.start_main_~y~4 40), 8963#(<= ULTIMATE.start_main_~y~4 41), 8964#(<= ULTIMATE.start_main_~y~4 42), 8965#(<= ULTIMATE.start_main_~y~4 43), 8966#(<= ULTIMATE.start_main_~y~4 44), 8967#(<= ULTIMATE.start_main_~y~4 45), 8968#(<= ULTIMATE.start_main_~y~4 46), 8969#(<= ULTIMATE.start_main_~y~4 47), 8970#(<= ULTIMATE.start_main_~y~4 48), 8971#(<= ULTIMATE.start_main_~y~4 49), 8972#(<= ULTIMATE.start_main_~y~4 50), 8973#(<= ULTIMATE.start_main_~y~4 51), 8974#(<= ULTIMATE.start_main_~y~4 52), 8975#(<= ULTIMATE.start_main_~y~4 53), 8976#(<= ULTIMATE.start_main_~y~4 54), 8977#(<= ULTIMATE.start_main_~y~4 55), 8920#true, 8921#false, 8922#(<= ULTIMATE.start_main_~y~4 0), 8923#(<= ULTIMATE.start_main_~y~4 1), 8924#(<= ULTIMATE.start_main_~y~4 2), 8925#(<= ULTIMATE.start_main_~y~4 3), 8926#(<= ULTIMATE.start_main_~y~4 4), 8927#(<= ULTIMATE.start_main_~y~4 5), 8928#(<= ULTIMATE.start_main_~y~4 6), 8929#(<= ULTIMATE.start_main_~y~4 7), 8930#(<= ULTIMATE.start_main_~y~4 8), 8931#(<= ULTIMATE.start_main_~y~4 9), 8932#(<= ULTIMATE.start_main_~y~4 10), 8933#(<= ULTIMATE.start_main_~y~4 11), 8934#(<= ULTIMATE.start_main_~y~4 12), 8935#(<= ULTIMATE.start_main_~y~4 13), 8936#(<= ULTIMATE.start_main_~y~4 14), 8937#(<= ULTIMATE.start_main_~y~4 15), 8938#(<= ULTIMATE.start_main_~y~4 16), 8939#(<= ULTIMATE.start_main_~y~4 17), 8940#(<= ULTIMATE.start_main_~y~4 18), 8941#(<= ULTIMATE.start_main_~y~4 19), 8942#(<= ULTIMATE.start_main_~y~4 20), 8943#(<= ULTIMATE.start_main_~y~4 21), 8944#(<= ULTIMATE.start_main_~y~4 22), 8945#(<= ULTIMATE.start_main_~y~4 23), 8946#(<= ULTIMATE.start_main_~y~4 24), 8947#(<= ULTIMATE.start_main_~y~4 25), 8948#(<= ULTIMATE.start_main_~y~4 26), 8949#(<= ULTIMATE.start_main_~y~4 27), 8950#(<= ULTIMATE.start_main_~y~4 28), 8951#(<= ULTIMATE.start_main_~y~4 29), 8952#(<= ULTIMATE.start_main_~y~4 30), 8953#(<= ULTIMATE.start_main_~y~4 31), 8954#(<= ULTIMATE.start_main_~y~4 32), 8955#(<= ULTIMATE.start_main_~y~4 33), 8956#(<= ULTIMATE.start_main_~y~4 34), 8957#(<= ULTIMATE.start_main_~y~4 35), 8958#(<= ULTIMATE.start_main_~y~4 36), 8959#(<= ULTIMATE.start_main_~y~4 37)] [2018-07-23 13:37:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,455 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:37:34,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:37:34,457 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:37:34,457 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 58 states. [2018-07-23 13:37:34,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:34,487 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-07-23 13:37:34,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:37:34,487 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 58 [2018-07-23 13:37:34,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:34,488 INFO L225 Difference]: With dead ends: 62 [2018-07-23 13:37:34,488 INFO L226 Difference]: Without dead ends: 60 [2018-07-23 13:37:34,489 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:37:34,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-07-23 13:37:34,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-07-23 13:37:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-07-23 13:37:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-07-23 13:37:34,492 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2018-07-23 13:37:34,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:34,493 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-07-23 13:37:34,493 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:37:34,493 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-07-23 13:37:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-07-23 13:37:34,494 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:34,494 INFO L357 BasicCegarLoop]: trace histogram [56, 1, 1, 1] [2018-07-23 13:37:34,494 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:34,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1408494461, now seen corresponding path program 56 times [2018-07-23 13:37:34,495 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,784 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:34,785 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:37:34,785 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,785 INFO L185 omatonBuilderFactory]: Interpolants [9222#true, 9223#false, 9224#(<= ULTIMATE.start_main_~y~4 0), 9225#(<= ULTIMATE.start_main_~y~4 1), 9226#(<= ULTIMATE.start_main_~y~4 2), 9227#(<= ULTIMATE.start_main_~y~4 3), 9228#(<= ULTIMATE.start_main_~y~4 4), 9229#(<= ULTIMATE.start_main_~y~4 5), 9230#(<= ULTIMATE.start_main_~y~4 6), 9231#(<= ULTIMATE.start_main_~y~4 7), 9232#(<= ULTIMATE.start_main_~y~4 8), 9233#(<= ULTIMATE.start_main_~y~4 9), 9234#(<= ULTIMATE.start_main_~y~4 10), 9235#(<= ULTIMATE.start_main_~y~4 11), 9236#(<= ULTIMATE.start_main_~y~4 12), 9237#(<= ULTIMATE.start_main_~y~4 13), 9238#(<= ULTIMATE.start_main_~y~4 14), 9239#(<= ULTIMATE.start_main_~y~4 15), 9240#(<= ULTIMATE.start_main_~y~4 16), 9241#(<= ULTIMATE.start_main_~y~4 17), 9242#(<= ULTIMATE.start_main_~y~4 18), 9243#(<= ULTIMATE.start_main_~y~4 19), 9244#(<= ULTIMATE.start_main_~y~4 20), 9245#(<= ULTIMATE.start_main_~y~4 21), 9246#(<= ULTIMATE.start_main_~y~4 22), 9247#(<= ULTIMATE.start_main_~y~4 23), 9248#(<= ULTIMATE.start_main_~y~4 24), 9249#(<= ULTIMATE.start_main_~y~4 25), 9250#(<= ULTIMATE.start_main_~y~4 26), 9251#(<= ULTIMATE.start_main_~y~4 27), 9252#(<= ULTIMATE.start_main_~y~4 28), 9253#(<= ULTIMATE.start_main_~y~4 29), 9254#(<= ULTIMATE.start_main_~y~4 30), 9255#(<= ULTIMATE.start_main_~y~4 31), 9256#(<= ULTIMATE.start_main_~y~4 32), 9257#(<= ULTIMATE.start_main_~y~4 33), 9258#(<= ULTIMATE.start_main_~y~4 34), 9259#(<= ULTIMATE.start_main_~y~4 35), 9260#(<= ULTIMATE.start_main_~y~4 36), 9261#(<= ULTIMATE.start_main_~y~4 37), 9262#(<= ULTIMATE.start_main_~y~4 38), 9263#(<= ULTIMATE.start_main_~y~4 39), 9264#(<= ULTIMATE.start_main_~y~4 40), 9265#(<= ULTIMATE.start_main_~y~4 41), 9266#(<= ULTIMATE.start_main_~y~4 42), 9267#(<= ULTIMATE.start_main_~y~4 43), 9268#(<= ULTIMATE.start_main_~y~4 44), 9269#(<= ULTIMATE.start_main_~y~4 45), 9270#(<= ULTIMATE.start_main_~y~4 46), 9271#(<= ULTIMATE.start_main_~y~4 47), 9272#(<= ULTIMATE.start_main_~y~4 48), 9273#(<= ULTIMATE.start_main_~y~4 49), 9274#(<= ULTIMATE.start_main_~y~4 50), 9275#(<= ULTIMATE.start_main_~y~4 51), 9276#(<= ULTIMATE.start_main_~y~4 52), 9277#(<= ULTIMATE.start_main_~y~4 53), 9278#(<= ULTIMATE.start_main_~y~4 54), 9279#(<= ULTIMATE.start_main_~y~4 55), 9280#(<= ULTIMATE.start_main_~y~4 56)] [2018-07-23 13:37:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,786 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:37:34,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:37:34,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:37:34,788 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 59 states. [2018-07-23 13:37:34,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:34,832 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:37:34,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:37:34,832 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 59 [2018-07-23 13:37:34,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:34,833 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:37:34,833 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:37:34,834 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:37:34,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:37:34,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:37:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:37:34,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:37:34,837 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2018-07-23 13:37:34,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:34,837 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:37:34,838 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:37:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:37:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:37:34,838 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:34,838 INFO L357 BasicCegarLoop]: trace histogram [57, 1, 1, 1] [2018-07-23 13:37:34,839 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:34,839 INFO L82 PathProgramCache]: Analyzing trace with hash -713653524, now seen corresponding path program 57 times [2018-07-23 13:37:34,839 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,060 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:35,060 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:37:35,060 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,061 INFO L185 omatonBuilderFactory]: Interpolants [9529#true, 9530#false, 9531#(<= ULTIMATE.start_main_~y~4 0), 9532#(<= ULTIMATE.start_main_~y~4 1), 9533#(<= ULTIMATE.start_main_~y~4 2), 9534#(<= ULTIMATE.start_main_~y~4 3), 9535#(<= ULTIMATE.start_main_~y~4 4), 9536#(<= ULTIMATE.start_main_~y~4 5), 9537#(<= ULTIMATE.start_main_~y~4 6), 9538#(<= ULTIMATE.start_main_~y~4 7), 9539#(<= ULTIMATE.start_main_~y~4 8), 9540#(<= ULTIMATE.start_main_~y~4 9), 9541#(<= ULTIMATE.start_main_~y~4 10), 9542#(<= ULTIMATE.start_main_~y~4 11), 9543#(<= ULTIMATE.start_main_~y~4 12), 9544#(<= ULTIMATE.start_main_~y~4 13), 9545#(<= ULTIMATE.start_main_~y~4 14), 9546#(<= ULTIMATE.start_main_~y~4 15), 9547#(<= ULTIMATE.start_main_~y~4 16), 9548#(<= ULTIMATE.start_main_~y~4 17), 9549#(<= ULTIMATE.start_main_~y~4 18), 9550#(<= ULTIMATE.start_main_~y~4 19), 9551#(<= ULTIMATE.start_main_~y~4 20), 9552#(<= ULTIMATE.start_main_~y~4 21), 9553#(<= ULTIMATE.start_main_~y~4 22), 9554#(<= ULTIMATE.start_main_~y~4 23), 9555#(<= ULTIMATE.start_main_~y~4 24), 9556#(<= ULTIMATE.start_main_~y~4 25), 9557#(<= ULTIMATE.start_main_~y~4 26), 9558#(<= ULTIMATE.start_main_~y~4 27), 9559#(<= ULTIMATE.start_main_~y~4 28), 9560#(<= ULTIMATE.start_main_~y~4 29), 9561#(<= ULTIMATE.start_main_~y~4 30), 9562#(<= ULTIMATE.start_main_~y~4 31), 9563#(<= ULTIMATE.start_main_~y~4 32), 9564#(<= ULTIMATE.start_main_~y~4 33), 9565#(<= ULTIMATE.start_main_~y~4 34), 9566#(<= ULTIMATE.start_main_~y~4 35), 9567#(<= ULTIMATE.start_main_~y~4 36), 9568#(<= ULTIMATE.start_main_~y~4 37), 9569#(<= ULTIMATE.start_main_~y~4 38), 9570#(<= ULTIMATE.start_main_~y~4 39), 9571#(<= ULTIMATE.start_main_~y~4 40), 9572#(<= ULTIMATE.start_main_~y~4 41), 9573#(<= ULTIMATE.start_main_~y~4 42), 9574#(<= ULTIMATE.start_main_~y~4 43), 9575#(<= ULTIMATE.start_main_~y~4 44), 9576#(<= ULTIMATE.start_main_~y~4 45), 9577#(<= ULTIMATE.start_main_~y~4 46), 9578#(<= ULTIMATE.start_main_~y~4 47), 9579#(<= ULTIMATE.start_main_~y~4 48), 9580#(<= ULTIMATE.start_main_~y~4 49), 9581#(<= ULTIMATE.start_main_~y~4 50), 9582#(<= ULTIMATE.start_main_~y~4 51), 9583#(<= ULTIMATE.start_main_~y~4 52), 9584#(<= ULTIMATE.start_main_~y~4 53), 9585#(<= ULTIMATE.start_main_~y~4 54), 9586#(<= ULTIMATE.start_main_~y~4 55), 9587#(<= ULTIMATE.start_main_~y~4 56), 9588#(<= ULTIMATE.start_main_~y~4 57)] [2018-07-23 13:37:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,062 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:37:35,062 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:37:35,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:37:35,063 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 60 states. [2018-07-23 13:37:35,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:35,108 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-07-23 13:37:35,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:37:35,109 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 60 [2018-07-23 13:37:35,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:35,109 INFO L225 Difference]: With dead ends: 64 [2018-07-23 13:37:35,110 INFO L226 Difference]: Without dead ends: 62 [2018-07-23 13:37:35,111 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:37:35,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-23 13:37:35,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-07-23 13:37:35,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-07-23 13:37:35,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-07-23 13:37:35,115 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2018-07-23 13:37:35,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:35,115 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-07-23 13:37:35,115 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:37:35,115 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-07-23 13:37:35,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-23 13:37:35,116 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:35,116 INFO L357 BasicCegarLoop]: trace histogram [58, 1, 1, 1] [2018-07-23 13:37:35,116 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:35,116 INFO L82 PathProgramCache]: Analyzing trace with hash -648420957, now seen corresponding path program 58 times [2018-07-23 13:37:35,116 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,333 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:35,333 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:37:35,333 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:35,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,334 INFO L185 omatonBuilderFactory]: Interpolants [9856#(<= ULTIMATE.start_main_~y~4 13), 9857#(<= ULTIMATE.start_main_~y~4 14), 9858#(<= ULTIMATE.start_main_~y~4 15), 9859#(<= ULTIMATE.start_main_~y~4 16), 9860#(<= ULTIMATE.start_main_~y~4 17), 9861#(<= ULTIMATE.start_main_~y~4 18), 9862#(<= ULTIMATE.start_main_~y~4 19), 9863#(<= ULTIMATE.start_main_~y~4 20), 9864#(<= ULTIMATE.start_main_~y~4 21), 9865#(<= ULTIMATE.start_main_~y~4 22), 9866#(<= ULTIMATE.start_main_~y~4 23), 9867#(<= ULTIMATE.start_main_~y~4 24), 9868#(<= ULTIMATE.start_main_~y~4 25), 9869#(<= ULTIMATE.start_main_~y~4 26), 9870#(<= ULTIMATE.start_main_~y~4 27), 9871#(<= ULTIMATE.start_main_~y~4 28), 9872#(<= ULTIMATE.start_main_~y~4 29), 9873#(<= ULTIMATE.start_main_~y~4 30), 9874#(<= ULTIMATE.start_main_~y~4 31), 9875#(<= ULTIMATE.start_main_~y~4 32), 9876#(<= ULTIMATE.start_main_~y~4 33), 9877#(<= ULTIMATE.start_main_~y~4 34), 9878#(<= ULTIMATE.start_main_~y~4 35), 9879#(<= ULTIMATE.start_main_~y~4 36), 9880#(<= ULTIMATE.start_main_~y~4 37), 9881#(<= ULTIMATE.start_main_~y~4 38), 9882#(<= ULTIMATE.start_main_~y~4 39), 9883#(<= ULTIMATE.start_main_~y~4 40), 9884#(<= ULTIMATE.start_main_~y~4 41), 9885#(<= ULTIMATE.start_main_~y~4 42), 9886#(<= ULTIMATE.start_main_~y~4 43), 9887#(<= ULTIMATE.start_main_~y~4 44), 9888#(<= ULTIMATE.start_main_~y~4 45), 9889#(<= ULTIMATE.start_main_~y~4 46), 9890#(<= ULTIMATE.start_main_~y~4 47), 9891#(<= ULTIMATE.start_main_~y~4 48), 9892#(<= ULTIMATE.start_main_~y~4 49), 9893#(<= ULTIMATE.start_main_~y~4 50), 9894#(<= ULTIMATE.start_main_~y~4 51), 9895#(<= ULTIMATE.start_main_~y~4 52), 9896#(<= ULTIMATE.start_main_~y~4 53), 9897#(<= ULTIMATE.start_main_~y~4 54), 9898#(<= ULTIMATE.start_main_~y~4 55), 9899#(<= ULTIMATE.start_main_~y~4 56), 9900#(<= ULTIMATE.start_main_~y~4 57), 9901#(<= ULTIMATE.start_main_~y~4 58), 9841#true, 9842#false, 9843#(<= ULTIMATE.start_main_~y~4 0), 9844#(<= ULTIMATE.start_main_~y~4 1), 9845#(<= ULTIMATE.start_main_~y~4 2), 9846#(<= ULTIMATE.start_main_~y~4 3), 9847#(<= ULTIMATE.start_main_~y~4 4), 9848#(<= ULTIMATE.start_main_~y~4 5), 9849#(<= ULTIMATE.start_main_~y~4 6), 9850#(<= ULTIMATE.start_main_~y~4 7), 9851#(<= ULTIMATE.start_main_~y~4 8), 9852#(<= ULTIMATE.start_main_~y~4 9), 9853#(<= ULTIMATE.start_main_~y~4 10), 9854#(<= ULTIMATE.start_main_~y~4 11), 9855#(<= ULTIMATE.start_main_~y~4 12)] [2018-07-23 13:37:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,334 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:37:35,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:37:35,336 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:37:35,336 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 61 states. [2018-07-23 13:37:35,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:35,370 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:37:35,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:37:35,370 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 61 [2018-07-23 13:37:35,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:35,371 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:37:35,371 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:37:35,372 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:37:35,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:37:35,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:37:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:37:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:37:35,375 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2018-07-23 13:37:35,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:35,375 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:37:35,375 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:37:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:37:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:37:35,376 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:35,376 INFO L357 BasicCegarLoop]: trace histogram [59, 1, 1, 1] [2018-07-23 13:37:35,376 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:35,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1373788620, now seen corresponding path program 59 times [2018-07-23 13:37:35,377 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,589 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:35,589 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:37:35,589 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,590 INFO L185 omatonBuilderFactory]: Interpolants [10158#true, 10159#false, 10160#(<= ULTIMATE.start_main_~y~4 0), 10161#(<= ULTIMATE.start_main_~y~4 1), 10162#(<= ULTIMATE.start_main_~y~4 2), 10163#(<= ULTIMATE.start_main_~y~4 3), 10164#(<= ULTIMATE.start_main_~y~4 4), 10165#(<= ULTIMATE.start_main_~y~4 5), 10166#(<= ULTIMATE.start_main_~y~4 6), 10167#(<= ULTIMATE.start_main_~y~4 7), 10168#(<= ULTIMATE.start_main_~y~4 8), 10169#(<= ULTIMATE.start_main_~y~4 9), 10170#(<= ULTIMATE.start_main_~y~4 10), 10171#(<= ULTIMATE.start_main_~y~4 11), 10172#(<= ULTIMATE.start_main_~y~4 12), 10173#(<= ULTIMATE.start_main_~y~4 13), 10174#(<= ULTIMATE.start_main_~y~4 14), 10175#(<= ULTIMATE.start_main_~y~4 15), 10176#(<= ULTIMATE.start_main_~y~4 16), 10177#(<= ULTIMATE.start_main_~y~4 17), 10178#(<= ULTIMATE.start_main_~y~4 18), 10179#(<= ULTIMATE.start_main_~y~4 19), 10180#(<= ULTIMATE.start_main_~y~4 20), 10181#(<= ULTIMATE.start_main_~y~4 21), 10182#(<= ULTIMATE.start_main_~y~4 22), 10183#(<= ULTIMATE.start_main_~y~4 23), 10184#(<= ULTIMATE.start_main_~y~4 24), 10185#(<= ULTIMATE.start_main_~y~4 25), 10186#(<= ULTIMATE.start_main_~y~4 26), 10187#(<= ULTIMATE.start_main_~y~4 27), 10188#(<= ULTIMATE.start_main_~y~4 28), 10189#(<= ULTIMATE.start_main_~y~4 29), 10190#(<= ULTIMATE.start_main_~y~4 30), 10191#(<= ULTIMATE.start_main_~y~4 31), 10192#(<= ULTIMATE.start_main_~y~4 32), 10193#(<= ULTIMATE.start_main_~y~4 33), 10194#(<= ULTIMATE.start_main_~y~4 34), 10195#(<= ULTIMATE.start_main_~y~4 35), 10196#(<= ULTIMATE.start_main_~y~4 36), 10197#(<= ULTIMATE.start_main_~y~4 37), 10198#(<= ULTIMATE.start_main_~y~4 38), 10199#(<= ULTIMATE.start_main_~y~4 39), 10200#(<= ULTIMATE.start_main_~y~4 40), 10201#(<= ULTIMATE.start_main_~y~4 41), 10202#(<= ULTIMATE.start_main_~y~4 42), 10203#(<= ULTIMATE.start_main_~y~4 43), 10204#(<= ULTIMATE.start_main_~y~4 44), 10205#(<= ULTIMATE.start_main_~y~4 45), 10206#(<= ULTIMATE.start_main_~y~4 46), 10207#(<= ULTIMATE.start_main_~y~4 47), 10208#(<= ULTIMATE.start_main_~y~4 48), 10209#(<= ULTIMATE.start_main_~y~4 49), 10210#(<= ULTIMATE.start_main_~y~4 50), 10211#(<= ULTIMATE.start_main_~y~4 51), 10212#(<= ULTIMATE.start_main_~y~4 52), 10213#(<= ULTIMATE.start_main_~y~4 53), 10214#(<= ULTIMATE.start_main_~y~4 54), 10215#(<= ULTIMATE.start_main_~y~4 55), 10216#(<= ULTIMATE.start_main_~y~4 56), 10217#(<= ULTIMATE.start_main_~y~4 57), 10218#(<= ULTIMATE.start_main_~y~4 58), 10219#(<= ULTIMATE.start_main_~y~4 59)] [2018-07-23 13:37:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,590 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:37:35,591 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:37:35,592 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:37:35,592 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 62 states. [2018-07-23 13:37:35,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:35,634 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-07-23 13:37:35,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:37:35,634 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 62 [2018-07-23 13:37:35,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:35,635 INFO L225 Difference]: With dead ends: 66 [2018-07-23 13:37:35,635 INFO L226 Difference]: Without dead ends: 64 [2018-07-23 13:37:35,636 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:37:35,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-07-23 13:37:35,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-07-23 13:37:35,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-07-23 13:37:35,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-07-23 13:37:35,639 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2018-07-23 13:37:35,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:35,639 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-07-23 13:37:35,639 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:37:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-07-23 13:37:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-23 13:37:35,640 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:35,640 INFO L357 BasicCegarLoop]: trace histogram [60, 1, 1, 1] [2018-07-23 13:37:35,640 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:35,640 INFO L82 PathProgramCache]: Analyzing trace with hash -362223933, now seen corresponding path program 60 times [2018-07-23 13:37:35,640 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,856 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:35,856 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:37:35,856 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,857 INFO L185 omatonBuilderFactory]: Interpolants [10496#(<= ULTIMATE.start_main_~y~4 14), 10497#(<= ULTIMATE.start_main_~y~4 15), 10498#(<= ULTIMATE.start_main_~y~4 16), 10499#(<= ULTIMATE.start_main_~y~4 17), 10500#(<= ULTIMATE.start_main_~y~4 18), 10501#(<= ULTIMATE.start_main_~y~4 19), 10502#(<= ULTIMATE.start_main_~y~4 20), 10503#(<= ULTIMATE.start_main_~y~4 21), 10504#(<= ULTIMATE.start_main_~y~4 22), 10505#(<= ULTIMATE.start_main_~y~4 23), 10506#(<= ULTIMATE.start_main_~y~4 24), 10507#(<= ULTIMATE.start_main_~y~4 25), 10508#(<= ULTIMATE.start_main_~y~4 26), 10509#(<= ULTIMATE.start_main_~y~4 27), 10510#(<= ULTIMATE.start_main_~y~4 28), 10511#(<= ULTIMATE.start_main_~y~4 29), 10512#(<= ULTIMATE.start_main_~y~4 30), 10513#(<= ULTIMATE.start_main_~y~4 31), 10514#(<= ULTIMATE.start_main_~y~4 32), 10515#(<= ULTIMATE.start_main_~y~4 33), 10516#(<= ULTIMATE.start_main_~y~4 34), 10517#(<= ULTIMATE.start_main_~y~4 35), 10518#(<= ULTIMATE.start_main_~y~4 36), 10519#(<= ULTIMATE.start_main_~y~4 37), 10520#(<= ULTIMATE.start_main_~y~4 38), 10521#(<= ULTIMATE.start_main_~y~4 39), 10522#(<= ULTIMATE.start_main_~y~4 40), 10523#(<= ULTIMATE.start_main_~y~4 41), 10524#(<= ULTIMATE.start_main_~y~4 42), 10525#(<= ULTIMATE.start_main_~y~4 43), 10526#(<= ULTIMATE.start_main_~y~4 44), 10527#(<= ULTIMATE.start_main_~y~4 45), 10528#(<= ULTIMATE.start_main_~y~4 46), 10529#(<= ULTIMATE.start_main_~y~4 47), 10530#(<= ULTIMATE.start_main_~y~4 48), 10531#(<= ULTIMATE.start_main_~y~4 49), 10532#(<= ULTIMATE.start_main_~y~4 50), 10533#(<= ULTIMATE.start_main_~y~4 51), 10534#(<= ULTIMATE.start_main_~y~4 52), 10535#(<= ULTIMATE.start_main_~y~4 53), 10536#(<= ULTIMATE.start_main_~y~4 54), 10537#(<= ULTIMATE.start_main_~y~4 55), 10538#(<= ULTIMATE.start_main_~y~4 56), 10539#(<= ULTIMATE.start_main_~y~4 57), 10540#(<= ULTIMATE.start_main_~y~4 58), 10541#(<= ULTIMATE.start_main_~y~4 59), 10542#(<= ULTIMATE.start_main_~y~4 60), 10480#true, 10481#false, 10482#(<= ULTIMATE.start_main_~y~4 0), 10483#(<= ULTIMATE.start_main_~y~4 1), 10484#(<= ULTIMATE.start_main_~y~4 2), 10485#(<= ULTIMATE.start_main_~y~4 3), 10486#(<= ULTIMATE.start_main_~y~4 4), 10487#(<= ULTIMATE.start_main_~y~4 5), 10488#(<= ULTIMATE.start_main_~y~4 6), 10489#(<= ULTIMATE.start_main_~y~4 7), 10490#(<= ULTIMATE.start_main_~y~4 8), 10491#(<= ULTIMATE.start_main_~y~4 9), 10492#(<= ULTIMATE.start_main_~y~4 10), 10493#(<= ULTIMATE.start_main_~y~4 11), 10494#(<= ULTIMATE.start_main_~y~4 12), 10495#(<= ULTIMATE.start_main_~y~4 13)] [2018-07-23 13:37:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,857 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:37:35,858 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:37:35,859 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:37:35,859 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 63 states. [2018-07-23 13:37:35,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:35,895 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:37:35,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:37:35,895 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 63 [2018-07-23 13:37:35,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:35,896 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:37:35,896 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:37:35,897 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:37:35,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:37:35,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:37:35,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:37:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:37:35,899 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2018-07-23 13:37:35,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:35,900 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:37:35,900 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:37:35,900 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:37:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:37:35,900 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:35,901 INFO L357 BasicCegarLoop]: trace histogram [61, 1, 1, 1] [2018-07-23 13:37:35,901 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:35,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1655961772, now seen corresponding path program 61 times [2018-07-23 13:37:35,901 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,111 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:36,111 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:37:36,111 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,112 INFO L185 omatonBuilderFactory]: Interpolants [10807#true, 10808#false, 10809#(<= ULTIMATE.start_main_~y~4 0), 10810#(<= ULTIMATE.start_main_~y~4 1), 10811#(<= ULTIMATE.start_main_~y~4 2), 10812#(<= ULTIMATE.start_main_~y~4 3), 10813#(<= ULTIMATE.start_main_~y~4 4), 10814#(<= ULTIMATE.start_main_~y~4 5), 10815#(<= ULTIMATE.start_main_~y~4 6), 10816#(<= ULTIMATE.start_main_~y~4 7), 10817#(<= ULTIMATE.start_main_~y~4 8), 10818#(<= ULTIMATE.start_main_~y~4 9), 10819#(<= ULTIMATE.start_main_~y~4 10), 10820#(<= ULTIMATE.start_main_~y~4 11), 10821#(<= ULTIMATE.start_main_~y~4 12), 10822#(<= ULTIMATE.start_main_~y~4 13), 10823#(<= ULTIMATE.start_main_~y~4 14), 10824#(<= ULTIMATE.start_main_~y~4 15), 10825#(<= ULTIMATE.start_main_~y~4 16), 10826#(<= ULTIMATE.start_main_~y~4 17), 10827#(<= ULTIMATE.start_main_~y~4 18), 10828#(<= ULTIMATE.start_main_~y~4 19), 10829#(<= ULTIMATE.start_main_~y~4 20), 10830#(<= ULTIMATE.start_main_~y~4 21), 10831#(<= ULTIMATE.start_main_~y~4 22), 10832#(<= ULTIMATE.start_main_~y~4 23), 10833#(<= ULTIMATE.start_main_~y~4 24), 10834#(<= ULTIMATE.start_main_~y~4 25), 10835#(<= ULTIMATE.start_main_~y~4 26), 10836#(<= ULTIMATE.start_main_~y~4 27), 10837#(<= ULTIMATE.start_main_~y~4 28), 10838#(<= ULTIMATE.start_main_~y~4 29), 10839#(<= ULTIMATE.start_main_~y~4 30), 10840#(<= ULTIMATE.start_main_~y~4 31), 10841#(<= ULTIMATE.start_main_~y~4 32), 10842#(<= ULTIMATE.start_main_~y~4 33), 10843#(<= ULTIMATE.start_main_~y~4 34), 10844#(<= ULTIMATE.start_main_~y~4 35), 10845#(<= ULTIMATE.start_main_~y~4 36), 10846#(<= ULTIMATE.start_main_~y~4 37), 10847#(<= ULTIMATE.start_main_~y~4 38), 10848#(<= ULTIMATE.start_main_~y~4 39), 10849#(<= ULTIMATE.start_main_~y~4 40), 10850#(<= ULTIMATE.start_main_~y~4 41), 10851#(<= ULTIMATE.start_main_~y~4 42), 10852#(<= ULTIMATE.start_main_~y~4 43), 10853#(<= ULTIMATE.start_main_~y~4 44), 10854#(<= ULTIMATE.start_main_~y~4 45), 10855#(<= ULTIMATE.start_main_~y~4 46), 10856#(<= ULTIMATE.start_main_~y~4 47), 10857#(<= ULTIMATE.start_main_~y~4 48), 10858#(<= ULTIMATE.start_main_~y~4 49), 10859#(<= ULTIMATE.start_main_~y~4 50), 10860#(<= ULTIMATE.start_main_~y~4 51), 10861#(<= ULTIMATE.start_main_~y~4 52), 10862#(<= ULTIMATE.start_main_~y~4 53), 10863#(<= ULTIMATE.start_main_~y~4 54), 10864#(<= ULTIMATE.start_main_~y~4 55), 10865#(<= ULTIMATE.start_main_~y~4 56), 10866#(<= ULTIMATE.start_main_~y~4 57), 10867#(<= ULTIMATE.start_main_~y~4 58), 10868#(<= ULTIMATE.start_main_~y~4 59), 10869#(<= ULTIMATE.start_main_~y~4 60), 10870#(<= ULTIMATE.start_main_~y~4 61)] [2018-07-23 13:37:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,112 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:37:36,113 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:37:36,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:37:36,114 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 64 states. [2018-07-23 13:37:36,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:36,156 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-07-23 13:37:36,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:37:36,156 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 64 [2018-07-23 13:37:36,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:36,157 INFO L225 Difference]: With dead ends: 68 [2018-07-23 13:37:36,157 INFO L226 Difference]: Without dead ends: 66 [2018-07-23 13:37:36,158 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:37:36,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-07-23 13:37:36,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-07-23 13:37:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-07-23 13:37:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-07-23 13:37:36,161 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2018-07-23 13:37:36,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:36,162 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-07-23 13:37:36,162 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:37:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-07-23 13:37:36,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-07-23 13:37:36,163 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:36,163 INFO L357 BasicCegarLoop]: trace histogram [62, 1, 1, 1] [2018-07-23 13:37:36,163 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:36,163 INFO L82 PathProgramCache]: Analyzing trace with hash -204790813, now seen corresponding path program 62 times [2018-07-23 13:37:36,163 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:36,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,372 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:36,373 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:37:36,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:36,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,373 INFO L185 omatonBuilderFactory]: Interpolants [11139#true, 11140#false, 11141#(<= ULTIMATE.start_main_~y~4 0), 11142#(<= ULTIMATE.start_main_~y~4 1), 11143#(<= ULTIMATE.start_main_~y~4 2), 11144#(<= ULTIMATE.start_main_~y~4 3), 11145#(<= ULTIMATE.start_main_~y~4 4), 11146#(<= ULTIMATE.start_main_~y~4 5), 11147#(<= ULTIMATE.start_main_~y~4 6), 11148#(<= ULTIMATE.start_main_~y~4 7), 11149#(<= ULTIMATE.start_main_~y~4 8), 11150#(<= ULTIMATE.start_main_~y~4 9), 11151#(<= ULTIMATE.start_main_~y~4 10), 11152#(<= ULTIMATE.start_main_~y~4 11), 11153#(<= ULTIMATE.start_main_~y~4 12), 11154#(<= ULTIMATE.start_main_~y~4 13), 11155#(<= ULTIMATE.start_main_~y~4 14), 11156#(<= ULTIMATE.start_main_~y~4 15), 11157#(<= ULTIMATE.start_main_~y~4 16), 11158#(<= ULTIMATE.start_main_~y~4 17), 11159#(<= ULTIMATE.start_main_~y~4 18), 11160#(<= ULTIMATE.start_main_~y~4 19), 11161#(<= ULTIMATE.start_main_~y~4 20), 11162#(<= ULTIMATE.start_main_~y~4 21), 11163#(<= ULTIMATE.start_main_~y~4 22), 11164#(<= ULTIMATE.start_main_~y~4 23), 11165#(<= ULTIMATE.start_main_~y~4 24), 11166#(<= ULTIMATE.start_main_~y~4 25), 11167#(<= ULTIMATE.start_main_~y~4 26), 11168#(<= ULTIMATE.start_main_~y~4 27), 11169#(<= ULTIMATE.start_main_~y~4 28), 11170#(<= ULTIMATE.start_main_~y~4 29), 11171#(<= ULTIMATE.start_main_~y~4 30), 11172#(<= ULTIMATE.start_main_~y~4 31), 11173#(<= ULTIMATE.start_main_~y~4 32), 11174#(<= ULTIMATE.start_main_~y~4 33), 11175#(<= ULTIMATE.start_main_~y~4 34), 11176#(<= ULTIMATE.start_main_~y~4 35), 11177#(<= ULTIMATE.start_main_~y~4 36), 11178#(<= ULTIMATE.start_main_~y~4 37), 11179#(<= ULTIMATE.start_main_~y~4 38), 11180#(<= ULTIMATE.start_main_~y~4 39), 11181#(<= ULTIMATE.start_main_~y~4 40), 11182#(<= ULTIMATE.start_main_~y~4 41), 11183#(<= ULTIMATE.start_main_~y~4 42), 11184#(<= ULTIMATE.start_main_~y~4 43), 11185#(<= ULTIMATE.start_main_~y~4 44), 11186#(<= ULTIMATE.start_main_~y~4 45), 11187#(<= ULTIMATE.start_main_~y~4 46), 11188#(<= ULTIMATE.start_main_~y~4 47), 11189#(<= ULTIMATE.start_main_~y~4 48), 11190#(<= ULTIMATE.start_main_~y~4 49), 11191#(<= ULTIMATE.start_main_~y~4 50), 11192#(<= ULTIMATE.start_main_~y~4 51), 11193#(<= ULTIMATE.start_main_~y~4 52), 11194#(<= ULTIMATE.start_main_~y~4 53), 11195#(<= ULTIMATE.start_main_~y~4 54), 11196#(<= ULTIMATE.start_main_~y~4 55), 11197#(<= ULTIMATE.start_main_~y~4 56), 11198#(<= ULTIMATE.start_main_~y~4 57), 11199#(<= ULTIMATE.start_main_~y~4 58), 11200#(<= ULTIMATE.start_main_~y~4 59), 11201#(<= ULTIMATE.start_main_~y~4 60), 11202#(<= ULTIMATE.start_main_~y~4 61), 11203#(<= ULTIMATE.start_main_~y~4 62)] [2018-07-23 13:37:36,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,374 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:37:36,376 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:37:36,377 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:37:36,378 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 65 states. [2018-07-23 13:37:36,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:36,423 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:37:36,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:37:36,423 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 65 [2018-07-23 13:37:36,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:36,424 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:37:36,424 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:37:36,424 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:37:36,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:37:36,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:37:36,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:37:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:37:36,427 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2018-07-23 13:37:36,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:36,428 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:37:36,428 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:37:36,428 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:37:36,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:37:36,428 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:36,428 INFO L357 BasicCegarLoop]: trace histogram [63, 1, 1, 1] [2018-07-23 13:37:36,429 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:36,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2053546100, now seen corresponding path program 63 times [2018-07-23 13:37:36,429 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,649 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:36,649 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:37:36,649 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,650 INFO L185 omatonBuilderFactory]: Interpolants [11520#(<= ULTIMATE.start_main_~y~4 42), 11521#(<= ULTIMATE.start_main_~y~4 43), 11522#(<= ULTIMATE.start_main_~y~4 44), 11523#(<= ULTIMATE.start_main_~y~4 45), 11524#(<= ULTIMATE.start_main_~y~4 46), 11525#(<= ULTIMATE.start_main_~y~4 47), 11526#(<= ULTIMATE.start_main_~y~4 48), 11527#(<= ULTIMATE.start_main_~y~4 49), 11528#(<= ULTIMATE.start_main_~y~4 50), 11529#(<= ULTIMATE.start_main_~y~4 51), 11530#(<= ULTIMATE.start_main_~y~4 52), 11531#(<= ULTIMATE.start_main_~y~4 53), 11532#(<= ULTIMATE.start_main_~y~4 54), 11533#(<= ULTIMATE.start_main_~y~4 55), 11534#(<= ULTIMATE.start_main_~y~4 56), 11535#(<= ULTIMATE.start_main_~y~4 57), 11536#(<= ULTIMATE.start_main_~y~4 58), 11537#(<= ULTIMATE.start_main_~y~4 59), 11538#(<= ULTIMATE.start_main_~y~4 60), 11539#(<= ULTIMATE.start_main_~y~4 61), 11540#(<= ULTIMATE.start_main_~y~4 62), 11541#(<= ULTIMATE.start_main_~y~4 63), 11476#true, 11477#false, 11478#(<= ULTIMATE.start_main_~y~4 0), 11479#(<= ULTIMATE.start_main_~y~4 1), 11480#(<= ULTIMATE.start_main_~y~4 2), 11481#(<= ULTIMATE.start_main_~y~4 3), 11482#(<= ULTIMATE.start_main_~y~4 4), 11483#(<= ULTIMATE.start_main_~y~4 5), 11484#(<= ULTIMATE.start_main_~y~4 6), 11485#(<= ULTIMATE.start_main_~y~4 7), 11486#(<= ULTIMATE.start_main_~y~4 8), 11487#(<= ULTIMATE.start_main_~y~4 9), 11488#(<= ULTIMATE.start_main_~y~4 10), 11489#(<= ULTIMATE.start_main_~y~4 11), 11490#(<= ULTIMATE.start_main_~y~4 12), 11491#(<= ULTIMATE.start_main_~y~4 13), 11492#(<= ULTIMATE.start_main_~y~4 14), 11493#(<= ULTIMATE.start_main_~y~4 15), 11494#(<= ULTIMATE.start_main_~y~4 16), 11495#(<= ULTIMATE.start_main_~y~4 17), 11496#(<= ULTIMATE.start_main_~y~4 18), 11497#(<= ULTIMATE.start_main_~y~4 19), 11498#(<= ULTIMATE.start_main_~y~4 20), 11499#(<= ULTIMATE.start_main_~y~4 21), 11500#(<= ULTIMATE.start_main_~y~4 22), 11501#(<= ULTIMATE.start_main_~y~4 23), 11502#(<= ULTIMATE.start_main_~y~4 24), 11503#(<= ULTIMATE.start_main_~y~4 25), 11504#(<= ULTIMATE.start_main_~y~4 26), 11505#(<= ULTIMATE.start_main_~y~4 27), 11506#(<= ULTIMATE.start_main_~y~4 28), 11507#(<= ULTIMATE.start_main_~y~4 29), 11508#(<= ULTIMATE.start_main_~y~4 30), 11509#(<= ULTIMATE.start_main_~y~4 31), 11510#(<= ULTIMATE.start_main_~y~4 32), 11511#(<= ULTIMATE.start_main_~y~4 33), 11512#(<= ULTIMATE.start_main_~y~4 34), 11513#(<= ULTIMATE.start_main_~y~4 35), 11514#(<= ULTIMATE.start_main_~y~4 36), 11515#(<= ULTIMATE.start_main_~y~4 37), 11516#(<= ULTIMATE.start_main_~y~4 38), 11517#(<= ULTIMATE.start_main_~y~4 39), 11518#(<= ULTIMATE.start_main_~y~4 40), 11519#(<= ULTIMATE.start_main_~y~4 41)] [2018-07-23 13:37:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,651 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:37:36,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:37:36,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:37:36,652 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 66 states. [2018-07-23 13:37:36,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:36,683 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-07-23 13:37:36,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:37:36,683 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 66 [2018-07-23 13:37:36,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:36,684 INFO L225 Difference]: With dead ends: 70 [2018-07-23 13:37:36,684 INFO L226 Difference]: Without dead ends: 68 [2018-07-23 13:37:36,685 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:37:36,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-07-23 13:37:36,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-07-23 13:37:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-07-23 13:37:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-07-23 13:37:36,688 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2018-07-23 13:37:36,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:36,688 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-07-23 13:37:36,688 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:37:36,688 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-07-23 13:37:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-07-23 13:37:36,689 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:36,689 INFO L357 BasicCegarLoop]: trace histogram [64, 1, 1, 1] [2018-07-23 13:37:36,689 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:36,690 INFO L82 PathProgramCache]: Analyzing trace with hash 764582147, now seen corresponding path program 64 times [2018-07-23 13:37:36,690 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,917 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:36,917 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:37:36,918 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,918 INFO L185 omatonBuilderFactory]: Interpolants [11818#true, 11819#false, 11820#(<= ULTIMATE.start_main_~y~4 0), 11821#(<= ULTIMATE.start_main_~y~4 1), 11822#(<= ULTIMATE.start_main_~y~4 2), 11823#(<= ULTIMATE.start_main_~y~4 3), 11824#(<= ULTIMATE.start_main_~y~4 4), 11825#(<= ULTIMATE.start_main_~y~4 5), 11826#(<= ULTIMATE.start_main_~y~4 6), 11827#(<= ULTIMATE.start_main_~y~4 7), 11828#(<= ULTIMATE.start_main_~y~4 8), 11829#(<= ULTIMATE.start_main_~y~4 9), 11830#(<= ULTIMATE.start_main_~y~4 10), 11831#(<= ULTIMATE.start_main_~y~4 11), 11832#(<= ULTIMATE.start_main_~y~4 12), 11833#(<= ULTIMATE.start_main_~y~4 13), 11834#(<= ULTIMATE.start_main_~y~4 14), 11835#(<= ULTIMATE.start_main_~y~4 15), 11836#(<= ULTIMATE.start_main_~y~4 16), 11837#(<= ULTIMATE.start_main_~y~4 17), 11838#(<= ULTIMATE.start_main_~y~4 18), 11839#(<= ULTIMATE.start_main_~y~4 19), 11840#(<= ULTIMATE.start_main_~y~4 20), 11841#(<= ULTIMATE.start_main_~y~4 21), 11842#(<= ULTIMATE.start_main_~y~4 22), 11843#(<= ULTIMATE.start_main_~y~4 23), 11844#(<= ULTIMATE.start_main_~y~4 24), 11845#(<= ULTIMATE.start_main_~y~4 25), 11846#(<= ULTIMATE.start_main_~y~4 26), 11847#(<= ULTIMATE.start_main_~y~4 27), 11848#(<= ULTIMATE.start_main_~y~4 28), 11849#(<= ULTIMATE.start_main_~y~4 29), 11850#(<= ULTIMATE.start_main_~y~4 30), 11851#(<= ULTIMATE.start_main_~y~4 31), 11852#(<= ULTIMATE.start_main_~y~4 32), 11853#(<= ULTIMATE.start_main_~y~4 33), 11854#(<= ULTIMATE.start_main_~y~4 34), 11855#(<= ULTIMATE.start_main_~y~4 35), 11856#(<= ULTIMATE.start_main_~y~4 36), 11857#(<= ULTIMATE.start_main_~y~4 37), 11858#(<= ULTIMATE.start_main_~y~4 38), 11859#(<= ULTIMATE.start_main_~y~4 39), 11860#(<= ULTIMATE.start_main_~y~4 40), 11861#(<= ULTIMATE.start_main_~y~4 41), 11862#(<= ULTIMATE.start_main_~y~4 42), 11863#(<= ULTIMATE.start_main_~y~4 43), 11864#(<= ULTIMATE.start_main_~y~4 44), 11865#(<= ULTIMATE.start_main_~y~4 45), 11866#(<= ULTIMATE.start_main_~y~4 46), 11867#(<= ULTIMATE.start_main_~y~4 47), 11868#(<= ULTIMATE.start_main_~y~4 48), 11869#(<= ULTIMATE.start_main_~y~4 49), 11870#(<= ULTIMATE.start_main_~y~4 50), 11871#(<= ULTIMATE.start_main_~y~4 51), 11872#(<= ULTIMATE.start_main_~y~4 52), 11873#(<= ULTIMATE.start_main_~y~4 53), 11874#(<= ULTIMATE.start_main_~y~4 54), 11875#(<= ULTIMATE.start_main_~y~4 55), 11876#(<= ULTIMATE.start_main_~y~4 56), 11877#(<= ULTIMATE.start_main_~y~4 57), 11878#(<= ULTIMATE.start_main_~y~4 58), 11879#(<= ULTIMATE.start_main_~y~4 59), 11880#(<= ULTIMATE.start_main_~y~4 60), 11881#(<= ULTIMATE.start_main_~y~4 61), 11882#(<= ULTIMATE.start_main_~y~4 62), 11883#(<= ULTIMATE.start_main_~y~4 63), 11884#(<= ULTIMATE.start_main_~y~4 64)] [2018-07-23 13:37:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,919 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:37:36,920 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:37:36,920 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:37:36,920 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 67 states. [2018-07-23 13:37:36,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:36,964 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:37:36,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:37:36,964 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 67 [2018-07-23 13:37:36,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:36,965 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:37:36,965 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:37:36,966 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:37:36,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:37:36,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:37:36,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:37:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:37:36,969 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2018-07-23 13:37:36,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:36,969 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:37:36,969 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:37:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:37:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:37:36,970 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:36,970 INFO L357 BasicCegarLoop]: trace histogram [65, 1, 1, 1] [2018-07-23 13:37:36,970 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:36,970 INFO L82 PathProgramCache]: Analyzing trace with hash -2067755412, now seen corresponding path program 65 times [2018-07-23 13:37:36,971 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,258 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:37,258 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:37:37,258 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,259 INFO L185 omatonBuilderFactory]: Interpolants [12165#true, 12166#false, 12167#(<= ULTIMATE.start_main_~y~4 0), 12168#(<= ULTIMATE.start_main_~y~4 1), 12169#(<= ULTIMATE.start_main_~y~4 2), 12170#(<= ULTIMATE.start_main_~y~4 3), 12171#(<= ULTIMATE.start_main_~y~4 4), 12172#(<= ULTIMATE.start_main_~y~4 5), 12173#(<= ULTIMATE.start_main_~y~4 6), 12174#(<= ULTIMATE.start_main_~y~4 7), 12175#(<= ULTIMATE.start_main_~y~4 8), 12176#(<= ULTIMATE.start_main_~y~4 9), 12177#(<= ULTIMATE.start_main_~y~4 10), 12178#(<= ULTIMATE.start_main_~y~4 11), 12179#(<= ULTIMATE.start_main_~y~4 12), 12180#(<= ULTIMATE.start_main_~y~4 13), 12181#(<= ULTIMATE.start_main_~y~4 14), 12182#(<= ULTIMATE.start_main_~y~4 15), 12183#(<= ULTIMATE.start_main_~y~4 16), 12184#(<= ULTIMATE.start_main_~y~4 17), 12185#(<= ULTIMATE.start_main_~y~4 18), 12186#(<= ULTIMATE.start_main_~y~4 19), 12187#(<= ULTIMATE.start_main_~y~4 20), 12188#(<= ULTIMATE.start_main_~y~4 21), 12189#(<= ULTIMATE.start_main_~y~4 22), 12190#(<= ULTIMATE.start_main_~y~4 23), 12191#(<= ULTIMATE.start_main_~y~4 24), 12192#(<= ULTIMATE.start_main_~y~4 25), 12193#(<= ULTIMATE.start_main_~y~4 26), 12194#(<= ULTIMATE.start_main_~y~4 27), 12195#(<= ULTIMATE.start_main_~y~4 28), 12196#(<= ULTIMATE.start_main_~y~4 29), 12197#(<= ULTIMATE.start_main_~y~4 30), 12198#(<= ULTIMATE.start_main_~y~4 31), 12199#(<= ULTIMATE.start_main_~y~4 32), 12200#(<= ULTIMATE.start_main_~y~4 33), 12201#(<= ULTIMATE.start_main_~y~4 34), 12202#(<= ULTIMATE.start_main_~y~4 35), 12203#(<= ULTIMATE.start_main_~y~4 36), 12204#(<= ULTIMATE.start_main_~y~4 37), 12205#(<= ULTIMATE.start_main_~y~4 38), 12206#(<= ULTIMATE.start_main_~y~4 39), 12207#(<= ULTIMATE.start_main_~y~4 40), 12208#(<= ULTIMATE.start_main_~y~4 41), 12209#(<= ULTIMATE.start_main_~y~4 42), 12210#(<= ULTIMATE.start_main_~y~4 43), 12211#(<= ULTIMATE.start_main_~y~4 44), 12212#(<= ULTIMATE.start_main_~y~4 45), 12213#(<= ULTIMATE.start_main_~y~4 46), 12214#(<= ULTIMATE.start_main_~y~4 47), 12215#(<= ULTIMATE.start_main_~y~4 48), 12216#(<= ULTIMATE.start_main_~y~4 49), 12217#(<= ULTIMATE.start_main_~y~4 50), 12218#(<= ULTIMATE.start_main_~y~4 51), 12219#(<= ULTIMATE.start_main_~y~4 52), 12220#(<= ULTIMATE.start_main_~y~4 53), 12221#(<= ULTIMATE.start_main_~y~4 54), 12222#(<= ULTIMATE.start_main_~y~4 55), 12223#(<= ULTIMATE.start_main_~y~4 56), 12224#(<= ULTIMATE.start_main_~y~4 57), 12225#(<= ULTIMATE.start_main_~y~4 58), 12226#(<= ULTIMATE.start_main_~y~4 59), 12227#(<= ULTIMATE.start_main_~y~4 60), 12228#(<= ULTIMATE.start_main_~y~4 61), 12229#(<= ULTIMATE.start_main_~y~4 62), 12230#(<= ULTIMATE.start_main_~y~4 63), 12231#(<= ULTIMATE.start_main_~y~4 64), 12232#(<= ULTIMATE.start_main_~y~4 65)] [2018-07-23 13:37:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,260 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:37:37,261 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:37:37,261 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:37:37,261 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 68 states. [2018-07-23 13:37:37,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:37,315 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-07-23 13:37:37,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:37:37,316 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 68 [2018-07-23 13:37:37,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:37,317 INFO L225 Difference]: With dead ends: 72 [2018-07-23 13:37:37,317 INFO L226 Difference]: Without dead ends: 70 [2018-07-23 13:37:37,317 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:37:37,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-07-23 13:37:37,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-07-23 13:37:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-07-23 13:37:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-07-23 13:37:37,321 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2018-07-23 13:37:37,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:37,321 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-07-23 13:37:37,322 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:37:37,322 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-07-23 13:37:37,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-07-23 13:37:37,322 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:37,323 INFO L357 BasicCegarLoop]: trace histogram [66, 1, 1, 1] [2018-07-23 13:37:37,323 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:37,323 INFO L82 PathProgramCache]: Analyzing trace with hash 324093475, now seen corresponding path program 66 times [2018-07-23 13:37:37,323 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,632 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:37,632 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:37:37,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,633 INFO L185 omatonBuilderFactory]: Interpolants [12544#(<= ULTIMATE.start_main_~y~4 25), 12545#(<= ULTIMATE.start_main_~y~4 26), 12546#(<= ULTIMATE.start_main_~y~4 27), 12547#(<= ULTIMATE.start_main_~y~4 28), 12548#(<= ULTIMATE.start_main_~y~4 29), 12549#(<= ULTIMATE.start_main_~y~4 30), 12550#(<= ULTIMATE.start_main_~y~4 31), 12551#(<= ULTIMATE.start_main_~y~4 32), 12552#(<= ULTIMATE.start_main_~y~4 33), 12553#(<= ULTIMATE.start_main_~y~4 34), 12554#(<= ULTIMATE.start_main_~y~4 35), 12555#(<= ULTIMATE.start_main_~y~4 36), 12556#(<= ULTIMATE.start_main_~y~4 37), 12557#(<= ULTIMATE.start_main_~y~4 38), 12558#(<= ULTIMATE.start_main_~y~4 39), 12559#(<= ULTIMATE.start_main_~y~4 40), 12560#(<= ULTIMATE.start_main_~y~4 41), 12561#(<= ULTIMATE.start_main_~y~4 42), 12562#(<= ULTIMATE.start_main_~y~4 43), 12563#(<= ULTIMATE.start_main_~y~4 44), 12564#(<= ULTIMATE.start_main_~y~4 45), 12565#(<= ULTIMATE.start_main_~y~4 46), 12566#(<= ULTIMATE.start_main_~y~4 47), 12567#(<= ULTIMATE.start_main_~y~4 48), 12568#(<= ULTIMATE.start_main_~y~4 49), 12569#(<= ULTIMATE.start_main_~y~4 50), 12570#(<= ULTIMATE.start_main_~y~4 51), 12571#(<= ULTIMATE.start_main_~y~4 52), 12572#(<= ULTIMATE.start_main_~y~4 53), 12573#(<= ULTIMATE.start_main_~y~4 54), 12574#(<= ULTIMATE.start_main_~y~4 55), 12575#(<= ULTIMATE.start_main_~y~4 56), 12576#(<= ULTIMATE.start_main_~y~4 57), 12577#(<= ULTIMATE.start_main_~y~4 58), 12578#(<= ULTIMATE.start_main_~y~4 59), 12579#(<= ULTIMATE.start_main_~y~4 60), 12580#(<= ULTIMATE.start_main_~y~4 61), 12581#(<= ULTIMATE.start_main_~y~4 62), 12582#(<= ULTIMATE.start_main_~y~4 63), 12583#(<= ULTIMATE.start_main_~y~4 64), 12584#(<= ULTIMATE.start_main_~y~4 65), 12585#(<= ULTIMATE.start_main_~y~4 66), 12517#true, 12518#false, 12519#(<= ULTIMATE.start_main_~y~4 0), 12520#(<= ULTIMATE.start_main_~y~4 1), 12521#(<= ULTIMATE.start_main_~y~4 2), 12522#(<= ULTIMATE.start_main_~y~4 3), 12523#(<= ULTIMATE.start_main_~y~4 4), 12524#(<= ULTIMATE.start_main_~y~4 5), 12525#(<= ULTIMATE.start_main_~y~4 6), 12526#(<= ULTIMATE.start_main_~y~4 7), 12527#(<= ULTIMATE.start_main_~y~4 8), 12528#(<= ULTIMATE.start_main_~y~4 9), 12529#(<= ULTIMATE.start_main_~y~4 10), 12530#(<= ULTIMATE.start_main_~y~4 11), 12531#(<= ULTIMATE.start_main_~y~4 12), 12532#(<= ULTIMATE.start_main_~y~4 13), 12533#(<= ULTIMATE.start_main_~y~4 14), 12534#(<= ULTIMATE.start_main_~y~4 15), 12535#(<= ULTIMATE.start_main_~y~4 16), 12536#(<= ULTIMATE.start_main_~y~4 17), 12537#(<= ULTIMATE.start_main_~y~4 18), 12538#(<= ULTIMATE.start_main_~y~4 19), 12539#(<= ULTIMATE.start_main_~y~4 20), 12540#(<= ULTIMATE.start_main_~y~4 21), 12541#(<= ULTIMATE.start_main_~y~4 22), 12542#(<= ULTIMATE.start_main_~y~4 23), 12543#(<= ULTIMATE.start_main_~y~4 24)] [2018-07-23 13:37:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,633 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:37:37,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:37:37,635 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:37:37,635 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 69 states. [2018-07-23 13:37:37,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:37,670 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:37:37,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:37:37,670 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 69 [2018-07-23 13:37:37,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:37,671 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:37:37,671 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:37:37,671 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:37:37,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:37:37,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:37:37,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:37:37,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:37:37,675 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 69 [2018-07-23 13:37:37,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:37,675 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:37:37,675 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:37:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:37:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:37:37,676 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:37,676 INFO L357 BasicCegarLoop]: trace histogram [67, 1, 1, 1] [2018-07-23 13:37:37,676 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:37,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1456964940, now seen corresponding path program 67 times [2018-07-23 13:37:37,676 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,906 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:37,906 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:37:37,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,907 INFO L185 omatonBuilderFactory]: Interpolants [12928#(<= ULTIMATE.start_main_~y~4 52), 12929#(<= ULTIMATE.start_main_~y~4 53), 12930#(<= ULTIMATE.start_main_~y~4 54), 12931#(<= ULTIMATE.start_main_~y~4 55), 12932#(<= ULTIMATE.start_main_~y~4 56), 12933#(<= ULTIMATE.start_main_~y~4 57), 12934#(<= ULTIMATE.start_main_~y~4 58), 12935#(<= ULTIMATE.start_main_~y~4 59), 12936#(<= ULTIMATE.start_main_~y~4 60), 12937#(<= ULTIMATE.start_main_~y~4 61), 12938#(<= ULTIMATE.start_main_~y~4 62), 12939#(<= ULTIMATE.start_main_~y~4 63), 12940#(<= ULTIMATE.start_main_~y~4 64), 12941#(<= ULTIMATE.start_main_~y~4 65), 12942#(<= ULTIMATE.start_main_~y~4 66), 12943#(<= ULTIMATE.start_main_~y~4 67), 12874#true, 12875#false, 12876#(<= ULTIMATE.start_main_~y~4 0), 12877#(<= ULTIMATE.start_main_~y~4 1), 12878#(<= ULTIMATE.start_main_~y~4 2), 12879#(<= ULTIMATE.start_main_~y~4 3), 12880#(<= ULTIMATE.start_main_~y~4 4), 12881#(<= ULTIMATE.start_main_~y~4 5), 12882#(<= ULTIMATE.start_main_~y~4 6), 12883#(<= ULTIMATE.start_main_~y~4 7), 12884#(<= ULTIMATE.start_main_~y~4 8), 12885#(<= ULTIMATE.start_main_~y~4 9), 12886#(<= ULTIMATE.start_main_~y~4 10), 12887#(<= ULTIMATE.start_main_~y~4 11), 12888#(<= ULTIMATE.start_main_~y~4 12), 12889#(<= ULTIMATE.start_main_~y~4 13), 12890#(<= ULTIMATE.start_main_~y~4 14), 12891#(<= ULTIMATE.start_main_~y~4 15), 12892#(<= ULTIMATE.start_main_~y~4 16), 12893#(<= ULTIMATE.start_main_~y~4 17), 12894#(<= ULTIMATE.start_main_~y~4 18), 12895#(<= ULTIMATE.start_main_~y~4 19), 12896#(<= ULTIMATE.start_main_~y~4 20), 12897#(<= ULTIMATE.start_main_~y~4 21), 12898#(<= ULTIMATE.start_main_~y~4 22), 12899#(<= ULTIMATE.start_main_~y~4 23), 12900#(<= ULTIMATE.start_main_~y~4 24), 12901#(<= ULTIMATE.start_main_~y~4 25), 12902#(<= ULTIMATE.start_main_~y~4 26), 12903#(<= ULTIMATE.start_main_~y~4 27), 12904#(<= ULTIMATE.start_main_~y~4 28), 12905#(<= ULTIMATE.start_main_~y~4 29), 12906#(<= ULTIMATE.start_main_~y~4 30), 12907#(<= ULTIMATE.start_main_~y~4 31), 12908#(<= ULTIMATE.start_main_~y~4 32), 12909#(<= ULTIMATE.start_main_~y~4 33), 12910#(<= ULTIMATE.start_main_~y~4 34), 12911#(<= ULTIMATE.start_main_~y~4 35), 12912#(<= ULTIMATE.start_main_~y~4 36), 12913#(<= ULTIMATE.start_main_~y~4 37), 12914#(<= ULTIMATE.start_main_~y~4 38), 12915#(<= ULTIMATE.start_main_~y~4 39), 12916#(<= ULTIMATE.start_main_~y~4 40), 12917#(<= ULTIMATE.start_main_~y~4 41), 12918#(<= ULTIMATE.start_main_~y~4 42), 12919#(<= ULTIMATE.start_main_~y~4 43), 12920#(<= ULTIMATE.start_main_~y~4 44), 12921#(<= ULTIMATE.start_main_~y~4 45), 12922#(<= ULTIMATE.start_main_~y~4 46), 12923#(<= ULTIMATE.start_main_~y~4 47), 12924#(<= ULTIMATE.start_main_~y~4 48), 12925#(<= ULTIMATE.start_main_~y~4 49), 12926#(<= ULTIMATE.start_main_~y~4 50), 12927#(<= ULTIMATE.start_main_~y~4 51)] [2018-07-23 13:37:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,907 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:37:37,908 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:37:37,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:37:37,909 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 70 states. [2018-07-23 13:37:37,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:37,947 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-07-23 13:37:37,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:37:37,947 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 70 [2018-07-23 13:37:37,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:37,948 INFO L225 Difference]: With dead ends: 74 [2018-07-23 13:37:37,948 INFO L226 Difference]: Without dead ends: 72 [2018-07-23 13:37:37,949 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:37:37,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-07-23 13:37:37,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-07-23 13:37:37,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-07-23 13:37:37,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-07-23 13:37:37,952 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 70 [2018-07-23 13:37:37,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:37,952 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2018-07-23 13:37:37,952 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:37:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-07-23 13:37:37,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-07-23 13:37:37,953 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:37,953 INFO L357 BasicCegarLoop]: trace histogram [68, 1, 1, 1] [2018-07-23 13:37:37,953 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:37,954 INFO L82 PathProgramCache]: Analyzing trace with hash -2078725309, now seen corresponding path program 68 times [2018-07-23 13:37:37,954 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,182 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:38,182 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:37:38,183 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,183 INFO L185 omatonBuilderFactory]: Interpolants [13236#true, 13237#false, 13238#(<= ULTIMATE.start_main_~y~4 0), 13239#(<= ULTIMATE.start_main_~y~4 1), 13240#(<= ULTIMATE.start_main_~y~4 2), 13241#(<= ULTIMATE.start_main_~y~4 3), 13242#(<= ULTIMATE.start_main_~y~4 4), 13243#(<= ULTIMATE.start_main_~y~4 5), 13244#(<= ULTIMATE.start_main_~y~4 6), 13245#(<= ULTIMATE.start_main_~y~4 7), 13246#(<= ULTIMATE.start_main_~y~4 8), 13247#(<= ULTIMATE.start_main_~y~4 9), 13248#(<= ULTIMATE.start_main_~y~4 10), 13249#(<= ULTIMATE.start_main_~y~4 11), 13250#(<= ULTIMATE.start_main_~y~4 12), 13251#(<= ULTIMATE.start_main_~y~4 13), 13252#(<= ULTIMATE.start_main_~y~4 14), 13253#(<= ULTIMATE.start_main_~y~4 15), 13254#(<= ULTIMATE.start_main_~y~4 16), 13255#(<= ULTIMATE.start_main_~y~4 17), 13256#(<= ULTIMATE.start_main_~y~4 18), 13257#(<= ULTIMATE.start_main_~y~4 19), 13258#(<= ULTIMATE.start_main_~y~4 20), 13259#(<= ULTIMATE.start_main_~y~4 21), 13260#(<= ULTIMATE.start_main_~y~4 22), 13261#(<= ULTIMATE.start_main_~y~4 23), 13262#(<= ULTIMATE.start_main_~y~4 24), 13263#(<= ULTIMATE.start_main_~y~4 25), 13264#(<= ULTIMATE.start_main_~y~4 26), 13265#(<= ULTIMATE.start_main_~y~4 27), 13266#(<= ULTIMATE.start_main_~y~4 28), 13267#(<= ULTIMATE.start_main_~y~4 29), 13268#(<= ULTIMATE.start_main_~y~4 30), 13269#(<= ULTIMATE.start_main_~y~4 31), 13270#(<= ULTIMATE.start_main_~y~4 32), 13271#(<= ULTIMATE.start_main_~y~4 33), 13272#(<= ULTIMATE.start_main_~y~4 34), 13273#(<= ULTIMATE.start_main_~y~4 35), 13274#(<= ULTIMATE.start_main_~y~4 36), 13275#(<= ULTIMATE.start_main_~y~4 37), 13276#(<= ULTIMATE.start_main_~y~4 38), 13277#(<= ULTIMATE.start_main_~y~4 39), 13278#(<= ULTIMATE.start_main_~y~4 40), 13279#(<= ULTIMATE.start_main_~y~4 41), 13280#(<= ULTIMATE.start_main_~y~4 42), 13281#(<= ULTIMATE.start_main_~y~4 43), 13282#(<= ULTIMATE.start_main_~y~4 44), 13283#(<= ULTIMATE.start_main_~y~4 45), 13284#(<= ULTIMATE.start_main_~y~4 46), 13285#(<= ULTIMATE.start_main_~y~4 47), 13286#(<= ULTIMATE.start_main_~y~4 48), 13287#(<= ULTIMATE.start_main_~y~4 49), 13288#(<= ULTIMATE.start_main_~y~4 50), 13289#(<= ULTIMATE.start_main_~y~4 51), 13290#(<= ULTIMATE.start_main_~y~4 52), 13291#(<= ULTIMATE.start_main_~y~4 53), 13292#(<= ULTIMATE.start_main_~y~4 54), 13293#(<= ULTIMATE.start_main_~y~4 55), 13294#(<= ULTIMATE.start_main_~y~4 56), 13295#(<= ULTIMATE.start_main_~y~4 57), 13296#(<= ULTIMATE.start_main_~y~4 58), 13297#(<= ULTIMATE.start_main_~y~4 59), 13298#(<= ULTIMATE.start_main_~y~4 60), 13299#(<= ULTIMATE.start_main_~y~4 61), 13300#(<= ULTIMATE.start_main_~y~4 62), 13301#(<= ULTIMATE.start_main_~y~4 63), 13302#(<= ULTIMATE.start_main_~y~4 64), 13303#(<= ULTIMATE.start_main_~y~4 65), 13304#(<= ULTIMATE.start_main_~y~4 66), 13305#(<= ULTIMATE.start_main_~y~4 67), 13306#(<= ULTIMATE.start_main_~y~4 68)] [2018-07-23 13:37:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,184 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:37:38,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:37:38,185 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:37:38,185 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 71 states. [2018-07-23 13:37:38,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:38,240 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:37:38,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:37:38,240 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 71 [2018-07-23 13:37:38,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:38,241 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:37:38,241 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:37:38,242 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:37:38,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:37:38,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:37:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:37:38,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:37:38,245 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 71 [2018-07-23 13:37:38,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:38,246 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:37:38,246 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:37:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:37:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:37:38,246 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:38,247 INFO L357 BasicCegarLoop]: trace histogram [69, 1, 1, 1] [2018-07-23 13:37:38,247 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:38,247 INFO L82 PathProgramCache]: Analyzing trace with hash -15973332, now seen corresponding path program 69 times [2018-07-23 13:37:38,247 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,479 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:38,479 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:37:38,479 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,480 INFO L185 omatonBuilderFactory]: Interpolants [13603#true, 13604#false, 13605#(<= ULTIMATE.start_main_~y~4 0), 13606#(<= ULTIMATE.start_main_~y~4 1), 13607#(<= ULTIMATE.start_main_~y~4 2), 13608#(<= ULTIMATE.start_main_~y~4 3), 13609#(<= ULTIMATE.start_main_~y~4 4), 13610#(<= ULTIMATE.start_main_~y~4 5), 13611#(<= ULTIMATE.start_main_~y~4 6), 13612#(<= ULTIMATE.start_main_~y~4 7), 13613#(<= ULTIMATE.start_main_~y~4 8), 13614#(<= ULTIMATE.start_main_~y~4 9), 13615#(<= ULTIMATE.start_main_~y~4 10), 13616#(<= ULTIMATE.start_main_~y~4 11), 13617#(<= ULTIMATE.start_main_~y~4 12), 13618#(<= ULTIMATE.start_main_~y~4 13), 13619#(<= ULTIMATE.start_main_~y~4 14), 13620#(<= ULTIMATE.start_main_~y~4 15), 13621#(<= ULTIMATE.start_main_~y~4 16), 13622#(<= ULTIMATE.start_main_~y~4 17), 13623#(<= ULTIMATE.start_main_~y~4 18), 13624#(<= ULTIMATE.start_main_~y~4 19), 13625#(<= ULTIMATE.start_main_~y~4 20), 13626#(<= ULTIMATE.start_main_~y~4 21), 13627#(<= ULTIMATE.start_main_~y~4 22), 13628#(<= ULTIMATE.start_main_~y~4 23), 13629#(<= ULTIMATE.start_main_~y~4 24), 13630#(<= ULTIMATE.start_main_~y~4 25), 13631#(<= ULTIMATE.start_main_~y~4 26), 13632#(<= ULTIMATE.start_main_~y~4 27), 13633#(<= ULTIMATE.start_main_~y~4 28), 13634#(<= ULTIMATE.start_main_~y~4 29), 13635#(<= ULTIMATE.start_main_~y~4 30), 13636#(<= ULTIMATE.start_main_~y~4 31), 13637#(<= ULTIMATE.start_main_~y~4 32), 13638#(<= ULTIMATE.start_main_~y~4 33), 13639#(<= ULTIMATE.start_main_~y~4 34), 13640#(<= ULTIMATE.start_main_~y~4 35), 13641#(<= ULTIMATE.start_main_~y~4 36), 13642#(<= ULTIMATE.start_main_~y~4 37), 13643#(<= ULTIMATE.start_main_~y~4 38), 13644#(<= ULTIMATE.start_main_~y~4 39), 13645#(<= ULTIMATE.start_main_~y~4 40), 13646#(<= ULTIMATE.start_main_~y~4 41), 13647#(<= ULTIMATE.start_main_~y~4 42), 13648#(<= ULTIMATE.start_main_~y~4 43), 13649#(<= ULTIMATE.start_main_~y~4 44), 13650#(<= ULTIMATE.start_main_~y~4 45), 13651#(<= ULTIMATE.start_main_~y~4 46), 13652#(<= ULTIMATE.start_main_~y~4 47), 13653#(<= ULTIMATE.start_main_~y~4 48), 13654#(<= ULTIMATE.start_main_~y~4 49), 13655#(<= ULTIMATE.start_main_~y~4 50), 13656#(<= ULTIMATE.start_main_~y~4 51), 13657#(<= ULTIMATE.start_main_~y~4 52), 13658#(<= ULTIMATE.start_main_~y~4 53), 13659#(<= ULTIMATE.start_main_~y~4 54), 13660#(<= ULTIMATE.start_main_~y~4 55), 13661#(<= ULTIMATE.start_main_~y~4 56), 13662#(<= ULTIMATE.start_main_~y~4 57), 13663#(<= ULTIMATE.start_main_~y~4 58), 13664#(<= ULTIMATE.start_main_~y~4 59), 13665#(<= ULTIMATE.start_main_~y~4 60), 13666#(<= ULTIMATE.start_main_~y~4 61), 13667#(<= ULTIMATE.start_main_~y~4 62), 13668#(<= ULTIMATE.start_main_~y~4 63), 13669#(<= ULTIMATE.start_main_~y~4 64), 13670#(<= ULTIMATE.start_main_~y~4 65), 13671#(<= ULTIMATE.start_main_~y~4 66), 13672#(<= ULTIMATE.start_main_~y~4 67), 13673#(<= ULTIMATE.start_main_~y~4 68), 13674#(<= ULTIMATE.start_main_~y~4 69)] [2018-07-23 13:37:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,480 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:37:38,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:37:38,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:37:38,482 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 72 states. [2018-07-23 13:37:38,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:38,535 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-07-23 13:37:38,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:37:38,536 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 72 [2018-07-23 13:37:38,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:38,536 INFO L225 Difference]: With dead ends: 76 [2018-07-23 13:37:38,536 INFO L226 Difference]: Without dead ends: 74 [2018-07-23 13:37:38,537 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:37:38,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-07-23 13:37:38,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-07-23 13:37:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-07-23 13:37:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-07-23 13:37:38,540 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 72 [2018-07-23 13:37:38,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:38,541 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2018-07-23 13:37:38,541 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:37:38,541 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-07-23 13:37:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-07-23 13:37:38,541 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:38,542 INFO L357 BasicCegarLoop]: trace histogram [70, 1, 1, 1] [2018-07-23 13:37:38,542 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:38,542 INFO L82 PathProgramCache]: Analyzing trace with hash -495171485, now seen corresponding path program 70 times [2018-07-23 13:37:38,542 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,764 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:38,764 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:37:38,764 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,765 INFO L185 omatonBuilderFactory]: Interpolants [13975#true, 13976#false, 13977#(<= ULTIMATE.start_main_~y~4 0), 13978#(<= ULTIMATE.start_main_~y~4 1), 13979#(<= ULTIMATE.start_main_~y~4 2), 13980#(<= ULTIMATE.start_main_~y~4 3), 13981#(<= ULTIMATE.start_main_~y~4 4), 13982#(<= ULTIMATE.start_main_~y~4 5), 13983#(<= ULTIMATE.start_main_~y~4 6), 13984#(<= ULTIMATE.start_main_~y~4 7), 13985#(<= ULTIMATE.start_main_~y~4 8), 13986#(<= ULTIMATE.start_main_~y~4 9), 13987#(<= ULTIMATE.start_main_~y~4 10), 13988#(<= ULTIMATE.start_main_~y~4 11), 13989#(<= ULTIMATE.start_main_~y~4 12), 13990#(<= ULTIMATE.start_main_~y~4 13), 13991#(<= ULTIMATE.start_main_~y~4 14), 13992#(<= ULTIMATE.start_main_~y~4 15), 13993#(<= ULTIMATE.start_main_~y~4 16), 13994#(<= ULTIMATE.start_main_~y~4 17), 13995#(<= ULTIMATE.start_main_~y~4 18), 13996#(<= ULTIMATE.start_main_~y~4 19), 13997#(<= ULTIMATE.start_main_~y~4 20), 13998#(<= ULTIMATE.start_main_~y~4 21), 13999#(<= ULTIMATE.start_main_~y~4 22), 14000#(<= ULTIMATE.start_main_~y~4 23), 14001#(<= ULTIMATE.start_main_~y~4 24), 14002#(<= ULTIMATE.start_main_~y~4 25), 14003#(<= ULTIMATE.start_main_~y~4 26), 14004#(<= ULTIMATE.start_main_~y~4 27), 14005#(<= ULTIMATE.start_main_~y~4 28), 14006#(<= ULTIMATE.start_main_~y~4 29), 14007#(<= ULTIMATE.start_main_~y~4 30), 14008#(<= ULTIMATE.start_main_~y~4 31), 14009#(<= ULTIMATE.start_main_~y~4 32), 14010#(<= ULTIMATE.start_main_~y~4 33), 14011#(<= ULTIMATE.start_main_~y~4 34), 14012#(<= ULTIMATE.start_main_~y~4 35), 14013#(<= ULTIMATE.start_main_~y~4 36), 14014#(<= ULTIMATE.start_main_~y~4 37), 14015#(<= ULTIMATE.start_main_~y~4 38), 14016#(<= ULTIMATE.start_main_~y~4 39), 14017#(<= ULTIMATE.start_main_~y~4 40), 14018#(<= ULTIMATE.start_main_~y~4 41), 14019#(<= ULTIMATE.start_main_~y~4 42), 14020#(<= ULTIMATE.start_main_~y~4 43), 14021#(<= ULTIMATE.start_main_~y~4 44), 14022#(<= ULTIMATE.start_main_~y~4 45), 14023#(<= ULTIMATE.start_main_~y~4 46), 14024#(<= ULTIMATE.start_main_~y~4 47), 14025#(<= ULTIMATE.start_main_~y~4 48), 14026#(<= ULTIMATE.start_main_~y~4 49), 14027#(<= ULTIMATE.start_main_~y~4 50), 14028#(<= ULTIMATE.start_main_~y~4 51), 14029#(<= ULTIMATE.start_main_~y~4 52), 14030#(<= ULTIMATE.start_main_~y~4 53), 14031#(<= ULTIMATE.start_main_~y~4 54), 14032#(<= ULTIMATE.start_main_~y~4 55), 14033#(<= ULTIMATE.start_main_~y~4 56), 14034#(<= ULTIMATE.start_main_~y~4 57), 14035#(<= ULTIMATE.start_main_~y~4 58), 14036#(<= ULTIMATE.start_main_~y~4 59), 14037#(<= ULTIMATE.start_main_~y~4 60), 14038#(<= ULTIMATE.start_main_~y~4 61), 14039#(<= ULTIMATE.start_main_~y~4 62), 14040#(<= ULTIMATE.start_main_~y~4 63), 14041#(<= ULTIMATE.start_main_~y~4 64), 14042#(<= ULTIMATE.start_main_~y~4 65), 14043#(<= ULTIMATE.start_main_~y~4 66), 14044#(<= ULTIMATE.start_main_~y~4 67), 14045#(<= ULTIMATE.start_main_~y~4 68), 14046#(<= ULTIMATE.start_main_~y~4 69), 14047#(<= ULTIMATE.start_main_~y~4 70)] [2018-07-23 13:37:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,765 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:37:38,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:37:38,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:37:38,767 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand 73 states. [2018-07-23 13:37:38,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:38,820 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:37:38,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:37:38,821 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 73 [2018-07-23 13:37:38,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:38,821 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:37:38,822 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:37:38,822 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:37:38,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:37:38,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:37:38,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:37:38,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:37:38,825 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 73 [2018-07-23 13:37:38,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:38,825 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:37:38,825 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:37:38,826 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:37:38,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:37:38,826 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:38,826 INFO L357 BasicCegarLoop]: trace histogram [71, 1, 1, 1] [2018-07-23 13:37:38,827 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:38,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1829554956, now seen corresponding path program 71 times [2018-07-23 13:37:38,827 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,055 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:39,055 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:37:39,055 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,056 INFO L185 omatonBuilderFactory]: Interpolants [14352#true, 14353#false, 14354#(<= ULTIMATE.start_main_~y~4 0), 14355#(<= ULTIMATE.start_main_~y~4 1), 14356#(<= ULTIMATE.start_main_~y~4 2), 14357#(<= ULTIMATE.start_main_~y~4 3), 14358#(<= ULTIMATE.start_main_~y~4 4), 14359#(<= ULTIMATE.start_main_~y~4 5), 14360#(<= ULTIMATE.start_main_~y~4 6), 14361#(<= ULTIMATE.start_main_~y~4 7), 14362#(<= ULTIMATE.start_main_~y~4 8), 14363#(<= ULTIMATE.start_main_~y~4 9), 14364#(<= ULTIMATE.start_main_~y~4 10), 14365#(<= ULTIMATE.start_main_~y~4 11), 14366#(<= ULTIMATE.start_main_~y~4 12), 14367#(<= ULTIMATE.start_main_~y~4 13), 14368#(<= ULTIMATE.start_main_~y~4 14), 14369#(<= ULTIMATE.start_main_~y~4 15), 14370#(<= ULTIMATE.start_main_~y~4 16), 14371#(<= ULTIMATE.start_main_~y~4 17), 14372#(<= ULTIMATE.start_main_~y~4 18), 14373#(<= ULTIMATE.start_main_~y~4 19), 14374#(<= ULTIMATE.start_main_~y~4 20), 14375#(<= ULTIMATE.start_main_~y~4 21), 14376#(<= ULTIMATE.start_main_~y~4 22), 14377#(<= ULTIMATE.start_main_~y~4 23), 14378#(<= ULTIMATE.start_main_~y~4 24), 14379#(<= ULTIMATE.start_main_~y~4 25), 14380#(<= ULTIMATE.start_main_~y~4 26), 14381#(<= ULTIMATE.start_main_~y~4 27), 14382#(<= ULTIMATE.start_main_~y~4 28), 14383#(<= ULTIMATE.start_main_~y~4 29), 14384#(<= ULTIMATE.start_main_~y~4 30), 14385#(<= ULTIMATE.start_main_~y~4 31), 14386#(<= ULTIMATE.start_main_~y~4 32), 14387#(<= ULTIMATE.start_main_~y~4 33), 14388#(<= ULTIMATE.start_main_~y~4 34), 14389#(<= ULTIMATE.start_main_~y~4 35), 14390#(<= ULTIMATE.start_main_~y~4 36), 14391#(<= ULTIMATE.start_main_~y~4 37), 14392#(<= ULTIMATE.start_main_~y~4 38), 14393#(<= ULTIMATE.start_main_~y~4 39), 14394#(<= ULTIMATE.start_main_~y~4 40), 14395#(<= ULTIMATE.start_main_~y~4 41), 14396#(<= ULTIMATE.start_main_~y~4 42), 14397#(<= ULTIMATE.start_main_~y~4 43), 14398#(<= ULTIMATE.start_main_~y~4 44), 14399#(<= ULTIMATE.start_main_~y~4 45), 14400#(<= ULTIMATE.start_main_~y~4 46), 14401#(<= ULTIMATE.start_main_~y~4 47), 14402#(<= ULTIMATE.start_main_~y~4 48), 14403#(<= ULTIMATE.start_main_~y~4 49), 14404#(<= ULTIMATE.start_main_~y~4 50), 14405#(<= ULTIMATE.start_main_~y~4 51), 14406#(<= ULTIMATE.start_main_~y~4 52), 14407#(<= ULTIMATE.start_main_~y~4 53), 14408#(<= ULTIMATE.start_main_~y~4 54), 14409#(<= ULTIMATE.start_main_~y~4 55), 14410#(<= ULTIMATE.start_main_~y~4 56), 14411#(<= ULTIMATE.start_main_~y~4 57), 14412#(<= ULTIMATE.start_main_~y~4 58), 14413#(<= ULTIMATE.start_main_~y~4 59), 14414#(<= ULTIMATE.start_main_~y~4 60), 14415#(<= ULTIMATE.start_main_~y~4 61), 14416#(<= ULTIMATE.start_main_~y~4 62), 14417#(<= ULTIMATE.start_main_~y~4 63), 14418#(<= ULTIMATE.start_main_~y~4 64), 14419#(<= ULTIMATE.start_main_~y~4 65), 14420#(<= ULTIMATE.start_main_~y~4 66), 14421#(<= ULTIMATE.start_main_~y~4 67), 14422#(<= ULTIMATE.start_main_~y~4 68), 14423#(<= ULTIMATE.start_main_~y~4 69), 14424#(<= ULTIMATE.start_main_~y~4 70), 14425#(<= ULTIMATE.start_main_~y~4 71)] [2018-07-23 13:37:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,057 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:37:39,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:37:39,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:37:39,058 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 74 states. [2018-07-23 13:37:39,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:39,120 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-07-23 13:37:39,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:37:39,121 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 74 [2018-07-23 13:37:39,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:39,122 INFO L225 Difference]: With dead ends: 78 [2018-07-23 13:37:39,122 INFO L226 Difference]: Without dead ends: 76 [2018-07-23 13:37:39,123 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:37:39,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-07-23 13:37:39,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-07-23 13:37:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-07-23 13:37:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-07-23 13:37:39,126 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 74 [2018-07-23 13:37:39,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:39,126 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-07-23 13:37:39,126 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:37:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-07-23 13:37:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-07-23 13:37:39,127 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:39,127 INFO L357 BasicCegarLoop]: trace histogram [72, 1, 1, 1] [2018-07-23 13:37:39,127 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:39,127 INFO L82 PathProgramCache]: Analyzing trace with hash 881630595, now seen corresponding path program 72 times [2018-07-23 13:37:39,128 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,359 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:39,359 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:37:39,359 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,360 INFO L185 omatonBuilderFactory]: Interpolants [14734#true, 14735#false, 14736#(<= ULTIMATE.start_main_~y~4 0), 14737#(<= ULTIMATE.start_main_~y~4 1), 14738#(<= ULTIMATE.start_main_~y~4 2), 14739#(<= ULTIMATE.start_main_~y~4 3), 14740#(<= ULTIMATE.start_main_~y~4 4), 14741#(<= ULTIMATE.start_main_~y~4 5), 14742#(<= ULTIMATE.start_main_~y~4 6), 14743#(<= ULTIMATE.start_main_~y~4 7), 14744#(<= ULTIMATE.start_main_~y~4 8), 14745#(<= ULTIMATE.start_main_~y~4 9), 14746#(<= ULTIMATE.start_main_~y~4 10), 14747#(<= ULTIMATE.start_main_~y~4 11), 14748#(<= ULTIMATE.start_main_~y~4 12), 14749#(<= ULTIMATE.start_main_~y~4 13), 14750#(<= ULTIMATE.start_main_~y~4 14), 14751#(<= ULTIMATE.start_main_~y~4 15), 14752#(<= ULTIMATE.start_main_~y~4 16), 14753#(<= ULTIMATE.start_main_~y~4 17), 14754#(<= ULTIMATE.start_main_~y~4 18), 14755#(<= ULTIMATE.start_main_~y~4 19), 14756#(<= ULTIMATE.start_main_~y~4 20), 14757#(<= ULTIMATE.start_main_~y~4 21), 14758#(<= ULTIMATE.start_main_~y~4 22), 14759#(<= ULTIMATE.start_main_~y~4 23), 14760#(<= ULTIMATE.start_main_~y~4 24), 14761#(<= ULTIMATE.start_main_~y~4 25), 14762#(<= ULTIMATE.start_main_~y~4 26), 14763#(<= ULTIMATE.start_main_~y~4 27), 14764#(<= ULTIMATE.start_main_~y~4 28), 14765#(<= ULTIMATE.start_main_~y~4 29), 14766#(<= ULTIMATE.start_main_~y~4 30), 14767#(<= ULTIMATE.start_main_~y~4 31), 14768#(<= ULTIMATE.start_main_~y~4 32), 14769#(<= ULTIMATE.start_main_~y~4 33), 14770#(<= ULTIMATE.start_main_~y~4 34), 14771#(<= ULTIMATE.start_main_~y~4 35), 14772#(<= ULTIMATE.start_main_~y~4 36), 14773#(<= ULTIMATE.start_main_~y~4 37), 14774#(<= ULTIMATE.start_main_~y~4 38), 14775#(<= ULTIMATE.start_main_~y~4 39), 14776#(<= ULTIMATE.start_main_~y~4 40), 14777#(<= ULTIMATE.start_main_~y~4 41), 14778#(<= ULTIMATE.start_main_~y~4 42), 14779#(<= ULTIMATE.start_main_~y~4 43), 14780#(<= ULTIMATE.start_main_~y~4 44), 14781#(<= ULTIMATE.start_main_~y~4 45), 14782#(<= ULTIMATE.start_main_~y~4 46), 14783#(<= ULTIMATE.start_main_~y~4 47), 14784#(<= ULTIMATE.start_main_~y~4 48), 14785#(<= ULTIMATE.start_main_~y~4 49), 14786#(<= ULTIMATE.start_main_~y~4 50), 14787#(<= ULTIMATE.start_main_~y~4 51), 14788#(<= ULTIMATE.start_main_~y~4 52), 14789#(<= ULTIMATE.start_main_~y~4 53), 14790#(<= ULTIMATE.start_main_~y~4 54), 14791#(<= ULTIMATE.start_main_~y~4 55), 14792#(<= ULTIMATE.start_main_~y~4 56), 14793#(<= ULTIMATE.start_main_~y~4 57), 14794#(<= ULTIMATE.start_main_~y~4 58), 14795#(<= ULTIMATE.start_main_~y~4 59), 14796#(<= ULTIMATE.start_main_~y~4 60), 14797#(<= ULTIMATE.start_main_~y~4 61), 14798#(<= ULTIMATE.start_main_~y~4 62), 14799#(<= ULTIMATE.start_main_~y~4 63), 14800#(<= ULTIMATE.start_main_~y~4 64), 14801#(<= ULTIMATE.start_main_~y~4 65), 14802#(<= ULTIMATE.start_main_~y~4 66), 14803#(<= ULTIMATE.start_main_~y~4 67), 14804#(<= ULTIMATE.start_main_~y~4 68), 14805#(<= ULTIMATE.start_main_~y~4 69), 14806#(<= ULTIMATE.start_main_~y~4 70), 14807#(<= ULTIMATE.start_main_~y~4 71), 14808#(<= ULTIMATE.start_main_~y~4 72)] [2018-07-23 13:37:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,360 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:37:39,361 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:37:39,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:37:39,362 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 75 states. [2018-07-23 13:37:39,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:39,424 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:37:39,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:37:39,424 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 75 [2018-07-23 13:37:39,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:39,425 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:37:39,425 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:37:39,426 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:37:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:37:39,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:37:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:37:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:37:39,429 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 75 [2018-07-23 13:37:39,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:39,429 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:37:39,429 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:37:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:37:39,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:37:39,430 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:39,430 INFO L357 BasicCegarLoop]: trace histogram [73, 1, 1, 1] [2018-07-23 13:37:39,430 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:39,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1560746476, now seen corresponding path program 73 times [2018-07-23 13:37:39,431 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,654 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:39,654 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:37:39,654 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,655 INFO L185 omatonBuilderFactory]: Interpolants [15121#true, 15122#false, 15123#(<= ULTIMATE.start_main_~y~4 0), 15124#(<= ULTIMATE.start_main_~y~4 1), 15125#(<= ULTIMATE.start_main_~y~4 2), 15126#(<= ULTIMATE.start_main_~y~4 3), 15127#(<= ULTIMATE.start_main_~y~4 4), 15128#(<= ULTIMATE.start_main_~y~4 5), 15129#(<= ULTIMATE.start_main_~y~4 6), 15130#(<= ULTIMATE.start_main_~y~4 7), 15131#(<= ULTIMATE.start_main_~y~4 8), 15132#(<= ULTIMATE.start_main_~y~4 9), 15133#(<= ULTIMATE.start_main_~y~4 10), 15134#(<= ULTIMATE.start_main_~y~4 11), 15135#(<= ULTIMATE.start_main_~y~4 12), 15136#(<= ULTIMATE.start_main_~y~4 13), 15137#(<= ULTIMATE.start_main_~y~4 14), 15138#(<= ULTIMATE.start_main_~y~4 15), 15139#(<= ULTIMATE.start_main_~y~4 16), 15140#(<= ULTIMATE.start_main_~y~4 17), 15141#(<= ULTIMATE.start_main_~y~4 18), 15142#(<= ULTIMATE.start_main_~y~4 19), 15143#(<= ULTIMATE.start_main_~y~4 20), 15144#(<= ULTIMATE.start_main_~y~4 21), 15145#(<= ULTIMATE.start_main_~y~4 22), 15146#(<= ULTIMATE.start_main_~y~4 23), 15147#(<= ULTIMATE.start_main_~y~4 24), 15148#(<= ULTIMATE.start_main_~y~4 25), 15149#(<= ULTIMATE.start_main_~y~4 26), 15150#(<= ULTIMATE.start_main_~y~4 27), 15151#(<= ULTIMATE.start_main_~y~4 28), 15152#(<= ULTIMATE.start_main_~y~4 29), 15153#(<= ULTIMATE.start_main_~y~4 30), 15154#(<= ULTIMATE.start_main_~y~4 31), 15155#(<= ULTIMATE.start_main_~y~4 32), 15156#(<= ULTIMATE.start_main_~y~4 33), 15157#(<= ULTIMATE.start_main_~y~4 34), 15158#(<= ULTIMATE.start_main_~y~4 35), 15159#(<= ULTIMATE.start_main_~y~4 36), 15160#(<= ULTIMATE.start_main_~y~4 37), 15161#(<= ULTIMATE.start_main_~y~4 38), 15162#(<= ULTIMATE.start_main_~y~4 39), 15163#(<= ULTIMATE.start_main_~y~4 40), 15164#(<= ULTIMATE.start_main_~y~4 41), 15165#(<= ULTIMATE.start_main_~y~4 42), 15166#(<= ULTIMATE.start_main_~y~4 43), 15167#(<= ULTIMATE.start_main_~y~4 44), 15168#(<= ULTIMATE.start_main_~y~4 45), 15169#(<= ULTIMATE.start_main_~y~4 46), 15170#(<= ULTIMATE.start_main_~y~4 47), 15171#(<= ULTIMATE.start_main_~y~4 48), 15172#(<= ULTIMATE.start_main_~y~4 49), 15173#(<= ULTIMATE.start_main_~y~4 50), 15174#(<= ULTIMATE.start_main_~y~4 51), 15175#(<= ULTIMATE.start_main_~y~4 52), 15176#(<= ULTIMATE.start_main_~y~4 53), 15177#(<= ULTIMATE.start_main_~y~4 54), 15178#(<= ULTIMATE.start_main_~y~4 55), 15179#(<= ULTIMATE.start_main_~y~4 56), 15180#(<= ULTIMATE.start_main_~y~4 57), 15181#(<= ULTIMATE.start_main_~y~4 58), 15182#(<= ULTIMATE.start_main_~y~4 59), 15183#(<= ULTIMATE.start_main_~y~4 60), 15184#(<= ULTIMATE.start_main_~y~4 61), 15185#(<= ULTIMATE.start_main_~y~4 62), 15186#(<= ULTIMATE.start_main_~y~4 63), 15187#(<= ULTIMATE.start_main_~y~4 64), 15188#(<= ULTIMATE.start_main_~y~4 65), 15189#(<= ULTIMATE.start_main_~y~4 66), 15190#(<= ULTIMATE.start_main_~y~4 67), 15191#(<= ULTIMATE.start_main_~y~4 68), 15192#(<= ULTIMATE.start_main_~y~4 69), 15193#(<= ULTIMATE.start_main_~y~4 70), 15194#(<= ULTIMATE.start_main_~y~4 71), 15195#(<= ULTIMATE.start_main_~y~4 72), 15196#(<= ULTIMATE.start_main_~y~4 73)] [2018-07-23 13:37:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,655 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:37:39,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:37:39,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:37:39,657 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 76 states. [2018-07-23 13:37:39,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:39,719 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-07-23 13:37:39,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:37:39,719 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 76 [2018-07-23 13:37:39,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:39,720 INFO L225 Difference]: With dead ends: 80 [2018-07-23 13:37:39,720 INFO L226 Difference]: Without dead ends: 78 [2018-07-23 13:37:39,721 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:37:39,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-07-23 13:37:39,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-07-23 13:37:39,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-07-23 13:37:39,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-07-23 13:37:39,724 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 76 [2018-07-23 13:37:39,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:39,725 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-07-23 13:37:39,725 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:37:39,725 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-07-23 13:37:39,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-07-23 13:37:39,726 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:39,726 INFO L357 BasicCegarLoop]: trace histogram [74, 1, 1, 1] [2018-07-23 13:37:39,726 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:39,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1138502307, now seen corresponding path program 74 times [2018-07-23 13:37:39,726 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,984 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:39,985 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:37:39,985 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,985 INFO L185 omatonBuilderFactory]: Interpolants [15513#true, 15514#false, 15515#(<= ULTIMATE.start_main_~y~4 0), 15516#(<= ULTIMATE.start_main_~y~4 1), 15517#(<= ULTIMATE.start_main_~y~4 2), 15518#(<= ULTIMATE.start_main_~y~4 3), 15519#(<= ULTIMATE.start_main_~y~4 4), 15520#(<= ULTIMATE.start_main_~y~4 5), 15521#(<= ULTIMATE.start_main_~y~4 6), 15522#(<= ULTIMATE.start_main_~y~4 7), 15523#(<= ULTIMATE.start_main_~y~4 8), 15524#(<= ULTIMATE.start_main_~y~4 9), 15525#(<= ULTIMATE.start_main_~y~4 10), 15526#(<= ULTIMATE.start_main_~y~4 11), 15527#(<= ULTIMATE.start_main_~y~4 12), 15528#(<= ULTIMATE.start_main_~y~4 13), 15529#(<= ULTIMATE.start_main_~y~4 14), 15530#(<= ULTIMATE.start_main_~y~4 15), 15531#(<= ULTIMATE.start_main_~y~4 16), 15532#(<= ULTIMATE.start_main_~y~4 17), 15533#(<= ULTIMATE.start_main_~y~4 18), 15534#(<= ULTIMATE.start_main_~y~4 19), 15535#(<= ULTIMATE.start_main_~y~4 20), 15536#(<= ULTIMATE.start_main_~y~4 21), 15537#(<= ULTIMATE.start_main_~y~4 22), 15538#(<= ULTIMATE.start_main_~y~4 23), 15539#(<= ULTIMATE.start_main_~y~4 24), 15540#(<= ULTIMATE.start_main_~y~4 25), 15541#(<= ULTIMATE.start_main_~y~4 26), 15542#(<= ULTIMATE.start_main_~y~4 27), 15543#(<= ULTIMATE.start_main_~y~4 28), 15544#(<= ULTIMATE.start_main_~y~4 29), 15545#(<= ULTIMATE.start_main_~y~4 30), 15546#(<= ULTIMATE.start_main_~y~4 31), 15547#(<= ULTIMATE.start_main_~y~4 32), 15548#(<= ULTIMATE.start_main_~y~4 33), 15549#(<= ULTIMATE.start_main_~y~4 34), 15550#(<= ULTIMATE.start_main_~y~4 35), 15551#(<= ULTIMATE.start_main_~y~4 36), 15552#(<= ULTIMATE.start_main_~y~4 37), 15553#(<= ULTIMATE.start_main_~y~4 38), 15554#(<= ULTIMATE.start_main_~y~4 39), 15555#(<= ULTIMATE.start_main_~y~4 40), 15556#(<= ULTIMATE.start_main_~y~4 41), 15557#(<= ULTIMATE.start_main_~y~4 42), 15558#(<= ULTIMATE.start_main_~y~4 43), 15559#(<= ULTIMATE.start_main_~y~4 44), 15560#(<= ULTIMATE.start_main_~y~4 45), 15561#(<= ULTIMATE.start_main_~y~4 46), 15562#(<= ULTIMATE.start_main_~y~4 47), 15563#(<= ULTIMATE.start_main_~y~4 48), 15564#(<= ULTIMATE.start_main_~y~4 49), 15565#(<= ULTIMATE.start_main_~y~4 50), 15566#(<= ULTIMATE.start_main_~y~4 51), 15567#(<= ULTIMATE.start_main_~y~4 52), 15568#(<= ULTIMATE.start_main_~y~4 53), 15569#(<= ULTIMATE.start_main_~y~4 54), 15570#(<= ULTIMATE.start_main_~y~4 55), 15571#(<= ULTIMATE.start_main_~y~4 56), 15572#(<= ULTIMATE.start_main_~y~4 57), 15573#(<= ULTIMATE.start_main_~y~4 58), 15574#(<= ULTIMATE.start_main_~y~4 59), 15575#(<= ULTIMATE.start_main_~y~4 60), 15576#(<= ULTIMATE.start_main_~y~4 61), 15577#(<= ULTIMATE.start_main_~y~4 62), 15578#(<= ULTIMATE.start_main_~y~4 63), 15579#(<= ULTIMATE.start_main_~y~4 64), 15580#(<= ULTIMATE.start_main_~y~4 65), 15581#(<= ULTIMATE.start_main_~y~4 66), 15582#(<= ULTIMATE.start_main_~y~4 67), 15583#(<= ULTIMATE.start_main_~y~4 68), 15584#(<= ULTIMATE.start_main_~y~4 69), 15585#(<= ULTIMATE.start_main_~y~4 70), 15586#(<= ULTIMATE.start_main_~y~4 71), 15587#(<= ULTIMATE.start_main_~y~4 72), 15588#(<= ULTIMATE.start_main_~y~4 73), 15589#(<= ULTIMATE.start_main_~y~4 74)] [2018-07-23 13:37:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,986 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:37:39,987 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:37:39,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:37:39,988 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 77 states. [2018-07-23 13:37:40,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:40,050 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:37:40,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:37:40,050 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 77 [2018-07-23 13:37:40,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:40,051 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:37:40,051 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:37:40,052 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:37:40,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:37:40,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:37:40,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:37:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:37:40,055 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 77 [2018-07-23 13:37:40,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:40,055 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:37:40,055 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:37:40,056 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:37:40,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:37:40,056 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:40,056 INFO L357 BasicCegarLoop]: trace histogram [75, 1, 1, 1] [2018-07-23 13:37:40,056 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:40,057 INFO L82 PathProgramCache]: Analyzing trace with hash 933834956, now seen corresponding path program 75 times [2018-07-23 13:37:40,057 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,286 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:40,286 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:37:40,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,287 INFO L185 omatonBuilderFactory]: Interpolants [15910#true, 15911#false, 15912#(<= ULTIMATE.start_main_~y~4 0), 15913#(<= ULTIMATE.start_main_~y~4 1), 15914#(<= ULTIMATE.start_main_~y~4 2), 15915#(<= ULTIMATE.start_main_~y~4 3), 15916#(<= ULTIMATE.start_main_~y~4 4), 15917#(<= ULTIMATE.start_main_~y~4 5), 15918#(<= ULTIMATE.start_main_~y~4 6), 15919#(<= ULTIMATE.start_main_~y~4 7), 15920#(<= ULTIMATE.start_main_~y~4 8), 15921#(<= ULTIMATE.start_main_~y~4 9), 15922#(<= ULTIMATE.start_main_~y~4 10), 15923#(<= ULTIMATE.start_main_~y~4 11), 15924#(<= ULTIMATE.start_main_~y~4 12), 15925#(<= ULTIMATE.start_main_~y~4 13), 15926#(<= ULTIMATE.start_main_~y~4 14), 15927#(<= ULTIMATE.start_main_~y~4 15), 15928#(<= ULTIMATE.start_main_~y~4 16), 15929#(<= ULTIMATE.start_main_~y~4 17), 15930#(<= ULTIMATE.start_main_~y~4 18), 15931#(<= ULTIMATE.start_main_~y~4 19), 15932#(<= ULTIMATE.start_main_~y~4 20), 15933#(<= ULTIMATE.start_main_~y~4 21), 15934#(<= ULTIMATE.start_main_~y~4 22), 15935#(<= ULTIMATE.start_main_~y~4 23), 15936#(<= ULTIMATE.start_main_~y~4 24), 15937#(<= ULTIMATE.start_main_~y~4 25), 15938#(<= ULTIMATE.start_main_~y~4 26), 15939#(<= ULTIMATE.start_main_~y~4 27), 15940#(<= ULTIMATE.start_main_~y~4 28), 15941#(<= ULTIMATE.start_main_~y~4 29), 15942#(<= ULTIMATE.start_main_~y~4 30), 15943#(<= ULTIMATE.start_main_~y~4 31), 15944#(<= ULTIMATE.start_main_~y~4 32), 15945#(<= ULTIMATE.start_main_~y~4 33), 15946#(<= ULTIMATE.start_main_~y~4 34), 15947#(<= ULTIMATE.start_main_~y~4 35), 15948#(<= ULTIMATE.start_main_~y~4 36), 15949#(<= ULTIMATE.start_main_~y~4 37), 15950#(<= ULTIMATE.start_main_~y~4 38), 15951#(<= ULTIMATE.start_main_~y~4 39), 15952#(<= ULTIMATE.start_main_~y~4 40), 15953#(<= ULTIMATE.start_main_~y~4 41), 15954#(<= ULTIMATE.start_main_~y~4 42), 15955#(<= ULTIMATE.start_main_~y~4 43), 15956#(<= ULTIMATE.start_main_~y~4 44), 15957#(<= ULTIMATE.start_main_~y~4 45), 15958#(<= ULTIMATE.start_main_~y~4 46), 15959#(<= ULTIMATE.start_main_~y~4 47), 15960#(<= ULTIMATE.start_main_~y~4 48), 15961#(<= ULTIMATE.start_main_~y~4 49), 15962#(<= ULTIMATE.start_main_~y~4 50), 15963#(<= ULTIMATE.start_main_~y~4 51), 15964#(<= ULTIMATE.start_main_~y~4 52), 15965#(<= ULTIMATE.start_main_~y~4 53), 15966#(<= ULTIMATE.start_main_~y~4 54), 15967#(<= ULTIMATE.start_main_~y~4 55), 15968#(<= ULTIMATE.start_main_~y~4 56), 15969#(<= ULTIMATE.start_main_~y~4 57), 15970#(<= ULTIMATE.start_main_~y~4 58), 15971#(<= ULTIMATE.start_main_~y~4 59), 15972#(<= ULTIMATE.start_main_~y~4 60), 15973#(<= ULTIMATE.start_main_~y~4 61), 15974#(<= ULTIMATE.start_main_~y~4 62), 15975#(<= ULTIMATE.start_main_~y~4 63), 15976#(<= ULTIMATE.start_main_~y~4 64), 15977#(<= ULTIMATE.start_main_~y~4 65), 15978#(<= ULTIMATE.start_main_~y~4 66), 15979#(<= ULTIMATE.start_main_~y~4 67), 15980#(<= ULTIMATE.start_main_~y~4 68), 15981#(<= ULTIMATE.start_main_~y~4 69), 15982#(<= ULTIMATE.start_main_~y~4 70), 15983#(<= ULTIMATE.start_main_~y~4 71), 15984#(<= ULTIMATE.start_main_~y~4 72), 15985#(<= ULTIMATE.start_main_~y~4 73), 15986#(<= ULTIMATE.start_main_~y~4 74), 15987#(<= ULTIMATE.start_main_~y~4 75)] [2018-07-23 13:37:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,287 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:37:40,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:37:40,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:37:40,289 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 78 states. [2018-07-23 13:37:40,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:40,351 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-07-23 13:37:40,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:37:40,351 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 78 [2018-07-23 13:37:40,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:40,352 INFO L225 Difference]: With dead ends: 82 [2018-07-23 13:37:40,352 INFO L226 Difference]: Without dead ends: 80 [2018-07-23 13:37:40,353 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:37:40,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-07-23 13:37:40,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-07-23 13:37:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-07-23 13:37:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-07-23 13:37:40,356 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 78 [2018-07-23 13:37:40,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:40,356 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-07-23 13:37:40,356 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:37:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-07-23 13:37:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-07-23 13:37:40,357 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:40,357 INFO L357 BasicCegarLoop]: trace histogram [76, 1, 1, 1] [2018-07-23 13:37:40,357 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:40,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1115885629, now seen corresponding path program 76 times [2018-07-23 13:37:40,357 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,593 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:40,593 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:37:40,593 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,594 INFO L185 omatonBuilderFactory]: Interpolants [16384#(<= ULTIMATE.start_main_~y~4 70), 16385#(<= ULTIMATE.start_main_~y~4 71), 16386#(<= ULTIMATE.start_main_~y~4 72), 16387#(<= ULTIMATE.start_main_~y~4 73), 16388#(<= ULTIMATE.start_main_~y~4 74), 16389#(<= ULTIMATE.start_main_~y~4 75), 16390#(<= ULTIMATE.start_main_~y~4 76), 16312#true, 16313#false, 16314#(<= ULTIMATE.start_main_~y~4 0), 16315#(<= ULTIMATE.start_main_~y~4 1), 16316#(<= ULTIMATE.start_main_~y~4 2), 16317#(<= ULTIMATE.start_main_~y~4 3), 16318#(<= ULTIMATE.start_main_~y~4 4), 16319#(<= ULTIMATE.start_main_~y~4 5), 16320#(<= ULTIMATE.start_main_~y~4 6), 16321#(<= ULTIMATE.start_main_~y~4 7), 16322#(<= ULTIMATE.start_main_~y~4 8), 16323#(<= ULTIMATE.start_main_~y~4 9), 16324#(<= ULTIMATE.start_main_~y~4 10), 16325#(<= ULTIMATE.start_main_~y~4 11), 16326#(<= ULTIMATE.start_main_~y~4 12), 16327#(<= ULTIMATE.start_main_~y~4 13), 16328#(<= ULTIMATE.start_main_~y~4 14), 16329#(<= ULTIMATE.start_main_~y~4 15), 16330#(<= ULTIMATE.start_main_~y~4 16), 16331#(<= ULTIMATE.start_main_~y~4 17), 16332#(<= ULTIMATE.start_main_~y~4 18), 16333#(<= ULTIMATE.start_main_~y~4 19), 16334#(<= ULTIMATE.start_main_~y~4 20), 16335#(<= ULTIMATE.start_main_~y~4 21), 16336#(<= ULTIMATE.start_main_~y~4 22), 16337#(<= ULTIMATE.start_main_~y~4 23), 16338#(<= ULTIMATE.start_main_~y~4 24), 16339#(<= ULTIMATE.start_main_~y~4 25), 16340#(<= ULTIMATE.start_main_~y~4 26), 16341#(<= ULTIMATE.start_main_~y~4 27), 16342#(<= ULTIMATE.start_main_~y~4 28), 16343#(<= ULTIMATE.start_main_~y~4 29), 16344#(<= ULTIMATE.start_main_~y~4 30), 16345#(<= ULTIMATE.start_main_~y~4 31), 16346#(<= ULTIMATE.start_main_~y~4 32), 16347#(<= ULTIMATE.start_main_~y~4 33), 16348#(<= ULTIMATE.start_main_~y~4 34), 16349#(<= ULTIMATE.start_main_~y~4 35), 16350#(<= ULTIMATE.start_main_~y~4 36), 16351#(<= ULTIMATE.start_main_~y~4 37), 16352#(<= ULTIMATE.start_main_~y~4 38), 16353#(<= ULTIMATE.start_main_~y~4 39), 16354#(<= ULTIMATE.start_main_~y~4 40), 16355#(<= ULTIMATE.start_main_~y~4 41), 16356#(<= ULTIMATE.start_main_~y~4 42), 16357#(<= ULTIMATE.start_main_~y~4 43), 16358#(<= ULTIMATE.start_main_~y~4 44), 16359#(<= ULTIMATE.start_main_~y~4 45), 16360#(<= ULTIMATE.start_main_~y~4 46), 16361#(<= ULTIMATE.start_main_~y~4 47), 16362#(<= ULTIMATE.start_main_~y~4 48), 16363#(<= ULTIMATE.start_main_~y~4 49), 16364#(<= ULTIMATE.start_main_~y~4 50), 16365#(<= ULTIMATE.start_main_~y~4 51), 16366#(<= ULTIMATE.start_main_~y~4 52), 16367#(<= ULTIMATE.start_main_~y~4 53), 16368#(<= ULTIMATE.start_main_~y~4 54), 16369#(<= ULTIMATE.start_main_~y~4 55), 16370#(<= ULTIMATE.start_main_~y~4 56), 16371#(<= ULTIMATE.start_main_~y~4 57), 16372#(<= ULTIMATE.start_main_~y~4 58), 16373#(<= ULTIMATE.start_main_~y~4 59), 16374#(<= ULTIMATE.start_main_~y~4 60), 16375#(<= ULTIMATE.start_main_~y~4 61), 16376#(<= ULTIMATE.start_main_~y~4 62), 16377#(<= ULTIMATE.start_main_~y~4 63), 16378#(<= ULTIMATE.start_main_~y~4 64), 16379#(<= ULTIMATE.start_main_~y~4 65), 16380#(<= ULTIMATE.start_main_~y~4 66), 16381#(<= ULTIMATE.start_main_~y~4 67), 16382#(<= ULTIMATE.start_main_~y~4 68), 16383#(<= ULTIMATE.start_main_~y~4 69)] [2018-07-23 13:37:40,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,594 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:37:40,595 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:37:40,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:37:40,596 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 79 states. [2018-07-23 13:37:40,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:40,651 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:37:40,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:37:40,651 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 79 [2018-07-23 13:37:40,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:40,652 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:37:40,652 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:37:40,654 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:37:40,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:37:40,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:37:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:37:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:37:40,658 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 79 [2018-07-23 13:37:40,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:40,659 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:37:40,659 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:37:40,659 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:37:40,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:37:40,660 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:40,660 INFO L357 BasicCegarLoop]: trace histogram [77, 1, 1, 1] [2018-07-23 13:37:40,660 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:40,661 INFO L82 PathProgramCache]: Analyzing trace with hash -232714324, now seen corresponding path program 77 times [2018-07-23 13:37:40,661 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,891 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:40,891 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:37:40,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:40,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,892 INFO L185 omatonBuilderFactory]: Interpolants [16768#(<= ULTIMATE.start_main_~y~4 47), 16769#(<= ULTIMATE.start_main_~y~4 48), 16770#(<= ULTIMATE.start_main_~y~4 49), 16771#(<= ULTIMATE.start_main_~y~4 50), 16772#(<= ULTIMATE.start_main_~y~4 51), 16773#(<= ULTIMATE.start_main_~y~4 52), 16774#(<= ULTIMATE.start_main_~y~4 53), 16775#(<= ULTIMATE.start_main_~y~4 54), 16776#(<= ULTIMATE.start_main_~y~4 55), 16777#(<= ULTIMATE.start_main_~y~4 56), 16778#(<= ULTIMATE.start_main_~y~4 57), 16779#(<= ULTIMATE.start_main_~y~4 58), 16780#(<= ULTIMATE.start_main_~y~4 59), 16781#(<= ULTIMATE.start_main_~y~4 60), 16782#(<= ULTIMATE.start_main_~y~4 61), 16783#(<= ULTIMATE.start_main_~y~4 62), 16784#(<= ULTIMATE.start_main_~y~4 63), 16785#(<= ULTIMATE.start_main_~y~4 64), 16786#(<= ULTIMATE.start_main_~y~4 65), 16787#(<= ULTIMATE.start_main_~y~4 66), 16788#(<= ULTIMATE.start_main_~y~4 67), 16789#(<= ULTIMATE.start_main_~y~4 68), 16790#(<= ULTIMATE.start_main_~y~4 69), 16791#(<= ULTIMATE.start_main_~y~4 70), 16792#(<= ULTIMATE.start_main_~y~4 71), 16793#(<= ULTIMATE.start_main_~y~4 72), 16794#(<= ULTIMATE.start_main_~y~4 73), 16795#(<= ULTIMATE.start_main_~y~4 74), 16796#(<= ULTIMATE.start_main_~y~4 75), 16797#(<= ULTIMATE.start_main_~y~4 76), 16798#(<= ULTIMATE.start_main_~y~4 77), 16719#true, 16720#false, 16721#(<= ULTIMATE.start_main_~y~4 0), 16722#(<= ULTIMATE.start_main_~y~4 1), 16723#(<= ULTIMATE.start_main_~y~4 2), 16724#(<= ULTIMATE.start_main_~y~4 3), 16725#(<= ULTIMATE.start_main_~y~4 4), 16726#(<= ULTIMATE.start_main_~y~4 5), 16727#(<= ULTIMATE.start_main_~y~4 6), 16728#(<= ULTIMATE.start_main_~y~4 7), 16729#(<= ULTIMATE.start_main_~y~4 8), 16730#(<= ULTIMATE.start_main_~y~4 9), 16731#(<= ULTIMATE.start_main_~y~4 10), 16732#(<= ULTIMATE.start_main_~y~4 11), 16733#(<= ULTIMATE.start_main_~y~4 12), 16734#(<= ULTIMATE.start_main_~y~4 13), 16735#(<= ULTIMATE.start_main_~y~4 14), 16736#(<= ULTIMATE.start_main_~y~4 15), 16737#(<= ULTIMATE.start_main_~y~4 16), 16738#(<= ULTIMATE.start_main_~y~4 17), 16739#(<= ULTIMATE.start_main_~y~4 18), 16740#(<= ULTIMATE.start_main_~y~4 19), 16741#(<= ULTIMATE.start_main_~y~4 20), 16742#(<= ULTIMATE.start_main_~y~4 21), 16743#(<= ULTIMATE.start_main_~y~4 22), 16744#(<= ULTIMATE.start_main_~y~4 23), 16745#(<= ULTIMATE.start_main_~y~4 24), 16746#(<= ULTIMATE.start_main_~y~4 25), 16747#(<= ULTIMATE.start_main_~y~4 26), 16748#(<= ULTIMATE.start_main_~y~4 27), 16749#(<= ULTIMATE.start_main_~y~4 28), 16750#(<= ULTIMATE.start_main_~y~4 29), 16751#(<= ULTIMATE.start_main_~y~4 30), 16752#(<= ULTIMATE.start_main_~y~4 31), 16753#(<= ULTIMATE.start_main_~y~4 32), 16754#(<= ULTIMATE.start_main_~y~4 33), 16755#(<= ULTIMATE.start_main_~y~4 34), 16756#(<= ULTIMATE.start_main_~y~4 35), 16757#(<= ULTIMATE.start_main_~y~4 36), 16758#(<= ULTIMATE.start_main_~y~4 37), 16759#(<= ULTIMATE.start_main_~y~4 38), 16760#(<= ULTIMATE.start_main_~y~4 39), 16761#(<= ULTIMATE.start_main_~y~4 40), 16762#(<= ULTIMATE.start_main_~y~4 41), 16763#(<= ULTIMATE.start_main_~y~4 42), 16764#(<= ULTIMATE.start_main_~y~4 43), 16765#(<= ULTIMATE.start_main_~y~4 44), 16766#(<= ULTIMATE.start_main_~y~4 45), 16767#(<= ULTIMATE.start_main_~y~4 46)] [2018-07-23 13:37:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,893 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:37:40,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:37:40,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:37:40,895 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 80 states. [2018-07-23 13:37:40,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:40,932 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2018-07-23 13:37:40,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:37:40,932 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 80 [2018-07-23 13:37:40,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:40,933 INFO L225 Difference]: With dead ends: 84 [2018-07-23 13:37:40,933 INFO L226 Difference]: Without dead ends: 82 [2018-07-23 13:37:40,934 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:37:40,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-07-23 13:37:40,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-07-23 13:37:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-07-23 13:37:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-07-23 13:37:40,937 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 80 [2018-07-23 13:37:40,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:40,937 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-07-23 13:37:40,937 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:37:40,937 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-07-23 13:37:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-07-23 13:37:40,938 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:40,938 INFO L357 BasicCegarLoop]: trace histogram [78, 1, 1, 1] [2018-07-23 13:37:40,938 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:40,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1375792355, now seen corresponding path program 78 times [2018-07-23 13:37:40,939 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,174 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:41,174 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:37:41,174 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,175 INFO L185 omatonBuilderFactory]: Interpolants [17152#(<= ULTIMATE.start_main_~y~4 19), 17153#(<= ULTIMATE.start_main_~y~4 20), 17154#(<= ULTIMATE.start_main_~y~4 21), 17155#(<= ULTIMATE.start_main_~y~4 22), 17156#(<= ULTIMATE.start_main_~y~4 23), 17157#(<= ULTIMATE.start_main_~y~4 24), 17158#(<= ULTIMATE.start_main_~y~4 25), 17159#(<= ULTIMATE.start_main_~y~4 26), 17160#(<= ULTIMATE.start_main_~y~4 27), 17161#(<= ULTIMATE.start_main_~y~4 28), 17162#(<= ULTIMATE.start_main_~y~4 29), 17163#(<= ULTIMATE.start_main_~y~4 30), 17164#(<= ULTIMATE.start_main_~y~4 31), 17165#(<= ULTIMATE.start_main_~y~4 32), 17166#(<= ULTIMATE.start_main_~y~4 33), 17167#(<= ULTIMATE.start_main_~y~4 34), 17168#(<= ULTIMATE.start_main_~y~4 35), 17169#(<= ULTIMATE.start_main_~y~4 36), 17170#(<= ULTIMATE.start_main_~y~4 37), 17171#(<= ULTIMATE.start_main_~y~4 38), 17172#(<= ULTIMATE.start_main_~y~4 39), 17173#(<= ULTIMATE.start_main_~y~4 40), 17174#(<= ULTIMATE.start_main_~y~4 41), 17175#(<= ULTIMATE.start_main_~y~4 42), 17176#(<= ULTIMATE.start_main_~y~4 43), 17177#(<= ULTIMATE.start_main_~y~4 44), 17178#(<= ULTIMATE.start_main_~y~4 45), 17179#(<= ULTIMATE.start_main_~y~4 46), 17180#(<= ULTIMATE.start_main_~y~4 47), 17181#(<= ULTIMATE.start_main_~y~4 48), 17182#(<= ULTIMATE.start_main_~y~4 49), 17183#(<= ULTIMATE.start_main_~y~4 50), 17184#(<= ULTIMATE.start_main_~y~4 51), 17185#(<= ULTIMATE.start_main_~y~4 52), 17186#(<= ULTIMATE.start_main_~y~4 53), 17187#(<= ULTIMATE.start_main_~y~4 54), 17188#(<= ULTIMATE.start_main_~y~4 55), 17189#(<= ULTIMATE.start_main_~y~4 56), 17190#(<= ULTIMATE.start_main_~y~4 57), 17191#(<= ULTIMATE.start_main_~y~4 58), 17192#(<= ULTIMATE.start_main_~y~4 59), 17193#(<= ULTIMATE.start_main_~y~4 60), 17194#(<= ULTIMATE.start_main_~y~4 61), 17195#(<= ULTIMATE.start_main_~y~4 62), 17196#(<= ULTIMATE.start_main_~y~4 63), 17197#(<= ULTIMATE.start_main_~y~4 64), 17198#(<= ULTIMATE.start_main_~y~4 65), 17199#(<= ULTIMATE.start_main_~y~4 66), 17200#(<= ULTIMATE.start_main_~y~4 67), 17201#(<= ULTIMATE.start_main_~y~4 68), 17202#(<= ULTIMATE.start_main_~y~4 69), 17203#(<= ULTIMATE.start_main_~y~4 70), 17204#(<= ULTIMATE.start_main_~y~4 71), 17205#(<= ULTIMATE.start_main_~y~4 72), 17206#(<= ULTIMATE.start_main_~y~4 73), 17207#(<= ULTIMATE.start_main_~y~4 74), 17208#(<= ULTIMATE.start_main_~y~4 75), 17209#(<= ULTIMATE.start_main_~y~4 76), 17210#(<= ULTIMATE.start_main_~y~4 77), 17211#(<= ULTIMATE.start_main_~y~4 78), 17131#true, 17132#false, 17133#(<= ULTIMATE.start_main_~y~4 0), 17134#(<= ULTIMATE.start_main_~y~4 1), 17135#(<= ULTIMATE.start_main_~y~4 2), 17136#(<= ULTIMATE.start_main_~y~4 3), 17137#(<= ULTIMATE.start_main_~y~4 4), 17138#(<= ULTIMATE.start_main_~y~4 5), 17139#(<= ULTIMATE.start_main_~y~4 6), 17140#(<= ULTIMATE.start_main_~y~4 7), 17141#(<= ULTIMATE.start_main_~y~4 8), 17142#(<= ULTIMATE.start_main_~y~4 9), 17143#(<= ULTIMATE.start_main_~y~4 10), 17144#(<= ULTIMATE.start_main_~y~4 11), 17145#(<= ULTIMATE.start_main_~y~4 12), 17146#(<= ULTIMATE.start_main_~y~4 13), 17147#(<= ULTIMATE.start_main_~y~4 14), 17148#(<= ULTIMATE.start_main_~y~4 15), 17149#(<= ULTIMATE.start_main_~y~4 16), 17150#(<= ULTIMATE.start_main_~y~4 17), 17151#(<= ULTIMATE.start_main_~y~4 18)] [2018-07-23 13:37:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,175 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:37:41,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:37:41,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:37:41,177 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 81 states. [2018-07-23 13:37:41,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:41,230 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:37:41,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:37:41,230 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 81 [2018-07-23 13:37:41,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:41,231 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:37:41,231 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:37:41,232 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:37:41,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:37:41,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:37:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:37:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:37:41,235 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 81 [2018-07-23 13:37:41,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:41,236 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:37:41,236 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:37:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:37:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:37:41,236 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:41,237 INFO L357 BasicCegarLoop]: trace histogram [79, 1, 1, 1] [2018-07-23 13:37:41,237 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:41,237 INFO L82 PathProgramCache]: Analyzing trace with hash -300108148, now seen corresponding path program 79 times [2018-07-23 13:37:41,237 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,475 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:41,475 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:37:41,476 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,476 INFO L185 omatonBuilderFactory]: Interpolants [17548#true, 17549#false, 17550#(<= ULTIMATE.start_main_~y~4 0), 17551#(<= ULTIMATE.start_main_~y~4 1), 17552#(<= ULTIMATE.start_main_~y~4 2), 17553#(<= ULTIMATE.start_main_~y~4 3), 17554#(<= ULTIMATE.start_main_~y~4 4), 17555#(<= ULTIMATE.start_main_~y~4 5), 17556#(<= ULTIMATE.start_main_~y~4 6), 17557#(<= ULTIMATE.start_main_~y~4 7), 17558#(<= ULTIMATE.start_main_~y~4 8), 17559#(<= ULTIMATE.start_main_~y~4 9), 17560#(<= ULTIMATE.start_main_~y~4 10), 17561#(<= ULTIMATE.start_main_~y~4 11), 17562#(<= ULTIMATE.start_main_~y~4 12), 17563#(<= ULTIMATE.start_main_~y~4 13), 17564#(<= ULTIMATE.start_main_~y~4 14), 17565#(<= ULTIMATE.start_main_~y~4 15), 17566#(<= ULTIMATE.start_main_~y~4 16), 17567#(<= ULTIMATE.start_main_~y~4 17), 17568#(<= ULTIMATE.start_main_~y~4 18), 17569#(<= ULTIMATE.start_main_~y~4 19), 17570#(<= ULTIMATE.start_main_~y~4 20), 17571#(<= ULTIMATE.start_main_~y~4 21), 17572#(<= ULTIMATE.start_main_~y~4 22), 17573#(<= ULTIMATE.start_main_~y~4 23), 17574#(<= ULTIMATE.start_main_~y~4 24), 17575#(<= ULTIMATE.start_main_~y~4 25), 17576#(<= ULTIMATE.start_main_~y~4 26), 17577#(<= ULTIMATE.start_main_~y~4 27), 17578#(<= ULTIMATE.start_main_~y~4 28), 17579#(<= ULTIMATE.start_main_~y~4 29), 17580#(<= ULTIMATE.start_main_~y~4 30), 17581#(<= ULTIMATE.start_main_~y~4 31), 17582#(<= ULTIMATE.start_main_~y~4 32), 17583#(<= ULTIMATE.start_main_~y~4 33), 17584#(<= ULTIMATE.start_main_~y~4 34), 17585#(<= ULTIMATE.start_main_~y~4 35), 17586#(<= ULTIMATE.start_main_~y~4 36), 17587#(<= ULTIMATE.start_main_~y~4 37), 17588#(<= ULTIMATE.start_main_~y~4 38), 17589#(<= ULTIMATE.start_main_~y~4 39), 17590#(<= ULTIMATE.start_main_~y~4 40), 17591#(<= ULTIMATE.start_main_~y~4 41), 17592#(<= ULTIMATE.start_main_~y~4 42), 17593#(<= ULTIMATE.start_main_~y~4 43), 17594#(<= ULTIMATE.start_main_~y~4 44), 17595#(<= ULTIMATE.start_main_~y~4 45), 17596#(<= ULTIMATE.start_main_~y~4 46), 17597#(<= ULTIMATE.start_main_~y~4 47), 17598#(<= ULTIMATE.start_main_~y~4 48), 17599#(<= ULTIMATE.start_main_~y~4 49), 17600#(<= ULTIMATE.start_main_~y~4 50), 17601#(<= ULTIMATE.start_main_~y~4 51), 17602#(<= ULTIMATE.start_main_~y~4 52), 17603#(<= ULTIMATE.start_main_~y~4 53), 17604#(<= ULTIMATE.start_main_~y~4 54), 17605#(<= ULTIMATE.start_main_~y~4 55), 17606#(<= ULTIMATE.start_main_~y~4 56), 17607#(<= ULTIMATE.start_main_~y~4 57), 17608#(<= ULTIMATE.start_main_~y~4 58), 17609#(<= ULTIMATE.start_main_~y~4 59), 17610#(<= ULTIMATE.start_main_~y~4 60), 17611#(<= ULTIMATE.start_main_~y~4 61), 17612#(<= ULTIMATE.start_main_~y~4 62), 17613#(<= ULTIMATE.start_main_~y~4 63), 17614#(<= ULTIMATE.start_main_~y~4 64), 17615#(<= ULTIMATE.start_main_~y~4 65), 17616#(<= ULTIMATE.start_main_~y~4 66), 17617#(<= ULTIMATE.start_main_~y~4 67), 17618#(<= ULTIMATE.start_main_~y~4 68), 17619#(<= ULTIMATE.start_main_~y~4 69), 17620#(<= ULTIMATE.start_main_~y~4 70), 17621#(<= ULTIMATE.start_main_~y~4 71), 17622#(<= ULTIMATE.start_main_~y~4 72), 17623#(<= ULTIMATE.start_main_~y~4 73), 17624#(<= ULTIMATE.start_main_~y~4 74), 17625#(<= ULTIMATE.start_main_~y~4 75), 17626#(<= ULTIMATE.start_main_~y~4 76), 17627#(<= ULTIMATE.start_main_~y~4 77), 17628#(<= ULTIMATE.start_main_~y~4 78), 17629#(<= ULTIMATE.start_main_~y~4 79)] [2018-07-23 13:37:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,477 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:37:41,478 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:37:41,478 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:37:41,478 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 82 states. [2018-07-23 13:37:41,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:41,553 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-07-23 13:37:41,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:37:41,554 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 82 [2018-07-23 13:37:41,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:41,554 INFO L225 Difference]: With dead ends: 86 [2018-07-23 13:37:41,554 INFO L226 Difference]: Without dead ends: 84 [2018-07-23 13:37:41,555 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:37:41,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-07-23 13:37:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-07-23 13:37:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-07-23 13:37:41,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-07-23 13:37:41,558 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 82 [2018-07-23 13:37:41,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:41,559 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-07-23 13:37:41,559 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:37:41,559 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-07-23 13:37:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-07-23 13:37:41,560 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:41,560 INFO L357 BasicCegarLoop]: trace histogram [80, 1, 1, 1] [2018-07-23 13:37:41,560 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:41,560 INFO L82 PathProgramCache]: Analyzing trace with hash -713416189, now seen corresponding path program 80 times [2018-07-23 13:37:41,560 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,806 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:41,806 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:37:41,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,807 INFO L185 omatonBuilderFactory]: Interpolants [18048#(<= ULTIMATE.start_main_~y~4 76), 18049#(<= ULTIMATE.start_main_~y~4 77), 18050#(<= ULTIMATE.start_main_~y~4 78), 18051#(<= ULTIMATE.start_main_~y~4 79), 18052#(<= ULTIMATE.start_main_~y~4 80), 17970#true, 17971#false, 17972#(<= ULTIMATE.start_main_~y~4 0), 17973#(<= ULTIMATE.start_main_~y~4 1), 17974#(<= ULTIMATE.start_main_~y~4 2), 17975#(<= ULTIMATE.start_main_~y~4 3), 17976#(<= ULTIMATE.start_main_~y~4 4), 17977#(<= ULTIMATE.start_main_~y~4 5), 17978#(<= ULTIMATE.start_main_~y~4 6), 17979#(<= ULTIMATE.start_main_~y~4 7), 17980#(<= ULTIMATE.start_main_~y~4 8), 17981#(<= ULTIMATE.start_main_~y~4 9), 17982#(<= ULTIMATE.start_main_~y~4 10), 17983#(<= ULTIMATE.start_main_~y~4 11), 17984#(<= ULTIMATE.start_main_~y~4 12), 17985#(<= ULTIMATE.start_main_~y~4 13), 17986#(<= ULTIMATE.start_main_~y~4 14), 17987#(<= ULTIMATE.start_main_~y~4 15), 17988#(<= ULTIMATE.start_main_~y~4 16), 17989#(<= ULTIMATE.start_main_~y~4 17), 17990#(<= ULTIMATE.start_main_~y~4 18), 17991#(<= ULTIMATE.start_main_~y~4 19), 17992#(<= ULTIMATE.start_main_~y~4 20), 17993#(<= ULTIMATE.start_main_~y~4 21), 17994#(<= ULTIMATE.start_main_~y~4 22), 17995#(<= ULTIMATE.start_main_~y~4 23), 17996#(<= ULTIMATE.start_main_~y~4 24), 17997#(<= ULTIMATE.start_main_~y~4 25), 17998#(<= ULTIMATE.start_main_~y~4 26), 17999#(<= ULTIMATE.start_main_~y~4 27), 18000#(<= ULTIMATE.start_main_~y~4 28), 18001#(<= ULTIMATE.start_main_~y~4 29), 18002#(<= ULTIMATE.start_main_~y~4 30), 18003#(<= ULTIMATE.start_main_~y~4 31), 18004#(<= ULTIMATE.start_main_~y~4 32), 18005#(<= ULTIMATE.start_main_~y~4 33), 18006#(<= ULTIMATE.start_main_~y~4 34), 18007#(<= ULTIMATE.start_main_~y~4 35), 18008#(<= ULTIMATE.start_main_~y~4 36), 18009#(<= ULTIMATE.start_main_~y~4 37), 18010#(<= ULTIMATE.start_main_~y~4 38), 18011#(<= ULTIMATE.start_main_~y~4 39), 18012#(<= ULTIMATE.start_main_~y~4 40), 18013#(<= ULTIMATE.start_main_~y~4 41), 18014#(<= ULTIMATE.start_main_~y~4 42), 18015#(<= ULTIMATE.start_main_~y~4 43), 18016#(<= ULTIMATE.start_main_~y~4 44), 18017#(<= ULTIMATE.start_main_~y~4 45), 18018#(<= ULTIMATE.start_main_~y~4 46), 18019#(<= ULTIMATE.start_main_~y~4 47), 18020#(<= ULTIMATE.start_main_~y~4 48), 18021#(<= ULTIMATE.start_main_~y~4 49), 18022#(<= ULTIMATE.start_main_~y~4 50), 18023#(<= ULTIMATE.start_main_~y~4 51), 18024#(<= ULTIMATE.start_main_~y~4 52), 18025#(<= ULTIMATE.start_main_~y~4 53), 18026#(<= ULTIMATE.start_main_~y~4 54), 18027#(<= ULTIMATE.start_main_~y~4 55), 18028#(<= ULTIMATE.start_main_~y~4 56), 18029#(<= ULTIMATE.start_main_~y~4 57), 18030#(<= ULTIMATE.start_main_~y~4 58), 18031#(<= ULTIMATE.start_main_~y~4 59), 18032#(<= ULTIMATE.start_main_~y~4 60), 18033#(<= ULTIMATE.start_main_~y~4 61), 18034#(<= ULTIMATE.start_main_~y~4 62), 18035#(<= ULTIMATE.start_main_~y~4 63), 18036#(<= ULTIMATE.start_main_~y~4 64), 18037#(<= ULTIMATE.start_main_~y~4 65), 18038#(<= ULTIMATE.start_main_~y~4 66), 18039#(<= ULTIMATE.start_main_~y~4 67), 18040#(<= ULTIMATE.start_main_~y~4 68), 18041#(<= ULTIMATE.start_main_~y~4 69), 18042#(<= ULTIMATE.start_main_~y~4 70), 18043#(<= ULTIMATE.start_main_~y~4 71), 18044#(<= ULTIMATE.start_main_~y~4 72), 18045#(<= ULTIMATE.start_main_~y~4 73), 18046#(<= ULTIMATE.start_main_~y~4 74), 18047#(<= ULTIMATE.start_main_~y~4 75)] [2018-07-23 13:37:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,808 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:37:41,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:37:41,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:37:41,809 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 83 states. [2018-07-23 13:37:41,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:41,870 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:37:41,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:37:41,870 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 83 [2018-07-23 13:37:41,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:41,871 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:37:41,871 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:37:41,872 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:37:41,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:37:41,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:37:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:37:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:37:41,876 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 83 [2018-07-23 13:37:41,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:41,876 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:37:41,876 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:37:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:37:41,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:37:41,877 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:41,877 INFO L357 BasicCegarLoop]: trace histogram [81, 1, 1, 1] [2018-07-23 13:37:41,878 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:41,878 INFO L82 PathProgramCache]: Analyzing trace with hash -641063572, now seen corresponding path program 81 times [2018-07-23 13:37:41,878 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,205 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:42,205 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:37:42,205 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,206 INFO L185 omatonBuilderFactory]: Interpolants [18432#(<= ULTIMATE.start_main_~y~4 33), 18433#(<= ULTIMATE.start_main_~y~4 34), 18434#(<= ULTIMATE.start_main_~y~4 35), 18435#(<= ULTIMATE.start_main_~y~4 36), 18436#(<= ULTIMATE.start_main_~y~4 37), 18437#(<= ULTIMATE.start_main_~y~4 38), 18438#(<= ULTIMATE.start_main_~y~4 39), 18439#(<= ULTIMATE.start_main_~y~4 40), 18440#(<= ULTIMATE.start_main_~y~4 41), 18441#(<= ULTIMATE.start_main_~y~4 42), 18442#(<= ULTIMATE.start_main_~y~4 43), 18443#(<= ULTIMATE.start_main_~y~4 44), 18444#(<= ULTIMATE.start_main_~y~4 45), 18445#(<= ULTIMATE.start_main_~y~4 46), 18446#(<= ULTIMATE.start_main_~y~4 47), 18447#(<= ULTIMATE.start_main_~y~4 48), 18448#(<= ULTIMATE.start_main_~y~4 49), 18449#(<= ULTIMATE.start_main_~y~4 50), 18450#(<= ULTIMATE.start_main_~y~4 51), 18451#(<= ULTIMATE.start_main_~y~4 52), 18452#(<= ULTIMATE.start_main_~y~4 53), 18453#(<= ULTIMATE.start_main_~y~4 54), 18454#(<= ULTIMATE.start_main_~y~4 55), 18455#(<= ULTIMATE.start_main_~y~4 56), 18456#(<= ULTIMATE.start_main_~y~4 57), 18457#(<= ULTIMATE.start_main_~y~4 58), 18458#(<= ULTIMATE.start_main_~y~4 59), 18459#(<= ULTIMATE.start_main_~y~4 60), 18460#(<= ULTIMATE.start_main_~y~4 61), 18461#(<= ULTIMATE.start_main_~y~4 62), 18462#(<= ULTIMATE.start_main_~y~4 63), 18463#(<= ULTIMATE.start_main_~y~4 64), 18464#(<= ULTIMATE.start_main_~y~4 65), 18465#(<= ULTIMATE.start_main_~y~4 66), 18466#(<= ULTIMATE.start_main_~y~4 67), 18467#(<= ULTIMATE.start_main_~y~4 68), 18468#(<= ULTIMATE.start_main_~y~4 69), 18469#(<= ULTIMATE.start_main_~y~4 70), 18470#(<= ULTIMATE.start_main_~y~4 71), 18471#(<= ULTIMATE.start_main_~y~4 72), 18472#(<= ULTIMATE.start_main_~y~4 73), 18473#(<= ULTIMATE.start_main_~y~4 74), 18474#(<= ULTIMATE.start_main_~y~4 75), 18475#(<= ULTIMATE.start_main_~y~4 76), 18476#(<= ULTIMATE.start_main_~y~4 77), 18477#(<= ULTIMATE.start_main_~y~4 78), 18478#(<= ULTIMATE.start_main_~y~4 79), 18479#(<= ULTIMATE.start_main_~y~4 80), 18480#(<= ULTIMATE.start_main_~y~4 81), 18397#true, 18398#false, 18399#(<= ULTIMATE.start_main_~y~4 0), 18400#(<= ULTIMATE.start_main_~y~4 1), 18401#(<= ULTIMATE.start_main_~y~4 2), 18402#(<= ULTIMATE.start_main_~y~4 3), 18403#(<= ULTIMATE.start_main_~y~4 4), 18404#(<= ULTIMATE.start_main_~y~4 5), 18405#(<= ULTIMATE.start_main_~y~4 6), 18406#(<= ULTIMATE.start_main_~y~4 7), 18407#(<= ULTIMATE.start_main_~y~4 8), 18408#(<= ULTIMATE.start_main_~y~4 9), 18409#(<= ULTIMATE.start_main_~y~4 10), 18410#(<= ULTIMATE.start_main_~y~4 11), 18411#(<= ULTIMATE.start_main_~y~4 12), 18412#(<= ULTIMATE.start_main_~y~4 13), 18413#(<= ULTIMATE.start_main_~y~4 14), 18414#(<= ULTIMATE.start_main_~y~4 15), 18415#(<= ULTIMATE.start_main_~y~4 16), 18416#(<= ULTIMATE.start_main_~y~4 17), 18417#(<= ULTIMATE.start_main_~y~4 18), 18418#(<= ULTIMATE.start_main_~y~4 19), 18419#(<= ULTIMATE.start_main_~y~4 20), 18420#(<= ULTIMATE.start_main_~y~4 21), 18421#(<= ULTIMATE.start_main_~y~4 22), 18422#(<= ULTIMATE.start_main_~y~4 23), 18423#(<= ULTIMATE.start_main_~y~4 24), 18424#(<= ULTIMATE.start_main_~y~4 25), 18425#(<= ULTIMATE.start_main_~y~4 26), 18426#(<= ULTIMATE.start_main_~y~4 27), 18427#(<= ULTIMATE.start_main_~y~4 28), 18428#(<= ULTIMATE.start_main_~y~4 29), 18429#(<= ULTIMATE.start_main_~y~4 30), 18430#(<= ULTIMATE.start_main_~y~4 31), 18431#(<= ULTIMATE.start_main_~y~4 32)] [2018-07-23 13:37:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,207 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:37:42,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:37:42,209 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:37:42,209 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 84 states. [2018-07-23 13:37:42,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:42,258 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-07-23 13:37:42,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:37:42,258 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 84 [2018-07-23 13:37:42,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:42,259 INFO L225 Difference]: With dead ends: 88 [2018-07-23 13:37:42,259 INFO L226 Difference]: Without dead ends: 86 [2018-07-23 13:37:42,261 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:37:42,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-07-23 13:37:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-07-23 13:37:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-07-23 13:37:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-07-23 13:37:42,264 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 86 transitions. Word has length 84 [2018-07-23 13:37:42,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:42,264 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 86 transitions. [2018-07-23 13:37:42,265 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:37:42,265 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-07-23 13:37:42,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-07-23 13:37:42,265 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:42,266 INFO L357 BasicCegarLoop]: trace histogram [82, 1, 1, 1] [2018-07-23 13:37:42,266 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:42,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1601867555, now seen corresponding path program 82 times [2018-07-23 13:37:42,266 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,521 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:42,521 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:37:42,521 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,522 INFO L185 omatonBuilderFactory]: Interpolants [18829#true, 18830#false, 18831#(<= ULTIMATE.start_main_~y~4 0), 18832#(<= ULTIMATE.start_main_~y~4 1), 18833#(<= ULTIMATE.start_main_~y~4 2), 18834#(<= ULTIMATE.start_main_~y~4 3), 18835#(<= ULTIMATE.start_main_~y~4 4), 18836#(<= ULTIMATE.start_main_~y~4 5), 18837#(<= ULTIMATE.start_main_~y~4 6), 18838#(<= ULTIMATE.start_main_~y~4 7), 18839#(<= ULTIMATE.start_main_~y~4 8), 18840#(<= ULTIMATE.start_main_~y~4 9), 18841#(<= ULTIMATE.start_main_~y~4 10), 18842#(<= ULTIMATE.start_main_~y~4 11), 18843#(<= ULTIMATE.start_main_~y~4 12), 18844#(<= ULTIMATE.start_main_~y~4 13), 18845#(<= ULTIMATE.start_main_~y~4 14), 18846#(<= ULTIMATE.start_main_~y~4 15), 18847#(<= ULTIMATE.start_main_~y~4 16), 18848#(<= ULTIMATE.start_main_~y~4 17), 18849#(<= ULTIMATE.start_main_~y~4 18), 18850#(<= ULTIMATE.start_main_~y~4 19), 18851#(<= ULTIMATE.start_main_~y~4 20), 18852#(<= ULTIMATE.start_main_~y~4 21), 18853#(<= ULTIMATE.start_main_~y~4 22), 18854#(<= ULTIMATE.start_main_~y~4 23), 18855#(<= ULTIMATE.start_main_~y~4 24), 18856#(<= ULTIMATE.start_main_~y~4 25), 18857#(<= ULTIMATE.start_main_~y~4 26), 18858#(<= ULTIMATE.start_main_~y~4 27), 18859#(<= ULTIMATE.start_main_~y~4 28), 18860#(<= ULTIMATE.start_main_~y~4 29), 18861#(<= ULTIMATE.start_main_~y~4 30), 18862#(<= ULTIMATE.start_main_~y~4 31), 18863#(<= ULTIMATE.start_main_~y~4 32), 18864#(<= ULTIMATE.start_main_~y~4 33), 18865#(<= ULTIMATE.start_main_~y~4 34), 18866#(<= ULTIMATE.start_main_~y~4 35), 18867#(<= ULTIMATE.start_main_~y~4 36), 18868#(<= ULTIMATE.start_main_~y~4 37), 18869#(<= ULTIMATE.start_main_~y~4 38), 18870#(<= ULTIMATE.start_main_~y~4 39), 18871#(<= ULTIMATE.start_main_~y~4 40), 18872#(<= ULTIMATE.start_main_~y~4 41), 18873#(<= ULTIMATE.start_main_~y~4 42), 18874#(<= ULTIMATE.start_main_~y~4 43), 18875#(<= ULTIMATE.start_main_~y~4 44), 18876#(<= ULTIMATE.start_main_~y~4 45), 18877#(<= ULTIMATE.start_main_~y~4 46), 18878#(<= ULTIMATE.start_main_~y~4 47), 18879#(<= ULTIMATE.start_main_~y~4 48), 18880#(<= ULTIMATE.start_main_~y~4 49), 18881#(<= ULTIMATE.start_main_~y~4 50), 18882#(<= ULTIMATE.start_main_~y~4 51), 18883#(<= ULTIMATE.start_main_~y~4 52), 18884#(<= ULTIMATE.start_main_~y~4 53), 18885#(<= ULTIMATE.start_main_~y~4 54), 18886#(<= ULTIMATE.start_main_~y~4 55), 18887#(<= ULTIMATE.start_main_~y~4 56), 18888#(<= ULTIMATE.start_main_~y~4 57), 18889#(<= ULTIMATE.start_main_~y~4 58), 18890#(<= ULTIMATE.start_main_~y~4 59), 18891#(<= ULTIMATE.start_main_~y~4 60), 18892#(<= ULTIMATE.start_main_~y~4 61), 18893#(<= ULTIMATE.start_main_~y~4 62), 18894#(<= ULTIMATE.start_main_~y~4 63), 18895#(<= ULTIMATE.start_main_~y~4 64), 18896#(<= ULTIMATE.start_main_~y~4 65), 18897#(<= ULTIMATE.start_main_~y~4 66), 18898#(<= ULTIMATE.start_main_~y~4 67), 18899#(<= ULTIMATE.start_main_~y~4 68), 18900#(<= ULTIMATE.start_main_~y~4 69), 18901#(<= ULTIMATE.start_main_~y~4 70), 18902#(<= ULTIMATE.start_main_~y~4 71), 18903#(<= ULTIMATE.start_main_~y~4 72), 18904#(<= ULTIMATE.start_main_~y~4 73), 18905#(<= ULTIMATE.start_main_~y~4 74), 18906#(<= ULTIMATE.start_main_~y~4 75), 18907#(<= ULTIMATE.start_main_~y~4 76), 18908#(<= ULTIMATE.start_main_~y~4 77), 18909#(<= ULTIMATE.start_main_~y~4 78), 18910#(<= ULTIMATE.start_main_~y~4 79), 18911#(<= ULTIMATE.start_main_~y~4 80), 18912#(<= ULTIMATE.start_main_~y~4 81), 18913#(<= ULTIMATE.start_main_~y~4 82)] [2018-07-23 13:37:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,523 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:37:42,523 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:37:42,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:37:42,524 INFO L87 Difference]: Start difference. First operand 86 states and 86 transitions. Second operand 85 states. [2018-07-23 13:37:42,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:42,605 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:37:42,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:37:42,605 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 85 [2018-07-23 13:37:42,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:42,606 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:37:42,606 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:37:42,607 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:37:42,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:37:42,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:37:42,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:37:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:37:42,610 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 85 [2018-07-23 13:37:42,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:42,610 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:37:42,610 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:37:42,610 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:37:42,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:37:42,611 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:42,611 INFO L357 BasicCegarLoop]: trace histogram [83, 1, 1, 1] [2018-07-23 13:37:42,611 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:42,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1881711540, now seen corresponding path program 83 times [2018-07-23 13:37:42,611 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,819 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:42,819 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:37:42,819 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,820 INFO L185 omatonBuilderFactory]: Interpolants [19328#(<= ULTIMATE.start_main_~y~4 60), 19329#(<= ULTIMATE.start_main_~y~4 61), 19330#(<= ULTIMATE.start_main_~y~4 62), 19331#(<= ULTIMATE.start_main_~y~4 63), 19332#(<= ULTIMATE.start_main_~y~4 64), 19333#(<= ULTIMATE.start_main_~y~4 65), 19334#(<= ULTIMATE.start_main_~y~4 66), 19335#(<= ULTIMATE.start_main_~y~4 67), 19336#(<= ULTIMATE.start_main_~y~4 68), 19337#(<= ULTIMATE.start_main_~y~4 69), 19338#(<= ULTIMATE.start_main_~y~4 70), 19339#(<= ULTIMATE.start_main_~y~4 71), 19340#(<= ULTIMATE.start_main_~y~4 72), 19341#(<= ULTIMATE.start_main_~y~4 73), 19342#(<= ULTIMATE.start_main_~y~4 74), 19343#(<= ULTIMATE.start_main_~y~4 75), 19344#(<= ULTIMATE.start_main_~y~4 76), 19345#(<= ULTIMATE.start_main_~y~4 77), 19346#(<= ULTIMATE.start_main_~y~4 78), 19347#(<= ULTIMATE.start_main_~y~4 79), 19348#(<= ULTIMATE.start_main_~y~4 80), 19349#(<= ULTIMATE.start_main_~y~4 81), 19350#(<= ULTIMATE.start_main_~y~4 82), 19351#(<= ULTIMATE.start_main_~y~4 83), 19266#true, 19267#false, 19268#(<= ULTIMATE.start_main_~y~4 0), 19269#(<= ULTIMATE.start_main_~y~4 1), 19270#(<= ULTIMATE.start_main_~y~4 2), 19271#(<= ULTIMATE.start_main_~y~4 3), 19272#(<= ULTIMATE.start_main_~y~4 4), 19273#(<= ULTIMATE.start_main_~y~4 5), 19274#(<= ULTIMATE.start_main_~y~4 6), 19275#(<= ULTIMATE.start_main_~y~4 7), 19276#(<= ULTIMATE.start_main_~y~4 8), 19277#(<= ULTIMATE.start_main_~y~4 9), 19278#(<= ULTIMATE.start_main_~y~4 10), 19279#(<= ULTIMATE.start_main_~y~4 11), 19280#(<= ULTIMATE.start_main_~y~4 12), 19281#(<= ULTIMATE.start_main_~y~4 13), 19282#(<= ULTIMATE.start_main_~y~4 14), 19283#(<= ULTIMATE.start_main_~y~4 15), 19284#(<= ULTIMATE.start_main_~y~4 16), 19285#(<= ULTIMATE.start_main_~y~4 17), 19286#(<= ULTIMATE.start_main_~y~4 18), 19287#(<= ULTIMATE.start_main_~y~4 19), 19288#(<= ULTIMATE.start_main_~y~4 20), 19289#(<= ULTIMATE.start_main_~y~4 21), 19290#(<= ULTIMATE.start_main_~y~4 22), 19291#(<= ULTIMATE.start_main_~y~4 23), 19292#(<= ULTIMATE.start_main_~y~4 24), 19293#(<= ULTIMATE.start_main_~y~4 25), 19294#(<= ULTIMATE.start_main_~y~4 26), 19295#(<= ULTIMATE.start_main_~y~4 27), 19296#(<= ULTIMATE.start_main_~y~4 28), 19297#(<= ULTIMATE.start_main_~y~4 29), 19298#(<= ULTIMATE.start_main_~y~4 30), 19299#(<= ULTIMATE.start_main_~y~4 31), 19300#(<= ULTIMATE.start_main_~y~4 32), 19301#(<= ULTIMATE.start_main_~y~4 33), 19302#(<= ULTIMATE.start_main_~y~4 34), 19303#(<= ULTIMATE.start_main_~y~4 35), 19304#(<= ULTIMATE.start_main_~y~4 36), 19305#(<= ULTIMATE.start_main_~y~4 37), 19306#(<= ULTIMATE.start_main_~y~4 38), 19307#(<= ULTIMATE.start_main_~y~4 39), 19308#(<= ULTIMATE.start_main_~y~4 40), 19309#(<= ULTIMATE.start_main_~y~4 41), 19310#(<= ULTIMATE.start_main_~y~4 42), 19311#(<= ULTIMATE.start_main_~y~4 43), 19312#(<= ULTIMATE.start_main_~y~4 44), 19313#(<= ULTIMATE.start_main_~y~4 45), 19314#(<= ULTIMATE.start_main_~y~4 46), 19315#(<= ULTIMATE.start_main_~y~4 47), 19316#(<= ULTIMATE.start_main_~y~4 48), 19317#(<= ULTIMATE.start_main_~y~4 49), 19318#(<= ULTIMATE.start_main_~y~4 50), 19319#(<= ULTIMATE.start_main_~y~4 51), 19320#(<= ULTIMATE.start_main_~y~4 52), 19321#(<= ULTIMATE.start_main_~y~4 53), 19322#(<= ULTIMATE.start_main_~y~4 54), 19323#(<= ULTIMATE.start_main_~y~4 55), 19324#(<= ULTIMATE.start_main_~y~4 56), 19325#(<= ULTIMATE.start_main_~y~4 57), 19326#(<= ULTIMATE.start_main_~y~4 58), 19327#(<= ULTIMATE.start_main_~y~4 59)] [2018-07-23 13:37:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,820 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:37:42,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:37:42,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:37:42,821 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 86 states. [2018-07-23 13:37:42,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:42,865 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-07-23 13:37:42,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:37:42,866 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 86 [2018-07-23 13:37:42,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:42,867 INFO L225 Difference]: With dead ends: 90 [2018-07-23 13:37:42,867 INFO L226 Difference]: Without dead ends: 88 [2018-07-23 13:37:42,867 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:37:42,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-07-23 13:37:42,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-07-23 13:37:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-07-23 13:37:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-07-23 13:37:42,870 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 86 [2018-07-23 13:37:42,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:42,871 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-07-23 13:37:42,871 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:37:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-07-23 13:37:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-07-23 13:37:42,872 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:42,872 INFO L357 BasicCegarLoop]: trace histogram [84, 1, 1, 1] [2018-07-23 13:37:42,872 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:42,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1796486211, now seen corresponding path program 84 times [2018-07-23 13:37:42,872 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,124 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:43,124 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:37:43,124 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:43,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,125 INFO L185 omatonBuilderFactory]: Interpolants [19712#(<= ULTIMATE.start_main_~y~4 2), 19713#(<= ULTIMATE.start_main_~y~4 3), 19714#(<= ULTIMATE.start_main_~y~4 4), 19715#(<= ULTIMATE.start_main_~y~4 5), 19716#(<= ULTIMATE.start_main_~y~4 6), 19717#(<= ULTIMATE.start_main_~y~4 7), 19718#(<= ULTIMATE.start_main_~y~4 8), 19719#(<= ULTIMATE.start_main_~y~4 9), 19720#(<= ULTIMATE.start_main_~y~4 10), 19721#(<= ULTIMATE.start_main_~y~4 11), 19722#(<= ULTIMATE.start_main_~y~4 12), 19723#(<= ULTIMATE.start_main_~y~4 13), 19724#(<= ULTIMATE.start_main_~y~4 14), 19725#(<= ULTIMATE.start_main_~y~4 15), 19726#(<= ULTIMATE.start_main_~y~4 16), 19727#(<= ULTIMATE.start_main_~y~4 17), 19728#(<= ULTIMATE.start_main_~y~4 18), 19729#(<= ULTIMATE.start_main_~y~4 19), 19730#(<= ULTIMATE.start_main_~y~4 20), 19731#(<= ULTIMATE.start_main_~y~4 21), 19732#(<= ULTIMATE.start_main_~y~4 22), 19733#(<= ULTIMATE.start_main_~y~4 23), 19734#(<= ULTIMATE.start_main_~y~4 24), 19735#(<= ULTIMATE.start_main_~y~4 25), 19736#(<= ULTIMATE.start_main_~y~4 26), 19737#(<= ULTIMATE.start_main_~y~4 27), 19738#(<= ULTIMATE.start_main_~y~4 28), 19739#(<= ULTIMATE.start_main_~y~4 29), 19740#(<= ULTIMATE.start_main_~y~4 30), 19741#(<= ULTIMATE.start_main_~y~4 31), 19742#(<= ULTIMATE.start_main_~y~4 32), 19743#(<= ULTIMATE.start_main_~y~4 33), 19744#(<= ULTIMATE.start_main_~y~4 34), 19745#(<= ULTIMATE.start_main_~y~4 35), 19746#(<= ULTIMATE.start_main_~y~4 36), 19747#(<= ULTIMATE.start_main_~y~4 37), 19748#(<= ULTIMATE.start_main_~y~4 38), 19749#(<= ULTIMATE.start_main_~y~4 39), 19750#(<= ULTIMATE.start_main_~y~4 40), 19751#(<= ULTIMATE.start_main_~y~4 41), 19752#(<= ULTIMATE.start_main_~y~4 42), 19753#(<= ULTIMATE.start_main_~y~4 43), 19754#(<= ULTIMATE.start_main_~y~4 44), 19755#(<= ULTIMATE.start_main_~y~4 45), 19756#(<= ULTIMATE.start_main_~y~4 46), 19757#(<= ULTIMATE.start_main_~y~4 47), 19758#(<= ULTIMATE.start_main_~y~4 48), 19759#(<= ULTIMATE.start_main_~y~4 49), 19760#(<= ULTIMATE.start_main_~y~4 50), 19761#(<= ULTIMATE.start_main_~y~4 51), 19762#(<= ULTIMATE.start_main_~y~4 52), 19763#(<= ULTIMATE.start_main_~y~4 53), 19764#(<= ULTIMATE.start_main_~y~4 54), 19765#(<= ULTIMATE.start_main_~y~4 55), 19766#(<= ULTIMATE.start_main_~y~4 56), 19767#(<= ULTIMATE.start_main_~y~4 57), 19768#(<= ULTIMATE.start_main_~y~4 58), 19769#(<= ULTIMATE.start_main_~y~4 59), 19770#(<= ULTIMATE.start_main_~y~4 60), 19771#(<= ULTIMATE.start_main_~y~4 61), 19772#(<= ULTIMATE.start_main_~y~4 62), 19773#(<= ULTIMATE.start_main_~y~4 63), 19774#(<= ULTIMATE.start_main_~y~4 64), 19775#(<= ULTIMATE.start_main_~y~4 65), 19776#(<= ULTIMATE.start_main_~y~4 66), 19777#(<= ULTIMATE.start_main_~y~4 67), 19778#(<= ULTIMATE.start_main_~y~4 68), 19779#(<= ULTIMATE.start_main_~y~4 69), 19780#(<= ULTIMATE.start_main_~y~4 70), 19781#(<= ULTIMATE.start_main_~y~4 71), 19782#(<= ULTIMATE.start_main_~y~4 72), 19783#(<= ULTIMATE.start_main_~y~4 73), 19784#(<= ULTIMATE.start_main_~y~4 74), 19785#(<= ULTIMATE.start_main_~y~4 75), 19786#(<= ULTIMATE.start_main_~y~4 76), 19787#(<= ULTIMATE.start_main_~y~4 77), 19788#(<= ULTIMATE.start_main_~y~4 78), 19789#(<= ULTIMATE.start_main_~y~4 79), 19790#(<= ULTIMATE.start_main_~y~4 80), 19791#(<= ULTIMATE.start_main_~y~4 81), 19792#(<= ULTIMATE.start_main_~y~4 82), 19793#(<= ULTIMATE.start_main_~y~4 83), 19794#(<= ULTIMATE.start_main_~y~4 84), 19708#true, 19709#false, 19710#(<= ULTIMATE.start_main_~y~4 0), 19711#(<= ULTIMATE.start_main_~y~4 1)] [2018-07-23 13:37:43,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,126 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:37:43,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:37:43,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:37:43,127 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 87 states. [2018-07-23 13:37:43,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:43,205 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:37:43,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:37:43,205 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 87 [2018-07-23 13:37:43,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:43,206 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:37:43,206 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:37:43,207 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:37:43,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:37:43,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:37:43,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:37:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:37:43,210 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 87 [2018-07-23 13:37:43,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:43,210 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:37:43,210 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:37:43,210 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:37:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:37:43,211 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:43,211 INFO L357 BasicCegarLoop]: trace histogram [85, 1, 1, 1] [2018-07-23 13:37:43,211 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:43,211 INFO L82 PathProgramCache]: Analyzing trace with hash -143500500, now seen corresponding path program 85 times [2018-07-23 13:37:43,212 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,456 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:43,456 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:37:43,456 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,456 INFO L185 omatonBuilderFactory]: Interpolants [20224#(<= ULTIMATE.start_main_~y~4 67), 20225#(<= ULTIMATE.start_main_~y~4 68), 20226#(<= ULTIMATE.start_main_~y~4 69), 20227#(<= ULTIMATE.start_main_~y~4 70), 20228#(<= ULTIMATE.start_main_~y~4 71), 20229#(<= ULTIMATE.start_main_~y~4 72), 20230#(<= ULTIMATE.start_main_~y~4 73), 20231#(<= ULTIMATE.start_main_~y~4 74), 20232#(<= ULTIMATE.start_main_~y~4 75), 20233#(<= ULTIMATE.start_main_~y~4 76), 20234#(<= ULTIMATE.start_main_~y~4 77), 20235#(<= ULTIMATE.start_main_~y~4 78), 20236#(<= ULTIMATE.start_main_~y~4 79), 20237#(<= ULTIMATE.start_main_~y~4 80), 20238#(<= ULTIMATE.start_main_~y~4 81), 20239#(<= ULTIMATE.start_main_~y~4 82), 20240#(<= ULTIMATE.start_main_~y~4 83), 20241#(<= ULTIMATE.start_main_~y~4 84), 20242#(<= ULTIMATE.start_main_~y~4 85), 20155#true, 20156#false, 20157#(<= ULTIMATE.start_main_~y~4 0), 20158#(<= ULTIMATE.start_main_~y~4 1), 20159#(<= ULTIMATE.start_main_~y~4 2), 20160#(<= ULTIMATE.start_main_~y~4 3), 20161#(<= ULTIMATE.start_main_~y~4 4), 20162#(<= ULTIMATE.start_main_~y~4 5), 20163#(<= ULTIMATE.start_main_~y~4 6), 20164#(<= ULTIMATE.start_main_~y~4 7), 20165#(<= ULTIMATE.start_main_~y~4 8), 20166#(<= ULTIMATE.start_main_~y~4 9), 20167#(<= ULTIMATE.start_main_~y~4 10), 20168#(<= ULTIMATE.start_main_~y~4 11), 20169#(<= ULTIMATE.start_main_~y~4 12), 20170#(<= ULTIMATE.start_main_~y~4 13), 20171#(<= ULTIMATE.start_main_~y~4 14), 20172#(<= ULTIMATE.start_main_~y~4 15), 20173#(<= ULTIMATE.start_main_~y~4 16), 20174#(<= ULTIMATE.start_main_~y~4 17), 20175#(<= ULTIMATE.start_main_~y~4 18), 20176#(<= ULTIMATE.start_main_~y~4 19), 20177#(<= ULTIMATE.start_main_~y~4 20), 20178#(<= ULTIMATE.start_main_~y~4 21), 20179#(<= ULTIMATE.start_main_~y~4 22), 20180#(<= ULTIMATE.start_main_~y~4 23), 20181#(<= ULTIMATE.start_main_~y~4 24), 20182#(<= ULTIMATE.start_main_~y~4 25), 20183#(<= ULTIMATE.start_main_~y~4 26), 20184#(<= ULTIMATE.start_main_~y~4 27), 20185#(<= ULTIMATE.start_main_~y~4 28), 20186#(<= ULTIMATE.start_main_~y~4 29), 20187#(<= ULTIMATE.start_main_~y~4 30), 20188#(<= ULTIMATE.start_main_~y~4 31), 20189#(<= ULTIMATE.start_main_~y~4 32), 20190#(<= ULTIMATE.start_main_~y~4 33), 20191#(<= ULTIMATE.start_main_~y~4 34), 20192#(<= ULTIMATE.start_main_~y~4 35), 20193#(<= ULTIMATE.start_main_~y~4 36), 20194#(<= ULTIMATE.start_main_~y~4 37), 20195#(<= ULTIMATE.start_main_~y~4 38), 20196#(<= ULTIMATE.start_main_~y~4 39), 20197#(<= ULTIMATE.start_main_~y~4 40), 20198#(<= ULTIMATE.start_main_~y~4 41), 20199#(<= ULTIMATE.start_main_~y~4 42), 20200#(<= ULTIMATE.start_main_~y~4 43), 20201#(<= ULTIMATE.start_main_~y~4 44), 20202#(<= ULTIMATE.start_main_~y~4 45), 20203#(<= ULTIMATE.start_main_~y~4 46), 20204#(<= ULTIMATE.start_main_~y~4 47), 20205#(<= ULTIMATE.start_main_~y~4 48), 20206#(<= ULTIMATE.start_main_~y~4 49), 20207#(<= ULTIMATE.start_main_~y~4 50), 20208#(<= ULTIMATE.start_main_~y~4 51), 20209#(<= ULTIMATE.start_main_~y~4 52), 20210#(<= ULTIMATE.start_main_~y~4 53), 20211#(<= ULTIMATE.start_main_~y~4 54), 20212#(<= ULTIMATE.start_main_~y~4 55), 20213#(<= ULTIMATE.start_main_~y~4 56), 20214#(<= ULTIMATE.start_main_~y~4 57), 20215#(<= ULTIMATE.start_main_~y~4 58), 20216#(<= ULTIMATE.start_main_~y~4 59), 20217#(<= ULTIMATE.start_main_~y~4 60), 20218#(<= ULTIMATE.start_main_~y~4 61), 20219#(<= ULTIMATE.start_main_~y~4 62), 20220#(<= ULTIMATE.start_main_~y~4 63), 20221#(<= ULTIMATE.start_main_~y~4 64), 20222#(<= ULTIMATE.start_main_~y~4 65), 20223#(<= ULTIMATE.start_main_~y~4 66)] [2018-07-23 13:37:43,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,457 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:37:43,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:37:43,458 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:37:43,458 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 88 states. [2018-07-23 13:37:43,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:43,508 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-07-23 13:37:43,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:37:43,508 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 88 [2018-07-23 13:37:43,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:43,509 INFO L225 Difference]: With dead ends: 92 [2018-07-23 13:37:43,509 INFO L226 Difference]: Without dead ends: 90 [2018-07-23 13:37:43,510 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:37:43,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-07-23 13:37:43,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-07-23 13:37:43,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-07-23 13:37:43,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-07-23 13:37:43,513 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 88 [2018-07-23 13:37:43,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:43,513 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2018-07-23 13:37:43,513 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:37:43,513 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-07-23 13:37:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-07-23 13:37:43,514 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:43,514 INFO L357 BasicCegarLoop]: trace histogram [86, 1, 1, 1] [2018-07-23 13:37:43,514 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:43,515 INFO L82 PathProgramCache]: Analyzing trace with hash -153546397, now seen corresponding path program 86 times [2018-07-23 13:37:43,515 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,803 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:43,804 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:37:43,804 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,804 INFO L185 omatonBuilderFactory]: Interpolants [20608#false, 20609#(<= ULTIMATE.start_main_~y~4 0), 20610#(<= ULTIMATE.start_main_~y~4 1), 20611#(<= ULTIMATE.start_main_~y~4 2), 20612#(<= ULTIMATE.start_main_~y~4 3), 20613#(<= ULTIMATE.start_main_~y~4 4), 20614#(<= ULTIMATE.start_main_~y~4 5), 20615#(<= ULTIMATE.start_main_~y~4 6), 20616#(<= ULTIMATE.start_main_~y~4 7), 20617#(<= ULTIMATE.start_main_~y~4 8), 20618#(<= ULTIMATE.start_main_~y~4 9), 20619#(<= ULTIMATE.start_main_~y~4 10), 20620#(<= ULTIMATE.start_main_~y~4 11), 20621#(<= ULTIMATE.start_main_~y~4 12), 20622#(<= ULTIMATE.start_main_~y~4 13), 20623#(<= ULTIMATE.start_main_~y~4 14), 20624#(<= ULTIMATE.start_main_~y~4 15), 20625#(<= ULTIMATE.start_main_~y~4 16), 20626#(<= ULTIMATE.start_main_~y~4 17), 20627#(<= ULTIMATE.start_main_~y~4 18), 20628#(<= ULTIMATE.start_main_~y~4 19), 20629#(<= ULTIMATE.start_main_~y~4 20), 20630#(<= ULTIMATE.start_main_~y~4 21), 20631#(<= ULTIMATE.start_main_~y~4 22), 20632#(<= ULTIMATE.start_main_~y~4 23), 20633#(<= ULTIMATE.start_main_~y~4 24), 20634#(<= ULTIMATE.start_main_~y~4 25), 20635#(<= ULTIMATE.start_main_~y~4 26), 20636#(<= ULTIMATE.start_main_~y~4 27), 20637#(<= ULTIMATE.start_main_~y~4 28), 20638#(<= ULTIMATE.start_main_~y~4 29), 20639#(<= ULTIMATE.start_main_~y~4 30), 20640#(<= ULTIMATE.start_main_~y~4 31), 20641#(<= ULTIMATE.start_main_~y~4 32), 20642#(<= ULTIMATE.start_main_~y~4 33), 20643#(<= ULTIMATE.start_main_~y~4 34), 20644#(<= ULTIMATE.start_main_~y~4 35), 20645#(<= ULTIMATE.start_main_~y~4 36), 20646#(<= ULTIMATE.start_main_~y~4 37), 20647#(<= ULTIMATE.start_main_~y~4 38), 20648#(<= ULTIMATE.start_main_~y~4 39), 20649#(<= ULTIMATE.start_main_~y~4 40), 20650#(<= ULTIMATE.start_main_~y~4 41), 20651#(<= ULTIMATE.start_main_~y~4 42), 20652#(<= ULTIMATE.start_main_~y~4 43), 20653#(<= ULTIMATE.start_main_~y~4 44), 20654#(<= ULTIMATE.start_main_~y~4 45), 20655#(<= ULTIMATE.start_main_~y~4 46), 20656#(<= ULTIMATE.start_main_~y~4 47), 20657#(<= ULTIMATE.start_main_~y~4 48), 20658#(<= ULTIMATE.start_main_~y~4 49), 20659#(<= ULTIMATE.start_main_~y~4 50), 20660#(<= ULTIMATE.start_main_~y~4 51), 20661#(<= ULTIMATE.start_main_~y~4 52), 20662#(<= ULTIMATE.start_main_~y~4 53), 20663#(<= ULTIMATE.start_main_~y~4 54), 20664#(<= ULTIMATE.start_main_~y~4 55), 20665#(<= ULTIMATE.start_main_~y~4 56), 20666#(<= ULTIMATE.start_main_~y~4 57), 20667#(<= ULTIMATE.start_main_~y~4 58), 20668#(<= ULTIMATE.start_main_~y~4 59), 20669#(<= ULTIMATE.start_main_~y~4 60), 20670#(<= ULTIMATE.start_main_~y~4 61), 20671#(<= ULTIMATE.start_main_~y~4 62), 20672#(<= ULTIMATE.start_main_~y~4 63), 20673#(<= ULTIMATE.start_main_~y~4 64), 20674#(<= ULTIMATE.start_main_~y~4 65), 20675#(<= ULTIMATE.start_main_~y~4 66), 20676#(<= ULTIMATE.start_main_~y~4 67), 20677#(<= ULTIMATE.start_main_~y~4 68), 20678#(<= ULTIMATE.start_main_~y~4 69), 20679#(<= ULTIMATE.start_main_~y~4 70), 20680#(<= ULTIMATE.start_main_~y~4 71), 20681#(<= ULTIMATE.start_main_~y~4 72), 20682#(<= ULTIMATE.start_main_~y~4 73), 20683#(<= ULTIMATE.start_main_~y~4 74), 20684#(<= ULTIMATE.start_main_~y~4 75), 20685#(<= ULTIMATE.start_main_~y~4 76), 20686#(<= ULTIMATE.start_main_~y~4 77), 20687#(<= ULTIMATE.start_main_~y~4 78), 20688#(<= ULTIMATE.start_main_~y~4 79), 20689#(<= ULTIMATE.start_main_~y~4 80), 20690#(<= ULTIMATE.start_main_~y~4 81), 20691#(<= ULTIMATE.start_main_~y~4 82), 20692#(<= ULTIMATE.start_main_~y~4 83), 20693#(<= ULTIMATE.start_main_~y~4 84), 20694#(<= ULTIMATE.start_main_~y~4 85), 20695#(<= ULTIMATE.start_main_~y~4 86), 20607#true] [2018-07-23 13:37:43,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,805 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:37:43,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:37:43,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:37:43,806 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 89 states. [2018-07-23 13:37:43,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:43,921 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:37:43,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:37:43,922 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 89 [2018-07-23 13:37:43,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:43,923 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:37:43,923 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:37:43,923 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:37:43,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:37:43,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:37:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:37:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:37:43,927 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 89 [2018-07-23 13:37:43,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:43,927 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:37:43,927 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:37:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:37:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:37:43,928 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:43,928 INFO L357 BasicCegarLoop]: trace histogram [87, 1, 1, 1] [2018-07-23 13:37:43,928 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:43,929 INFO L82 PathProgramCache]: Analyzing trace with hash -464969204, now seen corresponding path program 87 times [2018-07-23 13:37:43,929 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,251 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:44,251 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:37:44,251 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:44,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,252 INFO L185 omatonBuilderFactory]: Interpolants [21120#(<= ULTIMATE.start_main_~y~4 54), 21121#(<= ULTIMATE.start_main_~y~4 55), 21122#(<= ULTIMATE.start_main_~y~4 56), 21123#(<= ULTIMATE.start_main_~y~4 57), 21124#(<= ULTIMATE.start_main_~y~4 58), 21125#(<= ULTIMATE.start_main_~y~4 59), 21126#(<= ULTIMATE.start_main_~y~4 60), 21127#(<= ULTIMATE.start_main_~y~4 61), 21128#(<= ULTIMATE.start_main_~y~4 62), 21129#(<= ULTIMATE.start_main_~y~4 63), 21130#(<= ULTIMATE.start_main_~y~4 64), 21131#(<= ULTIMATE.start_main_~y~4 65), 21132#(<= ULTIMATE.start_main_~y~4 66), 21133#(<= ULTIMATE.start_main_~y~4 67), 21134#(<= ULTIMATE.start_main_~y~4 68), 21135#(<= ULTIMATE.start_main_~y~4 69), 21136#(<= ULTIMATE.start_main_~y~4 70), 21137#(<= ULTIMATE.start_main_~y~4 71), 21138#(<= ULTIMATE.start_main_~y~4 72), 21139#(<= ULTIMATE.start_main_~y~4 73), 21140#(<= ULTIMATE.start_main_~y~4 74), 21141#(<= ULTIMATE.start_main_~y~4 75), 21142#(<= ULTIMATE.start_main_~y~4 76), 21143#(<= ULTIMATE.start_main_~y~4 77), 21144#(<= ULTIMATE.start_main_~y~4 78), 21145#(<= ULTIMATE.start_main_~y~4 79), 21146#(<= ULTIMATE.start_main_~y~4 80), 21147#(<= ULTIMATE.start_main_~y~4 81), 21148#(<= ULTIMATE.start_main_~y~4 82), 21149#(<= ULTIMATE.start_main_~y~4 83), 21150#(<= ULTIMATE.start_main_~y~4 84), 21151#(<= ULTIMATE.start_main_~y~4 85), 21152#(<= ULTIMATE.start_main_~y~4 86), 21153#(<= ULTIMATE.start_main_~y~4 87), 21064#true, 21065#false, 21066#(<= ULTIMATE.start_main_~y~4 0), 21067#(<= ULTIMATE.start_main_~y~4 1), 21068#(<= ULTIMATE.start_main_~y~4 2), 21069#(<= ULTIMATE.start_main_~y~4 3), 21070#(<= ULTIMATE.start_main_~y~4 4), 21071#(<= ULTIMATE.start_main_~y~4 5), 21072#(<= ULTIMATE.start_main_~y~4 6), 21073#(<= ULTIMATE.start_main_~y~4 7), 21074#(<= ULTIMATE.start_main_~y~4 8), 21075#(<= ULTIMATE.start_main_~y~4 9), 21076#(<= ULTIMATE.start_main_~y~4 10), 21077#(<= ULTIMATE.start_main_~y~4 11), 21078#(<= ULTIMATE.start_main_~y~4 12), 21079#(<= ULTIMATE.start_main_~y~4 13), 21080#(<= ULTIMATE.start_main_~y~4 14), 21081#(<= ULTIMATE.start_main_~y~4 15), 21082#(<= ULTIMATE.start_main_~y~4 16), 21083#(<= ULTIMATE.start_main_~y~4 17), 21084#(<= ULTIMATE.start_main_~y~4 18), 21085#(<= ULTIMATE.start_main_~y~4 19), 21086#(<= ULTIMATE.start_main_~y~4 20), 21087#(<= ULTIMATE.start_main_~y~4 21), 21088#(<= ULTIMATE.start_main_~y~4 22), 21089#(<= ULTIMATE.start_main_~y~4 23), 21090#(<= ULTIMATE.start_main_~y~4 24), 21091#(<= ULTIMATE.start_main_~y~4 25), 21092#(<= ULTIMATE.start_main_~y~4 26), 21093#(<= ULTIMATE.start_main_~y~4 27), 21094#(<= ULTIMATE.start_main_~y~4 28), 21095#(<= ULTIMATE.start_main_~y~4 29), 21096#(<= ULTIMATE.start_main_~y~4 30), 21097#(<= ULTIMATE.start_main_~y~4 31), 21098#(<= ULTIMATE.start_main_~y~4 32), 21099#(<= ULTIMATE.start_main_~y~4 33), 21100#(<= ULTIMATE.start_main_~y~4 34), 21101#(<= ULTIMATE.start_main_~y~4 35), 21102#(<= ULTIMATE.start_main_~y~4 36), 21103#(<= ULTIMATE.start_main_~y~4 37), 21104#(<= ULTIMATE.start_main_~y~4 38), 21105#(<= ULTIMATE.start_main_~y~4 39), 21106#(<= ULTIMATE.start_main_~y~4 40), 21107#(<= ULTIMATE.start_main_~y~4 41), 21108#(<= ULTIMATE.start_main_~y~4 42), 21109#(<= ULTIMATE.start_main_~y~4 43), 21110#(<= ULTIMATE.start_main_~y~4 44), 21111#(<= ULTIMATE.start_main_~y~4 45), 21112#(<= ULTIMATE.start_main_~y~4 46), 21113#(<= ULTIMATE.start_main_~y~4 47), 21114#(<= ULTIMATE.start_main_~y~4 48), 21115#(<= ULTIMATE.start_main_~y~4 49), 21116#(<= ULTIMATE.start_main_~y~4 50), 21117#(<= ULTIMATE.start_main_~y~4 51), 21118#(<= ULTIMATE.start_main_~y~4 52), 21119#(<= ULTIMATE.start_main_~y~4 53)] [2018-07-23 13:37:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,253 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:37:44,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:37:44,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:37:44,254 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 90 states. [2018-07-23 13:37:44,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:44,299 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-07-23 13:37:44,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:37:44,299 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 90 [2018-07-23 13:37:44,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:44,300 INFO L225 Difference]: With dead ends: 94 [2018-07-23 13:37:44,300 INFO L226 Difference]: Without dead ends: 92 [2018-07-23 13:37:44,301 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:37:44,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-07-23 13:37:44,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-07-23 13:37:44,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-07-23 13:37:44,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-07-23 13:37:44,303 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 90 [2018-07-23 13:37:44,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:44,304 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-07-23 13:37:44,304 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:37:44,304 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-07-23 13:37:44,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-07-23 13:37:44,305 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:44,305 INFO L357 BasicCegarLoop]: trace histogram [88, 1, 1, 1] [2018-07-23 13:37:44,305 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:44,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1529141629, now seen corresponding path program 88 times [2018-07-23 13:37:44,305 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:44,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,590 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:44,590 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:37:44,591 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,591 INFO L185 omatonBuilderFactory]: Interpolants [21526#true, 21527#false, 21528#(<= ULTIMATE.start_main_~y~4 0), 21529#(<= ULTIMATE.start_main_~y~4 1), 21530#(<= ULTIMATE.start_main_~y~4 2), 21531#(<= ULTIMATE.start_main_~y~4 3), 21532#(<= ULTIMATE.start_main_~y~4 4), 21533#(<= ULTIMATE.start_main_~y~4 5), 21534#(<= ULTIMATE.start_main_~y~4 6), 21535#(<= ULTIMATE.start_main_~y~4 7), 21536#(<= ULTIMATE.start_main_~y~4 8), 21537#(<= ULTIMATE.start_main_~y~4 9), 21538#(<= ULTIMATE.start_main_~y~4 10), 21539#(<= ULTIMATE.start_main_~y~4 11), 21540#(<= ULTIMATE.start_main_~y~4 12), 21541#(<= ULTIMATE.start_main_~y~4 13), 21542#(<= ULTIMATE.start_main_~y~4 14), 21543#(<= ULTIMATE.start_main_~y~4 15), 21544#(<= ULTIMATE.start_main_~y~4 16), 21545#(<= ULTIMATE.start_main_~y~4 17), 21546#(<= ULTIMATE.start_main_~y~4 18), 21547#(<= ULTIMATE.start_main_~y~4 19), 21548#(<= ULTIMATE.start_main_~y~4 20), 21549#(<= ULTIMATE.start_main_~y~4 21), 21550#(<= ULTIMATE.start_main_~y~4 22), 21551#(<= ULTIMATE.start_main_~y~4 23), 21552#(<= ULTIMATE.start_main_~y~4 24), 21553#(<= ULTIMATE.start_main_~y~4 25), 21554#(<= ULTIMATE.start_main_~y~4 26), 21555#(<= ULTIMATE.start_main_~y~4 27), 21556#(<= ULTIMATE.start_main_~y~4 28), 21557#(<= ULTIMATE.start_main_~y~4 29), 21558#(<= ULTIMATE.start_main_~y~4 30), 21559#(<= ULTIMATE.start_main_~y~4 31), 21560#(<= ULTIMATE.start_main_~y~4 32), 21561#(<= ULTIMATE.start_main_~y~4 33), 21562#(<= ULTIMATE.start_main_~y~4 34), 21563#(<= ULTIMATE.start_main_~y~4 35), 21564#(<= ULTIMATE.start_main_~y~4 36), 21565#(<= ULTIMATE.start_main_~y~4 37), 21566#(<= ULTIMATE.start_main_~y~4 38), 21567#(<= ULTIMATE.start_main_~y~4 39), 21568#(<= ULTIMATE.start_main_~y~4 40), 21569#(<= ULTIMATE.start_main_~y~4 41), 21570#(<= ULTIMATE.start_main_~y~4 42), 21571#(<= ULTIMATE.start_main_~y~4 43), 21572#(<= ULTIMATE.start_main_~y~4 44), 21573#(<= ULTIMATE.start_main_~y~4 45), 21574#(<= ULTIMATE.start_main_~y~4 46), 21575#(<= ULTIMATE.start_main_~y~4 47), 21576#(<= ULTIMATE.start_main_~y~4 48), 21577#(<= ULTIMATE.start_main_~y~4 49), 21578#(<= ULTIMATE.start_main_~y~4 50), 21579#(<= ULTIMATE.start_main_~y~4 51), 21580#(<= ULTIMATE.start_main_~y~4 52), 21581#(<= ULTIMATE.start_main_~y~4 53), 21582#(<= ULTIMATE.start_main_~y~4 54), 21583#(<= ULTIMATE.start_main_~y~4 55), 21584#(<= ULTIMATE.start_main_~y~4 56), 21585#(<= ULTIMATE.start_main_~y~4 57), 21586#(<= ULTIMATE.start_main_~y~4 58), 21587#(<= ULTIMATE.start_main_~y~4 59), 21588#(<= ULTIMATE.start_main_~y~4 60), 21589#(<= ULTIMATE.start_main_~y~4 61), 21590#(<= ULTIMATE.start_main_~y~4 62), 21591#(<= ULTIMATE.start_main_~y~4 63), 21592#(<= ULTIMATE.start_main_~y~4 64), 21593#(<= ULTIMATE.start_main_~y~4 65), 21594#(<= ULTIMATE.start_main_~y~4 66), 21595#(<= ULTIMATE.start_main_~y~4 67), 21596#(<= ULTIMATE.start_main_~y~4 68), 21597#(<= ULTIMATE.start_main_~y~4 69), 21598#(<= ULTIMATE.start_main_~y~4 70), 21599#(<= ULTIMATE.start_main_~y~4 71), 21600#(<= ULTIMATE.start_main_~y~4 72), 21601#(<= ULTIMATE.start_main_~y~4 73), 21602#(<= ULTIMATE.start_main_~y~4 74), 21603#(<= ULTIMATE.start_main_~y~4 75), 21604#(<= ULTIMATE.start_main_~y~4 76), 21605#(<= ULTIMATE.start_main_~y~4 77), 21606#(<= ULTIMATE.start_main_~y~4 78), 21607#(<= ULTIMATE.start_main_~y~4 79), 21608#(<= ULTIMATE.start_main_~y~4 80), 21609#(<= ULTIMATE.start_main_~y~4 81), 21610#(<= ULTIMATE.start_main_~y~4 82), 21611#(<= ULTIMATE.start_main_~y~4 83), 21612#(<= ULTIMATE.start_main_~y~4 84), 21613#(<= ULTIMATE.start_main_~y~4 85), 21614#(<= ULTIMATE.start_main_~y~4 86), 21615#(<= ULTIMATE.start_main_~y~4 87), 21616#(<= ULTIMATE.start_main_~y~4 88)] [2018-07-23 13:37:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,592 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:37:44,592 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:37:44,593 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:37:44,593 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 91 states. [2018-07-23 13:37:44,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:44,671 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:37:44,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:37:44,672 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 91 [2018-07-23 13:37:44,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:44,672 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:37:44,672 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:37:44,673 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:37:44,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:37:44,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:37:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:37:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:37:44,676 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 91 [2018-07-23 13:37:44,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:44,676 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:37:44,676 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:37:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:37:44,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:37:44,677 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:44,677 INFO L357 BasicCegarLoop]: trace histogram [89, 1, 1, 1] [2018-07-23 13:37:44,677 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:44,678 INFO L82 PathProgramCache]: Analyzing trace with hash -158748436, now seen corresponding path program 89 times [2018-07-23 13:37:44,678 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,901 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:44,902 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:37:44,902 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,902 INFO L185 omatonBuilderFactory]: Interpolants [22016#(<= ULTIMATE.start_main_~y~4 21), 22017#(<= ULTIMATE.start_main_~y~4 22), 22018#(<= ULTIMATE.start_main_~y~4 23), 22019#(<= ULTIMATE.start_main_~y~4 24), 22020#(<= ULTIMATE.start_main_~y~4 25), 22021#(<= ULTIMATE.start_main_~y~4 26), 22022#(<= ULTIMATE.start_main_~y~4 27), 22023#(<= ULTIMATE.start_main_~y~4 28), 22024#(<= ULTIMATE.start_main_~y~4 29), 22025#(<= ULTIMATE.start_main_~y~4 30), 22026#(<= ULTIMATE.start_main_~y~4 31), 22027#(<= ULTIMATE.start_main_~y~4 32), 22028#(<= ULTIMATE.start_main_~y~4 33), 22029#(<= ULTIMATE.start_main_~y~4 34), 22030#(<= ULTIMATE.start_main_~y~4 35), 22031#(<= ULTIMATE.start_main_~y~4 36), 22032#(<= ULTIMATE.start_main_~y~4 37), 22033#(<= ULTIMATE.start_main_~y~4 38), 22034#(<= ULTIMATE.start_main_~y~4 39), 22035#(<= ULTIMATE.start_main_~y~4 40), 22036#(<= ULTIMATE.start_main_~y~4 41), 22037#(<= ULTIMATE.start_main_~y~4 42), 22038#(<= ULTIMATE.start_main_~y~4 43), 22039#(<= ULTIMATE.start_main_~y~4 44), 22040#(<= ULTIMATE.start_main_~y~4 45), 22041#(<= ULTIMATE.start_main_~y~4 46), 22042#(<= ULTIMATE.start_main_~y~4 47), 22043#(<= ULTIMATE.start_main_~y~4 48), 22044#(<= ULTIMATE.start_main_~y~4 49), 22045#(<= ULTIMATE.start_main_~y~4 50), 22046#(<= ULTIMATE.start_main_~y~4 51), 22047#(<= ULTIMATE.start_main_~y~4 52), 22048#(<= ULTIMATE.start_main_~y~4 53), 22049#(<= ULTIMATE.start_main_~y~4 54), 22050#(<= ULTIMATE.start_main_~y~4 55), 22051#(<= ULTIMATE.start_main_~y~4 56), 22052#(<= ULTIMATE.start_main_~y~4 57), 22053#(<= ULTIMATE.start_main_~y~4 58), 22054#(<= ULTIMATE.start_main_~y~4 59), 22055#(<= ULTIMATE.start_main_~y~4 60), 22056#(<= ULTIMATE.start_main_~y~4 61), 22057#(<= ULTIMATE.start_main_~y~4 62), 22058#(<= ULTIMATE.start_main_~y~4 63), 22059#(<= ULTIMATE.start_main_~y~4 64), 22060#(<= ULTIMATE.start_main_~y~4 65), 22061#(<= ULTIMATE.start_main_~y~4 66), 22062#(<= ULTIMATE.start_main_~y~4 67), 22063#(<= ULTIMATE.start_main_~y~4 68), 22064#(<= ULTIMATE.start_main_~y~4 69), 22065#(<= ULTIMATE.start_main_~y~4 70), 22066#(<= ULTIMATE.start_main_~y~4 71), 22067#(<= ULTIMATE.start_main_~y~4 72), 22068#(<= ULTIMATE.start_main_~y~4 73), 22069#(<= ULTIMATE.start_main_~y~4 74), 22070#(<= ULTIMATE.start_main_~y~4 75), 22071#(<= ULTIMATE.start_main_~y~4 76), 22072#(<= ULTIMATE.start_main_~y~4 77), 22073#(<= ULTIMATE.start_main_~y~4 78), 22074#(<= ULTIMATE.start_main_~y~4 79), 22075#(<= ULTIMATE.start_main_~y~4 80), 22076#(<= ULTIMATE.start_main_~y~4 81), 22077#(<= ULTIMATE.start_main_~y~4 82), 22078#(<= ULTIMATE.start_main_~y~4 83), 22079#(<= ULTIMATE.start_main_~y~4 84), 22080#(<= ULTIMATE.start_main_~y~4 85), 22081#(<= ULTIMATE.start_main_~y~4 86), 22082#(<= ULTIMATE.start_main_~y~4 87), 22083#(<= ULTIMATE.start_main_~y~4 88), 22084#(<= ULTIMATE.start_main_~y~4 89), 21993#true, 21994#false, 21995#(<= ULTIMATE.start_main_~y~4 0), 21996#(<= ULTIMATE.start_main_~y~4 1), 21997#(<= ULTIMATE.start_main_~y~4 2), 21998#(<= ULTIMATE.start_main_~y~4 3), 21999#(<= ULTIMATE.start_main_~y~4 4), 22000#(<= ULTIMATE.start_main_~y~4 5), 22001#(<= ULTIMATE.start_main_~y~4 6), 22002#(<= ULTIMATE.start_main_~y~4 7), 22003#(<= ULTIMATE.start_main_~y~4 8), 22004#(<= ULTIMATE.start_main_~y~4 9), 22005#(<= ULTIMATE.start_main_~y~4 10), 22006#(<= ULTIMATE.start_main_~y~4 11), 22007#(<= ULTIMATE.start_main_~y~4 12), 22008#(<= ULTIMATE.start_main_~y~4 13), 22009#(<= ULTIMATE.start_main_~y~4 14), 22010#(<= ULTIMATE.start_main_~y~4 15), 22011#(<= ULTIMATE.start_main_~y~4 16), 22012#(<= ULTIMATE.start_main_~y~4 17), 22013#(<= ULTIMATE.start_main_~y~4 18), 22014#(<= ULTIMATE.start_main_~y~4 19), 22015#(<= ULTIMATE.start_main_~y~4 20)] [2018-07-23 13:37:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,903 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:37:44,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:37:44,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:37:44,904 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 92 states. [2018-07-23 13:37:44,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:44,982 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-07-23 13:37:44,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:37:44,982 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 92 [2018-07-23 13:37:44,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:44,983 INFO L225 Difference]: With dead ends: 96 [2018-07-23 13:37:44,983 INFO L226 Difference]: Without dead ends: 94 [2018-07-23 13:37:44,984 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:37:44,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-07-23 13:37:44,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-07-23 13:37:44,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-07-23 13:37:44,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-07-23 13:37:44,988 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 92 [2018-07-23 13:37:44,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:44,988 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2018-07-23 13:37:44,988 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:37:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-07-23 13:37:44,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-07-23 13:37:44,989 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:44,989 INFO L357 BasicCegarLoop]: trace histogram [90, 1, 1, 1] [2018-07-23 13:37:44,989 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:44,989 INFO L82 PathProgramCache]: Analyzing trace with hash -626232413, now seen corresponding path program 90 times [2018-07-23 13:37:44,990 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,277 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:45,277 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:37:45,277 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:45,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,278 INFO L185 omatonBuilderFactory]: Interpolants [22528#(<= ULTIMATE.start_main_~y~4 61), 22529#(<= ULTIMATE.start_main_~y~4 62), 22530#(<= ULTIMATE.start_main_~y~4 63), 22531#(<= ULTIMATE.start_main_~y~4 64), 22532#(<= ULTIMATE.start_main_~y~4 65), 22533#(<= ULTIMATE.start_main_~y~4 66), 22534#(<= ULTIMATE.start_main_~y~4 67), 22535#(<= ULTIMATE.start_main_~y~4 68), 22536#(<= ULTIMATE.start_main_~y~4 69), 22537#(<= ULTIMATE.start_main_~y~4 70), 22538#(<= ULTIMATE.start_main_~y~4 71), 22539#(<= ULTIMATE.start_main_~y~4 72), 22540#(<= ULTIMATE.start_main_~y~4 73), 22541#(<= ULTIMATE.start_main_~y~4 74), 22542#(<= ULTIMATE.start_main_~y~4 75), 22543#(<= ULTIMATE.start_main_~y~4 76), 22544#(<= ULTIMATE.start_main_~y~4 77), 22545#(<= ULTIMATE.start_main_~y~4 78), 22546#(<= ULTIMATE.start_main_~y~4 79), 22547#(<= ULTIMATE.start_main_~y~4 80), 22548#(<= ULTIMATE.start_main_~y~4 81), 22549#(<= ULTIMATE.start_main_~y~4 82), 22550#(<= ULTIMATE.start_main_~y~4 83), 22551#(<= ULTIMATE.start_main_~y~4 84), 22552#(<= ULTIMATE.start_main_~y~4 85), 22553#(<= ULTIMATE.start_main_~y~4 86), 22554#(<= ULTIMATE.start_main_~y~4 87), 22555#(<= ULTIMATE.start_main_~y~4 88), 22556#(<= ULTIMATE.start_main_~y~4 89), 22557#(<= ULTIMATE.start_main_~y~4 90), 22465#true, 22466#false, 22467#(<= ULTIMATE.start_main_~y~4 0), 22468#(<= ULTIMATE.start_main_~y~4 1), 22469#(<= ULTIMATE.start_main_~y~4 2), 22470#(<= ULTIMATE.start_main_~y~4 3), 22471#(<= ULTIMATE.start_main_~y~4 4), 22472#(<= ULTIMATE.start_main_~y~4 5), 22473#(<= ULTIMATE.start_main_~y~4 6), 22474#(<= ULTIMATE.start_main_~y~4 7), 22475#(<= ULTIMATE.start_main_~y~4 8), 22476#(<= ULTIMATE.start_main_~y~4 9), 22477#(<= ULTIMATE.start_main_~y~4 10), 22478#(<= ULTIMATE.start_main_~y~4 11), 22479#(<= ULTIMATE.start_main_~y~4 12), 22480#(<= ULTIMATE.start_main_~y~4 13), 22481#(<= ULTIMATE.start_main_~y~4 14), 22482#(<= ULTIMATE.start_main_~y~4 15), 22483#(<= ULTIMATE.start_main_~y~4 16), 22484#(<= ULTIMATE.start_main_~y~4 17), 22485#(<= ULTIMATE.start_main_~y~4 18), 22486#(<= ULTIMATE.start_main_~y~4 19), 22487#(<= ULTIMATE.start_main_~y~4 20), 22488#(<= ULTIMATE.start_main_~y~4 21), 22489#(<= ULTIMATE.start_main_~y~4 22), 22490#(<= ULTIMATE.start_main_~y~4 23), 22491#(<= ULTIMATE.start_main_~y~4 24), 22492#(<= ULTIMATE.start_main_~y~4 25), 22493#(<= ULTIMATE.start_main_~y~4 26), 22494#(<= ULTIMATE.start_main_~y~4 27), 22495#(<= ULTIMATE.start_main_~y~4 28), 22496#(<= ULTIMATE.start_main_~y~4 29), 22497#(<= ULTIMATE.start_main_~y~4 30), 22498#(<= ULTIMATE.start_main_~y~4 31), 22499#(<= ULTIMATE.start_main_~y~4 32), 22500#(<= ULTIMATE.start_main_~y~4 33), 22501#(<= ULTIMATE.start_main_~y~4 34), 22502#(<= ULTIMATE.start_main_~y~4 35), 22503#(<= ULTIMATE.start_main_~y~4 36), 22504#(<= ULTIMATE.start_main_~y~4 37), 22505#(<= ULTIMATE.start_main_~y~4 38), 22506#(<= ULTIMATE.start_main_~y~4 39), 22507#(<= ULTIMATE.start_main_~y~4 40), 22508#(<= ULTIMATE.start_main_~y~4 41), 22509#(<= ULTIMATE.start_main_~y~4 42), 22510#(<= ULTIMATE.start_main_~y~4 43), 22511#(<= ULTIMATE.start_main_~y~4 44), 22512#(<= ULTIMATE.start_main_~y~4 45), 22513#(<= ULTIMATE.start_main_~y~4 46), 22514#(<= ULTIMATE.start_main_~y~4 47), 22515#(<= ULTIMATE.start_main_~y~4 48), 22516#(<= ULTIMATE.start_main_~y~4 49), 22517#(<= ULTIMATE.start_main_~y~4 50), 22518#(<= ULTIMATE.start_main_~y~4 51), 22519#(<= ULTIMATE.start_main_~y~4 52), 22520#(<= ULTIMATE.start_main_~y~4 53), 22521#(<= ULTIMATE.start_main_~y~4 54), 22522#(<= ULTIMATE.start_main_~y~4 55), 22523#(<= ULTIMATE.start_main_~y~4 56), 22524#(<= ULTIMATE.start_main_~y~4 57), 22525#(<= ULTIMATE.start_main_~y~4 58), 22526#(<= ULTIMATE.start_main_~y~4 59), 22527#(<= ULTIMATE.start_main_~y~4 60)] [2018-07-23 13:37:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,278 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:37:45,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:37:45,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:37:45,280 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 93 states. [2018-07-23 13:37:45,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:45,329 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:37:45,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:37:45,330 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 93 [2018-07-23 13:37:45,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:45,330 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:37:45,330 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:37:45,331 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:37:45,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:37:45,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:37:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:37:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:37:45,334 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 93 [2018-07-23 13:37:45,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:45,334 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:37:45,334 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:37:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:37:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:37:45,335 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:45,335 INFO L357 BasicCegarLoop]: trace histogram [91, 1, 1, 1] [2018-07-23 13:37:45,335 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:45,336 INFO L82 PathProgramCache]: Analyzing trace with hash 2061633484, now seen corresponding path program 91 times [2018-07-23 13:37:45,336 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,569 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:45,570 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:37:45,570 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,570 INFO L185 omatonBuilderFactory]: Interpolants [22942#true, 22943#false, 22944#(<= ULTIMATE.start_main_~y~4 0), 22945#(<= ULTIMATE.start_main_~y~4 1), 22946#(<= ULTIMATE.start_main_~y~4 2), 22947#(<= ULTIMATE.start_main_~y~4 3), 22948#(<= ULTIMATE.start_main_~y~4 4), 22949#(<= ULTIMATE.start_main_~y~4 5), 22950#(<= ULTIMATE.start_main_~y~4 6), 22951#(<= ULTIMATE.start_main_~y~4 7), 22952#(<= ULTIMATE.start_main_~y~4 8), 22953#(<= ULTIMATE.start_main_~y~4 9), 22954#(<= ULTIMATE.start_main_~y~4 10), 22955#(<= ULTIMATE.start_main_~y~4 11), 22956#(<= ULTIMATE.start_main_~y~4 12), 22957#(<= ULTIMATE.start_main_~y~4 13), 22958#(<= ULTIMATE.start_main_~y~4 14), 22959#(<= ULTIMATE.start_main_~y~4 15), 22960#(<= ULTIMATE.start_main_~y~4 16), 22961#(<= ULTIMATE.start_main_~y~4 17), 22962#(<= ULTIMATE.start_main_~y~4 18), 22963#(<= ULTIMATE.start_main_~y~4 19), 22964#(<= ULTIMATE.start_main_~y~4 20), 22965#(<= ULTIMATE.start_main_~y~4 21), 22966#(<= ULTIMATE.start_main_~y~4 22), 22967#(<= ULTIMATE.start_main_~y~4 23), 22968#(<= ULTIMATE.start_main_~y~4 24), 22969#(<= ULTIMATE.start_main_~y~4 25), 22970#(<= ULTIMATE.start_main_~y~4 26), 22971#(<= ULTIMATE.start_main_~y~4 27), 22972#(<= ULTIMATE.start_main_~y~4 28), 22973#(<= ULTIMATE.start_main_~y~4 29), 22974#(<= ULTIMATE.start_main_~y~4 30), 22975#(<= ULTIMATE.start_main_~y~4 31), 22976#(<= ULTIMATE.start_main_~y~4 32), 22977#(<= ULTIMATE.start_main_~y~4 33), 22978#(<= ULTIMATE.start_main_~y~4 34), 22979#(<= ULTIMATE.start_main_~y~4 35), 22980#(<= ULTIMATE.start_main_~y~4 36), 22981#(<= ULTIMATE.start_main_~y~4 37), 22982#(<= ULTIMATE.start_main_~y~4 38), 22983#(<= ULTIMATE.start_main_~y~4 39), 22984#(<= ULTIMATE.start_main_~y~4 40), 22985#(<= ULTIMATE.start_main_~y~4 41), 22986#(<= ULTIMATE.start_main_~y~4 42), 22987#(<= ULTIMATE.start_main_~y~4 43), 22988#(<= ULTIMATE.start_main_~y~4 44), 22989#(<= ULTIMATE.start_main_~y~4 45), 22990#(<= ULTIMATE.start_main_~y~4 46), 22991#(<= ULTIMATE.start_main_~y~4 47), 22992#(<= ULTIMATE.start_main_~y~4 48), 22993#(<= ULTIMATE.start_main_~y~4 49), 22994#(<= ULTIMATE.start_main_~y~4 50), 22995#(<= ULTIMATE.start_main_~y~4 51), 22996#(<= ULTIMATE.start_main_~y~4 52), 22997#(<= ULTIMATE.start_main_~y~4 53), 22998#(<= ULTIMATE.start_main_~y~4 54), 22999#(<= ULTIMATE.start_main_~y~4 55), 23000#(<= ULTIMATE.start_main_~y~4 56), 23001#(<= ULTIMATE.start_main_~y~4 57), 23002#(<= ULTIMATE.start_main_~y~4 58), 23003#(<= ULTIMATE.start_main_~y~4 59), 23004#(<= ULTIMATE.start_main_~y~4 60), 23005#(<= ULTIMATE.start_main_~y~4 61), 23006#(<= ULTIMATE.start_main_~y~4 62), 23007#(<= ULTIMATE.start_main_~y~4 63), 23008#(<= ULTIMATE.start_main_~y~4 64), 23009#(<= ULTIMATE.start_main_~y~4 65), 23010#(<= ULTIMATE.start_main_~y~4 66), 23011#(<= ULTIMATE.start_main_~y~4 67), 23012#(<= ULTIMATE.start_main_~y~4 68), 23013#(<= ULTIMATE.start_main_~y~4 69), 23014#(<= ULTIMATE.start_main_~y~4 70), 23015#(<= ULTIMATE.start_main_~y~4 71), 23016#(<= ULTIMATE.start_main_~y~4 72), 23017#(<= ULTIMATE.start_main_~y~4 73), 23018#(<= ULTIMATE.start_main_~y~4 74), 23019#(<= ULTIMATE.start_main_~y~4 75), 23020#(<= ULTIMATE.start_main_~y~4 76), 23021#(<= ULTIMATE.start_main_~y~4 77), 23022#(<= ULTIMATE.start_main_~y~4 78), 23023#(<= ULTIMATE.start_main_~y~4 79), 23024#(<= ULTIMATE.start_main_~y~4 80), 23025#(<= ULTIMATE.start_main_~y~4 81), 23026#(<= ULTIMATE.start_main_~y~4 82), 23027#(<= ULTIMATE.start_main_~y~4 83), 23028#(<= ULTIMATE.start_main_~y~4 84), 23029#(<= ULTIMATE.start_main_~y~4 85), 23030#(<= ULTIMATE.start_main_~y~4 86), 23031#(<= ULTIMATE.start_main_~y~4 87), 23032#(<= ULTIMATE.start_main_~y~4 88), 23033#(<= ULTIMATE.start_main_~y~4 89), 23034#(<= ULTIMATE.start_main_~y~4 90), 23035#(<= ULTIMATE.start_main_~y~4 91)] [2018-07-23 13:37:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,571 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:37:45,572 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:37:45,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:37:45,572 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 94 states. [2018-07-23 13:37:45,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:45,672 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-07-23 13:37:45,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:37:45,672 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 94 [2018-07-23 13:37:45,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:45,673 INFO L225 Difference]: With dead ends: 98 [2018-07-23 13:37:45,673 INFO L226 Difference]: Without dead ends: 96 [2018-07-23 13:37:45,674 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:37:45,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-07-23 13:37:45,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-07-23 13:37:45,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-07-23 13:37:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-07-23 13:37:45,677 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 94 [2018-07-23 13:37:45,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:45,677 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-07-23 13:37:45,677 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:37:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-07-23 13:37:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-07-23 13:37:45,678 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:45,678 INFO L357 BasicCegarLoop]: trace histogram [92, 1, 1, 1] [2018-07-23 13:37:45,678 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:45,678 INFO L82 PathProgramCache]: Analyzing trace with hash -513869629, now seen corresponding path program 92 times [2018-07-23 13:37:45,679 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,910 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:45,910 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:37:45,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,911 INFO L185 omatonBuilderFactory]: Interpolants [23424#true, 23425#false, 23426#(<= ULTIMATE.start_main_~y~4 0), 23427#(<= ULTIMATE.start_main_~y~4 1), 23428#(<= ULTIMATE.start_main_~y~4 2), 23429#(<= ULTIMATE.start_main_~y~4 3), 23430#(<= ULTIMATE.start_main_~y~4 4), 23431#(<= ULTIMATE.start_main_~y~4 5), 23432#(<= ULTIMATE.start_main_~y~4 6), 23433#(<= ULTIMATE.start_main_~y~4 7), 23434#(<= ULTIMATE.start_main_~y~4 8), 23435#(<= ULTIMATE.start_main_~y~4 9), 23436#(<= ULTIMATE.start_main_~y~4 10), 23437#(<= ULTIMATE.start_main_~y~4 11), 23438#(<= ULTIMATE.start_main_~y~4 12), 23439#(<= ULTIMATE.start_main_~y~4 13), 23440#(<= ULTIMATE.start_main_~y~4 14), 23441#(<= ULTIMATE.start_main_~y~4 15), 23442#(<= ULTIMATE.start_main_~y~4 16), 23443#(<= ULTIMATE.start_main_~y~4 17), 23444#(<= ULTIMATE.start_main_~y~4 18), 23445#(<= ULTIMATE.start_main_~y~4 19), 23446#(<= ULTIMATE.start_main_~y~4 20), 23447#(<= ULTIMATE.start_main_~y~4 21), 23448#(<= ULTIMATE.start_main_~y~4 22), 23449#(<= ULTIMATE.start_main_~y~4 23), 23450#(<= ULTIMATE.start_main_~y~4 24), 23451#(<= ULTIMATE.start_main_~y~4 25), 23452#(<= ULTIMATE.start_main_~y~4 26), 23453#(<= ULTIMATE.start_main_~y~4 27), 23454#(<= ULTIMATE.start_main_~y~4 28), 23455#(<= ULTIMATE.start_main_~y~4 29), 23456#(<= ULTIMATE.start_main_~y~4 30), 23457#(<= ULTIMATE.start_main_~y~4 31), 23458#(<= ULTIMATE.start_main_~y~4 32), 23459#(<= ULTIMATE.start_main_~y~4 33), 23460#(<= ULTIMATE.start_main_~y~4 34), 23461#(<= ULTIMATE.start_main_~y~4 35), 23462#(<= ULTIMATE.start_main_~y~4 36), 23463#(<= ULTIMATE.start_main_~y~4 37), 23464#(<= ULTIMATE.start_main_~y~4 38), 23465#(<= ULTIMATE.start_main_~y~4 39), 23466#(<= ULTIMATE.start_main_~y~4 40), 23467#(<= ULTIMATE.start_main_~y~4 41), 23468#(<= ULTIMATE.start_main_~y~4 42), 23469#(<= ULTIMATE.start_main_~y~4 43), 23470#(<= ULTIMATE.start_main_~y~4 44), 23471#(<= ULTIMATE.start_main_~y~4 45), 23472#(<= ULTIMATE.start_main_~y~4 46), 23473#(<= ULTIMATE.start_main_~y~4 47), 23474#(<= ULTIMATE.start_main_~y~4 48), 23475#(<= ULTIMATE.start_main_~y~4 49), 23476#(<= ULTIMATE.start_main_~y~4 50), 23477#(<= ULTIMATE.start_main_~y~4 51), 23478#(<= ULTIMATE.start_main_~y~4 52), 23479#(<= ULTIMATE.start_main_~y~4 53), 23480#(<= ULTIMATE.start_main_~y~4 54), 23481#(<= ULTIMATE.start_main_~y~4 55), 23482#(<= ULTIMATE.start_main_~y~4 56), 23483#(<= ULTIMATE.start_main_~y~4 57), 23484#(<= ULTIMATE.start_main_~y~4 58), 23485#(<= ULTIMATE.start_main_~y~4 59), 23486#(<= ULTIMATE.start_main_~y~4 60), 23487#(<= ULTIMATE.start_main_~y~4 61), 23488#(<= ULTIMATE.start_main_~y~4 62), 23489#(<= ULTIMATE.start_main_~y~4 63), 23490#(<= ULTIMATE.start_main_~y~4 64), 23491#(<= ULTIMATE.start_main_~y~4 65), 23492#(<= ULTIMATE.start_main_~y~4 66), 23493#(<= ULTIMATE.start_main_~y~4 67), 23494#(<= ULTIMATE.start_main_~y~4 68), 23495#(<= ULTIMATE.start_main_~y~4 69), 23496#(<= ULTIMATE.start_main_~y~4 70), 23497#(<= ULTIMATE.start_main_~y~4 71), 23498#(<= ULTIMATE.start_main_~y~4 72), 23499#(<= ULTIMATE.start_main_~y~4 73), 23500#(<= ULTIMATE.start_main_~y~4 74), 23501#(<= ULTIMATE.start_main_~y~4 75), 23502#(<= ULTIMATE.start_main_~y~4 76), 23503#(<= ULTIMATE.start_main_~y~4 77), 23504#(<= ULTIMATE.start_main_~y~4 78), 23505#(<= ULTIMATE.start_main_~y~4 79), 23506#(<= ULTIMATE.start_main_~y~4 80), 23507#(<= ULTIMATE.start_main_~y~4 81), 23508#(<= ULTIMATE.start_main_~y~4 82), 23509#(<= ULTIMATE.start_main_~y~4 83), 23510#(<= ULTIMATE.start_main_~y~4 84), 23511#(<= ULTIMATE.start_main_~y~4 85), 23512#(<= ULTIMATE.start_main_~y~4 86), 23513#(<= ULTIMATE.start_main_~y~4 87), 23514#(<= ULTIMATE.start_main_~y~4 88), 23515#(<= ULTIMATE.start_main_~y~4 89), 23516#(<= ULTIMATE.start_main_~y~4 90), 23517#(<= ULTIMATE.start_main_~y~4 91), 23518#(<= ULTIMATE.start_main_~y~4 92)] [2018-07-23 13:37:45,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,911 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:37:45,912 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:37:45,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:37:45,913 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 95 states. [2018-07-23 13:37:46,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:46,016 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:37:46,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:37:46,016 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 95 [2018-07-23 13:37:46,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:46,017 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:37:46,017 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:37:46,018 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:37:46,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:37:46,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:37:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:37:46,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:37:46,021 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 95 [2018-07-23 13:37:46,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:46,021 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:37:46,021 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:37:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:37:46,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:37:46,022 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:46,022 INFO L357 BasicCegarLoop]: trace histogram [93, 1, 1, 1] [2018-07-23 13:37:46,022 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:46,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1249912492, now seen corresponding path program 93 times [2018-07-23 13:37:46,022 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:46,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:46,305 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:46,305 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:37:46,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:46,306 INFO L185 omatonBuilderFactory]: Interpolants [23936#(<= ULTIMATE.start_main_~y~4 23), 23937#(<= ULTIMATE.start_main_~y~4 24), 23938#(<= ULTIMATE.start_main_~y~4 25), 23939#(<= ULTIMATE.start_main_~y~4 26), 23940#(<= ULTIMATE.start_main_~y~4 27), 23941#(<= ULTIMATE.start_main_~y~4 28), 23942#(<= ULTIMATE.start_main_~y~4 29), 23943#(<= ULTIMATE.start_main_~y~4 30), 23944#(<= ULTIMATE.start_main_~y~4 31), 23945#(<= ULTIMATE.start_main_~y~4 32), 23946#(<= ULTIMATE.start_main_~y~4 33), 23947#(<= ULTIMATE.start_main_~y~4 34), 23948#(<= ULTIMATE.start_main_~y~4 35), 23949#(<= ULTIMATE.start_main_~y~4 36), 23950#(<= ULTIMATE.start_main_~y~4 37), 23951#(<= ULTIMATE.start_main_~y~4 38), 23952#(<= ULTIMATE.start_main_~y~4 39), 23953#(<= ULTIMATE.start_main_~y~4 40), 23954#(<= ULTIMATE.start_main_~y~4 41), 23955#(<= ULTIMATE.start_main_~y~4 42), 23956#(<= ULTIMATE.start_main_~y~4 43), 23957#(<= ULTIMATE.start_main_~y~4 44), 23958#(<= ULTIMATE.start_main_~y~4 45), 23959#(<= ULTIMATE.start_main_~y~4 46), 23960#(<= ULTIMATE.start_main_~y~4 47), 23961#(<= ULTIMATE.start_main_~y~4 48), 23962#(<= ULTIMATE.start_main_~y~4 49), 23963#(<= ULTIMATE.start_main_~y~4 50), 23964#(<= ULTIMATE.start_main_~y~4 51), 23965#(<= ULTIMATE.start_main_~y~4 52), 23966#(<= ULTIMATE.start_main_~y~4 53), 23967#(<= ULTIMATE.start_main_~y~4 54), 23968#(<= ULTIMATE.start_main_~y~4 55), 23969#(<= ULTIMATE.start_main_~y~4 56), 23970#(<= ULTIMATE.start_main_~y~4 57), 23971#(<= ULTIMATE.start_main_~y~4 58), 23972#(<= ULTIMATE.start_main_~y~4 59), 23973#(<= ULTIMATE.start_main_~y~4 60), 23974#(<= ULTIMATE.start_main_~y~4 61), 23975#(<= ULTIMATE.start_main_~y~4 62), 23976#(<= ULTIMATE.start_main_~y~4 63), 23977#(<= ULTIMATE.start_main_~y~4 64), 23978#(<= ULTIMATE.start_main_~y~4 65), 23979#(<= ULTIMATE.start_main_~y~4 66), 23980#(<= ULTIMATE.start_main_~y~4 67), 23981#(<= ULTIMATE.start_main_~y~4 68), 23982#(<= ULTIMATE.start_main_~y~4 69), 23983#(<= ULTIMATE.start_main_~y~4 70), 23984#(<= ULTIMATE.start_main_~y~4 71), 23985#(<= ULTIMATE.start_main_~y~4 72), 23986#(<= ULTIMATE.start_main_~y~4 73), 23987#(<= ULTIMATE.start_main_~y~4 74), 23988#(<= ULTIMATE.start_main_~y~4 75), 23989#(<= ULTIMATE.start_main_~y~4 76), 23990#(<= ULTIMATE.start_main_~y~4 77), 23991#(<= ULTIMATE.start_main_~y~4 78), 23992#(<= ULTIMATE.start_main_~y~4 79), 23993#(<= ULTIMATE.start_main_~y~4 80), 23994#(<= ULTIMATE.start_main_~y~4 81), 23995#(<= ULTIMATE.start_main_~y~4 82), 23996#(<= ULTIMATE.start_main_~y~4 83), 23997#(<= ULTIMATE.start_main_~y~4 84), 23998#(<= ULTIMATE.start_main_~y~4 85), 23999#(<= ULTIMATE.start_main_~y~4 86), 24000#(<= ULTIMATE.start_main_~y~4 87), 24001#(<= ULTIMATE.start_main_~y~4 88), 24002#(<= ULTIMATE.start_main_~y~4 89), 24003#(<= ULTIMATE.start_main_~y~4 90), 24004#(<= ULTIMATE.start_main_~y~4 91), 24005#(<= ULTIMATE.start_main_~y~4 92), 24006#(<= ULTIMATE.start_main_~y~4 93), 23911#true, 23912#false, 23913#(<= ULTIMATE.start_main_~y~4 0), 23914#(<= ULTIMATE.start_main_~y~4 1), 23915#(<= ULTIMATE.start_main_~y~4 2), 23916#(<= ULTIMATE.start_main_~y~4 3), 23917#(<= ULTIMATE.start_main_~y~4 4), 23918#(<= ULTIMATE.start_main_~y~4 5), 23919#(<= ULTIMATE.start_main_~y~4 6), 23920#(<= ULTIMATE.start_main_~y~4 7), 23921#(<= ULTIMATE.start_main_~y~4 8), 23922#(<= ULTIMATE.start_main_~y~4 9), 23923#(<= ULTIMATE.start_main_~y~4 10), 23924#(<= ULTIMATE.start_main_~y~4 11), 23925#(<= ULTIMATE.start_main_~y~4 12), 23926#(<= ULTIMATE.start_main_~y~4 13), 23927#(<= ULTIMATE.start_main_~y~4 14), 23928#(<= ULTIMATE.start_main_~y~4 15), 23929#(<= ULTIMATE.start_main_~y~4 16), 23930#(<= ULTIMATE.start_main_~y~4 17), 23931#(<= ULTIMATE.start_main_~y~4 18), 23932#(<= ULTIMATE.start_main_~y~4 19), 23933#(<= ULTIMATE.start_main_~y~4 20), 23934#(<= ULTIMATE.start_main_~y~4 21), 23935#(<= ULTIMATE.start_main_~y~4 22)] [2018-07-23 13:37:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:46,306 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:37:46,307 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:37:46,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:37:46,308 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 96 states. [2018-07-23 13:37:46,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:46,374 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-07-23 13:37:46,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:37:46,374 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 96 [2018-07-23 13:37:46,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:46,375 INFO L225 Difference]: With dead ends: 100 [2018-07-23 13:37:46,375 INFO L226 Difference]: Without dead ends: 98 [2018-07-23 13:37:46,376 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:37:46,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-07-23 13:37:46,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-07-23 13:37:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-07-23 13:37:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-07-23 13:37:46,378 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 96 [2018-07-23 13:37:46,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:46,378 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2018-07-23 13:37:46,379 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:37:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-07-23 13:37:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-07-23 13:37:46,379 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:46,379 INFO L357 BasicCegarLoop]: trace histogram [94, 1, 1, 1] [2018-07-23 13:37:46,380 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:46,380 INFO L82 PathProgramCache]: Analyzing trace with hash 92583395, now seen corresponding path program 94 times [2018-07-23 13:37:46,380 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:46,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:46,712 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:46,712 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:37:46,712 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:46,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:46,713 INFO L185 omatonBuilderFactory]: Interpolants [24403#true, 24404#false, 24405#(<= ULTIMATE.start_main_~y~4 0), 24406#(<= ULTIMATE.start_main_~y~4 1), 24407#(<= ULTIMATE.start_main_~y~4 2), 24408#(<= ULTIMATE.start_main_~y~4 3), 24409#(<= ULTIMATE.start_main_~y~4 4), 24410#(<= ULTIMATE.start_main_~y~4 5), 24411#(<= ULTIMATE.start_main_~y~4 6), 24412#(<= ULTIMATE.start_main_~y~4 7), 24413#(<= ULTIMATE.start_main_~y~4 8), 24414#(<= ULTIMATE.start_main_~y~4 9), 24415#(<= ULTIMATE.start_main_~y~4 10), 24416#(<= ULTIMATE.start_main_~y~4 11), 24417#(<= ULTIMATE.start_main_~y~4 12), 24418#(<= ULTIMATE.start_main_~y~4 13), 24419#(<= ULTIMATE.start_main_~y~4 14), 24420#(<= ULTIMATE.start_main_~y~4 15), 24421#(<= ULTIMATE.start_main_~y~4 16), 24422#(<= ULTIMATE.start_main_~y~4 17), 24423#(<= ULTIMATE.start_main_~y~4 18), 24424#(<= ULTIMATE.start_main_~y~4 19), 24425#(<= ULTIMATE.start_main_~y~4 20), 24426#(<= ULTIMATE.start_main_~y~4 21), 24427#(<= ULTIMATE.start_main_~y~4 22), 24428#(<= ULTIMATE.start_main_~y~4 23), 24429#(<= ULTIMATE.start_main_~y~4 24), 24430#(<= ULTIMATE.start_main_~y~4 25), 24431#(<= ULTIMATE.start_main_~y~4 26), 24432#(<= ULTIMATE.start_main_~y~4 27), 24433#(<= ULTIMATE.start_main_~y~4 28), 24434#(<= ULTIMATE.start_main_~y~4 29), 24435#(<= ULTIMATE.start_main_~y~4 30), 24436#(<= ULTIMATE.start_main_~y~4 31), 24437#(<= ULTIMATE.start_main_~y~4 32), 24438#(<= ULTIMATE.start_main_~y~4 33), 24439#(<= ULTIMATE.start_main_~y~4 34), 24440#(<= ULTIMATE.start_main_~y~4 35), 24441#(<= ULTIMATE.start_main_~y~4 36), 24442#(<= ULTIMATE.start_main_~y~4 37), 24443#(<= ULTIMATE.start_main_~y~4 38), 24444#(<= ULTIMATE.start_main_~y~4 39), 24445#(<= ULTIMATE.start_main_~y~4 40), 24446#(<= ULTIMATE.start_main_~y~4 41), 24447#(<= ULTIMATE.start_main_~y~4 42), 24448#(<= ULTIMATE.start_main_~y~4 43), 24449#(<= ULTIMATE.start_main_~y~4 44), 24450#(<= ULTIMATE.start_main_~y~4 45), 24451#(<= ULTIMATE.start_main_~y~4 46), 24452#(<= ULTIMATE.start_main_~y~4 47), 24453#(<= ULTIMATE.start_main_~y~4 48), 24454#(<= ULTIMATE.start_main_~y~4 49), 24455#(<= ULTIMATE.start_main_~y~4 50), 24456#(<= ULTIMATE.start_main_~y~4 51), 24457#(<= ULTIMATE.start_main_~y~4 52), 24458#(<= ULTIMATE.start_main_~y~4 53), 24459#(<= ULTIMATE.start_main_~y~4 54), 24460#(<= ULTIMATE.start_main_~y~4 55), 24461#(<= ULTIMATE.start_main_~y~4 56), 24462#(<= ULTIMATE.start_main_~y~4 57), 24463#(<= ULTIMATE.start_main_~y~4 58), 24464#(<= ULTIMATE.start_main_~y~4 59), 24465#(<= ULTIMATE.start_main_~y~4 60), 24466#(<= ULTIMATE.start_main_~y~4 61), 24467#(<= ULTIMATE.start_main_~y~4 62), 24468#(<= ULTIMATE.start_main_~y~4 63), 24469#(<= ULTIMATE.start_main_~y~4 64), 24470#(<= ULTIMATE.start_main_~y~4 65), 24471#(<= ULTIMATE.start_main_~y~4 66), 24472#(<= ULTIMATE.start_main_~y~4 67), 24473#(<= ULTIMATE.start_main_~y~4 68), 24474#(<= ULTIMATE.start_main_~y~4 69), 24475#(<= ULTIMATE.start_main_~y~4 70), 24476#(<= ULTIMATE.start_main_~y~4 71), 24477#(<= ULTIMATE.start_main_~y~4 72), 24478#(<= ULTIMATE.start_main_~y~4 73), 24479#(<= ULTIMATE.start_main_~y~4 74), 24480#(<= ULTIMATE.start_main_~y~4 75), 24481#(<= ULTIMATE.start_main_~y~4 76), 24482#(<= ULTIMATE.start_main_~y~4 77), 24483#(<= ULTIMATE.start_main_~y~4 78), 24484#(<= ULTIMATE.start_main_~y~4 79), 24485#(<= ULTIMATE.start_main_~y~4 80), 24486#(<= ULTIMATE.start_main_~y~4 81), 24487#(<= ULTIMATE.start_main_~y~4 82), 24488#(<= ULTIMATE.start_main_~y~4 83), 24489#(<= ULTIMATE.start_main_~y~4 84), 24490#(<= ULTIMATE.start_main_~y~4 85), 24491#(<= ULTIMATE.start_main_~y~4 86), 24492#(<= ULTIMATE.start_main_~y~4 87), 24493#(<= ULTIMATE.start_main_~y~4 88), 24494#(<= ULTIMATE.start_main_~y~4 89), 24495#(<= ULTIMATE.start_main_~y~4 90), 24496#(<= ULTIMATE.start_main_~y~4 91), 24497#(<= ULTIMATE.start_main_~y~4 92), 24498#(<= ULTIMATE.start_main_~y~4 93), 24499#(<= ULTIMATE.start_main_~y~4 94)] [2018-07-23 13:37:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:46,713 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:37:46,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:37:46,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:37:46,715 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand 97 states. [2018-07-23 13:37:46,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:46,772 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:37:46,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:37:46,772 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 97 [2018-07-23 13:37:46,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:46,773 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:37:46,773 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:37:46,774 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:37:46,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:37:46,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:37:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:37:46,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:37:46,777 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 97 [2018-07-23 13:37:46,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:46,777 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:37:46,778 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:37:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:37:46,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:37:46,778 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:46,779 INFO L357 BasicCegarLoop]: trace histogram [95, 1, 1, 1] [2018-07-23 13:37:46,779 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:46,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1424880244, now seen corresponding path program 95 times [2018-07-23 13:37:46,779 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,161 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:47,161 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:37:47,162 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,162 INFO L185 omatonBuilderFactory]: Interpolants [24900#true, 24901#false, 24902#(<= ULTIMATE.start_main_~y~4 0), 24903#(<= ULTIMATE.start_main_~y~4 1), 24904#(<= ULTIMATE.start_main_~y~4 2), 24905#(<= ULTIMATE.start_main_~y~4 3), 24906#(<= ULTIMATE.start_main_~y~4 4), 24907#(<= ULTIMATE.start_main_~y~4 5), 24908#(<= ULTIMATE.start_main_~y~4 6), 24909#(<= ULTIMATE.start_main_~y~4 7), 24910#(<= ULTIMATE.start_main_~y~4 8), 24911#(<= ULTIMATE.start_main_~y~4 9), 24912#(<= ULTIMATE.start_main_~y~4 10), 24913#(<= ULTIMATE.start_main_~y~4 11), 24914#(<= ULTIMATE.start_main_~y~4 12), 24915#(<= ULTIMATE.start_main_~y~4 13), 24916#(<= ULTIMATE.start_main_~y~4 14), 24917#(<= ULTIMATE.start_main_~y~4 15), 24918#(<= ULTIMATE.start_main_~y~4 16), 24919#(<= ULTIMATE.start_main_~y~4 17), 24920#(<= ULTIMATE.start_main_~y~4 18), 24921#(<= ULTIMATE.start_main_~y~4 19), 24922#(<= ULTIMATE.start_main_~y~4 20), 24923#(<= ULTIMATE.start_main_~y~4 21), 24924#(<= ULTIMATE.start_main_~y~4 22), 24925#(<= ULTIMATE.start_main_~y~4 23), 24926#(<= ULTIMATE.start_main_~y~4 24), 24927#(<= ULTIMATE.start_main_~y~4 25), 24928#(<= ULTIMATE.start_main_~y~4 26), 24929#(<= ULTIMATE.start_main_~y~4 27), 24930#(<= ULTIMATE.start_main_~y~4 28), 24931#(<= ULTIMATE.start_main_~y~4 29), 24932#(<= ULTIMATE.start_main_~y~4 30), 24933#(<= ULTIMATE.start_main_~y~4 31), 24934#(<= ULTIMATE.start_main_~y~4 32), 24935#(<= ULTIMATE.start_main_~y~4 33), 24936#(<= ULTIMATE.start_main_~y~4 34), 24937#(<= ULTIMATE.start_main_~y~4 35), 24938#(<= ULTIMATE.start_main_~y~4 36), 24939#(<= ULTIMATE.start_main_~y~4 37), 24940#(<= ULTIMATE.start_main_~y~4 38), 24941#(<= ULTIMATE.start_main_~y~4 39), 24942#(<= ULTIMATE.start_main_~y~4 40), 24943#(<= ULTIMATE.start_main_~y~4 41), 24944#(<= ULTIMATE.start_main_~y~4 42), 24945#(<= ULTIMATE.start_main_~y~4 43), 24946#(<= ULTIMATE.start_main_~y~4 44), 24947#(<= ULTIMATE.start_main_~y~4 45), 24948#(<= ULTIMATE.start_main_~y~4 46), 24949#(<= ULTIMATE.start_main_~y~4 47), 24950#(<= ULTIMATE.start_main_~y~4 48), 24951#(<= ULTIMATE.start_main_~y~4 49), 24952#(<= ULTIMATE.start_main_~y~4 50), 24953#(<= ULTIMATE.start_main_~y~4 51), 24954#(<= ULTIMATE.start_main_~y~4 52), 24955#(<= ULTIMATE.start_main_~y~4 53), 24956#(<= ULTIMATE.start_main_~y~4 54), 24957#(<= ULTIMATE.start_main_~y~4 55), 24958#(<= ULTIMATE.start_main_~y~4 56), 24959#(<= ULTIMATE.start_main_~y~4 57), 24960#(<= ULTIMATE.start_main_~y~4 58), 24961#(<= ULTIMATE.start_main_~y~4 59), 24962#(<= ULTIMATE.start_main_~y~4 60), 24963#(<= ULTIMATE.start_main_~y~4 61), 24964#(<= ULTIMATE.start_main_~y~4 62), 24965#(<= ULTIMATE.start_main_~y~4 63), 24966#(<= ULTIMATE.start_main_~y~4 64), 24967#(<= ULTIMATE.start_main_~y~4 65), 24968#(<= ULTIMATE.start_main_~y~4 66), 24969#(<= ULTIMATE.start_main_~y~4 67), 24970#(<= ULTIMATE.start_main_~y~4 68), 24971#(<= ULTIMATE.start_main_~y~4 69), 24972#(<= ULTIMATE.start_main_~y~4 70), 24973#(<= ULTIMATE.start_main_~y~4 71), 24974#(<= ULTIMATE.start_main_~y~4 72), 24975#(<= ULTIMATE.start_main_~y~4 73), 24976#(<= ULTIMATE.start_main_~y~4 74), 24977#(<= ULTIMATE.start_main_~y~4 75), 24978#(<= ULTIMATE.start_main_~y~4 76), 24979#(<= ULTIMATE.start_main_~y~4 77), 24980#(<= ULTIMATE.start_main_~y~4 78), 24981#(<= ULTIMATE.start_main_~y~4 79), 24982#(<= ULTIMATE.start_main_~y~4 80), 24983#(<= ULTIMATE.start_main_~y~4 81), 24984#(<= ULTIMATE.start_main_~y~4 82), 24985#(<= ULTIMATE.start_main_~y~4 83), 24986#(<= ULTIMATE.start_main_~y~4 84), 24987#(<= ULTIMATE.start_main_~y~4 85), 24988#(<= ULTIMATE.start_main_~y~4 86), 24989#(<= ULTIMATE.start_main_~y~4 87), 24990#(<= ULTIMATE.start_main_~y~4 88), 24991#(<= ULTIMATE.start_main_~y~4 89), 24992#(<= ULTIMATE.start_main_~y~4 90), 24993#(<= ULTIMATE.start_main_~y~4 91), 24994#(<= ULTIMATE.start_main_~y~4 92), 24995#(<= ULTIMATE.start_main_~y~4 93), 24996#(<= ULTIMATE.start_main_~y~4 94), 24997#(<= ULTIMATE.start_main_~y~4 95)] [2018-07-23 13:37:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,163 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:37:47,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:37:47,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:37:47,165 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 98 states. [2018-07-23 13:37:47,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:47,241 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2018-07-23 13:37:47,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:37:47,242 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 98 [2018-07-23 13:37:47,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:47,242 INFO L225 Difference]: With dead ends: 102 [2018-07-23 13:37:47,242 INFO L226 Difference]: Without dead ends: 100 [2018-07-23 13:37:47,243 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:37:47,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-23 13:37:47,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-07-23 13:37:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-07-23 13:37:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-07-23 13:37:47,246 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 98 [2018-07-23 13:37:47,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:47,246 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-07-23 13:37:47,246 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:37:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-07-23 13:37:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-23 13:37:47,247 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:47,247 INFO L357 BasicCegarLoop]: trace histogram [96, 1, 1, 1] [2018-07-23 13:37:47,247 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:47,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1221612797, now seen corresponding path program 96 times [2018-07-23 13:37:47,247 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,554 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:47,554 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:37:47,554 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,555 INFO L185 omatonBuilderFactory]: Interpolants [25402#true, 25403#false, 25404#(<= ULTIMATE.start_main_~y~4 0), 25405#(<= ULTIMATE.start_main_~y~4 1), 25406#(<= ULTIMATE.start_main_~y~4 2), 25407#(<= ULTIMATE.start_main_~y~4 3), 25408#(<= ULTIMATE.start_main_~y~4 4), 25409#(<= ULTIMATE.start_main_~y~4 5), 25410#(<= ULTIMATE.start_main_~y~4 6), 25411#(<= ULTIMATE.start_main_~y~4 7), 25412#(<= ULTIMATE.start_main_~y~4 8), 25413#(<= ULTIMATE.start_main_~y~4 9), 25414#(<= ULTIMATE.start_main_~y~4 10), 25415#(<= ULTIMATE.start_main_~y~4 11), 25416#(<= ULTIMATE.start_main_~y~4 12), 25417#(<= ULTIMATE.start_main_~y~4 13), 25418#(<= ULTIMATE.start_main_~y~4 14), 25419#(<= ULTIMATE.start_main_~y~4 15), 25420#(<= ULTIMATE.start_main_~y~4 16), 25421#(<= ULTIMATE.start_main_~y~4 17), 25422#(<= ULTIMATE.start_main_~y~4 18), 25423#(<= ULTIMATE.start_main_~y~4 19), 25424#(<= ULTIMATE.start_main_~y~4 20), 25425#(<= ULTIMATE.start_main_~y~4 21), 25426#(<= ULTIMATE.start_main_~y~4 22), 25427#(<= ULTIMATE.start_main_~y~4 23), 25428#(<= ULTIMATE.start_main_~y~4 24), 25429#(<= ULTIMATE.start_main_~y~4 25), 25430#(<= ULTIMATE.start_main_~y~4 26), 25431#(<= ULTIMATE.start_main_~y~4 27), 25432#(<= ULTIMATE.start_main_~y~4 28), 25433#(<= ULTIMATE.start_main_~y~4 29), 25434#(<= ULTIMATE.start_main_~y~4 30), 25435#(<= ULTIMATE.start_main_~y~4 31), 25436#(<= ULTIMATE.start_main_~y~4 32), 25437#(<= ULTIMATE.start_main_~y~4 33), 25438#(<= ULTIMATE.start_main_~y~4 34), 25439#(<= ULTIMATE.start_main_~y~4 35), 25440#(<= ULTIMATE.start_main_~y~4 36), 25441#(<= ULTIMATE.start_main_~y~4 37), 25442#(<= ULTIMATE.start_main_~y~4 38), 25443#(<= ULTIMATE.start_main_~y~4 39), 25444#(<= ULTIMATE.start_main_~y~4 40), 25445#(<= ULTIMATE.start_main_~y~4 41), 25446#(<= ULTIMATE.start_main_~y~4 42), 25447#(<= ULTIMATE.start_main_~y~4 43), 25448#(<= ULTIMATE.start_main_~y~4 44), 25449#(<= ULTIMATE.start_main_~y~4 45), 25450#(<= ULTIMATE.start_main_~y~4 46), 25451#(<= ULTIMATE.start_main_~y~4 47), 25452#(<= ULTIMATE.start_main_~y~4 48), 25453#(<= ULTIMATE.start_main_~y~4 49), 25454#(<= ULTIMATE.start_main_~y~4 50), 25455#(<= ULTIMATE.start_main_~y~4 51), 25456#(<= ULTIMATE.start_main_~y~4 52), 25457#(<= ULTIMATE.start_main_~y~4 53), 25458#(<= ULTIMATE.start_main_~y~4 54), 25459#(<= ULTIMATE.start_main_~y~4 55), 25460#(<= ULTIMATE.start_main_~y~4 56), 25461#(<= ULTIMATE.start_main_~y~4 57), 25462#(<= ULTIMATE.start_main_~y~4 58), 25463#(<= ULTIMATE.start_main_~y~4 59), 25464#(<= ULTIMATE.start_main_~y~4 60), 25465#(<= ULTIMATE.start_main_~y~4 61), 25466#(<= ULTIMATE.start_main_~y~4 62), 25467#(<= ULTIMATE.start_main_~y~4 63), 25468#(<= ULTIMATE.start_main_~y~4 64), 25469#(<= ULTIMATE.start_main_~y~4 65), 25470#(<= ULTIMATE.start_main_~y~4 66), 25471#(<= ULTIMATE.start_main_~y~4 67), 25472#(<= ULTIMATE.start_main_~y~4 68), 25473#(<= ULTIMATE.start_main_~y~4 69), 25474#(<= ULTIMATE.start_main_~y~4 70), 25475#(<= ULTIMATE.start_main_~y~4 71), 25476#(<= ULTIMATE.start_main_~y~4 72), 25477#(<= ULTIMATE.start_main_~y~4 73), 25478#(<= ULTIMATE.start_main_~y~4 74), 25479#(<= ULTIMATE.start_main_~y~4 75), 25480#(<= ULTIMATE.start_main_~y~4 76), 25481#(<= ULTIMATE.start_main_~y~4 77), 25482#(<= ULTIMATE.start_main_~y~4 78), 25483#(<= ULTIMATE.start_main_~y~4 79), 25484#(<= ULTIMATE.start_main_~y~4 80), 25485#(<= ULTIMATE.start_main_~y~4 81), 25486#(<= ULTIMATE.start_main_~y~4 82), 25487#(<= ULTIMATE.start_main_~y~4 83), 25488#(<= ULTIMATE.start_main_~y~4 84), 25489#(<= ULTIMATE.start_main_~y~4 85), 25490#(<= ULTIMATE.start_main_~y~4 86), 25491#(<= ULTIMATE.start_main_~y~4 87), 25492#(<= ULTIMATE.start_main_~y~4 88), 25493#(<= ULTIMATE.start_main_~y~4 89), 25494#(<= ULTIMATE.start_main_~y~4 90), 25495#(<= ULTIMATE.start_main_~y~4 91), 25496#(<= ULTIMATE.start_main_~y~4 92), 25497#(<= ULTIMATE.start_main_~y~4 93), 25498#(<= ULTIMATE.start_main_~y~4 94), 25499#(<= ULTIMATE.start_main_~y~4 95), 25500#(<= ULTIMATE.start_main_~y~4 96)] [2018-07-23 13:37:47,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,555 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:37:47,556 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:37:47,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:37:47,556 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 99 states. [2018-07-23 13:37:47,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:47,611 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:37:47,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:37:47,612 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 99 [2018-07-23 13:37:47,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:47,612 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:37:47,612 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:37:47,613 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:37:47,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:37:47,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:37:47,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:37:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:37:47,616 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 99 [2018-07-23 13:37:47,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:47,616 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:37:47,616 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:37:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:37:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:37:47,617 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:47,617 INFO L357 BasicCegarLoop]: trace histogram [97, 1, 1, 1] [2018-07-23 13:37:47,617 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:47,617 INFO L82 PathProgramCache]: Analyzing trace with hash 784710764, now seen corresponding path program 97 times [2018-07-23 13:37:47,617 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,907 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:47,907 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:37:47,907 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:47,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,908 INFO L185 omatonBuilderFactory]: Interpolants [25909#true, 25910#false, 25911#(<= ULTIMATE.start_main_~y~4 0), 25912#(<= ULTIMATE.start_main_~y~4 1), 25913#(<= ULTIMATE.start_main_~y~4 2), 25914#(<= ULTIMATE.start_main_~y~4 3), 25915#(<= ULTIMATE.start_main_~y~4 4), 25916#(<= ULTIMATE.start_main_~y~4 5), 25917#(<= ULTIMATE.start_main_~y~4 6), 25918#(<= ULTIMATE.start_main_~y~4 7), 25919#(<= ULTIMATE.start_main_~y~4 8), 25920#(<= ULTIMATE.start_main_~y~4 9), 25921#(<= ULTIMATE.start_main_~y~4 10), 25922#(<= ULTIMATE.start_main_~y~4 11), 25923#(<= ULTIMATE.start_main_~y~4 12), 25924#(<= ULTIMATE.start_main_~y~4 13), 25925#(<= ULTIMATE.start_main_~y~4 14), 25926#(<= ULTIMATE.start_main_~y~4 15), 25927#(<= ULTIMATE.start_main_~y~4 16), 25928#(<= ULTIMATE.start_main_~y~4 17), 25929#(<= ULTIMATE.start_main_~y~4 18), 25930#(<= ULTIMATE.start_main_~y~4 19), 25931#(<= ULTIMATE.start_main_~y~4 20), 25932#(<= ULTIMATE.start_main_~y~4 21), 25933#(<= ULTIMATE.start_main_~y~4 22), 25934#(<= ULTIMATE.start_main_~y~4 23), 25935#(<= ULTIMATE.start_main_~y~4 24), 25936#(<= ULTIMATE.start_main_~y~4 25), 25937#(<= ULTIMATE.start_main_~y~4 26), 25938#(<= ULTIMATE.start_main_~y~4 27), 25939#(<= ULTIMATE.start_main_~y~4 28), 25940#(<= ULTIMATE.start_main_~y~4 29), 25941#(<= ULTIMATE.start_main_~y~4 30), 25942#(<= ULTIMATE.start_main_~y~4 31), 25943#(<= ULTIMATE.start_main_~y~4 32), 25944#(<= ULTIMATE.start_main_~y~4 33), 25945#(<= ULTIMATE.start_main_~y~4 34), 25946#(<= ULTIMATE.start_main_~y~4 35), 25947#(<= ULTIMATE.start_main_~y~4 36), 25948#(<= ULTIMATE.start_main_~y~4 37), 25949#(<= ULTIMATE.start_main_~y~4 38), 25950#(<= ULTIMATE.start_main_~y~4 39), 25951#(<= ULTIMATE.start_main_~y~4 40), 25952#(<= ULTIMATE.start_main_~y~4 41), 25953#(<= ULTIMATE.start_main_~y~4 42), 25954#(<= ULTIMATE.start_main_~y~4 43), 25955#(<= ULTIMATE.start_main_~y~4 44), 25956#(<= ULTIMATE.start_main_~y~4 45), 25957#(<= ULTIMATE.start_main_~y~4 46), 25958#(<= ULTIMATE.start_main_~y~4 47), 25959#(<= ULTIMATE.start_main_~y~4 48), 25960#(<= ULTIMATE.start_main_~y~4 49), 25961#(<= ULTIMATE.start_main_~y~4 50), 25962#(<= ULTIMATE.start_main_~y~4 51), 25963#(<= ULTIMATE.start_main_~y~4 52), 25964#(<= ULTIMATE.start_main_~y~4 53), 25965#(<= ULTIMATE.start_main_~y~4 54), 25966#(<= ULTIMATE.start_main_~y~4 55), 25967#(<= ULTIMATE.start_main_~y~4 56), 25968#(<= ULTIMATE.start_main_~y~4 57), 25969#(<= ULTIMATE.start_main_~y~4 58), 25970#(<= ULTIMATE.start_main_~y~4 59), 25971#(<= ULTIMATE.start_main_~y~4 60), 25972#(<= ULTIMATE.start_main_~y~4 61), 25973#(<= ULTIMATE.start_main_~y~4 62), 25974#(<= ULTIMATE.start_main_~y~4 63), 25975#(<= ULTIMATE.start_main_~y~4 64), 25976#(<= ULTIMATE.start_main_~y~4 65), 25977#(<= ULTIMATE.start_main_~y~4 66), 25978#(<= ULTIMATE.start_main_~y~4 67), 25979#(<= ULTIMATE.start_main_~y~4 68), 25980#(<= ULTIMATE.start_main_~y~4 69), 25981#(<= ULTIMATE.start_main_~y~4 70), 25982#(<= ULTIMATE.start_main_~y~4 71), 25983#(<= ULTIMATE.start_main_~y~4 72), 25984#(<= ULTIMATE.start_main_~y~4 73), 25985#(<= ULTIMATE.start_main_~y~4 74), 25986#(<= ULTIMATE.start_main_~y~4 75), 25987#(<= ULTIMATE.start_main_~y~4 76), 25988#(<= ULTIMATE.start_main_~y~4 77), 25989#(<= ULTIMATE.start_main_~y~4 78), 25990#(<= ULTIMATE.start_main_~y~4 79), 25991#(<= ULTIMATE.start_main_~y~4 80), 25992#(<= ULTIMATE.start_main_~y~4 81), 25993#(<= ULTIMATE.start_main_~y~4 82), 25994#(<= ULTIMATE.start_main_~y~4 83), 25995#(<= ULTIMATE.start_main_~y~4 84), 25996#(<= ULTIMATE.start_main_~y~4 85), 25997#(<= ULTIMATE.start_main_~y~4 86), 25998#(<= ULTIMATE.start_main_~y~4 87), 25999#(<= ULTIMATE.start_main_~y~4 88), 26000#(<= ULTIMATE.start_main_~y~4 89), 26001#(<= ULTIMATE.start_main_~y~4 90), 26002#(<= ULTIMATE.start_main_~y~4 91), 26003#(<= ULTIMATE.start_main_~y~4 92), 26004#(<= ULTIMATE.start_main_~y~4 93), 26005#(<= ULTIMATE.start_main_~y~4 94), 26006#(<= ULTIMATE.start_main_~y~4 95), 26007#(<= ULTIMATE.start_main_~y~4 96), 26008#(<= ULTIMATE.start_main_~y~4 97)] [2018-07-23 13:37:47,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,908 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:37:47,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:37:47,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:37:47,909 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 100 states. [2018-07-23 13:37:47,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:47,987 INFO L93 Difference]: Finished difference Result 104 states and 104 transitions. [2018-07-23 13:37:47,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:37:47,987 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 100 [2018-07-23 13:37:47,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:47,989 INFO L225 Difference]: With dead ends: 104 [2018-07-23 13:37:47,990 INFO L226 Difference]: Without dead ends: 102 [2018-07-23 13:37:47,990 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:37:47,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-07-23 13:37:47,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-07-23 13:37:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-07-23 13:37:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-07-23 13:37:47,993 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 100 [2018-07-23 13:37:47,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:47,994 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-07-23 13:37:47,994 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:37:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-07-23 13:37:47,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-07-23 13:37:47,994 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:47,995 INFO L357 BasicCegarLoop]: trace histogram [98, 1, 1, 1] [2018-07-23 13:37:47,995 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:47,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1443768285, now seen corresponding path program 98 times [2018-07-23 13:37:47,995 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,239 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:48,239 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:37:48,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,239 INFO L185 omatonBuilderFactory]: Interpolants [26421#true, 26422#false, 26423#(<= ULTIMATE.start_main_~y~4 0), 26424#(<= ULTIMATE.start_main_~y~4 1), 26425#(<= ULTIMATE.start_main_~y~4 2), 26426#(<= ULTIMATE.start_main_~y~4 3), 26427#(<= ULTIMATE.start_main_~y~4 4), 26428#(<= ULTIMATE.start_main_~y~4 5), 26429#(<= ULTIMATE.start_main_~y~4 6), 26430#(<= ULTIMATE.start_main_~y~4 7), 26431#(<= ULTIMATE.start_main_~y~4 8), 26432#(<= ULTIMATE.start_main_~y~4 9), 26433#(<= ULTIMATE.start_main_~y~4 10), 26434#(<= ULTIMATE.start_main_~y~4 11), 26435#(<= ULTIMATE.start_main_~y~4 12), 26436#(<= ULTIMATE.start_main_~y~4 13), 26437#(<= ULTIMATE.start_main_~y~4 14), 26438#(<= ULTIMATE.start_main_~y~4 15), 26439#(<= ULTIMATE.start_main_~y~4 16), 26440#(<= ULTIMATE.start_main_~y~4 17), 26441#(<= ULTIMATE.start_main_~y~4 18), 26442#(<= ULTIMATE.start_main_~y~4 19), 26443#(<= ULTIMATE.start_main_~y~4 20), 26444#(<= ULTIMATE.start_main_~y~4 21), 26445#(<= ULTIMATE.start_main_~y~4 22), 26446#(<= ULTIMATE.start_main_~y~4 23), 26447#(<= ULTIMATE.start_main_~y~4 24), 26448#(<= ULTIMATE.start_main_~y~4 25), 26449#(<= ULTIMATE.start_main_~y~4 26), 26450#(<= ULTIMATE.start_main_~y~4 27), 26451#(<= ULTIMATE.start_main_~y~4 28), 26452#(<= ULTIMATE.start_main_~y~4 29), 26453#(<= ULTIMATE.start_main_~y~4 30), 26454#(<= ULTIMATE.start_main_~y~4 31), 26455#(<= ULTIMATE.start_main_~y~4 32), 26456#(<= ULTIMATE.start_main_~y~4 33), 26457#(<= ULTIMATE.start_main_~y~4 34), 26458#(<= ULTIMATE.start_main_~y~4 35), 26459#(<= ULTIMATE.start_main_~y~4 36), 26460#(<= ULTIMATE.start_main_~y~4 37), 26461#(<= ULTIMATE.start_main_~y~4 38), 26462#(<= ULTIMATE.start_main_~y~4 39), 26463#(<= ULTIMATE.start_main_~y~4 40), 26464#(<= ULTIMATE.start_main_~y~4 41), 26465#(<= ULTIMATE.start_main_~y~4 42), 26466#(<= ULTIMATE.start_main_~y~4 43), 26467#(<= ULTIMATE.start_main_~y~4 44), 26468#(<= ULTIMATE.start_main_~y~4 45), 26469#(<= ULTIMATE.start_main_~y~4 46), 26470#(<= ULTIMATE.start_main_~y~4 47), 26471#(<= ULTIMATE.start_main_~y~4 48), 26472#(<= ULTIMATE.start_main_~y~4 49), 26473#(<= ULTIMATE.start_main_~y~4 50), 26474#(<= ULTIMATE.start_main_~y~4 51), 26475#(<= ULTIMATE.start_main_~y~4 52), 26476#(<= ULTIMATE.start_main_~y~4 53), 26477#(<= ULTIMATE.start_main_~y~4 54), 26478#(<= ULTIMATE.start_main_~y~4 55), 26479#(<= ULTIMATE.start_main_~y~4 56), 26480#(<= ULTIMATE.start_main_~y~4 57), 26481#(<= ULTIMATE.start_main_~y~4 58), 26482#(<= ULTIMATE.start_main_~y~4 59), 26483#(<= ULTIMATE.start_main_~y~4 60), 26484#(<= ULTIMATE.start_main_~y~4 61), 26485#(<= ULTIMATE.start_main_~y~4 62), 26486#(<= ULTIMATE.start_main_~y~4 63), 26487#(<= ULTIMATE.start_main_~y~4 64), 26488#(<= ULTIMATE.start_main_~y~4 65), 26489#(<= ULTIMATE.start_main_~y~4 66), 26490#(<= ULTIMATE.start_main_~y~4 67), 26491#(<= ULTIMATE.start_main_~y~4 68), 26492#(<= ULTIMATE.start_main_~y~4 69), 26493#(<= ULTIMATE.start_main_~y~4 70), 26494#(<= ULTIMATE.start_main_~y~4 71), 26495#(<= ULTIMATE.start_main_~y~4 72), 26496#(<= ULTIMATE.start_main_~y~4 73), 26497#(<= ULTIMATE.start_main_~y~4 74), 26498#(<= ULTIMATE.start_main_~y~4 75), 26499#(<= ULTIMATE.start_main_~y~4 76), 26500#(<= ULTIMATE.start_main_~y~4 77), 26501#(<= ULTIMATE.start_main_~y~4 78), 26502#(<= ULTIMATE.start_main_~y~4 79), 26503#(<= ULTIMATE.start_main_~y~4 80), 26504#(<= ULTIMATE.start_main_~y~4 81), 26505#(<= ULTIMATE.start_main_~y~4 82), 26506#(<= ULTIMATE.start_main_~y~4 83), 26507#(<= ULTIMATE.start_main_~y~4 84), 26508#(<= ULTIMATE.start_main_~y~4 85), 26509#(<= ULTIMATE.start_main_~y~4 86), 26510#(<= ULTIMATE.start_main_~y~4 87), 26511#(<= ULTIMATE.start_main_~y~4 88), 26512#(<= ULTIMATE.start_main_~y~4 89), 26513#(<= ULTIMATE.start_main_~y~4 90), 26514#(<= ULTIMATE.start_main_~y~4 91), 26515#(<= ULTIMATE.start_main_~y~4 92), 26516#(<= ULTIMATE.start_main_~y~4 93), 26517#(<= ULTIMATE.start_main_~y~4 94), 26518#(<= ULTIMATE.start_main_~y~4 95), 26519#(<= ULTIMATE.start_main_~y~4 96), 26520#(<= ULTIMATE.start_main_~y~4 97), 26521#(<= ULTIMATE.start_main_~y~4 98)] [2018-07-23 13:37:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,240 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:37:48,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:37:48,241 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:37:48,241 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 101 states. [2018-07-23 13:37:48,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:48,304 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:37:48,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:37:48,304 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 101 [2018-07-23 13:37:48,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:48,305 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:37:48,305 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:37:48,306 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:37:48,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:37:48,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:37:48,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:37:48,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:37:48,309 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 101 [2018-07-23 13:37:48,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:48,309 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:37:48,309 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:37:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:37:48,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:37:48,310 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:48,310 INFO L357 BasicCegarLoop]: trace histogram [99, 1, 1, 1] [2018-07-23 13:37:48,310 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:48,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1807142068, now seen corresponding path program 99 times [2018-07-23 13:37:48,310 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,603 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:48,604 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:37:48,604 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,604 INFO L185 omatonBuilderFactory]: Interpolants [26938#true, 26939#false, 26940#(<= ULTIMATE.start_main_~y~4 0), 26941#(<= ULTIMATE.start_main_~y~4 1), 26942#(<= ULTIMATE.start_main_~y~4 2), 26943#(<= ULTIMATE.start_main_~y~4 3), 26944#(<= ULTIMATE.start_main_~y~4 4), 26945#(<= ULTIMATE.start_main_~y~4 5), 26946#(<= ULTIMATE.start_main_~y~4 6), 26947#(<= ULTIMATE.start_main_~y~4 7), 26948#(<= ULTIMATE.start_main_~y~4 8), 26949#(<= ULTIMATE.start_main_~y~4 9), 26950#(<= ULTIMATE.start_main_~y~4 10), 26951#(<= ULTIMATE.start_main_~y~4 11), 26952#(<= ULTIMATE.start_main_~y~4 12), 26953#(<= ULTIMATE.start_main_~y~4 13), 26954#(<= ULTIMATE.start_main_~y~4 14), 26955#(<= ULTIMATE.start_main_~y~4 15), 26956#(<= ULTIMATE.start_main_~y~4 16), 26957#(<= ULTIMATE.start_main_~y~4 17), 26958#(<= ULTIMATE.start_main_~y~4 18), 26959#(<= ULTIMATE.start_main_~y~4 19), 26960#(<= ULTIMATE.start_main_~y~4 20), 26961#(<= ULTIMATE.start_main_~y~4 21), 26962#(<= ULTIMATE.start_main_~y~4 22), 26963#(<= ULTIMATE.start_main_~y~4 23), 26964#(<= ULTIMATE.start_main_~y~4 24), 26965#(<= ULTIMATE.start_main_~y~4 25), 26966#(<= ULTIMATE.start_main_~y~4 26), 26967#(<= ULTIMATE.start_main_~y~4 27), 26968#(<= ULTIMATE.start_main_~y~4 28), 26969#(<= ULTIMATE.start_main_~y~4 29), 26970#(<= ULTIMATE.start_main_~y~4 30), 26971#(<= ULTIMATE.start_main_~y~4 31), 26972#(<= ULTIMATE.start_main_~y~4 32), 26973#(<= ULTIMATE.start_main_~y~4 33), 26974#(<= ULTIMATE.start_main_~y~4 34), 26975#(<= ULTIMATE.start_main_~y~4 35), 26976#(<= ULTIMATE.start_main_~y~4 36), 26977#(<= ULTIMATE.start_main_~y~4 37), 26978#(<= ULTIMATE.start_main_~y~4 38), 26979#(<= ULTIMATE.start_main_~y~4 39), 26980#(<= ULTIMATE.start_main_~y~4 40), 26981#(<= ULTIMATE.start_main_~y~4 41), 26982#(<= ULTIMATE.start_main_~y~4 42), 26983#(<= ULTIMATE.start_main_~y~4 43), 26984#(<= ULTIMATE.start_main_~y~4 44), 26985#(<= ULTIMATE.start_main_~y~4 45), 26986#(<= ULTIMATE.start_main_~y~4 46), 26987#(<= ULTIMATE.start_main_~y~4 47), 26988#(<= ULTIMATE.start_main_~y~4 48), 26989#(<= ULTIMATE.start_main_~y~4 49), 26990#(<= ULTIMATE.start_main_~y~4 50), 26991#(<= ULTIMATE.start_main_~y~4 51), 26992#(<= ULTIMATE.start_main_~y~4 52), 26993#(<= ULTIMATE.start_main_~y~4 53), 26994#(<= ULTIMATE.start_main_~y~4 54), 26995#(<= ULTIMATE.start_main_~y~4 55), 26996#(<= ULTIMATE.start_main_~y~4 56), 26997#(<= ULTIMATE.start_main_~y~4 57), 26998#(<= ULTIMATE.start_main_~y~4 58), 26999#(<= ULTIMATE.start_main_~y~4 59), 27000#(<= ULTIMATE.start_main_~y~4 60), 27001#(<= ULTIMATE.start_main_~y~4 61), 27002#(<= ULTIMATE.start_main_~y~4 62), 27003#(<= ULTIMATE.start_main_~y~4 63), 27004#(<= ULTIMATE.start_main_~y~4 64), 27005#(<= ULTIMATE.start_main_~y~4 65), 27006#(<= ULTIMATE.start_main_~y~4 66), 27007#(<= ULTIMATE.start_main_~y~4 67), 27008#(<= ULTIMATE.start_main_~y~4 68), 27009#(<= ULTIMATE.start_main_~y~4 69), 27010#(<= ULTIMATE.start_main_~y~4 70), 27011#(<= ULTIMATE.start_main_~y~4 71), 27012#(<= ULTIMATE.start_main_~y~4 72), 27013#(<= ULTIMATE.start_main_~y~4 73), 27014#(<= ULTIMATE.start_main_~y~4 74), 27015#(<= ULTIMATE.start_main_~y~4 75), 27016#(<= ULTIMATE.start_main_~y~4 76), 27017#(<= ULTIMATE.start_main_~y~4 77), 27018#(<= ULTIMATE.start_main_~y~4 78), 27019#(<= ULTIMATE.start_main_~y~4 79), 27020#(<= ULTIMATE.start_main_~y~4 80), 27021#(<= ULTIMATE.start_main_~y~4 81), 27022#(<= ULTIMATE.start_main_~y~4 82), 27023#(<= ULTIMATE.start_main_~y~4 83), 27024#(<= ULTIMATE.start_main_~y~4 84), 27025#(<= ULTIMATE.start_main_~y~4 85), 27026#(<= ULTIMATE.start_main_~y~4 86), 27027#(<= ULTIMATE.start_main_~y~4 87), 27028#(<= ULTIMATE.start_main_~y~4 88), 27029#(<= ULTIMATE.start_main_~y~4 89), 27030#(<= ULTIMATE.start_main_~y~4 90), 27031#(<= ULTIMATE.start_main_~y~4 91), 27032#(<= ULTIMATE.start_main_~y~4 92), 27033#(<= ULTIMATE.start_main_~y~4 93), 27034#(<= ULTIMATE.start_main_~y~4 94), 27035#(<= ULTIMATE.start_main_~y~4 95), 27036#(<= ULTIMATE.start_main_~y~4 96), 27037#(<= ULTIMATE.start_main_~y~4 97), 27038#(<= ULTIMATE.start_main_~y~4 98), 27039#(<= ULTIMATE.start_main_~y~4 99)] [2018-07-23 13:37:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,605 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:37:48,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:37:48,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:37:48,606 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 102 states. [2018-07-23 13:37:48,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:48,667 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-07-23 13:37:48,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:37:48,667 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 102 [2018-07-23 13:37:48,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:48,668 INFO L225 Difference]: With dead ends: 106 [2018-07-23 13:37:48,668 INFO L226 Difference]: Without dead ends: 104 [2018-07-23 13:37:48,669 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:37:48,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-07-23 13:37:48,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-07-23 13:37:48,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-07-23 13:37:48,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2018-07-23 13:37:48,671 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 102 [2018-07-23 13:37:48,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:48,671 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2018-07-23 13:37:48,671 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:37:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2018-07-23 13:37:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-23 13:37:48,672 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:48,672 INFO L357 BasicCegarLoop]: trace histogram [100, 1, 1, 1] [2018-07-23 13:37:48,672 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:48,672 INFO L82 PathProgramCache]: Analyzing trace with hash -186827453, now seen corresponding path program 100 times [2018-07-23 13:37:48,672 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,924 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:48,924 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:37:48,924 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,925 INFO L185 omatonBuilderFactory]: Interpolants [27460#true, 27461#false, 27462#(<= ULTIMATE.start_main_~y~4 0), 27463#(<= ULTIMATE.start_main_~y~4 1), 27464#(<= ULTIMATE.start_main_~y~4 2), 27465#(<= ULTIMATE.start_main_~y~4 3), 27466#(<= ULTIMATE.start_main_~y~4 4), 27467#(<= ULTIMATE.start_main_~y~4 5), 27468#(<= ULTIMATE.start_main_~y~4 6), 27469#(<= ULTIMATE.start_main_~y~4 7), 27470#(<= ULTIMATE.start_main_~y~4 8), 27471#(<= ULTIMATE.start_main_~y~4 9), 27472#(<= ULTIMATE.start_main_~y~4 10), 27473#(<= ULTIMATE.start_main_~y~4 11), 27474#(<= ULTIMATE.start_main_~y~4 12), 27475#(<= ULTIMATE.start_main_~y~4 13), 27476#(<= ULTIMATE.start_main_~y~4 14), 27477#(<= ULTIMATE.start_main_~y~4 15), 27478#(<= ULTIMATE.start_main_~y~4 16), 27479#(<= ULTIMATE.start_main_~y~4 17), 27480#(<= ULTIMATE.start_main_~y~4 18), 27481#(<= ULTIMATE.start_main_~y~4 19), 27482#(<= ULTIMATE.start_main_~y~4 20), 27483#(<= ULTIMATE.start_main_~y~4 21), 27484#(<= ULTIMATE.start_main_~y~4 22), 27485#(<= ULTIMATE.start_main_~y~4 23), 27486#(<= ULTIMATE.start_main_~y~4 24), 27487#(<= ULTIMATE.start_main_~y~4 25), 27488#(<= ULTIMATE.start_main_~y~4 26), 27489#(<= ULTIMATE.start_main_~y~4 27), 27490#(<= ULTIMATE.start_main_~y~4 28), 27491#(<= ULTIMATE.start_main_~y~4 29), 27492#(<= ULTIMATE.start_main_~y~4 30), 27493#(<= ULTIMATE.start_main_~y~4 31), 27494#(<= ULTIMATE.start_main_~y~4 32), 27495#(<= ULTIMATE.start_main_~y~4 33), 27496#(<= ULTIMATE.start_main_~y~4 34), 27497#(<= ULTIMATE.start_main_~y~4 35), 27498#(<= ULTIMATE.start_main_~y~4 36), 27499#(<= ULTIMATE.start_main_~y~4 37), 27500#(<= ULTIMATE.start_main_~y~4 38), 27501#(<= ULTIMATE.start_main_~y~4 39), 27502#(<= ULTIMATE.start_main_~y~4 40), 27503#(<= ULTIMATE.start_main_~y~4 41), 27504#(<= ULTIMATE.start_main_~y~4 42), 27505#(<= ULTIMATE.start_main_~y~4 43), 27506#(<= ULTIMATE.start_main_~y~4 44), 27507#(<= ULTIMATE.start_main_~y~4 45), 27508#(<= ULTIMATE.start_main_~y~4 46), 27509#(<= ULTIMATE.start_main_~y~4 47), 27510#(<= ULTIMATE.start_main_~y~4 48), 27511#(<= ULTIMATE.start_main_~y~4 49), 27512#(<= ULTIMATE.start_main_~y~4 50), 27513#(<= ULTIMATE.start_main_~y~4 51), 27514#(<= ULTIMATE.start_main_~y~4 52), 27515#(<= ULTIMATE.start_main_~y~4 53), 27516#(<= ULTIMATE.start_main_~y~4 54), 27517#(<= ULTIMATE.start_main_~y~4 55), 27518#(<= ULTIMATE.start_main_~y~4 56), 27519#(<= ULTIMATE.start_main_~y~4 57), 27520#(<= ULTIMATE.start_main_~y~4 58), 27521#(<= ULTIMATE.start_main_~y~4 59), 27522#(<= ULTIMATE.start_main_~y~4 60), 27523#(<= ULTIMATE.start_main_~y~4 61), 27524#(<= ULTIMATE.start_main_~y~4 62), 27525#(<= ULTIMATE.start_main_~y~4 63), 27526#(<= ULTIMATE.start_main_~y~4 64), 27527#(<= ULTIMATE.start_main_~y~4 65), 27528#(<= ULTIMATE.start_main_~y~4 66), 27529#(<= ULTIMATE.start_main_~y~4 67), 27530#(<= ULTIMATE.start_main_~y~4 68), 27531#(<= ULTIMATE.start_main_~y~4 69), 27532#(<= ULTIMATE.start_main_~y~4 70), 27533#(<= ULTIMATE.start_main_~y~4 71), 27534#(<= ULTIMATE.start_main_~y~4 72), 27535#(<= ULTIMATE.start_main_~y~4 73), 27536#(<= ULTIMATE.start_main_~y~4 74), 27537#(<= ULTIMATE.start_main_~y~4 75), 27538#(<= ULTIMATE.start_main_~y~4 76), 27539#(<= ULTIMATE.start_main_~y~4 77), 27540#(<= ULTIMATE.start_main_~y~4 78), 27541#(<= ULTIMATE.start_main_~y~4 79), 27542#(<= ULTIMATE.start_main_~y~4 80), 27543#(<= ULTIMATE.start_main_~y~4 81), 27544#(<= ULTIMATE.start_main_~y~4 82), 27545#(<= ULTIMATE.start_main_~y~4 83), 27546#(<= ULTIMATE.start_main_~y~4 84), 27547#(<= ULTIMATE.start_main_~y~4 85), 27548#(<= ULTIMATE.start_main_~y~4 86), 27549#(<= ULTIMATE.start_main_~y~4 87), 27550#(<= ULTIMATE.start_main_~y~4 88), 27551#(<= ULTIMATE.start_main_~y~4 89), 27552#(<= ULTIMATE.start_main_~y~4 90), 27553#(<= ULTIMATE.start_main_~y~4 91), 27554#(<= ULTIMATE.start_main_~y~4 92), 27555#(<= ULTIMATE.start_main_~y~4 93), 27556#(<= ULTIMATE.start_main_~y~4 94), 27557#(<= ULTIMATE.start_main_~y~4 95), 27558#(<= ULTIMATE.start_main_~y~4 96), 27559#(<= ULTIMATE.start_main_~y~4 97), 27560#(<= ULTIMATE.start_main_~y~4 98), 27561#(<= ULTIMATE.start_main_~y~4 99), 27562#(<= ULTIMATE.start_main_~y~4 100)] [2018-07-23 13:37:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,925 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:37:48,926 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:37:48,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:37:48,926 INFO L87 Difference]: Start difference. First operand 104 states and 104 transitions. Second operand 103 states. [2018-07-23 13:37:48,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:48,989 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:37:48,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:37:48,989 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 103 [2018-07-23 13:37:48,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:48,990 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:37:48,990 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:37:48,991 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:37:48,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:37:48,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:37:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:37:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:37:48,994 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 103 [2018-07-23 13:37:48,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:48,994 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:37:48,994 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:37:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:37:48,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:37:48,995 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:48,995 INFO L357 BasicCegarLoop]: trace histogram [101, 1, 1, 1] [2018-07-23 13:37:48,995 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:48,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1496681940, now seen corresponding path program 101 times [2018-07-23 13:37:48,995 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:49,252 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:49,252 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:37:49,253 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:49,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:49,253 INFO L185 omatonBuilderFactory]: Interpolants [27987#true, 27988#false, 27989#(<= ULTIMATE.start_main_~y~4 0), 27990#(<= ULTIMATE.start_main_~y~4 1), 27991#(<= ULTIMATE.start_main_~y~4 2), 27992#(<= ULTIMATE.start_main_~y~4 3), 27993#(<= ULTIMATE.start_main_~y~4 4), 27994#(<= ULTIMATE.start_main_~y~4 5), 27995#(<= ULTIMATE.start_main_~y~4 6), 27996#(<= ULTIMATE.start_main_~y~4 7), 27997#(<= ULTIMATE.start_main_~y~4 8), 27998#(<= ULTIMATE.start_main_~y~4 9), 27999#(<= ULTIMATE.start_main_~y~4 10), 28000#(<= ULTIMATE.start_main_~y~4 11), 28001#(<= ULTIMATE.start_main_~y~4 12), 28002#(<= ULTIMATE.start_main_~y~4 13), 28003#(<= ULTIMATE.start_main_~y~4 14), 28004#(<= ULTIMATE.start_main_~y~4 15), 28005#(<= ULTIMATE.start_main_~y~4 16), 28006#(<= ULTIMATE.start_main_~y~4 17), 28007#(<= ULTIMATE.start_main_~y~4 18), 28008#(<= ULTIMATE.start_main_~y~4 19), 28009#(<= ULTIMATE.start_main_~y~4 20), 28010#(<= ULTIMATE.start_main_~y~4 21), 28011#(<= ULTIMATE.start_main_~y~4 22), 28012#(<= ULTIMATE.start_main_~y~4 23), 28013#(<= ULTIMATE.start_main_~y~4 24), 28014#(<= ULTIMATE.start_main_~y~4 25), 28015#(<= ULTIMATE.start_main_~y~4 26), 28016#(<= ULTIMATE.start_main_~y~4 27), 28017#(<= ULTIMATE.start_main_~y~4 28), 28018#(<= ULTIMATE.start_main_~y~4 29), 28019#(<= ULTIMATE.start_main_~y~4 30), 28020#(<= ULTIMATE.start_main_~y~4 31), 28021#(<= ULTIMATE.start_main_~y~4 32), 28022#(<= ULTIMATE.start_main_~y~4 33), 28023#(<= ULTIMATE.start_main_~y~4 34), 28024#(<= ULTIMATE.start_main_~y~4 35), 28025#(<= ULTIMATE.start_main_~y~4 36), 28026#(<= ULTIMATE.start_main_~y~4 37), 28027#(<= ULTIMATE.start_main_~y~4 38), 28028#(<= ULTIMATE.start_main_~y~4 39), 28029#(<= ULTIMATE.start_main_~y~4 40), 28030#(<= ULTIMATE.start_main_~y~4 41), 28031#(<= ULTIMATE.start_main_~y~4 42), 28032#(<= ULTIMATE.start_main_~y~4 43), 28033#(<= ULTIMATE.start_main_~y~4 44), 28034#(<= ULTIMATE.start_main_~y~4 45), 28035#(<= ULTIMATE.start_main_~y~4 46), 28036#(<= ULTIMATE.start_main_~y~4 47), 28037#(<= ULTIMATE.start_main_~y~4 48), 28038#(<= ULTIMATE.start_main_~y~4 49), 28039#(<= ULTIMATE.start_main_~y~4 50), 28040#(<= ULTIMATE.start_main_~y~4 51), 28041#(<= ULTIMATE.start_main_~y~4 52), 28042#(<= ULTIMATE.start_main_~y~4 53), 28043#(<= ULTIMATE.start_main_~y~4 54), 28044#(<= ULTIMATE.start_main_~y~4 55), 28045#(<= ULTIMATE.start_main_~y~4 56), 28046#(<= ULTIMATE.start_main_~y~4 57), 28047#(<= ULTIMATE.start_main_~y~4 58), 28048#(<= ULTIMATE.start_main_~y~4 59), 28049#(<= ULTIMATE.start_main_~y~4 60), 28050#(<= ULTIMATE.start_main_~y~4 61), 28051#(<= ULTIMATE.start_main_~y~4 62), 28052#(<= ULTIMATE.start_main_~y~4 63), 28053#(<= ULTIMATE.start_main_~y~4 64), 28054#(<= ULTIMATE.start_main_~y~4 65), 28055#(<= ULTIMATE.start_main_~y~4 66), 28056#(<= ULTIMATE.start_main_~y~4 67), 28057#(<= ULTIMATE.start_main_~y~4 68), 28058#(<= ULTIMATE.start_main_~y~4 69), 28059#(<= ULTIMATE.start_main_~y~4 70), 28060#(<= ULTIMATE.start_main_~y~4 71), 28061#(<= ULTIMATE.start_main_~y~4 72), 28062#(<= ULTIMATE.start_main_~y~4 73), 28063#(<= ULTIMATE.start_main_~y~4 74), 28064#(<= ULTIMATE.start_main_~y~4 75), 28065#(<= ULTIMATE.start_main_~y~4 76), 28066#(<= ULTIMATE.start_main_~y~4 77), 28067#(<= ULTIMATE.start_main_~y~4 78), 28068#(<= ULTIMATE.start_main_~y~4 79), 28069#(<= ULTIMATE.start_main_~y~4 80), 28070#(<= ULTIMATE.start_main_~y~4 81), 28071#(<= ULTIMATE.start_main_~y~4 82), 28072#(<= ULTIMATE.start_main_~y~4 83), 28073#(<= ULTIMATE.start_main_~y~4 84), 28074#(<= ULTIMATE.start_main_~y~4 85), 28075#(<= ULTIMATE.start_main_~y~4 86), 28076#(<= ULTIMATE.start_main_~y~4 87), 28077#(<= ULTIMATE.start_main_~y~4 88), 28078#(<= ULTIMATE.start_main_~y~4 89), 28079#(<= ULTIMATE.start_main_~y~4 90), 28080#(<= ULTIMATE.start_main_~y~4 91), 28081#(<= ULTIMATE.start_main_~y~4 92), 28082#(<= ULTIMATE.start_main_~y~4 93), 28083#(<= ULTIMATE.start_main_~y~4 94), 28084#(<= ULTIMATE.start_main_~y~4 95), 28085#(<= ULTIMATE.start_main_~y~4 96), 28086#(<= ULTIMATE.start_main_~y~4 97), 28087#(<= ULTIMATE.start_main_~y~4 98), 28088#(<= ULTIMATE.start_main_~y~4 99), 28089#(<= ULTIMATE.start_main_~y~4 100), 28090#(<= ULTIMATE.start_main_~y~4 101)] [2018-07-23 13:37:49,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:49,253 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:37:49,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:37:49,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:37:49,255 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 104 states. [2018-07-23 13:37:49,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:49,321 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-07-23 13:37:49,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:37:49,322 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 104 [2018-07-23 13:37:49,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:49,323 INFO L225 Difference]: With dead ends: 108 [2018-07-23 13:37:49,323 INFO L226 Difference]: Without dead ends: 106 [2018-07-23 13:37:49,323 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:37:49,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-07-23 13:37:49,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-07-23 13:37:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-07-23 13:37:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2018-07-23 13:37:49,326 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 106 transitions. Word has length 104 [2018-07-23 13:37:49,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:49,327 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 106 transitions. [2018-07-23 13:37:49,327 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:37:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2018-07-23 13:37:49,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-07-23 13:37:49,327 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:49,327 INFO L357 BasicCegarLoop]: trace histogram [102, 1, 1, 1] [2018-07-23 13:37:49,328 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:49,328 INFO L82 PathProgramCache]: Analyzing trace with hash 847501923, now seen corresponding path program 102 times [2018-07-23 13:37:49,328 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:49,616 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:49,616 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:37:49,617 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:49,617 INFO L185 omatonBuilderFactory]: Interpolants [28519#true, 28520#false, 28521#(<= ULTIMATE.start_main_~y~4 0), 28522#(<= ULTIMATE.start_main_~y~4 1), 28523#(<= ULTIMATE.start_main_~y~4 2), 28524#(<= ULTIMATE.start_main_~y~4 3), 28525#(<= ULTIMATE.start_main_~y~4 4), 28526#(<= ULTIMATE.start_main_~y~4 5), 28527#(<= ULTIMATE.start_main_~y~4 6), 28528#(<= ULTIMATE.start_main_~y~4 7), 28529#(<= ULTIMATE.start_main_~y~4 8), 28530#(<= ULTIMATE.start_main_~y~4 9), 28531#(<= ULTIMATE.start_main_~y~4 10), 28532#(<= ULTIMATE.start_main_~y~4 11), 28533#(<= ULTIMATE.start_main_~y~4 12), 28534#(<= ULTIMATE.start_main_~y~4 13), 28535#(<= ULTIMATE.start_main_~y~4 14), 28536#(<= ULTIMATE.start_main_~y~4 15), 28537#(<= ULTIMATE.start_main_~y~4 16), 28538#(<= ULTIMATE.start_main_~y~4 17), 28539#(<= ULTIMATE.start_main_~y~4 18), 28540#(<= ULTIMATE.start_main_~y~4 19), 28541#(<= ULTIMATE.start_main_~y~4 20), 28542#(<= ULTIMATE.start_main_~y~4 21), 28543#(<= ULTIMATE.start_main_~y~4 22), 28544#(<= ULTIMATE.start_main_~y~4 23), 28545#(<= ULTIMATE.start_main_~y~4 24), 28546#(<= ULTIMATE.start_main_~y~4 25), 28547#(<= ULTIMATE.start_main_~y~4 26), 28548#(<= ULTIMATE.start_main_~y~4 27), 28549#(<= ULTIMATE.start_main_~y~4 28), 28550#(<= ULTIMATE.start_main_~y~4 29), 28551#(<= ULTIMATE.start_main_~y~4 30), 28552#(<= ULTIMATE.start_main_~y~4 31), 28553#(<= ULTIMATE.start_main_~y~4 32), 28554#(<= ULTIMATE.start_main_~y~4 33), 28555#(<= ULTIMATE.start_main_~y~4 34), 28556#(<= ULTIMATE.start_main_~y~4 35), 28557#(<= ULTIMATE.start_main_~y~4 36), 28558#(<= ULTIMATE.start_main_~y~4 37), 28559#(<= ULTIMATE.start_main_~y~4 38), 28560#(<= ULTIMATE.start_main_~y~4 39), 28561#(<= ULTIMATE.start_main_~y~4 40), 28562#(<= ULTIMATE.start_main_~y~4 41), 28563#(<= ULTIMATE.start_main_~y~4 42), 28564#(<= ULTIMATE.start_main_~y~4 43), 28565#(<= ULTIMATE.start_main_~y~4 44), 28566#(<= ULTIMATE.start_main_~y~4 45), 28567#(<= ULTIMATE.start_main_~y~4 46), 28568#(<= ULTIMATE.start_main_~y~4 47), 28569#(<= ULTIMATE.start_main_~y~4 48), 28570#(<= ULTIMATE.start_main_~y~4 49), 28571#(<= ULTIMATE.start_main_~y~4 50), 28572#(<= ULTIMATE.start_main_~y~4 51), 28573#(<= ULTIMATE.start_main_~y~4 52), 28574#(<= ULTIMATE.start_main_~y~4 53), 28575#(<= ULTIMATE.start_main_~y~4 54), 28576#(<= ULTIMATE.start_main_~y~4 55), 28577#(<= ULTIMATE.start_main_~y~4 56), 28578#(<= ULTIMATE.start_main_~y~4 57), 28579#(<= ULTIMATE.start_main_~y~4 58), 28580#(<= ULTIMATE.start_main_~y~4 59), 28581#(<= ULTIMATE.start_main_~y~4 60), 28582#(<= ULTIMATE.start_main_~y~4 61), 28583#(<= ULTIMATE.start_main_~y~4 62), 28584#(<= ULTIMATE.start_main_~y~4 63), 28585#(<= ULTIMATE.start_main_~y~4 64), 28586#(<= ULTIMATE.start_main_~y~4 65), 28587#(<= ULTIMATE.start_main_~y~4 66), 28588#(<= ULTIMATE.start_main_~y~4 67), 28589#(<= ULTIMATE.start_main_~y~4 68), 28590#(<= ULTIMATE.start_main_~y~4 69), 28591#(<= ULTIMATE.start_main_~y~4 70), 28592#(<= ULTIMATE.start_main_~y~4 71), 28593#(<= ULTIMATE.start_main_~y~4 72), 28594#(<= ULTIMATE.start_main_~y~4 73), 28595#(<= ULTIMATE.start_main_~y~4 74), 28596#(<= ULTIMATE.start_main_~y~4 75), 28597#(<= ULTIMATE.start_main_~y~4 76), 28598#(<= ULTIMATE.start_main_~y~4 77), 28599#(<= ULTIMATE.start_main_~y~4 78), 28600#(<= ULTIMATE.start_main_~y~4 79), 28601#(<= ULTIMATE.start_main_~y~4 80), 28602#(<= ULTIMATE.start_main_~y~4 81), 28603#(<= ULTIMATE.start_main_~y~4 82), 28604#(<= ULTIMATE.start_main_~y~4 83), 28605#(<= ULTIMATE.start_main_~y~4 84), 28606#(<= ULTIMATE.start_main_~y~4 85), 28607#(<= ULTIMATE.start_main_~y~4 86), 28608#(<= ULTIMATE.start_main_~y~4 87), 28609#(<= ULTIMATE.start_main_~y~4 88), 28610#(<= ULTIMATE.start_main_~y~4 89), 28611#(<= ULTIMATE.start_main_~y~4 90), 28612#(<= ULTIMATE.start_main_~y~4 91), 28613#(<= ULTIMATE.start_main_~y~4 92), 28614#(<= ULTIMATE.start_main_~y~4 93), 28615#(<= ULTIMATE.start_main_~y~4 94), 28616#(<= ULTIMATE.start_main_~y~4 95), 28617#(<= ULTIMATE.start_main_~y~4 96), 28618#(<= ULTIMATE.start_main_~y~4 97), 28619#(<= ULTIMATE.start_main_~y~4 98), 28620#(<= ULTIMATE.start_main_~y~4 99), 28621#(<= ULTIMATE.start_main_~y~4 100), 28622#(<= ULTIMATE.start_main_~y~4 101), 28623#(<= ULTIMATE.start_main_~y~4 102)] [2018-07-23 13:37:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:49,617 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:37:49,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:37:49,618 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:37:49,619 INFO L87 Difference]: Start difference. First operand 106 states and 106 transitions. Second operand 105 states. [2018-07-23 13:37:49,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:49,708 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:37:49,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:37:49,708 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 105 [2018-07-23 13:37:49,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:49,709 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:37:49,709 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:37:49,710 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:37:49,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:37:49,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:37:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:37:49,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:37:49,712 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 105 [2018-07-23 13:37:49,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:49,713 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:37:49,713 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:37:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:37:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:37:49,714 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:49,714 INFO L357 BasicCegarLoop]: trace histogram [103, 1, 1, 1] [2018-07-23 13:37:49,714 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:49,714 INFO L82 PathProgramCache]: Analyzing trace with hash 502757644, now seen corresponding path program 103 times [2018-07-23 13:37:49,714 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:49,984 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:49,984 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:37:49,984 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:49,985 INFO L185 omatonBuilderFactory]: Interpolants [29056#true, 29057#false, 29058#(<= ULTIMATE.start_main_~y~4 0), 29059#(<= ULTIMATE.start_main_~y~4 1), 29060#(<= ULTIMATE.start_main_~y~4 2), 29061#(<= ULTIMATE.start_main_~y~4 3), 29062#(<= ULTIMATE.start_main_~y~4 4), 29063#(<= ULTIMATE.start_main_~y~4 5), 29064#(<= ULTIMATE.start_main_~y~4 6), 29065#(<= ULTIMATE.start_main_~y~4 7), 29066#(<= ULTIMATE.start_main_~y~4 8), 29067#(<= ULTIMATE.start_main_~y~4 9), 29068#(<= ULTIMATE.start_main_~y~4 10), 29069#(<= ULTIMATE.start_main_~y~4 11), 29070#(<= ULTIMATE.start_main_~y~4 12), 29071#(<= ULTIMATE.start_main_~y~4 13), 29072#(<= ULTIMATE.start_main_~y~4 14), 29073#(<= ULTIMATE.start_main_~y~4 15), 29074#(<= ULTIMATE.start_main_~y~4 16), 29075#(<= ULTIMATE.start_main_~y~4 17), 29076#(<= ULTIMATE.start_main_~y~4 18), 29077#(<= ULTIMATE.start_main_~y~4 19), 29078#(<= ULTIMATE.start_main_~y~4 20), 29079#(<= ULTIMATE.start_main_~y~4 21), 29080#(<= ULTIMATE.start_main_~y~4 22), 29081#(<= ULTIMATE.start_main_~y~4 23), 29082#(<= ULTIMATE.start_main_~y~4 24), 29083#(<= ULTIMATE.start_main_~y~4 25), 29084#(<= ULTIMATE.start_main_~y~4 26), 29085#(<= ULTIMATE.start_main_~y~4 27), 29086#(<= ULTIMATE.start_main_~y~4 28), 29087#(<= ULTIMATE.start_main_~y~4 29), 29088#(<= ULTIMATE.start_main_~y~4 30), 29089#(<= ULTIMATE.start_main_~y~4 31), 29090#(<= ULTIMATE.start_main_~y~4 32), 29091#(<= ULTIMATE.start_main_~y~4 33), 29092#(<= ULTIMATE.start_main_~y~4 34), 29093#(<= ULTIMATE.start_main_~y~4 35), 29094#(<= ULTIMATE.start_main_~y~4 36), 29095#(<= ULTIMATE.start_main_~y~4 37), 29096#(<= ULTIMATE.start_main_~y~4 38), 29097#(<= ULTIMATE.start_main_~y~4 39), 29098#(<= ULTIMATE.start_main_~y~4 40), 29099#(<= ULTIMATE.start_main_~y~4 41), 29100#(<= ULTIMATE.start_main_~y~4 42), 29101#(<= ULTIMATE.start_main_~y~4 43), 29102#(<= ULTIMATE.start_main_~y~4 44), 29103#(<= ULTIMATE.start_main_~y~4 45), 29104#(<= ULTIMATE.start_main_~y~4 46), 29105#(<= ULTIMATE.start_main_~y~4 47), 29106#(<= ULTIMATE.start_main_~y~4 48), 29107#(<= ULTIMATE.start_main_~y~4 49), 29108#(<= ULTIMATE.start_main_~y~4 50), 29109#(<= ULTIMATE.start_main_~y~4 51), 29110#(<= ULTIMATE.start_main_~y~4 52), 29111#(<= ULTIMATE.start_main_~y~4 53), 29112#(<= ULTIMATE.start_main_~y~4 54), 29113#(<= ULTIMATE.start_main_~y~4 55), 29114#(<= ULTIMATE.start_main_~y~4 56), 29115#(<= ULTIMATE.start_main_~y~4 57), 29116#(<= ULTIMATE.start_main_~y~4 58), 29117#(<= ULTIMATE.start_main_~y~4 59), 29118#(<= ULTIMATE.start_main_~y~4 60), 29119#(<= ULTIMATE.start_main_~y~4 61), 29120#(<= ULTIMATE.start_main_~y~4 62), 29121#(<= ULTIMATE.start_main_~y~4 63), 29122#(<= ULTIMATE.start_main_~y~4 64), 29123#(<= ULTIMATE.start_main_~y~4 65), 29124#(<= ULTIMATE.start_main_~y~4 66), 29125#(<= ULTIMATE.start_main_~y~4 67), 29126#(<= ULTIMATE.start_main_~y~4 68), 29127#(<= ULTIMATE.start_main_~y~4 69), 29128#(<= ULTIMATE.start_main_~y~4 70), 29129#(<= ULTIMATE.start_main_~y~4 71), 29130#(<= ULTIMATE.start_main_~y~4 72), 29131#(<= ULTIMATE.start_main_~y~4 73), 29132#(<= ULTIMATE.start_main_~y~4 74), 29133#(<= ULTIMATE.start_main_~y~4 75), 29134#(<= ULTIMATE.start_main_~y~4 76), 29135#(<= ULTIMATE.start_main_~y~4 77), 29136#(<= ULTIMATE.start_main_~y~4 78), 29137#(<= ULTIMATE.start_main_~y~4 79), 29138#(<= ULTIMATE.start_main_~y~4 80), 29139#(<= ULTIMATE.start_main_~y~4 81), 29140#(<= ULTIMATE.start_main_~y~4 82), 29141#(<= ULTIMATE.start_main_~y~4 83), 29142#(<= ULTIMATE.start_main_~y~4 84), 29143#(<= ULTIMATE.start_main_~y~4 85), 29144#(<= ULTIMATE.start_main_~y~4 86), 29145#(<= ULTIMATE.start_main_~y~4 87), 29146#(<= ULTIMATE.start_main_~y~4 88), 29147#(<= ULTIMATE.start_main_~y~4 89), 29148#(<= ULTIMATE.start_main_~y~4 90), 29149#(<= ULTIMATE.start_main_~y~4 91), 29150#(<= ULTIMATE.start_main_~y~4 92), 29151#(<= ULTIMATE.start_main_~y~4 93), 29152#(<= ULTIMATE.start_main_~y~4 94), 29153#(<= ULTIMATE.start_main_~y~4 95), 29154#(<= ULTIMATE.start_main_~y~4 96), 29155#(<= ULTIMATE.start_main_~y~4 97), 29156#(<= ULTIMATE.start_main_~y~4 98), 29157#(<= ULTIMATE.start_main_~y~4 99), 29158#(<= ULTIMATE.start_main_~y~4 100), 29159#(<= ULTIMATE.start_main_~y~4 101), 29160#(<= ULTIMATE.start_main_~y~4 102), 29161#(<= ULTIMATE.start_main_~y~4 103)] [2018-07-23 13:37:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:49,985 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:37:49,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:37:49,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:37:49,986 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 106 states. [2018-07-23 13:37:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:50,102 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-07-23 13:37:50,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:37:50,102 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 106 [2018-07-23 13:37:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:50,103 INFO L225 Difference]: With dead ends: 110 [2018-07-23 13:37:50,103 INFO L226 Difference]: Without dead ends: 108 [2018-07-23 13:37:50,104 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:37:50,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-07-23 13:37:50,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-07-23 13:37:50,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-23 13:37:50,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-07-23 13:37:50,106 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 106 [2018-07-23 13:37:50,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:50,106 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-07-23 13:37:50,107 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:37:50,107 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-07-23 13:37:50,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-23 13:37:50,107 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:50,107 INFO L357 BasicCegarLoop]: trace histogram [104, 1, 1, 1] [2018-07-23 13:37:50,107 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:50,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1594380413, now seen corresponding path program 104 times [2018-07-23 13:37:50,107 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:50,424 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:50,425 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:37:50,425 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:50,425 INFO L185 omatonBuilderFactory]: Interpolants [29696#(<= ULTIMATE.start_main_~y~4 96), 29697#(<= ULTIMATE.start_main_~y~4 97), 29698#(<= ULTIMATE.start_main_~y~4 98), 29699#(<= ULTIMATE.start_main_~y~4 99), 29700#(<= ULTIMATE.start_main_~y~4 100), 29701#(<= ULTIMATE.start_main_~y~4 101), 29702#(<= ULTIMATE.start_main_~y~4 102), 29703#(<= ULTIMATE.start_main_~y~4 103), 29704#(<= ULTIMATE.start_main_~y~4 104), 29598#true, 29599#false, 29600#(<= ULTIMATE.start_main_~y~4 0), 29601#(<= ULTIMATE.start_main_~y~4 1), 29602#(<= ULTIMATE.start_main_~y~4 2), 29603#(<= ULTIMATE.start_main_~y~4 3), 29604#(<= ULTIMATE.start_main_~y~4 4), 29605#(<= ULTIMATE.start_main_~y~4 5), 29606#(<= ULTIMATE.start_main_~y~4 6), 29607#(<= ULTIMATE.start_main_~y~4 7), 29608#(<= ULTIMATE.start_main_~y~4 8), 29609#(<= ULTIMATE.start_main_~y~4 9), 29610#(<= ULTIMATE.start_main_~y~4 10), 29611#(<= ULTIMATE.start_main_~y~4 11), 29612#(<= ULTIMATE.start_main_~y~4 12), 29613#(<= ULTIMATE.start_main_~y~4 13), 29614#(<= ULTIMATE.start_main_~y~4 14), 29615#(<= ULTIMATE.start_main_~y~4 15), 29616#(<= ULTIMATE.start_main_~y~4 16), 29617#(<= ULTIMATE.start_main_~y~4 17), 29618#(<= ULTIMATE.start_main_~y~4 18), 29619#(<= ULTIMATE.start_main_~y~4 19), 29620#(<= ULTIMATE.start_main_~y~4 20), 29621#(<= ULTIMATE.start_main_~y~4 21), 29622#(<= ULTIMATE.start_main_~y~4 22), 29623#(<= ULTIMATE.start_main_~y~4 23), 29624#(<= ULTIMATE.start_main_~y~4 24), 29625#(<= ULTIMATE.start_main_~y~4 25), 29626#(<= ULTIMATE.start_main_~y~4 26), 29627#(<= ULTIMATE.start_main_~y~4 27), 29628#(<= ULTIMATE.start_main_~y~4 28), 29629#(<= ULTIMATE.start_main_~y~4 29), 29630#(<= ULTIMATE.start_main_~y~4 30), 29631#(<= ULTIMATE.start_main_~y~4 31), 29632#(<= ULTIMATE.start_main_~y~4 32), 29633#(<= ULTIMATE.start_main_~y~4 33), 29634#(<= ULTIMATE.start_main_~y~4 34), 29635#(<= ULTIMATE.start_main_~y~4 35), 29636#(<= ULTIMATE.start_main_~y~4 36), 29637#(<= ULTIMATE.start_main_~y~4 37), 29638#(<= ULTIMATE.start_main_~y~4 38), 29639#(<= ULTIMATE.start_main_~y~4 39), 29640#(<= ULTIMATE.start_main_~y~4 40), 29641#(<= ULTIMATE.start_main_~y~4 41), 29642#(<= ULTIMATE.start_main_~y~4 42), 29643#(<= ULTIMATE.start_main_~y~4 43), 29644#(<= ULTIMATE.start_main_~y~4 44), 29645#(<= ULTIMATE.start_main_~y~4 45), 29646#(<= ULTIMATE.start_main_~y~4 46), 29647#(<= ULTIMATE.start_main_~y~4 47), 29648#(<= ULTIMATE.start_main_~y~4 48), 29649#(<= ULTIMATE.start_main_~y~4 49), 29650#(<= ULTIMATE.start_main_~y~4 50), 29651#(<= ULTIMATE.start_main_~y~4 51), 29652#(<= ULTIMATE.start_main_~y~4 52), 29653#(<= ULTIMATE.start_main_~y~4 53), 29654#(<= ULTIMATE.start_main_~y~4 54), 29655#(<= ULTIMATE.start_main_~y~4 55), 29656#(<= ULTIMATE.start_main_~y~4 56), 29657#(<= ULTIMATE.start_main_~y~4 57), 29658#(<= ULTIMATE.start_main_~y~4 58), 29659#(<= ULTIMATE.start_main_~y~4 59), 29660#(<= ULTIMATE.start_main_~y~4 60), 29661#(<= ULTIMATE.start_main_~y~4 61), 29662#(<= ULTIMATE.start_main_~y~4 62), 29663#(<= ULTIMATE.start_main_~y~4 63), 29664#(<= ULTIMATE.start_main_~y~4 64), 29665#(<= ULTIMATE.start_main_~y~4 65), 29666#(<= ULTIMATE.start_main_~y~4 66), 29667#(<= ULTIMATE.start_main_~y~4 67), 29668#(<= ULTIMATE.start_main_~y~4 68), 29669#(<= ULTIMATE.start_main_~y~4 69), 29670#(<= ULTIMATE.start_main_~y~4 70), 29671#(<= ULTIMATE.start_main_~y~4 71), 29672#(<= ULTIMATE.start_main_~y~4 72), 29673#(<= ULTIMATE.start_main_~y~4 73), 29674#(<= ULTIMATE.start_main_~y~4 74), 29675#(<= ULTIMATE.start_main_~y~4 75), 29676#(<= ULTIMATE.start_main_~y~4 76), 29677#(<= ULTIMATE.start_main_~y~4 77), 29678#(<= ULTIMATE.start_main_~y~4 78), 29679#(<= ULTIMATE.start_main_~y~4 79), 29680#(<= ULTIMATE.start_main_~y~4 80), 29681#(<= ULTIMATE.start_main_~y~4 81), 29682#(<= ULTIMATE.start_main_~y~4 82), 29683#(<= ULTIMATE.start_main_~y~4 83), 29684#(<= ULTIMATE.start_main_~y~4 84), 29685#(<= ULTIMATE.start_main_~y~4 85), 29686#(<= ULTIMATE.start_main_~y~4 86), 29687#(<= ULTIMATE.start_main_~y~4 87), 29688#(<= ULTIMATE.start_main_~y~4 88), 29689#(<= ULTIMATE.start_main_~y~4 89), 29690#(<= ULTIMATE.start_main_~y~4 90), 29691#(<= ULTIMATE.start_main_~y~4 91), 29692#(<= ULTIMATE.start_main_~y~4 92), 29693#(<= ULTIMATE.start_main_~y~4 93), 29694#(<= ULTIMATE.start_main_~y~4 94), 29695#(<= ULTIMATE.start_main_~y~4 95)] [2018-07-23 13:37:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:50,426 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:37:50,427 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:37:50,427 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:37:50,427 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 107 states. [2018-07-23 13:37:50,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:50,517 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:37:50,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:37:50,517 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 107 [2018-07-23 13:37:50,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:50,517 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:37:50,517 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:37:50,518 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:37:50,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:37:50,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:37:50,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:37:50,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:37:50,521 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 107 [2018-07-23 13:37:50,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:50,521 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:37:50,521 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:37:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:37:50,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:37:50,522 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:50,522 INFO L357 BasicCegarLoop]: trace histogram [105, 1, 1, 1] [2018-07-23 13:37:50,522 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:50,522 INFO L82 PathProgramCache]: Analyzing trace with hash 2113816556, now seen corresponding path program 105 times [2018-07-23 13:37:50,522 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:50,790 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:50,790 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:37:50,790 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:50,791 INFO L185 omatonBuilderFactory]: Interpolants [30208#(<= ULTIMATE.start_main_~y~4 61), 30209#(<= ULTIMATE.start_main_~y~4 62), 30210#(<= ULTIMATE.start_main_~y~4 63), 30211#(<= ULTIMATE.start_main_~y~4 64), 30212#(<= ULTIMATE.start_main_~y~4 65), 30213#(<= ULTIMATE.start_main_~y~4 66), 30214#(<= ULTIMATE.start_main_~y~4 67), 30215#(<= ULTIMATE.start_main_~y~4 68), 30216#(<= ULTIMATE.start_main_~y~4 69), 30217#(<= ULTIMATE.start_main_~y~4 70), 30218#(<= ULTIMATE.start_main_~y~4 71), 30219#(<= ULTIMATE.start_main_~y~4 72), 30220#(<= ULTIMATE.start_main_~y~4 73), 30221#(<= ULTIMATE.start_main_~y~4 74), 30222#(<= ULTIMATE.start_main_~y~4 75), 30223#(<= ULTIMATE.start_main_~y~4 76), 30224#(<= ULTIMATE.start_main_~y~4 77), 30225#(<= ULTIMATE.start_main_~y~4 78), 30226#(<= ULTIMATE.start_main_~y~4 79), 30227#(<= ULTIMATE.start_main_~y~4 80), 30228#(<= ULTIMATE.start_main_~y~4 81), 30229#(<= ULTIMATE.start_main_~y~4 82), 30230#(<= ULTIMATE.start_main_~y~4 83), 30231#(<= ULTIMATE.start_main_~y~4 84), 30232#(<= ULTIMATE.start_main_~y~4 85), 30233#(<= ULTIMATE.start_main_~y~4 86), 30234#(<= ULTIMATE.start_main_~y~4 87), 30235#(<= ULTIMATE.start_main_~y~4 88), 30236#(<= ULTIMATE.start_main_~y~4 89), 30237#(<= ULTIMATE.start_main_~y~4 90), 30238#(<= ULTIMATE.start_main_~y~4 91), 30239#(<= ULTIMATE.start_main_~y~4 92), 30240#(<= ULTIMATE.start_main_~y~4 93), 30241#(<= ULTIMATE.start_main_~y~4 94), 30242#(<= ULTIMATE.start_main_~y~4 95), 30243#(<= ULTIMATE.start_main_~y~4 96), 30244#(<= ULTIMATE.start_main_~y~4 97), 30245#(<= ULTIMATE.start_main_~y~4 98), 30246#(<= ULTIMATE.start_main_~y~4 99), 30247#(<= ULTIMATE.start_main_~y~4 100), 30248#(<= ULTIMATE.start_main_~y~4 101), 30249#(<= ULTIMATE.start_main_~y~4 102), 30250#(<= ULTIMATE.start_main_~y~4 103), 30251#(<= ULTIMATE.start_main_~y~4 104), 30252#(<= ULTIMATE.start_main_~y~4 105), 30145#true, 30146#false, 30147#(<= ULTIMATE.start_main_~y~4 0), 30148#(<= ULTIMATE.start_main_~y~4 1), 30149#(<= ULTIMATE.start_main_~y~4 2), 30150#(<= ULTIMATE.start_main_~y~4 3), 30151#(<= ULTIMATE.start_main_~y~4 4), 30152#(<= ULTIMATE.start_main_~y~4 5), 30153#(<= ULTIMATE.start_main_~y~4 6), 30154#(<= ULTIMATE.start_main_~y~4 7), 30155#(<= ULTIMATE.start_main_~y~4 8), 30156#(<= ULTIMATE.start_main_~y~4 9), 30157#(<= ULTIMATE.start_main_~y~4 10), 30158#(<= ULTIMATE.start_main_~y~4 11), 30159#(<= ULTIMATE.start_main_~y~4 12), 30160#(<= ULTIMATE.start_main_~y~4 13), 30161#(<= ULTIMATE.start_main_~y~4 14), 30162#(<= ULTIMATE.start_main_~y~4 15), 30163#(<= ULTIMATE.start_main_~y~4 16), 30164#(<= ULTIMATE.start_main_~y~4 17), 30165#(<= ULTIMATE.start_main_~y~4 18), 30166#(<= ULTIMATE.start_main_~y~4 19), 30167#(<= ULTIMATE.start_main_~y~4 20), 30168#(<= ULTIMATE.start_main_~y~4 21), 30169#(<= ULTIMATE.start_main_~y~4 22), 30170#(<= ULTIMATE.start_main_~y~4 23), 30171#(<= ULTIMATE.start_main_~y~4 24), 30172#(<= ULTIMATE.start_main_~y~4 25), 30173#(<= ULTIMATE.start_main_~y~4 26), 30174#(<= ULTIMATE.start_main_~y~4 27), 30175#(<= ULTIMATE.start_main_~y~4 28), 30176#(<= ULTIMATE.start_main_~y~4 29), 30177#(<= ULTIMATE.start_main_~y~4 30), 30178#(<= ULTIMATE.start_main_~y~4 31), 30179#(<= ULTIMATE.start_main_~y~4 32), 30180#(<= ULTIMATE.start_main_~y~4 33), 30181#(<= ULTIMATE.start_main_~y~4 34), 30182#(<= ULTIMATE.start_main_~y~4 35), 30183#(<= ULTIMATE.start_main_~y~4 36), 30184#(<= ULTIMATE.start_main_~y~4 37), 30185#(<= ULTIMATE.start_main_~y~4 38), 30186#(<= ULTIMATE.start_main_~y~4 39), 30187#(<= ULTIMATE.start_main_~y~4 40), 30188#(<= ULTIMATE.start_main_~y~4 41), 30189#(<= ULTIMATE.start_main_~y~4 42), 30190#(<= ULTIMATE.start_main_~y~4 43), 30191#(<= ULTIMATE.start_main_~y~4 44), 30192#(<= ULTIMATE.start_main_~y~4 45), 30193#(<= ULTIMATE.start_main_~y~4 46), 30194#(<= ULTIMATE.start_main_~y~4 47), 30195#(<= ULTIMATE.start_main_~y~4 48), 30196#(<= ULTIMATE.start_main_~y~4 49), 30197#(<= ULTIMATE.start_main_~y~4 50), 30198#(<= ULTIMATE.start_main_~y~4 51), 30199#(<= ULTIMATE.start_main_~y~4 52), 30200#(<= ULTIMATE.start_main_~y~4 53), 30201#(<= ULTIMATE.start_main_~y~4 54), 30202#(<= ULTIMATE.start_main_~y~4 55), 30203#(<= ULTIMATE.start_main_~y~4 56), 30204#(<= ULTIMATE.start_main_~y~4 57), 30205#(<= ULTIMATE.start_main_~y~4 58), 30206#(<= ULTIMATE.start_main_~y~4 59), 30207#(<= ULTIMATE.start_main_~y~4 60)] [2018-07-23 13:37:50,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:50,791 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:37:50,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:37:50,792 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:37:50,792 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 108 states. [2018-07-23 13:37:50,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:50,843 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-07-23 13:37:50,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:37:50,843 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 108 [2018-07-23 13:37:50,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:50,844 INFO L225 Difference]: With dead ends: 112 [2018-07-23 13:37:50,844 INFO L226 Difference]: Without dead ends: 110 [2018-07-23 13:37:50,845 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:37:50,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-07-23 13:37:50,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-07-23 13:37:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-23 13:37:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2018-07-23 13:37:50,847 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 108 [2018-07-23 13:37:50,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:50,848 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2018-07-23 13:37:50,848 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:37:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2018-07-23 13:37:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-07-23 13:37:50,848 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:50,848 INFO L357 BasicCegarLoop]: trace histogram [106, 1, 1, 1] [2018-07-23 13:37:50,849 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:50,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1103805603, now seen corresponding path program 106 times [2018-07-23 13:37:50,849 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:51,128 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:51,128 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:37:51,128 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:51,128 INFO L185 omatonBuilderFactory]: Interpolants [30720#(<= ULTIMATE.start_main_~y~4 21), 30721#(<= ULTIMATE.start_main_~y~4 22), 30722#(<= ULTIMATE.start_main_~y~4 23), 30723#(<= ULTIMATE.start_main_~y~4 24), 30724#(<= ULTIMATE.start_main_~y~4 25), 30725#(<= ULTIMATE.start_main_~y~4 26), 30726#(<= ULTIMATE.start_main_~y~4 27), 30727#(<= ULTIMATE.start_main_~y~4 28), 30728#(<= ULTIMATE.start_main_~y~4 29), 30729#(<= ULTIMATE.start_main_~y~4 30), 30730#(<= ULTIMATE.start_main_~y~4 31), 30731#(<= ULTIMATE.start_main_~y~4 32), 30732#(<= ULTIMATE.start_main_~y~4 33), 30733#(<= ULTIMATE.start_main_~y~4 34), 30734#(<= ULTIMATE.start_main_~y~4 35), 30735#(<= ULTIMATE.start_main_~y~4 36), 30736#(<= ULTIMATE.start_main_~y~4 37), 30737#(<= ULTIMATE.start_main_~y~4 38), 30738#(<= ULTIMATE.start_main_~y~4 39), 30739#(<= ULTIMATE.start_main_~y~4 40), 30740#(<= ULTIMATE.start_main_~y~4 41), 30741#(<= ULTIMATE.start_main_~y~4 42), 30742#(<= ULTIMATE.start_main_~y~4 43), 30743#(<= ULTIMATE.start_main_~y~4 44), 30744#(<= ULTIMATE.start_main_~y~4 45), 30745#(<= ULTIMATE.start_main_~y~4 46), 30746#(<= ULTIMATE.start_main_~y~4 47), 30747#(<= ULTIMATE.start_main_~y~4 48), 30748#(<= ULTIMATE.start_main_~y~4 49), 30749#(<= ULTIMATE.start_main_~y~4 50), 30750#(<= ULTIMATE.start_main_~y~4 51), 30751#(<= ULTIMATE.start_main_~y~4 52), 30752#(<= ULTIMATE.start_main_~y~4 53), 30753#(<= ULTIMATE.start_main_~y~4 54), 30754#(<= ULTIMATE.start_main_~y~4 55), 30755#(<= ULTIMATE.start_main_~y~4 56), 30756#(<= ULTIMATE.start_main_~y~4 57), 30757#(<= ULTIMATE.start_main_~y~4 58), 30758#(<= ULTIMATE.start_main_~y~4 59), 30759#(<= ULTIMATE.start_main_~y~4 60), 30760#(<= ULTIMATE.start_main_~y~4 61), 30761#(<= ULTIMATE.start_main_~y~4 62), 30762#(<= ULTIMATE.start_main_~y~4 63), 30763#(<= ULTIMATE.start_main_~y~4 64), 30764#(<= ULTIMATE.start_main_~y~4 65), 30765#(<= ULTIMATE.start_main_~y~4 66), 30766#(<= ULTIMATE.start_main_~y~4 67), 30767#(<= ULTIMATE.start_main_~y~4 68), 30768#(<= ULTIMATE.start_main_~y~4 69), 30769#(<= ULTIMATE.start_main_~y~4 70), 30770#(<= ULTIMATE.start_main_~y~4 71), 30771#(<= ULTIMATE.start_main_~y~4 72), 30772#(<= ULTIMATE.start_main_~y~4 73), 30773#(<= ULTIMATE.start_main_~y~4 74), 30774#(<= ULTIMATE.start_main_~y~4 75), 30775#(<= ULTIMATE.start_main_~y~4 76), 30776#(<= ULTIMATE.start_main_~y~4 77), 30777#(<= ULTIMATE.start_main_~y~4 78), 30778#(<= ULTIMATE.start_main_~y~4 79), 30779#(<= ULTIMATE.start_main_~y~4 80), 30780#(<= ULTIMATE.start_main_~y~4 81), 30781#(<= ULTIMATE.start_main_~y~4 82), 30782#(<= ULTIMATE.start_main_~y~4 83), 30783#(<= ULTIMATE.start_main_~y~4 84), 30784#(<= ULTIMATE.start_main_~y~4 85), 30785#(<= ULTIMATE.start_main_~y~4 86), 30786#(<= ULTIMATE.start_main_~y~4 87), 30787#(<= ULTIMATE.start_main_~y~4 88), 30788#(<= ULTIMATE.start_main_~y~4 89), 30789#(<= ULTIMATE.start_main_~y~4 90), 30790#(<= ULTIMATE.start_main_~y~4 91), 30791#(<= ULTIMATE.start_main_~y~4 92), 30792#(<= ULTIMATE.start_main_~y~4 93), 30793#(<= ULTIMATE.start_main_~y~4 94), 30794#(<= ULTIMATE.start_main_~y~4 95), 30795#(<= ULTIMATE.start_main_~y~4 96), 30796#(<= ULTIMATE.start_main_~y~4 97), 30797#(<= ULTIMATE.start_main_~y~4 98), 30798#(<= ULTIMATE.start_main_~y~4 99), 30799#(<= ULTIMATE.start_main_~y~4 100), 30800#(<= ULTIMATE.start_main_~y~4 101), 30801#(<= ULTIMATE.start_main_~y~4 102), 30802#(<= ULTIMATE.start_main_~y~4 103), 30803#(<= ULTIMATE.start_main_~y~4 104), 30804#(<= ULTIMATE.start_main_~y~4 105), 30805#(<= ULTIMATE.start_main_~y~4 106), 30697#true, 30698#false, 30699#(<= ULTIMATE.start_main_~y~4 0), 30700#(<= ULTIMATE.start_main_~y~4 1), 30701#(<= ULTIMATE.start_main_~y~4 2), 30702#(<= ULTIMATE.start_main_~y~4 3), 30703#(<= ULTIMATE.start_main_~y~4 4), 30704#(<= ULTIMATE.start_main_~y~4 5), 30705#(<= ULTIMATE.start_main_~y~4 6), 30706#(<= ULTIMATE.start_main_~y~4 7), 30707#(<= ULTIMATE.start_main_~y~4 8), 30708#(<= ULTIMATE.start_main_~y~4 9), 30709#(<= ULTIMATE.start_main_~y~4 10), 30710#(<= ULTIMATE.start_main_~y~4 11), 30711#(<= ULTIMATE.start_main_~y~4 12), 30712#(<= ULTIMATE.start_main_~y~4 13), 30713#(<= ULTIMATE.start_main_~y~4 14), 30714#(<= ULTIMATE.start_main_~y~4 15), 30715#(<= ULTIMATE.start_main_~y~4 16), 30716#(<= ULTIMATE.start_main_~y~4 17), 30717#(<= ULTIMATE.start_main_~y~4 18), 30718#(<= ULTIMATE.start_main_~y~4 19), 30719#(<= ULTIMATE.start_main_~y~4 20)] [2018-07-23 13:37:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:51,129 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:37:51,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:37:51,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:37:51,130 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 109 states. [2018-07-23 13:37:51,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:51,240 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:37:51,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:37:51,241 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 109 [2018-07-23 13:37:51,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:51,241 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:37:51,241 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:37:51,242 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:37:51,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:37:51,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:37:51,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:37:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:37:51,245 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 109 [2018-07-23 13:37:51,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:51,245 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:37:51,245 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:37:51,246 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:37:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:37:51,246 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:51,246 INFO L357 BasicCegarLoop]: trace histogram [107, 1, 1, 1] [2018-07-23 13:37:51,246 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:51,247 INFO L82 PathProgramCache]: Analyzing trace with hash -141762868, now seen corresponding path program 107 times [2018-07-23 13:37:51,247 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:51,549 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:51,550 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:37:51,550 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:51,550 INFO L185 omatonBuilderFactory]: Interpolants [31254#true, 31255#false, 31256#(<= ULTIMATE.start_main_~y~4 0), 31257#(<= ULTIMATE.start_main_~y~4 1), 31258#(<= ULTIMATE.start_main_~y~4 2), 31259#(<= ULTIMATE.start_main_~y~4 3), 31260#(<= ULTIMATE.start_main_~y~4 4), 31261#(<= ULTIMATE.start_main_~y~4 5), 31262#(<= ULTIMATE.start_main_~y~4 6), 31263#(<= ULTIMATE.start_main_~y~4 7), 31264#(<= ULTIMATE.start_main_~y~4 8), 31265#(<= ULTIMATE.start_main_~y~4 9), 31266#(<= ULTIMATE.start_main_~y~4 10), 31267#(<= ULTIMATE.start_main_~y~4 11), 31268#(<= ULTIMATE.start_main_~y~4 12), 31269#(<= ULTIMATE.start_main_~y~4 13), 31270#(<= ULTIMATE.start_main_~y~4 14), 31271#(<= ULTIMATE.start_main_~y~4 15), 31272#(<= ULTIMATE.start_main_~y~4 16), 31273#(<= ULTIMATE.start_main_~y~4 17), 31274#(<= ULTIMATE.start_main_~y~4 18), 31275#(<= ULTIMATE.start_main_~y~4 19), 31276#(<= ULTIMATE.start_main_~y~4 20), 31277#(<= ULTIMATE.start_main_~y~4 21), 31278#(<= ULTIMATE.start_main_~y~4 22), 31279#(<= ULTIMATE.start_main_~y~4 23), 31280#(<= ULTIMATE.start_main_~y~4 24), 31281#(<= ULTIMATE.start_main_~y~4 25), 31282#(<= ULTIMATE.start_main_~y~4 26), 31283#(<= ULTIMATE.start_main_~y~4 27), 31284#(<= ULTIMATE.start_main_~y~4 28), 31285#(<= ULTIMATE.start_main_~y~4 29), 31286#(<= ULTIMATE.start_main_~y~4 30), 31287#(<= ULTIMATE.start_main_~y~4 31), 31288#(<= ULTIMATE.start_main_~y~4 32), 31289#(<= ULTIMATE.start_main_~y~4 33), 31290#(<= ULTIMATE.start_main_~y~4 34), 31291#(<= ULTIMATE.start_main_~y~4 35), 31292#(<= ULTIMATE.start_main_~y~4 36), 31293#(<= ULTIMATE.start_main_~y~4 37), 31294#(<= ULTIMATE.start_main_~y~4 38), 31295#(<= ULTIMATE.start_main_~y~4 39), 31296#(<= ULTIMATE.start_main_~y~4 40), 31297#(<= ULTIMATE.start_main_~y~4 41), 31298#(<= ULTIMATE.start_main_~y~4 42), 31299#(<= ULTIMATE.start_main_~y~4 43), 31300#(<= ULTIMATE.start_main_~y~4 44), 31301#(<= ULTIMATE.start_main_~y~4 45), 31302#(<= ULTIMATE.start_main_~y~4 46), 31303#(<= ULTIMATE.start_main_~y~4 47), 31304#(<= ULTIMATE.start_main_~y~4 48), 31305#(<= ULTIMATE.start_main_~y~4 49), 31306#(<= ULTIMATE.start_main_~y~4 50), 31307#(<= ULTIMATE.start_main_~y~4 51), 31308#(<= ULTIMATE.start_main_~y~4 52), 31309#(<= ULTIMATE.start_main_~y~4 53), 31310#(<= ULTIMATE.start_main_~y~4 54), 31311#(<= ULTIMATE.start_main_~y~4 55), 31312#(<= ULTIMATE.start_main_~y~4 56), 31313#(<= ULTIMATE.start_main_~y~4 57), 31314#(<= ULTIMATE.start_main_~y~4 58), 31315#(<= ULTIMATE.start_main_~y~4 59), 31316#(<= ULTIMATE.start_main_~y~4 60), 31317#(<= ULTIMATE.start_main_~y~4 61), 31318#(<= ULTIMATE.start_main_~y~4 62), 31319#(<= ULTIMATE.start_main_~y~4 63), 31320#(<= ULTIMATE.start_main_~y~4 64), 31321#(<= ULTIMATE.start_main_~y~4 65), 31322#(<= ULTIMATE.start_main_~y~4 66), 31323#(<= ULTIMATE.start_main_~y~4 67), 31324#(<= ULTIMATE.start_main_~y~4 68), 31325#(<= ULTIMATE.start_main_~y~4 69), 31326#(<= ULTIMATE.start_main_~y~4 70), 31327#(<= ULTIMATE.start_main_~y~4 71), 31328#(<= ULTIMATE.start_main_~y~4 72), 31329#(<= ULTIMATE.start_main_~y~4 73), 31330#(<= ULTIMATE.start_main_~y~4 74), 31331#(<= ULTIMATE.start_main_~y~4 75), 31332#(<= ULTIMATE.start_main_~y~4 76), 31333#(<= ULTIMATE.start_main_~y~4 77), 31334#(<= ULTIMATE.start_main_~y~4 78), 31335#(<= ULTIMATE.start_main_~y~4 79), 31336#(<= ULTIMATE.start_main_~y~4 80), 31337#(<= ULTIMATE.start_main_~y~4 81), 31338#(<= ULTIMATE.start_main_~y~4 82), 31339#(<= ULTIMATE.start_main_~y~4 83), 31340#(<= ULTIMATE.start_main_~y~4 84), 31341#(<= ULTIMATE.start_main_~y~4 85), 31342#(<= ULTIMATE.start_main_~y~4 86), 31343#(<= ULTIMATE.start_main_~y~4 87), 31344#(<= ULTIMATE.start_main_~y~4 88), 31345#(<= ULTIMATE.start_main_~y~4 89), 31346#(<= ULTIMATE.start_main_~y~4 90), 31347#(<= ULTIMATE.start_main_~y~4 91), 31348#(<= ULTIMATE.start_main_~y~4 92), 31349#(<= ULTIMATE.start_main_~y~4 93), 31350#(<= ULTIMATE.start_main_~y~4 94), 31351#(<= ULTIMATE.start_main_~y~4 95), 31352#(<= ULTIMATE.start_main_~y~4 96), 31353#(<= ULTIMATE.start_main_~y~4 97), 31354#(<= ULTIMATE.start_main_~y~4 98), 31355#(<= ULTIMATE.start_main_~y~4 99), 31356#(<= ULTIMATE.start_main_~y~4 100), 31357#(<= ULTIMATE.start_main_~y~4 101), 31358#(<= ULTIMATE.start_main_~y~4 102), 31359#(<= ULTIMATE.start_main_~y~4 103), 31360#(<= ULTIMATE.start_main_~y~4 104), 31361#(<= ULTIMATE.start_main_~y~4 105), 31362#(<= ULTIMATE.start_main_~y~4 106), 31363#(<= ULTIMATE.start_main_~y~4 107)] [2018-07-23 13:37:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:51,551 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:37:51,552 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:37:51,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:37:51,553 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 110 states. [2018-07-23 13:37:51,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:51,688 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-07-23 13:37:51,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:37:51,689 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 110 [2018-07-23 13:37:51,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:51,690 INFO L225 Difference]: With dead ends: 114 [2018-07-23 13:37:51,690 INFO L226 Difference]: Without dead ends: 112 [2018-07-23 13:37:51,691 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:37:51,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-07-23 13:37:51,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-07-23 13:37:51,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-07-23 13:37:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-07-23 13:37:51,695 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 110 [2018-07-23 13:37:51,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:51,696 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-07-23 13:37:51,696 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:37:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-07-23 13:37:51,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-07-23 13:37:51,697 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:51,697 INFO L357 BasicCegarLoop]: trace histogram [108, 1, 1, 1] [2018-07-23 13:37:51,697 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:51,697 INFO L82 PathProgramCache]: Analyzing trace with hash -99679805, now seen corresponding path program 108 times [2018-07-23 13:37:51,697 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:52,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:52,093 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:52,093 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:37:52,093 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:52,093 INFO L185 omatonBuilderFactory]: Interpolants [31816#true, 31817#false, 31818#(<= ULTIMATE.start_main_~y~4 0), 31819#(<= ULTIMATE.start_main_~y~4 1), 31820#(<= ULTIMATE.start_main_~y~4 2), 31821#(<= ULTIMATE.start_main_~y~4 3), 31822#(<= ULTIMATE.start_main_~y~4 4), 31823#(<= ULTIMATE.start_main_~y~4 5), 31824#(<= ULTIMATE.start_main_~y~4 6), 31825#(<= ULTIMATE.start_main_~y~4 7), 31826#(<= ULTIMATE.start_main_~y~4 8), 31827#(<= ULTIMATE.start_main_~y~4 9), 31828#(<= ULTIMATE.start_main_~y~4 10), 31829#(<= ULTIMATE.start_main_~y~4 11), 31830#(<= ULTIMATE.start_main_~y~4 12), 31831#(<= ULTIMATE.start_main_~y~4 13), 31832#(<= ULTIMATE.start_main_~y~4 14), 31833#(<= ULTIMATE.start_main_~y~4 15), 31834#(<= ULTIMATE.start_main_~y~4 16), 31835#(<= ULTIMATE.start_main_~y~4 17), 31836#(<= ULTIMATE.start_main_~y~4 18), 31837#(<= ULTIMATE.start_main_~y~4 19), 31838#(<= ULTIMATE.start_main_~y~4 20), 31839#(<= ULTIMATE.start_main_~y~4 21), 31840#(<= ULTIMATE.start_main_~y~4 22), 31841#(<= ULTIMATE.start_main_~y~4 23), 31842#(<= ULTIMATE.start_main_~y~4 24), 31843#(<= ULTIMATE.start_main_~y~4 25), 31844#(<= ULTIMATE.start_main_~y~4 26), 31845#(<= ULTIMATE.start_main_~y~4 27), 31846#(<= ULTIMATE.start_main_~y~4 28), 31847#(<= ULTIMATE.start_main_~y~4 29), 31848#(<= ULTIMATE.start_main_~y~4 30), 31849#(<= ULTIMATE.start_main_~y~4 31), 31850#(<= ULTIMATE.start_main_~y~4 32), 31851#(<= ULTIMATE.start_main_~y~4 33), 31852#(<= ULTIMATE.start_main_~y~4 34), 31853#(<= ULTIMATE.start_main_~y~4 35), 31854#(<= ULTIMATE.start_main_~y~4 36), 31855#(<= ULTIMATE.start_main_~y~4 37), 31856#(<= ULTIMATE.start_main_~y~4 38), 31857#(<= ULTIMATE.start_main_~y~4 39), 31858#(<= ULTIMATE.start_main_~y~4 40), 31859#(<= ULTIMATE.start_main_~y~4 41), 31860#(<= ULTIMATE.start_main_~y~4 42), 31861#(<= ULTIMATE.start_main_~y~4 43), 31862#(<= ULTIMATE.start_main_~y~4 44), 31863#(<= ULTIMATE.start_main_~y~4 45), 31864#(<= ULTIMATE.start_main_~y~4 46), 31865#(<= ULTIMATE.start_main_~y~4 47), 31866#(<= ULTIMATE.start_main_~y~4 48), 31867#(<= ULTIMATE.start_main_~y~4 49), 31868#(<= ULTIMATE.start_main_~y~4 50), 31869#(<= ULTIMATE.start_main_~y~4 51), 31870#(<= ULTIMATE.start_main_~y~4 52), 31871#(<= ULTIMATE.start_main_~y~4 53), 31872#(<= ULTIMATE.start_main_~y~4 54), 31873#(<= ULTIMATE.start_main_~y~4 55), 31874#(<= ULTIMATE.start_main_~y~4 56), 31875#(<= ULTIMATE.start_main_~y~4 57), 31876#(<= ULTIMATE.start_main_~y~4 58), 31877#(<= ULTIMATE.start_main_~y~4 59), 31878#(<= ULTIMATE.start_main_~y~4 60), 31879#(<= ULTIMATE.start_main_~y~4 61), 31880#(<= ULTIMATE.start_main_~y~4 62), 31881#(<= ULTIMATE.start_main_~y~4 63), 31882#(<= ULTIMATE.start_main_~y~4 64), 31883#(<= ULTIMATE.start_main_~y~4 65), 31884#(<= ULTIMATE.start_main_~y~4 66), 31885#(<= ULTIMATE.start_main_~y~4 67), 31886#(<= ULTIMATE.start_main_~y~4 68), 31887#(<= ULTIMATE.start_main_~y~4 69), 31888#(<= ULTIMATE.start_main_~y~4 70), 31889#(<= ULTIMATE.start_main_~y~4 71), 31890#(<= ULTIMATE.start_main_~y~4 72), 31891#(<= ULTIMATE.start_main_~y~4 73), 31892#(<= ULTIMATE.start_main_~y~4 74), 31893#(<= ULTIMATE.start_main_~y~4 75), 31894#(<= ULTIMATE.start_main_~y~4 76), 31895#(<= ULTIMATE.start_main_~y~4 77), 31896#(<= ULTIMATE.start_main_~y~4 78), 31897#(<= ULTIMATE.start_main_~y~4 79), 31898#(<= ULTIMATE.start_main_~y~4 80), 31899#(<= ULTIMATE.start_main_~y~4 81), 31900#(<= ULTIMATE.start_main_~y~4 82), 31901#(<= ULTIMATE.start_main_~y~4 83), 31902#(<= ULTIMATE.start_main_~y~4 84), 31903#(<= ULTIMATE.start_main_~y~4 85), 31904#(<= ULTIMATE.start_main_~y~4 86), 31905#(<= ULTIMATE.start_main_~y~4 87), 31906#(<= ULTIMATE.start_main_~y~4 88), 31907#(<= ULTIMATE.start_main_~y~4 89), 31908#(<= ULTIMATE.start_main_~y~4 90), 31909#(<= ULTIMATE.start_main_~y~4 91), 31910#(<= ULTIMATE.start_main_~y~4 92), 31911#(<= ULTIMATE.start_main_~y~4 93), 31912#(<= ULTIMATE.start_main_~y~4 94), 31913#(<= ULTIMATE.start_main_~y~4 95), 31914#(<= ULTIMATE.start_main_~y~4 96), 31915#(<= ULTIMATE.start_main_~y~4 97), 31916#(<= ULTIMATE.start_main_~y~4 98), 31917#(<= ULTIMATE.start_main_~y~4 99), 31918#(<= ULTIMATE.start_main_~y~4 100), 31919#(<= ULTIMATE.start_main_~y~4 101), 31920#(<= ULTIMATE.start_main_~y~4 102), 31921#(<= ULTIMATE.start_main_~y~4 103), 31922#(<= ULTIMATE.start_main_~y~4 104), 31923#(<= ULTIMATE.start_main_~y~4 105), 31924#(<= ULTIMATE.start_main_~y~4 106), 31925#(<= ULTIMATE.start_main_~y~4 107), 31926#(<= ULTIMATE.start_main_~y~4 108)] [2018-07-23 13:37:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:52,094 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:37:52,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:37:52,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:37:52,096 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 111 states. [2018-07-23 13:37:52,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:52,181 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:37:52,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:37:52,182 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 111 [2018-07-23 13:37:52,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:52,182 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:37:52,182 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:37:52,183 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:37:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:37:52,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:37:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:37:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:37:52,185 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 111 [2018-07-23 13:37:52,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:52,185 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:37:52,185 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:37:52,185 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:37:52,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:37:52,186 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:52,186 INFO L357 BasicCegarLoop]: trace histogram [109, 1, 1, 1] [2018-07-23 13:37:52,186 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:52,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1204895148, now seen corresponding path program 109 times [2018-07-23 13:37:52,187 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:52,482 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:52,482 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:37:52,483 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:52,483 INFO L185 omatonBuilderFactory]: Interpolants [32383#true, 32384#false, 32385#(<= ULTIMATE.start_main_~y~4 0), 32386#(<= ULTIMATE.start_main_~y~4 1), 32387#(<= ULTIMATE.start_main_~y~4 2), 32388#(<= ULTIMATE.start_main_~y~4 3), 32389#(<= ULTIMATE.start_main_~y~4 4), 32390#(<= ULTIMATE.start_main_~y~4 5), 32391#(<= ULTIMATE.start_main_~y~4 6), 32392#(<= ULTIMATE.start_main_~y~4 7), 32393#(<= ULTIMATE.start_main_~y~4 8), 32394#(<= ULTIMATE.start_main_~y~4 9), 32395#(<= ULTIMATE.start_main_~y~4 10), 32396#(<= ULTIMATE.start_main_~y~4 11), 32397#(<= ULTIMATE.start_main_~y~4 12), 32398#(<= ULTIMATE.start_main_~y~4 13), 32399#(<= ULTIMATE.start_main_~y~4 14), 32400#(<= ULTIMATE.start_main_~y~4 15), 32401#(<= ULTIMATE.start_main_~y~4 16), 32402#(<= ULTIMATE.start_main_~y~4 17), 32403#(<= ULTIMATE.start_main_~y~4 18), 32404#(<= ULTIMATE.start_main_~y~4 19), 32405#(<= ULTIMATE.start_main_~y~4 20), 32406#(<= ULTIMATE.start_main_~y~4 21), 32407#(<= ULTIMATE.start_main_~y~4 22), 32408#(<= ULTIMATE.start_main_~y~4 23), 32409#(<= ULTIMATE.start_main_~y~4 24), 32410#(<= ULTIMATE.start_main_~y~4 25), 32411#(<= ULTIMATE.start_main_~y~4 26), 32412#(<= ULTIMATE.start_main_~y~4 27), 32413#(<= ULTIMATE.start_main_~y~4 28), 32414#(<= ULTIMATE.start_main_~y~4 29), 32415#(<= ULTIMATE.start_main_~y~4 30), 32416#(<= ULTIMATE.start_main_~y~4 31), 32417#(<= ULTIMATE.start_main_~y~4 32), 32418#(<= ULTIMATE.start_main_~y~4 33), 32419#(<= ULTIMATE.start_main_~y~4 34), 32420#(<= ULTIMATE.start_main_~y~4 35), 32421#(<= ULTIMATE.start_main_~y~4 36), 32422#(<= ULTIMATE.start_main_~y~4 37), 32423#(<= ULTIMATE.start_main_~y~4 38), 32424#(<= ULTIMATE.start_main_~y~4 39), 32425#(<= ULTIMATE.start_main_~y~4 40), 32426#(<= ULTIMATE.start_main_~y~4 41), 32427#(<= ULTIMATE.start_main_~y~4 42), 32428#(<= ULTIMATE.start_main_~y~4 43), 32429#(<= ULTIMATE.start_main_~y~4 44), 32430#(<= ULTIMATE.start_main_~y~4 45), 32431#(<= ULTIMATE.start_main_~y~4 46), 32432#(<= ULTIMATE.start_main_~y~4 47), 32433#(<= ULTIMATE.start_main_~y~4 48), 32434#(<= ULTIMATE.start_main_~y~4 49), 32435#(<= ULTIMATE.start_main_~y~4 50), 32436#(<= ULTIMATE.start_main_~y~4 51), 32437#(<= ULTIMATE.start_main_~y~4 52), 32438#(<= ULTIMATE.start_main_~y~4 53), 32439#(<= ULTIMATE.start_main_~y~4 54), 32440#(<= ULTIMATE.start_main_~y~4 55), 32441#(<= ULTIMATE.start_main_~y~4 56), 32442#(<= ULTIMATE.start_main_~y~4 57), 32443#(<= ULTIMATE.start_main_~y~4 58), 32444#(<= ULTIMATE.start_main_~y~4 59), 32445#(<= ULTIMATE.start_main_~y~4 60), 32446#(<= ULTIMATE.start_main_~y~4 61), 32447#(<= ULTIMATE.start_main_~y~4 62), 32448#(<= ULTIMATE.start_main_~y~4 63), 32449#(<= ULTIMATE.start_main_~y~4 64), 32450#(<= ULTIMATE.start_main_~y~4 65), 32451#(<= ULTIMATE.start_main_~y~4 66), 32452#(<= ULTIMATE.start_main_~y~4 67), 32453#(<= ULTIMATE.start_main_~y~4 68), 32454#(<= ULTIMATE.start_main_~y~4 69), 32455#(<= ULTIMATE.start_main_~y~4 70), 32456#(<= ULTIMATE.start_main_~y~4 71), 32457#(<= ULTIMATE.start_main_~y~4 72), 32458#(<= ULTIMATE.start_main_~y~4 73), 32459#(<= ULTIMATE.start_main_~y~4 74), 32460#(<= ULTIMATE.start_main_~y~4 75), 32461#(<= ULTIMATE.start_main_~y~4 76), 32462#(<= ULTIMATE.start_main_~y~4 77), 32463#(<= ULTIMATE.start_main_~y~4 78), 32464#(<= ULTIMATE.start_main_~y~4 79), 32465#(<= ULTIMATE.start_main_~y~4 80), 32466#(<= ULTIMATE.start_main_~y~4 81), 32467#(<= ULTIMATE.start_main_~y~4 82), 32468#(<= ULTIMATE.start_main_~y~4 83), 32469#(<= ULTIMATE.start_main_~y~4 84), 32470#(<= ULTIMATE.start_main_~y~4 85), 32471#(<= ULTIMATE.start_main_~y~4 86), 32472#(<= ULTIMATE.start_main_~y~4 87), 32473#(<= ULTIMATE.start_main_~y~4 88), 32474#(<= ULTIMATE.start_main_~y~4 89), 32475#(<= ULTIMATE.start_main_~y~4 90), 32476#(<= ULTIMATE.start_main_~y~4 91), 32477#(<= ULTIMATE.start_main_~y~4 92), 32478#(<= ULTIMATE.start_main_~y~4 93), 32479#(<= ULTIMATE.start_main_~y~4 94), 32480#(<= ULTIMATE.start_main_~y~4 95), 32481#(<= ULTIMATE.start_main_~y~4 96), 32482#(<= ULTIMATE.start_main_~y~4 97), 32483#(<= ULTIMATE.start_main_~y~4 98), 32484#(<= ULTIMATE.start_main_~y~4 99), 32485#(<= ULTIMATE.start_main_~y~4 100), 32486#(<= ULTIMATE.start_main_~y~4 101), 32487#(<= ULTIMATE.start_main_~y~4 102), 32488#(<= ULTIMATE.start_main_~y~4 103), 32489#(<= ULTIMATE.start_main_~y~4 104), 32490#(<= ULTIMATE.start_main_~y~4 105), 32491#(<= ULTIMATE.start_main_~y~4 106), 32492#(<= ULTIMATE.start_main_~y~4 107), 32493#(<= ULTIMATE.start_main_~y~4 108), 32494#(<= ULTIMATE.start_main_~y~4 109)] [2018-07-23 13:37:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:52,484 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:37:52,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:37:52,485 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:37:52,485 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 112 states. [2018-07-23 13:37:52,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:52,632 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-07-23 13:37:52,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:37:52,632 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 112 [2018-07-23 13:37:52,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:52,633 INFO L225 Difference]: With dead ends: 116 [2018-07-23 13:37:52,633 INFO L226 Difference]: Without dead ends: 114 [2018-07-23 13:37:52,634 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:37:52,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-07-23 13:37:52,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-07-23 13:37:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-07-23 13:37:52,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-07-23 13:37:52,637 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 112 [2018-07-23 13:37:52,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:52,638 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-07-23 13:37:52,638 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:37:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-07-23 13:37:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-23 13:37:52,639 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:52,639 INFO L357 BasicCegarLoop]: trace histogram [110, 1, 1, 1] [2018-07-23 13:37:52,639 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:52,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1302954269, now seen corresponding path program 110 times [2018-07-23 13:37:52,640 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,044 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:53,044 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:37:53,044 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,044 INFO L185 omatonBuilderFactory]: Interpolants [33024#(<= ULTIMATE.start_main_~y~4 67), 33025#(<= ULTIMATE.start_main_~y~4 68), 33026#(<= ULTIMATE.start_main_~y~4 69), 33027#(<= ULTIMATE.start_main_~y~4 70), 33028#(<= ULTIMATE.start_main_~y~4 71), 33029#(<= ULTIMATE.start_main_~y~4 72), 33030#(<= ULTIMATE.start_main_~y~4 73), 33031#(<= ULTIMATE.start_main_~y~4 74), 33032#(<= ULTIMATE.start_main_~y~4 75), 33033#(<= ULTIMATE.start_main_~y~4 76), 33034#(<= ULTIMATE.start_main_~y~4 77), 33035#(<= ULTIMATE.start_main_~y~4 78), 33036#(<= ULTIMATE.start_main_~y~4 79), 33037#(<= ULTIMATE.start_main_~y~4 80), 33038#(<= ULTIMATE.start_main_~y~4 81), 33039#(<= ULTIMATE.start_main_~y~4 82), 33040#(<= ULTIMATE.start_main_~y~4 83), 33041#(<= ULTIMATE.start_main_~y~4 84), 33042#(<= ULTIMATE.start_main_~y~4 85), 33043#(<= ULTIMATE.start_main_~y~4 86), 33044#(<= ULTIMATE.start_main_~y~4 87), 33045#(<= ULTIMATE.start_main_~y~4 88), 33046#(<= ULTIMATE.start_main_~y~4 89), 33047#(<= ULTIMATE.start_main_~y~4 90), 33048#(<= ULTIMATE.start_main_~y~4 91), 33049#(<= ULTIMATE.start_main_~y~4 92), 33050#(<= ULTIMATE.start_main_~y~4 93), 33051#(<= ULTIMATE.start_main_~y~4 94), 33052#(<= ULTIMATE.start_main_~y~4 95), 33053#(<= ULTIMATE.start_main_~y~4 96), 33054#(<= ULTIMATE.start_main_~y~4 97), 33055#(<= ULTIMATE.start_main_~y~4 98), 33056#(<= ULTIMATE.start_main_~y~4 99), 33057#(<= ULTIMATE.start_main_~y~4 100), 33058#(<= ULTIMATE.start_main_~y~4 101), 33059#(<= ULTIMATE.start_main_~y~4 102), 33060#(<= ULTIMATE.start_main_~y~4 103), 33061#(<= ULTIMATE.start_main_~y~4 104), 33062#(<= ULTIMATE.start_main_~y~4 105), 33063#(<= ULTIMATE.start_main_~y~4 106), 33064#(<= ULTIMATE.start_main_~y~4 107), 33065#(<= ULTIMATE.start_main_~y~4 108), 33066#(<= ULTIMATE.start_main_~y~4 109), 33067#(<= ULTIMATE.start_main_~y~4 110), 32955#true, 32956#false, 32957#(<= ULTIMATE.start_main_~y~4 0), 32958#(<= ULTIMATE.start_main_~y~4 1), 32959#(<= ULTIMATE.start_main_~y~4 2), 32960#(<= ULTIMATE.start_main_~y~4 3), 32961#(<= ULTIMATE.start_main_~y~4 4), 32962#(<= ULTIMATE.start_main_~y~4 5), 32963#(<= ULTIMATE.start_main_~y~4 6), 32964#(<= ULTIMATE.start_main_~y~4 7), 32965#(<= ULTIMATE.start_main_~y~4 8), 32966#(<= ULTIMATE.start_main_~y~4 9), 32967#(<= ULTIMATE.start_main_~y~4 10), 32968#(<= ULTIMATE.start_main_~y~4 11), 32969#(<= ULTIMATE.start_main_~y~4 12), 32970#(<= ULTIMATE.start_main_~y~4 13), 32971#(<= ULTIMATE.start_main_~y~4 14), 32972#(<= ULTIMATE.start_main_~y~4 15), 32973#(<= ULTIMATE.start_main_~y~4 16), 32974#(<= ULTIMATE.start_main_~y~4 17), 32975#(<= ULTIMATE.start_main_~y~4 18), 32976#(<= ULTIMATE.start_main_~y~4 19), 32977#(<= ULTIMATE.start_main_~y~4 20), 32978#(<= ULTIMATE.start_main_~y~4 21), 32979#(<= ULTIMATE.start_main_~y~4 22), 32980#(<= ULTIMATE.start_main_~y~4 23), 32981#(<= ULTIMATE.start_main_~y~4 24), 32982#(<= ULTIMATE.start_main_~y~4 25), 32983#(<= ULTIMATE.start_main_~y~4 26), 32984#(<= ULTIMATE.start_main_~y~4 27), 32985#(<= ULTIMATE.start_main_~y~4 28), 32986#(<= ULTIMATE.start_main_~y~4 29), 32987#(<= ULTIMATE.start_main_~y~4 30), 32988#(<= ULTIMATE.start_main_~y~4 31), 32989#(<= ULTIMATE.start_main_~y~4 32), 32990#(<= ULTIMATE.start_main_~y~4 33), 32991#(<= ULTIMATE.start_main_~y~4 34), 32992#(<= ULTIMATE.start_main_~y~4 35), 32993#(<= ULTIMATE.start_main_~y~4 36), 32994#(<= ULTIMATE.start_main_~y~4 37), 32995#(<= ULTIMATE.start_main_~y~4 38), 32996#(<= ULTIMATE.start_main_~y~4 39), 32997#(<= ULTIMATE.start_main_~y~4 40), 32998#(<= ULTIMATE.start_main_~y~4 41), 32999#(<= ULTIMATE.start_main_~y~4 42), 33000#(<= ULTIMATE.start_main_~y~4 43), 33001#(<= ULTIMATE.start_main_~y~4 44), 33002#(<= ULTIMATE.start_main_~y~4 45), 33003#(<= ULTIMATE.start_main_~y~4 46), 33004#(<= ULTIMATE.start_main_~y~4 47), 33005#(<= ULTIMATE.start_main_~y~4 48), 33006#(<= ULTIMATE.start_main_~y~4 49), 33007#(<= ULTIMATE.start_main_~y~4 50), 33008#(<= ULTIMATE.start_main_~y~4 51), 33009#(<= ULTIMATE.start_main_~y~4 52), 33010#(<= ULTIMATE.start_main_~y~4 53), 33011#(<= ULTIMATE.start_main_~y~4 54), 33012#(<= ULTIMATE.start_main_~y~4 55), 33013#(<= ULTIMATE.start_main_~y~4 56), 33014#(<= ULTIMATE.start_main_~y~4 57), 33015#(<= ULTIMATE.start_main_~y~4 58), 33016#(<= ULTIMATE.start_main_~y~4 59), 33017#(<= ULTIMATE.start_main_~y~4 60), 33018#(<= ULTIMATE.start_main_~y~4 61), 33019#(<= ULTIMATE.start_main_~y~4 62), 33020#(<= ULTIMATE.start_main_~y~4 63), 33021#(<= ULTIMATE.start_main_~y~4 64), 33022#(<= ULTIMATE.start_main_~y~4 65), 33023#(<= ULTIMATE.start_main_~y~4 66)] [2018-07-23 13:37:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,045 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:37:53,046 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:37:53,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:37:53,046 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 113 states. [2018-07-23 13:37:53,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:53,118 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:37:53,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:37:53,118 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 113 [2018-07-23 13:37:53,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:53,119 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:37:53,119 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:37:53,120 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:37:53,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:37:53,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:37:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:37:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:37:53,123 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 113 [2018-07-23 13:37:53,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:53,123 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:37:53,123 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:37:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:37:53,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:37:53,124 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:53,124 INFO L357 BasicCegarLoop]: trace histogram [111, 1, 1, 1] [2018-07-23 13:37:53,125 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:53,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1736874868, now seen corresponding path program 111 times [2018-07-23 13:37:53,125 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,432 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:53,432 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:37:53,432 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,433 INFO L185 omatonBuilderFactory]: Interpolants [33536#(<= ULTIMATE.start_main_~y~4 2), 33537#(<= ULTIMATE.start_main_~y~4 3), 33538#(<= ULTIMATE.start_main_~y~4 4), 33539#(<= ULTIMATE.start_main_~y~4 5), 33540#(<= ULTIMATE.start_main_~y~4 6), 33541#(<= ULTIMATE.start_main_~y~4 7), 33542#(<= ULTIMATE.start_main_~y~4 8), 33543#(<= ULTIMATE.start_main_~y~4 9), 33544#(<= ULTIMATE.start_main_~y~4 10), 33545#(<= ULTIMATE.start_main_~y~4 11), 33546#(<= ULTIMATE.start_main_~y~4 12), 33547#(<= ULTIMATE.start_main_~y~4 13), 33548#(<= ULTIMATE.start_main_~y~4 14), 33549#(<= ULTIMATE.start_main_~y~4 15), 33550#(<= ULTIMATE.start_main_~y~4 16), 33551#(<= ULTIMATE.start_main_~y~4 17), 33552#(<= ULTIMATE.start_main_~y~4 18), 33553#(<= ULTIMATE.start_main_~y~4 19), 33554#(<= ULTIMATE.start_main_~y~4 20), 33555#(<= ULTIMATE.start_main_~y~4 21), 33556#(<= ULTIMATE.start_main_~y~4 22), 33557#(<= ULTIMATE.start_main_~y~4 23), 33558#(<= ULTIMATE.start_main_~y~4 24), 33559#(<= ULTIMATE.start_main_~y~4 25), 33560#(<= ULTIMATE.start_main_~y~4 26), 33561#(<= ULTIMATE.start_main_~y~4 27), 33562#(<= ULTIMATE.start_main_~y~4 28), 33563#(<= ULTIMATE.start_main_~y~4 29), 33564#(<= ULTIMATE.start_main_~y~4 30), 33565#(<= ULTIMATE.start_main_~y~4 31), 33566#(<= ULTIMATE.start_main_~y~4 32), 33567#(<= ULTIMATE.start_main_~y~4 33), 33568#(<= ULTIMATE.start_main_~y~4 34), 33569#(<= ULTIMATE.start_main_~y~4 35), 33570#(<= ULTIMATE.start_main_~y~4 36), 33571#(<= ULTIMATE.start_main_~y~4 37), 33572#(<= ULTIMATE.start_main_~y~4 38), 33573#(<= ULTIMATE.start_main_~y~4 39), 33574#(<= ULTIMATE.start_main_~y~4 40), 33575#(<= ULTIMATE.start_main_~y~4 41), 33576#(<= ULTIMATE.start_main_~y~4 42), 33577#(<= ULTIMATE.start_main_~y~4 43), 33578#(<= ULTIMATE.start_main_~y~4 44), 33579#(<= ULTIMATE.start_main_~y~4 45), 33580#(<= ULTIMATE.start_main_~y~4 46), 33581#(<= ULTIMATE.start_main_~y~4 47), 33582#(<= ULTIMATE.start_main_~y~4 48), 33583#(<= ULTIMATE.start_main_~y~4 49), 33584#(<= ULTIMATE.start_main_~y~4 50), 33585#(<= ULTIMATE.start_main_~y~4 51), 33586#(<= ULTIMATE.start_main_~y~4 52), 33587#(<= ULTIMATE.start_main_~y~4 53), 33588#(<= ULTIMATE.start_main_~y~4 54), 33589#(<= ULTIMATE.start_main_~y~4 55), 33590#(<= ULTIMATE.start_main_~y~4 56), 33591#(<= ULTIMATE.start_main_~y~4 57), 33592#(<= ULTIMATE.start_main_~y~4 58), 33593#(<= ULTIMATE.start_main_~y~4 59), 33594#(<= ULTIMATE.start_main_~y~4 60), 33595#(<= ULTIMATE.start_main_~y~4 61), 33596#(<= ULTIMATE.start_main_~y~4 62), 33597#(<= ULTIMATE.start_main_~y~4 63), 33598#(<= ULTIMATE.start_main_~y~4 64), 33599#(<= ULTIMATE.start_main_~y~4 65), 33600#(<= ULTIMATE.start_main_~y~4 66), 33601#(<= ULTIMATE.start_main_~y~4 67), 33602#(<= ULTIMATE.start_main_~y~4 68), 33603#(<= ULTIMATE.start_main_~y~4 69), 33604#(<= ULTIMATE.start_main_~y~4 70), 33605#(<= ULTIMATE.start_main_~y~4 71), 33606#(<= ULTIMATE.start_main_~y~4 72), 33607#(<= ULTIMATE.start_main_~y~4 73), 33608#(<= ULTIMATE.start_main_~y~4 74), 33609#(<= ULTIMATE.start_main_~y~4 75), 33610#(<= ULTIMATE.start_main_~y~4 76), 33611#(<= ULTIMATE.start_main_~y~4 77), 33612#(<= ULTIMATE.start_main_~y~4 78), 33613#(<= ULTIMATE.start_main_~y~4 79), 33614#(<= ULTIMATE.start_main_~y~4 80), 33615#(<= ULTIMATE.start_main_~y~4 81), 33616#(<= ULTIMATE.start_main_~y~4 82), 33617#(<= ULTIMATE.start_main_~y~4 83), 33618#(<= ULTIMATE.start_main_~y~4 84), 33619#(<= ULTIMATE.start_main_~y~4 85), 33620#(<= ULTIMATE.start_main_~y~4 86), 33621#(<= ULTIMATE.start_main_~y~4 87), 33622#(<= ULTIMATE.start_main_~y~4 88), 33623#(<= ULTIMATE.start_main_~y~4 89), 33624#(<= ULTIMATE.start_main_~y~4 90), 33625#(<= ULTIMATE.start_main_~y~4 91), 33626#(<= ULTIMATE.start_main_~y~4 92), 33627#(<= ULTIMATE.start_main_~y~4 93), 33628#(<= ULTIMATE.start_main_~y~4 94), 33629#(<= ULTIMATE.start_main_~y~4 95), 33630#(<= ULTIMATE.start_main_~y~4 96), 33631#(<= ULTIMATE.start_main_~y~4 97), 33632#(<= ULTIMATE.start_main_~y~4 98), 33633#(<= ULTIMATE.start_main_~y~4 99), 33634#(<= ULTIMATE.start_main_~y~4 100), 33635#(<= ULTIMATE.start_main_~y~4 101), 33636#(<= ULTIMATE.start_main_~y~4 102), 33637#(<= ULTIMATE.start_main_~y~4 103), 33638#(<= ULTIMATE.start_main_~y~4 104), 33639#(<= ULTIMATE.start_main_~y~4 105), 33640#(<= ULTIMATE.start_main_~y~4 106), 33641#(<= ULTIMATE.start_main_~y~4 107), 33642#(<= ULTIMATE.start_main_~y~4 108), 33643#(<= ULTIMATE.start_main_~y~4 109), 33644#(<= ULTIMATE.start_main_~y~4 110), 33645#(<= ULTIMATE.start_main_~y~4 111), 33532#true, 33533#false, 33534#(<= ULTIMATE.start_main_~y~4 0), 33535#(<= ULTIMATE.start_main_~y~4 1)] [2018-07-23 13:37:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,433 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:37:53,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:37:53,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:37:53,435 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 114 states. [2018-07-23 13:37:53,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:53,619 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-07-23 13:37:53,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:37:53,619 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 114 [2018-07-23 13:37:53,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:53,620 INFO L225 Difference]: With dead ends: 118 [2018-07-23 13:37:53,620 INFO L226 Difference]: Without dead ends: 116 [2018-07-23 13:37:53,621 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:37:53,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-23 13:37:53,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-07-23 13:37:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-07-23 13:37:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 116 transitions. [2018-07-23 13:37:53,623 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 116 transitions. Word has length 114 [2018-07-23 13:37:53,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:53,623 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 116 transitions. [2018-07-23 13:37:53,624 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:37:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 116 transitions. [2018-07-23 13:37:53,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-23 13:37:53,624 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:53,624 INFO L357 BasicCegarLoop]: trace histogram [112, 1, 1, 1] [2018-07-23 13:37:53,624 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:53,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1991455747, now seen corresponding path program 112 times [2018-07-23 13:37:53,625 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,938 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:53,938 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:37:53,938 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,938 INFO L185 omatonBuilderFactory]: Interpolants [34114#true, 34115#false, 34116#(<= ULTIMATE.start_main_~y~4 0), 34117#(<= ULTIMATE.start_main_~y~4 1), 34118#(<= ULTIMATE.start_main_~y~4 2), 34119#(<= ULTIMATE.start_main_~y~4 3), 34120#(<= ULTIMATE.start_main_~y~4 4), 34121#(<= ULTIMATE.start_main_~y~4 5), 34122#(<= ULTIMATE.start_main_~y~4 6), 34123#(<= ULTIMATE.start_main_~y~4 7), 34124#(<= ULTIMATE.start_main_~y~4 8), 34125#(<= ULTIMATE.start_main_~y~4 9), 34126#(<= ULTIMATE.start_main_~y~4 10), 34127#(<= ULTIMATE.start_main_~y~4 11), 34128#(<= ULTIMATE.start_main_~y~4 12), 34129#(<= ULTIMATE.start_main_~y~4 13), 34130#(<= ULTIMATE.start_main_~y~4 14), 34131#(<= ULTIMATE.start_main_~y~4 15), 34132#(<= ULTIMATE.start_main_~y~4 16), 34133#(<= ULTIMATE.start_main_~y~4 17), 34134#(<= ULTIMATE.start_main_~y~4 18), 34135#(<= ULTIMATE.start_main_~y~4 19), 34136#(<= ULTIMATE.start_main_~y~4 20), 34137#(<= ULTIMATE.start_main_~y~4 21), 34138#(<= ULTIMATE.start_main_~y~4 22), 34139#(<= ULTIMATE.start_main_~y~4 23), 34140#(<= ULTIMATE.start_main_~y~4 24), 34141#(<= ULTIMATE.start_main_~y~4 25), 34142#(<= ULTIMATE.start_main_~y~4 26), 34143#(<= ULTIMATE.start_main_~y~4 27), 34144#(<= ULTIMATE.start_main_~y~4 28), 34145#(<= ULTIMATE.start_main_~y~4 29), 34146#(<= ULTIMATE.start_main_~y~4 30), 34147#(<= ULTIMATE.start_main_~y~4 31), 34148#(<= ULTIMATE.start_main_~y~4 32), 34149#(<= ULTIMATE.start_main_~y~4 33), 34150#(<= ULTIMATE.start_main_~y~4 34), 34151#(<= ULTIMATE.start_main_~y~4 35), 34152#(<= ULTIMATE.start_main_~y~4 36), 34153#(<= ULTIMATE.start_main_~y~4 37), 34154#(<= ULTIMATE.start_main_~y~4 38), 34155#(<= ULTIMATE.start_main_~y~4 39), 34156#(<= ULTIMATE.start_main_~y~4 40), 34157#(<= ULTIMATE.start_main_~y~4 41), 34158#(<= ULTIMATE.start_main_~y~4 42), 34159#(<= ULTIMATE.start_main_~y~4 43), 34160#(<= ULTIMATE.start_main_~y~4 44), 34161#(<= ULTIMATE.start_main_~y~4 45), 34162#(<= ULTIMATE.start_main_~y~4 46), 34163#(<= ULTIMATE.start_main_~y~4 47), 34164#(<= ULTIMATE.start_main_~y~4 48), 34165#(<= ULTIMATE.start_main_~y~4 49), 34166#(<= ULTIMATE.start_main_~y~4 50), 34167#(<= ULTIMATE.start_main_~y~4 51), 34168#(<= ULTIMATE.start_main_~y~4 52), 34169#(<= ULTIMATE.start_main_~y~4 53), 34170#(<= ULTIMATE.start_main_~y~4 54), 34171#(<= ULTIMATE.start_main_~y~4 55), 34172#(<= ULTIMATE.start_main_~y~4 56), 34173#(<= ULTIMATE.start_main_~y~4 57), 34174#(<= ULTIMATE.start_main_~y~4 58), 34175#(<= ULTIMATE.start_main_~y~4 59), 34176#(<= ULTIMATE.start_main_~y~4 60), 34177#(<= ULTIMATE.start_main_~y~4 61), 34178#(<= ULTIMATE.start_main_~y~4 62), 34179#(<= ULTIMATE.start_main_~y~4 63), 34180#(<= ULTIMATE.start_main_~y~4 64), 34181#(<= ULTIMATE.start_main_~y~4 65), 34182#(<= ULTIMATE.start_main_~y~4 66), 34183#(<= ULTIMATE.start_main_~y~4 67), 34184#(<= ULTIMATE.start_main_~y~4 68), 34185#(<= ULTIMATE.start_main_~y~4 69), 34186#(<= ULTIMATE.start_main_~y~4 70), 34187#(<= ULTIMATE.start_main_~y~4 71), 34188#(<= ULTIMATE.start_main_~y~4 72), 34189#(<= ULTIMATE.start_main_~y~4 73), 34190#(<= ULTIMATE.start_main_~y~4 74), 34191#(<= ULTIMATE.start_main_~y~4 75), 34192#(<= ULTIMATE.start_main_~y~4 76), 34193#(<= ULTIMATE.start_main_~y~4 77), 34194#(<= ULTIMATE.start_main_~y~4 78), 34195#(<= ULTIMATE.start_main_~y~4 79), 34196#(<= ULTIMATE.start_main_~y~4 80), 34197#(<= ULTIMATE.start_main_~y~4 81), 34198#(<= ULTIMATE.start_main_~y~4 82), 34199#(<= ULTIMATE.start_main_~y~4 83), 34200#(<= ULTIMATE.start_main_~y~4 84), 34201#(<= ULTIMATE.start_main_~y~4 85), 34202#(<= ULTIMATE.start_main_~y~4 86), 34203#(<= ULTIMATE.start_main_~y~4 87), 34204#(<= ULTIMATE.start_main_~y~4 88), 34205#(<= ULTIMATE.start_main_~y~4 89), 34206#(<= ULTIMATE.start_main_~y~4 90), 34207#(<= ULTIMATE.start_main_~y~4 91), 34208#(<= ULTIMATE.start_main_~y~4 92), 34209#(<= ULTIMATE.start_main_~y~4 93), 34210#(<= ULTIMATE.start_main_~y~4 94), 34211#(<= ULTIMATE.start_main_~y~4 95), 34212#(<= ULTIMATE.start_main_~y~4 96), 34213#(<= ULTIMATE.start_main_~y~4 97), 34214#(<= ULTIMATE.start_main_~y~4 98), 34215#(<= ULTIMATE.start_main_~y~4 99), 34216#(<= ULTIMATE.start_main_~y~4 100), 34217#(<= ULTIMATE.start_main_~y~4 101), 34218#(<= ULTIMATE.start_main_~y~4 102), 34219#(<= ULTIMATE.start_main_~y~4 103), 34220#(<= ULTIMATE.start_main_~y~4 104), 34221#(<= ULTIMATE.start_main_~y~4 105), 34222#(<= ULTIMATE.start_main_~y~4 106), 34223#(<= ULTIMATE.start_main_~y~4 107), 34224#(<= ULTIMATE.start_main_~y~4 108), 34225#(<= ULTIMATE.start_main_~y~4 109), 34226#(<= ULTIMATE.start_main_~y~4 110), 34227#(<= ULTIMATE.start_main_~y~4 111), 34228#(<= ULTIMATE.start_main_~y~4 112)] [2018-07-23 13:37:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,939 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:37:53,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:37:53,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:37:53,940 INFO L87 Difference]: Start difference. First operand 116 states and 116 transitions. Second operand 115 states. [2018-07-23 13:37:54,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:54,040 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:37:54,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:37:54,040 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 115 [2018-07-23 13:37:54,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:54,040 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:37:54,040 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:37:54,041 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:37:54,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:37:54,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:37:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:37:54,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:37:54,043 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 115 [2018-07-23 13:37:54,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:54,043 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:37:54,043 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:37:54,043 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:37:54,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:37:54,044 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:54,044 INFO L357 BasicCegarLoop]: trace histogram [113, 1, 1, 1] [2018-07-23 13:37:54,044 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:54,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1605587820, now seen corresponding path program 113 times [2018-07-23 13:37:54,044 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:54,338 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:54,338 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:37:54,338 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:54,338 INFO L185 omatonBuilderFactory]: Interpolants [34816#(<= ULTIMATE.start_main_~y~4 113), 34701#true, 34702#false, 34703#(<= ULTIMATE.start_main_~y~4 0), 34704#(<= ULTIMATE.start_main_~y~4 1), 34705#(<= ULTIMATE.start_main_~y~4 2), 34706#(<= ULTIMATE.start_main_~y~4 3), 34707#(<= ULTIMATE.start_main_~y~4 4), 34708#(<= ULTIMATE.start_main_~y~4 5), 34709#(<= ULTIMATE.start_main_~y~4 6), 34710#(<= ULTIMATE.start_main_~y~4 7), 34711#(<= ULTIMATE.start_main_~y~4 8), 34712#(<= ULTIMATE.start_main_~y~4 9), 34713#(<= ULTIMATE.start_main_~y~4 10), 34714#(<= ULTIMATE.start_main_~y~4 11), 34715#(<= ULTIMATE.start_main_~y~4 12), 34716#(<= ULTIMATE.start_main_~y~4 13), 34717#(<= ULTIMATE.start_main_~y~4 14), 34718#(<= ULTIMATE.start_main_~y~4 15), 34719#(<= ULTIMATE.start_main_~y~4 16), 34720#(<= ULTIMATE.start_main_~y~4 17), 34721#(<= ULTIMATE.start_main_~y~4 18), 34722#(<= ULTIMATE.start_main_~y~4 19), 34723#(<= ULTIMATE.start_main_~y~4 20), 34724#(<= ULTIMATE.start_main_~y~4 21), 34725#(<= ULTIMATE.start_main_~y~4 22), 34726#(<= ULTIMATE.start_main_~y~4 23), 34727#(<= ULTIMATE.start_main_~y~4 24), 34728#(<= ULTIMATE.start_main_~y~4 25), 34729#(<= ULTIMATE.start_main_~y~4 26), 34730#(<= ULTIMATE.start_main_~y~4 27), 34731#(<= ULTIMATE.start_main_~y~4 28), 34732#(<= ULTIMATE.start_main_~y~4 29), 34733#(<= ULTIMATE.start_main_~y~4 30), 34734#(<= ULTIMATE.start_main_~y~4 31), 34735#(<= ULTIMATE.start_main_~y~4 32), 34736#(<= ULTIMATE.start_main_~y~4 33), 34737#(<= ULTIMATE.start_main_~y~4 34), 34738#(<= ULTIMATE.start_main_~y~4 35), 34739#(<= ULTIMATE.start_main_~y~4 36), 34740#(<= ULTIMATE.start_main_~y~4 37), 34741#(<= ULTIMATE.start_main_~y~4 38), 34742#(<= ULTIMATE.start_main_~y~4 39), 34743#(<= ULTIMATE.start_main_~y~4 40), 34744#(<= ULTIMATE.start_main_~y~4 41), 34745#(<= ULTIMATE.start_main_~y~4 42), 34746#(<= ULTIMATE.start_main_~y~4 43), 34747#(<= ULTIMATE.start_main_~y~4 44), 34748#(<= ULTIMATE.start_main_~y~4 45), 34749#(<= ULTIMATE.start_main_~y~4 46), 34750#(<= ULTIMATE.start_main_~y~4 47), 34751#(<= ULTIMATE.start_main_~y~4 48), 34752#(<= ULTIMATE.start_main_~y~4 49), 34753#(<= ULTIMATE.start_main_~y~4 50), 34754#(<= ULTIMATE.start_main_~y~4 51), 34755#(<= ULTIMATE.start_main_~y~4 52), 34756#(<= ULTIMATE.start_main_~y~4 53), 34757#(<= ULTIMATE.start_main_~y~4 54), 34758#(<= ULTIMATE.start_main_~y~4 55), 34759#(<= ULTIMATE.start_main_~y~4 56), 34760#(<= ULTIMATE.start_main_~y~4 57), 34761#(<= ULTIMATE.start_main_~y~4 58), 34762#(<= ULTIMATE.start_main_~y~4 59), 34763#(<= ULTIMATE.start_main_~y~4 60), 34764#(<= ULTIMATE.start_main_~y~4 61), 34765#(<= ULTIMATE.start_main_~y~4 62), 34766#(<= ULTIMATE.start_main_~y~4 63), 34767#(<= ULTIMATE.start_main_~y~4 64), 34768#(<= ULTIMATE.start_main_~y~4 65), 34769#(<= ULTIMATE.start_main_~y~4 66), 34770#(<= ULTIMATE.start_main_~y~4 67), 34771#(<= ULTIMATE.start_main_~y~4 68), 34772#(<= ULTIMATE.start_main_~y~4 69), 34773#(<= ULTIMATE.start_main_~y~4 70), 34774#(<= ULTIMATE.start_main_~y~4 71), 34775#(<= ULTIMATE.start_main_~y~4 72), 34776#(<= ULTIMATE.start_main_~y~4 73), 34777#(<= ULTIMATE.start_main_~y~4 74), 34778#(<= ULTIMATE.start_main_~y~4 75), 34779#(<= ULTIMATE.start_main_~y~4 76), 34780#(<= ULTIMATE.start_main_~y~4 77), 34781#(<= ULTIMATE.start_main_~y~4 78), 34782#(<= ULTIMATE.start_main_~y~4 79), 34783#(<= ULTIMATE.start_main_~y~4 80), 34784#(<= ULTIMATE.start_main_~y~4 81), 34785#(<= ULTIMATE.start_main_~y~4 82), 34786#(<= ULTIMATE.start_main_~y~4 83), 34787#(<= ULTIMATE.start_main_~y~4 84), 34788#(<= ULTIMATE.start_main_~y~4 85), 34789#(<= ULTIMATE.start_main_~y~4 86), 34790#(<= ULTIMATE.start_main_~y~4 87), 34791#(<= ULTIMATE.start_main_~y~4 88), 34792#(<= ULTIMATE.start_main_~y~4 89), 34793#(<= ULTIMATE.start_main_~y~4 90), 34794#(<= ULTIMATE.start_main_~y~4 91), 34795#(<= ULTIMATE.start_main_~y~4 92), 34796#(<= ULTIMATE.start_main_~y~4 93), 34797#(<= ULTIMATE.start_main_~y~4 94), 34798#(<= ULTIMATE.start_main_~y~4 95), 34799#(<= ULTIMATE.start_main_~y~4 96), 34800#(<= ULTIMATE.start_main_~y~4 97), 34801#(<= ULTIMATE.start_main_~y~4 98), 34802#(<= ULTIMATE.start_main_~y~4 99), 34803#(<= ULTIMATE.start_main_~y~4 100), 34804#(<= ULTIMATE.start_main_~y~4 101), 34805#(<= ULTIMATE.start_main_~y~4 102), 34806#(<= ULTIMATE.start_main_~y~4 103), 34807#(<= ULTIMATE.start_main_~y~4 104), 34808#(<= ULTIMATE.start_main_~y~4 105), 34809#(<= ULTIMATE.start_main_~y~4 106), 34810#(<= ULTIMATE.start_main_~y~4 107), 34811#(<= ULTIMATE.start_main_~y~4 108), 34812#(<= ULTIMATE.start_main_~y~4 109), 34813#(<= ULTIMATE.start_main_~y~4 110), 34814#(<= ULTIMATE.start_main_~y~4 111), 34815#(<= ULTIMATE.start_main_~y~4 112)] [2018-07-23 13:37:54,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:54,339 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:37:54,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:37:54,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:37:54,340 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 116 states. [2018-07-23 13:37:54,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:54,450 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-07-23 13:37:54,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:37:54,450 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 116 [2018-07-23 13:37:54,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:54,451 INFO L225 Difference]: With dead ends: 120 [2018-07-23 13:37:54,451 INFO L226 Difference]: Without dead ends: 118 [2018-07-23 13:37:54,452 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:37:54,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-23 13:37:54,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-07-23 13:37:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-07-23 13:37:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2018-07-23 13:37:54,455 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 116 [2018-07-23 13:37:54,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:54,455 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2018-07-23 13:37:54,455 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:37:54,455 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2018-07-23 13:37:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-07-23 13:37:54,456 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:54,456 INFO L357 BasicCegarLoop]: trace histogram [114, 1, 1, 1] [2018-07-23 13:37:54,456 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:54,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1766383325, now seen corresponding path program 114 times [2018-07-23 13:37:54,457 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:54,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:54,766 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:54,766 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:37:54,766 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:54,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:54,767 INFO L185 omatonBuilderFactory]: Interpolants [35328#(<= ULTIMATE.start_main_~y~4 33), 35329#(<= ULTIMATE.start_main_~y~4 34), 35330#(<= ULTIMATE.start_main_~y~4 35), 35331#(<= ULTIMATE.start_main_~y~4 36), 35332#(<= ULTIMATE.start_main_~y~4 37), 35333#(<= ULTIMATE.start_main_~y~4 38), 35334#(<= ULTIMATE.start_main_~y~4 39), 35335#(<= ULTIMATE.start_main_~y~4 40), 35336#(<= ULTIMATE.start_main_~y~4 41), 35337#(<= ULTIMATE.start_main_~y~4 42), 35338#(<= ULTIMATE.start_main_~y~4 43), 35339#(<= ULTIMATE.start_main_~y~4 44), 35340#(<= ULTIMATE.start_main_~y~4 45), 35341#(<= ULTIMATE.start_main_~y~4 46), 35342#(<= ULTIMATE.start_main_~y~4 47), 35343#(<= ULTIMATE.start_main_~y~4 48), 35344#(<= ULTIMATE.start_main_~y~4 49), 35345#(<= ULTIMATE.start_main_~y~4 50), 35346#(<= ULTIMATE.start_main_~y~4 51), 35347#(<= ULTIMATE.start_main_~y~4 52), 35348#(<= ULTIMATE.start_main_~y~4 53), 35349#(<= ULTIMATE.start_main_~y~4 54), 35350#(<= ULTIMATE.start_main_~y~4 55), 35351#(<= ULTIMATE.start_main_~y~4 56), 35352#(<= ULTIMATE.start_main_~y~4 57), 35353#(<= ULTIMATE.start_main_~y~4 58), 35354#(<= ULTIMATE.start_main_~y~4 59), 35355#(<= ULTIMATE.start_main_~y~4 60), 35356#(<= ULTIMATE.start_main_~y~4 61), 35357#(<= ULTIMATE.start_main_~y~4 62), 35358#(<= ULTIMATE.start_main_~y~4 63), 35359#(<= ULTIMATE.start_main_~y~4 64), 35360#(<= ULTIMATE.start_main_~y~4 65), 35361#(<= ULTIMATE.start_main_~y~4 66), 35362#(<= ULTIMATE.start_main_~y~4 67), 35363#(<= ULTIMATE.start_main_~y~4 68), 35364#(<= ULTIMATE.start_main_~y~4 69), 35365#(<= ULTIMATE.start_main_~y~4 70), 35366#(<= ULTIMATE.start_main_~y~4 71), 35367#(<= ULTIMATE.start_main_~y~4 72), 35368#(<= ULTIMATE.start_main_~y~4 73), 35369#(<= ULTIMATE.start_main_~y~4 74), 35370#(<= ULTIMATE.start_main_~y~4 75), 35371#(<= ULTIMATE.start_main_~y~4 76), 35372#(<= ULTIMATE.start_main_~y~4 77), 35373#(<= ULTIMATE.start_main_~y~4 78), 35374#(<= ULTIMATE.start_main_~y~4 79), 35375#(<= ULTIMATE.start_main_~y~4 80), 35376#(<= ULTIMATE.start_main_~y~4 81), 35377#(<= ULTIMATE.start_main_~y~4 82), 35378#(<= ULTIMATE.start_main_~y~4 83), 35379#(<= ULTIMATE.start_main_~y~4 84), 35380#(<= ULTIMATE.start_main_~y~4 85), 35381#(<= ULTIMATE.start_main_~y~4 86), 35382#(<= ULTIMATE.start_main_~y~4 87), 35383#(<= ULTIMATE.start_main_~y~4 88), 35384#(<= ULTIMATE.start_main_~y~4 89), 35385#(<= ULTIMATE.start_main_~y~4 90), 35386#(<= ULTIMATE.start_main_~y~4 91), 35387#(<= ULTIMATE.start_main_~y~4 92), 35388#(<= ULTIMATE.start_main_~y~4 93), 35389#(<= ULTIMATE.start_main_~y~4 94), 35390#(<= ULTIMATE.start_main_~y~4 95), 35391#(<= ULTIMATE.start_main_~y~4 96), 35392#(<= ULTIMATE.start_main_~y~4 97), 35393#(<= ULTIMATE.start_main_~y~4 98), 35394#(<= ULTIMATE.start_main_~y~4 99), 35395#(<= ULTIMATE.start_main_~y~4 100), 35396#(<= ULTIMATE.start_main_~y~4 101), 35397#(<= ULTIMATE.start_main_~y~4 102), 35398#(<= ULTIMATE.start_main_~y~4 103), 35399#(<= ULTIMATE.start_main_~y~4 104), 35400#(<= ULTIMATE.start_main_~y~4 105), 35401#(<= ULTIMATE.start_main_~y~4 106), 35402#(<= ULTIMATE.start_main_~y~4 107), 35403#(<= ULTIMATE.start_main_~y~4 108), 35404#(<= ULTIMATE.start_main_~y~4 109), 35405#(<= ULTIMATE.start_main_~y~4 110), 35406#(<= ULTIMATE.start_main_~y~4 111), 35407#(<= ULTIMATE.start_main_~y~4 112), 35408#(<= ULTIMATE.start_main_~y~4 113), 35409#(<= ULTIMATE.start_main_~y~4 114), 35293#true, 35294#false, 35295#(<= ULTIMATE.start_main_~y~4 0), 35296#(<= ULTIMATE.start_main_~y~4 1), 35297#(<= ULTIMATE.start_main_~y~4 2), 35298#(<= ULTIMATE.start_main_~y~4 3), 35299#(<= ULTIMATE.start_main_~y~4 4), 35300#(<= ULTIMATE.start_main_~y~4 5), 35301#(<= ULTIMATE.start_main_~y~4 6), 35302#(<= ULTIMATE.start_main_~y~4 7), 35303#(<= ULTIMATE.start_main_~y~4 8), 35304#(<= ULTIMATE.start_main_~y~4 9), 35305#(<= ULTIMATE.start_main_~y~4 10), 35306#(<= ULTIMATE.start_main_~y~4 11), 35307#(<= ULTIMATE.start_main_~y~4 12), 35308#(<= ULTIMATE.start_main_~y~4 13), 35309#(<= ULTIMATE.start_main_~y~4 14), 35310#(<= ULTIMATE.start_main_~y~4 15), 35311#(<= ULTIMATE.start_main_~y~4 16), 35312#(<= ULTIMATE.start_main_~y~4 17), 35313#(<= ULTIMATE.start_main_~y~4 18), 35314#(<= ULTIMATE.start_main_~y~4 19), 35315#(<= ULTIMATE.start_main_~y~4 20), 35316#(<= ULTIMATE.start_main_~y~4 21), 35317#(<= ULTIMATE.start_main_~y~4 22), 35318#(<= ULTIMATE.start_main_~y~4 23), 35319#(<= ULTIMATE.start_main_~y~4 24), 35320#(<= ULTIMATE.start_main_~y~4 25), 35321#(<= ULTIMATE.start_main_~y~4 26), 35322#(<= ULTIMATE.start_main_~y~4 27), 35323#(<= ULTIMATE.start_main_~y~4 28), 35324#(<= ULTIMATE.start_main_~y~4 29), 35325#(<= ULTIMATE.start_main_~y~4 30), 35326#(<= ULTIMATE.start_main_~y~4 31), 35327#(<= ULTIMATE.start_main_~y~4 32)] [2018-07-23 13:37:54,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:54,768 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:37:54,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:37:54,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:37:54,770 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand 117 states. [2018-07-23 13:37:54,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:54,855 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:37:54,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:37:54,856 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 117 [2018-07-23 13:37:54,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:54,856 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:37:54,857 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:37:54,857 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:37:54,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:37:54,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:37:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:37:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:37:54,860 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 117 [2018-07-23 13:37:54,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:54,860 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:37:54,860 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:37:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:37:54,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:37:54,861 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:54,861 INFO L357 BasicCegarLoop]: trace histogram [115, 1, 1, 1] [2018-07-23 13:37:54,861 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:54,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1076693580, now seen corresponding path program 115 times [2018-07-23 13:37:54,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:55,182 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:55,182 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:37:55,182 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:55,183 INFO L185 omatonBuilderFactory]: Interpolants [35890#true, 35891#false, 35892#(<= ULTIMATE.start_main_~y~4 0), 35893#(<= ULTIMATE.start_main_~y~4 1), 35894#(<= ULTIMATE.start_main_~y~4 2), 35895#(<= ULTIMATE.start_main_~y~4 3), 35896#(<= ULTIMATE.start_main_~y~4 4), 35897#(<= ULTIMATE.start_main_~y~4 5), 35898#(<= ULTIMATE.start_main_~y~4 6), 35899#(<= ULTIMATE.start_main_~y~4 7), 35900#(<= ULTIMATE.start_main_~y~4 8), 35901#(<= ULTIMATE.start_main_~y~4 9), 35902#(<= ULTIMATE.start_main_~y~4 10), 35903#(<= ULTIMATE.start_main_~y~4 11), 35904#(<= ULTIMATE.start_main_~y~4 12), 35905#(<= ULTIMATE.start_main_~y~4 13), 35906#(<= ULTIMATE.start_main_~y~4 14), 35907#(<= ULTIMATE.start_main_~y~4 15), 35908#(<= ULTIMATE.start_main_~y~4 16), 35909#(<= ULTIMATE.start_main_~y~4 17), 35910#(<= ULTIMATE.start_main_~y~4 18), 35911#(<= ULTIMATE.start_main_~y~4 19), 35912#(<= ULTIMATE.start_main_~y~4 20), 35913#(<= ULTIMATE.start_main_~y~4 21), 35914#(<= ULTIMATE.start_main_~y~4 22), 35915#(<= ULTIMATE.start_main_~y~4 23), 35916#(<= ULTIMATE.start_main_~y~4 24), 35917#(<= ULTIMATE.start_main_~y~4 25), 35918#(<= ULTIMATE.start_main_~y~4 26), 35919#(<= ULTIMATE.start_main_~y~4 27), 35920#(<= ULTIMATE.start_main_~y~4 28), 35921#(<= ULTIMATE.start_main_~y~4 29), 35922#(<= ULTIMATE.start_main_~y~4 30), 35923#(<= ULTIMATE.start_main_~y~4 31), 35924#(<= ULTIMATE.start_main_~y~4 32), 35925#(<= ULTIMATE.start_main_~y~4 33), 35926#(<= ULTIMATE.start_main_~y~4 34), 35927#(<= ULTIMATE.start_main_~y~4 35), 35928#(<= ULTIMATE.start_main_~y~4 36), 35929#(<= ULTIMATE.start_main_~y~4 37), 35930#(<= ULTIMATE.start_main_~y~4 38), 35931#(<= ULTIMATE.start_main_~y~4 39), 35932#(<= ULTIMATE.start_main_~y~4 40), 35933#(<= ULTIMATE.start_main_~y~4 41), 35934#(<= ULTIMATE.start_main_~y~4 42), 35935#(<= ULTIMATE.start_main_~y~4 43), 35936#(<= ULTIMATE.start_main_~y~4 44), 35937#(<= ULTIMATE.start_main_~y~4 45), 35938#(<= ULTIMATE.start_main_~y~4 46), 35939#(<= ULTIMATE.start_main_~y~4 47), 35940#(<= ULTIMATE.start_main_~y~4 48), 35941#(<= ULTIMATE.start_main_~y~4 49), 35942#(<= ULTIMATE.start_main_~y~4 50), 35943#(<= ULTIMATE.start_main_~y~4 51), 35944#(<= ULTIMATE.start_main_~y~4 52), 35945#(<= ULTIMATE.start_main_~y~4 53), 35946#(<= ULTIMATE.start_main_~y~4 54), 35947#(<= ULTIMATE.start_main_~y~4 55), 35948#(<= ULTIMATE.start_main_~y~4 56), 35949#(<= ULTIMATE.start_main_~y~4 57), 35950#(<= ULTIMATE.start_main_~y~4 58), 35951#(<= ULTIMATE.start_main_~y~4 59), 35952#(<= ULTIMATE.start_main_~y~4 60), 35953#(<= ULTIMATE.start_main_~y~4 61), 35954#(<= ULTIMATE.start_main_~y~4 62), 35955#(<= ULTIMATE.start_main_~y~4 63), 35956#(<= ULTIMATE.start_main_~y~4 64), 35957#(<= ULTIMATE.start_main_~y~4 65), 35958#(<= ULTIMATE.start_main_~y~4 66), 35959#(<= ULTIMATE.start_main_~y~4 67), 35960#(<= ULTIMATE.start_main_~y~4 68), 35961#(<= ULTIMATE.start_main_~y~4 69), 35962#(<= ULTIMATE.start_main_~y~4 70), 35963#(<= ULTIMATE.start_main_~y~4 71), 35964#(<= ULTIMATE.start_main_~y~4 72), 35965#(<= ULTIMATE.start_main_~y~4 73), 35966#(<= ULTIMATE.start_main_~y~4 74), 35967#(<= ULTIMATE.start_main_~y~4 75), 35968#(<= ULTIMATE.start_main_~y~4 76), 35969#(<= ULTIMATE.start_main_~y~4 77), 35970#(<= ULTIMATE.start_main_~y~4 78), 35971#(<= ULTIMATE.start_main_~y~4 79), 35972#(<= ULTIMATE.start_main_~y~4 80), 35973#(<= ULTIMATE.start_main_~y~4 81), 35974#(<= ULTIMATE.start_main_~y~4 82), 35975#(<= ULTIMATE.start_main_~y~4 83), 35976#(<= ULTIMATE.start_main_~y~4 84), 35977#(<= ULTIMATE.start_main_~y~4 85), 35978#(<= ULTIMATE.start_main_~y~4 86), 35979#(<= ULTIMATE.start_main_~y~4 87), 35980#(<= ULTIMATE.start_main_~y~4 88), 35981#(<= ULTIMATE.start_main_~y~4 89), 35982#(<= ULTIMATE.start_main_~y~4 90), 35983#(<= ULTIMATE.start_main_~y~4 91), 35984#(<= ULTIMATE.start_main_~y~4 92), 35985#(<= ULTIMATE.start_main_~y~4 93), 35986#(<= ULTIMATE.start_main_~y~4 94), 35987#(<= ULTIMATE.start_main_~y~4 95), 35988#(<= ULTIMATE.start_main_~y~4 96), 35989#(<= ULTIMATE.start_main_~y~4 97), 35990#(<= ULTIMATE.start_main_~y~4 98), 35991#(<= ULTIMATE.start_main_~y~4 99), 35992#(<= ULTIMATE.start_main_~y~4 100), 35993#(<= ULTIMATE.start_main_~y~4 101), 35994#(<= ULTIMATE.start_main_~y~4 102), 35995#(<= ULTIMATE.start_main_~y~4 103), 35996#(<= ULTIMATE.start_main_~y~4 104), 35997#(<= ULTIMATE.start_main_~y~4 105), 35998#(<= ULTIMATE.start_main_~y~4 106), 35999#(<= ULTIMATE.start_main_~y~4 107), 36000#(<= ULTIMATE.start_main_~y~4 108), 36001#(<= ULTIMATE.start_main_~y~4 109), 36002#(<= ULTIMATE.start_main_~y~4 110), 36003#(<= ULTIMATE.start_main_~y~4 111), 36004#(<= ULTIMATE.start_main_~y~4 112), 36005#(<= ULTIMATE.start_main_~y~4 113), 36006#(<= ULTIMATE.start_main_~y~4 114), 36007#(<= ULTIMATE.start_main_~y~4 115)] [2018-07-23 13:37:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:55,183 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:37:55,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:37:55,185 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:37:55,185 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 118 states. [2018-07-23 13:37:55,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:55,362 INFO L93 Difference]: Finished difference Result 122 states and 122 transitions. [2018-07-23 13:37:55,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:37:55,362 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 118 [2018-07-23 13:37:55,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:55,363 INFO L225 Difference]: With dead ends: 122 [2018-07-23 13:37:55,363 INFO L226 Difference]: Without dead ends: 120 [2018-07-23 13:37:55,364 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:37:55,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-07-23 13:37:55,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-07-23 13:37:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-07-23 13:37:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-07-23 13:37:55,367 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 118 [2018-07-23 13:37:55,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:55,368 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-07-23 13:37:55,368 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:37:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-07-23 13:37:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-23 13:37:55,368 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:55,369 INFO L357 BasicCegarLoop]: trace histogram [116, 1, 1, 1] [2018-07-23 13:37:55,369 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:55,369 INFO L82 PathProgramCache]: Analyzing trace with hash -982235581, now seen corresponding path program 116 times [2018-07-23 13:37:55,369 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:55,708 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:55,708 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:37:55,708 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:55,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:55,708 INFO L185 omatonBuilderFactory]: Interpolants [36608#(<= ULTIMATE.start_main_~y~4 114), 36609#(<= ULTIMATE.start_main_~y~4 115), 36610#(<= ULTIMATE.start_main_~y~4 116), 36492#true, 36493#false, 36494#(<= ULTIMATE.start_main_~y~4 0), 36495#(<= ULTIMATE.start_main_~y~4 1), 36496#(<= ULTIMATE.start_main_~y~4 2), 36497#(<= ULTIMATE.start_main_~y~4 3), 36498#(<= ULTIMATE.start_main_~y~4 4), 36499#(<= ULTIMATE.start_main_~y~4 5), 36500#(<= ULTIMATE.start_main_~y~4 6), 36501#(<= ULTIMATE.start_main_~y~4 7), 36502#(<= ULTIMATE.start_main_~y~4 8), 36503#(<= ULTIMATE.start_main_~y~4 9), 36504#(<= ULTIMATE.start_main_~y~4 10), 36505#(<= ULTIMATE.start_main_~y~4 11), 36506#(<= ULTIMATE.start_main_~y~4 12), 36507#(<= ULTIMATE.start_main_~y~4 13), 36508#(<= ULTIMATE.start_main_~y~4 14), 36509#(<= ULTIMATE.start_main_~y~4 15), 36510#(<= ULTIMATE.start_main_~y~4 16), 36511#(<= ULTIMATE.start_main_~y~4 17), 36512#(<= ULTIMATE.start_main_~y~4 18), 36513#(<= ULTIMATE.start_main_~y~4 19), 36514#(<= ULTIMATE.start_main_~y~4 20), 36515#(<= ULTIMATE.start_main_~y~4 21), 36516#(<= ULTIMATE.start_main_~y~4 22), 36517#(<= ULTIMATE.start_main_~y~4 23), 36518#(<= ULTIMATE.start_main_~y~4 24), 36519#(<= ULTIMATE.start_main_~y~4 25), 36520#(<= ULTIMATE.start_main_~y~4 26), 36521#(<= ULTIMATE.start_main_~y~4 27), 36522#(<= ULTIMATE.start_main_~y~4 28), 36523#(<= ULTIMATE.start_main_~y~4 29), 36524#(<= ULTIMATE.start_main_~y~4 30), 36525#(<= ULTIMATE.start_main_~y~4 31), 36526#(<= ULTIMATE.start_main_~y~4 32), 36527#(<= ULTIMATE.start_main_~y~4 33), 36528#(<= ULTIMATE.start_main_~y~4 34), 36529#(<= ULTIMATE.start_main_~y~4 35), 36530#(<= ULTIMATE.start_main_~y~4 36), 36531#(<= ULTIMATE.start_main_~y~4 37), 36532#(<= ULTIMATE.start_main_~y~4 38), 36533#(<= ULTIMATE.start_main_~y~4 39), 36534#(<= ULTIMATE.start_main_~y~4 40), 36535#(<= ULTIMATE.start_main_~y~4 41), 36536#(<= ULTIMATE.start_main_~y~4 42), 36537#(<= ULTIMATE.start_main_~y~4 43), 36538#(<= ULTIMATE.start_main_~y~4 44), 36539#(<= ULTIMATE.start_main_~y~4 45), 36540#(<= ULTIMATE.start_main_~y~4 46), 36541#(<= ULTIMATE.start_main_~y~4 47), 36542#(<= ULTIMATE.start_main_~y~4 48), 36543#(<= ULTIMATE.start_main_~y~4 49), 36544#(<= ULTIMATE.start_main_~y~4 50), 36545#(<= ULTIMATE.start_main_~y~4 51), 36546#(<= ULTIMATE.start_main_~y~4 52), 36547#(<= ULTIMATE.start_main_~y~4 53), 36548#(<= ULTIMATE.start_main_~y~4 54), 36549#(<= ULTIMATE.start_main_~y~4 55), 36550#(<= ULTIMATE.start_main_~y~4 56), 36551#(<= ULTIMATE.start_main_~y~4 57), 36552#(<= ULTIMATE.start_main_~y~4 58), 36553#(<= ULTIMATE.start_main_~y~4 59), 36554#(<= ULTIMATE.start_main_~y~4 60), 36555#(<= ULTIMATE.start_main_~y~4 61), 36556#(<= ULTIMATE.start_main_~y~4 62), 36557#(<= ULTIMATE.start_main_~y~4 63), 36558#(<= ULTIMATE.start_main_~y~4 64), 36559#(<= ULTIMATE.start_main_~y~4 65), 36560#(<= ULTIMATE.start_main_~y~4 66), 36561#(<= ULTIMATE.start_main_~y~4 67), 36562#(<= ULTIMATE.start_main_~y~4 68), 36563#(<= ULTIMATE.start_main_~y~4 69), 36564#(<= ULTIMATE.start_main_~y~4 70), 36565#(<= ULTIMATE.start_main_~y~4 71), 36566#(<= ULTIMATE.start_main_~y~4 72), 36567#(<= ULTIMATE.start_main_~y~4 73), 36568#(<= ULTIMATE.start_main_~y~4 74), 36569#(<= ULTIMATE.start_main_~y~4 75), 36570#(<= ULTIMATE.start_main_~y~4 76), 36571#(<= ULTIMATE.start_main_~y~4 77), 36572#(<= ULTIMATE.start_main_~y~4 78), 36573#(<= ULTIMATE.start_main_~y~4 79), 36574#(<= ULTIMATE.start_main_~y~4 80), 36575#(<= ULTIMATE.start_main_~y~4 81), 36576#(<= ULTIMATE.start_main_~y~4 82), 36577#(<= ULTIMATE.start_main_~y~4 83), 36578#(<= ULTIMATE.start_main_~y~4 84), 36579#(<= ULTIMATE.start_main_~y~4 85), 36580#(<= ULTIMATE.start_main_~y~4 86), 36581#(<= ULTIMATE.start_main_~y~4 87), 36582#(<= ULTIMATE.start_main_~y~4 88), 36583#(<= ULTIMATE.start_main_~y~4 89), 36584#(<= ULTIMATE.start_main_~y~4 90), 36585#(<= ULTIMATE.start_main_~y~4 91), 36586#(<= ULTIMATE.start_main_~y~4 92), 36587#(<= ULTIMATE.start_main_~y~4 93), 36588#(<= ULTIMATE.start_main_~y~4 94), 36589#(<= ULTIMATE.start_main_~y~4 95), 36590#(<= ULTIMATE.start_main_~y~4 96), 36591#(<= ULTIMATE.start_main_~y~4 97), 36592#(<= ULTIMATE.start_main_~y~4 98), 36593#(<= ULTIMATE.start_main_~y~4 99), 36594#(<= ULTIMATE.start_main_~y~4 100), 36595#(<= ULTIMATE.start_main_~y~4 101), 36596#(<= ULTIMATE.start_main_~y~4 102), 36597#(<= ULTIMATE.start_main_~y~4 103), 36598#(<= ULTIMATE.start_main_~y~4 104), 36599#(<= ULTIMATE.start_main_~y~4 105), 36600#(<= ULTIMATE.start_main_~y~4 106), 36601#(<= ULTIMATE.start_main_~y~4 107), 36602#(<= ULTIMATE.start_main_~y~4 108), 36603#(<= ULTIMATE.start_main_~y~4 109), 36604#(<= ULTIMATE.start_main_~y~4 110), 36605#(<= ULTIMATE.start_main_~y~4 111), 36606#(<= ULTIMATE.start_main_~y~4 112), 36607#(<= ULTIMATE.start_main_~y~4 113)] [2018-07-23 13:37:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:55,709 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:37:55,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:37:55,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:37:55,711 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 119 states. [2018-07-23 13:37:55,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:55,929 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:37:55,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:37:55,929 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 119 [2018-07-23 13:37:55,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:55,930 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:37:55,930 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:37:55,931 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:37:55,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:37:55,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:37:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:37:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:37:55,934 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 119 [2018-07-23 13:37:55,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:55,935 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:37:55,935 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:37:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:37:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:37:55,936 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:55,936 INFO L357 BasicCegarLoop]: trace histogram [117, 1, 1, 1] [2018-07-23 13:37:55,936 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:55,936 INFO L82 PathProgramCache]: Analyzing trace with hash -384530132, now seen corresponding path program 117 times [2018-07-23 13:37:55,936 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:56,403 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:56,403 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:37:56,403 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:56,404 INFO L185 omatonBuilderFactory]: Interpolants [37120#(<= ULTIMATE.start_main_~y~4 19), 37121#(<= ULTIMATE.start_main_~y~4 20), 37122#(<= ULTIMATE.start_main_~y~4 21), 37123#(<= ULTIMATE.start_main_~y~4 22), 37124#(<= ULTIMATE.start_main_~y~4 23), 37125#(<= ULTIMATE.start_main_~y~4 24), 37126#(<= ULTIMATE.start_main_~y~4 25), 37127#(<= ULTIMATE.start_main_~y~4 26), 37128#(<= ULTIMATE.start_main_~y~4 27), 37129#(<= ULTIMATE.start_main_~y~4 28), 37130#(<= ULTIMATE.start_main_~y~4 29), 37131#(<= ULTIMATE.start_main_~y~4 30), 37132#(<= ULTIMATE.start_main_~y~4 31), 37133#(<= ULTIMATE.start_main_~y~4 32), 37134#(<= ULTIMATE.start_main_~y~4 33), 37135#(<= ULTIMATE.start_main_~y~4 34), 37136#(<= ULTIMATE.start_main_~y~4 35), 37137#(<= ULTIMATE.start_main_~y~4 36), 37138#(<= ULTIMATE.start_main_~y~4 37), 37139#(<= ULTIMATE.start_main_~y~4 38), 37140#(<= ULTIMATE.start_main_~y~4 39), 37141#(<= ULTIMATE.start_main_~y~4 40), 37142#(<= ULTIMATE.start_main_~y~4 41), 37143#(<= ULTIMATE.start_main_~y~4 42), 37144#(<= ULTIMATE.start_main_~y~4 43), 37145#(<= ULTIMATE.start_main_~y~4 44), 37146#(<= ULTIMATE.start_main_~y~4 45), 37147#(<= ULTIMATE.start_main_~y~4 46), 37148#(<= ULTIMATE.start_main_~y~4 47), 37149#(<= ULTIMATE.start_main_~y~4 48), 37150#(<= ULTIMATE.start_main_~y~4 49), 37151#(<= ULTIMATE.start_main_~y~4 50), 37152#(<= ULTIMATE.start_main_~y~4 51), 37153#(<= ULTIMATE.start_main_~y~4 52), 37154#(<= ULTIMATE.start_main_~y~4 53), 37155#(<= ULTIMATE.start_main_~y~4 54), 37156#(<= ULTIMATE.start_main_~y~4 55), 37157#(<= ULTIMATE.start_main_~y~4 56), 37158#(<= ULTIMATE.start_main_~y~4 57), 37159#(<= ULTIMATE.start_main_~y~4 58), 37160#(<= ULTIMATE.start_main_~y~4 59), 37161#(<= ULTIMATE.start_main_~y~4 60), 37162#(<= ULTIMATE.start_main_~y~4 61), 37163#(<= ULTIMATE.start_main_~y~4 62), 37164#(<= ULTIMATE.start_main_~y~4 63), 37165#(<= ULTIMATE.start_main_~y~4 64), 37166#(<= ULTIMATE.start_main_~y~4 65), 37167#(<= ULTIMATE.start_main_~y~4 66), 37168#(<= ULTIMATE.start_main_~y~4 67), 37169#(<= ULTIMATE.start_main_~y~4 68), 37170#(<= ULTIMATE.start_main_~y~4 69), 37171#(<= ULTIMATE.start_main_~y~4 70), 37172#(<= ULTIMATE.start_main_~y~4 71), 37173#(<= ULTIMATE.start_main_~y~4 72), 37174#(<= ULTIMATE.start_main_~y~4 73), 37175#(<= ULTIMATE.start_main_~y~4 74), 37176#(<= ULTIMATE.start_main_~y~4 75), 37177#(<= ULTIMATE.start_main_~y~4 76), 37178#(<= ULTIMATE.start_main_~y~4 77), 37179#(<= ULTIMATE.start_main_~y~4 78), 37180#(<= ULTIMATE.start_main_~y~4 79), 37181#(<= ULTIMATE.start_main_~y~4 80), 37182#(<= ULTIMATE.start_main_~y~4 81), 37183#(<= ULTIMATE.start_main_~y~4 82), 37184#(<= ULTIMATE.start_main_~y~4 83), 37185#(<= ULTIMATE.start_main_~y~4 84), 37186#(<= ULTIMATE.start_main_~y~4 85), 37187#(<= ULTIMATE.start_main_~y~4 86), 37188#(<= ULTIMATE.start_main_~y~4 87), 37189#(<= ULTIMATE.start_main_~y~4 88), 37190#(<= ULTIMATE.start_main_~y~4 89), 37191#(<= ULTIMATE.start_main_~y~4 90), 37192#(<= ULTIMATE.start_main_~y~4 91), 37193#(<= ULTIMATE.start_main_~y~4 92), 37194#(<= ULTIMATE.start_main_~y~4 93), 37195#(<= ULTIMATE.start_main_~y~4 94), 37196#(<= ULTIMATE.start_main_~y~4 95), 37197#(<= ULTIMATE.start_main_~y~4 96), 37198#(<= ULTIMATE.start_main_~y~4 97), 37199#(<= ULTIMATE.start_main_~y~4 98), 37200#(<= ULTIMATE.start_main_~y~4 99), 37201#(<= ULTIMATE.start_main_~y~4 100), 37202#(<= ULTIMATE.start_main_~y~4 101), 37203#(<= ULTIMATE.start_main_~y~4 102), 37204#(<= ULTIMATE.start_main_~y~4 103), 37205#(<= ULTIMATE.start_main_~y~4 104), 37206#(<= ULTIMATE.start_main_~y~4 105), 37207#(<= ULTIMATE.start_main_~y~4 106), 37208#(<= ULTIMATE.start_main_~y~4 107), 37209#(<= ULTIMATE.start_main_~y~4 108), 37210#(<= ULTIMATE.start_main_~y~4 109), 37211#(<= ULTIMATE.start_main_~y~4 110), 37212#(<= ULTIMATE.start_main_~y~4 111), 37213#(<= ULTIMATE.start_main_~y~4 112), 37214#(<= ULTIMATE.start_main_~y~4 113), 37215#(<= ULTIMATE.start_main_~y~4 114), 37216#(<= ULTIMATE.start_main_~y~4 115), 37217#(<= ULTIMATE.start_main_~y~4 116), 37218#(<= ULTIMATE.start_main_~y~4 117), 37099#true, 37100#false, 37101#(<= ULTIMATE.start_main_~y~4 0), 37102#(<= ULTIMATE.start_main_~y~4 1), 37103#(<= ULTIMATE.start_main_~y~4 2), 37104#(<= ULTIMATE.start_main_~y~4 3), 37105#(<= ULTIMATE.start_main_~y~4 4), 37106#(<= ULTIMATE.start_main_~y~4 5), 37107#(<= ULTIMATE.start_main_~y~4 6), 37108#(<= ULTIMATE.start_main_~y~4 7), 37109#(<= ULTIMATE.start_main_~y~4 8), 37110#(<= ULTIMATE.start_main_~y~4 9), 37111#(<= ULTIMATE.start_main_~y~4 10), 37112#(<= ULTIMATE.start_main_~y~4 11), 37113#(<= ULTIMATE.start_main_~y~4 12), 37114#(<= ULTIMATE.start_main_~y~4 13), 37115#(<= ULTIMATE.start_main_~y~4 14), 37116#(<= ULTIMATE.start_main_~y~4 15), 37117#(<= ULTIMATE.start_main_~y~4 16), 37118#(<= ULTIMATE.start_main_~y~4 17), 37119#(<= ULTIMATE.start_main_~y~4 18)] [2018-07-23 13:37:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:56,405 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:37:56,406 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:37:56,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:37:56,406 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 120 states. [2018-07-23 13:37:56,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:56,543 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-07-23 13:37:56,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:37:56,543 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 120 [2018-07-23 13:37:56,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:56,544 INFO L225 Difference]: With dead ends: 124 [2018-07-23 13:37:56,544 INFO L226 Difference]: Without dead ends: 122 [2018-07-23 13:37:56,545 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:37:56,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-07-23 13:37:56,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-07-23 13:37:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-07-23 13:37:56,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 122 transitions. [2018-07-23 13:37:56,548 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 122 transitions. Word has length 120 [2018-07-23 13:37:56,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:56,548 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 122 transitions. [2018-07-23 13:37:56,549 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:37:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 122 transitions. [2018-07-23 13:37:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-07-23 13:37:56,549 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:56,549 INFO L357 BasicCegarLoop]: trace histogram [118, 1, 1, 1] [2018-07-23 13:37:56,550 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:56,550 INFO L82 PathProgramCache]: Analyzing trace with hash 964469603, now seen corresponding path program 118 times [2018-07-23 13:37:56,550 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:56,861 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:56,861 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:56,861 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:37:56,861 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:56,862 INFO L185 omatonBuilderFactory]: Interpolants [37711#true, 37712#false, 37713#(<= ULTIMATE.start_main_~y~4 0), 37714#(<= ULTIMATE.start_main_~y~4 1), 37715#(<= ULTIMATE.start_main_~y~4 2), 37716#(<= ULTIMATE.start_main_~y~4 3), 37717#(<= ULTIMATE.start_main_~y~4 4), 37718#(<= ULTIMATE.start_main_~y~4 5), 37719#(<= ULTIMATE.start_main_~y~4 6), 37720#(<= ULTIMATE.start_main_~y~4 7), 37721#(<= ULTIMATE.start_main_~y~4 8), 37722#(<= ULTIMATE.start_main_~y~4 9), 37723#(<= ULTIMATE.start_main_~y~4 10), 37724#(<= ULTIMATE.start_main_~y~4 11), 37725#(<= ULTIMATE.start_main_~y~4 12), 37726#(<= ULTIMATE.start_main_~y~4 13), 37727#(<= ULTIMATE.start_main_~y~4 14), 37728#(<= ULTIMATE.start_main_~y~4 15), 37729#(<= ULTIMATE.start_main_~y~4 16), 37730#(<= ULTIMATE.start_main_~y~4 17), 37731#(<= ULTIMATE.start_main_~y~4 18), 37732#(<= ULTIMATE.start_main_~y~4 19), 37733#(<= ULTIMATE.start_main_~y~4 20), 37734#(<= ULTIMATE.start_main_~y~4 21), 37735#(<= ULTIMATE.start_main_~y~4 22), 37736#(<= ULTIMATE.start_main_~y~4 23), 37737#(<= ULTIMATE.start_main_~y~4 24), 37738#(<= ULTIMATE.start_main_~y~4 25), 37739#(<= ULTIMATE.start_main_~y~4 26), 37740#(<= ULTIMATE.start_main_~y~4 27), 37741#(<= ULTIMATE.start_main_~y~4 28), 37742#(<= ULTIMATE.start_main_~y~4 29), 37743#(<= ULTIMATE.start_main_~y~4 30), 37744#(<= ULTIMATE.start_main_~y~4 31), 37745#(<= ULTIMATE.start_main_~y~4 32), 37746#(<= ULTIMATE.start_main_~y~4 33), 37747#(<= ULTIMATE.start_main_~y~4 34), 37748#(<= ULTIMATE.start_main_~y~4 35), 37749#(<= ULTIMATE.start_main_~y~4 36), 37750#(<= ULTIMATE.start_main_~y~4 37), 37751#(<= ULTIMATE.start_main_~y~4 38), 37752#(<= ULTIMATE.start_main_~y~4 39), 37753#(<= ULTIMATE.start_main_~y~4 40), 37754#(<= ULTIMATE.start_main_~y~4 41), 37755#(<= ULTIMATE.start_main_~y~4 42), 37756#(<= ULTIMATE.start_main_~y~4 43), 37757#(<= ULTIMATE.start_main_~y~4 44), 37758#(<= ULTIMATE.start_main_~y~4 45), 37759#(<= ULTIMATE.start_main_~y~4 46), 37760#(<= ULTIMATE.start_main_~y~4 47), 37761#(<= ULTIMATE.start_main_~y~4 48), 37762#(<= ULTIMATE.start_main_~y~4 49), 37763#(<= ULTIMATE.start_main_~y~4 50), 37764#(<= ULTIMATE.start_main_~y~4 51), 37765#(<= ULTIMATE.start_main_~y~4 52), 37766#(<= ULTIMATE.start_main_~y~4 53), 37767#(<= ULTIMATE.start_main_~y~4 54), 37768#(<= ULTIMATE.start_main_~y~4 55), 37769#(<= ULTIMATE.start_main_~y~4 56), 37770#(<= ULTIMATE.start_main_~y~4 57), 37771#(<= ULTIMATE.start_main_~y~4 58), 37772#(<= ULTIMATE.start_main_~y~4 59), 37773#(<= ULTIMATE.start_main_~y~4 60), 37774#(<= ULTIMATE.start_main_~y~4 61), 37775#(<= ULTIMATE.start_main_~y~4 62), 37776#(<= ULTIMATE.start_main_~y~4 63), 37777#(<= ULTIMATE.start_main_~y~4 64), 37778#(<= ULTIMATE.start_main_~y~4 65), 37779#(<= ULTIMATE.start_main_~y~4 66), 37780#(<= ULTIMATE.start_main_~y~4 67), 37781#(<= ULTIMATE.start_main_~y~4 68), 37782#(<= ULTIMATE.start_main_~y~4 69), 37783#(<= ULTIMATE.start_main_~y~4 70), 37784#(<= ULTIMATE.start_main_~y~4 71), 37785#(<= ULTIMATE.start_main_~y~4 72), 37786#(<= ULTIMATE.start_main_~y~4 73), 37787#(<= ULTIMATE.start_main_~y~4 74), 37788#(<= ULTIMATE.start_main_~y~4 75), 37789#(<= ULTIMATE.start_main_~y~4 76), 37790#(<= ULTIMATE.start_main_~y~4 77), 37791#(<= ULTIMATE.start_main_~y~4 78), 37792#(<= ULTIMATE.start_main_~y~4 79), 37793#(<= ULTIMATE.start_main_~y~4 80), 37794#(<= ULTIMATE.start_main_~y~4 81), 37795#(<= ULTIMATE.start_main_~y~4 82), 37796#(<= ULTIMATE.start_main_~y~4 83), 37797#(<= ULTIMATE.start_main_~y~4 84), 37798#(<= ULTIMATE.start_main_~y~4 85), 37799#(<= ULTIMATE.start_main_~y~4 86), 37800#(<= ULTIMATE.start_main_~y~4 87), 37801#(<= ULTIMATE.start_main_~y~4 88), 37802#(<= ULTIMATE.start_main_~y~4 89), 37803#(<= ULTIMATE.start_main_~y~4 90), 37804#(<= ULTIMATE.start_main_~y~4 91), 37805#(<= ULTIMATE.start_main_~y~4 92), 37806#(<= ULTIMATE.start_main_~y~4 93), 37807#(<= ULTIMATE.start_main_~y~4 94), 37808#(<= ULTIMATE.start_main_~y~4 95), 37809#(<= ULTIMATE.start_main_~y~4 96), 37810#(<= ULTIMATE.start_main_~y~4 97), 37811#(<= ULTIMATE.start_main_~y~4 98), 37812#(<= ULTIMATE.start_main_~y~4 99), 37813#(<= ULTIMATE.start_main_~y~4 100), 37814#(<= ULTIMATE.start_main_~y~4 101), 37815#(<= ULTIMATE.start_main_~y~4 102), 37816#(<= ULTIMATE.start_main_~y~4 103), 37817#(<= ULTIMATE.start_main_~y~4 104), 37818#(<= ULTIMATE.start_main_~y~4 105), 37819#(<= ULTIMATE.start_main_~y~4 106), 37820#(<= ULTIMATE.start_main_~y~4 107), 37821#(<= ULTIMATE.start_main_~y~4 108), 37822#(<= ULTIMATE.start_main_~y~4 109), 37823#(<= ULTIMATE.start_main_~y~4 110), 37824#(<= ULTIMATE.start_main_~y~4 111), 37825#(<= ULTIMATE.start_main_~y~4 112), 37826#(<= ULTIMATE.start_main_~y~4 113), 37827#(<= ULTIMATE.start_main_~y~4 114), 37828#(<= ULTIMATE.start_main_~y~4 115), 37829#(<= ULTIMATE.start_main_~y~4 116), 37830#(<= ULTIMATE.start_main_~y~4 117), 37831#(<= ULTIMATE.start_main_~y~4 118)] [2018-07-23 13:37:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:56,863 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:37:56,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:37:56,864 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:37:56,865 INFO L87 Difference]: Start difference. First operand 122 states and 122 transitions. Second operand 121 states. [2018-07-23 13:37:56,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:56,996 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:37:56,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:37:56,996 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 121 [2018-07-23 13:37:56,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:56,997 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:37:56,997 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:37:56,998 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:37:56,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:37:57,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:37:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:37:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:37:57,001 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 121 [2018-07-23 13:37:57,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:57,001 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:37:57,001 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:37:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:37:57,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:37:57,002 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:57,002 INFO L357 BasicCegarLoop]: trace histogram [119, 1, 1, 1] [2018-07-23 13:37:57,002 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:57,002 INFO L82 PathProgramCache]: Analyzing trace with hash -166211572, now seen corresponding path program 119 times [2018-07-23 13:37:57,003 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:57,540 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:57,540 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:37:57,540 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:57,541 INFO L185 omatonBuilderFactory]: Interpolants [38400#(<= ULTIMATE.start_main_~y~4 70), 38401#(<= ULTIMATE.start_main_~y~4 71), 38402#(<= ULTIMATE.start_main_~y~4 72), 38403#(<= ULTIMATE.start_main_~y~4 73), 38404#(<= ULTIMATE.start_main_~y~4 74), 38405#(<= ULTIMATE.start_main_~y~4 75), 38406#(<= ULTIMATE.start_main_~y~4 76), 38407#(<= ULTIMATE.start_main_~y~4 77), 38408#(<= ULTIMATE.start_main_~y~4 78), 38409#(<= ULTIMATE.start_main_~y~4 79), 38410#(<= ULTIMATE.start_main_~y~4 80), 38411#(<= ULTIMATE.start_main_~y~4 81), 38412#(<= ULTIMATE.start_main_~y~4 82), 38413#(<= ULTIMATE.start_main_~y~4 83), 38414#(<= ULTIMATE.start_main_~y~4 84), 38415#(<= ULTIMATE.start_main_~y~4 85), 38416#(<= ULTIMATE.start_main_~y~4 86), 38417#(<= ULTIMATE.start_main_~y~4 87), 38418#(<= ULTIMATE.start_main_~y~4 88), 38419#(<= ULTIMATE.start_main_~y~4 89), 38420#(<= ULTIMATE.start_main_~y~4 90), 38421#(<= ULTIMATE.start_main_~y~4 91), 38422#(<= ULTIMATE.start_main_~y~4 92), 38423#(<= ULTIMATE.start_main_~y~4 93), 38424#(<= ULTIMATE.start_main_~y~4 94), 38425#(<= ULTIMATE.start_main_~y~4 95), 38426#(<= ULTIMATE.start_main_~y~4 96), 38427#(<= ULTIMATE.start_main_~y~4 97), 38428#(<= ULTIMATE.start_main_~y~4 98), 38429#(<= ULTIMATE.start_main_~y~4 99), 38430#(<= ULTIMATE.start_main_~y~4 100), 38431#(<= ULTIMATE.start_main_~y~4 101), 38432#(<= ULTIMATE.start_main_~y~4 102), 38433#(<= ULTIMATE.start_main_~y~4 103), 38434#(<= ULTIMATE.start_main_~y~4 104), 38435#(<= ULTIMATE.start_main_~y~4 105), 38436#(<= ULTIMATE.start_main_~y~4 106), 38437#(<= ULTIMATE.start_main_~y~4 107), 38438#(<= ULTIMATE.start_main_~y~4 108), 38439#(<= ULTIMATE.start_main_~y~4 109), 38440#(<= ULTIMATE.start_main_~y~4 110), 38441#(<= ULTIMATE.start_main_~y~4 111), 38442#(<= ULTIMATE.start_main_~y~4 112), 38443#(<= ULTIMATE.start_main_~y~4 113), 38444#(<= ULTIMATE.start_main_~y~4 114), 38445#(<= ULTIMATE.start_main_~y~4 115), 38446#(<= ULTIMATE.start_main_~y~4 116), 38447#(<= ULTIMATE.start_main_~y~4 117), 38448#(<= ULTIMATE.start_main_~y~4 118), 38449#(<= ULTIMATE.start_main_~y~4 119), 38328#true, 38329#false, 38330#(<= ULTIMATE.start_main_~y~4 0), 38331#(<= ULTIMATE.start_main_~y~4 1), 38332#(<= ULTIMATE.start_main_~y~4 2), 38333#(<= ULTIMATE.start_main_~y~4 3), 38334#(<= ULTIMATE.start_main_~y~4 4), 38335#(<= ULTIMATE.start_main_~y~4 5), 38336#(<= ULTIMATE.start_main_~y~4 6), 38337#(<= ULTIMATE.start_main_~y~4 7), 38338#(<= ULTIMATE.start_main_~y~4 8), 38339#(<= ULTIMATE.start_main_~y~4 9), 38340#(<= ULTIMATE.start_main_~y~4 10), 38341#(<= ULTIMATE.start_main_~y~4 11), 38342#(<= ULTIMATE.start_main_~y~4 12), 38343#(<= ULTIMATE.start_main_~y~4 13), 38344#(<= ULTIMATE.start_main_~y~4 14), 38345#(<= ULTIMATE.start_main_~y~4 15), 38346#(<= ULTIMATE.start_main_~y~4 16), 38347#(<= ULTIMATE.start_main_~y~4 17), 38348#(<= ULTIMATE.start_main_~y~4 18), 38349#(<= ULTIMATE.start_main_~y~4 19), 38350#(<= ULTIMATE.start_main_~y~4 20), 38351#(<= ULTIMATE.start_main_~y~4 21), 38352#(<= ULTIMATE.start_main_~y~4 22), 38353#(<= ULTIMATE.start_main_~y~4 23), 38354#(<= ULTIMATE.start_main_~y~4 24), 38355#(<= ULTIMATE.start_main_~y~4 25), 38356#(<= ULTIMATE.start_main_~y~4 26), 38357#(<= ULTIMATE.start_main_~y~4 27), 38358#(<= ULTIMATE.start_main_~y~4 28), 38359#(<= ULTIMATE.start_main_~y~4 29), 38360#(<= ULTIMATE.start_main_~y~4 30), 38361#(<= ULTIMATE.start_main_~y~4 31), 38362#(<= ULTIMATE.start_main_~y~4 32), 38363#(<= ULTIMATE.start_main_~y~4 33), 38364#(<= ULTIMATE.start_main_~y~4 34), 38365#(<= ULTIMATE.start_main_~y~4 35), 38366#(<= ULTIMATE.start_main_~y~4 36), 38367#(<= ULTIMATE.start_main_~y~4 37), 38368#(<= ULTIMATE.start_main_~y~4 38), 38369#(<= ULTIMATE.start_main_~y~4 39), 38370#(<= ULTIMATE.start_main_~y~4 40), 38371#(<= ULTIMATE.start_main_~y~4 41), 38372#(<= ULTIMATE.start_main_~y~4 42), 38373#(<= ULTIMATE.start_main_~y~4 43), 38374#(<= ULTIMATE.start_main_~y~4 44), 38375#(<= ULTIMATE.start_main_~y~4 45), 38376#(<= ULTIMATE.start_main_~y~4 46), 38377#(<= ULTIMATE.start_main_~y~4 47), 38378#(<= ULTIMATE.start_main_~y~4 48), 38379#(<= ULTIMATE.start_main_~y~4 49), 38380#(<= ULTIMATE.start_main_~y~4 50), 38381#(<= ULTIMATE.start_main_~y~4 51), 38382#(<= ULTIMATE.start_main_~y~4 52), 38383#(<= ULTIMATE.start_main_~y~4 53), 38384#(<= ULTIMATE.start_main_~y~4 54), 38385#(<= ULTIMATE.start_main_~y~4 55), 38386#(<= ULTIMATE.start_main_~y~4 56), 38387#(<= ULTIMATE.start_main_~y~4 57), 38388#(<= ULTIMATE.start_main_~y~4 58), 38389#(<= ULTIMATE.start_main_~y~4 59), 38390#(<= ULTIMATE.start_main_~y~4 60), 38391#(<= ULTIMATE.start_main_~y~4 61), 38392#(<= ULTIMATE.start_main_~y~4 62), 38393#(<= ULTIMATE.start_main_~y~4 63), 38394#(<= ULTIMATE.start_main_~y~4 64), 38395#(<= ULTIMATE.start_main_~y~4 65), 38396#(<= ULTIMATE.start_main_~y~4 66), 38397#(<= ULTIMATE.start_main_~y~4 67), 38398#(<= ULTIMATE.start_main_~y~4 68), 38399#(<= ULTIMATE.start_main_~y~4 69)] [2018-07-23 13:37:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:57,541 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:37:57,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:37:57,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:37:57,543 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 122 states. [2018-07-23 13:37:57,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:57,606 INFO L93 Difference]: Finished difference Result 126 states and 126 transitions. [2018-07-23 13:37:57,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:37:57,607 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 122 [2018-07-23 13:37:57,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:57,607 INFO L225 Difference]: With dead ends: 126 [2018-07-23 13:37:57,607 INFO L226 Difference]: Without dead ends: 124 [2018-07-23 13:37:57,608 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:37:57,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-07-23 13:37:57,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-07-23 13:37:57,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-07-23 13:37:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2018-07-23 13:37:57,611 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 122 [2018-07-23 13:37:57,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:57,611 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2018-07-23 13:37:57,611 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:37:57,611 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2018-07-23 13:37:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-07-23 13:37:57,612 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:57,612 INFO L357 BasicCegarLoop]: trace histogram [120, 1, 1, 1] [2018-07-23 13:37:57,612 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:57,613 INFO L82 PathProgramCache]: Analyzing trace with hash -857589629, now seen corresponding path program 120 times [2018-07-23 13:37:57,613 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:58,132 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:58,132 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:37:58,132 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:58,133 INFO L185 omatonBuilderFactory]: Interpolants [38950#true, 38951#false, 38952#(<= ULTIMATE.start_main_~y~4 0), 38953#(<= ULTIMATE.start_main_~y~4 1), 38954#(<= ULTIMATE.start_main_~y~4 2), 38955#(<= ULTIMATE.start_main_~y~4 3), 38956#(<= ULTIMATE.start_main_~y~4 4), 38957#(<= ULTIMATE.start_main_~y~4 5), 38958#(<= ULTIMATE.start_main_~y~4 6), 38959#(<= ULTIMATE.start_main_~y~4 7), 38960#(<= ULTIMATE.start_main_~y~4 8), 38961#(<= ULTIMATE.start_main_~y~4 9), 38962#(<= ULTIMATE.start_main_~y~4 10), 38963#(<= ULTIMATE.start_main_~y~4 11), 38964#(<= ULTIMATE.start_main_~y~4 12), 38965#(<= ULTIMATE.start_main_~y~4 13), 38966#(<= ULTIMATE.start_main_~y~4 14), 38967#(<= ULTIMATE.start_main_~y~4 15), 38968#(<= ULTIMATE.start_main_~y~4 16), 38969#(<= ULTIMATE.start_main_~y~4 17), 38970#(<= ULTIMATE.start_main_~y~4 18), 38971#(<= ULTIMATE.start_main_~y~4 19), 38972#(<= ULTIMATE.start_main_~y~4 20), 38973#(<= ULTIMATE.start_main_~y~4 21), 38974#(<= ULTIMATE.start_main_~y~4 22), 38975#(<= ULTIMATE.start_main_~y~4 23), 38976#(<= ULTIMATE.start_main_~y~4 24), 38977#(<= ULTIMATE.start_main_~y~4 25), 38978#(<= ULTIMATE.start_main_~y~4 26), 38979#(<= ULTIMATE.start_main_~y~4 27), 38980#(<= ULTIMATE.start_main_~y~4 28), 38981#(<= ULTIMATE.start_main_~y~4 29), 38982#(<= ULTIMATE.start_main_~y~4 30), 38983#(<= ULTIMATE.start_main_~y~4 31), 38984#(<= ULTIMATE.start_main_~y~4 32), 38985#(<= ULTIMATE.start_main_~y~4 33), 38986#(<= ULTIMATE.start_main_~y~4 34), 38987#(<= ULTIMATE.start_main_~y~4 35), 38988#(<= ULTIMATE.start_main_~y~4 36), 38989#(<= ULTIMATE.start_main_~y~4 37), 38990#(<= ULTIMATE.start_main_~y~4 38), 38991#(<= ULTIMATE.start_main_~y~4 39), 38992#(<= ULTIMATE.start_main_~y~4 40), 38993#(<= ULTIMATE.start_main_~y~4 41), 38994#(<= ULTIMATE.start_main_~y~4 42), 38995#(<= ULTIMATE.start_main_~y~4 43), 38996#(<= ULTIMATE.start_main_~y~4 44), 38997#(<= ULTIMATE.start_main_~y~4 45), 38998#(<= ULTIMATE.start_main_~y~4 46), 38999#(<= ULTIMATE.start_main_~y~4 47), 39000#(<= ULTIMATE.start_main_~y~4 48), 39001#(<= ULTIMATE.start_main_~y~4 49), 39002#(<= ULTIMATE.start_main_~y~4 50), 39003#(<= ULTIMATE.start_main_~y~4 51), 39004#(<= ULTIMATE.start_main_~y~4 52), 39005#(<= ULTIMATE.start_main_~y~4 53), 39006#(<= ULTIMATE.start_main_~y~4 54), 39007#(<= ULTIMATE.start_main_~y~4 55), 39008#(<= ULTIMATE.start_main_~y~4 56), 39009#(<= ULTIMATE.start_main_~y~4 57), 39010#(<= ULTIMATE.start_main_~y~4 58), 39011#(<= ULTIMATE.start_main_~y~4 59), 39012#(<= ULTIMATE.start_main_~y~4 60), 39013#(<= ULTIMATE.start_main_~y~4 61), 39014#(<= ULTIMATE.start_main_~y~4 62), 39015#(<= ULTIMATE.start_main_~y~4 63), 39016#(<= ULTIMATE.start_main_~y~4 64), 39017#(<= ULTIMATE.start_main_~y~4 65), 39018#(<= ULTIMATE.start_main_~y~4 66), 39019#(<= ULTIMATE.start_main_~y~4 67), 39020#(<= ULTIMATE.start_main_~y~4 68), 39021#(<= ULTIMATE.start_main_~y~4 69), 39022#(<= ULTIMATE.start_main_~y~4 70), 39023#(<= ULTIMATE.start_main_~y~4 71), 39024#(<= ULTIMATE.start_main_~y~4 72), 39025#(<= ULTIMATE.start_main_~y~4 73), 39026#(<= ULTIMATE.start_main_~y~4 74), 39027#(<= ULTIMATE.start_main_~y~4 75), 39028#(<= ULTIMATE.start_main_~y~4 76), 39029#(<= ULTIMATE.start_main_~y~4 77), 39030#(<= ULTIMATE.start_main_~y~4 78), 39031#(<= ULTIMATE.start_main_~y~4 79), 39032#(<= ULTIMATE.start_main_~y~4 80), 39033#(<= ULTIMATE.start_main_~y~4 81), 39034#(<= ULTIMATE.start_main_~y~4 82), 39035#(<= ULTIMATE.start_main_~y~4 83), 39036#(<= ULTIMATE.start_main_~y~4 84), 39037#(<= ULTIMATE.start_main_~y~4 85), 39038#(<= ULTIMATE.start_main_~y~4 86), 39039#(<= ULTIMATE.start_main_~y~4 87), 39040#(<= ULTIMATE.start_main_~y~4 88), 39041#(<= ULTIMATE.start_main_~y~4 89), 39042#(<= ULTIMATE.start_main_~y~4 90), 39043#(<= ULTIMATE.start_main_~y~4 91), 39044#(<= ULTIMATE.start_main_~y~4 92), 39045#(<= ULTIMATE.start_main_~y~4 93), 39046#(<= ULTIMATE.start_main_~y~4 94), 39047#(<= ULTIMATE.start_main_~y~4 95), 39048#(<= ULTIMATE.start_main_~y~4 96), 39049#(<= ULTIMATE.start_main_~y~4 97), 39050#(<= ULTIMATE.start_main_~y~4 98), 39051#(<= ULTIMATE.start_main_~y~4 99), 39052#(<= ULTIMATE.start_main_~y~4 100), 39053#(<= ULTIMATE.start_main_~y~4 101), 39054#(<= ULTIMATE.start_main_~y~4 102), 39055#(<= ULTIMATE.start_main_~y~4 103), 39056#(<= ULTIMATE.start_main_~y~4 104), 39057#(<= ULTIMATE.start_main_~y~4 105), 39058#(<= ULTIMATE.start_main_~y~4 106), 39059#(<= ULTIMATE.start_main_~y~4 107), 39060#(<= ULTIMATE.start_main_~y~4 108), 39061#(<= ULTIMATE.start_main_~y~4 109), 39062#(<= ULTIMATE.start_main_~y~4 110), 39063#(<= ULTIMATE.start_main_~y~4 111), 39064#(<= ULTIMATE.start_main_~y~4 112), 39065#(<= ULTIMATE.start_main_~y~4 113), 39066#(<= ULTIMATE.start_main_~y~4 114), 39067#(<= ULTIMATE.start_main_~y~4 115), 39068#(<= ULTIMATE.start_main_~y~4 116), 39069#(<= ULTIMATE.start_main_~y~4 117), 39070#(<= ULTIMATE.start_main_~y~4 118), 39071#(<= ULTIMATE.start_main_~y~4 119), 39072#(<= ULTIMATE.start_main_~y~4 120)] [2018-07-23 13:37:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:58,133 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:37:58,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:37:58,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:37:58,135 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 123 states. [2018-07-23 13:37:58,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:58,311 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:37:58,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:37:58,311 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 123 [2018-07-23 13:37:58,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:58,312 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:37:58,312 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:37:58,313 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:37:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:37:58,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:37:58,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:37:58,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:37:58,316 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 123 [2018-07-23 13:37:58,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:58,316 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:37:58,316 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:37:58,317 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:37:58,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:37:58,317 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:58,317 INFO L357 BasicCegarLoop]: trace histogram [121, 1, 1, 1] [2018-07-23 13:37:58,317 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:58,318 INFO L82 PathProgramCache]: Analyzing trace with hash -815472916, now seen corresponding path program 121 times [2018-07-23 13:37:58,318 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:58,693 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:58,693 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:37:58,694 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:58,694 INFO L185 omatonBuilderFactory]: Interpolants [39680#(<= ULTIMATE.start_main_~y~4 101), 39681#(<= ULTIMATE.start_main_~y~4 102), 39682#(<= ULTIMATE.start_main_~y~4 103), 39683#(<= ULTIMATE.start_main_~y~4 104), 39684#(<= ULTIMATE.start_main_~y~4 105), 39685#(<= ULTIMATE.start_main_~y~4 106), 39686#(<= ULTIMATE.start_main_~y~4 107), 39687#(<= ULTIMATE.start_main_~y~4 108), 39688#(<= ULTIMATE.start_main_~y~4 109), 39689#(<= ULTIMATE.start_main_~y~4 110), 39690#(<= ULTIMATE.start_main_~y~4 111), 39691#(<= ULTIMATE.start_main_~y~4 112), 39692#(<= ULTIMATE.start_main_~y~4 113), 39693#(<= ULTIMATE.start_main_~y~4 114), 39694#(<= ULTIMATE.start_main_~y~4 115), 39695#(<= ULTIMATE.start_main_~y~4 116), 39696#(<= ULTIMATE.start_main_~y~4 117), 39697#(<= ULTIMATE.start_main_~y~4 118), 39698#(<= ULTIMATE.start_main_~y~4 119), 39699#(<= ULTIMATE.start_main_~y~4 120), 39700#(<= ULTIMATE.start_main_~y~4 121), 39577#true, 39578#false, 39579#(<= ULTIMATE.start_main_~y~4 0), 39580#(<= ULTIMATE.start_main_~y~4 1), 39581#(<= ULTIMATE.start_main_~y~4 2), 39582#(<= ULTIMATE.start_main_~y~4 3), 39583#(<= ULTIMATE.start_main_~y~4 4), 39584#(<= ULTIMATE.start_main_~y~4 5), 39585#(<= ULTIMATE.start_main_~y~4 6), 39586#(<= ULTIMATE.start_main_~y~4 7), 39587#(<= ULTIMATE.start_main_~y~4 8), 39588#(<= ULTIMATE.start_main_~y~4 9), 39589#(<= ULTIMATE.start_main_~y~4 10), 39590#(<= ULTIMATE.start_main_~y~4 11), 39591#(<= ULTIMATE.start_main_~y~4 12), 39592#(<= ULTIMATE.start_main_~y~4 13), 39593#(<= ULTIMATE.start_main_~y~4 14), 39594#(<= ULTIMATE.start_main_~y~4 15), 39595#(<= ULTIMATE.start_main_~y~4 16), 39596#(<= ULTIMATE.start_main_~y~4 17), 39597#(<= ULTIMATE.start_main_~y~4 18), 39598#(<= ULTIMATE.start_main_~y~4 19), 39599#(<= ULTIMATE.start_main_~y~4 20), 39600#(<= ULTIMATE.start_main_~y~4 21), 39601#(<= ULTIMATE.start_main_~y~4 22), 39602#(<= ULTIMATE.start_main_~y~4 23), 39603#(<= ULTIMATE.start_main_~y~4 24), 39604#(<= ULTIMATE.start_main_~y~4 25), 39605#(<= ULTIMATE.start_main_~y~4 26), 39606#(<= ULTIMATE.start_main_~y~4 27), 39607#(<= ULTIMATE.start_main_~y~4 28), 39608#(<= ULTIMATE.start_main_~y~4 29), 39609#(<= ULTIMATE.start_main_~y~4 30), 39610#(<= ULTIMATE.start_main_~y~4 31), 39611#(<= ULTIMATE.start_main_~y~4 32), 39612#(<= ULTIMATE.start_main_~y~4 33), 39613#(<= ULTIMATE.start_main_~y~4 34), 39614#(<= ULTIMATE.start_main_~y~4 35), 39615#(<= ULTIMATE.start_main_~y~4 36), 39616#(<= ULTIMATE.start_main_~y~4 37), 39617#(<= ULTIMATE.start_main_~y~4 38), 39618#(<= ULTIMATE.start_main_~y~4 39), 39619#(<= ULTIMATE.start_main_~y~4 40), 39620#(<= ULTIMATE.start_main_~y~4 41), 39621#(<= ULTIMATE.start_main_~y~4 42), 39622#(<= ULTIMATE.start_main_~y~4 43), 39623#(<= ULTIMATE.start_main_~y~4 44), 39624#(<= ULTIMATE.start_main_~y~4 45), 39625#(<= ULTIMATE.start_main_~y~4 46), 39626#(<= ULTIMATE.start_main_~y~4 47), 39627#(<= ULTIMATE.start_main_~y~4 48), 39628#(<= ULTIMATE.start_main_~y~4 49), 39629#(<= ULTIMATE.start_main_~y~4 50), 39630#(<= ULTIMATE.start_main_~y~4 51), 39631#(<= ULTIMATE.start_main_~y~4 52), 39632#(<= ULTIMATE.start_main_~y~4 53), 39633#(<= ULTIMATE.start_main_~y~4 54), 39634#(<= ULTIMATE.start_main_~y~4 55), 39635#(<= ULTIMATE.start_main_~y~4 56), 39636#(<= ULTIMATE.start_main_~y~4 57), 39637#(<= ULTIMATE.start_main_~y~4 58), 39638#(<= ULTIMATE.start_main_~y~4 59), 39639#(<= ULTIMATE.start_main_~y~4 60), 39640#(<= ULTIMATE.start_main_~y~4 61), 39641#(<= ULTIMATE.start_main_~y~4 62), 39642#(<= ULTIMATE.start_main_~y~4 63), 39643#(<= ULTIMATE.start_main_~y~4 64), 39644#(<= ULTIMATE.start_main_~y~4 65), 39645#(<= ULTIMATE.start_main_~y~4 66), 39646#(<= ULTIMATE.start_main_~y~4 67), 39647#(<= ULTIMATE.start_main_~y~4 68), 39648#(<= ULTIMATE.start_main_~y~4 69), 39649#(<= ULTIMATE.start_main_~y~4 70), 39650#(<= ULTIMATE.start_main_~y~4 71), 39651#(<= ULTIMATE.start_main_~y~4 72), 39652#(<= ULTIMATE.start_main_~y~4 73), 39653#(<= ULTIMATE.start_main_~y~4 74), 39654#(<= ULTIMATE.start_main_~y~4 75), 39655#(<= ULTIMATE.start_main_~y~4 76), 39656#(<= ULTIMATE.start_main_~y~4 77), 39657#(<= ULTIMATE.start_main_~y~4 78), 39658#(<= ULTIMATE.start_main_~y~4 79), 39659#(<= ULTIMATE.start_main_~y~4 80), 39660#(<= ULTIMATE.start_main_~y~4 81), 39661#(<= ULTIMATE.start_main_~y~4 82), 39662#(<= ULTIMATE.start_main_~y~4 83), 39663#(<= ULTIMATE.start_main_~y~4 84), 39664#(<= ULTIMATE.start_main_~y~4 85), 39665#(<= ULTIMATE.start_main_~y~4 86), 39666#(<= ULTIMATE.start_main_~y~4 87), 39667#(<= ULTIMATE.start_main_~y~4 88), 39668#(<= ULTIMATE.start_main_~y~4 89), 39669#(<= ULTIMATE.start_main_~y~4 90), 39670#(<= ULTIMATE.start_main_~y~4 91), 39671#(<= ULTIMATE.start_main_~y~4 92), 39672#(<= ULTIMATE.start_main_~y~4 93), 39673#(<= ULTIMATE.start_main_~y~4 94), 39674#(<= ULTIMATE.start_main_~y~4 95), 39675#(<= ULTIMATE.start_main_~y~4 96), 39676#(<= ULTIMATE.start_main_~y~4 97), 39677#(<= ULTIMATE.start_main_~y~4 98), 39678#(<= ULTIMATE.start_main_~y~4 99), 39679#(<= ULTIMATE.start_main_~y~4 100)] [2018-07-23 13:37:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:58,695 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:37:58,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:37:58,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:37:58,696 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 124 states. [2018-07-23 13:37:58,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:58,799 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-07-23 13:37:58,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:37:58,800 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 124 [2018-07-23 13:37:58,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:58,800 INFO L225 Difference]: With dead ends: 128 [2018-07-23 13:37:58,800 INFO L226 Difference]: Without dead ends: 126 [2018-07-23 13:37:58,801 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:37:58,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-07-23 13:37:58,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-07-23 13:37:58,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-07-23 13:37:58,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-07-23 13:37:58,804 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 124 [2018-07-23 13:37:58,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:58,804 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-07-23 13:37:58,804 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:37:58,804 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-07-23 13:37:58,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-23 13:37:58,805 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:58,805 INFO L357 BasicCegarLoop]: trace histogram [122, 1, 1, 1] [2018-07-23 13:37:58,805 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:58,805 INFO L82 PathProgramCache]: Analyzing trace with hash 490145187, now seen corresponding path program 122 times [2018-07-23 13:37:58,805 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:59,167 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:59,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:37:59,167 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:59,168 INFO L185 omatonBuilderFactory]: Interpolants [40209#true, 40210#false, 40211#(<= ULTIMATE.start_main_~y~4 0), 40212#(<= ULTIMATE.start_main_~y~4 1), 40213#(<= ULTIMATE.start_main_~y~4 2), 40214#(<= ULTIMATE.start_main_~y~4 3), 40215#(<= ULTIMATE.start_main_~y~4 4), 40216#(<= ULTIMATE.start_main_~y~4 5), 40217#(<= ULTIMATE.start_main_~y~4 6), 40218#(<= ULTIMATE.start_main_~y~4 7), 40219#(<= ULTIMATE.start_main_~y~4 8), 40220#(<= ULTIMATE.start_main_~y~4 9), 40221#(<= ULTIMATE.start_main_~y~4 10), 40222#(<= ULTIMATE.start_main_~y~4 11), 40223#(<= ULTIMATE.start_main_~y~4 12), 40224#(<= ULTIMATE.start_main_~y~4 13), 40225#(<= ULTIMATE.start_main_~y~4 14), 40226#(<= ULTIMATE.start_main_~y~4 15), 40227#(<= ULTIMATE.start_main_~y~4 16), 40228#(<= ULTIMATE.start_main_~y~4 17), 40229#(<= ULTIMATE.start_main_~y~4 18), 40230#(<= ULTIMATE.start_main_~y~4 19), 40231#(<= ULTIMATE.start_main_~y~4 20), 40232#(<= ULTIMATE.start_main_~y~4 21), 40233#(<= ULTIMATE.start_main_~y~4 22), 40234#(<= ULTIMATE.start_main_~y~4 23), 40235#(<= ULTIMATE.start_main_~y~4 24), 40236#(<= ULTIMATE.start_main_~y~4 25), 40237#(<= ULTIMATE.start_main_~y~4 26), 40238#(<= ULTIMATE.start_main_~y~4 27), 40239#(<= ULTIMATE.start_main_~y~4 28), 40240#(<= ULTIMATE.start_main_~y~4 29), 40241#(<= ULTIMATE.start_main_~y~4 30), 40242#(<= ULTIMATE.start_main_~y~4 31), 40243#(<= ULTIMATE.start_main_~y~4 32), 40244#(<= ULTIMATE.start_main_~y~4 33), 40245#(<= ULTIMATE.start_main_~y~4 34), 40246#(<= ULTIMATE.start_main_~y~4 35), 40247#(<= ULTIMATE.start_main_~y~4 36), 40248#(<= ULTIMATE.start_main_~y~4 37), 40249#(<= ULTIMATE.start_main_~y~4 38), 40250#(<= ULTIMATE.start_main_~y~4 39), 40251#(<= ULTIMATE.start_main_~y~4 40), 40252#(<= ULTIMATE.start_main_~y~4 41), 40253#(<= ULTIMATE.start_main_~y~4 42), 40254#(<= ULTIMATE.start_main_~y~4 43), 40255#(<= ULTIMATE.start_main_~y~4 44), 40256#(<= ULTIMATE.start_main_~y~4 45), 40257#(<= ULTIMATE.start_main_~y~4 46), 40258#(<= ULTIMATE.start_main_~y~4 47), 40259#(<= ULTIMATE.start_main_~y~4 48), 40260#(<= ULTIMATE.start_main_~y~4 49), 40261#(<= ULTIMATE.start_main_~y~4 50), 40262#(<= ULTIMATE.start_main_~y~4 51), 40263#(<= ULTIMATE.start_main_~y~4 52), 40264#(<= ULTIMATE.start_main_~y~4 53), 40265#(<= ULTIMATE.start_main_~y~4 54), 40266#(<= ULTIMATE.start_main_~y~4 55), 40267#(<= ULTIMATE.start_main_~y~4 56), 40268#(<= ULTIMATE.start_main_~y~4 57), 40269#(<= ULTIMATE.start_main_~y~4 58), 40270#(<= ULTIMATE.start_main_~y~4 59), 40271#(<= ULTIMATE.start_main_~y~4 60), 40272#(<= ULTIMATE.start_main_~y~4 61), 40273#(<= ULTIMATE.start_main_~y~4 62), 40274#(<= ULTIMATE.start_main_~y~4 63), 40275#(<= ULTIMATE.start_main_~y~4 64), 40276#(<= ULTIMATE.start_main_~y~4 65), 40277#(<= ULTIMATE.start_main_~y~4 66), 40278#(<= ULTIMATE.start_main_~y~4 67), 40279#(<= ULTIMATE.start_main_~y~4 68), 40280#(<= ULTIMATE.start_main_~y~4 69), 40281#(<= ULTIMATE.start_main_~y~4 70), 40282#(<= ULTIMATE.start_main_~y~4 71), 40283#(<= ULTIMATE.start_main_~y~4 72), 40284#(<= ULTIMATE.start_main_~y~4 73), 40285#(<= ULTIMATE.start_main_~y~4 74), 40286#(<= ULTIMATE.start_main_~y~4 75), 40287#(<= ULTIMATE.start_main_~y~4 76), 40288#(<= ULTIMATE.start_main_~y~4 77), 40289#(<= ULTIMATE.start_main_~y~4 78), 40290#(<= ULTIMATE.start_main_~y~4 79), 40291#(<= ULTIMATE.start_main_~y~4 80), 40292#(<= ULTIMATE.start_main_~y~4 81), 40293#(<= ULTIMATE.start_main_~y~4 82), 40294#(<= ULTIMATE.start_main_~y~4 83), 40295#(<= ULTIMATE.start_main_~y~4 84), 40296#(<= ULTIMATE.start_main_~y~4 85), 40297#(<= ULTIMATE.start_main_~y~4 86), 40298#(<= ULTIMATE.start_main_~y~4 87), 40299#(<= ULTIMATE.start_main_~y~4 88), 40300#(<= ULTIMATE.start_main_~y~4 89), 40301#(<= ULTIMATE.start_main_~y~4 90), 40302#(<= ULTIMATE.start_main_~y~4 91), 40303#(<= ULTIMATE.start_main_~y~4 92), 40304#(<= ULTIMATE.start_main_~y~4 93), 40305#(<= ULTIMATE.start_main_~y~4 94), 40306#(<= ULTIMATE.start_main_~y~4 95), 40307#(<= ULTIMATE.start_main_~y~4 96), 40308#(<= ULTIMATE.start_main_~y~4 97), 40309#(<= ULTIMATE.start_main_~y~4 98), 40310#(<= ULTIMATE.start_main_~y~4 99), 40311#(<= ULTIMATE.start_main_~y~4 100), 40312#(<= ULTIMATE.start_main_~y~4 101), 40313#(<= ULTIMATE.start_main_~y~4 102), 40314#(<= ULTIMATE.start_main_~y~4 103), 40315#(<= ULTIMATE.start_main_~y~4 104), 40316#(<= ULTIMATE.start_main_~y~4 105), 40317#(<= ULTIMATE.start_main_~y~4 106), 40318#(<= ULTIMATE.start_main_~y~4 107), 40319#(<= ULTIMATE.start_main_~y~4 108), 40320#(<= ULTIMATE.start_main_~y~4 109), 40321#(<= ULTIMATE.start_main_~y~4 110), 40322#(<= ULTIMATE.start_main_~y~4 111), 40323#(<= ULTIMATE.start_main_~y~4 112), 40324#(<= ULTIMATE.start_main_~y~4 113), 40325#(<= ULTIMATE.start_main_~y~4 114), 40326#(<= ULTIMATE.start_main_~y~4 115), 40327#(<= ULTIMATE.start_main_~y~4 116), 40328#(<= ULTIMATE.start_main_~y~4 117), 40329#(<= ULTIMATE.start_main_~y~4 118), 40330#(<= ULTIMATE.start_main_~y~4 119), 40331#(<= ULTIMATE.start_main_~y~4 120), 40332#(<= ULTIMATE.start_main_~y~4 121), 40333#(<= ULTIMATE.start_main_~y~4 122)] [2018-07-23 13:37:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:59,169 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:37:59,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:37:59,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:37:59,171 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 125 states. [2018-07-23 13:37:59,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:59,367 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:37:59,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:37:59,367 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 125 [2018-07-23 13:37:59,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:59,367 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:37:59,367 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:37:59,368 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:37:59,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:37:59,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:37:59,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:37:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:37:59,370 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 125 [2018-07-23 13:37:59,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:59,371 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:37:59,371 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:37:59,371 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:37:59,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:37:59,371 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:59,371 INFO L357 BasicCegarLoop]: trace histogram [123, 1, 1, 1] [2018-07-23 13:37:59,371 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:59,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1985366580, now seen corresponding path program 123 times [2018-07-23 13:37:59,372 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:59,748 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:59,748 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:37:59,748 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:59,748 INFO L185 omatonBuilderFactory]: Interpolants [40960#(<= ULTIMATE.start_main_~y~4 112), 40961#(<= ULTIMATE.start_main_~y~4 113), 40962#(<= ULTIMATE.start_main_~y~4 114), 40963#(<= ULTIMATE.start_main_~y~4 115), 40964#(<= ULTIMATE.start_main_~y~4 116), 40965#(<= ULTIMATE.start_main_~y~4 117), 40966#(<= ULTIMATE.start_main_~y~4 118), 40967#(<= ULTIMATE.start_main_~y~4 119), 40968#(<= ULTIMATE.start_main_~y~4 120), 40969#(<= ULTIMATE.start_main_~y~4 121), 40970#(<= ULTIMATE.start_main_~y~4 122), 40971#(<= ULTIMATE.start_main_~y~4 123), 40846#true, 40847#false, 40848#(<= ULTIMATE.start_main_~y~4 0), 40849#(<= ULTIMATE.start_main_~y~4 1), 40850#(<= ULTIMATE.start_main_~y~4 2), 40851#(<= ULTIMATE.start_main_~y~4 3), 40852#(<= ULTIMATE.start_main_~y~4 4), 40853#(<= ULTIMATE.start_main_~y~4 5), 40854#(<= ULTIMATE.start_main_~y~4 6), 40855#(<= ULTIMATE.start_main_~y~4 7), 40856#(<= ULTIMATE.start_main_~y~4 8), 40857#(<= ULTIMATE.start_main_~y~4 9), 40858#(<= ULTIMATE.start_main_~y~4 10), 40859#(<= ULTIMATE.start_main_~y~4 11), 40860#(<= ULTIMATE.start_main_~y~4 12), 40861#(<= ULTIMATE.start_main_~y~4 13), 40862#(<= ULTIMATE.start_main_~y~4 14), 40863#(<= ULTIMATE.start_main_~y~4 15), 40864#(<= ULTIMATE.start_main_~y~4 16), 40865#(<= ULTIMATE.start_main_~y~4 17), 40866#(<= ULTIMATE.start_main_~y~4 18), 40867#(<= ULTIMATE.start_main_~y~4 19), 40868#(<= ULTIMATE.start_main_~y~4 20), 40869#(<= ULTIMATE.start_main_~y~4 21), 40870#(<= ULTIMATE.start_main_~y~4 22), 40871#(<= ULTIMATE.start_main_~y~4 23), 40872#(<= ULTIMATE.start_main_~y~4 24), 40873#(<= ULTIMATE.start_main_~y~4 25), 40874#(<= ULTIMATE.start_main_~y~4 26), 40875#(<= ULTIMATE.start_main_~y~4 27), 40876#(<= ULTIMATE.start_main_~y~4 28), 40877#(<= ULTIMATE.start_main_~y~4 29), 40878#(<= ULTIMATE.start_main_~y~4 30), 40879#(<= ULTIMATE.start_main_~y~4 31), 40880#(<= ULTIMATE.start_main_~y~4 32), 40881#(<= ULTIMATE.start_main_~y~4 33), 40882#(<= ULTIMATE.start_main_~y~4 34), 40883#(<= ULTIMATE.start_main_~y~4 35), 40884#(<= ULTIMATE.start_main_~y~4 36), 40885#(<= ULTIMATE.start_main_~y~4 37), 40886#(<= ULTIMATE.start_main_~y~4 38), 40887#(<= ULTIMATE.start_main_~y~4 39), 40888#(<= ULTIMATE.start_main_~y~4 40), 40889#(<= ULTIMATE.start_main_~y~4 41), 40890#(<= ULTIMATE.start_main_~y~4 42), 40891#(<= ULTIMATE.start_main_~y~4 43), 40892#(<= ULTIMATE.start_main_~y~4 44), 40893#(<= ULTIMATE.start_main_~y~4 45), 40894#(<= ULTIMATE.start_main_~y~4 46), 40895#(<= ULTIMATE.start_main_~y~4 47), 40896#(<= ULTIMATE.start_main_~y~4 48), 40897#(<= ULTIMATE.start_main_~y~4 49), 40898#(<= ULTIMATE.start_main_~y~4 50), 40899#(<= ULTIMATE.start_main_~y~4 51), 40900#(<= ULTIMATE.start_main_~y~4 52), 40901#(<= ULTIMATE.start_main_~y~4 53), 40902#(<= ULTIMATE.start_main_~y~4 54), 40903#(<= ULTIMATE.start_main_~y~4 55), 40904#(<= ULTIMATE.start_main_~y~4 56), 40905#(<= ULTIMATE.start_main_~y~4 57), 40906#(<= ULTIMATE.start_main_~y~4 58), 40907#(<= ULTIMATE.start_main_~y~4 59), 40908#(<= ULTIMATE.start_main_~y~4 60), 40909#(<= ULTIMATE.start_main_~y~4 61), 40910#(<= ULTIMATE.start_main_~y~4 62), 40911#(<= ULTIMATE.start_main_~y~4 63), 40912#(<= ULTIMATE.start_main_~y~4 64), 40913#(<= ULTIMATE.start_main_~y~4 65), 40914#(<= ULTIMATE.start_main_~y~4 66), 40915#(<= ULTIMATE.start_main_~y~4 67), 40916#(<= ULTIMATE.start_main_~y~4 68), 40917#(<= ULTIMATE.start_main_~y~4 69), 40918#(<= ULTIMATE.start_main_~y~4 70), 40919#(<= ULTIMATE.start_main_~y~4 71), 40920#(<= ULTIMATE.start_main_~y~4 72), 40921#(<= ULTIMATE.start_main_~y~4 73), 40922#(<= ULTIMATE.start_main_~y~4 74), 40923#(<= ULTIMATE.start_main_~y~4 75), 40924#(<= ULTIMATE.start_main_~y~4 76), 40925#(<= ULTIMATE.start_main_~y~4 77), 40926#(<= ULTIMATE.start_main_~y~4 78), 40927#(<= ULTIMATE.start_main_~y~4 79), 40928#(<= ULTIMATE.start_main_~y~4 80), 40929#(<= ULTIMATE.start_main_~y~4 81), 40930#(<= ULTIMATE.start_main_~y~4 82), 40931#(<= ULTIMATE.start_main_~y~4 83), 40932#(<= ULTIMATE.start_main_~y~4 84), 40933#(<= ULTIMATE.start_main_~y~4 85), 40934#(<= ULTIMATE.start_main_~y~4 86), 40935#(<= ULTIMATE.start_main_~y~4 87), 40936#(<= ULTIMATE.start_main_~y~4 88), 40937#(<= ULTIMATE.start_main_~y~4 89), 40938#(<= ULTIMATE.start_main_~y~4 90), 40939#(<= ULTIMATE.start_main_~y~4 91), 40940#(<= ULTIMATE.start_main_~y~4 92), 40941#(<= ULTIMATE.start_main_~y~4 93), 40942#(<= ULTIMATE.start_main_~y~4 94), 40943#(<= ULTIMATE.start_main_~y~4 95), 40944#(<= ULTIMATE.start_main_~y~4 96), 40945#(<= ULTIMATE.start_main_~y~4 97), 40946#(<= ULTIMATE.start_main_~y~4 98), 40947#(<= ULTIMATE.start_main_~y~4 99), 40948#(<= ULTIMATE.start_main_~y~4 100), 40949#(<= ULTIMATE.start_main_~y~4 101), 40950#(<= ULTIMATE.start_main_~y~4 102), 40951#(<= ULTIMATE.start_main_~y~4 103), 40952#(<= ULTIMATE.start_main_~y~4 104), 40953#(<= ULTIMATE.start_main_~y~4 105), 40954#(<= ULTIMATE.start_main_~y~4 106), 40955#(<= ULTIMATE.start_main_~y~4 107), 40956#(<= ULTIMATE.start_main_~y~4 108), 40957#(<= ULTIMATE.start_main_~y~4 109), 40958#(<= ULTIMATE.start_main_~y~4 110), 40959#(<= ULTIMATE.start_main_~y~4 111)] [2018-07-23 13:37:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:59,749 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:37:59,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:37:59,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:37:59,751 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 126 states. [2018-07-23 13:37:59,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:59,889 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-07-23 13:37:59,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:37:59,889 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 126 [2018-07-23 13:37:59,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:59,889 INFO L225 Difference]: With dead ends: 130 [2018-07-23 13:37:59,889 INFO L226 Difference]: Without dead ends: 128 [2018-07-23 13:37:59,890 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:37:59,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-07-23 13:37:59,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-07-23 13:37:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-07-23 13:37:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 128 transitions. [2018-07-23 13:37:59,893 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 128 transitions. Word has length 126 [2018-07-23 13:37:59,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:59,893 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 128 transitions. [2018-07-23 13:37:59,893 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:37:59,893 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 128 transitions. [2018-07-23 13:37:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-07-23 13:37:59,894 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:59,894 INFO L357 BasicCegarLoop]: trace histogram [124, 1, 1, 1] [2018-07-23 13:37:59,894 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:59,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1416820029, now seen corresponding path program 124 times [2018-07-23 13:37:59,895 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:00,290 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:00,290 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:38:00,290 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:00,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:00,290 INFO L185 omatonBuilderFactory]: Interpolants [41488#true, 41489#false, 41490#(<= ULTIMATE.start_main_~y~4 0), 41491#(<= ULTIMATE.start_main_~y~4 1), 41492#(<= ULTIMATE.start_main_~y~4 2), 41493#(<= ULTIMATE.start_main_~y~4 3), 41494#(<= ULTIMATE.start_main_~y~4 4), 41495#(<= ULTIMATE.start_main_~y~4 5), 41496#(<= ULTIMATE.start_main_~y~4 6), 41497#(<= ULTIMATE.start_main_~y~4 7), 41498#(<= ULTIMATE.start_main_~y~4 8), 41499#(<= ULTIMATE.start_main_~y~4 9), 41500#(<= ULTIMATE.start_main_~y~4 10), 41501#(<= ULTIMATE.start_main_~y~4 11), 41502#(<= ULTIMATE.start_main_~y~4 12), 41503#(<= ULTIMATE.start_main_~y~4 13), 41504#(<= ULTIMATE.start_main_~y~4 14), 41505#(<= ULTIMATE.start_main_~y~4 15), 41506#(<= ULTIMATE.start_main_~y~4 16), 41507#(<= ULTIMATE.start_main_~y~4 17), 41508#(<= ULTIMATE.start_main_~y~4 18), 41509#(<= ULTIMATE.start_main_~y~4 19), 41510#(<= ULTIMATE.start_main_~y~4 20), 41511#(<= ULTIMATE.start_main_~y~4 21), 41512#(<= ULTIMATE.start_main_~y~4 22), 41513#(<= ULTIMATE.start_main_~y~4 23), 41514#(<= ULTIMATE.start_main_~y~4 24), 41515#(<= ULTIMATE.start_main_~y~4 25), 41516#(<= ULTIMATE.start_main_~y~4 26), 41517#(<= ULTIMATE.start_main_~y~4 27), 41518#(<= ULTIMATE.start_main_~y~4 28), 41519#(<= ULTIMATE.start_main_~y~4 29), 41520#(<= ULTIMATE.start_main_~y~4 30), 41521#(<= ULTIMATE.start_main_~y~4 31), 41522#(<= ULTIMATE.start_main_~y~4 32), 41523#(<= ULTIMATE.start_main_~y~4 33), 41524#(<= ULTIMATE.start_main_~y~4 34), 41525#(<= ULTIMATE.start_main_~y~4 35), 41526#(<= ULTIMATE.start_main_~y~4 36), 41527#(<= ULTIMATE.start_main_~y~4 37), 41528#(<= ULTIMATE.start_main_~y~4 38), 41529#(<= ULTIMATE.start_main_~y~4 39), 41530#(<= ULTIMATE.start_main_~y~4 40), 41531#(<= ULTIMATE.start_main_~y~4 41), 41532#(<= ULTIMATE.start_main_~y~4 42), 41533#(<= ULTIMATE.start_main_~y~4 43), 41534#(<= ULTIMATE.start_main_~y~4 44), 41535#(<= ULTIMATE.start_main_~y~4 45), 41536#(<= ULTIMATE.start_main_~y~4 46), 41537#(<= ULTIMATE.start_main_~y~4 47), 41538#(<= ULTIMATE.start_main_~y~4 48), 41539#(<= ULTIMATE.start_main_~y~4 49), 41540#(<= ULTIMATE.start_main_~y~4 50), 41541#(<= ULTIMATE.start_main_~y~4 51), 41542#(<= ULTIMATE.start_main_~y~4 52), 41543#(<= ULTIMATE.start_main_~y~4 53), 41544#(<= ULTIMATE.start_main_~y~4 54), 41545#(<= ULTIMATE.start_main_~y~4 55), 41546#(<= ULTIMATE.start_main_~y~4 56), 41547#(<= ULTIMATE.start_main_~y~4 57), 41548#(<= ULTIMATE.start_main_~y~4 58), 41549#(<= ULTIMATE.start_main_~y~4 59), 41550#(<= ULTIMATE.start_main_~y~4 60), 41551#(<= ULTIMATE.start_main_~y~4 61), 41552#(<= ULTIMATE.start_main_~y~4 62), 41553#(<= ULTIMATE.start_main_~y~4 63), 41554#(<= ULTIMATE.start_main_~y~4 64), 41555#(<= ULTIMATE.start_main_~y~4 65), 41556#(<= ULTIMATE.start_main_~y~4 66), 41557#(<= ULTIMATE.start_main_~y~4 67), 41558#(<= ULTIMATE.start_main_~y~4 68), 41559#(<= ULTIMATE.start_main_~y~4 69), 41560#(<= ULTIMATE.start_main_~y~4 70), 41561#(<= ULTIMATE.start_main_~y~4 71), 41562#(<= ULTIMATE.start_main_~y~4 72), 41563#(<= ULTIMATE.start_main_~y~4 73), 41564#(<= ULTIMATE.start_main_~y~4 74), 41565#(<= ULTIMATE.start_main_~y~4 75), 41566#(<= ULTIMATE.start_main_~y~4 76), 41567#(<= ULTIMATE.start_main_~y~4 77), 41568#(<= ULTIMATE.start_main_~y~4 78), 41569#(<= ULTIMATE.start_main_~y~4 79), 41570#(<= ULTIMATE.start_main_~y~4 80), 41571#(<= ULTIMATE.start_main_~y~4 81), 41572#(<= ULTIMATE.start_main_~y~4 82), 41573#(<= ULTIMATE.start_main_~y~4 83), 41574#(<= ULTIMATE.start_main_~y~4 84), 41575#(<= ULTIMATE.start_main_~y~4 85), 41576#(<= ULTIMATE.start_main_~y~4 86), 41577#(<= ULTIMATE.start_main_~y~4 87), 41578#(<= ULTIMATE.start_main_~y~4 88), 41579#(<= ULTIMATE.start_main_~y~4 89), 41580#(<= ULTIMATE.start_main_~y~4 90), 41581#(<= ULTIMATE.start_main_~y~4 91), 41582#(<= ULTIMATE.start_main_~y~4 92), 41583#(<= ULTIMATE.start_main_~y~4 93), 41584#(<= ULTIMATE.start_main_~y~4 94), 41585#(<= ULTIMATE.start_main_~y~4 95), 41586#(<= ULTIMATE.start_main_~y~4 96), 41587#(<= ULTIMATE.start_main_~y~4 97), 41588#(<= ULTIMATE.start_main_~y~4 98), 41589#(<= ULTIMATE.start_main_~y~4 99), 41590#(<= ULTIMATE.start_main_~y~4 100), 41591#(<= ULTIMATE.start_main_~y~4 101), 41592#(<= ULTIMATE.start_main_~y~4 102), 41593#(<= ULTIMATE.start_main_~y~4 103), 41594#(<= ULTIMATE.start_main_~y~4 104), 41595#(<= ULTIMATE.start_main_~y~4 105), 41596#(<= ULTIMATE.start_main_~y~4 106), 41597#(<= ULTIMATE.start_main_~y~4 107), 41598#(<= ULTIMATE.start_main_~y~4 108), 41599#(<= ULTIMATE.start_main_~y~4 109), 41600#(<= ULTIMATE.start_main_~y~4 110), 41601#(<= ULTIMATE.start_main_~y~4 111), 41602#(<= ULTIMATE.start_main_~y~4 112), 41603#(<= ULTIMATE.start_main_~y~4 113), 41604#(<= ULTIMATE.start_main_~y~4 114), 41605#(<= ULTIMATE.start_main_~y~4 115), 41606#(<= ULTIMATE.start_main_~y~4 116), 41607#(<= ULTIMATE.start_main_~y~4 117), 41608#(<= ULTIMATE.start_main_~y~4 118), 41609#(<= ULTIMATE.start_main_~y~4 119), 41610#(<= ULTIMATE.start_main_~y~4 120), 41611#(<= ULTIMATE.start_main_~y~4 121), 41612#(<= ULTIMATE.start_main_~y~4 122), 41613#(<= ULTIMATE.start_main_~y~4 123), 41614#(<= ULTIMATE.start_main_~y~4 124)] [2018-07-23 13:38:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:00,291 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:38:00,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:38:00,293 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:38:00,293 INFO L87 Difference]: Start difference. First operand 128 states and 128 transitions. Second operand 127 states. [2018-07-23 13:38:00,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:00,495 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:38:00,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:38:00,496 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 127 [2018-07-23 13:38:00,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:00,496 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:38:00,496 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:38:00,497 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:38:00,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:38:00,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:38:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:38:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:38:00,499 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 127 [2018-07-23 13:38:00,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:00,500 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:38:00,500 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:38:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:38:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:38:00,500 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:00,500 INFO L357 BasicCegarLoop]: trace histogram [125, 1, 1, 1] [2018-07-23 13:38:00,501 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:00,501 INFO L82 PathProgramCache]: Analyzing trace with hash -971746132, now seen corresponding path program 125 times [2018-07-23 13:38:00,501 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:00,821 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:00,821 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:38:00,821 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:00,822 INFO L185 omatonBuilderFactory]: Interpolants [42240#(<= ULTIMATE.start_main_~y~4 103), 42241#(<= ULTIMATE.start_main_~y~4 104), 42242#(<= ULTIMATE.start_main_~y~4 105), 42243#(<= ULTIMATE.start_main_~y~4 106), 42244#(<= ULTIMATE.start_main_~y~4 107), 42245#(<= ULTIMATE.start_main_~y~4 108), 42246#(<= ULTIMATE.start_main_~y~4 109), 42247#(<= ULTIMATE.start_main_~y~4 110), 42248#(<= ULTIMATE.start_main_~y~4 111), 42249#(<= ULTIMATE.start_main_~y~4 112), 42250#(<= ULTIMATE.start_main_~y~4 113), 42251#(<= ULTIMATE.start_main_~y~4 114), 42252#(<= ULTIMATE.start_main_~y~4 115), 42253#(<= ULTIMATE.start_main_~y~4 116), 42254#(<= ULTIMATE.start_main_~y~4 117), 42255#(<= ULTIMATE.start_main_~y~4 118), 42256#(<= ULTIMATE.start_main_~y~4 119), 42257#(<= ULTIMATE.start_main_~y~4 120), 42258#(<= ULTIMATE.start_main_~y~4 121), 42259#(<= ULTIMATE.start_main_~y~4 122), 42260#(<= ULTIMATE.start_main_~y~4 123), 42261#(<= ULTIMATE.start_main_~y~4 124), 42262#(<= ULTIMATE.start_main_~y~4 125), 42135#true, 42136#false, 42137#(<= ULTIMATE.start_main_~y~4 0), 42138#(<= ULTIMATE.start_main_~y~4 1), 42139#(<= ULTIMATE.start_main_~y~4 2), 42140#(<= ULTIMATE.start_main_~y~4 3), 42141#(<= ULTIMATE.start_main_~y~4 4), 42142#(<= ULTIMATE.start_main_~y~4 5), 42143#(<= ULTIMATE.start_main_~y~4 6), 42144#(<= ULTIMATE.start_main_~y~4 7), 42145#(<= ULTIMATE.start_main_~y~4 8), 42146#(<= ULTIMATE.start_main_~y~4 9), 42147#(<= ULTIMATE.start_main_~y~4 10), 42148#(<= ULTIMATE.start_main_~y~4 11), 42149#(<= ULTIMATE.start_main_~y~4 12), 42150#(<= ULTIMATE.start_main_~y~4 13), 42151#(<= ULTIMATE.start_main_~y~4 14), 42152#(<= ULTIMATE.start_main_~y~4 15), 42153#(<= ULTIMATE.start_main_~y~4 16), 42154#(<= ULTIMATE.start_main_~y~4 17), 42155#(<= ULTIMATE.start_main_~y~4 18), 42156#(<= ULTIMATE.start_main_~y~4 19), 42157#(<= ULTIMATE.start_main_~y~4 20), 42158#(<= ULTIMATE.start_main_~y~4 21), 42159#(<= ULTIMATE.start_main_~y~4 22), 42160#(<= ULTIMATE.start_main_~y~4 23), 42161#(<= ULTIMATE.start_main_~y~4 24), 42162#(<= ULTIMATE.start_main_~y~4 25), 42163#(<= ULTIMATE.start_main_~y~4 26), 42164#(<= ULTIMATE.start_main_~y~4 27), 42165#(<= ULTIMATE.start_main_~y~4 28), 42166#(<= ULTIMATE.start_main_~y~4 29), 42167#(<= ULTIMATE.start_main_~y~4 30), 42168#(<= ULTIMATE.start_main_~y~4 31), 42169#(<= ULTIMATE.start_main_~y~4 32), 42170#(<= ULTIMATE.start_main_~y~4 33), 42171#(<= ULTIMATE.start_main_~y~4 34), 42172#(<= ULTIMATE.start_main_~y~4 35), 42173#(<= ULTIMATE.start_main_~y~4 36), 42174#(<= ULTIMATE.start_main_~y~4 37), 42175#(<= ULTIMATE.start_main_~y~4 38), 42176#(<= ULTIMATE.start_main_~y~4 39), 42177#(<= ULTIMATE.start_main_~y~4 40), 42178#(<= ULTIMATE.start_main_~y~4 41), 42179#(<= ULTIMATE.start_main_~y~4 42), 42180#(<= ULTIMATE.start_main_~y~4 43), 42181#(<= ULTIMATE.start_main_~y~4 44), 42182#(<= ULTIMATE.start_main_~y~4 45), 42183#(<= ULTIMATE.start_main_~y~4 46), 42184#(<= ULTIMATE.start_main_~y~4 47), 42185#(<= ULTIMATE.start_main_~y~4 48), 42186#(<= ULTIMATE.start_main_~y~4 49), 42187#(<= ULTIMATE.start_main_~y~4 50), 42188#(<= ULTIMATE.start_main_~y~4 51), 42189#(<= ULTIMATE.start_main_~y~4 52), 42190#(<= ULTIMATE.start_main_~y~4 53), 42191#(<= ULTIMATE.start_main_~y~4 54), 42192#(<= ULTIMATE.start_main_~y~4 55), 42193#(<= ULTIMATE.start_main_~y~4 56), 42194#(<= ULTIMATE.start_main_~y~4 57), 42195#(<= ULTIMATE.start_main_~y~4 58), 42196#(<= ULTIMATE.start_main_~y~4 59), 42197#(<= ULTIMATE.start_main_~y~4 60), 42198#(<= ULTIMATE.start_main_~y~4 61), 42199#(<= ULTIMATE.start_main_~y~4 62), 42200#(<= ULTIMATE.start_main_~y~4 63), 42201#(<= ULTIMATE.start_main_~y~4 64), 42202#(<= ULTIMATE.start_main_~y~4 65), 42203#(<= ULTIMATE.start_main_~y~4 66), 42204#(<= ULTIMATE.start_main_~y~4 67), 42205#(<= ULTIMATE.start_main_~y~4 68), 42206#(<= ULTIMATE.start_main_~y~4 69), 42207#(<= ULTIMATE.start_main_~y~4 70), 42208#(<= ULTIMATE.start_main_~y~4 71), 42209#(<= ULTIMATE.start_main_~y~4 72), 42210#(<= ULTIMATE.start_main_~y~4 73), 42211#(<= ULTIMATE.start_main_~y~4 74), 42212#(<= ULTIMATE.start_main_~y~4 75), 42213#(<= ULTIMATE.start_main_~y~4 76), 42214#(<= ULTIMATE.start_main_~y~4 77), 42215#(<= ULTIMATE.start_main_~y~4 78), 42216#(<= ULTIMATE.start_main_~y~4 79), 42217#(<= ULTIMATE.start_main_~y~4 80), 42218#(<= ULTIMATE.start_main_~y~4 81), 42219#(<= ULTIMATE.start_main_~y~4 82), 42220#(<= ULTIMATE.start_main_~y~4 83), 42221#(<= ULTIMATE.start_main_~y~4 84), 42222#(<= ULTIMATE.start_main_~y~4 85), 42223#(<= ULTIMATE.start_main_~y~4 86), 42224#(<= ULTIMATE.start_main_~y~4 87), 42225#(<= ULTIMATE.start_main_~y~4 88), 42226#(<= ULTIMATE.start_main_~y~4 89), 42227#(<= ULTIMATE.start_main_~y~4 90), 42228#(<= ULTIMATE.start_main_~y~4 91), 42229#(<= ULTIMATE.start_main_~y~4 92), 42230#(<= ULTIMATE.start_main_~y~4 93), 42231#(<= ULTIMATE.start_main_~y~4 94), 42232#(<= ULTIMATE.start_main_~y~4 95), 42233#(<= ULTIMATE.start_main_~y~4 96), 42234#(<= ULTIMATE.start_main_~y~4 97), 42235#(<= ULTIMATE.start_main_~y~4 98), 42236#(<= ULTIMATE.start_main_~y~4 99), 42237#(<= ULTIMATE.start_main_~y~4 100), 42238#(<= ULTIMATE.start_main_~y~4 101), 42239#(<= ULTIMATE.start_main_~y~4 102)] [2018-07-23 13:38:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:00,822 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:38:00,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:38:00,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:38:00,825 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 128 states. [2018-07-23 13:38:00,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:00,925 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-07-23 13:38:00,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:38:00,925 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 128 [2018-07-23 13:38:00,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:00,926 INFO L225 Difference]: With dead ends: 132 [2018-07-23 13:38:00,926 INFO L226 Difference]: Without dead ends: 130 [2018-07-23 13:38:00,926 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:38:00,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-07-23 13:38:00,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-07-23 13:38:00,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-07-23 13:38:00,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 130 transitions. [2018-07-23 13:38:00,929 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 130 transitions. Word has length 128 [2018-07-23 13:38:00,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:00,930 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 130 transitions. [2018-07-23 13:38:00,930 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:38:00,930 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 130 transitions. [2018-07-23 13:38:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-23 13:38:00,931 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:00,931 INFO L357 BasicCegarLoop]: trace histogram [126, 1, 1, 1] [2018-07-23 13:38:00,931 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:00,931 INFO L82 PathProgramCache]: Analyzing trace with hash -59357213, now seen corresponding path program 126 times [2018-07-23 13:38:00,931 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:01,256 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:01,256 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:38:01,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:01,256 INFO L185 omatonBuilderFactory]: Interpolants [42787#true, 42788#false, 42789#(<= ULTIMATE.start_main_~y~4 0), 42790#(<= ULTIMATE.start_main_~y~4 1), 42791#(<= ULTIMATE.start_main_~y~4 2), 42792#(<= ULTIMATE.start_main_~y~4 3), 42793#(<= ULTIMATE.start_main_~y~4 4), 42794#(<= ULTIMATE.start_main_~y~4 5), 42795#(<= ULTIMATE.start_main_~y~4 6), 42796#(<= ULTIMATE.start_main_~y~4 7), 42797#(<= ULTIMATE.start_main_~y~4 8), 42798#(<= ULTIMATE.start_main_~y~4 9), 42799#(<= ULTIMATE.start_main_~y~4 10), 42800#(<= ULTIMATE.start_main_~y~4 11), 42801#(<= ULTIMATE.start_main_~y~4 12), 42802#(<= ULTIMATE.start_main_~y~4 13), 42803#(<= ULTIMATE.start_main_~y~4 14), 42804#(<= ULTIMATE.start_main_~y~4 15), 42805#(<= ULTIMATE.start_main_~y~4 16), 42806#(<= ULTIMATE.start_main_~y~4 17), 42807#(<= ULTIMATE.start_main_~y~4 18), 42808#(<= ULTIMATE.start_main_~y~4 19), 42809#(<= ULTIMATE.start_main_~y~4 20), 42810#(<= ULTIMATE.start_main_~y~4 21), 42811#(<= ULTIMATE.start_main_~y~4 22), 42812#(<= ULTIMATE.start_main_~y~4 23), 42813#(<= ULTIMATE.start_main_~y~4 24), 42814#(<= ULTIMATE.start_main_~y~4 25), 42815#(<= ULTIMATE.start_main_~y~4 26), 42816#(<= ULTIMATE.start_main_~y~4 27), 42817#(<= ULTIMATE.start_main_~y~4 28), 42818#(<= ULTIMATE.start_main_~y~4 29), 42819#(<= ULTIMATE.start_main_~y~4 30), 42820#(<= ULTIMATE.start_main_~y~4 31), 42821#(<= ULTIMATE.start_main_~y~4 32), 42822#(<= ULTIMATE.start_main_~y~4 33), 42823#(<= ULTIMATE.start_main_~y~4 34), 42824#(<= ULTIMATE.start_main_~y~4 35), 42825#(<= ULTIMATE.start_main_~y~4 36), 42826#(<= ULTIMATE.start_main_~y~4 37), 42827#(<= ULTIMATE.start_main_~y~4 38), 42828#(<= ULTIMATE.start_main_~y~4 39), 42829#(<= ULTIMATE.start_main_~y~4 40), 42830#(<= ULTIMATE.start_main_~y~4 41), 42831#(<= ULTIMATE.start_main_~y~4 42), 42832#(<= ULTIMATE.start_main_~y~4 43), 42833#(<= ULTIMATE.start_main_~y~4 44), 42834#(<= ULTIMATE.start_main_~y~4 45), 42835#(<= ULTIMATE.start_main_~y~4 46), 42836#(<= ULTIMATE.start_main_~y~4 47), 42837#(<= ULTIMATE.start_main_~y~4 48), 42838#(<= ULTIMATE.start_main_~y~4 49), 42839#(<= ULTIMATE.start_main_~y~4 50), 42840#(<= ULTIMATE.start_main_~y~4 51), 42841#(<= ULTIMATE.start_main_~y~4 52), 42842#(<= ULTIMATE.start_main_~y~4 53), 42843#(<= ULTIMATE.start_main_~y~4 54), 42844#(<= ULTIMATE.start_main_~y~4 55), 42845#(<= ULTIMATE.start_main_~y~4 56), 42846#(<= ULTIMATE.start_main_~y~4 57), 42847#(<= ULTIMATE.start_main_~y~4 58), 42848#(<= ULTIMATE.start_main_~y~4 59), 42849#(<= ULTIMATE.start_main_~y~4 60), 42850#(<= ULTIMATE.start_main_~y~4 61), 42851#(<= ULTIMATE.start_main_~y~4 62), 42852#(<= ULTIMATE.start_main_~y~4 63), 42853#(<= ULTIMATE.start_main_~y~4 64), 42854#(<= ULTIMATE.start_main_~y~4 65), 42855#(<= ULTIMATE.start_main_~y~4 66), 42856#(<= ULTIMATE.start_main_~y~4 67), 42857#(<= ULTIMATE.start_main_~y~4 68), 42858#(<= ULTIMATE.start_main_~y~4 69), 42859#(<= ULTIMATE.start_main_~y~4 70), 42860#(<= ULTIMATE.start_main_~y~4 71), 42861#(<= ULTIMATE.start_main_~y~4 72), 42862#(<= ULTIMATE.start_main_~y~4 73), 42863#(<= ULTIMATE.start_main_~y~4 74), 42864#(<= ULTIMATE.start_main_~y~4 75), 42865#(<= ULTIMATE.start_main_~y~4 76), 42866#(<= ULTIMATE.start_main_~y~4 77), 42867#(<= ULTIMATE.start_main_~y~4 78), 42868#(<= ULTIMATE.start_main_~y~4 79), 42869#(<= ULTIMATE.start_main_~y~4 80), 42870#(<= ULTIMATE.start_main_~y~4 81), 42871#(<= ULTIMATE.start_main_~y~4 82), 42872#(<= ULTIMATE.start_main_~y~4 83), 42873#(<= ULTIMATE.start_main_~y~4 84), 42874#(<= ULTIMATE.start_main_~y~4 85), 42875#(<= ULTIMATE.start_main_~y~4 86), 42876#(<= ULTIMATE.start_main_~y~4 87), 42877#(<= ULTIMATE.start_main_~y~4 88), 42878#(<= ULTIMATE.start_main_~y~4 89), 42879#(<= ULTIMATE.start_main_~y~4 90), 42880#(<= ULTIMATE.start_main_~y~4 91), 42881#(<= ULTIMATE.start_main_~y~4 92), 42882#(<= ULTIMATE.start_main_~y~4 93), 42883#(<= ULTIMATE.start_main_~y~4 94), 42884#(<= ULTIMATE.start_main_~y~4 95), 42885#(<= ULTIMATE.start_main_~y~4 96), 42886#(<= ULTIMATE.start_main_~y~4 97), 42887#(<= ULTIMATE.start_main_~y~4 98), 42888#(<= ULTIMATE.start_main_~y~4 99), 42889#(<= ULTIMATE.start_main_~y~4 100), 42890#(<= ULTIMATE.start_main_~y~4 101), 42891#(<= ULTIMATE.start_main_~y~4 102), 42892#(<= ULTIMATE.start_main_~y~4 103), 42893#(<= ULTIMATE.start_main_~y~4 104), 42894#(<= ULTIMATE.start_main_~y~4 105), 42895#(<= ULTIMATE.start_main_~y~4 106), 42896#(<= ULTIMATE.start_main_~y~4 107), 42897#(<= ULTIMATE.start_main_~y~4 108), 42898#(<= ULTIMATE.start_main_~y~4 109), 42899#(<= ULTIMATE.start_main_~y~4 110), 42900#(<= ULTIMATE.start_main_~y~4 111), 42901#(<= ULTIMATE.start_main_~y~4 112), 42902#(<= ULTIMATE.start_main_~y~4 113), 42903#(<= ULTIMATE.start_main_~y~4 114), 42904#(<= ULTIMATE.start_main_~y~4 115), 42905#(<= ULTIMATE.start_main_~y~4 116), 42906#(<= ULTIMATE.start_main_~y~4 117), 42907#(<= ULTIMATE.start_main_~y~4 118), 42908#(<= ULTIMATE.start_main_~y~4 119), 42909#(<= ULTIMATE.start_main_~y~4 120), 42910#(<= ULTIMATE.start_main_~y~4 121), 42911#(<= ULTIMATE.start_main_~y~4 122), 42912#(<= ULTIMATE.start_main_~y~4 123), 42913#(<= ULTIMATE.start_main_~y~4 124), 42914#(<= ULTIMATE.start_main_~y~4 125), 42915#(<= ULTIMATE.start_main_~y~4 126)] [2018-07-23 13:38:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:01,257 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:38:01,258 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:38:01,259 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:38:01,259 INFO L87 Difference]: Start difference. First operand 130 states and 130 transitions. Second operand 129 states. [2018-07-23 13:38:01,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:01,431 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:38:01,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:38:01,431 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 129 [2018-07-23 13:38:01,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:01,431 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:38:01,431 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:38:01,432 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:38:01,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:38:01,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:38:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:38:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:38:01,435 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 129 [2018-07-23 13:38:01,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:01,435 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:38:01,435 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:38:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:38:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:38:01,436 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:01,436 INFO L357 BasicCegarLoop]: trace histogram [127, 1, 1, 1] [2018-07-23 13:38:01,436 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:01,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1840071796, now seen corresponding path program 127 times [2018-07-23 13:38:01,437 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:01,833 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:01,833 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:38:01,833 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:01,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:01,834 INFO L185 omatonBuilderFactory]: Interpolants [43520#(<= ULTIMATE.start_main_~y~4 74), 43521#(<= ULTIMATE.start_main_~y~4 75), 43522#(<= ULTIMATE.start_main_~y~4 76), 43523#(<= ULTIMATE.start_main_~y~4 77), 43524#(<= ULTIMATE.start_main_~y~4 78), 43525#(<= ULTIMATE.start_main_~y~4 79), 43526#(<= ULTIMATE.start_main_~y~4 80), 43527#(<= ULTIMATE.start_main_~y~4 81), 43528#(<= ULTIMATE.start_main_~y~4 82), 43529#(<= ULTIMATE.start_main_~y~4 83), 43530#(<= ULTIMATE.start_main_~y~4 84), 43531#(<= ULTIMATE.start_main_~y~4 85), 43532#(<= ULTIMATE.start_main_~y~4 86), 43533#(<= ULTIMATE.start_main_~y~4 87), 43534#(<= ULTIMATE.start_main_~y~4 88), 43535#(<= ULTIMATE.start_main_~y~4 89), 43536#(<= ULTIMATE.start_main_~y~4 90), 43537#(<= ULTIMATE.start_main_~y~4 91), 43538#(<= ULTIMATE.start_main_~y~4 92), 43539#(<= ULTIMATE.start_main_~y~4 93), 43540#(<= ULTIMATE.start_main_~y~4 94), 43541#(<= ULTIMATE.start_main_~y~4 95), 43542#(<= ULTIMATE.start_main_~y~4 96), 43543#(<= ULTIMATE.start_main_~y~4 97), 43544#(<= ULTIMATE.start_main_~y~4 98), 43545#(<= ULTIMATE.start_main_~y~4 99), 43546#(<= ULTIMATE.start_main_~y~4 100), 43547#(<= ULTIMATE.start_main_~y~4 101), 43548#(<= ULTIMATE.start_main_~y~4 102), 43549#(<= ULTIMATE.start_main_~y~4 103), 43550#(<= ULTIMATE.start_main_~y~4 104), 43551#(<= ULTIMATE.start_main_~y~4 105), 43552#(<= ULTIMATE.start_main_~y~4 106), 43553#(<= ULTIMATE.start_main_~y~4 107), 43554#(<= ULTIMATE.start_main_~y~4 108), 43555#(<= ULTIMATE.start_main_~y~4 109), 43556#(<= ULTIMATE.start_main_~y~4 110), 43557#(<= ULTIMATE.start_main_~y~4 111), 43558#(<= ULTIMATE.start_main_~y~4 112), 43559#(<= ULTIMATE.start_main_~y~4 113), 43560#(<= ULTIMATE.start_main_~y~4 114), 43561#(<= ULTIMATE.start_main_~y~4 115), 43562#(<= ULTIMATE.start_main_~y~4 116), 43563#(<= ULTIMATE.start_main_~y~4 117), 43564#(<= ULTIMATE.start_main_~y~4 118), 43565#(<= ULTIMATE.start_main_~y~4 119), 43566#(<= ULTIMATE.start_main_~y~4 120), 43567#(<= ULTIMATE.start_main_~y~4 121), 43568#(<= ULTIMATE.start_main_~y~4 122), 43569#(<= ULTIMATE.start_main_~y~4 123), 43570#(<= ULTIMATE.start_main_~y~4 124), 43571#(<= ULTIMATE.start_main_~y~4 125), 43572#(<= ULTIMATE.start_main_~y~4 126), 43573#(<= ULTIMATE.start_main_~y~4 127), 43444#true, 43445#false, 43446#(<= ULTIMATE.start_main_~y~4 0), 43447#(<= ULTIMATE.start_main_~y~4 1), 43448#(<= ULTIMATE.start_main_~y~4 2), 43449#(<= ULTIMATE.start_main_~y~4 3), 43450#(<= ULTIMATE.start_main_~y~4 4), 43451#(<= ULTIMATE.start_main_~y~4 5), 43452#(<= ULTIMATE.start_main_~y~4 6), 43453#(<= ULTIMATE.start_main_~y~4 7), 43454#(<= ULTIMATE.start_main_~y~4 8), 43455#(<= ULTIMATE.start_main_~y~4 9), 43456#(<= ULTIMATE.start_main_~y~4 10), 43457#(<= ULTIMATE.start_main_~y~4 11), 43458#(<= ULTIMATE.start_main_~y~4 12), 43459#(<= ULTIMATE.start_main_~y~4 13), 43460#(<= ULTIMATE.start_main_~y~4 14), 43461#(<= ULTIMATE.start_main_~y~4 15), 43462#(<= ULTIMATE.start_main_~y~4 16), 43463#(<= ULTIMATE.start_main_~y~4 17), 43464#(<= ULTIMATE.start_main_~y~4 18), 43465#(<= ULTIMATE.start_main_~y~4 19), 43466#(<= ULTIMATE.start_main_~y~4 20), 43467#(<= ULTIMATE.start_main_~y~4 21), 43468#(<= ULTIMATE.start_main_~y~4 22), 43469#(<= ULTIMATE.start_main_~y~4 23), 43470#(<= ULTIMATE.start_main_~y~4 24), 43471#(<= ULTIMATE.start_main_~y~4 25), 43472#(<= ULTIMATE.start_main_~y~4 26), 43473#(<= ULTIMATE.start_main_~y~4 27), 43474#(<= ULTIMATE.start_main_~y~4 28), 43475#(<= ULTIMATE.start_main_~y~4 29), 43476#(<= ULTIMATE.start_main_~y~4 30), 43477#(<= ULTIMATE.start_main_~y~4 31), 43478#(<= ULTIMATE.start_main_~y~4 32), 43479#(<= ULTIMATE.start_main_~y~4 33), 43480#(<= ULTIMATE.start_main_~y~4 34), 43481#(<= ULTIMATE.start_main_~y~4 35), 43482#(<= ULTIMATE.start_main_~y~4 36), 43483#(<= ULTIMATE.start_main_~y~4 37), 43484#(<= ULTIMATE.start_main_~y~4 38), 43485#(<= ULTIMATE.start_main_~y~4 39), 43486#(<= ULTIMATE.start_main_~y~4 40), 43487#(<= ULTIMATE.start_main_~y~4 41), 43488#(<= ULTIMATE.start_main_~y~4 42), 43489#(<= ULTIMATE.start_main_~y~4 43), 43490#(<= ULTIMATE.start_main_~y~4 44), 43491#(<= ULTIMATE.start_main_~y~4 45), 43492#(<= ULTIMATE.start_main_~y~4 46), 43493#(<= ULTIMATE.start_main_~y~4 47), 43494#(<= ULTIMATE.start_main_~y~4 48), 43495#(<= ULTIMATE.start_main_~y~4 49), 43496#(<= ULTIMATE.start_main_~y~4 50), 43497#(<= ULTIMATE.start_main_~y~4 51), 43498#(<= ULTIMATE.start_main_~y~4 52), 43499#(<= ULTIMATE.start_main_~y~4 53), 43500#(<= ULTIMATE.start_main_~y~4 54), 43501#(<= ULTIMATE.start_main_~y~4 55), 43502#(<= ULTIMATE.start_main_~y~4 56), 43503#(<= ULTIMATE.start_main_~y~4 57), 43504#(<= ULTIMATE.start_main_~y~4 58), 43505#(<= ULTIMATE.start_main_~y~4 59), 43506#(<= ULTIMATE.start_main_~y~4 60), 43507#(<= ULTIMATE.start_main_~y~4 61), 43508#(<= ULTIMATE.start_main_~y~4 62), 43509#(<= ULTIMATE.start_main_~y~4 63), 43510#(<= ULTIMATE.start_main_~y~4 64), 43511#(<= ULTIMATE.start_main_~y~4 65), 43512#(<= ULTIMATE.start_main_~y~4 66), 43513#(<= ULTIMATE.start_main_~y~4 67), 43514#(<= ULTIMATE.start_main_~y~4 68), 43515#(<= ULTIMATE.start_main_~y~4 69), 43516#(<= ULTIMATE.start_main_~y~4 70), 43517#(<= ULTIMATE.start_main_~y~4 71), 43518#(<= ULTIMATE.start_main_~y~4 72), 43519#(<= ULTIMATE.start_main_~y~4 73)] [2018-07-23 13:38:01,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:01,835 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:38:01,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:38:01,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:38:01,837 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 130 states. [2018-07-23 13:38:01,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:01,918 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-07-23 13:38:01,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:38:01,918 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 130 [2018-07-23 13:38:01,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:01,919 INFO L225 Difference]: With dead ends: 134 [2018-07-23 13:38:01,919 INFO L226 Difference]: Without dead ends: 132 [2018-07-23 13:38:01,920 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:38:01,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-07-23 13:38:01,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-07-23 13:38:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-07-23 13:38:01,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-07-23 13:38:01,923 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 130 [2018-07-23 13:38:01,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:01,923 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-07-23 13:38:01,923 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:38:01,924 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-07-23 13:38:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-07-23 13:38:01,924 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:01,924 INFO L357 BasicCegarLoop]: trace histogram [128, 1, 1, 1] [2018-07-23 13:38:01,924 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:01,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1207649021, now seen corresponding path program 128 times [2018-07-23 13:38:01,925 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:02,318 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:02,318 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:38:02,318 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:02,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:02,319 INFO L185 omatonBuilderFactory]: Interpolants [44106#true, 44107#false, 44108#(<= ULTIMATE.start_main_~y~4 0), 44109#(<= ULTIMATE.start_main_~y~4 1), 44110#(<= ULTIMATE.start_main_~y~4 2), 44111#(<= ULTIMATE.start_main_~y~4 3), 44112#(<= ULTIMATE.start_main_~y~4 4), 44113#(<= ULTIMATE.start_main_~y~4 5), 44114#(<= ULTIMATE.start_main_~y~4 6), 44115#(<= ULTIMATE.start_main_~y~4 7), 44116#(<= ULTIMATE.start_main_~y~4 8), 44117#(<= ULTIMATE.start_main_~y~4 9), 44118#(<= ULTIMATE.start_main_~y~4 10), 44119#(<= ULTIMATE.start_main_~y~4 11), 44120#(<= ULTIMATE.start_main_~y~4 12), 44121#(<= ULTIMATE.start_main_~y~4 13), 44122#(<= ULTIMATE.start_main_~y~4 14), 44123#(<= ULTIMATE.start_main_~y~4 15), 44124#(<= ULTIMATE.start_main_~y~4 16), 44125#(<= ULTIMATE.start_main_~y~4 17), 44126#(<= ULTIMATE.start_main_~y~4 18), 44127#(<= ULTIMATE.start_main_~y~4 19), 44128#(<= ULTIMATE.start_main_~y~4 20), 44129#(<= ULTIMATE.start_main_~y~4 21), 44130#(<= ULTIMATE.start_main_~y~4 22), 44131#(<= ULTIMATE.start_main_~y~4 23), 44132#(<= ULTIMATE.start_main_~y~4 24), 44133#(<= ULTIMATE.start_main_~y~4 25), 44134#(<= ULTIMATE.start_main_~y~4 26), 44135#(<= ULTIMATE.start_main_~y~4 27), 44136#(<= ULTIMATE.start_main_~y~4 28), 44137#(<= ULTIMATE.start_main_~y~4 29), 44138#(<= ULTIMATE.start_main_~y~4 30), 44139#(<= ULTIMATE.start_main_~y~4 31), 44140#(<= ULTIMATE.start_main_~y~4 32), 44141#(<= ULTIMATE.start_main_~y~4 33), 44142#(<= ULTIMATE.start_main_~y~4 34), 44143#(<= ULTIMATE.start_main_~y~4 35), 44144#(<= ULTIMATE.start_main_~y~4 36), 44145#(<= ULTIMATE.start_main_~y~4 37), 44146#(<= ULTIMATE.start_main_~y~4 38), 44147#(<= ULTIMATE.start_main_~y~4 39), 44148#(<= ULTIMATE.start_main_~y~4 40), 44149#(<= ULTIMATE.start_main_~y~4 41), 44150#(<= ULTIMATE.start_main_~y~4 42), 44151#(<= ULTIMATE.start_main_~y~4 43), 44152#(<= ULTIMATE.start_main_~y~4 44), 44153#(<= ULTIMATE.start_main_~y~4 45), 44154#(<= ULTIMATE.start_main_~y~4 46), 44155#(<= ULTIMATE.start_main_~y~4 47), 44156#(<= ULTIMATE.start_main_~y~4 48), 44157#(<= ULTIMATE.start_main_~y~4 49), 44158#(<= ULTIMATE.start_main_~y~4 50), 44159#(<= ULTIMATE.start_main_~y~4 51), 44160#(<= ULTIMATE.start_main_~y~4 52), 44161#(<= ULTIMATE.start_main_~y~4 53), 44162#(<= ULTIMATE.start_main_~y~4 54), 44163#(<= ULTIMATE.start_main_~y~4 55), 44164#(<= ULTIMATE.start_main_~y~4 56), 44165#(<= ULTIMATE.start_main_~y~4 57), 44166#(<= ULTIMATE.start_main_~y~4 58), 44167#(<= ULTIMATE.start_main_~y~4 59), 44168#(<= ULTIMATE.start_main_~y~4 60), 44169#(<= ULTIMATE.start_main_~y~4 61), 44170#(<= ULTIMATE.start_main_~y~4 62), 44171#(<= ULTIMATE.start_main_~y~4 63), 44172#(<= ULTIMATE.start_main_~y~4 64), 44173#(<= ULTIMATE.start_main_~y~4 65), 44174#(<= ULTIMATE.start_main_~y~4 66), 44175#(<= ULTIMATE.start_main_~y~4 67), 44176#(<= ULTIMATE.start_main_~y~4 68), 44177#(<= ULTIMATE.start_main_~y~4 69), 44178#(<= ULTIMATE.start_main_~y~4 70), 44179#(<= ULTIMATE.start_main_~y~4 71), 44180#(<= ULTIMATE.start_main_~y~4 72), 44181#(<= ULTIMATE.start_main_~y~4 73), 44182#(<= ULTIMATE.start_main_~y~4 74), 44183#(<= ULTIMATE.start_main_~y~4 75), 44184#(<= ULTIMATE.start_main_~y~4 76), 44185#(<= ULTIMATE.start_main_~y~4 77), 44186#(<= ULTIMATE.start_main_~y~4 78), 44187#(<= ULTIMATE.start_main_~y~4 79), 44188#(<= ULTIMATE.start_main_~y~4 80), 44189#(<= ULTIMATE.start_main_~y~4 81), 44190#(<= ULTIMATE.start_main_~y~4 82), 44191#(<= ULTIMATE.start_main_~y~4 83), 44192#(<= ULTIMATE.start_main_~y~4 84), 44193#(<= ULTIMATE.start_main_~y~4 85), 44194#(<= ULTIMATE.start_main_~y~4 86), 44195#(<= ULTIMATE.start_main_~y~4 87), 44196#(<= ULTIMATE.start_main_~y~4 88), 44197#(<= ULTIMATE.start_main_~y~4 89), 44198#(<= ULTIMATE.start_main_~y~4 90), 44199#(<= ULTIMATE.start_main_~y~4 91), 44200#(<= ULTIMATE.start_main_~y~4 92), 44201#(<= ULTIMATE.start_main_~y~4 93), 44202#(<= ULTIMATE.start_main_~y~4 94), 44203#(<= ULTIMATE.start_main_~y~4 95), 44204#(<= ULTIMATE.start_main_~y~4 96), 44205#(<= ULTIMATE.start_main_~y~4 97), 44206#(<= ULTIMATE.start_main_~y~4 98), 44207#(<= ULTIMATE.start_main_~y~4 99), 44208#(<= ULTIMATE.start_main_~y~4 100), 44209#(<= ULTIMATE.start_main_~y~4 101), 44210#(<= ULTIMATE.start_main_~y~4 102), 44211#(<= ULTIMATE.start_main_~y~4 103), 44212#(<= ULTIMATE.start_main_~y~4 104), 44213#(<= ULTIMATE.start_main_~y~4 105), 44214#(<= ULTIMATE.start_main_~y~4 106), 44215#(<= ULTIMATE.start_main_~y~4 107), 44216#(<= ULTIMATE.start_main_~y~4 108), 44217#(<= ULTIMATE.start_main_~y~4 109), 44218#(<= ULTIMATE.start_main_~y~4 110), 44219#(<= ULTIMATE.start_main_~y~4 111), 44220#(<= ULTIMATE.start_main_~y~4 112), 44221#(<= ULTIMATE.start_main_~y~4 113), 44222#(<= ULTIMATE.start_main_~y~4 114), 44223#(<= ULTIMATE.start_main_~y~4 115), 44224#(<= ULTIMATE.start_main_~y~4 116), 44225#(<= ULTIMATE.start_main_~y~4 117), 44226#(<= ULTIMATE.start_main_~y~4 118), 44227#(<= ULTIMATE.start_main_~y~4 119), 44228#(<= ULTIMATE.start_main_~y~4 120), 44229#(<= ULTIMATE.start_main_~y~4 121), 44230#(<= ULTIMATE.start_main_~y~4 122), 44231#(<= ULTIMATE.start_main_~y~4 123), 44232#(<= ULTIMATE.start_main_~y~4 124), 44233#(<= ULTIMATE.start_main_~y~4 125), 44234#(<= ULTIMATE.start_main_~y~4 126), 44235#(<= ULTIMATE.start_main_~y~4 127), 44236#(<= ULTIMATE.start_main_~y~4 128)] [2018-07-23 13:38:02,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:02,320 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:38:02,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:38:02,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:38:02,322 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 131 states. [2018-07-23 13:38:02,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:02,502 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:38:02,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:38:02,502 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 131 [2018-07-23 13:38:02,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:02,502 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:38:02,502 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:38:02,503 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:38:02,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:38:02,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:38:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:38:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:38:02,506 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 131 [2018-07-23 13:38:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:02,506 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:38:02,506 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:38:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:38:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:38:02,506 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:02,507 INFO L357 BasicCegarLoop]: trace histogram [129, 1, 1, 1] [2018-07-23 13:38:02,507 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:02,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1217587820, now seen corresponding path program 129 times [2018-07-23 13:38:02,507 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:02,915 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:02,915 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:38:02,915 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:02,916 INFO L185 omatonBuilderFactory]: Interpolants [44800#(<= ULTIMATE.start_main_~y~4 25), 44801#(<= ULTIMATE.start_main_~y~4 26), 44802#(<= ULTIMATE.start_main_~y~4 27), 44803#(<= ULTIMATE.start_main_~y~4 28), 44804#(<= ULTIMATE.start_main_~y~4 29), 44805#(<= ULTIMATE.start_main_~y~4 30), 44806#(<= ULTIMATE.start_main_~y~4 31), 44807#(<= ULTIMATE.start_main_~y~4 32), 44808#(<= ULTIMATE.start_main_~y~4 33), 44809#(<= ULTIMATE.start_main_~y~4 34), 44810#(<= ULTIMATE.start_main_~y~4 35), 44811#(<= ULTIMATE.start_main_~y~4 36), 44812#(<= ULTIMATE.start_main_~y~4 37), 44813#(<= ULTIMATE.start_main_~y~4 38), 44814#(<= ULTIMATE.start_main_~y~4 39), 44815#(<= ULTIMATE.start_main_~y~4 40), 44816#(<= ULTIMATE.start_main_~y~4 41), 44817#(<= ULTIMATE.start_main_~y~4 42), 44818#(<= ULTIMATE.start_main_~y~4 43), 44819#(<= ULTIMATE.start_main_~y~4 44), 44820#(<= ULTIMATE.start_main_~y~4 45), 44821#(<= ULTIMATE.start_main_~y~4 46), 44822#(<= ULTIMATE.start_main_~y~4 47), 44823#(<= ULTIMATE.start_main_~y~4 48), 44824#(<= ULTIMATE.start_main_~y~4 49), 44825#(<= ULTIMATE.start_main_~y~4 50), 44826#(<= ULTIMATE.start_main_~y~4 51), 44827#(<= ULTIMATE.start_main_~y~4 52), 44828#(<= ULTIMATE.start_main_~y~4 53), 44829#(<= ULTIMATE.start_main_~y~4 54), 44830#(<= ULTIMATE.start_main_~y~4 55), 44831#(<= ULTIMATE.start_main_~y~4 56), 44832#(<= ULTIMATE.start_main_~y~4 57), 44833#(<= ULTIMATE.start_main_~y~4 58), 44834#(<= ULTIMATE.start_main_~y~4 59), 44835#(<= ULTIMATE.start_main_~y~4 60), 44836#(<= ULTIMATE.start_main_~y~4 61), 44837#(<= ULTIMATE.start_main_~y~4 62), 44838#(<= ULTIMATE.start_main_~y~4 63), 44839#(<= ULTIMATE.start_main_~y~4 64), 44840#(<= ULTIMATE.start_main_~y~4 65), 44841#(<= ULTIMATE.start_main_~y~4 66), 44842#(<= ULTIMATE.start_main_~y~4 67), 44843#(<= ULTIMATE.start_main_~y~4 68), 44844#(<= ULTIMATE.start_main_~y~4 69), 44845#(<= ULTIMATE.start_main_~y~4 70), 44846#(<= ULTIMATE.start_main_~y~4 71), 44847#(<= ULTIMATE.start_main_~y~4 72), 44848#(<= ULTIMATE.start_main_~y~4 73), 44849#(<= ULTIMATE.start_main_~y~4 74), 44850#(<= ULTIMATE.start_main_~y~4 75), 44851#(<= ULTIMATE.start_main_~y~4 76), 44852#(<= ULTIMATE.start_main_~y~4 77), 44853#(<= ULTIMATE.start_main_~y~4 78), 44854#(<= ULTIMATE.start_main_~y~4 79), 44855#(<= ULTIMATE.start_main_~y~4 80), 44856#(<= ULTIMATE.start_main_~y~4 81), 44857#(<= ULTIMATE.start_main_~y~4 82), 44858#(<= ULTIMATE.start_main_~y~4 83), 44859#(<= ULTIMATE.start_main_~y~4 84), 44860#(<= ULTIMATE.start_main_~y~4 85), 44861#(<= ULTIMATE.start_main_~y~4 86), 44862#(<= ULTIMATE.start_main_~y~4 87), 44863#(<= ULTIMATE.start_main_~y~4 88), 44864#(<= ULTIMATE.start_main_~y~4 89), 44865#(<= ULTIMATE.start_main_~y~4 90), 44866#(<= ULTIMATE.start_main_~y~4 91), 44867#(<= ULTIMATE.start_main_~y~4 92), 44868#(<= ULTIMATE.start_main_~y~4 93), 44869#(<= ULTIMATE.start_main_~y~4 94), 44870#(<= ULTIMATE.start_main_~y~4 95), 44871#(<= ULTIMATE.start_main_~y~4 96), 44872#(<= ULTIMATE.start_main_~y~4 97), 44873#(<= ULTIMATE.start_main_~y~4 98), 44874#(<= ULTIMATE.start_main_~y~4 99), 44875#(<= ULTIMATE.start_main_~y~4 100), 44876#(<= ULTIMATE.start_main_~y~4 101), 44877#(<= ULTIMATE.start_main_~y~4 102), 44878#(<= ULTIMATE.start_main_~y~4 103), 44879#(<= ULTIMATE.start_main_~y~4 104), 44880#(<= ULTIMATE.start_main_~y~4 105), 44881#(<= ULTIMATE.start_main_~y~4 106), 44882#(<= ULTIMATE.start_main_~y~4 107), 44883#(<= ULTIMATE.start_main_~y~4 108), 44884#(<= ULTIMATE.start_main_~y~4 109), 44885#(<= ULTIMATE.start_main_~y~4 110), 44886#(<= ULTIMATE.start_main_~y~4 111), 44887#(<= ULTIMATE.start_main_~y~4 112), 44888#(<= ULTIMATE.start_main_~y~4 113), 44889#(<= ULTIMATE.start_main_~y~4 114), 44890#(<= ULTIMATE.start_main_~y~4 115), 44891#(<= ULTIMATE.start_main_~y~4 116), 44892#(<= ULTIMATE.start_main_~y~4 117), 44893#(<= ULTIMATE.start_main_~y~4 118), 44894#(<= ULTIMATE.start_main_~y~4 119), 44895#(<= ULTIMATE.start_main_~y~4 120), 44896#(<= ULTIMATE.start_main_~y~4 121), 44897#(<= ULTIMATE.start_main_~y~4 122), 44898#(<= ULTIMATE.start_main_~y~4 123), 44899#(<= ULTIMATE.start_main_~y~4 124), 44900#(<= ULTIMATE.start_main_~y~4 125), 44901#(<= ULTIMATE.start_main_~y~4 126), 44902#(<= ULTIMATE.start_main_~y~4 127), 44903#(<= ULTIMATE.start_main_~y~4 128), 44904#(<= ULTIMATE.start_main_~y~4 129), 44773#true, 44774#false, 44775#(<= ULTIMATE.start_main_~y~4 0), 44776#(<= ULTIMATE.start_main_~y~4 1), 44777#(<= ULTIMATE.start_main_~y~4 2), 44778#(<= ULTIMATE.start_main_~y~4 3), 44779#(<= ULTIMATE.start_main_~y~4 4), 44780#(<= ULTIMATE.start_main_~y~4 5), 44781#(<= ULTIMATE.start_main_~y~4 6), 44782#(<= ULTIMATE.start_main_~y~4 7), 44783#(<= ULTIMATE.start_main_~y~4 8), 44784#(<= ULTIMATE.start_main_~y~4 9), 44785#(<= ULTIMATE.start_main_~y~4 10), 44786#(<= ULTIMATE.start_main_~y~4 11), 44787#(<= ULTIMATE.start_main_~y~4 12), 44788#(<= ULTIMATE.start_main_~y~4 13), 44789#(<= ULTIMATE.start_main_~y~4 14), 44790#(<= ULTIMATE.start_main_~y~4 15), 44791#(<= ULTIMATE.start_main_~y~4 16), 44792#(<= ULTIMATE.start_main_~y~4 17), 44793#(<= ULTIMATE.start_main_~y~4 18), 44794#(<= ULTIMATE.start_main_~y~4 19), 44795#(<= ULTIMATE.start_main_~y~4 20), 44796#(<= ULTIMATE.start_main_~y~4 21), 44797#(<= ULTIMATE.start_main_~y~4 22), 44798#(<= ULTIMATE.start_main_~y~4 23), 44799#(<= ULTIMATE.start_main_~y~4 24)] [2018-07-23 13:38:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:02,916 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:38:02,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:38:02,918 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:38:02,919 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 132 states. [2018-07-23 13:38:03,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:03,205 INFO L93 Difference]: Finished difference Result 136 states and 136 transitions. [2018-07-23 13:38:03,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:38:03,205 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 132 [2018-07-23 13:38:03,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:03,206 INFO L225 Difference]: With dead ends: 136 [2018-07-23 13:38:03,206 INFO L226 Difference]: Without dead ends: 134 [2018-07-23 13:38:03,207 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:38:03,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-23 13:38:03,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-07-23 13:38:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-07-23 13:38:03,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 134 transitions. [2018-07-23 13:38:03,211 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 134 transitions. Word has length 132 [2018-07-23 13:38:03,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:03,212 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 134 transitions. [2018-07-23 13:38:03,212 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:38:03,212 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 134 transitions. [2018-07-23 13:38:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-23 13:38:03,212 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:03,213 INFO L357 BasicCegarLoop]: trace histogram [130, 1, 1, 1] [2018-07-23 13:38:03,213 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:03,213 INFO L82 PathProgramCache]: Analyzing trace with hash -909481437, now seen corresponding path program 130 times [2018-07-23 13:38:03,213 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:03,743 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:03,743 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:38:03,743 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:03,744 INFO L185 omatonBuilderFactory]: Interpolants [45568#(<= ULTIMATE.start_main_~y~4 121), 45569#(<= ULTIMATE.start_main_~y~4 122), 45570#(<= ULTIMATE.start_main_~y~4 123), 45571#(<= ULTIMATE.start_main_~y~4 124), 45572#(<= ULTIMATE.start_main_~y~4 125), 45573#(<= ULTIMATE.start_main_~y~4 126), 45574#(<= ULTIMATE.start_main_~y~4 127), 45575#(<= ULTIMATE.start_main_~y~4 128), 45576#(<= ULTIMATE.start_main_~y~4 129), 45577#(<= ULTIMATE.start_main_~y~4 130), 45445#true, 45446#false, 45447#(<= ULTIMATE.start_main_~y~4 0), 45448#(<= ULTIMATE.start_main_~y~4 1), 45449#(<= ULTIMATE.start_main_~y~4 2), 45450#(<= ULTIMATE.start_main_~y~4 3), 45451#(<= ULTIMATE.start_main_~y~4 4), 45452#(<= ULTIMATE.start_main_~y~4 5), 45453#(<= ULTIMATE.start_main_~y~4 6), 45454#(<= ULTIMATE.start_main_~y~4 7), 45455#(<= ULTIMATE.start_main_~y~4 8), 45456#(<= ULTIMATE.start_main_~y~4 9), 45457#(<= ULTIMATE.start_main_~y~4 10), 45458#(<= ULTIMATE.start_main_~y~4 11), 45459#(<= ULTIMATE.start_main_~y~4 12), 45460#(<= ULTIMATE.start_main_~y~4 13), 45461#(<= ULTIMATE.start_main_~y~4 14), 45462#(<= ULTIMATE.start_main_~y~4 15), 45463#(<= ULTIMATE.start_main_~y~4 16), 45464#(<= ULTIMATE.start_main_~y~4 17), 45465#(<= ULTIMATE.start_main_~y~4 18), 45466#(<= ULTIMATE.start_main_~y~4 19), 45467#(<= ULTIMATE.start_main_~y~4 20), 45468#(<= ULTIMATE.start_main_~y~4 21), 45469#(<= ULTIMATE.start_main_~y~4 22), 45470#(<= ULTIMATE.start_main_~y~4 23), 45471#(<= ULTIMATE.start_main_~y~4 24), 45472#(<= ULTIMATE.start_main_~y~4 25), 45473#(<= ULTIMATE.start_main_~y~4 26), 45474#(<= ULTIMATE.start_main_~y~4 27), 45475#(<= ULTIMATE.start_main_~y~4 28), 45476#(<= ULTIMATE.start_main_~y~4 29), 45477#(<= ULTIMATE.start_main_~y~4 30), 45478#(<= ULTIMATE.start_main_~y~4 31), 45479#(<= ULTIMATE.start_main_~y~4 32), 45480#(<= ULTIMATE.start_main_~y~4 33), 45481#(<= ULTIMATE.start_main_~y~4 34), 45482#(<= ULTIMATE.start_main_~y~4 35), 45483#(<= ULTIMATE.start_main_~y~4 36), 45484#(<= ULTIMATE.start_main_~y~4 37), 45485#(<= ULTIMATE.start_main_~y~4 38), 45486#(<= ULTIMATE.start_main_~y~4 39), 45487#(<= ULTIMATE.start_main_~y~4 40), 45488#(<= ULTIMATE.start_main_~y~4 41), 45489#(<= ULTIMATE.start_main_~y~4 42), 45490#(<= ULTIMATE.start_main_~y~4 43), 45491#(<= ULTIMATE.start_main_~y~4 44), 45492#(<= ULTIMATE.start_main_~y~4 45), 45493#(<= ULTIMATE.start_main_~y~4 46), 45494#(<= ULTIMATE.start_main_~y~4 47), 45495#(<= ULTIMATE.start_main_~y~4 48), 45496#(<= ULTIMATE.start_main_~y~4 49), 45497#(<= ULTIMATE.start_main_~y~4 50), 45498#(<= ULTIMATE.start_main_~y~4 51), 45499#(<= ULTIMATE.start_main_~y~4 52), 45500#(<= ULTIMATE.start_main_~y~4 53), 45501#(<= ULTIMATE.start_main_~y~4 54), 45502#(<= ULTIMATE.start_main_~y~4 55), 45503#(<= ULTIMATE.start_main_~y~4 56), 45504#(<= ULTIMATE.start_main_~y~4 57), 45505#(<= ULTIMATE.start_main_~y~4 58), 45506#(<= ULTIMATE.start_main_~y~4 59), 45507#(<= ULTIMATE.start_main_~y~4 60), 45508#(<= ULTIMATE.start_main_~y~4 61), 45509#(<= ULTIMATE.start_main_~y~4 62), 45510#(<= ULTIMATE.start_main_~y~4 63), 45511#(<= ULTIMATE.start_main_~y~4 64), 45512#(<= ULTIMATE.start_main_~y~4 65), 45513#(<= ULTIMATE.start_main_~y~4 66), 45514#(<= ULTIMATE.start_main_~y~4 67), 45515#(<= ULTIMATE.start_main_~y~4 68), 45516#(<= ULTIMATE.start_main_~y~4 69), 45517#(<= ULTIMATE.start_main_~y~4 70), 45518#(<= ULTIMATE.start_main_~y~4 71), 45519#(<= ULTIMATE.start_main_~y~4 72), 45520#(<= ULTIMATE.start_main_~y~4 73), 45521#(<= ULTIMATE.start_main_~y~4 74), 45522#(<= ULTIMATE.start_main_~y~4 75), 45523#(<= ULTIMATE.start_main_~y~4 76), 45524#(<= ULTIMATE.start_main_~y~4 77), 45525#(<= ULTIMATE.start_main_~y~4 78), 45526#(<= ULTIMATE.start_main_~y~4 79), 45527#(<= ULTIMATE.start_main_~y~4 80), 45528#(<= ULTIMATE.start_main_~y~4 81), 45529#(<= ULTIMATE.start_main_~y~4 82), 45530#(<= ULTIMATE.start_main_~y~4 83), 45531#(<= ULTIMATE.start_main_~y~4 84), 45532#(<= ULTIMATE.start_main_~y~4 85), 45533#(<= ULTIMATE.start_main_~y~4 86), 45534#(<= ULTIMATE.start_main_~y~4 87), 45535#(<= ULTIMATE.start_main_~y~4 88), 45536#(<= ULTIMATE.start_main_~y~4 89), 45537#(<= ULTIMATE.start_main_~y~4 90), 45538#(<= ULTIMATE.start_main_~y~4 91), 45539#(<= ULTIMATE.start_main_~y~4 92), 45540#(<= ULTIMATE.start_main_~y~4 93), 45541#(<= ULTIMATE.start_main_~y~4 94), 45542#(<= ULTIMATE.start_main_~y~4 95), 45543#(<= ULTIMATE.start_main_~y~4 96), 45544#(<= ULTIMATE.start_main_~y~4 97), 45545#(<= ULTIMATE.start_main_~y~4 98), 45546#(<= ULTIMATE.start_main_~y~4 99), 45547#(<= ULTIMATE.start_main_~y~4 100), 45548#(<= ULTIMATE.start_main_~y~4 101), 45549#(<= ULTIMATE.start_main_~y~4 102), 45550#(<= ULTIMATE.start_main_~y~4 103), 45551#(<= ULTIMATE.start_main_~y~4 104), 45552#(<= ULTIMATE.start_main_~y~4 105), 45553#(<= ULTIMATE.start_main_~y~4 106), 45554#(<= ULTIMATE.start_main_~y~4 107), 45555#(<= ULTIMATE.start_main_~y~4 108), 45556#(<= ULTIMATE.start_main_~y~4 109), 45557#(<= ULTIMATE.start_main_~y~4 110), 45558#(<= ULTIMATE.start_main_~y~4 111), 45559#(<= ULTIMATE.start_main_~y~4 112), 45560#(<= ULTIMATE.start_main_~y~4 113), 45561#(<= ULTIMATE.start_main_~y~4 114), 45562#(<= ULTIMATE.start_main_~y~4 115), 45563#(<= ULTIMATE.start_main_~y~4 116), 45564#(<= ULTIMATE.start_main_~y~4 117), 45565#(<= ULTIMATE.start_main_~y~4 118), 45566#(<= ULTIMATE.start_main_~y~4 119), 45567#(<= ULTIMATE.start_main_~y~4 120)] [2018-07-23 13:38:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:03,745 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:38:03,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:38:03,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:38:03,746 INFO L87 Difference]: Start difference. First operand 134 states and 134 transitions. Second operand 133 states. [2018-07-23 13:38:03,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:03,935 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:38:03,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:38:03,935 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 133 [2018-07-23 13:38:03,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:03,936 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:38:03,936 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:38:03,937 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:38:03,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:38:03,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:38:03,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:38:03,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:38:03,939 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 133 [2018-07-23 13:38:03,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:03,940 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:38:03,940 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:38:03,940 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:38:03,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:38:03,940 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:03,940 INFO L357 BasicCegarLoop]: trace histogram [131, 1, 1, 1] [2018-07-23 13:38:03,941 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:03,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1870848332, now seen corresponding path program 131 times [2018-07-23 13:38:03,941 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:04,340 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:04,341 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:38:04,341 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:04,341 INFO L185 omatonBuilderFactory]: Interpolants [46122#true, 46123#false, 46124#(<= ULTIMATE.start_main_~y~4 0), 46125#(<= ULTIMATE.start_main_~y~4 1), 46126#(<= ULTIMATE.start_main_~y~4 2), 46127#(<= ULTIMATE.start_main_~y~4 3), 46128#(<= ULTIMATE.start_main_~y~4 4), 46129#(<= ULTIMATE.start_main_~y~4 5), 46130#(<= ULTIMATE.start_main_~y~4 6), 46131#(<= ULTIMATE.start_main_~y~4 7), 46132#(<= ULTIMATE.start_main_~y~4 8), 46133#(<= ULTIMATE.start_main_~y~4 9), 46134#(<= ULTIMATE.start_main_~y~4 10), 46135#(<= ULTIMATE.start_main_~y~4 11), 46136#(<= ULTIMATE.start_main_~y~4 12), 46137#(<= ULTIMATE.start_main_~y~4 13), 46138#(<= ULTIMATE.start_main_~y~4 14), 46139#(<= ULTIMATE.start_main_~y~4 15), 46140#(<= ULTIMATE.start_main_~y~4 16), 46141#(<= ULTIMATE.start_main_~y~4 17), 46142#(<= ULTIMATE.start_main_~y~4 18), 46143#(<= ULTIMATE.start_main_~y~4 19), 46144#(<= ULTIMATE.start_main_~y~4 20), 46145#(<= ULTIMATE.start_main_~y~4 21), 46146#(<= ULTIMATE.start_main_~y~4 22), 46147#(<= ULTIMATE.start_main_~y~4 23), 46148#(<= ULTIMATE.start_main_~y~4 24), 46149#(<= ULTIMATE.start_main_~y~4 25), 46150#(<= ULTIMATE.start_main_~y~4 26), 46151#(<= ULTIMATE.start_main_~y~4 27), 46152#(<= ULTIMATE.start_main_~y~4 28), 46153#(<= ULTIMATE.start_main_~y~4 29), 46154#(<= ULTIMATE.start_main_~y~4 30), 46155#(<= ULTIMATE.start_main_~y~4 31), 46156#(<= ULTIMATE.start_main_~y~4 32), 46157#(<= ULTIMATE.start_main_~y~4 33), 46158#(<= ULTIMATE.start_main_~y~4 34), 46159#(<= ULTIMATE.start_main_~y~4 35), 46160#(<= ULTIMATE.start_main_~y~4 36), 46161#(<= ULTIMATE.start_main_~y~4 37), 46162#(<= ULTIMATE.start_main_~y~4 38), 46163#(<= ULTIMATE.start_main_~y~4 39), 46164#(<= ULTIMATE.start_main_~y~4 40), 46165#(<= ULTIMATE.start_main_~y~4 41), 46166#(<= ULTIMATE.start_main_~y~4 42), 46167#(<= ULTIMATE.start_main_~y~4 43), 46168#(<= ULTIMATE.start_main_~y~4 44), 46169#(<= ULTIMATE.start_main_~y~4 45), 46170#(<= ULTIMATE.start_main_~y~4 46), 46171#(<= ULTIMATE.start_main_~y~4 47), 46172#(<= ULTIMATE.start_main_~y~4 48), 46173#(<= ULTIMATE.start_main_~y~4 49), 46174#(<= ULTIMATE.start_main_~y~4 50), 46175#(<= ULTIMATE.start_main_~y~4 51), 46176#(<= ULTIMATE.start_main_~y~4 52), 46177#(<= ULTIMATE.start_main_~y~4 53), 46178#(<= ULTIMATE.start_main_~y~4 54), 46179#(<= ULTIMATE.start_main_~y~4 55), 46180#(<= ULTIMATE.start_main_~y~4 56), 46181#(<= ULTIMATE.start_main_~y~4 57), 46182#(<= ULTIMATE.start_main_~y~4 58), 46183#(<= ULTIMATE.start_main_~y~4 59), 46184#(<= ULTIMATE.start_main_~y~4 60), 46185#(<= ULTIMATE.start_main_~y~4 61), 46186#(<= ULTIMATE.start_main_~y~4 62), 46187#(<= ULTIMATE.start_main_~y~4 63), 46188#(<= ULTIMATE.start_main_~y~4 64), 46189#(<= ULTIMATE.start_main_~y~4 65), 46190#(<= ULTIMATE.start_main_~y~4 66), 46191#(<= ULTIMATE.start_main_~y~4 67), 46192#(<= ULTIMATE.start_main_~y~4 68), 46193#(<= ULTIMATE.start_main_~y~4 69), 46194#(<= ULTIMATE.start_main_~y~4 70), 46195#(<= ULTIMATE.start_main_~y~4 71), 46196#(<= ULTIMATE.start_main_~y~4 72), 46197#(<= ULTIMATE.start_main_~y~4 73), 46198#(<= ULTIMATE.start_main_~y~4 74), 46199#(<= ULTIMATE.start_main_~y~4 75), 46200#(<= ULTIMATE.start_main_~y~4 76), 46201#(<= ULTIMATE.start_main_~y~4 77), 46202#(<= ULTIMATE.start_main_~y~4 78), 46203#(<= ULTIMATE.start_main_~y~4 79), 46204#(<= ULTIMATE.start_main_~y~4 80), 46205#(<= ULTIMATE.start_main_~y~4 81), 46206#(<= ULTIMATE.start_main_~y~4 82), 46207#(<= ULTIMATE.start_main_~y~4 83), 46208#(<= ULTIMATE.start_main_~y~4 84), 46209#(<= ULTIMATE.start_main_~y~4 85), 46210#(<= ULTIMATE.start_main_~y~4 86), 46211#(<= ULTIMATE.start_main_~y~4 87), 46212#(<= ULTIMATE.start_main_~y~4 88), 46213#(<= ULTIMATE.start_main_~y~4 89), 46214#(<= ULTIMATE.start_main_~y~4 90), 46215#(<= ULTIMATE.start_main_~y~4 91), 46216#(<= ULTIMATE.start_main_~y~4 92), 46217#(<= ULTIMATE.start_main_~y~4 93), 46218#(<= ULTIMATE.start_main_~y~4 94), 46219#(<= ULTIMATE.start_main_~y~4 95), 46220#(<= ULTIMATE.start_main_~y~4 96), 46221#(<= ULTIMATE.start_main_~y~4 97), 46222#(<= ULTIMATE.start_main_~y~4 98), 46223#(<= ULTIMATE.start_main_~y~4 99), 46224#(<= ULTIMATE.start_main_~y~4 100), 46225#(<= ULTIMATE.start_main_~y~4 101), 46226#(<= ULTIMATE.start_main_~y~4 102), 46227#(<= ULTIMATE.start_main_~y~4 103), 46228#(<= ULTIMATE.start_main_~y~4 104), 46229#(<= ULTIMATE.start_main_~y~4 105), 46230#(<= ULTIMATE.start_main_~y~4 106), 46231#(<= ULTIMATE.start_main_~y~4 107), 46232#(<= ULTIMATE.start_main_~y~4 108), 46233#(<= ULTIMATE.start_main_~y~4 109), 46234#(<= ULTIMATE.start_main_~y~4 110), 46235#(<= ULTIMATE.start_main_~y~4 111), 46236#(<= ULTIMATE.start_main_~y~4 112), 46237#(<= ULTIMATE.start_main_~y~4 113), 46238#(<= ULTIMATE.start_main_~y~4 114), 46239#(<= ULTIMATE.start_main_~y~4 115), 46240#(<= ULTIMATE.start_main_~y~4 116), 46241#(<= ULTIMATE.start_main_~y~4 117), 46242#(<= ULTIMATE.start_main_~y~4 118), 46243#(<= ULTIMATE.start_main_~y~4 119), 46244#(<= ULTIMATE.start_main_~y~4 120), 46245#(<= ULTIMATE.start_main_~y~4 121), 46246#(<= ULTIMATE.start_main_~y~4 122), 46247#(<= ULTIMATE.start_main_~y~4 123), 46248#(<= ULTIMATE.start_main_~y~4 124), 46249#(<= ULTIMATE.start_main_~y~4 125), 46250#(<= ULTIMATE.start_main_~y~4 126), 46251#(<= ULTIMATE.start_main_~y~4 127), 46252#(<= ULTIMATE.start_main_~y~4 128), 46253#(<= ULTIMATE.start_main_~y~4 129), 46254#(<= ULTIMATE.start_main_~y~4 130), 46255#(<= ULTIMATE.start_main_~y~4 131)] [2018-07-23 13:38:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:04,342 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:38:04,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:38:04,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:38:04,344 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 134 states. [2018-07-23 13:38:04,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:04,539 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-07-23 13:38:04,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:38:04,539 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 134 [2018-07-23 13:38:04,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:04,539 INFO L225 Difference]: With dead ends: 138 [2018-07-23 13:38:04,540 INFO L226 Difference]: Without dead ends: 136 [2018-07-23 13:38:04,540 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:38:04,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-07-23 13:38:04,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-07-23 13:38:04,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-07-23 13:38:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 136 transitions. [2018-07-23 13:38:04,542 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 136 transitions. Word has length 134 [2018-07-23 13:38:04,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:04,542 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 136 transitions. [2018-07-23 13:38:04,542 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:38:04,542 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 136 transitions. [2018-07-23 13:38:04,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-23 13:38:04,543 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:04,543 INFO L357 BasicCegarLoop]: trace histogram [132, 1, 1, 1] [2018-07-23 13:38:04,543 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:04,543 INFO L82 PathProgramCache]: Analyzing trace with hash -2133242045, now seen corresponding path program 132 times [2018-07-23 13:38:04,543 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:04,902 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:04,902 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:38:04,902 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:04,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:04,903 INFO L185 omatonBuilderFactory]: Interpolants [46848#(<= ULTIMATE.start_main_~y~4 42), 46849#(<= ULTIMATE.start_main_~y~4 43), 46850#(<= ULTIMATE.start_main_~y~4 44), 46851#(<= ULTIMATE.start_main_~y~4 45), 46852#(<= ULTIMATE.start_main_~y~4 46), 46853#(<= ULTIMATE.start_main_~y~4 47), 46854#(<= ULTIMATE.start_main_~y~4 48), 46855#(<= ULTIMATE.start_main_~y~4 49), 46856#(<= ULTIMATE.start_main_~y~4 50), 46857#(<= ULTIMATE.start_main_~y~4 51), 46858#(<= ULTIMATE.start_main_~y~4 52), 46859#(<= ULTIMATE.start_main_~y~4 53), 46860#(<= ULTIMATE.start_main_~y~4 54), 46861#(<= ULTIMATE.start_main_~y~4 55), 46862#(<= ULTIMATE.start_main_~y~4 56), 46863#(<= ULTIMATE.start_main_~y~4 57), 46864#(<= ULTIMATE.start_main_~y~4 58), 46865#(<= ULTIMATE.start_main_~y~4 59), 46866#(<= ULTIMATE.start_main_~y~4 60), 46867#(<= ULTIMATE.start_main_~y~4 61), 46868#(<= ULTIMATE.start_main_~y~4 62), 46869#(<= ULTIMATE.start_main_~y~4 63), 46870#(<= ULTIMATE.start_main_~y~4 64), 46871#(<= ULTIMATE.start_main_~y~4 65), 46872#(<= ULTIMATE.start_main_~y~4 66), 46873#(<= ULTIMATE.start_main_~y~4 67), 46874#(<= ULTIMATE.start_main_~y~4 68), 46875#(<= ULTIMATE.start_main_~y~4 69), 46876#(<= ULTIMATE.start_main_~y~4 70), 46877#(<= ULTIMATE.start_main_~y~4 71), 46878#(<= ULTIMATE.start_main_~y~4 72), 46879#(<= ULTIMATE.start_main_~y~4 73), 46880#(<= ULTIMATE.start_main_~y~4 74), 46881#(<= ULTIMATE.start_main_~y~4 75), 46882#(<= ULTIMATE.start_main_~y~4 76), 46883#(<= ULTIMATE.start_main_~y~4 77), 46884#(<= ULTIMATE.start_main_~y~4 78), 46885#(<= ULTIMATE.start_main_~y~4 79), 46886#(<= ULTIMATE.start_main_~y~4 80), 46887#(<= ULTIMATE.start_main_~y~4 81), 46888#(<= ULTIMATE.start_main_~y~4 82), 46889#(<= ULTIMATE.start_main_~y~4 83), 46890#(<= ULTIMATE.start_main_~y~4 84), 46891#(<= ULTIMATE.start_main_~y~4 85), 46892#(<= ULTIMATE.start_main_~y~4 86), 46893#(<= ULTIMATE.start_main_~y~4 87), 46894#(<= ULTIMATE.start_main_~y~4 88), 46895#(<= ULTIMATE.start_main_~y~4 89), 46896#(<= ULTIMATE.start_main_~y~4 90), 46897#(<= ULTIMATE.start_main_~y~4 91), 46898#(<= ULTIMATE.start_main_~y~4 92), 46899#(<= ULTIMATE.start_main_~y~4 93), 46900#(<= ULTIMATE.start_main_~y~4 94), 46901#(<= ULTIMATE.start_main_~y~4 95), 46902#(<= ULTIMATE.start_main_~y~4 96), 46903#(<= ULTIMATE.start_main_~y~4 97), 46904#(<= ULTIMATE.start_main_~y~4 98), 46905#(<= ULTIMATE.start_main_~y~4 99), 46906#(<= ULTIMATE.start_main_~y~4 100), 46907#(<= ULTIMATE.start_main_~y~4 101), 46908#(<= ULTIMATE.start_main_~y~4 102), 46909#(<= ULTIMATE.start_main_~y~4 103), 46910#(<= ULTIMATE.start_main_~y~4 104), 46911#(<= ULTIMATE.start_main_~y~4 105), 46912#(<= ULTIMATE.start_main_~y~4 106), 46913#(<= ULTIMATE.start_main_~y~4 107), 46914#(<= ULTIMATE.start_main_~y~4 108), 46915#(<= ULTIMATE.start_main_~y~4 109), 46916#(<= ULTIMATE.start_main_~y~4 110), 46917#(<= ULTIMATE.start_main_~y~4 111), 46918#(<= ULTIMATE.start_main_~y~4 112), 46919#(<= ULTIMATE.start_main_~y~4 113), 46920#(<= ULTIMATE.start_main_~y~4 114), 46921#(<= ULTIMATE.start_main_~y~4 115), 46922#(<= ULTIMATE.start_main_~y~4 116), 46923#(<= ULTIMATE.start_main_~y~4 117), 46924#(<= ULTIMATE.start_main_~y~4 118), 46925#(<= ULTIMATE.start_main_~y~4 119), 46926#(<= ULTIMATE.start_main_~y~4 120), 46927#(<= ULTIMATE.start_main_~y~4 121), 46928#(<= ULTIMATE.start_main_~y~4 122), 46929#(<= ULTIMATE.start_main_~y~4 123), 46930#(<= ULTIMATE.start_main_~y~4 124), 46931#(<= ULTIMATE.start_main_~y~4 125), 46932#(<= ULTIMATE.start_main_~y~4 126), 46933#(<= ULTIMATE.start_main_~y~4 127), 46934#(<= ULTIMATE.start_main_~y~4 128), 46935#(<= ULTIMATE.start_main_~y~4 129), 46936#(<= ULTIMATE.start_main_~y~4 130), 46937#(<= ULTIMATE.start_main_~y~4 131), 46938#(<= ULTIMATE.start_main_~y~4 132), 46804#true, 46805#false, 46806#(<= ULTIMATE.start_main_~y~4 0), 46807#(<= ULTIMATE.start_main_~y~4 1), 46808#(<= ULTIMATE.start_main_~y~4 2), 46809#(<= ULTIMATE.start_main_~y~4 3), 46810#(<= ULTIMATE.start_main_~y~4 4), 46811#(<= ULTIMATE.start_main_~y~4 5), 46812#(<= ULTIMATE.start_main_~y~4 6), 46813#(<= ULTIMATE.start_main_~y~4 7), 46814#(<= ULTIMATE.start_main_~y~4 8), 46815#(<= ULTIMATE.start_main_~y~4 9), 46816#(<= ULTIMATE.start_main_~y~4 10), 46817#(<= ULTIMATE.start_main_~y~4 11), 46818#(<= ULTIMATE.start_main_~y~4 12), 46819#(<= ULTIMATE.start_main_~y~4 13), 46820#(<= ULTIMATE.start_main_~y~4 14), 46821#(<= ULTIMATE.start_main_~y~4 15), 46822#(<= ULTIMATE.start_main_~y~4 16), 46823#(<= ULTIMATE.start_main_~y~4 17), 46824#(<= ULTIMATE.start_main_~y~4 18), 46825#(<= ULTIMATE.start_main_~y~4 19), 46826#(<= ULTIMATE.start_main_~y~4 20), 46827#(<= ULTIMATE.start_main_~y~4 21), 46828#(<= ULTIMATE.start_main_~y~4 22), 46829#(<= ULTIMATE.start_main_~y~4 23), 46830#(<= ULTIMATE.start_main_~y~4 24), 46831#(<= ULTIMATE.start_main_~y~4 25), 46832#(<= ULTIMATE.start_main_~y~4 26), 46833#(<= ULTIMATE.start_main_~y~4 27), 46834#(<= ULTIMATE.start_main_~y~4 28), 46835#(<= ULTIMATE.start_main_~y~4 29), 46836#(<= ULTIMATE.start_main_~y~4 30), 46837#(<= ULTIMATE.start_main_~y~4 31), 46838#(<= ULTIMATE.start_main_~y~4 32), 46839#(<= ULTIMATE.start_main_~y~4 33), 46840#(<= ULTIMATE.start_main_~y~4 34), 46841#(<= ULTIMATE.start_main_~y~4 35), 46842#(<= ULTIMATE.start_main_~y~4 36), 46843#(<= ULTIMATE.start_main_~y~4 37), 46844#(<= ULTIMATE.start_main_~y~4 38), 46845#(<= ULTIMATE.start_main_~y~4 39), 46846#(<= ULTIMATE.start_main_~y~4 40), 46847#(<= ULTIMATE.start_main_~y~4 41)] [2018-07-23 13:38:04,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:04,904 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:38:04,905 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:38:04,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:38:04,906 INFO L87 Difference]: Start difference. First operand 136 states and 136 transitions. Second operand 135 states. [2018-07-23 13:38:05,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:05,028 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:38:05,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:38:05,029 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 135 [2018-07-23 13:38:05,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:05,029 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:38:05,029 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:38:05,030 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:38:05,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:38:05,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:38:05,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:38:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:38:05,032 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 135 [2018-07-23 13:38:05,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:05,033 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:38:05,033 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:38:05,033 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:38:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:38:05,033 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:05,034 INFO L357 BasicCegarLoop]: trace histogram [133, 1, 1, 1] [2018-07-23 13:38:05,034 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:05,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1705992148, now seen corresponding path program 133 times [2018-07-23 13:38:05,034 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:05,420 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:05,420 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:38:05,420 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:05,421 INFO L185 omatonBuilderFactory]: Interpolants [47616#(<= ULTIMATE.start_main_~y~4 123), 47617#(<= ULTIMATE.start_main_~y~4 124), 47618#(<= ULTIMATE.start_main_~y~4 125), 47619#(<= ULTIMATE.start_main_~y~4 126), 47620#(<= ULTIMATE.start_main_~y~4 127), 47621#(<= ULTIMATE.start_main_~y~4 128), 47622#(<= ULTIMATE.start_main_~y~4 129), 47623#(<= ULTIMATE.start_main_~y~4 130), 47624#(<= ULTIMATE.start_main_~y~4 131), 47625#(<= ULTIMATE.start_main_~y~4 132), 47626#(<= ULTIMATE.start_main_~y~4 133), 47491#true, 47492#false, 47493#(<= ULTIMATE.start_main_~y~4 0), 47494#(<= ULTIMATE.start_main_~y~4 1), 47495#(<= ULTIMATE.start_main_~y~4 2), 47496#(<= ULTIMATE.start_main_~y~4 3), 47497#(<= ULTIMATE.start_main_~y~4 4), 47498#(<= ULTIMATE.start_main_~y~4 5), 47499#(<= ULTIMATE.start_main_~y~4 6), 47500#(<= ULTIMATE.start_main_~y~4 7), 47501#(<= ULTIMATE.start_main_~y~4 8), 47502#(<= ULTIMATE.start_main_~y~4 9), 47503#(<= ULTIMATE.start_main_~y~4 10), 47504#(<= ULTIMATE.start_main_~y~4 11), 47505#(<= ULTIMATE.start_main_~y~4 12), 47506#(<= ULTIMATE.start_main_~y~4 13), 47507#(<= ULTIMATE.start_main_~y~4 14), 47508#(<= ULTIMATE.start_main_~y~4 15), 47509#(<= ULTIMATE.start_main_~y~4 16), 47510#(<= ULTIMATE.start_main_~y~4 17), 47511#(<= ULTIMATE.start_main_~y~4 18), 47512#(<= ULTIMATE.start_main_~y~4 19), 47513#(<= ULTIMATE.start_main_~y~4 20), 47514#(<= ULTIMATE.start_main_~y~4 21), 47515#(<= ULTIMATE.start_main_~y~4 22), 47516#(<= ULTIMATE.start_main_~y~4 23), 47517#(<= ULTIMATE.start_main_~y~4 24), 47518#(<= ULTIMATE.start_main_~y~4 25), 47519#(<= ULTIMATE.start_main_~y~4 26), 47520#(<= ULTIMATE.start_main_~y~4 27), 47521#(<= ULTIMATE.start_main_~y~4 28), 47522#(<= ULTIMATE.start_main_~y~4 29), 47523#(<= ULTIMATE.start_main_~y~4 30), 47524#(<= ULTIMATE.start_main_~y~4 31), 47525#(<= ULTIMATE.start_main_~y~4 32), 47526#(<= ULTIMATE.start_main_~y~4 33), 47527#(<= ULTIMATE.start_main_~y~4 34), 47528#(<= ULTIMATE.start_main_~y~4 35), 47529#(<= ULTIMATE.start_main_~y~4 36), 47530#(<= ULTIMATE.start_main_~y~4 37), 47531#(<= ULTIMATE.start_main_~y~4 38), 47532#(<= ULTIMATE.start_main_~y~4 39), 47533#(<= ULTIMATE.start_main_~y~4 40), 47534#(<= ULTIMATE.start_main_~y~4 41), 47535#(<= ULTIMATE.start_main_~y~4 42), 47536#(<= ULTIMATE.start_main_~y~4 43), 47537#(<= ULTIMATE.start_main_~y~4 44), 47538#(<= ULTIMATE.start_main_~y~4 45), 47539#(<= ULTIMATE.start_main_~y~4 46), 47540#(<= ULTIMATE.start_main_~y~4 47), 47541#(<= ULTIMATE.start_main_~y~4 48), 47542#(<= ULTIMATE.start_main_~y~4 49), 47543#(<= ULTIMATE.start_main_~y~4 50), 47544#(<= ULTIMATE.start_main_~y~4 51), 47545#(<= ULTIMATE.start_main_~y~4 52), 47546#(<= ULTIMATE.start_main_~y~4 53), 47547#(<= ULTIMATE.start_main_~y~4 54), 47548#(<= ULTIMATE.start_main_~y~4 55), 47549#(<= ULTIMATE.start_main_~y~4 56), 47550#(<= ULTIMATE.start_main_~y~4 57), 47551#(<= ULTIMATE.start_main_~y~4 58), 47552#(<= ULTIMATE.start_main_~y~4 59), 47553#(<= ULTIMATE.start_main_~y~4 60), 47554#(<= ULTIMATE.start_main_~y~4 61), 47555#(<= ULTIMATE.start_main_~y~4 62), 47556#(<= ULTIMATE.start_main_~y~4 63), 47557#(<= ULTIMATE.start_main_~y~4 64), 47558#(<= ULTIMATE.start_main_~y~4 65), 47559#(<= ULTIMATE.start_main_~y~4 66), 47560#(<= ULTIMATE.start_main_~y~4 67), 47561#(<= ULTIMATE.start_main_~y~4 68), 47562#(<= ULTIMATE.start_main_~y~4 69), 47563#(<= ULTIMATE.start_main_~y~4 70), 47564#(<= ULTIMATE.start_main_~y~4 71), 47565#(<= ULTIMATE.start_main_~y~4 72), 47566#(<= ULTIMATE.start_main_~y~4 73), 47567#(<= ULTIMATE.start_main_~y~4 74), 47568#(<= ULTIMATE.start_main_~y~4 75), 47569#(<= ULTIMATE.start_main_~y~4 76), 47570#(<= ULTIMATE.start_main_~y~4 77), 47571#(<= ULTIMATE.start_main_~y~4 78), 47572#(<= ULTIMATE.start_main_~y~4 79), 47573#(<= ULTIMATE.start_main_~y~4 80), 47574#(<= ULTIMATE.start_main_~y~4 81), 47575#(<= ULTIMATE.start_main_~y~4 82), 47576#(<= ULTIMATE.start_main_~y~4 83), 47577#(<= ULTIMATE.start_main_~y~4 84), 47578#(<= ULTIMATE.start_main_~y~4 85), 47579#(<= ULTIMATE.start_main_~y~4 86), 47580#(<= ULTIMATE.start_main_~y~4 87), 47581#(<= ULTIMATE.start_main_~y~4 88), 47582#(<= ULTIMATE.start_main_~y~4 89), 47583#(<= ULTIMATE.start_main_~y~4 90), 47584#(<= ULTIMATE.start_main_~y~4 91), 47585#(<= ULTIMATE.start_main_~y~4 92), 47586#(<= ULTIMATE.start_main_~y~4 93), 47587#(<= ULTIMATE.start_main_~y~4 94), 47588#(<= ULTIMATE.start_main_~y~4 95), 47589#(<= ULTIMATE.start_main_~y~4 96), 47590#(<= ULTIMATE.start_main_~y~4 97), 47591#(<= ULTIMATE.start_main_~y~4 98), 47592#(<= ULTIMATE.start_main_~y~4 99), 47593#(<= ULTIMATE.start_main_~y~4 100), 47594#(<= ULTIMATE.start_main_~y~4 101), 47595#(<= ULTIMATE.start_main_~y~4 102), 47596#(<= ULTIMATE.start_main_~y~4 103), 47597#(<= ULTIMATE.start_main_~y~4 104), 47598#(<= ULTIMATE.start_main_~y~4 105), 47599#(<= ULTIMATE.start_main_~y~4 106), 47600#(<= ULTIMATE.start_main_~y~4 107), 47601#(<= ULTIMATE.start_main_~y~4 108), 47602#(<= ULTIMATE.start_main_~y~4 109), 47603#(<= ULTIMATE.start_main_~y~4 110), 47604#(<= ULTIMATE.start_main_~y~4 111), 47605#(<= ULTIMATE.start_main_~y~4 112), 47606#(<= ULTIMATE.start_main_~y~4 113), 47607#(<= ULTIMATE.start_main_~y~4 114), 47608#(<= ULTIMATE.start_main_~y~4 115), 47609#(<= ULTIMATE.start_main_~y~4 116), 47610#(<= ULTIMATE.start_main_~y~4 117), 47611#(<= ULTIMATE.start_main_~y~4 118), 47612#(<= ULTIMATE.start_main_~y~4 119), 47613#(<= ULTIMATE.start_main_~y~4 120), 47614#(<= ULTIMATE.start_main_~y~4 121), 47615#(<= ULTIMATE.start_main_~y~4 122)] [2018-07-23 13:38:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:05,422 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:38:05,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:38:05,424 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:38:05,424 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 136 states. [2018-07-23 13:38:05,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:05,618 INFO L93 Difference]: Finished difference Result 140 states and 140 transitions. [2018-07-23 13:38:05,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:38:05,618 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 136 [2018-07-23 13:38:05,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:05,619 INFO L225 Difference]: With dead ends: 140 [2018-07-23 13:38:05,619 INFO L226 Difference]: Without dead ends: 138 [2018-07-23 13:38:05,620 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:38:05,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-07-23 13:38:05,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-07-23 13:38:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-07-23 13:38:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2018-07-23 13:38:05,623 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 136 [2018-07-23 13:38:05,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:05,623 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 138 transitions. [2018-07-23 13:38:05,624 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:38:05,624 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions. [2018-07-23 13:38:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-07-23 13:38:05,624 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:05,624 INFO L357 BasicCegarLoop]: trace histogram [134, 1, 1, 1] [2018-07-23 13:38:05,624 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:05,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1346147229, now seen corresponding path program 134 times [2018-07-23 13:38:05,625 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:06,012 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:06,013 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:38:06,013 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:06,013 INFO L185 omatonBuilderFactory]: Interpolants [48183#true, 48184#false, 48185#(<= ULTIMATE.start_main_~y~4 0), 48186#(<= ULTIMATE.start_main_~y~4 1), 48187#(<= ULTIMATE.start_main_~y~4 2), 48188#(<= ULTIMATE.start_main_~y~4 3), 48189#(<= ULTIMATE.start_main_~y~4 4), 48190#(<= ULTIMATE.start_main_~y~4 5), 48191#(<= ULTIMATE.start_main_~y~4 6), 48192#(<= ULTIMATE.start_main_~y~4 7), 48193#(<= ULTIMATE.start_main_~y~4 8), 48194#(<= ULTIMATE.start_main_~y~4 9), 48195#(<= ULTIMATE.start_main_~y~4 10), 48196#(<= ULTIMATE.start_main_~y~4 11), 48197#(<= ULTIMATE.start_main_~y~4 12), 48198#(<= ULTIMATE.start_main_~y~4 13), 48199#(<= ULTIMATE.start_main_~y~4 14), 48200#(<= ULTIMATE.start_main_~y~4 15), 48201#(<= ULTIMATE.start_main_~y~4 16), 48202#(<= ULTIMATE.start_main_~y~4 17), 48203#(<= ULTIMATE.start_main_~y~4 18), 48204#(<= ULTIMATE.start_main_~y~4 19), 48205#(<= ULTIMATE.start_main_~y~4 20), 48206#(<= ULTIMATE.start_main_~y~4 21), 48207#(<= ULTIMATE.start_main_~y~4 22), 48208#(<= ULTIMATE.start_main_~y~4 23), 48209#(<= ULTIMATE.start_main_~y~4 24), 48210#(<= ULTIMATE.start_main_~y~4 25), 48211#(<= ULTIMATE.start_main_~y~4 26), 48212#(<= ULTIMATE.start_main_~y~4 27), 48213#(<= ULTIMATE.start_main_~y~4 28), 48214#(<= ULTIMATE.start_main_~y~4 29), 48215#(<= ULTIMATE.start_main_~y~4 30), 48216#(<= ULTIMATE.start_main_~y~4 31), 48217#(<= ULTIMATE.start_main_~y~4 32), 48218#(<= ULTIMATE.start_main_~y~4 33), 48219#(<= ULTIMATE.start_main_~y~4 34), 48220#(<= ULTIMATE.start_main_~y~4 35), 48221#(<= ULTIMATE.start_main_~y~4 36), 48222#(<= ULTIMATE.start_main_~y~4 37), 48223#(<= ULTIMATE.start_main_~y~4 38), 48224#(<= ULTIMATE.start_main_~y~4 39), 48225#(<= ULTIMATE.start_main_~y~4 40), 48226#(<= ULTIMATE.start_main_~y~4 41), 48227#(<= ULTIMATE.start_main_~y~4 42), 48228#(<= ULTIMATE.start_main_~y~4 43), 48229#(<= ULTIMATE.start_main_~y~4 44), 48230#(<= ULTIMATE.start_main_~y~4 45), 48231#(<= ULTIMATE.start_main_~y~4 46), 48232#(<= ULTIMATE.start_main_~y~4 47), 48233#(<= ULTIMATE.start_main_~y~4 48), 48234#(<= ULTIMATE.start_main_~y~4 49), 48235#(<= ULTIMATE.start_main_~y~4 50), 48236#(<= ULTIMATE.start_main_~y~4 51), 48237#(<= ULTIMATE.start_main_~y~4 52), 48238#(<= ULTIMATE.start_main_~y~4 53), 48239#(<= ULTIMATE.start_main_~y~4 54), 48240#(<= ULTIMATE.start_main_~y~4 55), 48241#(<= ULTIMATE.start_main_~y~4 56), 48242#(<= ULTIMATE.start_main_~y~4 57), 48243#(<= ULTIMATE.start_main_~y~4 58), 48244#(<= ULTIMATE.start_main_~y~4 59), 48245#(<= ULTIMATE.start_main_~y~4 60), 48246#(<= ULTIMATE.start_main_~y~4 61), 48247#(<= ULTIMATE.start_main_~y~4 62), 48248#(<= ULTIMATE.start_main_~y~4 63), 48249#(<= ULTIMATE.start_main_~y~4 64), 48250#(<= ULTIMATE.start_main_~y~4 65), 48251#(<= ULTIMATE.start_main_~y~4 66), 48252#(<= ULTIMATE.start_main_~y~4 67), 48253#(<= ULTIMATE.start_main_~y~4 68), 48254#(<= ULTIMATE.start_main_~y~4 69), 48255#(<= ULTIMATE.start_main_~y~4 70), 48256#(<= ULTIMATE.start_main_~y~4 71), 48257#(<= ULTIMATE.start_main_~y~4 72), 48258#(<= ULTIMATE.start_main_~y~4 73), 48259#(<= ULTIMATE.start_main_~y~4 74), 48260#(<= ULTIMATE.start_main_~y~4 75), 48261#(<= ULTIMATE.start_main_~y~4 76), 48262#(<= ULTIMATE.start_main_~y~4 77), 48263#(<= ULTIMATE.start_main_~y~4 78), 48264#(<= ULTIMATE.start_main_~y~4 79), 48265#(<= ULTIMATE.start_main_~y~4 80), 48266#(<= ULTIMATE.start_main_~y~4 81), 48267#(<= ULTIMATE.start_main_~y~4 82), 48268#(<= ULTIMATE.start_main_~y~4 83), 48269#(<= ULTIMATE.start_main_~y~4 84), 48270#(<= ULTIMATE.start_main_~y~4 85), 48271#(<= ULTIMATE.start_main_~y~4 86), 48272#(<= ULTIMATE.start_main_~y~4 87), 48273#(<= ULTIMATE.start_main_~y~4 88), 48274#(<= ULTIMATE.start_main_~y~4 89), 48275#(<= ULTIMATE.start_main_~y~4 90), 48276#(<= ULTIMATE.start_main_~y~4 91), 48277#(<= ULTIMATE.start_main_~y~4 92), 48278#(<= ULTIMATE.start_main_~y~4 93), 48279#(<= ULTIMATE.start_main_~y~4 94), 48280#(<= ULTIMATE.start_main_~y~4 95), 48281#(<= ULTIMATE.start_main_~y~4 96), 48282#(<= ULTIMATE.start_main_~y~4 97), 48283#(<= ULTIMATE.start_main_~y~4 98), 48284#(<= ULTIMATE.start_main_~y~4 99), 48285#(<= ULTIMATE.start_main_~y~4 100), 48286#(<= ULTIMATE.start_main_~y~4 101), 48287#(<= ULTIMATE.start_main_~y~4 102), 48288#(<= ULTIMATE.start_main_~y~4 103), 48289#(<= ULTIMATE.start_main_~y~4 104), 48290#(<= ULTIMATE.start_main_~y~4 105), 48291#(<= ULTIMATE.start_main_~y~4 106), 48292#(<= ULTIMATE.start_main_~y~4 107), 48293#(<= ULTIMATE.start_main_~y~4 108), 48294#(<= ULTIMATE.start_main_~y~4 109), 48295#(<= ULTIMATE.start_main_~y~4 110), 48296#(<= ULTIMATE.start_main_~y~4 111), 48297#(<= ULTIMATE.start_main_~y~4 112), 48298#(<= ULTIMATE.start_main_~y~4 113), 48299#(<= ULTIMATE.start_main_~y~4 114), 48300#(<= ULTIMATE.start_main_~y~4 115), 48301#(<= ULTIMATE.start_main_~y~4 116), 48302#(<= ULTIMATE.start_main_~y~4 117), 48303#(<= ULTIMATE.start_main_~y~4 118), 48304#(<= ULTIMATE.start_main_~y~4 119), 48305#(<= ULTIMATE.start_main_~y~4 120), 48306#(<= ULTIMATE.start_main_~y~4 121), 48307#(<= ULTIMATE.start_main_~y~4 122), 48308#(<= ULTIMATE.start_main_~y~4 123), 48309#(<= ULTIMATE.start_main_~y~4 124), 48310#(<= ULTIMATE.start_main_~y~4 125), 48311#(<= ULTIMATE.start_main_~y~4 126), 48312#(<= ULTIMATE.start_main_~y~4 127), 48313#(<= ULTIMATE.start_main_~y~4 128), 48314#(<= ULTIMATE.start_main_~y~4 129), 48315#(<= ULTIMATE.start_main_~y~4 130), 48316#(<= ULTIMATE.start_main_~y~4 131), 48317#(<= ULTIMATE.start_main_~y~4 132), 48318#(<= ULTIMATE.start_main_~y~4 133), 48319#(<= ULTIMATE.start_main_~y~4 134)] [2018-07-23 13:38:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:06,014 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:38:06,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:38:06,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:38:06,015 INFO L87 Difference]: Start difference. First operand 138 states and 138 transitions. Second operand 137 states. [2018-07-23 13:38:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:06,205 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:38:06,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:38:06,205 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 137 [2018-07-23 13:38:06,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:06,206 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:38:06,206 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:38:06,206 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:38:06,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:38:06,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:38:06,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:38:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:38:06,209 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 137 [2018-07-23 13:38:06,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:06,209 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:38:06,209 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:38:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:38:06,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:38:06,209 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:06,209 INFO L357 BasicCegarLoop]: trace histogram [135, 1, 1, 1] [2018-07-23 13:38:06,209 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:06,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1219110668, now seen corresponding path program 135 times [2018-07-23 13:38:06,210 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:06,639 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:06,639 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:38:06,639 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:06,640 INFO L185 omatonBuilderFactory]: Interpolants [48896#(<= ULTIMATE.start_main_~y~4 14), 48897#(<= ULTIMATE.start_main_~y~4 15), 48898#(<= ULTIMATE.start_main_~y~4 16), 48899#(<= ULTIMATE.start_main_~y~4 17), 48900#(<= ULTIMATE.start_main_~y~4 18), 48901#(<= ULTIMATE.start_main_~y~4 19), 48902#(<= ULTIMATE.start_main_~y~4 20), 48903#(<= ULTIMATE.start_main_~y~4 21), 48904#(<= ULTIMATE.start_main_~y~4 22), 48905#(<= ULTIMATE.start_main_~y~4 23), 48906#(<= ULTIMATE.start_main_~y~4 24), 48907#(<= ULTIMATE.start_main_~y~4 25), 48908#(<= ULTIMATE.start_main_~y~4 26), 48909#(<= ULTIMATE.start_main_~y~4 27), 48910#(<= ULTIMATE.start_main_~y~4 28), 48911#(<= ULTIMATE.start_main_~y~4 29), 48912#(<= ULTIMATE.start_main_~y~4 30), 48913#(<= ULTIMATE.start_main_~y~4 31), 48914#(<= ULTIMATE.start_main_~y~4 32), 48915#(<= ULTIMATE.start_main_~y~4 33), 48916#(<= ULTIMATE.start_main_~y~4 34), 48917#(<= ULTIMATE.start_main_~y~4 35), 48918#(<= ULTIMATE.start_main_~y~4 36), 48919#(<= ULTIMATE.start_main_~y~4 37), 48920#(<= ULTIMATE.start_main_~y~4 38), 48921#(<= ULTIMATE.start_main_~y~4 39), 48922#(<= ULTIMATE.start_main_~y~4 40), 48923#(<= ULTIMATE.start_main_~y~4 41), 48924#(<= ULTIMATE.start_main_~y~4 42), 48925#(<= ULTIMATE.start_main_~y~4 43), 48926#(<= ULTIMATE.start_main_~y~4 44), 48927#(<= ULTIMATE.start_main_~y~4 45), 48928#(<= ULTIMATE.start_main_~y~4 46), 48929#(<= ULTIMATE.start_main_~y~4 47), 48930#(<= ULTIMATE.start_main_~y~4 48), 48931#(<= ULTIMATE.start_main_~y~4 49), 48932#(<= ULTIMATE.start_main_~y~4 50), 48933#(<= ULTIMATE.start_main_~y~4 51), 48934#(<= ULTIMATE.start_main_~y~4 52), 48935#(<= ULTIMATE.start_main_~y~4 53), 48936#(<= ULTIMATE.start_main_~y~4 54), 48937#(<= ULTIMATE.start_main_~y~4 55), 48938#(<= ULTIMATE.start_main_~y~4 56), 48939#(<= ULTIMATE.start_main_~y~4 57), 48940#(<= ULTIMATE.start_main_~y~4 58), 48941#(<= ULTIMATE.start_main_~y~4 59), 48942#(<= ULTIMATE.start_main_~y~4 60), 48943#(<= ULTIMATE.start_main_~y~4 61), 48944#(<= ULTIMATE.start_main_~y~4 62), 48945#(<= ULTIMATE.start_main_~y~4 63), 48946#(<= ULTIMATE.start_main_~y~4 64), 48947#(<= ULTIMATE.start_main_~y~4 65), 48948#(<= ULTIMATE.start_main_~y~4 66), 48949#(<= ULTIMATE.start_main_~y~4 67), 48950#(<= ULTIMATE.start_main_~y~4 68), 48951#(<= ULTIMATE.start_main_~y~4 69), 48952#(<= ULTIMATE.start_main_~y~4 70), 48953#(<= ULTIMATE.start_main_~y~4 71), 48954#(<= ULTIMATE.start_main_~y~4 72), 48955#(<= ULTIMATE.start_main_~y~4 73), 48956#(<= ULTIMATE.start_main_~y~4 74), 48957#(<= ULTIMATE.start_main_~y~4 75), 48958#(<= ULTIMATE.start_main_~y~4 76), 48959#(<= ULTIMATE.start_main_~y~4 77), 48960#(<= ULTIMATE.start_main_~y~4 78), 48961#(<= ULTIMATE.start_main_~y~4 79), 48962#(<= ULTIMATE.start_main_~y~4 80), 48963#(<= ULTIMATE.start_main_~y~4 81), 48964#(<= ULTIMATE.start_main_~y~4 82), 48965#(<= ULTIMATE.start_main_~y~4 83), 48966#(<= ULTIMATE.start_main_~y~4 84), 48967#(<= ULTIMATE.start_main_~y~4 85), 48968#(<= ULTIMATE.start_main_~y~4 86), 48969#(<= ULTIMATE.start_main_~y~4 87), 48970#(<= ULTIMATE.start_main_~y~4 88), 48971#(<= ULTIMATE.start_main_~y~4 89), 48972#(<= ULTIMATE.start_main_~y~4 90), 48973#(<= ULTIMATE.start_main_~y~4 91), 48974#(<= ULTIMATE.start_main_~y~4 92), 48975#(<= ULTIMATE.start_main_~y~4 93), 48976#(<= ULTIMATE.start_main_~y~4 94), 48977#(<= ULTIMATE.start_main_~y~4 95), 48978#(<= ULTIMATE.start_main_~y~4 96), 48979#(<= ULTIMATE.start_main_~y~4 97), 48980#(<= ULTIMATE.start_main_~y~4 98), 48981#(<= ULTIMATE.start_main_~y~4 99), 48982#(<= ULTIMATE.start_main_~y~4 100), 48983#(<= ULTIMATE.start_main_~y~4 101), 48984#(<= ULTIMATE.start_main_~y~4 102), 48985#(<= ULTIMATE.start_main_~y~4 103), 48986#(<= ULTIMATE.start_main_~y~4 104), 48987#(<= ULTIMATE.start_main_~y~4 105), 48988#(<= ULTIMATE.start_main_~y~4 106), 48989#(<= ULTIMATE.start_main_~y~4 107), 48990#(<= ULTIMATE.start_main_~y~4 108), 48991#(<= ULTIMATE.start_main_~y~4 109), 48992#(<= ULTIMATE.start_main_~y~4 110), 48993#(<= ULTIMATE.start_main_~y~4 111), 48994#(<= ULTIMATE.start_main_~y~4 112), 48995#(<= ULTIMATE.start_main_~y~4 113), 48996#(<= ULTIMATE.start_main_~y~4 114), 48997#(<= ULTIMATE.start_main_~y~4 115), 48998#(<= ULTIMATE.start_main_~y~4 116), 48999#(<= ULTIMATE.start_main_~y~4 117), 49000#(<= ULTIMATE.start_main_~y~4 118), 49001#(<= ULTIMATE.start_main_~y~4 119), 49002#(<= ULTIMATE.start_main_~y~4 120), 49003#(<= ULTIMATE.start_main_~y~4 121), 49004#(<= ULTIMATE.start_main_~y~4 122), 49005#(<= ULTIMATE.start_main_~y~4 123), 49006#(<= ULTIMATE.start_main_~y~4 124), 49007#(<= ULTIMATE.start_main_~y~4 125), 49008#(<= ULTIMATE.start_main_~y~4 126), 49009#(<= ULTIMATE.start_main_~y~4 127), 49010#(<= ULTIMATE.start_main_~y~4 128), 49011#(<= ULTIMATE.start_main_~y~4 129), 49012#(<= ULTIMATE.start_main_~y~4 130), 49013#(<= ULTIMATE.start_main_~y~4 131), 49014#(<= ULTIMATE.start_main_~y~4 132), 49015#(<= ULTIMATE.start_main_~y~4 133), 49016#(<= ULTIMATE.start_main_~y~4 134), 49017#(<= ULTIMATE.start_main_~y~4 135), 48880#true, 48881#false, 48882#(<= ULTIMATE.start_main_~y~4 0), 48883#(<= ULTIMATE.start_main_~y~4 1), 48884#(<= ULTIMATE.start_main_~y~4 2), 48885#(<= ULTIMATE.start_main_~y~4 3), 48886#(<= ULTIMATE.start_main_~y~4 4), 48887#(<= ULTIMATE.start_main_~y~4 5), 48888#(<= ULTIMATE.start_main_~y~4 6), 48889#(<= ULTIMATE.start_main_~y~4 7), 48890#(<= ULTIMATE.start_main_~y~4 8), 48891#(<= ULTIMATE.start_main_~y~4 9), 48892#(<= ULTIMATE.start_main_~y~4 10), 48893#(<= ULTIMATE.start_main_~y~4 11), 48894#(<= ULTIMATE.start_main_~y~4 12), 48895#(<= ULTIMATE.start_main_~y~4 13)] [2018-07-23 13:38:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:06,641 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:38:06,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:38:06,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:38:06,643 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 138 states. [2018-07-23 13:38:06,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:06,910 INFO L93 Difference]: Finished difference Result 142 states and 142 transitions. [2018-07-23 13:38:06,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:38:06,910 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 138 [2018-07-23 13:38:06,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:06,911 INFO L225 Difference]: With dead ends: 142 [2018-07-23 13:38:06,911 INFO L226 Difference]: Without dead ends: 140 [2018-07-23 13:38:06,911 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:38:06,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-07-23 13:38:06,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-07-23 13:38:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-07-23 13:38:06,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 140 transitions. [2018-07-23 13:38:06,914 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 140 transitions. Word has length 138 [2018-07-23 13:38:06,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:06,914 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 140 transitions. [2018-07-23 13:38:06,915 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:38:06,915 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 140 transitions. [2018-07-23 13:38:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-07-23 13:38:06,915 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:06,915 INFO L357 BasicCegarLoop]: trace histogram [136, 1, 1, 1] [2018-07-23 13:38:06,916 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:06,916 INFO L82 PathProgramCache]: Analyzing trace with hash -862273149, now seen corresponding path program 136 times [2018-07-23 13:38:06,916 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:07,301 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:07,301 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:38:07,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:07,302 INFO L185 omatonBuilderFactory]: Interpolants [49664#(<= ULTIMATE.start_main_~y~4 80), 49665#(<= ULTIMATE.start_main_~y~4 81), 49666#(<= ULTIMATE.start_main_~y~4 82), 49667#(<= ULTIMATE.start_main_~y~4 83), 49668#(<= ULTIMATE.start_main_~y~4 84), 49669#(<= ULTIMATE.start_main_~y~4 85), 49670#(<= ULTIMATE.start_main_~y~4 86), 49671#(<= ULTIMATE.start_main_~y~4 87), 49672#(<= ULTIMATE.start_main_~y~4 88), 49673#(<= ULTIMATE.start_main_~y~4 89), 49674#(<= ULTIMATE.start_main_~y~4 90), 49675#(<= ULTIMATE.start_main_~y~4 91), 49676#(<= ULTIMATE.start_main_~y~4 92), 49677#(<= ULTIMATE.start_main_~y~4 93), 49678#(<= ULTIMATE.start_main_~y~4 94), 49679#(<= ULTIMATE.start_main_~y~4 95), 49680#(<= ULTIMATE.start_main_~y~4 96), 49681#(<= ULTIMATE.start_main_~y~4 97), 49682#(<= ULTIMATE.start_main_~y~4 98), 49683#(<= ULTIMATE.start_main_~y~4 99), 49684#(<= ULTIMATE.start_main_~y~4 100), 49685#(<= ULTIMATE.start_main_~y~4 101), 49686#(<= ULTIMATE.start_main_~y~4 102), 49687#(<= ULTIMATE.start_main_~y~4 103), 49688#(<= ULTIMATE.start_main_~y~4 104), 49689#(<= ULTIMATE.start_main_~y~4 105), 49690#(<= ULTIMATE.start_main_~y~4 106), 49691#(<= ULTIMATE.start_main_~y~4 107), 49692#(<= ULTIMATE.start_main_~y~4 108), 49693#(<= ULTIMATE.start_main_~y~4 109), 49694#(<= ULTIMATE.start_main_~y~4 110), 49695#(<= ULTIMATE.start_main_~y~4 111), 49696#(<= ULTIMATE.start_main_~y~4 112), 49697#(<= ULTIMATE.start_main_~y~4 113), 49698#(<= ULTIMATE.start_main_~y~4 114), 49699#(<= ULTIMATE.start_main_~y~4 115), 49700#(<= ULTIMATE.start_main_~y~4 116), 49701#(<= ULTIMATE.start_main_~y~4 117), 49702#(<= ULTIMATE.start_main_~y~4 118), 49703#(<= ULTIMATE.start_main_~y~4 119), 49704#(<= ULTIMATE.start_main_~y~4 120), 49705#(<= ULTIMATE.start_main_~y~4 121), 49706#(<= ULTIMATE.start_main_~y~4 122), 49707#(<= ULTIMATE.start_main_~y~4 123), 49708#(<= ULTIMATE.start_main_~y~4 124), 49709#(<= ULTIMATE.start_main_~y~4 125), 49710#(<= ULTIMATE.start_main_~y~4 126), 49711#(<= ULTIMATE.start_main_~y~4 127), 49712#(<= ULTIMATE.start_main_~y~4 128), 49713#(<= ULTIMATE.start_main_~y~4 129), 49714#(<= ULTIMATE.start_main_~y~4 130), 49715#(<= ULTIMATE.start_main_~y~4 131), 49716#(<= ULTIMATE.start_main_~y~4 132), 49717#(<= ULTIMATE.start_main_~y~4 133), 49718#(<= ULTIMATE.start_main_~y~4 134), 49719#(<= ULTIMATE.start_main_~y~4 135), 49720#(<= ULTIMATE.start_main_~y~4 136), 49582#true, 49583#false, 49584#(<= ULTIMATE.start_main_~y~4 0), 49585#(<= ULTIMATE.start_main_~y~4 1), 49586#(<= ULTIMATE.start_main_~y~4 2), 49587#(<= ULTIMATE.start_main_~y~4 3), 49588#(<= ULTIMATE.start_main_~y~4 4), 49589#(<= ULTIMATE.start_main_~y~4 5), 49590#(<= ULTIMATE.start_main_~y~4 6), 49591#(<= ULTIMATE.start_main_~y~4 7), 49592#(<= ULTIMATE.start_main_~y~4 8), 49593#(<= ULTIMATE.start_main_~y~4 9), 49594#(<= ULTIMATE.start_main_~y~4 10), 49595#(<= ULTIMATE.start_main_~y~4 11), 49596#(<= ULTIMATE.start_main_~y~4 12), 49597#(<= ULTIMATE.start_main_~y~4 13), 49598#(<= ULTIMATE.start_main_~y~4 14), 49599#(<= ULTIMATE.start_main_~y~4 15), 49600#(<= ULTIMATE.start_main_~y~4 16), 49601#(<= ULTIMATE.start_main_~y~4 17), 49602#(<= ULTIMATE.start_main_~y~4 18), 49603#(<= ULTIMATE.start_main_~y~4 19), 49604#(<= ULTIMATE.start_main_~y~4 20), 49605#(<= ULTIMATE.start_main_~y~4 21), 49606#(<= ULTIMATE.start_main_~y~4 22), 49607#(<= ULTIMATE.start_main_~y~4 23), 49608#(<= ULTIMATE.start_main_~y~4 24), 49609#(<= ULTIMATE.start_main_~y~4 25), 49610#(<= ULTIMATE.start_main_~y~4 26), 49611#(<= ULTIMATE.start_main_~y~4 27), 49612#(<= ULTIMATE.start_main_~y~4 28), 49613#(<= ULTIMATE.start_main_~y~4 29), 49614#(<= ULTIMATE.start_main_~y~4 30), 49615#(<= ULTIMATE.start_main_~y~4 31), 49616#(<= ULTIMATE.start_main_~y~4 32), 49617#(<= ULTIMATE.start_main_~y~4 33), 49618#(<= ULTIMATE.start_main_~y~4 34), 49619#(<= ULTIMATE.start_main_~y~4 35), 49620#(<= ULTIMATE.start_main_~y~4 36), 49621#(<= ULTIMATE.start_main_~y~4 37), 49622#(<= ULTIMATE.start_main_~y~4 38), 49623#(<= ULTIMATE.start_main_~y~4 39), 49624#(<= ULTIMATE.start_main_~y~4 40), 49625#(<= ULTIMATE.start_main_~y~4 41), 49626#(<= ULTIMATE.start_main_~y~4 42), 49627#(<= ULTIMATE.start_main_~y~4 43), 49628#(<= ULTIMATE.start_main_~y~4 44), 49629#(<= ULTIMATE.start_main_~y~4 45), 49630#(<= ULTIMATE.start_main_~y~4 46), 49631#(<= ULTIMATE.start_main_~y~4 47), 49632#(<= ULTIMATE.start_main_~y~4 48), 49633#(<= ULTIMATE.start_main_~y~4 49), 49634#(<= ULTIMATE.start_main_~y~4 50), 49635#(<= ULTIMATE.start_main_~y~4 51), 49636#(<= ULTIMATE.start_main_~y~4 52), 49637#(<= ULTIMATE.start_main_~y~4 53), 49638#(<= ULTIMATE.start_main_~y~4 54), 49639#(<= ULTIMATE.start_main_~y~4 55), 49640#(<= ULTIMATE.start_main_~y~4 56), 49641#(<= ULTIMATE.start_main_~y~4 57), 49642#(<= ULTIMATE.start_main_~y~4 58), 49643#(<= ULTIMATE.start_main_~y~4 59), 49644#(<= ULTIMATE.start_main_~y~4 60), 49645#(<= ULTIMATE.start_main_~y~4 61), 49646#(<= ULTIMATE.start_main_~y~4 62), 49647#(<= ULTIMATE.start_main_~y~4 63), 49648#(<= ULTIMATE.start_main_~y~4 64), 49649#(<= ULTIMATE.start_main_~y~4 65), 49650#(<= ULTIMATE.start_main_~y~4 66), 49651#(<= ULTIMATE.start_main_~y~4 67), 49652#(<= ULTIMATE.start_main_~y~4 68), 49653#(<= ULTIMATE.start_main_~y~4 69), 49654#(<= ULTIMATE.start_main_~y~4 70), 49655#(<= ULTIMATE.start_main_~y~4 71), 49656#(<= ULTIMATE.start_main_~y~4 72), 49657#(<= ULTIMATE.start_main_~y~4 73), 49658#(<= ULTIMATE.start_main_~y~4 74), 49659#(<= ULTIMATE.start_main_~y~4 75), 49660#(<= ULTIMATE.start_main_~y~4 76), 49661#(<= ULTIMATE.start_main_~y~4 77), 49662#(<= ULTIMATE.start_main_~y~4 78), 49663#(<= ULTIMATE.start_main_~y~4 79)] [2018-07-23 13:38:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:07,303 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:38:07,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:38:07,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:38:07,304 INFO L87 Difference]: Start difference. First operand 140 states and 140 transitions. Second operand 139 states. [2018-07-23 13:38:07,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:07,391 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:38:07,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:38:07,391 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 139 [2018-07-23 13:38:07,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:07,391 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:38:07,392 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:38:07,393 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:38:07,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:38:07,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:38:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:38:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:38:07,395 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 139 [2018-07-23 13:38:07,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:07,395 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:38:07,395 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:38:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:38:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:38:07,396 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:07,396 INFO L357 BasicCegarLoop]: trace histogram [137, 1, 1, 1] [2018-07-23 13:38:07,396 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:07,396 INFO L82 PathProgramCache]: Analyzing trace with hash -960662036, now seen corresponding path program 137 times [2018-07-23 13:38:07,396 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:07,843 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:07,843 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:38:07,843 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:07,843 INFO L185 omatonBuilderFactory]: Interpolants [50289#true, 50290#false, 50291#(<= ULTIMATE.start_main_~y~4 0), 50292#(<= ULTIMATE.start_main_~y~4 1), 50293#(<= ULTIMATE.start_main_~y~4 2), 50294#(<= ULTIMATE.start_main_~y~4 3), 50295#(<= ULTIMATE.start_main_~y~4 4), 50296#(<= ULTIMATE.start_main_~y~4 5), 50297#(<= ULTIMATE.start_main_~y~4 6), 50298#(<= ULTIMATE.start_main_~y~4 7), 50299#(<= ULTIMATE.start_main_~y~4 8), 50300#(<= ULTIMATE.start_main_~y~4 9), 50301#(<= ULTIMATE.start_main_~y~4 10), 50302#(<= ULTIMATE.start_main_~y~4 11), 50303#(<= ULTIMATE.start_main_~y~4 12), 50304#(<= ULTIMATE.start_main_~y~4 13), 50305#(<= ULTIMATE.start_main_~y~4 14), 50306#(<= ULTIMATE.start_main_~y~4 15), 50307#(<= ULTIMATE.start_main_~y~4 16), 50308#(<= ULTIMATE.start_main_~y~4 17), 50309#(<= ULTIMATE.start_main_~y~4 18), 50310#(<= ULTIMATE.start_main_~y~4 19), 50311#(<= ULTIMATE.start_main_~y~4 20), 50312#(<= ULTIMATE.start_main_~y~4 21), 50313#(<= ULTIMATE.start_main_~y~4 22), 50314#(<= ULTIMATE.start_main_~y~4 23), 50315#(<= ULTIMATE.start_main_~y~4 24), 50316#(<= ULTIMATE.start_main_~y~4 25), 50317#(<= ULTIMATE.start_main_~y~4 26), 50318#(<= ULTIMATE.start_main_~y~4 27), 50319#(<= ULTIMATE.start_main_~y~4 28), 50320#(<= ULTIMATE.start_main_~y~4 29), 50321#(<= ULTIMATE.start_main_~y~4 30), 50322#(<= ULTIMATE.start_main_~y~4 31), 50323#(<= ULTIMATE.start_main_~y~4 32), 50324#(<= ULTIMATE.start_main_~y~4 33), 50325#(<= ULTIMATE.start_main_~y~4 34), 50326#(<= ULTIMATE.start_main_~y~4 35), 50327#(<= ULTIMATE.start_main_~y~4 36), 50328#(<= ULTIMATE.start_main_~y~4 37), 50329#(<= ULTIMATE.start_main_~y~4 38), 50330#(<= ULTIMATE.start_main_~y~4 39), 50331#(<= ULTIMATE.start_main_~y~4 40), 50332#(<= ULTIMATE.start_main_~y~4 41), 50333#(<= ULTIMATE.start_main_~y~4 42), 50334#(<= ULTIMATE.start_main_~y~4 43), 50335#(<= ULTIMATE.start_main_~y~4 44), 50336#(<= ULTIMATE.start_main_~y~4 45), 50337#(<= ULTIMATE.start_main_~y~4 46), 50338#(<= ULTIMATE.start_main_~y~4 47), 50339#(<= ULTIMATE.start_main_~y~4 48), 50340#(<= ULTIMATE.start_main_~y~4 49), 50341#(<= ULTIMATE.start_main_~y~4 50), 50342#(<= ULTIMATE.start_main_~y~4 51), 50343#(<= ULTIMATE.start_main_~y~4 52), 50344#(<= ULTIMATE.start_main_~y~4 53), 50345#(<= ULTIMATE.start_main_~y~4 54), 50346#(<= ULTIMATE.start_main_~y~4 55), 50347#(<= ULTIMATE.start_main_~y~4 56), 50348#(<= ULTIMATE.start_main_~y~4 57), 50349#(<= ULTIMATE.start_main_~y~4 58), 50350#(<= ULTIMATE.start_main_~y~4 59), 50351#(<= ULTIMATE.start_main_~y~4 60), 50352#(<= ULTIMATE.start_main_~y~4 61), 50353#(<= ULTIMATE.start_main_~y~4 62), 50354#(<= ULTIMATE.start_main_~y~4 63), 50355#(<= ULTIMATE.start_main_~y~4 64), 50356#(<= ULTIMATE.start_main_~y~4 65), 50357#(<= ULTIMATE.start_main_~y~4 66), 50358#(<= ULTIMATE.start_main_~y~4 67), 50359#(<= ULTIMATE.start_main_~y~4 68), 50360#(<= ULTIMATE.start_main_~y~4 69), 50361#(<= ULTIMATE.start_main_~y~4 70), 50362#(<= ULTIMATE.start_main_~y~4 71), 50363#(<= ULTIMATE.start_main_~y~4 72), 50364#(<= ULTIMATE.start_main_~y~4 73), 50365#(<= ULTIMATE.start_main_~y~4 74), 50366#(<= ULTIMATE.start_main_~y~4 75), 50367#(<= ULTIMATE.start_main_~y~4 76), 50368#(<= ULTIMATE.start_main_~y~4 77), 50369#(<= ULTIMATE.start_main_~y~4 78), 50370#(<= ULTIMATE.start_main_~y~4 79), 50371#(<= ULTIMATE.start_main_~y~4 80), 50372#(<= ULTIMATE.start_main_~y~4 81), 50373#(<= ULTIMATE.start_main_~y~4 82), 50374#(<= ULTIMATE.start_main_~y~4 83), 50375#(<= ULTIMATE.start_main_~y~4 84), 50376#(<= ULTIMATE.start_main_~y~4 85), 50377#(<= ULTIMATE.start_main_~y~4 86), 50378#(<= ULTIMATE.start_main_~y~4 87), 50379#(<= ULTIMATE.start_main_~y~4 88), 50380#(<= ULTIMATE.start_main_~y~4 89), 50381#(<= ULTIMATE.start_main_~y~4 90), 50382#(<= ULTIMATE.start_main_~y~4 91), 50383#(<= ULTIMATE.start_main_~y~4 92), 50384#(<= ULTIMATE.start_main_~y~4 93), 50385#(<= ULTIMATE.start_main_~y~4 94), 50386#(<= ULTIMATE.start_main_~y~4 95), 50387#(<= ULTIMATE.start_main_~y~4 96), 50388#(<= ULTIMATE.start_main_~y~4 97), 50389#(<= ULTIMATE.start_main_~y~4 98), 50390#(<= ULTIMATE.start_main_~y~4 99), 50391#(<= ULTIMATE.start_main_~y~4 100), 50392#(<= ULTIMATE.start_main_~y~4 101), 50393#(<= ULTIMATE.start_main_~y~4 102), 50394#(<= ULTIMATE.start_main_~y~4 103), 50395#(<= ULTIMATE.start_main_~y~4 104), 50396#(<= ULTIMATE.start_main_~y~4 105), 50397#(<= ULTIMATE.start_main_~y~4 106), 50398#(<= ULTIMATE.start_main_~y~4 107), 50399#(<= ULTIMATE.start_main_~y~4 108), 50400#(<= ULTIMATE.start_main_~y~4 109), 50401#(<= ULTIMATE.start_main_~y~4 110), 50402#(<= ULTIMATE.start_main_~y~4 111), 50403#(<= ULTIMATE.start_main_~y~4 112), 50404#(<= ULTIMATE.start_main_~y~4 113), 50405#(<= ULTIMATE.start_main_~y~4 114), 50406#(<= ULTIMATE.start_main_~y~4 115), 50407#(<= ULTIMATE.start_main_~y~4 116), 50408#(<= ULTIMATE.start_main_~y~4 117), 50409#(<= ULTIMATE.start_main_~y~4 118), 50410#(<= ULTIMATE.start_main_~y~4 119), 50411#(<= ULTIMATE.start_main_~y~4 120), 50412#(<= ULTIMATE.start_main_~y~4 121), 50413#(<= ULTIMATE.start_main_~y~4 122), 50414#(<= ULTIMATE.start_main_~y~4 123), 50415#(<= ULTIMATE.start_main_~y~4 124), 50416#(<= ULTIMATE.start_main_~y~4 125), 50417#(<= ULTIMATE.start_main_~y~4 126), 50418#(<= ULTIMATE.start_main_~y~4 127), 50419#(<= ULTIMATE.start_main_~y~4 128), 50420#(<= ULTIMATE.start_main_~y~4 129), 50421#(<= ULTIMATE.start_main_~y~4 130), 50422#(<= ULTIMATE.start_main_~y~4 131), 50423#(<= ULTIMATE.start_main_~y~4 132), 50424#(<= ULTIMATE.start_main_~y~4 133), 50425#(<= ULTIMATE.start_main_~y~4 134), 50426#(<= ULTIMATE.start_main_~y~4 135), 50427#(<= ULTIMATE.start_main_~y~4 136), 50428#(<= ULTIMATE.start_main_~y~4 137)] [2018-07-23 13:38:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:07,844 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:38:07,845 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:38:07,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:38:07,846 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 140 states. [2018-07-23 13:38:08,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:08,080 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2018-07-23 13:38:08,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:38:08,080 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 140 [2018-07-23 13:38:08,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:08,080 INFO L225 Difference]: With dead ends: 144 [2018-07-23 13:38:08,081 INFO L226 Difference]: Without dead ends: 142 [2018-07-23 13:38:08,081 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:38:08,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-07-23 13:38:08,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-07-23 13:38:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-07-23 13:38:08,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-07-23 13:38:08,083 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 140 [2018-07-23 13:38:08,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:08,083 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-07-23 13:38:08,083 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:38:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-07-23 13:38:08,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-07-23 13:38:08,084 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:08,084 INFO L357 BasicCegarLoop]: trace histogram [138, 1, 1, 1] [2018-07-23 13:38:08,084 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:08,084 INFO L82 PathProgramCache]: Analyzing trace with hash 284249763, now seen corresponding path program 138 times [2018-07-23 13:38:08,084 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:08,483 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:08,483 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:38:08,484 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:08,484 INFO L185 omatonBuilderFactory]: Interpolants [51001#true, 51002#false, 51003#(<= ULTIMATE.start_main_~y~4 0), 51004#(<= ULTIMATE.start_main_~y~4 1), 51005#(<= ULTIMATE.start_main_~y~4 2), 51006#(<= ULTIMATE.start_main_~y~4 3), 51007#(<= ULTIMATE.start_main_~y~4 4), 51008#(<= ULTIMATE.start_main_~y~4 5), 51009#(<= ULTIMATE.start_main_~y~4 6), 51010#(<= ULTIMATE.start_main_~y~4 7), 51011#(<= ULTIMATE.start_main_~y~4 8), 51012#(<= ULTIMATE.start_main_~y~4 9), 51013#(<= ULTIMATE.start_main_~y~4 10), 51014#(<= ULTIMATE.start_main_~y~4 11), 51015#(<= ULTIMATE.start_main_~y~4 12), 51016#(<= ULTIMATE.start_main_~y~4 13), 51017#(<= ULTIMATE.start_main_~y~4 14), 51018#(<= ULTIMATE.start_main_~y~4 15), 51019#(<= ULTIMATE.start_main_~y~4 16), 51020#(<= ULTIMATE.start_main_~y~4 17), 51021#(<= ULTIMATE.start_main_~y~4 18), 51022#(<= ULTIMATE.start_main_~y~4 19), 51023#(<= ULTIMATE.start_main_~y~4 20), 51024#(<= ULTIMATE.start_main_~y~4 21), 51025#(<= ULTIMATE.start_main_~y~4 22), 51026#(<= ULTIMATE.start_main_~y~4 23), 51027#(<= ULTIMATE.start_main_~y~4 24), 51028#(<= ULTIMATE.start_main_~y~4 25), 51029#(<= ULTIMATE.start_main_~y~4 26), 51030#(<= ULTIMATE.start_main_~y~4 27), 51031#(<= ULTIMATE.start_main_~y~4 28), 51032#(<= ULTIMATE.start_main_~y~4 29), 51033#(<= ULTIMATE.start_main_~y~4 30), 51034#(<= ULTIMATE.start_main_~y~4 31), 51035#(<= ULTIMATE.start_main_~y~4 32), 51036#(<= ULTIMATE.start_main_~y~4 33), 51037#(<= ULTIMATE.start_main_~y~4 34), 51038#(<= ULTIMATE.start_main_~y~4 35), 51039#(<= ULTIMATE.start_main_~y~4 36), 51040#(<= ULTIMATE.start_main_~y~4 37), 51041#(<= ULTIMATE.start_main_~y~4 38), 51042#(<= ULTIMATE.start_main_~y~4 39), 51043#(<= ULTIMATE.start_main_~y~4 40), 51044#(<= ULTIMATE.start_main_~y~4 41), 51045#(<= ULTIMATE.start_main_~y~4 42), 51046#(<= ULTIMATE.start_main_~y~4 43), 51047#(<= ULTIMATE.start_main_~y~4 44), 51048#(<= ULTIMATE.start_main_~y~4 45), 51049#(<= ULTIMATE.start_main_~y~4 46), 51050#(<= ULTIMATE.start_main_~y~4 47), 51051#(<= ULTIMATE.start_main_~y~4 48), 51052#(<= ULTIMATE.start_main_~y~4 49), 51053#(<= ULTIMATE.start_main_~y~4 50), 51054#(<= ULTIMATE.start_main_~y~4 51), 51055#(<= ULTIMATE.start_main_~y~4 52), 51056#(<= ULTIMATE.start_main_~y~4 53), 51057#(<= ULTIMATE.start_main_~y~4 54), 51058#(<= ULTIMATE.start_main_~y~4 55), 51059#(<= ULTIMATE.start_main_~y~4 56), 51060#(<= ULTIMATE.start_main_~y~4 57), 51061#(<= ULTIMATE.start_main_~y~4 58), 51062#(<= ULTIMATE.start_main_~y~4 59), 51063#(<= ULTIMATE.start_main_~y~4 60), 51064#(<= ULTIMATE.start_main_~y~4 61), 51065#(<= ULTIMATE.start_main_~y~4 62), 51066#(<= ULTIMATE.start_main_~y~4 63), 51067#(<= ULTIMATE.start_main_~y~4 64), 51068#(<= ULTIMATE.start_main_~y~4 65), 51069#(<= ULTIMATE.start_main_~y~4 66), 51070#(<= ULTIMATE.start_main_~y~4 67), 51071#(<= ULTIMATE.start_main_~y~4 68), 51072#(<= ULTIMATE.start_main_~y~4 69), 51073#(<= ULTIMATE.start_main_~y~4 70), 51074#(<= ULTIMATE.start_main_~y~4 71), 51075#(<= ULTIMATE.start_main_~y~4 72), 51076#(<= ULTIMATE.start_main_~y~4 73), 51077#(<= ULTIMATE.start_main_~y~4 74), 51078#(<= ULTIMATE.start_main_~y~4 75), 51079#(<= ULTIMATE.start_main_~y~4 76), 51080#(<= ULTIMATE.start_main_~y~4 77), 51081#(<= ULTIMATE.start_main_~y~4 78), 51082#(<= ULTIMATE.start_main_~y~4 79), 51083#(<= ULTIMATE.start_main_~y~4 80), 51084#(<= ULTIMATE.start_main_~y~4 81), 51085#(<= ULTIMATE.start_main_~y~4 82), 51086#(<= ULTIMATE.start_main_~y~4 83), 51087#(<= ULTIMATE.start_main_~y~4 84), 51088#(<= ULTIMATE.start_main_~y~4 85), 51089#(<= ULTIMATE.start_main_~y~4 86), 51090#(<= ULTIMATE.start_main_~y~4 87), 51091#(<= ULTIMATE.start_main_~y~4 88), 51092#(<= ULTIMATE.start_main_~y~4 89), 51093#(<= ULTIMATE.start_main_~y~4 90), 51094#(<= ULTIMATE.start_main_~y~4 91), 51095#(<= ULTIMATE.start_main_~y~4 92), 51096#(<= ULTIMATE.start_main_~y~4 93), 51097#(<= ULTIMATE.start_main_~y~4 94), 51098#(<= ULTIMATE.start_main_~y~4 95), 51099#(<= ULTIMATE.start_main_~y~4 96), 51100#(<= ULTIMATE.start_main_~y~4 97), 51101#(<= ULTIMATE.start_main_~y~4 98), 51102#(<= ULTIMATE.start_main_~y~4 99), 51103#(<= ULTIMATE.start_main_~y~4 100), 51104#(<= ULTIMATE.start_main_~y~4 101), 51105#(<= ULTIMATE.start_main_~y~4 102), 51106#(<= ULTIMATE.start_main_~y~4 103), 51107#(<= ULTIMATE.start_main_~y~4 104), 51108#(<= ULTIMATE.start_main_~y~4 105), 51109#(<= ULTIMATE.start_main_~y~4 106), 51110#(<= ULTIMATE.start_main_~y~4 107), 51111#(<= ULTIMATE.start_main_~y~4 108), 51112#(<= ULTIMATE.start_main_~y~4 109), 51113#(<= ULTIMATE.start_main_~y~4 110), 51114#(<= ULTIMATE.start_main_~y~4 111), 51115#(<= ULTIMATE.start_main_~y~4 112), 51116#(<= ULTIMATE.start_main_~y~4 113), 51117#(<= ULTIMATE.start_main_~y~4 114), 51118#(<= ULTIMATE.start_main_~y~4 115), 51119#(<= ULTIMATE.start_main_~y~4 116), 51120#(<= ULTIMATE.start_main_~y~4 117), 51121#(<= ULTIMATE.start_main_~y~4 118), 51122#(<= ULTIMATE.start_main_~y~4 119), 51123#(<= ULTIMATE.start_main_~y~4 120), 51124#(<= ULTIMATE.start_main_~y~4 121), 51125#(<= ULTIMATE.start_main_~y~4 122), 51126#(<= ULTIMATE.start_main_~y~4 123), 51127#(<= ULTIMATE.start_main_~y~4 124), 51128#(<= ULTIMATE.start_main_~y~4 125), 51129#(<= ULTIMATE.start_main_~y~4 126), 51130#(<= ULTIMATE.start_main_~y~4 127), 51131#(<= ULTIMATE.start_main_~y~4 128), 51132#(<= ULTIMATE.start_main_~y~4 129), 51133#(<= ULTIMATE.start_main_~y~4 130), 51134#(<= ULTIMATE.start_main_~y~4 131), 51135#(<= ULTIMATE.start_main_~y~4 132), 51136#(<= ULTIMATE.start_main_~y~4 133), 51137#(<= ULTIMATE.start_main_~y~4 134), 51138#(<= ULTIMATE.start_main_~y~4 135), 51139#(<= ULTIMATE.start_main_~y~4 136), 51140#(<= ULTIMATE.start_main_~y~4 137), 51141#(<= ULTIMATE.start_main_~y~4 138)] [2018-07-23 13:38:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:08,485 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:38:08,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:38:08,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:38:08,486 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 141 states. [2018-07-23 13:38:08,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:08,697 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:38:08,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:38:08,698 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 141 [2018-07-23 13:38:08,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:08,698 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:38:08,698 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:38:08,699 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:38:08,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:38:08,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:38:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:38:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:38:08,701 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 141 [2018-07-23 13:38:08,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:08,701 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:38:08,701 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:38:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:38:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:38:08,701 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:08,702 INFO L357 BasicCegarLoop]: trace histogram [139, 1, 1, 1] [2018-07-23 13:38:08,702 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:08,702 INFO L82 PathProgramCache]: Analyzing trace with hash 221809868, now seen corresponding path program 139 times [2018-07-23 13:38:08,702 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:09,142 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:09,142 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:38:09,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:09,143 INFO L185 omatonBuilderFactory]: Interpolants [51718#true, 51719#false, 51720#(<= ULTIMATE.start_main_~y~4 0), 51721#(<= ULTIMATE.start_main_~y~4 1), 51722#(<= ULTIMATE.start_main_~y~4 2), 51723#(<= ULTIMATE.start_main_~y~4 3), 51724#(<= ULTIMATE.start_main_~y~4 4), 51725#(<= ULTIMATE.start_main_~y~4 5), 51726#(<= ULTIMATE.start_main_~y~4 6), 51727#(<= ULTIMATE.start_main_~y~4 7), 51728#(<= ULTIMATE.start_main_~y~4 8), 51729#(<= ULTIMATE.start_main_~y~4 9), 51730#(<= ULTIMATE.start_main_~y~4 10), 51731#(<= ULTIMATE.start_main_~y~4 11), 51732#(<= ULTIMATE.start_main_~y~4 12), 51733#(<= ULTIMATE.start_main_~y~4 13), 51734#(<= ULTIMATE.start_main_~y~4 14), 51735#(<= ULTIMATE.start_main_~y~4 15), 51736#(<= ULTIMATE.start_main_~y~4 16), 51737#(<= ULTIMATE.start_main_~y~4 17), 51738#(<= ULTIMATE.start_main_~y~4 18), 51739#(<= ULTIMATE.start_main_~y~4 19), 51740#(<= ULTIMATE.start_main_~y~4 20), 51741#(<= ULTIMATE.start_main_~y~4 21), 51742#(<= ULTIMATE.start_main_~y~4 22), 51743#(<= ULTIMATE.start_main_~y~4 23), 51744#(<= ULTIMATE.start_main_~y~4 24), 51745#(<= ULTIMATE.start_main_~y~4 25), 51746#(<= ULTIMATE.start_main_~y~4 26), 51747#(<= ULTIMATE.start_main_~y~4 27), 51748#(<= ULTIMATE.start_main_~y~4 28), 51749#(<= ULTIMATE.start_main_~y~4 29), 51750#(<= ULTIMATE.start_main_~y~4 30), 51751#(<= ULTIMATE.start_main_~y~4 31), 51752#(<= ULTIMATE.start_main_~y~4 32), 51753#(<= ULTIMATE.start_main_~y~4 33), 51754#(<= ULTIMATE.start_main_~y~4 34), 51755#(<= ULTIMATE.start_main_~y~4 35), 51756#(<= ULTIMATE.start_main_~y~4 36), 51757#(<= ULTIMATE.start_main_~y~4 37), 51758#(<= ULTIMATE.start_main_~y~4 38), 51759#(<= ULTIMATE.start_main_~y~4 39), 51760#(<= ULTIMATE.start_main_~y~4 40), 51761#(<= ULTIMATE.start_main_~y~4 41), 51762#(<= ULTIMATE.start_main_~y~4 42), 51763#(<= ULTIMATE.start_main_~y~4 43), 51764#(<= ULTIMATE.start_main_~y~4 44), 51765#(<= ULTIMATE.start_main_~y~4 45), 51766#(<= ULTIMATE.start_main_~y~4 46), 51767#(<= ULTIMATE.start_main_~y~4 47), 51768#(<= ULTIMATE.start_main_~y~4 48), 51769#(<= ULTIMATE.start_main_~y~4 49), 51770#(<= ULTIMATE.start_main_~y~4 50), 51771#(<= ULTIMATE.start_main_~y~4 51), 51772#(<= ULTIMATE.start_main_~y~4 52), 51773#(<= ULTIMATE.start_main_~y~4 53), 51774#(<= ULTIMATE.start_main_~y~4 54), 51775#(<= ULTIMATE.start_main_~y~4 55), 51776#(<= ULTIMATE.start_main_~y~4 56), 51777#(<= ULTIMATE.start_main_~y~4 57), 51778#(<= ULTIMATE.start_main_~y~4 58), 51779#(<= ULTIMATE.start_main_~y~4 59), 51780#(<= ULTIMATE.start_main_~y~4 60), 51781#(<= ULTIMATE.start_main_~y~4 61), 51782#(<= ULTIMATE.start_main_~y~4 62), 51783#(<= ULTIMATE.start_main_~y~4 63), 51784#(<= ULTIMATE.start_main_~y~4 64), 51785#(<= ULTIMATE.start_main_~y~4 65), 51786#(<= ULTIMATE.start_main_~y~4 66), 51787#(<= ULTIMATE.start_main_~y~4 67), 51788#(<= ULTIMATE.start_main_~y~4 68), 51789#(<= ULTIMATE.start_main_~y~4 69), 51790#(<= ULTIMATE.start_main_~y~4 70), 51791#(<= ULTIMATE.start_main_~y~4 71), 51792#(<= ULTIMATE.start_main_~y~4 72), 51793#(<= ULTIMATE.start_main_~y~4 73), 51794#(<= ULTIMATE.start_main_~y~4 74), 51795#(<= ULTIMATE.start_main_~y~4 75), 51796#(<= ULTIMATE.start_main_~y~4 76), 51797#(<= ULTIMATE.start_main_~y~4 77), 51798#(<= ULTIMATE.start_main_~y~4 78), 51799#(<= ULTIMATE.start_main_~y~4 79), 51800#(<= ULTIMATE.start_main_~y~4 80), 51801#(<= ULTIMATE.start_main_~y~4 81), 51802#(<= ULTIMATE.start_main_~y~4 82), 51803#(<= ULTIMATE.start_main_~y~4 83), 51804#(<= ULTIMATE.start_main_~y~4 84), 51805#(<= ULTIMATE.start_main_~y~4 85), 51806#(<= ULTIMATE.start_main_~y~4 86), 51807#(<= ULTIMATE.start_main_~y~4 87), 51808#(<= ULTIMATE.start_main_~y~4 88), 51809#(<= ULTIMATE.start_main_~y~4 89), 51810#(<= ULTIMATE.start_main_~y~4 90), 51811#(<= ULTIMATE.start_main_~y~4 91), 51812#(<= ULTIMATE.start_main_~y~4 92), 51813#(<= ULTIMATE.start_main_~y~4 93), 51814#(<= ULTIMATE.start_main_~y~4 94), 51815#(<= ULTIMATE.start_main_~y~4 95), 51816#(<= ULTIMATE.start_main_~y~4 96), 51817#(<= ULTIMATE.start_main_~y~4 97), 51818#(<= ULTIMATE.start_main_~y~4 98), 51819#(<= ULTIMATE.start_main_~y~4 99), 51820#(<= ULTIMATE.start_main_~y~4 100), 51821#(<= ULTIMATE.start_main_~y~4 101), 51822#(<= ULTIMATE.start_main_~y~4 102), 51823#(<= ULTIMATE.start_main_~y~4 103), 51824#(<= ULTIMATE.start_main_~y~4 104), 51825#(<= ULTIMATE.start_main_~y~4 105), 51826#(<= ULTIMATE.start_main_~y~4 106), 51827#(<= ULTIMATE.start_main_~y~4 107), 51828#(<= ULTIMATE.start_main_~y~4 108), 51829#(<= ULTIMATE.start_main_~y~4 109), 51830#(<= ULTIMATE.start_main_~y~4 110), 51831#(<= ULTIMATE.start_main_~y~4 111), 51832#(<= ULTIMATE.start_main_~y~4 112), 51833#(<= ULTIMATE.start_main_~y~4 113), 51834#(<= ULTIMATE.start_main_~y~4 114), 51835#(<= ULTIMATE.start_main_~y~4 115), 51836#(<= ULTIMATE.start_main_~y~4 116), 51837#(<= ULTIMATE.start_main_~y~4 117), 51838#(<= ULTIMATE.start_main_~y~4 118), 51839#(<= ULTIMATE.start_main_~y~4 119), 51840#(<= ULTIMATE.start_main_~y~4 120), 51841#(<= ULTIMATE.start_main_~y~4 121), 51842#(<= ULTIMATE.start_main_~y~4 122), 51843#(<= ULTIMATE.start_main_~y~4 123), 51844#(<= ULTIMATE.start_main_~y~4 124), 51845#(<= ULTIMATE.start_main_~y~4 125), 51846#(<= ULTIMATE.start_main_~y~4 126), 51847#(<= ULTIMATE.start_main_~y~4 127), 51848#(<= ULTIMATE.start_main_~y~4 128), 51849#(<= ULTIMATE.start_main_~y~4 129), 51850#(<= ULTIMATE.start_main_~y~4 130), 51851#(<= ULTIMATE.start_main_~y~4 131), 51852#(<= ULTIMATE.start_main_~y~4 132), 51853#(<= ULTIMATE.start_main_~y~4 133), 51854#(<= ULTIMATE.start_main_~y~4 134), 51855#(<= ULTIMATE.start_main_~y~4 135), 51856#(<= ULTIMATE.start_main_~y~4 136), 51857#(<= ULTIMATE.start_main_~y~4 137), 51858#(<= ULTIMATE.start_main_~y~4 138), 51859#(<= ULTIMATE.start_main_~y~4 139)] [2018-07-23 13:38:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:09,144 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:38:09,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:38:09,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:38:09,146 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 142 states. [2018-07-23 13:38:09,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:09,480 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-07-23 13:38:09,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:38:09,480 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 142 [2018-07-23 13:38:09,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:09,481 INFO L225 Difference]: With dead ends: 146 [2018-07-23 13:38:09,481 INFO L226 Difference]: Without dead ends: 144 [2018-07-23 13:38:09,482 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:38:09,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-07-23 13:38:09,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-07-23 13:38:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-07-23 13:38:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2018-07-23 13:38:09,484 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 142 [2018-07-23 13:38:09,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:09,484 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 144 transitions. [2018-07-23 13:38:09,484 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:38:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 144 transitions. [2018-07-23 13:38:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-07-23 13:38:09,484 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:09,485 INFO L357 BasicCegarLoop]: trace histogram [140, 1, 1, 1] [2018-07-23 13:38:09,485 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:09,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1713826877, now seen corresponding path program 140 times [2018-07-23 13:38:09,485 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:10,124 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:10,124 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:38:10,124 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:10,125 INFO L185 omatonBuilderFactory]: Interpolants [52480#(<= ULTIMATE.start_main_~y~4 38), 52481#(<= ULTIMATE.start_main_~y~4 39), 52482#(<= ULTIMATE.start_main_~y~4 40), 52483#(<= ULTIMATE.start_main_~y~4 41), 52484#(<= ULTIMATE.start_main_~y~4 42), 52485#(<= ULTIMATE.start_main_~y~4 43), 52486#(<= ULTIMATE.start_main_~y~4 44), 52487#(<= ULTIMATE.start_main_~y~4 45), 52488#(<= ULTIMATE.start_main_~y~4 46), 52489#(<= ULTIMATE.start_main_~y~4 47), 52490#(<= ULTIMATE.start_main_~y~4 48), 52491#(<= ULTIMATE.start_main_~y~4 49), 52492#(<= ULTIMATE.start_main_~y~4 50), 52493#(<= ULTIMATE.start_main_~y~4 51), 52494#(<= ULTIMATE.start_main_~y~4 52), 52495#(<= ULTIMATE.start_main_~y~4 53), 52496#(<= ULTIMATE.start_main_~y~4 54), 52497#(<= ULTIMATE.start_main_~y~4 55), 52498#(<= ULTIMATE.start_main_~y~4 56), 52499#(<= ULTIMATE.start_main_~y~4 57), 52500#(<= ULTIMATE.start_main_~y~4 58), 52501#(<= ULTIMATE.start_main_~y~4 59), 52502#(<= ULTIMATE.start_main_~y~4 60), 52503#(<= ULTIMATE.start_main_~y~4 61), 52504#(<= ULTIMATE.start_main_~y~4 62), 52505#(<= ULTIMATE.start_main_~y~4 63), 52506#(<= ULTIMATE.start_main_~y~4 64), 52507#(<= ULTIMATE.start_main_~y~4 65), 52508#(<= ULTIMATE.start_main_~y~4 66), 52509#(<= ULTIMATE.start_main_~y~4 67), 52510#(<= ULTIMATE.start_main_~y~4 68), 52511#(<= ULTIMATE.start_main_~y~4 69), 52512#(<= ULTIMATE.start_main_~y~4 70), 52513#(<= ULTIMATE.start_main_~y~4 71), 52514#(<= ULTIMATE.start_main_~y~4 72), 52515#(<= ULTIMATE.start_main_~y~4 73), 52516#(<= ULTIMATE.start_main_~y~4 74), 52517#(<= ULTIMATE.start_main_~y~4 75), 52518#(<= ULTIMATE.start_main_~y~4 76), 52519#(<= ULTIMATE.start_main_~y~4 77), 52520#(<= ULTIMATE.start_main_~y~4 78), 52521#(<= ULTIMATE.start_main_~y~4 79), 52522#(<= ULTIMATE.start_main_~y~4 80), 52523#(<= ULTIMATE.start_main_~y~4 81), 52524#(<= ULTIMATE.start_main_~y~4 82), 52525#(<= ULTIMATE.start_main_~y~4 83), 52526#(<= ULTIMATE.start_main_~y~4 84), 52527#(<= ULTIMATE.start_main_~y~4 85), 52528#(<= ULTIMATE.start_main_~y~4 86), 52529#(<= ULTIMATE.start_main_~y~4 87), 52530#(<= ULTIMATE.start_main_~y~4 88), 52531#(<= ULTIMATE.start_main_~y~4 89), 52532#(<= ULTIMATE.start_main_~y~4 90), 52533#(<= ULTIMATE.start_main_~y~4 91), 52534#(<= ULTIMATE.start_main_~y~4 92), 52535#(<= ULTIMATE.start_main_~y~4 93), 52536#(<= ULTIMATE.start_main_~y~4 94), 52537#(<= ULTIMATE.start_main_~y~4 95), 52538#(<= ULTIMATE.start_main_~y~4 96), 52539#(<= ULTIMATE.start_main_~y~4 97), 52540#(<= ULTIMATE.start_main_~y~4 98), 52541#(<= ULTIMATE.start_main_~y~4 99), 52542#(<= ULTIMATE.start_main_~y~4 100), 52543#(<= ULTIMATE.start_main_~y~4 101), 52544#(<= ULTIMATE.start_main_~y~4 102), 52545#(<= ULTIMATE.start_main_~y~4 103), 52546#(<= ULTIMATE.start_main_~y~4 104), 52547#(<= ULTIMATE.start_main_~y~4 105), 52548#(<= ULTIMATE.start_main_~y~4 106), 52549#(<= ULTIMATE.start_main_~y~4 107), 52550#(<= ULTIMATE.start_main_~y~4 108), 52551#(<= ULTIMATE.start_main_~y~4 109), 52552#(<= ULTIMATE.start_main_~y~4 110), 52553#(<= ULTIMATE.start_main_~y~4 111), 52554#(<= ULTIMATE.start_main_~y~4 112), 52555#(<= ULTIMATE.start_main_~y~4 113), 52556#(<= ULTIMATE.start_main_~y~4 114), 52557#(<= ULTIMATE.start_main_~y~4 115), 52558#(<= ULTIMATE.start_main_~y~4 116), 52559#(<= ULTIMATE.start_main_~y~4 117), 52560#(<= ULTIMATE.start_main_~y~4 118), 52561#(<= ULTIMATE.start_main_~y~4 119), 52562#(<= ULTIMATE.start_main_~y~4 120), 52563#(<= ULTIMATE.start_main_~y~4 121), 52564#(<= ULTIMATE.start_main_~y~4 122), 52565#(<= ULTIMATE.start_main_~y~4 123), 52566#(<= ULTIMATE.start_main_~y~4 124), 52567#(<= ULTIMATE.start_main_~y~4 125), 52568#(<= ULTIMATE.start_main_~y~4 126), 52569#(<= ULTIMATE.start_main_~y~4 127), 52570#(<= ULTIMATE.start_main_~y~4 128), 52571#(<= ULTIMATE.start_main_~y~4 129), 52572#(<= ULTIMATE.start_main_~y~4 130), 52573#(<= ULTIMATE.start_main_~y~4 131), 52574#(<= ULTIMATE.start_main_~y~4 132), 52575#(<= ULTIMATE.start_main_~y~4 133), 52576#(<= ULTIMATE.start_main_~y~4 134), 52577#(<= ULTIMATE.start_main_~y~4 135), 52578#(<= ULTIMATE.start_main_~y~4 136), 52579#(<= ULTIMATE.start_main_~y~4 137), 52580#(<= ULTIMATE.start_main_~y~4 138), 52581#(<= ULTIMATE.start_main_~y~4 139), 52582#(<= ULTIMATE.start_main_~y~4 140), 52440#true, 52441#false, 52442#(<= ULTIMATE.start_main_~y~4 0), 52443#(<= ULTIMATE.start_main_~y~4 1), 52444#(<= ULTIMATE.start_main_~y~4 2), 52445#(<= ULTIMATE.start_main_~y~4 3), 52446#(<= ULTIMATE.start_main_~y~4 4), 52447#(<= ULTIMATE.start_main_~y~4 5), 52448#(<= ULTIMATE.start_main_~y~4 6), 52449#(<= ULTIMATE.start_main_~y~4 7), 52450#(<= ULTIMATE.start_main_~y~4 8), 52451#(<= ULTIMATE.start_main_~y~4 9), 52452#(<= ULTIMATE.start_main_~y~4 10), 52453#(<= ULTIMATE.start_main_~y~4 11), 52454#(<= ULTIMATE.start_main_~y~4 12), 52455#(<= ULTIMATE.start_main_~y~4 13), 52456#(<= ULTIMATE.start_main_~y~4 14), 52457#(<= ULTIMATE.start_main_~y~4 15), 52458#(<= ULTIMATE.start_main_~y~4 16), 52459#(<= ULTIMATE.start_main_~y~4 17), 52460#(<= ULTIMATE.start_main_~y~4 18), 52461#(<= ULTIMATE.start_main_~y~4 19), 52462#(<= ULTIMATE.start_main_~y~4 20), 52463#(<= ULTIMATE.start_main_~y~4 21), 52464#(<= ULTIMATE.start_main_~y~4 22), 52465#(<= ULTIMATE.start_main_~y~4 23), 52466#(<= ULTIMATE.start_main_~y~4 24), 52467#(<= ULTIMATE.start_main_~y~4 25), 52468#(<= ULTIMATE.start_main_~y~4 26), 52469#(<= ULTIMATE.start_main_~y~4 27), 52470#(<= ULTIMATE.start_main_~y~4 28), 52471#(<= ULTIMATE.start_main_~y~4 29), 52472#(<= ULTIMATE.start_main_~y~4 30), 52473#(<= ULTIMATE.start_main_~y~4 31), 52474#(<= ULTIMATE.start_main_~y~4 32), 52475#(<= ULTIMATE.start_main_~y~4 33), 52476#(<= ULTIMATE.start_main_~y~4 34), 52477#(<= ULTIMATE.start_main_~y~4 35), 52478#(<= ULTIMATE.start_main_~y~4 36), 52479#(<= ULTIMATE.start_main_~y~4 37)] [2018-07-23 13:38:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:10,125 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:38:10,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:38:10,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:38:10,127 INFO L87 Difference]: Start difference. First operand 144 states and 144 transitions. Second operand 143 states. [2018-07-23 13:38:10,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:10,333 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:38:10,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:38:10,334 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 143 [2018-07-23 13:38:10,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:10,334 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:38:10,334 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:38:10,335 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:38:10,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:38:10,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:38:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:38:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:38:10,337 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 143 [2018-07-23 13:38:10,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:10,337 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:38:10,337 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:38:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:38:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:38:10,338 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:10,338 INFO L357 BasicCegarLoop]: trace histogram [141, 1, 1, 1] [2018-07-23 13:38:10,338 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:10,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1589023828, now seen corresponding path program 141 times [2018-07-23 13:38:10,338 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:10,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:10,806 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:10,806 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:38:10,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:10,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:10,807 INFO L185 omatonBuilderFactory]: Interpolants [53248#(<= ULTIMATE.start_main_~y~4 79), 53249#(<= ULTIMATE.start_main_~y~4 80), 53250#(<= ULTIMATE.start_main_~y~4 81), 53251#(<= ULTIMATE.start_main_~y~4 82), 53252#(<= ULTIMATE.start_main_~y~4 83), 53253#(<= ULTIMATE.start_main_~y~4 84), 53254#(<= ULTIMATE.start_main_~y~4 85), 53255#(<= ULTIMATE.start_main_~y~4 86), 53256#(<= ULTIMATE.start_main_~y~4 87), 53257#(<= ULTIMATE.start_main_~y~4 88), 53258#(<= ULTIMATE.start_main_~y~4 89), 53259#(<= ULTIMATE.start_main_~y~4 90), 53260#(<= ULTIMATE.start_main_~y~4 91), 53261#(<= ULTIMATE.start_main_~y~4 92), 53262#(<= ULTIMATE.start_main_~y~4 93), 53263#(<= ULTIMATE.start_main_~y~4 94), 53264#(<= ULTIMATE.start_main_~y~4 95), 53265#(<= ULTIMATE.start_main_~y~4 96), 53266#(<= ULTIMATE.start_main_~y~4 97), 53267#(<= ULTIMATE.start_main_~y~4 98), 53268#(<= ULTIMATE.start_main_~y~4 99), 53269#(<= ULTIMATE.start_main_~y~4 100), 53270#(<= ULTIMATE.start_main_~y~4 101), 53271#(<= ULTIMATE.start_main_~y~4 102), 53272#(<= ULTIMATE.start_main_~y~4 103), 53273#(<= ULTIMATE.start_main_~y~4 104), 53274#(<= ULTIMATE.start_main_~y~4 105), 53275#(<= ULTIMATE.start_main_~y~4 106), 53276#(<= ULTIMATE.start_main_~y~4 107), 53277#(<= ULTIMATE.start_main_~y~4 108), 53278#(<= ULTIMATE.start_main_~y~4 109), 53279#(<= ULTIMATE.start_main_~y~4 110), 53280#(<= ULTIMATE.start_main_~y~4 111), 53281#(<= ULTIMATE.start_main_~y~4 112), 53282#(<= ULTIMATE.start_main_~y~4 113), 53283#(<= ULTIMATE.start_main_~y~4 114), 53284#(<= ULTIMATE.start_main_~y~4 115), 53285#(<= ULTIMATE.start_main_~y~4 116), 53286#(<= ULTIMATE.start_main_~y~4 117), 53287#(<= ULTIMATE.start_main_~y~4 118), 53288#(<= ULTIMATE.start_main_~y~4 119), 53289#(<= ULTIMATE.start_main_~y~4 120), 53290#(<= ULTIMATE.start_main_~y~4 121), 53291#(<= ULTIMATE.start_main_~y~4 122), 53292#(<= ULTIMATE.start_main_~y~4 123), 53293#(<= ULTIMATE.start_main_~y~4 124), 53294#(<= ULTIMATE.start_main_~y~4 125), 53295#(<= ULTIMATE.start_main_~y~4 126), 53296#(<= ULTIMATE.start_main_~y~4 127), 53297#(<= ULTIMATE.start_main_~y~4 128), 53298#(<= ULTIMATE.start_main_~y~4 129), 53299#(<= ULTIMATE.start_main_~y~4 130), 53300#(<= ULTIMATE.start_main_~y~4 131), 53301#(<= ULTIMATE.start_main_~y~4 132), 53302#(<= ULTIMATE.start_main_~y~4 133), 53303#(<= ULTIMATE.start_main_~y~4 134), 53304#(<= ULTIMATE.start_main_~y~4 135), 53305#(<= ULTIMATE.start_main_~y~4 136), 53306#(<= ULTIMATE.start_main_~y~4 137), 53307#(<= ULTIMATE.start_main_~y~4 138), 53308#(<= ULTIMATE.start_main_~y~4 139), 53309#(<= ULTIMATE.start_main_~y~4 140), 53310#(<= ULTIMATE.start_main_~y~4 141), 53167#true, 53168#false, 53169#(<= ULTIMATE.start_main_~y~4 0), 53170#(<= ULTIMATE.start_main_~y~4 1), 53171#(<= ULTIMATE.start_main_~y~4 2), 53172#(<= ULTIMATE.start_main_~y~4 3), 53173#(<= ULTIMATE.start_main_~y~4 4), 53174#(<= ULTIMATE.start_main_~y~4 5), 53175#(<= ULTIMATE.start_main_~y~4 6), 53176#(<= ULTIMATE.start_main_~y~4 7), 53177#(<= ULTIMATE.start_main_~y~4 8), 53178#(<= ULTIMATE.start_main_~y~4 9), 53179#(<= ULTIMATE.start_main_~y~4 10), 53180#(<= ULTIMATE.start_main_~y~4 11), 53181#(<= ULTIMATE.start_main_~y~4 12), 53182#(<= ULTIMATE.start_main_~y~4 13), 53183#(<= ULTIMATE.start_main_~y~4 14), 53184#(<= ULTIMATE.start_main_~y~4 15), 53185#(<= ULTIMATE.start_main_~y~4 16), 53186#(<= ULTIMATE.start_main_~y~4 17), 53187#(<= ULTIMATE.start_main_~y~4 18), 53188#(<= ULTIMATE.start_main_~y~4 19), 53189#(<= ULTIMATE.start_main_~y~4 20), 53190#(<= ULTIMATE.start_main_~y~4 21), 53191#(<= ULTIMATE.start_main_~y~4 22), 53192#(<= ULTIMATE.start_main_~y~4 23), 53193#(<= ULTIMATE.start_main_~y~4 24), 53194#(<= ULTIMATE.start_main_~y~4 25), 53195#(<= ULTIMATE.start_main_~y~4 26), 53196#(<= ULTIMATE.start_main_~y~4 27), 53197#(<= ULTIMATE.start_main_~y~4 28), 53198#(<= ULTIMATE.start_main_~y~4 29), 53199#(<= ULTIMATE.start_main_~y~4 30), 53200#(<= ULTIMATE.start_main_~y~4 31), 53201#(<= ULTIMATE.start_main_~y~4 32), 53202#(<= ULTIMATE.start_main_~y~4 33), 53203#(<= ULTIMATE.start_main_~y~4 34), 53204#(<= ULTIMATE.start_main_~y~4 35), 53205#(<= ULTIMATE.start_main_~y~4 36), 53206#(<= ULTIMATE.start_main_~y~4 37), 53207#(<= ULTIMATE.start_main_~y~4 38), 53208#(<= ULTIMATE.start_main_~y~4 39), 53209#(<= ULTIMATE.start_main_~y~4 40), 53210#(<= ULTIMATE.start_main_~y~4 41), 53211#(<= ULTIMATE.start_main_~y~4 42), 53212#(<= ULTIMATE.start_main_~y~4 43), 53213#(<= ULTIMATE.start_main_~y~4 44), 53214#(<= ULTIMATE.start_main_~y~4 45), 53215#(<= ULTIMATE.start_main_~y~4 46), 53216#(<= ULTIMATE.start_main_~y~4 47), 53217#(<= ULTIMATE.start_main_~y~4 48), 53218#(<= ULTIMATE.start_main_~y~4 49), 53219#(<= ULTIMATE.start_main_~y~4 50), 53220#(<= ULTIMATE.start_main_~y~4 51), 53221#(<= ULTIMATE.start_main_~y~4 52), 53222#(<= ULTIMATE.start_main_~y~4 53), 53223#(<= ULTIMATE.start_main_~y~4 54), 53224#(<= ULTIMATE.start_main_~y~4 55), 53225#(<= ULTIMATE.start_main_~y~4 56), 53226#(<= ULTIMATE.start_main_~y~4 57), 53227#(<= ULTIMATE.start_main_~y~4 58), 53228#(<= ULTIMATE.start_main_~y~4 59), 53229#(<= ULTIMATE.start_main_~y~4 60), 53230#(<= ULTIMATE.start_main_~y~4 61), 53231#(<= ULTIMATE.start_main_~y~4 62), 53232#(<= ULTIMATE.start_main_~y~4 63), 53233#(<= ULTIMATE.start_main_~y~4 64), 53234#(<= ULTIMATE.start_main_~y~4 65), 53235#(<= ULTIMATE.start_main_~y~4 66), 53236#(<= ULTIMATE.start_main_~y~4 67), 53237#(<= ULTIMATE.start_main_~y~4 68), 53238#(<= ULTIMATE.start_main_~y~4 69), 53239#(<= ULTIMATE.start_main_~y~4 70), 53240#(<= ULTIMATE.start_main_~y~4 71), 53241#(<= ULTIMATE.start_main_~y~4 72), 53242#(<= ULTIMATE.start_main_~y~4 73), 53243#(<= ULTIMATE.start_main_~y~4 74), 53244#(<= ULTIMATE.start_main_~y~4 75), 53245#(<= ULTIMATE.start_main_~y~4 76), 53246#(<= ULTIMATE.start_main_~y~4 77), 53247#(<= ULTIMATE.start_main_~y~4 78)] [2018-07-23 13:38:10,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:10,807 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:38:10,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:38:10,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:38:10,809 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 144 states. [2018-07-23 13:38:10,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:10,921 INFO L93 Difference]: Finished difference Result 148 states and 148 transitions. [2018-07-23 13:38:10,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:38:10,921 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 144 [2018-07-23 13:38:10,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:10,922 INFO L225 Difference]: With dead ends: 148 [2018-07-23 13:38:10,922 INFO L226 Difference]: Without dead ends: 146 [2018-07-23 13:38:10,923 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:38:10,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-07-23 13:38:10,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-07-23 13:38:10,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-07-23 13:38:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 146 transitions. [2018-07-23 13:38:10,925 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 146 transitions. Word has length 144 [2018-07-23 13:38:10,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:10,925 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 146 transitions. [2018-07-23 13:38:10,925 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:38:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 146 transitions. [2018-07-23 13:38:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-07-23 13:38:10,926 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:10,926 INFO L357 BasicCegarLoop]: trace histogram [142, 1, 1, 1] [2018-07-23 13:38:10,926 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:10,926 INFO L82 PathProgramCache]: Analyzing trace with hash -2015096605, now seen corresponding path program 142 times [2018-07-23 13:38:10,926 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:11,596 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:11,596 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:38:11,596 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:11,597 INFO L185 omatonBuilderFactory]: Interpolants [54016#(<= ULTIMATE.start_main_~y~4 115), 54017#(<= ULTIMATE.start_main_~y~4 116), 54018#(<= ULTIMATE.start_main_~y~4 117), 54019#(<= ULTIMATE.start_main_~y~4 118), 54020#(<= ULTIMATE.start_main_~y~4 119), 54021#(<= ULTIMATE.start_main_~y~4 120), 54022#(<= ULTIMATE.start_main_~y~4 121), 54023#(<= ULTIMATE.start_main_~y~4 122), 54024#(<= ULTIMATE.start_main_~y~4 123), 54025#(<= ULTIMATE.start_main_~y~4 124), 54026#(<= ULTIMATE.start_main_~y~4 125), 54027#(<= ULTIMATE.start_main_~y~4 126), 54028#(<= ULTIMATE.start_main_~y~4 127), 54029#(<= ULTIMATE.start_main_~y~4 128), 54030#(<= ULTIMATE.start_main_~y~4 129), 54031#(<= ULTIMATE.start_main_~y~4 130), 54032#(<= ULTIMATE.start_main_~y~4 131), 54033#(<= ULTIMATE.start_main_~y~4 132), 54034#(<= ULTIMATE.start_main_~y~4 133), 54035#(<= ULTIMATE.start_main_~y~4 134), 54036#(<= ULTIMATE.start_main_~y~4 135), 54037#(<= ULTIMATE.start_main_~y~4 136), 54038#(<= ULTIMATE.start_main_~y~4 137), 54039#(<= ULTIMATE.start_main_~y~4 138), 54040#(<= ULTIMATE.start_main_~y~4 139), 54041#(<= ULTIMATE.start_main_~y~4 140), 54042#(<= ULTIMATE.start_main_~y~4 141), 54043#(<= ULTIMATE.start_main_~y~4 142), 53899#true, 53900#false, 53901#(<= ULTIMATE.start_main_~y~4 0), 53902#(<= ULTIMATE.start_main_~y~4 1), 53903#(<= ULTIMATE.start_main_~y~4 2), 53904#(<= ULTIMATE.start_main_~y~4 3), 53905#(<= ULTIMATE.start_main_~y~4 4), 53906#(<= ULTIMATE.start_main_~y~4 5), 53907#(<= ULTIMATE.start_main_~y~4 6), 53908#(<= ULTIMATE.start_main_~y~4 7), 53909#(<= ULTIMATE.start_main_~y~4 8), 53910#(<= ULTIMATE.start_main_~y~4 9), 53911#(<= ULTIMATE.start_main_~y~4 10), 53912#(<= ULTIMATE.start_main_~y~4 11), 53913#(<= ULTIMATE.start_main_~y~4 12), 53914#(<= ULTIMATE.start_main_~y~4 13), 53915#(<= ULTIMATE.start_main_~y~4 14), 53916#(<= ULTIMATE.start_main_~y~4 15), 53917#(<= ULTIMATE.start_main_~y~4 16), 53918#(<= ULTIMATE.start_main_~y~4 17), 53919#(<= ULTIMATE.start_main_~y~4 18), 53920#(<= ULTIMATE.start_main_~y~4 19), 53921#(<= ULTIMATE.start_main_~y~4 20), 53922#(<= ULTIMATE.start_main_~y~4 21), 53923#(<= ULTIMATE.start_main_~y~4 22), 53924#(<= ULTIMATE.start_main_~y~4 23), 53925#(<= ULTIMATE.start_main_~y~4 24), 53926#(<= ULTIMATE.start_main_~y~4 25), 53927#(<= ULTIMATE.start_main_~y~4 26), 53928#(<= ULTIMATE.start_main_~y~4 27), 53929#(<= ULTIMATE.start_main_~y~4 28), 53930#(<= ULTIMATE.start_main_~y~4 29), 53931#(<= ULTIMATE.start_main_~y~4 30), 53932#(<= ULTIMATE.start_main_~y~4 31), 53933#(<= ULTIMATE.start_main_~y~4 32), 53934#(<= ULTIMATE.start_main_~y~4 33), 53935#(<= ULTIMATE.start_main_~y~4 34), 53936#(<= ULTIMATE.start_main_~y~4 35), 53937#(<= ULTIMATE.start_main_~y~4 36), 53938#(<= ULTIMATE.start_main_~y~4 37), 53939#(<= ULTIMATE.start_main_~y~4 38), 53940#(<= ULTIMATE.start_main_~y~4 39), 53941#(<= ULTIMATE.start_main_~y~4 40), 53942#(<= ULTIMATE.start_main_~y~4 41), 53943#(<= ULTIMATE.start_main_~y~4 42), 53944#(<= ULTIMATE.start_main_~y~4 43), 53945#(<= ULTIMATE.start_main_~y~4 44), 53946#(<= ULTIMATE.start_main_~y~4 45), 53947#(<= ULTIMATE.start_main_~y~4 46), 53948#(<= ULTIMATE.start_main_~y~4 47), 53949#(<= ULTIMATE.start_main_~y~4 48), 53950#(<= ULTIMATE.start_main_~y~4 49), 53951#(<= ULTIMATE.start_main_~y~4 50), 53952#(<= ULTIMATE.start_main_~y~4 51), 53953#(<= ULTIMATE.start_main_~y~4 52), 53954#(<= ULTIMATE.start_main_~y~4 53), 53955#(<= ULTIMATE.start_main_~y~4 54), 53956#(<= ULTIMATE.start_main_~y~4 55), 53957#(<= ULTIMATE.start_main_~y~4 56), 53958#(<= ULTIMATE.start_main_~y~4 57), 53959#(<= ULTIMATE.start_main_~y~4 58), 53960#(<= ULTIMATE.start_main_~y~4 59), 53961#(<= ULTIMATE.start_main_~y~4 60), 53962#(<= ULTIMATE.start_main_~y~4 61), 53963#(<= ULTIMATE.start_main_~y~4 62), 53964#(<= ULTIMATE.start_main_~y~4 63), 53965#(<= ULTIMATE.start_main_~y~4 64), 53966#(<= ULTIMATE.start_main_~y~4 65), 53967#(<= ULTIMATE.start_main_~y~4 66), 53968#(<= ULTIMATE.start_main_~y~4 67), 53969#(<= ULTIMATE.start_main_~y~4 68), 53970#(<= ULTIMATE.start_main_~y~4 69), 53971#(<= ULTIMATE.start_main_~y~4 70), 53972#(<= ULTIMATE.start_main_~y~4 71), 53973#(<= ULTIMATE.start_main_~y~4 72), 53974#(<= ULTIMATE.start_main_~y~4 73), 53975#(<= ULTIMATE.start_main_~y~4 74), 53976#(<= ULTIMATE.start_main_~y~4 75), 53977#(<= ULTIMATE.start_main_~y~4 76), 53978#(<= ULTIMATE.start_main_~y~4 77), 53979#(<= ULTIMATE.start_main_~y~4 78), 53980#(<= ULTIMATE.start_main_~y~4 79), 53981#(<= ULTIMATE.start_main_~y~4 80), 53982#(<= ULTIMATE.start_main_~y~4 81), 53983#(<= ULTIMATE.start_main_~y~4 82), 53984#(<= ULTIMATE.start_main_~y~4 83), 53985#(<= ULTIMATE.start_main_~y~4 84), 53986#(<= ULTIMATE.start_main_~y~4 85), 53987#(<= ULTIMATE.start_main_~y~4 86), 53988#(<= ULTIMATE.start_main_~y~4 87), 53989#(<= ULTIMATE.start_main_~y~4 88), 53990#(<= ULTIMATE.start_main_~y~4 89), 53991#(<= ULTIMATE.start_main_~y~4 90), 53992#(<= ULTIMATE.start_main_~y~4 91), 53993#(<= ULTIMATE.start_main_~y~4 92), 53994#(<= ULTIMATE.start_main_~y~4 93), 53995#(<= ULTIMATE.start_main_~y~4 94), 53996#(<= ULTIMATE.start_main_~y~4 95), 53997#(<= ULTIMATE.start_main_~y~4 96), 53998#(<= ULTIMATE.start_main_~y~4 97), 53999#(<= ULTIMATE.start_main_~y~4 98), 54000#(<= ULTIMATE.start_main_~y~4 99), 54001#(<= ULTIMATE.start_main_~y~4 100), 54002#(<= ULTIMATE.start_main_~y~4 101), 54003#(<= ULTIMATE.start_main_~y~4 102), 54004#(<= ULTIMATE.start_main_~y~4 103), 54005#(<= ULTIMATE.start_main_~y~4 104), 54006#(<= ULTIMATE.start_main_~y~4 105), 54007#(<= ULTIMATE.start_main_~y~4 106), 54008#(<= ULTIMATE.start_main_~y~4 107), 54009#(<= ULTIMATE.start_main_~y~4 108), 54010#(<= ULTIMATE.start_main_~y~4 109), 54011#(<= ULTIMATE.start_main_~y~4 110), 54012#(<= ULTIMATE.start_main_~y~4 111), 54013#(<= ULTIMATE.start_main_~y~4 112), 54014#(<= ULTIMATE.start_main_~y~4 113), 54015#(<= ULTIMATE.start_main_~y~4 114)] [2018-07-23 13:38:11,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:11,598 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:38:11,600 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:38:11,601 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:38:11,601 INFO L87 Difference]: Start difference. First operand 146 states and 146 transitions. Second operand 145 states. [2018-07-23 13:38:11,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:11,907 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:38:11,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:38:11,907 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 145 [2018-07-23 13:38:11,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:11,907 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:38:11,908 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:38:11,909 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:38:11,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:38:11,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:38:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:38:11,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:38:11,912 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 145 [2018-07-23 13:38:11,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:11,912 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:38:11,912 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:38:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:38:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:38:11,913 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:11,913 INFO L357 BasicCegarLoop]: trace histogram [143, 1, 1, 1] [2018-07-23 13:38:11,913 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:11,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1956516492, now seen corresponding path program 143 times [2018-07-23 13:38:11,913 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:12,407 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:12,408 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:38:12,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:12,408 INFO L185 omatonBuilderFactory]: Interpolants [54636#true, 54637#false, 54638#(<= ULTIMATE.start_main_~y~4 0), 54639#(<= ULTIMATE.start_main_~y~4 1), 54640#(<= ULTIMATE.start_main_~y~4 2), 54641#(<= ULTIMATE.start_main_~y~4 3), 54642#(<= ULTIMATE.start_main_~y~4 4), 54643#(<= ULTIMATE.start_main_~y~4 5), 54644#(<= ULTIMATE.start_main_~y~4 6), 54645#(<= ULTIMATE.start_main_~y~4 7), 54646#(<= ULTIMATE.start_main_~y~4 8), 54647#(<= ULTIMATE.start_main_~y~4 9), 54648#(<= ULTIMATE.start_main_~y~4 10), 54649#(<= ULTIMATE.start_main_~y~4 11), 54650#(<= ULTIMATE.start_main_~y~4 12), 54651#(<= ULTIMATE.start_main_~y~4 13), 54652#(<= ULTIMATE.start_main_~y~4 14), 54653#(<= ULTIMATE.start_main_~y~4 15), 54654#(<= ULTIMATE.start_main_~y~4 16), 54655#(<= ULTIMATE.start_main_~y~4 17), 54656#(<= ULTIMATE.start_main_~y~4 18), 54657#(<= ULTIMATE.start_main_~y~4 19), 54658#(<= ULTIMATE.start_main_~y~4 20), 54659#(<= ULTIMATE.start_main_~y~4 21), 54660#(<= ULTIMATE.start_main_~y~4 22), 54661#(<= ULTIMATE.start_main_~y~4 23), 54662#(<= ULTIMATE.start_main_~y~4 24), 54663#(<= ULTIMATE.start_main_~y~4 25), 54664#(<= ULTIMATE.start_main_~y~4 26), 54665#(<= ULTIMATE.start_main_~y~4 27), 54666#(<= ULTIMATE.start_main_~y~4 28), 54667#(<= ULTIMATE.start_main_~y~4 29), 54668#(<= ULTIMATE.start_main_~y~4 30), 54669#(<= ULTIMATE.start_main_~y~4 31), 54670#(<= ULTIMATE.start_main_~y~4 32), 54671#(<= ULTIMATE.start_main_~y~4 33), 54672#(<= ULTIMATE.start_main_~y~4 34), 54673#(<= ULTIMATE.start_main_~y~4 35), 54674#(<= ULTIMATE.start_main_~y~4 36), 54675#(<= ULTIMATE.start_main_~y~4 37), 54676#(<= ULTIMATE.start_main_~y~4 38), 54677#(<= ULTIMATE.start_main_~y~4 39), 54678#(<= ULTIMATE.start_main_~y~4 40), 54679#(<= ULTIMATE.start_main_~y~4 41), 54680#(<= ULTIMATE.start_main_~y~4 42), 54681#(<= ULTIMATE.start_main_~y~4 43), 54682#(<= ULTIMATE.start_main_~y~4 44), 54683#(<= ULTIMATE.start_main_~y~4 45), 54684#(<= ULTIMATE.start_main_~y~4 46), 54685#(<= ULTIMATE.start_main_~y~4 47), 54686#(<= ULTIMATE.start_main_~y~4 48), 54687#(<= ULTIMATE.start_main_~y~4 49), 54688#(<= ULTIMATE.start_main_~y~4 50), 54689#(<= ULTIMATE.start_main_~y~4 51), 54690#(<= ULTIMATE.start_main_~y~4 52), 54691#(<= ULTIMATE.start_main_~y~4 53), 54692#(<= ULTIMATE.start_main_~y~4 54), 54693#(<= ULTIMATE.start_main_~y~4 55), 54694#(<= ULTIMATE.start_main_~y~4 56), 54695#(<= ULTIMATE.start_main_~y~4 57), 54696#(<= ULTIMATE.start_main_~y~4 58), 54697#(<= ULTIMATE.start_main_~y~4 59), 54698#(<= ULTIMATE.start_main_~y~4 60), 54699#(<= ULTIMATE.start_main_~y~4 61), 54700#(<= ULTIMATE.start_main_~y~4 62), 54701#(<= ULTIMATE.start_main_~y~4 63), 54702#(<= ULTIMATE.start_main_~y~4 64), 54703#(<= ULTIMATE.start_main_~y~4 65), 54704#(<= ULTIMATE.start_main_~y~4 66), 54705#(<= ULTIMATE.start_main_~y~4 67), 54706#(<= ULTIMATE.start_main_~y~4 68), 54707#(<= ULTIMATE.start_main_~y~4 69), 54708#(<= ULTIMATE.start_main_~y~4 70), 54709#(<= ULTIMATE.start_main_~y~4 71), 54710#(<= ULTIMATE.start_main_~y~4 72), 54711#(<= ULTIMATE.start_main_~y~4 73), 54712#(<= ULTIMATE.start_main_~y~4 74), 54713#(<= ULTIMATE.start_main_~y~4 75), 54714#(<= ULTIMATE.start_main_~y~4 76), 54715#(<= ULTIMATE.start_main_~y~4 77), 54716#(<= ULTIMATE.start_main_~y~4 78), 54717#(<= ULTIMATE.start_main_~y~4 79), 54718#(<= ULTIMATE.start_main_~y~4 80), 54719#(<= ULTIMATE.start_main_~y~4 81), 54720#(<= ULTIMATE.start_main_~y~4 82), 54721#(<= ULTIMATE.start_main_~y~4 83), 54722#(<= ULTIMATE.start_main_~y~4 84), 54723#(<= ULTIMATE.start_main_~y~4 85), 54724#(<= ULTIMATE.start_main_~y~4 86), 54725#(<= ULTIMATE.start_main_~y~4 87), 54726#(<= ULTIMATE.start_main_~y~4 88), 54727#(<= ULTIMATE.start_main_~y~4 89), 54728#(<= ULTIMATE.start_main_~y~4 90), 54729#(<= ULTIMATE.start_main_~y~4 91), 54730#(<= ULTIMATE.start_main_~y~4 92), 54731#(<= ULTIMATE.start_main_~y~4 93), 54732#(<= ULTIMATE.start_main_~y~4 94), 54733#(<= ULTIMATE.start_main_~y~4 95), 54734#(<= ULTIMATE.start_main_~y~4 96), 54735#(<= ULTIMATE.start_main_~y~4 97), 54736#(<= ULTIMATE.start_main_~y~4 98), 54737#(<= ULTIMATE.start_main_~y~4 99), 54738#(<= ULTIMATE.start_main_~y~4 100), 54739#(<= ULTIMATE.start_main_~y~4 101), 54740#(<= ULTIMATE.start_main_~y~4 102), 54741#(<= ULTIMATE.start_main_~y~4 103), 54742#(<= ULTIMATE.start_main_~y~4 104), 54743#(<= ULTIMATE.start_main_~y~4 105), 54744#(<= ULTIMATE.start_main_~y~4 106), 54745#(<= ULTIMATE.start_main_~y~4 107), 54746#(<= ULTIMATE.start_main_~y~4 108), 54747#(<= ULTIMATE.start_main_~y~4 109), 54748#(<= ULTIMATE.start_main_~y~4 110), 54749#(<= ULTIMATE.start_main_~y~4 111), 54750#(<= ULTIMATE.start_main_~y~4 112), 54751#(<= ULTIMATE.start_main_~y~4 113), 54752#(<= ULTIMATE.start_main_~y~4 114), 54753#(<= ULTIMATE.start_main_~y~4 115), 54754#(<= ULTIMATE.start_main_~y~4 116), 54755#(<= ULTIMATE.start_main_~y~4 117), 54756#(<= ULTIMATE.start_main_~y~4 118), 54757#(<= ULTIMATE.start_main_~y~4 119), 54758#(<= ULTIMATE.start_main_~y~4 120), 54759#(<= ULTIMATE.start_main_~y~4 121), 54760#(<= ULTIMATE.start_main_~y~4 122), 54761#(<= ULTIMATE.start_main_~y~4 123), 54762#(<= ULTIMATE.start_main_~y~4 124), 54763#(<= ULTIMATE.start_main_~y~4 125), 54764#(<= ULTIMATE.start_main_~y~4 126), 54765#(<= ULTIMATE.start_main_~y~4 127), 54766#(<= ULTIMATE.start_main_~y~4 128), 54767#(<= ULTIMATE.start_main_~y~4 129), 54768#(<= ULTIMATE.start_main_~y~4 130), 54769#(<= ULTIMATE.start_main_~y~4 131), 54770#(<= ULTIMATE.start_main_~y~4 132), 54771#(<= ULTIMATE.start_main_~y~4 133), 54772#(<= ULTIMATE.start_main_~y~4 134), 54773#(<= ULTIMATE.start_main_~y~4 135), 54774#(<= ULTIMATE.start_main_~y~4 136), 54775#(<= ULTIMATE.start_main_~y~4 137), 54776#(<= ULTIMATE.start_main_~y~4 138), 54777#(<= ULTIMATE.start_main_~y~4 139), 54778#(<= ULTIMATE.start_main_~y~4 140), 54779#(<= ULTIMATE.start_main_~y~4 141), 54780#(<= ULTIMATE.start_main_~y~4 142), 54781#(<= ULTIMATE.start_main_~y~4 143)] [2018-07-23 13:38:12,409 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:12,409 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:38:12,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:38:12,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:38:12,412 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 146 states. [2018-07-23 13:38:12,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:12,767 INFO L93 Difference]: Finished difference Result 150 states and 150 transitions. [2018-07-23 13:38:12,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:38:12,768 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 146 [2018-07-23 13:38:12,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:12,768 INFO L225 Difference]: With dead ends: 150 [2018-07-23 13:38:12,768 INFO L226 Difference]: Without dead ends: 148 [2018-07-23 13:38:12,769 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:38:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-07-23 13:38:12,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-07-23 13:38:12,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-07-23 13:38:12,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 148 transitions. [2018-07-23 13:38:12,771 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 148 transitions. Word has length 146 [2018-07-23 13:38:12,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:12,771 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 148 transitions. [2018-07-23 13:38:12,771 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:38:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 148 transitions. [2018-07-23 13:38:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-23 13:38:12,772 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:12,772 INFO L357 BasicCegarLoop]: trace histogram [144, 1, 1, 1] [2018-07-23 13:38:12,772 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:12,773 INFO L82 PathProgramCache]: Analyzing trace with hash 522470915, now seen corresponding path program 144 times [2018-07-23 13:38:12,773 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:13,273 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:13,273 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:38:13,274 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:13,274 INFO L185 omatonBuilderFactory]: Interpolants [55378#true, 55379#false, 55380#(<= ULTIMATE.start_main_~y~4 0), 55381#(<= ULTIMATE.start_main_~y~4 1), 55382#(<= ULTIMATE.start_main_~y~4 2), 55383#(<= ULTIMATE.start_main_~y~4 3), 55384#(<= ULTIMATE.start_main_~y~4 4), 55385#(<= ULTIMATE.start_main_~y~4 5), 55386#(<= ULTIMATE.start_main_~y~4 6), 55387#(<= ULTIMATE.start_main_~y~4 7), 55388#(<= ULTIMATE.start_main_~y~4 8), 55389#(<= ULTIMATE.start_main_~y~4 9), 55390#(<= ULTIMATE.start_main_~y~4 10), 55391#(<= ULTIMATE.start_main_~y~4 11), 55392#(<= ULTIMATE.start_main_~y~4 12), 55393#(<= ULTIMATE.start_main_~y~4 13), 55394#(<= ULTIMATE.start_main_~y~4 14), 55395#(<= ULTIMATE.start_main_~y~4 15), 55396#(<= ULTIMATE.start_main_~y~4 16), 55397#(<= ULTIMATE.start_main_~y~4 17), 55398#(<= ULTIMATE.start_main_~y~4 18), 55399#(<= ULTIMATE.start_main_~y~4 19), 55400#(<= ULTIMATE.start_main_~y~4 20), 55401#(<= ULTIMATE.start_main_~y~4 21), 55402#(<= ULTIMATE.start_main_~y~4 22), 55403#(<= ULTIMATE.start_main_~y~4 23), 55404#(<= ULTIMATE.start_main_~y~4 24), 55405#(<= ULTIMATE.start_main_~y~4 25), 55406#(<= ULTIMATE.start_main_~y~4 26), 55407#(<= ULTIMATE.start_main_~y~4 27), 55408#(<= ULTIMATE.start_main_~y~4 28), 55409#(<= ULTIMATE.start_main_~y~4 29), 55410#(<= ULTIMATE.start_main_~y~4 30), 55411#(<= ULTIMATE.start_main_~y~4 31), 55412#(<= ULTIMATE.start_main_~y~4 32), 55413#(<= ULTIMATE.start_main_~y~4 33), 55414#(<= ULTIMATE.start_main_~y~4 34), 55415#(<= ULTIMATE.start_main_~y~4 35), 55416#(<= ULTIMATE.start_main_~y~4 36), 55417#(<= ULTIMATE.start_main_~y~4 37), 55418#(<= ULTIMATE.start_main_~y~4 38), 55419#(<= ULTIMATE.start_main_~y~4 39), 55420#(<= ULTIMATE.start_main_~y~4 40), 55421#(<= ULTIMATE.start_main_~y~4 41), 55422#(<= ULTIMATE.start_main_~y~4 42), 55423#(<= ULTIMATE.start_main_~y~4 43), 55424#(<= ULTIMATE.start_main_~y~4 44), 55425#(<= ULTIMATE.start_main_~y~4 45), 55426#(<= ULTIMATE.start_main_~y~4 46), 55427#(<= ULTIMATE.start_main_~y~4 47), 55428#(<= ULTIMATE.start_main_~y~4 48), 55429#(<= ULTIMATE.start_main_~y~4 49), 55430#(<= ULTIMATE.start_main_~y~4 50), 55431#(<= ULTIMATE.start_main_~y~4 51), 55432#(<= ULTIMATE.start_main_~y~4 52), 55433#(<= ULTIMATE.start_main_~y~4 53), 55434#(<= ULTIMATE.start_main_~y~4 54), 55435#(<= ULTIMATE.start_main_~y~4 55), 55436#(<= ULTIMATE.start_main_~y~4 56), 55437#(<= ULTIMATE.start_main_~y~4 57), 55438#(<= ULTIMATE.start_main_~y~4 58), 55439#(<= ULTIMATE.start_main_~y~4 59), 55440#(<= ULTIMATE.start_main_~y~4 60), 55441#(<= ULTIMATE.start_main_~y~4 61), 55442#(<= ULTIMATE.start_main_~y~4 62), 55443#(<= ULTIMATE.start_main_~y~4 63), 55444#(<= ULTIMATE.start_main_~y~4 64), 55445#(<= ULTIMATE.start_main_~y~4 65), 55446#(<= ULTIMATE.start_main_~y~4 66), 55447#(<= ULTIMATE.start_main_~y~4 67), 55448#(<= ULTIMATE.start_main_~y~4 68), 55449#(<= ULTIMATE.start_main_~y~4 69), 55450#(<= ULTIMATE.start_main_~y~4 70), 55451#(<= ULTIMATE.start_main_~y~4 71), 55452#(<= ULTIMATE.start_main_~y~4 72), 55453#(<= ULTIMATE.start_main_~y~4 73), 55454#(<= ULTIMATE.start_main_~y~4 74), 55455#(<= ULTIMATE.start_main_~y~4 75), 55456#(<= ULTIMATE.start_main_~y~4 76), 55457#(<= ULTIMATE.start_main_~y~4 77), 55458#(<= ULTIMATE.start_main_~y~4 78), 55459#(<= ULTIMATE.start_main_~y~4 79), 55460#(<= ULTIMATE.start_main_~y~4 80), 55461#(<= ULTIMATE.start_main_~y~4 81), 55462#(<= ULTIMATE.start_main_~y~4 82), 55463#(<= ULTIMATE.start_main_~y~4 83), 55464#(<= ULTIMATE.start_main_~y~4 84), 55465#(<= ULTIMATE.start_main_~y~4 85), 55466#(<= ULTIMATE.start_main_~y~4 86), 55467#(<= ULTIMATE.start_main_~y~4 87), 55468#(<= ULTIMATE.start_main_~y~4 88), 55469#(<= ULTIMATE.start_main_~y~4 89), 55470#(<= ULTIMATE.start_main_~y~4 90), 55471#(<= ULTIMATE.start_main_~y~4 91), 55472#(<= ULTIMATE.start_main_~y~4 92), 55473#(<= ULTIMATE.start_main_~y~4 93), 55474#(<= ULTIMATE.start_main_~y~4 94), 55475#(<= ULTIMATE.start_main_~y~4 95), 55476#(<= ULTIMATE.start_main_~y~4 96), 55477#(<= ULTIMATE.start_main_~y~4 97), 55478#(<= ULTIMATE.start_main_~y~4 98), 55479#(<= ULTIMATE.start_main_~y~4 99), 55480#(<= ULTIMATE.start_main_~y~4 100), 55481#(<= ULTIMATE.start_main_~y~4 101), 55482#(<= ULTIMATE.start_main_~y~4 102), 55483#(<= ULTIMATE.start_main_~y~4 103), 55484#(<= ULTIMATE.start_main_~y~4 104), 55485#(<= ULTIMATE.start_main_~y~4 105), 55486#(<= ULTIMATE.start_main_~y~4 106), 55487#(<= ULTIMATE.start_main_~y~4 107), 55488#(<= ULTIMATE.start_main_~y~4 108), 55489#(<= ULTIMATE.start_main_~y~4 109), 55490#(<= ULTIMATE.start_main_~y~4 110), 55491#(<= ULTIMATE.start_main_~y~4 111), 55492#(<= ULTIMATE.start_main_~y~4 112), 55493#(<= ULTIMATE.start_main_~y~4 113), 55494#(<= ULTIMATE.start_main_~y~4 114), 55495#(<= ULTIMATE.start_main_~y~4 115), 55496#(<= ULTIMATE.start_main_~y~4 116), 55497#(<= ULTIMATE.start_main_~y~4 117), 55498#(<= ULTIMATE.start_main_~y~4 118), 55499#(<= ULTIMATE.start_main_~y~4 119), 55500#(<= ULTIMATE.start_main_~y~4 120), 55501#(<= ULTIMATE.start_main_~y~4 121), 55502#(<= ULTIMATE.start_main_~y~4 122), 55503#(<= ULTIMATE.start_main_~y~4 123), 55504#(<= ULTIMATE.start_main_~y~4 124), 55505#(<= ULTIMATE.start_main_~y~4 125), 55506#(<= ULTIMATE.start_main_~y~4 126), 55507#(<= ULTIMATE.start_main_~y~4 127), 55508#(<= ULTIMATE.start_main_~y~4 128), 55509#(<= ULTIMATE.start_main_~y~4 129), 55510#(<= ULTIMATE.start_main_~y~4 130), 55511#(<= ULTIMATE.start_main_~y~4 131), 55512#(<= ULTIMATE.start_main_~y~4 132), 55513#(<= ULTIMATE.start_main_~y~4 133), 55514#(<= ULTIMATE.start_main_~y~4 134), 55515#(<= ULTIMATE.start_main_~y~4 135), 55516#(<= ULTIMATE.start_main_~y~4 136), 55517#(<= ULTIMATE.start_main_~y~4 137), 55518#(<= ULTIMATE.start_main_~y~4 138), 55519#(<= ULTIMATE.start_main_~y~4 139), 55520#(<= ULTIMATE.start_main_~y~4 140), 55521#(<= ULTIMATE.start_main_~y~4 141), 55522#(<= ULTIMATE.start_main_~y~4 142), 55523#(<= ULTIMATE.start_main_~y~4 143), 55524#(<= ULTIMATE.start_main_~y~4 144)] [2018-07-23 13:38:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:13,275 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:38:13,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:38:13,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:38:13,277 INFO L87 Difference]: Start difference. First operand 148 states and 148 transitions. Second operand 147 states. [2018-07-23 13:38:13,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:13,602 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:38:13,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:38:13,602 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 147 [2018-07-23 13:38:13,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:13,603 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:38:13,603 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:38:13,604 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:38:13,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:38:13,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:38:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:38:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:38:13,606 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 147 [2018-07-23 13:38:13,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:13,607 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:38:13,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:38:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:38:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:38:13,607 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:13,607 INFO L357 BasicCegarLoop]: trace histogram [145, 1, 1, 1] [2018-07-23 13:38:13,608 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:13,608 INFO L82 PathProgramCache]: Analyzing trace with hash -983269012, now seen corresponding path program 145 times [2018-07-23 13:38:13,608 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:14,147 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:14,147 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:38:14,147 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:14,147 INFO L185 omatonBuilderFactory]: Interpolants [56125#true, 56126#false, 56127#(<= ULTIMATE.start_main_~y~4 0), 56128#(<= ULTIMATE.start_main_~y~4 1), 56129#(<= ULTIMATE.start_main_~y~4 2), 56130#(<= ULTIMATE.start_main_~y~4 3), 56131#(<= ULTIMATE.start_main_~y~4 4), 56132#(<= ULTIMATE.start_main_~y~4 5), 56133#(<= ULTIMATE.start_main_~y~4 6), 56134#(<= ULTIMATE.start_main_~y~4 7), 56135#(<= ULTIMATE.start_main_~y~4 8), 56136#(<= ULTIMATE.start_main_~y~4 9), 56137#(<= ULTIMATE.start_main_~y~4 10), 56138#(<= ULTIMATE.start_main_~y~4 11), 56139#(<= ULTIMATE.start_main_~y~4 12), 56140#(<= ULTIMATE.start_main_~y~4 13), 56141#(<= ULTIMATE.start_main_~y~4 14), 56142#(<= ULTIMATE.start_main_~y~4 15), 56143#(<= ULTIMATE.start_main_~y~4 16), 56144#(<= ULTIMATE.start_main_~y~4 17), 56145#(<= ULTIMATE.start_main_~y~4 18), 56146#(<= ULTIMATE.start_main_~y~4 19), 56147#(<= ULTIMATE.start_main_~y~4 20), 56148#(<= ULTIMATE.start_main_~y~4 21), 56149#(<= ULTIMATE.start_main_~y~4 22), 56150#(<= ULTIMATE.start_main_~y~4 23), 56151#(<= ULTIMATE.start_main_~y~4 24), 56152#(<= ULTIMATE.start_main_~y~4 25), 56153#(<= ULTIMATE.start_main_~y~4 26), 56154#(<= ULTIMATE.start_main_~y~4 27), 56155#(<= ULTIMATE.start_main_~y~4 28), 56156#(<= ULTIMATE.start_main_~y~4 29), 56157#(<= ULTIMATE.start_main_~y~4 30), 56158#(<= ULTIMATE.start_main_~y~4 31), 56159#(<= ULTIMATE.start_main_~y~4 32), 56160#(<= ULTIMATE.start_main_~y~4 33), 56161#(<= ULTIMATE.start_main_~y~4 34), 56162#(<= ULTIMATE.start_main_~y~4 35), 56163#(<= ULTIMATE.start_main_~y~4 36), 56164#(<= ULTIMATE.start_main_~y~4 37), 56165#(<= ULTIMATE.start_main_~y~4 38), 56166#(<= ULTIMATE.start_main_~y~4 39), 56167#(<= ULTIMATE.start_main_~y~4 40), 56168#(<= ULTIMATE.start_main_~y~4 41), 56169#(<= ULTIMATE.start_main_~y~4 42), 56170#(<= ULTIMATE.start_main_~y~4 43), 56171#(<= ULTIMATE.start_main_~y~4 44), 56172#(<= ULTIMATE.start_main_~y~4 45), 56173#(<= ULTIMATE.start_main_~y~4 46), 56174#(<= ULTIMATE.start_main_~y~4 47), 56175#(<= ULTIMATE.start_main_~y~4 48), 56176#(<= ULTIMATE.start_main_~y~4 49), 56177#(<= ULTIMATE.start_main_~y~4 50), 56178#(<= ULTIMATE.start_main_~y~4 51), 56179#(<= ULTIMATE.start_main_~y~4 52), 56180#(<= ULTIMATE.start_main_~y~4 53), 56181#(<= ULTIMATE.start_main_~y~4 54), 56182#(<= ULTIMATE.start_main_~y~4 55), 56183#(<= ULTIMATE.start_main_~y~4 56), 56184#(<= ULTIMATE.start_main_~y~4 57), 56185#(<= ULTIMATE.start_main_~y~4 58), 56186#(<= ULTIMATE.start_main_~y~4 59), 56187#(<= ULTIMATE.start_main_~y~4 60), 56188#(<= ULTIMATE.start_main_~y~4 61), 56189#(<= ULTIMATE.start_main_~y~4 62), 56190#(<= ULTIMATE.start_main_~y~4 63), 56191#(<= ULTIMATE.start_main_~y~4 64), 56192#(<= ULTIMATE.start_main_~y~4 65), 56193#(<= ULTIMATE.start_main_~y~4 66), 56194#(<= ULTIMATE.start_main_~y~4 67), 56195#(<= ULTIMATE.start_main_~y~4 68), 56196#(<= ULTIMATE.start_main_~y~4 69), 56197#(<= ULTIMATE.start_main_~y~4 70), 56198#(<= ULTIMATE.start_main_~y~4 71), 56199#(<= ULTIMATE.start_main_~y~4 72), 56200#(<= ULTIMATE.start_main_~y~4 73), 56201#(<= ULTIMATE.start_main_~y~4 74), 56202#(<= ULTIMATE.start_main_~y~4 75), 56203#(<= ULTIMATE.start_main_~y~4 76), 56204#(<= ULTIMATE.start_main_~y~4 77), 56205#(<= ULTIMATE.start_main_~y~4 78), 56206#(<= ULTIMATE.start_main_~y~4 79), 56207#(<= ULTIMATE.start_main_~y~4 80), 56208#(<= ULTIMATE.start_main_~y~4 81), 56209#(<= ULTIMATE.start_main_~y~4 82), 56210#(<= ULTIMATE.start_main_~y~4 83), 56211#(<= ULTIMATE.start_main_~y~4 84), 56212#(<= ULTIMATE.start_main_~y~4 85), 56213#(<= ULTIMATE.start_main_~y~4 86), 56214#(<= ULTIMATE.start_main_~y~4 87), 56215#(<= ULTIMATE.start_main_~y~4 88), 56216#(<= ULTIMATE.start_main_~y~4 89), 56217#(<= ULTIMATE.start_main_~y~4 90), 56218#(<= ULTIMATE.start_main_~y~4 91), 56219#(<= ULTIMATE.start_main_~y~4 92), 56220#(<= ULTIMATE.start_main_~y~4 93), 56221#(<= ULTIMATE.start_main_~y~4 94), 56222#(<= ULTIMATE.start_main_~y~4 95), 56223#(<= ULTIMATE.start_main_~y~4 96), 56224#(<= ULTIMATE.start_main_~y~4 97), 56225#(<= ULTIMATE.start_main_~y~4 98), 56226#(<= ULTIMATE.start_main_~y~4 99), 56227#(<= ULTIMATE.start_main_~y~4 100), 56228#(<= ULTIMATE.start_main_~y~4 101), 56229#(<= ULTIMATE.start_main_~y~4 102), 56230#(<= ULTIMATE.start_main_~y~4 103), 56231#(<= ULTIMATE.start_main_~y~4 104), 56232#(<= ULTIMATE.start_main_~y~4 105), 56233#(<= ULTIMATE.start_main_~y~4 106), 56234#(<= ULTIMATE.start_main_~y~4 107), 56235#(<= ULTIMATE.start_main_~y~4 108), 56236#(<= ULTIMATE.start_main_~y~4 109), 56237#(<= ULTIMATE.start_main_~y~4 110), 56238#(<= ULTIMATE.start_main_~y~4 111), 56239#(<= ULTIMATE.start_main_~y~4 112), 56240#(<= ULTIMATE.start_main_~y~4 113), 56241#(<= ULTIMATE.start_main_~y~4 114), 56242#(<= ULTIMATE.start_main_~y~4 115), 56243#(<= ULTIMATE.start_main_~y~4 116), 56244#(<= ULTIMATE.start_main_~y~4 117), 56245#(<= ULTIMATE.start_main_~y~4 118), 56246#(<= ULTIMATE.start_main_~y~4 119), 56247#(<= ULTIMATE.start_main_~y~4 120), 56248#(<= ULTIMATE.start_main_~y~4 121), 56249#(<= ULTIMATE.start_main_~y~4 122), 56250#(<= ULTIMATE.start_main_~y~4 123), 56251#(<= ULTIMATE.start_main_~y~4 124), 56252#(<= ULTIMATE.start_main_~y~4 125), 56253#(<= ULTIMATE.start_main_~y~4 126), 56254#(<= ULTIMATE.start_main_~y~4 127), 56255#(<= ULTIMATE.start_main_~y~4 128), 56256#(<= ULTIMATE.start_main_~y~4 129), 56257#(<= ULTIMATE.start_main_~y~4 130), 56258#(<= ULTIMATE.start_main_~y~4 131), 56259#(<= ULTIMATE.start_main_~y~4 132), 56260#(<= ULTIMATE.start_main_~y~4 133), 56261#(<= ULTIMATE.start_main_~y~4 134), 56262#(<= ULTIMATE.start_main_~y~4 135), 56263#(<= ULTIMATE.start_main_~y~4 136), 56264#(<= ULTIMATE.start_main_~y~4 137), 56265#(<= ULTIMATE.start_main_~y~4 138), 56266#(<= ULTIMATE.start_main_~y~4 139), 56267#(<= ULTIMATE.start_main_~y~4 140), 56268#(<= ULTIMATE.start_main_~y~4 141), 56269#(<= ULTIMATE.start_main_~y~4 142), 56270#(<= ULTIMATE.start_main_~y~4 143), 56271#(<= ULTIMATE.start_main_~y~4 144), 56272#(<= ULTIMATE.start_main_~y~4 145)] [2018-07-23 13:38:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:14,148 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:38:14,149 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:38:14,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:38:14,150 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 148 states. [2018-07-23 13:38:14,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:14,430 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2018-07-23 13:38:14,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:38:14,430 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 148 [2018-07-23 13:38:14,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:14,430 INFO L225 Difference]: With dead ends: 152 [2018-07-23 13:38:14,430 INFO L226 Difference]: Without dead ends: 150 [2018-07-23 13:38:14,431 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:38:14,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-07-23 13:38:14,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-07-23 13:38:14,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-07-23 13:38:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 150 transitions. [2018-07-23 13:38:14,434 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 150 transitions. Word has length 148 [2018-07-23 13:38:14,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:14,434 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 150 transitions. [2018-07-23 13:38:14,434 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:38:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 150 transitions. [2018-07-23 13:38:14,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-07-23 13:38:14,435 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:14,435 INFO L357 BasicCegarLoop]: trace histogram [146, 1, 1, 1] [2018-07-23 13:38:14,435 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:14,435 INFO L82 PathProgramCache]: Analyzing trace with hash -416566493, now seen corresponding path program 146 times [2018-07-23 13:38:14,436 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:14,970 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:14,970 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:38:14,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:14,971 INFO L185 omatonBuilderFactory]: Interpolants [56877#true, 56878#false, 56879#(<= ULTIMATE.start_main_~y~4 0), 56880#(<= ULTIMATE.start_main_~y~4 1), 56881#(<= ULTIMATE.start_main_~y~4 2), 56882#(<= ULTIMATE.start_main_~y~4 3), 56883#(<= ULTIMATE.start_main_~y~4 4), 56884#(<= ULTIMATE.start_main_~y~4 5), 56885#(<= ULTIMATE.start_main_~y~4 6), 56886#(<= ULTIMATE.start_main_~y~4 7), 56887#(<= ULTIMATE.start_main_~y~4 8), 56888#(<= ULTIMATE.start_main_~y~4 9), 56889#(<= ULTIMATE.start_main_~y~4 10), 56890#(<= ULTIMATE.start_main_~y~4 11), 56891#(<= ULTIMATE.start_main_~y~4 12), 56892#(<= ULTIMATE.start_main_~y~4 13), 56893#(<= ULTIMATE.start_main_~y~4 14), 56894#(<= ULTIMATE.start_main_~y~4 15), 56895#(<= ULTIMATE.start_main_~y~4 16), 56896#(<= ULTIMATE.start_main_~y~4 17), 56897#(<= ULTIMATE.start_main_~y~4 18), 56898#(<= ULTIMATE.start_main_~y~4 19), 56899#(<= ULTIMATE.start_main_~y~4 20), 56900#(<= ULTIMATE.start_main_~y~4 21), 56901#(<= ULTIMATE.start_main_~y~4 22), 56902#(<= ULTIMATE.start_main_~y~4 23), 56903#(<= ULTIMATE.start_main_~y~4 24), 56904#(<= ULTIMATE.start_main_~y~4 25), 56905#(<= ULTIMATE.start_main_~y~4 26), 56906#(<= ULTIMATE.start_main_~y~4 27), 56907#(<= ULTIMATE.start_main_~y~4 28), 56908#(<= ULTIMATE.start_main_~y~4 29), 56909#(<= ULTIMATE.start_main_~y~4 30), 56910#(<= ULTIMATE.start_main_~y~4 31), 56911#(<= ULTIMATE.start_main_~y~4 32), 56912#(<= ULTIMATE.start_main_~y~4 33), 56913#(<= ULTIMATE.start_main_~y~4 34), 56914#(<= ULTIMATE.start_main_~y~4 35), 56915#(<= ULTIMATE.start_main_~y~4 36), 56916#(<= ULTIMATE.start_main_~y~4 37), 56917#(<= ULTIMATE.start_main_~y~4 38), 56918#(<= ULTIMATE.start_main_~y~4 39), 56919#(<= ULTIMATE.start_main_~y~4 40), 56920#(<= ULTIMATE.start_main_~y~4 41), 56921#(<= ULTIMATE.start_main_~y~4 42), 56922#(<= ULTIMATE.start_main_~y~4 43), 56923#(<= ULTIMATE.start_main_~y~4 44), 56924#(<= ULTIMATE.start_main_~y~4 45), 56925#(<= ULTIMATE.start_main_~y~4 46), 56926#(<= ULTIMATE.start_main_~y~4 47), 56927#(<= ULTIMATE.start_main_~y~4 48), 56928#(<= ULTIMATE.start_main_~y~4 49), 56929#(<= ULTIMATE.start_main_~y~4 50), 56930#(<= ULTIMATE.start_main_~y~4 51), 56931#(<= ULTIMATE.start_main_~y~4 52), 56932#(<= ULTIMATE.start_main_~y~4 53), 56933#(<= ULTIMATE.start_main_~y~4 54), 56934#(<= ULTIMATE.start_main_~y~4 55), 56935#(<= ULTIMATE.start_main_~y~4 56), 56936#(<= ULTIMATE.start_main_~y~4 57), 56937#(<= ULTIMATE.start_main_~y~4 58), 56938#(<= ULTIMATE.start_main_~y~4 59), 56939#(<= ULTIMATE.start_main_~y~4 60), 56940#(<= ULTIMATE.start_main_~y~4 61), 56941#(<= ULTIMATE.start_main_~y~4 62), 56942#(<= ULTIMATE.start_main_~y~4 63), 56943#(<= ULTIMATE.start_main_~y~4 64), 56944#(<= ULTIMATE.start_main_~y~4 65), 56945#(<= ULTIMATE.start_main_~y~4 66), 56946#(<= ULTIMATE.start_main_~y~4 67), 56947#(<= ULTIMATE.start_main_~y~4 68), 56948#(<= ULTIMATE.start_main_~y~4 69), 56949#(<= ULTIMATE.start_main_~y~4 70), 56950#(<= ULTIMATE.start_main_~y~4 71), 56951#(<= ULTIMATE.start_main_~y~4 72), 56952#(<= ULTIMATE.start_main_~y~4 73), 56953#(<= ULTIMATE.start_main_~y~4 74), 56954#(<= ULTIMATE.start_main_~y~4 75), 56955#(<= ULTIMATE.start_main_~y~4 76), 56956#(<= ULTIMATE.start_main_~y~4 77), 56957#(<= ULTIMATE.start_main_~y~4 78), 56958#(<= ULTIMATE.start_main_~y~4 79), 56959#(<= ULTIMATE.start_main_~y~4 80), 56960#(<= ULTIMATE.start_main_~y~4 81), 56961#(<= ULTIMATE.start_main_~y~4 82), 56962#(<= ULTIMATE.start_main_~y~4 83), 56963#(<= ULTIMATE.start_main_~y~4 84), 56964#(<= ULTIMATE.start_main_~y~4 85), 56965#(<= ULTIMATE.start_main_~y~4 86), 56966#(<= ULTIMATE.start_main_~y~4 87), 56967#(<= ULTIMATE.start_main_~y~4 88), 56968#(<= ULTIMATE.start_main_~y~4 89), 56969#(<= ULTIMATE.start_main_~y~4 90), 56970#(<= ULTIMATE.start_main_~y~4 91), 56971#(<= ULTIMATE.start_main_~y~4 92), 56972#(<= ULTIMATE.start_main_~y~4 93), 56973#(<= ULTIMATE.start_main_~y~4 94), 56974#(<= ULTIMATE.start_main_~y~4 95), 56975#(<= ULTIMATE.start_main_~y~4 96), 56976#(<= ULTIMATE.start_main_~y~4 97), 56977#(<= ULTIMATE.start_main_~y~4 98), 56978#(<= ULTIMATE.start_main_~y~4 99), 56979#(<= ULTIMATE.start_main_~y~4 100), 56980#(<= ULTIMATE.start_main_~y~4 101), 56981#(<= ULTIMATE.start_main_~y~4 102), 56982#(<= ULTIMATE.start_main_~y~4 103), 56983#(<= ULTIMATE.start_main_~y~4 104), 56984#(<= ULTIMATE.start_main_~y~4 105), 56985#(<= ULTIMATE.start_main_~y~4 106), 56986#(<= ULTIMATE.start_main_~y~4 107), 56987#(<= ULTIMATE.start_main_~y~4 108), 56988#(<= ULTIMATE.start_main_~y~4 109), 56989#(<= ULTIMATE.start_main_~y~4 110), 56990#(<= ULTIMATE.start_main_~y~4 111), 56991#(<= ULTIMATE.start_main_~y~4 112), 56992#(<= ULTIMATE.start_main_~y~4 113), 56993#(<= ULTIMATE.start_main_~y~4 114), 56994#(<= ULTIMATE.start_main_~y~4 115), 56995#(<= ULTIMATE.start_main_~y~4 116), 56996#(<= ULTIMATE.start_main_~y~4 117), 56997#(<= ULTIMATE.start_main_~y~4 118), 56998#(<= ULTIMATE.start_main_~y~4 119), 56999#(<= ULTIMATE.start_main_~y~4 120), 57000#(<= ULTIMATE.start_main_~y~4 121), 57001#(<= ULTIMATE.start_main_~y~4 122), 57002#(<= ULTIMATE.start_main_~y~4 123), 57003#(<= ULTIMATE.start_main_~y~4 124), 57004#(<= ULTIMATE.start_main_~y~4 125), 57005#(<= ULTIMATE.start_main_~y~4 126), 57006#(<= ULTIMATE.start_main_~y~4 127), 57007#(<= ULTIMATE.start_main_~y~4 128), 57008#(<= ULTIMATE.start_main_~y~4 129), 57009#(<= ULTIMATE.start_main_~y~4 130), 57010#(<= ULTIMATE.start_main_~y~4 131), 57011#(<= ULTIMATE.start_main_~y~4 132), 57012#(<= ULTIMATE.start_main_~y~4 133), 57013#(<= ULTIMATE.start_main_~y~4 134), 57014#(<= ULTIMATE.start_main_~y~4 135), 57015#(<= ULTIMATE.start_main_~y~4 136), 57016#(<= ULTIMATE.start_main_~y~4 137), 57017#(<= ULTIMATE.start_main_~y~4 138), 57018#(<= ULTIMATE.start_main_~y~4 139), 57019#(<= ULTIMATE.start_main_~y~4 140), 57020#(<= ULTIMATE.start_main_~y~4 141), 57021#(<= ULTIMATE.start_main_~y~4 142), 57022#(<= ULTIMATE.start_main_~y~4 143), 57023#(<= ULTIMATE.start_main_~y~4 144), 57024#(<= ULTIMATE.start_main_~y~4 145), 57025#(<= ULTIMATE.start_main_~y~4 146)] [2018-07-23 13:38:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:14,971 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:38:14,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:38:14,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:38:14,974 INFO L87 Difference]: Start difference. First operand 150 states and 150 transitions. Second operand 149 states. [2018-07-23 13:38:15,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:15,325 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:38:15,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:38:15,326 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 149 [2018-07-23 13:38:15,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:15,326 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:38:15,326 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:38:15,327 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:38:15,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:38:15,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:38:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:38:15,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:38:15,331 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 149 [2018-07-23 13:38:15,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:15,331 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:38:15,331 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:38:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:38:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:38:15,332 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:15,332 INFO L357 BasicCegarLoop]: trace histogram [147, 1, 1, 1] [2018-07-23 13:38:15,332 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:15,332 INFO L82 PathProgramCache]: Analyzing trace with hash -28657588, now seen corresponding path program 147 times [2018-07-23 13:38:15,332 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:15,900 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:15,901 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:38:15,901 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:15,901 INFO L185 omatonBuilderFactory]: Interpolants [57634#true, 57635#false, 57636#(<= ULTIMATE.start_main_~y~4 0), 57637#(<= ULTIMATE.start_main_~y~4 1), 57638#(<= ULTIMATE.start_main_~y~4 2), 57639#(<= ULTIMATE.start_main_~y~4 3), 57640#(<= ULTIMATE.start_main_~y~4 4), 57641#(<= ULTIMATE.start_main_~y~4 5), 57642#(<= ULTIMATE.start_main_~y~4 6), 57643#(<= ULTIMATE.start_main_~y~4 7), 57644#(<= ULTIMATE.start_main_~y~4 8), 57645#(<= ULTIMATE.start_main_~y~4 9), 57646#(<= ULTIMATE.start_main_~y~4 10), 57647#(<= ULTIMATE.start_main_~y~4 11), 57648#(<= ULTIMATE.start_main_~y~4 12), 57649#(<= ULTIMATE.start_main_~y~4 13), 57650#(<= ULTIMATE.start_main_~y~4 14), 57651#(<= ULTIMATE.start_main_~y~4 15), 57652#(<= ULTIMATE.start_main_~y~4 16), 57653#(<= ULTIMATE.start_main_~y~4 17), 57654#(<= ULTIMATE.start_main_~y~4 18), 57655#(<= ULTIMATE.start_main_~y~4 19), 57656#(<= ULTIMATE.start_main_~y~4 20), 57657#(<= ULTIMATE.start_main_~y~4 21), 57658#(<= ULTIMATE.start_main_~y~4 22), 57659#(<= ULTIMATE.start_main_~y~4 23), 57660#(<= ULTIMATE.start_main_~y~4 24), 57661#(<= ULTIMATE.start_main_~y~4 25), 57662#(<= ULTIMATE.start_main_~y~4 26), 57663#(<= ULTIMATE.start_main_~y~4 27), 57664#(<= ULTIMATE.start_main_~y~4 28), 57665#(<= ULTIMATE.start_main_~y~4 29), 57666#(<= ULTIMATE.start_main_~y~4 30), 57667#(<= ULTIMATE.start_main_~y~4 31), 57668#(<= ULTIMATE.start_main_~y~4 32), 57669#(<= ULTIMATE.start_main_~y~4 33), 57670#(<= ULTIMATE.start_main_~y~4 34), 57671#(<= ULTIMATE.start_main_~y~4 35), 57672#(<= ULTIMATE.start_main_~y~4 36), 57673#(<= ULTIMATE.start_main_~y~4 37), 57674#(<= ULTIMATE.start_main_~y~4 38), 57675#(<= ULTIMATE.start_main_~y~4 39), 57676#(<= ULTIMATE.start_main_~y~4 40), 57677#(<= ULTIMATE.start_main_~y~4 41), 57678#(<= ULTIMATE.start_main_~y~4 42), 57679#(<= ULTIMATE.start_main_~y~4 43), 57680#(<= ULTIMATE.start_main_~y~4 44), 57681#(<= ULTIMATE.start_main_~y~4 45), 57682#(<= ULTIMATE.start_main_~y~4 46), 57683#(<= ULTIMATE.start_main_~y~4 47), 57684#(<= ULTIMATE.start_main_~y~4 48), 57685#(<= ULTIMATE.start_main_~y~4 49), 57686#(<= ULTIMATE.start_main_~y~4 50), 57687#(<= ULTIMATE.start_main_~y~4 51), 57688#(<= ULTIMATE.start_main_~y~4 52), 57689#(<= ULTIMATE.start_main_~y~4 53), 57690#(<= ULTIMATE.start_main_~y~4 54), 57691#(<= ULTIMATE.start_main_~y~4 55), 57692#(<= ULTIMATE.start_main_~y~4 56), 57693#(<= ULTIMATE.start_main_~y~4 57), 57694#(<= ULTIMATE.start_main_~y~4 58), 57695#(<= ULTIMATE.start_main_~y~4 59), 57696#(<= ULTIMATE.start_main_~y~4 60), 57697#(<= ULTIMATE.start_main_~y~4 61), 57698#(<= ULTIMATE.start_main_~y~4 62), 57699#(<= ULTIMATE.start_main_~y~4 63), 57700#(<= ULTIMATE.start_main_~y~4 64), 57701#(<= ULTIMATE.start_main_~y~4 65), 57702#(<= ULTIMATE.start_main_~y~4 66), 57703#(<= ULTIMATE.start_main_~y~4 67), 57704#(<= ULTIMATE.start_main_~y~4 68), 57705#(<= ULTIMATE.start_main_~y~4 69), 57706#(<= ULTIMATE.start_main_~y~4 70), 57707#(<= ULTIMATE.start_main_~y~4 71), 57708#(<= ULTIMATE.start_main_~y~4 72), 57709#(<= ULTIMATE.start_main_~y~4 73), 57710#(<= ULTIMATE.start_main_~y~4 74), 57711#(<= ULTIMATE.start_main_~y~4 75), 57712#(<= ULTIMATE.start_main_~y~4 76), 57713#(<= ULTIMATE.start_main_~y~4 77), 57714#(<= ULTIMATE.start_main_~y~4 78), 57715#(<= ULTIMATE.start_main_~y~4 79), 57716#(<= ULTIMATE.start_main_~y~4 80), 57717#(<= ULTIMATE.start_main_~y~4 81), 57718#(<= ULTIMATE.start_main_~y~4 82), 57719#(<= ULTIMATE.start_main_~y~4 83), 57720#(<= ULTIMATE.start_main_~y~4 84), 57721#(<= ULTIMATE.start_main_~y~4 85), 57722#(<= ULTIMATE.start_main_~y~4 86), 57723#(<= ULTIMATE.start_main_~y~4 87), 57724#(<= ULTIMATE.start_main_~y~4 88), 57725#(<= ULTIMATE.start_main_~y~4 89), 57726#(<= ULTIMATE.start_main_~y~4 90), 57727#(<= ULTIMATE.start_main_~y~4 91), 57728#(<= ULTIMATE.start_main_~y~4 92), 57729#(<= ULTIMATE.start_main_~y~4 93), 57730#(<= ULTIMATE.start_main_~y~4 94), 57731#(<= ULTIMATE.start_main_~y~4 95), 57732#(<= ULTIMATE.start_main_~y~4 96), 57733#(<= ULTIMATE.start_main_~y~4 97), 57734#(<= ULTIMATE.start_main_~y~4 98), 57735#(<= ULTIMATE.start_main_~y~4 99), 57736#(<= ULTIMATE.start_main_~y~4 100), 57737#(<= ULTIMATE.start_main_~y~4 101), 57738#(<= ULTIMATE.start_main_~y~4 102), 57739#(<= ULTIMATE.start_main_~y~4 103), 57740#(<= ULTIMATE.start_main_~y~4 104), 57741#(<= ULTIMATE.start_main_~y~4 105), 57742#(<= ULTIMATE.start_main_~y~4 106), 57743#(<= ULTIMATE.start_main_~y~4 107), 57744#(<= ULTIMATE.start_main_~y~4 108), 57745#(<= ULTIMATE.start_main_~y~4 109), 57746#(<= ULTIMATE.start_main_~y~4 110), 57747#(<= ULTIMATE.start_main_~y~4 111), 57748#(<= ULTIMATE.start_main_~y~4 112), 57749#(<= ULTIMATE.start_main_~y~4 113), 57750#(<= ULTIMATE.start_main_~y~4 114), 57751#(<= ULTIMATE.start_main_~y~4 115), 57752#(<= ULTIMATE.start_main_~y~4 116), 57753#(<= ULTIMATE.start_main_~y~4 117), 57754#(<= ULTIMATE.start_main_~y~4 118), 57755#(<= ULTIMATE.start_main_~y~4 119), 57756#(<= ULTIMATE.start_main_~y~4 120), 57757#(<= ULTIMATE.start_main_~y~4 121), 57758#(<= ULTIMATE.start_main_~y~4 122), 57759#(<= ULTIMATE.start_main_~y~4 123), 57760#(<= ULTIMATE.start_main_~y~4 124), 57761#(<= ULTIMATE.start_main_~y~4 125), 57762#(<= ULTIMATE.start_main_~y~4 126), 57763#(<= ULTIMATE.start_main_~y~4 127), 57764#(<= ULTIMATE.start_main_~y~4 128), 57765#(<= ULTIMATE.start_main_~y~4 129), 57766#(<= ULTIMATE.start_main_~y~4 130), 57767#(<= ULTIMATE.start_main_~y~4 131), 57768#(<= ULTIMATE.start_main_~y~4 132), 57769#(<= ULTIMATE.start_main_~y~4 133), 57770#(<= ULTIMATE.start_main_~y~4 134), 57771#(<= ULTIMATE.start_main_~y~4 135), 57772#(<= ULTIMATE.start_main_~y~4 136), 57773#(<= ULTIMATE.start_main_~y~4 137), 57774#(<= ULTIMATE.start_main_~y~4 138), 57775#(<= ULTIMATE.start_main_~y~4 139), 57776#(<= ULTIMATE.start_main_~y~4 140), 57777#(<= ULTIMATE.start_main_~y~4 141), 57778#(<= ULTIMATE.start_main_~y~4 142), 57779#(<= ULTIMATE.start_main_~y~4 143), 57780#(<= ULTIMATE.start_main_~y~4 144), 57781#(<= ULTIMATE.start_main_~y~4 145), 57782#(<= ULTIMATE.start_main_~y~4 146), 57783#(<= ULTIMATE.start_main_~y~4 147)] [2018-07-23 13:38:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:15,902 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:38:15,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:38:15,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:38:15,904 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 150 states. [2018-07-23 13:38:16,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:16,228 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-07-23 13:38:16,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:38:16,228 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 150 [2018-07-23 13:38:16,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:16,229 INFO L225 Difference]: With dead ends: 154 [2018-07-23 13:38:16,229 INFO L226 Difference]: Without dead ends: 152 [2018-07-23 13:38:16,230 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:38:16,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-07-23 13:38:16,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-07-23 13:38:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-07-23 13:38:16,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 152 transitions. [2018-07-23 13:38:16,232 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 152 transitions. Word has length 150 [2018-07-23 13:38:16,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:16,232 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 152 transitions. [2018-07-23 13:38:16,232 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:38:16,232 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 152 transitions. [2018-07-23 13:38:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-07-23 13:38:16,233 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:16,233 INFO L357 BasicCegarLoop]: trace histogram [148, 1, 1, 1] [2018-07-23 13:38:16,233 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:16,233 INFO L82 PathProgramCache]: Analyzing trace with hash -888383421, now seen corresponding path program 148 times [2018-07-23 13:38:16,234 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:16,742 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:16,743 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:38:16,743 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:16,743 INFO L185 omatonBuilderFactory]: Interpolants [58396#true, 58397#false, 58398#(<= ULTIMATE.start_main_~y~4 0), 58399#(<= ULTIMATE.start_main_~y~4 1), 58400#(<= ULTIMATE.start_main_~y~4 2), 58401#(<= ULTIMATE.start_main_~y~4 3), 58402#(<= ULTIMATE.start_main_~y~4 4), 58403#(<= ULTIMATE.start_main_~y~4 5), 58404#(<= ULTIMATE.start_main_~y~4 6), 58405#(<= ULTIMATE.start_main_~y~4 7), 58406#(<= ULTIMATE.start_main_~y~4 8), 58407#(<= ULTIMATE.start_main_~y~4 9), 58408#(<= ULTIMATE.start_main_~y~4 10), 58409#(<= ULTIMATE.start_main_~y~4 11), 58410#(<= ULTIMATE.start_main_~y~4 12), 58411#(<= ULTIMATE.start_main_~y~4 13), 58412#(<= ULTIMATE.start_main_~y~4 14), 58413#(<= ULTIMATE.start_main_~y~4 15), 58414#(<= ULTIMATE.start_main_~y~4 16), 58415#(<= ULTIMATE.start_main_~y~4 17), 58416#(<= ULTIMATE.start_main_~y~4 18), 58417#(<= ULTIMATE.start_main_~y~4 19), 58418#(<= ULTIMATE.start_main_~y~4 20), 58419#(<= ULTIMATE.start_main_~y~4 21), 58420#(<= ULTIMATE.start_main_~y~4 22), 58421#(<= ULTIMATE.start_main_~y~4 23), 58422#(<= ULTIMATE.start_main_~y~4 24), 58423#(<= ULTIMATE.start_main_~y~4 25), 58424#(<= ULTIMATE.start_main_~y~4 26), 58425#(<= ULTIMATE.start_main_~y~4 27), 58426#(<= ULTIMATE.start_main_~y~4 28), 58427#(<= ULTIMATE.start_main_~y~4 29), 58428#(<= ULTIMATE.start_main_~y~4 30), 58429#(<= ULTIMATE.start_main_~y~4 31), 58430#(<= ULTIMATE.start_main_~y~4 32), 58431#(<= ULTIMATE.start_main_~y~4 33), 58432#(<= ULTIMATE.start_main_~y~4 34), 58433#(<= ULTIMATE.start_main_~y~4 35), 58434#(<= ULTIMATE.start_main_~y~4 36), 58435#(<= ULTIMATE.start_main_~y~4 37), 58436#(<= ULTIMATE.start_main_~y~4 38), 58437#(<= ULTIMATE.start_main_~y~4 39), 58438#(<= ULTIMATE.start_main_~y~4 40), 58439#(<= ULTIMATE.start_main_~y~4 41), 58440#(<= ULTIMATE.start_main_~y~4 42), 58441#(<= ULTIMATE.start_main_~y~4 43), 58442#(<= ULTIMATE.start_main_~y~4 44), 58443#(<= ULTIMATE.start_main_~y~4 45), 58444#(<= ULTIMATE.start_main_~y~4 46), 58445#(<= ULTIMATE.start_main_~y~4 47), 58446#(<= ULTIMATE.start_main_~y~4 48), 58447#(<= ULTIMATE.start_main_~y~4 49), 58448#(<= ULTIMATE.start_main_~y~4 50), 58449#(<= ULTIMATE.start_main_~y~4 51), 58450#(<= ULTIMATE.start_main_~y~4 52), 58451#(<= ULTIMATE.start_main_~y~4 53), 58452#(<= ULTIMATE.start_main_~y~4 54), 58453#(<= ULTIMATE.start_main_~y~4 55), 58454#(<= ULTIMATE.start_main_~y~4 56), 58455#(<= ULTIMATE.start_main_~y~4 57), 58456#(<= ULTIMATE.start_main_~y~4 58), 58457#(<= ULTIMATE.start_main_~y~4 59), 58458#(<= ULTIMATE.start_main_~y~4 60), 58459#(<= ULTIMATE.start_main_~y~4 61), 58460#(<= ULTIMATE.start_main_~y~4 62), 58461#(<= ULTIMATE.start_main_~y~4 63), 58462#(<= ULTIMATE.start_main_~y~4 64), 58463#(<= ULTIMATE.start_main_~y~4 65), 58464#(<= ULTIMATE.start_main_~y~4 66), 58465#(<= ULTIMATE.start_main_~y~4 67), 58466#(<= ULTIMATE.start_main_~y~4 68), 58467#(<= ULTIMATE.start_main_~y~4 69), 58468#(<= ULTIMATE.start_main_~y~4 70), 58469#(<= ULTIMATE.start_main_~y~4 71), 58470#(<= ULTIMATE.start_main_~y~4 72), 58471#(<= ULTIMATE.start_main_~y~4 73), 58472#(<= ULTIMATE.start_main_~y~4 74), 58473#(<= ULTIMATE.start_main_~y~4 75), 58474#(<= ULTIMATE.start_main_~y~4 76), 58475#(<= ULTIMATE.start_main_~y~4 77), 58476#(<= ULTIMATE.start_main_~y~4 78), 58477#(<= ULTIMATE.start_main_~y~4 79), 58478#(<= ULTIMATE.start_main_~y~4 80), 58479#(<= ULTIMATE.start_main_~y~4 81), 58480#(<= ULTIMATE.start_main_~y~4 82), 58481#(<= ULTIMATE.start_main_~y~4 83), 58482#(<= ULTIMATE.start_main_~y~4 84), 58483#(<= ULTIMATE.start_main_~y~4 85), 58484#(<= ULTIMATE.start_main_~y~4 86), 58485#(<= ULTIMATE.start_main_~y~4 87), 58486#(<= ULTIMATE.start_main_~y~4 88), 58487#(<= ULTIMATE.start_main_~y~4 89), 58488#(<= ULTIMATE.start_main_~y~4 90), 58489#(<= ULTIMATE.start_main_~y~4 91), 58490#(<= ULTIMATE.start_main_~y~4 92), 58491#(<= ULTIMATE.start_main_~y~4 93), 58492#(<= ULTIMATE.start_main_~y~4 94), 58493#(<= ULTIMATE.start_main_~y~4 95), 58494#(<= ULTIMATE.start_main_~y~4 96), 58495#(<= ULTIMATE.start_main_~y~4 97), 58496#(<= ULTIMATE.start_main_~y~4 98), 58497#(<= ULTIMATE.start_main_~y~4 99), 58498#(<= ULTIMATE.start_main_~y~4 100), 58499#(<= ULTIMATE.start_main_~y~4 101), 58500#(<= ULTIMATE.start_main_~y~4 102), 58501#(<= ULTIMATE.start_main_~y~4 103), 58502#(<= ULTIMATE.start_main_~y~4 104), 58503#(<= ULTIMATE.start_main_~y~4 105), 58504#(<= ULTIMATE.start_main_~y~4 106), 58505#(<= ULTIMATE.start_main_~y~4 107), 58506#(<= ULTIMATE.start_main_~y~4 108), 58507#(<= ULTIMATE.start_main_~y~4 109), 58508#(<= ULTIMATE.start_main_~y~4 110), 58509#(<= ULTIMATE.start_main_~y~4 111), 58510#(<= ULTIMATE.start_main_~y~4 112), 58511#(<= ULTIMATE.start_main_~y~4 113), 58512#(<= ULTIMATE.start_main_~y~4 114), 58513#(<= ULTIMATE.start_main_~y~4 115), 58514#(<= ULTIMATE.start_main_~y~4 116), 58515#(<= ULTIMATE.start_main_~y~4 117), 58516#(<= ULTIMATE.start_main_~y~4 118), 58517#(<= ULTIMATE.start_main_~y~4 119), 58518#(<= ULTIMATE.start_main_~y~4 120), 58519#(<= ULTIMATE.start_main_~y~4 121), 58520#(<= ULTIMATE.start_main_~y~4 122), 58521#(<= ULTIMATE.start_main_~y~4 123), 58522#(<= ULTIMATE.start_main_~y~4 124), 58523#(<= ULTIMATE.start_main_~y~4 125), 58524#(<= ULTIMATE.start_main_~y~4 126), 58525#(<= ULTIMATE.start_main_~y~4 127), 58526#(<= ULTIMATE.start_main_~y~4 128), 58527#(<= ULTIMATE.start_main_~y~4 129), 58528#(<= ULTIMATE.start_main_~y~4 130), 58529#(<= ULTIMATE.start_main_~y~4 131), 58530#(<= ULTIMATE.start_main_~y~4 132), 58531#(<= ULTIMATE.start_main_~y~4 133), 58532#(<= ULTIMATE.start_main_~y~4 134), 58533#(<= ULTIMATE.start_main_~y~4 135), 58534#(<= ULTIMATE.start_main_~y~4 136), 58535#(<= ULTIMATE.start_main_~y~4 137), 58536#(<= ULTIMATE.start_main_~y~4 138), 58537#(<= ULTIMATE.start_main_~y~4 139), 58538#(<= ULTIMATE.start_main_~y~4 140), 58539#(<= ULTIMATE.start_main_~y~4 141), 58540#(<= ULTIMATE.start_main_~y~4 142), 58541#(<= ULTIMATE.start_main_~y~4 143), 58542#(<= ULTIMATE.start_main_~y~4 144), 58543#(<= ULTIMATE.start_main_~y~4 145), 58544#(<= ULTIMATE.start_main_~y~4 146), 58545#(<= ULTIMATE.start_main_~y~4 147), 58546#(<= ULTIMATE.start_main_~y~4 148)] [2018-07-23 13:38:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:16,744 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:38:16,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:38:16,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:38:16,746 INFO L87 Difference]: Start difference. First operand 152 states and 152 transitions. Second operand 151 states. [2018-07-23 13:38:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:17,108 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:38:17,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:38:17,108 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 151 [2018-07-23 13:38:17,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:17,108 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:38:17,108 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:38:17,109 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:38:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:38:17,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:38:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:38:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:38:17,111 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 151 [2018-07-23 13:38:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:17,111 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:38:17,111 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:38:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:38:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:38:17,112 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:17,112 INFO L357 BasicCegarLoop]: trace histogram [149, 1, 1, 1] [2018-07-23 13:38:17,112 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:17,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1770080468, now seen corresponding path program 149 times [2018-07-23 13:38:17,112 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:17,644 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:17,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:38:17,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:17,644 INFO L185 omatonBuilderFactory]: Interpolants [59163#true, 59164#false, 59165#(<= ULTIMATE.start_main_~y~4 0), 59166#(<= ULTIMATE.start_main_~y~4 1), 59167#(<= ULTIMATE.start_main_~y~4 2), 59168#(<= ULTIMATE.start_main_~y~4 3), 59169#(<= ULTIMATE.start_main_~y~4 4), 59170#(<= ULTIMATE.start_main_~y~4 5), 59171#(<= ULTIMATE.start_main_~y~4 6), 59172#(<= ULTIMATE.start_main_~y~4 7), 59173#(<= ULTIMATE.start_main_~y~4 8), 59174#(<= ULTIMATE.start_main_~y~4 9), 59175#(<= ULTIMATE.start_main_~y~4 10), 59176#(<= ULTIMATE.start_main_~y~4 11), 59177#(<= ULTIMATE.start_main_~y~4 12), 59178#(<= ULTIMATE.start_main_~y~4 13), 59179#(<= ULTIMATE.start_main_~y~4 14), 59180#(<= ULTIMATE.start_main_~y~4 15), 59181#(<= ULTIMATE.start_main_~y~4 16), 59182#(<= ULTIMATE.start_main_~y~4 17), 59183#(<= ULTIMATE.start_main_~y~4 18), 59184#(<= ULTIMATE.start_main_~y~4 19), 59185#(<= ULTIMATE.start_main_~y~4 20), 59186#(<= ULTIMATE.start_main_~y~4 21), 59187#(<= ULTIMATE.start_main_~y~4 22), 59188#(<= ULTIMATE.start_main_~y~4 23), 59189#(<= ULTIMATE.start_main_~y~4 24), 59190#(<= ULTIMATE.start_main_~y~4 25), 59191#(<= ULTIMATE.start_main_~y~4 26), 59192#(<= ULTIMATE.start_main_~y~4 27), 59193#(<= ULTIMATE.start_main_~y~4 28), 59194#(<= ULTIMATE.start_main_~y~4 29), 59195#(<= ULTIMATE.start_main_~y~4 30), 59196#(<= ULTIMATE.start_main_~y~4 31), 59197#(<= ULTIMATE.start_main_~y~4 32), 59198#(<= ULTIMATE.start_main_~y~4 33), 59199#(<= ULTIMATE.start_main_~y~4 34), 59200#(<= ULTIMATE.start_main_~y~4 35), 59201#(<= ULTIMATE.start_main_~y~4 36), 59202#(<= ULTIMATE.start_main_~y~4 37), 59203#(<= ULTIMATE.start_main_~y~4 38), 59204#(<= ULTIMATE.start_main_~y~4 39), 59205#(<= ULTIMATE.start_main_~y~4 40), 59206#(<= ULTIMATE.start_main_~y~4 41), 59207#(<= ULTIMATE.start_main_~y~4 42), 59208#(<= ULTIMATE.start_main_~y~4 43), 59209#(<= ULTIMATE.start_main_~y~4 44), 59210#(<= ULTIMATE.start_main_~y~4 45), 59211#(<= ULTIMATE.start_main_~y~4 46), 59212#(<= ULTIMATE.start_main_~y~4 47), 59213#(<= ULTIMATE.start_main_~y~4 48), 59214#(<= ULTIMATE.start_main_~y~4 49), 59215#(<= ULTIMATE.start_main_~y~4 50), 59216#(<= ULTIMATE.start_main_~y~4 51), 59217#(<= ULTIMATE.start_main_~y~4 52), 59218#(<= ULTIMATE.start_main_~y~4 53), 59219#(<= ULTIMATE.start_main_~y~4 54), 59220#(<= ULTIMATE.start_main_~y~4 55), 59221#(<= ULTIMATE.start_main_~y~4 56), 59222#(<= ULTIMATE.start_main_~y~4 57), 59223#(<= ULTIMATE.start_main_~y~4 58), 59224#(<= ULTIMATE.start_main_~y~4 59), 59225#(<= ULTIMATE.start_main_~y~4 60), 59226#(<= ULTIMATE.start_main_~y~4 61), 59227#(<= ULTIMATE.start_main_~y~4 62), 59228#(<= ULTIMATE.start_main_~y~4 63), 59229#(<= ULTIMATE.start_main_~y~4 64), 59230#(<= ULTIMATE.start_main_~y~4 65), 59231#(<= ULTIMATE.start_main_~y~4 66), 59232#(<= ULTIMATE.start_main_~y~4 67), 59233#(<= ULTIMATE.start_main_~y~4 68), 59234#(<= ULTIMATE.start_main_~y~4 69), 59235#(<= ULTIMATE.start_main_~y~4 70), 59236#(<= ULTIMATE.start_main_~y~4 71), 59237#(<= ULTIMATE.start_main_~y~4 72), 59238#(<= ULTIMATE.start_main_~y~4 73), 59239#(<= ULTIMATE.start_main_~y~4 74), 59240#(<= ULTIMATE.start_main_~y~4 75), 59241#(<= ULTIMATE.start_main_~y~4 76), 59242#(<= ULTIMATE.start_main_~y~4 77), 59243#(<= ULTIMATE.start_main_~y~4 78), 59244#(<= ULTIMATE.start_main_~y~4 79), 59245#(<= ULTIMATE.start_main_~y~4 80), 59246#(<= ULTIMATE.start_main_~y~4 81), 59247#(<= ULTIMATE.start_main_~y~4 82), 59248#(<= ULTIMATE.start_main_~y~4 83), 59249#(<= ULTIMATE.start_main_~y~4 84), 59250#(<= ULTIMATE.start_main_~y~4 85), 59251#(<= ULTIMATE.start_main_~y~4 86), 59252#(<= ULTIMATE.start_main_~y~4 87), 59253#(<= ULTIMATE.start_main_~y~4 88), 59254#(<= ULTIMATE.start_main_~y~4 89), 59255#(<= ULTIMATE.start_main_~y~4 90), 59256#(<= ULTIMATE.start_main_~y~4 91), 59257#(<= ULTIMATE.start_main_~y~4 92), 59258#(<= ULTIMATE.start_main_~y~4 93), 59259#(<= ULTIMATE.start_main_~y~4 94), 59260#(<= ULTIMATE.start_main_~y~4 95), 59261#(<= ULTIMATE.start_main_~y~4 96), 59262#(<= ULTIMATE.start_main_~y~4 97), 59263#(<= ULTIMATE.start_main_~y~4 98), 59264#(<= ULTIMATE.start_main_~y~4 99), 59265#(<= ULTIMATE.start_main_~y~4 100), 59266#(<= ULTIMATE.start_main_~y~4 101), 59267#(<= ULTIMATE.start_main_~y~4 102), 59268#(<= ULTIMATE.start_main_~y~4 103), 59269#(<= ULTIMATE.start_main_~y~4 104), 59270#(<= ULTIMATE.start_main_~y~4 105), 59271#(<= ULTIMATE.start_main_~y~4 106), 59272#(<= ULTIMATE.start_main_~y~4 107), 59273#(<= ULTIMATE.start_main_~y~4 108), 59274#(<= ULTIMATE.start_main_~y~4 109), 59275#(<= ULTIMATE.start_main_~y~4 110), 59276#(<= ULTIMATE.start_main_~y~4 111), 59277#(<= ULTIMATE.start_main_~y~4 112), 59278#(<= ULTIMATE.start_main_~y~4 113), 59279#(<= ULTIMATE.start_main_~y~4 114), 59280#(<= ULTIMATE.start_main_~y~4 115), 59281#(<= ULTIMATE.start_main_~y~4 116), 59282#(<= ULTIMATE.start_main_~y~4 117), 59283#(<= ULTIMATE.start_main_~y~4 118), 59284#(<= ULTIMATE.start_main_~y~4 119), 59285#(<= ULTIMATE.start_main_~y~4 120), 59286#(<= ULTIMATE.start_main_~y~4 121), 59287#(<= ULTIMATE.start_main_~y~4 122), 59288#(<= ULTIMATE.start_main_~y~4 123), 59289#(<= ULTIMATE.start_main_~y~4 124), 59290#(<= ULTIMATE.start_main_~y~4 125), 59291#(<= ULTIMATE.start_main_~y~4 126), 59292#(<= ULTIMATE.start_main_~y~4 127), 59293#(<= ULTIMATE.start_main_~y~4 128), 59294#(<= ULTIMATE.start_main_~y~4 129), 59295#(<= ULTIMATE.start_main_~y~4 130), 59296#(<= ULTIMATE.start_main_~y~4 131), 59297#(<= ULTIMATE.start_main_~y~4 132), 59298#(<= ULTIMATE.start_main_~y~4 133), 59299#(<= ULTIMATE.start_main_~y~4 134), 59300#(<= ULTIMATE.start_main_~y~4 135), 59301#(<= ULTIMATE.start_main_~y~4 136), 59302#(<= ULTIMATE.start_main_~y~4 137), 59303#(<= ULTIMATE.start_main_~y~4 138), 59304#(<= ULTIMATE.start_main_~y~4 139), 59305#(<= ULTIMATE.start_main_~y~4 140), 59306#(<= ULTIMATE.start_main_~y~4 141), 59307#(<= ULTIMATE.start_main_~y~4 142), 59308#(<= ULTIMATE.start_main_~y~4 143), 59309#(<= ULTIMATE.start_main_~y~4 144), 59310#(<= ULTIMATE.start_main_~y~4 145), 59311#(<= ULTIMATE.start_main_~y~4 146), 59312#(<= ULTIMATE.start_main_~y~4 147), 59313#(<= ULTIMATE.start_main_~y~4 148), 59314#(<= ULTIMATE.start_main_~y~4 149)] [2018-07-23 13:38:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:17,645 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:38:17,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:38:17,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:38:17,647 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 152 states. [2018-07-23 13:38:18,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:18,098 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2018-07-23 13:38:18,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:38:18,099 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 152 [2018-07-23 13:38:18,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:18,099 INFO L225 Difference]: With dead ends: 156 [2018-07-23 13:38:18,099 INFO L226 Difference]: Without dead ends: 154 [2018-07-23 13:38:18,100 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:38:18,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-07-23 13:38:18,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-07-23 13:38:18,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-07-23 13:38:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 154 transitions. [2018-07-23 13:38:18,104 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 154 transitions. Word has length 152 [2018-07-23 13:38:18,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:18,104 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 154 transitions. [2018-07-23 13:38:18,104 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:38:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 154 transitions. [2018-07-23 13:38:18,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-07-23 13:38:18,105 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:18,105 INFO L357 BasicCegarLoop]: trace histogram [150, 1, 1, 1] [2018-07-23 13:38:18,105 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:18,105 INFO L82 PathProgramCache]: Analyzing trace with hash 962082147, now seen corresponding path program 150 times [2018-07-23 13:38:18,105 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:18,735 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:18,735 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:38:18,735 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:18,736 INFO L185 omatonBuilderFactory]: Interpolants [59935#true, 59936#false, 59937#(<= ULTIMATE.start_main_~y~4 0), 59938#(<= ULTIMATE.start_main_~y~4 1), 59939#(<= ULTIMATE.start_main_~y~4 2), 59940#(<= ULTIMATE.start_main_~y~4 3), 59941#(<= ULTIMATE.start_main_~y~4 4), 59942#(<= ULTIMATE.start_main_~y~4 5), 59943#(<= ULTIMATE.start_main_~y~4 6), 59944#(<= ULTIMATE.start_main_~y~4 7), 59945#(<= ULTIMATE.start_main_~y~4 8), 59946#(<= ULTIMATE.start_main_~y~4 9), 59947#(<= ULTIMATE.start_main_~y~4 10), 59948#(<= ULTIMATE.start_main_~y~4 11), 59949#(<= ULTIMATE.start_main_~y~4 12), 59950#(<= ULTIMATE.start_main_~y~4 13), 59951#(<= ULTIMATE.start_main_~y~4 14), 59952#(<= ULTIMATE.start_main_~y~4 15), 59953#(<= ULTIMATE.start_main_~y~4 16), 59954#(<= ULTIMATE.start_main_~y~4 17), 59955#(<= ULTIMATE.start_main_~y~4 18), 59956#(<= ULTIMATE.start_main_~y~4 19), 59957#(<= ULTIMATE.start_main_~y~4 20), 59958#(<= ULTIMATE.start_main_~y~4 21), 59959#(<= ULTIMATE.start_main_~y~4 22), 59960#(<= ULTIMATE.start_main_~y~4 23), 59961#(<= ULTIMATE.start_main_~y~4 24), 59962#(<= ULTIMATE.start_main_~y~4 25), 59963#(<= ULTIMATE.start_main_~y~4 26), 59964#(<= ULTIMATE.start_main_~y~4 27), 59965#(<= ULTIMATE.start_main_~y~4 28), 59966#(<= ULTIMATE.start_main_~y~4 29), 59967#(<= ULTIMATE.start_main_~y~4 30), 59968#(<= ULTIMATE.start_main_~y~4 31), 59969#(<= ULTIMATE.start_main_~y~4 32), 59970#(<= ULTIMATE.start_main_~y~4 33), 59971#(<= ULTIMATE.start_main_~y~4 34), 59972#(<= ULTIMATE.start_main_~y~4 35), 59973#(<= ULTIMATE.start_main_~y~4 36), 59974#(<= ULTIMATE.start_main_~y~4 37), 59975#(<= ULTIMATE.start_main_~y~4 38), 59976#(<= ULTIMATE.start_main_~y~4 39), 59977#(<= ULTIMATE.start_main_~y~4 40), 59978#(<= ULTIMATE.start_main_~y~4 41), 59979#(<= ULTIMATE.start_main_~y~4 42), 59980#(<= ULTIMATE.start_main_~y~4 43), 59981#(<= ULTIMATE.start_main_~y~4 44), 59982#(<= ULTIMATE.start_main_~y~4 45), 59983#(<= ULTIMATE.start_main_~y~4 46), 59984#(<= ULTIMATE.start_main_~y~4 47), 59985#(<= ULTIMATE.start_main_~y~4 48), 59986#(<= ULTIMATE.start_main_~y~4 49), 59987#(<= ULTIMATE.start_main_~y~4 50), 59988#(<= ULTIMATE.start_main_~y~4 51), 59989#(<= ULTIMATE.start_main_~y~4 52), 59990#(<= ULTIMATE.start_main_~y~4 53), 59991#(<= ULTIMATE.start_main_~y~4 54), 59992#(<= ULTIMATE.start_main_~y~4 55), 59993#(<= ULTIMATE.start_main_~y~4 56), 59994#(<= ULTIMATE.start_main_~y~4 57), 59995#(<= ULTIMATE.start_main_~y~4 58), 59996#(<= ULTIMATE.start_main_~y~4 59), 59997#(<= ULTIMATE.start_main_~y~4 60), 59998#(<= ULTIMATE.start_main_~y~4 61), 59999#(<= ULTIMATE.start_main_~y~4 62), 60000#(<= ULTIMATE.start_main_~y~4 63), 60001#(<= ULTIMATE.start_main_~y~4 64), 60002#(<= ULTIMATE.start_main_~y~4 65), 60003#(<= ULTIMATE.start_main_~y~4 66), 60004#(<= ULTIMATE.start_main_~y~4 67), 60005#(<= ULTIMATE.start_main_~y~4 68), 60006#(<= ULTIMATE.start_main_~y~4 69), 60007#(<= ULTIMATE.start_main_~y~4 70), 60008#(<= ULTIMATE.start_main_~y~4 71), 60009#(<= ULTIMATE.start_main_~y~4 72), 60010#(<= ULTIMATE.start_main_~y~4 73), 60011#(<= ULTIMATE.start_main_~y~4 74), 60012#(<= ULTIMATE.start_main_~y~4 75), 60013#(<= ULTIMATE.start_main_~y~4 76), 60014#(<= ULTIMATE.start_main_~y~4 77), 60015#(<= ULTIMATE.start_main_~y~4 78), 60016#(<= ULTIMATE.start_main_~y~4 79), 60017#(<= ULTIMATE.start_main_~y~4 80), 60018#(<= ULTIMATE.start_main_~y~4 81), 60019#(<= ULTIMATE.start_main_~y~4 82), 60020#(<= ULTIMATE.start_main_~y~4 83), 60021#(<= ULTIMATE.start_main_~y~4 84), 60022#(<= ULTIMATE.start_main_~y~4 85), 60023#(<= ULTIMATE.start_main_~y~4 86), 60024#(<= ULTIMATE.start_main_~y~4 87), 60025#(<= ULTIMATE.start_main_~y~4 88), 60026#(<= ULTIMATE.start_main_~y~4 89), 60027#(<= ULTIMATE.start_main_~y~4 90), 60028#(<= ULTIMATE.start_main_~y~4 91), 60029#(<= ULTIMATE.start_main_~y~4 92), 60030#(<= ULTIMATE.start_main_~y~4 93), 60031#(<= ULTIMATE.start_main_~y~4 94), 60032#(<= ULTIMATE.start_main_~y~4 95), 60033#(<= ULTIMATE.start_main_~y~4 96), 60034#(<= ULTIMATE.start_main_~y~4 97), 60035#(<= ULTIMATE.start_main_~y~4 98), 60036#(<= ULTIMATE.start_main_~y~4 99), 60037#(<= ULTIMATE.start_main_~y~4 100), 60038#(<= ULTIMATE.start_main_~y~4 101), 60039#(<= ULTIMATE.start_main_~y~4 102), 60040#(<= ULTIMATE.start_main_~y~4 103), 60041#(<= ULTIMATE.start_main_~y~4 104), 60042#(<= ULTIMATE.start_main_~y~4 105), 60043#(<= ULTIMATE.start_main_~y~4 106), 60044#(<= ULTIMATE.start_main_~y~4 107), 60045#(<= ULTIMATE.start_main_~y~4 108), 60046#(<= ULTIMATE.start_main_~y~4 109), 60047#(<= ULTIMATE.start_main_~y~4 110), 60048#(<= ULTIMATE.start_main_~y~4 111), 60049#(<= ULTIMATE.start_main_~y~4 112), 60050#(<= ULTIMATE.start_main_~y~4 113), 60051#(<= ULTIMATE.start_main_~y~4 114), 60052#(<= ULTIMATE.start_main_~y~4 115), 60053#(<= ULTIMATE.start_main_~y~4 116), 60054#(<= ULTIMATE.start_main_~y~4 117), 60055#(<= ULTIMATE.start_main_~y~4 118), 60056#(<= ULTIMATE.start_main_~y~4 119), 60057#(<= ULTIMATE.start_main_~y~4 120), 60058#(<= ULTIMATE.start_main_~y~4 121), 60059#(<= ULTIMATE.start_main_~y~4 122), 60060#(<= ULTIMATE.start_main_~y~4 123), 60061#(<= ULTIMATE.start_main_~y~4 124), 60062#(<= ULTIMATE.start_main_~y~4 125), 60063#(<= ULTIMATE.start_main_~y~4 126), 60064#(<= ULTIMATE.start_main_~y~4 127), 60065#(<= ULTIMATE.start_main_~y~4 128), 60066#(<= ULTIMATE.start_main_~y~4 129), 60067#(<= ULTIMATE.start_main_~y~4 130), 60068#(<= ULTIMATE.start_main_~y~4 131), 60069#(<= ULTIMATE.start_main_~y~4 132), 60070#(<= ULTIMATE.start_main_~y~4 133), 60071#(<= ULTIMATE.start_main_~y~4 134), 60072#(<= ULTIMATE.start_main_~y~4 135), 60073#(<= ULTIMATE.start_main_~y~4 136), 60074#(<= ULTIMATE.start_main_~y~4 137), 60075#(<= ULTIMATE.start_main_~y~4 138), 60076#(<= ULTIMATE.start_main_~y~4 139), 60077#(<= ULTIMATE.start_main_~y~4 140), 60078#(<= ULTIMATE.start_main_~y~4 141), 60079#(<= ULTIMATE.start_main_~y~4 142), 60080#(<= ULTIMATE.start_main_~y~4 143), 60081#(<= ULTIMATE.start_main_~y~4 144), 60082#(<= ULTIMATE.start_main_~y~4 145), 60083#(<= ULTIMATE.start_main_~y~4 146), 60084#(<= ULTIMATE.start_main_~y~4 147), 60085#(<= ULTIMATE.start_main_~y~4 148), 60086#(<= ULTIMATE.start_main_~y~4 149), 60087#(<= ULTIMATE.start_main_~y~4 150)] [2018-07-23 13:38:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:18,737 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:38:18,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:38:18,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:38:18,739 INFO L87 Difference]: Start difference. First operand 154 states and 154 transitions. Second operand 153 states. [2018-07-23 13:38:19,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:19,178 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:38:19,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:38:19,178 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 153 [2018-07-23 13:38:19,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:19,179 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:38:19,179 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:38:19,180 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:38:19,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:38:19,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:38:19,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:38:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:38:19,183 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 153 [2018-07-23 13:38:19,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:19,183 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:38:19,183 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:38:19,183 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:38:19,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:38:19,184 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:19,184 INFO L357 BasicCegarLoop]: trace histogram [151, 1, 1, 1] [2018-07-23 13:38:19,184 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:19,184 INFO L82 PathProgramCache]: Analyzing trace with hash -240222708, now seen corresponding path program 151 times [2018-07-23 13:38:19,185 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:19,716 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:19,716 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:38:19,716 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:19,716 INFO L185 omatonBuilderFactory]: Interpolants [60712#true, 60713#false, 60714#(<= ULTIMATE.start_main_~y~4 0), 60715#(<= ULTIMATE.start_main_~y~4 1), 60716#(<= ULTIMATE.start_main_~y~4 2), 60717#(<= ULTIMATE.start_main_~y~4 3), 60718#(<= ULTIMATE.start_main_~y~4 4), 60719#(<= ULTIMATE.start_main_~y~4 5), 60720#(<= ULTIMATE.start_main_~y~4 6), 60721#(<= ULTIMATE.start_main_~y~4 7), 60722#(<= ULTIMATE.start_main_~y~4 8), 60723#(<= ULTIMATE.start_main_~y~4 9), 60724#(<= ULTIMATE.start_main_~y~4 10), 60725#(<= ULTIMATE.start_main_~y~4 11), 60726#(<= ULTIMATE.start_main_~y~4 12), 60727#(<= ULTIMATE.start_main_~y~4 13), 60728#(<= ULTIMATE.start_main_~y~4 14), 60729#(<= ULTIMATE.start_main_~y~4 15), 60730#(<= ULTIMATE.start_main_~y~4 16), 60731#(<= ULTIMATE.start_main_~y~4 17), 60732#(<= ULTIMATE.start_main_~y~4 18), 60733#(<= ULTIMATE.start_main_~y~4 19), 60734#(<= ULTIMATE.start_main_~y~4 20), 60735#(<= ULTIMATE.start_main_~y~4 21), 60736#(<= ULTIMATE.start_main_~y~4 22), 60737#(<= ULTIMATE.start_main_~y~4 23), 60738#(<= ULTIMATE.start_main_~y~4 24), 60739#(<= ULTIMATE.start_main_~y~4 25), 60740#(<= ULTIMATE.start_main_~y~4 26), 60741#(<= ULTIMATE.start_main_~y~4 27), 60742#(<= ULTIMATE.start_main_~y~4 28), 60743#(<= ULTIMATE.start_main_~y~4 29), 60744#(<= ULTIMATE.start_main_~y~4 30), 60745#(<= ULTIMATE.start_main_~y~4 31), 60746#(<= ULTIMATE.start_main_~y~4 32), 60747#(<= ULTIMATE.start_main_~y~4 33), 60748#(<= ULTIMATE.start_main_~y~4 34), 60749#(<= ULTIMATE.start_main_~y~4 35), 60750#(<= ULTIMATE.start_main_~y~4 36), 60751#(<= ULTIMATE.start_main_~y~4 37), 60752#(<= ULTIMATE.start_main_~y~4 38), 60753#(<= ULTIMATE.start_main_~y~4 39), 60754#(<= ULTIMATE.start_main_~y~4 40), 60755#(<= ULTIMATE.start_main_~y~4 41), 60756#(<= ULTIMATE.start_main_~y~4 42), 60757#(<= ULTIMATE.start_main_~y~4 43), 60758#(<= ULTIMATE.start_main_~y~4 44), 60759#(<= ULTIMATE.start_main_~y~4 45), 60760#(<= ULTIMATE.start_main_~y~4 46), 60761#(<= ULTIMATE.start_main_~y~4 47), 60762#(<= ULTIMATE.start_main_~y~4 48), 60763#(<= ULTIMATE.start_main_~y~4 49), 60764#(<= ULTIMATE.start_main_~y~4 50), 60765#(<= ULTIMATE.start_main_~y~4 51), 60766#(<= ULTIMATE.start_main_~y~4 52), 60767#(<= ULTIMATE.start_main_~y~4 53), 60768#(<= ULTIMATE.start_main_~y~4 54), 60769#(<= ULTIMATE.start_main_~y~4 55), 60770#(<= ULTIMATE.start_main_~y~4 56), 60771#(<= ULTIMATE.start_main_~y~4 57), 60772#(<= ULTIMATE.start_main_~y~4 58), 60773#(<= ULTIMATE.start_main_~y~4 59), 60774#(<= ULTIMATE.start_main_~y~4 60), 60775#(<= ULTIMATE.start_main_~y~4 61), 60776#(<= ULTIMATE.start_main_~y~4 62), 60777#(<= ULTIMATE.start_main_~y~4 63), 60778#(<= ULTIMATE.start_main_~y~4 64), 60779#(<= ULTIMATE.start_main_~y~4 65), 60780#(<= ULTIMATE.start_main_~y~4 66), 60781#(<= ULTIMATE.start_main_~y~4 67), 60782#(<= ULTIMATE.start_main_~y~4 68), 60783#(<= ULTIMATE.start_main_~y~4 69), 60784#(<= ULTIMATE.start_main_~y~4 70), 60785#(<= ULTIMATE.start_main_~y~4 71), 60786#(<= ULTIMATE.start_main_~y~4 72), 60787#(<= ULTIMATE.start_main_~y~4 73), 60788#(<= ULTIMATE.start_main_~y~4 74), 60789#(<= ULTIMATE.start_main_~y~4 75), 60790#(<= ULTIMATE.start_main_~y~4 76), 60791#(<= ULTIMATE.start_main_~y~4 77), 60792#(<= ULTIMATE.start_main_~y~4 78), 60793#(<= ULTIMATE.start_main_~y~4 79), 60794#(<= ULTIMATE.start_main_~y~4 80), 60795#(<= ULTIMATE.start_main_~y~4 81), 60796#(<= ULTIMATE.start_main_~y~4 82), 60797#(<= ULTIMATE.start_main_~y~4 83), 60798#(<= ULTIMATE.start_main_~y~4 84), 60799#(<= ULTIMATE.start_main_~y~4 85), 60800#(<= ULTIMATE.start_main_~y~4 86), 60801#(<= ULTIMATE.start_main_~y~4 87), 60802#(<= ULTIMATE.start_main_~y~4 88), 60803#(<= ULTIMATE.start_main_~y~4 89), 60804#(<= ULTIMATE.start_main_~y~4 90), 60805#(<= ULTIMATE.start_main_~y~4 91), 60806#(<= ULTIMATE.start_main_~y~4 92), 60807#(<= ULTIMATE.start_main_~y~4 93), 60808#(<= ULTIMATE.start_main_~y~4 94), 60809#(<= ULTIMATE.start_main_~y~4 95), 60810#(<= ULTIMATE.start_main_~y~4 96), 60811#(<= ULTIMATE.start_main_~y~4 97), 60812#(<= ULTIMATE.start_main_~y~4 98), 60813#(<= ULTIMATE.start_main_~y~4 99), 60814#(<= ULTIMATE.start_main_~y~4 100), 60815#(<= ULTIMATE.start_main_~y~4 101), 60816#(<= ULTIMATE.start_main_~y~4 102), 60817#(<= ULTIMATE.start_main_~y~4 103), 60818#(<= ULTIMATE.start_main_~y~4 104), 60819#(<= ULTIMATE.start_main_~y~4 105), 60820#(<= ULTIMATE.start_main_~y~4 106), 60821#(<= ULTIMATE.start_main_~y~4 107), 60822#(<= ULTIMATE.start_main_~y~4 108), 60823#(<= ULTIMATE.start_main_~y~4 109), 60824#(<= ULTIMATE.start_main_~y~4 110), 60825#(<= ULTIMATE.start_main_~y~4 111), 60826#(<= ULTIMATE.start_main_~y~4 112), 60827#(<= ULTIMATE.start_main_~y~4 113), 60828#(<= ULTIMATE.start_main_~y~4 114), 60829#(<= ULTIMATE.start_main_~y~4 115), 60830#(<= ULTIMATE.start_main_~y~4 116), 60831#(<= ULTIMATE.start_main_~y~4 117), 60832#(<= ULTIMATE.start_main_~y~4 118), 60833#(<= ULTIMATE.start_main_~y~4 119), 60834#(<= ULTIMATE.start_main_~y~4 120), 60835#(<= ULTIMATE.start_main_~y~4 121), 60836#(<= ULTIMATE.start_main_~y~4 122), 60837#(<= ULTIMATE.start_main_~y~4 123), 60838#(<= ULTIMATE.start_main_~y~4 124), 60839#(<= ULTIMATE.start_main_~y~4 125), 60840#(<= ULTIMATE.start_main_~y~4 126), 60841#(<= ULTIMATE.start_main_~y~4 127), 60842#(<= ULTIMATE.start_main_~y~4 128), 60843#(<= ULTIMATE.start_main_~y~4 129), 60844#(<= ULTIMATE.start_main_~y~4 130), 60845#(<= ULTIMATE.start_main_~y~4 131), 60846#(<= ULTIMATE.start_main_~y~4 132), 60847#(<= ULTIMATE.start_main_~y~4 133), 60848#(<= ULTIMATE.start_main_~y~4 134), 60849#(<= ULTIMATE.start_main_~y~4 135), 60850#(<= ULTIMATE.start_main_~y~4 136), 60851#(<= ULTIMATE.start_main_~y~4 137), 60852#(<= ULTIMATE.start_main_~y~4 138), 60853#(<= ULTIMATE.start_main_~y~4 139), 60854#(<= ULTIMATE.start_main_~y~4 140), 60855#(<= ULTIMATE.start_main_~y~4 141), 60856#(<= ULTIMATE.start_main_~y~4 142), 60857#(<= ULTIMATE.start_main_~y~4 143), 60858#(<= ULTIMATE.start_main_~y~4 144), 60859#(<= ULTIMATE.start_main_~y~4 145), 60860#(<= ULTIMATE.start_main_~y~4 146), 60861#(<= ULTIMATE.start_main_~y~4 147), 60862#(<= ULTIMATE.start_main_~y~4 148), 60863#(<= ULTIMATE.start_main_~y~4 149), 60864#(<= ULTIMATE.start_main_~y~4 150), 60865#(<= ULTIMATE.start_main_~y~4 151)] [2018-07-23 13:38:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:19,717 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:38:19,718 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:38:19,719 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:38:19,719 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 154 states. [2018-07-23 13:38:20,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:20,048 INFO L93 Difference]: Finished difference Result 158 states and 158 transitions. [2018-07-23 13:38:20,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:38:20,048 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 154 [2018-07-23 13:38:20,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:20,049 INFO L225 Difference]: With dead ends: 158 [2018-07-23 13:38:20,049 INFO L226 Difference]: Without dead ends: 156 [2018-07-23 13:38:20,050 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:38:20,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-07-23 13:38:20,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-07-23 13:38:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-07-23 13:38:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 156 transitions. [2018-07-23 13:38:20,052 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 156 transitions. Word has length 154 [2018-07-23 13:38:20,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:20,052 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 156 transitions. [2018-07-23 13:38:20,052 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:38:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 156 transitions. [2018-07-23 13:38:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-07-23 13:38:20,052 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:20,052 INFO L357 BasicCegarLoop]: trace histogram [152, 1, 1, 1] [2018-07-23 13:38:20,052 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:20,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1143032451, now seen corresponding path program 152 times [2018-07-23 13:38:20,053 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:20,532 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:20,532 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:38:20,533 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:20,533 INFO L185 omatonBuilderFactory]: Interpolants [61494#true, 61495#false, 61496#(<= ULTIMATE.start_main_~y~4 0), 61497#(<= ULTIMATE.start_main_~y~4 1), 61498#(<= ULTIMATE.start_main_~y~4 2), 61499#(<= ULTIMATE.start_main_~y~4 3), 61500#(<= ULTIMATE.start_main_~y~4 4), 61501#(<= ULTIMATE.start_main_~y~4 5), 61502#(<= ULTIMATE.start_main_~y~4 6), 61503#(<= ULTIMATE.start_main_~y~4 7), 61504#(<= ULTIMATE.start_main_~y~4 8), 61505#(<= ULTIMATE.start_main_~y~4 9), 61506#(<= ULTIMATE.start_main_~y~4 10), 61507#(<= ULTIMATE.start_main_~y~4 11), 61508#(<= ULTIMATE.start_main_~y~4 12), 61509#(<= ULTIMATE.start_main_~y~4 13), 61510#(<= ULTIMATE.start_main_~y~4 14), 61511#(<= ULTIMATE.start_main_~y~4 15), 61512#(<= ULTIMATE.start_main_~y~4 16), 61513#(<= ULTIMATE.start_main_~y~4 17), 61514#(<= ULTIMATE.start_main_~y~4 18), 61515#(<= ULTIMATE.start_main_~y~4 19), 61516#(<= ULTIMATE.start_main_~y~4 20), 61517#(<= ULTIMATE.start_main_~y~4 21), 61518#(<= ULTIMATE.start_main_~y~4 22), 61519#(<= ULTIMATE.start_main_~y~4 23), 61520#(<= ULTIMATE.start_main_~y~4 24), 61521#(<= ULTIMATE.start_main_~y~4 25), 61522#(<= ULTIMATE.start_main_~y~4 26), 61523#(<= ULTIMATE.start_main_~y~4 27), 61524#(<= ULTIMATE.start_main_~y~4 28), 61525#(<= ULTIMATE.start_main_~y~4 29), 61526#(<= ULTIMATE.start_main_~y~4 30), 61527#(<= ULTIMATE.start_main_~y~4 31), 61528#(<= ULTIMATE.start_main_~y~4 32), 61529#(<= ULTIMATE.start_main_~y~4 33), 61530#(<= ULTIMATE.start_main_~y~4 34), 61531#(<= ULTIMATE.start_main_~y~4 35), 61532#(<= ULTIMATE.start_main_~y~4 36), 61533#(<= ULTIMATE.start_main_~y~4 37), 61534#(<= ULTIMATE.start_main_~y~4 38), 61535#(<= ULTIMATE.start_main_~y~4 39), 61536#(<= ULTIMATE.start_main_~y~4 40), 61537#(<= ULTIMATE.start_main_~y~4 41), 61538#(<= ULTIMATE.start_main_~y~4 42), 61539#(<= ULTIMATE.start_main_~y~4 43), 61540#(<= ULTIMATE.start_main_~y~4 44), 61541#(<= ULTIMATE.start_main_~y~4 45), 61542#(<= ULTIMATE.start_main_~y~4 46), 61543#(<= ULTIMATE.start_main_~y~4 47), 61544#(<= ULTIMATE.start_main_~y~4 48), 61545#(<= ULTIMATE.start_main_~y~4 49), 61546#(<= ULTIMATE.start_main_~y~4 50), 61547#(<= ULTIMATE.start_main_~y~4 51), 61548#(<= ULTIMATE.start_main_~y~4 52), 61549#(<= ULTIMATE.start_main_~y~4 53), 61550#(<= ULTIMATE.start_main_~y~4 54), 61551#(<= ULTIMATE.start_main_~y~4 55), 61552#(<= ULTIMATE.start_main_~y~4 56), 61553#(<= ULTIMATE.start_main_~y~4 57), 61554#(<= ULTIMATE.start_main_~y~4 58), 61555#(<= ULTIMATE.start_main_~y~4 59), 61556#(<= ULTIMATE.start_main_~y~4 60), 61557#(<= ULTIMATE.start_main_~y~4 61), 61558#(<= ULTIMATE.start_main_~y~4 62), 61559#(<= ULTIMATE.start_main_~y~4 63), 61560#(<= ULTIMATE.start_main_~y~4 64), 61561#(<= ULTIMATE.start_main_~y~4 65), 61562#(<= ULTIMATE.start_main_~y~4 66), 61563#(<= ULTIMATE.start_main_~y~4 67), 61564#(<= ULTIMATE.start_main_~y~4 68), 61565#(<= ULTIMATE.start_main_~y~4 69), 61566#(<= ULTIMATE.start_main_~y~4 70), 61567#(<= ULTIMATE.start_main_~y~4 71), 61568#(<= ULTIMATE.start_main_~y~4 72), 61569#(<= ULTIMATE.start_main_~y~4 73), 61570#(<= ULTIMATE.start_main_~y~4 74), 61571#(<= ULTIMATE.start_main_~y~4 75), 61572#(<= ULTIMATE.start_main_~y~4 76), 61573#(<= ULTIMATE.start_main_~y~4 77), 61574#(<= ULTIMATE.start_main_~y~4 78), 61575#(<= ULTIMATE.start_main_~y~4 79), 61576#(<= ULTIMATE.start_main_~y~4 80), 61577#(<= ULTIMATE.start_main_~y~4 81), 61578#(<= ULTIMATE.start_main_~y~4 82), 61579#(<= ULTIMATE.start_main_~y~4 83), 61580#(<= ULTIMATE.start_main_~y~4 84), 61581#(<= ULTIMATE.start_main_~y~4 85), 61582#(<= ULTIMATE.start_main_~y~4 86), 61583#(<= ULTIMATE.start_main_~y~4 87), 61584#(<= ULTIMATE.start_main_~y~4 88), 61585#(<= ULTIMATE.start_main_~y~4 89), 61586#(<= ULTIMATE.start_main_~y~4 90), 61587#(<= ULTIMATE.start_main_~y~4 91), 61588#(<= ULTIMATE.start_main_~y~4 92), 61589#(<= ULTIMATE.start_main_~y~4 93), 61590#(<= ULTIMATE.start_main_~y~4 94), 61591#(<= ULTIMATE.start_main_~y~4 95), 61592#(<= ULTIMATE.start_main_~y~4 96), 61593#(<= ULTIMATE.start_main_~y~4 97), 61594#(<= ULTIMATE.start_main_~y~4 98), 61595#(<= ULTIMATE.start_main_~y~4 99), 61596#(<= ULTIMATE.start_main_~y~4 100), 61597#(<= ULTIMATE.start_main_~y~4 101), 61598#(<= ULTIMATE.start_main_~y~4 102), 61599#(<= ULTIMATE.start_main_~y~4 103), 61600#(<= ULTIMATE.start_main_~y~4 104), 61601#(<= ULTIMATE.start_main_~y~4 105), 61602#(<= ULTIMATE.start_main_~y~4 106), 61603#(<= ULTIMATE.start_main_~y~4 107), 61604#(<= ULTIMATE.start_main_~y~4 108), 61605#(<= ULTIMATE.start_main_~y~4 109), 61606#(<= ULTIMATE.start_main_~y~4 110), 61607#(<= ULTIMATE.start_main_~y~4 111), 61608#(<= ULTIMATE.start_main_~y~4 112), 61609#(<= ULTIMATE.start_main_~y~4 113), 61610#(<= ULTIMATE.start_main_~y~4 114), 61611#(<= ULTIMATE.start_main_~y~4 115), 61612#(<= ULTIMATE.start_main_~y~4 116), 61613#(<= ULTIMATE.start_main_~y~4 117), 61614#(<= ULTIMATE.start_main_~y~4 118), 61615#(<= ULTIMATE.start_main_~y~4 119), 61616#(<= ULTIMATE.start_main_~y~4 120), 61617#(<= ULTIMATE.start_main_~y~4 121), 61618#(<= ULTIMATE.start_main_~y~4 122), 61619#(<= ULTIMATE.start_main_~y~4 123), 61620#(<= ULTIMATE.start_main_~y~4 124), 61621#(<= ULTIMATE.start_main_~y~4 125), 61622#(<= ULTIMATE.start_main_~y~4 126), 61623#(<= ULTIMATE.start_main_~y~4 127), 61624#(<= ULTIMATE.start_main_~y~4 128), 61625#(<= ULTIMATE.start_main_~y~4 129), 61626#(<= ULTIMATE.start_main_~y~4 130), 61627#(<= ULTIMATE.start_main_~y~4 131), 61628#(<= ULTIMATE.start_main_~y~4 132), 61629#(<= ULTIMATE.start_main_~y~4 133), 61630#(<= ULTIMATE.start_main_~y~4 134), 61631#(<= ULTIMATE.start_main_~y~4 135), 61632#(<= ULTIMATE.start_main_~y~4 136), 61633#(<= ULTIMATE.start_main_~y~4 137), 61634#(<= ULTIMATE.start_main_~y~4 138), 61635#(<= ULTIMATE.start_main_~y~4 139), 61636#(<= ULTIMATE.start_main_~y~4 140), 61637#(<= ULTIMATE.start_main_~y~4 141), 61638#(<= ULTIMATE.start_main_~y~4 142), 61639#(<= ULTIMATE.start_main_~y~4 143), 61640#(<= ULTIMATE.start_main_~y~4 144), 61641#(<= ULTIMATE.start_main_~y~4 145), 61642#(<= ULTIMATE.start_main_~y~4 146), 61643#(<= ULTIMATE.start_main_~y~4 147), 61644#(<= ULTIMATE.start_main_~y~4 148), 61645#(<= ULTIMATE.start_main_~y~4 149), 61646#(<= ULTIMATE.start_main_~y~4 150), 61647#(<= ULTIMATE.start_main_~y~4 151), 61648#(<= ULTIMATE.start_main_~y~4 152)] [2018-07-23 13:38:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:20,534 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:38:20,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:38:20,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:38:20,536 INFO L87 Difference]: Start difference. First operand 156 states and 156 transitions. Second operand 155 states. [2018-07-23 13:38:20,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:20,859 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:38:20,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:38:20,860 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 155 [2018-07-23 13:38:20,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:20,860 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:38:20,860 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:38:20,861 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:38:20,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:38:20,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:38:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:38:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:38:20,864 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 155 [2018-07-23 13:38:20,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:20,864 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:38:20,864 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:38:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:38:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:38:20,865 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:20,865 INFO L357 BasicCegarLoop]: trace histogram [153, 1, 1, 1] [2018-07-23 13:38:20,865 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:20,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1074269420, now seen corresponding path program 153 times [2018-07-23 13:38:20,866 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 11781 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:21,371 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:21,371 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:38:21,371 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:21,372 INFO L185 omatonBuilderFactory]: Interpolants [62281#true, 62282#false, 62283#(<= ULTIMATE.start_main_~y~4 0), 62284#(<= ULTIMATE.start_main_~y~4 1), 62285#(<= ULTIMATE.start_main_~y~4 2), 62286#(<= ULTIMATE.start_main_~y~4 3), 62287#(<= ULTIMATE.start_main_~y~4 4), 62288#(<= ULTIMATE.start_main_~y~4 5), 62289#(<= ULTIMATE.start_main_~y~4 6), 62290#(<= ULTIMATE.start_main_~y~4 7), 62291#(<= ULTIMATE.start_main_~y~4 8), 62292#(<= ULTIMATE.start_main_~y~4 9), 62293#(<= ULTIMATE.start_main_~y~4 10), 62294#(<= ULTIMATE.start_main_~y~4 11), 62295#(<= ULTIMATE.start_main_~y~4 12), 62296#(<= ULTIMATE.start_main_~y~4 13), 62297#(<= ULTIMATE.start_main_~y~4 14), 62298#(<= ULTIMATE.start_main_~y~4 15), 62299#(<= ULTIMATE.start_main_~y~4 16), 62300#(<= ULTIMATE.start_main_~y~4 17), 62301#(<= ULTIMATE.start_main_~y~4 18), 62302#(<= ULTIMATE.start_main_~y~4 19), 62303#(<= ULTIMATE.start_main_~y~4 20), 62304#(<= ULTIMATE.start_main_~y~4 21), 62305#(<= ULTIMATE.start_main_~y~4 22), 62306#(<= ULTIMATE.start_main_~y~4 23), 62307#(<= ULTIMATE.start_main_~y~4 24), 62308#(<= ULTIMATE.start_main_~y~4 25), 62309#(<= ULTIMATE.start_main_~y~4 26), 62310#(<= ULTIMATE.start_main_~y~4 27), 62311#(<= ULTIMATE.start_main_~y~4 28), 62312#(<= ULTIMATE.start_main_~y~4 29), 62313#(<= ULTIMATE.start_main_~y~4 30), 62314#(<= ULTIMATE.start_main_~y~4 31), 62315#(<= ULTIMATE.start_main_~y~4 32), 62316#(<= ULTIMATE.start_main_~y~4 33), 62317#(<= ULTIMATE.start_main_~y~4 34), 62318#(<= ULTIMATE.start_main_~y~4 35), 62319#(<= ULTIMATE.start_main_~y~4 36), 62320#(<= ULTIMATE.start_main_~y~4 37), 62321#(<= ULTIMATE.start_main_~y~4 38), 62322#(<= ULTIMATE.start_main_~y~4 39), 62323#(<= ULTIMATE.start_main_~y~4 40), 62324#(<= ULTIMATE.start_main_~y~4 41), 62325#(<= ULTIMATE.start_main_~y~4 42), 62326#(<= ULTIMATE.start_main_~y~4 43), 62327#(<= ULTIMATE.start_main_~y~4 44), 62328#(<= ULTIMATE.start_main_~y~4 45), 62329#(<= ULTIMATE.start_main_~y~4 46), 62330#(<= ULTIMATE.start_main_~y~4 47), 62331#(<= ULTIMATE.start_main_~y~4 48), 62332#(<= ULTIMATE.start_main_~y~4 49), 62333#(<= ULTIMATE.start_main_~y~4 50), 62334#(<= ULTIMATE.start_main_~y~4 51), 62335#(<= ULTIMATE.start_main_~y~4 52), 62336#(<= ULTIMATE.start_main_~y~4 53), 62337#(<= ULTIMATE.start_main_~y~4 54), 62338#(<= ULTIMATE.start_main_~y~4 55), 62339#(<= ULTIMATE.start_main_~y~4 56), 62340#(<= ULTIMATE.start_main_~y~4 57), 62341#(<= ULTIMATE.start_main_~y~4 58), 62342#(<= ULTIMATE.start_main_~y~4 59), 62343#(<= ULTIMATE.start_main_~y~4 60), 62344#(<= ULTIMATE.start_main_~y~4 61), 62345#(<= ULTIMATE.start_main_~y~4 62), 62346#(<= ULTIMATE.start_main_~y~4 63), 62347#(<= ULTIMATE.start_main_~y~4 64), 62348#(<= ULTIMATE.start_main_~y~4 65), 62349#(<= ULTIMATE.start_main_~y~4 66), 62350#(<= ULTIMATE.start_main_~y~4 67), 62351#(<= ULTIMATE.start_main_~y~4 68), 62352#(<= ULTIMATE.start_main_~y~4 69), 62353#(<= ULTIMATE.start_main_~y~4 70), 62354#(<= ULTIMATE.start_main_~y~4 71), 62355#(<= ULTIMATE.start_main_~y~4 72), 62356#(<= ULTIMATE.start_main_~y~4 73), 62357#(<= ULTIMATE.start_main_~y~4 74), 62358#(<= ULTIMATE.start_main_~y~4 75), 62359#(<= ULTIMATE.start_main_~y~4 76), 62360#(<= ULTIMATE.start_main_~y~4 77), 62361#(<= ULTIMATE.start_main_~y~4 78), 62362#(<= ULTIMATE.start_main_~y~4 79), 62363#(<= ULTIMATE.start_main_~y~4 80), 62364#(<= ULTIMATE.start_main_~y~4 81), 62365#(<= ULTIMATE.start_main_~y~4 82), 62366#(<= ULTIMATE.start_main_~y~4 83), 62367#(<= ULTIMATE.start_main_~y~4 84), 62368#(<= ULTIMATE.start_main_~y~4 85), 62369#(<= ULTIMATE.start_main_~y~4 86), 62370#(<= ULTIMATE.start_main_~y~4 87), 62371#(<= ULTIMATE.start_main_~y~4 88), 62372#(<= ULTIMATE.start_main_~y~4 89), 62373#(<= ULTIMATE.start_main_~y~4 90), 62374#(<= ULTIMATE.start_main_~y~4 91), 62375#(<= ULTIMATE.start_main_~y~4 92), 62376#(<= ULTIMATE.start_main_~y~4 93), 62377#(<= ULTIMATE.start_main_~y~4 94), 62378#(<= ULTIMATE.start_main_~y~4 95), 62379#(<= ULTIMATE.start_main_~y~4 96), 62380#(<= ULTIMATE.start_main_~y~4 97), 62381#(<= ULTIMATE.start_main_~y~4 98), 62382#(<= ULTIMATE.start_main_~y~4 99), 62383#(<= ULTIMATE.start_main_~y~4 100), 62384#(<= ULTIMATE.start_main_~y~4 101), 62385#(<= ULTIMATE.start_main_~y~4 102), 62386#(<= ULTIMATE.start_main_~y~4 103), 62387#(<= ULTIMATE.start_main_~y~4 104), 62388#(<= ULTIMATE.start_main_~y~4 105), 62389#(<= ULTIMATE.start_main_~y~4 106), 62390#(<= ULTIMATE.start_main_~y~4 107), 62391#(<= ULTIMATE.start_main_~y~4 108), 62392#(<= ULTIMATE.start_main_~y~4 109), 62393#(<= ULTIMATE.start_main_~y~4 110), 62394#(<= ULTIMATE.start_main_~y~4 111), 62395#(<= ULTIMATE.start_main_~y~4 112), 62396#(<= ULTIMATE.start_main_~y~4 113), 62397#(<= ULTIMATE.start_main_~y~4 114), 62398#(<= ULTIMATE.start_main_~y~4 115), 62399#(<= ULTIMATE.start_main_~y~4 116), 62400#(<= ULTIMATE.start_main_~y~4 117), 62401#(<= ULTIMATE.start_main_~y~4 118), 62402#(<= ULTIMATE.start_main_~y~4 119), 62403#(<= ULTIMATE.start_main_~y~4 120), 62404#(<= ULTIMATE.start_main_~y~4 121), 62405#(<= ULTIMATE.start_main_~y~4 122), 62406#(<= ULTIMATE.start_main_~y~4 123), 62407#(<= ULTIMATE.start_main_~y~4 124), 62408#(<= ULTIMATE.start_main_~y~4 125), 62409#(<= ULTIMATE.start_main_~y~4 126), 62410#(<= ULTIMATE.start_main_~y~4 127), 62411#(<= ULTIMATE.start_main_~y~4 128), 62412#(<= ULTIMATE.start_main_~y~4 129), 62413#(<= ULTIMATE.start_main_~y~4 130), 62414#(<= ULTIMATE.start_main_~y~4 131), 62415#(<= ULTIMATE.start_main_~y~4 132), 62416#(<= ULTIMATE.start_main_~y~4 133), 62417#(<= ULTIMATE.start_main_~y~4 134), 62418#(<= ULTIMATE.start_main_~y~4 135), 62419#(<= ULTIMATE.start_main_~y~4 136), 62420#(<= ULTIMATE.start_main_~y~4 137), 62421#(<= ULTIMATE.start_main_~y~4 138), 62422#(<= ULTIMATE.start_main_~y~4 139), 62423#(<= ULTIMATE.start_main_~y~4 140), 62424#(<= ULTIMATE.start_main_~y~4 141), 62425#(<= ULTIMATE.start_main_~y~4 142), 62426#(<= ULTIMATE.start_main_~y~4 143), 62427#(<= ULTIMATE.start_main_~y~4 144), 62428#(<= ULTIMATE.start_main_~y~4 145), 62429#(<= ULTIMATE.start_main_~y~4 146), 62430#(<= ULTIMATE.start_main_~y~4 147), 62431#(<= ULTIMATE.start_main_~y~4 148), 62432#(<= ULTIMATE.start_main_~y~4 149), 62433#(<= ULTIMATE.start_main_~y~4 150), 62434#(<= ULTIMATE.start_main_~y~4 151), 62435#(<= ULTIMATE.start_main_~y~4 152), 62436#(<= ULTIMATE.start_main_~y~4 153)] [2018-07-23 13:38:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 11781 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:21,372 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:38:21,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:38:21,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:38:21,374 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 156 states. [2018-07-23 13:38:21,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:21,703 INFO L93 Difference]: Finished difference Result 160 states and 160 transitions. [2018-07-23 13:38:21,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:38:21,704 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 156 [2018-07-23 13:38:21,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:21,704 INFO L225 Difference]: With dead ends: 160 [2018-07-23 13:38:21,704 INFO L226 Difference]: Without dead ends: 158 [2018-07-23 13:38:21,705 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:38:21,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-07-23 13:38:21,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-07-23 13:38:21,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-07-23 13:38:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 158 transitions. [2018-07-23 13:38:21,708 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 158 transitions. Word has length 156 [2018-07-23 13:38:21,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:21,708 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 158 transitions. [2018-07-23 13:38:21,708 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:38:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 158 transitions. [2018-07-23 13:38:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-07-23 13:38:21,709 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:21,709 INFO L357 BasicCegarLoop]: trace histogram [154, 1, 1, 1] [2018-07-23 13:38:21,709 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:21,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1057384541, now seen corresponding path program 154 times [2018-07-23 13:38:21,710 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 11935 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:22,382 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:22,382 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:38:22,382 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:22,383 INFO L185 omatonBuilderFactory]: Interpolants [63073#true, 63074#false, 63075#(<= ULTIMATE.start_main_~y~4 0), 63076#(<= ULTIMATE.start_main_~y~4 1), 63077#(<= ULTIMATE.start_main_~y~4 2), 63078#(<= ULTIMATE.start_main_~y~4 3), 63079#(<= ULTIMATE.start_main_~y~4 4), 63080#(<= ULTIMATE.start_main_~y~4 5), 63081#(<= ULTIMATE.start_main_~y~4 6), 63082#(<= ULTIMATE.start_main_~y~4 7), 63083#(<= ULTIMATE.start_main_~y~4 8), 63084#(<= ULTIMATE.start_main_~y~4 9), 63085#(<= ULTIMATE.start_main_~y~4 10), 63086#(<= ULTIMATE.start_main_~y~4 11), 63087#(<= ULTIMATE.start_main_~y~4 12), 63088#(<= ULTIMATE.start_main_~y~4 13), 63089#(<= ULTIMATE.start_main_~y~4 14), 63090#(<= ULTIMATE.start_main_~y~4 15), 63091#(<= ULTIMATE.start_main_~y~4 16), 63092#(<= ULTIMATE.start_main_~y~4 17), 63093#(<= ULTIMATE.start_main_~y~4 18), 63094#(<= ULTIMATE.start_main_~y~4 19), 63095#(<= ULTIMATE.start_main_~y~4 20), 63096#(<= ULTIMATE.start_main_~y~4 21), 63097#(<= ULTIMATE.start_main_~y~4 22), 63098#(<= ULTIMATE.start_main_~y~4 23), 63099#(<= ULTIMATE.start_main_~y~4 24), 63100#(<= ULTIMATE.start_main_~y~4 25), 63101#(<= ULTIMATE.start_main_~y~4 26), 63102#(<= ULTIMATE.start_main_~y~4 27), 63103#(<= ULTIMATE.start_main_~y~4 28), 63104#(<= ULTIMATE.start_main_~y~4 29), 63105#(<= ULTIMATE.start_main_~y~4 30), 63106#(<= ULTIMATE.start_main_~y~4 31), 63107#(<= ULTIMATE.start_main_~y~4 32), 63108#(<= ULTIMATE.start_main_~y~4 33), 63109#(<= ULTIMATE.start_main_~y~4 34), 63110#(<= ULTIMATE.start_main_~y~4 35), 63111#(<= ULTIMATE.start_main_~y~4 36), 63112#(<= ULTIMATE.start_main_~y~4 37), 63113#(<= ULTIMATE.start_main_~y~4 38), 63114#(<= ULTIMATE.start_main_~y~4 39), 63115#(<= ULTIMATE.start_main_~y~4 40), 63116#(<= ULTIMATE.start_main_~y~4 41), 63117#(<= ULTIMATE.start_main_~y~4 42), 63118#(<= ULTIMATE.start_main_~y~4 43), 63119#(<= ULTIMATE.start_main_~y~4 44), 63120#(<= ULTIMATE.start_main_~y~4 45), 63121#(<= ULTIMATE.start_main_~y~4 46), 63122#(<= ULTIMATE.start_main_~y~4 47), 63123#(<= ULTIMATE.start_main_~y~4 48), 63124#(<= ULTIMATE.start_main_~y~4 49), 63125#(<= ULTIMATE.start_main_~y~4 50), 63126#(<= ULTIMATE.start_main_~y~4 51), 63127#(<= ULTIMATE.start_main_~y~4 52), 63128#(<= ULTIMATE.start_main_~y~4 53), 63129#(<= ULTIMATE.start_main_~y~4 54), 63130#(<= ULTIMATE.start_main_~y~4 55), 63131#(<= ULTIMATE.start_main_~y~4 56), 63132#(<= ULTIMATE.start_main_~y~4 57), 63133#(<= ULTIMATE.start_main_~y~4 58), 63134#(<= ULTIMATE.start_main_~y~4 59), 63135#(<= ULTIMATE.start_main_~y~4 60), 63136#(<= ULTIMATE.start_main_~y~4 61), 63137#(<= ULTIMATE.start_main_~y~4 62), 63138#(<= ULTIMATE.start_main_~y~4 63), 63139#(<= ULTIMATE.start_main_~y~4 64), 63140#(<= ULTIMATE.start_main_~y~4 65), 63141#(<= ULTIMATE.start_main_~y~4 66), 63142#(<= ULTIMATE.start_main_~y~4 67), 63143#(<= ULTIMATE.start_main_~y~4 68), 63144#(<= ULTIMATE.start_main_~y~4 69), 63145#(<= ULTIMATE.start_main_~y~4 70), 63146#(<= ULTIMATE.start_main_~y~4 71), 63147#(<= ULTIMATE.start_main_~y~4 72), 63148#(<= ULTIMATE.start_main_~y~4 73), 63149#(<= ULTIMATE.start_main_~y~4 74), 63150#(<= ULTIMATE.start_main_~y~4 75), 63151#(<= ULTIMATE.start_main_~y~4 76), 63152#(<= ULTIMATE.start_main_~y~4 77), 63153#(<= ULTIMATE.start_main_~y~4 78), 63154#(<= ULTIMATE.start_main_~y~4 79), 63155#(<= ULTIMATE.start_main_~y~4 80), 63156#(<= ULTIMATE.start_main_~y~4 81), 63157#(<= ULTIMATE.start_main_~y~4 82), 63158#(<= ULTIMATE.start_main_~y~4 83), 63159#(<= ULTIMATE.start_main_~y~4 84), 63160#(<= ULTIMATE.start_main_~y~4 85), 63161#(<= ULTIMATE.start_main_~y~4 86), 63162#(<= ULTIMATE.start_main_~y~4 87), 63163#(<= ULTIMATE.start_main_~y~4 88), 63164#(<= ULTIMATE.start_main_~y~4 89), 63165#(<= ULTIMATE.start_main_~y~4 90), 63166#(<= ULTIMATE.start_main_~y~4 91), 63167#(<= ULTIMATE.start_main_~y~4 92), 63168#(<= ULTIMATE.start_main_~y~4 93), 63169#(<= ULTIMATE.start_main_~y~4 94), 63170#(<= ULTIMATE.start_main_~y~4 95), 63171#(<= ULTIMATE.start_main_~y~4 96), 63172#(<= ULTIMATE.start_main_~y~4 97), 63173#(<= ULTIMATE.start_main_~y~4 98), 63174#(<= ULTIMATE.start_main_~y~4 99), 63175#(<= ULTIMATE.start_main_~y~4 100), 63176#(<= ULTIMATE.start_main_~y~4 101), 63177#(<= ULTIMATE.start_main_~y~4 102), 63178#(<= ULTIMATE.start_main_~y~4 103), 63179#(<= ULTIMATE.start_main_~y~4 104), 63180#(<= ULTIMATE.start_main_~y~4 105), 63181#(<= ULTIMATE.start_main_~y~4 106), 63182#(<= ULTIMATE.start_main_~y~4 107), 63183#(<= ULTIMATE.start_main_~y~4 108), 63184#(<= ULTIMATE.start_main_~y~4 109), 63185#(<= ULTIMATE.start_main_~y~4 110), 63186#(<= ULTIMATE.start_main_~y~4 111), 63187#(<= ULTIMATE.start_main_~y~4 112), 63188#(<= ULTIMATE.start_main_~y~4 113), 63189#(<= ULTIMATE.start_main_~y~4 114), 63190#(<= ULTIMATE.start_main_~y~4 115), 63191#(<= ULTIMATE.start_main_~y~4 116), 63192#(<= ULTIMATE.start_main_~y~4 117), 63193#(<= ULTIMATE.start_main_~y~4 118), 63194#(<= ULTIMATE.start_main_~y~4 119), 63195#(<= ULTIMATE.start_main_~y~4 120), 63196#(<= ULTIMATE.start_main_~y~4 121), 63197#(<= ULTIMATE.start_main_~y~4 122), 63198#(<= ULTIMATE.start_main_~y~4 123), 63199#(<= ULTIMATE.start_main_~y~4 124), 63200#(<= ULTIMATE.start_main_~y~4 125), 63201#(<= ULTIMATE.start_main_~y~4 126), 63202#(<= ULTIMATE.start_main_~y~4 127), 63203#(<= ULTIMATE.start_main_~y~4 128), 63204#(<= ULTIMATE.start_main_~y~4 129), 63205#(<= ULTIMATE.start_main_~y~4 130), 63206#(<= ULTIMATE.start_main_~y~4 131), 63207#(<= ULTIMATE.start_main_~y~4 132), 63208#(<= ULTIMATE.start_main_~y~4 133), 63209#(<= ULTIMATE.start_main_~y~4 134), 63210#(<= ULTIMATE.start_main_~y~4 135), 63211#(<= ULTIMATE.start_main_~y~4 136), 63212#(<= ULTIMATE.start_main_~y~4 137), 63213#(<= ULTIMATE.start_main_~y~4 138), 63214#(<= ULTIMATE.start_main_~y~4 139), 63215#(<= ULTIMATE.start_main_~y~4 140), 63216#(<= ULTIMATE.start_main_~y~4 141), 63217#(<= ULTIMATE.start_main_~y~4 142), 63218#(<= ULTIMATE.start_main_~y~4 143), 63219#(<= ULTIMATE.start_main_~y~4 144), 63220#(<= ULTIMATE.start_main_~y~4 145), 63221#(<= ULTIMATE.start_main_~y~4 146), 63222#(<= ULTIMATE.start_main_~y~4 147), 63223#(<= ULTIMATE.start_main_~y~4 148), 63224#(<= ULTIMATE.start_main_~y~4 149), 63225#(<= ULTIMATE.start_main_~y~4 150), 63226#(<= ULTIMATE.start_main_~y~4 151), 63227#(<= ULTIMATE.start_main_~y~4 152), 63228#(<= ULTIMATE.start_main_~y~4 153), 63229#(<= ULTIMATE.start_main_~y~4 154)] [2018-07-23 13:38:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 11935 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:22,383 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:38:22,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:38:22,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:38:22,385 INFO L87 Difference]: Start difference. First operand 158 states and 158 transitions. Second operand 157 states. [2018-07-23 13:38:22,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:22,736 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:38:22,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:38:22,736 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 157 [2018-07-23 13:38:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:22,737 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:38:22,737 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:38:22,737 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:38:22,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:38:22,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:38:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:38:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:38:22,739 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 157 [2018-07-23 13:38:22,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:22,739 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:38:22,740 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:38:22,740 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:38:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:38:22,740 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:22,740 INFO L357 BasicCegarLoop]: trace histogram [155, 1, 1, 1] [2018-07-23 13:38:22,740 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:22,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1580819404, now seen corresponding path program 155 times [2018-07-23 13:38:22,740 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:23,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:23,350 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:23,350 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:38:23,350 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:23,350 INFO L185 omatonBuilderFactory]: Interpolants [64000#(<= ULTIMATE.start_main_~y~4 128), 64001#(<= ULTIMATE.start_main_~y~4 129), 64002#(<= ULTIMATE.start_main_~y~4 130), 64003#(<= ULTIMATE.start_main_~y~4 131), 64004#(<= ULTIMATE.start_main_~y~4 132), 64005#(<= ULTIMATE.start_main_~y~4 133), 64006#(<= ULTIMATE.start_main_~y~4 134), 64007#(<= ULTIMATE.start_main_~y~4 135), 64008#(<= ULTIMATE.start_main_~y~4 136), 64009#(<= ULTIMATE.start_main_~y~4 137), 64010#(<= ULTIMATE.start_main_~y~4 138), 64011#(<= ULTIMATE.start_main_~y~4 139), 64012#(<= ULTIMATE.start_main_~y~4 140), 64013#(<= ULTIMATE.start_main_~y~4 141), 64014#(<= ULTIMATE.start_main_~y~4 142), 64015#(<= ULTIMATE.start_main_~y~4 143), 64016#(<= ULTIMATE.start_main_~y~4 144), 64017#(<= ULTIMATE.start_main_~y~4 145), 64018#(<= ULTIMATE.start_main_~y~4 146), 64019#(<= ULTIMATE.start_main_~y~4 147), 64020#(<= ULTIMATE.start_main_~y~4 148), 64021#(<= ULTIMATE.start_main_~y~4 149), 64022#(<= ULTIMATE.start_main_~y~4 150), 64023#(<= ULTIMATE.start_main_~y~4 151), 64024#(<= ULTIMATE.start_main_~y~4 152), 64025#(<= ULTIMATE.start_main_~y~4 153), 64026#(<= ULTIMATE.start_main_~y~4 154), 64027#(<= ULTIMATE.start_main_~y~4 155), 63870#true, 63871#false, 63872#(<= ULTIMATE.start_main_~y~4 0), 63873#(<= ULTIMATE.start_main_~y~4 1), 63874#(<= ULTIMATE.start_main_~y~4 2), 63875#(<= ULTIMATE.start_main_~y~4 3), 63876#(<= ULTIMATE.start_main_~y~4 4), 63877#(<= ULTIMATE.start_main_~y~4 5), 63878#(<= ULTIMATE.start_main_~y~4 6), 63879#(<= ULTIMATE.start_main_~y~4 7), 63880#(<= ULTIMATE.start_main_~y~4 8), 63881#(<= ULTIMATE.start_main_~y~4 9), 63882#(<= ULTIMATE.start_main_~y~4 10), 63883#(<= ULTIMATE.start_main_~y~4 11), 63884#(<= ULTIMATE.start_main_~y~4 12), 63885#(<= ULTIMATE.start_main_~y~4 13), 63886#(<= ULTIMATE.start_main_~y~4 14), 63887#(<= ULTIMATE.start_main_~y~4 15), 63888#(<= ULTIMATE.start_main_~y~4 16), 63889#(<= ULTIMATE.start_main_~y~4 17), 63890#(<= ULTIMATE.start_main_~y~4 18), 63891#(<= ULTIMATE.start_main_~y~4 19), 63892#(<= ULTIMATE.start_main_~y~4 20), 63893#(<= ULTIMATE.start_main_~y~4 21), 63894#(<= ULTIMATE.start_main_~y~4 22), 63895#(<= ULTIMATE.start_main_~y~4 23), 63896#(<= ULTIMATE.start_main_~y~4 24), 63897#(<= ULTIMATE.start_main_~y~4 25), 63898#(<= ULTIMATE.start_main_~y~4 26), 63899#(<= ULTIMATE.start_main_~y~4 27), 63900#(<= ULTIMATE.start_main_~y~4 28), 63901#(<= ULTIMATE.start_main_~y~4 29), 63902#(<= ULTIMATE.start_main_~y~4 30), 63903#(<= ULTIMATE.start_main_~y~4 31), 63904#(<= ULTIMATE.start_main_~y~4 32), 63905#(<= ULTIMATE.start_main_~y~4 33), 63906#(<= ULTIMATE.start_main_~y~4 34), 63907#(<= ULTIMATE.start_main_~y~4 35), 63908#(<= ULTIMATE.start_main_~y~4 36), 63909#(<= ULTIMATE.start_main_~y~4 37), 63910#(<= ULTIMATE.start_main_~y~4 38), 63911#(<= ULTIMATE.start_main_~y~4 39), 63912#(<= ULTIMATE.start_main_~y~4 40), 63913#(<= ULTIMATE.start_main_~y~4 41), 63914#(<= ULTIMATE.start_main_~y~4 42), 63915#(<= ULTIMATE.start_main_~y~4 43), 63916#(<= ULTIMATE.start_main_~y~4 44), 63917#(<= ULTIMATE.start_main_~y~4 45), 63918#(<= ULTIMATE.start_main_~y~4 46), 63919#(<= ULTIMATE.start_main_~y~4 47), 63920#(<= ULTIMATE.start_main_~y~4 48), 63921#(<= ULTIMATE.start_main_~y~4 49), 63922#(<= ULTIMATE.start_main_~y~4 50), 63923#(<= ULTIMATE.start_main_~y~4 51), 63924#(<= ULTIMATE.start_main_~y~4 52), 63925#(<= ULTIMATE.start_main_~y~4 53), 63926#(<= ULTIMATE.start_main_~y~4 54), 63927#(<= ULTIMATE.start_main_~y~4 55), 63928#(<= ULTIMATE.start_main_~y~4 56), 63929#(<= ULTIMATE.start_main_~y~4 57), 63930#(<= ULTIMATE.start_main_~y~4 58), 63931#(<= ULTIMATE.start_main_~y~4 59), 63932#(<= ULTIMATE.start_main_~y~4 60), 63933#(<= ULTIMATE.start_main_~y~4 61), 63934#(<= ULTIMATE.start_main_~y~4 62), 63935#(<= ULTIMATE.start_main_~y~4 63), 63936#(<= ULTIMATE.start_main_~y~4 64), 63937#(<= ULTIMATE.start_main_~y~4 65), 63938#(<= ULTIMATE.start_main_~y~4 66), 63939#(<= ULTIMATE.start_main_~y~4 67), 63940#(<= ULTIMATE.start_main_~y~4 68), 63941#(<= ULTIMATE.start_main_~y~4 69), 63942#(<= ULTIMATE.start_main_~y~4 70), 63943#(<= ULTIMATE.start_main_~y~4 71), 63944#(<= ULTIMATE.start_main_~y~4 72), 63945#(<= ULTIMATE.start_main_~y~4 73), 63946#(<= ULTIMATE.start_main_~y~4 74), 63947#(<= ULTIMATE.start_main_~y~4 75), 63948#(<= ULTIMATE.start_main_~y~4 76), 63949#(<= ULTIMATE.start_main_~y~4 77), 63950#(<= ULTIMATE.start_main_~y~4 78), 63951#(<= ULTIMATE.start_main_~y~4 79), 63952#(<= ULTIMATE.start_main_~y~4 80), 63953#(<= ULTIMATE.start_main_~y~4 81), 63954#(<= ULTIMATE.start_main_~y~4 82), 63955#(<= ULTIMATE.start_main_~y~4 83), 63956#(<= ULTIMATE.start_main_~y~4 84), 63957#(<= ULTIMATE.start_main_~y~4 85), 63958#(<= ULTIMATE.start_main_~y~4 86), 63959#(<= ULTIMATE.start_main_~y~4 87), 63960#(<= ULTIMATE.start_main_~y~4 88), 63961#(<= ULTIMATE.start_main_~y~4 89), 63962#(<= ULTIMATE.start_main_~y~4 90), 63963#(<= ULTIMATE.start_main_~y~4 91), 63964#(<= ULTIMATE.start_main_~y~4 92), 63965#(<= ULTIMATE.start_main_~y~4 93), 63966#(<= ULTIMATE.start_main_~y~4 94), 63967#(<= ULTIMATE.start_main_~y~4 95), 63968#(<= ULTIMATE.start_main_~y~4 96), 63969#(<= ULTIMATE.start_main_~y~4 97), 63970#(<= ULTIMATE.start_main_~y~4 98), 63971#(<= ULTIMATE.start_main_~y~4 99), 63972#(<= ULTIMATE.start_main_~y~4 100), 63973#(<= ULTIMATE.start_main_~y~4 101), 63974#(<= ULTIMATE.start_main_~y~4 102), 63975#(<= ULTIMATE.start_main_~y~4 103), 63976#(<= ULTIMATE.start_main_~y~4 104), 63977#(<= ULTIMATE.start_main_~y~4 105), 63978#(<= ULTIMATE.start_main_~y~4 106), 63979#(<= ULTIMATE.start_main_~y~4 107), 63980#(<= ULTIMATE.start_main_~y~4 108), 63981#(<= ULTIMATE.start_main_~y~4 109), 63982#(<= ULTIMATE.start_main_~y~4 110), 63983#(<= ULTIMATE.start_main_~y~4 111), 63984#(<= ULTIMATE.start_main_~y~4 112), 63985#(<= ULTIMATE.start_main_~y~4 113), 63986#(<= ULTIMATE.start_main_~y~4 114), 63987#(<= ULTIMATE.start_main_~y~4 115), 63988#(<= ULTIMATE.start_main_~y~4 116), 63989#(<= ULTIMATE.start_main_~y~4 117), 63990#(<= ULTIMATE.start_main_~y~4 118), 63991#(<= ULTIMATE.start_main_~y~4 119), 63992#(<= ULTIMATE.start_main_~y~4 120), 63993#(<= ULTIMATE.start_main_~y~4 121), 63994#(<= ULTIMATE.start_main_~y~4 122), 63995#(<= ULTIMATE.start_main_~y~4 123), 63996#(<= ULTIMATE.start_main_~y~4 124), 63997#(<= ULTIMATE.start_main_~y~4 125), 63998#(<= ULTIMATE.start_main_~y~4 126), 63999#(<= ULTIMATE.start_main_~y~4 127)] [2018-07-23 13:38:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:23,351 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:38:23,353 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:38:23,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:38:23,354 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 158 states. [2018-07-23 13:38:23,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:23,637 INFO L93 Difference]: Finished difference Result 162 states and 162 transitions. [2018-07-23 13:38:23,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:38:23,638 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 158 [2018-07-23 13:38:23,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:23,638 INFO L225 Difference]: With dead ends: 162 [2018-07-23 13:38:23,638 INFO L226 Difference]: Without dead ends: 160 [2018-07-23 13:38:23,639 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:38:23,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-07-23 13:38:23,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-07-23 13:38:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-07-23 13:38:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 160 transitions. [2018-07-23 13:38:23,642 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 160 transitions. Word has length 158 [2018-07-23 13:38:23,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:23,642 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 160 transitions. [2018-07-23 13:38:23,642 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:38:23,642 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 160 transitions. [2018-07-23 13:38:23,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-07-23 13:38:23,642 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:23,642 INFO L357 BasicCegarLoop]: trace histogram [156, 1, 1, 1] [2018-07-23 13:38:23,643 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:23,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1760763075, now seen corresponding path program 156 times [2018-07-23 13:38:23,643 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12246 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:24,216 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:24,216 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:38:24,217 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:24,217 INFO L185 omatonBuilderFactory]: Interpolants [64768#(<= ULTIMATE.start_main_~y~4 94), 64769#(<= ULTIMATE.start_main_~y~4 95), 64770#(<= ULTIMATE.start_main_~y~4 96), 64771#(<= ULTIMATE.start_main_~y~4 97), 64772#(<= ULTIMATE.start_main_~y~4 98), 64773#(<= ULTIMATE.start_main_~y~4 99), 64774#(<= ULTIMATE.start_main_~y~4 100), 64775#(<= ULTIMATE.start_main_~y~4 101), 64776#(<= ULTIMATE.start_main_~y~4 102), 64777#(<= ULTIMATE.start_main_~y~4 103), 64778#(<= ULTIMATE.start_main_~y~4 104), 64779#(<= ULTIMATE.start_main_~y~4 105), 64780#(<= ULTIMATE.start_main_~y~4 106), 64781#(<= ULTIMATE.start_main_~y~4 107), 64782#(<= ULTIMATE.start_main_~y~4 108), 64783#(<= ULTIMATE.start_main_~y~4 109), 64784#(<= ULTIMATE.start_main_~y~4 110), 64785#(<= ULTIMATE.start_main_~y~4 111), 64786#(<= ULTIMATE.start_main_~y~4 112), 64787#(<= ULTIMATE.start_main_~y~4 113), 64788#(<= ULTIMATE.start_main_~y~4 114), 64789#(<= ULTIMATE.start_main_~y~4 115), 64790#(<= ULTIMATE.start_main_~y~4 116), 64791#(<= ULTIMATE.start_main_~y~4 117), 64792#(<= ULTIMATE.start_main_~y~4 118), 64793#(<= ULTIMATE.start_main_~y~4 119), 64794#(<= ULTIMATE.start_main_~y~4 120), 64795#(<= ULTIMATE.start_main_~y~4 121), 64796#(<= ULTIMATE.start_main_~y~4 122), 64797#(<= ULTIMATE.start_main_~y~4 123), 64798#(<= ULTIMATE.start_main_~y~4 124), 64799#(<= ULTIMATE.start_main_~y~4 125), 64800#(<= ULTIMATE.start_main_~y~4 126), 64801#(<= ULTIMATE.start_main_~y~4 127), 64802#(<= ULTIMATE.start_main_~y~4 128), 64803#(<= ULTIMATE.start_main_~y~4 129), 64804#(<= ULTIMATE.start_main_~y~4 130), 64805#(<= ULTIMATE.start_main_~y~4 131), 64806#(<= ULTIMATE.start_main_~y~4 132), 64807#(<= ULTIMATE.start_main_~y~4 133), 64808#(<= ULTIMATE.start_main_~y~4 134), 64809#(<= ULTIMATE.start_main_~y~4 135), 64810#(<= ULTIMATE.start_main_~y~4 136), 64811#(<= ULTIMATE.start_main_~y~4 137), 64812#(<= ULTIMATE.start_main_~y~4 138), 64813#(<= ULTIMATE.start_main_~y~4 139), 64814#(<= ULTIMATE.start_main_~y~4 140), 64815#(<= ULTIMATE.start_main_~y~4 141), 64816#(<= ULTIMATE.start_main_~y~4 142), 64817#(<= ULTIMATE.start_main_~y~4 143), 64818#(<= ULTIMATE.start_main_~y~4 144), 64819#(<= ULTIMATE.start_main_~y~4 145), 64820#(<= ULTIMATE.start_main_~y~4 146), 64821#(<= ULTIMATE.start_main_~y~4 147), 64822#(<= ULTIMATE.start_main_~y~4 148), 64823#(<= ULTIMATE.start_main_~y~4 149), 64824#(<= ULTIMATE.start_main_~y~4 150), 64825#(<= ULTIMATE.start_main_~y~4 151), 64826#(<= ULTIMATE.start_main_~y~4 152), 64827#(<= ULTIMATE.start_main_~y~4 153), 64828#(<= ULTIMATE.start_main_~y~4 154), 64829#(<= ULTIMATE.start_main_~y~4 155), 64830#(<= ULTIMATE.start_main_~y~4 156), 64672#true, 64673#false, 64674#(<= ULTIMATE.start_main_~y~4 0), 64675#(<= ULTIMATE.start_main_~y~4 1), 64676#(<= ULTIMATE.start_main_~y~4 2), 64677#(<= ULTIMATE.start_main_~y~4 3), 64678#(<= ULTIMATE.start_main_~y~4 4), 64679#(<= ULTIMATE.start_main_~y~4 5), 64680#(<= ULTIMATE.start_main_~y~4 6), 64681#(<= ULTIMATE.start_main_~y~4 7), 64682#(<= ULTIMATE.start_main_~y~4 8), 64683#(<= ULTIMATE.start_main_~y~4 9), 64684#(<= ULTIMATE.start_main_~y~4 10), 64685#(<= ULTIMATE.start_main_~y~4 11), 64686#(<= ULTIMATE.start_main_~y~4 12), 64687#(<= ULTIMATE.start_main_~y~4 13), 64688#(<= ULTIMATE.start_main_~y~4 14), 64689#(<= ULTIMATE.start_main_~y~4 15), 64690#(<= ULTIMATE.start_main_~y~4 16), 64691#(<= ULTIMATE.start_main_~y~4 17), 64692#(<= ULTIMATE.start_main_~y~4 18), 64693#(<= ULTIMATE.start_main_~y~4 19), 64694#(<= ULTIMATE.start_main_~y~4 20), 64695#(<= ULTIMATE.start_main_~y~4 21), 64696#(<= ULTIMATE.start_main_~y~4 22), 64697#(<= ULTIMATE.start_main_~y~4 23), 64698#(<= ULTIMATE.start_main_~y~4 24), 64699#(<= ULTIMATE.start_main_~y~4 25), 64700#(<= ULTIMATE.start_main_~y~4 26), 64701#(<= ULTIMATE.start_main_~y~4 27), 64702#(<= ULTIMATE.start_main_~y~4 28), 64703#(<= ULTIMATE.start_main_~y~4 29), 64704#(<= ULTIMATE.start_main_~y~4 30), 64705#(<= ULTIMATE.start_main_~y~4 31), 64706#(<= ULTIMATE.start_main_~y~4 32), 64707#(<= ULTIMATE.start_main_~y~4 33), 64708#(<= ULTIMATE.start_main_~y~4 34), 64709#(<= ULTIMATE.start_main_~y~4 35), 64710#(<= ULTIMATE.start_main_~y~4 36), 64711#(<= ULTIMATE.start_main_~y~4 37), 64712#(<= ULTIMATE.start_main_~y~4 38), 64713#(<= ULTIMATE.start_main_~y~4 39), 64714#(<= ULTIMATE.start_main_~y~4 40), 64715#(<= ULTIMATE.start_main_~y~4 41), 64716#(<= ULTIMATE.start_main_~y~4 42), 64717#(<= ULTIMATE.start_main_~y~4 43), 64718#(<= ULTIMATE.start_main_~y~4 44), 64719#(<= ULTIMATE.start_main_~y~4 45), 64720#(<= ULTIMATE.start_main_~y~4 46), 64721#(<= ULTIMATE.start_main_~y~4 47), 64722#(<= ULTIMATE.start_main_~y~4 48), 64723#(<= ULTIMATE.start_main_~y~4 49), 64724#(<= ULTIMATE.start_main_~y~4 50), 64725#(<= ULTIMATE.start_main_~y~4 51), 64726#(<= ULTIMATE.start_main_~y~4 52), 64727#(<= ULTIMATE.start_main_~y~4 53), 64728#(<= ULTIMATE.start_main_~y~4 54), 64729#(<= ULTIMATE.start_main_~y~4 55), 64730#(<= ULTIMATE.start_main_~y~4 56), 64731#(<= ULTIMATE.start_main_~y~4 57), 64732#(<= ULTIMATE.start_main_~y~4 58), 64733#(<= ULTIMATE.start_main_~y~4 59), 64734#(<= ULTIMATE.start_main_~y~4 60), 64735#(<= ULTIMATE.start_main_~y~4 61), 64736#(<= ULTIMATE.start_main_~y~4 62), 64737#(<= ULTIMATE.start_main_~y~4 63), 64738#(<= ULTIMATE.start_main_~y~4 64), 64739#(<= ULTIMATE.start_main_~y~4 65), 64740#(<= ULTIMATE.start_main_~y~4 66), 64741#(<= ULTIMATE.start_main_~y~4 67), 64742#(<= ULTIMATE.start_main_~y~4 68), 64743#(<= ULTIMATE.start_main_~y~4 69), 64744#(<= ULTIMATE.start_main_~y~4 70), 64745#(<= ULTIMATE.start_main_~y~4 71), 64746#(<= ULTIMATE.start_main_~y~4 72), 64747#(<= ULTIMATE.start_main_~y~4 73), 64748#(<= ULTIMATE.start_main_~y~4 74), 64749#(<= ULTIMATE.start_main_~y~4 75), 64750#(<= ULTIMATE.start_main_~y~4 76), 64751#(<= ULTIMATE.start_main_~y~4 77), 64752#(<= ULTIMATE.start_main_~y~4 78), 64753#(<= ULTIMATE.start_main_~y~4 79), 64754#(<= ULTIMATE.start_main_~y~4 80), 64755#(<= ULTIMATE.start_main_~y~4 81), 64756#(<= ULTIMATE.start_main_~y~4 82), 64757#(<= ULTIMATE.start_main_~y~4 83), 64758#(<= ULTIMATE.start_main_~y~4 84), 64759#(<= ULTIMATE.start_main_~y~4 85), 64760#(<= ULTIMATE.start_main_~y~4 86), 64761#(<= ULTIMATE.start_main_~y~4 87), 64762#(<= ULTIMATE.start_main_~y~4 88), 64763#(<= ULTIMATE.start_main_~y~4 89), 64764#(<= ULTIMATE.start_main_~y~4 90), 64765#(<= ULTIMATE.start_main_~y~4 91), 64766#(<= ULTIMATE.start_main_~y~4 92), 64767#(<= ULTIMATE.start_main_~y~4 93)] [2018-07-23 13:38:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 12246 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:24,218 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:38:24,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:38:24,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:38:24,220 INFO L87 Difference]: Start difference. First operand 160 states and 160 transitions. Second operand 159 states. [2018-07-23 13:38:24,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:24,375 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:38:24,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:38:24,375 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 159 [2018-07-23 13:38:24,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:24,376 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:38:24,376 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:38:24,377 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:38:24,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:38:24,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:38:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:38:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:38:24,379 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 159 [2018-07-23 13:38:24,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:24,379 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:38:24,379 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:38:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:38:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:38:24,380 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:24,380 INFO L357 BasicCegarLoop]: trace histogram [157, 1, 1, 1] [2018-07-23 13:38:24,380 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:24,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1250917716, now seen corresponding path program 157 times [2018-07-23 13:38:24,380 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12403 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:25,009 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:25,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:38:25,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:25,010 INFO L185 omatonBuilderFactory]: Interpolants [65537#(<= ULTIMATE.start_main_~y~4 56), 65536#(<= ULTIMATE.start_main_~y~4 55), 65539#(<= ULTIMATE.start_main_~y~4 58), 65538#(<= ULTIMATE.start_main_~y~4 57), 65541#(<= ULTIMATE.start_main_~y~4 60), 65540#(<= ULTIMATE.start_main_~y~4 59), 65543#(<= ULTIMATE.start_main_~y~4 62), 65542#(<= ULTIMATE.start_main_~y~4 61), 65545#(<= ULTIMATE.start_main_~y~4 64), 65544#(<= ULTIMATE.start_main_~y~4 63), 65547#(<= ULTIMATE.start_main_~y~4 66), 65546#(<= ULTIMATE.start_main_~y~4 65), 65549#(<= ULTIMATE.start_main_~y~4 68), 65548#(<= ULTIMATE.start_main_~y~4 67), 65551#(<= ULTIMATE.start_main_~y~4 70), 65550#(<= ULTIMATE.start_main_~y~4 69), 65553#(<= ULTIMATE.start_main_~y~4 72), 65552#(<= ULTIMATE.start_main_~y~4 71), 65555#(<= ULTIMATE.start_main_~y~4 74), 65554#(<= ULTIMATE.start_main_~y~4 73), 65557#(<= ULTIMATE.start_main_~y~4 76), 65556#(<= ULTIMATE.start_main_~y~4 75), 65559#(<= ULTIMATE.start_main_~y~4 78), 65558#(<= ULTIMATE.start_main_~y~4 77), 65561#(<= ULTIMATE.start_main_~y~4 80), 65560#(<= ULTIMATE.start_main_~y~4 79), 65563#(<= ULTIMATE.start_main_~y~4 82), 65562#(<= ULTIMATE.start_main_~y~4 81), 65565#(<= ULTIMATE.start_main_~y~4 84), 65564#(<= ULTIMATE.start_main_~y~4 83), 65567#(<= ULTIMATE.start_main_~y~4 86), 65566#(<= ULTIMATE.start_main_~y~4 85), 65569#(<= ULTIMATE.start_main_~y~4 88), 65568#(<= ULTIMATE.start_main_~y~4 87), 65571#(<= ULTIMATE.start_main_~y~4 90), 65570#(<= ULTIMATE.start_main_~y~4 89), 65573#(<= ULTIMATE.start_main_~y~4 92), 65572#(<= ULTIMATE.start_main_~y~4 91), 65575#(<= ULTIMATE.start_main_~y~4 94), 65574#(<= ULTIMATE.start_main_~y~4 93), 65577#(<= ULTIMATE.start_main_~y~4 96), 65576#(<= ULTIMATE.start_main_~y~4 95), 65579#(<= ULTIMATE.start_main_~y~4 98), 65578#(<= ULTIMATE.start_main_~y~4 97), 65581#(<= ULTIMATE.start_main_~y~4 100), 65580#(<= ULTIMATE.start_main_~y~4 99), 65583#(<= ULTIMATE.start_main_~y~4 102), 65582#(<= ULTIMATE.start_main_~y~4 101), 65585#(<= ULTIMATE.start_main_~y~4 104), 65584#(<= ULTIMATE.start_main_~y~4 103), 65587#(<= ULTIMATE.start_main_~y~4 106), 65586#(<= ULTIMATE.start_main_~y~4 105), 65589#(<= ULTIMATE.start_main_~y~4 108), 65588#(<= ULTIMATE.start_main_~y~4 107), 65591#(<= ULTIMATE.start_main_~y~4 110), 65590#(<= ULTIMATE.start_main_~y~4 109), 65593#(<= ULTIMATE.start_main_~y~4 112), 65592#(<= ULTIMATE.start_main_~y~4 111), 65595#(<= ULTIMATE.start_main_~y~4 114), 65594#(<= ULTIMATE.start_main_~y~4 113), 65597#(<= ULTIMATE.start_main_~y~4 116), 65596#(<= ULTIMATE.start_main_~y~4 115), 65599#(<= ULTIMATE.start_main_~y~4 118), 65598#(<= ULTIMATE.start_main_~y~4 117), 65601#(<= ULTIMATE.start_main_~y~4 120), 65600#(<= ULTIMATE.start_main_~y~4 119), 65603#(<= ULTIMATE.start_main_~y~4 122), 65602#(<= ULTIMATE.start_main_~y~4 121), 65605#(<= ULTIMATE.start_main_~y~4 124), 65604#(<= ULTIMATE.start_main_~y~4 123), 65607#(<= ULTIMATE.start_main_~y~4 126), 65606#(<= ULTIMATE.start_main_~y~4 125), 65609#(<= ULTIMATE.start_main_~y~4 128), 65608#(<= ULTIMATE.start_main_~y~4 127), 65611#(<= ULTIMATE.start_main_~y~4 130), 65610#(<= ULTIMATE.start_main_~y~4 129), 65613#(<= ULTIMATE.start_main_~y~4 132), 65612#(<= ULTIMATE.start_main_~y~4 131), 65615#(<= ULTIMATE.start_main_~y~4 134), 65614#(<= ULTIMATE.start_main_~y~4 133), 65617#(<= ULTIMATE.start_main_~y~4 136), 65616#(<= ULTIMATE.start_main_~y~4 135), 65619#(<= ULTIMATE.start_main_~y~4 138), 65618#(<= ULTIMATE.start_main_~y~4 137), 65621#(<= ULTIMATE.start_main_~y~4 140), 65620#(<= ULTIMATE.start_main_~y~4 139), 65623#(<= ULTIMATE.start_main_~y~4 142), 65622#(<= ULTIMATE.start_main_~y~4 141), 65625#(<= ULTIMATE.start_main_~y~4 144), 65624#(<= ULTIMATE.start_main_~y~4 143), 65627#(<= ULTIMATE.start_main_~y~4 146), 65626#(<= ULTIMATE.start_main_~y~4 145), 65629#(<= ULTIMATE.start_main_~y~4 148), 65628#(<= ULTIMATE.start_main_~y~4 147), 65631#(<= ULTIMATE.start_main_~y~4 150), 65630#(<= ULTIMATE.start_main_~y~4 149), 65633#(<= ULTIMATE.start_main_~y~4 152), 65632#(<= ULTIMATE.start_main_~y~4 151), 65635#(<= ULTIMATE.start_main_~y~4 154), 65634#(<= ULTIMATE.start_main_~y~4 153), 65637#(<= ULTIMATE.start_main_~y~4 156), 65636#(<= ULTIMATE.start_main_~y~4 155), 65638#(<= ULTIMATE.start_main_~y~4 157), 65479#true, 65480#false, 65481#(<= ULTIMATE.start_main_~y~4 0), 65482#(<= ULTIMATE.start_main_~y~4 1), 65483#(<= ULTIMATE.start_main_~y~4 2), 65484#(<= ULTIMATE.start_main_~y~4 3), 65485#(<= ULTIMATE.start_main_~y~4 4), 65486#(<= ULTIMATE.start_main_~y~4 5), 65487#(<= ULTIMATE.start_main_~y~4 6), 65488#(<= ULTIMATE.start_main_~y~4 7), 65489#(<= ULTIMATE.start_main_~y~4 8), 65490#(<= ULTIMATE.start_main_~y~4 9), 65491#(<= ULTIMATE.start_main_~y~4 10), 65492#(<= ULTIMATE.start_main_~y~4 11), 65493#(<= ULTIMATE.start_main_~y~4 12), 65494#(<= ULTIMATE.start_main_~y~4 13), 65495#(<= ULTIMATE.start_main_~y~4 14), 65496#(<= ULTIMATE.start_main_~y~4 15), 65497#(<= ULTIMATE.start_main_~y~4 16), 65498#(<= ULTIMATE.start_main_~y~4 17), 65499#(<= ULTIMATE.start_main_~y~4 18), 65500#(<= ULTIMATE.start_main_~y~4 19), 65501#(<= ULTIMATE.start_main_~y~4 20), 65502#(<= ULTIMATE.start_main_~y~4 21), 65503#(<= ULTIMATE.start_main_~y~4 22), 65504#(<= ULTIMATE.start_main_~y~4 23), 65505#(<= ULTIMATE.start_main_~y~4 24), 65506#(<= ULTIMATE.start_main_~y~4 25), 65507#(<= ULTIMATE.start_main_~y~4 26), 65508#(<= ULTIMATE.start_main_~y~4 27), 65509#(<= ULTIMATE.start_main_~y~4 28), 65510#(<= ULTIMATE.start_main_~y~4 29), 65511#(<= ULTIMATE.start_main_~y~4 30), 65512#(<= ULTIMATE.start_main_~y~4 31), 65513#(<= ULTIMATE.start_main_~y~4 32), 65514#(<= ULTIMATE.start_main_~y~4 33), 65515#(<= ULTIMATE.start_main_~y~4 34), 65516#(<= ULTIMATE.start_main_~y~4 35), 65517#(<= ULTIMATE.start_main_~y~4 36), 65518#(<= ULTIMATE.start_main_~y~4 37), 65519#(<= ULTIMATE.start_main_~y~4 38), 65520#(<= ULTIMATE.start_main_~y~4 39), 65521#(<= ULTIMATE.start_main_~y~4 40), 65522#(<= ULTIMATE.start_main_~y~4 41), 65523#(<= ULTIMATE.start_main_~y~4 42), 65524#(<= ULTIMATE.start_main_~y~4 43), 65525#(<= ULTIMATE.start_main_~y~4 44), 65526#(<= ULTIMATE.start_main_~y~4 45), 65527#(<= ULTIMATE.start_main_~y~4 46), 65528#(<= ULTIMATE.start_main_~y~4 47), 65529#(<= ULTIMATE.start_main_~y~4 48), 65530#(<= ULTIMATE.start_main_~y~4 49), 65531#(<= ULTIMATE.start_main_~y~4 50), 65532#(<= ULTIMATE.start_main_~y~4 51), 65533#(<= ULTIMATE.start_main_~y~4 52), 65534#(<= ULTIMATE.start_main_~y~4 53), 65535#(<= ULTIMATE.start_main_~y~4 54)] [2018-07-23 13:38:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12403 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:25,011 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:38:25,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:38:25,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:38:25,014 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 160 states. [2018-07-23 13:38:25,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:25,273 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-07-23 13:38:25,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:38:25,273 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 160 [2018-07-23 13:38:25,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:25,274 INFO L225 Difference]: With dead ends: 164 [2018-07-23 13:38:25,274 INFO L226 Difference]: Without dead ends: 162 [2018-07-23 13:38:25,275 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:38:25,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-07-23 13:38:25,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-07-23 13:38:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-07-23 13:38:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2018-07-23 13:38:25,277 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 160 [2018-07-23 13:38:25,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:25,277 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2018-07-23 13:38:25,277 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:38:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2018-07-23 13:38:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-07-23 13:38:25,277 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:25,277 INFO L357 BasicCegarLoop]: trace histogram [158, 1, 1, 1] [2018-07-23 13:38:25,277 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:25,278 INFO L82 PathProgramCache]: Analyzing trace with hash -123741725, now seen corresponding path program 158 times [2018-07-23 13:38:25,278 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12561 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:25,839 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:25,839 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:38:25,839 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:25,840 INFO L185 omatonBuilderFactory]: Interpolants [66305#(<= ULTIMATE.start_main_~y~4 12), 66304#(<= ULTIMATE.start_main_~y~4 11), 66307#(<= ULTIMATE.start_main_~y~4 14), 66306#(<= ULTIMATE.start_main_~y~4 13), 66309#(<= ULTIMATE.start_main_~y~4 16), 66308#(<= ULTIMATE.start_main_~y~4 15), 66311#(<= ULTIMATE.start_main_~y~4 18), 66310#(<= ULTIMATE.start_main_~y~4 17), 66313#(<= ULTIMATE.start_main_~y~4 20), 66312#(<= ULTIMATE.start_main_~y~4 19), 66315#(<= ULTIMATE.start_main_~y~4 22), 66314#(<= ULTIMATE.start_main_~y~4 21), 66317#(<= ULTIMATE.start_main_~y~4 24), 66316#(<= ULTIMATE.start_main_~y~4 23), 66319#(<= ULTIMATE.start_main_~y~4 26), 66318#(<= ULTIMATE.start_main_~y~4 25), 66321#(<= ULTIMATE.start_main_~y~4 28), 66320#(<= ULTIMATE.start_main_~y~4 27), 66323#(<= ULTIMATE.start_main_~y~4 30), 66322#(<= ULTIMATE.start_main_~y~4 29), 66325#(<= ULTIMATE.start_main_~y~4 32), 66324#(<= ULTIMATE.start_main_~y~4 31), 66327#(<= ULTIMATE.start_main_~y~4 34), 66326#(<= ULTIMATE.start_main_~y~4 33), 66329#(<= ULTIMATE.start_main_~y~4 36), 66328#(<= ULTIMATE.start_main_~y~4 35), 66331#(<= ULTIMATE.start_main_~y~4 38), 66330#(<= ULTIMATE.start_main_~y~4 37), 66333#(<= ULTIMATE.start_main_~y~4 40), 66332#(<= ULTIMATE.start_main_~y~4 39), 66335#(<= ULTIMATE.start_main_~y~4 42), 66334#(<= ULTIMATE.start_main_~y~4 41), 66337#(<= ULTIMATE.start_main_~y~4 44), 66336#(<= ULTIMATE.start_main_~y~4 43), 66339#(<= ULTIMATE.start_main_~y~4 46), 66338#(<= ULTIMATE.start_main_~y~4 45), 66341#(<= ULTIMATE.start_main_~y~4 48), 66340#(<= ULTIMATE.start_main_~y~4 47), 66343#(<= ULTIMATE.start_main_~y~4 50), 66342#(<= ULTIMATE.start_main_~y~4 49), 66345#(<= ULTIMATE.start_main_~y~4 52), 66344#(<= ULTIMATE.start_main_~y~4 51), 66347#(<= ULTIMATE.start_main_~y~4 54), 66346#(<= ULTIMATE.start_main_~y~4 53), 66349#(<= ULTIMATE.start_main_~y~4 56), 66348#(<= ULTIMATE.start_main_~y~4 55), 66351#(<= ULTIMATE.start_main_~y~4 58), 66350#(<= ULTIMATE.start_main_~y~4 57), 66353#(<= ULTIMATE.start_main_~y~4 60), 66352#(<= ULTIMATE.start_main_~y~4 59), 66355#(<= ULTIMATE.start_main_~y~4 62), 66354#(<= ULTIMATE.start_main_~y~4 61), 66357#(<= ULTIMATE.start_main_~y~4 64), 66356#(<= ULTIMATE.start_main_~y~4 63), 66359#(<= ULTIMATE.start_main_~y~4 66), 66358#(<= ULTIMATE.start_main_~y~4 65), 66361#(<= ULTIMATE.start_main_~y~4 68), 66360#(<= ULTIMATE.start_main_~y~4 67), 66363#(<= ULTIMATE.start_main_~y~4 70), 66362#(<= ULTIMATE.start_main_~y~4 69), 66365#(<= ULTIMATE.start_main_~y~4 72), 66364#(<= ULTIMATE.start_main_~y~4 71), 66367#(<= ULTIMATE.start_main_~y~4 74), 66366#(<= ULTIMATE.start_main_~y~4 73), 66369#(<= ULTIMATE.start_main_~y~4 76), 66368#(<= ULTIMATE.start_main_~y~4 75), 66371#(<= ULTIMATE.start_main_~y~4 78), 66370#(<= ULTIMATE.start_main_~y~4 77), 66373#(<= ULTIMATE.start_main_~y~4 80), 66372#(<= ULTIMATE.start_main_~y~4 79), 66375#(<= ULTIMATE.start_main_~y~4 82), 66374#(<= ULTIMATE.start_main_~y~4 81), 66377#(<= ULTIMATE.start_main_~y~4 84), 66376#(<= ULTIMATE.start_main_~y~4 83), 66379#(<= ULTIMATE.start_main_~y~4 86), 66378#(<= ULTIMATE.start_main_~y~4 85), 66381#(<= ULTIMATE.start_main_~y~4 88), 66380#(<= ULTIMATE.start_main_~y~4 87), 66383#(<= ULTIMATE.start_main_~y~4 90), 66382#(<= ULTIMATE.start_main_~y~4 89), 66385#(<= ULTIMATE.start_main_~y~4 92), 66384#(<= ULTIMATE.start_main_~y~4 91), 66387#(<= ULTIMATE.start_main_~y~4 94), 66386#(<= ULTIMATE.start_main_~y~4 93), 66389#(<= ULTIMATE.start_main_~y~4 96), 66388#(<= ULTIMATE.start_main_~y~4 95), 66391#(<= ULTIMATE.start_main_~y~4 98), 66390#(<= ULTIMATE.start_main_~y~4 97), 66393#(<= ULTIMATE.start_main_~y~4 100), 66392#(<= ULTIMATE.start_main_~y~4 99), 66395#(<= ULTIMATE.start_main_~y~4 102), 66394#(<= ULTIMATE.start_main_~y~4 101), 66397#(<= ULTIMATE.start_main_~y~4 104), 66396#(<= ULTIMATE.start_main_~y~4 103), 66399#(<= ULTIMATE.start_main_~y~4 106), 66398#(<= ULTIMATE.start_main_~y~4 105), 66401#(<= ULTIMATE.start_main_~y~4 108), 66400#(<= ULTIMATE.start_main_~y~4 107), 66403#(<= ULTIMATE.start_main_~y~4 110), 66402#(<= ULTIMATE.start_main_~y~4 109), 66405#(<= ULTIMATE.start_main_~y~4 112), 66404#(<= ULTIMATE.start_main_~y~4 111), 66407#(<= ULTIMATE.start_main_~y~4 114), 66406#(<= ULTIMATE.start_main_~y~4 113), 66409#(<= ULTIMATE.start_main_~y~4 116), 66408#(<= ULTIMATE.start_main_~y~4 115), 66411#(<= ULTIMATE.start_main_~y~4 118), 66410#(<= ULTIMATE.start_main_~y~4 117), 66413#(<= ULTIMATE.start_main_~y~4 120), 66412#(<= ULTIMATE.start_main_~y~4 119), 66415#(<= ULTIMATE.start_main_~y~4 122), 66414#(<= ULTIMATE.start_main_~y~4 121), 66417#(<= ULTIMATE.start_main_~y~4 124), 66416#(<= ULTIMATE.start_main_~y~4 123), 66419#(<= ULTIMATE.start_main_~y~4 126), 66418#(<= ULTIMATE.start_main_~y~4 125), 66421#(<= ULTIMATE.start_main_~y~4 128), 66420#(<= ULTIMATE.start_main_~y~4 127), 66423#(<= ULTIMATE.start_main_~y~4 130), 66422#(<= ULTIMATE.start_main_~y~4 129), 66425#(<= ULTIMATE.start_main_~y~4 132), 66424#(<= ULTIMATE.start_main_~y~4 131), 66427#(<= ULTIMATE.start_main_~y~4 134), 66426#(<= ULTIMATE.start_main_~y~4 133), 66429#(<= ULTIMATE.start_main_~y~4 136), 66428#(<= ULTIMATE.start_main_~y~4 135), 66431#(<= ULTIMATE.start_main_~y~4 138), 66430#(<= ULTIMATE.start_main_~y~4 137), 66433#(<= ULTIMATE.start_main_~y~4 140), 66432#(<= ULTIMATE.start_main_~y~4 139), 66435#(<= ULTIMATE.start_main_~y~4 142), 66434#(<= ULTIMATE.start_main_~y~4 141), 66437#(<= ULTIMATE.start_main_~y~4 144), 66436#(<= ULTIMATE.start_main_~y~4 143), 66439#(<= ULTIMATE.start_main_~y~4 146), 66438#(<= ULTIMATE.start_main_~y~4 145), 66441#(<= ULTIMATE.start_main_~y~4 148), 66440#(<= ULTIMATE.start_main_~y~4 147), 66443#(<= ULTIMATE.start_main_~y~4 150), 66442#(<= ULTIMATE.start_main_~y~4 149), 66445#(<= ULTIMATE.start_main_~y~4 152), 66444#(<= ULTIMATE.start_main_~y~4 151), 66447#(<= ULTIMATE.start_main_~y~4 154), 66446#(<= ULTIMATE.start_main_~y~4 153), 66449#(<= ULTIMATE.start_main_~y~4 156), 66448#(<= ULTIMATE.start_main_~y~4 155), 66451#(<= ULTIMATE.start_main_~y~4 158), 66450#(<= ULTIMATE.start_main_~y~4 157), 66291#true, 66293#(<= ULTIMATE.start_main_~y~4 0), 66292#false, 66295#(<= ULTIMATE.start_main_~y~4 2), 66294#(<= ULTIMATE.start_main_~y~4 1), 66297#(<= ULTIMATE.start_main_~y~4 4), 66296#(<= ULTIMATE.start_main_~y~4 3), 66299#(<= ULTIMATE.start_main_~y~4 6), 66298#(<= ULTIMATE.start_main_~y~4 5), 66301#(<= ULTIMATE.start_main_~y~4 8), 66300#(<= ULTIMATE.start_main_~y~4 7), 66303#(<= ULTIMATE.start_main_~y~4 10), 66302#(<= ULTIMATE.start_main_~y~4 9)] [2018-07-23 13:38:25,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12561 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:25,841 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:38:25,842 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:38:25,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:38:25,843 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand 161 states. [2018-07-23 13:38:26,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:26,375 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:38:26,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:38:26,375 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 161 [2018-07-23 13:38:26,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:26,376 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:38:26,376 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:38:26,377 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:38:26,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:38:26,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:38:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:38:26,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:38:26,379 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 161 [2018-07-23 13:38:26,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:26,380 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:38:26,380 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:38:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:38:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:38:26,380 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:26,380 INFO L357 BasicCegarLoop]: trace histogram [159, 1, 1, 1] [2018-07-23 13:38:26,380 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:26,380 INFO L82 PathProgramCache]: Analyzing trace with hash 458975628, now seen corresponding path program 159 times [2018-07-23 13:38:26,381 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12720 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:27,094 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:27,094 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:38:27,094 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:27,095 INFO L185 omatonBuilderFactory]: Interpolants [67109#false, 67108#true, 67111#(<= ULTIMATE.start_main_~y~4 1), 67110#(<= ULTIMATE.start_main_~y~4 0), 67113#(<= ULTIMATE.start_main_~y~4 3), 67112#(<= ULTIMATE.start_main_~y~4 2), 67115#(<= ULTIMATE.start_main_~y~4 5), 67114#(<= ULTIMATE.start_main_~y~4 4), 67117#(<= ULTIMATE.start_main_~y~4 7), 67116#(<= ULTIMATE.start_main_~y~4 6), 67119#(<= ULTIMATE.start_main_~y~4 9), 67118#(<= ULTIMATE.start_main_~y~4 8), 67121#(<= ULTIMATE.start_main_~y~4 11), 67120#(<= ULTIMATE.start_main_~y~4 10), 67123#(<= ULTIMATE.start_main_~y~4 13), 67122#(<= ULTIMATE.start_main_~y~4 12), 67125#(<= ULTIMATE.start_main_~y~4 15), 67124#(<= ULTIMATE.start_main_~y~4 14), 67127#(<= ULTIMATE.start_main_~y~4 17), 67126#(<= ULTIMATE.start_main_~y~4 16), 67129#(<= ULTIMATE.start_main_~y~4 19), 67128#(<= ULTIMATE.start_main_~y~4 18), 67131#(<= ULTIMATE.start_main_~y~4 21), 67130#(<= ULTIMATE.start_main_~y~4 20), 67133#(<= ULTIMATE.start_main_~y~4 23), 67132#(<= ULTIMATE.start_main_~y~4 22), 67135#(<= ULTIMATE.start_main_~y~4 25), 67134#(<= ULTIMATE.start_main_~y~4 24), 67137#(<= ULTIMATE.start_main_~y~4 27), 67136#(<= ULTIMATE.start_main_~y~4 26), 67139#(<= ULTIMATE.start_main_~y~4 29), 67138#(<= ULTIMATE.start_main_~y~4 28), 67141#(<= ULTIMATE.start_main_~y~4 31), 67140#(<= ULTIMATE.start_main_~y~4 30), 67143#(<= ULTIMATE.start_main_~y~4 33), 67142#(<= ULTIMATE.start_main_~y~4 32), 67145#(<= ULTIMATE.start_main_~y~4 35), 67144#(<= ULTIMATE.start_main_~y~4 34), 67147#(<= ULTIMATE.start_main_~y~4 37), 67146#(<= ULTIMATE.start_main_~y~4 36), 67149#(<= ULTIMATE.start_main_~y~4 39), 67148#(<= ULTIMATE.start_main_~y~4 38), 67151#(<= ULTIMATE.start_main_~y~4 41), 67150#(<= ULTIMATE.start_main_~y~4 40), 67153#(<= ULTIMATE.start_main_~y~4 43), 67152#(<= ULTIMATE.start_main_~y~4 42), 67155#(<= ULTIMATE.start_main_~y~4 45), 67154#(<= ULTIMATE.start_main_~y~4 44), 67157#(<= ULTIMATE.start_main_~y~4 47), 67156#(<= ULTIMATE.start_main_~y~4 46), 67159#(<= ULTIMATE.start_main_~y~4 49), 67158#(<= ULTIMATE.start_main_~y~4 48), 67161#(<= ULTIMATE.start_main_~y~4 51), 67160#(<= ULTIMATE.start_main_~y~4 50), 67163#(<= ULTIMATE.start_main_~y~4 53), 67162#(<= ULTIMATE.start_main_~y~4 52), 67165#(<= ULTIMATE.start_main_~y~4 55), 67164#(<= ULTIMATE.start_main_~y~4 54), 67167#(<= ULTIMATE.start_main_~y~4 57), 67166#(<= ULTIMATE.start_main_~y~4 56), 67169#(<= ULTIMATE.start_main_~y~4 59), 67168#(<= ULTIMATE.start_main_~y~4 58), 67171#(<= ULTIMATE.start_main_~y~4 61), 67170#(<= ULTIMATE.start_main_~y~4 60), 67173#(<= ULTIMATE.start_main_~y~4 63), 67172#(<= ULTIMATE.start_main_~y~4 62), 67175#(<= ULTIMATE.start_main_~y~4 65), 67174#(<= ULTIMATE.start_main_~y~4 64), 67177#(<= ULTIMATE.start_main_~y~4 67), 67176#(<= ULTIMATE.start_main_~y~4 66), 67179#(<= ULTIMATE.start_main_~y~4 69), 67178#(<= ULTIMATE.start_main_~y~4 68), 67181#(<= ULTIMATE.start_main_~y~4 71), 67180#(<= ULTIMATE.start_main_~y~4 70), 67183#(<= ULTIMATE.start_main_~y~4 73), 67182#(<= ULTIMATE.start_main_~y~4 72), 67185#(<= ULTIMATE.start_main_~y~4 75), 67184#(<= ULTIMATE.start_main_~y~4 74), 67187#(<= ULTIMATE.start_main_~y~4 77), 67186#(<= ULTIMATE.start_main_~y~4 76), 67189#(<= ULTIMATE.start_main_~y~4 79), 67188#(<= ULTIMATE.start_main_~y~4 78), 67191#(<= ULTIMATE.start_main_~y~4 81), 67190#(<= ULTIMATE.start_main_~y~4 80), 67193#(<= ULTIMATE.start_main_~y~4 83), 67192#(<= ULTIMATE.start_main_~y~4 82), 67195#(<= ULTIMATE.start_main_~y~4 85), 67194#(<= ULTIMATE.start_main_~y~4 84), 67197#(<= ULTIMATE.start_main_~y~4 87), 67196#(<= ULTIMATE.start_main_~y~4 86), 67199#(<= ULTIMATE.start_main_~y~4 89), 67198#(<= ULTIMATE.start_main_~y~4 88), 67201#(<= ULTIMATE.start_main_~y~4 91), 67200#(<= ULTIMATE.start_main_~y~4 90), 67203#(<= ULTIMATE.start_main_~y~4 93), 67202#(<= ULTIMATE.start_main_~y~4 92), 67205#(<= ULTIMATE.start_main_~y~4 95), 67204#(<= ULTIMATE.start_main_~y~4 94), 67207#(<= ULTIMATE.start_main_~y~4 97), 67206#(<= ULTIMATE.start_main_~y~4 96), 67209#(<= ULTIMATE.start_main_~y~4 99), 67208#(<= ULTIMATE.start_main_~y~4 98), 67211#(<= ULTIMATE.start_main_~y~4 101), 67210#(<= ULTIMATE.start_main_~y~4 100), 67213#(<= ULTIMATE.start_main_~y~4 103), 67212#(<= ULTIMATE.start_main_~y~4 102), 67215#(<= ULTIMATE.start_main_~y~4 105), 67214#(<= ULTIMATE.start_main_~y~4 104), 67217#(<= ULTIMATE.start_main_~y~4 107), 67216#(<= ULTIMATE.start_main_~y~4 106), 67219#(<= ULTIMATE.start_main_~y~4 109), 67218#(<= ULTIMATE.start_main_~y~4 108), 67221#(<= ULTIMATE.start_main_~y~4 111), 67220#(<= ULTIMATE.start_main_~y~4 110), 67223#(<= ULTIMATE.start_main_~y~4 113), 67222#(<= ULTIMATE.start_main_~y~4 112), 67225#(<= ULTIMATE.start_main_~y~4 115), 67224#(<= ULTIMATE.start_main_~y~4 114), 67227#(<= ULTIMATE.start_main_~y~4 117), 67226#(<= ULTIMATE.start_main_~y~4 116), 67229#(<= ULTIMATE.start_main_~y~4 119), 67228#(<= ULTIMATE.start_main_~y~4 118), 67231#(<= ULTIMATE.start_main_~y~4 121), 67230#(<= ULTIMATE.start_main_~y~4 120), 67233#(<= ULTIMATE.start_main_~y~4 123), 67232#(<= ULTIMATE.start_main_~y~4 122), 67235#(<= ULTIMATE.start_main_~y~4 125), 67234#(<= ULTIMATE.start_main_~y~4 124), 67237#(<= ULTIMATE.start_main_~y~4 127), 67236#(<= ULTIMATE.start_main_~y~4 126), 67239#(<= ULTIMATE.start_main_~y~4 129), 67238#(<= ULTIMATE.start_main_~y~4 128), 67241#(<= ULTIMATE.start_main_~y~4 131), 67240#(<= ULTIMATE.start_main_~y~4 130), 67243#(<= ULTIMATE.start_main_~y~4 133), 67242#(<= ULTIMATE.start_main_~y~4 132), 67245#(<= ULTIMATE.start_main_~y~4 135), 67244#(<= ULTIMATE.start_main_~y~4 134), 67247#(<= ULTIMATE.start_main_~y~4 137), 67246#(<= ULTIMATE.start_main_~y~4 136), 67249#(<= ULTIMATE.start_main_~y~4 139), 67248#(<= ULTIMATE.start_main_~y~4 138), 67251#(<= ULTIMATE.start_main_~y~4 141), 67250#(<= ULTIMATE.start_main_~y~4 140), 67253#(<= ULTIMATE.start_main_~y~4 143), 67252#(<= ULTIMATE.start_main_~y~4 142), 67255#(<= ULTIMATE.start_main_~y~4 145), 67254#(<= ULTIMATE.start_main_~y~4 144), 67257#(<= ULTIMATE.start_main_~y~4 147), 67256#(<= ULTIMATE.start_main_~y~4 146), 67259#(<= ULTIMATE.start_main_~y~4 149), 67258#(<= ULTIMATE.start_main_~y~4 148), 67261#(<= ULTIMATE.start_main_~y~4 151), 67260#(<= ULTIMATE.start_main_~y~4 150), 67263#(<= ULTIMATE.start_main_~y~4 153), 67262#(<= ULTIMATE.start_main_~y~4 152), 67265#(<= ULTIMATE.start_main_~y~4 155), 67264#(<= ULTIMATE.start_main_~y~4 154), 67267#(<= ULTIMATE.start_main_~y~4 157), 67266#(<= ULTIMATE.start_main_~y~4 156), 67269#(<= ULTIMATE.start_main_~y~4 159), 67268#(<= ULTIMATE.start_main_~y~4 158)] [2018-07-23 13:38:27,095 INFO L134 CoverageAnalysis]: Checked inductivity of 12720 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:27,095 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:38:27,097 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:38:27,097 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:38:27,097 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 162 states. [2018-07-23 13:38:27,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:27,626 INFO L93 Difference]: Finished difference Result 166 states and 166 transitions. [2018-07-23 13:38:27,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:38:27,626 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 162 [2018-07-23 13:38:27,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:27,627 INFO L225 Difference]: With dead ends: 166 [2018-07-23 13:38:27,627 INFO L226 Difference]: Without dead ends: 164 [2018-07-23 13:38:27,628 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:38:27,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-07-23 13:38:27,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-07-23 13:38:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-07-23 13:38:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2018-07-23 13:38:27,631 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 164 transitions. Word has length 162 [2018-07-23 13:38:27,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:27,631 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 164 transitions. [2018-07-23 13:38:27,632 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:38:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2018-07-23 13:38:27,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-07-23 13:38:27,632 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:27,632 INFO L357 BasicCegarLoop]: trace histogram [160, 1, 1, 1] [2018-07-23 13:38:27,633 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:27,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1343344387, now seen corresponding path program 160 times [2018-07-23 13:38:27,633 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 12880 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:28,325 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:28,325 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:38:28,325 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:28,326 INFO L185 omatonBuilderFactory]: Interpolants [67931#false, 67930#true, 67933#(<= ULTIMATE.start_main_~y~4 1), 67932#(<= ULTIMATE.start_main_~y~4 0), 67935#(<= ULTIMATE.start_main_~y~4 3), 67934#(<= ULTIMATE.start_main_~y~4 2), 67937#(<= ULTIMATE.start_main_~y~4 5), 67936#(<= ULTIMATE.start_main_~y~4 4), 67939#(<= ULTIMATE.start_main_~y~4 7), 67938#(<= ULTIMATE.start_main_~y~4 6), 67941#(<= ULTIMATE.start_main_~y~4 9), 67940#(<= ULTIMATE.start_main_~y~4 8), 67943#(<= ULTIMATE.start_main_~y~4 11), 67942#(<= ULTIMATE.start_main_~y~4 10), 67945#(<= ULTIMATE.start_main_~y~4 13), 67944#(<= ULTIMATE.start_main_~y~4 12), 67947#(<= ULTIMATE.start_main_~y~4 15), 67946#(<= ULTIMATE.start_main_~y~4 14), 67949#(<= ULTIMATE.start_main_~y~4 17), 67948#(<= ULTIMATE.start_main_~y~4 16), 67951#(<= ULTIMATE.start_main_~y~4 19), 67950#(<= ULTIMATE.start_main_~y~4 18), 67953#(<= ULTIMATE.start_main_~y~4 21), 67952#(<= ULTIMATE.start_main_~y~4 20), 67955#(<= ULTIMATE.start_main_~y~4 23), 67954#(<= ULTIMATE.start_main_~y~4 22), 67957#(<= ULTIMATE.start_main_~y~4 25), 67956#(<= ULTIMATE.start_main_~y~4 24), 67959#(<= ULTIMATE.start_main_~y~4 27), 67958#(<= ULTIMATE.start_main_~y~4 26), 67961#(<= ULTIMATE.start_main_~y~4 29), 67960#(<= ULTIMATE.start_main_~y~4 28), 67963#(<= ULTIMATE.start_main_~y~4 31), 67962#(<= ULTIMATE.start_main_~y~4 30), 67965#(<= ULTIMATE.start_main_~y~4 33), 67964#(<= ULTIMATE.start_main_~y~4 32), 67967#(<= ULTIMATE.start_main_~y~4 35), 67966#(<= ULTIMATE.start_main_~y~4 34), 67969#(<= ULTIMATE.start_main_~y~4 37), 67968#(<= ULTIMATE.start_main_~y~4 36), 67971#(<= ULTIMATE.start_main_~y~4 39), 67970#(<= ULTIMATE.start_main_~y~4 38), 67973#(<= ULTIMATE.start_main_~y~4 41), 67972#(<= ULTIMATE.start_main_~y~4 40), 67975#(<= ULTIMATE.start_main_~y~4 43), 67974#(<= ULTIMATE.start_main_~y~4 42), 67977#(<= ULTIMATE.start_main_~y~4 45), 67976#(<= ULTIMATE.start_main_~y~4 44), 67979#(<= ULTIMATE.start_main_~y~4 47), 67978#(<= ULTIMATE.start_main_~y~4 46), 67981#(<= ULTIMATE.start_main_~y~4 49), 67980#(<= ULTIMATE.start_main_~y~4 48), 67983#(<= ULTIMATE.start_main_~y~4 51), 67982#(<= ULTIMATE.start_main_~y~4 50), 67985#(<= ULTIMATE.start_main_~y~4 53), 67984#(<= ULTIMATE.start_main_~y~4 52), 67987#(<= ULTIMATE.start_main_~y~4 55), 67986#(<= ULTIMATE.start_main_~y~4 54), 67989#(<= ULTIMATE.start_main_~y~4 57), 67988#(<= ULTIMATE.start_main_~y~4 56), 67991#(<= ULTIMATE.start_main_~y~4 59), 67990#(<= ULTIMATE.start_main_~y~4 58), 67993#(<= ULTIMATE.start_main_~y~4 61), 67992#(<= ULTIMATE.start_main_~y~4 60), 67995#(<= ULTIMATE.start_main_~y~4 63), 67994#(<= ULTIMATE.start_main_~y~4 62), 67997#(<= ULTIMATE.start_main_~y~4 65), 67996#(<= ULTIMATE.start_main_~y~4 64), 67999#(<= ULTIMATE.start_main_~y~4 67), 67998#(<= ULTIMATE.start_main_~y~4 66), 68001#(<= ULTIMATE.start_main_~y~4 69), 68000#(<= ULTIMATE.start_main_~y~4 68), 68003#(<= ULTIMATE.start_main_~y~4 71), 68002#(<= ULTIMATE.start_main_~y~4 70), 68005#(<= ULTIMATE.start_main_~y~4 73), 68004#(<= ULTIMATE.start_main_~y~4 72), 68007#(<= ULTIMATE.start_main_~y~4 75), 68006#(<= ULTIMATE.start_main_~y~4 74), 68009#(<= ULTIMATE.start_main_~y~4 77), 68008#(<= ULTIMATE.start_main_~y~4 76), 68011#(<= ULTIMATE.start_main_~y~4 79), 68010#(<= ULTIMATE.start_main_~y~4 78), 68013#(<= ULTIMATE.start_main_~y~4 81), 68012#(<= ULTIMATE.start_main_~y~4 80), 68015#(<= ULTIMATE.start_main_~y~4 83), 68014#(<= ULTIMATE.start_main_~y~4 82), 68017#(<= ULTIMATE.start_main_~y~4 85), 68016#(<= ULTIMATE.start_main_~y~4 84), 68019#(<= ULTIMATE.start_main_~y~4 87), 68018#(<= ULTIMATE.start_main_~y~4 86), 68021#(<= ULTIMATE.start_main_~y~4 89), 68020#(<= ULTIMATE.start_main_~y~4 88), 68023#(<= ULTIMATE.start_main_~y~4 91), 68022#(<= ULTIMATE.start_main_~y~4 90), 68025#(<= ULTIMATE.start_main_~y~4 93), 68024#(<= ULTIMATE.start_main_~y~4 92), 68027#(<= ULTIMATE.start_main_~y~4 95), 68026#(<= ULTIMATE.start_main_~y~4 94), 68029#(<= ULTIMATE.start_main_~y~4 97), 68028#(<= ULTIMATE.start_main_~y~4 96), 68031#(<= ULTIMATE.start_main_~y~4 99), 68030#(<= ULTIMATE.start_main_~y~4 98), 68033#(<= ULTIMATE.start_main_~y~4 101), 68032#(<= ULTIMATE.start_main_~y~4 100), 68035#(<= ULTIMATE.start_main_~y~4 103), 68034#(<= ULTIMATE.start_main_~y~4 102), 68037#(<= ULTIMATE.start_main_~y~4 105), 68036#(<= ULTIMATE.start_main_~y~4 104), 68039#(<= ULTIMATE.start_main_~y~4 107), 68038#(<= ULTIMATE.start_main_~y~4 106), 68041#(<= ULTIMATE.start_main_~y~4 109), 68040#(<= ULTIMATE.start_main_~y~4 108), 68043#(<= ULTIMATE.start_main_~y~4 111), 68042#(<= ULTIMATE.start_main_~y~4 110), 68045#(<= ULTIMATE.start_main_~y~4 113), 68044#(<= ULTIMATE.start_main_~y~4 112), 68047#(<= ULTIMATE.start_main_~y~4 115), 68046#(<= ULTIMATE.start_main_~y~4 114), 68049#(<= ULTIMATE.start_main_~y~4 117), 68048#(<= ULTIMATE.start_main_~y~4 116), 68051#(<= ULTIMATE.start_main_~y~4 119), 68050#(<= ULTIMATE.start_main_~y~4 118), 68053#(<= ULTIMATE.start_main_~y~4 121), 68052#(<= ULTIMATE.start_main_~y~4 120), 68055#(<= ULTIMATE.start_main_~y~4 123), 68054#(<= ULTIMATE.start_main_~y~4 122), 68057#(<= ULTIMATE.start_main_~y~4 125), 68056#(<= ULTIMATE.start_main_~y~4 124), 68059#(<= ULTIMATE.start_main_~y~4 127), 68058#(<= ULTIMATE.start_main_~y~4 126), 68061#(<= ULTIMATE.start_main_~y~4 129), 68060#(<= ULTIMATE.start_main_~y~4 128), 68063#(<= ULTIMATE.start_main_~y~4 131), 68062#(<= ULTIMATE.start_main_~y~4 130), 68065#(<= ULTIMATE.start_main_~y~4 133), 68064#(<= ULTIMATE.start_main_~y~4 132), 68067#(<= ULTIMATE.start_main_~y~4 135), 68066#(<= ULTIMATE.start_main_~y~4 134), 68069#(<= ULTIMATE.start_main_~y~4 137), 68068#(<= ULTIMATE.start_main_~y~4 136), 68071#(<= ULTIMATE.start_main_~y~4 139), 68070#(<= ULTIMATE.start_main_~y~4 138), 68073#(<= ULTIMATE.start_main_~y~4 141), 68072#(<= ULTIMATE.start_main_~y~4 140), 68075#(<= ULTIMATE.start_main_~y~4 143), 68074#(<= ULTIMATE.start_main_~y~4 142), 68077#(<= ULTIMATE.start_main_~y~4 145), 68076#(<= ULTIMATE.start_main_~y~4 144), 68079#(<= ULTIMATE.start_main_~y~4 147), 68078#(<= ULTIMATE.start_main_~y~4 146), 68081#(<= ULTIMATE.start_main_~y~4 149), 68080#(<= ULTIMATE.start_main_~y~4 148), 68083#(<= ULTIMATE.start_main_~y~4 151), 68082#(<= ULTIMATE.start_main_~y~4 150), 68085#(<= ULTIMATE.start_main_~y~4 153), 68084#(<= ULTIMATE.start_main_~y~4 152), 68087#(<= ULTIMATE.start_main_~y~4 155), 68086#(<= ULTIMATE.start_main_~y~4 154), 68089#(<= ULTIMATE.start_main_~y~4 157), 68088#(<= ULTIMATE.start_main_~y~4 156), 68091#(<= ULTIMATE.start_main_~y~4 159), 68090#(<= ULTIMATE.start_main_~y~4 158), 68092#(<= ULTIMATE.start_main_~y~4 160)] [2018-07-23 13:38:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12880 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:28,326 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:38:28,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:38:28,329 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:38:28,329 INFO L87 Difference]: Start difference. First operand 164 states and 164 transitions. Second operand 163 states. [2018-07-23 13:38:28,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:28,841 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:38:28,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:38:28,841 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 163 [2018-07-23 13:38:28,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:28,842 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:38:28,842 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:38:28,843 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:38:28,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:38:28,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:38:28,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:38:28,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:38:28,845 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 163 [2018-07-23 13:38:28,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:28,846 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:38:28,846 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:38:28,846 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:38:28,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:38:28,846 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:28,847 INFO L357 BasicCegarLoop]: trace histogram [161, 1, 1, 1] [2018-07-23 13:38:28,847 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:28,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1305995156, now seen corresponding path program 161 times [2018-07-23 13:38:28,847 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:29,500 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:29,501 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:38:29,501 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:29,501 INFO L185 omatonBuilderFactory]: Interpolants [68865#(<= ULTIMATE.start_main_~y~4 106), 68864#(<= ULTIMATE.start_main_~y~4 105), 68867#(<= ULTIMATE.start_main_~y~4 108), 68866#(<= ULTIMATE.start_main_~y~4 107), 68869#(<= ULTIMATE.start_main_~y~4 110), 68868#(<= ULTIMATE.start_main_~y~4 109), 68871#(<= ULTIMATE.start_main_~y~4 112), 68870#(<= ULTIMATE.start_main_~y~4 111), 68873#(<= ULTIMATE.start_main_~y~4 114), 68872#(<= ULTIMATE.start_main_~y~4 113), 68875#(<= ULTIMATE.start_main_~y~4 116), 68874#(<= ULTIMATE.start_main_~y~4 115), 68877#(<= ULTIMATE.start_main_~y~4 118), 68876#(<= ULTIMATE.start_main_~y~4 117), 68879#(<= ULTIMATE.start_main_~y~4 120), 68878#(<= ULTIMATE.start_main_~y~4 119), 68881#(<= ULTIMATE.start_main_~y~4 122), 68880#(<= ULTIMATE.start_main_~y~4 121), 68883#(<= ULTIMATE.start_main_~y~4 124), 68882#(<= ULTIMATE.start_main_~y~4 123), 68885#(<= ULTIMATE.start_main_~y~4 126), 68884#(<= ULTIMATE.start_main_~y~4 125), 68887#(<= ULTIMATE.start_main_~y~4 128), 68886#(<= ULTIMATE.start_main_~y~4 127), 68889#(<= ULTIMATE.start_main_~y~4 130), 68888#(<= ULTIMATE.start_main_~y~4 129), 68891#(<= ULTIMATE.start_main_~y~4 132), 68890#(<= ULTIMATE.start_main_~y~4 131), 68893#(<= ULTIMATE.start_main_~y~4 134), 68892#(<= ULTIMATE.start_main_~y~4 133), 68895#(<= ULTIMATE.start_main_~y~4 136), 68894#(<= ULTIMATE.start_main_~y~4 135), 68897#(<= ULTIMATE.start_main_~y~4 138), 68896#(<= ULTIMATE.start_main_~y~4 137), 68899#(<= ULTIMATE.start_main_~y~4 140), 68898#(<= ULTIMATE.start_main_~y~4 139), 68901#(<= ULTIMATE.start_main_~y~4 142), 68900#(<= ULTIMATE.start_main_~y~4 141), 68903#(<= ULTIMATE.start_main_~y~4 144), 68902#(<= ULTIMATE.start_main_~y~4 143), 68905#(<= ULTIMATE.start_main_~y~4 146), 68904#(<= ULTIMATE.start_main_~y~4 145), 68907#(<= ULTIMATE.start_main_~y~4 148), 68906#(<= ULTIMATE.start_main_~y~4 147), 68909#(<= ULTIMATE.start_main_~y~4 150), 68908#(<= ULTIMATE.start_main_~y~4 149), 68911#(<= ULTIMATE.start_main_~y~4 152), 68910#(<= ULTIMATE.start_main_~y~4 151), 68913#(<= ULTIMATE.start_main_~y~4 154), 68912#(<= ULTIMATE.start_main_~y~4 153), 68915#(<= ULTIMATE.start_main_~y~4 156), 68914#(<= ULTIMATE.start_main_~y~4 155), 68917#(<= ULTIMATE.start_main_~y~4 158), 68916#(<= ULTIMATE.start_main_~y~4 157), 68919#(<= ULTIMATE.start_main_~y~4 160), 68918#(<= ULTIMATE.start_main_~y~4 159), 68920#(<= ULTIMATE.start_main_~y~4 161), 68757#true, 68759#(<= ULTIMATE.start_main_~y~4 0), 68758#false, 68761#(<= ULTIMATE.start_main_~y~4 2), 68760#(<= ULTIMATE.start_main_~y~4 1), 68763#(<= ULTIMATE.start_main_~y~4 4), 68762#(<= ULTIMATE.start_main_~y~4 3), 68765#(<= ULTIMATE.start_main_~y~4 6), 68764#(<= ULTIMATE.start_main_~y~4 5), 68767#(<= ULTIMATE.start_main_~y~4 8), 68766#(<= ULTIMATE.start_main_~y~4 7), 68769#(<= ULTIMATE.start_main_~y~4 10), 68768#(<= ULTIMATE.start_main_~y~4 9), 68771#(<= ULTIMATE.start_main_~y~4 12), 68770#(<= ULTIMATE.start_main_~y~4 11), 68773#(<= ULTIMATE.start_main_~y~4 14), 68772#(<= ULTIMATE.start_main_~y~4 13), 68775#(<= ULTIMATE.start_main_~y~4 16), 68774#(<= ULTIMATE.start_main_~y~4 15), 68777#(<= ULTIMATE.start_main_~y~4 18), 68776#(<= ULTIMATE.start_main_~y~4 17), 68779#(<= ULTIMATE.start_main_~y~4 20), 68778#(<= ULTIMATE.start_main_~y~4 19), 68781#(<= ULTIMATE.start_main_~y~4 22), 68780#(<= ULTIMATE.start_main_~y~4 21), 68783#(<= ULTIMATE.start_main_~y~4 24), 68782#(<= ULTIMATE.start_main_~y~4 23), 68785#(<= ULTIMATE.start_main_~y~4 26), 68784#(<= ULTIMATE.start_main_~y~4 25), 68787#(<= ULTIMATE.start_main_~y~4 28), 68786#(<= ULTIMATE.start_main_~y~4 27), 68789#(<= ULTIMATE.start_main_~y~4 30), 68788#(<= ULTIMATE.start_main_~y~4 29), 68791#(<= ULTIMATE.start_main_~y~4 32), 68790#(<= ULTIMATE.start_main_~y~4 31), 68793#(<= ULTIMATE.start_main_~y~4 34), 68792#(<= ULTIMATE.start_main_~y~4 33), 68795#(<= ULTIMATE.start_main_~y~4 36), 68794#(<= ULTIMATE.start_main_~y~4 35), 68797#(<= ULTIMATE.start_main_~y~4 38), 68796#(<= ULTIMATE.start_main_~y~4 37), 68799#(<= ULTIMATE.start_main_~y~4 40), 68798#(<= ULTIMATE.start_main_~y~4 39), 68801#(<= ULTIMATE.start_main_~y~4 42), 68800#(<= ULTIMATE.start_main_~y~4 41), 68803#(<= ULTIMATE.start_main_~y~4 44), 68802#(<= ULTIMATE.start_main_~y~4 43), 68805#(<= ULTIMATE.start_main_~y~4 46), 68804#(<= ULTIMATE.start_main_~y~4 45), 68807#(<= ULTIMATE.start_main_~y~4 48), 68806#(<= ULTIMATE.start_main_~y~4 47), 68809#(<= ULTIMATE.start_main_~y~4 50), 68808#(<= ULTIMATE.start_main_~y~4 49), 68811#(<= ULTIMATE.start_main_~y~4 52), 68810#(<= ULTIMATE.start_main_~y~4 51), 68813#(<= ULTIMATE.start_main_~y~4 54), 68812#(<= ULTIMATE.start_main_~y~4 53), 68815#(<= ULTIMATE.start_main_~y~4 56), 68814#(<= ULTIMATE.start_main_~y~4 55), 68817#(<= ULTIMATE.start_main_~y~4 58), 68816#(<= ULTIMATE.start_main_~y~4 57), 68819#(<= ULTIMATE.start_main_~y~4 60), 68818#(<= ULTIMATE.start_main_~y~4 59), 68821#(<= ULTIMATE.start_main_~y~4 62), 68820#(<= ULTIMATE.start_main_~y~4 61), 68823#(<= ULTIMATE.start_main_~y~4 64), 68822#(<= ULTIMATE.start_main_~y~4 63), 68825#(<= ULTIMATE.start_main_~y~4 66), 68824#(<= ULTIMATE.start_main_~y~4 65), 68827#(<= ULTIMATE.start_main_~y~4 68), 68826#(<= ULTIMATE.start_main_~y~4 67), 68829#(<= ULTIMATE.start_main_~y~4 70), 68828#(<= ULTIMATE.start_main_~y~4 69), 68831#(<= ULTIMATE.start_main_~y~4 72), 68830#(<= ULTIMATE.start_main_~y~4 71), 68833#(<= ULTIMATE.start_main_~y~4 74), 68832#(<= ULTIMATE.start_main_~y~4 73), 68835#(<= ULTIMATE.start_main_~y~4 76), 68834#(<= ULTIMATE.start_main_~y~4 75), 68837#(<= ULTIMATE.start_main_~y~4 78), 68836#(<= ULTIMATE.start_main_~y~4 77), 68839#(<= ULTIMATE.start_main_~y~4 80), 68838#(<= ULTIMATE.start_main_~y~4 79), 68841#(<= ULTIMATE.start_main_~y~4 82), 68840#(<= ULTIMATE.start_main_~y~4 81), 68843#(<= ULTIMATE.start_main_~y~4 84), 68842#(<= ULTIMATE.start_main_~y~4 83), 68845#(<= ULTIMATE.start_main_~y~4 86), 68844#(<= ULTIMATE.start_main_~y~4 85), 68847#(<= ULTIMATE.start_main_~y~4 88), 68846#(<= ULTIMATE.start_main_~y~4 87), 68849#(<= ULTIMATE.start_main_~y~4 90), 68848#(<= ULTIMATE.start_main_~y~4 89), 68851#(<= ULTIMATE.start_main_~y~4 92), 68850#(<= ULTIMATE.start_main_~y~4 91), 68853#(<= ULTIMATE.start_main_~y~4 94), 68852#(<= ULTIMATE.start_main_~y~4 93), 68855#(<= ULTIMATE.start_main_~y~4 96), 68854#(<= ULTIMATE.start_main_~y~4 95), 68857#(<= ULTIMATE.start_main_~y~4 98), 68856#(<= ULTIMATE.start_main_~y~4 97), 68859#(<= ULTIMATE.start_main_~y~4 100), 68858#(<= ULTIMATE.start_main_~y~4 99), 68861#(<= ULTIMATE.start_main_~y~4 102), 68860#(<= ULTIMATE.start_main_~y~4 101), 68863#(<= ULTIMATE.start_main_~y~4 104), 68862#(<= ULTIMATE.start_main_~y~4 103)] [2018-07-23 13:38:29,502 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:29,502 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:38:29,504 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:38:29,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:38:29,505 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 164 states. [2018-07-23 13:38:29,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:29,695 INFO L93 Difference]: Finished difference Result 168 states and 168 transitions. [2018-07-23 13:38:29,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:38:29,695 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 164 [2018-07-23 13:38:29,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:29,696 INFO L225 Difference]: With dead ends: 168 [2018-07-23 13:38:29,696 INFO L226 Difference]: Without dead ends: 166 [2018-07-23 13:38:29,697 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:38:29,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-07-23 13:38:29,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-07-23 13:38:29,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-07-23 13:38:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 166 transitions. [2018-07-23 13:38:29,700 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 166 transitions. Word has length 164 [2018-07-23 13:38:29,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:29,701 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 166 transitions. [2018-07-23 13:38:29,701 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:38:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 166 transitions. [2018-07-23 13:38:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-07-23 13:38:29,702 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:29,702 INFO L357 BasicCegarLoop]: trace histogram [162, 1, 1, 1] [2018-07-23 13:38:29,702 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:29,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1831142365, now seen corresponding path program 162 times [2018-07-23 13:38:29,702 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 13203 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:30,483 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:30,483 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:38:30,483 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:30,484 INFO L185 omatonBuilderFactory]: Interpolants [69633#(<= ULTIMATE.start_main_~y~4 42), 69632#(<= ULTIMATE.start_main_~y~4 41), 69635#(<= ULTIMATE.start_main_~y~4 44), 69634#(<= ULTIMATE.start_main_~y~4 43), 69637#(<= ULTIMATE.start_main_~y~4 46), 69636#(<= ULTIMATE.start_main_~y~4 45), 69639#(<= ULTIMATE.start_main_~y~4 48), 69638#(<= ULTIMATE.start_main_~y~4 47), 69641#(<= ULTIMATE.start_main_~y~4 50), 69640#(<= ULTIMATE.start_main_~y~4 49), 69643#(<= ULTIMATE.start_main_~y~4 52), 69642#(<= ULTIMATE.start_main_~y~4 51), 69645#(<= ULTIMATE.start_main_~y~4 54), 69644#(<= ULTIMATE.start_main_~y~4 53), 69647#(<= ULTIMATE.start_main_~y~4 56), 69646#(<= ULTIMATE.start_main_~y~4 55), 69649#(<= ULTIMATE.start_main_~y~4 58), 69648#(<= ULTIMATE.start_main_~y~4 57), 69651#(<= ULTIMATE.start_main_~y~4 60), 69650#(<= ULTIMATE.start_main_~y~4 59), 69653#(<= ULTIMATE.start_main_~y~4 62), 69652#(<= ULTIMATE.start_main_~y~4 61), 69655#(<= ULTIMATE.start_main_~y~4 64), 69654#(<= ULTIMATE.start_main_~y~4 63), 69657#(<= ULTIMATE.start_main_~y~4 66), 69656#(<= ULTIMATE.start_main_~y~4 65), 69659#(<= ULTIMATE.start_main_~y~4 68), 69658#(<= ULTIMATE.start_main_~y~4 67), 69661#(<= ULTIMATE.start_main_~y~4 70), 69660#(<= ULTIMATE.start_main_~y~4 69), 69663#(<= ULTIMATE.start_main_~y~4 72), 69662#(<= ULTIMATE.start_main_~y~4 71), 69665#(<= ULTIMATE.start_main_~y~4 74), 69664#(<= ULTIMATE.start_main_~y~4 73), 69667#(<= ULTIMATE.start_main_~y~4 76), 69666#(<= ULTIMATE.start_main_~y~4 75), 69669#(<= ULTIMATE.start_main_~y~4 78), 69668#(<= ULTIMATE.start_main_~y~4 77), 69671#(<= ULTIMATE.start_main_~y~4 80), 69670#(<= ULTIMATE.start_main_~y~4 79), 69673#(<= ULTIMATE.start_main_~y~4 82), 69672#(<= ULTIMATE.start_main_~y~4 81), 69675#(<= ULTIMATE.start_main_~y~4 84), 69674#(<= ULTIMATE.start_main_~y~4 83), 69677#(<= ULTIMATE.start_main_~y~4 86), 69676#(<= ULTIMATE.start_main_~y~4 85), 69679#(<= ULTIMATE.start_main_~y~4 88), 69678#(<= ULTIMATE.start_main_~y~4 87), 69681#(<= ULTIMATE.start_main_~y~4 90), 69680#(<= ULTIMATE.start_main_~y~4 89), 69683#(<= ULTIMATE.start_main_~y~4 92), 69682#(<= ULTIMATE.start_main_~y~4 91), 69685#(<= ULTIMATE.start_main_~y~4 94), 69684#(<= ULTIMATE.start_main_~y~4 93), 69687#(<= ULTIMATE.start_main_~y~4 96), 69686#(<= ULTIMATE.start_main_~y~4 95), 69689#(<= ULTIMATE.start_main_~y~4 98), 69688#(<= ULTIMATE.start_main_~y~4 97), 69691#(<= ULTIMATE.start_main_~y~4 100), 69690#(<= ULTIMATE.start_main_~y~4 99), 69693#(<= ULTIMATE.start_main_~y~4 102), 69692#(<= ULTIMATE.start_main_~y~4 101), 69695#(<= ULTIMATE.start_main_~y~4 104), 69694#(<= ULTIMATE.start_main_~y~4 103), 69697#(<= ULTIMATE.start_main_~y~4 106), 69696#(<= ULTIMATE.start_main_~y~4 105), 69699#(<= ULTIMATE.start_main_~y~4 108), 69698#(<= ULTIMATE.start_main_~y~4 107), 69701#(<= ULTIMATE.start_main_~y~4 110), 69700#(<= ULTIMATE.start_main_~y~4 109), 69703#(<= ULTIMATE.start_main_~y~4 112), 69702#(<= ULTIMATE.start_main_~y~4 111), 69705#(<= ULTIMATE.start_main_~y~4 114), 69704#(<= ULTIMATE.start_main_~y~4 113), 69707#(<= ULTIMATE.start_main_~y~4 116), 69706#(<= ULTIMATE.start_main_~y~4 115), 69709#(<= ULTIMATE.start_main_~y~4 118), 69708#(<= ULTIMATE.start_main_~y~4 117), 69711#(<= ULTIMATE.start_main_~y~4 120), 69710#(<= ULTIMATE.start_main_~y~4 119), 69713#(<= ULTIMATE.start_main_~y~4 122), 69712#(<= ULTIMATE.start_main_~y~4 121), 69715#(<= ULTIMATE.start_main_~y~4 124), 69714#(<= ULTIMATE.start_main_~y~4 123), 69717#(<= ULTIMATE.start_main_~y~4 126), 69716#(<= ULTIMATE.start_main_~y~4 125), 69719#(<= ULTIMATE.start_main_~y~4 128), 69718#(<= ULTIMATE.start_main_~y~4 127), 69721#(<= ULTIMATE.start_main_~y~4 130), 69720#(<= ULTIMATE.start_main_~y~4 129), 69723#(<= ULTIMATE.start_main_~y~4 132), 69722#(<= ULTIMATE.start_main_~y~4 131), 69725#(<= ULTIMATE.start_main_~y~4 134), 69724#(<= ULTIMATE.start_main_~y~4 133), 69727#(<= ULTIMATE.start_main_~y~4 136), 69726#(<= ULTIMATE.start_main_~y~4 135), 69729#(<= ULTIMATE.start_main_~y~4 138), 69728#(<= ULTIMATE.start_main_~y~4 137), 69731#(<= ULTIMATE.start_main_~y~4 140), 69730#(<= ULTIMATE.start_main_~y~4 139), 69733#(<= ULTIMATE.start_main_~y~4 142), 69732#(<= ULTIMATE.start_main_~y~4 141), 69735#(<= ULTIMATE.start_main_~y~4 144), 69734#(<= ULTIMATE.start_main_~y~4 143), 69737#(<= ULTIMATE.start_main_~y~4 146), 69736#(<= ULTIMATE.start_main_~y~4 145), 69739#(<= ULTIMATE.start_main_~y~4 148), 69738#(<= ULTIMATE.start_main_~y~4 147), 69741#(<= ULTIMATE.start_main_~y~4 150), 69740#(<= ULTIMATE.start_main_~y~4 149), 69743#(<= ULTIMATE.start_main_~y~4 152), 69742#(<= ULTIMATE.start_main_~y~4 151), 69745#(<= ULTIMATE.start_main_~y~4 154), 69744#(<= ULTIMATE.start_main_~y~4 153), 69747#(<= ULTIMATE.start_main_~y~4 156), 69746#(<= ULTIMATE.start_main_~y~4 155), 69749#(<= ULTIMATE.start_main_~y~4 158), 69748#(<= ULTIMATE.start_main_~y~4 157), 69751#(<= ULTIMATE.start_main_~y~4 160), 69750#(<= ULTIMATE.start_main_~y~4 159), 69753#(<= ULTIMATE.start_main_~y~4 162), 69752#(<= ULTIMATE.start_main_~y~4 161), 69589#true, 69591#(<= ULTIMATE.start_main_~y~4 0), 69590#false, 69593#(<= ULTIMATE.start_main_~y~4 2), 69592#(<= ULTIMATE.start_main_~y~4 1), 69595#(<= ULTIMATE.start_main_~y~4 4), 69594#(<= ULTIMATE.start_main_~y~4 3), 69597#(<= ULTIMATE.start_main_~y~4 6), 69596#(<= ULTIMATE.start_main_~y~4 5), 69599#(<= ULTIMATE.start_main_~y~4 8), 69598#(<= ULTIMATE.start_main_~y~4 7), 69601#(<= ULTIMATE.start_main_~y~4 10), 69600#(<= ULTIMATE.start_main_~y~4 9), 69603#(<= ULTIMATE.start_main_~y~4 12), 69602#(<= ULTIMATE.start_main_~y~4 11), 69605#(<= ULTIMATE.start_main_~y~4 14), 69604#(<= ULTIMATE.start_main_~y~4 13), 69607#(<= ULTIMATE.start_main_~y~4 16), 69606#(<= ULTIMATE.start_main_~y~4 15), 69609#(<= ULTIMATE.start_main_~y~4 18), 69608#(<= ULTIMATE.start_main_~y~4 17), 69611#(<= ULTIMATE.start_main_~y~4 20), 69610#(<= ULTIMATE.start_main_~y~4 19), 69613#(<= ULTIMATE.start_main_~y~4 22), 69612#(<= ULTIMATE.start_main_~y~4 21), 69615#(<= ULTIMATE.start_main_~y~4 24), 69614#(<= ULTIMATE.start_main_~y~4 23), 69617#(<= ULTIMATE.start_main_~y~4 26), 69616#(<= ULTIMATE.start_main_~y~4 25), 69619#(<= ULTIMATE.start_main_~y~4 28), 69618#(<= ULTIMATE.start_main_~y~4 27), 69621#(<= ULTIMATE.start_main_~y~4 30), 69620#(<= ULTIMATE.start_main_~y~4 29), 69623#(<= ULTIMATE.start_main_~y~4 32), 69622#(<= ULTIMATE.start_main_~y~4 31), 69625#(<= ULTIMATE.start_main_~y~4 34), 69624#(<= ULTIMATE.start_main_~y~4 33), 69627#(<= ULTIMATE.start_main_~y~4 36), 69626#(<= ULTIMATE.start_main_~y~4 35), 69629#(<= ULTIMATE.start_main_~y~4 38), 69628#(<= ULTIMATE.start_main_~y~4 37), 69631#(<= ULTIMATE.start_main_~y~4 40), 69630#(<= ULTIMATE.start_main_~y~4 39)] [2018-07-23 13:38:30,484 INFO L134 CoverageAnalysis]: Checked inductivity of 13203 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:30,485 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:38:30,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:38:30,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:38:30,487 INFO L87 Difference]: Start difference. First operand 166 states and 166 transitions. Second operand 165 states. [2018-07-23 13:38:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:30,879 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:38:30,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:38:30,880 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 165 [2018-07-23 13:38:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:30,880 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:38:30,880 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:38:30,882 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:38:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:38:30,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:38:30,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:38:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:38:30,884 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 165 [2018-07-23 13:38:30,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:30,884 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:38:30,884 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:38:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:38:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:38:30,885 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:30,885 INFO L357 BasicCegarLoop]: trace histogram [163, 1, 1, 1] [2018-07-23 13:38:30,885 INFO L414 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:30,885 INFO L82 PathProgramCache]: Analyzing trace with hash -930836660, now seen corresponding path program 163 times [2018-07-23 13:38:30,885 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:31,585 INFO L134 CoverageAnalysis]: Checked inductivity of 13366 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:31,585 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:31,585 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:38:31,585 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:31,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:31,586 INFO L185 omatonBuilderFactory]: Interpolants [70427#false, 70426#true, 70429#(<= ULTIMATE.start_main_~y~4 1), 70428#(<= ULTIMATE.start_main_~y~4 0), 70431#(<= ULTIMATE.start_main_~y~4 3), 70430#(<= ULTIMATE.start_main_~y~4 2), 70433#(<= ULTIMATE.start_main_~y~4 5), 70432#(<= ULTIMATE.start_main_~y~4 4), 70435#(<= ULTIMATE.start_main_~y~4 7), 70434#(<= ULTIMATE.start_main_~y~4 6), 70437#(<= ULTIMATE.start_main_~y~4 9), 70436#(<= ULTIMATE.start_main_~y~4 8), 70439#(<= ULTIMATE.start_main_~y~4 11), 70438#(<= ULTIMATE.start_main_~y~4 10), 70441#(<= ULTIMATE.start_main_~y~4 13), 70440#(<= ULTIMATE.start_main_~y~4 12), 70443#(<= ULTIMATE.start_main_~y~4 15), 70442#(<= ULTIMATE.start_main_~y~4 14), 70445#(<= ULTIMATE.start_main_~y~4 17), 70444#(<= ULTIMATE.start_main_~y~4 16), 70447#(<= ULTIMATE.start_main_~y~4 19), 70446#(<= ULTIMATE.start_main_~y~4 18), 70449#(<= ULTIMATE.start_main_~y~4 21), 70448#(<= ULTIMATE.start_main_~y~4 20), 70451#(<= ULTIMATE.start_main_~y~4 23), 70450#(<= ULTIMATE.start_main_~y~4 22), 70453#(<= ULTIMATE.start_main_~y~4 25), 70452#(<= ULTIMATE.start_main_~y~4 24), 70455#(<= ULTIMATE.start_main_~y~4 27), 70454#(<= ULTIMATE.start_main_~y~4 26), 70457#(<= ULTIMATE.start_main_~y~4 29), 70456#(<= ULTIMATE.start_main_~y~4 28), 70459#(<= ULTIMATE.start_main_~y~4 31), 70458#(<= ULTIMATE.start_main_~y~4 30), 70461#(<= ULTIMATE.start_main_~y~4 33), 70460#(<= ULTIMATE.start_main_~y~4 32), 70463#(<= ULTIMATE.start_main_~y~4 35), 70462#(<= ULTIMATE.start_main_~y~4 34), 70465#(<= ULTIMATE.start_main_~y~4 37), 70464#(<= ULTIMATE.start_main_~y~4 36), 70467#(<= ULTIMATE.start_main_~y~4 39), 70466#(<= ULTIMATE.start_main_~y~4 38), 70469#(<= ULTIMATE.start_main_~y~4 41), 70468#(<= ULTIMATE.start_main_~y~4 40), 70471#(<= ULTIMATE.start_main_~y~4 43), 70470#(<= ULTIMATE.start_main_~y~4 42), 70473#(<= ULTIMATE.start_main_~y~4 45), 70472#(<= ULTIMATE.start_main_~y~4 44), 70475#(<= ULTIMATE.start_main_~y~4 47), 70474#(<= ULTIMATE.start_main_~y~4 46), 70477#(<= ULTIMATE.start_main_~y~4 49), 70476#(<= ULTIMATE.start_main_~y~4 48), 70479#(<= ULTIMATE.start_main_~y~4 51), 70478#(<= ULTIMATE.start_main_~y~4 50), 70481#(<= ULTIMATE.start_main_~y~4 53), 70480#(<= ULTIMATE.start_main_~y~4 52), 70483#(<= ULTIMATE.start_main_~y~4 55), 70482#(<= ULTIMATE.start_main_~y~4 54), 70485#(<= ULTIMATE.start_main_~y~4 57), 70484#(<= ULTIMATE.start_main_~y~4 56), 70487#(<= ULTIMATE.start_main_~y~4 59), 70486#(<= ULTIMATE.start_main_~y~4 58), 70489#(<= ULTIMATE.start_main_~y~4 61), 70488#(<= ULTIMATE.start_main_~y~4 60), 70491#(<= ULTIMATE.start_main_~y~4 63), 70490#(<= ULTIMATE.start_main_~y~4 62), 70493#(<= ULTIMATE.start_main_~y~4 65), 70492#(<= ULTIMATE.start_main_~y~4 64), 70495#(<= ULTIMATE.start_main_~y~4 67), 70494#(<= ULTIMATE.start_main_~y~4 66), 70497#(<= ULTIMATE.start_main_~y~4 69), 70496#(<= ULTIMATE.start_main_~y~4 68), 70499#(<= ULTIMATE.start_main_~y~4 71), 70498#(<= ULTIMATE.start_main_~y~4 70), 70501#(<= ULTIMATE.start_main_~y~4 73), 70500#(<= ULTIMATE.start_main_~y~4 72), 70503#(<= ULTIMATE.start_main_~y~4 75), 70502#(<= ULTIMATE.start_main_~y~4 74), 70505#(<= ULTIMATE.start_main_~y~4 77), 70504#(<= ULTIMATE.start_main_~y~4 76), 70507#(<= ULTIMATE.start_main_~y~4 79), 70506#(<= ULTIMATE.start_main_~y~4 78), 70509#(<= ULTIMATE.start_main_~y~4 81), 70508#(<= ULTIMATE.start_main_~y~4 80), 70511#(<= ULTIMATE.start_main_~y~4 83), 70510#(<= ULTIMATE.start_main_~y~4 82), 70513#(<= ULTIMATE.start_main_~y~4 85), 70512#(<= ULTIMATE.start_main_~y~4 84), 70515#(<= ULTIMATE.start_main_~y~4 87), 70514#(<= ULTIMATE.start_main_~y~4 86), 70517#(<= ULTIMATE.start_main_~y~4 89), 70516#(<= ULTIMATE.start_main_~y~4 88), 70519#(<= ULTIMATE.start_main_~y~4 91), 70518#(<= ULTIMATE.start_main_~y~4 90), 70521#(<= ULTIMATE.start_main_~y~4 93), 70520#(<= ULTIMATE.start_main_~y~4 92), 70523#(<= ULTIMATE.start_main_~y~4 95), 70522#(<= ULTIMATE.start_main_~y~4 94), 70525#(<= ULTIMATE.start_main_~y~4 97), 70524#(<= ULTIMATE.start_main_~y~4 96), 70527#(<= ULTIMATE.start_main_~y~4 99), 70526#(<= ULTIMATE.start_main_~y~4 98), 70529#(<= ULTIMATE.start_main_~y~4 101), 70528#(<= ULTIMATE.start_main_~y~4 100), 70531#(<= ULTIMATE.start_main_~y~4 103), 70530#(<= ULTIMATE.start_main_~y~4 102), 70533#(<= ULTIMATE.start_main_~y~4 105), 70532#(<= ULTIMATE.start_main_~y~4 104), 70535#(<= ULTIMATE.start_main_~y~4 107), 70534#(<= ULTIMATE.start_main_~y~4 106), 70537#(<= ULTIMATE.start_main_~y~4 109), 70536#(<= ULTIMATE.start_main_~y~4 108), 70539#(<= ULTIMATE.start_main_~y~4 111), 70538#(<= ULTIMATE.start_main_~y~4 110), 70541#(<= ULTIMATE.start_main_~y~4 113), 70540#(<= ULTIMATE.start_main_~y~4 112), 70543#(<= ULTIMATE.start_main_~y~4 115), 70542#(<= ULTIMATE.start_main_~y~4 114), 70545#(<= ULTIMATE.start_main_~y~4 117), 70544#(<= ULTIMATE.start_main_~y~4 116), 70547#(<= ULTIMATE.start_main_~y~4 119), 70546#(<= ULTIMATE.start_main_~y~4 118), 70549#(<= ULTIMATE.start_main_~y~4 121), 70548#(<= ULTIMATE.start_main_~y~4 120), 70551#(<= ULTIMATE.start_main_~y~4 123), 70550#(<= ULTIMATE.start_main_~y~4 122), 70553#(<= ULTIMATE.start_main_~y~4 125), 70552#(<= ULTIMATE.start_main_~y~4 124), 70555#(<= ULTIMATE.start_main_~y~4 127), 70554#(<= ULTIMATE.start_main_~y~4 126), 70557#(<= ULTIMATE.start_main_~y~4 129), 70556#(<= ULTIMATE.start_main_~y~4 128), 70559#(<= ULTIMATE.start_main_~y~4 131), 70558#(<= ULTIMATE.start_main_~y~4 130), 70561#(<= ULTIMATE.start_main_~y~4 133), 70560#(<= ULTIMATE.start_main_~y~4 132), 70563#(<= ULTIMATE.start_main_~y~4 135), 70562#(<= ULTIMATE.start_main_~y~4 134), 70565#(<= ULTIMATE.start_main_~y~4 137), 70564#(<= ULTIMATE.start_main_~y~4 136), 70567#(<= ULTIMATE.start_main_~y~4 139), 70566#(<= ULTIMATE.start_main_~y~4 138), 70569#(<= ULTIMATE.start_main_~y~4 141), 70568#(<= ULTIMATE.start_main_~y~4 140), 70571#(<= ULTIMATE.start_main_~y~4 143), 70570#(<= ULTIMATE.start_main_~y~4 142), 70573#(<= ULTIMATE.start_main_~y~4 145), 70572#(<= ULTIMATE.start_main_~y~4 144), 70575#(<= ULTIMATE.start_main_~y~4 147), 70574#(<= ULTIMATE.start_main_~y~4 146), 70577#(<= ULTIMATE.start_main_~y~4 149), 70576#(<= ULTIMATE.start_main_~y~4 148), 70579#(<= ULTIMATE.start_main_~y~4 151), 70578#(<= ULTIMATE.start_main_~y~4 150), 70581#(<= ULTIMATE.start_main_~y~4 153), 70580#(<= ULTIMATE.start_main_~y~4 152), 70583#(<= ULTIMATE.start_main_~y~4 155), 70582#(<= ULTIMATE.start_main_~y~4 154), 70585#(<= ULTIMATE.start_main_~y~4 157), 70584#(<= ULTIMATE.start_main_~y~4 156), 70587#(<= ULTIMATE.start_main_~y~4 159), 70586#(<= ULTIMATE.start_main_~y~4 158), 70589#(<= ULTIMATE.start_main_~y~4 161), 70588#(<= ULTIMATE.start_main_~y~4 160), 70591#(<= ULTIMATE.start_main_~y~4 163), 70590#(<= ULTIMATE.start_main_~y~4 162)] [2018-07-23 13:38:31,586 INFO L134 CoverageAnalysis]: Checked inductivity of 13366 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:31,586 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:38:31,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:38:31,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:38:31,588 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 166 states. [2018-07-23 13:38:32,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:32,151 INFO L93 Difference]: Finished difference Result 170 states and 170 transitions. [2018-07-23 13:38:32,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:38:32,151 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 166 [2018-07-23 13:38:32,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:32,151 INFO L225 Difference]: With dead ends: 170 [2018-07-23 13:38:32,151 INFO L226 Difference]: Without dead ends: 168 [2018-07-23 13:38:32,152 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:38:32,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-23 13:38:32,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-07-23 13:38:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-07-23 13:38:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 168 transitions. [2018-07-23 13:38:32,154 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 168 transitions. Word has length 166 [2018-07-23 13:38:32,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:32,155 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 168 transitions. [2018-07-23 13:38:32,155 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:38:32,155 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 168 transitions. [2018-07-23 13:38:32,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-07-23 13:38:32,155 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:32,155 INFO L357 BasicCegarLoop]: trace histogram [164, 1, 1, 1] [2018-07-23 13:38:32,155 INFO L414 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:32,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1208836419, now seen corresponding path program 164 times [2018-07-23 13:38:32,156 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 13530 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:32,780 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:32,780 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:38:32,781 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:32,781 INFO L185 omatonBuilderFactory]: Interpolants [71425#(<= ULTIMATE.start_main_~y~4 155), 71424#(<= ULTIMATE.start_main_~y~4 154), 71427#(<= ULTIMATE.start_main_~y~4 157), 71426#(<= ULTIMATE.start_main_~y~4 156), 71429#(<= ULTIMATE.start_main_~y~4 159), 71428#(<= ULTIMATE.start_main_~y~4 158), 71431#(<= ULTIMATE.start_main_~y~4 161), 71430#(<= ULTIMATE.start_main_~y~4 160), 71433#(<= ULTIMATE.start_main_~y~4 163), 71432#(<= ULTIMATE.start_main_~y~4 162), 71434#(<= ULTIMATE.start_main_~y~4 164), 71269#false, 71268#true, 71271#(<= ULTIMATE.start_main_~y~4 1), 71270#(<= ULTIMATE.start_main_~y~4 0), 71273#(<= ULTIMATE.start_main_~y~4 3), 71272#(<= ULTIMATE.start_main_~y~4 2), 71275#(<= ULTIMATE.start_main_~y~4 5), 71274#(<= ULTIMATE.start_main_~y~4 4), 71277#(<= ULTIMATE.start_main_~y~4 7), 71276#(<= ULTIMATE.start_main_~y~4 6), 71279#(<= ULTIMATE.start_main_~y~4 9), 71278#(<= ULTIMATE.start_main_~y~4 8), 71281#(<= ULTIMATE.start_main_~y~4 11), 71280#(<= ULTIMATE.start_main_~y~4 10), 71283#(<= ULTIMATE.start_main_~y~4 13), 71282#(<= ULTIMATE.start_main_~y~4 12), 71285#(<= ULTIMATE.start_main_~y~4 15), 71284#(<= ULTIMATE.start_main_~y~4 14), 71287#(<= ULTIMATE.start_main_~y~4 17), 71286#(<= ULTIMATE.start_main_~y~4 16), 71289#(<= ULTIMATE.start_main_~y~4 19), 71288#(<= ULTIMATE.start_main_~y~4 18), 71291#(<= ULTIMATE.start_main_~y~4 21), 71290#(<= ULTIMATE.start_main_~y~4 20), 71293#(<= ULTIMATE.start_main_~y~4 23), 71292#(<= ULTIMATE.start_main_~y~4 22), 71295#(<= ULTIMATE.start_main_~y~4 25), 71294#(<= ULTIMATE.start_main_~y~4 24), 71297#(<= ULTIMATE.start_main_~y~4 27), 71296#(<= ULTIMATE.start_main_~y~4 26), 71299#(<= ULTIMATE.start_main_~y~4 29), 71298#(<= ULTIMATE.start_main_~y~4 28), 71301#(<= ULTIMATE.start_main_~y~4 31), 71300#(<= ULTIMATE.start_main_~y~4 30), 71303#(<= ULTIMATE.start_main_~y~4 33), 71302#(<= ULTIMATE.start_main_~y~4 32), 71305#(<= ULTIMATE.start_main_~y~4 35), 71304#(<= ULTIMATE.start_main_~y~4 34), 71307#(<= ULTIMATE.start_main_~y~4 37), 71306#(<= ULTIMATE.start_main_~y~4 36), 71309#(<= ULTIMATE.start_main_~y~4 39), 71308#(<= ULTIMATE.start_main_~y~4 38), 71311#(<= ULTIMATE.start_main_~y~4 41), 71310#(<= ULTIMATE.start_main_~y~4 40), 71313#(<= ULTIMATE.start_main_~y~4 43), 71312#(<= ULTIMATE.start_main_~y~4 42), 71315#(<= ULTIMATE.start_main_~y~4 45), 71314#(<= ULTIMATE.start_main_~y~4 44), 71317#(<= ULTIMATE.start_main_~y~4 47), 71316#(<= ULTIMATE.start_main_~y~4 46), 71319#(<= ULTIMATE.start_main_~y~4 49), 71318#(<= ULTIMATE.start_main_~y~4 48), 71321#(<= ULTIMATE.start_main_~y~4 51), 71320#(<= ULTIMATE.start_main_~y~4 50), 71323#(<= ULTIMATE.start_main_~y~4 53), 71322#(<= ULTIMATE.start_main_~y~4 52), 71325#(<= ULTIMATE.start_main_~y~4 55), 71324#(<= ULTIMATE.start_main_~y~4 54), 71327#(<= ULTIMATE.start_main_~y~4 57), 71326#(<= ULTIMATE.start_main_~y~4 56), 71329#(<= ULTIMATE.start_main_~y~4 59), 71328#(<= ULTIMATE.start_main_~y~4 58), 71331#(<= ULTIMATE.start_main_~y~4 61), 71330#(<= ULTIMATE.start_main_~y~4 60), 71333#(<= ULTIMATE.start_main_~y~4 63), 71332#(<= ULTIMATE.start_main_~y~4 62), 71335#(<= ULTIMATE.start_main_~y~4 65), 71334#(<= ULTIMATE.start_main_~y~4 64), 71337#(<= ULTIMATE.start_main_~y~4 67), 71336#(<= ULTIMATE.start_main_~y~4 66), 71339#(<= ULTIMATE.start_main_~y~4 69), 71338#(<= ULTIMATE.start_main_~y~4 68), 71341#(<= ULTIMATE.start_main_~y~4 71), 71340#(<= ULTIMATE.start_main_~y~4 70), 71343#(<= ULTIMATE.start_main_~y~4 73), 71342#(<= ULTIMATE.start_main_~y~4 72), 71345#(<= ULTIMATE.start_main_~y~4 75), 71344#(<= ULTIMATE.start_main_~y~4 74), 71347#(<= ULTIMATE.start_main_~y~4 77), 71346#(<= ULTIMATE.start_main_~y~4 76), 71349#(<= ULTIMATE.start_main_~y~4 79), 71348#(<= ULTIMATE.start_main_~y~4 78), 71351#(<= ULTIMATE.start_main_~y~4 81), 71350#(<= ULTIMATE.start_main_~y~4 80), 71353#(<= ULTIMATE.start_main_~y~4 83), 71352#(<= ULTIMATE.start_main_~y~4 82), 71355#(<= ULTIMATE.start_main_~y~4 85), 71354#(<= ULTIMATE.start_main_~y~4 84), 71357#(<= ULTIMATE.start_main_~y~4 87), 71356#(<= ULTIMATE.start_main_~y~4 86), 71359#(<= ULTIMATE.start_main_~y~4 89), 71358#(<= ULTIMATE.start_main_~y~4 88), 71361#(<= ULTIMATE.start_main_~y~4 91), 71360#(<= ULTIMATE.start_main_~y~4 90), 71363#(<= ULTIMATE.start_main_~y~4 93), 71362#(<= ULTIMATE.start_main_~y~4 92), 71365#(<= ULTIMATE.start_main_~y~4 95), 71364#(<= ULTIMATE.start_main_~y~4 94), 71367#(<= ULTIMATE.start_main_~y~4 97), 71366#(<= ULTIMATE.start_main_~y~4 96), 71369#(<= ULTIMATE.start_main_~y~4 99), 71368#(<= ULTIMATE.start_main_~y~4 98), 71371#(<= ULTIMATE.start_main_~y~4 101), 71370#(<= ULTIMATE.start_main_~y~4 100), 71373#(<= ULTIMATE.start_main_~y~4 103), 71372#(<= ULTIMATE.start_main_~y~4 102), 71375#(<= ULTIMATE.start_main_~y~4 105), 71374#(<= ULTIMATE.start_main_~y~4 104), 71377#(<= ULTIMATE.start_main_~y~4 107), 71376#(<= ULTIMATE.start_main_~y~4 106), 71379#(<= ULTIMATE.start_main_~y~4 109), 71378#(<= ULTIMATE.start_main_~y~4 108), 71381#(<= ULTIMATE.start_main_~y~4 111), 71380#(<= ULTIMATE.start_main_~y~4 110), 71383#(<= ULTIMATE.start_main_~y~4 113), 71382#(<= ULTIMATE.start_main_~y~4 112), 71385#(<= ULTIMATE.start_main_~y~4 115), 71384#(<= ULTIMATE.start_main_~y~4 114), 71387#(<= ULTIMATE.start_main_~y~4 117), 71386#(<= ULTIMATE.start_main_~y~4 116), 71389#(<= ULTIMATE.start_main_~y~4 119), 71388#(<= ULTIMATE.start_main_~y~4 118), 71391#(<= ULTIMATE.start_main_~y~4 121), 71390#(<= ULTIMATE.start_main_~y~4 120), 71393#(<= ULTIMATE.start_main_~y~4 123), 71392#(<= ULTIMATE.start_main_~y~4 122), 71395#(<= ULTIMATE.start_main_~y~4 125), 71394#(<= ULTIMATE.start_main_~y~4 124), 71397#(<= ULTIMATE.start_main_~y~4 127), 71396#(<= ULTIMATE.start_main_~y~4 126), 71399#(<= ULTIMATE.start_main_~y~4 129), 71398#(<= ULTIMATE.start_main_~y~4 128), 71401#(<= ULTIMATE.start_main_~y~4 131), 71400#(<= ULTIMATE.start_main_~y~4 130), 71403#(<= ULTIMATE.start_main_~y~4 133), 71402#(<= ULTIMATE.start_main_~y~4 132), 71405#(<= ULTIMATE.start_main_~y~4 135), 71404#(<= ULTIMATE.start_main_~y~4 134), 71407#(<= ULTIMATE.start_main_~y~4 137), 71406#(<= ULTIMATE.start_main_~y~4 136), 71409#(<= ULTIMATE.start_main_~y~4 139), 71408#(<= ULTIMATE.start_main_~y~4 138), 71411#(<= ULTIMATE.start_main_~y~4 141), 71410#(<= ULTIMATE.start_main_~y~4 140), 71413#(<= ULTIMATE.start_main_~y~4 143), 71412#(<= ULTIMATE.start_main_~y~4 142), 71415#(<= ULTIMATE.start_main_~y~4 145), 71414#(<= ULTIMATE.start_main_~y~4 144), 71417#(<= ULTIMATE.start_main_~y~4 147), 71416#(<= ULTIMATE.start_main_~y~4 146), 71419#(<= ULTIMATE.start_main_~y~4 149), 71418#(<= ULTIMATE.start_main_~y~4 148), 71421#(<= ULTIMATE.start_main_~y~4 151), 71420#(<= ULTIMATE.start_main_~y~4 150), 71423#(<= ULTIMATE.start_main_~y~4 153), 71422#(<= ULTIMATE.start_main_~y~4 152)] [2018-07-23 13:38:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 13530 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:32,782 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:38:32,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:38:32,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:38:32,785 INFO L87 Difference]: Start difference. First operand 168 states and 168 transitions. Second operand 167 states. [2018-07-23 13:38:33,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:33,261 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:38:33,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:38:33,262 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 167 [2018-07-23 13:38:33,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:33,262 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:38:33,262 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:38:33,264 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:38:33,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:38:33,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:38:33,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:38:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:38:33,266 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 167 [2018-07-23 13:38:33,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:33,267 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:38:33,267 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:38:33,267 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:38:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:38:33,267 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:33,267 INFO L357 BasicCegarLoop]: trace histogram [165, 1, 1, 1] [2018-07-23 13:38:33,267 INFO L414 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:33,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1180774868, now seen corresponding path program 165 times [2018-07-23 13:38:33,268 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:33,917 INFO L134 CoverageAnalysis]: Checked inductivity of 13695 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:33,917 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:33,917 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:38:33,917 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:33,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:33,918 INFO L185 omatonBuilderFactory]: Interpolants [72193#(<= ULTIMATE.start_main_~y~4 76), 72192#(<= ULTIMATE.start_main_~y~4 75), 72195#(<= ULTIMATE.start_main_~y~4 78), 72194#(<= ULTIMATE.start_main_~y~4 77), 72197#(<= ULTIMATE.start_main_~y~4 80), 72196#(<= ULTIMATE.start_main_~y~4 79), 72199#(<= ULTIMATE.start_main_~y~4 82), 72198#(<= ULTIMATE.start_main_~y~4 81), 72201#(<= ULTIMATE.start_main_~y~4 84), 72200#(<= ULTIMATE.start_main_~y~4 83), 72203#(<= ULTIMATE.start_main_~y~4 86), 72202#(<= ULTIMATE.start_main_~y~4 85), 72205#(<= ULTIMATE.start_main_~y~4 88), 72204#(<= ULTIMATE.start_main_~y~4 87), 72207#(<= ULTIMATE.start_main_~y~4 90), 72206#(<= ULTIMATE.start_main_~y~4 89), 72209#(<= ULTIMATE.start_main_~y~4 92), 72208#(<= ULTIMATE.start_main_~y~4 91), 72211#(<= ULTIMATE.start_main_~y~4 94), 72210#(<= ULTIMATE.start_main_~y~4 93), 72213#(<= ULTIMATE.start_main_~y~4 96), 72212#(<= ULTIMATE.start_main_~y~4 95), 72215#(<= ULTIMATE.start_main_~y~4 98), 72214#(<= ULTIMATE.start_main_~y~4 97), 72217#(<= ULTIMATE.start_main_~y~4 100), 72216#(<= ULTIMATE.start_main_~y~4 99), 72219#(<= ULTIMATE.start_main_~y~4 102), 72218#(<= ULTIMATE.start_main_~y~4 101), 72221#(<= ULTIMATE.start_main_~y~4 104), 72220#(<= ULTIMATE.start_main_~y~4 103), 72223#(<= ULTIMATE.start_main_~y~4 106), 72222#(<= ULTIMATE.start_main_~y~4 105), 72225#(<= ULTIMATE.start_main_~y~4 108), 72224#(<= ULTIMATE.start_main_~y~4 107), 72227#(<= ULTIMATE.start_main_~y~4 110), 72226#(<= ULTIMATE.start_main_~y~4 109), 72229#(<= ULTIMATE.start_main_~y~4 112), 72228#(<= ULTIMATE.start_main_~y~4 111), 72231#(<= ULTIMATE.start_main_~y~4 114), 72230#(<= ULTIMATE.start_main_~y~4 113), 72233#(<= ULTIMATE.start_main_~y~4 116), 72232#(<= ULTIMATE.start_main_~y~4 115), 72235#(<= ULTIMATE.start_main_~y~4 118), 72234#(<= ULTIMATE.start_main_~y~4 117), 72237#(<= ULTIMATE.start_main_~y~4 120), 72236#(<= ULTIMATE.start_main_~y~4 119), 72239#(<= ULTIMATE.start_main_~y~4 122), 72238#(<= ULTIMATE.start_main_~y~4 121), 72241#(<= ULTIMATE.start_main_~y~4 124), 72240#(<= ULTIMATE.start_main_~y~4 123), 72243#(<= ULTIMATE.start_main_~y~4 126), 72242#(<= ULTIMATE.start_main_~y~4 125), 72245#(<= ULTIMATE.start_main_~y~4 128), 72244#(<= ULTIMATE.start_main_~y~4 127), 72247#(<= ULTIMATE.start_main_~y~4 130), 72246#(<= ULTIMATE.start_main_~y~4 129), 72249#(<= ULTIMATE.start_main_~y~4 132), 72248#(<= ULTIMATE.start_main_~y~4 131), 72251#(<= ULTIMATE.start_main_~y~4 134), 72250#(<= ULTIMATE.start_main_~y~4 133), 72253#(<= ULTIMATE.start_main_~y~4 136), 72252#(<= ULTIMATE.start_main_~y~4 135), 72255#(<= ULTIMATE.start_main_~y~4 138), 72254#(<= ULTIMATE.start_main_~y~4 137), 72257#(<= ULTIMATE.start_main_~y~4 140), 72256#(<= ULTIMATE.start_main_~y~4 139), 72259#(<= ULTIMATE.start_main_~y~4 142), 72258#(<= ULTIMATE.start_main_~y~4 141), 72261#(<= ULTIMATE.start_main_~y~4 144), 72260#(<= ULTIMATE.start_main_~y~4 143), 72263#(<= ULTIMATE.start_main_~y~4 146), 72262#(<= ULTIMATE.start_main_~y~4 145), 72265#(<= ULTIMATE.start_main_~y~4 148), 72264#(<= ULTIMATE.start_main_~y~4 147), 72267#(<= ULTIMATE.start_main_~y~4 150), 72266#(<= ULTIMATE.start_main_~y~4 149), 72269#(<= ULTIMATE.start_main_~y~4 152), 72268#(<= ULTIMATE.start_main_~y~4 151), 72271#(<= ULTIMATE.start_main_~y~4 154), 72270#(<= ULTIMATE.start_main_~y~4 153), 72273#(<= ULTIMATE.start_main_~y~4 156), 72272#(<= ULTIMATE.start_main_~y~4 155), 72275#(<= ULTIMATE.start_main_~y~4 158), 72274#(<= ULTIMATE.start_main_~y~4 157), 72277#(<= ULTIMATE.start_main_~y~4 160), 72276#(<= ULTIMATE.start_main_~y~4 159), 72279#(<= ULTIMATE.start_main_~y~4 162), 72278#(<= ULTIMATE.start_main_~y~4 161), 72281#(<= ULTIMATE.start_main_~y~4 164), 72280#(<= ULTIMATE.start_main_~y~4 163), 72282#(<= ULTIMATE.start_main_~y~4 165), 72115#true, 72117#(<= ULTIMATE.start_main_~y~4 0), 72116#false, 72119#(<= ULTIMATE.start_main_~y~4 2), 72118#(<= ULTIMATE.start_main_~y~4 1), 72121#(<= ULTIMATE.start_main_~y~4 4), 72120#(<= ULTIMATE.start_main_~y~4 3), 72123#(<= ULTIMATE.start_main_~y~4 6), 72122#(<= ULTIMATE.start_main_~y~4 5), 72125#(<= ULTIMATE.start_main_~y~4 8), 72124#(<= ULTIMATE.start_main_~y~4 7), 72127#(<= ULTIMATE.start_main_~y~4 10), 72126#(<= ULTIMATE.start_main_~y~4 9), 72129#(<= ULTIMATE.start_main_~y~4 12), 72128#(<= ULTIMATE.start_main_~y~4 11), 72131#(<= ULTIMATE.start_main_~y~4 14), 72130#(<= ULTIMATE.start_main_~y~4 13), 72133#(<= ULTIMATE.start_main_~y~4 16), 72132#(<= ULTIMATE.start_main_~y~4 15), 72135#(<= ULTIMATE.start_main_~y~4 18), 72134#(<= ULTIMATE.start_main_~y~4 17), 72137#(<= ULTIMATE.start_main_~y~4 20), 72136#(<= ULTIMATE.start_main_~y~4 19), 72139#(<= ULTIMATE.start_main_~y~4 22), 72138#(<= ULTIMATE.start_main_~y~4 21), 72141#(<= ULTIMATE.start_main_~y~4 24), 72140#(<= ULTIMATE.start_main_~y~4 23), 72143#(<= ULTIMATE.start_main_~y~4 26), 72142#(<= ULTIMATE.start_main_~y~4 25), 72145#(<= ULTIMATE.start_main_~y~4 28), 72144#(<= ULTIMATE.start_main_~y~4 27), 72147#(<= ULTIMATE.start_main_~y~4 30), 72146#(<= ULTIMATE.start_main_~y~4 29), 72149#(<= ULTIMATE.start_main_~y~4 32), 72148#(<= ULTIMATE.start_main_~y~4 31), 72151#(<= ULTIMATE.start_main_~y~4 34), 72150#(<= ULTIMATE.start_main_~y~4 33), 72153#(<= ULTIMATE.start_main_~y~4 36), 72152#(<= ULTIMATE.start_main_~y~4 35), 72155#(<= ULTIMATE.start_main_~y~4 38), 72154#(<= ULTIMATE.start_main_~y~4 37), 72157#(<= ULTIMATE.start_main_~y~4 40), 72156#(<= ULTIMATE.start_main_~y~4 39), 72159#(<= ULTIMATE.start_main_~y~4 42), 72158#(<= ULTIMATE.start_main_~y~4 41), 72161#(<= ULTIMATE.start_main_~y~4 44), 72160#(<= ULTIMATE.start_main_~y~4 43), 72163#(<= ULTIMATE.start_main_~y~4 46), 72162#(<= ULTIMATE.start_main_~y~4 45), 72165#(<= ULTIMATE.start_main_~y~4 48), 72164#(<= ULTIMATE.start_main_~y~4 47), 72167#(<= ULTIMATE.start_main_~y~4 50), 72166#(<= ULTIMATE.start_main_~y~4 49), 72169#(<= ULTIMATE.start_main_~y~4 52), 72168#(<= ULTIMATE.start_main_~y~4 51), 72171#(<= ULTIMATE.start_main_~y~4 54), 72170#(<= ULTIMATE.start_main_~y~4 53), 72173#(<= ULTIMATE.start_main_~y~4 56), 72172#(<= ULTIMATE.start_main_~y~4 55), 72175#(<= ULTIMATE.start_main_~y~4 58), 72174#(<= ULTIMATE.start_main_~y~4 57), 72177#(<= ULTIMATE.start_main_~y~4 60), 72176#(<= ULTIMATE.start_main_~y~4 59), 72179#(<= ULTIMATE.start_main_~y~4 62), 72178#(<= ULTIMATE.start_main_~y~4 61), 72181#(<= ULTIMATE.start_main_~y~4 64), 72180#(<= ULTIMATE.start_main_~y~4 63), 72183#(<= ULTIMATE.start_main_~y~4 66), 72182#(<= ULTIMATE.start_main_~y~4 65), 72185#(<= ULTIMATE.start_main_~y~4 68), 72184#(<= ULTIMATE.start_main_~y~4 67), 72187#(<= ULTIMATE.start_main_~y~4 70), 72186#(<= ULTIMATE.start_main_~y~4 69), 72189#(<= ULTIMATE.start_main_~y~4 72), 72188#(<= ULTIMATE.start_main_~y~4 71), 72191#(<= ULTIMATE.start_main_~y~4 74), 72190#(<= ULTIMATE.start_main_~y~4 73)] [2018-07-23 13:38:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 13695 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:33,919 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:38:33,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:38:33,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:38:33,922 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 168 states. [2018-07-23 13:38:34,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:34,139 INFO L93 Difference]: Finished difference Result 172 states and 172 transitions. [2018-07-23 13:38:34,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:38:34,139 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 168 [2018-07-23 13:38:34,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:34,139 INFO L225 Difference]: With dead ends: 172 [2018-07-23 13:38:34,139 INFO L226 Difference]: Without dead ends: 170 [2018-07-23 13:38:34,141 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:38:34,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-07-23 13:38:34,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-07-23 13:38:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-07-23 13:38:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 170 transitions. [2018-07-23 13:38:34,144 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 170 transitions. Word has length 168 [2018-07-23 13:38:34,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:34,144 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 170 transitions. [2018-07-23 13:38:34,144 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:38:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 170 transitions. [2018-07-23 13:38:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-07-23 13:38:34,145 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:34,145 INFO L357 BasicCegarLoop]: trace histogram [166, 1, 1, 1] [2018-07-23 13:38:34,145 INFO L414 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:34,145 INFO L82 PathProgramCache]: Analyzing trace with hash 2050686563, now seen corresponding path program 166 times [2018-07-23 13:38:34,145 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 13861 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:34,818 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:34,818 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:38:34,818 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:34,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:34,818 INFO L185 omatonBuilderFactory]: Interpolants [72967#true, 72969#(<= ULTIMATE.start_main_~y~4 0), 72968#false, 72971#(<= ULTIMATE.start_main_~y~4 2), 72970#(<= ULTIMATE.start_main_~y~4 1), 72973#(<= ULTIMATE.start_main_~y~4 4), 72972#(<= ULTIMATE.start_main_~y~4 3), 72975#(<= ULTIMATE.start_main_~y~4 6), 72974#(<= ULTIMATE.start_main_~y~4 5), 72977#(<= ULTIMATE.start_main_~y~4 8), 72976#(<= ULTIMATE.start_main_~y~4 7), 72979#(<= ULTIMATE.start_main_~y~4 10), 72978#(<= ULTIMATE.start_main_~y~4 9), 72981#(<= ULTIMATE.start_main_~y~4 12), 72980#(<= ULTIMATE.start_main_~y~4 11), 72983#(<= ULTIMATE.start_main_~y~4 14), 72982#(<= ULTIMATE.start_main_~y~4 13), 72985#(<= ULTIMATE.start_main_~y~4 16), 72984#(<= ULTIMATE.start_main_~y~4 15), 72987#(<= ULTIMATE.start_main_~y~4 18), 72986#(<= ULTIMATE.start_main_~y~4 17), 72989#(<= ULTIMATE.start_main_~y~4 20), 72988#(<= ULTIMATE.start_main_~y~4 19), 72991#(<= ULTIMATE.start_main_~y~4 22), 72990#(<= ULTIMATE.start_main_~y~4 21), 72993#(<= ULTIMATE.start_main_~y~4 24), 72992#(<= ULTIMATE.start_main_~y~4 23), 72995#(<= ULTIMATE.start_main_~y~4 26), 72994#(<= ULTIMATE.start_main_~y~4 25), 72997#(<= ULTIMATE.start_main_~y~4 28), 72996#(<= ULTIMATE.start_main_~y~4 27), 72999#(<= ULTIMATE.start_main_~y~4 30), 72998#(<= ULTIMATE.start_main_~y~4 29), 73001#(<= ULTIMATE.start_main_~y~4 32), 73000#(<= ULTIMATE.start_main_~y~4 31), 73003#(<= ULTIMATE.start_main_~y~4 34), 73002#(<= ULTIMATE.start_main_~y~4 33), 73005#(<= ULTIMATE.start_main_~y~4 36), 73004#(<= ULTIMATE.start_main_~y~4 35), 73007#(<= ULTIMATE.start_main_~y~4 38), 73006#(<= ULTIMATE.start_main_~y~4 37), 73009#(<= ULTIMATE.start_main_~y~4 40), 73008#(<= ULTIMATE.start_main_~y~4 39), 73011#(<= ULTIMATE.start_main_~y~4 42), 73010#(<= ULTIMATE.start_main_~y~4 41), 73013#(<= ULTIMATE.start_main_~y~4 44), 73012#(<= ULTIMATE.start_main_~y~4 43), 73015#(<= ULTIMATE.start_main_~y~4 46), 73014#(<= ULTIMATE.start_main_~y~4 45), 73017#(<= ULTIMATE.start_main_~y~4 48), 73016#(<= ULTIMATE.start_main_~y~4 47), 73019#(<= ULTIMATE.start_main_~y~4 50), 73018#(<= ULTIMATE.start_main_~y~4 49), 73021#(<= ULTIMATE.start_main_~y~4 52), 73020#(<= ULTIMATE.start_main_~y~4 51), 73023#(<= ULTIMATE.start_main_~y~4 54), 73022#(<= ULTIMATE.start_main_~y~4 53), 73025#(<= ULTIMATE.start_main_~y~4 56), 73024#(<= ULTIMATE.start_main_~y~4 55), 73027#(<= ULTIMATE.start_main_~y~4 58), 73026#(<= ULTIMATE.start_main_~y~4 57), 73029#(<= ULTIMATE.start_main_~y~4 60), 73028#(<= ULTIMATE.start_main_~y~4 59), 73031#(<= ULTIMATE.start_main_~y~4 62), 73030#(<= ULTIMATE.start_main_~y~4 61), 73033#(<= ULTIMATE.start_main_~y~4 64), 73032#(<= ULTIMATE.start_main_~y~4 63), 73035#(<= ULTIMATE.start_main_~y~4 66), 73034#(<= ULTIMATE.start_main_~y~4 65), 73037#(<= ULTIMATE.start_main_~y~4 68), 73036#(<= ULTIMATE.start_main_~y~4 67), 73039#(<= ULTIMATE.start_main_~y~4 70), 73038#(<= ULTIMATE.start_main_~y~4 69), 73041#(<= ULTIMATE.start_main_~y~4 72), 73040#(<= ULTIMATE.start_main_~y~4 71), 73043#(<= ULTIMATE.start_main_~y~4 74), 73042#(<= ULTIMATE.start_main_~y~4 73), 73045#(<= ULTIMATE.start_main_~y~4 76), 73044#(<= ULTIMATE.start_main_~y~4 75), 73047#(<= ULTIMATE.start_main_~y~4 78), 73046#(<= ULTIMATE.start_main_~y~4 77), 73049#(<= ULTIMATE.start_main_~y~4 80), 73048#(<= ULTIMATE.start_main_~y~4 79), 73051#(<= ULTIMATE.start_main_~y~4 82), 73050#(<= ULTIMATE.start_main_~y~4 81), 73053#(<= ULTIMATE.start_main_~y~4 84), 73052#(<= ULTIMATE.start_main_~y~4 83), 73055#(<= ULTIMATE.start_main_~y~4 86), 73054#(<= ULTIMATE.start_main_~y~4 85), 73057#(<= ULTIMATE.start_main_~y~4 88), 73056#(<= ULTIMATE.start_main_~y~4 87), 73059#(<= ULTIMATE.start_main_~y~4 90), 73058#(<= ULTIMATE.start_main_~y~4 89), 73061#(<= ULTIMATE.start_main_~y~4 92), 73060#(<= ULTIMATE.start_main_~y~4 91), 73063#(<= ULTIMATE.start_main_~y~4 94), 73062#(<= ULTIMATE.start_main_~y~4 93), 73065#(<= ULTIMATE.start_main_~y~4 96), 73064#(<= ULTIMATE.start_main_~y~4 95), 73067#(<= ULTIMATE.start_main_~y~4 98), 73066#(<= ULTIMATE.start_main_~y~4 97), 73069#(<= ULTIMATE.start_main_~y~4 100), 73068#(<= ULTIMATE.start_main_~y~4 99), 73071#(<= ULTIMATE.start_main_~y~4 102), 73070#(<= ULTIMATE.start_main_~y~4 101), 73073#(<= ULTIMATE.start_main_~y~4 104), 73072#(<= ULTIMATE.start_main_~y~4 103), 73075#(<= ULTIMATE.start_main_~y~4 106), 73074#(<= ULTIMATE.start_main_~y~4 105), 73077#(<= ULTIMATE.start_main_~y~4 108), 73076#(<= ULTIMATE.start_main_~y~4 107), 73079#(<= ULTIMATE.start_main_~y~4 110), 73078#(<= ULTIMATE.start_main_~y~4 109), 73081#(<= ULTIMATE.start_main_~y~4 112), 73080#(<= ULTIMATE.start_main_~y~4 111), 73083#(<= ULTIMATE.start_main_~y~4 114), 73082#(<= ULTIMATE.start_main_~y~4 113), 73085#(<= ULTIMATE.start_main_~y~4 116), 73084#(<= ULTIMATE.start_main_~y~4 115), 73087#(<= ULTIMATE.start_main_~y~4 118), 73086#(<= ULTIMATE.start_main_~y~4 117), 73089#(<= ULTIMATE.start_main_~y~4 120), 73088#(<= ULTIMATE.start_main_~y~4 119), 73091#(<= ULTIMATE.start_main_~y~4 122), 73090#(<= ULTIMATE.start_main_~y~4 121), 73093#(<= ULTIMATE.start_main_~y~4 124), 73092#(<= ULTIMATE.start_main_~y~4 123), 73095#(<= ULTIMATE.start_main_~y~4 126), 73094#(<= ULTIMATE.start_main_~y~4 125), 73097#(<= ULTIMATE.start_main_~y~4 128), 73096#(<= ULTIMATE.start_main_~y~4 127), 73099#(<= ULTIMATE.start_main_~y~4 130), 73098#(<= ULTIMATE.start_main_~y~4 129), 73101#(<= ULTIMATE.start_main_~y~4 132), 73100#(<= ULTIMATE.start_main_~y~4 131), 73103#(<= ULTIMATE.start_main_~y~4 134), 73102#(<= ULTIMATE.start_main_~y~4 133), 73105#(<= ULTIMATE.start_main_~y~4 136), 73104#(<= ULTIMATE.start_main_~y~4 135), 73107#(<= ULTIMATE.start_main_~y~4 138), 73106#(<= ULTIMATE.start_main_~y~4 137), 73109#(<= ULTIMATE.start_main_~y~4 140), 73108#(<= ULTIMATE.start_main_~y~4 139), 73111#(<= ULTIMATE.start_main_~y~4 142), 73110#(<= ULTIMATE.start_main_~y~4 141), 73113#(<= ULTIMATE.start_main_~y~4 144), 73112#(<= ULTIMATE.start_main_~y~4 143), 73115#(<= ULTIMATE.start_main_~y~4 146), 73114#(<= ULTIMATE.start_main_~y~4 145), 73117#(<= ULTIMATE.start_main_~y~4 148), 73116#(<= ULTIMATE.start_main_~y~4 147), 73119#(<= ULTIMATE.start_main_~y~4 150), 73118#(<= ULTIMATE.start_main_~y~4 149), 73121#(<= ULTIMATE.start_main_~y~4 152), 73120#(<= ULTIMATE.start_main_~y~4 151), 73123#(<= ULTIMATE.start_main_~y~4 154), 73122#(<= ULTIMATE.start_main_~y~4 153), 73125#(<= ULTIMATE.start_main_~y~4 156), 73124#(<= ULTIMATE.start_main_~y~4 155), 73127#(<= ULTIMATE.start_main_~y~4 158), 73126#(<= ULTIMATE.start_main_~y~4 157), 73129#(<= ULTIMATE.start_main_~y~4 160), 73128#(<= ULTIMATE.start_main_~y~4 159), 73131#(<= ULTIMATE.start_main_~y~4 162), 73130#(<= ULTIMATE.start_main_~y~4 161), 73133#(<= ULTIMATE.start_main_~y~4 164), 73132#(<= ULTIMATE.start_main_~y~4 163), 73135#(<= ULTIMATE.start_main_~y~4 166), 73134#(<= ULTIMATE.start_main_~y~4 165)] [2018-07-23 13:38:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 13861 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:34,819 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:38:34,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:38:34,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:38:34,822 INFO L87 Difference]: Start difference. First operand 170 states and 170 transitions. Second operand 169 states. [2018-07-23 13:38:35,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:35,522 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:38:35,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:38:35,522 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 169 [2018-07-23 13:38:35,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:35,523 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:38:35,523 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:38:35,524 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:38:35,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:38:35,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:38:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:38:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:38:35,527 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 169 [2018-07-23 13:38:35,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:35,527 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:38:35,527 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:38:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:38:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:38:35,528 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:35,528 INFO L357 BasicCegarLoop]: trace histogram [167, 1, 1, 1] [2018-07-23 13:38:35,528 INFO L414 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:35,528 INFO L82 PathProgramCache]: Analyzing trace with hash -853224180, now seen corresponding path program 167 times [2018-07-23 13:38:35,528 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 14028 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:36,230 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:36,230 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:38:36,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:36,231 INFO L185 omatonBuilderFactory]: Interpolants [73985#(<= ULTIMATE.start_main_~y~4 159), 73984#(<= ULTIMATE.start_main_~y~4 158), 73987#(<= ULTIMATE.start_main_~y~4 161), 73986#(<= ULTIMATE.start_main_~y~4 160), 73989#(<= ULTIMATE.start_main_~y~4 163), 73988#(<= ULTIMATE.start_main_~y~4 162), 73991#(<= ULTIMATE.start_main_~y~4 165), 73990#(<= ULTIMATE.start_main_~y~4 164), 73993#(<= ULTIMATE.start_main_~y~4 167), 73992#(<= ULTIMATE.start_main_~y~4 166), 73825#false, 73824#true, 73827#(<= ULTIMATE.start_main_~y~4 1), 73826#(<= ULTIMATE.start_main_~y~4 0), 73829#(<= ULTIMATE.start_main_~y~4 3), 73828#(<= ULTIMATE.start_main_~y~4 2), 73831#(<= ULTIMATE.start_main_~y~4 5), 73830#(<= ULTIMATE.start_main_~y~4 4), 73833#(<= ULTIMATE.start_main_~y~4 7), 73832#(<= ULTIMATE.start_main_~y~4 6), 73835#(<= ULTIMATE.start_main_~y~4 9), 73834#(<= ULTIMATE.start_main_~y~4 8), 73837#(<= ULTIMATE.start_main_~y~4 11), 73836#(<= ULTIMATE.start_main_~y~4 10), 73839#(<= ULTIMATE.start_main_~y~4 13), 73838#(<= ULTIMATE.start_main_~y~4 12), 73841#(<= ULTIMATE.start_main_~y~4 15), 73840#(<= ULTIMATE.start_main_~y~4 14), 73843#(<= ULTIMATE.start_main_~y~4 17), 73842#(<= ULTIMATE.start_main_~y~4 16), 73845#(<= ULTIMATE.start_main_~y~4 19), 73844#(<= ULTIMATE.start_main_~y~4 18), 73847#(<= ULTIMATE.start_main_~y~4 21), 73846#(<= ULTIMATE.start_main_~y~4 20), 73849#(<= ULTIMATE.start_main_~y~4 23), 73848#(<= ULTIMATE.start_main_~y~4 22), 73851#(<= ULTIMATE.start_main_~y~4 25), 73850#(<= ULTIMATE.start_main_~y~4 24), 73853#(<= ULTIMATE.start_main_~y~4 27), 73852#(<= ULTIMATE.start_main_~y~4 26), 73855#(<= ULTIMATE.start_main_~y~4 29), 73854#(<= ULTIMATE.start_main_~y~4 28), 73857#(<= ULTIMATE.start_main_~y~4 31), 73856#(<= ULTIMATE.start_main_~y~4 30), 73859#(<= ULTIMATE.start_main_~y~4 33), 73858#(<= ULTIMATE.start_main_~y~4 32), 73861#(<= ULTIMATE.start_main_~y~4 35), 73860#(<= ULTIMATE.start_main_~y~4 34), 73863#(<= ULTIMATE.start_main_~y~4 37), 73862#(<= ULTIMATE.start_main_~y~4 36), 73865#(<= ULTIMATE.start_main_~y~4 39), 73864#(<= ULTIMATE.start_main_~y~4 38), 73867#(<= ULTIMATE.start_main_~y~4 41), 73866#(<= ULTIMATE.start_main_~y~4 40), 73869#(<= ULTIMATE.start_main_~y~4 43), 73868#(<= ULTIMATE.start_main_~y~4 42), 73871#(<= ULTIMATE.start_main_~y~4 45), 73870#(<= ULTIMATE.start_main_~y~4 44), 73873#(<= ULTIMATE.start_main_~y~4 47), 73872#(<= ULTIMATE.start_main_~y~4 46), 73875#(<= ULTIMATE.start_main_~y~4 49), 73874#(<= ULTIMATE.start_main_~y~4 48), 73877#(<= ULTIMATE.start_main_~y~4 51), 73876#(<= ULTIMATE.start_main_~y~4 50), 73879#(<= ULTIMATE.start_main_~y~4 53), 73878#(<= ULTIMATE.start_main_~y~4 52), 73881#(<= ULTIMATE.start_main_~y~4 55), 73880#(<= ULTIMATE.start_main_~y~4 54), 73883#(<= ULTIMATE.start_main_~y~4 57), 73882#(<= ULTIMATE.start_main_~y~4 56), 73885#(<= ULTIMATE.start_main_~y~4 59), 73884#(<= ULTIMATE.start_main_~y~4 58), 73887#(<= ULTIMATE.start_main_~y~4 61), 73886#(<= ULTIMATE.start_main_~y~4 60), 73889#(<= ULTIMATE.start_main_~y~4 63), 73888#(<= ULTIMATE.start_main_~y~4 62), 73891#(<= ULTIMATE.start_main_~y~4 65), 73890#(<= ULTIMATE.start_main_~y~4 64), 73893#(<= ULTIMATE.start_main_~y~4 67), 73892#(<= ULTIMATE.start_main_~y~4 66), 73895#(<= ULTIMATE.start_main_~y~4 69), 73894#(<= ULTIMATE.start_main_~y~4 68), 73897#(<= ULTIMATE.start_main_~y~4 71), 73896#(<= ULTIMATE.start_main_~y~4 70), 73899#(<= ULTIMATE.start_main_~y~4 73), 73898#(<= ULTIMATE.start_main_~y~4 72), 73901#(<= ULTIMATE.start_main_~y~4 75), 73900#(<= ULTIMATE.start_main_~y~4 74), 73903#(<= ULTIMATE.start_main_~y~4 77), 73902#(<= ULTIMATE.start_main_~y~4 76), 73905#(<= ULTIMATE.start_main_~y~4 79), 73904#(<= ULTIMATE.start_main_~y~4 78), 73907#(<= ULTIMATE.start_main_~y~4 81), 73906#(<= ULTIMATE.start_main_~y~4 80), 73909#(<= ULTIMATE.start_main_~y~4 83), 73908#(<= ULTIMATE.start_main_~y~4 82), 73911#(<= ULTIMATE.start_main_~y~4 85), 73910#(<= ULTIMATE.start_main_~y~4 84), 73913#(<= ULTIMATE.start_main_~y~4 87), 73912#(<= ULTIMATE.start_main_~y~4 86), 73915#(<= ULTIMATE.start_main_~y~4 89), 73914#(<= ULTIMATE.start_main_~y~4 88), 73917#(<= ULTIMATE.start_main_~y~4 91), 73916#(<= ULTIMATE.start_main_~y~4 90), 73919#(<= ULTIMATE.start_main_~y~4 93), 73918#(<= ULTIMATE.start_main_~y~4 92), 73921#(<= ULTIMATE.start_main_~y~4 95), 73920#(<= ULTIMATE.start_main_~y~4 94), 73923#(<= ULTIMATE.start_main_~y~4 97), 73922#(<= ULTIMATE.start_main_~y~4 96), 73925#(<= ULTIMATE.start_main_~y~4 99), 73924#(<= ULTIMATE.start_main_~y~4 98), 73927#(<= ULTIMATE.start_main_~y~4 101), 73926#(<= ULTIMATE.start_main_~y~4 100), 73929#(<= ULTIMATE.start_main_~y~4 103), 73928#(<= ULTIMATE.start_main_~y~4 102), 73931#(<= ULTIMATE.start_main_~y~4 105), 73930#(<= ULTIMATE.start_main_~y~4 104), 73933#(<= ULTIMATE.start_main_~y~4 107), 73932#(<= ULTIMATE.start_main_~y~4 106), 73935#(<= ULTIMATE.start_main_~y~4 109), 73934#(<= ULTIMATE.start_main_~y~4 108), 73937#(<= ULTIMATE.start_main_~y~4 111), 73936#(<= ULTIMATE.start_main_~y~4 110), 73939#(<= ULTIMATE.start_main_~y~4 113), 73938#(<= ULTIMATE.start_main_~y~4 112), 73941#(<= ULTIMATE.start_main_~y~4 115), 73940#(<= ULTIMATE.start_main_~y~4 114), 73943#(<= ULTIMATE.start_main_~y~4 117), 73942#(<= ULTIMATE.start_main_~y~4 116), 73945#(<= ULTIMATE.start_main_~y~4 119), 73944#(<= ULTIMATE.start_main_~y~4 118), 73947#(<= ULTIMATE.start_main_~y~4 121), 73946#(<= ULTIMATE.start_main_~y~4 120), 73949#(<= ULTIMATE.start_main_~y~4 123), 73948#(<= ULTIMATE.start_main_~y~4 122), 73951#(<= ULTIMATE.start_main_~y~4 125), 73950#(<= ULTIMATE.start_main_~y~4 124), 73953#(<= ULTIMATE.start_main_~y~4 127), 73952#(<= ULTIMATE.start_main_~y~4 126), 73955#(<= ULTIMATE.start_main_~y~4 129), 73954#(<= ULTIMATE.start_main_~y~4 128), 73957#(<= ULTIMATE.start_main_~y~4 131), 73956#(<= ULTIMATE.start_main_~y~4 130), 73959#(<= ULTIMATE.start_main_~y~4 133), 73958#(<= ULTIMATE.start_main_~y~4 132), 73961#(<= ULTIMATE.start_main_~y~4 135), 73960#(<= ULTIMATE.start_main_~y~4 134), 73963#(<= ULTIMATE.start_main_~y~4 137), 73962#(<= ULTIMATE.start_main_~y~4 136), 73965#(<= ULTIMATE.start_main_~y~4 139), 73964#(<= ULTIMATE.start_main_~y~4 138), 73967#(<= ULTIMATE.start_main_~y~4 141), 73966#(<= ULTIMATE.start_main_~y~4 140), 73969#(<= ULTIMATE.start_main_~y~4 143), 73968#(<= ULTIMATE.start_main_~y~4 142), 73971#(<= ULTIMATE.start_main_~y~4 145), 73970#(<= ULTIMATE.start_main_~y~4 144), 73973#(<= ULTIMATE.start_main_~y~4 147), 73972#(<= ULTIMATE.start_main_~y~4 146), 73975#(<= ULTIMATE.start_main_~y~4 149), 73974#(<= ULTIMATE.start_main_~y~4 148), 73977#(<= ULTIMATE.start_main_~y~4 151), 73976#(<= ULTIMATE.start_main_~y~4 150), 73979#(<= ULTIMATE.start_main_~y~4 153), 73978#(<= ULTIMATE.start_main_~y~4 152), 73981#(<= ULTIMATE.start_main_~y~4 155), 73980#(<= ULTIMATE.start_main_~y~4 154), 73983#(<= ULTIMATE.start_main_~y~4 157), 73982#(<= ULTIMATE.start_main_~y~4 156)] [2018-07-23 13:38:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14028 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:36,232 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:38:36,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:38:36,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:38:36,235 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 170 states. [2018-07-23 13:38:36,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:36,761 INFO L93 Difference]: Finished difference Result 174 states and 174 transitions. [2018-07-23 13:38:36,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:38:36,761 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 170 [2018-07-23 13:38:36,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:36,761 INFO L225 Difference]: With dead ends: 174 [2018-07-23 13:38:36,761 INFO L226 Difference]: Without dead ends: 172 [2018-07-23 13:38:36,763 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:38:36,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-07-23 13:38:36,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2018-07-23 13:38:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-07-23 13:38:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 172 transitions. [2018-07-23 13:38:36,766 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 172 transitions. Word has length 170 [2018-07-23 13:38:36,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:36,766 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 172 transitions. [2018-07-23 13:38:36,766 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:38:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 172 transitions. [2018-07-23 13:38:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-07-23 13:38:36,767 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:36,767 INFO L357 BasicCegarLoop]: trace histogram [168, 1, 1, 1] [2018-07-23 13:38:36,767 INFO L414 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:36,767 INFO L82 PathProgramCache]: Analyzing trace with hash -680143997, now seen corresponding path program 168 times [2018-07-23 13:38:36,767 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 14196 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:37,573 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:37,573 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:38:37,573 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:37,573 INFO L185 omatonBuilderFactory]: Interpolants [74753#(<= ULTIMATE.start_main_~y~4 65), 74752#(<= ULTIMATE.start_main_~y~4 64), 74755#(<= ULTIMATE.start_main_~y~4 67), 74754#(<= ULTIMATE.start_main_~y~4 66), 74757#(<= ULTIMATE.start_main_~y~4 69), 74756#(<= ULTIMATE.start_main_~y~4 68), 74759#(<= ULTIMATE.start_main_~y~4 71), 74758#(<= ULTIMATE.start_main_~y~4 70), 74761#(<= ULTIMATE.start_main_~y~4 73), 74760#(<= ULTIMATE.start_main_~y~4 72), 74763#(<= ULTIMATE.start_main_~y~4 75), 74762#(<= ULTIMATE.start_main_~y~4 74), 74765#(<= ULTIMATE.start_main_~y~4 77), 74764#(<= ULTIMATE.start_main_~y~4 76), 74767#(<= ULTIMATE.start_main_~y~4 79), 74766#(<= ULTIMATE.start_main_~y~4 78), 74769#(<= ULTIMATE.start_main_~y~4 81), 74768#(<= ULTIMATE.start_main_~y~4 80), 74771#(<= ULTIMATE.start_main_~y~4 83), 74770#(<= ULTIMATE.start_main_~y~4 82), 74773#(<= ULTIMATE.start_main_~y~4 85), 74772#(<= ULTIMATE.start_main_~y~4 84), 74775#(<= ULTIMATE.start_main_~y~4 87), 74774#(<= ULTIMATE.start_main_~y~4 86), 74777#(<= ULTIMATE.start_main_~y~4 89), 74776#(<= ULTIMATE.start_main_~y~4 88), 74779#(<= ULTIMATE.start_main_~y~4 91), 74778#(<= ULTIMATE.start_main_~y~4 90), 74781#(<= ULTIMATE.start_main_~y~4 93), 74780#(<= ULTIMATE.start_main_~y~4 92), 74783#(<= ULTIMATE.start_main_~y~4 95), 74782#(<= ULTIMATE.start_main_~y~4 94), 74785#(<= ULTIMATE.start_main_~y~4 97), 74784#(<= ULTIMATE.start_main_~y~4 96), 74787#(<= ULTIMATE.start_main_~y~4 99), 74786#(<= ULTIMATE.start_main_~y~4 98), 74789#(<= ULTIMATE.start_main_~y~4 101), 74788#(<= ULTIMATE.start_main_~y~4 100), 74791#(<= ULTIMATE.start_main_~y~4 103), 74790#(<= ULTIMATE.start_main_~y~4 102), 74793#(<= ULTIMATE.start_main_~y~4 105), 74792#(<= ULTIMATE.start_main_~y~4 104), 74795#(<= ULTIMATE.start_main_~y~4 107), 74794#(<= ULTIMATE.start_main_~y~4 106), 74797#(<= ULTIMATE.start_main_~y~4 109), 74796#(<= ULTIMATE.start_main_~y~4 108), 74799#(<= ULTIMATE.start_main_~y~4 111), 74798#(<= ULTIMATE.start_main_~y~4 110), 74801#(<= ULTIMATE.start_main_~y~4 113), 74800#(<= ULTIMATE.start_main_~y~4 112), 74803#(<= ULTIMATE.start_main_~y~4 115), 74802#(<= ULTIMATE.start_main_~y~4 114), 74805#(<= ULTIMATE.start_main_~y~4 117), 74804#(<= ULTIMATE.start_main_~y~4 116), 74807#(<= ULTIMATE.start_main_~y~4 119), 74806#(<= ULTIMATE.start_main_~y~4 118), 74809#(<= ULTIMATE.start_main_~y~4 121), 74808#(<= ULTIMATE.start_main_~y~4 120), 74811#(<= ULTIMATE.start_main_~y~4 123), 74810#(<= ULTIMATE.start_main_~y~4 122), 74813#(<= ULTIMATE.start_main_~y~4 125), 74812#(<= ULTIMATE.start_main_~y~4 124), 74815#(<= ULTIMATE.start_main_~y~4 127), 74814#(<= ULTIMATE.start_main_~y~4 126), 74817#(<= ULTIMATE.start_main_~y~4 129), 74816#(<= ULTIMATE.start_main_~y~4 128), 74819#(<= ULTIMATE.start_main_~y~4 131), 74818#(<= ULTIMATE.start_main_~y~4 130), 74821#(<= ULTIMATE.start_main_~y~4 133), 74820#(<= ULTIMATE.start_main_~y~4 132), 74823#(<= ULTIMATE.start_main_~y~4 135), 74822#(<= ULTIMATE.start_main_~y~4 134), 74825#(<= ULTIMATE.start_main_~y~4 137), 74824#(<= ULTIMATE.start_main_~y~4 136), 74827#(<= ULTIMATE.start_main_~y~4 139), 74826#(<= ULTIMATE.start_main_~y~4 138), 74829#(<= ULTIMATE.start_main_~y~4 141), 74828#(<= ULTIMATE.start_main_~y~4 140), 74831#(<= ULTIMATE.start_main_~y~4 143), 74830#(<= ULTIMATE.start_main_~y~4 142), 74833#(<= ULTIMATE.start_main_~y~4 145), 74832#(<= ULTIMATE.start_main_~y~4 144), 74835#(<= ULTIMATE.start_main_~y~4 147), 74834#(<= ULTIMATE.start_main_~y~4 146), 74837#(<= ULTIMATE.start_main_~y~4 149), 74836#(<= ULTIMATE.start_main_~y~4 148), 74839#(<= ULTIMATE.start_main_~y~4 151), 74838#(<= ULTIMATE.start_main_~y~4 150), 74841#(<= ULTIMATE.start_main_~y~4 153), 74840#(<= ULTIMATE.start_main_~y~4 152), 74843#(<= ULTIMATE.start_main_~y~4 155), 74842#(<= ULTIMATE.start_main_~y~4 154), 74845#(<= ULTIMATE.start_main_~y~4 157), 74844#(<= ULTIMATE.start_main_~y~4 156), 74847#(<= ULTIMATE.start_main_~y~4 159), 74846#(<= ULTIMATE.start_main_~y~4 158), 74849#(<= ULTIMATE.start_main_~y~4 161), 74848#(<= ULTIMATE.start_main_~y~4 160), 74851#(<= ULTIMATE.start_main_~y~4 163), 74850#(<= ULTIMATE.start_main_~y~4 162), 74853#(<= ULTIMATE.start_main_~y~4 165), 74852#(<= ULTIMATE.start_main_~y~4 164), 74855#(<= ULTIMATE.start_main_~y~4 167), 74854#(<= ULTIMATE.start_main_~y~4 166), 74856#(<= ULTIMATE.start_main_~y~4 168), 74687#false, 74686#true, 74689#(<= ULTIMATE.start_main_~y~4 1), 74688#(<= ULTIMATE.start_main_~y~4 0), 74691#(<= ULTIMATE.start_main_~y~4 3), 74690#(<= ULTIMATE.start_main_~y~4 2), 74693#(<= ULTIMATE.start_main_~y~4 5), 74692#(<= ULTIMATE.start_main_~y~4 4), 74695#(<= ULTIMATE.start_main_~y~4 7), 74694#(<= ULTIMATE.start_main_~y~4 6), 74697#(<= ULTIMATE.start_main_~y~4 9), 74696#(<= ULTIMATE.start_main_~y~4 8), 74699#(<= ULTIMATE.start_main_~y~4 11), 74698#(<= ULTIMATE.start_main_~y~4 10), 74701#(<= ULTIMATE.start_main_~y~4 13), 74700#(<= ULTIMATE.start_main_~y~4 12), 74703#(<= ULTIMATE.start_main_~y~4 15), 74702#(<= ULTIMATE.start_main_~y~4 14), 74705#(<= ULTIMATE.start_main_~y~4 17), 74704#(<= ULTIMATE.start_main_~y~4 16), 74707#(<= ULTIMATE.start_main_~y~4 19), 74706#(<= ULTIMATE.start_main_~y~4 18), 74709#(<= ULTIMATE.start_main_~y~4 21), 74708#(<= ULTIMATE.start_main_~y~4 20), 74711#(<= ULTIMATE.start_main_~y~4 23), 74710#(<= ULTIMATE.start_main_~y~4 22), 74713#(<= ULTIMATE.start_main_~y~4 25), 74712#(<= ULTIMATE.start_main_~y~4 24), 74715#(<= ULTIMATE.start_main_~y~4 27), 74714#(<= ULTIMATE.start_main_~y~4 26), 74717#(<= ULTIMATE.start_main_~y~4 29), 74716#(<= ULTIMATE.start_main_~y~4 28), 74719#(<= ULTIMATE.start_main_~y~4 31), 74718#(<= ULTIMATE.start_main_~y~4 30), 74721#(<= ULTIMATE.start_main_~y~4 33), 74720#(<= ULTIMATE.start_main_~y~4 32), 74723#(<= ULTIMATE.start_main_~y~4 35), 74722#(<= ULTIMATE.start_main_~y~4 34), 74725#(<= ULTIMATE.start_main_~y~4 37), 74724#(<= ULTIMATE.start_main_~y~4 36), 74727#(<= ULTIMATE.start_main_~y~4 39), 74726#(<= ULTIMATE.start_main_~y~4 38), 74729#(<= ULTIMATE.start_main_~y~4 41), 74728#(<= ULTIMATE.start_main_~y~4 40), 74731#(<= ULTIMATE.start_main_~y~4 43), 74730#(<= ULTIMATE.start_main_~y~4 42), 74733#(<= ULTIMATE.start_main_~y~4 45), 74732#(<= ULTIMATE.start_main_~y~4 44), 74735#(<= ULTIMATE.start_main_~y~4 47), 74734#(<= ULTIMATE.start_main_~y~4 46), 74737#(<= ULTIMATE.start_main_~y~4 49), 74736#(<= ULTIMATE.start_main_~y~4 48), 74739#(<= ULTIMATE.start_main_~y~4 51), 74738#(<= ULTIMATE.start_main_~y~4 50), 74741#(<= ULTIMATE.start_main_~y~4 53), 74740#(<= ULTIMATE.start_main_~y~4 52), 74743#(<= ULTIMATE.start_main_~y~4 55), 74742#(<= ULTIMATE.start_main_~y~4 54), 74745#(<= ULTIMATE.start_main_~y~4 57), 74744#(<= ULTIMATE.start_main_~y~4 56), 74747#(<= ULTIMATE.start_main_~y~4 59), 74746#(<= ULTIMATE.start_main_~y~4 58), 74749#(<= ULTIMATE.start_main_~y~4 61), 74748#(<= ULTIMATE.start_main_~y~4 60), 74751#(<= ULTIMATE.start_main_~y~4 63), 74750#(<= ULTIMATE.start_main_~y~4 62)] [2018-07-23 13:38:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14196 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:37,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:38:37,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:38:37,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:38:37,577 INFO L87 Difference]: Start difference. First operand 172 states and 172 transitions. Second operand 171 states. [2018-07-23 13:38:37,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:37,881 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:38:37,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:38:37,881 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 171 [2018-07-23 13:38:37,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:37,881 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:38:37,882 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:38:37,883 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:38:37,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:38:37,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:38:37,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:38:37,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:38:37,885 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 171 [2018-07-23 13:38:37,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:37,885 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:38:37,885 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:38:37,885 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:38:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:38:37,886 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:37,886 INFO L357 BasicCegarLoop]: trace histogram [169, 1, 1, 1] [2018-07-23 13:38:37,886 INFO L414 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:37,886 INFO L82 PathProgramCache]: Analyzing trace with hash 390374380, now seen corresponding path program 169 times [2018-07-23 13:38:37,886 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:38,563 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:38,564 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:38:38,564 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:38,564 INFO L185 omatonBuilderFactory]: Interpolants [75553#true, 75555#(<= ULTIMATE.start_main_~y~4 0), 75554#false, 75557#(<= ULTIMATE.start_main_~y~4 2), 75556#(<= ULTIMATE.start_main_~y~4 1), 75559#(<= ULTIMATE.start_main_~y~4 4), 75558#(<= ULTIMATE.start_main_~y~4 3), 75561#(<= ULTIMATE.start_main_~y~4 6), 75560#(<= ULTIMATE.start_main_~y~4 5), 75563#(<= ULTIMATE.start_main_~y~4 8), 75562#(<= ULTIMATE.start_main_~y~4 7), 75565#(<= ULTIMATE.start_main_~y~4 10), 75564#(<= ULTIMATE.start_main_~y~4 9), 75567#(<= ULTIMATE.start_main_~y~4 12), 75566#(<= ULTIMATE.start_main_~y~4 11), 75569#(<= ULTIMATE.start_main_~y~4 14), 75568#(<= ULTIMATE.start_main_~y~4 13), 75571#(<= ULTIMATE.start_main_~y~4 16), 75570#(<= ULTIMATE.start_main_~y~4 15), 75573#(<= ULTIMATE.start_main_~y~4 18), 75572#(<= ULTIMATE.start_main_~y~4 17), 75575#(<= ULTIMATE.start_main_~y~4 20), 75574#(<= ULTIMATE.start_main_~y~4 19), 75577#(<= ULTIMATE.start_main_~y~4 22), 75576#(<= ULTIMATE.start_main_~y~4 21), 75579#(<= ULTIMATE.start_main_~y~4 24), 75578#(<= ULTIMATE.start_main_~y~4 23), 75581#(<= ULTIMATE.start_main_~y~4 26), 75580#(<= ULTIMATE.start_main_~y~4 25), 75583#(<= ULTIMATE.start_main_~y~4 28), 75582#(<= ULTIMATE.start_main_~y~4 27), 75585#(<= ULTIMATE.start_main_~y~4 30), 75584#(<= ULTIMATE.start_main_~y~4 29), 75587#(<= ULTIMATE.start_main_~y~4 32), 75586#(<= ULTIMATE.start_main_~y~4 31), 75589#(<= ULTIMATE.start_main_~y~4 34), 75588#(<= ULTIMATE.start_main_~y~4 33), 75591#(<= ULTIMATE.start_main_~y~4 36), 75590#(<= ULTIMATE.start_main_~y~4 35), 75593#(<= ULTIMATE.start_main_~y~4 38), 75592#(<= ULTIMATE.start_main_~y~4 37), 75595#(<= ULTIMATE.start_main_~y~4 40), 75594#(<= ULTIMATE.start_main_~y~4 39), 75597#(<= ULTIMATE.start_main_~y~4 42), 75596#(<= ULTIMATE.start_main_~y~4 41), 75599#(<= ULTIMATE.start_main_~y~4 44), 75598#(<= ULTIMATE.start_main_~y~4 43), 75601#(<= ULTIMATE.start_main_~y~4 46), 75600#(<= ULTIMATE.start_main_~y~4 45), 75603#(<= ULTIMATE.start_main_~y~4 48), 75602#(<= ULTIMATE.start_main_~y~4 47), 75605#(<= ULTIMATE.start_main_~y~4 50), 75604#(<= ULTIMATE.start_main_~y~4 49), 75607#(<= ULTIMATE.start_main_~y~4 52), 75606#(<= ULTIMATE.start_main_~y~4 51), 75609#(<= ULTIMATE.start_main_~y~4 54), 75608#(<= ULTIMATE.start_main_~y~4 53), 75611#(<= ULTIMATE.start_main_~y~4 56), 75610#(<= ULTIMATE.start_main_~y~4 55), 75613#(<= ULTIMATE.start_main_~y~4 58), 75612#(<= ULTIMATE.start_main_~y~4 57), 75615#(<= ULTIMATE.start_main_~y~4 60), 75614#(<= ULTIMATE.start_main_~y~4 59), 75617#(<= ULTIMATE.start_main_~y~4 62), 75616#(<= ULTIMATE.start_main_~y~4 61), 75619#(<= ULTIMATE.start_main_~y~4 64), 75618#(<= ULTIMATE.start_main_~y~4 63), 75621#(<= ULTIMATE.start_main_~y~4 66), 75620#(<= ULTIMATE.start_main_~y~4 65), 75623#(<= ULTIMATE.start_main_~y~4 68), 75622#(<= ULTIMATE.start_main_~y~4 67), 75625#(<= ULTIMATE.start_main_~y~4 70), 75624#(<= ULTIMATE.start_main_~y~4 69), 75627#(<= ULTIMATE.start_main_~y~4 72), 75626#(<= ULTIMATE.start_main_~y~4 71), 75629#(<= ULTIMATE.start_main_~y~4 74), 75628#(<= ULTIMATE.start_main_~y~4 73), 75631#(<= ULTIMATE.start_main_~y~4 76), 75630#(<= ULTIMATE.start_main_~y~4 75), 75633#(<= ULTIMATE.start_main_~y~4 78), 75632#(<= ULTIMATE.start_main_~y~4 77), 75635#(<= ULTIMATE.start_main_~y~4 80), 75634#(<= ULTIMATE.start_main_~y~4 79), 75637#(<= ULTIMATE.start_main_~y~4 82), 75636#(<= ULTIMATE.start_main_~y~4 81), 75639#(<= ULTIMATE.start_main_~y~4 84), 75638#(<= ULTIMATE.start_main_~y~4 83), 75641#(<= ULTIMATE.start_main_~y~4 86), 75640#(<= ULTIMATE.start_main_~y~4 85), 75643#(<= ULTIMATE.start_main_~y~4 88), 75642#(<= ULTIMATE.start_main_~y~4 87), 75645#(<= ULTIMATE.start_main_~y~4 90), 75644#(<= ULTIMATE.start_main_~y~4 89), 75647#(<= ULTIMATE.start_main_~y~4 92), 75646#(<= ULTIMATE.start_main_~y~4 91), 75649#(<= ULTIMATE.start_main_~y~4 94), 75648#(<= ULTIMATE.start_main_~y~4 93), 75651#(<= ULTIMATE.start_main_~y~4 96), 75650#(<= ULTIMATE.start_main_~y~4 95), 75653#(<= ULTIMATE.start_main_~y~4 98), 75652#(<= ULTIMATE.start_main_~y~4 97), 75655#(<= ULTIMATE.start_main_~y~4 100), 75654#(<= ULTIMATE.start_main_~y~4 99), 75657#(<= ULTIMATE.start_main_~y~4 102), 75656#(<= ULTIMATE.start_main_~y~4 101), 75659#(<= ULTIMATE.start_main_~y~4 104), 75658#(<= ULTIMATE.start_main_~y~4 103), 75661#(<= ULTIMATE.start_main_~y~4 106), 75660#(<= ULTIMATE.start_main_~y~4 105), 75663#(<= ULTIMATE.start_main_~y~4 108), 75662#(<= ULTIMATE.start_main_~y~4 107), 75665#(<= ULTIMATE.start_main_~y~4 110), 75664#(<= ULTIMATE.start_main_~y~4 109), 75667#(<= ULTIMATE.start_main_~y~4 112), 75666#(<= ULTIMATE.start_main_~y~4 111), 75669#(<= ULTIMATE.start_main_~y~4 114), 75668#(<= ULTIMATE.start_main_~y~4 113), 75671#(<= ULTIMATE.start_main_~y~4 116), 75670#(<= ULTIMATE.start_main_~y~4 115), 75673#(<= ULTIMATE.start_main_~y~4 118), 75672#(<= ULTIMATE.start_main_~y~4 117), 75675#(<= ULTIMATE.start_main_~y~4 120), 75674#(<= ULTIMATE.start_main_~y~4 119), 75677#(<= ULTIMATE.start_main_~y~4 122), 75676#(<= ULTIMATE.start_main_~y~4 121), 75679#(<= ULTIMATE.start_main_~y~4 124), 75678#(<= ULTIMATE.start_main_~y~4 123), 75681#(<= ULTIMATE.start_main_~y~4 126), 75680#(<= ULTIMATE.start_main_~y~4 125), 75683#(<= ULTIMATE.start_main_~y~4 128), 75682#(<= ULTIMATE.start_main_~y~4 127), 75685#(<= ULTIMATE.start_main_~y~4 130), 75684#(<= ULTIMATE.start_main_~y~4 129), 75687#(<= ULTIMATE.start_main_~y~4 132), 75686#(<= ULTIMATE.start_main_~y~4 131), 75689#(<= ULTIMATE.start_main_~y~4 134), 75688#(<= ULTIMATE.start_main_~y~4 133), 75691#(<= ULTIMATE.start_main_~y~4 136), 75690#(<= ULTIMATE.start_main_~y~4 135), 75693#(<= ULTIMATE.start_main_~y~4 138), 75692#(<= ULTIMATE.start_main_~y~4 137), 75695#(<= ULTIMATE.start_main_~y~4 140), 75694#(<= ULTIMATE.start_main_~y~4 139), 75697#(<= ULTIMATE.start_main_~y~4 142), 75696#(<= ULTIMATE.start_main_~y~4 141), 75699#(<= ULTIMATE.start_main_~y~4 144), 75698#(<= ULTIMATE.start_main_~y~4 143), 75701#(<= ULTIMATE.start_main_~y~4 146), 75700#(<= ULTIMATE.start_main_~y~4 145), 75703#(<= ULTIMATE.start_main_~y~4 148), 75702#(<= ULTIMATE.start_main_~y~4 147), 75705#(<= ULTIMATE.start_main_~y~4 150), 75704#(<= ULTIMATE.start_main_~y~4 149), 75707#(<= ULTIMATE.start_main_~y~4 152), 75706#(<= ULTIMATE.start_main_~y~4 151), 75709#(<= ULTIMATE.start_main_~y~4 154), 75708#(<= ULTIMATE.start_main_~y~4 153), 75711#(<= ULTIMATE.start_main_~y~4 156), 75710#(<= ULTIMATE.start_main_~y~4 155), 75713#(<= ULTIMATE.start_main_~y~4 158), 75712#(<= ULTIMATE.start_main_~y~4 157), 75715#(<= ULTIMATE.start_main_~y~4 160), 75714#(<= ULTIMATE.start_main_~y~4 159), 75717#(<= ULTIMATE.start_main_~y~4 162), 75716#(<= ULTIMATE.start_main_~y~4 161), 75719#(<= ULTIMATE.start_main_~y~4 164), 75718#(<= ULTIMATE.start_main_~y~4 163), 75721#(<= ULTIMATE.start_main_~y~4 166), 75720#(<= ULTIMATE.start_main_~y~4 165), 75723#(<= ULTIMATE.start_main_~y~4 168), 75722#(<= ULTIMATE.start_main_~y~4 167), 75724#(<= ULTIMATE.start_main_~y~4 169)] [2018-07-23 13:38:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:38,565 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:38:38,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:38:38,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:38:38,568 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 172 states. [2018-07-23 13:38:39,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:39,291 INFO L93 Difference]: Finished difference Result 176 states and 176 transitions. [2018-07-23 13:38:39,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:38:39,291 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 172 [2018-07-23 13:38:39,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:39,292 INFO L225 Difference]: With dead ends: 176 [2018-07-23 13:38:39,292 INFO L226 Difference]: Without dead ends: 174 [2018-07-23 13:38:39,293 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:38:39,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-23 13:38:39,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-07-23 13:38:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-07-23 13:38:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 174 transitions. [2018-07-23 13:38:39,296 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 174 transitions. Word has length 172 [2018-07-23 13:38:39,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:39,296 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 174 transitions. [2018-07-23 13:38:39,296 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:38:39,296 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 174 transitions. [2018-07-23 13:38:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-07-23 13:38:39,296 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:39,296 INFO L357 BasicCegarLoop]: trace histogram [170, 1, 1, 1] [2018-07-23 13:38:39,297 INFO L414 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:39,297 INFO L82 PathProgramCache]: Analyzing trace with hash -783294301, now seen corresponding path program 170 times [2018-07-23 13:38:39,297 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 14535 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:40,000 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:40,000 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:38:40,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:40,001 INFO L185 omatonBuilderFactory]: Interpolants [76545#(<= ULTIMATE.start_main_~y~4 118), 76544#(<= ULTIMATE.start_main_~y~4 117), 76547#(<= ULTIMATE.start_main_~y~4 120), 76546#(<= ULTIMATE.start_main_~y~4 119), 76549#(<= ULTIMATE.start_main_~y~4 122), 76548#(<= ULTIMATE.start_main_~y~4 121), 76551#(<= ULTIMATE.start_main_~y~4 124), 76550#(<= ULTIMATE.start_main_~y~4 123), 76553#(<= ULTIMATE.start_main_~y~4 126), 76552#(<= ULTIMATE.start_main_~y~4 125), 76555#(<= ULTIMATE.start_main_~y~4 128), 76554#(<= ULTIMATE.start_main_~y~4 127), 76557#(<= ULTIMATE.start_main_~y~4 130), 76556#(<= ULTIMATE.start_main_~y~4 129), 76559#(<= ULTIMATE.start_main_~y~4 132), 76558#(<= ULTIMATE.start_main_~y~4 131), 76561#(<= ULTIMATE.start_main_~y~4 134), 76560#(<= ULTIMATE.start_main_~y~4 133), 76563#(<= ULTIMATE.start_main_~y~4 136), 76562#(<= ULTIMATE.start_main_~y~4 135), 76565#(<= ULTIMATE.start_main_~y~4 138), 76564#(<= ULTIMATE.start_main_~y~4 137), 76567#(<= ULTIMATE.start_main_~y~4 140), 76566#(<= ULTIMATE.start_main_~y~4 139), 76569#(<= ULTIMATE.start_main_~y~4 142), 76568#(<= ULTIMATE.start_main_~y~4 141), 76571#(<= ULTIMATE.start_main_~y~4 144), 76570#(<= ULTIMATE.start_main_~y~4 143), 76573#(<= ULTIMATE.start_main_~y~4 146), 76572#(<= ULTIMATE.start_main_~y~4 145), 76575#(<= ULTIMATE.start_main_~y~4 148), 76574#(<= ULTIMATE.start_main_~y~4 147), 76577#(<= ULTIMATE.start_main_~y~4 150), 76576#(<= ULTIMATE.start_main_~y~4 149), 76579#(<= ULTIMATE.start_main_~y~4 152), 76578#(<= ULTIMATE.start_main_~y~4 151), 76581#(<= ULTIMATE.start_main_~y~4 154), 76580#(<= ULTIMATE.start_main_~y~4 153), 76583#(<= ULTIMATE.start_main_~y~4 156), 76582#(<= ULTIMATE.start_main_~y~4 155), 76585#(<= ULTIMATE.start_main_~y~4 158), 76584#(<= ULTIMATE.start_main_~y~4 157), 76587#(<= ULTIMATE.start_main_~y~4 160), 76586#(<= ULTIMATE.start_main_~y~4 159), 76589#(<= ULTIMATE.start_main_~y~4 162), 76588#(<= ULTIMATE.start_main_~y~4 161), 76591#(<= ULTIMATE.start_main_~y~4 164), 76590#(<= ULTIMATE.start_main_~y~4 163), 76593#(<= ULTIMATE.start_main_~y~4 166), 76592#(<= ULTIMATE.start_main_~y~4 165), 76595#(<= ULTIMATE.start_main_~y~4 168), 76594#(<= ULTIMATE.start_main_~y~4 167), 76597#(<= ULTIMATE.start_main_~y~4 170), 76596#(<= ULTIMATE.start_main_~y~4 169), 76425#true, 76427#(<= ULTIMATE.start_main_~y~4 0), 76426#false, 76429#(<= ULTIMATE.start_main_~y~4 2), 76428#(<= ULTIMATE.start_main_~y~4 1), 76431#(<= ULTIMATE.start_main_~y~4 4), 76430#(<= ULTIMATE.start_main_~y~4 3), 76433#(<= ULTIMATE.start_main_~y~4 6), 76432#(<= ULTIMATE.start_main_~y~4 5), 76435#(<= ULTIMATE.start_main_~y~4 8), 76434#(<= ULTIMATE.start_main_~y~4 7), 76437#(<= ULTIMATE.start_main_~y~4 10), 76436#(<= ULTIMATE.start_main_~y~4 9), 76439#(<= ULTIMATE.start_main_~y~4 12), 76438#(<= ULTIMATE.start_main_~y~4 11), 76441#(<= ULTIMATE.start_main_~y~4 14), 76440#(<= ULTIMATE.start_main_~y~4 13), 76443#(<= ULTIMATE.start_main_~y~4 16), 76442#(<= ULTIMATE.start_main_~y~4 15), 76445#(<= ULTIMATE.start_main_~y~4 18), 76444#(<= ULTIMATE.start_main_~y~4 17), 76447#(<= ULTIMATE.start_main_~y~4 20), 76446#(<= ULTIMATE.start_main_~y~4 19), 76449#(<= ULTIMATE.start_main_~y~4 22), 76448#(<= ULTIMATE.start_main_~y~4 21), 76451#(<= ULTIMATE.start_main_~y~4 24), 76450#(<= ULTIMATE.start_main_~y~4 23), 76453#(<= ULTIMATE.start_main_~y~4 26), 76452#(<= ULTIMATE.start_main_~y~4 25), 76455#(<= ULTIMATE.start_main_~y~4 28), 76454#(<= ULTIMATE.start_main_~y~4 27), 76457#(<= ULTIMATE.start_main_~y~4 30), 76456#(<= ULTIMATE.start_main_~y~4 29), 76459#(<= ULTIMATE.start_main_~y~4 32), 76458#(<= ULTIMATE.start_main_~y~4 31), 76461#(<= ULTIMATE.start_main_~y~4 34), 76460#(<= ULTIMATE.start_main_~y~4 33), 76463#(<= ULTIMATE.start_main_~y~4 36), 76462#(<= ULTIMATE.start_main_~y~4 35), 76465#(<= ULTIMATE.start_main_~y~4 38), 76464#(<= ULTIMATE.start_main_~y~4 37), 76467#(<= ULTIMATE.start_main_~y~4 40), 76466#(<= ULTIMATE.start_main_~y~4 39), 76469#(<= ULTIMATE.start_main_~y~4 42), 76468#(<= ULTIMATE.start_main_~y~4 41), 76471#(<= ULTIMATE.start_main_~y~4 44), 76470#(<= ULTIMATE.start_main_~y~4 43), 76473#(<= ULTIMATE.start_main_~y~4 46), 76472#(<= ULTIMATE.start_main_~y~4 45), 76475#(<= ULTIMATE.start_main_~y~4 48), 76474#(<= ULTIMATE.start_main_~y~4 47), 76477#(<= ULTIMATE.start_main_~y~4 50), 76476#(<= ULTIMATE.start_main_~y~4 49), 76479#(<= ULTIMATE.start_main_~y~4 52), 76478#(<= ULTIMATE.start_main_~y~4 51), 76481#(<= ULTIMATE.start_main_~y~4 54), 76480#(<= ULTIMATE.start_main_~y~4 53), 76483#(<= ULTIMATE.start_main_~y~4 56), 76482#(<= ULTIMATE.start_main_~y~4 55), 76485#(<= ULTIMATE.start_main_~y~4 58), 76484#(<= ULTIMATE.start_main_~y~4 57), 76487#(<= ULTIMATE.start_main_~y~4 60), 76486#(<= ULTIMATE.start_main_~y~4 59), 76489#(<= ULTIMATE.start_main_~y~4 62), 76488#(<= ULTIMATE.start_main_~y~4 61), 76491#(<= ULTIMATE.start_main_~y~4 64), 76490#(<= ULTIMATE.start_main_~y~4 63), 76493#(<= ULTIMATE.start_main_~y~4 66), 76492#(<= ULTIMATE.start_main_~y~4 65), 76495#(<= ULTIMATE.start_main_~y~4 68), 76494#(<= ULTIMATE.start_main_~y~4 67), 76497#(<= ULTIMATE.start_main_~y~4 70), 76496#(<= ULTIMATE.start_main_~y~4 69), 76499#(<= ULTIMATE.start_main_~y~4 72), 76498#(<= ULTIMATE.start_main_~y~4 71), 76501#(<= ULTIMATE.start_main_~y~4 74), 76500#(<= ULTIMATE.start_main_~y~4 73), 76503#(<= ULTIMATE.start_main_~y~4 76), 76502#(<= ULTIMATE.start_main_~y~4 75), 76505#(<= ULTIMATE.start_main_~y~4 78), 76504#(<= ULTIMATE.start_main_~y~4 77), 76507#(<= ULTIMATE.start_main_~y~4 80), 76506#(<= ULTIMATE.start_main_~y~4 79), 76509#(<= ULTIMATE.start_main_~y~4 82), 76508#(<= ULTIMATE.start_main_~y~4 81), 76511#(<= ULTIMATE.start_main_~y~4 84), 76510#(<= ULTIMATE.start_main_~y~4 83), 76513#(<= ULTIMATE.start_main_~y~4 86), 76512#(<= ULTIMATE.start_main_~y~4 85), 76515#(<= ULTIMATE.start_main_~y~4 88), 76514#(<= ULTIMATE.start_main_~y~4 87), 76517#(<= ULTIMATE.start_main_~y~4 90), 76516#(<= ULTIMATE.start_main_~y~4 89), 76519#(<= ULTIMATE.start_main_~y~4 92), 76518#(<= ULTIMATE.start_main_~y~4 91), 76521#(<= ULTIMATE.start_main_~y~4 94), 76520#(<= ULTIMATE.start_main_~y~4 93), 76523#(<= ULTIMATE.start_main_~y~4 96), 76522#(<= ULTIMATE.start_main_~y~4 95), 76525#(<= ULTIMATE.start_main_~y~4 98), 76524#(<= ULTIMATE.start_main_~y~4 97), 76527#(<= ULTIMATE.start_main_~y~4 100), 76526#(<= ULTIMATE.start_main_~y~4 99), 76529#(<= ULTIMATE.start_main_~y~4 102), 76528#(<= ULTIMATE.start_main_~y~4 101), 76531#(<= ULTIMATE.start_main_~y~4 104), 76530#(<= ULTIMATE.start_main_~y~4 103), 76533#(<= ULTIMATE.start_main_~y~4 106), 76532#(<= ULTIMATE.start_main_~y~4 105), 76535#(<= ULTIMATE.start_main_~y~4 108), 76534#(<= ULTIMATE.start_main_~y~4 107), 76537#(<= ULTIMATE.start_main_~y~4 110), 76536#(<= ULTIMATE.start_main_~y~4 109), 76539#(<= ULTIMATE.start_main_~y~4 112), 76538#(<= ULTIMATE.start_main_~y~4 111), 76541#(<= ULTIMATE.start_main_~y~4 114), 76540#(<= ULTIMATE.start_main_~y~4 113), 76543#(<= ULTIMATE.start_main_~y~4 116), 76542#(<= ULTIMATE.start_main_~y~4 115)] [2018-07-23 13:38:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 14535 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:40,002 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:38:40,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:38:40,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:38:40,006 INFO L87 Difference]: Start difference. First operand 174 states and 174 transitions. Second operand 173 states. [2018-07-23 13:38:40,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:40,270 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:38:40,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:38:40,270 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 173 [2018-07-23 13:38:40,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:40,270 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:38:40,270 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:38:40,272 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:38:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:38:40,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:38:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:38:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:38:40,276 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 173 [2018-07-23 13:38:40,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:40,276 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:38:40,276 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:38:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:38:40,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:38:40,277 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:40,277 INFO L357 BasicCegarLoop]: trace histogram [171, 1, 1, 1] [2018-07-23 13:38:40,277 INFO L414 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:40,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1487682252, now seen corresponding path program 171 times [2018-07-23 13:38:40,277 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 14706 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:41,019 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:41,020 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:38:41,020 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:41,020 INFO L185 omatonBuilderFactory]: Interpolants [77313#(<= ULTIMATE.start_main_~y~4 9), 77312#(<= ULTIMATE.start_main_~y~4 8), 77315#(<= ULTIMATE.start_main_~y~4 11), 77314#(<= ULTIMATE.start_main_~y~4 10), 77317#(<= ULTIMATE.start_main_~y~4 13), 77316#(<= ULTIMATE.start_main_~y~4 12), 77319#(<= ULTIMATE.start_main_~y~4 15), 77318#(<= ULTIMATE.start_main_~y~4 14), 77321#(<= ULTIMATE.start_main_~y~4 17), 77320#(<= ULTIMATE.start_main_~y~4 16), 77323#(<= ULTIMATE.start_main_~y~4 19), 77322#(<= ULTIMATE.start_main_~y~4 18), 77325#(<= ULTIMATE.start_main_~y~4 21), 77324#(<= ULTIMATE.start_main_~y~4 20), 77327#(<= ULTIMATE.start_main_~y~4 23), 77326#(<= ULTIMATE.start_main_~y~4 22), 77329#(<= ULTIMATE.start_main_~y~4 25), 77328#(<= ULTIMATE.start_main_~y~4 24), 77331#(<= ULTIMATE.start_main_~y~4 27), 77330#(<= ULTIMATE.start_main_~y~4 26), 77333#(<= ULTIMATE.start_main_~y~4 29), 77332#(<= ULTIMATE.start_main_~y~4 28), 77335#(<= ULTIMATE.start_main_~y~4 31), 77334#(<= ULTIMATE.start_main_~y~4 30), 77337#(<= ULTIMATE.start_main_~y~4 33), 77336#(<= ULTIMATE.start_main_~y~4 32), 77339#(<= ULTIMATE.start_main_~y~4 35), 77338#(<= ULTIMATE.start_main_~y~4 34), 77341#(<= ULTIMATE.start_main_~y~4 37), 77340#(<= ULTIMATE.start_main_~y~4 36), 77343#(<= ULTIMATE.start_main_~y~4 39), 77342#(<= ULTIMATE.start_main_~y~4 38), 77345#(<= ULTIMATE.start_main_~y~4 41), 77344#(<= ULTIMATE.start_main_~y~4 40), 77347#(<= ULTIMATE.start_main_~y~4 43), 77346#(<= ULTIMATE.start_main_~y~4 42), 77349#(<= ULTIMATE.start_main_~y~4 45), 77348#(<= ULTIMATE.start_main_~y~4 44), 77351#(<= ULTIMATE.start_main_~y~4 47), 77350#(<= ULTIMATE.start_main_~y~4 46), 77353#(<= ULTIMATE.start_main_~y~4 49), 77352#(<= ULTIMATE.start_main_~y~4 48), 77355#(<= ULTIMATE.start_main_~y~4 51), 77354#(<= ULTIMATE.start_main_~y~4 50), 77357#(<= ULTIMATE.start_main_~y~4 53), 77356#(<= ULTIMATE.start_main_~y~4 52), 77359#(<= ULTIMATE.start_main_~y~4 55), 77358#(<= ULTIMATE.start_main_~y~4 54), 77361#(<= ULTIMATE.start_main_~y~4 57), 77360#(<= ULTIMATE.start_main_~y~4 56), 77363#(<= ULTIMATE.start_main_~y~4 59), 77362#(<= ULTIMATE.start_main_~y~4 58), 77365#(<= ULTIMATE.start_main_~y~4 61), 77364#(<= ULTIMATE.start_main_~y~4 60), 77367#(<= ULTIMATE.start_main_~y~4 63), 77366#(<= ULTIMATE.start_main_~y~4 62), 77369#(<= ULTIMATE.start_main_~y~4 65), 77368#(<= ULTIMATE.start_main_~y~4 64), 77371#(<= ULTIMATE.start_main_~y~4 67), 77370#(<= ULTIMATE.start_main_~y~4 66), 77373#(<= ULTIMATE.start_main_~y~4 69), 77372#(<= ULTIMATE.start_main_~y~4 68), 77375#(<= ULTIMATE.start_main_~y~4 71), 77374#(<= ULTIMATE.start_main_~y~4 70), 77377#(<= ULTIMATE.start_main_~y~4 73), 77376#(<= ULTIMATE.start_main_~y~4 72), 77379#(<= ULTIMATE.start_main_~y~4 75), 77378#(<= ULTIMATE.start_main_~y~4 74), 77381#(<= ULTIMATE.start_main_~y~4 77), 77380#(<= ULTIMATE.start_main_~y~4 76), 77383#(<= ULTIMATE.start_main_~y~4 79), 77382#(<= ULTIMATE.start_main_~y~4 78), 77385#(<= ULTIMATE.start_main_~y~4 81), 77384#(<= ULTIMATE.start_main_~y~4 80), 77387#(<= ULTIMATE.start_main_~y~4 83), 77386#(<= ULTIMATE.start_main_~y~4 82), 77389#(<= ULTIMATE.start_main_~y~4 85), 77388#(<= ULTIMATE.start_main_~y~4 84), 77391#(<= ULTIMATE.start_main_~y~4 87), 77390#(<= ULTIMATE.start_main_~y~4 86), 77393#(<= ULTIMATE.start_main_~y~4 89), 77392#(<= ULTIMATE.start_main_~y~4 88), 77395#(<= ULTIMATE.start_main_~y~4 91), 77394#(<= ULTIMATE.start_main_~y~4 90), 77397#(<= ULTIMATE.start_main_~y~4 93), 77396#(<= ULTIMATE.start_main_~y~4 92), 77399#(<= ULTIMATE.start_main_~y~4 95), 77398#(<= ULTIMATE.start_main_~y~4 94), 77401#(<= ULTIMATE.start_main_~y~4 97), 77400#(<= ULTIMATE.start_main_~y~4 96), 77403#(<= ULTIMATE.start_main_~y~4 99), 77402#(<= ULTIMATE.start_main_~y~4 98), 77405#(<= ULTIMATE.start_main_~y~4 101), 77404#(<= ULTIMATE.start_main_~y~4 100), 77407#(<= ULTIMATE.start_main_~y~4 103), 77406#(<= ULTIMATE.start_main_~y~4 102), 77409#(<= ULTIMATE.start_main_~y~4 105), 77408#(<= ULTIMATE.start_main_~y~4 104), 77411#(<= ULTIMATE.start_main_~y~4 107), 77410#(<= ULTIMATE.start_main_~y~4 106), 77413#(<= ULTIMATE.start_main_~y~4 109), 77412#(<= ULTIMATE.start_main_~y~4 108), 77415#(<= ULTIMATE.start_main_~y~4 111), 77414#(<= ULTIMATE.start_main_~y~4 110), 77417#(<= ULTIMATE.start_main_~y~4 113), 77416#(<= ULTIMATE.start_main_~y~4 112), 77419#(<= ULTIMATE.start_main_~y~4 115), 77418#(<= ULTIMATE.start_main_~y~4 114), 77421#(<= ULTIMATE.start_main_~y~4 117), 77420#(<= ULTIMATE.start_main_~y~4 116), 77423#(<= ULTIMATE.start_main_~y~4 119), 77422#(<= ULTIMATE.start_main_~y~4 118), 77425#(<= ULTIMATE.start_main_~y~4 121), 77424#(<= ULTIMATE.start_main_~y~4 120), 77427#(<= ULTIMATE.start_main_~y~4 123), 77426#(<= ULTIMATE.start_main_~y~4 122), 77429#(<= ULTIMATE.start_main_~y~4 125), 77428#(<= ULTIMATE.start_main_~y~4 124), 77431#(<= ULTIMATE.start_main_~y~4 127), 77430#(<= ULTIMATE.start_main_~y~4 126), 77433#(<= ULTIMATE.start_main_~y~4 129), 77432#(<= ULTIMATE.start_main_~y~4 128), 77435#(<= ULTIMATE.start_main_~y~4 131), 77434#(<= ULTIMATE.start_main_~y~4 130), 77437#(<= ULTIMATE.start_main_~y~4 133), 77436#(<= ULTIMATE.start_main_~y~4 132), 77439#(<= ULTIMATE.start_main_~y~4 135), 77438#(<= ULTIMATE.start_main_~y~4 134), 77441#(<= ULTIMATE.start_main_~y~4 137), 77440#(<= ULTIMATE.start_main_~y~4 136), 77443#(<= ULTIMATE.start_main_~y~4 139), 77442#(<= ULTIMATE.start_main_~y~4 138), 77445#(<= ULTIMATE.start_main_~y~4 141), 77444#(<= ULTIMATE.start_main_~y~4 140), 77447#(<= ULTIMATE.start_main_~y~4 143), 77446#(<= ULTIMATE.start_main_~y~4 142), 77449#(<= ULTIMATE.start_main_~y~4 145), 77448#(<= ULTIMATE.start_main_~y~4 144), 77451#(<= ULTIMATE.start_main_~y~4 147), 77450#(<= ULTIMATE.start_main_~y~4 146), 77453#(<= ULTIMATE.start_main_~y~4 149), 77452#(<= ULTIMATE.start_main_~y~4 148), 77455#(<= ULTIMATE.start_main_~y~4 151), 77454#(<= ULTIMATE.start_main_~y~4 150), 77457#(<= ULTIMATE.start_main_~y~4 153), 77456#(<= ULTIMATE.start_main_~y~4 152), 77459#(<= ULTIMATE.start_main_~y~4 155), 77458#(<= ULTIMATE.start_main_~y~4 154), 77461#(<= ULTIMATE.start_main_~y~4 157), 77460#(<= ULTIMATE.start_main_~y~4 156), 77463#(<= ULTIMATE.start_main_~y~4 159), 77462#(<= ULTIMATE.start_main_~y~4 158), 77465#(<= ULTIMATE.start_main_~y~4 161), 77464#(<= ULTIMATE.start_main_~y~4 160), 77467#(<= ULTIMATE.start_main_~y~4 163), 77466#(<= ULTIMATE.start_main_~y~4 162), 77469#(<= ULTIMATE.start_main_~y~4 165), 77468#(<= ULTIMATE.start_main_~y~4 164), 77471#(<= ULTIMATE.start_main_~y~4 167), 77470#(<= ULTIMATE.start_main_~y~4 166), 77473#(<= ULTIMATE.start_main_~y~4 169), 77472#(<= ULTIMATE.start_main_~y~4 168), 77475#(<= ULTIMATE.start_main_~y~4 171), 77474#(<= ULTIMATE.start_main_~y~4 170), 77303#false, 77302#true, 77305#(<= ULTIMATE.start_main_~y~4 1), 77304#(<= ULTIMATE.start_main_~y~4 0), 77307#(<= ULTIMATE.start_main_~y~4 3), 77306#(<= ULTIMATE.start_main_~y~4 2), 77309#(<= ULTIMATE.start_main_~y~4 5), 77308#(<= ULTIMATE.start_main_~y~4 4), 77311#(<= ULTIMATE.start_main_~y~4 7), 77310#(<= ULTIMATE.start_main_~y~4 6)] [2018-07-23 13:38:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 14706 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:41,021 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:38:41,023 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:38:41,024 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:38:41,024 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 174 states. [2018-07-23 13:38:41,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:41,789 INFO L93 Difference]: Finished difference Result 178 states and 178 transitions. [2018-07-23 13:38:41,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:38:41,789 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 174 [2018-07-23 13:38:41,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:41,789 INFO L225 Difference]: With dead ends: 178 [2018-07-23 13:38:41,789 INFO L226 Difference]: Without dead ends: 176 [2018-07-23 13:38:41,791 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:38:41,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-07-23 13:38:41,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-07-23 13:38:41,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-07-23 13:38:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 176 transitions. [2018-07-23 13:38:41,795 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 176 transitions. Word has length 174 [2018-07-23 13:38:41,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:41,795 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 176 transitions. [2018-07-23 13:38:41,795 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:38:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 176 transitions. [2018-07-23 13:38:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-07-23 13:38:41,796 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:41,796 INFO L357 BasicCegarLoop]: trace histogram [172, 1, 1, 1] [2018-07-23 13:38:41,796 INFO L414 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:41,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1126488637, now seen corresponding path program 172 times [2018-07-23 13:38:41,796 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:42,625 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:42,626 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:42,626 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:38:42,626 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:42,626 INFO L185 omatonBuilderFactory]: Interpolants [78337#(<= ULTIMATE.start_main_~y~4 151), 78336#(<= ULTIMATE.start_main_~y~4 150), 78339#(<= ULTIMATE.start_main_~y~4 153), 78338#(<= ULTIMATE.start_main_~y~4 152), 78341#(<= ULTIMATE.start_main_~y~4 155), 78340#(<= ULTIMATE.start_main_~y~4 154), 78343#(<= ULTIMATE.start_main_~y~4 157), 78342#(<= ULTIMATE.start_main_~y~4 156), 78345#(<= ULTIMATE.start_main_~y~4 159), 78344#(<= ULTIMATE.start_main_~y~4 158), 78347#(<= ULTIMATE.start_main_~y~4 161), 78346#(<= ULTIMATE.start_main_~y~4 160), 78349#(<= ULTIMATE.start_main_~y~4 163), 78348#(<= ULTIMATE.start_main_~y~4 162), 78351#(<= ULTIMATE.start_main_~y~4 165), 78350#(<= ULTIMATE.start_main_~y~4 164), 78353#(<= ULTIMATE.start_main_~y~4 167), 78352#(<= ULTIMATE.start_main_~y~4 166), 78355#(<= ULTIMATE.start_main_~y~4 169), 78354#(<= ULTIMATE.start_main_~y~4 168), 78357#(<= ULTIMATE.start_main_~y~4 171), 78356#(<= ULTIMATE.start_main_~y~4 170), 78358#(<= ULTIMATE.start_main_~y~4 172), 78185#false, 78184#true, 78187#(<= ULTIMATE.start_main_~y~4 1), 78186#(<= ULTIMATE.start_main_~y~4 0), 78189#(<= ULTIMATE.start_main_~y~4 3), 78188#(<= ULTIMATE.start_main_~y~4 2), 78191#(<= ULTIMATE.start_main_~y~4 5), 78190#(<= ULTIMATE.start_main_~y~4 4), 78193#(<= ULTIMATE.start_main_~y~4 7), 78192#(<= ULTIMATE.start_main_~y~4 6), 78195#(<= ULTIMATE.start_main_~y~4 9), 78194#(<= ULTIMATE.start_main_~y~4 8), 78197#(<= ULTIMATE.start_main_~y~4 11), 78196#(<= ULTIMATE.start_main_~y~4 10), 78199#(<= ULTIMATE.start_main_~y~4 13), 78198#(<= ULTIMATE.start_main_~y~4 12), 78201#(<= ULTIMATE.start_main_~y~4 15), 78200#(<= ULTIMATE.start_main_~y~4 14), 78203#(<= ULTIMATE.start_main_~y~4 17), 78202#(<= ULTIMATE.start_main_~y~4 16), 78205#(<= ULTIMATE.start_main_~y~4 19), 78204#(<= ULTIMATE.start_main_~y~4 18), 78207#(<= ULTIMATE.start_main_~y~4 21), 78206#(<= ULTIMATE.start_main_~y~4 20), 78209#(<= ULTIMATE.start_main_~y~4 23), 78208#(<= ULTIMATE.start_main_~y~4 22), 78211#(<= ULTIMATE.start_main_~y~4 25), 78210#(<= ULTIMATE.start_main_~y~4 24), 78213#(<= ULTIMATE.start_main_~y~4 27), 78212#(<= ULTIMATE.start_main_~y~4 26), 78215#(<= ULTIMATE.start_main_~y~4 29), 78214#(<= ULTIMATE.start_main_~y~4 28), 78217#(<= ULTIMATE.start_main_~y~4 31), 78216#(<= ULTIMATE.start_main_~y~4 30), 78219#(<= ULTIMATE.start_main_~y~4 33), 78218#(<= ULTIMATE.start_main_~y~4 32), 78221#(<= ULTIMATE.start_main_~y~4 35), 78220#(<= ULTIMATE.start_main_~y~4 34), 78223#(<= ULTIMATE.start_main_~y~4 37), 78222#(<= ULTIMATE.start_main_~y~4 36), 78225#(<= ULTIMATE.start_main_~y~4 39), 78224#(<= ULTIMATE.start_main_~y~4 38), 78227#(<= ULTIMATE.start_main_~y~4 41), 78226#(<= ULTIMATE.start_main_~y~4 40), 78229#(<= ULTIMATE.start_main_~y~4 43), 78228#(<= ULTIMATE.start_main_~y~4 42), 78231#(<= ULTIMATE.start_main_~y~4 45), 78230#(<= ULTIMATE.start_main_~y~4 44), 78233#(<= ULTIMATE.start_main_~y~4 47), 78232#(<= ULTIMATE.start_main_~y~4 46), 78235#(<= ULTIMATE.start_main_~y~4 49), 78234#(<= ULTIMATE.start_main_~y~4 48), 78237#(<= ULTIMATE.start_main_~y~4 51), 78236#(<= ULTIMATE.start_main_~y~4 50), 78239#(<= ULTIMATE.start_main_~y~4 53), 78238#(<= ULTIMATE.start_main_~y~4 52), 78241#(<= ULTIMATE.start_main_~y~4 55), 78240#(<= ULTIMATE.start_main_~y~4 54), 78243#(<= ULTIMATE.start_main_~y~4 57), 78242#(<= ULTIMATE.start_main_~y~4 56), 78245#(<= ULTIMATE.start_main_~y~4 59), 78244#(<= ULTIMATE.start_main_~y~4 58), 78247#(<= ULTIMATE.start_main_~y~4 61), 78246#(<= ULTIMATE.start_main_~y~4 60), 78249#(<= ULTIMATE.start_main_~y~4 63), 78248#(<= ULTIMATE.start_main_~y~4 62), 78251#(<= ULTIMATE.start_main_~y~4 65), 78250#(<= ULTIMATE.start_main_~y~4 64), 78253#(<= ULTIMATE.start_main_~y~4 67), 78252#(<= ULTIMATE.start_main_~y~4 66), 78255#(<= ULTIMATE.start_main_~y~4 69), 78254#(<= ULTIMATE.start_main_~y~4 68), 78257#(<= ULTIMATE.start_main_~y~4 71), 78256#(<= ULTIMATE.start_main_~y~4 70), 78259#(<= ULTIMATE.start_main_~y~4 73), 78258#(<= ULTIMATE.start_main_~y~4 72), 78261#(<= ULTIMATE.start_main_~y~4 75), 78260#(<= ULTIMATE.start_main_~y~4 74), 78263#(<= ULTIMATE.start_main_~y~4 77), 78262#(<= ULTIMATE.start_main_~y~4 76), 78265#(<= ULTIMATE.start_main_~y~4 79), 78264#(<= ULTIMATE.start_main_~y~4 78), 78267#(<= ULTIMATE.start_main_~y~4 81), 78266#(<= ULTIMATE.start_main_~y~4 80), 78269#(<= ULTIMATE.start_main_~y~4 83), 78268#(<= ULTIMATE.start_main_~y~4 82), 78271#(<= ULTIMATE.start_main_~y~4 85), 78270#(<= ULTIMATE.start_main_~y~4 84), 78273#(<= ULTIMATE.start_main_~y~4 87), 78272#(<= ULTIMATE.start_main_~y~4 86), 78275#(<= ULTIMATE.start_main_~y~4 89), 78274#(<= ULTIMATE.start_main_~y~4 88), 78277#(<= ULTIMATE.start_main_~y~4 91), 78276#(<= ULTIMATE.start_main_~y~4 90), 78279#(<= ULTIMATE.start_main_~y~4 93), 78278#(<= ULTIMATE.start_main_~y~4 92), 78281#(<= ULTIMATE.start_main_~y~4 95), 78280#(<= ULTIMATE.start_main_~y~4 94), 78283#(<= ULTIMATE.start_main_~y~4 97), 78282#(<= ULTIMATE.start_main_~y~4 96), 78285#(<= ULTIMATE.start_main_~y~4 99), 78284#(<= ULTIMATE.start_main_~y~4 98), 78287#(<= ULTIMATE.start_main_~y~4 101), 78286#(<= ULTIMATE.start_main_~y~4 100), 78289#(<= ULTIMATE.start_main_~y~4 103), 78288#(<= ULTIMATE.start_main_~y~4 102), 78291#(<= ULTIMATE.start_main_~y~4 105), 78290#(<= ULTIMATE.start_main_~y~4 104), 78293#(<= ULTIMATE.start_main_~y~4 107), 78292#(<= ULTIMATE.start_main_~y~4 106), 78295#(<= ULTIMATE.start_main_~y~4 109), 78294#(<= ULTIMATE.start_main_~y~4 108), 78297#(<= ULTIMATE.start_main_~y~4 111), 78296#(<= ULTIMATE.start_main_~y~4 110), 78299#(<= ULTIMATE.start_main_~y~4 113), 78298#(<= ULTIMATE.start_main_~y~4 112), 78301#(<= ULTIMATE.start_main_~y~4 115), 78300#(<= ULTIMATE.start_main_~y~4 114), 78303#(<= ULTIMATE.start_main_~y~4 117), 78302#(<= ULTIMATE.start_main_~y~4 116), 78305#(<= ULTIMATE.start_main_~y~4 119), 78304#(<= ULTIMATE.start_main_~y~4 118), 78307#(<= ULTIMATE.start_main_~y~4 121), 78306#(<= ULTIMATE.start_main_~y~4 120), 78309#(<= ULTIMATE.start_main_~y~4 123), 78308#(<= ULTIMATE.start_main_~y~4 122), 78311#(<= ULTIMATE.start_main_~y~4 125), 78310#(<= ULTIMATE.start_main_~y~4 124), 78313#(<= ULTIMATE.start_main_~y~4 127), 78312#(<= ULTIMATE.start_main_~y~4 126), 78315#(<= ULTIMATE.start_main_~y~4 129), 78314#(<= ULTIMATE.start_main_~y~4 128), 78317#(<= ULTIMATE.start_main_~y~4 131), 78316#(<= ULTIMATE.start_main_~y~4 130), 78319#(<= ULTIMATE.start_main_~y~4 133), 78318#(<= ULTIMATE.start_main_~y~4 132), 78321#(<= ULTIMATE.start_main_~y~4 135), 78320#(<= ULTIMATE.start_main_~y~4 134), 78323#(<= ULTIMATE.start_main_~y~4 137), 78322#(<= ULTIMATE.start_main_~y~4 136), 78325#(<= ULTIMATE.start_main_~y~4 139), 78324#(<= ULTIMATE.start_main_~y~4 138), 78327#(<= ULTIMATE.start_main_~y~4 141), 78326#(<= ULTIMATE.start_main_~y~4 140), 78329#(<= ULTIMATE.start_main_~y~4 143), 78328#(<= ULTIMATE.start_main_~y~4 142), 78331#(<= ULTIMATE.start_main_~y~4 145), 78330#(<= ULTIMATE.start_main_~y~4 144), 78333#(<= ULTIMATE.start_main_~y~4 147), 78332#(<= ULTIMATE.start_main_~y~4 146), 78335#(<= ULTIMATE.start_main_~y~4 149), 78334#(<= ULTIMATE.start_main_~y~4 148)] [2018-07-23 13:38:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:42,627 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:38:42,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:38:42,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:38:42,630 INFO L87 Difference]: Start difference. First operand 176 states and 176 transitions. Second operand 175 states. [2018-07-23 13:38:43,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:43,094 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:38:43,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:38:43,094 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 175 [2018-07-23 13:38:43,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:43,095 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:38:43,095 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:38:43,096 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:38:43,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:38:43,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:38:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:38:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:38:43,099 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 175 [2018-07-23 13:38:43,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:43,099 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:38:43,099 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:38:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:38:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:38:43,100 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:43,100 INFO L357 BasicCegarLoop]: trace histogram [173, 1, 1, 1] [2018-07-23 13:38:43,100 INFO L414 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:43,100 INFO L82 PathProgramCache]: Analyzing trace with hash -561407572, now seen corresponding path program 173 times [2018-07-23 13:38:43,101 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:43,810 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:43,810 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:38:43,810 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:43,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:43,811 INFO L185 omatonBuilderFactory]: Interpolants [79105#(<= ULTIMATE.start_main_~y~4 32), 79104#(<= ULTIMATE.start_main_~y~4 31), 79107#(<= ULTIMATE.start_main_~y~4 34), 79106#(<= ULTIMATE.start_main_~y~4 33), 79109#(<= ULTIMATE.start_main_~y~4 36), 79108#(<= ULTIMATE.start_main_~y~4 35), 79111#(<= ULTIMATE.start_main_~y~4 38), 79110#(<= ULTIMATE.start_main_~y~4 37), 79113#(<= ULTIMATE.start_main_~y~4 40), 79112#(<= ULTIMATE.start_main_~y~4 39), 79115#(<= ULTIMATE.start_main_~y~4 42), 79114#(<= ULTIMATE.start_main_~y~4 41), 79117#(<= ULTIMATE.start_main_~y~4 44), 79116#(<= ULTIMATE.start_main_~y~4 43), 79119#(<= ULTIMATE.start_main_~y~4 46), 79118#(<= ULTIMATE.start_main_~y~4 45), 79121#(<= ULTIMATE.start_main_~y~4 48), 79120#(<= ULTIMATE.start_main_~y~4 47), 79123#(<= ULTIMATE.start_main_~y~4 50), 79122#(<= ULTIMATE.start_main_~y~4 49), 79125#(<= ULTIMATE.start_main_~y~4 52), 79124#(<= ULTIMATE.start_main_~y~4 51), 79127#(<= ULTIMATE.start_main_~y~4 54), 79126#(<= ULTIMATE.start_main_~y~4 53), 79129#(<= ULTIMATE.start_main_~y~4 56), 79128#(<= ULTIMATE.start_main_~y~4 55), 79131#(<= ULTIMATE.start_main_~y~4 58), 79130#(<= ULTIMATE.start_main_~y~4 57), 79133#(<= ULTIMATE.start_main_~y~4 60), 79132#(<= ULTIMATE.start_main_~y~4 59), 79135#(<= ULTIMATE.start_main_~y~4 62), 79134#(<= ULTIMATE.start_main_~y~4 61), 79137#(<= ULTIMATE.start_main_~y~4 64), 79136#(<= ULTIMATE.start_main_~y~4 63), 79139#(<= ULTIMATE.start_main_~y~4 66), 79138#(<= ULTIMATE.start_main_~y~4 65), 79141#(<= ULTIMATE.start_main_~y~4 68), 79140#(<= ULTIMATE.start_main_~y~4 67), 79143#(<= ULTIMATE.start_main_~y~4 70), 79142#(<= ULTIMATE.start_main_~y~4 69), 79145#(<= ULTIMATE.start_main_~y~4 72), 79144#(<= ULTIMATE.start_main_~y~4 71), 79147#(<= ULTIMATE.start_main_~y~4 74), 79146#(<= ULTIMATE.start_main_~y~4 73), 79149#(<= ULTIMATE.start_main_~y~4 76), 79148#(<= ULTIMATE.start_main_~y~4 75), 79151#(<= ULTIMATE.start_main_~y~4 78), 79150#(<= ULTIMATE.start_main_~y~4 77), 79153#(<= ULTIMATE.start_main_~y~4 80), 79152#(<= ULTIMATE.start_main_~y~4 79), 79155#(<= ULTIMATE.start_main_~y~4 82), 79154#(<= ULTIMATE.start_main_~y~4 81), 79157#(<= ULTIMATE.start_main_~y~4 84), 79156#(<= ULTIMATE.start_main_~y~4 83), 79159#(<= ULTIMATE.start_main_~y~4 86), 79158#(<= ULTIMATE.start_main_~y~4 85), 79161#(<= ULTIMATE.start_main_~y~4 88), 79160#(<= ULTIMATE.start_main_~y~4 87), 79163#(<= ULTIMATE.start_main_~y~4 90), 79162#(<= ULTIMATE.start_main_~y~4 89), 79165#(<= ULTIMATE.start_main_~y~4 92), 79164#(<= ULTIMATE.start_main_~y~4 91), 79167#(<= ULTIMATE.start_main_~y~4 94), 79166#(<= ULTIMATE.start_main_~y~4 93), 79169#(<= ULTIMATE.start_main_~y~4 96), 79168#(<= ULTIMATE.start_main_~y~4 95), 79171#(<= ULTIMATE.start_main_~y~4 98), 79170#(<= ULTIMATE.start_main_~y~4 97), 79173#(<= ULTIMATE.start_main_~y~4 100), 79172#(<= ULTIMATE.start_main_~y~4 99), 79175#(<= ULTIMATE.start_main_~y~4 102), 79174#(<= ULTIMATE.start_main_~y~4 101), 79177#(<= ULTIMATE.start_main_~y~4 104), 79176#(<= ULTIMATE.start_main_~y~4 103), 79179#(<= ULTIMATE.start_main_~y~4 106), 79178#(<= ULTIMATE.start_main_~y~4 105), 79181#(<= ULTIMATE.start_main_~y~4 108), 79180#(<= ULTIMATE.start_main_~y~4 107), 79183#(<= ULTIMATE.start_main_~y~4 110), 79182#(<= ULTIMATE.start_main_~y~4 109), 79185#(<= ULTIMATE.start_main_~y~4 112), 79184#(<= ULTIMATE.start_main_~y~4 111), 79187#(<= ULTIMATE.start_main_~y~4 114), 79186#(<= ULTIMATE.start_main_~y~4 113), 79189#(<= ULTIMATE.start_main_~y~4 116), 79188#(<= ULTIMATE.start_main_~y~4 115), 79191#(<= ULTIMATE.start_main_~y~4 118), 79190#(<= ULTIMATE.start_main_~y~4 117), 79193#(<= ULTIMATE.start_main_~y~4 120), 79192#(<= ULTIMATE.start_main_~y~4 119), 79195#(<= ULTIMATE.start_main_~y~4 122), 79194#(<= ULTIMATE.start_main_~y~4 121), 79197#(<= ULTIMATE.start_main_~y~4 124), 79196#(<= ULTIMATE.start_main_~y~4 123), 79199#(<= ULTIMATE.start_main_~y~4 126), 79198#(<= ULTIMATE.start_main_~y~4 125), 79201#(<= ULTIMATE.start_main_~y~4 128), 79200#(<= ULTIMATE.start_main_~y~4 127), 79203#(<= ULTIMATE.start_main_~y~4 130), 79202#(<= ULTIMATE.start_main_~y~4 129), 79205#(<= ULTIMATE.start_main_~y~4 132), 79204#(<= ULTIMATE.start_main_~y~4 131), 79207#(<= ULTIMATE.start_main_~y~4 134), 79206#(<= ULTIMATE.start_main_~y~4 133), 79209#(<= ULTIMATE.start_main_~y~4 136), 79208#(<= ULTIMATE.start_main_~y~4 135), 79211#(<= ULTIMATE.start_main_~y~4 138), 79210#(<= ULTIMATE.start_main_~y~4 137), 79213#(<= ULTIMATE.start_main_~y~4 140), 79212#(<= ULTIMATE.start_main_~y~4 139), 79215#(<= ULTIMATE.start_main_~y~4 142), 79214#(<= ULTIMATE.start_main_~y~4 141), 79217#(<= ULTIMATE.start_main_~y~4 144), 79216#(<= ULTIMATE.start_main_~y~4 143), 79219#(<= ULTIMATE.start_main_~y~4 146), 79218#(<= ULTIMATE.start_main_~y~4 145), 79221#(<= ULTIMATE.start_main_~y~4 148), 79220#(<= ULTIMATE.start_main_~y~4 147), 79223#(<= ULTIMATE.start_main_~y~4 150), 79222#(<= ULTIMATE.start_main_~y~4 149), 79225#(<= ULTIMATE.start_main_~y~4 152), 79224#(<= ULTIMATE.start_main_~y~4 151), 79227#(<= ULTIMATE.start_main_~y~4 154), 79226#(<= ULTIMATE.start_main_~y~4 153), 79229#(<= ULTIMATE.start_main_~y~4 156), 79228#(<= ULTIMATE.start_main_~y~4 155), 79231#(<= ULTIMATE.start_main_~y~4 158), 79230#(<= ULTIMATE.start_main_~y~4 157), 79233#(<= ULTIMATE.start_main_~y~4 160), 79232#(<= ULTIMATE.start_main_~y~4 159), 79235#(<= ULTIMATE.start_main_~y~4 162), 79234#(<= ULTIMATE.start_main_~y~4 161), 79237#(<= ULTIMATE.start_main_~y~4 164), 79236#(<= ULTIMATE.start_main_~y~4 163), 79239#(<= ULTIMATE.start_main_~y~4 166), 79238#(<= ULTIMATE.start_main_~y~4 165), 79241#(<= ULTIMATE.start_main_~y~4 168), 79240#(<= ULTIMATE.start_main_~y~4 167), 79243#(<= ULTIMATE.start_main_~y~4 170), 79242#(<= ULTIMATE.start_main_~y~4 169), 79245#(<= ULTIMATE.start_main_~y~4 172), 79244#(<= ULTIMATE.start_main_~y~4 171), 79246#(<= ULTIMATE.start_main_~y~4 173), 79071#true, 79073#(<= ULTIMATE.start_main_~y~4 0), 79072#false, 79075#(<= ULTIMATE.start_main_~y~4 2), 79074#(<= ULTIMATE.start_main_~y~4 1), 79077#(<= ULTIMATE.start_main_~y~4 4), 79076#(<= ULTIMATE.start_main_~y~4 3), 79079#(<= ULTIMATE.start_main_~y~4 6), 79078#(<= ULTIMATE.start_main_~y~4 5), 79081#(<= ULTIMATE.start_main_~y~4 8), 79080#(<= ULTIMATE.start_main_~y~4 7), 79083#(<= ULTIMATE.start_main_~y~4 10), 79082#(<= ULTIMATE.start_main_~y~4 9), 79085#(<= ULTIMATE.start_main_~y~4 12), 79084#(<= ULTIMATE.start_main_~y~4 11), 79087#(<= ULTIMATE.start_main_~y~4 14), 79086#(<= ULTIMATE.start_main_~y~4 13), 79089#(<= ULTIMATE.start_main_~y~4 16), 79088#(<= ULTIMATE.start_main_~y~4 15), 79091#(<= ULTIMATE.start_main_~y~4 18), 79090#(<= ULTIMATE.start_main_~y~4 17), 79093#(<= ULTIMATE.start_main_~y~4 20), 79092#(<= ULTIMATE.start_main_~y~4 19), 79095#(<= ULTIMATE.start_main_~y~4 22), 79094#(<= ULTIMATE.start_main_~y~4 21), 79097#(<= ULTIMATE.start_main_~y~4 24), 79096#(<= ULTIMATE.start_main_~y~4 23), 79099#(<= ULTIMATE.start_main_~y~4 26), 79098#(<= ULTIMATE.start_main_~y~4 25), 79101#(<= ULTIMATE.start_main_~y~4 28), 79100#(<= ULTIMATE.start_main_~y~4 27), 79103#(<= ULTIMATE.start_main_~y~4 30), 79102#(<= ULTIMATE.start_main_~y~4 29)] [2018-07-23 13:38:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:43,812 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:38:43,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:38:43,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:38:43,815 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 176 states. [2018-07-23 13:38:44,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:44,411 INFO L93 Difference]: Finished difference Result 180 states and 180 transitions. [2018-07-23 13:38:44,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:38:44,412 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 176 [2018-07-23 13:38:44,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:44,412 INFO L225 Difference]: With dead ends: 180 [2018-07-23 13:38:44,412 INFO L226 Difference]: Without dead ends: 178 [2018-07-23 13:38:44,414 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:38:44,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-07-23 13:38:44,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2018-07-23 13:38:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-07-23 13:38:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 178 transitions. [2018-07-23 13:38:44,416 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 178 transitions. Word has length 176 [2018-07-23 13:38:44,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:44,416 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 178 transitions. [2018-07-23 13:38:44,416 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:38:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 178 transitions. [2018-07-23 13:38:44,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-23 13:38:44,417 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:44,417 INFO L357 BasicCegarLoop]: trace histogram [174, 1, 1, 1] [2018-07-23 13:38:44,417 INFO L414 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:44,417 INFO L82 PathProgramCache]: Analyzing trace with hash -223763741, now seen corresponding path program 174 times [2018-07-23 13:38:44,417 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 15225 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:45,151 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:45,151 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:38:45,151 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:45,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:45,152 INFO L185 omatonBuilderFactory]: Interpolants [80129#(<= ULTIMATE.start_main_~y~4 164), 80128#(<= ULTIMATE.start_main_~y~4 163), 80131#(<= ULTIMATE.start_main_~y~4 166), 80130#(<= ULTIMATE.start_main_~y~4 165), 80133#(<= ULTIMATE.start_main_~y~4 168), 80132#(<= ULTIMATE.start_main_~y~4 167), 80135#(<= ULTIMATE.start_main_~y~4 170), 80134#(<= ULTIMATE.start_main_~y~4 169), 80137#(<= ULTIMATE.start_main_~y~4 172), 80136#(<= ULTIMATE.start_main_~y~4 171), 80139#(<= ULTIMATE.start_main_~y~4 174), 80138#(<= ULTIMATE.start_main_~y~4 173), 79963#true, 79965#(<= ULTIMATE.start_main_~y~4 0), 79964#false, 79967#(<= ULTIMATE.start_main_~y~4 2), 79966#(<= ULTIMATE.start_main_~y~4 1), 79969#(<= ULTIMATE.start_main_~y~4 4), 79968#(<= ULTIMATE.start_main_~y~4 3), 79971#(<= ULTIMATE.start_main_~y~4 6), 79970#(<= ULTIMATE.start_main_~y~4 5), 79973#(<= ULTIMATE.start_main_~y~4 8), 79972#(<= ULTIMATE.start_main_~y~4 7), 79975#(<= ULTIMATE.start_main_~y~4 10), 79974#(<= ULTIMATE.start_main_~y~4 9), 79977#(<= ULTIMATE.start_main_~y~4 12), 79976#(<= ULTIMATE.start_main_~y~4 11), 79979#(<= ULTIMATE.start_main_~y~4 14), 79978#(<= ULTIMATE.start_main_~y~4 13), 79981#(<= ULTIMATE.start_main_~y~4 16), 79980#(<= ULTIMATE.start_main_~y~4 15), 79983#(<= ULTIMATE.start_main_~y~4 18), 79982#(<= ULTIMATE.start_main_~y~4 17), 79985#(<= ULTIMATE.start_main_~y~4 20), 79984#(<= ULTIMATE.start_main_~y~4 19), 79987#(<= ULTIMATE.start_main_~y~4 22), 79986#(<= ULTIMATE.start_main_~y~4 21), 79989#(<= ULTIMATE.start_main_~y~4 24), 79988#(<= ULTIMATE.start_main_~y~4 23), 79991#(<= ULTIMATE.start_main_~y~4 26), 79990#(<= ULTIMATE.start_main_~y~4 25), 79993#(<= ULTIMATE.start_main_~y~4 28), 79992#(<= ULTIMATE.start_main_~y~4 27), 79995#(<= ULTIMATE.start_main_~y~4 30), 79994#(<= ULTIMATE.start_main_~y~4 29), 79997#(<= ULTIMATE.start_main_~y~4 32), 79996#(<= ULTIMATE.start_main_~y~4 31), 79999#(<= ULTIMATE.start_main_~y~4 34), 79998#(<= ULTIMATE.start_main_~y~4 33), 80001#(<= ULTIMATE.start_main_~y~4 36), 80000#(<= ULTIMATE.start_main_~y~4 35), 80003#(<= ULTIMATE.start_main_~y~4 38), 80002#(<= ULTIMATE.start_main_~y~4 37), 80005#(<= ULTIMATE.start_main_~y~4 40), 80004#(<= ULTIMATE.start_main_~y~4 39), 80007#(<= ULTIMATE.start_main_~y~4 42), 80006#(<= ULTIMATE.start_main_~y~4 41), 80009#(<= ULTIMATE.start_main_~y~4 44), 80008#(<= ULTIMATE.start_main_~y~4 43), 80011#(<= ULTIMATE.start_main_~y~4 46), 80010#(<= ULTIMATE.start_main_~y~4 45), 80013#(<= ULTIMATE.start_main_~y~4 48), 80012#(<= ULTIMATE.start_main_~y~4 47), 80015#(<= ULTIMATE.start_main_~y~4 50), 80014#(<= ULTIMATE.start_main_~y~4 49), 80017#(<= ULTIMATE.start_main_~y~4 52), 80016#(<= ULTIMATE.start_main_~y~4 51), 80019#(<= ULTIMATE.start_main_~y~4 54), 80018#(<= ULTIMATE.start_main_~y~4 53), 80021#(<= ULTIMATE.start_main_~y~4 56), 80020#(<= ULTIMATE.start_main_~y~4 55), 80023#(<= ULTIMATE.start_main_~y~4 58), 80022#(<= ULTIMATE.start_main_~y~4 57), 80025#(<= ULTIMATE.start_main_~y~4 60), 80024#(<= ULTIMATE.start_main_~y~4 59), 80027#(<= ULTIMATE.start_main_~y~4 62), 80026#(<= ULTIMATE.start_main_~y~4 61), 80029#(<= ULTIMATE.start_main_~y~4 64), 80028#(<= ULTIMATE.start_main_~y~4 63), 80031#(<= ULTIMATE.start_main_~y~4 66), 80030#(<= ULTIMATE.start_main_~y~4 65), 80033#(<= ULTIMATE.start_main_~y~4 68), 80032#(<= ULTIMATE.start_main_~y~4 67), 80035#(<= ULTIMATE.start_main_~y~4 70), 80034#(<= ULTIMATE.start_main_~y~4 69), 80037#(<= ULTIMATE.start_main_~y~4 72), 80036#(<= ULTIMATE.start_main_~y~4 71), 80039#(<= ULTIMATE.start_main_~y~4 74), 80038#(<= ULTIMATE.start_main_~y~4 73), 80041#(<= ULTIMATE.start_main_~y~4 76), 80040#(<= ULTIMATE.start_main_~y~4 75), 80043#(<= ULTIMATE.start_main_~y~4 78), 80042#(<= ULTIMATE.start_main_~y~4 77), 80045#(<= ULTIMATE.start_main_~y~4 80), 80044#(<= ULTIMATE.start_main_~y~4 79), 80047#(<= ULTIMATE.start_main_~y~4 82), 80046#(<= ULTIMATE.start_main_~y~4 81), 80049#(<= ULTIMATE.start_main_~y~4 84), 80048#(<= ULTIMATE.start_main_~y~4 83), 80051#(<= ULTIMATE.start_main_~y~4 86), 80050#(<= ULTIMATE.start_main_~y~4 85), 80053#(<= ULTIMATE.start_main_~y~4 88), 80052#(<= ULTIMATE.start_main_~y~4 87), 80055#(<= ULTIMATE.start_main_~y~4 90), 80054#(<= ULTIMATE.start_main_~y~4 89), 80057#(<= ULTIMATE.start_main_~y~4 92), 80056#(<= ULTIMATE.start_main_~y~4 91), 80059#(<= ULTIMATE.start_main_~y~4 94), 80058#(<= ULTIMATE.start_main_~y~4 93), 80061#(<= ULTIMATE.start_main_~y~4 96), 80060#(<= ULTIMATE.start_main_~y~4 95), 80063#(<= ULTIMATE.start_main_~y~4 98), 80062#(<= ULTIMATE.start_main_~y~4 97), 80065#(<= ULTIMATE.start_main_~y~4 100), 80064#(<= ULTIMATE.start_main_~y~4 99), 80067#(<= ULTIMATE.start_main_~y~4 102), 80066#(<= ULTIMATE.start_main_~y~4 101), 80069#(<= ULTIMATE.start_main_~y~4 104), 80068#(<= ULTIMATE.start_main_~y~4 103), 80071#(<= ULTIMATE.start_main_~y~4 106), 80070#(<= ULTIMATE.start_main_~y~4 105), 80073#(<= ULTIMATE.start_main_~y~4 108), 80072#(<= ULTIMATE.start_main_~y~4 107), 80075#(<= ULTIMATE.start_main_~y~4 110), 80074#(<= ULTIMATE.start_main_~y~4 109), 80077#(<= ULTIMATE.start_main_~y~4 112), 80076#(<= ULTIMATE.start_main_~y~4 111), 80079#(<= ULTIMATE.start_main_~y~4 114), 80078#(<= ULTIMATE.start_main_~y~4 113), 80081#(<= ULTIMATE.start_main_~y~4 116), 80080#(<= ULTIMATE.start_main_~y~4 115), 80083#(<= ULTIMATE.start_main_~y~4 118), 80082#(<= ULTIMATE.start_main_~y~4 117), 80085#(<= ULTIMATE.start_main_~y~4 120), 80084#(<= ULTIMATE.start_main_~y~4 119), 80087#(<= ULTIMATE.start_main_~y~4 122), 80086#(<= ULTIMATE.start_main_~y~4 121), 80089#(<= ULTIMATE.start_main_~y~4 124), 80088#(<= ULTIMATE.start_main_~y~4 123), 80091#(<= ULTIMATE.start_main_~y~4 126), 80090#(<= ULTIMATE.start_main_~y~4 125), 80093#(<= ULTIMATE.start_main_~y~4 128), 80092#(<= ULTIMATE.start_main_~y~4 127), 80095#(<= ULTIMATE.start_main_~y~4 130), 80094#(<= ULTIMATE.start_main_~y~4 129), 80097#(<= ULTIMATE.start_main_~y~4 132), 80096#(<= ULTIMATE.start_main_~y~4 131), 80099#(<= ULTIMATE.start_main_~y~4 134), 80098#(<= ULTIMATE.start_main_~y~4 133), 80101#(<= ULTIMATE.start_main_~y~4 136), 80100#(<= ULTIMATE.start_main_~y~4 135), 80103#(<= ULTIMATE.start_main_~y~4 138), 80102#(<= ULTIMATE.start_main_~y~4 137), 80105#(<= ULTIMATE.start_main_~y~4 140), 80104#(<= ULTIMATE.start_main_~y~4 139), 80107#(<= ULTIMATE.start_main_~y~4 142), 80106#(<= ULTIMATE.start_main_~y~4 141), 80109#(<= ULTIMATE.start_main_~y~4 144), 80108#(<= ULTIMATE.start_main_~y~4 143), 80111#(<= ULTIMATE.start_main_~y~4 146), 80110#(<= ULTIMATE.start_main_~y~4 145), 80113#(<= ULTIMATE.start_main_~y~4 148), 80112#(<= ULTIMATE.start_main_~y~4 147), 80115#(<= ULTIMATE.start_main_~y~4 150), 80114#(<= ULTIMATE.start_main_~y~4 149), 80117#(<= ULTIMATE.start_main_~y~4 152), 80116#(<= ULTIMATE.start_main_~y~4 151), 80119#(<= ULTIMATE.start_main_~y~4 154), 80118#(<= ULTIMATE.start_main_~y~4 153), 80121#(<= ULTIMATE.start_main_~y~4 156), 80120#(<= ULTIMATE.start_main_~y~4 155), 80123#(<= ULTIMATE.start_main_~y~4 158), 80122#(<= ULTIMATE.start_main_~y~4 157), 80125#(<= ULTIMATE.start_main_~y~4 160), 80124#(<= ULTIMATE.start_main_~y~4 159), 80127#(<= ULTIMATE.start_main_~y~4 162), 80126#(<= ULTIMATE.start_main_~y~4 161)] [2018-07-23 13:38:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 15225 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:45,152 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:38:45,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:38:45,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:38:45,156 INFO L87 Difference]: Start difference. First operand 178 states and 178 transitions. Second operand 177 states. [2018-07-23 13:38:45,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:45,754 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:38:45,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:38:45,754 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 177 [2018-07-23 13:38:45,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:45,755 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:38:45,755 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:38:45,756 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:38:45,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:38:45,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:38:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:38:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:38:45,759 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 177 [2018-07-23 13:38:45,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:45,759 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:38:45,759 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:38:45,759 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:38:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:38:45,760 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:45,760 INFO L357 BasicCegarLoop]: trace histogram [175, 1, 1, 1] [2018-07-23 13:38:45,760 INFO L414 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:45,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1653260428, now seen corresponding path program 175 times [2018-07-23 13:38:45,760 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 15400 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:46,535 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:46,535 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:38:46,535 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:46,536 INFO L185 omatonBuilderFactory]: Interpolants [80897#(<= ULTIMATE.start_main_~y~4 35), 80896#(<= ULTIMATE.start_main_~y~4 34), 80899#(<= ULTIMATE.start_main_~y~4 37), 80898#(<= ULTIMATE.start_main_~y~4 36), 80901#(<= ULTIMATE.start_main_~y~4 39), 80900#(<= ULTIMATE.start_main_~y~4 38), 80903#(<= ULTIMATE.start_main_~y~4 41), 80902#(<= ULTIMATE.start_main_~y~4 40), 80905#(<= ULTIMATE.start_main_~y~4 43), 80904#(<= ULTIMATE.start_main_~y~4 42), 80907#(<= ULTIMATE.start_main_~y~4 45), 80906#(<= ULTIMATE.start_main_~y~4 44), 80909#(<= ULTIMATE.start_main_~y~4 47), 80908#(<= ULTIMATE.start_main_~y~4 46), 80911#(<= ULTIMATE.start_main_~y~4 49), 80910#(<= ULTIMATE.start_main_~y~4 48), 80913#(<= ULTIMATE.start_main_~y~4 51), 80912#(<= ULTIMATE.start_main_~y~4 50), 80915#(<= ULTIMATE.start_main_~y~4 53), 80914#(<= ULTIMATE.start_main_~y~4 52), 80917#(<= ULTIMATE.start_main_~y~4 55), 80916#(<= ULTIMATE.start_main_~y~4 54), 80919#(<= ULTIMATE.start_main_~y~4 57), 80918#(<= ULTIMATE.start_main_~y~4 56), 80921#(<= ULTIMATE.start_main_~y~4 59), 80920#(<= ULTIMATE.start_main_~y~4 58), 80923#(<= ULTIMATE.start_main_~y~4 61), 80922#(<= ULTIMATE.start_main_~y~4 60), 80925#(<= ULTIMATE.start_main_~y~4 63), 80924#(<= ULTIMATE.start_main_~y~4 62), 80927#(<= ULTIMATE.start_main_~y~4 65), 80926#(<= ULTIMATE.start_main_~y~4 64), 80929#(<= ULTIMATE.start_main_~y~4 67), 80928#(<= ULTIMATE.start_main_~y~4 66), 80931#(<= ULTIMATE.start_main_~y~4 69), 80930#(<= ULTIMATE.start_main_~y~4 68), 80933#(<= ULTIMATE.start_main_~y~4 71), 80932#(<= ULTIMATE.start_main_~y~4 70), 80935#(<= ULTIMATE.start_main_~y~4 73), 80934#(<= ULTIMATE.start_main_~y~4 72), 80937#(<= ULTIMATE.start_main_~y~4 75), 80936#(<= ULTIMATE.start_main_~y~4 74), 80939#(<= ULTIMATE.start_main_~y~4 77), 80938#(<= ULTIMATE.start_main_~y~4 76), 80941#(<= ULTIMATE.start_main_~y~4 79), 80940#(<= ULTIMATE.start_main_~y~4 78), 80943#(<= ULTIMATE.start_main_~y~4 81), 80942#(<= ULTIMATE.start_main_~y~4 80), 80945#(<= ULTIMATE.start_main_~y~4 83), 80944#(<= ULTIMATE.start_main_~y~4 82), 80947#(<= ULTIMATE.start_main_~y~4 85), 80946#(<= ULTIMATE.start_main_~y~4 84), 80949#(<= ULTIMATE.start_main_~y~4 87), 80948#(<= ULTIMATE.start_main_~y~4 86), 80951#(<= ULTIMATE.start_main_~y~4 89), 80950#(<= ULTIMATE.start_main_~y~4 88), 80953#(<= ULTIMATE.start_main_~y~4 91), 80952#(<= ULTIMATE.start_main_~y~4 90), 80955#(<= ULTIMATE.start_main_~y~4 93), 80954#(<= ULTIMATE.start_main_~y~4 92), 80957#(<= ULTIMATE.start_main_~y~4 95), 80956#(<= ULTIMATE.start_main_~y~4 94), 80959#(<= ULTIMATE.start_main_~y~4 97), 80958#(<= ULTIMATE.start_main_~y~4 96), 80961#(<= ULTIMATE.start_main_~y~4 99), 80960#(<= ULTIMATE.start_main_~y~4 98), 80963#(<= ULTIMATE.start_main_~y~4 101), 80962#(<= ULTIMATE.start_main_~y~4 100), 80965#(<= ULTIMATE.start_main_~y~4 103), 80964#(<= ULTIMATE.start_main_~y~4 102), 80967#(<= ULTIMATE.start_main_~y~4 105), 80966#(<= ULTIMATE.start_main_~y~4 104), 80969#(<= ULTIMATE.start_main_~y~4 107), 80968#(<= ULTIMATE.start_main_~y~4 106), 80971#(<= ULTIMATE.start_main_~y~4 109), 80970#(<= ULTIMATE.start_main_~y~4 108), 80973#(<= ULTIMATE.start_main_~y~4 111), 80972#(<= ULTIMATE.start_main_~y~4 110), 80975#(<= ULTIMATE.start_main_~y~4 113), 80974#(<= ULTIMATE.start_main_~y~4 112), 80977#(<= ULTIMATE.start_main_~y~4 115), 80976#(<= ULTIMATE.start_main_~y~4 114), 80979#(<= ULTIMATE.start_main_~y~4 117), 80978#(<= ULTIMATE.start_main_~y~4 116), 80981#(<= ULTIMATE.start_main_~y~4 119), 80980#(<= ULTIMATE.start_main_~y~4 118), 80983#(<= ULTIMATE.start_main_~y~4 121), 80982#(<= ULTIMATE.start_main_~y~4 120), 80985#(<= ULTIMATE.start_main_~y~4 123), 80984#(<= ULTIMATE.start_main_~y~4 122), 80987#(<= ULTIMATE.start_main_~y~4 125), 80986#(<= ULTIMATE.start_main_~y~4 124), 80989#(<= ULTIMATE.start_main_~y~4 127), 80988#(<= ULTIMATE.start_main_~y~4 126), 80991#(<= ULTIMATE.start_main_~y~4 129), 80990#(<= ULTIMATE.start_main_~y~4 128), 80993#(<= ULTIMATE.start_main_~y~4 131), 80992#(<= ULTIMATE.start_main_~y~4 130), 80995#(<= ULTIMATE.start_main_~y~4 133), 80994#(<= ULTIMATE.start_main_~y~4 132), 80997#(<= ULTIMATE.start_main_~y~4 135), 80996#(<= ULTIMATE.start_main_~y~4 134), 80999#(<= ULTIMATE.start_main_~y~4 137), 80998#(<= ULTIMATE.start_main_~y~4 136), 81001#(<= ULTIMATE.start_main_~y~4 139), 81000#(<= ULTIMATE.start_main_~y~4 138), 81003#(<= ULTIMATE.start_main_~y~4 141), 81002#(<= ULTIMATE.start_main_~y~4 140), 81005#(<= ULTIMATE.start_main_~y~4 143), 81004#(<= ULTIMATE.start_main_~y~4 142), 81007#(<= ULTIMATE.start_main_~y~4 145), 81006#(<= ULTIMATE.start_main_~y~4 144), 81009#(<= ULTIMATE.start_main_~y~4 147), 81008#(<= ULTIMATE.start_main_~y~4 146), 81011#(<= ULTIMATE.start_main_~y~4 149), 81010#(<= ULTIMATE.start_main_~y~4 148), 81013#(<= ULTIMATE.start_main_~y~4 151), 81012#(<= ULTIMATE.start_main_~y~4 150), 81015#(<= ULTIMATE.start_main_~y~4 153), 81014#(<= ULTIMATE.start_main_~y~4 152), 81017#(<= ULTIMATE.start_main_~y~4 155), 81016#(<= ULTIMATE.start_main_~y~4 154), 81019#(<= ULTIMATE.start_main_~y~4 157), 81018#(<= ULTIMATE.start_main_~y~4 156), 81021#(<= ULTIMATE.start_main_~y~4 159), 81020#(<= ULTIMATE.start_main_~y~4 158), 81023#(<= ULTIMATE.start_main_~y~4 161), 81022#(<= ULTIMATE.start_main_~y~4 160), 81025#(<= ULTIMATE.start_main_~y~4 163), 81024#(<= ULTIMATE.start_main_~y~4 162), 81027#(<= ULTIMATE.start_main_~y~4 165), 81026#(<= ULTIMATE.start_main_~y~4 164), 81029#(<= ULTIMATE.start_main_~y~4 167), 81028#(<= ULTIMATE.start_main_~y~4 166), 81031#(<= ULTIMATE.start_main_~y~4 169), 81030#(<= ULTIMATE.start_main_~y~4 168), 81033#(<= ULTIMATE.start_main_~y~4 171), 81032#(<= ULTIMATE.start_main_~y~4 170), 81035#(<= ULTIMATE.start_main_~y~4 173), 81034#(<= ULTIMATE.start_main_~y~4 172), 81037#(<= ULTIMATE.start_main_~y~4 175), 81036#(<= ULTIMATE.start_main_~y~4 174), 80861#false, 80860#true, 80863#(<= ULTIMATE.start_main_~y~4 1), 80862#(<= ULTIMATE.start_main_~y~4 0), 80865#(<= ULTIMATE.start_main_~y~4 3), 80864#(<= ULTIMATE.start_main_~y~4 2), 80867#(<= ULTIMATE.start_main_~y~4 5), 80866#(<= ULTIMATE.start_main_~y~4 4), 80869#(<= ULTIMATE.start_main_~y~4 7), 80868#(<= ULTIMATE.start_main_~y~4 6), 80871#(<= ULTIMATE.start_main_~y~4 9), 80870#(<= ULTIMATE.start_main_~y~4 8), 80873#(<= ULTIMATE.start_main_~y~4 11), 80872#(<= ULTIMATE.start_main_~y~4 10), 80875#(<= ULTIMATE.start_main_~y~4 13), 80874#(<= ULTIMATE.start_main_~y~4 12), 80877#(<= ULTIMATE.start_main_~y~4 15), 80876#(<= ULTIMATE.start_main_~y~4 14), 80879#(<= ULTIMATE.start_main_~y~4 17), 80878#(<= ULTIMATE.start_main_~y~4 16), 80881#(<= ULTIMATE.start_main_~y~4 19), 80880#(<= ULTIMATE.start_main_~y~4 18), 80883#(<= ULTIMATE.start_main_~y~4 21), 80882#(<= ULTIMATE.start_main_~y~4 20), 80885#(<= ULTIMATE.start_main_~y~4 23), 80884#(<= ULTIMATE.start_main_~y~4 22), 80887#(<= ULTIMATE.start_main_~y~4 25), 80886#(<= ULTIMATE.start_main_~y~4 24), 80889#(<= ULTIMATE.start_main_~y~4 27), 80888#(<= ULTIMATE.start_main_~y~4 26), 80891#(<= ULTIMATE.start_main_~y~4 29), 80890#(<= ULTIMATE.start_main_~y~4 28), 80893#(<= ULTIMATE.start_main_~y~4 31), 80892#(<= ULTIMATE.start_main_~y~4 30), 80895#(<= ULTIMATE.start_main_~y~4 33), 80894#(<= ULTIMATE.start_main_~y~4 32)] [2018-07-23 13:38:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 15400 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:46,536 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:38:46,539 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:38:46,540 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:38:46,540 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 178 states. [2018-07-23 13:38:47,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:47,030 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-07-23 13:38:47,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:38:47,031 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 178 [2018-07-23 13:38:47,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:47,031 INFO L225 Difference]: With dead ends: 182 [2018-07-23 13:38:47,031 INFO L226 Difference]: Without dead ends: 180 [2018-07-23 13:38:47,032 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:38:47,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-07-23 13:38:47,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-07-23 13:38:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-07-23 13:38:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 180 transitions. [2018-07-23 13:38:47,034 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 180 transitions. Word has length 178 [2018-07-23 13:38:47,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:47,035 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 180 transitions. [2018-07-23 13:38:47,035 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:38:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 180 transitions. [2018-07-23 13:38:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-23 13:38:47,035 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:47,035 INFO L357 BasicCegarLoop]: trace histogram [176, 1, 1, 1] [2018-07-23 13:38:47,035 INFO L414 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:47,035 INFO L82 PathProgramCache]: Analyzing trace with hash -288532477, now seen corresponding path program 176 times [2018-07-23 13:38:47,035 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:47,719 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:47,719 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:38:47,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:47,720 INFO L185 omatonBuilderFactory]: Interpolants [81921#(<= ULTIMATE.start_main_~y~4 157), 81920#(<= ULTIMATE.start_main_~y~4 156), 81923#(<= ULTIMATE.start_main_~y~4 159), 81922#(<= ULTIMATE.start_main_~y~4 158), 81925#(<= ULTIMATE.start_main_~y~4 161), 81924#(<= ULTIMATE.start_main_~y~4 160), 81927#(<= ULTIMATE.start_main_~y~4 163), 81926#(<= ULTIMATE.start_main_~y~4 162), 81929#(<= ULTIMATE.start_main_~y~4 165), 81928#(<= ULTIMATE.start_main_~y~4 164), 81931#(<= ULTIMATE.start_main_~y~4 167), 81930#(<= ULTIMATE.start_main_~y~4 166), 81933#(<= ULTIMATE.start_main_~y~4 169), 81932#(<= ULTIMATE.start_main_~y~4 168), 81935#(<= ULTIMATE.start_main_~y~4 171), 81934#(<= ULTIMATE.start_main_~y~4 170), 81937#(<= ULTIMATE.start_main_~y~4 173), 81936#(<= ULTIMATE.start_main_~y~4 172), 81939#(<= ULTIMATE.start_main_~y~4 175), 81938#(<= ULTIMATE.start_main_~y~4 174), 81940#(<= ULTIMATE.start_main_~y~4 176), 81763#false, 81762#true, 81765#(<= ULTIMATE.start_main_~y~4 1), 81764#(<= ULTIMATE.start_main_~y~4 0), 81767#(<= ULTIMATE.start_main_~y~4 3), 81766#(<= ULTIMATE.start_main_~y~4 2), 81769#(<= ULTIMATE.start_main_~y~4 5), 81768#(<= ULTIMATE.start_main_~y~4 4), 81771#(<= ULTIMATE.start_main_~y~4 7), 81770#(<= ULTIMATE.start_main_~y~4 6), 81773#(<= ULTIMATE.start_main_~y~4 9), 81772#(<= ULTIMATE.start_main_~y~4 8), 81775#(<= ULTIMATE.start_main_~y~4 11), 81774#(<= ULTIMATE.start_main_~y~4 10), 81777#(<= ULTIMATE.start_main_~y~4 13), 81776#(<= ULTIMATE.start_main_~y~4 12), 81779#(<= ULTIMATE.start_main_~y~4 15), 81778#(<= ULTIMATE.start_main_~y~4 14), 81781#(<= ULTIMATE.start_main_~y~4 17), 81780#(<= ULTIMATE.start_main_~y~4 16), 81783#(<= ULTIMATE.start_main_~y~4 19), 81782#(<= ULTIMATE.start_main_~y~4 18), 81785#(<= ULTIMATE.start_main_~y~4 21), 81784#(<= ULTIMATE.start_main_~y~4 20), 81787#(<= ULTIMATE.start_main_~y~4 23), 81786#(<= ULTIMATE.start_main_~y~4 22), 81789#(<= ULTIMATE.start_main_~y~4 25), 81788#(<= ULTIMATE.start_main_~y~4 24), 81791#(<= ULTIMATE.start_main_~y~4 27), 81790#(<= ULTIMATE.start_main_~y~4 26), 81793#(<= ULTIMATE.start_main_~y~4 29), 81792#(<= ULTIMATE.start_main_~y~4 28), 81795#(<= ULTIMATE.start_main_~y~4 31), 81794#(<= ULTIMATE.start_main_~y~4 30), 81797#(<= ULTIMATE.start_main_~y~4 33), 81796#(<= ULTIMATE.start_main_~y~4 32), 81799#(<= ULTIMATE.start_main_~y~4 35), 81798#(<= ULTIMATE.start_main_~y~4 34), 81801#(<= ULTIMATE.start_main_~y~4 37), 81800#(<= ULTIMATE.start_main_~y~4 36), 81803#(<= ULTIMATE.start_main_~y~4 39), 81802#(<= ULTIMATE.start_main_~y~4 38), 81805#(<= ULTIMATE.start_main_~y~4 41), 81804#(<= ULTIMATE.start_main_~y~4 40), 81807#(<= ULTIMATE.start_main_~y~4 43), 81806#(<= ULTIMATE.start_main_~y~4 42), 81809#(<= ULTIMATE.start_main_~y~4 45), 81808#(<= ULTIMATE.start_main_~y~4 44), 81811#(<= ULTIMATE.start_main_~y~4 47), 81810#(<= ULTIMATE.start_main_~y~4 46), 81813#(<= ULTIMATE.start_main_~y~4 49), 81812#(<= ULTIMATE.start_main_~y~4 48), 81815#(<= ULTIMATE.start_main_~y~4 51), 81814#(<= ULTIMATE.start_main_~y~4 50), 81817#(<= ULTIMATE.start_main_~y~4 53), 81816#(<= ULTIMATE.start_main_~y~4 52), 81819#(<= ULTIMATE.start_main_~y~4 55), 81818#(<= ULTIMATE.start_main_~y~4 54), 81821#(<= ULTIMATE.start_main_~y~4 57), 81820#(<= ULTIMATE.start_main_~y~4 56), 81823#(<= ULTIMATE.start_main_~y~4 59), 81822#(<= ULTIMATE.start_main_~y~4 58), 81825#(<= ULTIMATE.start_main_~y~4 61), 81824#(<= ULTIMATE.start_main_~y~4 60), 81827#(<= ULTIMATE.start_main_~y~4 63), 81826#(<= ULTIMATE.start_main_~y~4 62), 81829#(<= ULTIMATE.start_main_~y~4 65), 81828#(<= ULTIMATE.start_main_~y~4 64), 81831#(<= ULTIMATE.start_main_~y~4 67), 81830#(<= ULTIMATE.start_main_~y~4 66), 81833#(<= ULTIMATE.start_main_~y~4 69), 81832#(<= ULTIMATE.start_main_~y~4 68), 81835#(<= ULTIMATE.start_main_~y~4 71), 81834#(<= ULTIMATE.start_main_~y~4 70), 81837#(<= ULTIMATE.start_main_~y~4 73), 81836#(<= ULTIMATE.start_main_~y~4 72), 81839#(<= ULTIMATE.start_main_~y~4 75), 81838#(<= ULTIMATE.start_main_~y~4 74), 81841#(<= ULTIMATE.start_main_~y~4 77), 81840#(<= ULTIMATE.start_main_~y~4 76), 81843#(<= ULTIMATE.start_main_~y~4 79), 81842#(<= ULTIMATE.start_main_~y~4 78), 81845#(<= ULTIMATE.start_main_~y~4 81), 81844#(<= ULTIMATE.start_main_~y~4 80), 81847#(<= ULTIMATE.start_main_~y~4 83), 81846#(<= ULTIMATE.start_main_~y~4 82), 81849#(<= ULTIMATE.start_main_~y~4 85), 81848#(<= ULTIMATE.start_main_~y~4 84), 81851#(<= ULTIMATE.start_main_~y~4 87), 81850#(<= ULTIMATE.start_main_~y~4 86), 81853#(<= ULTIMATE.start_main_~y~4 89), 81852#(<= ULTIMATE.start_main_~y~4 88), 81855#(<= ULTIMATE.start_main_~y~4 91), 81854#(<= ULTIMATE.start_main_~y~4 90), 81857#(<= ULTIMATE.start_main_~y~4 93), 81856#(<= ULTIMATE.start_main_~y~4 92), 81859#(<= ULTIMATE.start_main_~y~4 95), 81858#(<= ULTIMATE.start_main_~y~4 94), 81861#(<= ULTIMATE.start_main_~y~4 97), 81860#(<= ULTIMATE.start_main_~y~4 96), 81863#(<= ULTIMATE.start_main_~y~4 99), 81862#(<= ULTIMATE.start_main_~y~4 98), 81865#(<= ULTIMATE.start_main_~y~4 101), 81864#(<= ULTIMATE.start_main_~y~4 100), 81867#(<= ULTIMATE.start_main_~y~4 103), 81866#(<= ULTIMATE.start_main_~y~4 102), 81869#(<= ULTIMATE.start_main_~y~4 105), 81868#(<= ULTIMATE.start_main_~y~4 104), 81871#(<= ULTIMATE.start_main_~y~4 107), 81870#(<= ULTIMATE.start_main_~y~4 106), 81873#(<= ULTIMATE.start_main_~y~4 109), 81872#(<= ULTIMATE.start_main_~y~4 108), 81875#(<= ULTIMATE.start_main_~y~4 111), 81874#(<= ULTIMATE.start_main_~y~4 110), 81877#(<= ULTIMATE.start_main_~y~4 113), 81876#(<= ULTIMATE.start_main_~y~4 112), 81879#(<= ULTIMATE.start_main_~y~4 115), 81878#(<= ULTIMATE.start_main_~y~4 114), 81881#(<= ULTIMATE.start_main_~y~4 117), 81880#(<= ULTIMATE.start_main_~y~4 116), 81883#(<= ULTIMATE.start_main_~y~4 119), 81882#(<= ULTIMATE.start_main_~y~4 118), 81885#(<= ULTIMATE.start_main_~y~4 121), 81884#(<= ULTIMATE.start_main_~y~4 120), 81887#(<= ULTIMATE.start_main_~y~4 123), 81886#(<= ULTIMATE.start_main_~y~4 122), 81889#(<= ULTIMATE.start_main_~y~4 125), 81888#(<= ULTIMATE.start_main_~y~4 124), 81891#(<= ULTIMATE.start_main_~y~4 127), 81890#(<= ULTIMATE.start_main_~y~4 126), 81893#(<= ULTIMATE.start_main_~y~4 129), 81892#(<= ULTIMATE.start_main_~y~4 128), 81895#(<= ULTIMATE.start_main_~y~4 131), 81894#(<= ULTIMATE.start_main_~y~4 130), 81897#(<= ULTIMATE.start_main_~y~4 133), 81896#(<= ULTIMATE.start_main_~y~4 132), 81899#(<= ULTIMATE.start_main_~y~4 135), 81898#(<= ULTIMATE.start_main_~y~4 134), 81901#(<= ULTIMATE.start_main_~y~4 137), 81900#(<= ULTIMATE.start_main_~y~4 136), 81903#(<= ULTIMATE.start_main_~y~4 139), 81902#(<= ULTIMATE.start_main_~y~4 138), 81905#(<= ULTIMATE.start_main_~y~4 141), 81904#(<= ULTIMATE.start_main_~y~4 140), 81907#(<= ULTIMATE.start_main_~y~4 143), 81906#(<= ULTIMATE.start_main_~y~4 142), 81909#(<= ULTIMATE.start_main_~y~4 145), 81908#(<= ULTIMATE.start_main_~y~4 144), 81911#(<= ULTIMATE.start_main_~y~4 147), 81910#(<= ULTIMATE.start_main_~y~4 146), 81913#(<= ULTIMATE.start_main_~y~4 149), 81912#(<= ULTIMATE.start_main_~y~4 148), 81915#(<= ULTIMATE.start_main_~y~4 151), 81914#(<= ULTIMATE.start_main_~y~4 150), 81917#(<= ULTIMATE.start_main_~y~4 153), 81916#(<= ULTIMATE.start_main_~y~4 152), 81919#(<= ULTIMATE.start_main_~y~4 155), 81918#(<= ULTIMATE.start_main_~y~4 154)] [2018-07-23 13:38:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:47,720 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:38:47,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:38:47,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:38:47,723 INFO L87 Difference]: Start difference. First operand 180 states and 180 transitions. Second operand 179 states. [2018-07-23 13:38:48,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:48,119 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:38:48,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:38:48,119 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 179 [2018-07-23 13:38:48,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:48,119 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:38:48,120 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:38:48,120 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:38:48,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:38:48,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:38:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:38:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:38:48,123 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 179 [2018-07-23 13:38:48,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:48,123 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:38:48,123 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:38:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:38:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:38:48,124 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:48,124 INFO L357 BasicCegarLoop]: trace histogram [177, 1, 1, 1] [2018-07-23 13:38:48,124 INFO L414 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:48,124 INFO L82 PathProgramCache]: Analyzing trace with hash -354570388, now seen corresponding path program 177 times [2018-07-23 13:38:48,124 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 15753 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:48,805 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:48,806 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:38:48,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:48,806 INFO L185 omatonBuilderFactory]: Interpolants [82689#(<= ULTIMATE.start_main_~y~4 18), 82688#(<= ULTIMATE.start_main_~y~4 17), 82691#(<= ULTIMATE.start_main_~y~4 20), 82690#(<= ULTIMATE.start_main_~y~4 19), 82693#(<= ULTIMATE.start_main_~y~4 22), 82692#(<= ULTIMATE.start_main_~y~4 21), 82695#(<= ULTIMATE.start_main_~y~4 24), 82694#(<= ULTIMATE.start_main_~y~4 23), 82697#(<= ULTIMATE.start_main_~y~4 26), 82696#(<= ULTIMATE.start_main_~y~4 25), 82699#(<= ULTIMATE.start_main_~y~4 28), 82698#(<= ULTIMATE.start_main_~y~4 27), 82701#(<= ULTIMATE.start_main_~y~4 30), 82700#(<= ULTIMATE.start_main_~y~4 29), 82703#(<= ULTIMATE.start_main_~y~4 32), 82702#(<= ULTIMATE.start_main_~y~4 31), 82705#(<= ULTIMATE.start_main_~y~4 34), 82704#(<= ULTIMATE.start_main_~y~4 33), 82707#(<= ULTIMATE.start_main_~y~4 36), 82706#(<= ULTIMATE.start_main_~y~4 35), 82709#(<= ULTIMATE.start_main_~y~4 38), 82708#(<= ULTIMATE.start_main_~y~4 37), 82711#(<= ULTIMATE.start_main_~y~4 40), 82710#(<= ULTIMATE.start_main_~y~4 39), 82713#(<= ULTIMATE.start_main_~y~4 42), 82712#(<= ULTIMATE.start_main_~y~4 41), 82715#(<= ULTIMATE.start_main_~y~4 44), 82714#(<= ULTIMATE.start_main_~y~4 43), 82717#(<= ULTIMATE.start_main_~y~4 46), 82716#(<= ULTIMATE.start_main_~y~4 45), 82719#(<= ULTIMATE.start_main_~y~4 48), 82718#(<= ULTIMATE.start_main_~y~4 47), 82721#(<= ULTIMATE.start_main_~y~4 50), 82720#(<= ULTIMATE.start_main_~y~4 49), 82723#(<= ULTIMATE.start_main_~y~4 52), 82722#(<= ULTIMATE.start_main_~y~4 51), 82725#(<= ULTIMATE.start_main_~y~4 54), 82724#(<= ULTIMATE.start_main_~y~4 53), 82727#(<= ULTIMATE.start_main_~y~4 56), 82726#(<= ULTIMATE.start_main_~y~4 55), 82729#(<= ULTIMATE.start_main_~y~4 58), 82728#(<= ULTIMATE.start_main_~y~4 57), 82731#(<= ULTIMATE.start_main_~y~4 60), 82730#(<= ULTIMATE.start_main_~y~4 59), 82733#(<= ULTIMATE.start_main_~y~4 62), 82732#(<= ULTIMATE.start_main_~y~4 61), 82735#(<= ULTIMATE.start_main_~y~4 64), 82734#(<= ULTIMATE.start_main_~y~4 63), 82737#(<= ULTIMATE.start_main_~y~4 66), 82736#(<= ULTIMATE.start_main_~y~4 65), 82739#(<= ULTIMATE.start_main_~y~4 68), 82738#(<= ULTIMATE.start_main_~y~4 67), 82741#(<= ULTIMATE.start_main_~y~4 70), 82740#(<= ULTIMATE.start_main_~y~4 69), 82743#(<= ULTIMATE.start_main_~y~4 72), 82742#(<= ULTIMATE.start_main_~y~4 71), 82745#(<= ULTIMATE.start_main_~y~4 74), 82744#(<= ULTIMATE.start_main_~y~4 73), 82747#(<= ULTIMATE.start_main_~y~4 76), 82746#(<= ULTIMATE.start_main_~y~4 75), 82749#(<= ULTIMATE.start_main_~y~4 78), 82748#(<= ULTIMATE.start_main_~y~4 77), 82751#(<= ULTIMATE.start_main_~y~4 80), 82750#(<= ULTIMATE.start_main_~y~4 79), 82753#(<= ULTIMATE.start_main_~y~4 82), 82752#(<= ULTIMATE.start_main_~y~4 81), 82755#(<= ULTIMATE.start_main_~y~4 84), 82754#(<= ULTIMATE.start_main_~y~4 83), 82757#(<= ULTIMATE.start_main_~y~4 86), 82756#(<= ULTIMATE.start_main_~y~4 85), 82759#(<= ULTIMATE.start_main_~y~4 88), 82758#(<= ULTIMATE.start_main_~y~4 87), 82761#(<= ULTIMATE.start_main_~y~4 90), 82760#(<= ULTIMATE.start_main_~y~4 89), 82763#(<= ULTIMATE.start_main_~y~4 92), 82762#(<= ULTIMATE.start_main_~y~4 91), 82765#(<= ULTIMATE.start_main_~y~4 94), 82764#(<= ULTIMATE.start_main_~y~4 93), 82767#(<= ULTIMATE.start_main_~y~4 96), 82766#(<= ULTIMATE.start_main_~y~4 95), 82769#(<= ULTIMATE.start_main_~y~4 98), 82768#(<= ULTIMATE.start_main_~y~4 97), 82771#(<= ULTIMATE.start_main_~y~4 100), 82770#(<= ULTIMATE.start_main_~y~4 99), 82773#(<= ULTIMATE.start_main_~y~4 102), 82772#(<= ULTIMATE.start_main_~y~4 101), 82775#(<= ULTIMATE.start_main_~y~4 104), 82774#(<= ULTIMATE.start_main_~y~4 103), 82777#(<= ULTIMATE.start_main_~y~4 106), 82776#(<= ULTIMATE.start_main_~y~4 105), 82779#(<= ULTIMATE.start_main_~y~4 108), 82778#(<= ULTIMATE.start_main_~y~4 107), 82781#(<= ULTIMATE.start_main_~y~4 110), 82780#(<= ULTIMATE.start_main_~y~4 109), 82783#(<= ULTIMATE.start_main_~y~4 112), 82782#(<= ULTIMATE.start_main_~y~4 111), 82785#(<= ULTIMATE.start_main_~y~4 114), 82784#(<= ULTIMATE.start_main_~y~4 113), 82787#(<= ULTIMATE.start_main_~y~4 116), 82786#(<= ULTIMATE.start_main_~y~4 115), 82789#(<= ULTIMATE.start_main_~y~4 118), 82788#(<= ULTIMATE.start_main_~y~4 117), 82791#(<= ULTIMATE.start_main_~y~4 120), 82790#(<= ULTIMATE.start_main_~y~4 119), 82793#(<= ULTIMATE.start_main_~y~4 122), 82792#(<= ULTIMATE.start_main_~y~4 121), 82795#(<= ULTIMATE.start_main_~y~4 124), 82794#(<= ULTIMATE.start_main_~y~4 123), 82797#(<= ULTIMATE.start_main_~y~4 126), 82796#(<= ULTIMATE.start_main_~y~4 125), 82799#(<= ULTIMATE.start_main_~y~4 128), 82798#(<= ULTIMATE.start_main_~y~4 127), 82801#(<= ULTIMATE.start_main_~y~4 130), 82800#(<= ULTIMATE.start_main_~y~4 129), 82803#(<= ULTIMATE.start_main_~y~4 132), 82802#(<= ULTIMATE.start_main_~y~4 131), 82805#(<= ULTIMATE.start_main_~y~4 134), 82804#(<= ULTIMATE.start_main_~y~4 133), 82807#(<= ULTIMATE.start_main_~y~4 136), 82806#(<= ULTIMATE.start_main_~y~4 135), 82809#(<= ULTIMATE.start_main_~y~4 138), 82808#(<= ULTIMATE.start_main_~y~4 137), 82811#(<= ULTIMATE.start_main_~y~4 140), 82810#(<= ULTIMATE.start_main_~y~4 139), 82813#(<= ULTIMATE.start_main_~y~4 142), 82812#(<= ULTIMATE.start_main_~y~4 141), 82815#(<= ULTIMATE.start_main_~y~4 144), 82814#(<= ULTIMATE.start_main_~y~4 143), 82817#(<= ULTIMATE.start_main_~y~4 146), 82816#(<= ULTIMATE.start_main_~y~4 145), 82819#(<= ULTIMATE.start_main_~y~4 148), 82818#(<= ULTIMATE.start_main_~y~4 147), 82821#(<= ULTIMATE.start_main_~y~4 150), 82820#(<= ULTIMATE.start_main_~y~4 149), 82823#(<= ULTIMATE.start_main_~y~4 152), 82822#(<= ULTIMATE.start_main_~y~4 151), 82825#(<= ULTIMATE.start_main_~y~4 154), 82824#(<= ULTIMATE.start_main_~y~4 153), 82827#(<= ULTIMATE.start_main_~y~4 156), 82826#(<= ULTIMATE.start_main_~y~4 155), 82829#(<= ULTIMATE.start_main_~y~4 158), 82828#(<= ULTIMATE.start_main_~y~4 157), 82831#(<= ULTIMATE.start_main_~y~4 160), 82830#(<= ULTIMATE.start_main_~y~4 159), 82833#(<= ULTIMATE.start_main_~y~4 162), 82832#(<= ULTIMATE.start_main_~y~4 161), 82835#(<= ULTIMATE.start_main_~y~4 164), 82834#(<= ULTIMATE.start_main_~y~4 163), 82837#(<= ULTIMATE.start_main_~y~4 166), 82836#(<= ULTIMATE.start_main_~y~4 165), 82839#(<= ULTIMATE.start_main_~y~4 168), 82838#(<= ULTIMATE.start_main_~y~4 167), 82841#(<= ULTIMATE.start_main_~y~4 170), 82840#(<= ULTIMATE.start_main_~y~4 169), 82843#(<= ULTIMATE.start_main_~y~4 172), 82842#(<= ULTIMATE.start_main_~y~4 171), 82845#(<= ULTIMATE.start_main_~y~4 174), 82844#(<= ULTIMATE.start_main_~y~4 173), 82847#(<= ULTIMATE.start_main_~y~4 176), 82846#(<= ULTIMATE.start_main_~y~4 175), 82848#(<= ULTIMATE.start_main_~y~4 177), 82669#true, 82671#(<= ULTIMATE.start_main_~y~4 0), 82670#false, 82673#(<= ULTIMATE.start_main_~y~4 2), 82672#(<= ULTIMATE.start_main_~y~4 1), 82675#(<= ULTIMATE.start_main_~y~4 4), 82674#(<= ULTIMATE.start_main_~y~4 3), 82677#(<= ULTIMATE.start_main_~y~4 6), 82676#(<= ULTIMATE.start_main_~y~4 5), 82679#(<= ULTIMATE.start_main_~y~4 8), 82678#(<= ULTIMATE.start_main_~y~4 7), 82681#(<= ULTIMATE.start_main_~y~4 10), 82680#(<= ULTIMATE.start_main_~y~4 9), 82683#(<= ULTIMATE.start_main_~y~4 12), 82682#(<= ULTIMATE.start_main_~y~4 11), 82685#(<= ULTIMATE.start_main_~y~4 14), 82684#(<= ULTIMATE.start_main_~y~4 13), 82687#(<= ULTIMATE.start_main_~y~4 16), 82686#(<= ULTIMATE.start_main_~y~4 15)] [2018-07-23 13:38:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 15753 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:48,807 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:38:48,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:38:48,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:38:48,811 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 180 states. [2018-07-23 13:38:49,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:49,616 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-07-23 13:38:49,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:38:49,616 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 180 [2018-07-23 13:38:49,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:49,617 INFO L225 Difference]: With dead ends: 184 [2018-07-23 13:38:49,617 INFO L226 Difference]: Without dead ends: 182 [2018-07-23 13:38:49,618 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:38:49,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-07-23 13:38:49,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-07-23 13:38:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-07-23 13:38:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 182 transitions. [2018-07-23 13:38:49,621 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 182 transitions. Word has length 180 [2018-07-23 13:38:49,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:49,621 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 182 transitions. [2018-07-23 13:38:49,621 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:38:49,622 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 182 transitions. [2018-07-23 13:38:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-07-23 13:38:49,622 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:49,622 INFO L357 BasicCegarLoop]: trace histogram [178, 1, 1, 1] [2018-07-23 13:38:49,622 INFO L414 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:49,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1893221667, now seen corresponding path program 178 times [2018-07-23 13:38:49,622 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 15931 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:50,391 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:50,391 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:38:50,391 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:50,392 INFO L185 omatonBuilderFactory]: Interpolants [83713#(<= ULTIMATE.start_main_~y~4 130), 83712#(<= ULTIMATE.start_main_~y~4 129), 83715#(<= ULTIMATE.start_main_~y~4 132), 83714#(<= ULTIMATE.start_main_~y~4 131), 83717#(<= ULTIMATE.start_main_~y~4 134), 83716#(<= ULTIMATE.start_main_~y~4 133), 83719#(<= ULTIMATE.start_main_~y~4 136), 83718#(<= ULTIMATE.start_main_~y~4 135), 83721#(<= ULTIMATE.start_main_~y~4 138), 83720#(<= ULTIMATE.start_main_~y~4 137), 83723#(<= ULTIMATE.start_main_~y~4 140), 83722#(<= ULTIMATE.start_main_~y~4 139), 83725#(<= ULTIMATE.start_main_~y~4 142), 83724#(<= ULTIMATE.start_main_~y~4 141), 83727#(<= ULTIMATE.start_main_~y~4 144), 83726#(<= ULTIMATE.start_main_~y~4 143), 83729#(<= ULTIMATE.start_main_~y~4 146), 83728#(<= ULTIMATE.start_main_~y~4 145), 83731#(<= ULTIMATE.start_main_~y~4 148), 83730#(<= ULTIMATE.start_main_~y~4 147), 83733#(<= ULTIMATE.start_main_~y~4 150), 83732#(<= ULTIMATE.start_main_~y~4 149), 83735#(<= ULTIMATE.start_main_~y~4 152), 83734#(<= ULTIMATE.start_main_~y~4 151), 83737#(<= ULTIMATE.start_main_~y~4 154), 83736#(<= ULTIMATE.start_main_~y~4 153), 83739#(<= ULTIMATE.start_main_~y~4 156), 83738#(<= ULTIMATE.start_main_~y~4 155), 83741#(<= ULTIMATE.start_main_~y~4 158), 83740#(<= ULTIMATE.start_main_~y~4 157), 83743#(<= ULTIMATE.start_main_~y~4 160), 83742#(<= ULTIMATE.start_main_~y~4 159), 83745#(<= ULTIMATE.start_main_~y~4 162), 83744#(<= ULTIMATE.start_main_~y~4 161), 83747#(<= ULTIMATE.start_main_~y~4 164), 83746#(<= ULTIMATE.start_main_~y~4 163), 83749#(<= ULTIMATE.start_main_~y~4 166), 83748#(<= ULTIMATE.start_main_~y~4 165), 83751#(<= ULTIMATE.start_main_~y~4 168), 83750#(<= ULTIMATE.start_main_~y~4 167), 83753#(<= ULTIMATE.start_main_~y~4 170), 83752#(<= ULTIMATE.start_main_~y~4 169), 83755#(<= ULTIMATE.start_main_~y~4 172), 83754#(<= ULTIMATE.start_main_~y~4 171), 83757#(<= ULTIMATE.start_main_~y~4 174), 83756#(<= ULTIMATE.start_main_~y~4 173), 83759#(<= ULTIMATE.start_main_~y~4 176), 83758#(<= ULTIMATE.start_main_~y~4 175), 83761#(<= ULTIMATE.start_main_~y~4 178), 83760#(<= ULTIMATE.start_main_~y~4 177), 83581#true, 83583#(<= ULTIMATE.start_main_~y~4 0), 83582#false, 83585#(<= ULTIMATE.start_main_~y~4 2), 83584#(<= ULTIMATE.start_main_~y~4 1), 83587#(<= ULTIMATE.start_main_~y~4 4), 83586#(<= ULTIMATE.start_main_~y~4 3), 83589#(<= ULTIMATE.start_main_~y~4 6), 83588#(<= ULTIMATE.start_main_~y~4 5), 83591#(<= ULTIMATE.start_main_~y~4 8), 83590#(<= ULTIMATE.start_main_~y~4 7), 83593#(<= ULTIMATE.start_main_~y~4 10), 83592#(<= ULTIMATE.start_main_~y~4 9), 83595#(<= ULTIMATE.start_main_~y~4 12), 83594#(<= ULTIMATE.start_main_~y~4 11), 83597#(<= ULTIMATE.start_main_~y~4 14), 83596#(<= ULTIMATE.start_main_~y~4 13), 83599#(<= ULTIMATE.start_main_~y~4 16), 83598#(<= ULTIMATE.start_main_~y~4 15), 83601#(<= ULTIMATE.start_main_~y~4 18), 83600#(<= ULTIMATE.start_main_~y~4 17), 83603#(<= ULTIMATE.start_main_~y~4 20), 83602#(<= ULTIMATE.start_main_~y~4 19), 83605#(<= ULTIMATE.start_main_~y~4 22), 83604#(<= ULTIMATE.start_main_~y~4 21), 83607#(<= ULTIMATE.start_main_~y~4 24), 83606#(<= ULTIMATE.start_main_~y~4 23), 83609#(<= ULTIMATE.start_main_~y~4 26), 83608#(<= ULTIMATE.start_main_~y~4 25), 83611#(<= ULTIMATE.start_main_~y~4 28), 83610#(<= ULTIMATE.start_main_~y~4 27), 83613#(<= ULTIMATE.start_main_~y~4 30), 83612#(<= ULTIMATE.start_main_~y~4 29), 83615#(<= ULTIMATE.start_main_~y~4 32), 83614#(<= ULTIMATE.start_main_~y~4 31), 83617#(<= ULTIMATE.start_main_~y~4 34), 83616#(<= ULTIMATE.start_main_~y~4 33), 83619#(<= ULTIMATE.start_main_~y~4 36), 83618#(<= ULTIMATE.start_main_~y~4 35), 83621#(<= ULTIMATE.start_main_~y~4 38), 83620#(<= ULTIMATE.start_main_~y~4 37), 83623#(<= ULTIMATE.start_main_~y~4 40), 83622#(<= ULTIMATE.start_main_~y~4 39), 83625#(<= ULTIMATE.start_main_~y~4 42), 83624#(<= ULTIMATE.start_main_~y~4 41), 83627#(<= ULTIMATE.start_main_~y~4 44), 83626#(<= ULTIMATE.start_main_~y~4 43), 83629#(<= ULTIMATE.start_main_~y~4 46), 83628#(<= ULTIMATE.start_main_~y~4 45), 83631#(<= ULTIMATE.start_main_~y~4 48), 83630#(<= ULTIMATE.start_main_~y~4 47), 83633#(<= ULTIMATE.start_main_~y~4 50), 83632#(<= ULTIMATE.start_main_~y~4 49), 83635#(<= ULTIMATE.start_main_~y~4 52), 83634#(<= ULTIMATE.start_main_~y~4 51), 83637#(<= ULTIMATE.start_main_~y~4 54), 83636#(<= ULTIMATE.start_main_~y~4 53), 83639#(<= ULTIMATE.start_main_~y~4 56), 83638#(<= ULTIMATE.start_main_~y~4 55), 83641#(<= ULTIMATE.start_main_~y~4 58), 83640#(<= ULTIMATE.start_main_~y~4 57), 83643#(<= ULTIMATE.start_main_~y~4 60), 83642#(<= ULTIMATE.start_main_~y~4 59), 83645#(<= ULTIMATE.start_main_~y~4 62), 83644#(<= ULTIMATE.start_main_~y~4 61), 83647#(<= ULTIMATE.start_main_~y~4 64), 83646#(<= ULTIMATE.start_main_~y~4 63), 83649#(<= ULTIMATE.start_main_~y~4 66), 83648#(<= ULTIMATE.start_main_~y~4 65), 83651#(<= ULTIMATE.start_main_~y~4 68), 83650#(<= ULTIMATE.start_main_~y~4 67), 83653#(<= ULTIMATE.start_main_~y~4 70), 83652#(<= ULTIMATE.start_main_~y~4 69), 83655#(<= ULTIMATE.start_main_~y~4 72), 83654#(<= ULTIMATE.start_main_~y~4 71), 83657#(<= ULTIMATE.start_main_~y~4 74), 83656#(<= ULTIMATE.start_main_~y~4 73), 83659#(<= ULTIMATE.start_main_~y~4 76), 83658#(<= ULTIMATE.start_main_~y~4 75), 83661#(<= ULTIMATE.start_main_~y~4 78), 83660#(<= ULTIMATE.start_main_~y~4 77), 83663#(<= ULTIMATE.start_main_~y~4 80), 83662#(<= ULTIMATE.start_main_~y~4 79), 83665#(<= ULTIMATE.start_main_~y~4 82), 83664#(<= ULTIMATE.start_main_~y~4 81), 83667#(<= ULTIMATE.start_main_~y~4 84), 83666#(<= ULTIMATE.start_main_~y~4 83), 83669#(<= ULTIMATE.start_main_~y~4 86), 83668#(<= ULTIMATE.start_main_~y~4 85), 83671#(<= ULTIMATE.start_main_~y~4 88), 83670#(<= ULTIMATE.start_main_~y~4 87), 83673#(<= ULTIMATE.start_main_~y~4 90), 83672#(<= ULTIMATE.start_main_~y~4 89), 83675#(<= ULTIMATE.start_main_~y~4 92), 83674#(<= ULTIMATE.start_main_~y~4 91), 83677#(<= ULTIMATE.start_main_~y~4 94), 83676#(<= ULTIMATE.start_main_~y~4 93), 83679#(<= ULTIMATE.start_main_~y~4 96), 83678#(<= ULTIMATE.start_main_~y~4 95), 83681#(<= ULTIMATE.start_main_~y~4 98), 83680#(<= ULTIMATE.start_main_~y~4 97), 83683#(<= ULTIMATE.start_main_~y~4 100), 83682#(<= ULTIMATE.start_main_~y~4 99), 83685#(<= ULTIMATE.start_main_~y~4 102), 83684#(<= ULTIMATE.start_main_~y~4 101), 83687#(<= ULTIMATE.start_main_~y~4 104), 83686#(<= ULTIMATE.start_main_~y~4 103), 83689#(<= ULTIMATE.start_main_~y~4 106), 83688#(<= ULTIMATE.start_main_~y~4 105), 83691#(<= ULTIMATE.start_main_~y~4 108), 83690#(<= ULTIMATE.start_main_~y~4 107), 83693#(<= ULTIMATE.start_main_~y~4 110), 83692#(<= ULTIMATE.start_main_~y~4 109), 83695#(<= ULTIMATE.start_main_~y~4 112), 83694#(<= ULTIMATE.start_main_~y~4 111), 83697#(<= ULTIMATE.start_main_~y~4 114), 83696#(<= ULTIMATE.start_main_~y~4 113), 83699#(<= ULTIMATE.start_main_~y~4 116), 83698#(<= ULTIMATE.start_main_~y~4 115), 83701#(<= ULTIMATE.start_main_~y~4 118), 83700#(<= ULTIMATE.start_main_~y~4 117), 83703#(<= ULTIMATE.start_main_~y~4 120), 83702#(<= ULTIMATE.start_main_~y~4 119), 83705#(<= ULTIMATE.start_main_~y~4 122), 83704#(<= ULTIMATE.start_main_~y~4 121), 83707#(<= ULTIMATE.start_main_~y~4 124), 83706#(<= ULTIMATE.start_main_~y~4 123), 83709#(<= ULTIMATE.start_main_~y~4 126), 83708#(<= ULTIMATE.start_main_~y~4 125), 83711#(<= ULTIMATE.start_main_~y~4 128), 83710#(<= ULTIMATE.start_main_~y~4 127)] [2018-07-23 13:38:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 15931 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:50,393 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:38:50,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:38:50,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:38:50,396 INFO L87 Difference]: Start difference. First operand 182 states and 182 transitions. Second operand 181 states. [2018-07-23 13:38:50,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:50,747 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:38:50,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:38:50,747 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 181 [2018-07-23 13:38:50,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:50,747 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:38:50,747 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:38:50,749 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:38:50,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:38:50,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:38:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:38:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:38:50,752 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 181 [2018-07-23 13:38:50,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:50,752 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:38:50,752 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:38:50,752 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:38:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:38:50,753 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:50,753 INFO L357 BasicCegarLoop]: trace histogram [179, 1, 1, 1] [2018-07-23 13:38:50,753 INFO L414 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:50,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1439668660, now seen corresponding path program 179 times [2018-07-23 13:38:50,753 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:51,556 INFO L134 CoverageAnalysis]: Checked inductivity of 16110 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:51,557 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:51,557 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:38:51,557 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:51,558 INFO L185 omatonBuilderFactory]: Interpolants [84499#false, 84498#true, 84501#(<= ULTIMATE.start_main_~y~4 1), 84500#(<= ULTIMATE.start_main_~y~4 0), 84503#(<= ULTIMATE.start_main_~y~4 3), 84502#(<= ULTIMATE.start_main_~y~4 2), 84505#(<= ULTIMATE.start_main_~y~4 5), 84504#(<= ULTIMATE.start_main_~y~4 4), 84507#(<= ULTIMATE.start_main_~y~4 7), 84506#(<= ULTIMATE.start_main_~y~4 6), 84509#(<= ULTIMATE.start_main_~y~4 9), 84508#(<= ULTIMATE.start_main_~y~4 8), 84511#(<= ULTIMATE.start_main_~y~4 11), 84510#(<= ULTIMATE.start_main_~y~4 10), 84513#(<= ULTIMATE.start_main_~y~4 13), 84512#(<= ULTIMATE.start_main_~y~4 12), 84515#(<= ULTIMATE.start_main_~y~4 15), 84514#(<= ULTIMATE.start_main_~y~4 14), 84517#(<= ULTIMATE.start_main_~y~4 17), 84516#(<= ULTIMATE.start_main_~y~4 16), 84519#(<= ULTIMATE.start_main_~y~4 19), 84518#(<= ULTIMATE.start_main_~y~4 18), 84521#(<= ULTIMATE.start_main_~y~4 21), 84520#(<= ULTIMATE.start_main_~y~4 20), 84523#(<= ULTIMATE.start_main_~y~4 23), 84522#(<= ULTIMATE.start_main_~y~4 22), 84525#(<= ULTIMATE.start_main_~y~4 25), 84524#(<= ULTIMATE.start_main_~y~4 24), 84527#(<= ULTIMATE.start_main_~y~4 27), 84526#(<= ULTIMATE.start_main_~y~4 26), 84529#(<= ULTIMATE.start_main_~y~4 29), 84528#(<= ULTIMATE.start_main_~y~4 28), 84531#(<= ULTIMATE.start_main_~y~4 31), 84530#(<= ULTIMATE.start_main_~y~4 30), 84533#(<= ULTIMATE.start_main_~y~4 33), 84532#(<= ULTIMATE.start_main_~y~4 32), 84535#(<= ULTIMATE.start_main_~y~4 35), 84534#(<= ULTIMATE.start_main_~y~4 34), 84537#(<= ULTIMATE.start_main_~y~4 37), 84536#(<= ULTIMATE.start_main_~y~4 36), 84539#(<= ULTIMATE.start_main_~y~4 39), 84538#(<= ULTIMATE.start_main_~y~4 38), 84541#(<= ULTIMATE.start_main_~y~4 41), 84540#(<= ULTIMATE.start_main_~y~4 40), 84543#(<= ULTIMATE.start_main_~y~4 43), 84542#(<= ULTIMATE.start_main_~y~4 42), 84545#(<= ULTIMATE.start_main_~y~4 45), 84544#(<= ULTIMATE.start_main_~y~4 44), 84547#(<= ULTIMATE.start_main_~y~4 47), 84546#(<= ULTIMATE.start_main_~y~4 46), 84549#(<= ULTIMATE.start_main_~y~4 49), 84548#(<= ULTIMATE.start_main_~y~4 48), 84551#(<= ULTIMATE.start_main_~y~4 51), 84550#(<= ULTIMATE.start_main_~y~4 50), 84553#(<= ULTIMATE.start_main_~y~4 53), 84552#(<= ULTIMATE.start_main_~y~4 52), 84555#(<= ULTIMATE.start_main_~y~4 55), 84554#(<= ULTIMATE.start_main_~y~4 54), 84557#(<= ULTIMATE.start_main_~y~4 57), 84556#(<= ULTIMATE.start_main_~y~4 56), 84559#(<= ULTIMATE.start_main_~y~4 59), 84558#(<= ULTIMATE.start_main_~y~4 58), 84561#(<= ULTIMATE.start_main_~y~4 61), 84560#(<= ULTIMATE.start_main_~y~4 60), 84563#(<= ULTIMATE.start_main_~y~4 63), 84562#(<= ULTIMATE.start_main_~y~4 62), 84565#(<= ULTIMATE.start_main_~y~4 65), 84564#(<= ULTIMATE.start_main_~y~4 64), 84567#(<= ULTIMATE.start_main_~y~4 67), 84566#(<= ULTIMATE.start_main_~y~4 66), 84569#(<= ULTIMATE.start_main_~y~4 69), 84568#(<= ULTIMATE.start_main_~y~4 68), 84571#(<= ULTIMATE.start_main_~y~4 71), 84570#(<= ULTIMATE.start_main_~y~4 70), 84573#(<= ULTIMATE.start_main_~y~4 73), 84572#(<= ULTIMATE.start_main_~y~4 72), 84575#(<= ULTIMATE.start_main_~y~4 75), 84574#(<= ULTIMATE.start_main_~y~4 74), 84577#(<= ULTIMATE.start_main_~y~4 77), 84576#(<= ULTIMATE.start_main_~y~4 76), 84579#(<= ULTIMATE.start_main_~y~4 79), 84578#(<= ULTIMATE.start_main_~y~4 78), 84581#(<= ULTIMATE.start_main_~y~4 81), 84580#(<= ULTIMATE.start_main_~y~4 80), 84583#(<= ULTIMATE.start_main_~y~4 83), 84582#(<= ULTIMATE.start_main_~y~4 82), 84585#(<= ULTIMATE.start_main_~y~4 85), 84584#(<= ULTIMATE.start_main_~y~4 84), 84587#(<= ULTIMATE.start_main_~y~4 87), 84586#(<= ULTIMATE.start_main_~y~4 86), 84589#(<= ULTIMATE.start_main_~y~4 89), 84588#(<= ULTIMATE.start_main_~y~4 88), 84591#(<= ULTIMATE.start_main_~y~4 91), 84590#(<= ULTIMATE.start_main_~y~4 90), 84593#(<= ULTIMATE.start_main_~y~4 93), 84592#(<= ULTIMATE.start_main_~y~4 92), 84595#(<= ULTIMATE.start_main_~y~4 95), 84594#(<= ULTIMATE.start_main_~y~4 94), 84597#(<= ULTIMATE.start_main_~y~4 97), 84596#(<= ULTIMATE.start_main_~y~4 96), 84599#(<= ULTIMATE.start_main_~y~4 99), 84598#(<= ULTIMATE.start_main_~y~4 98), 84601#(<= ULTIMATE.start_main_~y~4 101), 84600#(<= ULTIMATE.start_main_~y~4 100), 84603#(<= ULTIMATE.start_main_~y~4 103), 84602#(<= ULTIMATE.start_main_~y~4 102), 84605#(<= ULTIMATE.start_main_~y~4 105), 84604#(<= ULTIMATE.start_main_~y~4 104), 84607#(<= ULTIMATE.start_main_~y~4 107), 84606#(<= ULTIMATE.start_main_~y~4 106), 84609#(<= ULTIMATE.start_main_~y~4 109), 84608#(<= ULTIMATE.start_main_~y~4 108), 84611#(<= ULTIMATE.start_main_~y~4 111), 84610#(<= ULTIMATE.start_main_~y~4 110), 84613#(<= ULTIMATE.start_main_~y~4 113), 84612#(<= ULTIMATE.start_main_~y~4 112), 84615#(<= ULTIMATE.start_main_~y~4 115), 84614#(<= ULTIMATE.start_main_~y~4 114), 84617#(<= ULTIMATE.start_main_~y~4 117), 84616#(<= ULTIMATE.start_main_~y~4 116), 84619#(<= ULTIMATE.start_main_~y~4 119), 84618#(<= ULTIMATE.start_main_~y~4 118), 84621#(<= ULTIMATE.start_main_~y~4 121), 84620#(<= ULTIMATE.start_main_~y~4 120), 84623#(<= ULTIMATE.start_main_~y~4 123), 84622#(<= ULTIMATE.start_main_~y~4 122), 84625#(<= ULTIMATE.start_main_~y~4 125), 84624#(<= ULTIMATE.start_main_~y~4 124), 84627#(<= ULTIMATE.start_main_~y~4 127), 84626#(<= ULTIMATE.start_main_~y~4 126), 84629#(<= ULTIMATE.start_main_~y~4 129), 84628#(<= ULTIMATE.start_main_~y~4 128), 84631#(<= ULTIMATE.start_main_~y~4 131), 84630#(<= ULTIMATE.start_main_~y~4 130), 84633#(<= ULTIMATE.start_main_~y~4 133), 84632#(<= ULTIMATE.start_main_~y~4 132), 84635#(<= ULTIMATE.start_main_~y~4 135), 84634#(<= ULTIMATE.start_main_~y~4 134), 84637#(<= ULTIMATE.start_main_~y~4 137), 84636#(<= ULTIMATE.start_main_~y~4 136), 84639#(<= ULTIMATE.start_main_~y~4 139), 84638#(<= ULTIMATE.start_main_~y~4 138), 84641#(<= ULTIMATE.start_main_~y~4 141), 84640#(<= ULTIMATE.start_main_~y~4 140), 84643#(<= ULTIMATE.start_main_~y~4 143), 84642#(<= ULTIMATE.start_main_~y~4 142), 84645#(<= ULTIMATE.start_main_~y~4 145), 84644#(<= ULTIMATE.start_main_~y~4 144), 84647#(<= ULTIMATE.start_main_~y~4 147), 84646#(<= ULTIMATE.start_main_~y~4 146), 84649#(<= ULTIMATE.start_main_~y~4 149), 84648#(<= ULTIMATE.start_main_~y~4 148), 84651#(<= ULTIMATE.start_main_~y~4 151), 84650#(<= ULTIMATE.start_main_~y~4 150), 84653#(<= ULTIMATE.start_main_~y~4 153), 84652#(<= ULTIMATE.start_main_~y~4 152), 84655#(<= ULTIMATE.start_main_~y~4 155), 84654#(<= ULTIMATE.start_main_~y~4 154), 84657#(<= ULTIMATE.start_main_~y~4 157), 84656#(<= ULTIMATE.start_main_~y~4 156), 84659#(<= ULTIMATE.start_main_~y~4 159), 84658#(<= ULTIMATE.start_main_~y~4 158), 84661#(<= ULTIMATE.start_main_~y~4 161), 84660#(<= ULTIMATE.start_main_~y~4 160), 84663#(<= ULTIMATE.start_main_~y~4 163), 84662#(<= ULTIMATE.start_main_~y~4 162), 84665#(<= ULTIMATE.start_main_~y~4 165), 84664#(<= ULTIMATE.start_main_~y~4 164), 84667#(<= ULTIMATE.start_main_~y~4 167), 84666#(<= ULTIMATE.start_main_~y~4 166), 84669#(<= ULTIMATE.start_main_~y~4 169), 84668#(<= ULTIMATE.start_main_~y~4 168), 84671#(<= ULTIMATE.start_main_~y~4 171), 84670#(<= ULTIMATE.start_main_~y~4 170), 84673#(<= ULTIMATE.start_main_~y~4 173), 84672#(<= ULTIMATE.start_main_~y~4 172), 84675#(<= ULTIMATE.start_main_~y~4 175), 84674#(<= ULTIMATE.start_main_~y~4 174), 84677#(<= ULTIMATE.start_main_~y~4 177), 84676#(<= ULTIMATE.start_main_~y~4 176), 84679#(<= ULTIMATE.start_main_~y~4 179), 84678#(<= ULTIMATE.start_main_~y~4 178)] [2018-07-23 13:38:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 16110 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:51,559 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:38:51,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:38:51,562 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:38:51,562 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 182 states. [2018-07-23 13:38:52,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:52,503 INFO L93 Difference]: Finished difference Result 186 states and 186 transitions. [2018-07-23 13:38:52,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:38:52,504 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 182 [2018-07-23 13:38:52,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:52,504 INFO L225 Difference]: With dead ends: 186 [2018-07-23 13:38:52,504 INFO L226 Difference]: Without dead ends: 184 [2018-07-23 13:38:52,506 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:38:52,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-07-23 13:38:52,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2018-07-23 13:38:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-07-23 13:38:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2018-07-23 13:38:52,509 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 182 [2018-07-23 13:38:52,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:52,509 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2018-07-23 13:38:52,509 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:38:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2018-07-23 13:38:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-07-23 13:38:52,510 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:52,510 INFO L357 BasicCegarLoop]: trace histogram [180, 1, 1, 1] [2018-07-23 13:38:52,510 INFO L414 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:52,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1680053693, now seen corresponding path program 180 times [2018-07-23 13:38:52,510 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 16290 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:53,314 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:53,314 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:38:53,314 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:53,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:53,314 INFO L185 omatonBuilderFactory]: Interpolants [85505#(<= ULTIMATE.start_main_~y~4 83), 85504#(<= ULTIMATE.start_main_~y~4 82), 85507#(<= ULTIMATE.start_main_~y~4 85), 85506#(<= ULTIMATE.start_main_~y~4 84), 85509#(<= ULTIMATE.start_main_~y~4 87), 85508#(<= ULTIMATE.start_main_~y~4 86), 85511#(<= ULTIMATE.start_main_~y~4 89), 85510#(<= ULTIMATE.start_main_~y~4 88), 85513#(<= ULTIMATE.start_main_~y~4 91), 85512#(<= ULTIMATE.start_main_~y~4 90), 85515#(<= ULTIMATE.start_main_~y~4 93), 85514#(<= ULTIMATE.start_main_~y~4 92), 85517#(<= ULTIMATE.start_main_~y~4 95), 85516#(<= ULTIMATE.start_main_~y~4 94), 85519#(<= ULTIMATE.start_main_~y~4 97), 85518#(<= ULTIMATE.start_main_~y~4 96), 85521#(<= ULTIMATE.start_main_~y~4 99), 85520#(<= ULTIMATE.start_main_~y~4 98), 85523#(<= ULTIMATE.start_main_~y~4 101), 85522#(<= ULTIMATE.start_main_~y~4 100), 85525#(<= ULTIMATE.start_main_~y~4 103), 85524#(<= ULTIMATE.start_main_~y~4 102), 85527#(<= ULTIMATE.start_main_~y~4 105), 85526#(<= ULTIMATE.start_main_~y~4 104), 85529#(<= ULTIMATE.start_main_~y~4 107), 85528#(<= ULTIMATE.start_main_~y~4 106), 85531#(<= ULTIMATE.start_main_~y~4 109), 85530#(<= ULTIMATE.start_main_~y~4 108), 85533#(<= ULTIMATE.start_main_~y~4 111), 85532#(<= ULTIMATE.start_main_~y~4 110), 85535#(<= ULTIMATE.start_main_~y~4 113), 85534#(<= ULTIMATE.start_main_~y~4 112), 85537#(<= ULTIMATE.start_main_~y~4 115), 85536#(<= ULTIMATE.start_main_~y~4 114), 85539#(<= ULTIMATE.start_main_~y~4 117), 85538#(<= ULTIMATE.start_main_~y~4 116), 85541#(<= ULTIMATE.start_main_~y~4 119), 85540#(<= ULTIMATE.start_main_~y~4 118), 85543#(<= ULTIMATE.start_main_~y~4 121), 85542#(<= ULTIMATE.start_main_~y~4 120), 85545#(<= ULTIMATE.start_main_~y~4 123), 85544#(<= ULTIMATE.start_main_~y~4 122), 85547#(<= ULTIMATE.start_main_~y~4 125), 85546#(<= ULTIMATE.start_main_~y~4 124), 85549#(<= ULTIMATE.start_main_~y~4 127), 85548#(<= ULTIMATE.start_main_~y~4 126), 85551#(<= ULTIMATE.start_main_~y~4 129), 85550#(<= ULTIMATE.start_main_~y~4 128), 85553#(<= ULTIMATE.start_main_~y~4 131), 85552#(<= ULTIMATE.start_main_~y~4 130), 85555#(<= ULTIMATE.start_main_~y~4 133), 85554#(<= ULTIMATE.start_main_~y~4 132), 85557#(<= ULTIMATE.start_main_~y~4 135), 85556#(<= ULTIMATE.start_main_~y~4 134), 85559#(<= ULTIMATE.start_main_~y~4 137), 85558#(<= ULTIMATE.start_main_~y~4 136), 85561#(<= ULTIMATE.start_main_~y~4 139), 85560#(<= ULTIMATE.start_main_~y~4 138), 85563#(<= ULTIMATE.start_main_~y~4 141), 85562#(<= ULTIMATE.start_main_~y~4 140), 85565#(<= ULTIMATE.start_main_~y~4 143), 85564#(<= ULTIMATE.start_main_~y~4 142), 85567#(<= ULTIMATE.start_main_~y~4 145), 85566#(<= ULTIMATE.start_main_~y~4 144), 85569#(<= ULTIMATE.start_main_~y~4 147), 85568#(<= ULTIMATE.start_main_~y~4 146), 85571#(<= ULTIMATE.start_main_~y~4 149), 85570#(<= ULTIMATE.start_main_~y~4 148), 85573#(<= ULTIMATE.start_main_~y~4 151), 85572#(<= ULTIMATE.start_main_~y~4 150), 85575#(<= ULTIMATE.start_main_~y~4 153), 85574#(<= ULTIMATE.start_main_~y~4 152), 85577#(<= ULTIMATE.start_main_~y~4 155), 85576#(<= ULTIMATE.start_main_~y~4 154), 85579#(<= ULTIMATE.start_main_~y~4 157), 85578#(<= ULTIMATE.start_main_~y~4 156), 85581#(<= ULTIMATE.start_main_~y~4 159), 85580#(<= ULTIMATE.start_main_~y~4 158), 85583#(<= ULTIMATE.start_main_~y~4 161), 85582#(<= ULTIMATE.start_main_~y~4 160), 85585#(<= ULTIMATE.start_main_~y~4 163), 85584#(<= ULTIMATE.start_main_~y~4 162), 85587#(<= ULTIMATE.start_main_~y~4 165), 85586#(<= ULTIMATE.start_main_~y~4 164), 85589#(<= ULTIMATE.start_main_~y~4 167), 85588#(<= ULTIMATE.start_main_~y~4 166), 85591#(<= ULTIMATE.start_main_~y~4 169), 85590#(<= ULTIMATE.start_main_~y~4 168), 85593#(<= ULTIMATE.start_main_~y~4 171), 85592#(<= ULTIMATE.start_main_~y~4 170), 85595#(<= ULTIMATE.start_main_~y~4 173), 85594#(<= ULTIMATE.start_main_~y~4 172), 85597#(<= ULTIMATE.start_main_~y~4 175), 85596#(<= ULTIMATE.start_main_~y~4 174), 85599#(<= ULTIMATE.start_main_~y~4 177), 85598#(<= ULTIMATE.start_main_~y~4 176), 85601#(<= ULTIMATE.start_main_~y~4 179), 85600#(<= ULTIMATE.start_main_~y~4 178), 85602#(<= ULTIMATE.start_main_~y~4 180), 85421#false, 85420#true, 85423#(<= ULTIMATE.start_main_~y~4 1), 85422#(<= ULTIMATE.start_main_~y~4 0), 85425#(<= ULTIMATE.start_main_~y~4 3), 85424#(<= ULTIMATE.start_main_~y~4 2), 85427#(<= ULTIMATE.start_main_~y~4 5), 85426#(<= ULTIMATE.start_main_~y~4 4), 85429#(<= ULTIMATE.start_main_~y~4 7), 85428#(<= ULTIMATE.start_main_~y~4 6), 85431#(<= ULTIMATE.start_main_~y~4 9), 85430#(<= ULTIMATE.start_main_~y~4 8), 85433#(<= ULTIMATE.start_main_~y~4 11), 85432#(<= ULTIMATE.start_main_~y~4 10), 85435#(<= ULTIMATE.start_main_~y~4 13), 85434#(<= ULTIMATE.start_main_~y~4 12), 85437#(<= ULTIMATE.start_main_~y~4 15), 85436#(<= ULTIMATE.start_main_~y~4 14), 85439#(<= ULTIMATE.start_main_~y~4 17), 85438#(<= ULTIMATE.start_main_~y~4 16), 85441#(<= ULTIMATE.start_main_~y~4 19), 85440#(<= ULTIMATE.start_main_~y~4 18), 85443#(<= ULTIMATE.start_main_~y~4 21), 85442#(<= ULTIMATE.start_main_~y~4 20), 85445#(<= ULTIMATE.start_main_~y~4 23), 85444#(<= ULTIMATE.start_main_~y~4 22), 85447#(<= ULTIMATE.start_main_~y~4 25), 85446#(<= ULTIMATE.start_main_~y~4 24), 85449#(<= ULTIMATE.start_main_~y~4 27), 85448#(<= ULTIMATE.start_main_~y~4 26), 85451#(<= ULTIMATE.start_main_~y~4 29), 85450#(<= ULTIMATE.start_main_~y~4 28), 85453#(<= ULTIMATE.start_main_~y~4 31), 85452#(<= ULTIMATE.start_main_~y~4 30), 85455#(<= ULTIMATE.start_main_~y~4 33), 85454#(<= ULTIMATE.start_main_~y~4 32), 85457#(<= ULTIMATE.start_main_~y~4 35), 85456#(<= ULTIMATE.start_main_~y~4 34), 85459#(<= ULTIMATE.start_main_~y~4 37), 85458#(<= ULTIMATE.start_main_~y~4 36), 85461#(<= ULTIMATE.start_main_~y~4 39), 85460#(<= ULTIMATE.start_main_~y~4 38), 85463#(<= ULTIMATE.start_main_~y~4 41), 85462#(<= ULTIMATE.start_main_~y~4 40), 85465#(<= ULTIMATE.start_main_~y~4 43), 85464#(<= ULTIMATE.start_main_~y~4 42), 85467#(<= ULTIMATE.start_main_~y~4 45), 85466#(<= ULTIMATE.start_main_~y~4 44), 85469#(<= ULTIMATE.start_main_~y~4 47), 85468#(<= ULTIMATE.start_main_~y~4 46), 85471#(<= ULTIMATE.start_main_~y~4 49), 85470#(<= ULTIMATE.start_main_~y~4 48), 85473#(<= ULTIMATE.start_main_~y~4 51), 85472#(<= ULTIMATE.start_main_~y~4 50), 85475#(<= ULTIMATE.start_main_~y~4 53), 85474#(<= ULTIMATE.start_main_~y~4 52), 85477#(<= ULTIMATE.start_main_~y~4 55), 85476#(<= ULTIMATE.start_main_~y~4 54), 85479#(<= ULTIMATE.start_main_~y~4 57), 85478#(<= ULTIMATE.start_main_~y~4 56), 85481#(<= ULTIMATE.start_main_~y~4 59), 85480#(<= ULTIMATE.start_main_~y~4 58), 85483#(<= ULTIMATE.start_main_~y~4 61), 85482#(<= ULTIMATE.start_main_~y~4 60), 85485#(<= ULTIMATE.start_main_~y~4 63), 85484#(<= ULTIMATE.start_main_~y~4 62), 85487#(<= ULTIMATE.start_main_~y~4 65), 85486#(<= ULTIMATE.start_main_~y~4 64), 85489#(<= ULTIMATE.start_main_~y~4 67), 85488#(<= ULTIMATE.start_main_~y~4 66), 85491#(<= ULTIMATE.start_main_~y~4 69), 85490#(<= ULTIMATE.start_main_~y~4 68), 85493#(<= ULTIMATE.start_main_~y~4 71), 85492#(<= ULTIMATE.start_main_~y~4 70), 85495#(<= ULTIMATE.start_main_~y~4 73), 85494#(<= ULTIMATE.start_main_~y~4 72), 85497#(<= ULTIMATE.start_main_~y~4 75), 85496#(<= ULTIMATE.start_main_~y~4 74), 85499#(<= ULTIMATE.start_main_~y~4 77), 85498#(<= ULTIMATE.start_main_~y~4 76), 85501#(<= ULTIMATE.start_main_~y~4 79), 85500#(<= ULTIMATE.start_main_~y~4 78), 85503#(<= ULTIMATE.start_main_~y~4 81), 85502#(<= ULTIMATE.start_main_~y~4 80)] [2018-07-23 13:38:53,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16290 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:53,315 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:38:53,317 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:38:53,318 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:38:53,319 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand 183 states. [2018-07-23 13:38:53,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:53,616 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:38:53,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:38:53,616 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 183 [2018-07-23 13:38:53,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:53,617 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:38:53,617 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:38:53,619 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:38:53,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:38:53,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:38:53,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:38:53,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:38:53,622 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 183 [2018-07-23 13:38:53,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:53,622 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:38:53,622 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:38:53,622 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:38:53,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:38:53,623 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:53,623 INFO L357 BasicCegarLoop]: trace histogram [181, 1, 1, 1] [2018-07-23 13:38:53,623 INFO L414 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:53,623 INFO L82 PathProgramCache]: Analyzing trace with hash -542055124, now seen corresponding path program 181 times [2018-07-23 13:38:53,623 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 16471 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:54,373 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:54,373 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:38:54,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:54,373 INFO L185 omatonBuilderFactory]: Interpolants [86529#(<= ULTIMATE.start_main_~y~4 180), 86528#(<= ULTIMATE.start_main_~y~4 179), 86530#(<= ULTIMATE.start_main_~y~4 181), 86347#true, 86349#(<= ULTIMATE.start_main_~y~4 0), 86348#false, 86351#(<= ULTIMATE.start_main_~y~4 2), 86350#(<= ULTIMATE.start_main_~y~4 1), 86353#(<= ULTIMATE.start_main_~y~4 4), 86352#(<= ULTIMATE.start_main_~y~4 3), 86355#(<= ULTIMATE.start_main_~y~4 6), 86354#(<= ULTIMATE.start_main_~y~4 5), 86357#(<= ULTIMATE.start_main_~y~4 8), 86356#(<= ULTIMATE.start_main_~y~4 7), 86359#(<= ULTIMATE.start_main_~y~4 10), 86358#(<= ULTIMATE.start_main_~y~4 9), 86361#(<= ULTIMATE.start_main_~y~4 12), 86360#(<= ULTIMATE.start_main_~y~4 11), 86363#(<= ULTIMATE.start_main_~y~4 14), 86362#(<= ULTIMATE.start_main_~y~4 13), 86365#(<= ULTIMATE.start_main_~y~4 16), 86364#(<= ULTIMATE.start_main_~y~4 15), 86367#(<= ULTIMATE.start_main_~y~4 18), 86366#(<= ULTIMATE.start_main_~y~4 17), 86369#(<= ULTIMATE.start_main_~y~4 20), 86368#(<= ULTIMATE.start_main_~y~4 19), 86371#(<= ULTIMATE.start_main_~y~4 22), 86370#(<= ULTIMATE.start_main_~y~4 21), 86373#(<= ULTIMATE.start_main_~y~4 24), 86372#(<= ULTIMATE.start_main_~y~4 23), 86375#(<= ULTIMATE.start_main_~y~4 26), 86374#(<= ULTIMATE.start_main_~y~4 25), 86377#(<= ULTIMATE.start_main_~y~4 28), 86376#(<= ULTIMATE.start_main_~y~4 27), 86379#(<= ULTIMATE.start_main_~y~4 30), 86378#(<= ULTIMATE.start_main_~y~4 29), 86381#(<= ULTIMATE.start_main_~y~4 32), 86380#(<= ULTIMATE.start_main_~y~4 31), 86383#(<= ULTIMATE.start_main_~y~4 34), 86382#(<= ULTIMATE.start_main_~y~4 33), 86385#(<= ULTIMATE.start_main_~y~4 36), 86384#(<= ULTIMATE.start_main_~y~4 35), 86387#(<= ULTIMATE.start_main_~y~4 38), 86386#(<= ULTIMATE.start_main_~y~4 37), 86389#(<= ULTIMATE.start_main_~y~4 40), 86388#(<= ULTIMATE.start_main_~y~4 39), 86391#(<= ULTIMATE.start_main_~y~4 42), 86390#(<= ULTIMATE.start_main_~y~4 41), 86393#(<= ULTIMATE.start_main_~y~4 44), 86392#(<= ULTIMATE.start_main_~y~4 43), 86395#(<= ULTIMATE.start_main_~y~4 46), 86394#(<= ULTIMATE.start_main_~y~4 45), 86397#(<= ULTIMATE.start_main_~y~4 48), 86396#(<= ULTIMATE.start_main_~y~4 47), 86399#(<= ULTIMATE.start_main_~y~4 50), 86398#(<= ULTIMATE.start_main_~y~4 49), 86401#(<= ULTIMATE.start_main_~y~4 52), 86400#(<= ULTIMATE.start_main_~y~4 51), 86403#(<= ULTIMATE.start_main_~y~4 54), 86402#(<= ULTIMATE.start_main_~y~4 53), 86405#(<= ULTIMATE.start_main_~y~4 56), 86404#(<= ULTIMATE.start_main_~y~4 55), 86407#(<= ULTIMATE.start_main_~y~4 58), 86406#(<= ULTIMATE.start_main_~y~4 57), 86409#(<= ULTIMATE.start_main_~y~4 60), 86408#(<= ULTIMATE.start_main_~y~4 59), 86411#(<= ULTIMATE.start_main_~y~4 62), 86410#(<= ULTIMATE.start_main_~y~4 61), 86413#(<= ULTIMATE.start_main_~y~4 64), 86412#(<= ULTIMATE.start_main_~y~4 63), 86415#(<= ULTIMATE.start_main_~y~4 66), 86414#(<= ULTIMATE.start_main_~y~4 65), 86417#(<= ULTIMATE.start_main_~y~4 68), 86416#(<= ULTIMATE.start_main_~y~4 67), 86419#(<= ULTIMATE.start_main_~y~4 70), 86418#(<= ULTIMATE.start_main_~y~4 69), 86421#(<= ULTIMATE.start_main_~y~4 72), 86420#(<= ULTIMATE.start_main_~y~4 71), 86423#(<= ULTIMATE.start_main_~y~4 74), 86422#(<= ULTIMATE.start_main_~y~4 73), 86425#(<= ULTIMATE.start_main_~y~4 76), 86424#(<= ULTIMATE.start_main_~y~4 75), 86427#(<= ULTIMATE.start_main_~y~4 78), 86426#(<= ULTIMATE.start_main_~y~4 77), 86429#(<= ULTIMATE.start_main_~y~4 80), 86428#(<= ULTIMATE.start_main_~y~4 79), 86431#(<= ULTIMATE.start_main_~y~4 82), 86430#(<= ULTIMATE.start_main_~y~4 81), 86433#(<= ULTIMATE.start_main_~y~4 84), 86432#(<= ULTIMATE.start_main_~y~4 83), 86435#(<= ULTIMATE.start_main_~y~4 86), 86434#(<= ULTIMATE.start_main_~y~4 85), 86437#(<= ULTIMATE.start_main_~y~4 88), 86436#(<= ULTIMATE.start_main_~y~4 87), 86439#(<= ULTIMATE.start_main_~y~4 90), 86438#(<= ULTIMATE.start_main_~y~4 89), 86441#(<= ULTIMATE.start_main_~y~4 92), 86440#(<= ULTIMATE.start_main_~y~4 91), 86443#(<= ULTIMATE.start_main_~y~4 94), 86442#(<= ULTIMATE.start_main_~y~4 93), 86445#(<= ULTIMATE.start_main_~y~4 96), 86444#(<= ULTIMATE.start_main_~y~4 95), 86447#(<= ULTIMATE.start_main_~y~4 98), 86446#(<= ULTIMATE.start_main_~y~4 97), 86449#(<= ULTIMATE.start_main_~y~4 100), 86448#(<= ULTIMATE.start_main_~y~4 99), 86451#(<= ULTIMATE.start_main_~y~4 102), 86450#(<= ULTIMATE.start_main_~y~4 101), 86453#(<= ULTIMATE.start_main_~y~4 104), 86452#(<= ULTIMATE.start_main_~y~4 103), 86455#(<= ULTIMATE.start_main_~y~4 106), 86454#(<= ULTIMATE.start_main_~y~4 105), 86457#(<= ULTIMATE.start_main_~y~4 108), 86456#(<= ULTIMATE.start_main_~y~4 107), 86459#(<= ULTIMATE.start_main_~y~4 110), 86458#(<= ULTIMATE.start_main_~y~4 109), 86461#(<= ULTIMATE.start_main_~y~4 112), 86460#(<= ULTIMATE.start_main_~y~4 111), 86463#(<= ULTIMATE.start_main_~y~4 114), 86462#(<= ULTIMATE.start_main_~y~4 113), 86465#(<= ULTIMATE.start_main_~y~4 116), 86464#(<= ULTIMATE.start_main_~y~4 115), 86467#(<= ULTIMATE.start_main_~y~4 118), 86466#(<= ULTIMATE.start_main_~y~4 117), 86469#(<= ULTIMATE.start_main_~y~4 120), 86468#(<= ULTIMATE.start_main_~y~4 119), 86471#(<= ULTIMATE.start_main_~y~4 122), 86470#(<= ULTIMATE.start_main_~y~4 121), 86473#(<= ULTIMATE.start_main_~y~4 124), 86472#(<= ULTIMATE.start_main_~y~4 123), 86475#(<= ULTIMATE.start_main_~y~4 126), 86474#(<= ULTIMATE.start_main_~y~4 125), 86477#(<= ULTIMATE.start_main_~y~4 128), 86476#(<= ULTIMATE.start_main_~y~4 127), 86479#(<= ULTIMATE.start_main_~y~4 130), 86478#(<= ULTIMATE.start_main_~y~4 129), 86481#(<= ULTIMATE.start_main_~y~4 132), 86480#(<= ULTIMATE.start_main_~y~4 131), 86483#(<= ULTIMATE.start_main_~y~4 134), 86482#(<= ULTIMATE.start_main_~y~4 133), 86485#(<= ULTIMATE.start_main_~y~4 136), 86484#(<= ULTIMATE.start_main_~y~4 135), 86487#(<= ULTIMATE.start_main_~y~4 138), 86486#(<= ULTIMATE.start_main_~y~4 137), 86489#(<= ULTIMATE.start_main_~y~4 140), 86488#(<= ULTIMATE.start_main_~y~4 139), 86491#(<= ULTIMATE.start_main_~y~4 142), 86490#(<= ULTIMATE.start_main_~y~4 141), 86493#(<= ULTIMATE.start_main_~y~4 144), 86492#(<= ULTIMATE.start_main_~y~4 143), 86495#(<= ULTIMATE.start_main_~y~4 146), 86494#(<= ULTIMATE.start_main_~y~4 145), 86497#(<= ULTIMATE.start_main_~y~4 148), 86496#(<= ULTIMATE.start_main_~y~4 147), 86499#(<= ULTIMATE.start_main_~y~4 150), 86498#(<= ULTIMATE.start_main_~y~4 149), 86501#(<= ULTIMATE.start_main_~y~4 152), 86500#(<= ULTIMATE.start_main_~y~4 151), 86503#(<= ULTIMATE.start_main_~y~4 154), 86502#(<= ULTIMATE.start_main_~y~4 153), 86505#(<= ULTIMATE.start_main_~y~4 156), 86504#(<= ULTIMATE.start_main_~y~4 155), 86507#(<= ULTIMATE.start_main_~y~4 158), 86506#(<= ULTIMATE.start_main_~y~4 157), 86509#(<= ULTIMATE.start_main_~y~4 160), 86508#(<= ULTIMATE.start_main_~y~4 159), 86511#(<= ULTIMATE.start_main_~y~4 162), 86510#(<= ULTIMATE.start_main_~y~4 161), 86513#(<= ULTIMATE.start_main_~y~4 164), 86512#(<= ULTIMATE.start_main_~y~4 163), 86515#(<= ULTIMATE.start_main_~y~4 166), 86514#(<= ULTIMATE.start_main_~y~4 165), 86517#(<= ULTIMATE.start_main_~y~4 168), 86516#(<= ULTIMATE.start_main_~y~4 167), 86519#(<= ULTIMATE.start_main_~y~4 170), 86518#(<= ULTIMATE.start_main_~y~4 169), 86521#(<= ULTIMATE.start_main_~y~4 172), 86520#(<= ULTIMATE.start_main_~y~4 171), 86523#(<= ULTIMATE.start_main_~y~4 174), 86522#(<= ULTIMATE.start_main_~y~4 173), 86525#(<= ULTIMATE.start_main_~y~4 176), 86524#(<= ULTIMATE.start_main_~y~4 175), 86527#(<= ULTIMATE.start_main_~y~4 178), 86526#(<= ULTIMATE.start_main_~y~4 177)] [2018-07-23 13:38:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 16471 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:54,374 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:38:54,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:38:54,377 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:38:54,378 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 184 states. [2018-07-23 13:38:55,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:55,167 INFO L93 Difference]: Finished difference Result 188 states and 188 transitions. [2018-07-23 13:38:55,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:38:55,168 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 184 [2018-07-23 13:38:55,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:55,168 INFO L225 Difference]: With dead ends: 188 [2018-07-23 13:38:55,168 INFO L226 Difference]: Without dead ends: 186 [2018-07-23 13:38:55,171 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:38:55,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-07-23 13:38:55,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2018-07-23 13:38:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-07-23 13:38:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 186 transitions. [2018-07-23 13:38:55,173 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 186 transitions. Word has length 184 [2018-07-23 13:38:55,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:55,174 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 186 transitions. [2018-07-23 13:38:55,174 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:38:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 186 transitions. [2018-07-23 13:38:55,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-07-23 13:38:55,174 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:55,174 INFO L357 BasicCegarLoop]: trace histogram [182, 1, 1, 1] [2018-07-23 13:38:55,175 INFO L414 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:55,175 INFO L82 PathProgramCache]: Analyzing trace with hash 376162147, now seen corresponding path program 182 times [2018-07-23 13:38:55,175 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:56,026 INFO L134 CoverageAnalysis]: Checked inductivity of 16653 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:56,027 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:56,027 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:38:56,027 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:56,027 INFO L185 omatonBuilderFactory]: Interpolants [87297#(<= ULTIMATE.start_main_~y~4 16), 87296#(<= ULTIMATE.start_main_~y~4 15), 87299#(<= ULTIMATE.start_main_~y~4 18), 87298#(<= ULTIMATE.start_main_~y~4 17), 87301#(<= ULTIMATE.start_main_~y~4 20), 87300#(<= ULTIMATE.start_main_~y~4 19), 87303#(<= ULTIMATE.start_main_~y~4 22), 87302#(<= ULTIMATE.start_main_~y~4 21), 87305#(<= ULTIMATE.start_main_~y~4 24), 87304#(<= ULTIMATE.start_main_~y~4 23), 87307#(<= ULTIMATE.start_main_~y~4 26), 87306#(<= ULTIMATE.start_main_~y~4 25), 87309#(<= ULTIMATE.start_main_~y~4 28), 87308#(<= ULTIMATE.start_main_~y~4 27), 87311#(<= ULTIMATE.start_main_~y~4 30), 87310#(<= ULTIMATE.start_main_~y~4 29), 87313#(<= ULTIMATE.start_main_~y~4 32), 87312#(<= ULTIMATE.start_main_~y~4 31), 87315#(<= ULTIMATE.start_main_~y~4 34), 87314#(<= ULTIMATE.start_main_~y~4 33), 87317#(<= ULTIMATE.start_main_~y~4 36), 87316#(<= ULTIMATE.start_main_~y~4 35), 87319#(<= ULTIMATE.start_main_~y~4 38), 87318#(<= ULTIMATE.start_main_~y~4 37), 87321#(<= ULTIMATE.start_main_~y~4 40), 87320#(<= ULTIMATE.start_main_~y~4 39), 87323#(<= ULTIMATE.start_main_~y~4 42), 87322#(<= ULTIMATE.start_main_~y~4 41), 87325#(<= ULTIMATE.start_main_~y~4 44), 87324#(<= ULTIMATE.start_main_~y~4 43), 87327#(<= ULTIMATE.start_main_~y~4 46), 87326#(<= ULTIMATE.start_main_~y~4 45), 87329#(<= ULTIMATE.start_main_~y~4 48), 87328#(<= ULTIMATE.start_main_~y~4 47), 87331#(<= ULTIMATE.start_main_~y~4 50), 87330#(<= ULTIMATE.start_main_~y~4 49), 87333#(<= ULTIMATE.start_main_~y~4 52), 87332#(<= ULTIMATE.start_main_~y~4 51), 87335#(<= ULTIMATE.start_main_~y~4 54), 87334#(<= ULTIMATE.start_main_~y~4 53), 87337#(<= ULTIMATE.start_main_~y~4 56), 87336#(<= ULTIMATE.start_main_~y~4 55), 87339#(<= ULTIMATE.start_main_~y~4 58), 87338#(<= ULTIMATE.start_main_~y~4 57), 87341#(<= ULTIMATE.start_main_~y~4 60), 87340#(<= ULTIMATE.start_main_~y~4 59), 87343#(<= ULTIMATE.start_main_~y~4 62), 87342#(<= ULTIMATE.start_main_~y~4 61), 87345#(<= ULTIMATE.start_main_~y~4 64), 87344#(<= ULTIMATE.start_main_~y~4 63), 87347#(<= ULTIMATE.start_main_~y~4 66), 87346#(<= ULTIMATE.start_main_~y~4 65), 87349#(<= ULTIMATE.start_main_~y~4 68), 87348#(<= ULTIMATE.start_main_~y~4 67), 87351#(<= ULTIMATE.start_main_~y~4 70), 87350#(<= ULTIMATE.start_main_~y~4 69), 87353#(<= ULTIMATE.start_main_~y~4 72), 87352#(<= ULTIMATE.start_main_~y~4 71), 87355#(<= ULTIMATE.start_main_~y~4 74), 87354#(<= ULTIMATE.start_main_~y~4 73), 87357#(<= ULTIMATE.start_main_~y~4 76), 87356#(<= ULTIMATE.start_main_~y~4 75), 87359#(<= ULTIMATE.start_main_~y~4 78), 87358#(<= ULTIMATE.start_main_~y~4 77), 87361#(<= ULTIMATE.start_main_~y~4 80), 87360#(<= ULTIMATE.start_main_~y~4 79), 87363#(<= ULTIMATE.start_main_~y~4 82), 87362#(<= ULTIMATE.start_main_~y~4 81), 87365#(<= ULTIMATE.start_main_~y~4 84), 87364#(<= ULTIMATE.start_main_~y~4 83), 87367#(<= ULTIMATE.start_main_~y~4 86), 87366#(<= ULTIMATE.start_main_~y~4 85), 87369#(<= ULTIMATE.start_main_~y~4 88), 87368#(<= ULTIMATE.start_main_~y~4 87), 87371#(<= ULTIMATE.start_main_~y~4 90), 87370#(<= ULTIMATE.start_main_~y~4 89), 87373#(<= ULTIMATE.start_main_~y~4 92), 87372#(<= ULTIMATE.start_main_~y~4 91), 87375#(<= ULTIMATE.start_main_~y~4 94), 87374#(<= ULTIMATE.start_main_~y~4 93), 87377#(<= ULTIMATE.start_main_~y~4 96), 87376#(<= ULTIMATE.start_main_~y~4 95), 87379#(<= ULTIMATE.start_main_~y~4 98), 87378#(<= ULTIMATE.start_main_~y~4 97), 87381#(<= ULTIMATE.start_main_~y~4 100), 87380#(<= ULTIMATE.start_main_~y~4 99), 87383#(<= ULTIMATE.start_main_~y~4 102), 87382#(<= ULTIMATE.start_main_~y~4 101), 87385#(<= ULTIMATE.start_main_~y~4 104), 87384#(<= ULTIMATE.start_main_~y~4 103), 87387#(<= ULTIMATE.start_main_~y~4 106), 87386#(<= ULTIMATE.start_main_~y~4 105), 87389#(<= ULTIMATE.start_main_~y~4 108), 87388#(<= ULTIMATE.start_main_~y~4 107), 87391#(<= ULTIMATE.start_main_~y~4 110), 87390#(<= ULTIMATE.start_main_~y~4 109), 87393#(<= ULTIMATE.start_main_~y~4 112), 87392#(<= ULTIMATE.start_main_~y~4 111), 87395#(<= ULTIMATE.start_main_~y~4 114), 87394#(<= ULTIMATE.start_main_~y~4 113), 87397#(<= ULTIMATE.start_main_~y~4 116), 87396#(<= ULTIMATE.start_main_~y~4 115), 87399#(<= ULTIMATE.start_main_~y~4 118), 87398#(<= ULTIMATE.start_main_~y~4 117), 87401#(<= ULTIMATE.start_main_~y~4 120), 87400#(<= ULTIMATE.start_main_~y~4 119), 87403#(<= ULTIMATE.start_main_~y~4 122), 87402#(<= ULTIMATE.start_main_~y~4 121), 87405#(<= ULTIMATE.start_main_~y~4 124), 87404#(<= ULTIMATE.start_main_~y~4 123), 87407#(<= ULTIMATE.start_main_~y~4 126), 87406#(<= ULTIMATE.start_main_~y~4 125), 87409#(<= ULTIMATE.start_main_~y~4 128), 87408#(<= ULTIMATE.start_main_~y~4 127), 87411#(<= ULTIMATE.start_main_~y~4 130), 87410#(<= ULTIMATE.start_main_~y~4 129), 87413#(<= ULTIMATE.start_main_~y~4 132), 87412#(<= ULTIMATE.start_main_~y~4 131), 87415#(<= ULTIMATE.start_main_~y~4 134), 87414#(<= ULTIMATE.start_main_~y~4 133), 87417#(<= ULTIMATE.start_main_~y~4 136), 87416#(<= ULTIMATE.start_main_~y~4 135), 87419#(<= ULTIMATE.start_main_~y~4 138), 87418#(<= ULTIMATE.start_main_~y~4 137), 87421#(<= ULTIMATE.start_main_~y~4 140), 87420#(<= ULTIMATE.start_main_~y~4 139), 87423#(<= ULTIMATE.start_main_~y~4 142), 87422#(<= ULTIMATE.start_main_~y~4 141), 87425#(<= ULTIMATE.start_main_~y~4 144), 87424#(<= ULTIMATE.start_main_~y~4 143), 87427#(<= ULTIMATE.start_main_~y~4 146), 87426#(<= ULTIMATE.start_main_~y~4 145), 87429#(<= ULTIMATE.start_main_~y~4 148), 87428#(<= ULTIMATE.start_main_~y~4 147), 87431#(<= ULTIMATE.start_main_~y~4 150), 87430#(<= ULTIMATE.start_main_~y~4 149), 87433#(<= ULTIMATE.start_main_~y~4 152), 87432#(<= ULTIMATE.start_main_~y~4 151), 87435#(<= ULTIMATE.start_main_~y~4 154), 87434#(<= ULTIMATE.start_main_~y~4 153), 87437#(<= ULTIMATE.start_main_~y~4 156), 87436#(<= ULTIMATE.start_main_~y~4 155), 87439#(<= ULTIMATE.start_main_~y~4 158), 87438#(<= ULTIMATE.start_main_~y~4 157), 87441#(<= ULTIMATE.start_main_~y~4 160), 87440#(<= ULTIMATE.start_main_~y~4 159), 87443#(<= ULTIMATE.start_main_~y~4 162), 87442#(<= ULTIMATE.start_main_~y~4 161), 87445#(<= ULTIMATE.start_main_~y~4 164), 87444#(<= ULTIMATE.start_main_~y~4 163), 87447#(<= ULTIMATE.start_main_~y~4 166), 87446#(<= ULTIMATE.start_main_~y~4 165), 87449#(<= ULTIMATE.start_main_~y~4 168), 87448#(<= ULTIMATE.start_main_~y~4 167), 87451#(<= ULTIMATE.start_main_~y~4 170), 87450#(<= ULTIMATE.start_main_~y~4 169), 87453#(<= ULTIMATE.start_main_~y~4 172), 87452#(<= ULTIMATE.start_main_~y~4 171), 87455#(<= ULTIMATE.start_main_~y~4 174), 87454#(<= ULTIMATE.start_main_~y~4 173), 87457#(<= ULTIMATE.start_main_~y~4 176), 87456#(<= ULTIMATE.start_main_~y~4 175), 87459#(<= ULTIMATE.start_main_~y~4 178), 87458#(<= ULTIMATE.start_main_~y~4 177), 87461#(<= ULTIMATE.start_main_~y~4 180), 87460#(<= ULTIMATE.start_main_~y~4 179), 87463#(<= ULTIMATE.start_main_~y~4 182), 87462#(<= ULTIMATE.start_main_~y~4 181), 87279#true, 87281#(<= ULTIMATE.start_main_~y~4 0), 87280#false, 87283#(<= ULTIMATE.start_main_~y~4 2), 87282#(<= ULTIMATE.start_main_~y~4 1), 87285#(<= ULTIMATE.start_main_~y~4 4), 87284#(<= ULTIMATE.start_main_~y~4 3), 87287#(<= ULTIMATE.start_main_~y~4 6), 87286#(<= ULTIMATE.start_main_~y~4 5), 87289#(<= ULTIMATE.start_main_~y~4 8), 87288#(<= ULTIMATE.start_main_~y~4 7), 87291#(<= ULTIMATE.start_main_~y~4 10), 87290#(<= ULTIMATE.start_main_~y~4 9), 87293#(<= ULTIMATE.start_main_~y~4 12), 87292#(<= ULTIMATE.start_main_~y~4 11), 87295#(<= ULTIMATE.start_main_~y~4 14), 87294#(<= ULTIMATE.start_main_~y~4 13)] [2018-07-23 13:38:56,028 INFO L134 CoverageAnalysis]: Checked inductivity of 16653 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:56,028 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:38:56,031 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:38:56,032 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:38:56,032 INFO L87 Difference]: Start difference. First operand 186 states and 186 transitions. Second operand 185 states. [2018-07-23 13:38:56,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:56,949 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:38:56,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:38:56,950 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 185 [2018-07-23 13:38:56,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:56,950 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:38:56,950 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:38:56,952 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:38:56,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:38:56,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:38:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:38:56,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:38:56,954 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 185 [2018-07-23 13:38:56,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:56,955 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:38:56,955 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:38:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:38:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:38:56,955 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:56,955 INFO L357 BasicCegarLoop]: trace histogram [183, 1, 1, 1] [2018-07-23 13:38:56,955 INFO L414 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:56,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1223873524, now seen corresponding path program 183 times [2018-07-23 13:38:56,956 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 16836 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:57,782 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:57,782 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:38:57,782 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:57,782 INFO L185 omatonBuilderFactory]: Interpolants [88321#(<= ULTIMATE.start_main_~y~4 103), 88320#(<= ULTIMATE.start_main_~y~4 102), 88323#(<= ULTIMATE.start_main_~y~4 105), 88322#(<= ULTIMATE.start_main_~y~4 104), 88325#(<= ULTIMATE.start_main_~y~4 107), 88324#(<= ULTIMATE.start_main_~y~4 106), 88327#(<= ULTIMATE.start_main_~y~4 109), 88326#(<= ULTIMATE.start_main_~y~4 108), 88329#(<= ULTIMATE.start_main_~y~4 111), 88328#(<= ULTIMATE.start_main_~y~4 110), 88331#(<= ULTIMATE.start_main_~y~4 113), 88330#(<= ULTIMATE.start_main_~y~4 112), 88333#(<= ULTIMATE.start_main_~y~4 115), 88332#(<= ULTIMATE.start_main_~y~4 114), 88335#(<= ULTIMATE.start_main_~y~4 117), 88334#(<= ULTIMATE.start_main_~y~4 116), 88337#(<= ULTIMATE.start_main_~y~4 119), 88336#(<= ULTIMATE.start_main_~y~4 118), 88339#(<= ULTIMATE.start_main_~y~4 121), 88338#(<= ULTIMATE.start_main_~y~4 120), 88341#(<= ULTIMATE.start_main_~y~4 123), 88340#(<= ULTIMATE.start_main_~y~4 122), 88343#(<= ULTIMATE.start_main_~y~4 125), 88342#(<= ULTIMATE.start_main_~y~4 124), 88345#(<= ULTIMATE.start_main_~y~4 127), 88344#(<= ULTIMATE.start_main_~y~4 126), 88347#(<= ULTIMATE.start_main_~y~4 129), 88346#(<= ULTIMATE.start_main_~y~4 128), 88349#(<= ULTIMATE.start_main_~y~4 131), 88348#(<= ULTIMATE.start_main_~y~4 130), 88351#(<= ULTIMATE.start_main_~y~4 133), 88350#(<= ULTIMATE.start_main_~y~4 132), 88353#(<= ULTIMATE.start_main_~y~4 135), 88352#(<= ULTIMATE.start_main_~y~4 134), 88355#(<= ULTIMATE.start_main_~y~4 137), 88354#(<= ULTIMATE.start_main_~y~4 136), 88357#(<= ULTIMATE.start_main_~y~4 139), 88356#(<= ULTIMATE.start_main_~y~4 138), 88359#(<= ULTIMATE.start_main_~y~4 141), 88358#(<= ULTIMATE.start_main_~y~4 140), 88361#(<= ULTIMATE.start_main_~y~4 143), 88360#(<= ULTIMATE.start_main_~y~4 142), 88363#(<= ULTIMATE.start_main_~y~4 145), 88362#(<= ULTIMATE.start_main_~y~4 144), 88365#(<= ULTIMATE.start_main_~y~4 147), 88364#(<= ULTIMATE.start_main_~y~4 146), 88367#(<= ULTIMATE.start_main_~y~4 149), 88366#(<= ULTIMATE.start_main_~y~4 148), 88369#(<= ULTIMATE.start_main_~y~4 151), 88368#(<= ULTIMATE.start_main_~y~4 150), 88371#(<= ULTIMATE.start_main_~y~4 153), 88370#(<= ULTIMATE.start_main_~y~4 152), 88373#(<= ULTIMATE.start_main_~y~4 155), 88372#(<= ULTIMATE.start_main_~y~4 154), 88375#(<= ULTIMATE.start_main_~y~4 157), 88374#(<= ULTIMATE.start_main_~y~4 156), 88377#(<= ULTIMATE.start_main_~y~4 159), 88376#(<= ULTIMATE.start_main_~y~4 158), 88379#(<= ULTIMATE.start_main_~y~4 161), 88378#(<= ULTIMATE.start_main_~y~4 160), 88381#(<= ULTIMATE.start_main_~y~4 163), 88380#(<= ULTIMATE.start_main_~y~4 162), 88383#(<= ULTIMATE.start_main_~y~4 165), 88382#(<= ULTIMATE.start_main_~y~4 164), 88385#(<= ULTIMATE.start_main_~y~4 167), 88384#(<= ULTIMATE.start_main_~y~4 166), 88387#(<= ULTIMATE.start_main_~y~4 169), 88386#(<= ULTIMATE.start_main_~y~4 168), 88389#(<= ULTIMATE.start_main_~y~4 171), 88388#(<= ULTIMATE.start_main_~y~4 170), 88391#(<= ULTIMATE.start_main_~y~4 173), 88390#(<= ULTIMATE.start_main_~y~4 172), 88393#(<= ULTIMATE.start_main_~y~4 175), 88392#(<= ULTIMATE.start_main_~y~4 174), 88395#(<= ULTIMATE.start_main_~y~4 177), 88394#(<= ULTIMATE.start_main_~y~4 176), 88397#(<= ULTIMATE.start_main_~y~4 179), 88396#(<= ULTIMATE.start_main_~y~4 178), 88399#(<= ULTIMATE.start_main_~y~4 181), 88398#(<= ULTIMATE.start_main_~y~4 180), 88401#(<= ULTIMATE.start_main_~y~4 183), 88400#(<= ULTIMATE.start_main_~y~4 182), 88217#false, 88216#true, 88219#(<= ULTIMATE.start_main_~y~4 1), 88218#(<= ULTIMATE.start_main_~y~4 0), 88221#(<= ULTIMATE.start_main_~y~4 3), 88220#(<= ULTIMATE.start_main_~y~4 2), 88223#(<= ULTIMATE.start_main_~y~4 5), 88222#(<= ULTIMATE.start_main_~y~4 4), 88225#(<= ULTIMATE.start_main_~y~4 7), 88224#(<= ULTIMATE.start_main_~y~4 6), 88227#(<= ULTIMATE.start_main_~y~4 9), 88226#(<= ULTIMATE.start_main_~y~4 8), 88229#(<= ULTIMATE.start_main_~y~4 11), 88228#(<= ULTIMATE.start_main_~y~4 10), 88231#(<= ULTIMATE.start_main_~y~4 13), 88230#(<= ULTIMATE.start_main_~y~4 12), 88233#(<= ULTIMATE.start_main_~y~4 15), 88232#(<= ULTIMATE.start_main_~y~4 14), 88235#(<= ULTIMATE.start_main_~y~4 17), 88234#(<= ULTIMATE.start_main_~y~4 16), 88237#(<= ULTIMATE.start_main_~y~4 19), 88236#(<= ULTIMATE.start_main_~y~4 18), 88239#(<= ULTIMATE.start_main_~y~4 21), 88238#(<= ULTIMATE.start_main_~y~4 20), 88241#(<= ULTIMATE.start_main_~y~4 23), 88240#(<= ULTIMATE.start_main_~y~4 22), 88243#(<= ULTIMATE.start_main_~y~4 25), 88242#(<= ULTIMATE.start_main_~y~4 24), 88245#(<= ULTIMATE.start_main_~y~4 27), 88244#(<= ULTIMATE.start_main_~y~4 26), 88247#(<= ULTIMATE.start_main_~y~4 29), 88246#(<= ULTIMATE.start_main_~y~4 28), 88249#(<= ULTIMATE.start_main_~y~4 31), 88248#(<= ULTIMATE.start_main_~y~4 30), 88251#(<= ULTIMATE.start_main_~y~4 33), 88250#(<= ULTIMATE.start_main_~y~4 32), 88253#(<= ULTIMATE.start_main_~y~4 35), 88252#(<= ULTIMATE.start_main_~y~4 34), 88255#(<= ULTIMATE.start_main_~y~4 37), 88254#(<= ULTIMATE.start_main_~y~4 36), 88257#(<= ULTIMATE.start_main_~y~4 39), 88256#(<= ULTIMATE.start_main_~y~4 38), 88259#(<= ULTIMATE.start_main_~y~4 41), 88258#(<= ULTIMATE.start_main_~y~4 40), 88261#(<= ULTIMATE.start_main_~y~4 43), 88260#(<= ULTIMATE.start_main_~y~4 42), 88263#(<= ULTIMATE.start_main_~y~4 45), 88262#(<= ULTIMATE.start_main_~y~4 44), 88265#(<= ULTIMATE.start_main_~y~4 47), 88264#(<= ULTIMATE.start_main_~y~4 46), 88267#(<= ULTIMATE.start_main_~y~4 49), 88266#(<= ULTIMATE.start_main_~y~4 48), 88269#(<= ULTIMATE.start_main_~y~4 51), 88268#(<= ULTIMATE.start_main_~y~4 50), 88271#(<= ULTIMATE.start_main_~y~4 53), 88270#(<= ULTIMATE.start_main_~y~4 52), 88273#(<= ULTIMATE.start_main_~y~4 55), 88272#(<= ULTIMATE.start_main_~y~4 54), 88275#(<= ULTIMATE.start_main_~y~4 57), 88274#(<= ULTIMATE.start_main_~y~4 56), 88277#(<= ULTIMATE.start_main_~y~4 59), 88276#(<= ULTIMATE.start_main_~y~4 58), 88279#(<= ULTIMATE.start_main_~y~4 61), 88278#(<= ULTIMATE.start_main_~y~4 60), 88281#(<= ULTIMATE.start_main_~y~4 63), 88280#(<= ULTIMATE.start_main_~y~4 62), 88283#(<= ULTIMATE.start_main_~y~4 65), 88282#(<= ULTIMATE.start_main_~y~4 64), 88285#(<= ULTIMATE.start_main_~y~4 67), 88284#(<= ULTIMATE.start_main_~y~4 66), 88287#(<= ULTIMATE.start_main_~y~4 69), 88286#(<= ULTIMATE.start_main_~y~4 68), 88289#(<= ULTIMATE.start_main_~y~4 71), 88288#(<= ULTIMATE.start_main_~y~4 70), 88291#(<= ULTIMATE.start_main_~y~4 73), 88290#(<= ULTIMATE.start_main_~y~4 72), 88293#(<= ULTIMATE.start_main_~y~4 75), 88292#(<= ULTIMATE.start_main_~y~4 74), 88295#(<= ULTIMATE.start_main_~y~4 77), 88294#(<= ULTIMATE.start_main_~y~4 76), 88297#(<= ULTIMATE.start_main_~y~4 79), 88296#(<= ULTIMATE.start_main_~y~4 78), 88299#(<= ULTIMATE.start_main_~y~4 81), 88298#(<= ULTIMATE.start_main_~y~4 80), 88301#(<= ULTIMATE.start_main_~y~4 83), 88300#(<= ULTIMATE.start_main_~y~4 82), 88303#(<= ULTIMATE.start_main_~y~4 85), 88302#(<= ULTIMATE.start_main_~y~4 84), 88305#(<= ULTIMATE.start_main_~y~4 87), 88304#(<= ULTIMATE.start_main_~y~4 86), 88307#(<= ULTIMATE.start_main_~y~4 89), 88306#(<= ULTIMATE.start_main_~y~4 88), 88309#(<= ULTIMATE.start_main_~y~4 91), 88308#(<= ULTIMATE.start_main_~y~4 90), 88311#(<= ULTIMATE.start_main_~y~4 93), 88310#(<= ULTIMATE.start_main_~y~4 92), 88313#(<= ULTIMATE.start_main_~y~4 95), 88312#(<= ULTIMATE.start_main_~y~4 94), 88315#(<= ULTIMATE.start_main_~y~4 97), 88314#(<= ULTIMATE.start_main_~y~4 96), 88317#(<= ULTIMATE.start_main_~y~4 99), 88316#(<= ULTIMATE.start_main_~y~4 98), 88319#(<= ULTIMATE.start_main_~y~4 101), 88318#(<= ULTIMATE.start_main_~y~4 100)] [2018-07-23 13:38:57,783 INFO L134 CoverageAnalysis]: Checked inductivity of 16836 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:57,783 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:38:57,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:38:57,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:38:57,787 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 186 states. [2018-07-23 13:38:58,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:58,055 INFO L93 Difference]: Finished difference Result 190 states and 190 transitions. [2018-07-23 13:38:58,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:38:58,055 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 186 [2018-07-23 13:38:58,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:58,056 INFO L225 Difference]: With dead ends: 190 [2018-07-23 13:38:58,056 INFO L226 Difference]: Without dead ends: 188 [2018-07-23 13:38:58,056 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:38:58,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-07-23 13:38:58,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-07-23 13:38:58,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-07-23 13:38:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2018-07-23 13:38:58,059 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 188 transitions. Word has length 186 [2018-07-23 13:38:58,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:58,059 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 188 transitions. [2018-07-23 13:38:58,059 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:38:58,059 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2018-07-23 13:38:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-07-23 13:38:58,060 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:58,060 INFO L357 BasicCegarLoop]: trace histogram [184, 1, 1, 1] [2018-07-23 13:38:58,060 INFO L414 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:58,060 INFO L82 PathProgramCache]: Analyzing trace with hash 714628227, now seen corresponding path program 184 times [2018-07-23 13:38:58,060 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 17020 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:58,875 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:58,875 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:38:58,875 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:58,876 INFO L185 omatonBuilderFactory]: Interpolants [89344#(<= ULTIMATE.start_main_~y~4 184), 89159#false, 89158#true, 89161#(<= ULTIMATE.start_main_~y~4 1), 89160#(<= ULTIMATE.start_main_~y~4 0), 89163#(<= ULTIMATE.start_main_~y~4 3), 89162#(<= ULTIMATE.start_main_~y~4 2), 89165#(<= ULTIMATE.start_main_~y~4 5), 89164#(<= ULTIMATE.start_main_~y~4 4), 89167#(<= ULTIMATE.start_main_~y~4 7), 89166#(<= ULTIMATE.start_main_~y~4 6), 89169#(<= ULTIMATE.start_main_~y~4 9), 89168#(<= ULTIMATE.start_main_~y~4 8), 89171#(<= ULTIMATE.start_main_~y~4 11), 89170#(<= ULTIMATE.start_main_~y~4 10), 89173#(<= ULTIMATE.start_main_~y~4 13), 89172#(<= ULTIMATE.start_main_~y~4 12), 89175#(<= ULTIMATE.start_main_~y~4 15), 89174#(<= ULTIMATE.start_main_~y~4 14), 89177#(<= ULTIMATE.start_main_~y~4 17), 89176#(<= ULTIMATE.start_main_~y~4 16), 89179#(<= ULTIMATE.start_main_~y~4 19), 89178#(<= ULTIMATE.start_main_~y~4 18), 89181#(<= ULTIMATE.start_main_~y~4 21), 89180#(<= ULTIMATE.start_main_~y~4 20), 89183#(<= ULTIMATE.start_main_~y~4 23), 89182#(<= ULTIMATE.start_main_~y~4 22), 89185#(<= ULTIMATE.start_main_~y~4 25), 89184#(<= ULTIMATE.start_main_~y~4 24), 89187#(<= ULTIMATE.start_main_~y~4 27), 89186#(<= ULTIMATE.start_main_~y~4 26), 89189#(<= ULTIMATE.start_main_~y~4 29), 89188#(<= ULTIMATE.start_main_~y~4 28), 89191#(<= ULTIMATE.start_main_~y~4 31), 89190#(<= ULTIMATE.start_main_~y~4 30), 89193#(<= ULTIMATE.start_main_~y~4 33), 89192#(<= ULTIMATE.start_main_~y~4 32), 89195#(<= ULTIMATE.start_main_~y~4 35), 89194#(<= ULTIMATE.start_main_~y~4 34), 89197#(<= ULTIMATE.start_main_~y~4 37), 89196#(<= ULTIMATE.start_main_~y~4 36), 89199#(<= ULTIMATE.start_main_~y~4 39), 89198#(<= ULTIMATE.start_main_~y~4 38), 89201#(<= ULTIMATE.start_main_~y~4 41), 89200#(<= ULTIMATE.start_main_~y~4 40), 89203#(<= ULTIMATE.start_main_~y~4 43), 89202#(<= ULTIMATE.start_main_~y~4 42), 89205#(<= ULTIMATE.start_main_~y~4 45), 89204#(<= ULTIMATE.start_main_~y~4 44), 89207#(<= ULTIMATE.start_main_~y~4 47), 89206#(<= ULTIMATE.start_main_~y~4 46), 89209#(<= ULTIMATE.start_main_~y~4 49), 89208#(<= ULTIMATE.start_main_~y~4 48), 89211#(<= ULTIMATE.start_main_~y~4 51), 89210#(<= ULTIMATE.start_main_~y~4 50), 89213#(<= ULTIMATE.start_main_~y~4 53), 89212#(<= ULTIMATE.start_main_~y~4 52), 89215#(<= ULTIMATE.start_main_~y~4 55), 89214#(<= ULTIMATE.start_main_~y~4 54), 89217#(<= ULTIMATE.start_main_~y~4 57), 89216#(<= ULTIMATE.start_main_~y~4 56), 89219#(<= ULTIMATE.start_main_~y~4 59), 89218#(<= ULTIMATE.start_main_~y~4 58), 89221#(<= ULTIMATE.start_main_~y~4 61), 89220#(<= ULTIMATE.start_main_~y~4 60), 89223#(<= ULTIMATE.start_main_~y~4 63), 89222#(<= ULTIMATE.start_main_~y~4 62), 89225#(<= ULTIMATE.start_main_~y~4 65), 89224#(<= ULTIMATE.start_main_~y~4 64), 89227#(<= ULTIMATE.start_main_~y~4 67), 89226#(<= ULTIMATE.start_main_~y~4 66), 89229#(<= ULTIMATE.start_main_~y~4 69), 89228#(<= ULTIMATE.start_main_~y~4 68), 89231#(<= ULTIMATE.start_main_~y~4 71), 89230#(<= ULTIMATE.start_main_~y~4 70), 89233#(<= ULTIMATE.start_main_~y~4 73), 89232#(<= ULTIMATE.start_main_~y~4 72), 89235#(<= ULTIMATE.start_main_~y~4 75), 89234#(<= ULTIMATE.start_main_~y~4 74), 89237#(<= ULTIMATE.start_main_~y~4 77), 89236#(<= ULTIMATE.start_main_~y~4 76), 89239#(<= ULTIMATE.start_main_~y~4 79), 89238#(<= ULTIMATE.start_main_~y~4 78), 89241#(<= ULTIMATE.start_main_~y~4 81), 89240#(<= ULTIMATE.start_main_~y~4 80), 89243#(<= ULTIMATE.start_main_~y~4 83), 89242#(<= ULTIMATE.start_main_~y~4 82), 89245#(<= ULTIMATE.start_main_~y~4 85), 89244#(<= ULTIMATE.start_main_~y~4 84), 89247#(<= ULTIMATE.start_main_~y~4 87), 89246#(<= ULTIMATE.start_main_~y~4 86), 89249#(<= ULTIMATE.start_main_~y~4 89), 89248#(<= ULTIMATE.start_main_~y~4 88), 89251#(<= ULTIMATE.start_main_~y~4 91), 89250#(<= ULTIMATE.start_main_~y~4 90), 89253#(<= ULTIMATE.start_main_~y~4 93), 89252#(<= ULTIMATE.start_main_~y~4 92), 89255#(<= ULTIMATE.start_main_~y~4 95), 89254#(<= ULTIMATE.start_main_~y~4 94), 89257#(<= ULTIMATE.start_main_~y~4 97), 89256#(<= ULTIMATE.start_main_~y~4 96), 89259#(<= ULTIMATE.start_main_~y~4 99), 89258#(<= ULTIMATE.start_main_~y~4 98), 89261#(<= ULTIMATE.start_main_~y~4 101), 89260#(<= ULTIMATE.start_main_~y~4 100), 89263#(<= ULTIMATE.start_main_~y~4 103), 89262#(<= ULTIMATE.start_main_~y~4 102), 89265#(<= ULTIMATE.start_main_~y~4 105), 89264#(<= ULTIMATE.start_main_~y~4 104), 89267#(<= ULTIMATE.start_main_~y~4 107), 89266#(<= ULTIMATE.start_main_~y~4 106), 89269#(<= ULTIMATE.start_main_~y~4 109), 89268#(<= ULTIMATE.start_main_~y~4 108), 89271#(<= ULTIMATE.start_main_~y~4 111), 89270#(<= ULTIMATE.start_main_~y~4 110), 89273#(<= ULTIMATE.start_main_~y~4 113), 89272#(<= ULTIMATE.start_main_~y~4 112), 89275#(<= ULTIMATE.start_main_~y~4 115), 89274#(<= ULTIMATE.start_main_~y~4 114), 89277#(<= ULTIMATE.start_main_~y~4 117), 89276#(<= ULTIMATE.start_main_~y~4 116), 89279#(<= ULTIMATE.start_main_~y~4 119), 89278#(<= ULTIMATE.start_main_~y~4 118), 89281#(<= ULTIMATE.start_main_~y~4 121), 89280#(<= ULTIMATE.start_main_~y~4 120), 89283#(<= ULTIMATE.start_main_~y~4 123), 89282#(<= ULTIMATE.start_main_~y~4 122), 89285#(<= ULTIMATE.start_main_~y~4 125), 89284#(<= ULTIMATE.start_main_~y~4 124), 89287#(<= ULTIMATE.start_main_~y~4 127), 89286#(<= ULTIMATE.start_main_~y~4 126), 89289#(<= ULTIMATE.start_main_~y~4 129), 89288#(<= ULTIMATE.start_main_~y~4 128), 89291#(<= ULTIMATE.start_main_~y~4 131), 89290#(<= ULTIMATE.start_main_~y~4 130), 89293#(<= ULTIMATE.start_main_~y~4 133), 89292#(<= ULTIMATE.start_main_~y~4 132), 89295#(<= ULTIMATE.start_main_~y~4 135), 89294#(<= ULTIMATE.start_main_~y~4 134), 89297#(<= ULTIMATE.start_main_~y~4 137), 89296#(<= ULTIMATE.start_main_~y~4 136), 89299#(<= ULTIMATE.start_main_~y~4 139), 89298#(<= ULTIMATE.start_main_~y~4 138), 89301#(<= ULTIMATE.start_main_~y~4 141), 89300#(<= ULTIMATE.start_main_~y~4 140), 89303#(<= ULTIMATE.start_main_~y~4 143), 89302#(<= ULTIMATE.start_main_~y~4 142), 89305#(<= ULTIMATE.start_main_~y~4 145), 89304#(<= ULTIMATE.start_main_~y~4 144), 89307#(<= ULTIMATE.start_main_~y~4 147), 89306#(<= ULTIMATE.start_main_~y~4 146), 89309#(<= ULTIMATE.start_main_~y~4 149), 89308#(<= ULTIMATE.start_main_~y~4 148), 89311#(<= ULTIMATE.start_main_~y~4 151), 89310#(<= ULTIMATE.start_main_~y~4 150), 89313#(<= ULTIMATE.start_main_~y~4 153), 89312#(<= ULTIMATE.start_main_~y~4 152), 89315#(<= ULTIMATE.start_main_~y~4 155), 89314#(<= ULTIMATE.start_main_~y~4 154), 89317#(<= ULTIMATE.start_main_~y~4 157), 89316#(<= ULTIMATE.start_main_~y~4 156), 89319#(<= ULTIMATE.start_main_~y~4 159), 89318#(<= ULTIMATE.start_main_~y~4 158), 89321#(<= ULTIMATE.start_main_~y~4 161), 89320#(<= ULTIMATE.start_main_~y~4 160), 89323#(<= ULTIMATE.start_main_~y~4 163), 89322#(<= ULTIMATE.start_main_~y~4 162), 89325#(<= ULTIMATE.start_main_~y~4 165), 89324#(<= ULTIMATE.start_main_~y~4 164), 89327#(<= ULTIMATE.start_main_~y~4 167), 89326#(<= ULTIMATE.start_main_~y~4 166), 89329#(<= ULTIMATE.start_main_~y~4 169), 89328#(<= ULTIMATE.start_main_~y~4 168), 89331#(<= ULTIMATE.start_main_~y~4 171), 89330#(<= ULTIMATE.start_main_~y~4 170), 89333#(<= ULTIMATE.start_main_~y~4 173), 89332#(<= ULTIMATE.start_main_~y~4 172), 89335#(<= ULTIMATE.start_main_~y~4 175), 89334#(<= ULTIMATE.start_main_~y~4 174), 89337#(<= ULTIMATE.start_main_~y~4 177), 89336#(<= ULTIMATE.start_main_~y~4 176), 89339#(<= ULTIMATE.start_main_~y~4 179), 89338#(<= ULTIMATE.start_main_~y~4 178), 89341#(<= ULTIMATE.start_main_~y~4 181), 89340#(<= ULTIMATE.start_main_~y~4 180), 89343#(<= ULTIMATE.start_main_~y~4 183), 89342#(<= ULTIMATE.start_main_~y~4 182)] [2018-07-23 13:38:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 17020 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:58,877 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:38:58,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:38:58,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:38:58,880 INFO L87 Difference]: Start difference. First operand 188 states and 188 transitions. Second operand 187 states. [2018-07-23 13:38:59,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:59,740 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:38:59,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:38:59,740 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 187 [2018-07-23 13:38:59,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:59,740 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:38:59,740 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:38:59,742 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:38:59,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:38:59,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:38:59,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:38:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:38:59,745 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 187 [2018-07-23 13:38:59,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:59,745 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:38:59,745 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:38:59,745 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:38:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:38:59,746 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:59,746 INFO L357 BasicCegarLoop]: trace histogram [185, 1, 1, 1] [2018-07-23 13:38:59,746 INFO L414 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:59,746 INFO L82 PathProgramCache]: Analyzing trace with hash 678640364, now seen corresponding path program 185 times [2018-07-23 13:38:59,746 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:00,586 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:00,586 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:39:00,587 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:00,587 INFO L185 omatonBuilderFactory]: Interpolants [90113#(<= ULTIMATE.start_main_~y~4 6), 90112#(<= ULTIMATE.start_main_~y~4 5), 90115#(<= ULTIMATE.start_main_~y~4 8), 90114#(<= ULTIMATE.start_main_~y~4 7), 90117#(<= ULTIMATE.start_main_~y~4 10), 90116#(<= ULTIMATE.start_main_~y~4 9), 90119#(<= ULTIMATE.start_main_~y~4 12), 90118#(<= ULTIMATE.start_main_~y~4 11), 90121#(<= ULTIMATE.start_main_~y~4 14), 90120#(<= ULTIMATE.start_main_~y~4 13), 90123#(<= ULTIMATE.start_main_~y~4 16), 90122#(<= ULTIMATE.start_main_~y~4 15), 90125#(<= ULTIMATE.start_main_~y~4 18), 90124#(<= ULTIMATE.start_main_~y~4 17), 90127#(<= ULTIMATE.start_main_~y~4 20), 90126#(<= ULTIMATE.start_main_~y~4 19), 90129#(<= ULTIMATE.start_main_~y~4 22), 90128#(<= ULTIMATE.start_main_~y~4 21), 90131#(<= ULTIMATE.start_main_~y~4 24), 90130#(<= ULTIMATE.start_main_~y~4 23), 90133#(<= ULTIMATE.start_main_~y~4 26), 90132#(<= ULTIMATE.start_main_~y~4 25), 90135#(<= ULTIMATE.start_main_~y~4 28), 90134#(<= ULTIMATE.start_main_~y~4 27), 90137#(<= ULTIMATE.start_main_~y~4 30), 90136#(<= ULTIMATE.start_main_~y~4 29), 90139#(<= ULTIMATE.start_main_~y~4 32), 90138#(<= ULTIMATE.start_main_~y~4 31), 90141#(<= ULTIMATE.start_main_~y~4 34), 90140#(<= ULTIMATE.start_main_~y~4 33), 90143#(<= ULTIMATE.start_main_~y~4 36), 90142#(<= ULTIMATE.start_main_~y~4 35), 90145#(<= ULTIMATE.start_main_~y~4 38), 90144#(<= ULTIMATE.start_main_~y~4 37), 90147#(<= ULTIMATE.start_main_~y~4 40), 90146#(<= ULTIMATE.start_main_~y~4 39), 90149#(<= ULTIMATE.start_main_~y~4 42), 90148#(<= ULTIMATE.start_main_~y~4 41), 90151#(<= ULTIMATE.start_main_~y~4 44), 90150#(<= ULTIMATE.start_main_~y~4 43), 90153#(<= ULTIMATE.start_main_~y~4 46), 90152#(<= ULTIMATE.start_main_~y~4 45), 90155#(<= ULTIMATE.start_main_~y~4 48), 90154#(<= ULTIMATE.start_main_~y~4 47), 90157#(<= ULTIMATE.start_main_~y~4 50), 90156#(<= ULTIMATE.start_main_~y~4 49), 90159#(<= ULTIMATE.start_main_~y~4 52), 90158#(<= ULTIMATE.start_main_~y~4 51), 90161#(<= ULTIMATE.start_main_~y~4 54), 90160#(<= ULTIMATE.start_main_~y~4 53), 90163#(<= ULTIMATE.start_main_~y~4 56), 90162#(<= ULTIMATE.start_main_~y~4 55), 90165#(<= ULTIMATE.start_main_~y~4 58), 90164#(<= ULTIMATE.start_main_~y~4 57), 90167#(<= ULTIMATE.start_main_~y~4 60), 90166#(<= ULTIMATE.start_main_~y~4 59), 90169#(<= ULTIMATE.start_main_~y~4 62), 90168#(<= ULTIMATE.start_main_~y~4 61), 90171#(<= ULTIMATE.start_main_~y~4 64), 90170#(<= ULTIMATE.start_main_~y~4 63), 90173#(<= ULTIMATE.start_main_~y~4 66), 90172#(<= ULTIMATE.start_main_~y~4 65), 90175#(<= ULTIMATE.start_main_~y~4 68), 90174#(<= ULTIMATE.start_main_~y~4 67), 90177#(<= ULTIMATE.start_main_~y~4 70), 90176#(<= ULTIMATE.start_main_~y~4 69), 90179#(<= ULTIMATE.start_main_~y~4 72), 90178#(<= ULTIMATE.start_main_~y~4 71), 90181#(<= ULTIMATE.start_main_~y~4 74), 90180#(<= ULTIMATE.start_main_~y~4 73), 90183#(<= ULTIMATE.start_main_~y~4 76), 90182#(<= ULTIMATE.start_main_~y~4 75), 90185#(<= ULTIMATE.start_main_~y~4 78), 90184#(<= ULTIMATE.start_main_~y~4 77), 90187#(<= ULTIMATE.start_main_~y~4 80), 90186#(<= ULTIMATE.start_main_~y~4 79), 90189#(<= ULTIMATE.start_main_~y~4 82), 90188#(<= ULTIMATE.start_main_~y~4 81), 90191#(<= ULTIMATE.start_main_~y~4 84), 90190#(<= ULTIMATE.start_main_~y~4 83), 90193#(<= ULTIMATE.start_main_~y~4 86), 90192#(<= ULTIMATE.start_main_~y~4 85), 90195#(<= ULTIMATE.start_main_~y~4 88), 90194#(<= ULTIMATE.start_main_~y~4 87), 90197#(<= ULTIMATE.start_main_~y~4 90), 90196#(<= ULTIMATE.start_main_~y~4 89), 90199#(<= ULTIMATE.start_main_~y~4 92), 90198#(<= ULTIMATE.start_main_~y~4 91), 90201#(<= ULTIMATE.start_main_~y~4 94), 90200#(<= ULTIMATE.start_main_~y~4 93), 90203#(<= ULTIMATE.start_main_~y~4 96), 90202#(<= ULTIMATE.start_main_~y~4 95), 90205#(<= ULTIMATE.start_main_~y~4 98), 90204#(<= ULTIMATE.start_main_~y~4 97), 90207#(<= ULTIMATE.start_main_~y~4 100), 90206#(<= ULTIMATE.start_main_~y~4 99), 90209#(<= ULTIMATE.start_main_~y~4 102), 90208#(<= ULTIMATE.start_main_~y~4 101), 90211#(<= ULTIMATE.start_main_~y~4 104), 90210#(<= ULTIMATE.start_main_~y~4 103), 90213#(<= ULTIMATE.start_main_~y~4 106), 90212#(<= ULTIMATE.start_main_~y~4 105), 90215#(<= ULTIMATE.start_main_~y~4 108), 90214#(<= ULTIMATE.start_main_~y~4 107), 90217#(<= ULTIMATE.start_main_~y~4 110), 90216#(<= ULTIMATE.start_main_~y~4 109), 90219#(<= ULTIMATE.start_main_~y~4 112), 90218#(<= ULTIMATE.start_main_~y~4 111), 90221#(<= ULTIMATE.start_main_~y~4 114), 90220#(<= ULTIMATE.start_main_~y~4 113), 90223#(<= ULTIMATE.start_main_~y~4 116), 90222#(<= ULTIMATE.start_main_~y~4 115), 90225#(<= ULTIMATE.start_main_~y~4 118), 90224#(<= ULTIMATE.start_main_~y~4 117), 90227#(<= ULTIMATE.start_main_~y~4 120), 90226#(<= ULTIMATE.start_main_~y~4 119), 90229#(<= ULTIMATE.start_main_~y~4 122), 90228#(<= ULTIMATE.start_main_~y~4 121), 90231#(<= ULTIMATE.start_main_~y~4 124), 90230#(<= ULTIMATE.start_main_~y~4 123), 90233#(<= ULTIMATE.start_main_~y~4 126), 90232#(<= ULTIMATE.start_main_~y~4 125), 90235#(<= ULTIMATE.start_main_~y~4 128), 90234#(<= ULTIMATE.start_main_~y~4 127), 90237#(<= ULTIMATE.start_main_~y~4 130), 90236#(<= ULTIMATE.start_main_~y~4 129), 90239#(<= ULTIMATE.start_main_~y~4 132), 90238#(<= ULTIMATE.start_main_~y~4 131), 90241#(<= ULTIMATE.start_main_~y~4 134), 90240#(<= ULTIMATE.start_main_~y~4 133), 90243#(<= ULTIMATE.start_main_~y~4 136), 90242#(<= ULTIMATE.start_main_~y~4 135), 90245#(<= ULTIMATE.start_main_~y~4 138), 90244#(<= ULTIMATE.start_main_~y~4 137), 90247#(<= ULTIMATE.start_main_~y~4 140), 90246#(<= ULTIMATE.start_main_~y~4 139), 90249#(<= ULTIMATE.start_main_~y~4 142), 90248#(<= ULTIMATE.start_main_~y~4 141), 90251#(<= ULTIMATE.start_main_~y~4 144), 90250#(<= ULTIMATE.start_main_~y~4 143), 90253#(<= ULTIMATE.start_main_~y~4 146), 90252#(<= ULTIMATE.start_main_~y~4 145), 90255#(<= ULTIMATE.start_main_~y~4 148), 90254#(<= ULTIMATE.start_main_~y~4 147), 90257#(<= ULTIMATE.start_main_~y~4 150), 90256#(<= ULTIMATE.start_main_~y~4 149), 90259#(<= ULTIMATE.start_main_~y~4 152), 90258#(<= ULTIMATE.start_main_~y~4 151), 90261#(<= ULTIMATE.start_main_~y~4 154), 90260#(<= ULTIMATE.start_main_~y~4 153), 90263#(<= ULTIMATE.start_main_~y~4 156), 90262#(<= ULTIMATE.start_main_~y~4 155), 90265#(<= ULTIMATE.start_main_~y~4 158), 90264#(<= ULTIMATE.start_main_~y~4 157), 90267#(<= ULTIMATE.start_main_~y~4 160), 90266#(<= ULTIMATE.start_main_~y~4 159), 90269#(<= ULTIMATE.start_main_~y~4 162), 90268#(<= ULTIMATE.start_main_~y~4 161), 90271#(<= ULTIMATE.start_main_~y~4 164), 90270#(<= ULTIMATE.start_main_~y~4 163), 90273#(<= ULTIMATE.start_main_~y~4 166), 90272#(<= ULTIMATE.start_main_~y~4 165), 90275#(<= ULTIMATE.start_main_~y~4 168), 90274#(<= ULTIMATE.start_main_~y~4 167), 90277#(<= ULTIMATE.start_main_~y~4 170), 90276#(<= ULTIMATE.start_main_~y~4 169), 90279#(<= ULTIMATE.start_main_~y~4 172), 90278#(<= ULTIMATE.start_main_~y~4 171), 90281#(<= ULTIMATE.start_main_~y~4 174), 90280#(<= ULTIMATE.start_main_~y~4 173), 90283#(<= ULTIMATE.start_main_~y~4 176), 90282#(<= ULTIMATE.start_main_~y~4 175), 90285#(<= ULTIMATE.start_main_~y~4 178), 90284#(<= ULTIMATE.start_main_~y~4 177), 90287#(<= ULTIMATE.start_main_~y~4 180), 90286#(<= ULTIMATE.start_main_~y~4 179), 90289#(<= ULTIMATE.start_main_~y~4 182), 90288#(<= ULTIMATE.start_main_~y~4 181), 90291#(<= ULTIMATE.start_main_~y~4 184), 90290#(<= ULTIMATE.start_main_~y~4 183), 90292#(<= ULTIMATE.start_main_~y~4 185), 90105#true, 90107#(<= ULTIMATE.start_main_~y~4 0), 90106#false, 90109#(<= ULTIMATE.start_main_~y~4 2), 90108#(<= ULTIMATE.start_main_~y~4 1), 90111#(<= ULTIMATE.start_main_~y~4 4), 90110#(<= ULTIMATE.start_main_~y~4 3)] [2018-07-23 13:39:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:00,588 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:39:00,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:39:00,592 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:39:00,592 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 188 states. [2018-07-23 13:39:01,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:01,559 INFO L93 Difference]: Finished difference Result 192 states and 192 transitions. [2018-07-23 13:39:01,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:39:01,560 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 188 [2018-07-23 13:39:01,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:01,560 INFO L225 Difference]: With dead ends: 192 [2018-07-23 13:39:01,560 INFO L226 Difference]: Without dead ends: 190 [2018-07-23 13:39:01,562 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:39:01,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-07-23 13:39:01,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-07-23 13:39:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-07-23 13:39:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 190 transitions. [2018-07-23 13:39:01,564 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 190 transitions. Word has length 188 [2018-07-23 13:39:01,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:01,564 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 190 transitions. [2018-07-23 13:39:01,564 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:39:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 190 transitions. [2018-07-23 13:39:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-07-23 13:39:01,564 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:01,565 INFO L357 BasicCegarLoop]: trace histogram [186, 1, 1, 1] [2018-07-23 13:39:01,565 INFO L414 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:01,565 INFO L82 PathProgramCache]: Analyzing trace with hash -436983389, now seen corresponding path program 186 times [2018-07-23 13:39:01,565 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 17391 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:02,431 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:02,431 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:39:02,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:02,432 INFO L185 omatonBuilderFactory]: Interpolants [91137#(<= ULTIMATE.start_main_~y~4 78), 91136#(<= ULTIMATE.start_main_~y~4 77), 91139#(<= ULTIMATE.start_main_~y~4 80), 91138#(<= ULTIMATE.start_main_~y~4 79), 91141#(<= ULTIMATE.start_main_~y~4 82), 91140#(<= ULTIMATE.start_main_~y~4 81), 91143#(<= ULTIMATE.start_main_~y~4 84), 91142#(<= ULTIMATE.start_main_~y~4 83), 91145#(<= ULTIMATE.start_main_~y~4 86), 91144#(<= ULTIMATE.start_main_~y~4 85), 91147#(<= ULTIMATE.start_main_~y~4 88), 91146#(<= ULTIMATE.start_main_~y~4 87), 91149#(<= ULTIMATE.start_main_~y~4 90), 91148#(<= ULTIMATE.start_main_~y~4 89), 91151#(<= ULTIMATE.start_main_~y~4 92), 91150#(<= ULTIMATE.start_main_~y~4 91), 91153#(<= ULTIMATE.start_main_~y~4 94), 91152#(<= ULTIMATE.start_main_~y~4 93), 91155#(<= ULTIMATE.start_main_~y~4 96), 91154#(<= ULTIMATE.start_main_~y~4 95), 91157#(<= ULTIMATE.start_main_~y~4 98), 91156#(<= ULTIMATE.start_main_~y~4 97), 91159#(<= ULTIMATE.start_main_~y~4 100), 91158#(<= ULTIMATE.start_main_~y~4 99), 91161#(<= ULTIMATE.start_main_~y~4 102), 91160#(<= ULTIMATE.start_main_~y~4 101), 91163#(<= ULTIMATE.start_main_~y~4 104), 91162#(<= ULTIMATE.start_main_~y~4 103), 91165#(<= ULTIMATE.start_main_~y~4 106), 91164#(<= ULTIMATE.start_main_~y~4 105), 91167#(<= ULTIMATE.start_main_~y~4 108), 91166#(<= ULTIMATE.start_main_~y~4 107), 91169#(<= ULTIMATE.start_main_~y~4 110), 91168#(<= ULTIMATE.start_main_~y~4 109), 91171#(<= ULTIMATE.start_main_~y~4 112), 91170#(<= ULTIMATE.start_main_~y~4 111), 91173#(<= ULTIMATE.start_main_~y~4 114), 91172#(<= ULTIMATE.start_main_~y~4 113), 91175#(<= ULTIMATE.start_main_~y~4 116), 91174#(<= ULTIMATE.start_main_~y~4 115), 91177#(<= ULTIMATE.start_main_~y~4 118), 91176#(<= ULTIMATE.start_main_~y~4 117), 91179#(<= ULTIMATE.start_main_~y~4 120), 91178#(<= ULTIMATE.start_main_~y~4 119), 91181#(<= ULTIMATE.start_main_~y~4 122), 91180#(<= ULTIMATE.start_main_~y~4 121), 91183#(<= ULTIMATE.start_main_~y~4 124), 91182#(<= ULTIMATE.start_main_~y~4 123), 91185#(<= ULTIMATE.start_main_~y~4 126), 91184#(<= ULTIMATE.start_main_~y~4 125), 91187#(<= ULTIMATE.start_main_~y~4 128), 91186#(<= ULTIMATE.start_main_~y~4 127), 91189#(<= ULTIMATE.start_main_~y~4 130), 91188#(<= ULTIMATE.start_main_~y~4 129), 91191#(<= ULTIMATE.start_main_~y~4 132), 91190#(<= ULTIMATE.start_main_~y~4 131), 91193#(<= ULTIMATE.start_main_~y~4 134), 91192#(<= ULTIMATE.start_main_~y~4 133), 91195#(<= ULTIMATE.start_main_~y~4 136), 91194#(<= ULTIMATE.start_main_~y~4 135), 91197#(<= ULTIMATE.start_main_~y~4 138), 91196#(<= ULTIMATE.start_main_~y~4 137), 91199#(<= ULTIMATE.start_main_~y~4 140), 91198#(<= ULTIMATE.start_main_~y~4 139), 91201#(<= ULTIMATE.start_main_~y~4 142), 91200#(<= ULTIMATE.start_main_~y~4 141), 91203#(<= ULTIMATE.start_main_~y~4 144), 91202#(<= ULTIMATE.start_main_~y~4 143), 91205#(<= ULTIMATE.start_main_~y~4 146), 91204#(<= ULTIMATE.start_main_~y~4 145), 91207#(<= ULTIMATE.start_main_~y~4 148), 91206#(<= ULTIMATE.start_main_~y~4 147), 91209#(<= ULTIMATE.start_main_~y~4 150), 91208#(<= ULTIMATE.start_main_~y~4 149), 91211#(<= ULTIMATE.start_main_~y~4 152), 91210#(<= ULTIMATE.start_main_~y~4 151), 91213#(<= ULTIMATE.start_main_~y~4 154), 91212#(<= ULTIMATE.start_main_~y~4 153), 91215#(<= ULTIMATE.start_main_~y~4 156), 91214#(<= ULTIMATE.start_main_~y~4 155), 91217#(<= ULTIMATE.start_main_~y~4 158), 91216#(<= ULTIMATE.start_main_~y~4 157), 91219#(<= ULTIMATE.start_main_~y~4 160), 91218#(<= ULTIMATE.start_main_~y~4 159), 91221#(<= ULTIMATE.start_main_~y~4 162), 91220#(<= ULTIMATE.start_main_~y~4 161), 91223#(<= ULTIMATE.start_main_~y~4 164), 91222#(<= ULTIMATE.start_main_~y~4 163), 91225#(<= ULTIMATE.start_main_~y~4 166), 91224#(<= ULTIMATE.start_main_~y~4 165), 91227#(<= ULTIMATE.start_main_~y~4 168), 91226#(<= ULTIMATE.start_main_~y~4 167), 91229#(<= ULTIMATE.start_main_~y~4 170), 91228#(<= ULTIMATE.start_main_~y~4 169), 91231#(<= ULTIMATE.start_main_~y~4 172), 91230#(<= ULTIMATE.start_main_~y~4 171), 91233#(<= ULTIMATE.start_main_~y~4 174), 91232#(<= ULTIMATE.start_main_~y~4 173), 91235#(<= ULTIMATE.start_main_~y~4 176), 91234#(<= ULTIMATE.start_main_~y~4 175), 91237#(<= ULTIMATE.start_main_~y~4 178), 91236#(<= ULTIMATE.start_main_~y~4 177), 91239#(<= ULTIMATE.start_main_~y~4 180), 91238#(<= ULTIMATE.start_main_~y~4 179), 91241#(<= ULTIMATE.start_main_~y~4 182), 91240#(<= ULTIMATE.start_main_~y~4 181), 91243#(<= ULTIMATE.start_main_~y~4 184), 91242#(<= ULTIMATE.start_main_~y~4 183), 91245#(<= ULTIMATE.start_main_~y~4 186), 91244#(<= ULTIMATE.start_main_~y~4 185), 91057#true, 91059#(<= ULTIMATE.start_main_~y~4 0), 91058#false, 91061#(<= ULTIMATE.start_main_~y~4 2), 91060#(<= ULTIMATE.start_main_~y~4 1), 91063#(<= ULTIMATE.start_main_~y~4 4), 91062#(<= ULTIMATE.start_main_~y~4 3), 91065#(<= ULTIMATE.start_main_~y~4 6), 91064#(<= ULTIMATE.start_main_~y~4 5), 91067#(<= ULTIMATE.start_main_~y~4 8), 91066#(<= ULTIMATE.start_main_~y~4 7), 91069#(<= ULTIMATE.start_main_~y~4 10), 91068#(<= ULTIMATE.start_main_~y~4 9), 91071#(<= ULTIMATE.start_main_~y~4 12), 91070#(<= ULTIMATE.start_main_~y~4 11), 91073#(<= ULTIMATE.start_main_~y~4 14), 91072#(<= ULTIMATE.start_main_~y~4 13), 91075#(<= ULTIMATE.start_main_~y~4 16), 91074#(<= ULTIMATE.start_main_~y~4 15), 91077#(<= ULTIMATE.start_main_~y~4 18), 91076#(<= ULTIMATE.start_main_~y~4 17), 91079#(<= ULTIMATE.start_main_~y~4 20), 91078#(<= ULTIMATE.start_main_~y~4 19), 91081#(<= ULTIMATE.start_main_~y~4 22), 91080#(<= ULTIMATE.start_main_~y~4 21), 91083#(<= ULTIMATE.start_main_~y~4 24), 91082#(<= ULTIMATE.start_main_~y~4 23), 91085#(<= ULTIMATE.start_main_~y~4 26), 91084#(<= ULTIMATE.start_main_~y~4 25), 91087#(<= ULTIMATE.start_main_~y~4 28), 91086#(<= ULTIMATE.start_main_~y~4 27), 91089#(<= ULTIMATE.start_main_~y~4 30), 91088#(<= ULTIMATE.start_main_~y~4 29), 91091#(<= ULTIMATE.start_main_~y~4 32), 91090#(<= ULTIMATE.start_main_~y~4 31), 91093#(<= ULTIMATE.start_main_~y~4 34), 91092#(<= ULTIMATE.start_main_~y~4 33), 91095#(<= ULTIMATE.start_main_~y~4 36), 91094#(<= ULTIMATE.start_main_~y~4 35), 91097#(<= ULTIMATE.start_main_~y~4 38), 91096#(<= ULTIMATE.start_main_~y~4 37), 91099#(<= ULTIMATE.start_main_~y~4 40), 91098#(<= ULTIMATE.start_main_~y~4 39), 91101#(<= ULTIMATE.start_main_~y~4 42), 91100#(<= ULTIMATE.start_main_~y~4 41), 91103#(<= ULTIMATE.start_main_~y~4 44), 91102#(<= ULTIMATE.start_main_~y~4 43), 91105#(<= ULTIMATE.start_main_~y~4 46), 91104#(<= ULTIMATE.start_main_~y~4 45), 91107#(<= ULTIMATE.start_main_~y~4 48), 91106#(<= ULTIMATE.start_main_~y~4 47), 91109#(<= ULTIMATE.start_main_~y~4 50), 91108#(<= ULTIMATE.start_main_~y~4 49), 91111#(<= ULTIMATE.start_main_~y~4 52), 91110#(<= ULTIMATE.start_main_~y~4 51), 91113#(<= ULTIMATE.start_main_~y~4 54), 91112#(<= ULTIMATE.start_main_~y~4 53), 91115#(<= ULTIMATE.start_main_~y~4 56), 91114#(<= ULTIMATE.start_main_~y~4 55), 91117#(<= ULTIMATE.start_main_~y~4 58), 91116#(<= ULTIMATE.start_main_~y~4 57), 91119#(<= ULTIMATE.start_main_~y~4 60), 91118#(<= ULTIMATE.start_main_~y~4 59), 91121#(<= ULTIMATE.start_main_~y~4 62), 91120#(<= ULTIMATE.start_main_~y~4 61), 91123#(<= ULTIMATE.start_main_~y~4 64), 91122#(<= ULTIMATE.start_main_~y~4 63), 91125#(<= ULTIMATE.start_main_~y~4 66), 91124#(<= ULTIMATE.start_main_~y~4 65), 91127#(<= ULTIMATE.start_main_~y~4 68), 91126#(<= ULTIMATE.start_main_~y~4 67), 91129#(<= ULTIMATE.start_main_~y~4 70), 91128#(<= ULTIMATE.start_main_~y~4 69), 91131#(<= ULTIMATE.start_main_~y~4 72), 91130#(<= ULTIMATE.start_main_~y~4 71), 91133#(<= ULTIMATE.start_main_~y~4 74), 91132#(<= ULTIMATE.start_main_~y~4 73), 91135#(<= ULTIMATE.start_main_~y~4 76), 91134#(<= ULTIMATE.start_main_~y~4 75)] [2018-07-23 13:39:02,433 INFO L134 CoverageAnalysis]: Checked inductivity of 17391 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:02,433 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:39:02,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:39:02,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:39:02,437 INFO L87 Difference]: Start difference. First operand 190 states and 190 transitions. Second operand 189 states. [2018-07-23 13:39:02,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:02,809 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:39:02,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:39:02,809 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 189 [2018-07-23 13:39:02,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:02,810 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:39:02,810 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:39:02,812 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:39:02,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:39:02,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:39:02,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:39:02,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:39:02,816 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 189 [2018-07-23 13:39:02,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:02,816 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:39:02,816 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:39:02,816 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:39:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:39:02,817 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:02,817 INFO L357 BasicCegarLoop]: trace histogram [187, 1, 1, 1] [2018-07-23 13:39:02,817 INFO L414 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:02,817 INFO L82 PathProgramCache]: Analyzing trace with hash -661581364, now seen corresponding path program 187 times [2018-07-23 13:39:02,817 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:03,712 INFO L134 CoverageAnalysis]: Checked inductivity of 17578 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:03,713 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:03,713 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:39:03,713 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:03,713 INFO L185 omatonBuilderFactory]: Interpolants [92161#(<= ULTIMATE.start_main_~y~4 145), 92160#(<= ULTIMATE.start_main_~y~4 144), 92163#(<= ULTIMATE.start_main_~y~4 147), 92162#(<= ULTIMATE.start_main_~y~4 146), 92165#(<= ULTIMATE.start_main_~y~4 149), 92164#(<= ULTIMATE.start_main_~y~4 148), 92167#(<= ULTIMATE.start_main_~y~4 151), 92166#(<= ULTIMATE.start_main_~y~4 150), 92169#(<= ULTIMATE.start_main_~y~4 153), 92168#(<= ULTIMATE.start_main_~y~4 152), 92171#(<= ULTIMATE.start_main_~y~4 155), 92170#(<= ULTIMATE.start_main_~y~4 154), 92173#(<= ULTIMATE.start_main_~y~4 157), 92172#(<= ULTIMATE.start_main_~y~4 156), 92175#(<= ULTIMATE.start_main_~y~4 159), 92174#(<= ULTIMATE.start_main_~y~4 158), 92177#(<= ULTIMATE.start_main_~y~4 161), 92176#(<= ULTIMATE.start_main_~y~4 160), 92179#(<= ULTIMATE.start_main_~y~4 163), 92178#(<= ULTIMATE.start_main_~y~4 162), 92181#(<= ULTIMATE.start_main_~y~4 165), 92180#(<= ULTIMATE.start_main_~y~4 164), 92183#(<= ULTIMATE.start_main_~y~4 167), 92182#(<= ULTIMATE.start_main_~y~4 166), 92185#(<= ULTIMATE.start_main_~y~4 169), 92184#(<= ULTIMATE.start_main_~y~4 168), 92187#(<= ULTIMATE.start_main_~y~4 171), 92186#(<= ULTIMATE.start_main_~y~4 170), 92189#(<= ULTIMATE.start_main_~y~4 173), 92188#(<= ULTIMATE.start_main_~y~4 172), 92191#(<= ULTIMATE.start_main_~y~4 175), 92190#(<= ULTIMATE.start_main_~y~4 174), 92193#(<= ULTIMATE.start_main_~y~4 177), 92192#(<= ULTIMATE.start_main_~y~4 176), 92195#(<= ULTIMATE.start_main_~y~4 179), 92194#(<= ULTIMATE.start_main_~y~4 178), 92197#(<= ULTIMATE.start_main_~y~4 181), 92196#(<= ULTIMATE.start_main_~y~4 180), 92199#(<= ULTIMATE.start_main_~y~4 183), 92198#(<= ULTIMATE.start_main_~y~4 182), 92201#(<= ULTIMATE.start_main_~y~4 185), 92200#(<= ULTIMATE.start_main_~y~4 184), 92203#(<= ULTIMATE.start_main_~y~4 187), 92202#(<= ULTIMATE.start_main_~y~4 186), 92015#false, 92014#true, 92017#(<= ULTIMATE.start_main_~y~4 1), 92016#(<= ULTIMATE.start_main_~y~4 0), 92019#(<= ULTIMATE.start_main_~y~4 3), 92018#(<= ULTIMATE.start_main_~y~4 2), 92021#(<= ULTIMATE.start_main_~y~4 5), 92020#(<= ULTIMATE.start_main_~y~4 4), 92023#(<= ULTIMATE.start_main_~y~4 7), 92022#(<= ULTIMATE.start_main_~y~4 6), 92025#(<= ULTIMATE.start_main_~y~4 9), 92024#(<= ULTIMATE.start_main_~y~4 8), 92027#(<= ULTIMATE.start_main_~y~4 11), 92026#(<= ULTIMATE.start_main_~y~4 10), 92029#(<= ULTIMATE.start_main_~y~4 13), 92028#(<= ULTIMATE.start_main_~y~4 12), 92031#(<= ULTIMATE.start_main_~y~4 15), 92030#(<= ULTIMATE.start_main_~y~4 14), 92033#(<= ULTIMATE.start_main_~y~4 17), 92032#(<= ULTIMATE.start_main_~y~4 16), 92035#(<= ULTIMATE.start_main_~y~4 19), 92034#(<= ULTIMATE.start_main_~y~4 18), 92037#(<= ULTIMATE.start_main_~y~4 21), 92036#(<= ULTIMATE.start_main_~y~4 20), 92039#(<= ULTIMATE.start_main_~y~4 23), 92038#(<= ULTIMATE.start_main_~y~4 22), 92041#(<= ULTIMATE.start_main_~y~4 25), 92040#(<= ULTIMATE.start_main_~y~4 24), 92043#(<= ULTIMATE.start_main_~y~4 27), 92042#(<= ULTIMATE.start_main_~y~4 26), 92045#(<= ULTIMATE.start_main_~y~4 29), 92044#(<= ULTIMATE.start_main_~y~4 28), 92047#(<= ULTIMATE.start_main_~y~4 31), 92046#(<= ULTIMATE.start_main_~y~4 30), 92049#(<= ULTIMATE.start_main_~y~4 33), 92048#(<= ULTIMATE.start_main_~y~4 32), 92051#(<= ULTIMATE.start_main_~y~4 35), 92050#(<= ULTIMATE.start_main_~y~4 34), 92053#(<= ULTIMATE.start_main_~y~4 37), 92052#(<= ULTIMATE.start_main_~y~4 36), 92055#(<= ULTIMATE.start_main_~y~4 39), 92054#(<= ULTIMATE.start_main_~y~4 38), 92057#(<= ULTIMATE.start_main_~y~4 41), 92056#(<= ULTIMATE.start_main_~y~4 40), 92059#(<= ULTIMATE.start_main_~y~4 43), 92058#(<= ULTIMATE.start_main_~y~4 42), 92061#(<= ULTIMATE.start_main_~y~4 45), 92060#(<= ULTIMATE.start_main_~y~4 44), 92063#(<= ULTIMATE.start_main_~y~4 47), 92062#(<= ULTIMATE.start_main_~y~4 46), 92065#(<= ULTIMATE.start_main_~y~4 49), 92064#(<= ULTIMATE.start_main_~y~4 48), 92067#(<= ULTIMATE.start_main_~y~4 51), 92066#(<= ULTIMATE.start_main_~y~4 50), 92069#(<= ULTIMATE.start_main_~y~4 53), 92068#(<= ULTIMATE.start_main_~y~4 52), 92071#(<= ULTIMATE.start_main_~y~4 55), 92070#(<= ULTIMATE.start_main_~y~4 54), 92073#(<= ULTIMATE.start_main_~y~4 57), 92072#(<= ULTIMATE.start_main_~y~4 56), 92075#(<= ULTIMATE.start_main_~y~4 59), 92074#(<= ULTIMATE.start_main_~y~4 58), 92077#(<= ULTIMATE.start_main_~y~4 61), 92076#(<= ULTIMATE.start_main_~y~4 60), 92079#(<= ULTIMATE.start_main_~y~4 63), 92078#(<= ULTIMATE.start_main_~y~4 62), 92081#(<= ULTIMATE.start_main_~y~4 65), 92080#(<= ULTIMATE.start_main_~y~4 64), 92083#(<= ULTIMATE.start_main_~y~4 67), 92082#(<= ULTIMATE.start_main_~y~4 66), 92085#(<= ULTIMATE.start_main_~y~4 69), 92084#(<= ULTIMATE.start_main_~y~4 68), 92087#(<= ULTIMATE.start_main_~y~4 71), 92086#(<= ULTIMATE.start_main_~y~4 70), 92089#(<= ULTIMATE.start_main_~y~4 73), 92088#(<= ULTIMATE.start_main_~y~4 72), 92091#(<= ULTIMATE.start_main_~y~4 75), 92090#(<= ULTIMATE.start_main_~y~4 74), 92093#(<= ULTIMATE.start_main_~y~4 77), 92092#(<= ULTIMATE.start_main_~y~4 76), 92095#(<= ULTIMATE.start_main_~y~4 79), 92094#(<= ULTIMATE.start_main_~y~4 78), 92097#(<= ULTIMATE.start_main_~y~4 81), 92096#(<= ULTIMATE.start_main_~y~4 80), 92099#(<= ULTIMATE.start_main_~y~4 83), 92098#(<= ULTIMATE.start_main_~y~4 82), 92101#(<= ULTIMATE.start_main_~y~4 85), 92100#(<= ULTIMATE.start_main_~y~4 84), 92103#(<= ULTIMATE.start_main_~y~4 87), 92102#(<= ULTIMATE.start_main_~y~4 86), 92105#(<= ULTIMATE.start_main_~y~4 89), 92104#(<= ULTIMATE.start_main_~y~4 88), 92107#(<= ULTIMATE.start_main_~y~4 91), 92106#(<= ULTIMATE.start_main_~y~4 90), 92109#(<= ULTIMATE.start_main_~y~4 93), 92108#(<= ULTIMATE.start_main_~y~4 92), 92111#(<= ULTIMATE.start_main_~y~4 95), 92110#(<= ULTIMATE.start_main_~y~4 94), 92113#(<= ULTIMATE.start_main_~y~4 97), 92112#(<= ULTIMATE.start_main_~y~4 96), 92115#(<= ULTIMATE.start_main_~y~4 99), 92114#(<= ULTIMATE.start_main_~y~4 98), 92117#(<= ULTIMATE.start_main_~y~4 101), 92116#(<= ULTIMATE.start_main_~y~4 100), 92119#(<= ULTIMATE.start_main_~y~4 103), 92118#(<= ULTIMATE.start_main_~y~4 102), 92121#(<= ULTIMATE.start_main_~y~4 105), 92120#(<= ULTIMATE.start_main_~y~4 104), 92123#(<= ULTIMATE.start_main_~y~4 107), 92122#(<= ULTIMATE.start_main_~y~4 106), 92125#(<= ULTIMATE.start_main_~y~4 109), 92124#(<= ULTIMATE.start_main_~y~4 108), 92127#(<= ULTIMATE.start_main_~y~4 111), 92126#(<= ULTIMATE.start_main_~y~4 110), 92129#(<= ULTIMATE.start_main_~y~4 113), 92128#(<= ULTIMATE.start_main_~y~4 112), 92131#(<= ULTIMATE.start_main_~y~4 115), 92130#(<= ULTIMATE.start_main_~y~4 114), 92133#(<= ULTIMATE.start_main_~y~4 117), 92132#(<= ULTIMATE.start_main_~y~4 116), 92135#(<= ULTIMATE.start_main_~y~4 119), 92134#(<= ULTIMATE.start_main_~y~4 118), 92137#(<= ULTIMATE.start_main_~y~4 121), 92136#(<= ULTIMATE.start_main_~y~4 120), 92139#(<= ULTIMATE.start_main_~y~4 123), 92138#(<= ULTIMATE.start_main_~y~4 122), 92141#(<= ULTIMATE.start_main_~y~4 125), 92140#(<= ULTIMATE.start_main_~y~4 124), 92143#(<= ULTIMATE.start_main_~y~4 127), 92142#(<= ULTIMATE.start_main_~y~4 126), 92145#(<= ULTIMATE.start_main_~y~4 129), 92144#(<= ULTIMATE.start_main_~y~4 128), 92147#(<= ULTIMATE.start_main_~y~4 131), 92146#(<= ULTIMATE.start_main_~y~4 130), 92149#(<= ULTIMATE.start_main_~y~4 133), 92148#(<= ULTIMATE.start_main_~y~4 132), 92151#(<= ULTIMATE.start_main_~y~4 135), 92150#(<= ULTIMATE.start_main_~y~4 134), 92153#(<= ULTIMATE.start_main_~y~4 137), 92152#(<= ULTIMATE.start_main_~y~4 136), 92155#(<= ULTIMATE.start_main_~y~4 139), 92154#(<= ULTIMATE.start_main_~y~4 138), 92157#(<= ULTIMATE.start_main_~y~4 141), 92156#(<= ULTIMATE.start_main_~y~4 140), 92159#(<= ULTIMATE.start_main_~y~4 143), 92158#(<= ULTIMATE.start_main_~y~4 142)] [2018-07-23 13:39:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17578 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:03,714 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:39:03,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:39:03,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:39:03,717 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 190 states. [2018-07-23 13:39:04,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:04,113 INFO L93 Difference]: Finished difference Result 194 states and 194 transitions. [2018-07-23 13:39:04,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:39:04,113 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 190 [2018-07-23 13:39:04,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:04,113 INFO L225 Difference]: With dead ends: 194 [2018-07-23 13:39:04,113 INFO L226 Difference]: Without dead ends: 192 [2018-07-23 13:39:04,114 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:39:04,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-07-23 13:39:04,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2018-07-23 13:39:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-07-23 13:39:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 192 transitions. [2018-07-23 13:39:04,117 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 192 transitions. Word has length 190 [2018-07-23 13:39:04,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:04,117 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 192 transitions. [2018-07-23 13:39:04,117 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:39:04,117 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 192 transitions. [2018-07-23 13:39:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-07-23 13:39:04,117 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:04,117 INFO L357 BasicCegarLoop]: trace histogram [188, 1, 1, 1] [2018-07-23 13:39:04,117 INFO L414 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:04,118 INFO L82 PathProgramCache]: Analyzing trace with hash 965816003, now seen corresponding path program 188 times [2018-07-23 13:39:04,118 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:04,933 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:04,933 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:39:04,934 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:04,934 INFO L185 omatonBuilderFactory]: Interpolants [92977#false, 92976#true, 92979#(<= ULTIMATE.start_main_~y~4 1), 92978#(<= ULTIMATE.start_main_~y~4 0), 92981#(<= ULTIMATE.start_main_~y~4 3), 92980#(<= ULTIMATE.start_main_~y~4 2), 92983#(<= ULTIMATE.start_main_~y~4 5), 92982#(<= ULTIMATE.start_main_~y~4 4), 92985#(<= ULTIMATE.start_main_~y~4 7), 92984#(<= ULTIMATE.start_main_~y~4 6), 92987#(<= ULTIMATE.start_main_~y~4 9), 92986#(<= ULTIMATE.start_main_~y~4 8), 92989#(<= ULTIMATE.start_main_~y~4 11), 92988#(<= ULTIMATE.start_main_~y~4 10), 92991#(<= ULTIMATE.start_main_~y~4 13), 92990#(<= ULTIMATE.start_main_~y~4 12), 92993#(<= ULTIMATE.start_main_~y~4 15), 92992#(<= ULTIMATE.start_main_~y~4 14), 92995#(<= ULTIMATE.start_main_~y~4 17), 92994#(<= ULTIMATE.start_main_~y~4 16), 92997#(<= ULTIMATE.start_main_~y~4 19), 92996#(<= ULTIMATE.start_main_~y~4 18), 92999#(<= ULTIMATE.start_main_~y~4 21), 92998#(<= ULTIMATE.start_main_~y~4 20), 93001#(<= ULTIMATE.start_main_~y~4 23), 93000#(<= ULTIMATE.start_main_~y~4 22), 93003#(<= ULTIMATE.start_main_~y~4 25), 93002#(<= ULTIMATE.start_main_~y~4 24), 93005#(<= ULTIMATE.start_main_~y~4 27), 93004#(<= ULTIMATE.start_main_~y~4 26), 93007#(<= ULTIMATE.start_main_~y~4 29), 93006#(<= ULTIMATE.start_main_~y~4 28), 93009#(<= ULTIMATE.start_main_~y~4 31), 93008#(<= ULTIMATE.start_main_~y~4 30), 93011#(<= ULTIMATE.start_main_~y~4 33), 93010#(<= ULTIMATE.start_main_~y~4 32), 93013#(<= ULTIMATE.start_main_~y~4 35), 93012#(<= ULTIMATE.start_main_~y~4 34), 93015#(<= ULTIMATE.start_main_~y~4 37), 93014#(<= ULTIMATE.start_main_~y~4 36), 93017#(<= ULTIMATE.start_main_~y~4 39), 93016#(<= ULTIMATE.start_main_~y~4 38), 93019#(<= ULTIMATE.start_main_~y~4 41), 93018#(<= ULTIMATE.start_main_~y~4 40), 93021#(<= ULTIMATE.start_main_~y~4 43), 93020#(<= ULTIMATE.start_main_~y~4 42), 93023#(<= ULTIMATE.start_main_~y~4 45), 93022#(<= ULTIMATE.start_main_~y~4 44), 93025#(<= ULTIMATE.start_main_~y~4 47), 93024#(<= ULTIMATE.start_main_~y~4 46), 93027#(<= ULTIMATE.start_main_~y~4 49), 93026#(<= ULTIMATE.start_main_~y~4 48), 93029#(<= ULTIMATE.start_main_~y~4 51), 93028#(<= ULTIMATE.start_main_~y~4 50), 93031#(<= ULTIMATE.start_main_~y~4 53), 93030#(<= ULTIMATE.start_main_~y~4 52), 93033#(<= ULTIMATE.start_main_~y~4 55), 93032#(<= ULTIMATE.start_main_~y~4 54), 93035#(<= ULTIMATE.start_main_~y~4 57), 93034#(<= ULTIMATE.start_main_~y~4 56), 93037#(<= ULTIMATE.start_main_~y~4 59), 93036#(<= ULTIMATE.start_main_~y~4 58), 93039#(<= ULTIMATE.start_main_~y~4 61), 93038#(<= ULTIMATE.start_main_~y~4 60), 93041#(<= ULTIMATE.start_main_~y~4 63), 93040#(<= ULTIMATE.start_main_~y~4 62), 93043#(<= ULTIMATE.start_main_~y~4 65), 93042#(<= ULTIMATE.start_main_~y~4 64), 93045#(<= ULTIMATE.start_main_~y~4 67), 93044#(<= ULTIMATE.start_main_~y~4 66), 93047#(<= ULTIMATE.start_main_~y~4 69), 93046#(<= ULTIMATE.start_main_~y~4 68), 93049#(<= ULTIMATE.start_main_~y~4 71), 93048#(<= ULTIMATE.start_main_~y~4 70), 93051#(<= ULTIMATE.start_main_~y~4 73), 93050#(<= ULTIMATE.start_main_~y~4 72), 93053#(<= ULTIMATE.start_main_~y~4 75), 93052#(<= ULTIMATE.start_main_~y~4 74), 93055#(<= ULTIMATE.start_main_~y~4 77), 93054#(<= ULTIMATE.start_main_~y~4 76), 93057#(<= ULTIMATE.start_main_~y~4 79), 93056#(<= ULTIMATE.start_main_~y~4 78), 93059#(<= ULTIMATE.start_main_~y~4 81), 93058#(<= ULTIMATE.start_main_~y~4 80), 93061#(<= ULTIMATE.start_main_~y~4 83), 93060#(<= ULTIMATE.start_main_~y~4 82), 93063#(<= ULTIMATE.start_main_~y~4 85), 93062#(<= ULTIMATE.start_main_~y~4 84), 93065#(<= ULTIMATE.start_main_~y~4 87), 93064#(<= ULTIMATE.start_main_~y~4 86), 93067#(<= ULTIMATE.start_main_~y~4 89), 93066#(<= ULTIMATE.start_main_~y~4 88), 93069#(<= ULTIMATE.start_main_~y~4 91), 93068#(<= ULTIMATE.start_main_~y~4 90), 93071#(<= ULTIMATE.start_main_~y~4 93), 93070#(<= ULTIMATE.start_main_~y~4 92), 93073#(<= ULTIMATE.start_main_~y~4 95), 93072#(<= ULTIMATE.start_main_~y~4 94), 93075#(<= ULTIMATE.start_main_~y~4 97), 93074#(<= ULTIMATE.start_main_~y~4 96), 93077#(<= ULTIMATE.start_main_~y~4 99), 93076#(<= ULTIMATE.start_main_~y~4 98), 93079#(<= ULTIMATE.start_main_~y~4 101), 93078#(<= ULTIMATE.start_main_~y~4 100), 93081#(<= ULTIMATE.start_main_~y~4 103), 93080#(<= ULTIMATE.start_main_~y~4 102), 93083#(<= ULTIMATE.start_main_~y~4 105), 93082#(<= ULTIMATE.start_main_~y~4 104), 93085#(<= ULTIMATE.start_main_~y~4 107), 93084#(<= ULTIMATE.start_main_~y~4 106), 93087#(<= ULTIMATE.start_main_~y~4 109), 93086#(<= ULTIMATE.start_main_~y~4 108), 93089#(<= ULTIMATE.start_main_~y~4 111), 93088#(<= ULTIMATE.start_main_~y~4 110), 93091#(<= ULTIMATE.start_main_~y~4 113), 93090#(<= ULTIMATE.start_main_~y~4 112), 93093#(<= ULTIMATE.start_main_~y~4 115), 93092#(<= ULTIMATE.start_main_~y~4 114), 93095#(<= ULTIMATE.start_main_~y~4 117), 93094#(<= ULTIMATE.start_main_~y~4 116), 93097#(<= ULTIMATE.start_main_~y~4 119), 93096#(<= ULTIMATE.start_main_~y~4 118), 93099#(<= ULTIMATE.start_main_~y~4 121), 93098#(<= ULTIMATE.start_main_~y~4 120), 93101#(<= ULTIMATE.start_main_~y~4 123), 93100#(<= ULTIMATE.start_main_~y~4 122), 93103#(<= ULTIMATE.start_main_~y~4 125), 93102#(<= ULTIMATE.start_main_~y~4 124), 93105#(<= ULTIMATE.start_main_~y~4 127), 93104#(<= ULTIMATE.start_main_~y~4 126), 93107#(<= ULTIMATE.start_main_~y~4 129), 93106#(<= ULTIMATE.start_main_~y~4 128), 93109#(<= ULTIMATE.start_main_~y~4 131), 93108#(<= ULTIMATE.start_main_~y~4 130), 93111#(<= ULTIMATE.start_main_~y~4 133), 93110#(<= ULTIMATE.start_main_~y~4 132), 93113#(<= ULTIMATE.start_main_~y~4 135), 93112#(<= ULTIMATE.start_main_~y~4 134), 93115#(<= ULTIMATE.start_main_~y~4 137), 93114#(<= ULTIMATE.start_main_~y~4 136), 93117#(<= ULTIMATE.start_main_~y~4 139), 93116#(<= ULTIMATE.start_main_~y~4 138), 93119#(<= ULTIMATE.start_main_~y~4 141), 93118#(<= ULTIMATE.start_main_~y~4 140), 93121#(<= ULTIMATE.start_main_~y~4 143), 93120#(<= ULTIMATE.start_main_~y~4 142), 93123#(<= ULTIMATE.start_main_~y~4 145), 93122#(<= ULTIMATE.start_main_~y~4 144), 93125#(<= ULTIMATE.start_main_~y~4 147), 93124#(<= ULTIMATE.start_main_~y~4 146), 93127#(<= ULTIMATE.start_main_~y~4 149), 93126#(<= ULTIMATE.start_main_~y~4 148), 93129#(<= ULTIMATE.start_main_~y~4 151), 93128#(<= ULTIMATE.start_main_~y~4 150), 93131#(<= ULTIMATE.start_main_~y~4 153), 93130#(<= ULTIMATE.start_main_~y~4 152), 93133#(<= ULTIMATE.start_main_~y~4 155), 93132#(<= ULTIMATE.start_main_~y~4 154), 93135#(<= ULTIMATE.start_main_~y~4 157), 93134#(<= ULTIMATE.start_main_~y~4 156), 93137#(<= ULTIMATE.start_main_~y~4 159), 93136#(<= ULTIMATE.start_main_~y~4 158), 93139#(<= ULTIMATE.start_main_~y~4 161), 93138#(<= ULTIMATE.start_main_~y~4 160), 93141#(<= ULTIMATE.start_main_~y~4 163), 93140#(<= ULTIMATE.start_main_~y~4 162), 93143#(<= ULTIMATE.start_main_~y~4 165), 93142#(<= ULTIMATE.start_main_~y~4 164), 93145#(<= ULTIMATE.start_main_~y~4 167), 93144#(<= ULTIMATE.start_main_~y~4 166), 93147#(<= ULTIMATE.start_main_~y~4 169), 93146#(<= ULTIMATE.start_main_~y~4 168), 93149#(<= ULTIMATE.start_main_~y~4 171), 93148#(<= ULTIMATE.start_main_~y~4 170), 93151#(<= ULTIMATE.start_main_~y~4 173), 93150#(<= ULTIMATE.start_main_~y~4 172), 93153#(<= ULTIMATE.start_main_~y~4 175), 93152#(<= ULTIMATE.start_main_~y~4 174), 93155#(<= ULTIMATE.start_main_~y~4 177), 93154#(<= ULTIMATE.start_main_~y~4 176), 93157#(<= ULTIMATE.start_main_~y~4 179), 93156#(<= ULTIMATE.start_main_~y~4 178), 93159#(<= ULTIMATE.start_main_~y~4 181), 93158#(<= ULTIMATE.start_main_~y~4 180), 93161#(<= ULTIMATE.start_main_~y~4 183), 93160#(<= ULTIMATE.start_main_~y~4 182), 93163#(<= ULTIMATE.start_main_~y~4 185), 93162#(<= ULTIMATE.start_main_~y~4 184), 93165#(<= ULTIMATE.start_main_~y~4 187), 93164#(<= ULTIMATE.start_main_~y~4 186), 93166#(<= ULTIMATE.start_main_~y~4 188)] [2018-07-23 13:39:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:04,935 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:39:04,938 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:39:04,939 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:39:04,939 INFO L87 Difference]: Start difference. First operand 192 states and 192 transitions. Second operand 191 states. [2018-07-23 13:39:05,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:05,916 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:39:05,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:39:05,916 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 191 [2018-07-23 13:39:05,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:05,917 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:39:05,917 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:39:05,919 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:39:05,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:39:05,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:39:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:39:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:39:05,922 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 191 [2018-07-23 13:39:05,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:05,923 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:39:05,923 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:39:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:39:05,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:39:05,924 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:05,924 INFO L357 BasicCegarLoop]: trace histogram [189, 1, 1, 1] [2018-07-23 13:39:05,924 INFO L414 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:05,924 INFO L82 PathProgramCache]: Analyzing trace with hash -124473172, now seen corresponding path program 189 times [2018-07-23 13:39:05,924 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 17955 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:06,959 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:06,960 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:39:06,960 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:06,960 INFO L185 omatonBuilderFactory]: Interpolants [93953#(<= ULTIMATE.start_main_~y~4 8), 93952#(<= ULTIMATE.start_main_~y~4 7), 93955#(<= ULTIMATE.start_main_~y~4 10), 93954#(<= ULTIMATE.start_main_~y~4 9), 93957#(<= ULTIMATE.start_main_~y~4 12), 93956#(<= ULTIMATE.start_main_~y~4 11), 93959#(<= ULTIMATE.start_main_~y~4 14), 93958#(<= ULTIMATE.start_main_~y~4 13), 93961#(<= ULTIMATE.start_main_~y~4 16), 93960#(<= ULTIMATE.start_main_~y~4 15), 93963#(<= ULTIMATE.start_main_~y~4 18), 93962#(<= ULTIMATE.start_main_~y~4 17), 93965#(<= ULTIMATE.start_main_~y~4 20), 93964#(<= ULTIMATE.start_main_~y~4 19), 93967#(<= ULTIMATE.start_main_~y~4 22), 93966#(<= ULTIMATE.start_main_~y~4 21), 93969#(<= ULTIMATE.start_main_~y~4 24), 93968#(<= ULTIMATE.start_main_~y~4 23), 93971#(<= ULTIMATE.start_main_~y~4 26), 93970#(<= ULTIMATE.start_main_~y~4 25), 93973#(<= ULTIMATE.start_main_~y~4 28), 93972#(<= ULTIMATE.start_main_~y~4 27), 93975#(<= ULTIMATE.start_main_~y~4 30), 93974#(<= ULTIMATE.start_main_~y~4 29), 93977#(<= ULTIMATE.start_main_~y~4 32), 93976#(<= ULTIMATE.start_main_~y~4 31), 93979#(<= ULTIMATE.start_main_~y~4 34), 93978#(<= ULTIMATE.start_main_~y~4 33), 93981#(<= ULTIMATE.start_main_~y~4 36), 93980#(<= ULTIMATE.start_main_~y~4 35), 93983#(<= ULTIMATE.start_main_~y~4 38), 93982#(<= ULTIMATE.start_main_~y~4 37), 93985#(<= ULTIMATE.start_main_~y~4 40), 93984#(<= ULTIMATE.start_main_~y~4 39), 93987#(<= ULTIMATE.start_main_~y~4 42), 93986#(<= ULTIMATE.start_main_~y~4 41), 93989#(<= ULTIMATE.start_main_~y~4 44), 93988#(<= ULTIMATE.start_main_~y~4 43), 93991#(<= ULTIMATE.start_main_~y~4 46), 93990#(<= ULTIMATE.start_main_~y~4 45), 93993#(<= ULTIMATE.start_main_~y~4 48), 93992#(<= ULTIMATE.start_main_~y~4 47), 93995#(<= ULTIMATE.start_main_~y~4 50), 93994#(<= ULTIMATE.start_main_~y~4 49), 93997#(<= ULTIMATE.start_main_~y~4 52), 93996#(<= ULTIMATE.start_main_~y~4 51), 93999#(<= ULTIMATE.start_main_~y~4 54), 93998#(<= ULTIMATE.start_main_~y~4 53), 94001#(<= ULTIMATE.start_main_~y~4 56), 94000#(<= ULTIMATE.start_main_~y~4 55), 94003#(<= ULTIMATE.start_main_~y~4 58), 94002#(<= ULTIMATE.start_main_~y~4 57), 94005#(<= ULTIMATE.start_main_~y~4 60), 94004#(<= ULTIMATE.start_main_~y~4 59), 94007#(<= ULTIMATE.start_main_~y~4 62), 94006#(<= ULTIMATE.start_main_~y~4 61), 94009#(<= ULTIMATE.start_main_~y~4 64), 94008#(<= ULTIMATE.start_main_~y~4 63), 94011#(<= ULTIMATE.start_main_~y~4 66), 94010#(<= ULTIMATE.start_main_~y~4 65), 94013#(<= ULTIMATE.start_main_~y~4 68), 94012#(<= ULTIMATE.start_main_~y~4 67), 94015#(<= ULTIMATE.start_main_~y~4 70), 94014#(<= ULTIMATE.start_main_~y~4 69), 94017#(<= ULTIMATE.start_main_~y~4 72), 94016#(<= ULTIMATE.start_main_~y~4 71), 94019#(<= ULTIMATE.start_main_~y~4 74), 94018#(<= ULTIMATE.start_main_~y~4 73), 94021#(<= ULTIMATE.start_main_~y~4 76), 94020#(<= ULTIMATE.start_main_~y~4 75), 94023#(<= ULTIMATE.start_main_~y~4 78), 94022#(<= ULTIMATE.start_main_~y~4 77), 94025#(<= ULTIMATE.start_main_~y~4 80), 94024#(<= ULTIMATE.start_main_~y~4 79), 94027#(<= ULTIMATE.start_main_~y~4 82), 94026#(<= ULTIMATE.start_main_~y~4 81), 94029#(<= ULTIMATE.start_main_~y~4 84), 94028#(<= ULTIMATE.start_main_~y~4 83), 94031#(<= ULTIMATE.start_main_~y~4 86), 94030#(<= ULTIMATE.start_main_~y~4 85), 94033#(<= ULTIMATE.start_main_~y~4 88), 94032#(<= ULTIMATE.start_main_~y~4 87), 94035#(<= ULTIMATE.start_main_~y~4 90), 94034#(<= ULTIMATE.start_main_~y~4 89), 94037#(<= ULTIMATE.start_main_~y~4 92), 94036#(<= ULTIMATE.start_main_~y~4 91), 94039#(<= ULTIMATE.start_main_~y~4 94), 94038#(<= ULTIMATE.start_main_~y~4 93), 94041#(<= ULTIMATE.start_main_~y~4 96), 94040#(<= ULTIMATE.start_main_~y~4 95), 94043#(<= ULTIMATE.start_main_~y~4 98), 94042#(<= ULTIMATE.start_main_~y~4 97), 94045#(<= ULTIMATE.start_main_~y~4 100), 94044#(<= ULTIMATE.start_main_~y~4 99), 94047#(<= ULTIMATE.start_main_~y~4 102), 94046#(<= ULTIMATE.start_main_~y~4 101), 94049#(<= ULTIMATE.start_main_~y~4 104), 94048#(<= ULTIMATE.start_main_~y~4 103), 94051#(<= ULTIMATE.start_main_~y~4 106), 94050#(<= ULTIMATE.start_main_~y~4 105), 94053#(<= ULTIMATE.start_main_~y~4 108), 94052#(<= ULTIMATE.start_main_~y~4 107), 94055#(<= ULTIMATE.start_main_~y~4 110), 94054#(<= ULTIMATE.start_main_~y~4 109), 94057#(<= ULTIMATE.start_main_~y~4 112), 94056#(<= ULTIMATE.start_main_~y~4 111), 94059#(<= ULTIMATE.start_main_~y~4 114), 94058#(<= ULTIMATE.start_main_~y~4 113), 94061#(<= ULTIMATE.start_main_~y~4 116), 94060#(<= ULTIMATE.start_main_~y~4 115), 94063#(<= ULTIMATE.start_main_~y~4 118), 94062#(<= ULTIMATE.start_main_~y~4 117), 94065#(<= ULTIMATE.start_main_~y~4 120), 94064#(<= ULTIMATE.start_main_~y~4 119), 94067#(<= ULTIMATE.start_main_~y~4 122), 94066#(<= ULTIMATE.start_main_~y~4 121), 94069#(<= ULTIMATE.start_main_~y~4 124), 94068#(<= ULTIMATE.start_main_~y~4 123), 94071#(<= ULTIMATE.start_main_~y~4 126), 94070#(<= ULTIMATE.start_main_~y~4 125), 94073#(<= ULTIMATE.start_main_~y~4 128), 94072#(<= ULTIMATE.start_main_~y~4 127), 94075#(<= ULTIMATE.start_main_~y~4 130), 94074#(<= ULTIMATE.start_main_~y~4 129), 94077#(<= ULTIMATE.start_main_~y~4 132), 94076#(<= ULTIMATE.start_main_~y~4 131), 94079#(<= ULTIMATE.start_main_~y~4 134), 94078#(<= ULTIMATE.start_main_~y~4 133), 94081#(<= ULTIMATE.start_main_~y~4 136), 94080#(<= ULTIMATE.start_main_~y~4 135), 94083#(<= ULTIMATE.start_main_~y~4 138), 94082#(<= ULTIMATE.start_main_~y~4 137), 94085#(<= ULTIMATE.start_main_~y~4 140), 94084#(<= ULTIMATE.start_main_~y~4 139), 94087#(<= ULTIMATE.start_main_~y~4 142), 94086#(<= ULTIMATE.start_main_~y~4 141), 94089#(<= ULTIMATE.start_main_~y~4 144), 94088#(<= ULTIMATE.start_main_~y~4 143), 94091#(<= ULTIMATE.start_main_~y~4 146), 94090#(<= ULTIMATE.start_main_~y~4 145), 94093#(<= ULTIMATE.start_main_~y~4 148), 94092#(<= ULTIMATE.start_main_~y~4 147), 94095#(<= ULTIMATE.start_main_~y~4 150), 94094#(<= ULTIMATE.start_main_~y~4 149), 94097#(<= ULTIMATE.start_main_~y~4 152), 94096#(<= ULTIMATE.start_main_~y~4 151), 94099#(<= ULTIMATE.start_main_~y~4 154), 94098#(<= ULTIMATE.start_main_~y~4 153), 94101#(<= ULTIMATE.start_main_~y~4 156), 94100#(<= ULTIMATE.start_main_~y~4 155), 94103#(<= ULTIMATE.start_main_~y~4 158), 94102#(<= ULTIMATE.start_main_~y~4 157), 94105#(<= ULTIMATE.start_main_~y~4 160), 94104#(<= ULTIMATE.start_main_~y~4 159), 94107#(<= ULTIMATE.start_main_~y~4 162), 94106#(<= ULTIMATE.start_main_~y~4 161), 94109#(<= ULTIMATE.start_main_~y~4 164), 94108#(<= ULTIMATE.start_main_~y~4 163), 94111#(<= ULTIMATE.start_main_~y~4 166), 94110#(<= ULTIMATE.start_main_~y~4 165), 94113#(<= ULTIMATE.start_main_~y~4 168), 94112#(<= ULTIMATE.start_main_~y~4 167), 94115#(<= ULTIMATE.start_main_~y~4 170), 94114#(<= ULTIMATE.start_main_~y~4 169), 94117#(<= ULTIMATE.start_main_~y~4 172), 94116#(<= ULTIMATE.start_main_~y~4 171), 94119#(<= ULTIMATE.start_main_~y~4 174), 94118#(<= ULTIMATE.start_main_~y~4 173), 94121#(<= ULTIMATE.start_main_~y~4 176), 94120#(<= ULTIMATE.start_main_~y~4 175), 94123#(<= ULTIMATE.start_main_~y~4 178), 94122#(<= ULTIMATE.start_main_~y~4 177), 94125#(<= ULTIMATE.start_main_~y~4 180), 94124#(<= ULTIMATE.start_main_~y~4 179), 94127#(<= ULTIMATE.start_main_~y~4 182), 94126#(<= ULTIMATE.start_main_~y~4 181), 94129#(<= ULTIMATE.start_main_~y~4 184), 94128#(<= ULTIMATE.start_main_~y~4 183), 94131#(<= ULTIMATE.start_main_~y~4 186), 94130#(<= ULTIMATE.start_main_~y~4 185), 94133#(<= ULTIMATE.start_main_~y~4 188), 94132#(<= ULTIMATE.start_main_~y~4 187), 94134#(<= ULTIMATE.start_main_~y~4 189), 93943#true, 93945#(<= ULTIMATE.start_main_~y~4 0), 93944#false, 93947#(<= ULTIMATE.start_main_~y~4 2), 93946#(<= ULTIMATE.start_main_~y~4 1), 93949#(<= ULTIMATE.start_main_~y~4 4), 93948#(<= ULTIMATE.start_main_~y~4 3), 93951#(<= ULTIMATE.start_main_~y~4 6), 93950#(<= ULTIMATE.start_main_~y~4 5)] [2018-07-23 13:39:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 17955 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:06,961 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:39:06,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:39:06,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:39:06,966 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 192 states. [2018-07-23 13:39:08,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:08,112 INFO L93 Difference]: Finished difference Result 196 states and 196 transitions. [2018-07-23 13:39:08,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:39:08,112 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 192 [2018-07-23 13:39:08,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:08,112 INFO L225 Difference]: With dead ends: 196 [2018-07-23 13:39:08,113 INFO L226 Difference]: Without dead ends: 194 [2018-07-23 13:39:08,114 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:39:08,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-07-23 13:39:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2018-07-23 13:39:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-07-23 13:39:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2018-07-23 13:39:08,118 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 192 [2018-07-23 13:39:08,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:08,118 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2018-07-23 13:39:08,118 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:39:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2018-07-23 13:39:08,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-07-23 13:39:08,119 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:08,119 INFO L357 BasicCegarLoop]: trace histogram [190, 1, 1, 1] [2018-07-23 13:39:08,119 INFO L414 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:08,119 INFO L82 PathProgramCache]: Analyzing trace with hash 436300771, now seen corresponding path program 190 times [2018-07-23 13:39:08,119 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 18145 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:09,054 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:09,054 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:39:09,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:09,055 INFO L185 omatonBuilderFactory]: Interpolants [94915#true, 94917#(<= ULTIMATE.start_main_~y~4 0), 94916#false, 94919#(<= ULTIMATE.start_main_~y~4 2), 94918#(<= ULTIMATE.start_main_~y~4 1), 94921#(<= ULTIMATE.start_main_~y~4 4), 94920#(<= ULTIMATE.start_main_~y~4 3), 94923#(<= ULTIMATE.start_main_~y~4 6), 94922#(<= ULTIMATE.start_main_~y~4 5), 94925#(<= ULTIMATE.start_main_~y~4 8), 94924#(<= ULTIMATE.start_main_~y~4 7), 94927#(<= ULTIMATE.start_main_~y~4 10), 94926#(<= ULTIMATE.start_main_~y~4 9), 94929#(<= ULTIMATE.start_main_~y~4 12), 94928#(<= ULTIMATE.start_main_~y~4 11), 94931#(<= ULTIMATE.start_main_~y~4 14), 94930#(<= ULTIMATE.start_main_~y~4 13), 94933#(<= ULTIMATE.start_main_~y~4 16), 94932#(<= ULTIMATE.start_main_~y~4 15), 94935#(<= ULTIMATE.start_main_~y~4 18), 94934#(<= ULTIMATE.start_main_~y~4 17), 94937#(<= ULTIMATE.start_main_~y~4 20), 94936#(<= ULTIMATE.start_main_~y~4 19), 94939#(<= ULTIMATE.start_main_~y~4 22), 94938#(<= ULTIMATE.start_main_~y~4 21), 94941#(<= ULTIMATE.start_main_~y~4 24), 94940#(<= ULTIMATE.start_main_~y~4 23), 94943#(<= ULTIMATE.start_main_~y~4 26), 94942#(<= ULTIMATE.start_main_~y~4 25), 94945#(<= ULTIMATE.start_main_~y~4 28), 94944#(<= ULTIMATE.start_main_~y~4 27), 94947#(<= ULTIMATE.start_main_~y~4 30), 94946#(<= ULTIMATE.start_main_~y~4 29), 94949#(<= ULTIMATE.start_main_~y~4 32), 94948#(<= ULTIMATE.start_main_~y~4 31), 94951#(<= ULTIMATE.start_main_~y~4 34), 94950#(<= ULTIMATE.start_main_~y~4 33), 94953#(<= ULTIMATE.start_main_~y~4 36), 94952#(<= ULTIMATE.start_main_~y~4 35), 94955#(<= ULTIMATE.start_main_~y~4 38), 94954#(<= ULTIMATE.start_main_~y~4 37), 94957#(<= ULTIMATE.start_main_~y~4 40), 94956#(<= ULTIMATE.start_main_~y~4 39), 94959#(<= ULTIMATE.start_main_~y~4 42), 94958#(<= ULTIMATE.start_main_~y~4 41), 94961#(<= ULTIMATE.start_main_~y~4 44), 94960#(<= ULTIMATE.start_main_~y~4 43), 94963#(<= ULTIMATE.start_main_~y~4 46), 94962#(<= ULTIMATE.start_main_~y~4 45), 94965#(<= ULTIMATE.start_main_~y~4 48), 94964#(<= ULTIMATE.start_main_~y~4 47), 94967#(<= ULTIMATE.start_main_~y~4 50), 94966#(<= ULTIMATE.start_main_~y~4 49), 94969#(<= ULTIMATE.start_main_~y~4 52), 94968#(<= ULTIMATE.start_main_~y~4 51), 94971#(<= ULTIMATE.start_main_~y~4 54), 94970#(<= ULTIMATE.start_main_~y~4 53), 94973#(<= ULTIMATE.start_main_~y~4 56), 94972#(<= ULTIMATE.start_main_~y~4 55), 94975#(<= ULTIMATE.start_main_~y~4 58), 94974#(<= ULTIMATE.start_main_~y~4 57), 94977#(<= ULTIMATE.start_main_~y~4 60), 94976#(<= ULTIMATE.start_main_~y~4 59), 94979#(<= ULTIMATE.start_main_~y~4 62), 94978#(<= ULTIMATE.start_main_~y~4 61), 94981#(<= ULTIMATE.start_main_~y~4 64), 94980#(<= ULTIMATE.start_main_~y~4 63), 94983#(<= ULTIMATE.start_main_~y~4 66), 94982#(<= ULTIMATE.start_main_~y~4 65), 94985#(<= ULTIMATE.start_main_~y~4 68), 94984#(<= ULTIMATE.start_main_~y~4 67), 94987#(<= ULTIMATE.start_main_~y~4 70), 94986#(<= ULTIMATE.start_main_~y~4 69), 94989#(<= ULTIMATE.start_main_~y~4 72), 94988#(<= ULTIMATE.start_main_~y~4 71), 94991#(<= ULTIMATE.start_main_~y~4 74), 94990#(<= ULTIMATE.start_main_~y~4 73), 94993#(<= ULTIMATE.start_main_~y~4 76), 94992#(<= ULTIMATE.start_main_~y~4 75), 94995#(<= ULTIMATE.start_main_~y~4 78), 94994#(<= ULTIMATE.start_main_~y~4 77), 94997#(<= ULTIMATE.start_main_~y~4 80), 94996#(<= ULTIMATE.start_main_~y~4 79), 94999#(<= ULTIMATE.start_main_~y~4 82), 94998#(<= ULTIMATE.start_main_~y~4 81), 95001#(<= ULTIMATE.start_main_~y~4 84), 95000#(<= ULTIMATE.start_main_~y~4 83), 95003#(<= ULTIMATE.start_main_~y~4 86), 95002#(<= ULTIMATE.start_main_~y~4 85), 95005#(<= ULTIMATE.start_main_~y~4 88), 95004#(<= ULTIMATE.start_main_~y~4 87), 95007#(<= ULTIMATE.start_main_~y~4 90), 95006#(<= ULTIMATE.start_main_~y~4 89), 95009#(<= ULTIMATE.start_main_~y~4 92), 95008#(<= ULTIMATE.start_main_~y~4 91), 95011#(<= ULTIMATE.start_main_~y~4 94), 95010#(<= ULTIMATE.start_main_~y~4 93), 95013#(<= ULTIMATE.start_main_~y~4 96), 95012#(<= ULTIMATE.start_main_~y~4 95), 95015#(<= ULTIMATE.start_main_~y~4 98), 95014#(<= ULTIMATE.start_main_~y~4 97), 95017#(<= ULTIMATE.start_main_~y~4 100), 95016#(<= ULTIMATE.start_main_~y~4 99), 95019#(<= ULTIMATE.start_main_~y~4 102), 95018#(<= ULTIMATE.start_main_~y~4 101), 95021#(<= ULTIMATE.start_main_~y~4 104), 95020#(<= ULTIMATE.start_main_~y~4 103), 95023#(<= ULTIMATE.start_main_~y~4 106), 95022#(<= ULTIMATE.start_main_~y~4 105), 95025#(<= ULTIMATE.start_main_~y~4 108), 95024#(<= ULTIMATE.start_main_~y~4 107), 95027#(<= ULTIMATE.start_main_~y~4 110), 95026#(<= ULTIMATE.start_main_~y~4 109), 95029#(<= ULTIMATE.start_main_~y~4 112), 95028#(<= ULTIMATE.start_main_~y~4 111), 95031#(<= ULTIMATE.start_main_~y~4 114), 95030#(<= ULTIMATE.start_main_~y~4 113), 95033#(<= ULTIMATE.start_main_~y~4 116), 95032#(<= ULTIMATE.start_main_~y~4 115), 95035#(<= ULTIMATE.start_main_~y~4 118), 95034#(<= ULTIMATE.start_main_~y~4 117), 95037#(<= ULTIMATE.start_main_~y~4 120), 95036#(<= ULTIMATE.start_main_~y~4 119), 95039#(<= ULTIMATE.start_main_~y~4 122), 95038#(<= ULTIMATE.start_main_~y~4 121), 95041#(<= ULTIMATE.start_main_~y~4 124), 95040#(<= ULTIMATE.start_main_~y~4 123), 95043#(<= ULTIMATE.start_main_~y~4 126), 95042#(<= ULTIMATE.start_main_~y~4 125), 95045#(<= ULTIMATE.start_main_~y~4 128), 95044#(<= ULTIMATE.start_main_~y~4 127), 95047#(<= ULTIMATE.start_main_~y~4 130), 95046#(<= ULTIMATE.start_main_~y~4 129), 95049#(<= ULTIMATE.start_main_~y~4 132), 95048#(<= ULTIMATE.start_main_~y~4 131), 95051#(<= ULTIMATE.start_main_~y~4 134), 95050#(<= ULTIMATE.start_main_~y~4 133), 95053#(<= ULTIMATE.start_main_~y~4 136), 95052#(<= ULTIMATE.start_main_~y~4 135), 95055#(<= ULTIMATE.start_main_~y~4 138), 95054#(<= ULTIMATE.start_main_~y~4 137), 95057#(<= ULTIMATE.start_main_~y~4 140), 95056#(<= ULTIMATE.start_main_~y~4 139), 95059#(<= ULTIMATE.start_main_~y~4 142), 95058#(<= ULTIMATE.start_main_~y~4 141), 95061#(<= ULTIMATE.start_main_~y~4 144), 95060#(<= ULTIMATE.start_main_~y~4 143), 95063#(<= ULTIMATE.start_main_~y~4 146), 95062#(<= ULTIMATE.start_main_~y~4 145), 95065#(<= ULTIMATE.start_main_~y~4 148), 95064#(<= ULTIMATE.start_main_~y~4 147), 95067#(<= ULTIMATE.start_main_~y~4 150), 95066#(<= ULTIMATE.start_main_~y~4 149), 95069#(<= ULTIMATE.start_main_~y~4 152), 95068#(<= ULTIMATE.start_main_~y~4 151), 95071#(<= ULTIMATE.start_main_~y~4 154), 95070#(<= ULTIMATE.start_main_~y~4 153), 95073#(<= ULTIMATE.start_main_~y~4 156), 95072#(<= ULTIMATE.start_main_~y~4 155), 95075#(<= ULTIMATE.start_main_~y~4 158), 95074#(<= ULTIMATE.start_main_~y~4 157), 95077#(<= ULTIMATE.start_main_~y~4 160), 95076#(<= ULTIMATE.start_main_~y~4 159), 95079#(<= ULTIMATE.start_main_~y~4 162), 95078#(<= ULTIMATE.start_main_~y~4 161), 95081#(<= ULTIMATE.start_main_~y~4 164), 95080#(<= ULTIMATE.start_main_~y~4 163), 95083#(<= ULTIMATE.start_main_~y~4 166), 95082#(<= ULTIMATE.start_main_~y~4 165), 95085#(<= ULTIMATE.start_main_~y~4 168), 95084#(<= ULTIMATE.start_main_~y~4 167), 95087#(<= ULTIMATE.start_main_~y~4 170), 95086#(<= ULTIMATE.start_main_~y~4 169), 95089#(<= ULTIMATE.start_main_~y~4 172), 95088#(<= ULTIMATE.start_main_~y~4 171), 95091#(<= ULTIMATE.start_main_~y~4 174), 95090#(<= ULTIMATE.start_main_~y~4 173), 95093#(<= ULTIMATE.start_main_~y~4 176), 95092#(<= ULTIMATE.start_main_~y~4 175), 95095#(<= ULTIMATE.start_main_~y~4 178), 95094#(<= ULTIMATE.start_main_~y~4 177), 95097#(<= ULTIMATE.start_main_~y~4 180), 95096#(<= ULTIMATE.start_main_~y~4 179), 95099#(<= ULTIMATE.start_main_~y~4 182), 95098#(<= ULTIMATE.start_main_~y~4 181), 95101#(<= ULTIMATE.start_main_~y~4 184), 95100#(<= ULTIMATE.start_main_~y~4 183), 95103#(<= ULTIMATE.start_main_~y~4 186), 95102#(<= ULTIMATE.start_main_~y~4 185), 95105#(<= ULTIMATE.start_main_~y~4 188), 95104#(<= ULTIMATE.start_main_~y~4 187), 95107#(<= ULTIMATE.start_main_~y~4 190), 95106#(<= ULTIMATE.start_main_~y~4 189)] [2018-07-23 13:39:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 18145 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:09,056 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:39:09,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:39:09,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:39:09,058 INFO L87 Difference]: Start difference. First operand 194 states and 194 transitions. Second operand 193 states. [2018-07-23 13:39:09,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:09,498 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:39:09,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:39:09,498 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 193 [2018-07-23 13:39:09,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:09,499 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:39:09,499 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:39:09,499 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:39:09,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:39:09,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:39:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:39:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:39:09,502 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 193 [2018-07-23 13:39:09,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:09,502 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:39:09,502 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:39:09,502 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:39:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:39:09,502 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:09,502 INFO L357 BasicCegarLoop]: trace histogram [191, 1, 1, 1] [2018-07-23 13:39:09,503 INFO L414 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:09,503 INFO L82 PathProgramCache]: Analyzing trace with hash 640423820, now seen corresponding path program 191 times [2018-07-23 13:39:09,503 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 18336 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:10,354 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:10,354 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:39:10,355 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:10,355 INFO L185 omatonBuilderFactory]: Interpolants [95893#false, 95892#true, 95895#(<= ULTIMATE.start_main_~y~4 1), 95894#(<= ULTIMATE.start_main_~y~4 0), 95897#(<= ULTIMATE.start_main_~y~4 3), 95896#(<= ULTIMATE.start_main_~y~4 2), 95899#(<= ULTIMATE.start_main_~y~4 5), 95898#(<= ULTIMATE.start_main_~y~4 4), 95901#(<= ULTIMATE.start_main_~y~4 7), 95900#(<= ULTIMATE.start_main_~y~4 6), 95903#(<= ULTIMATE.start_main_~y~4 9), 95902#(<= ULTIMATE.start_main_~y~4 8), 95905#(<= ULTIMATE.start_main_~y~4 11), 95904#(<= ULTIMATE.start_main_~y~4 10), 95907#(<= ULTIMATE.start_main_~y~4 13), 95906#(<= ULTIMATE.start_main_~y~4 12), 95909#(<= ULTIMATE.start_main_~y~4 15), 95908#(<= ULTIMATE.start_main_~y~4 14), 95911#(<= ULTIMATE.start_main_~y~4 17), 95910#(<= ULTIMATE.start_main_~y~4 16), 95913#(<= ULTIMATE.start_main_~y~4 19), 95912#(<= ULTIMATE.start_main_~y~4 18), 95915#(<= ULTIMATE.start_main_~y~4 21), 95914#(<= ULTIMATE.start_main_~y~4 20), 95917#(<= ULTIMATE.start_main_~y~4 23), 95916#(<= ULTIMATE.start_main_~y~4 22), 95919#(<= ULTIMATE.start_main_~y~4 25), 95918#(<= ULTIMATE.start_main_~y~4 24), 95921#(<= ULTIMATE.start_main_~y~4 27), 95920#(<= ULTIMATE.start_main_~y~4 26), 95923#(<= ULTIMATE.start_main_~y~4 29), 95922#(<= ULTIMATE.start_main_~y~4 28), 95925#(<= ULTIMATE.start_main_~y~4 31), 95924#(<= ULTIMATE.start_main_~y~4 30), 95927#(<= ULTIMATE.start_main_~y~4 33), 95926#(<= ULTIMATE.start_main_~y~4 32), 95929#(<= ULTIMATE.start_main_~y~4 35), 95928#(<= ULTIMATE.start_main_~y~4 34), 95931#(<= ULTIMATE.start_main_~y~4 37), 95930#(<= ULTIMATE.start_main_~y~4 36), 95933#(<= ULTIMATE.start_main_~y~4 39), 95932#(<= ULTIMATE.start_main_~y~4 38), 95935#(<= ULTIMATE.start_main_~y~4 41), 95934#(<= ULTIMATE.start_main_~y~4 40), 95937#(<= ULTIMATE.start_main_~y~4 43), 95936#(<= ULTIMATE.start_main_~y~4 42), 95939#(<= ULTIMATE.start_main_~y~4 45), 95938#(<= ULTIMATE.start_main_~y~4 44), 95941#(<= ULTIMATE.start_main_~y~4 47), 95940#(<= ULTIMATE.start_main_~y~4 46), 95943#(<= ULTIMATE.start_main_~y~4 49), 95942#(<= ULTIMATE.start_main_~y~4 48), 95945#(<= ULTIMATE.start_main_~y~4 51), 95944#(<= ULTIMATE.start_main_~y~4 50), 95947#(<= ULTIMATE.start_main_~y~4 53), 95946#(<= ULTIMATE.start_main_~y~4 52), 95949#(<= ULTIMATE.start_main_~y~4 55), 95948#(<= ULTIMATE.start_main_~y~4 54), 95951#(<= ULTIMATE.start_main_~y~4 57), 95950#(<= ULTIMATE.start_main_~y~4 56), 95953#(<= ULTIMATE.start_main_~y~4 59), 95952#(<= ULTIMATE.start_main_~y~4 58), 95955#(<= ULTIMATE.start_main_~y~4 61), 95954#(<= ULTIMATE.start_main_~y~4 60), 95957#(<= ULTIMATE.start_main_~y~4 63), 95956#(<= ULTIMATE.start_main_~y~4 62), 95959#(<= ULTIMATE.start_main_~y~4 65), 95958#(<= ULTIMATE.start_main_~y~4 64), 95961#(<= ULTIMATE.start_main_~y~4 67), 95960#(<= ULTIMATE.start_main_~y~4 66), 95963#(<= ULTIMATE.start_main_~y~4 69), 95962#(<= ULTIMATE.start_main_~y~4 68), 95965#(<= ULTIMATE.start_main_~y~4 71), 95964#(<= ULTIMATE.start_main_~y~4 70), 95967#(<= ULTIMATE.start_main_~y~4 73), 95966#(<= ULTIMATE.start_main_~y~4 72), 95969#(<= ULTIMATE.start_main_~y~4 75), 95968#(<= ULTIMATE.start_main_~y~4 74), 95971#(<= ULTIMATE.start_main_~y~4 77), 95970#(<= ULTIMATE.start_main_~y~4 76), 95973#(<= ULTIMATE.start_main_~y~4 79), 95972#(<= ULTIMATE.start_main_~y~4 78), 95975#(<= ULTIMATE.start_main_~y~4 81), 95974#(<= ULTIMATE.start_main_~y~4 80), 95977#(<= ULTIMATE.start_main_~y~4 83), 95976#(<= ULTIMATE.start_main_~y~4 82), 95979#(<= ULTIMATE.start_main_~y~4 85), 95978#(<= ULTIMATE.start_main_~y~4 84), 95981#(<= ULTIMATE.start_main_~y~4 87), 95980#(<= ULTIMATE.start_main_~y~4 86), 95983#(<= ULTIMATE.start_main_~y~4 89), 95982#(<= ULTIMATE.start_main_~y~4 88), 95985#(<= ULTIMATE.start_main_~y~4 91), 95984#(<= ULTIMATE.start_main_~y~4 90), 95987#(<= ULTIMATE.start_main_~y~4 93), 95986#(<= ULTIMATE.start_main_~y~4 92), 95989#(<= ULTIMATE.start_main_~y~4 95), 95988#(<= ULTIMATE.start_main_~y~4 94), 95991#(<= ULTIMATE.start_main_~y~4 97), 95990#(<= ULTIMATE.start_main_~y~4 96), 95993#(<= ULTIMATE.start_main_~y~4 99), 95992#(<= ULTIMATE.start_main_~y~4 98), 95995#(<= ULTIMATE.start_main_~y~4 101), 95994#(<= ULTIMATE.start_main_~y~4 100), 95997#(<= ULTIMATE.start_main_~y~4 103), 95996#(<= ULTIMATE.start_main_~y~4 102), 95999#(<= ULTIMATE.start_main_~y~4 105), 95998#(<= ULTIMATE.start_main_~y~4 104), 96001#(<= ULTIMATE.start_main_~y~4 107), 96000#(<= ULTIMATE.start_main_~y~4 106), 96003#(<= ULTIMATE.start_main_~y~4 109), 96002#(<= ULTIMATE.start_main_~y~4 108), 96005#(<= ULTIMATE.start_main_~y~4 111), 96004#(<= ULTIMATE.start_main_~y~4 110), 96007#(<= ULTIMATE.start_main_~y~4 113), 96006#(<= ULTIMATE.start_main_~y~4 112), 96009#(<= ULTIMATE.start_main_~y~4 115), 96008#(<= ULTIMATE.start_main_~y~4 114), 96011#(<= ULTIMATE.start_main_~y~4 117), 96010#(<= ULTIMATE.start_main_~y~4 116), 96013#(<= ULTIMATE.start_main_~y~4 119), 96012#(<= ULTIMATE.start_main_~y~4 118), 96015#(<= ULTIMATE.start_main_~y~4 121), 96014#(<= ULTIMATE.start_main_~y~4 120), 96017#(<= ULTIMATE.start_main_~y~4 123), 96016#(<= ULTIMATE.start_main_~y~4 122), 96019#(<= ULTIMATE.start_main_~y~4 125), 96018#(<= ULTIMATE.start_main_~y~4 124), 96021#(<= ULTIMATE.start_main_~y~4 127), 96020#(<= ULTIMATE.start_main_~y~4 126), 96023#(<= ULTIMATE.start_main_~y~4 129), 96022#(<= ULTIMATE.start_main_~y~4 128), 96025#(<= ULTIMATE.start_main_~y~4 131), 96024#(<= ULTIMATE.start_main_~y~4 130), 96027#(<= ULTIMATE.start_main_~y~4 133), 96026#(<= ULTIMATE.start_main_~y~4 132), 96029#(<= ULTIMATE.start_main_~y~4 135), 96028#(<= ULTIMATE.start_main_~y~4 134), 96031#(<= ULTIMATE.start_main_~y~4 137), 96030#(<= ULTIMATE.start_main_~y~4 136), 96033#(<= ULTIMATE.start_main_~y~4 139), 96032#(<= ULTIMATE.start_main_~y~4 138), 96035#(<= ULTIMATE.start_main_~y~4 141), 96034#(<= ULTIMATE.start_main_~y~4 140), 96037#(<= ULTIMATE.start_main_~y~4 143), 96036#(<= ULTIMATE.start_main_~y~4 142), 96039#(<= ULTIMATE.start_main_~y~4 145), 96038#(<= ULTIMATE.start_main_~y~4 144), 96041#(<= ULTIMATE.start_main_~y~4 147), 96040#(<= ULTIMATE.start_main_~y~4 146), 96043#(<= ULTIMATE.start_main_~y~4 149), 96042#(<= ULTIMATE.start_main_~y~4 148), 96045#(<= ULTIMATE.start_main_~y~4 151), 96044#(<= ULTIMATE.start_main_~y~4 150), 96047#(<= ULTIMATE.start_main_~y~4 153), 96046#(<= ULTIMATE.start_main_~y~4 152), 96049#(<= ULTIMATE.start_main_~y~4 155), 96048#(<= ULTIMATE.start_main_~y~4 154), 96051#(<= ULTIMATE.start_main_~y~4 157), 96050#(<= ULTIMATE.start_main_~y~4 156), 96053#(<= ULTIMATE.start_main_~y~4 159), 96052#(<= ULTIMATE.start_main_~y~4 158), 96055#(<= ULTIMATE.start_main_~y~4 161), 96054#(<= ULTIMATE.start_main_~y~4 160), 96057#(<= ULTIMATE.start_main_~y~4 163), 96056#(<= ULTIMATE.start_main_~y~4 162), 96059#(<= ULTIMATE.start_main_~y~4 165), 96058#(<= ULTIMATE.start_main_~y~4 164), 96061#(<= ULTIMATE.start_main_~y~4 167), 96060#(<= ULTIMATE.start_main_~y~4 166), 96063#(<= ULTIMATE.start_main_~y~4 169), 96062#(<= ULTIMATE.start_main_~y~4 168), 96065#(<= ULTIMATE.start_main_~y~4 171), 96064#(<= ULTIMATE.start_main_~y~4 170), 96067#(<= ULTIMATE.start_main_~y~4 173), 96066#(<= ULTIMATE.start_main_~y~4 172), 96069#(<= ULTIMATE.start_main_~y~4 175), 96068#(<= ULTIMATE.start_main_~y~4 174), 96071#(<= ULTIMATE.start_main_~y~4 177), 96070#(<= ULTIMATE.start_main_~y~4 176), 96073#(<= ULTIMATE.start_main_~y~4 179), 96072#(<= ULTIMATE.start_main_~y~4 178), 96075#(<= ULTIMATE.start_main_~y~4 181), 96074#(<= ULTIMATE.start_main_~y~4 180), 96077#(<= ULTIMATE.start_main_~y~4 183), 96076#(<= ULTIMATE.start_main_~y~4 182), 96079#(<= ULTIMATE.start_main_~y~4 185), 96078#(<= ULTIMATE.start_main_~y~4 184), 96081#(<= ULTIMATE.start_main_~y~4 187), 96080#(<= ULTIMATE.start_main_~y~4 186), 96083#(<= ULTIMATE.start_main_~y~4 189), 96082#(<= ULTIMATE.start_main_~y~4 188), 96085#(<= ULTIMATE.start_main_~y~4 191), 96084#(<= ULTIMATE.start_main_~y~4 190)] [2018-07-23 13:39:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18336 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:10,357 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:39:10,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:39:10,361 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:39:10,361 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 194 states. [2018-07-23 13:39:10,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:10,670 INFO L93 Difference]: Finished difference Result 198 states and 198 transitions. [2018-07-23 13:39:10,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:39:10,670 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 194 [2018-07-23 13:39:10,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:10,671 INFO L225 Difference]: With dead ends: 198 [2018-07-23 13:39:10,671 INFO L226 Difference]: Without dead ends: 196 [2018-07-23 13:39:10,673 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:39:10,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-07-23 13:39:10,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-07-23 13:39:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-07-23 13:39:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 196 transitions. [2018-07-23 13:39:10,677 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 196 transitions. Word has length 194 [2018-07-23 13:39:10,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:10,677 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 196 transitions. [2018-07-23 13:39:10,677 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:39:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 196 transitions. [2018-07-23 13:39:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-23 13:39:10,678 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:10,678 INFO L357 BasicCegarLoop]: trace histogram [192, 1, 1, 1] [2018-07-23 13:39:10,678 INFO L414 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:10,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1621696253, now seen corresponding path program 192 times [2018-07-23 13:39:10,678 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:11,600 INFO L134 CoverageAnalysis]: Checked inductivity of 18528 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:11,601 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:11,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:39:11,601 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:11,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:11,601 INFO L185 omatonBuilderFactory]: Interpolants [96875#false, 96874#true, 96877#(<= ULTIMATE.start_main_~y~4 1), 96876#(<= ULTIMATE.start_main_~y~4 0), 96879#(<= ULTIMATE.start_main_~y~4 3), 96878#(<= ULTIMATE.start_main_~y~4 2), 96881#(<= ULTIMATE.start_main_~y~4 5), 96880#(<= ULTIMATE.start_main_~y~4 4), 96883#(<= ULTIMATE.start_main_~y~4 7), 96882#(<= ULTIMATE.start_main_~y~4 6), 96885#(<= ULTIMATE.start_main_~y~4 9), 96884#(<= ULTIMATE.start_main_~y~4 8), 96887#(<= ULTIMATE.start_main_~y~4 11), 96886#(<= ULTIMATE.start_main_~y~4 10), 96889#(<= ULTIMATE.start_main_~y~4 13), 96888#(<= ULTIMATE.start_main_~y~4 12), 96891#(<= ULTIMATE.start_main_~y~4 15), 96890#(<= ULTIMATE.start_main_~y~4 14), 96893#(<= ULTIMATE.start_main_~y~4 17), 96892#(<= ULTIMATE.start_main_~y~4 16), 96895#(<= ULTIMATE.start_main_~y~4 19), 96894#(<= ULTIMATE.start_main_~y~4 18), 96897#(<= ULTIMATE.start_main_~y~4 21), 96896#(<= ULTIMATE.start_main_~y~4 20), 96899#(<= ULTIMATE.start_main_~y~4 23), 96898#(<= ULTIMATE.start_main_~y~4 22), 96901#(<= ULTIMATE.start_main_~y~4 25), 96900#(<= ULTIMATE.start_main_~y~4 24), 96903#(<= ULTIMATE.start_main_~y~4 27), 96902#(<= ULTIMATE.start_main_~y~4 26), 96905#(<= ULTIMATE.start_main_~y~4 29), 96904#(<= ULTIMATE.start_main_~y~4 28), 96907#(<= ULTIMATE.start_main_~y~4 31), 96906#(<= ULTIMATE.start_main_~y~4 30), 96909#(<= ULTIMATE.start_main_~y~4 33), 96908#(<= ULTIMATE.start_main_~y~4 32), 96911#(<= ULTIMATE.start_main_~y~4 35), 96910#(<= ULTIMATE.start_main_~y~4 34), 96913#(<= ULTIMATE.start_main_~y~4 37), 96912#(<= ULTIMATE.start_main_~y~4 36), 96915#(<= ULTIMATE.start_main_~y~4 39), 96914#(<= ULTIMATE.start_main_~y~4 38), 96917#(<= ULTIMATE.start_main_~y~4 41), 96916#(<= ULTIMATE.start_main_~y~4 40), 96919#(<= ULTIMATE.start_main_~y~4 43), 96918#(<= ULTIMATE.start_main_~y~4 42), 96921#(<= ULTIMATE.start_main_~y~4 45), 96920#(<= ULTIMATE.start_main_~y~4 44), 96923#(<= ULTIMATE.start_main_~y~4 47), 96922#(<= ULTIMATE.start_main_~y~4 46), 96925#(<= ULTIMATE.start_main_~y~4 49), 96924#(<= ULTIMATE.start_main_~y~4 48), 96927#(<= ULTIMATE.start_main_~y~4 51), 96926#(<= ULTIMATE.start_main_~y~4 50), 96929#(<= ULTIMATE.start_main_~y~4 53), 96928#(<= ULTIMATE.start_main_~y~4 52), 96931#(<= ULTIMATE.start_main_~y~4 55), 96930#(<= ULTIMATE.start_main_~y~4 54), 96933#(<= ULTIMATE.start_main_~y~4 57), 96932#(<= ULTIMATE.start_main_~y~4 56), 96935#(<= ULTIMATE.start_main_~y~4 59), 96934#(<= ULTIMATE.start_main_~y~4 58), 96937#(<= ULTIMATE.start_main_~y~4 61), 96936#(<= ULTIMATE.start_main_~y~4 60), 96939#(<= ULTIMATE.start_main_~y~4 63), 96938#(<= ULTIMATE.start_main_~y~4 62), 96941#(<= ULTIMATE.start_main_~y~4 65), 96940#(<= ULTIMATE.start_main_~y~4 64), 96943#(<= ULTIMATE.start_main_~y~4 67), 96942#(<= ULTIMATE.start_main_~y~4 66), 96945#(<= ULTIMATE.start_main_~y~4 69), 96944#(<= ULTIMATE.start_main_~y~4 68), 96947#(<= ULTIMATE.start_main_~y~4 71), 96946#(<= ULTIMATE.start_main_~y~4 70), 96949#(<= ULTIMATE.start_main_~y~4 73), 96948#(<= ULTIMATE.start_main_~y~4 72), 96951#(<= ULTIMATE.start_main_~y~4 75), 96950#(<= ULTIMATE.start_main_~y~4 74), 96953#(<= ULTIMATE.start_main_~y~4 77), 96952#(<= ULTIMATE.start_main_~y~4 76), 96955#(<= ULTIMATE.start_main_~y~4 79), 96954#(<= ULTIMATE.start_main_~y~4 78), 96957#(<= ULTIMATE.start_main_~y~4 81), 96956#(<= ULTIMATE.start_main_~y~4 80), 96959#(<= ULTIMATE.start_main_~y~4 83), 96958#(<= ULTIMATE.start_main_~y~4 82), 96961#(<= ULTIMATE.start_main_~y~4 85), 96960#(<= ULTIMATE.start_main_~y~4 84), 96963#(<= ULTIMATE.start_main_~y~4 87), 96962#(<= ULTIMATE.start_main_~y~4 86), 96965#(<= ULTIMATE.start_main_~y~4 89), 96964#(<= ULTIMATE.start_main_~y~4 88), 96967#(<= ULTIMATE.start_main_~y~4 91), 96966#(<= ULTIMATE.start_main_~y~4 90), 96969#(<= ULTIMATE.start_main_~y~4 93), 96968#(<= ULTIMATE.start_main_~y~4 92), 96971#(<= ULTIMATE.start_main_~y~4 95), 96970#(<= ULTIMATE.start_main_~y~4 94), 96973#(<= ULTIMATE.start_main_~y~4 97), 96972#(<= ULTIMATE.start_main_~y~4 96), 96975#(<= ULTIMATE.start_main_~y~4 99), 96974#(<= ULTIMATE.start_main_~y~4 98), 96977#(<= ULTIMATE.start_main_~y~4 101), 96976#(<= ULTIMATE.start_main_~y~4 100), 96979#(<= ULTIMATE.start_main_~y~4 103), 96978#(<= ULTIMATE.start_main_~y~4 102), 96981#(<= ULTIMATE.start_main_~y~4 105), 96980#(<= ULTIMATE.start_main_~y~4 104), 96983#(<= ULTIMATE.start_main_~y~4 107), 96982#(<= ULTIMATE.start_main_~y~4 106), 96985#(<= ULTIMATE.start_main_~y~4 109), 96984#(<= ULTIMATE.start_main_~y~4 108), 96987#(<= ULTIMATE.start_main_~y~4 111), 96986#(<= ULTIMATE.start_main_~y~4 110), 96989#(<= ULTIMATE.start_main_~y~4 113), 96988#(<= ULTIMATE.start_main_~y~4 112), 96991#(<= ULTIMATE.start_main_~y~4 115), 96990#(<= ULTIMATE.start_main_~y~4 114), 96993#(<= ULTIMATE.start_main_~y~4 117), 96992#(<= ULTIMATE.start_main_~y~4 116), 96995#(<= ULTIMATE.start_main_~y~4 119), 96994#(<= ULTIMATE.start_main_~y~4 118), 96997#(<= ULTIMATE.start_main_~y~4 121), 96996#(<= ULTIMATE.start_main_~y~4 120), 96999#(<= ULTIMATE.start_main_~y~4 123), 96998#(<= ULTIMATE.start_main_~y~4 122), 97001#(<= ULTIMATE.start_main_~y~4 125), 97000#(<= ULTIMATE.start_main_~y~4 124), 97003#(<= ULTIMATE.start_main_~y~4 127), 97002#(<= ULTIMATE.start_main_~y~4 126), 97005#(<= ULTIMATE.start_main_~y~4 129), 97004#(<= ULTIMATE.start_main_~y~4 128), 97007#(<= ULTIMATE.start_main_~y~4 131), 97006#(<= ULTIMATE.start_main_~y~4 130), 97009#(<= ULTIMATE.start_main_~y~4 133), 97008#(<= ULTIMATE.start_main_~y~4 132), 97011#(<= ULTIMATE.start_main_~y~4 135), 97010#(<= ULTIMATE.start_main_~y~4 134), 97013#(<= ULTIMATE.start_main_~y~4 137), 97012#(<= ULTIMATE.start_main_~y~4 136), 97015#(<= ULTIMATE.start_main_~y~4 139), 97014#(<= ULTIMATE.start_main_~y~4 138), 97017#(<= ULTIMATE.start_main_~y~4 141), 97016#(<= ULTIMATE.start_main_~y~4 140), 97019#(<= ULTIMATE.start_main_~y~4 143), 97018#(<= ULTIMATE.start_main_~y~4 142), 97021#(<= ULTIMATE.start_main_~y~4 145), 97020#(<= ULTIMATE.start_main_~y~4 144), 97023#(<= ULTIMATE.start_main_~y~4 147), 97022#(<= ULTIMATE.start_main_~y~4 146), 97025#(<= ULTIMATE.start_main_~y~4 149), 97024#(<= ULTIMATE.start_main_~y~4 148), 97027#(<= ULTIMATE.start_main_~y~4 151), 97026#(<= ULTIMATE.start_main_~y~4 150), 97029#(<= ULTIMATE.start_main_~y~4 153), 97028#(<= ULTIMATE.start_main_~y~4 152), 97031#(<= ULTIMATE.start_main_~y~4 155), 97030#(<= ULTIMATE.start_main_~y~4 154), 97033#(<= ULTIMATE.start_main_~y~4 157), 97032#(<= ULTIMATE.start_main_~y~4 156), 97035#(<= ULTIMATE.start_main_~y~4 159), 97034#(<= ULTIMATE.start_main_~y~4 158), 97037#(<= ULTIMATE.start_main_~y~4 161), 97036#(<= ULTIMATE.start_main_~y~4 160), 97039#(<= ULTIMATE.start_main_~y~4 163), 97038#(<= ULTIMATE.start_main_~y~4 162), 97041#(<= ULTIMATE.start_main_~y~4 165), 97040#(<= ULTIMATE.start_main_~y~4 164), 97043#(<= ULTIMATE.start_main_~y~4 167), 97042#(<= ULTIMATE.start_main_~y~4 166), 97045#(<= ULTIMATE.start_main_~y~4 169), 97044#(<= ULTIMATE.start_main_~y~4 168), 97047#(<= ULTIMATE.start_main_~y~4 171), 97046#(<= ULTIMATE.start_main_~y~4 170), 97049#(<= ULTIMATE.start_main_~y~4 173), 97048#(<= ULTIMATE.start_main_~y~4 172), 97051#(<= ULTIMATE.start_main_~y~4 175), 97050#(<= ULTIMATE.start_main_~y~4 174), 97053#(<= ULTIMATE.start_main_~y~4 177), 97052#(<= ULTIMATE.start_main_~y~4 176), 97055#(<= ULTIMATE.start_main_~y~4 179), 97054#(<= ULTIMATE.start_main_~y~4 178), 97057#(<= ULTIMATE.start_main_~y~4 181), 97056#(<= ULTIMATE.start_main_~y~4 180), 97059#(<= ULTIMATE.start_main_~y~4 183), 97058#(<= ULTIMATE.start_main_~y~4 182), 97061#(<= ULTIMATE.start_main_~y~4 185), 97060#(<= ULTIMATE.start_main_~y~4 184), 97063#(<= ULTIMATE.start_main_~y~4 187), 97062#(<= ULTIMATE.start_main_~y~4 186), 97065#(<= ULTIMATE.start_main_~y~4 189), 97064#(<= ULTIMATE.start_main_~y~4 188), 97067#(<= ULTIMATE.start_main_~y~4 191), 97066#(<= ULTIMATE.start_main_~y~4 190), 97068#(<= ULTIMATE.start_main_~y~4 192)] [2018-07-23 13:39:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 18528 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:11,603 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:39:11,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:39:11,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:39:11,607 INFO L87 Difference]: Start difference. First operand 196 states and 196 transitions. Second operand 195 states. [2018-07-23 13:39:12,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:12,154 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:39:12,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:39:12,154 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 195 [2018-07-23 13:39:12,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:12,155 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:39:12,155 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:39:12,157 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:39:12,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:39:12,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:39:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:39:12,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:39:12,160 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 195 [2018-07-23 13:39:12,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:12,160 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:39:12,161 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:39:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:39:12,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:39:12,161 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:12,162 INFO L357 BasicCegarLoop]: trace histogram [193, 1, 1, 1] [2018-07-23 13:39:12,162 INFO L414 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:12,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1267025516, now seen corresponding path program 193 times [2018-07-23 13:39:12,162 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 18721 backedges. 0 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:13,113 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:13,113 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:39:13,114 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:13,114 INFO L185 omatonBuilderFactory]: Interpolants [97861#true, 97863#(<= ULTIMATE.start_main_~y~4 0), 97862#false, 97865#(<= ULTIMATE.start_main_~y~4 2), 97864#(<= ULTIMATE.start_main_~y~4 1), 97867#(<= ULTIMATE.start_main_~y~4 4), 97866#(<= ULTIMATE.start_main_~y~4 3), 97869#(<= ULTIMATE.start_main_~y~4 6), 97868#(<= ULTIMATE.start_main_~y~4 5), 97871#(<= ULTIMATE.start_main_~y~4 8), 97870#(<= ULTIMATE.start_main_~y~4 7), 97873#(<= ULTIMATE.start_main_~y~4 10), 97872#(<= ULTIMATE.start_main_~y~4 9), 97875#(<= ULTIMATE.start_main_~y~4 12), 97874#(<= ULTIMATE.start_main_~y~4 11), 97877#(<= ULTIMATE.start_main_~y~4 14), 97876#(<= ULTIMATE.start_main_~y~4 13), 97879#(<= ULTIMATE.start_main_~y~4 16), 97878#(<= ULTIMATE.start_main_~y~4 15), 97881#(<= ULTIMATE.start_main_~y~4 18), 97880#(<= ULTIMATE.start_main_~y~4 17), 97883#(<= ULTIMATE.start_main_~y~4 20), 97882#(<= ULTIMATE.start_main_~y~4 19), 97885#(<= ULTIMATE.start_main_~y~4 22), 97884#(<= ULTIMATE.start_main_~y~4 21), 97887#(<= ULTIMATE.start_main_~y~4 24), 97886#(<= ULTIMATE.start_main_~y~4 23), 97889#(<= ULTIMATE.start_main_~y~4 26), 97888#(<= ULTIMATE.start_main_~y~4 25), 97891#(<= ULTIMATE.start_main_~y~4 28), 97890#(<= ULTIMATE.start_main_~y~4 27), 97893#(<= ULTIMATE.start_main_~y~4 30), 97892#(<= ULTIMATE.start_main_~y~4 29), 97895#(<= ULTIMATE.start_main_~y~4 32), 97894#(<= ULTIMATE.start_main_~y~4 31), 97897#(<= ULTIMATE.start_main_~y~4 34), 97896#(<= ULTIMATE.start_main_~y~4 33), 97899#(<= ULTIMATE.start_main_~y~4 36), 97898#(<= ULTIMATE.start_main_~y~4 35), 97901#(<= ULTIMATE.start_main_~y~4 38), 97900#(<= ULTIMATE.start_main_~y~4 37), 97903#(<= ULTIMATE.start_main_~y~4 40), 97902#(<= ULTIMATE.start_main_~y~4 39), 97905#(<= ULTIMATE.start_main_~y~4 42), 97904#(<= ULTIMATE.start_main_~y~4 41), 97907#(<= ULTIMATE.start_main_~y~4 44), 97906#(<= ULTIMATE.start_main_~y~4 43), 97909#(<= ULTIMATE.start_main_~y~4 46), 97908#(<= ULTIMATE.start_main_~y~4 45), 97911#(<= ULTIMATE.start_main_~y~4 48), 97910#(<= ULTIMATE.start_main_~y~4 47), 97913#(<= ULTIMATE.start_main_~y~4 50), 97912#(<= ULTIMATE.start_main_~y~4 49), 97915#(<= ULTIMATE.start_main_~y~4 52), 97914#(<= ULTIMATE.start_main_~y~4 51), 97917#(<= ULTIMATE.start_main_~y~4 54), 97916#(<= ULTIMATE.start_main_~y~4 53), 97919#(<= ULTIMATE.start_main_~y~4 56), 97918#(<= ULTIMATE.start_main_~y~4 55), 97921#(<= ULTIMATE.start_main_~y~4 58), 97920#(<= ULTIMATE.start_main_~y~4 57), 97923#(<= ULTIMATE.start_main_~y~4 60), 97922#(<= ULTIMATE.start_main_~y~4 59), 97925#(<= ULTIMATE.start_main_~y~4 62), 97924#(<= ULTIMATE.start_main_~y~4 61), 97927#(<= ULTIMATE.start_main_~y~4 64), 97926#(<= ULTIMATE.start_main_~y~4 63), 97929#(<= ULTIMATE.start_main_~y~4 66), 97928#(<= ULTIMATE.start_main_~y~4 65), 97931#(<= ULTIMATE.start_main_~y~4 68), 97930#(<= ULTIMATE.start_main_~y~4 67), 97933#(<= ULTIMATE.start_main_~y~4 70), 97932#(<= ULTIMATE.start_main_~y~4 69), 97935#(<= ULTIMATE.start_main_~y~4 72), 97934#(<= ULTIMATE.start_main_~y~4 71), 97937#(<= ULTIMATE.start_main_~y~4 74), 97936#(<= ULTIMATE.start_main_~y~4 73), 97939#(<= ULTIMATE.start_main_~y~4 76), 97938#(<= ULTIMATE.start_main_~y~4 75), 97941#(<= ULTIMATE.start_main_~y~4 78), 97940#(<= ULTIMATE.start_main_~y~4 77), 97943#(<= ULTIMATE.start_main_~y~4 80), 97942#(<= ULTIMATE.start_main_~y~4 79), 97945#(<= ULTIMATE.start_main_~y~4 82), 97944#(<= ULTIMATE.start_main_~y~4 81), 97947#(<= ULTIMATE.start_main_~y~4 84), 97946#(<= ULTIMATE.start_main_~y~4 83), 97949#(<= ULTIMATE.start_main_~y~4 86), 97948#(<= ULTIMATE.start_main_~y~4 85), 97951#(<= ULTIMATE.start_main_~y~4 88), 97950#(<= ULTIMATE.start_main_~y~4 87), 97953#(<= ULTIMATE.start_main_~y~4 90), 97952#(<= ULTIMATE.start_main_~y~4 89), 97955#(<= ULTIMATE.start_main_~y~4 92), 97954#(<= ULTIMATE.start_main_~y~4 91), 97957#(<= ULTIMATE.start_main_~y~4 94), 97956#(<= ULTIMATE.start_main_~y~4 93), 97959#(<= ULTIMATE.start_main_~y~4 96), 97958#(<= ULTIMATE.start_main_~y~4 95), 97961#(<= ULTIMATE.start_main_~y~4 98), 97960#(<= ULTIMATE.start_main_~y~4 97), 97963#(<= ULTIMATE.start_main_~y~4 100), 97962#(<= ULTIMATE.start_main_~y~4 99), 97965#(<= ULTIMATE.start_main_~y~4 102), 97964#(<= ULTIMATE.start_main_~y~4 101), 97967#(<= ULTIMATE.start_main_~y~4 104), 97966#(<= ULTIMATE.start_main_~y~4 103), 97969#(<= ULTIMATE.start_main_~y~4 106), 97968#(<= ULTIMATE.start_main_~y~4 105), 97971#(<= ULTIMATE.start_main_~y~4 108), 97970#(<= ULTIMATE.start_main_~y~4 107), 97973#(<= ULTIMATE.start_main_~y~4 110), 97972#(<= ULTIMATE.start_main_~y~4 109), 97975#(<= ULTIMATE.start_main_~y~4 112), 97974#(<= ULTIMATE.start_main_~y~4 111), 97977#(<= ULTIMATE.start_main_~y~4 114), 97976#(<= ULTIMATE.start_main_~y~4 113), 97979#(<= ULTIMATE.start_main_~y~4 116), 97978#(<= ULTIMATE.start_main_~y~4 115), 97981#(<= ULTIMATE.start_main_~y~4 118), 97980#(<= ULTIMATE.start_main_~y~4 117), 97983#(<= ULTIMATE.start_main_~y~4 120), 97982#(<= ULTIMATE.start_main_~y~4 119), 97985#(<= ULTIMATE.start_main_~y~4 122), 97984#(<= ULTIMATE.start_main_~y~4 121), 97987#(<= ULTIMATE.start_main_~y~4 124), 97986#(<= ULTIMATE.start_main_~y~4 123), 97989#(<= ULTIMATE.start_main_~y~4 126), 97988#(<= ULTIMATE.start_main_~y~4 125), 97991#(<= ULTIMATE.start_main_~y~4 128), 97990#(<= ULTIMATE.start_main_~y~4 127), 97993#(<= ULTIMATE.start_main_~y~4 130), 97992#(<= ULTIMATE.start_main_~y~4 129), 97995#(<= ULTIMATE.start_main_~y~4 132), 97994#(<= ULTIMATE.start_main_~y~4 131), 97997#(<= ULTIMATE.start_main_~y~4 134), 97996#(<= ULTIMATE.start_main_~y~4 133), 97999#(<= ULTIMATE.start_main_~y~4 136), 97998#(<= ULTIMATE.start_main_~y~4 135), 98001#(<= ULTIMATE.start_main_~y~4 138), 98000#(<= ULTIMATE.start_main_~y~4 137), 98003#(<= ULTIMATE.start_main_~y~4 140), 98002#(<= ULTIMATE.start_main_~y~4 139), 98005#(<= ULTIMATE.start_main_~y~4 142), 98004#(<= ULTIMATE.start_main_~y~4 141), 98007#(<= ULTIMATE.start_main_~y~4 144), 98006#(<= ULTIMATE.start_main_~y~4 143), 98009#(<= ULTIMATE.start_main_~y~4 146), 98008#(<= ULTIMATE.start_main_~y~4 145), 98011#(<= ULTIMATE.start_main_~y~4 148), 98010#(<= ULTIMATE.start_main_~y~4 147), 98013#(<= ULTIMATE.start_main_~y~4 150), 98012#(<= ULTIMATE.start_main_~y~4 149), 98015#(<= ULTIMATE.start_main_~y~4 152), 98014#(<= ULTIMATE.start_main_~y~4 151), 98017#(<= ULTIMATE.start_main_~y~4 154), 98016#(<= ULTIMATE.start_main_~y~4 153), 98019#(<= ULTIMATE.start_main_~y~4 156), 98018#(<= ULTIMATE.start_main_~y~4 155), 98021#(<= ULTIMATE.start_main_~y~4 158), 98020#(<= ULTIMATE.start_main_~y~4 157), 98023#(<= ULTIMATE.start_main_~y~4 160), 98022#(<= ULTIMATE.start_main_~y~4 159), 98025#(<= ULTIMATE.start_main_~y~4 162), 98024#(<= ULTIMATE.start_main_~y~4 161), 98027#(<= ULTIMATE.start_main_~y~4 164), 98026#(<= ULTIMATE.start_main_~y~4 163), 98029#(<= ULTIMATE.start_main_~y~4 166), 98028#(<= ULTIMATE.start_main_~y~4 165), 98031#(<= ULTIMATE.start_main_~y~4 168), 98030#(<= ULTIMATE.start_main_~y~4 167), 98033#(<= ULTIMATE.start_main_~y~4 170), 98032#(<= ULTIMATE.start_main_~y~4 169), 98035#(<= ULTIMATE.start_main_~y~4 172), 98034#(<= ULTIMATE.start_main_~y~4 171), 98037#(<= ULTIMATE.start_main_~y~4 174), 98036#(<= ULTIMATE.start_main_~y~4 173), 98039#(<= ULTIMATE.start_main_~y~4 176), 98038#(<= ULTIMATE.start_main_~y~4 175), 98041#(<= ULTIMATE.start_main_~y~4 178), 98040#(<= ULTIMATE.start_main_~y~4 177), 98043#(<= ULTIMATE.start_main_~y~4 180), 98042#(<= ULTIMATE.start_main_~y~4 179), 98045#(<= ULTIMATE.start_main_~y~4 182), 98044#(<= ULTIMATE.start_main_~y~4 181), 98047#(<= ULTIMATE.start_main_~y~4 184), 98046#(<= ULTIMATE.start_main_~y~4 183), 98049#(<= ULTIMATE.start_main_~y~4 186), 98048#(<= ULTIMATE.start_main_~y~4 185), 98051#(<= ULTIMATE.start_main_~y~4 188), 98050#(<= ULTIMATE.start_main_~y~4 187), 98053#(<= ULTIMATE.start_main_~y~4 190), 98052#(<= ULTIMATE.start_main_~y~4 189), 98055#(<= ULTIMATE.start_main_~y~4 192), 98054#(<= ULTIMATE.start_main_~y~4 191), 98056#(<= ULTIMATE.start_main_~y~4 193)] [2018-07-23 13:39:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 18721 backedges. 0 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:13,115 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:39:13,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:39:13,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:39:13,119 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 196 states. [2018-07-23 13:39:14,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:14,120 INFO L93 Difference]: Finished difference Result 200 states and 200 transitions. [2018-07-23 13:39:14,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:39:14,120 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 196 [2018-07-23 13:39:14,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:14,120 INFO L225 Difference]: With dead ends: 200 [2018-07-23 13:39:14,120 INFO L226 Difference]: Without dead ends: 198 [2018-07-23 13:39:14,122 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:39:14,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-07-23 13:39:14,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2018-07-23 13:39:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-07-23 13:39:14,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 198 transitions. [2018-07-23 13:39:14,126 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 198 transitions. Word has length 196 [2018-07-23 13:39:14,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:14,126 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 198 transitions. [2018-07-23 13:39:14,126 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:39:14,126 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 198 transitions. [2018-07-23 13:39:14,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-07-23 13:39:14,127 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:14,127 INFO L357 BasicCegarLoop]: trace histogram [194, 1, 1, 1] [2018-07-23 13:39:14,127 INFO L414 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:14,127 INFO L82 PathProgramCache]: Analyzing trace with hash 623087139, now seen corresponding path program 194 times [2018-07-23 13:39:14,127 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:15,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18915 backedges. 0 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:15,088 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:15,088 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:39:15,088 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:15,088 INFO L185 omatonBuilderFactory]: Interpolants [98853#true, 98855#(<= ULTIMATE.start_main_~y~4 0), 98854#false, 98857#(<= ULTIMATE.start_main_~y~4 2), 98856#(<= ULTIMATE.start_main_~y~4 1), 98859#(<= ULTIMATE.start_main_~y~4 4), 98858#(<= ULTIMATE.start_main_~y~4 3), 98861#(<= ULTIMATE.start_main_~y~4 6), 98860#(<= ULTIMATE.start_main_~y~4 5), 98863#(<= ULTIMATE.start_main_~y~4 8), 98862#(<= ULTIMATE.start_main_~y~4 7), 98865#(<= ULTIMATE.start_main_~y~4 10), 98864#(<= ULTIMATE.start_main_~y~4 9), 98867#(<= ULTIMATE.start_main_~y~4 12), 98866#(<= ULTIMATE.start_main_~y~4 11), 98869#(<= ULTIMATE.start_main_~y~4 14), 98868#(<= ULTIMATE.start_main_~y~4 13), 98871#(<= ULTIMATE.start_main_~y~4 16), 98870#(<= ULTIMATE.start_main_~y~4 15), 98873#(<= ULTIMATE.start_main_~y~4 18), 98872#(<= ULTIMATE.start_main_~y~4 17), 98875#(<= ULTIMATE.start_main_~y~4 20), 98874#(<= ULTIMATE.start_main_~y~4 19), 98877#(<= ULTIMATE.start_main_~y~4 22), 98876#(<= ULTIMATE.start_main_~y~4 21), 98879#(<= ULTIMATE.start_main_~y~4 24), 98878#(<= ULTIMATE.start_main_~y~4 23), 98881#(<= ULTIMATE.start_main_~y~4 26), 98880#(<= ULTIMATE.start_main_~y~4 25), 98883#(<= ULTIMATE.start_main_~y~4 28), 98882#(<= ULTIMATE.start_main_~y~4 27), 98885#(<= ULTIMATE.start_main_~y~4 30), 98884#(<= ULTIMATE.start_main_~y~4 29), 98887#(<= ULTIMATE.start_main_~y~4 32), 98886#(<= ULTIMATE.start_main_~y~4 31), 98889#(<= ULTIMATE.start_main_~y~4 34), 98888#(<= ULTIMATE.start_main_~y~4 33), 98891#(<= ULTIMATE.start_main_~y~4 36), 98890#(<= ULTIMATE.start_main_~y~4 35), 98893#(<= ULTIMATE.start_main_~y~4 38), 98892#(<= ULTIMATE.start_main_~y~4 37), 98895#(<= ULTIMATE.start_main_~y~4 40), 98894#(<= ULTIMATE.start_main_~y~4 39), 98897#(<= ULTIMATE.start_main_~y~4 42), 98896#(<= ULTIMATE.start_main_~y~4 41), 98899#(<= ULTIMATE.start_main_~y~4 44), 98898#(<= ULTIMATE.start_main_~y~4 43), 98901#(<= ULTIMATE.start_main_~y~4 46), 98900#(<= ULTIMATE.start_main_~y~4 45), 98903#(<= ULTIMATE.start_main_~y~4 48), 98902#(<= ULTIMATE.start_main_~y~4 47), 98905#(<= ULTIMATE.start_main_~y~4 50), 98904#(<= ULTIMATE.start_main_~y~4 49), 98907#(<= ULTIMATE.start_main_~y~4 52), 98906#(<= ULTIMATE.start_main_~y~4 51), 98909#(<= ULTIMATE.start_main_~y~4 54), 98908#(<= ULTIMATE.start_main_~y~4 53), 98911#(<= ULTIMATE.start_main_~y~4 56), 98910#(<= ULTIMATE.start_main_~y~4 55), 98913#(<= ULTIMATE.start_main_~y~4 58), 98912#(<= ULTIMATE.start_main_~y~4 57), 98915#(<= ULTIMATE.start_main_~y~4 60), 98914#(<= ULTIMATE.start_main_~y~4 59), 98917#(<= ULTIMATE.start_main_~y~4 62), 98916#(<= ULTIMATE.start_main_~y~4 61), 98919#(<= ULTIMATE.start_main_~y~4 64), 98918#(<= ULTIMATE.start_main_~y~4 63), 98921#(<= ULTIMATE.start_main_~y~4 66), 98920#(<= ULTIMATE.start_main_~y~4 65), 98923#(<= ULTIMATE.start_main_~y~4 68), 98922#(<= ULTIMATE.start_main_~y~4 67), 98925#(<= ULTIMATE.start_main_~y~4 70), 98924#(<= ULTIMATE.start_main_~y~4 69), 98927#(<= ULTIMATE.start_main_~y~4 72), 98926#(<= ULTIMATE.start_main_~y~4 71), 98929#(<= ULTIMATE.start_main_~y~4 74), 98928#(<= ULTIMATE.start_main_~y~4 73), 98931#(<= ULTIMATE.start_main_~y~4 76), 98930#(<= ULTIMATE.start_main_~y~4 75), 98933#(<= ULTIMATE.start_main_~y~4 78), 98932#(<= ULTIMATE.start_main_~y~4 77), 98935#(<= ULTIMATE.start_main_~y~4 80), 98934#(<= ULTIMATE.start_main_~y~4 79), 98937#(<= ULTIMATE.start_main_~y~4 82), 98936#(<= ULTIMATE.start_main_~y~4 81), 98939#(<= ULTIMATE.start_main_~y~4 84), 98938#(<= ULTIMATE.start_main_~y~4 83), 98941#(<= ULTIMATE.start_main_~y~4 86), 98940#(<= ULTIMATE.start_main_~y~4 85), 98943#(<= ULTIMATE.start_main_~y~4 88), 98942#(<= ULTIMATE.start_main_~y~4 87), 98945#(<= ULTIMATE.start_main_~y~4 90), 98944#(<= ULTIMATE.start_main_~y~4 89), 98947#(<= ULTIMATE.start_main_~y~4 92), 98946#(<= ULTIMATE.start_main_~y~4 91), 98949#(<= ULTIMATE.start_main_~y~4 94), 98948#(<= ULTIMATE.start_main_~y~4 93), 98951#(<= ULTIMATE.start_main_~y~4 96), 98950#(<= ULTIMATE.start_main_~y~4 95), 98953#(<= ULTIMATE.start_main_~y~4 98), 98952#(<= ULTIMATE.start_main_~y~4 97), 98955#(<= ULTIMATE.start_main_~y~4 100), 98954#(<= ULTIMATE.start_main_~y~4 99), 98957#(<= ULTIMATE.start_main_~y~4 102), 98956#(<= ULTIMATE.start_main_~y~4 101), 98959#(<= ULTIMATE.start_main_~y~4 104), 98958#(<= ULTIMATE.start_main_~y~4 103), 98961#(<= ULTIMATE.start_main_~y~4 106), 98960#(<= ULTIMATE.start_main_~y~4 105), 98963#(<= ULTIMATE.start_main_~y~4 108), 98962#(<= ULTIMATE.start_main_~y~4 107), 98965#(<= ULTIMATE.start_main_~y~4 110), 98964#(<= ULTIMATE.start_main_~y~4 109), 98967#(<= ULTIMATE.start_main_~y~4 112), 98966#(<= ULTIMATE.start_main_~y~4 111), 98969#(<= ULTIMATE.start_main_~y~4 114), 98968#(<= ULTIMATE.start_main_~y~4 113), 98971#(<= ULTIMATE.start_main_~y~4 116), 98970#(<= ULTIMATE.start_main_~y~4 115), 98973#(<= ULTIMATE.start_main_~y~4 118), 98972#(<= ULTIMATE.start_main_~y~4 117), 98975#(<= ULTIMATE.start_main_~y~4 120), 98974#(<= ULTIMATE.start_main_~y~4 119), 98977#(<= ULTIMATE.start_main_~y~4 122), 98976#(<= ULTIMATE.start_main_~y~4 121), 98979#(<= ULTIMATE.start_main_~y~4 124), 98978#(<= ULTIMATE.start_main_~y~4 123), 98981#(<= ULTIMATE.start_main_~y~4 126), 98980#(<= ULTIMATE.start_main_~y~4 125), 98983#(<= ULTIMATE.start_main_~y~4 128), 98982#(<= ULTIMATE.start_main_~y~4 127), 98985#(<= ULTIMATE.start_main_~y~4 130), 98984#(<= ULTIMATE.start_main_~y~4 129), 98987#(<= ULTIMATE.start_main_~y~4 132), 98986#(<= ULTIMATE.start_main_~y~4 131), 98989#(<= ULTIMATE.start_main_~y~4 134), 98988#(<= ULTIMATE.start_main_~y~4 133), 98991#(<= ULTIMATE.start_main_~y~4 136), 98990#(<= ULTIMATE.start_main_~y~4 135), 98993#(<= ULTIMATE.start_main_~y~4 138), 98992#(<= ULTIMATE.start_main_~y~4 137), 98995#(<= ULTIMATE.start_main_~y~4 140), 98994#(<= ULTIMATE.start_main_~y~4 139), 98997#(<= ULTIMATE.start_main_~y~4 142), 98996#(<= ULTIMATE.start_main_~y~4 141), 98999#(<= ULTIMATE.start_main_~y~4 144), 98998#(<= ULTIMATE.start_main_~y~4 143), 99001#(<= ULTIMATE.start_main_~y~4 146), 99000#(<= ULTIMATE.start_main_~y~4 145), 99003#(<= ULTIMATE.start_main_~y~4 148), 99002#(<= ULTIMATE.start_main_~y~4 147), 99005#(<= ULTIMATE.start_main_~y~4 150), 99004#(<= ULTIMATE.start_main_~y~4 149), 99007#(<= ULTIMATE.start_main_~y~4 152), 99006#(<= ULTIMATE.start_main_~y~4 151), 99009#(<= ULTIMATE.start_main_~y~4 154), 99008#(<= ULTIMATE.start_main_~y~4 153), 99011#(<= ULTIMATE.start_main_~y~4 156), 99010#(<= ULTIMATE.start_main_~y~4 155), 99013#(<= ULTIMATE.start_main_~y~4 158), 99012#(<= ULTIMATE.start_main_~y~4 157), 99015#(<= ULTIMATE.start_main_~y~4 160), 99014#(<= ULTIMATE.start_main_~y~4 159), 99017#(<= ULTIMATE.start_main_~y~4 162), 99016#(<= ULTIMATE.start_main_~y~4 161), 99019#(<= ULTIMATE.start_main_~y~4 164), 99018#(<= ULTIMATE.start_main_~y~4 163), 99021#(<= ULTIMATE.start_main_~y~4 166), 99020#(<= ULTIMATE.start_main_~y~4 165), 99023#(<= ULTIMATE.start_main_~y~4 168), 99022#(<= ULTIMATE.start_main_~y~4 167), 99025#(<= ULTIMATE.start_main_~y~4 170), 99024#(<= ULTIMATE.start_main_~y~4 169), 99027#(<= ULTIMATE.start_main_~y~4 172), 99026#(<= ULTIMATE.start_main_~y~4 171), 99029#(<= ULTIMATE.start_main_~y~4 174), 99028#(<= ULTIMATE.start_main_~y~4 173), 99031#(<= ULTIMATE.start_main_~y~4 176), 99030#(<= ULTIMATE.start_main_~y~4 175), 99033#(<= ULTIMATE.start_main_~y~4 178), 99032#(<= ULTIMATE.start_main_~y~4 177), 99035#(<= ULTIMATE.start_main_~y~4 180), 99034#(<= ULTIMATE.start_main_~y~4 179), 99037#(<= ULTIMATE.start_main_~y~4 182), 99036#(<= ULTIMATE.start_main_~y~4 181), 99039#(<= ULTIMATE.start_main_~y~4 184), 99038#(<= ULTIMATE.start_main_~y~4 183), 99041#(<= ULTIMATE.start_main_~y~4 186), 99040#(<= ULTIMATE.start_main_~y~4 185), 99043#(<= ULTIMATE.start_main_~y~4 188), 99042#(<= ULTIMATE.start_main_~y~4 187), 99045#(<= ULTIMATE.start_main_~y~4 190), 99044#(<= ULTIMATE.start_main_~y~4 189), 99047#(<= ULTIMATE.start_main_~y~4 192), 99046#(<= ULTIMATE.start_main_~y~4 191), 99049#(<= ULTIMATE.start_main_~y~4 194), 99048#(<= ULTIMATE.start_main_~y~4 193)] [2018-07-23 13:39:15,089 INFO L134 CoverageAnalysis]: Checked inductivity of 18915 backedges. 0 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:15,089 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:39:15,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:39:15,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:39:15,093 INFO L87 Difference]: Start difference. First operand 198 states and 198 transitions. Second operand 197 states. [2018-07-23 13:39:16,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:16,211 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:39:16,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:39:16,211 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 197 [2018-07-23 13:39:16,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:16,212 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:39:16,212 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:39:16,214 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:39:16,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:39:16,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:39:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:39:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:39:16,216 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 197 [2018-07-23 13:39:16,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:16,216 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:39:16,216 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:39:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:39:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:39:16,217 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:16,217 INFO L357 BasicCegarLoop]: trace histogram [195, 1, 1, 1] [2018-07-23 13:39:16,217 INFO L414 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:16,217 INFO L82 PathProgramCache]: Analyzing trace with hash 2135833932, now seen corresponding path program 195 times [2018-07-23 13:39:16,217 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 19110 backedges. 0 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:17,152 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:17,152 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:39:17,152 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:17,153 INFO L185 omatonBuilderFactory]: Interpolants [99851#false, 99850#true, 99853#(<= ULTIMATE.start_main_~y~4 1), 99852#(<= ULTIMATE.start_main_~y~4 0), 99855#(<= ULTIMATE.start_main_~y~4 3), 99854#(<= ULTIMATE.start_main_~y~4 2), 99857#(<= ULTIMATE.start_main_~y~4 5), 99856#(<= ULTIMATE.start_main_~y~4 4), 99859#(<= ULTIMATE.start_main_~y~4 7), 99858#(<= ULTIMATE.start_main_~y~4 6), 99861#(<= ULTIMATE.start_main_~y~4 9), 99860#(<= ULTIMATE.start_main_~y~4 8), 99863#(<= ULTIMATE.start_main_~y~4 11), 99862#(<= ULTIMATE.start_main_~y~4 10), 99865#(<= ULTIMATE.start_main_~y~4 13), 99864#(<= ULTIMATE.start_main_~y~4 12), 99867#(<= ULTIMATE.start_main_~y~4 15), 99866#(<= ULTIMATE.start_main_~y~4 14), 99869#(<= ULTIMATE.start_main_~y~4 17), 99868#(<= ULTIMATE.start_main_~y~4 16), 99871#(<= ULTIMATE.start_main_~y~4 19), 99870#(<= ULTIMATE.start_main_~y~4 18), 99873#(<= ULTIMATE.start_main_~y~4 21), 99872#(<= ULTIMATE.start_main_~y~4 20), 99875#(<= ULTIMATE.start_main_~y~4 23), 99874#(<= ULTIMATE.start_main_~y~4 22), 99877#(<= ULTIMATE.start_main_~y~4 25), 99876#(<= ULTIMATE.start_main_~y~4 24), 99879#(<= ULTIMATE.start_main_~y~4 27), 99878#(<= ULTIMATE.start_main_~y~4 26), 99881#(<= ULTIMATE.start_main_~y~4 29), 99880#(<= ULTIMATE.start_main_~y~4 28), 99883#(<= ULTIMATE.start_main_~y~4 31), 99882#(<= ULTIMATE.start_main_~y~4 30), 99885#(<= ULTIMATE.start_main_~y~4 33), 99884#(<= ULTIMATE.start_main_~y~4 32), 99887#(<= ULTIMATE.start_main_~y~4 35), 99886#(<= ULTIMATE.start_main_~y~4 34), 99889#(<= ULTIMATE.start_main_~y~4 37), 99888#(<= ULTIMATE.start_main_~y~4 36), 99891#(<= ULTIMATE.start_main_~y~4 39), 99890#(<= ULTIMATE.start_main_~y~4 38), 99893#(<= ULTIMATE.start_main_~y~4 41), 99892#(<= ULTIMATE.start_main_~y~4 40), 99895#(<= ULTIMATE.start_main_~y~4 43), 99894#(<= ULTIMATE.start_main_~y~4 42), 99897#(<= ULTIMATE.start_main_~y~4 45), 99896#(<= ULTIMATE.start_main_~y~4 44), 99899#(<= ULTIMATE.start_main_~y~4 47), 99898#(<= ULTIMATE.start_main_~y~4 46), 99901#(<= ULTIMATE.start_main_~y~4 49), 99900#(<= ULTIMATE.start_main_~y~4 48), 99903#(<= ULTIMATE.start_main_~y~4 51), 99902#(<= ULTIMATE.start_main_~y~4 50), 99905#(<= ULTIMATE.start_main_~y~4 53), 99904#(<= ULTIMATE.start_main_~y~4 52), 99907#(<= ULTIMATE.start_main_~y~4 55), 99906#(<= ULTIMATE.start_main_~y~4 54), 99909#(<= ULTIMATE.start_main_~y~4 57), 99908#(<= ULTIMATE.start_main_~y~4 56), 99911#(<= ULTIMATE.start_main_~y~4 59), 99910#(<= ULTIMATE.start_main_~y~4 58), 99913#(<= ULTIMATE.start_main_~y~4 61), 99912#(<= ULTIMATE.start_main_~y~4 60), 99915#(<= ULTIMATE.start_main_~y~4 63), 99914#(<= ULTIMATE.start_main_~y~4 62), 99917#(<= ULTIMATE.start_main_~y~4 65), 99916#(<= ULTIMATE.start_main_~y~4 64), 99919#(<= ULTIMATE.start_main_~y~4 67), 99918#(<= ULTIMATE.start_main_~y~4 66), 99921#(<= ULTIMATE.start_main_~y~4 69), 99920#(<= ULTIMATE.start_main_~y~4 68), 99923#(<= ULTIMATE.start_main_~y~4 71), 99922#(<= ULTIMATE.start_main_~y~4 70), 99925#(<= ULTIMATE.start_main_~y~4 73), 99924#(<= ULTIMATE.start_main_~y~4 72), 99927#(<= ULTIMATE.start_main_~y~4 75), 99926#(<= ULTIMATE.start_main_~y~4 74), 99929#(<= ULTIMATE.start_main_~y~4 77), 99928#(<= ULTIMATE.start_main_~y~4 76), 99931#(<= ULTIMATE.start_main_~y~4 79), 99930#(<= ULTIMATE.start_main_~y~4 78), 99933#(<= ULTIMATE.start_main_~y~4 81), 99932#(<= ULTIMATE.start_main_~y~4 80), 99935#(<= ULTIMATE.start_main_~y~4 83), 99934#(<= ULTIMATE.start_main_~y~4 82), 99937#(<= ULTIMATE.start_main_~y~4 85), 99936#(<= ULTIMATE.start_main_~y~4 84), 99939#(<= ULTIMATE.start_main_~y~4 87), 99938#(<= ULTIMATE.start_main_~y~4 86), 99941#(<= ULTIMATE.start_main_~y~4 89), 99940#(<= ULTIMATE.start_main_~y~4 88), 99943#(<= ULTIMATE.start_main_~y~4 91), 99942#(<= ULTIMATE.start_main_~y~4 90), 99945#(<= ULTIMATE.start_main_~y~4 93), 99944#(<= ULTIMATE.start_main_~y~4 92), 99947#(<= ULTIMATE.start_main_~y~4 95), 99946#(<= ULTIMATE.start_main_~y~4 94), 99949#(<= ULTIMATE.start_main_~y~4 97), 99948#(<= ULTIMATE.start_main_~y~4 96), 99951#(<= ULTIMATE.start_main_~y~4 99), 99950#(<= ULTIMATE.start_main_~y~4 98), 99953#(<= ULTIMATE.start_main_~y~4 101), 99952#(<= ULTIMATE.start_main_~y~4 100), 99955#(<= ULTIMATE.start_main_~y~4 103), 99954#(<= ULTIMATE.start_main_~y~4 102), 99957#(<= ULTIMATE.start_main_~y~4 105), 99956#(<= ULTIMATE.start_main_~y~4 104), 99959#(<= ULTIMATE.start_main_~y~4 107), 99958#(<= ULTIMATE.start_main_~y~4 106), 99961#(<= ULTIMATE.start_main_~y~4 109), 99960#(<= ULTIMATE.start_main_~y~4 108), 99963#(<= ULTIMATE.start_main_~y~4 111), 99962#(<= ULTIMATE.start_main_~y~4 110), 99965#(<= ULTIMATE.start_main_~y~4 113), 99964#(<= ULTIMATE.start_main_~y~4 112), 99967#(<= ULTIMATE.start_main_~y~4 115), 99966#(<= ULTIMATE.start_main_~y~4 114), 99969#(<= ULTIMATE.start_main_~y~4 117), 99968#(<= ULTIMATE.start_main_~y~4 116), 99971#(<= ULTIMATE.start_main_~y~4 119), 99970#(<= ULTIMATE.start_main_~y~4 118), 99973#(<= ULTIMATE.start_main_~y~4 121), 99972#(<= ULTIMATE.start_main_~y~4 120), 99975#(<= ULTIMATE.start_main_~y~4 123), 99974#(<= ULTIMATE.start_main_~y~4 122), 99977#(<= ULTIMATE.start_main_~y~4 125), 99976#(<= ULTIMATE.start_main_~y~4 124), 99979#(<= ULTIMATE.start_main_~y~4 127), 99978#(<= ULTIMATE.start_main_~y~4 126), 99981#(<= ULTIMATE.start_main_~y~4 129), 99980#(<= ULTIMATE.start_main_~y~4 128), 99983#(<= ULTIMATE.start_main_~y~4 131), 99982#(<= ULTIMATE.start_main_~y~4 130), 99985#(<= ULTIMATE.start_main_~y~4 133), 99984#(<= ULTIMATE.start_main_~y~4 132), 99987#(<= ULTIMATE.start_main_~y~4 135), 99986#(<= ULTIMATE.start_main_~y~4 134), 99989#(<= ULTIMATE.start_main_~y~4 137), 99988#(<= ULTIMATE.start_main_~y~4 136), 99991#(<= ULTIMATE.start_main_~y~4 139), 99990#(<= ULTIMATE.start_main_~y~4 138), 99993#(<= ULTIMATE.start_main_~y~4 141), 99992#(<= ULTIMATE.start_main_~y~4 140), 99995#(<= ULTIMATE.start_main_~y~4 143), 99994#(<= ULTIMATE.start_main_~y~4 142), 99997#(<= ULTIMATE.start_main_~y~4 145), 99996#(<= ULTIMATE.start_main_~y~4 144), 99999#(<= ULTIMATE.start_main_~y~4 147), 99998#(<= ULTIMATE.start_main_~y~4 146), 100001#(<= ULTIMATE.start_main_~y~4 149), 100000#(<= ULTIMATE.start_main_~y~4 148), 100003#(<= ULTIMATE.start_main_~y~4 151), 100002#(<= ULTIMATE.start_main_~y~4 150), 100005#(<= ULTIMATE.start_main_~y~4 153), 100004#(<= ULTIMATE.start_main_~y~4 152), 100007#(<= ULTIMATE.start_main_~y~4 155), 100006#(<= ULTIMATE.start_main_~y~4 154), 100009#(<= ULTIMATE.start_main_~y~4 157), 100008#(<= ULTIMATE.start_main_~y~4 156), 100011#(<= ULTIMATE.start_main_~y~4 159), 100010#(<= ULTIMATE.start_main_~y~4 158), 100013#(<= ULTIMATE.start_main_~y~4 161), 100012#(<= ULTIMATE.start_main_~y~4 160), 100015#(<= ULTIMATE.start_main_~y~4 163), 100014#(<= ULTIMATE.start_main_~y~4 162), 100017#(<= ULTIMATE.start_main_~y~4 165), 100016#(<= ULTIMATE.start_main_~y~4 164), 100019#(<= ULTIMATE.start_main_~y~4 167), 100018#(<= ULTIMATE.start_main_~y~4 166), 100021#(<= ULTIMATE.start_main_~y~4 169), 100020#(<= ULTIMATE.start_main_~y~4 168), 100023#(<= ULTIMATE.start_main_~y~4 171), 100022#(<= ULTIMATE.start_main_~y~4 170), 100025#(<= ULTIMATE.start_main_~y~4 173), 100024#(<= ULTIMATE.start_main_~y~4 172), 100027#(<= ULTIMATE.start_main_~y~4 175), 100026#(<= ULTIMATE.start_main_~y~4 174), 100029#(<= ULTIMATE.start_main_~y~4 177), 100028#(<= ULTIMATE.start_main_~y~4 176), 100031#(<= ULTIMATE.start_main_~y~4 179), 100030#(<= ULTIMATE.start_main_~y~4 178), 100033#(<= ULTIMATE.start_main_~y~4 181), 100032#(<= ULTIMATE.start_main_~y~4 180), 100035#(<= ULTIMATE.start_main_~y~4 183), 100034#(<= ULTIMATE.start_main_~y~4 182), 100037#(<= ULTIMATE.start_main_~y~4 185), 100036#(<= ULTIMATE.start_main_~y~4 184), 100039#(<= ULTIMATE.start_main_~y~4 187), 100038#(<= ULTIMATE.start_main_~y~4 186), 100041#(<= ULTIMATE.start_main_~y~4 189), 100040#(<= ULTIMATE.start_main_~y~4 188), 100043#(<= ULTIMATE.start_main_~y~4 191), 100042#(<= ULTIMATE.start_main_~y~4 190), 100045#(<= ULTIMATE.start_main_~y~4 193), 100044#(<= ULTIMATE.start_main_~y~4 192), 100047#(<= ULTIMATE.start_main_~y~4 195), 100046#(<= ULTIMATE.start_main_~y~4 194)] [2018-07-23 13:39:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 19110 backedges. 0 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:17,154 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:39:17,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:39:17,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:39:17,158 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 198 states. [2018-07-23 13:39:18,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:18,364 INFO L93 Difference]: Finished difference Result 202 states and 202 transitions. [2018-07-23 13:39:18,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:39:18,364 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 198 [2018-07-23 13:39:18,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:18,364 INFO L225 Difference]: With dead ends: 202 [2018-07-23 13:39:18,364 INFO L226 Difference]: Without dead ends: 200 [2018-07-23 13:39:18,366 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:39:18,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-07-23 13:39:18,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2018-07-23 13:39:18,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-07-23 13:39:18,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 200 transitions. [2018-07-23 13:39:18,368 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 200 transitions. Word has length 198 [2018-07-23 13:39:18,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:18,368 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 200 transitions. [2018-07-23 13:39:18,368 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:39:18,369 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 200 transitions. [2018-07-23 13:39:18,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-07-23 13:39:18,369 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:18,369 INFO L357 BasicCegarLoop]: trace histogram [196, 1, 1, 1] [2018-07-23 13:39:18,369 INFO L414 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:18,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1786344259, now seen corresponding path program 196 times [2018-07-23 13:39:18,369 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 19306 backedges. 0 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:19,207 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:19,207 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:39:19,208 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:19,208 INFO L185 omatonBuilderFactory]: Interpolants [100865#(<= ULTIMATE.start_main_~y~4 11), 100864#(<= ULTIMATE.start_main_~y~4 10), 100867#(<= ULTIMATE.start_main_~y~4 13), 100866#(<= ULTIMATE.start_main_~y~4 12), 100869#(<= ULTIMATE.start_main_~y~4 15), 100868#(<= ULTIMATE.start_main_~y~4 14), 100871#(<= ULTIMATE.start_main_~y~4 17), 100870#(<= ULTIMATE.start_main_~y~4 16), 100873#(<= ULTIMATE.start_main_~y~4 19), 100872#(<= ULTIMATE.start_main_~y~4 18), 100875#(<= ULTIMATE.start_main_~y~4 21), 100874#(<= ULTIMATE.start_main_~y~4 20), 100877#(<= ULTIMATE.start_main_~y~4 23), 100876#(<= ULTIMATE.start_main_~y~4 22), 100879#(<= ULTIMATE.start_main_~y~4 25), 100878#(<= ULTIMATE.start_main_~y~4 24), 100881#(<= ULTIMATE.start_main_~y~4 27), 100880#(<= ULTIMATE.start_main_~y~4 26), 100883#(<= ULTIMATE.start_main_~y~4 29), 100882#(<= ULTIMATE.start_main_~y~4 28), 100885#(<= ULTIMATE.start_main_~y~4 31), 100884#(<= ULTIMATE.start_main_~y~4 30), 100887#(<= ULTIMATE.start_main_~y~4 33), 100886#(<= ULTIMATE.start_main_~y~4 32), 100889#(<= ULTIMATE.start_main_~y~4 35), 100888#(<= ULTIMATE.start_main_~y~4 34), 100891#(<= ULTIMATE.start_main_~y~4 37), 100890#(<= ULTIMATE.start_main_~y~4 36), 100893#(<= ULTIMATE.start_main_~y~4 39), 100892#(<= ULTIMATE.start_main_~y~4 38), 100895#(<= ULTIMATE.start_main_~y~4 41), 100894#(<= ULTIMATE.start_main_~y~4 40), 100897#(<= ULTIMATE.start_main_~y~4 43), 100896#(<= ULTIMATE.start_main_~y~4 42), 100899#(<= ULTIMATE.start_main_~y~4 45), 100898#(<= ULTIMATE.start_main_~y~4 44), 100901#(<= ULTIMATE.start_main_~y~4 47), 100900#(<= ULTIMATE.start_main_~y~4 46), 100903#(<= ULTIMATE.start_main_~y~4 49), 100902#(<= ULTIMATE.start_main_~y~4 48), 100905#(<= ULTIMATE.start_main_~y~4 51), 100904#(<= ULTIMATE.start_main_~y~4 50), 100907#(<= ULTIMATE.start_main_~y~4 53), 100906#(<= ULTIMATE.start_main_~y~4 52), 100909#(<= ULTIMATE.start_main_~y~4 55), 100908#(<= ULTIMATE.start_main_~y~4 54), 100911#(<= ULTIMATE.start_main_~y~4 57), 100910#(<= ULTIMATE.start_main_~y~4 56), 100913#(<= ULTIMATE.start_main_~y~4 59), 100912#(<= ULTIMATE.start_main_~y~4 58), 100915#(<= ULTIMATE.start_main_~y~4 61), 100914#(<= ULTIMATE.start_main_~y~4 60), 100917#(<= ULTIMATE.start_main_~y~4 63), 100916#(<= ULTIMATE.start_main_~y~4 62), 100919#(<= ULTIMATE.start_main_~y~4 65), 100918#(<= ULTIMATE.start_main_~y~4 64), 100921#(<= ULTIMATE.start_main_~y~4 67), 100920#(<= ULTIMATE.start_main_~y~4 66), 100923#(<= ULTIMATE.start_main_~y~4 69), 100922#(<= ULTIMATE.start_main_~y~4 68), 100925#(<= ULTIMATE.start_main_~y~4 71), 100924#(<= ULTIMATE.start_main_~y~4 70), 100927#(<= ULTIMATE.start_main_~y~4 73), 100926#(<= ULTIMATE.start_main_~y~4 72), 100929#(<= ULTIMATE.start_main_~y~4 75), 100928#(<= ULTIMATE.start_main_~y~4 74), 100931#(<= ULTIMATE.start_main_~y~4 77), 100930#(<= ULTIMATE.start_main_~y~4 76), 100933#(<= ULTIMATE.start_main_~y~4 79), 100932#(<= ULTIMATE.start_main_~y~4 78), 100935#(<= ULTIMATE.start_main_~y~4 81), 100934#(<= ULTIMATE.start_main_~y~4 80), 100937#(<= ULTIMATE.start_main_~y~4 83), 100936#(<= ULTIMATE.start_main_~y~4 82), 100939#(<= ULTIMATE.start_main_~y~4 85), 100938#(<= ULTIMATE.start_main_~y~4 84), 100941#(<= ULTIMATE.start_main_~y~4 87), 100940#(<= ULTIMATE.start_main_~y~4 86), 100943#(<= ULTIMATE.start_main_~y~4 89), 100942#(<= ULTIMATE.start_main_~y~4 88), 100945#(<= ULTIMATE.start_main_~y~4 91), 100944#(<= ULTIMATE.start_main_~y~4 90), 100947#(<= ULTIMATE.start_main_~y~4 93), 100946#(<= ULTIMATE.start_main_~y~4 92), 100949#(<= ULTIMATE.start_main_~y~4 95), 100948#(<= ULTIMATE.start_main_~y~4 94), 100951#(<= ULTIMATE.start_main_~y~4 97), 100950#(<= ULTIMATE.start_main_~y~4 96), 100953#(<= ULTIMATE.start_main_~y~4 99), 100952#(<= ULTIMATE.start_main_~y~4 98), 100955#(<= ULTIMATE.start_main_~y~4 101), 100954#(<= ULTIMATE.start_main_~y~4 100), 100957#(<= ULTIMATE.start_main_~y~4 103), 100956#(<= ULTIMATE.start_main_~y~4 102), 100959#(<= ULTIMATE.start_main_~y~4 105), 100958#(<= ULTIMATE.start_main_~y~4 104), 100961#(<= ULTIMATE.start_main_~y~4 107), 100960#(<= ULTIMATE.start_main_~y~4 106), 100963#(<= ULTIMATE.start_main_~y~4 109), 100962#(<= ULTIMATE.start_main_~y~4 108), 100965#(<= ULTIMATE.start_main_~y~4 111), 100964#(<= ULTIMATE.start_main_~y~4 110), 100967#(<= ULTIMATE.start_main_~y~4 113), 100966#(<= ULTIMATE.start_main_~y~4 112), 100969#(<= ULTIMATE.start_main_~y~4 115), 100968#(<= ULTIMATE.start_main_~y~4 114), 100971#(<= ULTIMATE.start_main_~y~4 117), 100970#(<= ULTIMATE.start_main_~y~4 116), 100973#(<= ULTIMATE.start_main_~y~4 119), 100972#(<= ULTIMATE.start_main_~y~4 118), 100975#(<= ULTIMATE.start_main_~y~4 121), 100974#(<= ULTIMATE.start_main_~y~4 120), 100977#(<= ULTIMATE.start_main_~y~4 123), 100976#(<= ULTIMATE.start_main_~y~4 122), 100979#(<= ULTIMATE.start_main_~y~4 125), 100978#(<= ULTIMATE.start_main_~y~4 124), 100981#(<= ULTIMATE.start_main_~y~4 127), 100980#(<= ULTIMATE.start_main_~y~4 126), 100983#(<= ULTIMATE.start_main_~y~4 129), 100982#(<= ULTIMATE.start_main_~y~4 128), 100985#(<= ULTIMATE.start_main_~y~4 131), 100984#(<= ULTIMATE.start_main_~y~4 130), 100987#(<= ULTIMATE.start_main_~y~4 133), 100986#(<= ULTIMATE.start_main_~y~4 132), 100989#(<= ULTIMATE.start_main_~y~4 135), 100988#(<= ULTIMATE.start_main_~y~4 134), 100991#(<= ULTIMATE.start_main_~y~4 137), 100990#(<= ULTIMATE.start_main_~y~4 136), 100993#(<= ULTIMATE.start_main_~y~4 139), 100992#(<= ULTIMATE.start_main_~y~4 138), 100995#(<= ULTIMATE.start_main_~y~4 141), 100994#(<= ULTIMATE.start_main_~y~4 140), 100997#(<= ULTIMATE.start_main_~y~4 143), 100996#(<= ULTIMATE.start_main_~y~4 142), 100999#(<= ULTIMATE.start_main_~y~4 145), 100998#(<= ULTIMATE.start_main_~y~4 144), 101001#(<= ULTIMATE.start_main_~y~4 147), 101000#(<= ULTIMATE.start_main_~y~4 146), 101003#(<= ULTIMATE.start_main_~y~4 149), 101002#(<= ULTIMATE.start_main_~y~4 148), 101005#(<= ULTIMATE.start_main_~y~4 151), 101004#(<= ULTIMATE.start_main_~y~4 150), 101007#(<= ULTIMATE.start_main_~y~4 153), 101006#(<= ULTIMATE.start_main_~y~4 152), 101009#(<= ULTIMATE.start_main_~y~4 155), 101008#(<= ULTIMATE.start_main_~y~4 154), 101011#(<= ULTIMATE.start_main_~y~4 157), 101010#(<= ULTIMATE.start_main_~y~4 156), 101013#(<= ULTIMATE.start_main_~y~4 159), 101012#(<= ULTIMATE.start_main_~y~4 158), 101015#(<= ULTIMATE.start_main_~y~4 161), 101014#(<= ULTIMATE.start_main_~y~4 160), 101017#(<= ULTIMATE.start_main_~y~4 163), 101016#(<= ULTIMATE.start_main_~y~4 162), 101019#(<= ULTIMATE.start_main_~y~4 165), 101018#(<= ULTIMATE.start_main_~y~4 164), 101021#(<= ULTIMATE.start_main_~y~4 167), 101020#(<= ULTIMATE.start_main_~y~4 166), 101023#(<= ULTIMATE.start_main_~y~4 169), 101022#(<= ULTIMATE.start_main_~y~4 168), 101025#(<= ULTIMATE.start_main_~y~4 171), 101024#(<= ULTIMATE.start_main_~y~4 170), 101027#(<= ULTIMATE.start_main_~y~4 173), 101026#(<= ULTIMATE.start_main_~y~4 172), 101029#(<= ULTIMATE.start_main_~y~4 175), 101028#(<= ULTIMATE.start_main_~y~4 174), 101031#(<= ULTIMATE.start_main_~y~4 177), 101030#(<= ULTIMATE.start_main_~y~4 176), 101033#(<= ULTIMATE.start_main_~y~4 179), 101032#(<= ULTIMATE.start_main_~y~4 178), 101035#(<= ULTIMATE.start_main_~y~4 181), 101034#(<= ULTIMATE.start_main_~y~4 180), 101037#(<= ULTIMATE.start_main_~y~4 183), 101036#(<= ULTIMATE.start_main_~y~4 182), 101039#(<= ULTIMATE.start_main_~y~4 185), 101038#(<= ULTIMATE.start_main_~y~4 184), 101041#(<= ULTIMATE.start_main_~y~4 187), 101040#(<= ULTIMATE.start_main_~y~4 186), 101043#(<= ULTIMATE.start_main_~y~4 189), 101042#(<= ULTIMATE.start_main_~y~4 188), 101045#(<= ULTIMATE.start_main_~y~4 191), 101044#(<= ULTIMATE.start_main_~y~4 190), 101047#(<= ULTIMATE.start_main_~y~4 193), 101046#(<= ULTIMATE.start_main_~y~4 192), 101049#(<= ULTIMATE.start_main_~y~4 195), 101048#(<= ULTIMATE.start_main_~y~4 194), 101050#(<= ULTIMATE.start_main_~y~4 196), 100853#false, 100852#true, 100855#(<= ULTIMATE.start_main_~y~4 1), 100854#(<= ULTIMATE.start_main_~y~4 0), 100857#(<= ULTIMATE.start_main_~y~4 3), 100856#(<= ULTIMATE.start_main_~y~4 2), 100859#(<= ULTIMATE.start_main_~y~4 5), 100858#(<= ULTIMATE.start_main_~y~4 4), 100861#(<= ULTIMATE.start_main_~y~4 7), 100860#(<= ULTIMATE.start_main_~y~4 6), 100863#(<= ULTIMATE.start_main_~y~4 9), 100862#(<= ULTIMATE.start_main_~y~4 8)] [2018-07-23 13:39:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 19306 backedges. 0 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:19,209 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:39:19,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:39:19,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:39:19,213 INFO L87 Difference]: Start difference. First operand 200 states and 200 transitions. Second operand 199 states. [2018-07-23 13:39:20,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:20,165 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:39:20,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:39:20,166 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 199 [2018-07-23 13:39:20,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:20,166 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:39:20,166 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:39:20,169 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:39:20,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:39:20,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:39:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:39:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:39:20,172 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 199 [2018-07-23 13:39:20,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:20,173 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:39:20,173 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:39:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:39:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:39:20,174 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:20,174 INFO L357 BasicCegarLoop]: trace histogram [197, 1, 1, 1] [2018-07-23 13:39:20,174 INFO L414 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:20,174 INFO L82 PathProgramCache]: Analyzing trace with hash -457901012, now seen corresponding path program 197 times [2018-07-23 13:39:20,174 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 19503 backedges. 0 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:21,229 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:21,229 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:39:21,229 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:21,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:21,230 INFO L185 omatonBuilderFactory]: Interpolants [101889#(<= ULTIMATE.start_main_~y~4 28), 101888#(<= ULTIMATE.start_main_~y~4 27), 101891#(<= ULTIMATE.start_main_~y~4 30), 101890#(<= ULTIMATE.start_main_~y~4 29), 101893#(<= ULTIMATE.start_main_~y~4 32), 101892#(<= ULTIMATE.start_main_~y~4 31), 101895#(<= ULTIMATE.start_main_~y~4 34), 101894#(<= ULTIMATE.start_main_~y~4 33), 101897#(<= ULTIMATE.start_main_~y~4 36), 101896#(<= ULTIMATE.start_main_~y~4 35), 101899#(<= ULTIMATE.start_main_~y~4 38), 101898#(<= ULTIMATE.start_main_~y~4 37), 101901#(<= ULTIMATE.start_main_~y~4 40), 101900#(<= ULTIMATE.start_main_~y~4 39), 101903#(<= ULTIMATE.start_main_~y~4 42), 101902#(<= ULTIMATE.start_main_~y~4 41), 101905#(<= ULTIMATE.start_main_~y~4 44), 101904#(<= ULTIMATE.start_main_~y~4 43), 101907#(<= ULTIMATE.start_main_~y~4 46), 101906#(<= ULTIMATE.start_main_~y~4 45), 101909#(<= ULTIMATE.start_main_~y~4 48), 101908#(<= ULTIMATE.start_main_~y~4 47), 101911#(<= ULTIMATE.start_main_~y~4 50), 101910#(<= ULTIMATE.start_main_~y~4 49), 101913#(<= ULTIMATE.start_main_~y~4 52), 101912#(<= ULTIMATE.start_main_~y~4 51), 101915#(<= ULTIMATE.start_main_~y~4 54), 101914#(<= ULTIMATE.start_main_~y~4 53), 101917#(<= ULTIMATE.start_main_~y~4 56), 101916#(<= ULTIMATE.start_main_~y~4 55), 101919#(<= ULTIMATE.start_main_~y~4 58), 101918#(<= ULTIMATE.start_main_~y~4 57), 101921#(<= ULTIMATE.start_main_~y~4 60), 101920#(<= ULTIMATE.start_main_~y~4 59), 101923#(<= ULTIMATE.start_main_~y~4 62), 101922#(<= ULTIMATE.start_main_~y~4 61), 101925#(<= ULTIMATE.start_main_~y~4 64), 101924#(<= ULTIMATE.start_main_~y~4 63), 101927#(<= ULTIMATE.start_main_~y~4 66), 101926#(<= ULTIMATE.start_main_~y~4 65), 101929#(<= ULTIMATE.start_main_~y~4 68), 101928#(<= ULTIMATE.start_main_~y~4 67), 101931#(<= ULTIMATE.start_main_~y~4 70), 101930#(<= ULTIMATE.start_main_~y~4 69), 101933#(<= ULTIMATE.start_main_~y~4 72), 101932#(<= ULTIMATE.start_main_~y~4 71), 101935#(<= ULTIMATE.start_main_~y~4 74), 101934#(<= ULTIMATE.start_main_~y~4 73), 101937#(<= ULTIMATE.start_main_~y~4 76), 101936#(<= ULTIMATE.start_main_~y~4 75), 101939#(<= ULTIMATE.start_main_~y~4 78), 101938#(<= ULTIMATE.start_main_~y~4 77), 101941#(<= ULTIMATE.start_main_~y~4 80), 101940#(<= ULTIMATE.start_main_~y~4 79), 101943#(<= ULTIMATE.start_main_~y~4 82), 101942#(<= ULTIMATE.start_main_~y~4 81), 101945#(<= ULTIMATE.start_main_~y~4 84), 101944#(<= ULTIMATE.start_main_~y~4 83), 101947#(<= ULTIMATE.start_main_~y~4 86), 101946#(<= ULTIMATE.start_main_~y~4 85), 101949#(<= ULTIMATE.start_main_~y~4 88), 101948#(<= ULTIMATE.start_main_~y~4 87), 101951#(<= ULTIMATE.start_main_~y~4 90), 101950#(<= ULTIMATE.start_main_~y~4 89), 101953#(<= ULTIMATE.start_main_~y~4 92), 101952#(<= ULTIMATE.start_main_~y~4 91), 101955#(<= ULTIMATE.start_main_~y~4 94), 101954#(<= ULTIMATE.start_main_~y~4 93), 101957#(<= ULTIMATE.start_main_~y~4 96), 101956#(<= ULTIMATE.start_main_~y~4 95), 101959#(<= ULTIMATE.start_main_~y~4 98), 101958#(<= ULTIMATE.start_main_~y~4 97), 101961#(<= ULTIMATE.start_main_~y~4 100), 101960#(<= ULTIMATE.start_main_~y~4 99), 101963#(<= ULTIMATE.start_main_~y~4 102), 101962#(<= ULTIMATE.start_main_~y~4 101), 101965#(<= ULTIMATE.start_main_~y~4 104), 101964#(<= ULTIMATE.start_main_~y~4 103), 101967#(<= ULTIMATE.start_main_~y~4 106), 101966#(<= ULTIMATE.start_main_~y~4 105), 101969#(<= ULTIMATE.start_main_~y~4 108), 101968#(<= ULTIMATE.start_main_~y~4 107), 101971#(<= ULTIMATE.start_main_~y~4 110), 101970#(<= ULTIMATE.start_main_~y~4 109), 101973#(<= ULTIMATE.start_main_~y~4 112), 101972#(<= ULTIMATE.start_main_~y~4 111), 101975#(<= ULTIMATE.start_main_~y~4 114), 101974#(<= ULTIMATE.start_main_~y~4 113), 101977#(<= ULTIMATE.start_main_~y~4 116), 101976#(<= ULTIMATE.start_main_~y~4 115), 101979#(<= ULTIMATE.start_main_~y~4 118), 101978#(<= ULTIMATE.start_main_~y~4 117), 101981#(<= ULTIMATE.start_main_~y~4 120), 101980#(<= ULTIMATE.start_main_~y~4 119), 101983#(<= ULTIMATE.start_main_~y~4 122), 101982#(<= ULTIMATE.start_main_~y~4 121), 101985#(<= ULTIMATE.start_main_~y~4 124), 101984#(<= ULTIMATE.start_main_~y~4 123), 101987#(<= ULTIMATE.start_main_~y~4 126), 101986#(<= ULTIMATE.start_main_~y~4 125), 101989#(<= ULTIMATE.start_main_~y~4 128), 101988#(<= ULTIMATE.start_main_~y~4 127), 101991#(<= ULTIMATE.start_main_~y~4 130), 101990#(<= ULTIMATE.start_main_~y~4 129), 101993#(<= ULTIMATE.start_main_~y~4 132), 101992#(<= ULTIMATE.start_main_~y~4 131), 101995#(<= ULTIMATE.start_main_~y~4 134), 101994#(<= ULTIMATE.start_main_~y~4 133), 101997#(<= ULTIMATE.start_main_~y~4 136), 101996#(<= ULTIMATE.start_main_~y~4 135), 101999#(<= ULTIMATE.start_main_~y~4 138), 101998#(<= ULTIMATE.start_main_~y~4 137), 102001#(<= ULTIMATE.start_main_~y~4 140), 102000#(<= ULTIMATE.start_main_~y~4 139), 102003#(<= ULTIMATE.start_main_~y~4 142), 102002#(<= ULTIMATE.start_main_~y~4 141), 102005#(<= ULTIMATE.start_main_~y~4 144), 102004#(<= ULTIMATE.start_main_~y~4 143), 102007#(<= ULTIMATE.start_main_~y~4 146), 102006#(<= ULTIMATE.start_main_~y~4 145), 102009#(<= ULTIMATE.start_main_~y~4 148), 102008#(<= ULTIMATE.start_main_~y~4 147), 102011#(<= ULTIMATE.start_main_~y~4 150), 102010#(<= ULTIMATE.start_main_~y~4 149), 102013#(<= ULTIMATE.start_main_~y~4 152), 102012#(<= ULTIMATE.start_main_~y~4 151), 102015#(<= ULTIMATE.start_main_~y~4 154), 102014#(<= ULTIMATE.start_main_~y~4 153), 102017#(<= ULTIMATE.start_main_~y~4 156), 102016#(<= ULTIMATE.start_main_~y~4 155), 102019#(<= ULTIMATE.start_main_~y~4 158), 102018#(<= ULTIMATE.start_main_~y~4 157), 102021#(<= ULTIMATE.start_main_~y~4 160), 102020#(<= ULTIMATE.start_main_~y~4 159), 102023#(<= ULTIMATE.start_main_~y~4 162), 102022#(<= ULTIMATE.start_main_~y~4 161), 102025#(<= ULTIMATE.start_main_~y~4 164), 102024#(<= ULTIMATE.start_main_~y~4 163), 102027#(<= ULTIMATE.start_main_~y~4 166), 102026#(<= ULTIMATE.start_main_~y~4 165), 102029#(<= ULTIMATE.start_main_~y~4 168), 102028#(<= ULTIMATE.start_main_~y~4 167), 102031#(<= ULTIMATE.start_main_~y~4 170), 102030#(<= ULTIMATE.start_main_~y~4 169), 102033#(<= ULTIMATE.start_main_~y~4 172), 102032#(<= ULTIMATE.start_main_~y~4 171), 102035#(<= ULTIMATE.start_main_~y~4 174), 102034#(<= ULTIMATE.start_main_~y~4 173), 102037#(<= ULTIMATE.start_main_~y~4 176), 102036#(<= ULTIMATE.start_main_~y~4 175), 102039#(<= ULTIMATE.start_main_~y~4 178), 102038#(<= ULTIMATE.start_main_~y~4 177), 102041#(<= ULTIMATE.start_main_~y~4 180), 102040#(<= ULTIMATE.start_main_~y~4 179), 102043#(<= ULTIMATE.start_main_~y~4 182), 102042#(<= ULTIMATE.start_main_~y~4 181), 102045#(<= ULTIMATE.start_main_~y~4 184), 102044#(<= ULTIMATE.start_main_~y~4 183), 102047#(<= ULTIMATE.start_main_~y~4 186), 102046#(<= ULTIMATE.start_main_~y~4 185), 102049#(<= ULTIMATE.start_main_~y~4 188), 102048#(<= ULTIMATE.start_main_~y~4 187), 102051#(<= ULTIMATE.start_main_~y~4 190), 102050#(<= ULTIMATE.start_main_~y~4 189), 102053#(<= ULTIMATE.start_main_~y~4 192), 102052#(<= ULTIMATE.start_main_~y~4 191), 102055#(<= ULTIMATE.start_main_~y~4 194), 102054#(<= ULTIMATE.start_main_~y~4 193), 102057#(<= ULTIMATE.start_main_~y~4 196), 102056#(<= ULTIMATE.start_main_~y~4 195), 102058#(<= ULTIMATE.start_main_~y~4 197), 101859#true, 101861#(<= ULTIMATE.start_main_~y~4 0), 101860#false, 101863#(<= ULTIMATE.start_main_~y~4 2), 101862#(<= ULTIMATE.start_main_~y~4 1), 101865#(<= ULTIMATE.start_main_~y~4 4), 101864#(<= ULTIMATE.start_main_~y~4 3), 101867#(<= ULTIMATE.start_main_~y~4 6), 101866#(<= ULTIMATE.start_main_~y~4 5), 101869#(<= ULTIMATE.start_main_~y~4 8), 101868#(<= ULTIMATE.start_main_~y~4 7), 101871#(<= ULTIMATE.start_main_~y~4 10), 101870#(<= ULTIMATE.start_main_~y~4 9), 101873#(<= ULTIMATE.start_main_~y~4 12), 101872#(<= ULTIMATE.start_main_~y~4 11), 101875#(<= ULTIMATE.start_main_~y~4 14), 101874#(<= ULTIMATE.start_main_~y~4 13), 101877#(<= ULTIMATE.start_main_~y~4 16), 101876#(<= ULTIMATE.start_main_~y~4 15), 101879#(<= ULTIMATE.start_main_~y~4 18), 101878#(<= ULTIMATE.start_main_~y~4 17), 101881#(<= ULTIMATE.start_main_~y~4 20), 101880#(<= ULTIMATE.start_main_~y~4 19), 101883#(<= ULTIMATE.start_main_~y~4 22), 101882#(<= ULTIMATE.start_main_~y~4 21), 101885#(<= ULTIMATE.start_main_~y~4 24), 101884#(<= ULTIMATE.start_main_~y~4 23), 101887#(<= ULTIMATE.start_main_~y~4 26), 101886#(<= ULTIMATE.start_main_~y~4 25)] [2018-07-23 13:39:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 19503 backedges. 0 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:21,231 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:39:21,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:39:21,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:39:21,235 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 200 states. [2018-07-23 13:39:22,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:22,298 INFO L93 Difference]: Finished difference Result 204 states and 204 transitions. [2018-07-23 13:39:22,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2018-07-23 13:39:22,298 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 200 [2018-07-23 13:39:22,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:22,299 INFO L225 Difference]: With dead ends: 204 [2018-07-23 13:39:22,299 INFO L226 Difference]: Without dead ends: 202 [2018-07-23 13:39:22,301 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:39:22,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-07-23 13:39:22,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-07-23 13:39:22,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-07-23 13:39:22,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 202 transitions. [2018-07-23 13:39:22,303 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 202 transitions. Word has length 200 [2018-07-23 13:39:22,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:22,304 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 202 transitions. [2018-07-23 13:39:22,304 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:39:22,304 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 202 transitions. [2018-07-23 13:39:22,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-07-23 13:39:22,304 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:22,304 INFO L357 BasicCegarLoop]: trace histogram [198, 1, 1, 1] [2018-07-23 13:39:22,304 INFO L414 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:22,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1310027677, now seen corresponding path program 198 times [2018-07-23 13:39:22,305 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 19701 backedges. 0 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:23,278 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:23,278 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:39:23,278 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:23,278 INFO L185 omatonBuilderFactory]: Interpolants [102913#(<= ULTIMATE.start_main_~y~4 40), 102912#(<= ULTIMATE.start_main_~y~4 39), 102915#(<= ULTIMATE.start_main_~y~4 42), 102914#(<= ULTIMATE.start_main_~y~4 41), 102917#(<= ULTIMATE.start_main_~y~4 44), 102916#(<= ULTIMATE.start_main_~y~4 43), 102919#(<= ULTIMATE.start_main_~y~4 46), 102918#(<= ULTIMATE.start_main_~y~4 45), 102921#(<= ULTIMATE.start_main_~y~4 48), 102920#(<= ULTIMATE.start_main_~y~4 47), 102923#(<= ULTIMATE.start_main_~y~4 50), 102922#(<= ULTIMATE.start_main_~y~4 49), 102925#(<= ULTIMATE.start_main_~y~4 52), 102924#(<= ULTIMATE.start_main_~y~4 51), 102927#(<= ULTIMATE.start_main_~y~4 54), 102926#(<= ULTIMATE.start_main_~y~4 53), 102929#(<= ULTIMATE.start_main_~y~4 56), 102928#(<= ULTIMATE.start_main_~y~4 55), 102931#(<= ULTIMATE.start_main_~y~4 58), 102930#(<= ULTIMATE.start_main_~y~4 57), 102933#(<= ULTIMATE.start_main_~y~4 60), 102932#(<= ULTIMATE.start_main_~y~4 59), 102935#(<= ULTIMATE.start_main_~y~4 62), 102934#(<= ULTIMATE.start_main_~y~4 61), 102937#(<= ULTIMATE.start_main_~y~4 64), 102936#(<= ULTIMATE.start_main_~y~4 63), 102939#(<= ULTIMATE.start_main_~y~4 66), 102938#(<= ULTIMATE.start_main_~y~4 65), 102941#(<= ULTIMATE.start_main_~y~4 68), 102940#(<= ULTIMATE.start_main_~y~4 67), 102943#(<= ULTIMATE.start_main_~y~4 70), 102942#(<= ULTIMATE.start_main_~y~4 69), 102945#(<= ULTIMATE.start_main_~y~4 72), 102944#(<= ULTIMATE.start_main_~y~4 71), 102947#(<= ULTIMATE.start_main_~y~4 74), 102946#(<= ULTIMATE.start_main_~y~4 73), 102949#(<= ULTIMATE.start_main_~y~4 76), 102948#(<= ULTIMATE.start_main_~y~4 75), 102951#(<= ULTIMATE.start_main_~y~4 78), 102950#(<= ULTIMATE.start_main_~y~4 77), 102953#(<= ULTIMATE.start_main_~y~4 80), 102952#(<= ULTIMATE.start_main_~y~4 79), 102955#(<= ULTIMATE.start_main_~y~4 82), 102954#(<= ULTIMATE.start_main_~y~4 81), 102957#(<= ULTIMATE.start_main_~y~4 84), 102956#(<= ULTIMATE.start_main_~y~4 83), 102959#(<= ULTIMATE.start_main_~y~4 86), 102958#(<= ULTIMATE.start_main_~y~4 85), 102961#(<= ULTIMATE.start_main_~y~4 88), 102960#(<= ULTIMATE.start_main_~y~4 87), 102963#(<= ULTIMATE.start_main_~y~4 90), 102962#(<= ULTIMATE.start_main_~y~4 89), 102965#(<= ULTIMATE.start_main_~y~4 92), 102964#(<= ULTIMATE.start_main_~y~4 91), 102967#(<= ULTIMATE.start_main_~y~4 94), 102966#(<= ULTIMATE.start_main_~y~4 93), 102969#(<= ULTIMATE.start_main_~y~4 96), 102968#(<= ULTIMATE.start_main_~y~4 95), 102971#(<= ULTIMATE.start_main_~y~4 98), 102970#(<= ULTIMATE.start_main_~y~4 97), 102973#(<= ULTIMATE.start_main_~y~4 100), 102972#(<= ULTIMATE.start_main_~y~4 99), 102975#(<= ULTIMATE.start_main_~y~4 102), 102974#(<= ULTIMATE.start_main_~y~4 101), 102977#(<= ULTIMATE.start_main_~y~4 104), 102976#(<= ULTIMATE.start_main_~y~4 103), 102979#(<= ULTIMATE.start_main_~y~4 106), 102978#(<= ULTIMATE.start_main_~y~4 105), 102981#(<= ULTIMATE.start_main_~y~4 108), 102980#(<= ULTIMATE.start_main_~y~4 107), 102983#(<= ULTIMATE.start_main_~y~4 110), 102982#(<= ULTIMATE.start_main_~y~4 109), 102985#(<= ULTIMATE.start_main_~y~4 112), 102984#(<= ULTIMATE.start_main_~y~4 111), 102987#(<= ULTIMATE.start_main_~y~4 114), 102986#(<= ULTIMATE.start_main_~y~4 113), 102989#(<= ULTIMATE.start_main_~y~4 116), 102988#(<= ULTIMATE.start_main_~y~4 115), 102991#(<= ULTIMATE.start_main_~y~4 118), 102990#(<= ULTIMATE.start_main_~y~4 117), 102993#(<= ULTIMATE.start_main_~y~4 120), 102992#(<= ULTIMATE.start_main_~y~4 119), 102995#(<= ULTIMATE.start_main_~y~4 122), 102994#(<= ULTIMATE.start_main_~y~4 121), 102997#(<= ULTIMATE.start_main_~y~4 124), 102996#(<= ULTIMATE.start_main_~y~4 123), 102999#(<= ULTIMATE.start_main_~y~4 126), 102998#(<= ULTIMATE.start_main_~y~4 125), 103001#(<= ULTIMATE.start_main_~y~4 128), 103000#(<= ULTIMATE.start_main_~y~4 127), 103003#(<= ULTIMATE.start_main_~y~4 130), 103002#(<= ULTIMATE.start_main_~y~4 129), 103005#(<= ULTIMATE.start_main_~y~4 132), 103004#(<= ULTIMATE.start_main_~y~4 131), 103007#(<= ULTIMATE.start_main_~y~4 134), 103006#(<= ULTIMATE.start_main_~y~4 133), 103009#(<= ULTIMATE.start_main_~y~4 136), 103008#(<= ULTIMATE.start_main_~y~4 135), 103011#(<= ULTIMATE.start_main_~y~4 138), 103010#(<= ULTIMATE.start_main_~y~4 137), 103013#(<= ULTIMATE.start_main_~y~4 140), 103012#(<= ULTIMATE.start_main_~y~4 139), 103015#(<= ULTIMATE.start_main_~y~4 142), 103014#(<= ULTIMATE.start_main_~y~4 141), 103017#(<= ULTIMATE.start_main_~y~4 144), 103016#(<= ULTIMATE.start_main_~y~4 143), 103019#(<= ULTIMATE.start_main_~y~4 146), 103018#(<= ULTIMATE.start_main_~y~4 145), 103021#(<= ULTIMATE.start_main_~y~4 148), 103020#(<= ULTIMATE.start_main_~y~4 147), 103023#(<= ULTIMATE.start_main_~y~4 150), 103022#(<= ULTIMATE.start_main_~y~4 149), 103025#(<= ULTIMATE.start_main_~y~4 152), 103024#(<= ULTIMATE.start_main_~y~4 151), 103027#(<= ULTIMATE.start_main_~y~4 154), 103026#(<= ULTIMATE.start_main_~y~4 153), 103029#(<= ULTIMATE.start_main_~y~4 156), 103028#(<= ULTIMATE.start_main_~y~4 155), 103031#(<= ULTIMATE.start_main_~y~4 158), 103030#(<= ULTIMATE.start_main_~y~4 157), 103033#(<= ULTIMATE.start_main_~y~4 160), 103032#(<= ULTIMATE.start_main_~y~4 159), 103035#(<= ULTIMATE.start_main_~y~4 162), 103034#(<= ULTIMATE.start_main_~y~4 161), 103037#(<= ULTIMATE.start_main_~y~4 164), 103036#(<= ULTIMATE.start_main_~y~4 163), 103039#(<= ULTIMATE.start_main_~y~4 166), 103038#(<= ULTIMATE.start_main_~y~4 165), 103041#(<= ULTIMATE.start_main_~y~4 168), 103040#(<= ULTIMATE.start_main_~y~4 167), 103043#(<= ULTIMATE.start_main_~y~4 170), 103042#(<= ULTIMATE.start_main_~y~4 169), 103045#(<= ULTIMATE.start_main_~y~4 172), 103044#(<= ULTIMATE.start_main_~y~4 171), 103047#(<= ULTIMATE.start_main_~y~4 174), 103046#(<= ULTIMATE.start_main_~y~4 173), 103049#(<= ULTIMATE.start_main_~y~4 176), 103048#(<= ULTIMATE.start_main_~y~4 175), 103051#(<= ULTIMATE.start_main_~y~4 178), 103050#(<= ULTIMATE.start_main_~y~4 177), 103053#(<= ULTIMATE.start_main_~y~4 180), 103052#(<= ULTIMATE.start_main_~y~4 179), 103055#(<= ULTIMATE.start_main_~y~4 182), 103054#(<= ULTIMATE.start_main_~y~4 181), 103057#(<= ULTIMATE.start_main_~y~4 184), 103056#(<= ULTIMATE.start_main_~y~4 183), 103059#(<= ULTIMATE.start_main_~y~4 186), 103058#(<= ULTIMATE.start_main_~y~4 185), 103061#(<= ULTIMATE.start_main_~y~4 188), 103060#(<= ULTIMATE.start_main_~y~4 187), 103063#(<= ULTIMATE.start_main_~y~4 190), 103062#(<= ULTIMATE.start_main_~y~4 189), 103065#(<= ULTIMATE.start_main_~y~4 192), 103064#(<= ULTIMATE.start_main_~y~4 191), 103067#(<= ULTIMATE.start_main_~y~4 194), 103066#(<= ULTIMATE.start_main_~y~4 193), 103069#(<= ULTIMATE.start_main_~y~4 196), 103068#(<= ULTIMATE.start_main_~y~4 195), 103071#(<= ULTIMATE.start_main_~y~4 198), 103070#(<= ULTIMATE.start_main_~y~4 197), 102871#true, 102873#(<= ULTIMATE.start_main_~y~4 0), 102872#false, 102875#(<= ULTIMATE.start_main_~y~4 2), 102874#(<= ULTIMATE.start_main_~y~4 1), 102877#(<= ULTIMATE.start_main_~y~4 4), 102876#(<= ULTIMATE.start_main_~y~4 3), 102879#(<= ULTIMATE.start_main_~y~4 6), 102878#(<= ULTIMATE.start_main_~y~4 5), 102881#(<= ULTIMATE.start_main_~y~4 8), 102880#(<= ULTIMATE.start_main_~y~4 7), 102883#(<= ULTIMATE.start_main_~y~4 10), 102882#(<= ULTIMATE.start_main_~y~4 9), 102885#(<= ULTIMATE.start_main_~y~4 12), 102884#(<= ULTIMATE.start_main_~y~4 11), 102887#(<= ULTIMATE.start_main_~y~4 14), 102886#(<= ULTIMATE.start_main_~y~4 13), 102889#(<= ULTIMATE.start_main_~y~4 16), 102888#(<= ULTIMATE.start_main_~y~4 15), 102891#(<= ULTIMATE.start_main_~y~4 18), 102890#(<= ULTIMATE.start_main_~y~4 17), 102893#(<= ULTIMATE.start_main_~y~4 20), 102892#(<= ULTIMATE.start_main_~y~4 19), 102895#(<= ULTIMATE.start_main_~y~4 22), 102894#(<= ULTIMATE.start_main_~y~4 21), 102897#(<= ULTIMATE.start_main_~y~4 24), 102896#(<= ULTIMATE.start_main_~y~4 23), 102899#(<= ULTIMATE.start_main_~y~4 26), 102898#(<= ULTIMATE.start_main_~y~4 25), 102901#(<= ULTIMATE.start_main_~y~4 28), 102900#(<= ULTIMATE.start_main_~y~4 27), 102903#(<= ULTIMATE.start_main_~y~4 30), 102902#(<= ULTIMATE.start_main_~y~4 29), 102905#(<= ULTIMATE.start_main_~y~4 32), 102904#(<= ULTIMATE.start_main_~y~4 31), 102907#(<= ULTIMATE.start_main_~y~4 34), 102906#(<= ULTIMATE.start_main_~y~4 33), 102909#(<= ULTIMATE.start_main_~y~4 36), 102908#(<= ULTIMATE.start_main_~y~4 35), 102911#(<= ULTIMATE.start_main_~y~4 38), 102910#(<= ULTIMATE.start_main_~y~4 37)] [2018-07-23 13:39:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 19701 backedges. 0 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:23,280 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:39:23,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:39:23,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:39:23,284 INFO L87 Difference]: Start difference. First operand 202 states and 202 transitions. Second operand 201 states. [2018-07-23 13:39:24,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:24,254 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:39:24,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:39:24,255 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 201 [2018-07-23 13:39:24,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:24,255 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:39:24,255 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:39:24,257 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:39:24,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:39:24,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:39:24,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:39:24,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:39:24,260 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 201 [2018-07-23 13:39:24,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:24,260 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:39:24,260 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:39:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:39:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:39:24,261 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:24,261 INFO L357 BasicCegarLoop]: trace histogram [199, 1, 1, 1] [2018-07-23 13:39:24,261 INFO L414 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:24,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1956150516, now seen corresponding path program 199 times [2018-07-23 13:39:24,261 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 19900 backedges. 0 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:25,248 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:25,248 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [201] total 201 [2018-07-23 13:39:25,248 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:25,249 INFO L185 omatonBuilderFactory]: Interpolants [103937#(<= ULTIMATE.start_main_~y~4 47), 103936#(<= ULTIMATE.start_main_~y~4 46), 103939#(<= ULTIMATE.start_main_~y~4 49), 103938#(<= ULTIMATE.start_main_~y~4 48), 103941#(<= ULTIMATE.start_main_~y~4 51), 103940#(<= ULTIMATE.start_main_~y~4 50), 103943#(<= ULTIMATE.start_main_~y~4 53), 103942#(<= ULTIMATE.start_main_~y~4 52), 103945#(<= ULTIMATE.start_main_~y~4 55), 103944#(<= ULTIMATE.start_main_~y~4 54), 103947#(<= ULTIMATE.start_main_~y~4 57), 103946#(<= ULTIMATE.start_main_~y~4 56), 103949#(<= ULTIMATE.start_main_~y~4 59), 103948#(<= ULTIMATE.start_main_~y~4 58), 103951#(<= ULTIMATE.start_main_~y~4 61), 103950#(<= ULTIMATE.start_main_~y~4 60), 103953#(<= ULTIMATE.start_main_~y~4 63), 103952#(<= ULTIMATE.start_main_~y~4 62), 103955#(<= ULTIMATE.start_main_~y~4 65), 103954#(<= ULTIMATE.start_main_~y~4 64), 103957#(<= ULTIMATE.start_main_~y~4 67), 103956#(<= ULTIMATE.start_main_~y~4 66), 103959#(<= ULTIMATE.start_main_~y~4 69), 103958#(<= ULTIMATE.start_main_~y~4 68), 103961#(<= ULTIMATE.start_main_~y~4 71), 103960#(<= ULTIMATE.start_main_~y~4 70), 103963#(<= ULTIMATE.start_main_~y~4 73), 103962#(<= ULTIMATE.start_main_~y~4 72), 103965#(<= ULTIMATE.start_main_~y~4 75), 103964#(<= ULTIMATE.start_main_~y~4 74), 103967#(<= ULTIMATE.start_main_~y~4 77), 103966#(<= ULTIMATE.start_main_~y~4 76), 103969#(<= ULTIMATE.start_main_~y~4 79), 103968#(<= ULTIMATE.start_main_~y~4 78), 103971#(<= ULTIMATE.start_main_~y~4 81), 103970#(<= ULTIMATE.start_main_~y~4 80), 103973#(<= ULTIMATE.start_main_~y~4 83), 103972#(<= ULTIMATE.start_main_~y~4 82), 103975#(<= ULTIMATE.start_main_~y~4 85), 103974#(<= ULTIMATE.start_main_~y~4 84), 103977#(<= ULTIMATE.start_main_~y~4 87), 103976#(<= ULTIMATE.start_main_~y~4 86), 103979#(<= ULTIMATE.start_main_~y~4 89), 103978#(<= ULTIMATE.start_main_~y~4 88), 103981#(<= ULTIMATE.start_main_~y~4 91), 103980#(<= ULTIMATE.start_main_~y~4 90), 103983#(<= ULTIMATE.start_main_~y~4 93), 103982#(<= ULTIMATE.start_main_~y~4 92), 103985#(<= ULTIMATE.start_main_~y~4 95), 103984#(<= ULTIMATE.start_main_~y~4 94), 103987#(<= ULTIMATE.start_main_~y~4 97), 103986#(<= ULTIMATE.start_main_~y~4 96), 103989#(<= ULTIMATE.start_main_~y~4 99), 103988#(<= ULTIMATE.start_main_~y~4 98), 103991#(<= ULTIMATE.start_main_~y~4 101), 103990#(<= ULTIMATE.start_main_~y~4 100), 103993#(<= ULTIMATE.start_main_~y~4 103), 103992#(<= ULTIMATE.start_main_~y~4 102), 103995#(<= ULTIMATE.start_main_~y~4 105), 103994#(<= ULTIMATE.start_main_~y~4 104), 103997#(<= ULTIMATE.start_main_~y~4 107), 103996#(<= ULTIMATE.start_main_~y~4 106), 103999#(<= ULTIMATE.start_main_~y~4 109), 103998#(<= ULTIMATE.start_main_~y~4 108), 104001#(<= ULTIMATE.start_main_~y~4 111), 104000#(<= ULTIMATE.start_main_~y~4 110), 104003#(<= ULTIMATE.start_main_~y~4 113), 104002#(<= ULTIMATE.start_main_~y~4 112), 104005#(<= ULTIMATE.start_main_~y~4 115), 104004#(<= ULTIMATE.start_main_~y~4 114), 104007#(<= ULTIMATE.start_main_~y~4 117), 104006#(<= ULTIMATE.start_main_~y~4 116), 104009#(<= ULTIMATE.start_main_~y~4 119), 104008#(<= ULTIMATE.start_main_~y~4 118), 104011#(<= ULTIMATE.start_main_~y~4 121), 104010#(<= ULTIMATE.start_main_~y~4 120), 104013#(<= ULTIMATE.start_main_~y~4 123), 104012#(<= ULTIMATE.start_main_~y~4 122), 104015#(<= ULTIMATE.start_main_~y~4 125), 104014#(<= ULTIMATE.start_main_~y~4 124), 104017#(<= ULTIMATE.start_main_~y~4 127), 104016#(<= ULTIMATE.start_main_~y~4 126), 104019#(<= ULTIMATE.start_main_~y~4 129), 104018#(<= ULTIMATE.start_main_~y~4 128), 104021#(<= ULTIMATE.start_main_~y~4 131), 104020#(<= ULTIMATE.start_main_~y~4 130), 104023#(<= ULTIMATE.start_main_~y~4 133), 104022#(<= ULTIMATE.start_main_~y~4 132), 104025#(<= ULTIMATE.start_main_~y~4 135), 104024#(<= ULTIMATE.start_main_~y~4 134), 104027#(<= ULTIMATE.start_main_~y~4 137), 104026#(<= ULTIMATE.start_main_~y~4 136), 104029#(<= ULTIMATE.start_main_~y~4 139), 104028#(<= ULTIMATE.start_main_~y~4 138), 104031#(<= ULTIMATE.start_main_~y~4 141), 104030#(<= ULTIMATE.start_main_~y~4 140), 104033#(<= ULTIMATE.start_main_~y~4 143), 104032#(<= ULTIMATE.start_main_~y~4 142), 104035#(<= ULTIMATE.start_main_~y~4 145), 104034#(<= ULTIMATE.start_main_~y~4 144), 104037#(<= ULTIMATE.start_main_~y~4 147), 104036#(<= ULTIMATE.start_main_~y~4 146), 104039#(<= ULTIMATE.start_main_~y~4 149), 104038#(<= ULTIMATE.start_main_~y~4 148), 104041#(<= ULTIMATE.start_main_~y~4 151), 104040#(<= ULTIMATE.start_main_~y~4 150), 104043#(<= ULTIMATE.start_main_~y~4 153), 104042#(<= ULTIMATE.start_main_~y~4 152), 104045#(<= ULTIMATE.start_main_~y~4 155), 104044#(<= ULTIMATE.start_main_~y~4 154), 104047#(<= ULTIMATE.start_main_~y~4 157), 104046#(<= ULTIMATE.start_main_~y~4 156), 104049#(<= ULTIMATE.start_main_~y~4 159), 104048#(<= ULTIMATE.start_main_~y~4 158), 104051#(<= ULTIMATE.start_main_~y~4 161), 104050#(<= ULTIMATE.start_main_~y~4 160), 104053#(<= ULTIMATE.start_main_~y~4 163), 104052#(<= ULTIMATE.start_main_~y~4 162), 104055#(<= ULTIMATE.start_main_~y~4 165), 104054#(<= ULTIMATE.start_main_~y~4 164), 104057#(<= ULTIMATE.start_main_~y~4 167), 104056#(<= ULTIMATE.start_main_~y~4 166), 104059#(<= ULTIMATE.start_main_~y~4 169), 104058#(<= ULTIMATE.start_main_~y~4 168), 104061#(<= ULTIMATE.start_main_~y~4 171), 104060#(<= ULTIMATE.start_main_~y~4 170), 104063#(<= ULTIMATE.start_main_~y~4 173), 104062#(<= ULTIMATE.start_main_~y~4 172), 104065#(<= ULTIMATE.start_main_~y~4 175), 104064#(<= ULTIMATE.start_main_~y~4 174), 104067#(<= ULTIMATE.start_main_~y~4 177), 104066#(<= ULTIMATE.start_main_~y~4 176), 104069#(<= ULTIMATE.start_main_~y~4 179), 104068#(<= ULTIMATE.start_main_~y~4 178), 104071#(<= ULTIMATE.start_main_~y~4 181), 104070#(<= ULTIMATE.start_main_~y~4 180), 104073#(<= ULTIMATE.start_main_~y~4 183), 104072#(<= ULTIMATE.start_main_~y~4 182), 104075#(<= ULTIMATE.start_main_~y~4 185), 104074#(<= ULTIMATE.start_main_~y~4 184), 104077#(<= ULTIMATE.start_main_~y~4 187), 104076#(<= ULTIMATE.start_main_~y~4 186), 104079#(<= ULTIMATE.start_main_~y~4 189), 104078#(<= ULTIMATE.start_main_~y~4 188), 104081#(<= ULTIMATE.start_main_~y~4 191), 104080#(<= ULTIMATE.start_main_~y~4 190), 104083#(<= ULTIMATE.start_main_~y~4 193), 104082#(<= ULTIMATE.start_main_~y~4 192), 104085#(<= ULTIMATE.start_main_~y~4 195), 104084#(<= ULTIMATE.start_main_~y~4 194), 104087#(<= ULTIMATE.start_main_~y~4 197), 104086#(<= ULTIMATE.start_main_~y~4 196), 104089#(<= ULTIMATE.start_main_~y~4 199), 104088#(<= ULTIMATE.start_main_~y~4 198), 103889#false, 103888#true, 103891#(<= ULTIMATE.start_main_~y~4 1), 103890#(<= ULTIMATE.start_main_~y~4 0), 103893#(<= ULTIMATE.start_main_~y~4 3), 103892#(<= ULTIMATE.start_main_~y~4 2), 103895#(<= ULTIMATE.start_main_~y~4 5), 103894#(<= ULTIMATE.start_main_~y~4 4), 103897#(<= ULTIMATE.start_main_~y~4 7), 103896#(<= ULTIMATE.start_main_~y~4 6), 103899#(<= ULTIMATE.start_main_~y~4 9), 103898#(<= ULTIMATE.start_main_~y~4 8), 103901#(<= ULTIMATE.start_main_~y~4 11), 103900#(<= ULTIMATE.start_main_~y~4 10), 103903#(<= ULTIMATE.start_main_~y~4 13), 103902#(<= ULTIMATE.start_main_~y~4 12), 103905#(<= ULTIMATE.start_main_~y~4 15), 103904#(<= ULTIMATE.start_main_~y~4 14), 103907#(<= ULTIMATE.start_main_~y~4 17), 103906#(<= ULTIMATE.start_main_~y~4 16), 103909#(<= ULTIMATE.start_main_~y~4 19), 103908#(<= ULTIMATE.start_main_~y~4 18), 103911#(<= ULTIMATE.start_main_~y~4 21), 103910#(<= ULTIMATE.start_main_~y~4 20), 103913#(<= ULTIMATE.start_main_~y~4 23), 103912#(<= ULTIMATE.start_main_~y~4 22), 103915#(<= ULTIMATE.start_main_~y~4 25), 103914#(<= ULTIMATE.start_main_~y~4 24), 103917#(<= ULTIMATE.start_main_~y~4 27), 103916#(<= ULTIMATE.start_main_~y~4 26), 103919#(<= ULTIMATE.start_main_~y~4 29), 103918#(<= ULTIMATE.start_main_~y~4 28), 103921#(<= ULTIMATE.start_main_~y~4 31), 103920#(<= ULTIMATE.start_main_~y~4 30), 103923#(<= ULTIMATE.start_main_~y~4 33), 103922#(<= ULTIMATE.start_main_~y~4 32), 103925#(<= ULTIMATE.start_main_~y~4 35), 103924#(<= ULTIMATE.start_main_~y~4 34), 103927#(<= ULTIMATE.start_main_~y~4 37), 103926#(<= ULTIMATE.start_main_~y~4 36), 103929#(<= ULTIMATE.start_main_~y~4 39), 103928#(<= ULTIMATE.start_main_~y~4 38), 103931#(<= ULTIMATE.start_main_~y~4 41), 103930#(<= ULTIMATE.start_main_~y~4 40), 103933#(<= ULTIMATE.start_main_~y~4 43), 103932#(<= ULTIMATE.start_main_~y~4 42), 103935#(<= ULTIMATE.start_main_~y~4 45), 103934#(<= ULTIMATE.start_main_~y~4 44)] [2018-07-23 13:39:25,250 INFO L134 CoverageAnalysis]: Checked inductivity of 19900 backedges. 0 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:25,250 INFO L450 AbstractCegarLoop]: Interpolant automaton has 202 states [2018-07-23 13:39:25,253 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2018-07-23 13:39:25,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:39:25,255 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 202 states. [2018-07-23 13:39:26,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:26,159 INFO L93 Difference]: Finished difference Result 206 states and 206 transitions. [2018-07-23 13:39:26,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2018-07-23 13:39:26,160 INFO L78 Accepts]: Start accepts. Automaton has 202 states. Word has length 202 [2018-07-23 13:39:26,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:26,160 INFO L225 Difference]: With dead ends: 206 [2018-07-23 13:39:26,160 INFO L226 Difference]: Without dead ends: 204 [2018-07-23 13:39:26,162 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:39:26,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-07-23 13:39:26,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2018-07-23 13:39:26,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-07-23 13:39:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 204 transitions. [2018-07-23 13:39:26,165 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 204 transitions. Word has length 202 [2018-07-23 13:39:26,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:26,165 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 204 transitions. [2018-07-23 13:39:26,165 INFO L472 AbstractCegarLoop]: Interpolant automaton has 202 states. [2018-07-23 13:39:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 204 transitions. [2018-07-23 13:39:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-07-23 13:39:26,166 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:26,166 INFO L357 BasicCegarLoop]: trace histogram [200, 1, 1, 1] [2018-07-23 13:39:26,166 INFO L414 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:26,166 INFO L82 PathProgramCache]: Analyzing trace with hash -511122045, now seen corresponding path program 200 times [2018-07-23 13:39:26,166 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 20100 backedges. 0 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:27,097 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:27,097 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [202] total 202 [2018-07-23 13:39:27,098 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:27,098 INFO L185 omatonBuilderFactory]: Interpolants [104961#(<= ULTIMATE.start_main_~y~4 49), 104960#(<= ULTIMATE.start_main_~y~4 48), 104963#(<= ULTIMATE.start_main_~y~4 51), 104962#(<= ULTIMATE.start_main_~y~4 50), 104965#(<= ULTIMATE.start_main_~y~4 53), 104964#(<= ULTIMATE.start_main_~y~4 52), 104967#(<= ULTIMATE.start_main_~y~4 55), 104966#(<= ULTIMATE.start_main_~y~4 54), 104969#(<= ULTIMATE.start_main_~y~4 57), 104968#(<= ULTIMATE.start_main_~y~4 56), 104971#(<= ULTIMATE.start_main_~y~4 59), 104970#(<= ULTIMATE.start_main_~y~4 58), 104973#(<= ULTIMATE.start_main_~y~4 61), 104972#(<= ULTIMATE.start_main_~y~4 60), 104975#(<= ULTIMATE.start_main_~y~4 63), 104974#(<= ULTIMATE.start_main_~y~4 62), 104977#(<= ULTIMATE.start_main_~y~4 65), 104976#(<= ULTIMATE.start_main_~y~4 64), 104979#(<= ULTIMATE.start_main_~y~4 67), 104978#(<= ULTIMATE.start_main_~y~4 66), 104981#(<= ULTIMATE.start_main_~y~4 69), 104980#(<= ULTIMATE.start_main_~y~4 68), 104983#(<= ULTIMATE.start_main_~y~4 71), 104982#(<= ULTIMATE.start_main_~y~4 70), 104985#(<= ULTIMATE.start_main_~y~4 73), 104984#(<= ULTIMATE.start_main_~y~4 72), 104987#(<= ULTIMATE.start_main_~y~4 75), 104986#(<= ULTIMATE.start_main_~y~4 74), 104989#(<= ULTIMATE.start_main_~y~4 77), 104988#(<= ULTIMATE.start_main_~y~4 76), 104991#(<= ULTIMATE.start_main_~y~4 79), 104990#(<= ULTIMATE.start_main_~y~4 78), 104993#(<= ULTIMATE.start_main_~y~4 81), 104992#(<= ULTIMATE.start_main_~y~4 80), 104995#(<= ULTIMATE.start_main_~y~4 83), 104994#(<= ULTIMATE.start_main_~y~4 82), 104997#(<= ULTIMATE.start_main_~y~4 85), 104996#(<= ULTIMATE.start_main_~y~4 84), 104999#(<= ULTIMATE.start_main_~y~4 87), 104998#(<= ULTIMATE.start_main_~y~4 86), 105001#(<= ULTIMATE.start_main_~y~4 89), 105000#(<= ULTIMATE.start_main_~y~4 88), 105003#(<= ULTIMATE.start_main_~y~4 91), 105002#(<= ULTIMATE.start_main_~y~4 90), 105005#(<= ULTIMATE.start_main_~y~4 93), 105004#(<= ULTIMATE.start_main_~y~4 92), 105007#(<= ULTIMATE.start_main_~y~4 95), 105006#(<= ULTIMATE.start_main_~y~4 94), 105009#(<= ULTIMATE.start_main_~y~4 97), 105008#(<= ULTIMATE.start_main_~y~4 96), 105011#(<= ULTIMATE.start_main_~y~4 99), 105010#(<= ULTIMATE.start_main_~y~4 98), 105013#(<= ULTIMATE.start_main_~y~4 101), 105012#(<= ULTIMATE.start_main_~y~4 100), 105015#(<= ULTIMATE.start_main_~y~4 103), 105014#(<= ULTIMATE.start_main_~y~4 102), 105017#(<= ULTIMATE.start_main_~y~4 105), 105016#(<= ULTIMATE.start_main_~y~4 104), 105019#(<= ULTIMATE.start_main_~y~4 107), 105018#(<= ULTIMATE.start_main_~y~4 106), 105021#(<= ULTIMATE.start_main_~y~4 109), 105020#(<= ULTIMATE.start_main_~y~4 108), 105023#(<= ULTIMATE.start_main_~y~4 111), 105022#(<= ULTIMATE.start_main_~y~4 110), 105025#(<= ULTIMATE.start_main_~y~4 113), 105024#(<= ULTIMATE.start_main_~y~4 112), 105027#(<= ULTIMATE.start_main_~y~4 115), 105026#(<= ULTIMATE.start_main_~y~4 114), 105029#(<= ULTIMATE.start_main_~y~4 117), 105028#(<= ULTIMATE.start_main_~y~4 116), 105031#(<= ULTIMATE.start_main_~y~4 119), 105030#(<= ULTIMATE.start_main_~y~4 118), 105033#(<= ULTIMATE.start_main_~y~4 121), 105032#(<= ULTIMATE.start_main_~y~4 120), 105035#(<= ULTIMATE.start_main_~y~4 123), 105034#(<= ULTIMATE.start_main_~y~4 122), 105037#(<= ULTIMATE.start_main_~y~4 125), 105036#(<= ULTIMATE.start_main_~y~4 124), 105039#(<= ULTIMATE.start_main_~y~4 127), 105038#(<= ULTIMATE.start_main_~y~4 126), 105041#(<= ULTIMATE.start_main_~y~4 129), 105040#(<= ULTIMATE.start_main_~y~4 128), 105043#(<= ULTIMATE.start_main_~y~4 131), 105042#(<= ULTIMATE.start_main_~y~4 130), 105045#(<= ULTIMATE.start_main_~y~4 133), 105044#(<= ULTIMATE.start_main_~y~4 132), 105047#(<= ULTIMATE.start_main_~y~4 135), 105046#(<= ULTIMATE.start_main_~y~4 134), 105049#(<= ULTIMATE.start_main_~y~4 137), 105048#(<= ULTIMATE.start_main_~y~4 136), 105051#(<= ULTIMATE.start_main_~y~4 139), 105050#(<= ULTIMATE.start_main_~y~4 138), 105053#(<= ULTIMATE.start_main_~y~4 141), 105052#(<= ULTIMATE.start_main_~y~4 140), 105055#(<= ULTIMATE.start_main_~y~4 143), 105054#(<= ULTIMATE.start_main_~y~4 142), 105057#(<= ULTIMATE.start_main_~y~4 145), 105056#(<= ULTIMATE.start_main_~y~4 144), 105059#(<= ULTIMATE.start_main_~y~4 147), 105058#(<= ULTIMATE.start_main_~y~4 146), 105061#(<= ULTIMATE.start_main_~y~4 149), 105060#(<= ULTIMATE.start_main_~y~4 148), 105063#(<= ULTIMATE.start_main_~y~4 151), 105062#(<= ULTIMATE.start_main_~y~4 150), 105065#(<= ULTIMATE.start_main_~y~4 153), 105064#(<= ULTIMATE.start_main_~y~4 152), 105067#(<= ULTIMATE.start_main_~y~4 155), 105066#(<= ULTIMATE.start_main_~y~4 154), 105069#(<= ULTIMATE.start_main_~y~4 157), 105068#(<= ULTIMATE.start_main_~y~4 156), 105071#(<= ULTIMATE.start_main_~y~4 159), 105070#(<= ULTIMATE.start_main_~y~4 158), 105073#(<= ULTIMATE.start_main_~y~4 161), 105072#(<= ULTIMATE.start_main_~y~4 160), 105075#(<= ULTIMATE.start_main_~y~4 163), 105074#(<= ULTIMATE.start_main_~y~4 162), 105077#(<= ULTIMATE.start_main_~y~4 165), 105076#(<= ULTIMATE.start_main_~y~4 164), 105079#(<= ULTIMATE.start_main_~y~4 167), 105078#(<= ULTIMATE.start_main_~y~4 166), 105081#(<= ULTIMATE.start_main_~y~4 169), 105080#(<= ULTIMATE.start_main_~y~4 168), 105083#(<= ULTIMATE.start_main_~y~4 171), 105082#(<= ULTIMATE.start_main_~y~4 170), 105085#(<= ULTIMATE.start_main_~y~4 173), 105084#(<= ULTIMATE.start_main_~y~4 172), 105087#(<= ULTIMATE.start_main_~y~4 175), 105086#(<= ULTIMATE.start_main_~y~4 174), 105089#(<= ULTIMATE.start_main_~y~4 177), 105088#(<= ULTIMATE.start_main_~y~4 176), 105091#(<= ULTIMATE.start_main_~y~4 179), 105090#(<= ULTIMATE.start_main_~y~4 178), 105093#(<= ULTIMATE.start_main_~y~4 181), 105092#(<= ULTIMATE.start_main_~y~4 180), 105095#(<= ULTIMATE.start_main_~y~4 183), 105094#(<= ULTIMATE.start_main_~y~4 182), 105097#(<= ULTIMATE.start_main_~y~4 185), 105096#(<= ULTIMATE.start_main_~y~4 184), 105099#(<= ULTIMATE.start_main_~y~4 187), 105098#(<= ULTIMATE.start_main_~y~4 186), 105101#(<= ULTIMATE.start_main_~y~4 189), 105100#(<= ULTIMATE.start_main_~y~4 188), 105103#(<= ULTIMATE.start_main_~y~4 191), 105102#(<= ULTIMATE.start_main_~y~4 190), 105105#(<= ULTIMATE.start_main_~y~4 193), 105104#(<= ULTIMATE.start_main_~y~4 192), 105107#(<= ULTIMATE.start_main_~y~4 195), 105106#(<= ULTIMATE.start_main_~y~4 194), 105109#(<= ULTIMATE.start_main_~y~4 197), 105108#(<= ULTIMATE.start_main_~y~4 196), 105111#(<= ULTIMATE.start_main_~y~4 199), 105110#(<= ULTIMATE.start_main_~y~4 198), 105112#(<= ULTIMATE.start_main_~y~4 200), 104911#false, 104910#true, 104913#(<= ULTIMATE.start_main_~y~4 1), 104912#(<= ULTIMATE.start_main_~y~4 0), 104915#(<= ULTIMATE.start_main_~y~4 3), 104914#(<= ULTIMATE.start_main_~y~4 2), 104917#(<= ULTIMATE.start_main_~y~4 5), 104916#(<= ULTIMATE.start_main_~y~4 4), 104919#(<= ULTIMATE.start_main_~y~4 7), 104918#(<= ULTIMATE.start_main_~y~4 6), 104921#(<= ULTIMATE.start_main_~y~4 9), 104920#(<= ULTIMATE.start_main_~y~4 8), 104923#(<= ULTIMATE.start_main_~y~4 11), 104922#(<= ULTIMATE.start_main_~y~4 10), 104925#(<= ULTIMATE.start_main_~y~4 13), 104924#(<= ULTIMATE.start_main_~y~4 12), 104927#(<= ULTIMATE.start_main_~y~4 15), 104926#(<= ULTIMATE.start_main_~y~4 14), 104929#(<= ULTIMATE.start_main_~y~4 17), 104928#(<= ULTIMATE.start_main_~y~4 16), 104931#(<= ULTIMATE.start_main_~y~4 19), 104930#(<= ULTIMATE.start_main_~y~4 18), 104933#(<= ULTIMATE.start_main_~y~4 21), 104932#(<= ULTIMATE.start_main_~y~4 20), 104935#(<= ULTIMATE.start_main_~y~4 23), 104934#(<= ULTIMATE.start_main_~y~4 22), 104937#(<= ULTIMATE.start_main_~y~4 25), 104936#(<= ULTIMATE.start_main_~y~4 24), 104939#(<= ULTIMATE.start_main_~y~4 27), 104938#(<= ULTIMATE.start_main_~y~4 26), 104941#(<= ULTIMATE.start_main_~y~4 29), 104940#(<= ULTIMATE.start_main_~y~4 28), 104943#(<= ULTIMATE.start_main_~y~4 31), 104942#(<= ULTIMATE.start_main_~y~4 30), 104945#(<= ULTIMATE.start_main_~y~4 33), 104944#(<= ULTIMATE.start_main_~y~4 32), 104947#(<= ULTIMATE.start_main_~y~4 35), 104946#(<= ULTIMATE.start_main_~y~4 34), 104949#(<= ULTIMATE.start_main_~y~4 37), 104948#(<= ULTIMATE.start_main_~y~4 36), 104951#(<= ULTIMATE.start_main_~y~4 39), 104950#(<= ULTIMATE.start_main_~y~4 38), 104953#(<= ULTIMATE.start_main_~y~4 41), 104952#(<= ULTIMATE.start_main_~y~4 40), 104955#(<= ULTIMATE.start_main_~y~4 43), 104954#(<= ULTIMATE.start_main_~y~4 42), 104957#(<= ULTIMATE.start_main_~y~4 45), 104956#(<= ULTIMATE.start_main_~y~4 44), 104959#(<= ULTIMATE.start_main_~y~4 47), 104958#(<= ULTIMATE.start_main_~y~4 46)] [2018-07-23 13:39:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 20100 backedges. 0 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:27,099 INFO L450 AbstractCegarLoop]: Interpolant automaton has 203 states [2018-07-23 13:39:27,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2018-07-23 13:39:27,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:39:27,103 INFO L87 Difference]: Start difference. First operand 204 states and 204 transitions. Second operand 203 states. [2018-07-23 13:39:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:27,748 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:39:27,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:39:27,748 INFO L78 Accepts]: Start accepts. Automaton has 203 states. Word has length 203 [2018-07-23 13:39:27,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:27,748 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:39:27,748 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:39:27,750 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:39:27,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:39:27,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:39:27,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:39:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:39:27,752 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 203 [2018-07-23 13:39:27,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:27,752 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:39:27,752 INFO L472 AbstractCegarLoop]: Interpolant automaton has 203 states. [2018-07-23 13:39:27,752 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:39:27,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:39:27,753 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:27,753 INFO L357 BasicCegarLoop]: trace histogram [201, 1, 1, 1] [2018-07-23 13:39:27,753 INFO L414 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:27,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1335087596, now seen corresponding path program 201 times [2018-07-23 13:39:27,753 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20301 backedges. 0 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:28,601 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:28,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:39:28,601 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:28,601 INFO L185 omatonBuilderFactory]: Interpolants [105985#(<= ULTIMATE.start_main_~y~4 46), 105984#(<= ULTIMATE.start_main_~y~4 45), 105987#(<= ULTIMATE.start_main_~y~4 48), 105986#(<= ULTIMATE.start_main_~y~4 47), 105989#(<= ULTIMATE.start_main_~y~4 50), 105988#(<= ULTIMATE.start_main_~y~4 49), 105991#(<= ULTIMATE.start_main_~y~4 52), 105990#(<= ULTIMATE.start_main_~y~4 51), 105993#(<= ULTIMATE.start_main_~y~4 54), 105992#(<= ULTIMATE.start_main_~y~4 53), 105995#(<= ULTIMATE.start_main_~y~4 56), 105994#(<= ULTIMATE.start_main_~y~4 55), 105997#(<= ULTIMATE.start_main_~y~4 58), 105996#(<= ULTIMATE.start_main_~y~4 57), 105999#(<= ULTIMATE.start_main_~y~4 60), 105998#(<= ULTIMATE.start_main_~y~4 59), 106001#(<= ULTIMATE.start_main_~y~4 62), 106000#(<= ULTIMATE.start_main_~y~4 61), 106003#(<= ULTIMATE.start_main_~y~4 64), 106002#(<= ULTIMATE.start_main_~y~4 63), 106005#(<= ULTIMATE.start_main_~y~4 66), 106004#(<= ULTIMATE.start_main_~y~4 65), 106007#(<= ULTIMATE.start_main_~y~4 68), 106006#(<= ULTIMATE.start_main_~y~4 67), 106009#(<= ULTIMATE.start_main_~y~4 70), 106008#(<= ULTIMATE.start_main_~y~4 69), 106011#(<= ULTIMATE.start_main_~y~4 72), 106010#(<= ULTIMATE.start_main_~y~4 71), 106013#(<= ULTIMATE.start_main_~y~4 74), 106012#(<= ULTIMATE.start_main_~y~4 73), 106015#(<= ULTIMATE.start_main_~y~4 76), 106014#(<= ULTIMATE.start_main_~y~4 75), 106017#(<= ULTIMATE.start_main_~y~4 78), 106016#(<= ULTIMATE.start_main_~y~4 77), 106019#(<= ULTIMATE.start_main_~y~4 80), 106018#(<= ULTIMATE.start_main_~y~4 79), 106021#(<= ULTIMATE.start_main_~y~4 82), 106020#(<= ULTIMATE.start_main_~y~4 81), 106023#(<= ULTIMATE.start_main_~y~4 84), 106022#(<= ULTIMATE.start_main_~y~4 83), 106025#(<= ULTIMATE.start_main_~y~4 86), 106024#(<= ULTIMATE.start_main_~y~4 85), 106027#(<= ULTIMATE.start_main_~y~4 88), 106026#(<= ULTIMATE.start_main_~y~4 87), 106029#(<= ULTIMATE.start_main_~y~4 90), 106028#(<= ULTIMATE.start_main_~y~4 89), 106031#(<= ULTIMATE.start_main_~y~4 92), 106030#(<= ULTIMATE.start_main_~y~4 91), 106033#(<= ULTIMATE.start_main_~y~4 94), 106032#(<= ULTIMATE.start_main_~y~4 93), 106035#(<= ULTIMATE.start_main_~y~4 96), 106034#(<= ULTIMATE.start_main_~y~4 95), 106037#(<= ULTIMATE.start_main_~y~4 98), 106036#(<= ULTIMATE.start_main_~y~4 97), 106039#(<= ULTIMATE.start_main_~y~4 100), 106038#(<= ULTIMATE.start_main_~y~4 99), 106041#(<= ULTIMATE.start_main_~y~4 102), 106040#(<= ULTIMATE.start_main_~y~4 101), 106043#(<= ULTIMATE.start_main_~y~4 104), 106042#(<= ULTIMATE.start_main_~y~4 103), 106045#(<= ULTIMATE.start_main_~y~4 106), 106044#(<= ULTIMATE.start_main_~y~4 105), 106047#(<= ULTIMATE.start_main_~y~4 108), 106046#(<= ULTIMATE.start_main_~y~4 107), 106049#(<= ULTIMATE.start_main_~y~4 110), 106048#(<= ULTIMATE.start_main_~y~4 109), 106051#(<= ULTIMATE.start_main_~y~4 112), 106050#(<= ULTIMATE.start_main_~y~4 111), 106053#(<= ULTIMATE.start_main_~y~4 114), 106052#(<= ULTIMATE.start_main_~y~4 113), 106055#(<= ULTIMATE.start_main_~y~4 116), 106054#(<= ULTIMATE.start_main_~y~4 115), 106057#(<= ULTIMATE.start_main_~y~4 118), 106056#(<= ULTIMATE.start_main_~y~4 117), 106059#(<= ULTIMATE.start_main_~y~4 120), 106058#(<= ULTIMATE.start_main_~y~4 119), 106061#(<= ULTIMATE.start_main_~y~4 122), 106060#(<= ULTIMATE.start_main_~y~4 121), 106063#(<= ULTIMATE.start_main_~y~4 124), 106062#(<= ULTIMATE.start_main_~y~4 123), 106065#(<= ULTIMATE.start_main_~y~4 126), 106064#(<= ULTIMATE.start_main_~y~4 125), 106067#(<= ULTIMATE.start_main_~y~4 128), 106066#(<= ULTIMATE.start_main_~y~4 127), 106069#(<= ULTIMATE.start_main_~y~4 130), 106068#(<= ULTIMATE.start_main_~y~4 129), 106071#(<= ULTIMATE.start_main_~y~4 132), 106070#(<= ULTIMATE.start_main_~y~4 131), 106073#(<= ULTIMATE.start_main_~y~4 134), 106072#(<= ULTIMATE.start_main_~y~4 133), 106075#(<= ULTIMATE.start_main_~y~4 136), 106074#(<= ULTIMATE.start_main_~y~4 135), 106077#(<= ULTIMATE.start_main_~y~4 138), 106076#(<= ULTIMATE.start_main_~y~4 137), 106079#(<= ULTIMATE.start_main_~y~4 140), 106078#(<= ULTIMATE.start_main_~y~4 139), 106081#(<= ULTIMATE.start_main_~y~4 142), 106080#(<= ULTIMATE.start_main_~y~4 141), 106083#(<= ULTIMATE.start_main_~y~4 144), 106082#(<= ULTIMATE.start_main_~y~4 143), 106085#(<= ULTIMATE.start_main_~y~4 146), 106084#(<= ULTIMATE.start_main_~y~4 145), 106087#(<= ULTIMATE.start_main_~y~4 148), 106086#(<= ULTIMATE.start_main_~y~4 147), 106089#(<= ULTIMATE.start_main_~y~4 150), 106088#(<= ULTIMATE.start_main_~y~4 149), 106091#(<= ULTIMATE.start_main_~y~4 152), 106090#(<= ULTIMATE.start_main_~y~4 151), 106093#(<= ULTIMATE.start_main_~y~4 154), 106092#(<= ULTIMATE.start_main_~y~4 153), 106095#(<= ULTIMATE.start_main_~y~4 156), 106094#(<= ULTIMATE.start_main_~y~4 155), 106097#(<= ULTIMATE.start_main_~y~4 158), 106096#(<= ULTIMATE.start_main_~y~4 157), 106099#(<= ULTIMATE.start_main_~y~4 160), 106098#(<= ULTIMATE.start_main_~y~4 159), 106101#(<= ULTIMATE.start_main_~y~4 162), 106100#(<= ULTIMATE.start_main_~y~4 161), 106103#(<= ULTIMATE.start_main_~y~4 164), 106102#(<= ULTIMATE.start_main_~y~4 163), 106105#(<= ULTIMATE.start_main_~y~4 166), 106104#(<= ULTIMATE.start_main_~y~4 165), 106107#(<= ULTIMATE.start_main_~y~4 168), 106106#(<= ULTIMATE.start_main_~y~4 167), 106109#(<= ULTIMATE.start_main_~y~4 170), 106108#(<= ULTIMATE.start_main_~y~4 169), 106111#(<= ULTIMATE.start_main_~y~4 172), 106110#(<= ULTIMATE.start_main_~y~4 171), 106113#(<= ULTIMATE.start_main_~y~4 174), 106112#(<= ULTIMATE.start_main_~y~4 173), 106115#(<= ULTIMATE.start_main_~y~4 176), 106114#(<= ULTIMATE.start_main_~y~4 175), 106117#(<= ULTIMATE.start_main_~y~4 178), 106116#(<= ULTIMATE.start_main_~y~4 177), 106119#(<= ULTIMATE.start_main_~y~4 180), 106118#(<= ULTIMATE.start_main_~y~4 179), 106121#(<= ULTIMATE.start_main_~y~4 182), 106120#(<= ULTIMATE.start_main_~y~4 181), 106123#(<= ULTIMATE.start_main_~y~4 184), 106122#(<= ULTIMATE.start_main_~y~4 183), 106125#(<= ULTIMATE.start_main_~y~4 186), 106124#(<= ULTIMATE.start_main_~y~4 185), 106127#(<= ULTIMATE.start_main_~y~4 188), 106126#(<= ULTIMATE.start_main_~y~4 187), 106129#(<= ULTIMATE.start_main_~y~4 190), 106128#(<= ULTIMATE.start_main_~y~4 189), 106131#(<= ULTIMATE.start_main_~y~4 192), 106130#(<= ULTIMATE.start_main_~y~4 191), 106133#(<= ULTIMATE.start_main_~y~4 194), 106132#(<= ULTIMATE.start_main_~y~4 193), 106135#(<= ULTIMATE.start_main_~y~4 196), 106134#(<= ULTIMATE.start_main_~y~4 195), 106137#(<= ULTIMATE.start_main_~y~4 198), 106136#(<= ULTIMATE.start_main_~y~4 197), 106139#(<= ULTIMATE.start_main_~y~4 200), 106138#(<= ULTIMATE.start_main_~y~4 199), 106140#(<= ULTIMATE.start_main_~y~4 201), 105937#true, 105939#(<= ULTIMATE.start_main_~y~4 0), 105938#false, 105941#(<= ULTIMATE.start_main_~y~4 2), 105940#(<= ULTIMATE.start_main_~y~4 1), 105943#(<= ULTIMATE.start_main_~y~4 4), 105942#(<= ULTIMATE.start_main_~y~4 3), 105945#(<= ULTIMATE.start_main_~y~4 6), 105944#(<= ULTIMATE.start_main_~y~4 5), 105947#(<= ULTIMATE.start_main_~y~4 8), 105946#(<= ULTIMATE.start_main_~y~4 7), 105949#(<= ULTIMATE.start_main_~y~4 10), 105948#(<= ULTIMATE.start_main_~y~4 9), 105951#(<= ULTIMATE.start_main_~y~4 12), 105950#(<= ULTIMATE.start_main_~y~4 11), 105953#(<= ULTIMATE.start_main_~y~4 14), 105952#(<= ULTIMATE.start_main_~y~4 13), 105955#(<= ULTIMATE.start_main_~y~4 16), 105954#(<= ULTIMATE.start_main_~y~4 15), 105957#(<= ULTIMATE.start_main_~y~4 18), 105956#(<= ULTIMATE.start_main_~y~4 17), 105959#(<= ULTIMATE.start_main_~y~4 20), 105958#(<= ULTIMATE.start_main_~y~4 19), 105961#(<= ULTIMATE.start_main_~y~4 22), 105960#(<= ULTIMATE.start_main_~y~4 21), 105963#(<= ULTIMATE.start_main_~y~4 24), 105962#(<= ULTIMATE.start_main_~y~4 23), 105965#(<= ULTIMATE.start_main_~y~4 26), 105964#(<= ULTIMATE.start_main_~y~4 25), 105967#(<= ULTIMATE.start_main_~y~4 28), 105966#(<= ULTIMATE.start_main_~y~4 27), 105969#(<= ULTIMATE.start_main_~y~4 30), 105968#(<= ULTIMATE.start_main_~y~4 29), 105971#(<= ULTIMATE.start_main_~y~4 32), 105970#(<= ULTIMATE.start_main_~y~4 31), 105973#(<= ULTIMATE.start_main_~y~4 34), 105972#(<= ULTIMATE.start_main_~y~4 33), 105975#(<= ULTIMATE.start_main_~y~4 36), 105974#(<= ULTIMATE.start_main_~y~4 35), 105977#(<= ULTIMATE.start_main_~y~4 38), 105976#(<= ULTIMATE.start_main_~y~4 37), 105979#(<= ULTIMATE.start_main_~y~4 40), 105978#(<= ULTIMATE.start_main_~y~4 39), 105981#(<= ULTIMATE.start_main_~y~4 42), 105980#(<= ULTIMATE.start_main_~y~4 41), 105983#(<= ULTIMATE.start_main_~y~4 44), 105982#(<= ULTIMATE.start_main_~y~4 43)] [2018-07-23 13:39:28,602 INFO L134 CoverageAnalysis]: Checked inductivity of 20301 backedges. 0 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:28,603 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:39:28,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:39:28,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:39:28,606 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 204 states. [2018-07-23 13:39:29,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:29,308 INFO L93 Difference]: Finished difference Result 208 states and 208 transitions. [2018-07-23 13:39:29,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2018-07-23 13:39:29,309 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 204 [2018-07-23 13:39:29,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:29,309 INFO L225 Difference]: With dead ends: 208 [2018-07-23 13:39:29,309 INFO L226 Difference]: Without dead ends: 206 [2018-07-23 13:39:29,311 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:39:29,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-07-23 13:39:29,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2018-07-23 13:39:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-07-23 13:39:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 206 transitions. [2018-07-23 13:39:29,313 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 206 transitions. Word has length 204 [2018-07-23 13:39:29,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:29,313 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 206 transitions. [2018-07-23 13:39:29,313 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:39:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 206 transitions. [2018-07-23 13:39:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-07-23 13:39:29,314 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:29,314 INFO L357 BasicCegarLoop]: trace histogram [202, 1, 1, 1] [2018-07-23 13:39:29,314 INFO L414 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:29,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1561955677, now seen corresponding path program 202 times [2018-07-23 13:39:29,314 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 20503 backedges. 0 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:30,196 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:30,196 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [204] total 204 [2018-07-23 13:39:30,196 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:30,197 INFO L185 omatonBuilderFactory]: Interpolants [107009#(<= ULTIMATE.start_main_~y~4 38), 107008#(<= ULTIMATE.start_main_~y~4 37), 107011#(<= ULTIMATE.start_main_~y~4 40), 107010#(<= ULTIMATE.start_main_~y~4 39), 107013#(<= ULTIMATE.start_main_~y~4 42), 107012#(<= ULTIMATE.start_main_~y~4 41), 107015#(<= ULTIMATE.start_main_~y~4 44), 107014#(<= ULTIMATE.start_main_~y~4 43), 107017#(<= ULTIMATE.start_main_~y~4 46), 107016#(<= ULTIMATE.start_main_~y~4 45), 107019#(<= ULTIMATE.start_main_~y~4 48), 107018#(<= ULTIMATE.start_main_~y~4 47), 107021#(<= ULTIMATE.start_main_~y~4 50), 107020#(<= ULTIMATE.start_main_~y~4 49), 107023#(<= ULTIMATE.start_main_~y~4 52), 107022#(<= ULTIMATE.start_main_~y~4 51), 107025#(<= ULTIMATE.start_main_~y~4 54), 107024#(<= ULTIMATE.start_main_~y~4 53), 107027#(<= ULTIMATE.start_main_~y~4 56), 107026#(<= ULTIMATE.start_main_~y~4 55), 107029#(<= ULTIMATE.start_main_~y~4 58), 107028#(<= ULTIMATE.start_main_~y~4 57), 107031#(<= ULTIMATE.start_main_~y~4 60), 107030#(<= ULTIMATE.start_main_~y~4 59), 107033#(<= ULTIMATE.start_main_~y~4 62), 107032#(<= ULTIMATE.start_main_~y~4 61), 107035#(<= ULTIMATE.start_main_~y~4 64), 107034#(<= ULTIMATE.start_main_~y~4 63), 107037#(<= ULTIMATE.start_main_~y~4 66), 107036#(<= ULTIMATE.start_main_~y~4 65), 107039#(<= ULTIMATE.start_main_~y~4 68), 107038#(<= ULTIMATE.start_main_~y~4 67), 107041#(<= ULTIMATE.start_main_~y~4 70), 107040#(<= ULTIMATE.start_main_~y~4 69), 107043#(<= ULTIMATE.start_main_~y~4 72), 107042#(<= ULTIMATE.start_main_~y~4 71), 107045#(<= ULTIMATE.start_main_~y~4 74), 107044#(<= ULTIMATE.start_main_~y~4 73), 107047#(<= ULTIMATE.start_main_~y~4 76), 107046#(<= ULTIMATE.start_main_~y~4 75), 107049#(<= ULTIMATE.start_main_~y~4 78), 107048#(<= ULTIMATE.start_main_~y~4 77), 107051#(<= ULTIMATE.start_main_~y~4 80), 107050#(<= ULTIMATE.start_main_~y~4 79), 107053#(<= ULTIMATE.start_main_~y~4 82), 107052#(<= ULTIMATE.start_main_~y~4 81), 107055#(<= ULTIMATE.start_main_~y~4 84), 107054#(<= ULTIMATE.start_main_~y~4 83), 107057#(<= ULTIMATE.start_main_~y~4 86), 107056#(<= ULTIMATE.start_main_~y~4 85), 107059#(<= ULTIMATE.start_main_~y~4 88), 107058#(<= ULTIMATE.start_main_~y~4 87), 107061#(<= ULTIMATE.start_main_~y~4 90), 107060#(<= ULTIMATE.start_main_~y~4 89), 107063#(<= ULTIMATE.start_main_~y~4 92), 107062#(<= ULTIMATE.start_main_~y~4 91), 107065#(<= ULTIMATE.start_main_~y~4 94), 107064#(<= ULTIMATE.start_main_~y~4 93), 107067#(<= ULTIMATE.start_main_~y~4 96), 107066#(<= ULTIMATE.start_main_~y~4 95), 107069#(<= ULTIMATE.start_main_~y~4 98), 107068#(<= ULTIMATE.start_main_~y~4 97), 107071#(<= ULTIMATE.start_main_~y~4 100), 107070#(<= ULTIMATE.start_main_~y~4 99), 107073#(<= ULTIMATE.start_main_~y~4 102), 107072#(<= ULTIMATE.start_main_~y~4 101), 107075#(<= ULTIMATE.start_main_~y~4 104), 107074#(<= ULTIMATE.start_main_~y~4 103), 107077#(<= ULTIMATE.start_main_~y~4 106), 107076#(<= ULTIMATE.start_main_~y~4 105), 107079#(<= ULTIMATE.start_main_~y~4 108), 107078#(<= ULTIMATE.start_main_~y~4 107), 107081#(<= ULTIMATE.start_main_~y~4 110), 107080#(<= ULTIMATE.start_main_~y~4 109), 107083#(<= ULTIMATE.start_main_~y~4 112), 107082#(<= ULTIMATE.start_main_~y~4 111), 107085#(<= ULTIMATE.start_main_~y~4 114), 107084#(<= ULTIMATE.start_main_~y~4 113), 107087#(<= ULTIMATE.start_main_~y~4 116), 107086#(<= ULTIMATE.start_main_~y~4 115), 107089#(<= ULTIMATE.start_main_~y~4 118), 107088#(<= ULTIMATE.start_main_~y~4 117), 107091#(<= ULTIMATE.start_main_~y~4 120), 107090#(<= ULTIMATE.start_main_~y~4 119), 107093#(<= ULTIMATE.start_main_~y~4 122), 107092#(<= ULTIMATE.start_main_~y~4 121), 107095#(<= ULTIMATE.start_main_~y~4 124), 107094#(<= ULTIMATE.start_main_~y~4 123), 107097#(<= ULTIMATE.start_main_~y~4 126), 107096#(<= ULTIMATE.start_main_~y~4 125), 107099#(<= ULTIMATE.start_main_~y~4 128), 107098#(<= ULTIMATE.start_main_~y~4 127), 107101#(<= ULTIMATE.start_main_~y~4 130), 107100#(<= ULTIMATE.start_main_~y~4 129), 107103#(<= ULTIMATE.start_main_~y~4 132), 107102#(<= ULTIMATE.start_main_~y~4 131), 107105#(<= ULTIMATE.start_main_~y~4 134), 107104#(<= ULTIMATE.start_main_~y~4 133), 107107#(<= ULTIMATE.start_main_~y~4 136), 107106#(<= ULTIMATE.start_main_~y~4 135), 107109#(<= ULTIMATE.start_main_~y~4 138), 107108#(<= ULTIMATE.start_main_~y~4 137), 107111#(<= ULTIMATE.start_main_~y~4 140), 107110#(<= ULTIMATE.start_main_~y~4 139), 107113#(<= ULTIMATE.start_main_~y~4 142), 107112#(<= ULTIMATE.start_main_~y~4 141), 107115#(<= ULTIMATE.start_main_~y~4 144), 107114#(<= ULTIMATE.start_main_~y~4 143), 107117#(<= ULTIMATE.start_main_~y~4 146), 107116#(<= ULTIMATE.start_main_~y~4 145), 107119#(<= ULTIMATE.start_main_~y~4 148), 107118#(<= ULTIMATE.start_main_~y~4 147), 107121#(<= ULTIMATE.start_main_~y~4 150), 107120#(<= ULTIMATE.start_main_~y~4 149), 107123#(<= ULTIMATE.start_main_~y~4 152), 107122#(<= ULTIMATE.start_main_~y~4 151), 107125#(<= ULTIMATE.start_main_~y~4 154), 107124#(<= ULTIMATE.start_main_~y~4 153), 107127#(<= ULTIMATE.start_main_~y~4 156), 107126#(<= ULTIMATE.start_main_~y~4 155), 107129#(<= ULTIMATE.start_main_~y~4 158), 107128#(<= ULTIMATE.start_main_~y~4 157), 107131#(<= ULTIMATE.start_main_~y~4 160), 107130#(<= ULTIMATE.start_main_~y~4 159), 107133#(<= ULTIMATE.start_main_~y~4 162), 107132#(<= ULTIMATE.start_main_~y~4 161), 107135#(<= ULTIMATE.start_main_~y~4 164), 107134#(<= ULTIMATE.start_main_~y~4 163), 107137#(<= ULTIMATE.start_main_~y~4 166), 107136#(<= ULTIMATE.start_main_~y~4 165), 107139#(<= ULTIMATE.start_main_~y~4 168), 107138#(<= ULTIMATE.start_main_~y~4 167), 107141#(<= ULTIMATE.start_main_~y~4 170), 107140#(<= ULTIMATE.start_main_~y~4 169), 107143#(<= ULTIMATE.start_main_~y~4 172), 107142#(<= ULTIMATE.start_main_~y~4 171), 107145#(<= ULTIMATE.start_main_~y~4 174), 107144#(<= ULTIMATE.start_main_~y~4 173), 107147#(<= ULTIMATE.start_main_~y~4 176), 107146#(<= ULTIMATE.start_main_~y~4 175), 107149#(<= ULTIMATE.start_main_~y~4 178), 107148#(<= ULTIMATE.start_main_~y~4 177), 107151#(<= ULTIMATE.start_main_~y~4 180), 107150#(<= ULTIMATE.start_main_~y~4 179), 107153#(<= ULTIMATE.start_main_~y~4 182), 107152#(<= ULTIMATE.start_main_~y~4 181), 107155#(<= ULTIMATE.start_main_~y~4 184), 107154#(<= ULTIMATE.start_main_~y~4 183), 107157#(<= ULTIMATE.start_main_~y~4 186), 107156#(<= ULTIMATE.start_main_~y~4 185), 107159#(<= ULTIMATE.start_main_~y~4 188), 107158#(<= ULTIMATE.start_main_~y~4 187), 107161#(<= ULTIMATE.start_main_~y~4 190), 107160#(<= ULTIMATE.start_main_~y~4 189), 107163#(<= ULTIMATE.start_main_~y~4 192), 107162#(<= ULTIMATE.start_main_~y~4 191), 107165#(<= ULTIMATE.start_main_~y~4 194), 107164#(<= ULTIMATE.start_main_~y~4 193), 107167#(<= ULTIMATE.start_main_~y~4 196), 107166#(<= ULTIMATE.start_main_~y~4 195), 107169#(<= ULTIMATE.start_main_~y~4 198), 107168#(<= ULTIMATE.start_main_~y~4 197), 107171#(<= ULTIMATE.start_main_~y~4 200), 107170#(<= ULTIMATE.start_main_~y~4 199), 107173#(<= ULTIMATE.start_main_~y~4 202), 107172#(<= ULTIMATE.start_main_~y~4 201), 106969#true, 106971#(<= ULTIMATE.start_main_~y~4 0), 106970#false, 106973#(<= ULTIMATE.start_main_~y~4 2), 106972#(<= ULTIMATE.start_main_~y~4 1), 106975#(<= ULTIMATE.start_main_~y~4 4), 106974#(<= ULTIMATE.start_main_~y~4 3), 106977#(<= ULTIMATE.start_main_~y~4 6), 106976#(<= ULTIMATE.start_main_~y~4 5), 106979#(<= ULTIMATE.start_main_~y~4 8), 106978#(<= ULTIMATE.start_main_~y~4 7), 106981#(<= ULTIMATE.start_main_~y~4 10), 106980#(<= ULTIMATE.start_main_~y~4 9), 106983#(<= ULTIMATE.start_main_~y~4 12), 106982#(<= ULTIMATE.start_main_~y~4 11), 106985#(<= ULTIMATE.start_main_~y~4 14), 106984#(<= ULTIMATE.start_main_~y~4 13), 106987#(<= ULTIMATE.start_main_~y~4 16), 106986#(<= ULTIMATE.start_main_~y~4 15), 106989#(<= ULTIMATE.start_main_~y~4 18), 106988#(<= ULTIMATE.start_main_~y~4 17), 106991#(<= ULTIMATE.start_main_~y~4 20), 106990#(<= ULTIMATE.start_main_~y~4 19), 106993#(<= ULTIMATE.start_main_~y~4 22), 106992#(<= ULTIMATE.start_main_~y~4 21), 106995#(<= ULTIMATE.start_main_~y~4 24), 106994#(<= ULTIMATE.start_main_~y~4 23), 106997#(<= ULTIMATE.start_main_~y~4 26), 106996#(<= ULTIMATE.start_main_~y~4 25), 106999#(<= ULTIMATE.start_main_~y~4 28), 106998#(<= ULTIMATE.start_main_~y~4 27), 107001#(<= ULTIMATE.start_main_~y~4 30), 107000#(<= ULTIMATE.start_main_~y~4 29), 107003#(<= ULTIMATE.start_main_~y~4 32), 107002#(<= ULTIMATE.start_main_~y~4 31), 107005#(<= ULTIMATE.start_main_~y~4 34), 107004#(<= ULTIMATE.start_main_~y~4 33), 107007#(<= ULTIMATE.start_main_~y~4 36), 107006#(<= ULTIMATE.start_main_~y~4 35)] [2018-07-23 13:39:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20503 backedges. 0 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:30,198 INFO L450 AbstractCegarLoop]: Interpolant automaton has 205 states [2018-07-23 13:39:30,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2018-07-23 13:39:30,204 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:39:30,205 INFO L87 Difference]: Start difference. First operand 206 states and 206 transitions. Second operand 205 states. [2018-07-23 13:39:31,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:31,298 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:39:31,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:39:31,298 INFO L78 Accepts]: Start accepts. Automaton has 205 states. Word has length 205 [2018-07-23 13:39:31,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:31,299 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:39:31,299 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:39:31,301 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:39:31,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:39:31,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:39:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:39:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:39:31,304 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 205 [2018-07-23 13:39:31,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:31,304 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:39:31,304 INFO L472 AbstractCegarLoop]: Interpolant automaton has 205 states. [2018-07-23 13:39:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:39:31,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:39:31,304 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:31,304 INFO L357 BasicCegarLoop]: trace histogram [203, 1, 1, 1] [2018-07-23 13:39:31,305 INFO L414 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:31,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1175983924, now seen corresponding path program 203 times [2018-07-23 13:39:31,305 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 20706 backedges. 0 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:32,247 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:32,247 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [205] total 205 [2018-07-23 13:39:32,247 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:32,247 INFO L185 omatonBuilderFactory]: Interpolants [108033#(<= ULTIMATE.start_main_~y~4 25), 108032#(<= ULTIMATE.start_main_~y~4 24), 108035#(<= ULTIMATE.start_main_~y~4 27), 108034#(<= ULTIMATE.start_main_~y~4 26), 108037#(<= ULTIMATE.start_main_~y~4 29), 108036#(<= ULTIMATE.start_main_~y~4 28), 108039#(<= ULTIMATE.start_main_~y~4 31), 108038#(<= ULTIMATE.start_main_~y~4 30), 108041#(<= ULTIMATE.start_main_~y~4 33), 108040#(<= ULTIMATE.start_main_~y~4 32), 108043#(<= ULTIMATE.start_main_~y~4 35), 108042#(<= ULTIMATE.start_main_~y~4 34), 108045#(<= ULTIMATE.start_main_~y~4 37), 108044#(<= ULTIMATE.start_main_~y~4 36), 108047#(<= ULTIMATE.start_main_~y~4 39), 108046#(<= ULTIMATE.start_main_~y~4 38), 108049#(<= ULTIMATE.start_main_~y~4 41), 108048#(<= ULTIMATE.start_main_~y~4 40), 108051#(<= ULTIMATE.start_main_~y~4 43), 108050#(<= ULTIMATE.start_main_~y~4 42), 108053#(<= ULTIMATE.start_main_~y~4 45), 108052#(<= ULTIMATE.start_main_~y~4 44), 108055#(<= ULTIMATE.start_main_~y~4 47), 108054#(<= ULTIMATE.start_main_~y~4 46), 108057#(<= ULTIMATE.start_main_~y~4 49), 108056#(<= ULTIMATE.start_main_~y~4 48), 108059#(<= ULTIMATE.start_main_~y~4 51), 108058#(<= ULTIMATE.start_main_~y~4 50), 108061#(<= ULTIMATE.start_main_~y~4 53), 108060#(<= ULTIMATE.start_main_~y~4 52), 108063#(<= ULTIMATE.start_main_~y~4 55), 108062#(<= ULTIMATE.start_main_~y~4 54), 108065#(<= ULTIMATE.start_main_~y~4 57), 108064#(<= ULTIMATE.start_main_~y~4 56), 108067#(<= ULTIMATE.start_main_~y~4 59), 108066#(<= ULTIMATE.start_main_~y~4 58), 108069#(<= ULTIMATE.start_main_~y~4 61), 108068#(<= ULTIMATE.start_main_~y~4 60), 108071#(<= ULTIMATE.start_main_~y~4 63), 108070#(<= ULTIMATE.start_main_~y~4 62), 108073#(<= ULTIMATE.start_main_~y~4 65), 108072#(<= ULTIMATE.start_main_~y~4 64), 108075#(<= ULTIMATE.start_main_~y~4 67), 108074#(<= ULTIMATE.start_main_~y~4 66), 108077#(<= ULTIMATE.start_main_~y~4 69), 108076#(<= ULTIMATE.start_main_~y~4 68), 108079#(<= ULTIMATE.start_main_~y~4 71), 108078#(<= ULTIMATE.start_main_~y~4 70), 108081#(<= ULTIMATE.start_main_~y~4 73), 108080#(<= ULTIMATE.start_main_~y~4 72), 108083#(<= ULTIMATE.start_main_~y~4 75), 108082#(<= ULTIMATE.start_main_~y~4 74), 108085#(<= ULTIMATE.start_main_~y~4 77), 108084#(<= ULTIMATE.start_main_~y~4 76), 108087#(<= ULTIMATE.start_main_~y~4 79), 108086#(<= ULTIMATE.start_main_~y~4 78), 108089#(<= ULTIMATE.start_main_~y~4 81), 108088#(<= ULTIMATE.start_main_~y~4 80), 108091#(<= ULTIMATE.start_main_~y~4 83), 108090#(<= ULTIMATE.start_main_~y~4 82), 108093#(<= ULTIMATE.start_main_~y~4 85), 108092#(<= ULTIMATE.start_main_~y~4 84), 108095#(<= ULTIMATE.start_main_~y~4 87), 108094#(<= ULTIMATE.start_main_~y~4 86), 108097#(<= ULTIMATE.start_main_~y~4 89), 108096#(<= ULTIMATE.start_main_~y~4 88), 108099#(<= ULTIMATE.start_main_~y~4 91), 108098#(<= ULTIMATE.start_main_~y~4 90), 108101#(<= ULTIMATE.start_main_~y~4 93), 108100#(<= ULTIMATE.start_main_~y~4 92), 108103#(<= ULTIMATE.start_main_~y~4 95), 108102#(<= ULTIMATE.start_main_~y~4 94), 108105#(<= ULTIMATE.start_main_~y~4 97), 108104#(<= ULTIMATE.start_main_~y~4 96), 108107#(<= ULTIMATE.start_main_~y~4 99), 108106#(<= ULTIMATE.start_main_~y~4 98), 108109#(<= ULTIMATE.start_main_~y~4 101), 108108#(<= ULTIMATE.start_main_~y~4 100), 108111#(<= ULTIMATE.start_main_~y~4 103), 108110#(<= ULTIMATE.start_main_~y~4 102), 108113#(<= ULTIMATE.start_main_~y~4 105), 108112#(<= ULTIMATE.start_main_~y~4 104), 108115#(<= ULTIMATE.start_main_~y~4 107), 108114#(<= ULTIMATE.start_main_~y~4 106), 108117#(<= ULTIMATE.start_main_~y~4 109), 108116#(<= ULTIMATE.start_main_~y~4 108), 108119#(<= ULTIMATE.start_main_~y~4 111), 108118#(<= ULTIMATE.start_main_~y~4 110), 108121#(<= ULTIMATE.start_main_~y~4 113), 108120#(<= ULTIMATE.start_main_~y~4 112), 108123#(<= ULTIMATE.start_main_~y~4 115), 108122#(<= ULTIMATE.start_main_~y~4 114), 108125#(<= ULTIMATE.start_main_~y~4 117), 108124#(<= ULTIMATE.start_main_~y~4 116), 108127#(<= ULTIMATE.start_main_~y~4 119), 108126#(<= ULTIMATE.start_main_~y~4 118), 108129#(<= ULTIMATE.start_main_~y~4 121), 108128#(<= ULTIMATE.start_main_~y~4 120), 108131#(<= ULTIMATE.start_main_~y~4 123), 108130#(<= ULTIMATE.start_main_~y~4 122), 108133#(<= ULTIMATE.start_main_~y~4 125), 108132#(<= ULTIMATE.start_main_~y~4 124), 108135#(<= ULTIMATE.start_main_~y~4 127), 108134#(<= ULTIMATE.start_main_~y~4 126), 108137#(<= ULTIMATE.start_main_~y~4 129), 108136#(<= ULTIMATE.start_main_~y~4 128), 108139#(<= ULTIMATE.start_main_~y~4 131), 108138#(<= ULTIMATE.start_main_~y~4 130), 108141#(<= ULTIMATE.start_main_~y~4 133), 108140#(<= ULTIMATE.start_main_~y~4 132), 108143#(<= ULTIMATE.start_main_~y~4 135), 108142#(<= ULTIMATE.start_main_~y~4 134), 108145#(<= ULTIMATE.start_main_~y~4 137), 108144#(<= ULTIMATE.start_main_~y~4 136), 108147#(<= ULTIMATE.start_main_~y~4 139), 108146#(<= ULTIMATE.start_main_~y~4 138), 108149#(<= ULTIMATE.start_main_~y~4 141), 108148#(<= ULTIMATE.start_main_~y~4 140), 108151#(<= ULTIMATE.start_main_~y~4 143), 108150#(<= ULTIMATE.start_main_~y~4 142), 108153#(<= ULTIMATE.start_main_~y~4 145), 108152#(<= ULTIMATE.start_main_~y~4 144), 108155#(<= ULTIMATE.start_main_~y~4 147), 108154#(<= ULTIMATE.start_main_~y~4 146), 108157#(<= ULTIMATE.start_main_~y~4 149), 108156#(<= ULTIMATE.start_main_~y~4 148), 108159#(<= ULTIMATE.start_main_~y~4 151), 108158#(<= ULTIMATE.start_main_~y~4 150), 108161#(<= ULTIMATE.start_main_~y~4 153), 108160#(<= ULTIMATE.start_main_~y~4 152), 108163#(<= ULTIMATE.start_main_~y~4 155), 108162#(<= ULTIMATE.start_main_~y~4 154), 108165#(<= ULTIMATE.start_main_~y~4 157), 108164#(<= ULTIMATE.start_main_~y~4 156), 108167#(<= ULTIMATE.start_main_~y~4 159), 108166#(<= ULTIMATE.start_main_~y~4 158), 108169#(<= ULTIMATE.start_main_~y~4 161), 108168#(<= ULTIMATE.start_main_~y~4 160), 108171#(<= ULTIMATE.start_main_~y~4 163), 108170#(<= ULTIMATE.start_main_~y~4 162), 108173#(<= ULTIMATE.start_main_~y~4 165), 108172#(<= ULTIMATE.start_main_~y~4 164), 108175#(<= ULTIMATE.start_main_~y~4 167), 108174#(<= ULTIMATE.start_main_~y~4 166), 108177#(<= ULTIMATE.start_main_~y~4 169), 108176#(<= ULTIMATE.start_main_~y~4 168), 108179#(<= ULTIMATE.start_main_~y~4 171), 108178#(<= ULTIMATE.start_main_~y~4 170), 108181#(<= ULTIMATE.start_main_~y~4 173), 108180#(<= ULTIMATE.start_main_~y~4 172), 108183#(<= ULTIMATE.start_main_~y~4 175), 108182#(<= ULTIMATE.start_main_~y~4 174), 108185#(<= ULTIMATE.start_main_~y~4 177), 108184#(<= ULTIMATE.start_main_~y~4 176), 108187#(<= ULTIMATE.start_main_~y~4 179), 108186#(<= ULTIMATE.start_main_~y~4 178), 108189#(<= ULTIMATE.start_main_~y~4 181), 108188#(<= ULTIMATE.start_main_~y~4 180), 108191#(<= ULTIMATE.start_main_~y~4 183), 108190#(<= ULTIMATE.start_main_~y~4 182), 108193#(<= ULTIMATE.start_main_~y~4 185), 108192#(<= ULTIMATE.start_main_~y~4 184), 108195#(<= ULTIMATE.start_main_~y~4 187), 108194#(<= ULTIMATE.start_main_~y~4 186), 108197#(<= ULTIMATE.start_main_~y~4 189), 108196#(<= ULTIMATE.start_main_~y~4 188), 108199#(<= ULTIMATE.start_main_~y~4 191), 108198#(<= ULTIMATE.start_main_~y~4 190), 108201#(<= ULTIMATE.start_main_~y~4 193), 108200#(<= ULTIMATE.start_main_~y~4 192), 108203#(<= ULTIMATE.start_main_~y~4 195), 108202#(<= ULTIMATE.start_main_~y~4 194), 108205#(<= ULTIMATE.start_main_~y~4 197), 108204#(<= ULTIMATE.start_main_~y~4 196), 108207#(<= ULTIMATE.start_main_~y~4 199), 108206#(<= ULTIMATE.start_main_~y~4 198), 108209#(<= ULTIMATE.start_main_~y~4 201), 108208#(<= ULTIMATE.start_main_~y~4 200), 108211#(<= ULTIMATE.start_main_~y~4 203), 108210#(<= ULTIMATE.start_main_~y~4 202), 108007#false, 108006#true, 108009#(<= ULTIMATE.start_main_~y~4 1), 108008#(<= ULTIMATE.start_main_~y~4 0), 108011#(<= ULTIMATE.start_main_~y~4 3), 108010#(<= ULTIMATE.start_main_~y~4 2), 108013#(<= ULTIMATE.start_main_~y~4 5), 108012#(<= ULTIMATE.start_main_~y~4 4), 108015#(<= ULTIMATE.start_main_~y~4 7), 108014#(<= ULTIMATE.start_main_~y~4 6), 108017#(<= ULTIMATE.start_main_~y~4 9), 108016#(<= ULTIMATE.start_main_~y~4 8), 108019#(<= ULTIMATE.start_main_~y~4 11), 108018#(<= ULTIMATE.start_main_~y~4 10), 108021#(<= ULTIMATE.start_main_~y~4 13), 108020#(<= ULTIMATE.start_main_~y~4 12), 108023#(<= ULTIMATE.start_main_~y~4 15), 108022#(<= ULTIMATE.start_main_~y~4 14), 108025#(<= ULTIMATE.start_main_~y~4 17), 108024#(<= ULTIMATE.start_main_~y~4 16), 108027#(<= ULTIMATE.start_main_~y~4 19), 108026#(<= ULTIMATE.start_main_~y~4 18), 108029#(<= ULTIMATE.start_main_~y~4 21), 108028#(<= ULTIMATE.start_main_~y~4 20), 108031#(<= ULTIMATE.start_main_~y~4 23), 108030#(<= ULTIMATE.start_main_~y~4 22)] [2018-07-23 13:39:32,249 INFO L134 CoverageAnalysis]: Checked inductivity of 20706 backedges. 0 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:32,249 INFO L450 AbstractCegarLoop]: Interpolant automaton has 206 states [2018-07-23 13:39:32,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2018-07-23 13:39:32,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:39:32,254 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 206 states. [2018-07-23 13:39:33,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:33,143 INFO L93 Difference]: Finished difference Result 210 states and 210 transitions. [2018-07-23 13:39:33,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2018-07-23 13:39:33,143 INFO L78 Accepts]: Start accepts. Automaton has 206 states. Word has length 206 [2018-07-23 13:39:33,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:33,144 INFO L225 Difference]: With dead ends: 210 [2018-07-23 13:39:33,144 INFO L226 Difference]: Without dead ends: 208 [2018-07-23 13:39:33,145 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:39:33,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-07-23 13:39:33,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2018-07-23 13:39:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-07-23 13:39:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 208 transitions. [2018-07-23 13:39:33,148 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 208 transitions. Word has length 206 [2018-07-23 13:39:33,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:33,148 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 208 transitions. [2018-07-23 13:39:33,148 INFO L472 AbstractCegarLoop]: Interpolant automaton has 206 states. [2018-07-23 13:39:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 208 transitions. [2018-07-23 13:39:33,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-07-23 13:39:33,149 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:33,149 INFO L357 BasicCegarLoop]: trace histogram [204, 1, 1, 1] [2018-07-23 13:39:33,149 INFO L414 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:33,149 INFO L82 PathProgramCache]: Analyzing trace with hash -2095761469, now seen corresponding path program 204 times [2018-07-23 13:39:33,149 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20910 backedges. 0 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:34,117 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:34,117 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [206] total 206 [2018-07-23 13:39:34,118 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:34,118 INFO L185 omatonBuilderFactory]: Interpolants [109057#(<= ULTIMATE.start_main_~y~4 7), 109056#(<= ULTIMATE.start_main_~y~4 6), 109059#(<= ULTIMATE.start_main_~y~4 9), 109058#(<= ULTIMATE.start_main_~y~4 8), 109061#(<= ULTIMATE.start_main_~y~4 11), 109060#(<= ULTIMATE.start_main_~y~4 10), 109063#(<= ULTIMATE.start_main_~y~4 13), 109062#(<= ULTIMATE.start_main_~y~4 12), 109065#(<= ULTIMATE.start_main_~y~4 15), 109064#(<= ULTIMATE.start_main_~y~4 14), 109067#(<= ULTIMATE.start_main_~y~4 17), 109066#(<= ULTIMATE.start_main_~y~4 16), 109069#(<= ULTIMATE.start_main_~y~4 19), 109068#(<= ULTIMATE.start_main_~y~4 18), 109071#(<= ULTIMATE.start_main_~y~4 21), 109070#(<= ULTIMATE.start_main_~y~4 20), 109073#(<= ULTIMATE.start_main_~y~4 23), 109072#(<= ULTIMATE.start_main_~y~4 22), 109075#(<= ULTIMATE.start_main_~y~4 25), 109074#(<= ULTIMATE.start_main_~y~4 24), 109077#(<= ULTIMATE.start_main_~y~4 27), 109076#(<= ULTIMATE.start_main_~y~4 26), 109079#(<= ULTIMATE.start_main_~y~4 29), 109078#(<= ULTIMATE.start_main_~y~4 28), 109081#(<= ULTIMATE.start_main_~y~4 31), 109080#(<= ULTIMATE.start_main_~y~4 30), 109083#(<= ULTIMATE.start_main_~y~4 33), 109082#(<= ULTIMATE.start_main_~y~4 32), 109085#(<= ULTIMATE.start_main_~y~4 35), 109084#(<= ULTIMATE.start_main_~y~4 34), 109087#(<= ULTIMATE.start_main_~y~4 37), 109086#(<= ULTIMATE.start_main_~y~4 36), 109089#(<= ULTIMATE.start_main_~y~4 39), 109088#(<= ULTIMATE.start_main_~y~4 38), 109091#(<= ULTIMATE.start_main_~y~4 41), 109090#(<= ULTIMATE.start_main_~y~4 40), 109093#(<= ULTIMATE.start_main_~y~4 43), 109092#(<= ULTIMATE.start_main_~y~4 42), 109095#(<= ULTIMATE.start_main_~y~4 45), 109094#(<= ULTIMATE.start_main_~y~4 44), 109097#(<= ULTIMATE.start_main_~y~4 47), 109096#(<= ULTIMATE.start_main_~y~4 46), 109099#(<= ULTIMATE.start_main_~y~4 49), 109098#(<= ULTIMATE.start_main_~y~4 48), 109101#(<= ULTIMATE.start_main_~y~4 51), 109100#(<= ULTIMATE.start_main_~y~4 50), 109103#(<= ULTIMATE.start_main_~y~4 53), 109102#(<= ULTIMATE.start_main_~y~4 52), 109105#(<= ULTIMATE.start_main_~y~4 55), 109104#(<= ULTIMATE.start_main_~y~4 54), 109107#(<= ULTIMATE.start_main_~y~4 57), 109106#(<= ULTIMATE.start_main_~y~4 56), 109109#(<= ULTIMATE.start_main_~y~4 59), 109108#(<= ULTIMATE.start_main_~y~4 58), 109111#(<= ULTIMATE.start_main_~y~4 61), 109110#(<= ULTIMATE.start_main_~y~4 60), 109113#(<= ULTIMATE.start_main_~y~4 63), 109112#(<= ULTIMATE.start_main_~y~4 62), 109115#(<= ULTIMATE.start_main_~y~4 65), 109114#(<= ULTIMATE.start_main_~y~4 64), 109117#(<= ULTIMATE.start_main_~y~4 67), 109116#(<= ULTIMATE.start_main_~y~4 66), 109119#(<= ULTIMATE.start_main_~y~4 69), 109118#(<= ULTIMATE.start_main_~y~4 68), 109121#(<= ULTIMATE.start_main_~y~4 71), 109120#(<= ULTIMATE.start_main_~y~4 70), 109123#(<= ULTIMATE.start_main_~y~4 73), 109122#(<= ULTIMATE.start_main_~y~4 72), 109125#(<= ULTIMATE.start_main_~y~4 75), 109124#(<= ULTIMATE.start_main_~y~4 74), 109127#(<= ULTIMATE.start_main_~y~4 77), 109126#(<= ULTIMATE.start_main_~y~4 76), 109129#(<= ULTIMATE.start_main_~y~4 79), 109128#(<= ULTIMATE.start_main_~y~4 78), 109131#(<= ULTIMATE.start_main_~y~4 81), 109130#(<= ULTIMATE.start_main_~y~4 80), 109133#(<= ULTIMATE.start_main_~y~4 83), 109132#(<= ULTIMATE.start_main_~y~4 82), 109135#(<= ULTIMATE.start_main_~y~4 85), 109134#(<= ULTIMATE.start_main_~y~4 84), 109137#(<= ULTIMATE.start_main_~y~4 87), 109136#(<= ULTIMATE.start_main_~y~4 86), 109139#(<= ULTIMATE.start_main_~y~4 89), 109138#(<= ULTIMATE.start_main_~y~4 88), 109141#(<= ULTIMATE.start_main_~y~4 91), 109140#(<= ULTIMATE.start_main_~y~4 90), 109143#(<= ULTIMATE.start_main_~y~4 93), 109142#(<= ULTIMATE.start_main_~y~4 92), 109145#(<= ULTIMATE.start_main_~y~4 95), 109144#(<= ULTIMATE.start_main_~y~4 94), 109147#(<= ULTIMATE.start_main_~y~4 97), 109146#(<= ULTIMATE.start_main_~y~4 96), 109149#(<= ULTIMATE.start_main_~y~4 99), 109148#(<= ULTIMATE.start_main_~y~4 98), 109151#(<= ULTIMATE.start_main_~y~4 101), 109150#(<= ULTIMATE.start_main_~y~4 100), 109153#(<= ULTIMATE.start_main_~y~4 103), 109152#(<= ULTIMATE.start_main_~y~4 102), 109155#(<= ULTIMATE.start_main_~y~4 105), 109154#(<= ULTIMATE.start_main_~y~4 104), 109157#(<= ULTIMATE.start_main_~y~4 107), 109156#(<= ULTIMATE.start_main_~y~4 106), 109159#(<= ULTIMATE.start_main_~y~4 109), 109158#(<= ULTIMATE.start_main_~y~4 108), 109161#(<= ULTIMATE.start_main_~y~4 111), 109160#(<= ULTIMATE.start_main_~y~4 110), 109163#(<= ULTIMATE.start_main_~y~4 113), 109162#(<= ULTIMATE.start_main_~y~4 112), 109165#(<= ULTIMATE.start_main_~y~4 115), 109164#(<= ULTIMATE.start_main_~y~4 114), 109167#(<= ULTIMATE.start_main_~y~4 117), 109166#(<= ULTIMATE.start_main_~y~4 116), 109169#(<= ULTIMATE.start_main_~y~4 119), 109168#(<= ULTIMATE.start_main_~y~4 118), 109171#(<= ULTIMATE.start_main_~y~4 121), 109170#(<= ULTIMATE.start_main_~y~4 120), 109173#(<= ULTIMATE.start_main_~y~4 123), 109172#(<= ULTIMATE.start_main_~y~4 122), 109175#(<= ULTIMATE.start_main_~y~4 125), 109174#(<= ULTIMATE.start_main_~y~4 124), 109177#(<= ULTIMATE.start_main_~y~4 127), 109176#(<= ULTIMATE.start_main_~y~4 126), 109179#(<= ULTIMATE.start_main_~y~4 129), 109178#(<= ULTIMATE.start_main_~y~4 128), 109181#(<= ULTIMATE.start_main_~y~4 131), 109180#(<= ULTIMATE.start_main_~y~4 130), 109183#(<= ULTIMATE.start_main_~y~4 133), 109182#(<= ULTIMATE.start_main_~y~4 132), 109185#(<= ULTIMATE.start_main_~y~4 135), 109184#(<= ULTIMATE.start_main_~y~4 134), 109187#(<= ULTIMATE.start_main_~y~4 137), 109186#(<= ULTIMATE.start_main_~y~4 136), 109189#(<= ULTIMATE.start_main_~y~4 139), 109188#(<= ULTIMATE.start_main_~y~4 138), 109191#(<= ULTIMATE.start_main_~y~4 141), 109190#(<= ULTIMATE.start_main_~y~4 140), 109193#(<= ULTIMATE.start_main_~y~4 143), 109192#(<= ULTIMATE.start_main_~y~4 142), 109195#(<= ULTIMATE.start_main_~y~4 145), 109194#(<= ULTIMATE.start_main_~y~4 144), 109197#(<= ULTIMATE.start_main_~y~4 147), 109196#(<= ULTIMATE.start_main_~y~4 146), 109199#(<= ULTIMATE.start_main_~y~4 149), 109198#(<= ULTIMATE.start_main_~y~4 148), 109201#(<= ULTIMATE.start_main_~y~4 151), 109200#(<= ULTIMATE.start_main_~y~4 150), 109203#(<= ULTIMATE.start_main_~y~4 153), 109202#(<= ULTIMATE.start_main_~y~4 152), 109205#(<= ULTIMATE.start_main_~y~4 155), 109204#(<= ULTIMATE.start_main_~y~4 154), 109207#(<= ULTIMATE.start_main_~y~4 157), 109206#(<= ULTIMATE.start_main_~y~4 156), 109209#(<= ULTIMATE.start_main_~y~4 159), 109208#(<= ULTIMATE.start_main_~y~4 158), 109211#(<= ULTIMATE.start_main_~y~4 161), 109210#(<= ULTIMATE.start_main_~y~4 160), 109213#(<= ULTIMATE.start_main_~y~4 163), 109212#(<= ULTIMATE.start_main_~y~4 162), 109215#(<= ULTIMATE.start_main_~y~4 165), 109214#(<= ULTIMATE.start_main_~y~4 164), 109217#(<= ULTIMATE.start_main_~y~4 167), 109216#(<= ULTIMATE.start_main_~y~4 166), 109219#(<= ULTIMATE.start_main_~y~4 169), 109218#(<= ULTIMATE.start_main_~y~4 168), 109221#(<= ULTIMATE.start_main_~y~4 171), 109220#(<= ULTIMATE.start_main_~y~4 170), 109223#(<= ULTIMATE.start_main_~y~4 173), 109222#(<= ULTIMATE.start_main_~y~4 172), 109225#(<= ULTIMATE.start_main_~y~4 175), 109224#(<= ULTIMATE.start_main_~y~4 174), 109227#(<= ULTIMATE.start_main_~y~4 177), 109226#(<= ULTIMATE.start_main_~y~4 176), 109229#(<= ULTIMATE.start_main_~y~4 179), 109228#(<= ULTIMATE.start_main_~y~4 178), 109231#(<= ULTIMATE.start_main_~y~4 181), 109230#(<= ULTIMATE.start_main_~y~4 180), 109233#(<= ULTIMATE.start_main_~y~4 183), 109232#(<= ULTIMATE.start_main_~y~4 182), 109235#(<= ULTIMATE.start_main_~y~4 185), 109234#(<= ULTIMATE.start_main_~y~4 184), 109237#(<= ULTIMATE.start_main_~y~4 187), 109236#(<= ULTIMATE.start_main_~y~4 186), 109239#(<= ULTIMATE.start_main_~y~4 189), 109238#(<= ULTIMATE.start_main_~y~4 188), 109241#(<= ULTIMATE.start_main_~y~4 191), 109240#(<= ULTIMATE.start_main_~y~4 190), 109243#(<= ULTIMATE.start_main_~y~4 193), 109242#(<= ULTIMATE.start_main_~y~4 192), 109245#(<= ULTIMATE.start_main_~y~4 195), 109244#(<= ULTIMATE.start_main_~y~4 194), 109247#(<= ULTIMATE.start_main_~y~4 197), 109246#(<= ULTIMATE.start_main_~y~4 196), 109249#(<= ULTIMATE.start_main_~y~4 199), 109248#(<= ULTIMATE.start_main_~y~4 198), 109251#(<= ULTIMATE.start_main_~y~4 201), 109250#(<= ULTIMATE.start_main_~y~4 200), 109253#(<= ULTIMATE.start_main_~y~4 203), 109252#(<= ULTIMATE.start_main_~y~4 202), 109254#(<= ULTIMATE.start_main_~y~4 204), 109049#false, 109048#true, 109051#(<= ULTIMATE.start_main_~y~4 1), 109050#(<= ULTIMATE.start_main_~y~4 0), 109053#(<= ULTIMATE.start_main_~y~4 3), 109052#(<= ULTIMATE.start_main_~y~4 2), 109055#(<= ULTIMATE.start_main_~y~4 5), 109054#(<= ULTIMATE.start_main_~y~4 4)] [2018-07-23 13:39:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 20910 backedges. 0 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:34,120 INFO L450 AbstractCegarLoop]: Interpolant automaton has 207 states [2018-07-23 13:39:34,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2018-07-23 13:39:34,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:39:34,125 INFO L87 Difference]: Start difference. First operand 208 states and 208 transitions. Second operand 207 states. [2018-07-23 13:39:35,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:35,401 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:39:35,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2018-07-23 13:39:35,401 INFO L78 Accepts]: Start accepts. Automaton has 207 states. Word has length 207 [2018-07-23 13:39:35,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:35,402 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:39:35,402 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:39:35,404 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:39:35,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:39:35,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:39:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:39:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:39:35,406 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 207 [2018-07-23 13:39:35,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:35,406 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:39:35,406 INFO L472 AbstractCegarLoop]: Interpolant automaton has 207 states. [2018-07-23 13:39:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:39:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:39:35,407 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:35,407 INFO L357 BasicCegarLoop]: trace histogram [205, 1, 1, 1] [2018-07-23 13:39:35,407 INFO L414 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:35,407 INFO L82 PathProgramCache]: Analyzing trace with hash -544094292, now seen corresponding path program 205 times [2018-07-23 13:39:35,407 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 21115 backedges. 0 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:36,386 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:36,386 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [207] total 207 [2018-07-23 13:39:36,386 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:36,387 INFO L185 omatonBuilderFactory]: Interpolants [110095#true, 110097#(<= ULTIMATE.start_main_~y~4 0), 110096#false, 110099#(<= ULTIMATE.start_main_~y~4 2), 110098#(<= ULTIMATE.start_main_~y~4 1), 110101#(<= ULTIMATE.start_main_~y~4 4), 110100#(<= ULTIMATE.start_main_~y~4 3), 110103#(<= ULTIMATE.start_main_~y~4 6), 110102#(<= ULTIMATE.start_main_~y~4 5), 110105#(<= ULTIMATE.start_main_~y~4 8), 110104#(<= ULTIMATE.start_main_~y~4 7), 110107#(<= ULTIMATE.start_main_~y~4 10), 110106#(<= ULTIMATE.start_main_~y~4 9), 110109#(<= ULTIMATE.start_main_~y~4 12), 110108#(<= ULTIMATE.start_main_~y~4 11), 110111#(<= ULTIMATE.start_main_~y~4 14), 110110#(<= ULTIMATE.start_main_~y~4 13), 110113#(<= ULTIMATE.start_main_~y~4 16), 110112#(<= ULTIMATE.start_main_~y~4 15), 110115#(<= ULTIMATE.start_main_~y~4 18), 110114#(<= ULTIMATE.start_main_~y~4 17), 110117#(<= ULTIMATE.start_main_~y~4 20), 110116#(<= ULTIMATE.start_main_~y~4 19), 110119#(<= ULTIMATE.start_main_~y~4 22), 110118#(<= ULTIMATE.start_main_~y~4 21), 110121#(<= ULTIMATE.start_main_~y~4 24), 110120#(<= ULTIMATE.start_main_~y~4 23), 110123#(<= ULTIMATE.start_main_~y~4 26), 110122#(<= ULTIMATE.start_main_~y~4 25), 110125#(<= ULTIMATE.start_main_~y~4 28), 110124#(<= ULTIMATE.start_main_~y~4 27), 110127#(<= ULTIMATE.start_main_~y~4 30), 110126#(<= ULTIMATE.start_main_~y~4 29), 110129#(<= ULTIMATE.start_main_~y~4 32), 110128#(<= ULTIMATE.start_main_~y~4 31), 110131#(<= ULTIMATE.start_main_~y~4 34), 110130#(<= ULTIMATE.start_main_~y~4 33), 110133#(<= ULTIMATE.start_main_~y~4 36), 110132#(<= ULTIMATE.start_main_~y~4 35), 110135#(<= ULTIMATE.start_main_~y~4 38), 110134#(<= ULTIMATE.start_main_~y~4 37), 110137#(<= ULTIMATE.start_main_~y~4 40), 110136#(<= ULTIMATE.start_main_~y~4 39), 110139#(<= ULTIMATE.start_main_~y~4 42), 110138#(<= ULTIMATE.start_main_~y~4 41), 110141#(<= ULTIMATE.start_main_~y~4 44), 110140#(<= ULTIMATE.start_main_~y~4 43), 110143#(<= ULTIMATE.start_main_~y~4 46), 110142#(<= ULTIMATE.start_main_~y~4 45), 110145#(<= ULTIMATE.start_main_~y~4 48), 110144#(<= ULTIMATE.start_main_~y~4 47), 110147#(<= ULTIMATE.start_main_~y~4 50), 110146#(<= ULTIMATE.start_main_~y~4 49), 110149#(<= ULTIMATE.start_main_~y~4 52), 110148#(<= ULTIMATE.start_main_~y~4 51), 110151#(<= ULTIMATE.start_main_~y~4 54), 110150#(<= ULTIMATE.start_main_~y~4 53), 110153#(<= ULTIMATE.start_main_~y~4 56), 110152#(<= ULTIMATE.start_main_~y~4 55), 110155#(<= ULTIMATE.start_main_~y~4 58), 110154#(<= ULTIMATE.start_main_~y~4 57), 110157#(<= ULTIMATE.start_main_~y~4 60), 110156#(<= ULTIMATE.start_main_~y~4 59), 110159#(<= ULTIMATE.start_main_~y~4 62), 110158#(<= ULTIMATE.start_main_~y~4 61), 110161#(<= ULTIMATE.start_main_~y~4 64), 110160#(<= ULTIMATE.start_main_~y~4 63), 110163#(<= ULTIMATE.start_main_~y~4 66), 110162#(<= ULTIMATE.start_main_~y~4 65), 110165#(<= ULTIMATE.start_main_~y~4 68), 110164#(<= ULTIMATE.start_main_~y~4 67), 110167#(<= ULTIMATE.start_main_~y~4 70), 110166#(<= ULTIMATE.start_main_~y~4 69), 110169#(<= ULTIMATE.start_main_~y~4 72), 110168#(<= ULTIMATE.start_main_~y~4 71), 110171#(<= ULTIMATE.start_main_~y~4 74), 110170#(<= ULTIMATE.start_main_~y~4 73), 110173#(<= ULTIMATE.start_main_~y~4 76), 110172#(<= ULTIMATE.start_main_~y~4 75), 110175#(<= ULTIMATE.start_main_~y~4 78), 110174#(<= ULTIMATE.start_main_~y~4 77), 110177#(<= ULTIMATE.start_main_~y~4 80), 110176#(<= ULTIMATE.start_main_~y~4 79), 110179#(<= ULTIMATE.start_main_~y~4 82), 110178#(<= ULTIMATE.start_main_~y~4 81), 110181#(<= ULTIMATE.start_main_~y~4 84), 110180#(<= ULTIMATE.start_main_~y~4 83), 110183#(<= ULTIMATE.start_main_~y~4 86), 110182#(<= ULTIMATE.start_main_~y~4 85), 110185#(<= ULTIMATE.start_main_~y~4 88), 110184#(<= ULTIMATE.start_main_~y~4 87), 110187#(<= ULTIMATE.start_main_~y~4 90), 110186#(<= ULTIMATE.start_main_~y~4 89), 110189#(<= ULTIMATE.start_main_~y~4 92), 110188#(<= ULTIMATE.start_main_~y~4 91), 110191#(<= ULTIMATE.start_main_~y~4 94), 110190#(<= ULTIMATE.start_main_~y~4 93), 110193#(<= ULTIMATE.start_main_~y~4 96), 110192#(<= ULTIMATE.start_main_~y~4 95), 110195#(<= ULTIMATE.start_main_~y~4 98), 110194#(<= ULTIMATE.start_main_~y~4 97), 110197#(<= ULTIMATE.start_main_~y~4 100), 110196#(<= ULTIMATE.start_main_~y~4 99), 110199#(<= ULTIMATE.start_main_~y~4 102), 110198#(<= ULTIMATE.start_main_~y~4 101), 110201#(<= ULTIMATE.start_main_~y~4 104), 110200#(<= ULTIMATE.start_main_~y~4 103), 110203#(<= ULTIMATE.start_main_~y~4 106), 110202#(<= ULTIMATE.start_main_~y~4 105), 110205#(<= ULTIMATE.start_main_~y~4 108), 110204#(<= ULTIMATE.start_main_~y~4 107), 110207#(<= ULTIMATE.start_main_~y~4 110), 110206#(<= ULTIMATE.start_main_~y~4 109), 110209#(<= ULTIMATE.start_main_~y~4 112), 110208#(<= ULTIMATE.start_main_~y~4 111), 110211#(<= ULTIMATE.start_main_~y~4 114), 110210#(<= ULTIMATE.start_main_~y~4 113), 110213#(<= ULTIMATE.start_main_~y~4 116), 110212#(<= ULTIMATE.start_main_~y~4 115), 110215#(<= ULTIMATE.start_main_~y~4 118), 110214#(<= ULTIMATE.start_main_~y~4 117), 110217#(<= ULTIMATE.start_main_~y~4 120), 110216#(<= ULTIMATE.start_main_~y~4 119), 110219#(<= ULTIMATE.start_main_~y~4 122), 110218#(<= ULTIMATE.start_main_~y~4 121), 110221#(<= ULTIMATE.start_main_~y~4 124), 110220#(<= ULTIMATE.start_main_~y~4 123), 110223#(<= ULTIMATE.start_main_~y~4 126), 110222#(<= ULTIMATE.start_main_~y~4 125), 110225#(<= ULTIMATE.start_main_~y~4 128), 110224#(<= ULTIMATE.start_main_~y~4 127), 110227#(<= ULTIMATE.start_main_~y~4 130), 110226#(<= ULTIMATE.start_main_~y~4 129), 110229#(<= ULTIMATE.start_main_~y~4 132), 110228#(<= ULTIMATE.start_main_~y~4 131), 110231#(<= ULTIMATE.start_main_~y~4 134), 110230#(<= ULTIMATE.start_main_~y~4 133), 110233#(<= ULTIMATE.start_main_~y~4 136), 110232#(<= ULTIMATE.start_main_~y~4 135), 110235#(<= ULTIMATE.start_main_~y~4 138), 110234#(<= ULTIMATE.start_main_~y~4 137), 110237#(<= ULTIMATE.start_main_~y~4 140), 110236#(<= ULTIMATE.start_main_~y~4 139), 110239#(<= ULTIMATE.start_main_~y~4 142), 110238#(<= ULTIMATE.start_main_~y~4 141), 110241#(<= ULTIMATE.start_main_~y~4 144), 110240#(<= ULTIMATE.start_main_~y~4 143), 110243#(<= ULTIMATE.start_main_~y~4 146), 110242#(<= ULTIMATE.start_main_~y~4 145), 110245#(<= ULTIMATE.start_main_~y~4 148), 110244#(<= ULTIMATE.start_main_~y~4 147), 110247#(<= ULTIMATE.start_main_~y~4 150), 110246#(<= ULTIMATE.start_main_~y~4 149), 110249#(<= ULTIMATE.start_main_~y~4 152), 110248#(<= ULTIMATE.start_main_~y~4 151), 110251#(<= ULTIMATE.start_main_~y~4 154), 110250#(<= ULTIMATE.start_main_~y~4 153), 110253#(<= ULTIMATE.start_main_~y~4 156), 110252#(<= ULTIMATE.start_main_~y~4 155), 110255#(<= ULTIMATE.start_main_~y~4 158), 110254#(<= ULTIMATE.start_main_~y~4 157), 110257#(<= ULTIMATE.start_main_~y~4 160), 110256#(<= ULTIMATE.start_main_~y~4 159), 110259#(<= ULTIMATE.start_main_~y~4 162), 110258#(<= ULTIMATE.start_main_~y~4 161), 110261#(<= ULTIMATE.start_main_~y~4 164), 110260#(<= ULTIMATE.start_main_~y~4 163), 110263#(<= ULTIMATE.start_main_~y~4 166), 110262#(<= ULTIMATE.start_main_~y~4 165), 110265#(<= ULTIMATE.start_main_~y~4 168), 110264#(<= ULTIMATE.start_main_~y~4 167), 110267#(<= ULTIMATE.start_main_~y~4 170), 110266#(<= ULTIMATE.start_main_~y~4 169), 110269#(<= ULTIMATE.start_main_~y~4 172), 110268#(<= ULTIMATE.start_main_~y~4 171), 110271#(<= ULTIMATE.start_main_~y~4 174), 110270#(<= ULTIMATE.start_main_~y~4 173), 110273#(<= ULTIMATE.start_main_~y~4 176), 110272#(<= ULTIMATE.start_main_~y~4 175), 110275#(<= ULTIMATE.start_main_~y~4 178), 110274#(<= ULTIMATE.start_main_~y~4 177), 110277#(<= ULTIMATE.start_main_~y~4 180), 110276#(<= ULTIMATE.start_main_~y~4 179), 110279#(<= ULTIMATE.start_main_~y~4 182), 110278#(<= ULTIMATE.start_main_~y~4 181), 110281#(<= ULTIMATE.start_main_~y~4 184), 110280#(<= ULTIMATE.start_main_~y~4 183), 110283#(<= ULTIMATE.start_main_~y~4 186), 110282#(<= ULTIMATE.start_main_~y~4 185), 110285#(<= ULTIMATE.start_main_~y~4 188), 110284#(<= ULTIMATE.start_main_~y~4 187), 110287#(<= ULTIMATE.start_main_~y~4 190), 110286#(<= ULTIMATE.start_main_~y~4 189), 110289#(<= ULTIMATE.start_main_~y~4 192), 110288#(<= ULTIMATE.start_main_~y~4 191), 110291#(<= ULTIMATE.start_main_~y~4 194), 110290#(<= ULTIMATE.start_main_~y~4 193), 110293#(<= ULTIMATE.start_main_~y~4 196), 110292#(<= ULTIMATE.start_main_~y~4 195), 110295#(<= ULTIMATE.start_main_~y~4 198), 110294#(<= ULTIMATE.start_main_~y~4 197), 110297#(<= ULTIMATE.start_main_~y~4 200), 110296#(<= ULTIMATE.start_main_~y~4 199), 110299#(<= ULTIMATE.start_main_~y~4 202), 110298#(<= ULTIMATE.start_main_~y~4 201), 110301#(<= ULTIMATE.start_main_~y~4 204), 110300#(<= ULTIMATE.start_main_~y~4 203), 110302#(<= ULTIMATE.start_main_~y~4 205)] [2018-07-23 13:39:36,388 INFO L134 CoverageAnalysis]: Checked inductivity of 21115 backedges. 0 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:36,388 INFO L450 AbstractCegarLoop]: Interpolant automaton has 208 states [2018-07-23 13:39:36,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2018-07-23 13:39:36,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:39:36,393 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 208 states. [2018-07-23 13:39:37,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:37,954 INFO L93 Difference]: Finished difference Result 212 states and 212 transitions. [2018-07-23 13:39:37,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2018-07-23 13:39:37,955 INFO L78 Accepts]: Start accepts. Automaton has 208 states. Word has length 208 [2018-07-23 13:39:37,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:37,955 INFO L225 Difference]: With dead ends: 212 [2018-07-23 13:39:37,955 INFO L226 Difference]: Without dead ends: 210 [2018-07-23 13:39:37,957 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:39:37,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-07-23 13:39:37,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2018-07-23 13:39:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-07-23 13:39:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 210 transitions. [2018-07-23 13:39:37,960 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 210 transitions. Word has length 208 [2018-07-23 13:39:37,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:37,960 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 210 transitions. [2018-07-23 13:39:37,960 INFO L472 AbstractCegarLoop]: Interpolant automaton has 208 states. [2018-07-23 13:39:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 210 transitions. [2018-07-23 13:39:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-07-23 13:39:37,961 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:37,961 INFO L357 BasicCegarLoop]: trace histogram [206, 1, 1, 1] [2018-07-23 13:39:37,961 INFO L414 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:37,961 INFO L82 PathProgramCache]: Analyzing trace with hash 312947939, now seen corresponding path program 206 times [2018-07-23 13:39:37,961 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 21321 backedges. 0 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:39,051 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:39,051 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [208] total 208 [2018-07-23 13:39:39,052 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:39,052 INFO L185 omatonBuilderFactory]: Interpolants [111147#true, 111149#(<= ULTIMATE.start_main_~y~4 0), 111148#false, 111151#(<= ULTIMATE.start_main_~y~4 2), 111150#(<= ULTIMATE.start_main_~y~4 1), 111153#(<= ULTIMATE.start_main_~y~4 4), 111152#(<= ULTIMATE.start_main_~y~4 3), 111155#(<= ULTIMATE.start_main_~y~4 6), 111154#(<= ULTIMATE.start_main_~y~4 5), 111157#(<= ULTIMATE.start_main_~y~4 8), 111156#(<= ULTIMATE.start_main_~y~4 7), 111159#(<= ULTIMATE.start_main_~y~4 10), 111158#(<= ULTIMATE.start_main_~y~4 9), 111161#(<= ULTIMATE.start_main_~y~4 12), 111160#(<= ULTIMATE.start_main_~y~4 11), 111163#(<= ULTIMATE.start_main_~y~4 14), 111162#(<= ULTIMATE.start_main_~y~4 13), 111165#(<= ULTIMATE.start_main_~y~4 16), 111164#(<= ULTIMATE.start_main_~y~4 15), 111167#(<= ULTIMATE.start_main_~y~4 18), 111166#(<= ULTIMATE.start_main_~y~4 17), 111169#(<= ULTIMATE.start_main_~y~4 20), 111168#(<= ULTIMATE.start_main_~y~4 19), 111171#(<= ULTIMATE.start_main_~y~4 22), 111170#(<= ULTIMATE.start_main_~y~4 21), 111173#(<= ULTIMATE.start_main_~y~4 24), 111172#(<= ULTIMATE.start_main_~y~4 23), 111175#(<= ULTIMATE.start_main_~y~4 26), 111174#(<= ULTIMATE.start_main_~y~4 25), 111177#(<= ULTIMATE.start_main_~y~4 28), 111176#(<= ULTIMATE.start_main_~y~4 27), 111179#(<= ULTIMATE.start_main_~y~4 30), 111178#(<= ULTIMATE.start_main_~y~4 29), 111181#(<= ULTIMATE.start_main_~y~4 32), 111180#(<= ULTIMATE.start_main_~y~4 31), 111183#(<= ULTIMATE.start_main_~y~4 34), 111182#(<= ULTIMATE.start_main_~y~4 33), 111185#(<= ULTIMATE.start_main_~y~4 36), 111184#(<= ULTIMATE.start_main_~y~4 35), 111187#(<= ULTIMATE.start_main_~y~4 38), 111186#(<= ULTIMATE.start_main_~y~4 37), 111189#(<= ULTIMATE.start_main_~y~4 40), 111188#(<= ULTIMATE.start_main_~y~4 39), 111191#(<= ULTIMATE.start_main_~y~4 42), 111190#(<= ULTIMATE.start_main_~y~4 41), 111193#(<= ULTIMATE.start_main_~y~4 44), 111192#(<= ULTIMATE.start_main_~y~4 43), 111195#(<= ULTIMATE.start_main_~y~4 46), 111194#(<= ULTIMATE.start_main_~y~4 45), 111197#(<= ULTIMATE.start_main_~y~4 48), 111196#(<= ULTIMATE.start_main_~y~4 47), 111199#(<= ULTIMATE.start_main_~y~4 50), 111198#(<= ULTIMATE.start_main_~y~4 49), 111201#(<= ULTIMATE.start_main_~y~4 52), 111200#(<= ULTIMATE.start_main_~y~4 51), 111203#(<= ULTIMATE.start_main_~y~4 54), 111202#(<= ULTIMATE.start_main_~y~4 53), 111205#(<= ULTIMATE.start_main_~y~4 56), 111204#(<= ULTIMATE.start_main_~y~4 55), 111207#(<= ULTIMATE.start_main_~y~4 58), 111206#(<= ULTIMATE.start_main_~y~4 57), 111209#(<= ULTIMATE.start_main_~y~4 60), 111208#(<= ULTIMATE.start_main_~y~4 59), 111211#(<= ULTIMATE.start_main_~y~4 62), 111210#(<= ULTIMATE.start_main_~y~4 61), 111213#(<= ULTIMATE.start_main_~y~4 64), 111212#(<= ULTIMATE.start_main_~y~4 63), 111215#(<= ULTIMATE.start_main_~y~4 66), 111214#(<= ULTIMATE.start_main_~y~4 65), 111217#(<= ULTIMATE.start_main_~y~4 68), 111216#(<= ULTIMATE.start_main_~y~4 67), 111219#(<= ULTIMATE.start_main_~y~4 70), 111218#(<= ULTIMATE.start_main_~y~4 69), 111221#(<= ULTIMATE.start_main_~y~4 72), 111220#(<= ULTIMATE.start_main_~y~4 71), 111223#(<= ULTIMATE.start_main_~y~4 74), 111222#(<= ULTIMATE.start_main_~y~4 73), 111225#(<= ULTIMATE.start_main_~y~4 76), 111224#(<= ULTIMATE.start_main_~y~4 75), 111227#(<= ULTIMATE.start_main_~y~4 78), 111226#(<= ULTIMATE.start_main_~y~4 77), 111229#(<= ULTIMATE.start_main_~y~4 80), 111228#(<= ULTIMATE.start_main_~y~4 79), 111231#(<= ULTIMATE.start_main_~y~4 82), 111230#(<= ULTIMATE.start_main_~y~4 81), 111233#(<= ULTIMATE.start_main_~y~4 84), 111232#(<= ULTIMATE.start_main_~y~4 83), 111235#(<= ULTIMATE.start_main_~y~4 86), 111234#(<= ULTIMATE.start_main_~y~4 85), 111237#(<= ULTIMATE.start_main_~y~4 88), 111236#(<= ULTIMATE.start_main_~y~4 87), 111239#(<= ULTIMATE.start_main_~y~4 90), 111238#(<= ULTIMATE.start_main_~y~4 89), 111241#(<= ULTIMATE.start_main_~y~4 92), 111240#(<= ULTIMATE.start_main_~y~4 91), 111243#(<= ULTIMATE.start_main_~y~4 94), 111242#(<= ULTIMATE.start_main_~y~4 93), 111245#(<= ULTIMATE.start_main_~y~4 96), 111244#(<= ULTIMATE.start_main_~y~4 95), 111247#(<= ULTIMATE.start_main_~y~4 98), 111246#(<= ULTIMATE.start_main_~y~4 97), 111249#(<= ULTIMATE.start_main_~y~4 100), 111248#(<= ULTIMATE.start_main_~y~4 99), 111251#(<= ULTIMATE.start_main_~y~4 102), 111250#(<= ULTIMATE.start_main_~y~4 101), 111253#(<= ULTIMATE.start_main_~y~4 104), 111252#(<= ULTIMATE.start_main_~y~4 103), 111255#(<= ULTIMATE.start_main_~y~4 106), 111254#(<= ULTIMATE.start_main_~y~4 105), 111257#(<= ULTIMATE.start_main_~y~4 108), 111256#(<= ULTIMATE.start_main_~y~4 107), 111259#(<= ULTIMATE.start_main_~y~4 110), 111258#(<= ULTIMATE.start_main_~y~4 109), 111261#(<= ULTIMATE.start_main_~y~4 112), 111260#(<= ULTIMATE.start_main_~y~4 111), 111263#(<= ULTIMATE.start_main_~y~4 114), 111262#(<= ULTIMATE.start_main_~y~4 113), 111265#(<= ULTIMATE.start_main_~y~4 116), 111264#(<= ULTIMATE.start_main_~y~4 115), 111267#(<= ULTIMATE.start_main_~y~4 118), 111266#(<= ULTIMATE.start_main_~y~4 117), 111269#(<= ULTIMATE.start_main_~y~4 120), 111268#(<= ULTIMATE.start_main_~y~4 119), 111271#(<= ULTIMATE.start_main_~y~4 122), 111270#(<= ULTIMATE.start_main_~y~4 121), 111273#(<= ULTIMATE.start_main_~y~4 124), 111272#(<= ULTIMATE.start_main_~y~4 123), 111275#(<= ULTIMATE.start_main_~y~4 126), 111274#(<= ULTIMATE.start_main_~y~4 125), 111277#(<= ULTIMATE.start_main_~y~4 128), 111276#(<= ULTIMATE.start_main_~y~4 127), 111279#(<= ULTIMATE.start_main_~y~4 130), 111278#(<= ULTIMATE.start_main_~y~4 129), 111281#(<= ULTIMATE.start_main_~y~4 132), 111280#(<= ULTIMATE.start_main_~y~4 131), 111283#(<= ULTIMATE.start_main_~y~4 134), 111282#(<= ULTIMATE.start_main_~y~4 133), 111285#(<= ULTIMATE.start_main_~y~4 136), 111284#(<= ULTIMATE.start_main_~y~4 135), 111287#(<= ULTIMATE.start_main_~y~4 138), 111286#(<= ULTIMATE.start_main_~y~4 137), 111289#(<= ULTIMATE.start_main_~y~4 140), 111288#(<= ULTIMATE.start_main_~y~4 139), 111291#(<= ULTIMATE.start_main_~y~4 142), 111290#(<= ULTIMATE.start_main_~y~4 141), 111293#(<= ULTIMATE.start_main_~y~4 144), 111292#(<= ULTIMATE.start_main_~y~4 143), 111295#(<= ULTIMATE.start_main_~y~4 146), 111294#(<= ULTIMATE.start_main_~y~4 145), 111297#(<= ULTIMATE.start_main_~y~4 148), 111296#(<= ULTIMATE.start_main_~y~4 147), 111299#(<= ULTIMATE.start_main_~y~4 150), 111298#(<= ULTIMATE.start_main_~y~4 149), 111301#(<= ULTIMATE.start_main_~y~4 152), 111300#(<= ULTIMATE.start_main_~y~4 151), 111303#(<= ULTIMATE.start_main_~y~4 154), 111302#(<= ULTIMATE.start_main_~y~4 153), 111305#(<= ULTIMATE.start_main_~y~4 156), 111304#(<= ULTIMATE.start_main_~y~4 155), 111307#(<= ULTIMATE.start_main_~y~4 158), 111306#(<= ULTIMATE.start_main_~y~4 157), 111309#(<= ULTIMATE.start_main_~y~4 160), 111308#(<= ULTIMATE.start_main_~y~4 159), 111311#(<= ULTIMATE.start_main_~y~4 162), 111310#(<= ULTIMATE.start_main_~y~4 161), 111313#(<= ULTIMATE.start_main_~y~4 164), 111312#(<= ULTIMATE.start_main_~y~4 163), 111315#(<= ULTIMATE.start_main_~y~4 166), 111314#(<= ULTIMATE.start_main_~y~4 165), 111317#(<= ULTIMATE.start_main_~y~4 168), 111316#(<= ULTIMATE.start_main_~y~4 167), 111319#(<= ULTIMATE.start_main_~y~4 170), 111318#(<= ULTIMATE.start_main_~y~4 169), 111321#(<= ULTIMATE.start_main_~y~4 172), 111320#(<= ULTIMATE.start_main_~y~4 171), 111323#(<= ULTIMATE.start_main_~y~4 174), 111322#(<= ULTIMATE.start_main_~y~4 173), 111325#(<= ULTIMATE.start_main_~y~4 176), 111324#(<= ULTIMATE.start_main_~y~4 175), 111327#(<= ULTIMATE.start_main_~y~4 178), 111326#(<= ULTIMATE.start_main_~y~4 177), 111329#(<= ULTIMATE.start_main_~y~4 180), 111328#(<= ULTIMATE.start_main_~y~4 179), 111331#(<= ULTIMATE.start_main_~y~4 182), 111330#(<= ULTIMATE.start_main_~y~4 181), 111333#(<= ULTIMATE.start_main_~y~4 184), 111332#(<= ULTIMATE.start_main_~y~4 183), 111335#(<= ULTIMATE.start_main_~y~4 186), 111334#(<= ULTIMATE.start_main_~y~4 185), 111337#(<= ULTIMATE.start_main_~y~4 188), 111336#(<= ULTIMATE.start_main_~y~4 187), 111339#(<= ULTIMATE.start_main_~y~4 190), 111338#(<= ULTIMATE.start_main_~y~4 189), 111341#(<= ULTIMATE.start_main_~y~4 192), 111340#(<= ULTIMATE.start_main_~y~4 191), 111343#(<= ULTIMATE.start_main_~y~4 194), 111342#(<= ULTIMATE.start_main_~y~4 193), 111345#(<= ULTIMATE.start_main_~y~4 196), 111344#(<= ULTIMATE.start_main_~y~4 195), 111347#(<= ULTIMATE.start_main_~y~4 198), 111346#(<= ULTIMATE.start_main_~y~4 197), 111349#(<= ULTIMATE.start_main_~y~4 200), 111348#(<= ULTIMATE.start_main_~y~4 199), 111351#(<= ULTIMATE.start_main_~y~4 202), 111350#(<= ULTIMATE.start_main_~y~4 201), 111353#(<= ULTIMATE.start_main_~y~4 204), 111352#(<= ULTIMATE.start_main_~y~4 203), 111355#(<= ULTIMATE.start_main_~y~4 206), 111354#(<= ULTIMATE.start_main_~y~4 205)] [2018-07-23 13:39:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 21321 backedges. 0 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:39,053 INFO L450 AbstractCegarLoop]: Interpolant automaton has 209 states [2018-07-23 13:39:39,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2018-07-23 13:39:39,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:39:39,058 INFO L87 Difference]: Start difference. First operand 210 states and 210 transitions. Second operand 209 states. [2018-07-23 13:39:40,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:40,419 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:39:40,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2018-07-23 13:39:40,419 INFO L78 Accepts]: Start accepts. Automaton has 209 states. Word has length 209 [2018-07-23 13:39:40,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:40,419 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:39:40,419 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:39:40,421 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:39:40,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:39:40,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:39:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:39:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:39:40,424 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 209 [2018-07-23 13:39:40,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:40,424 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:39:40,424 INFO L472 AbstractCegarLoop]: Interpolant automaton has 209 states. [2018-07-23 13:39:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:39:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:39:40,425 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:40,425 INFO L357 BasicCegarLoop]: trace histogram [207, 1, 1, 1] [2018-07-23 13:39:40,425 INFO L414 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:40,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1111453324, now seen corresponding path program 207 times [2018-07-23 13:39:40,425 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:41,482 INFO L134 CoverageAnalysis]: Checked inductivity of 21528 backedges. 0 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:41,483 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:41,483 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [209] total 209 [2018-07-23 13:39:41,483 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:41,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:41,484 INFO L185 omatonBuilderFactory]: Interpolants [112205#false, 112204#true, 112207#(<= ULTIMATE.start_main_~y~4 1), 112206#(<= ULTIMATE.start_main_~y~4 0), 112209#(<= ULTIMATE.start_main_~y~4 3), 112208#(<= ULTIMATE.start_main_~y~4 2), 112211#(<= ULTIMATE.start_main_~y~4 5), 112210#(<= ULTIMATE.start_main_~y~4 4), 112213#(<= ULTIMATE.start_main_~y~4 7), 112212#(<= ULTIMATE.start_main_~y~4 6), 112215#(<= ULTIMATE.start_main_~y~4 9), 112214#(<= ULTIMATE.start_main_~y~4 8), 112217#(<= ULTIMATE.start_main_~y~4 11), 112216#(<= ULTIMATE.start_main_~y~4 10), 112219#(<= ULTIMATE.start_main_~y~4 13), 112218#(<= ULTIMATE.start_main_~y~4 12), 112221#(<= ULTIMATE.start_main_~y~4 15), 112220#(<= ULTIMATE.start_main_~y~4 14), 112223#(<= ULTIMATE.start_main_~y~4 17), 112222#(<= ULTIMATE.start_main_~y~4 16), 112225#(<= ULTIMATE.start_main_~y~4 19), 112224#(<= ULTIMATE.start_main_~y~4 18), 112227#(<= ULTIMATE.start_main_~y~4 21), 112226#(<= ULTIMATE.start_main_~y~4 20), 112229#(<= ULTIMATE.start_main_~y~4 23), 112228#(<= ULTIMATE.start_main_~y~4 22), 112231#(<= ULTIMATE.start_main_~y~4 25), 112230#(<= ULTIMATE.start_main_~y~4 24), 112233#(<= ULTIMATE.start_main_~y~4 27), 112232#(<= ULTIMATE.start_main_~y~4 26), 112235#(<= ULTIMATE.start_main_~y~4 29), 112234#(<= ULTIMATE.start_main_~y~4 28), 112237#(<= ULTIMATE.start_main_~y~4 31), 112236#(<= ULTIMATE.start_main_~y~4 30), 112239#(<= ULTIMATE.start_main_~y~4 33), 112238#(<= ULTIMATE.start_main_~y~4 32), 112241#(<= ULTIMATE.start_main_~y~4 35), 112240#(<= ULTIMATE.start_main_~y~4 34), 112243#(<= ULTIMATE.start_main_~y~4 37), 112242#(<= ULTIMATE.start_main_~y~4 36), 112245#(<= ULTIMATE.start_main_~y~4 39), 112244#(<= ULTIMATE.start_main_~y~4 38), 112247#(<= ULTIMATE.start_main_~y~4 41), 112246#(<= ULTIMATE.start_main_~y~4 40), 112249#(<= ULTIMATE.start_main_~y~4 43), 112248#(<= ULTIMATE.start_main_~y~4 42), 112251#(<= ULTIMATE.start_main_~y~4 45), 112250#(<= ULTIMATE.start_main_~y~4 44), 112253#(<= ULTIMATE.start_main_~y~4 47), 112252#(<= ULTIMATE.start_main_~y~4 46), 112255#(<= ULTIMATE.start_main_~y~4 49), 112254#(<= ULTIMATE.start_main_~y~4 48), 112257#(<= ULTIMATE.start_main_~y~4 51), 112256#(<= ULTIMATE.start_main_~y~4 50), 112259#(<= ULTIMATE.start_main_~y~4 53), 112258#(<= ULTIMATE.start_main_~y~4 52), 112261#(<= ULTIMATE.start_main_~y~4 55), 112260#(<= ULTIMATE.start_main_~y~4 54), 112263#(<= ULTIMATE.start_main_~y~4 57), 112262#(<= ULTIMATE.start_main_~y~4 56), 112265#(<= ULTIMATE.start_main_~y~4 59), 112264#(<= ULTIMATE.start_main_~y~4 58), 112267#(<= ULTIMATE.start_main_~y~4 61), 112266#(<= ULTIMATE.start_main_~y~4 60), 112269#(<= ULTIMATE.start_main_~y~4 63), 112268#(<= ULTIMATE.start_main_~y~4 62), 112271#(<= ULTIMATE.start_main_~y~4 65), 112270#(<= ULTIMATE.start_main_~y~4 64), 112273#(<= ULTIMATE.start_main_~y~4 67), 112272#(<= ULTIMATE.start_main_~y~4 66), 112275#(<= ULTIMATE.start_main_~y~4 69), 112274#(<= ULTIMATE.start_main_~y~4 68), 112277#(<= ULTIMATE.start_main_~y~4 71), 112276#(<= ULTIMATE.start_main_~y~4 70), 112279#(<= ULTIMATE.start_main_~y~4 73), 112278#(<= ULTIMATE.start_main_~y~4 72), 112281#(<= ULTIMATE.start_main_~y~4 75), 112280#(<= ULTIMATE.start_main_~y~4 74), 112283#(<= ULTIMATE.start_main_~y~4 77), 112282#(<= ULTIMATE.start_main_~y~4 76), 112285#(<= ULTIMATE.start_main_~y~4 79), 112284#(<= ULTIMATE.start_main_~y~4 78), 112287#(<= ULTIMATE.start_main_~y~4 81), 112286#(<= ULTIMATE.start_main_~y~4 80), 112289#(<= ULTIMATE.start_main_~y~4 83), 112288#(<= ULTIMATE.start_main_~y~4 82), 112291#(<= ULTIMATE.start_main_~y~4 85), 112290#(<= ULTIMATE.start_main_~y~4 84), 112293#(<= ULTIMATE.start_main_~y~4 87), 112292#(<= ULTIMATE.start_main_~y~4 86), 112295#(<= ULTIMATE.start_main_~y~4 89), 112294#(<= ULTIMATE.start_main_~y~4 88), 112297#(<= ULTIMATE.start_main_~y~4 91), 112296#(<= ULTIMATE.start_main_~y~4 90), 112299#(<= ULTIMATE.start_main_~y~4 93), 112298#(<= ULTIMATE.start_main_~y~4 92), 112301#(<= ULTIMATE.start_main_~y~4 95), 112300#(<= ULTIMATE.start_main_~y~4 94), 112303#(<= ULTIMATE.start_main_~y~4 97), 112302#(<= ULTIMATE.start_main_~y~4 96), 112305#(<= ULTIMATE.start_main_~y~4 99), 112304#(<= ULTIMATE.start_main_~y~4 98), 112307#(<= ULTIMATE.start_main_~y~4 101), 112306#(<= ULTIMATE.start_main_~y~4 100), 112309#(<= ULTIMATE.start_main_~y~4 103), 112308#(<= ULTIMATE.start_main_~y~4 102), 112311#(<= ULTIMATE.start_main_~y~4 105), 112310#(<= ULTIMATE.start_main_~y~4 104), 112313#(<= ULTIMATE.start_main_~y~4 107), 112312#(<= ULTIMATE.start_main_~y~4 106), 112315#(<= ULTIMATE.start_main_~y~4 109), 112314#(<= ULTIMATE.start_main_~y~4 108), 112317#(<= ULTIMATE.start_main_~y~4 111), 112316#(<= ULTIMATE.start_main_~y~4 110), 112319#(<= ULTIMATE.start_main_~y~4 113), 112318#(<= ULTIMATE.start_main_~y~4 112), 112321#(<= ULTIMATE.start_main_~y~4 115), 112320#(<= ULTIMATE.start_main_~y~4 114), 112323#(<= ULTIMATE.start_main_~y~4 117), 112322#(<= ULTIMATE.start_main_~y~4 116), 112325#(<= ULTIMATE.start_main_~y~4 119), 112324#(<= ULTIMATE.start_main_~y~4 118), 112327#(<= ULTIMATE.start_main_~y~4 121), 112326#(<= ULTIMATE.start_main_~y~4 120), 112329#(<= ULTIMATE.start_main_~y~4 123), 112328#(<= ULTIMATE.start_main_~y~4 122), 112331#(<= ULTIMATE.start_main_~y~4 125), 112330#(<= ULTIMATE.start_main_~y~4 124), 112333#(<= ULTIMATE.start_main_~y~4 127), 112332#(<= ULTIMATE.start_main_~y~4 126), 112335#(<= ULTIMATE.start_main_~y~4 129), 112334#(<= ULTIMATE.start_main_~y~4 128), 112337#(<= ULTIMATE.start_main_~y~4 131), 112336#(<= ULTIMATE.start_main_~y~4 130), 112339#(<= ULTIMATE.start_main_~y~4 133), 112338#(<= ULTIMATE.start_main_~y~4 132), 112341#(<= ULTIMATE.start_main_~y~4 135), 112340#(<= ULTIMATE.start_main_~y~4 134), 112343#(<= ULTIMATE.start_main_~y~4 137), 112342#(<= ULTIMATE.start_main_~y~4 136), 112345#(<= ULTIMATE.start_main_~y~4 139), 112344#(<= ULTIMATE.start_main_~y~4 138), 112347#(<= ULTIMATE.start_main_~y~4 141), 112346#(<= ULTIMATE.start_main_~y~4 140), 112349#(<= ULTIMATE.start_main_~y~4 143), 112348#(<= ULTIMATE.start_main_~y~4 142), 112351#(<= ULTIMATE.start_main_~y~4 145), 112350#(<= ULTIMATE.start_main_~y~4 144), 112353#(<= ULTIMATE.start_main_~y~4 147), 112352#(<= ULTIMATE.start_main_~y~4 146), 112355#(<= ULTIMATE.start_main_~y~4 149), 112354#(<= ULTIMATE.start_main_~y~4 148), 112357#(<= ULTIMATE.start_main_~y~4 151), 112356#(<= ULTIMATE.start_main_~y~4 150), 112359#(<= ULTIMATE.start_main_~y~4 153), 112358#(<= ULTIMATE.start_main_~y~4 152), 112361#(<= ULTIMATE.start_main_~y~4 155), 112360#(<= ULTIMATE.start_main_~y~4 154), 112363#(<= ULTIMATE.start_main_~y~4 157), 112362#(<= ULTIMATE.start_main_~y~4 156), 112365#(<= ULTIMATE.start_main_~y~4 159), 112364#(<= ULTIMATE.start_main_~y~4 158), 112367#(<= ULTIMATE.start_main_~y~4 161), 112366#(<= ULTIMATE.start_main_~y~4 160), 112369#(<= ULTIMATE.start_main_~y~4 163), 112368#(<= ULTIMATE.start_main_~y~4 162), 112371#(<= ULTIMATE.start_main_~y~4 165), 112370#(<= ULTIMATE.start_main_~y~4 164), 112373#(<= ULTIMATE.start_main_~y~4 167), 112372#(<= ULTIMATE.start_main_~y~4 166), 112375#(<= ULTIMATE.start_main_~y~4 169), 112374#(<= ULTIMATE.start_main_~y~4 168), 112377#(<= ULTIMATE.start_main_~y~4 171), 112376#(<= ULTIMATE.start_main_~y~4 170), 112379#(<= ULTIMATE.start_main_~y~4 173), 112378#(<= ULTIMATE.start_main_~y~4 172), 112381#(<= ULTIMATE.start_main_~y~4 175), 112380#(<= ULTIMATE.start_main_~y~4 174), 112383#(<= ULTIMATE.start_main_~y~4 177), 112382#(<= ULTIMATE.start_main_~y~4 176), 112385#(<= ULTIMATE.start_main_~y~4 179), 112384#(<= ULTIMATE.start_main_~y~4 178), 112387#(<= ULTIMATE.start_main_~y~4 181), 112386#(<= ULTIMATE.start_main_~y~4 180), 112389#(<= ULTIMATE.start_main_~y~4 183), 112388#(<= ULTIMATE.start_main_~y~4 182), 112391#(<= ULTIMATE.start_main_~y~4 185), 112390#(<= ULTIMATE.start_main_~y~4 184), 112393#(<= ULTIMATE.start_main_~y~4 187), 112392#(<= ULTIMATE.start_main_~y~4 186), 112395#(<= ULTIMATE.start_main_~y~4 189), 112394#(<= ULTIMATE.start_main_~y~4 188), 112397#(<= ULTIMATE.start_main_~y~4 191), 112396#(<= ULTIMATE.start_main_~y~4 190), 112399#(<= ULTIMATE.start_main_~y~4 193), 112398#(<= ULTIMATE.start_main_~y~4 192), 112401#(<= ULTIMATE.start_main_~y~4 195), 112400#(<= ULTIMATE.start_main_~y~4 194), 112403#(<= ULTIMATE.start_main_~y~4 197), 112402#(<= ULTIMATE.start_main_~y~4 196), 112405#(<= ULTIMATE.start_main_~y~4 199), 112404#(<= ULTIMATE.start_main_~y~4 198), 112407#(<= ULTIMATE.start_main_~y~4 201), 112406#(<= ULTIMATE.start_main_~y~4 200), 112409#(<= ULTIMATE.start_main_~y~4 203), 112408#(<= ULTIMATE.start_main_~y~4 202), 112411#(<= ULTIMATE.start_main_~y~4 205), 112410#(<= ULTIMATE.start_main_~y~4 204), 112413#(<= ULTIMATE.start_main_~y~4 207), 112412#(<= ULTIMATE.start_main_~y~4 206)] [2018-07-23 13:39:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 21528 backedges. 0 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:41,485 INFO L450 AbstractCegarLoop]: Interpolant automaton has 210 states [2018-07-23 13:39:41,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2018-07-23 13:39:41,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:39:41,489 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 210 states. [2018-07-23 13:39:42,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:42,714 INFO L93 Difference]: Finished difference Result 214 states and 214 transitions. [2018-07-23 13:39:42,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2018-07-23 13:39:42,715 INFO L78 Accepts]: Start accepts. Automaton has 210 states. Word has length 210 [2018-07-23 13:39:42,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:42,715 INFO L225 Difference]: With dead ends: 214 [2018-07-23 13:39:42,715 INFO L226 Difference]: Without dead ends: 212 [2018-07-23 13:39:42,718 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:39:42,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-07-23 13:39:42,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2018-07-23 13:39:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-07-23 13:39:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 212 transitions. [2018-07-23 13:39:42,721 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 212 transitions. Word has length 210 [2018-07-23 13:39:42,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:42,721 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 212 transitions. [2018-07-23 13:39:42,722 INFO L472 AbstractCegarLoop]: Interpolant automaton has 210 states. [2018-07-23 13:39:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 212 transitions. [2018-07-23 13:39:42,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-07-23 13:39:42,722 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:42,723 INFO L357 BasicCegarLoop]: trace histogram [208, 1, 1, 1] [2018-07-23 13:39:42,723 INFO L414 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:42,723 INFO L82 PathProgramCache]: Analyzing trace with hash 95316483, now seen corresponding path program 208 times [2018-07-23 13:39:42,723 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 21736 backedges. 0 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:44,029 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:44,029 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [210] total 210 [2018-07-23 13:39:44,030 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:44,030 INFO L185 omatonBuilderFactory]: Interpolants [113267#false, 113266#true, 113269#(<= ULTIMATE.start_main_~y~4 1), 113268#(<= ULTIMATE.start_main_~y~4 0), 113271#(<= ULTIMATE.start_main_~y~4 3), 113270#(<= ULTIMATE.start_main_~y~4 2), 113273#(<= ULTIMATE.start_main_~y~4 5), 113272#(<= ULTIMATE.start_main_~y~4 4), 113275#(<= ULTIMATE.start_main_~y~4 7), 113274#(<= ULTIMATE.start_main_~y~4 6), 113277#(<= ULTIMATE.start_main_~y~4 9), 113276#(<= ULTIMATE.start_main_~y~4 8), 113279#(<= ULTIMATE.start_main_~y~4 11), 113278#(<= ULTIMATE.start_main_~y~4 10), 113281#(<= ULTIMATE.start_main_~y~4 13), 113280#(<= ULTIMATE.start_main_~y~4 12), 113283#(<= ULTIMATE.start_main_~y~4 15), 113282#(<= ULTIMATE.start_main_~y~4 14), 113285#(<= ULTIMATE.start_main_~y~4 17), 113284#(<= ULTIMATE.start_main_~y~4 16), 113287#(<= ULTIMATE.start_main_~y~4 19), 113286#(<= ULTIMATE.start_main_~y~4 18), 113289#(<= ULTIMATE.start_main_~y~4 21), 113288#(<= ULTIMATE.start_main_~y~4 20), 113291#(<= ULTIMATE.start_main_~y~4 23), 113290#(<= ULTIMATE.start_main_~y~4 22), 113293#(<= ULTIMATE.start_main_~y~4 25), 113292#(<= ULTIMATE.start_main_~y~4 24), 113295#(<= ULTIMATE.start_main_~y~4 27), 113294#(<= ULTIMATE.start_main_~y~4 26), 113297#(<= ULTIMATE.start_main_~y~4 29), 113296#(<= ULTIMATE.start_main_~y~4 28), 113299#(<= ULTIMATE.start_main_~y~4 31), 113298#(<= ULTIMATE.start_main_~y~4 30), 113301#(<= ULTIMATE.start_main_~y~4 33), 113300#(<= ULTIMATE.start_main_~y~4 32), 113303#(<= ULTIMATE.start_main_~y~4 35), 113302#(<= ULTIMATE.start_main_~y~4 34), 113305#(<= ULTIMATE.start_main_~y~4 37), 113304#(<= ULTIMATE.start_main_~y~4 36), 113307#(<= ULTIMATE.start_main_~y~4 39), 113306#(<= ULTIMATE.start_main_~y~4 38), 113309#(<= ULTIMATE.start_main_~y~4 41), 113308#(<= ULTIMATE.start_main_~y~4 40), 113311#(<= ULTIMATE.start_main_~y~4 43), 113310#(<= ULTIMATE.start_main_~y~4 42), 113313#(<= ULTIMATE.start_main_~y~4 45), 113312#(<= ULTIMATE.start_main_~y~4 44), 113315#(<= ULTIMATE.start_main_~y~4 47), 113314#(<= ULTIMATE.start_main_~y~4 46), 113317#(<= ULTIMATE.start_main_~y~4 49), 113316#(<= ULTIMATE.start_main_~y~4 48), 113319#(<= ULTIMATE.start_main_~y~4 51), 113318#(<= ULTIMATE.start_main_~y~4 50), 113321#(<= ULTIMATE.start_main_~y~4 53), 113320#(<= ULTIMATE.start_main_~y~4 52), 113323#(<= ULTIMATE.start_main_~y~4 55), 113322#(<= ULTIMATE.start_main_~y~4 54), 113325#(<= ULTIMATE.start_main_~y~4 57), 113324#(<= ULTIMATE.start_main_~y~4 56), 113327#(<= ULTIMATE.start_main_~y~4 59), 113326#(<= ULTIMATE.start_main_~y~4 58), 113329#(<= ULTIMATE.start_main_~y~4 61), 113328#(<= ULTIMATE.start_main_~y~4 60), 113331#(<= ULTIMATE.start_main_~y~4 63), 113330#(<= ULTIMATE.start_main_~y~4 62), 113333#(<= ULTIMATE.start_main_~y~4 65), 113332#(<= ULTIMATE.start_main_~y~4 64), 113335#(<= ULTIMATE.start_main_~y~4 67), 113334#(<= ULTIMATE.start_main_~y~4 66), 113337#(<= ULTIMATE.start_main_~y~4 69), 113336#(<= ULTIMATE.start_main_~y~4 68), 113339#(<= ULTIMATE.start_main_~y~4 71), 113338#(<= ULTIMATE.start_main_~y~4 70), 113341#(<= ULTIMATE.start_main_~y~4 73), 113340#(<= ULTIMATE.start_main_~y~4 72), 113343#(<= ULTIMATE.start_main_~y~4 75), 113342#(<= ULTIMATE.start_main_~y~4 74), 113345#(<= ULTIMATE.start_main_~y~4 77), 113344#(<= ULTIMATE.start_main_~y~4 76), 113347#(<= ULTIMATE.start_main_~y~4 79), 113346#(<= ULTIMATE.start_main_~y~4 78), 113349#(<= ULTIMATE.start_main_~y~4 81), 113348#(<= ULTIMATE.start_main_~y~4 80), 113351#(<= ULTIMATE.start_main_~y~4 83), 113350#(<= ULTIMATE.start_main_~y~4 82), 113353#(<= ULTIMATE.start_main_~y~4 85), 113352#(<= ULTIMATE.start_main_~y~4 84), 113355#(<= ULTIMATE.start_main_~y~4 87), 113354#(<= ULTIMATE.start_main_~y~4 86), 113357#(<= ULTIMATE.start_main_~y~4 89), 113356#(<= ULTIMATE.start_main_~y~4 88), 113359#(<= ULTIMATE.start_main_~y~4 91), 113358#(<= ULTIMATE.start_main_~y~4 90), 113361#(<= ULTIMATE.start_main_~y~4 93), 113360#(<= ULTIMATE.start_main_~y~4 92), 113363#(<= ULTIMATE.start_main_~y~4 95), 113362#(<= ULTIMATE.start_main_~y~4 94), 113365#(<= ULTIMATE.start_main_~y~4 97), 113364#(<= ULTIMATE.start_main_~y~4 96), 113367#(<= ULTIMATE.start_main_~y~4 99), 113366#(<= ULTIMATE.start_main_~y~4 98), 113369#(<= ULTIMATE.start_main_~y~4 101), 113368#(<= ULTIMATE.start_main_~y~4 100), 113371#(<= ULTIMATE.start_main_~y~4 103), 113370#(<= ULTIMATE.start_main_~y~4 102), 113373#(<= ULTIMATE.start_main_~y~4 105), 113372#(<= ULTIMATE.start_main_~y~4 104), 113375#(<= ULTIMATE.start_main_~y~4 107), 113374#(<= ULTIMATE.start_main_~y~4 106), 113377#(<= ULTIMATE.start_main_~y~4 109), 113376#(<= ULTIMATE.start_main_~y~4 108), 113379#(<= ULTIMATE.start_main_~y~4 111), 113378#(<= ULTIMATE.start_main_~y~4 110), 113381#(<= ULTIMATE.start_main_~y~4 113), 113380#(<= ULTIMATE.start_main_~y~4 112), 113383#(<= ULTIMATE.start_main_~y~4 115), 113382#(<= ULTIMATE.start_main_~y~4 114), 113385#(<= ULTIMATE.start_main_~y~4 117), 113384#(<= ULTIMATE.start_main_~y~4 116), 113387#(<= ULTIMATE.start_main_~y~4 119), 113386#(<= ULTIMATE.start_main_~y~4 118), 113389#(<= ULTIMATE.start_main_~y~4 121), 113388#(<= ULTIMATE.start_main_~y~4 120), 113391#(<= ULTIMATE.start_main_~y~4 123), 113390#(<= ULTIMATE.start_main_~y~4 122), 113393#(<= ULTIMATE.start_main_~y~4 125), 113392#(<= ULTIMATE.start_main_~y~4 124), 113395#(<= ULTIMATE.start_main_~y~4 127), 113394#(<= ULTIMATE.start_main_~y~4 126), 113397#(<= ULTIMATE.start_main_~y~4 129), 113396#(<= ULTIMATE.start_main_~y~4 128), 113399#(<= ULTIMATE.start_main_~y~4 131), 113398#(<= ULTIMATE.start_main_~y~4 130), 113401#(<= ULTIMATE.start_main_~y~4 133), 113400#(<= ULTIMATE.start_main_~y~4 132), 113403#(<= ULTIMATE.start_main_~y~4 135), 113402#(<= ULTIMATE.start_main_~y~4 134), 113405#(<= ULTIMATE.start_main_~y~4 137), 113404#(<= ULTIMATE.start_main_~y~4 136), 113407#(<= ULTIMATE.start_main_~y~4 139), 113406#(<= ULTIMATE.start_main_~y~4 138), 113409#(<= ULTIMATE.start_main_~y~4 141), 113408#(<= ULTIMATE.start_main_~y~4 140), 113411#(<= ULTIMATE.start_main_~y~4 143), 113410#(<= ULTIMATE.start_main_~y~4 142), 113413#(<= ULTIMATE.start_main_~y~4 145), 113412#(<= ULTIMATE.start_main_~y~4 144), 113415#(<= ULTIMATE.start_main_~y~4 147), 113414#(<= ULTIMATE.start_main_~y~4 146), 113417#(<= ULTIMATE.start_main_~y~4 149), 113416#(<= ULTIMATE.start_main_~y~4 148), 113419#(<= ULTIMATE.start_main_~y~4 151), 113418#(<= ULTIMATE.start_main_~y~4 150), 113421#(<= ULTIMATE.start_main_~y~4 153), 113420#(<= ULTIMATE.start_main_~y~4 152), 113423#(<= ULTIMATE.start_main_~y~4 155), 113422#(<= ULTIMATE.start_main_~y~4 154), 113425#(<= ULTIMATE.start_main_~y~4 157), 113424#(<= ULTIMATE.start_main_~y~4 156), 113427#(<= ULTIMATE.start_main_~y~4 159), 113426#(<= ULTIMATE.start_main_~y~4 158), 113429#(<= ULTIMATE.start_main_~y~4 161), 113428#(<= ULTIMATE.start_main_~y~4 160), 113431#(<= ULTIMATE.start_main_~y~4 163), 113430#(<= ULTIMATE.start_main_~y~4 162), 113433#(<= ULTIMATE.start_main_~y~4 165), 113432#(<= ULTIMATE.start_main_~y~4 164), 113435#(<= ULTIMATE.start_main_~y~4 167), 113434#(<= ULTIMATE.start_main_~y~4 166), 113437#(<= ULTIMATE.start_main_~y~4 169), 113436#(<= ULTIMATE.start_main_~y~4 168), 113439#(<= ULTIMATE.start_main_~y~4 171), 113438#(<= ULTIMATE.start_main_~y~4 170), 113441#(<= ULTIMATE.start_main_~y~4 173), 113440#(<= ULTIMATE.start_main_~y~4 172), 113443#(<= ULTIMATE.start_main_~y~4 175), 113442#(<= ULTIMATE.start_main_~y~4 174), 113445#(<= ULTIMATE.start_main_~y~4 177), 113444#(<= ULTIMATE.start_main_~y~4 176), 113447#(<= ULTIMATE.start_main_~y~4 179), 113446#(<= ULTIMATE.start_main_~y~4 178), 113449#(<= ULTIMATE.start_main_~y~4 181), 113448#(<= ULTIMATE.start_main_~y~4 180), 113451#(<= ULTIMATE.start_main_~y~4 183), 113450#(<= ULTIMATE.start_main_~y~4 182), 113453#(<= ULTIMATE.start_main_~y~4 185), 113452#(<= ULTIMATE.start_main_~y~4 184), 113455#(<= ULTIMATE.start_main_~y~4 187), 113454#(<= ULTIMATE.start_main_~y~4 186), 113457#(<= ULTIMATE.start_main_~y~4 189), 113456#(<= ULTIMATE.start_main_~y~4 188), 113459#(<= ULTIMATE.start_main_~y~4 191), 113458#(<= ULTIMATE.start_main_~y~4 190), 113461#(<= ULTIMATE.start_main_~y~4 193), 113460#(<= ULTIMATE.start_main_~y~4 192), 113463#(<= ULTIMATE.start_main_~y~4 195), 113462#(<= ULTIMATE.start_main_~y~4 194), 113465#(<= ULTIMATE.start_main_~y~4 197), 113464#(<= ULTIMATE.start_main_~y~4 196), 113467#(<= ULTIMATE.start_main_~y~4 199), 113466#(<= ULTIMATE.start_main_~y~4 198), 113469#(<= ULTIMATE.start_main_~y~4 201), 113468#(<= ULTIMATE.start_main_~y~4 200), 113471#(<= ULTIMATE.start_main_~y~4 203), 113470#(<= ULTIMATE.start_main_~y~4 202), 113473#(<= ULTIMATE.start_main_~y~4 205), 113472#(<= ULTIMATE.start_main_~y~4 204), 113475#(<= ULTIMATE.start_main_~y~4 207), 113474#(<= ULTIMATE.start_main_~y~4 206), 113476#(<= ULTIMATE.start_main_~y~4 208)] [2018-07-23 13:39:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 21736 backedges. 0 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:44,031 INFO L450 AbstractCegarLoop]: Interpolant automaton has 211 states [2018-07-23 13:39:44,034 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2018-07-23 13:39:44,036 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:39:44,036 INFO L87 Difference]: Start difference. First operand 212 states and 212 transitions. Second operand 211 states. [2018-07-23 13:39:44,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:44,875 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:39:44,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2018-07-23 13:39:44,875 INFO L78 Accepts]: Start accepts. Automaton has 211 states. Word has length 211 [2018-07-23 13:39:44,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:44,875 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:39:44,876 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:39:44,878 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:39:44,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:39:44,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:39:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:39:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:39:44,881 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 211 [2018-07-23 13:39:44,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:44,881 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:39:44,881 INFO L472 AbstractCegarLoop]: Interpolant automaton has 211 states. [2018-07-23 13:39:44,881 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:39:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:39:44,882 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:44,882 INFO L357 BasicCegarLoop]: trace histogram [209, 1, 1, 1] [2018-07-23 13:39:44,882 INFO L414 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:44,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1340154516, now seen corresponding path program 209 times [2018-07-23 13:39:44,882 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 21945 backedges. 0 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:45,993 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:45,993 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [211] total 211 [2018-07-23 13:39:45,993 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:45,993 INFO L185 omatonBuilderFactory]: Interpolants [114333#true, 114335#(<= ULTIMATE.start_main_~y~4 0), 114334#false, 114337#(<= ULTIMATE.start_main_~y~4 2), 114336#(<= ULTIMATE.start_main_~y~4 1), 114339#(<= ULTIMATE.start_main_~y~4 4), 114338#(<= ULTIMATE.start_main_~y~4 3), 114341#(<= ULTIMATE.start_main_~y~4 6), 114340#(<= ULTIMATE.start_main_~y~4 5), 114343#(<= ULTIMATE.start_main_~y~4 8), 114342#(<= ULTIMATE.start_main_~y~4 7), 114345#(<= ULTIMATE.start_main_~y~4 10), 114344#(<= ULTIMATE.start_main_~y~4 9), 114347#(<= ULTIMATE.start_main_~y~4 12), 114346#(<= ULTIMATE.start_main_~y~4 11), 114349#(<= ULTIMATE.start_main_~y~4 14), 114348#(<= ULTIMATE.start_main_~y~4 13), 114351#(<= ULTIMATE.start_main_~y~4 16), 114350#(<= ULTIMATE.start_main_~y~4 15), 114353#(<= ULTIMATE.start_main_~y~4 18), 114352#(<= ULTIMATE.start_main_~y~4 17), 114355#(<= ULTIMATE.start_main_~y~4 20), 114354#(<= ULTIMATE.start_main_~y~4 19), 114357#(<= ULTIMATE.start_main_~y~4 22), 114356#(<= ULTIMATE.start_main_~y~4 21), 114359#(<= ULTIMATE.start_main_~y~4 24), 114358#(<= ULTIMATE.start_main_~y~4 23), 114361#(<= ULTIMATE.start_main_~y~4 26), 114360#(<= ULTIMATE.start_main_~y~4 25), 114363#(<= ULTIMATE.start_main_~y~4 28), 114362#(<= ULTIMATE.start_main_~y~4 27), 114365#(<= ULTIMATE.start_main_~y~4 30), 114364#(<= ULTIMATE.start_main_~y~4 29), 114367#(<= ULTIMATE.start_main_~y~4 32), 114366#(<= ULTIMATE.start_main_~y~4 31), 114369#(<= ULTIMATE.start_main_~y~4 34), 114368#(<= ULTIMATE.start_main_~y~4 33), 114371#(<= ULTIMATE.start_main_~y~4 36), 114370#(<= ULTIMATE.start_main_~y~4 35), 114373#(<= ULTIMATE.start_main_~y~4 38), 114372#(<= ULTIMATE.start_main_~y~4 37), 114375#(<= ULTIMATE.start_main_~y~4 40), 114374#(<= ULTIMATE.start_main_~y~4 39), 114377#(<= ULTIMATE.start_main_~y~4 42), 114376#(<= ULTIMATE.start_main_~y~4 41), 114379#(<= ULTIMATE.start_main_~y~4 44), 114378#(<= ULTIMATE.start_main_~y~4 43), 114381#(<= ULTIMATE.start_main_~y~4 46), 114380#(<= ULTIMATE.start_main_~y~4 45), 114383#(<= ULTIMATE.start_main_~y~4 48), 114382#(<= ULTIMATE.start_main_~y~4 47), 114385#(<= ULTIMATE.start_main_~y~4 50), 114384#(<= ULTIMATE.start_main_~y~4 49), 114387#(<= ULTIMATE.start_main_~y~4 52), 114386#(<= ULTIMATE.start_main_~y~4 51), 114389#(<= ULTIMATE.start_main_~y~4 54), 114388#(<= ULTIMATE.start_main_~y~4 53), 114391#(<= ULTIMATE.start_main_~y~4 56), 114390#(<= ULTIMATE.start_main_~y~4 55), 114393#(<= ULTIMATE.start_main_~y~4 58), 114392#(<= ULTIMATE.start_main_~y~4 57), 114395#(<= ULTIMATE.start_main_~y~4 60), 114394#(<= ULTIMATE.start_main_~y~4 59), 114397#(<= ULTIMATE.start_main_~y~4 62), 114396#(<= ULTIMATE.start_main_~y~4 61), 114399#(<= ULTIMATE.start_main_~y~4 64), 114398#(<= ULTIMATE.start_main_~y~4 63), 114401#(<= ULTIMATE.start_main_~y~4 66), 114400#(<= ULTIMATE.start_main_~y~4 65), 114403#(<= ULTIMATE.start_main_~y~4 68), 114402#(<= ULTIMATE.start_main_~y~4 67), 114405#(<= ULTIMATE.start_main_~y~4 70), 114404#(<= ULTIMATE.start_main_~y~4 69), 114407#(<= ULTIMATE.start_main_~y~4 72), 114406#(<= ULTIMATE.start_main_~y~4 71), 114409#(<= ULTIMATE.start_main_~y~4 74), 114408#(<= ULTIMATE.start_main_~y~4 73), 114411#(<= ULTIMATE.start_main_~y~4 76), 114410#(<= ULTIMATE.start_main_~y~4 75), 114413#(<= ULTIMATE.start_main_~y~4 78), 114412#(<= ULTIMATE.start_main_~y~4 77), 114415#(<= ULTIMATE.start_main_~y~4 80), 114414#(<= ULTIMATE.start_main_~y~4 79), 114417#(<= ULTIMATE.start_main_~y~4 82), 114416#(<= ULTIMATE.start_main_~y~4 81), 114419#(<= ULTIMATE.start_main_~y~4 84), 114418#(<= ULTIMATE.start_main_~y~4 83), 114421#(<= ULTIMATE.start_main_~y~4 86), 114420#(<= ULTIMATE.start_main_~y~4 85), 114423#(<= ULTIMATE.start_main_~y~4 88), 114422#(<= ULTIMATE.start_main_~y~4 87), 114425#(<= ULTIMATE.start_main_~y~4 90), 114424#(<= ULTIMATE.start_main_~y~4 89), 114427#(<= ULTIMATE.start_main_~y~4 92), 114426#(<= ULTIMATE.start_main_~y~4 91), 114429#(<= ULTIMATE.start_main_~y~4 94), 114428#(<= ULTIMATE.start_main_~y~4 93), 114431#(<= ULTIMATE.start_main_~y~4 96), 114430#(<= ULTIMATE.start_main_~y~4 95), 114433#(<= ULTIMATE.start_main_~y~4 98), 114432#(<= ULTIMATE.start_main_~y~4 97), 114435#(<= ULTIMATE.start_main_~y~4 100), 114434#(<= ULTIMATE.start_main_~y~4 99), 114437#(<= ULTIMATE.start_main_~y~4 102), 114436#(<= ULTIMATE.start_main_~y~4 101), 114439#(<= ULTIMATE.start_main_~y~4 104), 114438#(<= ULTIMATE.start_main_~y~4 103), 114441#(<= ULTIMATE.start_main_~y~4 106), 114440#(<= ULTIMATE.start_main_~y~4 105), 114443#(<= ULTIMATE.start_main_~y~4 108), 114442#(<= ULTIMATE.start_main_~y~4 107), 114445#(<= ULTIMATE.start_main_~y~4 110), 114444#(<= ULTIMATE.start_main_~y~4 109), 114447#(<= ULTIMATE.start_main_~y~4 112), 114446#(<= ULTIMATE.start_main_~y~4 111), 114449#(<= ULTIMATE.start_main_~y~4 114), 114448#(<= ULTIMATE.start_main_~y~4 113), 114451#(<= ULTIMATE.start_main_~y~4 116), 114450#(<= ULTIMATE.start_main_~y~4 115), 114453#(<= ULTIMATE.start_main_~y~4 118), 114452#(<= ULTIMATE.start_main_~y~4 117), 114455#(<= ULTIMATE.start_main_~y~4 120), 114454#(<= ULTIMATE.start_main_~y~4 119), 114457#(<= ULTIMATE.start_main_~y~4 122), 114456#(<= ULTIMATE.start_main_~y~4 121), 114459#(<= ULTIMATE.start_main_~y~4 124), 114458#(<= ULTIMATE.start_main_~y~4 123), 114461#(<= ULTIMATE.start_main_~y~4 126), 114460#(<= ULTIMATE.start_main_~y~4 125), 114463#(<= ULTIMATE.start_main_~y~4 128), 114462#(<= ULTIMATE.start_main_~y~4 127), 114465#(<= ULTIMATE.start_main_~y~4 130), 114464#(<= ULTIMATE.start_main_~y~4 129), 114467#(<= ULTIMATE.start_main_~y~4 132), 114466#(<= ULTIMATE.start_main_~y~4 131), 114469#(<= ULTIMATE.start_main_~y~4 134), 114468#(<= ULTIMATE.start_main_~y~4 133), 114471#(<= ULTIMATE.start_main_~y~4 136), 114470#(<= ULTIMATE.start_main_~y~4 135), 114473#(<= ULTIMATE.start_main_~y~4 138), 114472#(<= ULTIMATE.start_main_~y~4 137), 114475#(<= ULTIMATE.start_main_~y~4 140), 114474#(<= ULTIMATE.start_main_~y~4 139), 114477#(<= ULTIMATE.start_main_~y~4 142), 114476#(<= ULTIMATE.start_main_~y~4 141), 114479#(<= ULTIMATE.start_main_~y~4 144), 114478#(<= ULTIMATE.start_main_~y~4 143), 114481#(<= ULTIMATE.start_main_~y~4 146), 114480#(<= ULTIMATE.start_main_~y~4 145), 114483#(<= ULTIMATE.start_main_~y~4 148), 114482#(<= ULTIMATE.start_main_~y~4 147), 114485#(<= ULTIMATE.start_main_~y~4 150), 114484#(<= ULTIMATE.start_main_~y~4 149), 114487#(<= ULTIMATE.start_main_~y~4 152), 114486#(<= ULTIMATE.start_main_~y~4 151), 114489#(<= ULTIMATE.start_main_~y~4 154), 114488#(<= ULTIMATE.start_main_~y~4 153), 114491#(<= ULTIMATE.start_main_~y~4 156), 114490#(<= ULTIMATE.start_main_~y~4 155), 114493#(<= ULTIMATE.start_main_~y~4 158), 114492#(<= ULTIMATE.start_main_~y~4 157), 114495#(<= ULTIMATE.start_main_~y~4 160), 114494#(<= ULTIMATE.start_main_~y~4 159), 114497#(<= ULTIMATE.start_main_~y~4 162), 114496#(<= ULTIMATE.start_main_~y~4 161), 114499#(<= ULTIMATE.start_main_~y~4 164), 114498#(<= ULTIMATE.start_main_~y~4 163), 114501#(<= ULTIMATE.start_main_~y~4 166), 114500#(<= ULTIMATE.start_main_~y~4 165), 114503#(<= ULTIMATE.start_main_~y~4 168), 114502#(<= ULTIMATE.start_main_~y~4 167), 114505#(<= ULTIMATE.start_main_~y~4 170), 114504#(<= ULTIMATE.start_main_~y~4 169), 114507#(<= ULTIMATE.start_main_~y~4 172), 114506#(<= ULTIMATE.start_main_~y~4 171), 114509#(<= ULTIMATE.start_main_~y~4 174), 114508#(<= ULTIMATE.start_main_~y~4 173), 114511#(<= ULTIMATE.start_main_~y~4 176), 114510#(<= ULTIMATE.start_main_~y~4 175), 114513#(<= ULTIMATE.start_main_~y~4 178), 114512#(<= ULTIMATE.start_main_~y~4 177), 114515#(<= ULTIMATE.start_main_~y~4 180), 114514#(<= ULTIMATE.start_main_~y~4 179), 114517#(<= ULTIMATE.start_main_~y~4 182), 114516#(<= ULTIMATE.start_main_~y~4 181), 114519#(<= ULTIMATE.start_main_~y~4 184), 114518#(<= ULTIMATE.start_main_~y~4 183), 114521#(<= ULTIMATE.start_main_~y~4 186), 114520#(<= ULTIMATE.start_main_~y~4 185), 114523#(<= ULTIMATE.start_main_~y~4 188), 114522#(<= ULTIMATE.start_main_~y~4 187), 114525#(<= ULTIMATE.start_main_~y~4 190), 114524#(<= ULTIMATE.start_main_~y~4 189), 114527#(<= ULTIMATE.start_main_~y~4 192), 114526#(<= ULTIMATE.start_main_~y~4 191), 114529#(<= ULTIMATE.start_main_~y~4 194), 114528#(<= ULTIMATE.start_main_~y~4 193), 114531#(<= ULTIMATE.start_main_~y~4 196), 114530#(<= ULTIMATE.start_main_~y~4 195), 114533#(<= ULTIMATE.start_main_~y~4 198), 114532#(<= ULTIMATE.start_main_~y~4 197), 114535#(<= ULTIMATE.start_main_~y~4 200), 114534#(<= ULTIMATE.start_main_~y~4 199), 114537#(<= ULTIMATE.start_main_~y~4 202), 114536#(<= ULTIMATE.start_main_~y~4 201), 114539#(<= ULTIMATE.start_main_~y~4 204), 114538#(<= ULTIMATE.start_main_~y~4 203), 114541#(<= ULTIMATE.start_main_~y~4 206), 114540#(<= ULTIMATE.start_main_~y~4 205), 114543#(<= ULTIMATE.start_main_~y~4 208), 114542#(<= ULTIMATE.start_main_~y~4 207), 114544#(<= ULTIMATE.start_main_~y~4 209)] [2018-07-23 13:39:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 21945 backedges. 0 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:45,995 INFO L450 AbstractCegarLoop]: Interpolant automaton has 212 states [2018-07-23 13:39:45,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2018-07-23 13:39:45,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:39:45,999 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 212 states. [2018-07-23 13:39:46,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:46,576 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2018-07-23 13:39:46,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2018-07-23 13:39:46,576 INFO L78 Accepts]: Start accepts. Automaton has 212 states. Word has length 212 [2018-07-23 13:39:46,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:46,577 INFO L225 Difference]: With dead ends: 216 [2018-07-23 13:39:46,577 INFO L226 Difference]: Without dead ends: 214 [2018-07-23 13:39:46,578 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:39:46,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-07-23 13:39:46,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2018-07-23 13:39:46,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-07-23 13:39:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 214 transitions. [2018-07-23 13:39:46,581 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 214 transitions. Word has length 212 [2018-07-23 13:39:46,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:46,581 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 214 transitions. [2018-07-23 13:39:46,581 INFO L472 AbstractCegarLoop]: Interpolant automaton has 212 states. [2018-07-23 13:39:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 214 transitions. [2018-07-23 13:39:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-07-23 13:39:46,582 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:46,582 INFO L357 BasicCegarLoop]: trace histogram [210, 1, 1, 1] [2018-07-23 13:39:46,582 INFO L414 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:46,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1404884771, now seen corresponding path program 210 times [2018-07-23 13:39:46,582 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 22155 backedges. 0 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:47,679 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:47,680 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [212] total 212 [2018-07-23 13:39:47,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:47,680 INFO L185 omatonBuilderFactory]: Interpolants [115405#true, 115407#(<= ULTIMATE.start_main_~y~4 0), 115406#false, 115409#(<= ULTIMATE.start_main_~y~4 2), 115408#(<= ULTIMATE.start_main_~y~4 1), 115411#(<= ULTIMATE.start_main_~y~4 4), 115410#(<= ULTIMATE.start_main_~y~4 3), 115413#(<= ULTIMATE.start_main_~y~4 6), 115412#(<= ULTIMATE.start_main_~y~4 5), 115415#(<= ULTIMATE.start_main_~y~4 8), 115414#(<= ULTIMATE.start_main_~y~4 7), 115417#(<= ULTIMATE.start_main_~y~4 10), 115416#(<= ULTIMATE.start_main_~y~4 9), 115419#(<= ULTIMATE.start_main_~y~4 12), 115418#(<= ULTIMATE.start_main_~y~4 11), 115421#(<= ULTIMATE.start_main_~y~4 14), 115420#(<= ULTIMATE.start_main_~y~4 13), 115423#(<= ULTIMATE.start_main_~y~4 16), 115422#(<= ULTIMATE.start_main_~y~4 15), 115425#(<= ULTIMATE.start_main_~y~4 18), 115424#(<= ULTIMATE.start_main_~y~4 17), 115427#(<= ULTIMATE.start_main_~y~4 20), 115426#(<= ULTIMATE.start_main_~y~4 19), 115429#(<= ULTIMATE.start_main_~y~4 22), 115428#(<= ULTIMATE.start_main_~y~4 21), 115431#(<= ULTIMATE.start_main_~y~4 24), 115430#(<= ULTIMATE.start_main_~y~4 23), 115433#(<= ULTIMATE.start_main_~y~4 26), 115432#(<= ULTIMATE.start_main_~y~4 25), 115435#(<= ULTIMATE.start_main_~y~4 28), 115434#(<= ULTIMATE.start_main_~y~4 27), 115437#(<= ULTIMATE.start_main_~y~4 30), 115436#(<= ULTIMATE.start_main_~y~4 29), 115439#(<= ULTIMATE.start_main_~y~4 32), 115438#(<= ULTIMATE.start_main_~y~4 31), 115441#(<= ULTIMATE.start_main_~y~4 34), 115440#(<= ULTIMATE.start_main_~y~4 33), 115443#(<= ULTIMATE.start_main_~y~4 36), 115442#(<= ULTIMATE.start_main_~y~4 35), 115445#(<= ULTIMATE.start_main_~y~4 38), 115444#(<= ULTIMATE.start_main_~y~4 37), 115447#(<= ULTIMATE.start_main_~y~4 40), 115446#(<= ULTIMATE.start_main_~y~4 39), 115449#(<= ULTIMATE.start_main_~y~4 42), 115448#(<= ULTIMATE.start_main_~y~4 41), 115451#(<= ULTIMATE.start_main_~y~4 44), 115450#(<= ULTIMATE.start_main_~y~4 43), 115453#(<= ULTIMATE.start_main_~y~4 46), 115452#(<= ULTIMATE.start_main_~y~4 45), 115455#(<= ULTIMATE.start_main_~y~4 48), 115454#(<= ULTIMATE.start_main_~y~4 47), 115457#(<= ULTIMATE.start_main_~y~4 50), 115456#(<= ULTIMATE.start_main_~y~4 49), 115459#(<= ULTIMATE.start_main_~y~4 52), 115458#(<= ULTIMATE.start_main_~y~4 51), 115461#(<= ULTIMATE.start_main_~y~4 54), 115460#(<= ULTIMATE.start_main_~y~4 53), 115463#(<= ULTIMATE.start_main_~y~4 56), 115462#(<= ULTIMATE.start_main_~y~4 55), 115465#(<= ULTIMATE.start_main_~y~4 58), 115464#(<= ULTIMATE.start_main_~y~4 57), 115467#(<= ULTIMATE.start_main_~y~4 60), 115466#(<= ULTIMATE.start_main_~y~4 59), 115469#(<= ULTIMATE.start_main_~y~4 62), 115468#(<= ULTIMATE.start_main_~y~4 61), 115471#(<= ULTIMATE.start_main_~y~4 64), 115470#(<= ULTIMATE.start_main_~y~4 63), 115473#(<= ULTIMATE.start_main_~y~4 66), 115472#(<= ULTIMATE.start_main_~y~4 65), 115475#(<= ULTIMATE.start_main_~y~4 68), 115474#(<= ULTIMATE.start_main_~y~4 67), 115477#(<= ULTIMATE.start_main_~y~4 70), 115476#(<= ULTIMATE.start_main_~y~4 69), 115479#(<= ULTIMATE.start_main_~y~4 72), 115478#(<= ULTIMATE.start_main_~y~4 71), 115481#(<= ULTIMATE.start_main_~y~4 74), 115480#(<= ULTIMATE.start_main_~y~4 73), 115483#(<= ULTIMATE.start_main_~y~4 76), 115482#(<= ULTIMATE.start_main_~y~4 75), 115485#(<= ULTIMATE.start_main_~y~4 78), 115484#(<= ULTIMATE.start_main_~y~4 77), 115487#(<= ULTIMATE.start_main_~y~4 80), 115486#(<= ULTIMATE.start_main_~y~4 79), 115489#(<= ULTIMATE.start_main_~y~4 82), 115488#(<= ULTIMATE.start_main_~y~4 81), 115491#(<= ULTIMATE.start_main_~y~4 84), 115490#(<= ULTIMATE.start_main_~y~4 83), 115493#(<= ULTIMATE.start_main_~y~4 86), 115492#(<= ULTIMATE.start_main_~y~4 85), 115495#(<= ULTIMATE.start_main_~y~4 88), 115494#(<= ULTIMATE.start_main_~y~4 87), 115497#(<= ULTIMATE.start_main_~y~4 90), 115496#(<= ULTIMATE.start_main_~y~4 89), 115499#(<= ULTIMATE.start_main_~y~4 92), 115498#(<= ULTIMATE.start_main_~y~4 91), 115501#(<= ULTIMATE.start_main_~y~4 94), 115500#(<= ULTIMATE.start_main_~y~4 93), 115503#(<= ULTIMATE.start_main_~y~4 96), 115502#(<= ULTIMATE.start_main_~y~4 95), 115505#(<= ULTIMATE.start_main_~y~4 98), 115504#(<= ULTIMATE.start_main_~y~4 97), 115507#(<= ULTIMATE.start_main_~y~4 100), 115506#(<= ULTIMATE.start_main_~y~4 99), 115509#(<= ULTIMATE.start_main_~y~4 102), 115508#(<= ULTIMATE.start_main_~y~4 101), 115511#(<= ULTIMATE.start_main_~y~4 104), 115510#(<= ULTIMATE.start_main_~y~4 103), 115513#(<= ULTIMATE.start_main_~y~4 106), 115512#(<= ULTIMATE.start_main_~y~4 105), 115515#(<= ULTIMATE.start_main_~y~4 108), 115514#(<= ULTIMATE.start_main_~y~4 107), 115517#(<= ULTIMATE.start_main_~y~4 110), 115516#(<= ULTIMATE.start_main_~y~4 109), 115519#(<= ULTIMATE.start_main_~y~4 112), 115518#(<= ULTIMATE.start_main_~y~4 111), 115521#(<= ULTIMATE.start_main_~y~4 114), 115520#(<= ULTIMATE.start_main_~y~4 113), 115523#(<= ULTIMATE.start_main_~y~4 116), 115522#(<= ULTIMATE.start_main_~y~4 115), 115525#(<= ULTIMATE.start_main_~y~4 118), 115524#(<= ULTIMATE.start_main_~y~4 117), 115527#(<= ULTIMATE.start_main_~y~4 120), 115526#(<= ULTIMATE.start_main_~y~4 119), 115529#(<= ULTIMATE.start_main_~y~4 122), 115528#(<= ULTIMATE.start_main_~y~4 121), 115531#(<= ULTIMATE.start_main_~y~4 124), 115530#(<= ULTIMATE.start_main_~y~4 123), 115533#(<= ULTIMATE.start_main_~y~4 126), 115532#(<= ULTIMATE.start_main_~y~4 125), 115535#(<= ULTIMATE.start_main_~y~4 128), 115534#(<= ULTIMATE.start_main_~y~4 127), 115537#(<= ULTIMATE.start_main_~y~4 130), 115536#(<= ULTIMATE.start_main_~y~4 129), 115539#(<= ULTIMATE.start_main_~y~4 132), 115538#(<= ULTIMATE.start_main_~y~4 131), 115541#(<= ULTIMATE.start_main_~y~4 134), 115540#(<= ULTIMATE.start_main_~y~4 133), 115543#(<= ULTIMATE.start_main_~y~4 136), 115542#(<= ULTIMATE.start_main_~y~4 135), 115545#(<= ULTIMATE.start_main_~y~4 138), 115544#(<= ULTIMATE.start_main_~y~4 137), 115547#(<= ULTIMATE.start_main_~y~4 140), 115546#(<= ULTIMATE.start_main_~y~4 139), 115549#(<= ULTIMATE.start_main_~y~4 142), 115548#(<= ULTIMATE.start_main_~y~4 141), 115551#(<= ULTIMATE.start_main_~y~4 144), 115550#(<= ULTIMATE.start_main_~y~4 143), 115553#(<= ULTIMATE.start_main_~y~4 146), 115552#(<= ULTIMATE.start_main_~y~4 145), 115555#(<= ULTIMATE.start_main_~y~4 148), 115554#(<= ULTIMATE.start_main_~y~4 147), 115557#(<= ULTIMATE.start_main_~y~4 150), 115556#(<= ULTIMATE.start_main_~y~4 149), 115559#(<= ULTIMATE.start_main_~y~4 152), 115558#(<= ULTIMATE.start_main_~y~4 151), 115561#(<= ULTIMATE.start_main_~y~4 154), 115560#(<= ULTIMATE.start_main_~y~4 153), 115563#(<= ULTIMATE.start_main_~y~4 156), 115562#(<= ULTIMATE.start_main_~y~4 155), 115565#(<= ULTIMATE.start_main_~y~4 158), 115564#(<= ULTIMATE.start_main_~y~4 157), 115567#(<= ULTIMATE.start_main_~y~4 160), 115566#(<= ULTIMATE.start_main_~y~4 159), 115569#(<= ULTIMATE.start_main_~y~4 162), 115568#(<= ULTIMATE.start_main_~y~4 161), 115571#(<= ULTIMATE.start_main_~y~4 164), 115570#(<= ULTIMATE.start_main_~y~4 163), 115573#(<= ULTIMATE.start_main_~y~4 166), 115572#(<= ULTIMATE.start_main_~y~4 165), 115575#(<= ULTIMATE.start_main_~y~4 168), 115574#(<= ULTIMATE.start_main_~y~4 167), 115577#(<= ULTIMATE.start_main_~y~4 170), 115576#(<= ULTIMATE.start_main_~y~4 169), 115579#(<= ULTIMATE.start_main_~y~4 172), 115578#(<= ULTIMATE.start_main_~y~4 171), 115581#(<= ULTIMATE.start_main_~y~4 174), 115580#(<= ULTIMATE.start_main_~y~4 173), 115583#(<= ULTIMATE.start_main_~y~4 176), 115582#(<= ULTIMATE.start_main_~y~4 175), 115585#(<= ULTIMATE.start_main_~y~4 178), 115584#(<= ULTIMATE.start_main_~y~4 177), 115587#(<= ULTIMATE.start_main_~y~4 180), 115586#(<= ULTIMATE.start_main_~y~4 179), 115589#(<= ULTIMATE.start_main_~y~4 182), 115588#(<= ULTIMATE.start_main_~y~4 181), 115591#(<= ULTIMATE.start_main_~y~4 184), 115590#(<= ULTIMATE.start_main_~y~4 183), 115593#(<= ULTIMATE.start_main_~y~4 186), 115592#(<= ULTIMATE.start_main_~y~4 185), 115595#(<= ULTIMATE.start_main_~y~4 188), 115594#(<= ULTIMATE.start_main_~y~4 187), 115597#(<= ULTIMATE.start_main_~y~4 190), 115596#(<= ULTIMATE.start_main_~y~4 189), 115599#(<= ULTIMATE.start_main_~y~4 192), 115598#(<= ULTIMATE.start_main_~y~4 191), 115601#(<= ULTIMATE.start_main_~y~4 194), 115600#(<= ULTIMATE.start_main_~y~4 193), 115603#(<= ULTIMATE.start_main_~y~4 196), 115602#(<= ULTIMATE.start_main_~y~4 195), 115605#(<= ULTIMATE.start_main_~y~4 198), 115604#(<= ULTIMATE.start_main_~y~4 197), 115607#(<= ULTIMATE.start_main_~y~4 200), 115606#(<= ULTIMATE.start_main_~y~4 199), 115609#(<= ULTIMATE.start_main_~y~4 202), 115608#(<= ULTIMATE.start_main_~y~4 201), 115611#(<= ULTIMATE.start_main_~y~4 204), 115610#(<= ULTIMATE.start_main_~y~4 203), 115613#(<= ULTIMATE.start_main_~y~4 206), 115612#(<= ULTIMATE.start_main_~y~4 205), 115615#(<= ULTIMATE.start_main_~y~4 208), 115614#(<= ULTIMATE.start_main_~y~4 207), 115617#(<= ULTIMATE.start_main_~y~4 210), 115616#(<= ULTIMATE.start_main_~y~4 209)] [2018-07-23 13:39:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 22155 backedges. 0 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:47,681 INFO L450 AbstractCegarLoop]: Interpolant automaton has 213 states [2018-07-23 13:39:47,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2018-07-23 13:39:47,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:39:47,686 INFO L87 Difference]: Start difference. First operand 214 states and 214 transitions. Second operand 213 states. [2018-07-23 13:39:48,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:48,884 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:39:48,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2018-07-23 13:39:48,884 INFO L78 Accepts]: Start accepts. Automaton has 213 states. Word has length 213 [2018-07-23 13:39:48,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:48,885 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:39:48,885 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:39:48,887 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:39:48,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:39:48,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:39:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:39:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:39:48,890 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 213 [2018-07-23 13:39:48,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:48,890 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:39:48,890 INFO L472 AbstractCegarLoop]: Interpolant automaton has 213 states. [2018-07-23 13:39:48,890 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:39:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:39:48,891 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:48,891 INFO L357 BasicCegarLoop]: trace histogram [211, 1, 1, 1] [2018-07-23 13:39:48,891 INFO L414 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:48,891 INFO L82 PathProgramCache]: Analyzing trace with hash 601756748, now seen corresponding path program 211 times [2018-07-23 13:39:48,891 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 22366 backedges. 0 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:50,054 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:50,054 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [213] total 213 [2018-07-23 13:39:50,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:50,055 INFO L185 omatonBuilderFactory]: Interpolants [116483#false, 116482#true, 116485#(<= ULTIMATE.start_main_~y~4 1), 116484#(<= ULTIMATE.start_main_~y~4 0), 116487#(<= ULTIMATE.start_main_~y~4 3), 116486#(<= ULTIMATE.start_main_~y~4 2), 116489#(<= ULTIMATE.start_main_~y~4 5), 116488#(<= ULTIMATE.start_main_~y~4 4), 116491#(<= ULTIMATE.start_main_~y~4 7), 116490#(<= ULTIMATE.start_main_~y~4 6), 116493#(<= ULTIMATE.start_main_~y~4 9), 116492#(<= ULTIMATE.start_main_~y~4 8), 116495#(<= ULTIMATE.start_main_~y~4 11), 116494#(<= ULTIMATE.start_main_~y~4 10), 116497#(<= ULTIMATE.start_main_~y~4 13), 116496#(<= ULTIMATE.start_main_~y~4 12), 116499#(<= ULTIMATE.start_main_~y~4 15), 116498#(<= ULTIMATE.start_main_~y~4 14), 116501#(<= ULTIMATE.start_main_~y~4 17), 116500#(<= ULTIMATE.start_main_~y~4 16), 116503#(<= ULTIMATE.start_main_~y~4 19), 116502#(<= ULTIMATE.start_main_~y~4 18), 116505#(<= ULTIMATE.start_main_~y~4 21), 116504#(<= ULTIMATE.start_main_~y~4 20), 116507#(<= ULTIMATE.start_main_~y~4 23), 116506#(<= ULTIMATE.start_main_~y~4 22), 116509#(<= ULTIMATE.start_main_~y~4 25), 116508#(<= ULTIMATE.start_main_~y~4 24), 116511#(<= ULTIMATE.start_main_~y~4 27), 116510#(<= ULTIMATE.start_main_~y~4 26), 116513#(<= ULTIMATE.start_main_~y~4 29), 116512#(<= ULTIMATE.start_main_~y~4 28), 116515#(<= ULTIMATE.start_main_~y~4 31), 116514#(<= ULTIMATE.start_main_~y~4 30), 116517#(<= ULTIMATE.start_main_~y~4 33), 116516#(<= ULTIMATE.start_main_~y~4 32), 116519#(<= ULTIMATE.start_main_~y~4 35), 116518#(<= ULTIMATE.start_main_~y~4 34), 116521#(<= ULTIMATE.start_main_~y~4 37), 116520#(<= ULTIMATE.start_main_~y~4 36), 116523#(<= ULTIMATE.start_main_~y~4 39), 116522#(<= ULTIMATE.start_main_~y~4 38), 116525#(<= ULTIMATE.start_main_~y~4 41), 116524#(<= ULTIMATE.start_main_~y~4 40), 116527#(<= ULTIMATE.start_main_~y~4 43), 116526#(<= ULTIMATE.start_main_~y~4 42), 116529#(<= ULTIMATE.start_main_~y~4 45), 116528#(<= ULTIMATE.start_main_~y~4 44), 116531#(<= ULTIMATE.start_main_~y~4 47), 116530#(<= ULTIMATE.start_main_~y~4 46), 116533#(<= ULTIMATE.start_main_~y~4 49), 116532#(<= ULTIMATE.start_main_~y~4 48), 116535#(<= ULTIMATE.start_main_~y~4 51), 116534#(<= ULTIMATE.start_main_~y~4 50), 116537#(<= ULTIMATE.start_main_~y~4 53), 116536#(<= ULTIMATE.start_main_~y~4 52), 116539#(<= ULTIMATE.start_main_~y~4 55), 116538#(<= ULTIMATE.start_main_~y~4 54), 116541#(<= ULTIMATE.start_main_~y~4 57), 116540#(<= ULTIMATE.start_main_~y~4 56), 116543#(<= ULTIMATE.start_main_~y~4 59), 116542#(<= ULTIMATE.start_main_~y~4 58), 116545#(<= ULTIMATE.start_main_~y~4 61), 116544#(<= ULTIMATE.start_main_~y~4 60), 116547#(<= ULTIMATE.start_main_~y~4 63), 116546#(<= ULTIMATE.start_main_~y~4 62), 116549#(<= ULTIMATE.start_main_~y~4 65), 116548#(<= ULTIMATE.start_main_~y~4 64), 116551#(<= ULTIMATE.start_main_~y~4 67), 116550#(<= ULTIMATE.start_main_~y~4 66), 116553#(<= ULTIMATE.start_main_~y~4 69), 116552#(<= ULTIMATE.start_main_~y~4 68), 116555#(<= ULTIMATE.start_main_~y~4 71), 116554#(<= ULTIMATE.start_main_~y~4 70), 116557#(<= ULTIMATE.start_main_~y~4 73), 116556#(<= ULTIMATE.start_main_~y~4 72), 116559#(<= ULTIMATE.start_main_~y~4 75), 116558#(<= ULTIMATE.start_main_~y~4 74), 116561#(<= ULTIMATE.start_main_~y~4 77), 116560#(<= ULTIMATE.start_main_~y~4 76), 116563#(<= ULTIMATE.start_main_~y~4 79), 116562#(<= ULTIMATE.start_main_~y~4 78), 116565#(<= ULTIMATE.start_main_~y~4 81), 116564#(<= ULTIMATE.start_main_~y~4 80), 116567#(<= ULTIMATE.start_main_~y~4 83), 116566#(<= ULTIMATE.start_main_~y~4 82), 116569#(<= ULTIMATE.start_main_~y~4 85), 116568#(<= ULTIMATE.start_main_~y~4 84), 116571#(<= ULTIMATE.start_main_~y~4 87), 116570#(<= ULTIMATE.start_main_~y~4 86), 116573#(<= ULTIMATE.start_main_~y~4 89), 116572#(<= ULTIMATE.start_main_~y~4 88), 116575#(<= ULTIMATE.start_main_~y~4 91), 116574#(<= ULTIMATE.start_main_~y~4 90), 116577#(<= ULTIMATE.start_main_~y~4 93), 116576#(<= ULTIMATE.start_main_~y~4 92), 116579#(<= ULTIMATE.start_main_~y~4 95), 116578#(<= ULTIMATE.start_main_~y~4 94), 116581#(<= ULTIMATE.start_main_~y~4 97), 116580#(<= ULTIMATE.start_main_~y~4 96), 116583#(<= ULTIMATE.start_main_~y~4 99), 116582#(<= ULTIMATE.start_main_~y~4 98), 116585#(<= ULTIMATE.start_main_~y~4 101), 116584#(<= ULTIMATE.start_main_~y~4 100), 116587#(<= ULTIMATE.start_main_~y~4 103), 116586#(<= ULTIMATE.start_main_~y~4 102), 116589#(<= ULTIMATE.start_main_~y~4 105), 116588#(<= ULTIMATE.start_main_~y~4 104), 116591#(<= ULTIMATE.start_main_~y~4 107), 116590#(<= ULTIMATE.start_main_~y~4 106), 116593#(<= ULTIMATE.start_main_~y~4 109), 116592#(<= ULTIMATE.start_main_~y~4 108), 116595#(<= ULTIMATE.start_main_~y~4 111), 116594#(<= ULTIMATE.start_main_~y~4 110), 116597#(<= ULTIMATE.start_main_~y~4 113), 116596#(<= ULTIMATE.start_main_~y~4 112), 116599#(<= ULTIMATE.start_main_~y~4 115), 116598#(<= ULTIMATE.start_main_~y~4 114), 116601#(<= ULTIMATE.start_main_~y~4 117), 116600#(<= ULTIMATE.start_main_~y~4 116), 116603#(<= ULTIMATE.start_main_~y~4 119), 116602#(<= ULTIMATE.start_main_~y~4 118), 116605#(<= ULTIMATE.start_main_~y~4 121), 116604#(<= ULTIMATE.start_main_~y~4 120), 116607#(<= ULTIMATE.start_main_~y~4 123), 116606#(<= ULTIMATE.start_main_~y~4 122), 116609#(<= ULTIMATE.start_main_~y~4 125), 116608#(<= ULTIMATE.start_main_~y~4 124), 116611#(<= ULTIMATE.start_main_~y~4 127), 116610#(<= ULTIMATE.start_main_~y~4 126), 116613#(<= ULTIMATE.start_main_~y~4 129), 116612#(<= ULTIMATE.start_main_~y~4 128), 116615#(<= ULTIMATE.start_main_~y~4 131), 116614#(<= ULTIMATE.start_main_~y~4 130), 116617#(<= ULTIMATE.start_main_~y~4 133), 116616#(<= ULTIMATE.start_main_~y~4 132), 116619#(<= ULTIMATE.start_main_~y~4 135), 116618#(<= ULTIMATE.start_main_~y~4 134), 116621#(<= ULTIMATE.start_main_~y~4 137), 116620#(<= ULTIMATE.start_main_~y~4 136), 116623#(<= ULTIMATE.start_main_~y~4 139), 116622#(<= ULTIMATE.start_main_~y~4 138), 116625#(<= ULTIMATE.start_main_~y~4 141), 116624#(<= ULTIMATE.start_main_~y~4 140), 116627#(<= ULTIMATE.start_main_~y~4 143), 116626#(<= ULTIMATE.start_main_~y~4 142), 116629#(<= ULTIMATE.start_main_~y~4 145), 116628#(<= ULTIMATE.start_main_~y~4 144), 116631#(<= ULTIMATE.start_main_~y~4 147), 116630#(<= ULTIMATE.start_main_~y~4 146), 116633#(<= ULTIMATE.start_main_~y~4 149), 116632#(<= ULTIMATE.start_main_~y~4 148), 116635#(<= ULTIMATE.start_main_~y~4 151), 116634#(<= ULTIMATE.start_main_~y~4 150), 116637#(<= ULTIMATE.start_main_~y~4 153), 116636#(<= ULTIMATE.start_main_~y~4 152), 116639#(<= ULTIMATE.start_main_~y~4 155), 116638#(<= ULTIMATE.start_main_~y~4 154), 116641#(<= ULTIMATE.start_main_~y~4 157), 116640#(<= ULTIMATE.start_main_~y~4 156), 116643#(<= ULTIMATE.start_main_~y~4 159), 116642#(<= ULTIMATE.start_main_~y~4 158), 116645#(<= ULTIMATE.start_main_~y~4 161), 116644#(<= ULTIMATE.start_main_~y~4 160), 116647#(<= ULTIMATE.start_main_~y~4 163), 116646#(<= ULTIMATE.start_main_~y~4 162), 116649#(<= ULTIMATE.start_main_~y~4 165), 116648#(<= ULTIMATE.start_main_~y~4 164), 116651#(<= ULTIMATE.start_main_~y~4 167), 116650#(<= ULTIMATE.start_main_~y~4 166), 116653#(<= ULTIMATE.start_main_~y~4 169), 116652#(<= ULTIMATE.start_main_~y~4 168), 116655#(<= ULTIMATE.start_main_~y~4 171), 116654#(<= ULTIMATE.start_main_~y~4 170), 116657#(<= ULTIMATE.start_main_~y~4 173), 116656#(<= ULTIMATE.start_main_~y~4 172), 116659#(<= ULTIMATE.start_main_~y~4 175), 116658#(<= ULTIMATE.start_main_~y~4 174), 116661#(<= ULTIMATE.start_main_~y~4 177), 116660#(<= ULTIMATE.start_main_~y~4 176), 116663#(<= ULTIMATE.start_main_~y~4 179), 116662#(<= ULTIMATE.start_main_~y~4 178), 116665#(<= ULTIMATE.start_main_~y~4 181), 116664#(<= ULTIMATE.start_main_~y~4 180), 116667#(<= ULTIMATE.start_main_~y~4 183), 116666#(<= ULTIMATE.start_main_~y~4 182), 116669#(<= ULTIMATE.start_main_~y~4 185), 116668#(<= ULTIMATE.start_main_~y~4 184), 116671#(<= ULTIMATE.start_main_~y~4 187), 116670#(<= ULTIMATE.start_main_~y~4 186), 116673#(<= ULTIMATE.start_main_~y~4 189), 116672#(<= ULTIMATE.start_main_~y~4 188), 116675#(<= ULTIMATE.start_main_~y~4 191), 116674#(<= ULTIMATE.start_main_~y~4 190), 116677#(<= ULTIMATE.start_main_~y~4 193), 116676#(<= ULTIMATE.start_main_~y~4 192), 116679#(<= ULTIMATE.start_main_~y~4 195), 116678#(<= ULTIMATE.start_main_~y~4 194), 116681#(<= ULTIMATE.start_main_~y~4 197), 116680#(<= ULTIMATE.start_main_~y~4 196), 116683#(<= ULTIMATE.start_main_~y~4 199), 116682#(<= ULTIMATE.start_main_~y~4 198), 116685#(<= ULTIMATE.start_main_~y~4 201), 116684#(<= ULTIMATE.start_main_~y~4 200), 116687#(<= ULTIMATE.start_main_~y~4 203), 116686#(<= ULTIMATE.start_main_~y~4 202), 116689#(<= ULTIMATE.start_main_~y~4 205), 116688#(<= ULTIMATE.start_main_~y~4 204), 116691#(<= ULTIMATE.start_main_~y~4 207), 116690#(<= ULTIMATE.start_main_~y~4 206), 116693#(<= ULTIMATE.start_main_~y~4 209), 116692#(<= ULTIMATE.start_main_~y~4 208), 116695#(<= ULTIMATE.start_main_~y~4 211), 116694#(<= ULTIMATE.start_main_~y~4 210)] [2018-07-23 13:39:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 22366 backedges. 0 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:50,056 INFO L450 AbstractCegarLoop]: Interpolant automaton has 214 states [2018-07-23 13:39:50,059 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2018-07-23 13:39:50,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:39:50,060 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 214 states. [2018-07-23 13:39:51,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:51,619 INFO L93 Difference]: Finished difference Result 218 states and 218 transitions. [2018-07-23 13:39:51,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2018-07-23 13:39:51,619 INFO L78 Accepts]: Start accepts. Automaton has 214 states. Word has length 214 [2018-07-23 13:39:51,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:51,620 INFO L225 Difference]: With dead ends: 218 [2018-07-23 13:39:51,620 INFO L226 Difference]: Without dead ends: 216 [2018-07-23 13:39:51,621 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:39:51,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-07-23 13:39:51,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-07-23 13:39:51,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-07-23 13:39:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 216 transitions. [2018-07-23 13:39:51,624 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 216 transitions. Word has length 214 [2018-07-23 13:39:51,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:51,624 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 216 transitions. [2018-07-23 13:39:51,624 INFO L472 AbstractCegarLoop]: Interpolant automaton has 214 states. [2018-07-23 13:39:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 216 transitions. [2018-07-23 13:39:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-07-23 13:39:51,624 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:51,624 INFO L357 BasicCegarLoop]: trace histogram [212, 1, 1, 1] [2018-07-23 13:39:51,625 INFO L414 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:51,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1474591811, now seen corresponding path program 212 times [2018-07-23 13:39:51,625 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 22578 backedges. 0 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:52,729 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:52,729 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [214] total 214 [2018-07-23 13:39:52,729 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:52,730 INFO L185 omatonBuilderFactory]: Interpolants [117761#(<= ULTIMATE.start_main_~y~4 195), 117760#(<= ULTIMATE.start_main_~y~4 194), 117763#(<= ULTIMATE.start_main_~y~4 197), 117762#(<= ULTIMATE.start_main_~y~4 196), 117765#(<= ULTIMATE.start_main_~y~4 199), 117764#(<= ULTIMATE.start_main_~y~4 198), 117767#(<= ULTIMATE.start_main_~y~4 201), 117766#(<= ULTIMATE.start_main_~y~4 200), 117769#(<= ULTIMATE.start_main_~y~4 203), 117768#(<= ULTIMATE.start_main_~y~4 202), 117771#(<= ULTIMATE.start_main_~y~4 205), 117770#(<= ULTIMATE.start_main_~y~4 204), 117773#(<= ULTIMATE.start_main_~y~4 207), 117772#(<= ULTIMATE.start_main_~y~4 206), 117775#(<= ULTIMATE.start_main_~y~4 209), 117774#(<= ULTIMATE.start_main_~y~4 208), 117777#(<= ULTIMATE.start_main_~y~4 211), 117776#(<= ULTIMATE.start_main_~y~4 210), 117778#(<= ULTIMATE.start_main_~y~4 212), 117565#false, 117564#true, 117567#(<= ULTIMATE.start_main_~y~4 1), 117566#(<= ULTIMATE.start_main_~y~4 0), 117569#(<= ULTIMATE.start_main_~y~4 3), 117568#(<= ULTIMATE.start_main_~y~4 2), 117571#(<= ULTIMATE.start_main_~y~4 5), 117570#(<= ULTIMATE.start_main_~y~4 4), 117573#(<= ULTIMATE.start_main_~y~4 7), 117572#(<= ULTIMATE.start_main_~y~4 6), 117575#(<= ULTIMATE.start_main_~y~4 9), 117574#(<= ULTIMATE.start_main_~y~4 8), 117577#(<= ULTIMATE.start_main_~y~4 11), 117576#(<= ULTIMATE.start_main_~y~4 10), 117579#(<= ULTIMATE.start_main_~y~4 13), 117578#(<= ULTIMATE.start_main_~y~4 12), 117581#(<= ULTIMATE.start_main_~y~4 15), 117580#(<= ULTIMATE.start_main_~y~4 14), 117583#(<= ULTIMATE.start_main_~y~4 17), 117582#(<= ULTIMATE.start_main_~y~4 16), 117585#(<= ULTIMATE.start_main_~y~4 19), 117584#(<= ULTIMATE.start_main_~y~4 18), 117587#(<= ULTIMATE.start_main_~y~4 21), 117586#(<= ULTIMATE.start_main_~y~4 20), 117589#(<= ULTIMATE.start_main_~y~4 23), 117588#(<= ULTIMATE.start_main_~y~4 22), 117591#(<= ULTIMATE.start_main_~y~4 25), 117590#(<= ULTIMATE.start_main_~y~4 24), 117593#(<= ULTIMATE.start_main_~y~4 27), 117592#(<= ULTIMATE.start_main_~y~4 26), 117595#(<= ULTIMATE.start_main_~y~4 29), 117594#(<= ULTIMATE.start_main_~y~4 28), 117597#(<= ULTIMATE.start_main_~y~4 31), 117596#(<= ULTIMATE.start_main_~y~4 30), 117599#(<= ULTIMATE.start_main_~y~4 33), 117598#(<= ULTIMATE.start_main_~y~4 32), 117601#(<= ULTIMATE.start_main_~y~4 35), 117600#(<= ULTIMATE.start_main_~y~4 34), 117603#(<= ULTIMATE.start_main_~y~4 37), 117602#(<= ULTIMATE.start_main_~y~4 36), 117605#(<= ULTIMATE.start_main_~y~4 39), 117604#(<= ULTIMATE.start_main_~y~4 38), 117607#(<= ULTIMATE.start_main_~y~4 41), 117606#(<= ULTIMATE.start_main_~y~4 40), 117609#(<= ULTIMATE.start_main_~y~4 43), 117608#(<= ULTIMATE.start_main_~y~4 42), 117611#(<= ULTIMATE.start_main_~y~4 45), 117610#(<= ULTIMATE.start_main_~y~4 44), 117613#(<= ULTIMATE.start_main_~y~4 47), 117612#(<= ULTIMATE.start_main_~y~4 46), 117615#(<= ULTIMATE.start_main_~y~4 49), 117614#(<= ULTIMATE.start_main_~y~4 48), 117617#(<= ULTIMATE.start_main_~y~4 51), 117616#(<= ULTIMATE.start_main_~y~4 50), 117619#(<= ULTIMATE.start_main_~y~4 53), 117618#(<= ULTIMATE.start_main_~y~4 52), 117621#(<= ULTIMATE.start_main_~y~4 55), 117620#(<= ULTIMATE.start_main_~y~4 54), 117623#(<= ULTIMATE.start_main_~y~4 57), 117622#(<= ULTIMATE.start_main_~y~4 56), 117625#(<= ULTIMATE.start_main_~y~4 59), 117624#(<= ULTIMATE.start_main_~y~4 58), 117627#(<= ULTIMATE.start_main_~y~4 61), 117626#(<= ULTIMATE.start_main_~y~4 60), 117629#(<= ULTIMATE.start_main_~y~4 63), 117628#(<= ULTIMATE.start_main_~y~4 62), 117631#(<= ULTIMATE.start_main_~y~4 65), 117630#(<= ULTIMATE.start_main_~y~4 64), 117633#(<= ULTIMATE.start_main_~y~4 67), 117632#(<= ULTIMATE.start_main_~y~4 66), 117635#(<= ULTIMATE.start_main_~y~4 69), 117634#(<= ULTIMATE.start_main_~y~4 68), 117637#(<= ULTIMATE.start_main_~y~4 71), 117636#(<= ULTIMATE.start_main_~y~4 70), 117639#(<= ULTIMATE.start_main_~y~4 73), 117638#(<= ULTIMATE.start_main_~y~4 72), 117641#(<= ULTIMATE.start_main_~y~4 75), 117640#(<= ULTIMATE.start_main_~y~4 74), 117643#(<= ULTIMATE.start_main_~y~4 77), 117642#(<= ULTIMATE.start_main_~y~4 76), 117645#(<= ULTIMATE.start_main_~y~4 79), 117644#(<= ULTIMATE.start_main_~y~4 78), 117647#(<= ULTIMATE.start_main_~y~4 81), 117646#(<= ULTIMATE.start_main_~y~4 80), 117649#(<= ULTIMATE.start_main_~y~4 83), 117648#(<= ULTIMATE.start_main_~y~4 82), 117651#(<= ULTIMATE.start_main_~y~4 85), 117650#(<= ULTIMATE.start_main_~y~4 84), 117653#(<= ULTIMATE.start_main_~y~4 87), 117652#(<= ULTIMATE.start_main_~y~4 86), 117655#(<= ULTIMATE.start_main_~y~4 89), 117654#(<= ULTIMATE.start_main_~y~4 88), 117657#(<= ULTIMATE.start_main_~y~4 91), 117656#(<= ULTIMATE.start_main_~y~4 90), 117659#(<= ULTIMATE.start_main_~y~4 93), 117658#(<= ULTIMATE.start_main_~y~4 92), 117661#(<= ULTIMATE.start_main_~y~4 95), 117660#(<= ULTIMATE.start_main_~y~4 94), 117663#(<= ULTIMATE.start_main_~y~4 97), 117662#(<= ULTIMATE.start_main_~y~4 96), 117665#(<= ULTIMATE.start_main_~y~4 99), 117664#(<= ULTIMATE.start_main_~y~4 98), 117667#(<= ULTIMATE.start_main_~y~4 101), 117666#(<= ULTIMATE.start_main_~y~4 100), 117669#(<= ULTIMATE.start_main_~y~4 103), 117668#(<= ULTIMATE.start_main_~y~4 102), 117671#(<= ULTIMATE.start_main_~y~4 105), 117670#(<= ULTIMATE.start_main_~y~4 104), 117673#(<= ULTIMATE.start_main_~y~4 107), 117672#(<= ULTIMATE.start_main_~y~4 106), 117675#(<= ULTIMATE.start_main_~y~4 109), 117674#(<= ULTIMATE.start_main_~y~4 108), 117677#(<= ULTIMATE.start_main_~y~4 111), 117676#(<= ULTIMATE.start_main_~y~4 110), 117679#(<= ULTIMATE.start_main_~y~4 113), 117678#(<= ULTIMATE.start_main_~y~4 112), 117681#(<= ULTIMATE.start_main_~y~4 115), 117680#(<= ULTIMATE.start_main_~y~4 114), 117683#(<= ULTIMATE.start_main_~y~4 117), 117682#(<= ULTIMATE.start_main_~y~4 116), 117685#(<= ULTIMATE.start_main_~y~4 119), 117684#(<= ULTIMATE.start_main_~y~4 118), 117687#(<= ULTIMATE.start_main_~y~4 121), 117686#(<= ULTIMATE.start_main_~y~4 120), 117689#(<= ULTIMATE.start_main_~y~4 123), 117688#(<= ULTIMATE.start_main_~y~4 122), 117691#(<= ULTIMATE.start_main_~y~4 125), 117690#(<= ULTIMATE.start_main_~y~4 124), 117693#(<= ULTIMATE.start_main_~y~4 127), 117692#(<= ULTIMATE.start_main_~y~4 126), 117695#(<= ULTIMATE.start_main_~y~4 129), 117694#(<= ULTIMATE.start_main_~y~4 128), 117697#(<= ULTIMATE.start_main_~y~4 131), 117696#(<= ULTIMATE.start_main_~y~4 130), 117699#(<= ULTIMATE.start_main_~y~4 133), 117698#(<= ULTIMATE.start_main_~y~4 132), 117701#(<= ULTIMATE.start_main_~y~4 135), 117700#(<= ULTIMATE.start_main_~y~4 134), 117703#(<= ULTIMATE.start_main_~y~4 137), 117702#(<= ULTIMATE.start_main_~y~4 136), 117705#(<= ULTIMATE.start_main_~y~4 139), 117704#(<= ULTIMATE.start_main_~y~4 138), 117707#(<= ULTIMATE.start_main_~y~4 141), 117706#(<= ULTIMATE.start_main_~y~4 140), 117709#(<= ULTIMATE.start_main_~y~4 143), 117708#(<= ULTIMATE.start_main_~y~4 142), 117711#(<= ULTIMATE.start_main_~y~4 145), 117710#(<= ULTIMATE.start_main_~y~4 144), 117713#(<= ULTIMATE.start_main_~y~4 147), 117712#(<= ULTIMATE.start_main_~y~4 146), 117715#(<= ULTIMATE.start_main_~y~4 149), 117714#(<= ULTIMATE.start_main_~y~4 148), 117717#(<= ULTIMATE.start_main_~y~4 151), 117716#(<= ULTIMATE.start_main_~y~4 150), 117719#(<= ULTIMATE.start_main_~y~4 153), 117718#(<= ULTIMATE.start_main_~y~4 152), 117721#(<= ULTIMATE.start_main_~y~4 155), 117720#(<= ULTIMATE.start_main_~y~4 154), 117723#(<= ULTIMATE.start_main_~y~4 157), 117722#(<= ULTIMATE.start_main_~y~4 156), 117725#(<= ULTIMATE.start_main_~y~4 159), 117724#(<= ULTIMATE.start_main_~y~4 158), 117727#(<= ULTIMATE.start_main_~y~4 161), 117726#(<= ULTIMATE.start_main_~y~4 160), 117729#(<= ULTIMATE.start_main_~y~4 163), 117728#(<= ULTIMATE.start_main_~y~4 162), 117731#(<= ULTIMATE.start_main_~y~4 165), 117730#(<= ULTIMATE.start_main_~y~4 164), 117733#(<= ULTIMATE.start_main_~y~4 167), 117732#(<= ULTIMATE.start_main_~y~4 166), 117735#(<= ULTIMATE.start_main_~y~4 169), 117734#(<= ULTIMATE.start_main_~y~4 168), 117737#(<= ULTIMATE.start_main_~y~4 171), 117736#(<= ULTIMATE.start_main_~y~4 170), 117739#(<= ULTIMATE.start_main_~y~4 173), 117738#(<= ULTIMATE.start_main_~y~4 172), 117741#(<= ULTIMATE.start_main_~y~4 175), 117740#(<= ULTIMATE.start_main_~y~4 174), 117743#(<= ULTIMATE.start_main_~y~4 177), 117742#(<= ULTIMATE.start_main_~y~4 176), 117745#(<= ULTIMATE.start_main_~y~4 179), 117744#(<= ULTIMATE.start_main_~y~4 178), 117747#(<= ULTIMATE.start_main_~y~4 181), 117746#(<= ULTIMATE.start_main_~y~4 180), 117749#(<= ULTIMATE.start_main_~y~4 183), 117748#(<= ULTIMATE.start_main_~y~4 182), 117751#(<= ULTIMATE.start_main_~y~4 185), 117750#(<= ULTIMATE.start_main_~y~4 184), 117753#(<= ULTIMATE.start_main_~y~4 187), 117752#(<= ULTIMATE.start_main_~y~4 186), 117755#(<= ULTIMATE.start_main_~y~4 189), 117754#(<= ULTIMATE.start_main_~y~4 188), 117757#(<= ULTIMATE.start_main_~y~4 191), 117756#(<= ULTIMATE.start_main_~y~4 190), 117759#(<= ULTIMATE.start_main_~y~4 193), 117758#(<= ULTIMATE.start_main_~y~4 192)] [2018-07-23 13:39:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 22578 backedges. 0 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:52,731 INFO L450 AbstractCegarLoop]: Interpolant automaton has 215 states [2018-07-23 13:39:52,734 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 215 interpolants. [2018-07-23 13:39:52,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:39:52,736 INFO L87 Difference]: Start difference. First operand 216 states and 216 transitions. Second operand 215 states. [2018-07-23 13:39:53,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:53,881 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:39:53,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2018-07-23 13:39:53,881 INFO L78 Accepts]: Start accepts. Automaton has 215 states. Word has length 215 [2018-07-23 13:39:53,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:53,882 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:39:53,882 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:39:53,884 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:39:53,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:39:53,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:39:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:39:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:39:53,887 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 215 [2018-07-23 13:39:53,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:53,887 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:39:53,887 INFO L472 AbstractCegarLoop]: Interpolant automaton has 215 states. [2018-07-23 13:39:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:39:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:39:53,888 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:53,888 INFO L357 BasicCegarLoop]: trace histogram [213, 1, 1, 1] [2018-07-23 13:39:53,888 INFO L414 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:53,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1532292308, now seen corresponding path program 213 times [2018-07-23 13:39:53,888 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:55,028 INFO L134 CoverageAnalysis]: Checked inductivity of 22791 backedges. 0 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:55,029 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:55,029 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [215] total 215 [2018-07-23 13:39:55,029 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:55,029 INFO L185 omatonBuilderFactory]: Interpolants [118785#(<= ULTIMATE.start_main_~y~4 132), 118784#(<= ULTIMATE.start_main_~y~4 131), 118787#(<= ULTIMATE.start_main_~y~4 134), 118786#(<= ULTIMATE.start_main_~y~4 133), 118789#(<= ULTIMATE.start_main_~y~4 136), 118788#(<= ULTIMATE.start_main_~y~4 135), 118791#(<= ULTIMATE.start_main_~y~4 138), 118790#(<= ULTIMATE.start_main_~y~4 137), 118793#(<= ULTIMATE.start_main_~y~4 140), 118792#(<= ULTIMATE.start_main_~y~4 139), 118795#(<= ULTIMATE.start_main_~y~4 142), 118794#(<= ULTIMATE.start_main_~y~4 141), 118797#(<= ULTIMATE.start_main_~y~4 144), 118796#(<= ULTIMATE.start_main_~y~4 143), 118799#(<= ULTIMATE.start_main_~y~4 146), 118798#(<= ULTIMATE.start_main_~y~4 145), 118801#(<= ULTIMATE.start_main_~y~4 148), 118800#(<= ULTIMATE.start_main_~y~4 147), 118803#(<= ULTIMATE.start_main_~y~4 150), 118802#(<= ULTIMATE.start_main_~y~4 149), 118805#(<= ULTIMATE.start_main_~y~4 152), 118804#(<= ULTIMATE.start_main_~y~4 151), 118807#(<= ULTIMATE.start_main_~y~4 154), 118806#(<= ULTIMATE.start_main_~y~4 153), 118809#(<= ULTIMATE.start_main_~y~4 156), 118808#(<= ULTIMATE.start_main_~y~4 155), 118811#(<= ULTIMATE.start_main_~y~4 158), 118810#(<= ULTIMATE.start_main_~y~4 157), 118813#(<= ULTIMATE.start_main_~y~4 160), 118812#(<= ULTIMATE.start_main_~y~4 159), 118815#(<= ULTIMATE.start_main_~y~4 162), 118814#(<= ULTIMATE.start_main_~y~4 161), 118817#(<= ULTIMATE.start_main_~y~4 164), 118816#(<= ULTIMATE.start_main_~y~4 163), 118819#(<= ULTIMATE.start_main_~y~4 166), 118818#(<= ULTIMATE.start_main_~y~4 165), 118821#(<= ULTIMATE.start_main_~y~4 168), 118820#(<= ULTIMATE.start_main_~y~4 167), 118823#(<= ULTIMATE.start_main_~y~4 170), 118822#(<= ULTIMATE.start_main_~y~4 169), 118825#(<= ULTIMATE.start_main_~y~4 172), 118824#(<= ULTIMATE.start_main_~y~4 171), 118827#(<= ULTIMATE.start_main_~y~4 174), 118826#(<= ULTIMATE.start_main_~y~4 173), 118829#(<= ULTIMATE.start_main_~y~4 176), 118828#(<= ULTIMATE.start_main_~y~4 175), 118831#(<= ULTIMATE.start_main_~y~4 178), 118830#(<= ULTIMATE.start_main_~y~4 177), 118833#(<= ULTIMATE.start_main_~y~4 180), 118832#(<= ULTIMATE.start_main_~y~4 179), 118835#(<= ULTIMATE.start_main_~y~4 182), 118834#(<= ULTIMATE.start_main_~y~4 181), 118837#(<= ULTIMATE.start_main_~y~4 184), 118836#(<= ULTIMATE.start_main_~y~4 183), 118839#(<= ULTIMATE.start_main_~y~4 186), 118838#(<= ULTIMATE.start_main_~y~4 185), 118841#(<= ULTIMATE.start_main_~y~4 188), 118840#(<= ULTIMATE.start_main_~y~4 187), 118843#(<= ULTIMATE.start_main_~y~4 190), 118842#(<= ULTIMATE.start_main_~y~4 189), 118845#(<= ULTIMATE.start_main_~y~4 192), 118844#(<= ULTIMATE.start_main_~y~4 191), 118847#(<= ULTIMATE.start_main_~y~4 194), 118846#(<= ULTIMATE.start_main_~y~4 193), 118849#(<= ULTIMATE.start_main_~y~4 196), 118848#(<= ULTIMATE.start_main_~y~4 195), 118851#(<= ULTIMATE.start_main_~y~4 198), 118850#(<= ULTIMATE.start_main_~y~4 197), 118853#(<= ULTIMATE.start_main_~y~4 200), 118852#(<= ULTIMATE.start_main_~y~4 199), 118855#(<= ULTIMATE.start_main_~y~4 202), 118854#(<= ULTIMATE.start_main_~y~4 201), 118857#(<= ULTIMATE.start_main_~y~4 204), 118856#(<= ULTIMATE.start_main_~y~4 203), 118859#(<= ULTIMATE.start_main_~y~4 206), 118858#(<= ULTIMATE.start_main_~y~4 205), 118861#(<= ULTIMATE.start_main_~y~4 208), 118860#(<= ULTIMATE.start_main_~y~4 207), 118863#(<= ULTIMATE.start_main_~y~4 210), 118862#(<= ULTIMATE.start_main_~y~4 209), 118865#(<= ULTIMATE.start_main_~y~4 212), 118864#(<= ULTIMATE.start_main_~y~4 211), 118866#(<= ULTIMATE.start_main_~y~4 213), 118651#true, 118653#(<= ULTIMATE.start_main_~y~4 0), 118652#false, 118655#(<= ULTIMATE.start_main_~y~4 2), 118654#(<= ULTIMATE.start_main_~y~4 1), 118657#(<= ULTIMATE.start_main_~y~4 4), 118656#(<= ULTIMATE.start_main_~y~4 3), 118659#(<= ULTIMATE.start_main_~y~4 6), 118658#(<= ULTIMATE.start_main_~y~4 5), 118661#(<= ULTIMATE.start_main_~y~4 8), 118660#(<= ULTIMATE.start_main_~y~4 7), 118663#(<= ULTIMATE.start_main_~y~4 10), 118662#(<= ULTIMATE.start_main_~y~4 9), 118665#(<= ULTIMATE.start_main_~y~4 12), 118664#(<= ULTIMATE.start_main_~y~4 11), 118667#(<= ULTIMATE.start_main_~y~4 14), 118666#(<= ULTIMATE.start_main_~y~4 13), 118669#(<= ULTIMATE.start_main_~y~4 16), 118668#(<= ULTIMATE.start_main_~y~4 15), 118671#(<= ULTIMATE.start_main_~y~4 18), 118670#(<= ULTIMATE.start_main_~y~4 17), 118673#(<= ULTIMATE.start_main_~y~4 20), 118672#(<= ULTIMATE.start_main_~y~4 19), 118675#(<= ULTIMATE.start_main_~y~4 22), 118674#(<= ULTIMATE.start_main_~y~4 21), 118677#(<= ULTIMATE.start_main_~y~4 24), 118676#(<= ULTIMATE.start_main_~y~4 23), 118679#(<= ULTIMATE.start_main_~y~4 26), 118678#(<= ULTIMATE.start_main_~y~4 25), 118681#(<= ULTIMATE.start_main_~y~4 28), 118680#(<= ULTIMATE.start_main_~y~4 27), 118683#(<= ULTIMATE.start_main_~y~4 30), 118682#(<= ULTIMATE.start_main_~y~4 29), 118685#(<= ULTIMATE.start_main_~y~4 32), 118684#(<= ULTIMATE.start_main_~y~4 31), 118687#(<= ULTIMATE.start_main_~y~4 34), 118686#(<= ULTIMATE.start_main_~y~4 33), 118689#(<= ULTIMATE.start_main_~y~4 36), 118688#(<= ULTIMATE.start_main_~y~4 35), 118691#(<= ULTIMATE.start_main_~y~4 38), 118690#(<= ULTIMATE.start_main_~y~4 37), 118693#(<= ULTIMATE.start_main_~y~4 40), 118692#(<= ULTIMATE.start_main_~y~4 39), 118695#(<= ULTIMATE.start_main_~y~4 42), 118694#(<= ULTIMATE.start_main_~y~4 41), 118697#(<= ULTIMATE.start_main_~y~4 44), 118696#(<= ULTIMATE.start_main_~y~4 43), 118699#(<= ULTIMATE.start_main_~y~4 46), 118698#(<= ULTIMATE.start_main_~y~4 45), 118701#(<= ULTIMATE.start_main_~y~4 48), 118700#(<= ULTIMATE.start_main_~y~4 47), 118703#(<= ULTIMATE.start_main_~y~4 50), 118702#(<= ULTIMATE.start_main_~y~4 49), 118705#(<= ULTIMATE.start_main_~y~4 52), 118704#(<= ULTIMATE.start_main_~y~4 51), 118707#(<= ULTIMATE.start_main_~y~4 54), 118706#(<= ULTIMATE.start_main_~y~4 53), 118709#(<= ULTIMATE.start_main_~y~4 56), 118708#(<= ULTIMATE.start_main_~y~4 55), 118711#(<= ULTIMATE.start_main_~y~4 58), 118710#(<= ULTIMATE.start_main_~y~4 57), 118713#(<= ULTIMATE.start_main_~y~4 60), 118712#(<= ULTIMATE.start_main_~y~4 59), 118715#(<= ULTIMATE.start_main_~y~4 62), 118714#(<= ULTIMATE.start_main_~y~4 61), 118717#(<= ULTIMATE.start_main_~y~4 64), 118716#(<= ULTIMATE.start_main_~y~4 63), 118719#(<= ULTIMATE.start_main_~y~4 66), 118718#(<= ULTIMATE.start_main_~y~4 65), 118721#(<= ULTIMATE.start_main_~y~4 68), 118720#(<= ULTIMATE.start_main_~y~4 67), 118723#(<= ULTIMATE.start_main_~y~4 70), 118722#(<= ULTIMATE.start_main_~y~4 69), 118725#(<= ULTIMATE.start_main_~y~4 72), 118724#(<= ULTIMATE.start_main_~y~4 71), 118727#(<= ULTIMATE.start_main_~y~4 74), 118726#(<= ULTIMATE.start_main_~y~4 73), 118729#(<= ULTIMATE.start_main_~y~4 76), 118728#(<= ULTIMATE.start_main_~y~4 75), 118731#(<= ULTIMATE.start_main_~y~4 78), 118730#(<= ULTIMATE.start_main_~y~4 77), 118733#(<= ULTIMATE.start_main_~y~4 80), 118732#(<= ULTIMATE.start_main_~y~4 79), 118735#(<= ULTIMATE.start_main_~y~4 82), 118734#(<= ULTIMATE.start_main_~y~4 81), 118737#(<= ULTIMATE.start_main_~y~4 84), 118736#(<= ULTIMATE.start_main_~y~4 83), 118739#(<= ULTIMATE.start_main_~y~4 86), 118738#(<= ULTIMATE.start_main_~y~4 85), 118741#(<= ULTIMATE.start_main_~y~4 88), 118740#(<= ULTIMATE.start_main_~y~4 87), 118743#(<= ULTIMATE.start_main_~y~4 90), 118742#(<= ULTIMATE.start_main_~y~4 89), 118745#(<= ULTIMATE.start_main_~y~4 92), 118744#(<= ULTIMATE.start_main_~y~4 91), 118747#(<= ULTIMATE.start_main_~y~4 94), 118746#(<= ULTIMATE.start_main_~y~4 93), 118749#(<= ULTIMATE.start_main_~y~4 96), 118748#(<= ULTIMATE.start_main_~y~4 95), 118751#(<= ULTIMATE.start_main_~y~4 98), 118750#(<= ULTIMATE.start_main_~y~4 97), 118753#(<= ULTIMATE.start_main_~y~4 100), 118752#(<= ULTIMATE.start_main_~y~4 99), 118755#(<= ULTIMATE.start_main_~y~4 102), 118754#(<= ULTIMATE.start_main_~y~4 101), 118757#(<= ULTIMATE.start_main_~y~4 104), 118756#(<= ULTIMATE.start_main_~y~4 103), 118759#(<= ULTIMATE.start_main_~y~4 106), 118758#(<= ULTIMATE.start_main_~y~4 105), 118761#(<= ULTIMATE.start_main_~y~4 108), 118760#(<= ULTIMATE.start_main_~y~4 107), 118763#(<= ULTIMATE.start_main_~y~4 110), 118762#(<= ULTIMATE.start_main_~y~4 109), 118765#(<= ULTIMATE.start_main_~y~4 112), 118764#(<= ULTIMATE.start_main_~y~4 111), 118767#(<= ULTIMATE.start_main_~y~4 114), 118766#(<= ULTIMATE.start_main_~y~4 113), 118769#(<= ULTIMATE.start_main_~y~4 116), 118768#(<= ULTIMATE.start_main_~y~4 115), 118771#(<= ULTIMATE.start_main_~y~4 118), 118770#(<= ULTIMATE.start_main_~y~4 117), 118773#(<= ULTIMATE.start_main_~y~4 120), 118772#(<= ULTIMATE.start_main_~y~4 119), 118775#(<= ULTIMATE.start_main_~y~4 122), 118774#(<= ULTIMATE.start_main_~y~4 121), 118777#(<= ULTIMATE.start_main_~y~4 124), 118776#(<= ULTIMATE.start_main_~y~4 123), 118779#(<= ULTIMATE.start_main_~y~4 126), 118778#(<= ULTIMATE.start_main_~y~4 125), 118781#(<= ULTIMATE.start_main_~y~4 128), 118780#(<= ULTIMATE.start_main_~y~4 127), 118783#(<= ULTIMATE.start_main_~y~4 130), 118782#(<= ULTIMATE.start_main_~y~4 129)] [2018-07-23 13:39:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 22791 backedges. 0 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:55,031 INFO L450 AbstractCegarLoop]: Interpolant automaton has 216 states [2018-07-23 13:39:55,034 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2018-07-23 13:39:55,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:39:55,035 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 216 states. [2018-07-23 13:39:55,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:55,415 INFO L93 Difference]: Finished difference Result 220 states and 220 transitions. [2018-07-23 13:39:55,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2018-07-23 13:39:55,415 INFO L78 Accepts]: Start accepts. Automaton has 216 states. Word has length 216 [2018-07-23 13:39:55,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:55,416 INFO L225 Difference]: With dead ends: 220 [2018-07-23 13:39:55,416 INFO L226 Difference]: Without dead ends: 218 [2018-07-23 13:39:55,418 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:39:55,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-07-23 13:39:55,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-07-23 13:39:55,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-07-23 13:39:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 218 transitions. [2018-07-23 13:39:55,420 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 218 transitions. Word has length 216 [2018-07-23 13:39:55,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:55,420 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 218 transitions. [2018-07-23 13:39:55,420 INFO L472 AbstractCegarLoop]: Interpolant automaton has 216 states. [2018-07-23 13:39:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 218 transitions. [2018-07-23 13:39:55,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-07-23 13:39:55,421 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:55,421 INFO L357 BasicCegarLoop]: trace histogram [214, 1, 1, 1] [2018-07-23 13:39:55,421 INFO L414 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:55,421 INFO L82 PathProgramCache]: Analyzing trace with hash -256419485, now seen corresponding path program 214 times [2018-07-23 13:39:55,421 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 23005 backedges. 0 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:56,414 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:56,414 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [216] total 216 [2018-07-23 13:39:56,414 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:56,414 INFO L185 omatonBuilderFactory]: Interpolants [119809#(<= ULTIMATE.start_main_~y~4 64), 119808#(<= ULTIMATE.start_main_~y~4 63), 119811#(<= ULTIMATE.start_main_~y~4 66), 119810#(<= ULTIMATE.start_main_~y~4 65), 119813#(<= ULTIMATE.start_main_~y~4 68), 119812#(<= ULTIMATE.start_main_~y~4 67), 119815#(<= ULTIMATE.start_main_~y~4 70), 119814#(<= ULTIMATE.start_main_~y~4 69), 119817#(<= ULTIMATE.start_main_~y~4 72), 119816#(<= ULTIMATE.start_main_~y~4 71), 119819#(<= ULTIMATE.start_main_~y~4 74), 119818#(<= ULTIMATE.start_main_~y~4 73), 119821#(<= ULTIMATE.start_main_~y~4 76), 119820#(<= ULTIMATE.start_main_~y~4 75), 119823#(<= ULTIMATE.start_main_~y~4 78), 119822#(<= ULTIMATE.start_main_~y~4 77), 119825#(<= ULTIMATE.start_main_~y~4 80), 119824#(<= ULTIMATE.start_main_~y~4 79), 119827#(<= ULTIMATE.start_main_~y~4 82), 119826#(<= ULTIMATE.start_main_~y~4 81), 119829#(<= ULTIMATE.start_main_~y~4 84), 119828#(<= ULTIMATE.start_main_~y~4 83), 119831#(<= ULTIMATE.start_main_~y~4 86), 119830#(<= ULTIMATE.start_main_~y~4 85), 119833#(<= ULTIMATE.start_main_~y~4 88), 119832#(<= ULTIMATE.start_main_~y~4 87), 119835#(<= ULTIMATE.start_main_~y~4 90), 119834#(<= ULTIMATE.start_main_~y~4 89), 119837#(<= ULTIMATE.start_main_~y~4 92), 119836#(<= ULTIMATE.start_main_~y~4 91), 119839#(<= ULTIMATE.start_main_~y~4 94), 119838#(<= ULTIMATE.start_main_~y~4 93), 119841#(<= ULTIMATE.start_main_~y~4 96), 119840#(<= ULTIMATE.start_main_~y~4 95), 119843#(<= ULTIMATE.start_main_~y~4 98), 119842#(<= ULTIMATE.start_main_~y~4 97), 119845#(<= ULTIMATE.start_main_~y~4 100), 119844#(<= ULTIMATE.start_main_~y~4 99), 119847#(<= ULTIMATE.start_main_~y~4 102), 119846#(<= ULTIMATE.start_main_~y~4 101), 119849#(<= ULTIMATE.start_main_~y~4 104), 119848#(<= ULTIMATE.start_main_~y~4 103), 119851#(<= ULTIMATE.start_main_~y~4 106), 119850#(<= ULTIMATE.start_main_~y~4 105), 119853#(<= ULTIMATE.start_main_~y~4 108), 119852#(<= ULTIMATE.start_main_~y~4 107), 119855#(<= ULTIMATE.start_main_~y~4 110), 119854#(<= ULTIMATE.start_main_~y~4 109), 119857#(<= ULTIMATE.start_main_~y~4 112), 119856#(<= ULTIMATE.start_main_~y~4 111), 119859#(<= ULTIMATE.start_main_~y~4 114), 119858#(<= ULTIMATE.start_main_~y~4 113), 119861#(<= ULTIMATE.start_main_~y~4 116), 119860#(<= ULTIMATE.start_main_~y~4 115), 119863#(<= ULTIMATE.start_main_~y~4 118), 119862#(<= ULTIMATE.start_main_~y~4 117), 119865#(<= ULTIMATE.start_main_~y~4 120), 119864#(<= ULTIMATE.start_main_~y~4 119), 119867#(<= ULTIMATE.start_main_~y~4 122), 119866#(<= ULTIMATE.start_main_~y~4 121), 119869#(<= ULTIMATE.start_main_~y~4 124), 119868#(<= ULTIMATE.start_main_~y~4 123), 119871#(<= ULTIMATE.start_main_~y~4 126), 119870#(<= ULTIMATE.start_main_~y~4 125), 119873#(<= ULTIMATE.start_main_~y~4 128), 119872#(<= ULTIMATE.start_main_~y~4 127), 119875#(<= ULTIMATE.start_main_~y~4 130), 119874#(<= ULTIMATE.start_main_~y~4 129), 119877#(<= ULTIMATE.start_main_~y~4 132), 119876#(<= ULTIMATE.start_main_~y~4 131), 119879#(<= ULTIMATE.start_main_~y~4 134), 119878#(<= ULTIMATE.start_main_~y~4 133), 119881#(<= ULTIMATE.start_main_~y~4 136), 119880#(<= ULTIMATE.start_main_~y~4 135), 119883#(<= ULTIMATE.start_main_~y~4 138), 119882#(<= ULTIMATE.start_main_~y~4 137), 119885#(<= ULTIMATE.start_main_~y~4 140), 119884#(<= ULTIMATE.start_main_~y~4 139), 119887#(<= ULTIMATE.start_main_~y~4 142), 119886#(<= ULTIMATE.start_main_~y~4 141), 119889#(<= ULTIMATE.start_main_~y~4 144), 119888#(<= ULTIMATE.start_main_~y~4 143), 119891#(<= ULTIMATE.start_main_~y~4 146), 119890#(<= ULTIMATE.start_main_~y~4 145), 119893#(<= ULTIMATE.start_main_~y~4 148), 119892#(<= ULTIMATE.start_main_~y~4 147), 119895#(<= ULTIMATE.start_main_~y~4 150), 119894#(<= ULTIMATE.start_main_~y~4 149), 119897#(<= ULTIMATE.start_main_~y~4 152), 119896#(<= ULTIMATE.start_main_~y~4 151), 119899#(<= ULTIMATE.start_main_~y~4 154), 119898#(<= ULTIMATE.start_main_~y~4 153), 119901#(<= ULTIMATE.start_main_~y~4 156), 119900#(<= ULTIMATE.start_main_~y~4 155), 119903#(<= ULTIMATE.start_main_~y~4 158), 119902#(<= ULTIMATE.start_main_~y~4 157), 119905#(<= ULTIMATE.start_main_~y~4 160), 119904#(<= ULTIMATE.start_main_~y~4 159), 119907#(<= ULTIMATE.start_main_~y~4 162), 119906#(<= ULTIMATE.start_main_~y~4 161), 119909#(<= ULTIMATE.start_main_~y~4 164), 119908#(<= ULTIMATE.start_main_~y~4 163), 119911#(<= ULTIMATE.start_main_~y~4 166), 119910#(<= ULTIMATE.start_main_~y~4 165), 119913#(<= ULTIMATE.start_main_~y~4 168), 119912#(<= ULTIMATE.start_main_~y~4 167), 119915#(<= ULTIMATE.start_main_~y~4 170), 119914#(<= ULTIMATE.start_main_~y~4 169), 119917#(<= ULTIMATE.start_main_~y~4 172), 119916#(<= ULTIMATE.start_main_~y~4 171), 119919#(<= ULTIMATE.start_main_~y~4 174), 119918#(<= ULTIMATE.start_main_~y~4 173), 119921#(<= ULTIMATE.start_main_~y~4 176), 119920#(<= ULTIMATE.start_main_~y~4 175), 119923#(<= ULTIMATE.start_main_~y~4 178), 119922#(<= ULTIMATE.start_main_~y~4 177), 119925#(<= ULTIMATE.start_main_~y~4 180), 119924#(<= ULTIMATE.start_main_~y~4 179), 119927#(<= ULTIMATE.start_main_~y~4 182), 119926#(<= ULTIMATE.start_main_~y~4 181), 119929#(<= ULTIMATE.start_main_~y~4 184), 119928#(<= ULTIMATE.start_main_~y~4 183), 119931#(<= ULTIMATE.start_main_~y~4 186), 119930#(<= ULTIMATE.start_main_~y~4 185), 119933#(<= ULTIMATE.start_main_~y~4 188), 119932#(<= ULTIMATE.start_main_~y~4 187), 119935#(<= ULTIMATE.start_main_~y~4 190), 119934#(<= ULTIMATE.start_main_~y~4 189), 119937#(<= ULTIMATE.start_main_~y~4 192), 119936#(<= ULTIMATE.start_main_~y~4 191), 119939#(<= ULTIMATE.start_main_~y~4 194), 119938#(<= ULTIMATE.start_main_~y~4 193), 119941#(<= ULTIMATE.start_main_~y~4 196), 119940#(<= ULTIMATE.start_main_~y~4 195), 119943#(<= ULTIMATE.start_main_~y~4 198), 119942#(<= ULTIMATE.start_main_~y~4 197), 119945#(<= ULTIMATE.start_main_~y~4 200), 119944#(<= ULTIMATE.start_main_~y~4 199), 119947#(<= ULTIMATE.start_main_~y~4 202), 119946#(<= ULTIMATE.start_main_~y~4 201), 119949#(<= ULTIMATE.start_main_~y~4 204), 119948#(<= ULTIMATE.start_main_~y~4 203), 119951#(<= ULTIMATE.start_main_~y~4 206), 119950#(<= ULTIMATE.start_main_~y~4 205), 119953#(<= ULTIMATE.start_main_~y~4 208), 119952#(<= ULTIMATE.start_main_~y~4 207), 119955#(<= ULTIMATE.start_main_~y~4 210), 119954#(<= ULTIMATE.start_main_~y~4 209), 119957#(<= ULTIMATE.start_main_~y~4 212), 119956#(<= ULTIMATE.start_main_~y~4 211), 119959#(<= ULTIMATE.start_main_~y~4 214), 119958#(<= ULTIMATE.start_main_~y~4 213), 119743#true, 119745#(<= ULTIMATE.start_main_~y~4 0), 119744#false, 119747#(<= ULTIMATE.start_main_~y~4 2), 119746#(<= ULTIMATE.start_main_~y~4 1), 119749#(<= ULTIMATE.start_main_~y~4 4), 119748#(<= ULTIMATE.start_main_~y~4 3), 119751#(<= ULTIMATE.start_main_~y~4 6), 119750#(<= ULTIMATE.start_main_~y~4 5), 119753#(<= ULTIMATE.start_main_~y~4 8), 119752#(<= ULTIMATE.start_main_~y~4 7), 119755#(<= ULTIMATE.start_main_~y~4 10), 119754#(<= ULTIMATE.start_main_~y~4 9), 119757#(<= ULTIMATE.start_main_~y~4 12), 119756#(<= ULTIMATE.start_main_~y~4 11), 119759#(<= ULTIMATE.start_main_~y~4 14), 119758#(<= ULTIMATE.start_main_~y~4 13), 119761#(<= ULTIMATE.start_main_~y~4 16), 119760#(<= ULTIMATE.start_main_~y~4 15), 119763#(<= ULTIMATE.start_main_~y~4 18), 119762#(<= ULTIMATE.start_main_~y~4 17), 119765#(<= ULTIMATE.start_main_~y~4 20), 119764#(<= ULTIMATE.start_main_~y~4 19), 119767#(<= ULTIMATE.start_main_~y~4 22), 119766#(<= ULTIMATE.start_main_~y~4 21), 119769#(<= ULTIMATE.start_main_~y~4 24), 119768#(<= ULTIMATE.start_main_~y~4 23), 119771#(<= ULTIMATE.start_main_~y~4 26), 119770#(<= ULTIMATE.start_main_~y~4 25), 119773#(<= ULTIMATE.start_main_~y~4 28), 119772#(<= ULTIMATE.start_main_~y~4 27), 119775#(<= ULTIMATE.start_main_~y~4 30), 119774#(<= ULTIMATE.start_main_~y~4 29), 119777#(<= ULTIMATE.start_main_~y~4 32), 119776#(<= ULTIMATE.start_main_~y~4 31), 119779#(<= ULTIMATE.start_main_~y~4 34), 119778#(<= ULTIMATE.start_main_~y~4 33), 119781#(<= ULTIMATE.start_main_~y~4 36), 119780#(<= ULTIMATE.start_main_~y~4 35), 119783#(<= ULTIMATE.start_main_~y~4 38), 119782#(<= ULTIMATE.start_main_~y~4 37), 119785#(<= ULTIMATE.start_main_~y~4 40), 119784#(<= ULTIMATE.start_main_~y~4 39), 119787#(<= ULTIMATE.start_main_~y~4 42), 119786#(<= ULTIMATE.start_main_~y~4 41), 119789#(<= ULTIMATE.start_main_~y~4 44), 119788#(<= ULTIMATE.start_main_~y~4 43), 119791#(<= ULTIMATE.start_main_~y~4 46), 119790#(<= ULTIMATE.start_main_~y~4 45), 119793#(<= ULTIMATE.start_main_~y~4 48), 119792#(<= ULTIMATE.start_main_~y~4 47), 119795#(<= ULTIMATE.start_main_~y~4 50), 119794#(<= ULTIMATE.start_main_~y~4 49), 119797#(<= ULTIMATE.start_main_~y~4 52), 119796#(<= ULTIMATE.start_main_~y~4 51), 119799#(<= ULTIMATE.start_main_~y~4 54), 119798#(<= ULTIMATE.start_main_~y~4 53), 119801#(<= ULTIMATE.start_main_~y~4 56), 119800#(<= ULTIMATE.start_main_~y~4 55), 119803#(<= ULTIMATE.start_main_~y~4 58), 119802#(<= ULTIMATE.start_main_~y~4 57), 119805#(<= ULTIMATE.start_main_~y~4 60), 119804#(<= ULTIMATE.start_main_~y~4 59), 119807#(<= ULTIMATE.start_main_~y~4 62), 119806#(<= ULTIMATE.start_main_~y~4 61)] [2018-07-23 13:39:56,415 INFO L134 CoverageAnalysis]: Checked inductivity of 23005 backedges. 0 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:56,415 INFO L450 AbstractCegarLoop]: Interpolant automaton has 217 states [2018-07-23 13:39:56,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2018-07-23 13:39:56,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:39:56,418 INFO L87 Difference]: Start difference. First operand 218 states and 218 transitions. Second operand 217 states. [2018-07-23 13:39:57,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:57,100 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:39:57,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2018-07-23 13:39:57,101 INFO L78 Accepts]: Start accepts. Automaton has 217 states. Word has length 217 [2018-07-23 13:39:57,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:57,101 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:39:57,101 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:39:57,102 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:39:57,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:39:57,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:39:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:39:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:39:57,105 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 217 [2018-07-23 13:39:57,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:57,105 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:39:57,105 INFO L472 AbstractCegarLoop]: Interpolant automaton has 217 states. [2018-07-23 13:39:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:39:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:39:57,106 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:57,106 INFO L357 BasicCegarLoop]: trace histogram [215, 1, 1, 1] [2018-07-23 13:39:57,106 INFO L414 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:57,106 INFO L82 PathProgramCache]: Analyzing trace with hash 640932364, now seen corresponding path program 215 times [2018-07-23 13:39:57,106 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 23220 backedges. 0 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:58,086 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:58,086 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [217] total 217 [2018-07-23 13:39:58,086 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:58,087 INFO L185 omatonBuilderFactory]: Interpolants [120841#false, 120840#true, 120843#(<= ULTIMATE.start_main_~y~4 1), 120842#(<= ULTIMATE.start_main_~y~4 0), 120845#(<= ULTIMATE.start_main_~y~4 3), 120844#(<= ULTIMATE.start_main_~y~4 2), 120847#(<= ULTIMATE.start_main_~y~4 5), 120846#(<= ULTIMATE.start_main_~y~4 4), 120849#(<= ULTIMATE.start_main_~y~4 7), 120848#(<= ULTIMATE.start_main_~y~4 6), 120851#(<= ULTIMATE.start_main_~y~4 9), 120850#(<= ULTIMATE.start_main_~y~4 8), 120853#(<= ULTIMATE.start_main_~y~4 11), 120852#(<= ULTIMATE.start_main_~y~4 10), 120855#(<= ULTIMATE.start_main_~y~4 13), 120854#(<= ULTIMATE.start_main_~y~4 12), 120857#(<= ULTIMATE.start_main_~y~4 15), 120856#(<= ULTIMATE.start_main_~y~4 14), 120859#(<= ULTIMATE.start_main_~y~4 17), 120858#(<= ULTIMATE.start_main_~y~4 16), 120861#(<= ULTIMATE.start_main_~y~4 19), 120860#(<= ULTIMATE.start_main_~y~4 18), 120863#(<= ULTIMATE.start_main_~y~4 21), 120862#(<= ULTIMATE.start_main_~y~4 20), 120865#(<= ULTIMATE.start_main_~y~4 23), 120864#(<= ULTIMATE.start_main_~y~4 22), 120867#(<= ULTIMATE.start_main_~y~4 25), 120866#(<= ULTIMATE.start_main_~y~4 24), 120869#(<= ULTIMATE.start_main_~y~4 27), 120868#(<= ULTIMATE.start_main_~y~4 26), 120871#(<= ULTIMATE.start_main_~y~4 29), 120870#(<= ULTIMATE.start_main_~y~4 28), 120873#(<= ULTIMATE.start_main_~y~4 31), 120872#(<= ULTIMATE.start_main_~y~4 30), 120875#(<= ULTIMATE.start_main_~y~4 33), 120874#(<= ULTIMATE.start_main_~y~4 32), 120877#(<= ULTIMATE.start_main_~y~4 35), 120876#(<= ULTIMATE.start_main_~y~4 34), 120879#(<= ULTIMATE.start_main_~y~4 37), 120878#(<= ULTIMATE.start_main_~y~4 36), 120881#(<= ULTIMATE.start_main_~y~4 39), 120880#(<= ULTIMATE.start_main_~y~4 38), 120883#(<= ULTIMATE.start_main_~y~4 41), 120882#(<= ULTIMATE.start_main_~y~4 40), 120885#(<= ULTIMATE.start_main_~y~4 43), 120884#(<= ULTIMATE.start_main_~y~4 42), 120887#(<= ULTIMATE.start_main_~y~4 45), 120886#(<= ULTIMATE.start_main_~y~4 44), 120889#(<= ULTIMATE.start_main_~y~4 47), 120888#(<= ULTIMATE.start_main_~y~4 46), 120891#(<= ULTIMATE.start_main_~y~4 49), 120890#(<= ULTIMATE.start_main_~y~4 48), 120893#(<= ULTIMATE.start_main_~y~4 51), 120892#(<= ULTIMATE.start_main_~y~4 50), 120895#(<= ULTIMATE.start_main_~y~4 53), 120894#(<= ULTIMATE.start_main_~y~4 52), 120897#(<= ULTIMATE.start_main_~y~4 55), 120896#(<= ULTIMATE.start_main_~y~4 54), 120899#(<= ULTIMATE.start_main_~y~4 57), 120898#(<= ULTIMATE.start_main_~y~4 56), 120901#(<= ULTIMATE.start_main_~y~4 59), 120900#(<= ULTIMATE.start_main_~y~4 58), 120903#(<= ULTIMATE.start_main_~y~4 61), 120902#(<= ULTIMATE.start_main_~y~4 60), 120905#(<= ULTIMATE.start_main_~y~4 63), 120904#(<= ULTIMATE.start_main_~y~4 62), 120907#(<= ULTIMATE.start_main_~y~4 65), 120906#(<= ULTIMATE.start_main_~y~4 64), 120909#(<= ULTIMATE.start_main_~y~4 67), 120908#(<= ULTIMATE.start_main_~y~4 66), 120911#(<= ULTIMATE.start_main_~y~4 69), 120910#(<= ULTIMATE.start_main_~y~4 68), 120913#(<= ULTIMATE.start_main_~y~4 71), 120912#(<= ULTIMATE.start_main_~y~4 70), 120915#(<= ULTIMATE.start_main_~y~4 73), 120914#(<= ULTIMATE.start_main_~y~4 72), 120917#(<= ULTIMATE.start_main_~y~4 75), 120916#(<= ULTIMATE.start_main_~y~4 74), 120919#(<= ULTIMATE.start_main_~y~4 77), 120918#(<= ULTIMATE.start_main_~y~4 76), 120921#(<= ULTIMATE.start_main_~y~4 79), 120920#(<= ULTIMATE.start_main_~y~4 78), 120923#(<= ULTIMATE.start_main_~y~4 81), 120922#(<= ULTIMATE.start_main_~y~4 80), 120925#(<= ULTIMATE.start_main_~y~4 83), 120924#(<= ULTIMATE.start_main_~y~4 82), 120927#(<= ULTIMATE.start_main_~y~4 85), 120926#(<= ULTIMATE.start_main_~y~4 84), 120929#(<= ULTIMATE.start_main_~y~4 87), 120928#(<= ULTIMATE.start_main_~y~4 86), 120931#(<= ULTIMATE.start_main_~y~4 89), 120930#(<= ULTIMATE.start_main_~y~4 88), 120933#(<= ULTIMATE.start_main_~y~4 91), 120932#(<= ULTIMATE.start_main_~y~4 90), 120935#(<= ULTIMATE.start_main_~y~4 93), 120934#(<= ULTIMATE.start_main_~y~4 92), 120937#(<= ULTIMATE.start_main_~y~4 95), 120936#(<= ULTIMATE.start_main_~y~4 94), 120939#(<= ULTIMATE.start_main_~y~4 97), 120938#(<= ULTIMATE.start_main_~y~4 96), 120941#(<= ULTIMATE.start_main_~y~4 99), 120940#(<= ULTIMATE.start_main_~y~4 98), 120943#(<= ULTIMATE.start_main_~y~4 101), 120942#(<= ULTIMATE.start_main_~y~4 100), 120945#(<= ULTIMATE.start_main_~y~4 103), 120944#(<= ULTIMATE.start_main_~y~4 102), 120947#(<= ULTIMATE.start_main_~y~4 105), 120946#(<= ULTIMATE.start_main_~y~4 104), 120949#(<= ULTIMATE.start_main_~y~4 107), 120948#(<= ULTIMATE.start_main_~y~4 106), 120951#(<= ULTIMATE.start_main_~y~4 109), 120950#(<= ULTIMATE.start_main_~y~4 108), 120953#(<= ULTIMATE.start_main_~y~4 111), 120952#(<= ULTIMATE.start_main_~y~4 110), 120955#(<= ULTIMATE.start_main_~y~4 113), 120954#(<= ULTIMATE.start_main_~y~4 112), 120957#(<= ULTIMATE.start_main_~y~4 115), 120956#(<= ULTIMATE.start_main_~y~4 114), 120959#(<= ULTIMATE.start_main_~y~4 117), 120958#(<= ULTIMATE.start_main_~y~4 116), 120961#(<= ULTIMATE.start_main_~y~4 119), 120960#(<= ULTIMATE.start_main_~y~4 118), 120963#(<= ULTIMATE.start_main_~y~4 121), 120962#(<= ULTIMATE.start_main_~y~4 120), 120965#(<= ULTIMATE.start_main_~y~4 123), 120964#(<= ULTIMATE.start_main_~y~4 122), 120967#(<= ULTIMATE.start_main_~y~4 125), 120966#(<= ULTIMATE.start_main_~y~4 124), 120969#(<= ULTIMATE.start_main_~y~4 127), 120968#(<= ULTIMATE.start_main_~y~4 126), 120971#(<= ULTIMATE.start_main_~y~4 129), 120970#(<= ULTIMATE.start_main_~y~4 128), 120973#(<= ULTIMATE.start_main_~y~4 131), 120972#(<= ULTIMATE.start_main_~y~4 130), 120975#(<= ULTIMATE.start_main_~y~4 133), 120974#(<= ULTIMATE.start_main_~y~4 132), 120977#(<= ULTIMATE.start_main_~y~4 135), 120976#(<= ULTIMATE.start_main_~y~4 134), 120979#(<= ULTIMATE.start_main_~y~4 137), 120978#(<= ULTIMATE.start_main_~y~4 136), 120981#(<= ULTIMATE.start_main_~y~4 139), 120980#(<= ULTIMATE.start_main_~y~4 138), 120983#(<= ULTIMATE.start_main_~y~4 141), 120982#(<= ULTIMATE.start_main_~y~4 140), 120985#(<= ULTIMATE.start_main_~y~4 143), 120984#(<= ULTIMATE.start_main_~y~4 142), 120987#(<= ULTIMATE.start_main_~y~4 145), 120986#(<= ULTIMATE.start_main_~y~4 144), 120989#(<= ULTIMATE.start_main_~y~4 147), 120988#(<= ULTIMATE.start_main_~y~4 146), 120991#(<= ULTIMATE.start_main_~y~4 149), 120990#(<= ULTIMATE.start_main_~y~4 148), 120993#(<= ULTIMATE.start_main_~y~4 151), 120992#(<= ULTIMATE.start_main_~y~4 150), 120995#(<= ULTIMATE.start_main_~y~4 153), 120994#(<= ULTIMATE.start_main_~y~4 152), 120997#(<= ULTIMATE.start_main_~y~4 155), 120996#(<= ULTIMATE.start_main_~y~4 154), 120999#(<= ULTIMATE.start_main_~y~4 157), 120998#(<= ULTIMATE.start_main_~y~4 156), 121001#(<= ULTIMATE.start_main_~y~4 159), 121000#(<= ULTIMATE.start_main_~y~4 158), 121003#(<= ULTIMATE.start_main_~y~4 161), 121002#(<= ULTIMATE.start_main_~y~4 160), 121005#(<= ULTIMATE.start_main_~y~4 163), 121004#(<= ULTIMATE.start_main_~y~4 162), 121007#(<= ULTIMATE.start_main_~y~4 165), 121006#(<= ULTIMATE.start_main_~y~4 164), 121009#(<= ULTIMATE.start_main_~y~4 167), 121008#(<= ULTIMATE.start_main_~y~4 166), 121011#(<= ULTIMATE.start_main_~y~4 169), 121010#(<= ULTIMATE.start_main_~y~4 168), 121013#(<= ULTIMATE.start_main_~y~4 171), 121012#(<= ULTIMATE.start_main_~y~4 170), 121015#(<= ULTIMATE.start_main_~y~4 173), 121014#(<= ULTIMATE.start_main_~y~4 172), 121017#(<= ULTIMATE.start_main_~y~4 175), 121016#(<= ULTIMATE.start_main_~y~4 174), 121019#(<= ULTIMATE.start_main_~y~4 177), 121018#(<= ULTIMATE.start_main_~y~4 176), 121021#(<= ULTIMATE.start_main_~y~4 179), 121020#(<= ULTIMATE.start_main_~y~4 178), 121023#(<= ULTIMATE.start_main_~y~4 181), 121022#(<= ULTIMATE.start_main_~y~4 180), 121025#(<= ULTIMATE.start_main_~y~4 183), 121024#(<= ULTIMATE.start_main_~y~4 182), 121027#(<= ULTIMATE.start_main_~y~4 185), 121026#(<= ULTIMATE.start_main_~y~4 184), 121029#(<= ULTIMATE.start_main_~y~4 187), 121028#(<= ULTIMATE.start_main_~y~4 186), 121031#(<= ULTIMATE.start_main_~y~4 189), 121030#(<= ULTIMATE.start_main_~y~4 188), 121033#(<= ULTIMATE.start_main_~y~4 191), 121032#(<= ULTIMATE.start_main_~y~4 190), 121035#(<= ULTIMATE.start_main_~y~4 193), 121034#(<= ULTIMATE.start_main_~y~4 192), 121037#(<= ULTIMATE.start_main_~y~4 195), 121036#(<= ULTIMATE.start_main_~y~4 194), 121039#(<= ULTIMATE.start_main_~y~4 197), 121038#(<= ULTIMATE.start_main_~y~4 196), 121041#(<= ULTIMATE.start_main_~y~4 199), 121040#(<= ULTIMATE.start_main_~y~4 198), 121043#(<= ULTIMATE.start_main_~y~4 201), 121042#(<= ULTIMATE.start_main_~y~4 200), 121045#(<= ULTIMATE.start_main_~y~4 203), 121044#(<= ULTIMATE.start_main_~y~4 202), 121047#(<= ULTIMATE.start_main_~y~4 205), 121046#(<= ULTIMATE.start_main_~y~4 204), 121049#(<= ULTIMATE.start_main_~y~4 207), 121048#(<= ULTIMATE.start_main_~y~4 206), 121051#(<= ULTIMATE.start_main_~y~4 209), 121050#(<= ULTIMATE.start_main_~y~4 208), 121053#(<= ULTIMATE.start_main_~y~4 211), 121052#(<= ULTIMATE.start_main_~y~4 210), 121055#(<= ULTIMATE.start_main_~y~4 213), 121054#(<= ULTIMATE.start_main_~y~4 212), 121057#(<= ULTIMATE.start_main_~y~4 215), 121056#(<= ULTIMATE.start_main_~y~4 214)] [2018-07-23 13:39:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 23220 backedges. 0 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:58,088 INFO L450 AbstractCegarLoop]: Interpolant automaton has 218 states [2018-07-23 13:39:58,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2018-07-23 13:39:58,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:39:58,094 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 218 states. [2018-07-23 13:39:59,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:59,335 INFO L93 Difference]: Finished difference Result 222 states and 222 transitions. [2018-07-23 13:39:59,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2018-07-23 13:39:59,335 INFO L78 Accepts]: Start accepts. Automaton has 218 states. Word has length 218 [2018-07-23 13:39:59,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:59,336 INFO L225 Difference]: With dead ends: 222 [2018-07-23 13:39:59,336 INFO L226 Difference]: Without dead ends: 220 [2018-07-23 13:39:59,338 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:39:59,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-07-23 13:39:59,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2018-07-23 13:39:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-07-23 13:39:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 220 transitions. [2018-07-23 13:39:59,340 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 220 transitions. Word has length 218 [2018-07-23 13:39:59,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:59,340 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 220 transitions. [2018-07-23 13:39:59,340 INFO L472 AbstractCegarLoop]: Interpolant automaton has 218 states. [2018-07-23 13:39:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 220 transitions. [2018-07-23 13:39:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-07-23 13:39:59,341 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:59,341 INFO L357 BasicCegarLoop]: trace histogram [216, 1, 1, 1] [2018-07-23 13:39:59,341 INFO L414 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:59,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1605931389, now seen corresponding path program 216 times [2018-07-23 13:39:59,342 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 23436 backedges. 0 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:00,378 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:00,378 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [218] total 218 [2018-07-23 13:40:00,378 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:00,379 INFO L185 omatonBuilderFactory]: Interpolants [121943#false, 121942#true, 121945#(<= ULTIMATE.start_main_~y~4 1), 121944#(<= ULTIMATE.start_main_~y~4 0), 121947#(<= ULTIMATE.start_main_~y~4 3), 121946#(<= ULTIMATE.start_main_~y~4 2), 121949#(<= ULTIMATE.start_main_~y~4 5), 121948#(<= ULTIMATE.start_main_~y~4 4), 121951#(<= ULTIMATE.start_main_~y~4 7), 121950#(<= ULTIMATE.start_main_~y~4 6), 121953#(<= ULTIMATE.start_main_~y~4 9), 121952#(<= ULTIMATE.start_main_~y~4 8), 121955#(<= ULTIMATE.start_main_~y~4 11), 121954#(<= ULTIMATE.start_main_~y~4 10), 121957#(<= ULTIMATE.start_main_~y~4 13), 121956#(<= ULTIMATE.start_main_~y~4 12), 121959#(<= ULTIMATE.start_main_~y~4 15), 121958#(<= ULTIMATE.start_main_~y~4 14), 121961#(<= ULTIMATE.start_main_~y~4 17), 121960#(<= ULTIMATE.start_main_~y~4 16), 121963#(<= ULTIMATE.start_main_~y~4 19), 121962#(<= ULTIMATE.start_main_~y~4 18), 121965#(<= ULTIMATE.start_main_~y~4 21), 121964#(<= ULTIMATE.start_main_~y~4 20), 121967#(<= ULTIMATE.start_main_~y~4 23), 121966#(<= ULTIMATE.start_main_~y~4 22), 121969#(<= ULTIMATE.start_main_~y~4 25), 121968#(<= ULTIMATE.start_main_~y~4 24), 121971#(<= ULTIMATE.start_main_~y~4 27), 121970#(<= ULTIMATE.start_main_~y~4 26), 121973#(<= ULTIMATE.start_main_~y~4 29), 121972#(<= ULTIMATE.start_main_~y~4 28), 121975#(<= ULTIMATE.start_main_~y~4 31), 121974#(<= ULTIMATE.start_main_~y~4 30), 121977#(<= ULTIMATE.start_main_~y~4 33), 121976#(<= ULTIMATE.start_main_~y~4 32), 121979#(<= ULTIMATE.start_main_~y~4 35), 121978#(<= ULTIMATE.start_main_~y~4 34), 121981#(<= ULTIMATE.start_main_~y~4 37), 121980#(<= ULTIMATE.start_main_~y~4 36), 121983#(<= ULTIMATE.start_main_~y~4 39), 121982#(<= ULTIMATE.start_main_~y~4 38), 121985#(<= ULTIMATE.start_main_~y~4 41), 121984#(<= ULTIMATE.start_main_~y~4 40), 121987#(<= ULTIMATE.start_main_~y~4 43), 121986#(<= ULTIMATE.start_main_~y~4 42), 121989#(<= ULTIMATE.start_main_~y~4 45), 121988#(<= ULTIMATE.start_main_~y~4 44), 121991#(<= ULTIMATE.start_main_~y~4 47), 121990#(<= ULTIMATE.start_main_~y~4 46), 121993#(<= ULTIMATE.start_main_~y~4 49), 121992#(<= ULTIMATE.start_main_~y~4 48), 121995#(<= ULTIMATE.start_main_~y~4 51), 121994#(<= ULTIMATE.start_main_~y~4 50), 121997#(<= ULTIMATE.start_main_~y~4 53), 121996#(<= ULTIMATE.start_main_~y~4 52), 121999#(<= ULTIMATE.start_main_~y~4 55), 121998#(<= ULTIMATE.start_main_~y~4 54), 122001#(<= ULTIMATE.start_main_~y~4 57), 122000#(<= ULTIMATE.start_main_~y~4 56), 122003#(<= ULTIMATE.start_main_~y~4 59), 122002#(<= ULTIMATE.start_main_~y~4 58), 122005#(<= ULTIMATE.start_main_~y~4 61), 122004#(<= ULTIMATE.start_main_~y~4 60), 122007#(<= ULTIMATE.start_main_~y~4 63), 122006#(<= ULTIMATE.start_main_~y~4 62), 122009#(<= ULTIMATE.start_main_~y~4 65), 122008#(<= ULTIMATE.start_main_~y~4 64), 122011#(<= ULTIMATE.start_main_~y~4 67), 122010#(<= ULTIMATE.start_main_~y~4 66), 122013#(<= ULTIMATE.start_main_~y~4 69), 122012#(<= ULTIMATE.start_main_~y~4 68), 122015#(<= ULTIMATE.start_main_~y~4 71), 122014#(<= ULTIMATE.start_main_~y~4 70), 122017#(<= ULTIMATE.start_main_~y~4 73), 122016#(<= ULTIMATE.start_main_~y~4 72), 122019#(<= ULTIMATE.start_main_~y~4 75), 122018#(<= ULTIMATE.start_main_~y~4 74), 122021#(<= ULTIMATE.start_main_~y~4 77), 122020#(<= ULTIMATE.start_main_~y~4 76), 122023#(<= ULTIMATE.start_main_~y~4 79), 122022#(<= ULTIMATE.start_main_~y~4 78), 122025#(<= ULTIMATE.start_main_~y~4 81), 122024#(<= ULTIMATE.start_main_~y~4 80), 122027#(<= ULTIMATE.start_main_~y~4 83), 122026#(<= ULTIMATE.start_main_~y~4 82), 122029#(<= ULTIMATE.start_main_~y~4 85), 122028#(<= ULTIMATE.start_main_~y~4 84), 122031#(<= ULTIMATE.start_main_~y~4 87), 122030#(<= ULTIMATE.start_main_~y~4 86), 122033#(<= ULTIMATE.start_main_~y~4 89), 122032#(<= ULTIMATE.start_main_~y~4 88), 122035#(<= ULTIMATE.start_main_~y~4 91), 122034#(<= ULTIMATE.start_main_~y~4 90), 122037#(<= ULTIMATE.start_main_~y~4 93), 122036#(<= ULTIMATE.start_main_~y~4 92), 122039#(<= ULTIMATE.start_main_~y~4 95), 122038#(<= ULTIMATE.start_main_~y~4 94), 122041#(<= ULTIMATE.start_main_~y~4 97), 122040#(<= ULTIMATE.start_main_~y~4 96), 122043#(<= ULTIMATE.start_main_~y~4 99), 122042#(<= ULTIMATE.start_main_~y~4 98), 122045#(<= ULTIMATE.start_main_~y~4 101), 122044#(<= ULTIMATE.start_main_~y~4 100), 122047#(<= ULTIMATE.start_main_~y~4 103), 122046#(<= ULTIMATE.start_main_~y~4 102), 122049#(<= ULTIMATE.start_main_~y~4 105), 122048#(<= ULTIMATE.start_main_~y~4 104), 122051#(<= ULTIMATE.start_main_~y~4 107), 122050#(<= ULTIMATE.start_main_~y~4 106), 122053#(<= ULTIMATE.start_main_~y~4 109), 122052#(<= ULTIMATE.start_main_~y~4 108), 122055#(<= ULTIMATE.start_main_~y~4 111), 122054#(<= ULTIMATE.start_main_~y~4 110), 122057#(<= ULTIMATE.start_main_~y~4 113), 122056#(<= ULTIMATE.start_main_~y~4 112), 122059#(<= ULTIMATE.start_main_~y~4 115), 122058#(<= ULTIMATE.start_main_~y~4 114), 122061#(<= ULTIMATE.start_main_~y~4 117), 122060#(<= ULTIMATE.start_main_~y~4 116), 122063#(<= ULTIMATE.start_main_~y~4 119), 122062#(<= ULTIMATE.start_main_~y~4 118), 122065#(<= ULTIMATE.start_main_~y~4 121), 122064#(<= ULTIMATE.start_main_~y~4 120), 122067#(<= ULTIMATE.start_main_~y~4 123), 122066#(<= ULTIMATE.start_main_~y~4 122), 122069#(<= ULTIMATE.start_main_~y~4 125), 122068#(<= ULTIMATE.start_main_~y~4 124), 122071#(<= ULTIMATE.start_main_~y~4 127), 122070#(<= ULTIMATE.start_main_~y~4 126), 122073#(<= ULTIMATE.start_main_~y~4 129), 122072#(<= ULTIMATE.start_main_~y~4 128), 122075#(<= ULTIMATE.start_main_~y~4 131), 122074#(<= ULTIMATE.start_main_~y~4 130), 122077#(<= ULTIMATE.start_main_~y~4 133), 122076#(<= ULTIMATE.start_main_~y~4 132), 122079#(<= ULTIMATE.start_main_~y~4 135), 122078#(<= ULTIMATE.start_main_~y~4 134), 122081#(<= ULTIMATE.start_main_~y~4 137), 122080#(<= ULTIMATE.start_main_~y~4 136), 122083#(<= ULTIMATE.start_main_~y~4 139), 122082#(<= ULTIMATE.start_main_~y~4 138), 122085#(<= ULTIMATE.start_main_~y~4 141), 122084#(<= ULTIMATE.start_main_~y~4 140), 122087#(<= ULTIMATE.start_main_~y~4 143), 122086#(<= ULTIMATE.start_main_~y~4 142), 122089#(<= ULTIMATE.start_main_~y~4 145), 122088#(<= ULTIMATE.start_main_~y~4 144), 122091#(<= ULTIMATE.start_main_~y~4 147), 122090#(<= ULTIMATE.start_main_~y~4 146), 122093#(<= ULTIMATE.start_main_~y~4 149), 122092#(<= ULTIMATE.start_main_~y~4 148), 122095#(<= ULTIMATE.start_main_~y~4 151), 122094#(<= ULTIMATE.start_main_~y~4 150), 122097#(<= ULTIMATE.start_main_~y~4 153), 122096#(<= ULTIMATE.start_main_~y~4 152), 122099#(<= ULTIMATE.start_main_~y~4 155), 122098#(<= ULTIMATE.start_main_~y~4 154), 122101#(<= ULTIMATE.start_main_~y~4 157), 122100#(<= ULTIMATE.start_main_~y~4 156), 122103#(<= ULTIMATE.start_main_~y~4 159), 122102#(<= ULTIMATE.start_main_~y~4 158), 122105#(<= ULTIMATE.start_main_~y~4 161), 122104#(<= ULTIMATE.start_main_~y~4 160), 122107#(<= ULTIMATE.start_main_~y~4 163), 122106#(<= ULTIMATE.start_main_~y~4 162), 122109#(<= ULTIMATE.start_main_~y~4 165), 122108#(<= ULTIMATE.start_main_~y~4 164), 122111#(<= ULTIMATE.start_main_~y~4 167), 122110#(<= ULTIMATE.start_main_~y~4 166), 122113#(<= ULTIMATE.start_main_~y~4 169), 122112#(<= ULTIMATE.start_main_~y~4 168), 122115#(<= ULTIMATE.start_main_~y~4 171), 122114#(<= ULTIMATE.start_main_~y~4 170), 122117#(<= ULTIMATE.start_main_~y~4 173), 122116#(<= ULTIMATE.start_main_~y~4 172), 122119#(<= ULTIMATE.start_main_~y~4 175), 122118#(<= ULTIMATE.start_main_~y~4 174), 122121#(<= ULTIMATE.start_main_~y~4 177), 122120#(<= ULTIMATE.start_main_~y~4 176), 122123#(<= ULTIMATE.start_main_~y~4 179), 122122#(<= ULTIMATE.start_main_~y~4 178), 122125#(<= ULTIMATE.start_main_~y~4 181), 122124#(<= ULTIMATE.start_main_~y~4 180), 122127#(<= ULTIMATE.start_main_~y~4 183), 122126#(<= ULTIMATE.start_main_~y~4 182), 122129#(<= ULTIMATE.start_main_~y~4 185), 122128#(<= ULTIMATE.start_main_~y~4 184), 122131#(<= ULTIMATE.start_main_~y~4 187), 122130#(<= ULTIMATE.start_main_~y~4 186), 122133#(<= ULTIMATE.start_main_~y~4 189), 122132#(<= ULTIMATE.start_main_~y~4 188), 122135#(<= ULTIMATE.start_main_~y~4 191), 122134#(<= ULTIMATE.start_main_~y~4 190), 122137#(<= ULTIMATE.start_main_~y~4 193), 122136#(<= ULTIMATE.start_main_~y~4 192), 122139#(<= ULTIMATE.start_main_~y~4 195), 122138#(<= ULTIMATE.start_main_~y~4 194), 122141#(<= ULTIMATE.start_main_~y~4 197), 122140#(<= ULTIMATE.start_main_~y~4 196), 122143#(<= ULTIMATE.start_main_~y~4 199), 122142#(<= ULTIMATE.start_main_~y~4 198), 122145#(<= ULTIMATE.start_main_~y~4 201), 122144#(<= ULTIMATE.start_main_~y~4 200), 122147#(<= ULTIMATE.start_main_~y~4 203), 122146#(<= ULTIMATE.start_main_~y~4 202), 122149#(<= ULTIMATE.start_main_~y~4 205), 122148#(<= ULTIMATE.start_main_~y~4 204), 122151#(<= ULTIMATE.start_main_~y~4 207), 122150#(<= ULTIMATE.start_main_~y~4 206), 122153#(<= ULTIMATE.start_main_~y~4 209), 122152#(<= ULTIMATE.start_main_~y~4 208), 122155#(<= ULTIMATE.start_main_~y~4 211), 122154#(<= ULTIMATE.start_main_~y~4 210), 122157#(<= ULTIMATE.start_main_~y~4 213), 122156#(<= ULTIMATE.start_main_~y~4 212), 122159#(<= ULTIMATE.start_main_~y~4 215), 122158#(<= ULTIMATE.start_main_~y~4 214), 122160#(<= ULTIMATE.start_main_~y~4 216)] [2018-07-23 13:40:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 23436 backedges. 0 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:00,380 INFO L450 AbstractCegarLoop]: Interpolant automaton has 219 states [2018-07-23 13:40:00,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 219 interpolants. [2018-07-23 13:40:00,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:40:00,385 INFO L87 Difference]: Start difference. First operand 220 states and 220 transitions. Second operand 219 states. [2018-07-23 13:40:01,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:01,395 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:40:01,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2018-07-23 13:40:01,395 INFO L78 Accepts]: Start accepts. Automaton has 219 states. Word has length 219 [2018-07-23 13:40:01,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:01,396 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:40:01,396 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:40:01,399 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:40:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:40:01,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:40:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:40:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:40:01,402 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 219 [2018-07-23 13:40:01,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:01,403 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:40:01,403 INFO L472 AbstractCegarLoop]: Interpolant automaton has 219 states. [2018-07-23 13:40:01,403 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:40:01,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:40:01,404 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:01,404 INFO L357 BasicCegarLoop]: trace histogram [217, 1, 1, 1] [2018-07-23 13:40:01,404 INFO L414 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:01,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1755736300, now seen corresponding path program 217 times [2018-07-23 13:40:01,404 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:02,671 INFO L134 CoverageAnalysis]: Checked inductivity of 23653 backedges. 0 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:02,671 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:02,671 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [219] total 219 [2018-07-23 13:40:02,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:02,672 INFO L185 omatonBuilderFactory]: Interpolants [123049#true, 123051#(<= ULTIMATE.start_main_~y~4 0), 123050#false, 123053#(<= ULTIMATE.start_main_~y~4 2), 123052#(<= ULTIMATE.start_main_~y~4 1), 123055#(<= ULTIMATE.start_main_~y~4 4), 123054#(<= ULTIMATE.start_main_~y~4 3), 123057#(<= ULTIMATE.start_main_~y~4 6), 123056#(<= ULTIMATE.start_main_~y~4 5), 123059#(<= ULTIMATE.start_main_~y~4 8), 123058#(<= ULTIMATE.start_main_~y~4 7), 123061#(<= ULTIMATE.start_main_~y~4 10), 123060#(<= ULTIMATE.start_main_~y~4 9), 123063#(<= ULTIMATE.start_main_~y~4 12), 123062#(<= ULTIMATE.start_main_~y~4 11), 123065#(<= ULTIMATE.start_main_~y~4 14), 123064#(<= ULTIMATE.start_main_~y~4 13), 123067#(<= ULTIMATE.start_main_~y~4 16), 123066#(<= ULTIMATE.start_main_~y~4 15), 123069#(<= ULTIMATE.start_main_~y~4 18), 123068#(<= ULTIMATE.start_main_~y~4 17), 123071#(<= ULTIMATE.start_main_~y~4 20), 123070#(<= ULTIMATE.start_main_~y~4 19), 123073#(<= ULTIMATE.start_main_~y~4 22), 123072#(<= ULTIMATE.start_main_~y~4 21), 123075#(<= ULTIMATE.start_main_~y~4 24), 123074#(<= ULTIMATE.start_main_~y~4 23), 123077#(<= ULTIMATE.start_main_~y~4 26), 123076#(<= ULTIMATE.start_main_~y~4 25), 123079#(<= ULTIMATE.start_main_~y~4 28), 123078#(<= ULTIMATE.start_main_~y~4 27), 123081#(<= ULTIMATE.start_main_~y~4 30), 123080#(<= ULTIMATE.start_main_~y~4 29), 123083#(<= ULTIMATE.start_main_~y~4 32), 123082#(<= ULTIMATE.start_main_~y~4 31), 123085#(<= ULTIMATE.start_main_~y~4 34), 123084#(<= ULTIMATE.start_main_~y~4 33), 123087#(<= ULTIMATE.start_main_~y~4 36), 123086#(<= ULTIMATE.start_main_~y~4 35), 123089#(<= ULTIMATE.start_main_~y~4 38), 123088#(<= ULTIMATE.start_main_~y~4 37), 123091#(<= ULTIMATE.start_main_~y~4 40), 123090#(<= ULTIMATE.start_main_~y~4 39), 123093#(<= ULTIMATE.start_main_~y~4 42), 123092#(<= ULTIMATE.start_main_~y~4 41), 123095#(<= ULTIMATE.start_main_~y~4 44), 123094#(<= ULTIMATE.start_main_~y~4 43), 123097#(<= ULTIMATE.start_main_~y~4 46), 123096#(<= ULTIMATE.start_main_~y~4 45), 123099#(<= ULTIMATE.start_main_~y~4 48), 123098#(<= ULTIMATE.start_main_~y~4 47), 123101#(<= ULTIMATE.start_main_~y~4 50), 123100#(<= ULTIMATE.start_main_~y~4 49), 123103#(<= ULTIMATE.start_main_~y~4 52), 123102#(<= ULTIMATE.start_main_~y~4 51), 123105#(<= ULTIMATE.start_main_~y~4 54), 123104#(<= ULTIMATE.start_main_~y~4 53), 123107#(<= ULTIMATE.start_main_~y~4 56), 123106#(<= ULTIMATE.start_main_~y~4 55), 123109#(<= ULTIMATE.start_main_~y~4 58), 123108#(<= ULTIMATE.start_main_~y~4 57), 123111#(<= ULTIMATE.start_main_~y~4 60), 123110#(<= ULTIMATE.start_main_~y~4 59), 123113#(<= ULTIMATE.start_main_~y~4 62), 123112#(<= ULTIMATE.start_main_~y~4 61), 123115#(<= ULTIMATE.start_main_~y~4 64), 123114#(<= ULTIMATE.start_main_~y~4 63), 123117#(<= ULTIMATE.start_main_~y~4 66), 123116#(<= ULTIMATE.start_main_~y~4 65), 123119#(<= ULTIMATE.start_main_~y~4 68), 123118#(<= ULTIMATE.start_main_~y~4 67), 123121#(<= ULTIMATE.start_main_~y~4 70), 123120#(<= ULTIMATE.start_main_~y~4 69), 123123#(<= ULTIMATE.start_main_~y~4 72), 123122#(<= ULTIMATE.start_main_~y~4 71), 123125#(<= ULTIMATE.start_main_~y~4 74), 123124#(<= ULTIMATE.start_main_~y~4 73), 123127#(<= ULTIMATE.start_main_~y~4 76), 123126#(<= ULTIMATE.start_main_~y~4 75), 123129#(<= ULTIMATE.start_main_~y~4 78), 123128#(<= ULTIMATE.start_main_~y~4 77), 123131#(<= ULTIMATE.start_main_~y~4 80), 123130#(<= ULTIMATE.start_main_~y~4 79), 123133#(<= ULTIMATE.start_main_~y~4 82), 123132#(<= ULTIMATE.start_main_~y~4 81), 123135#(<= ULTIMATE.start_main_~y~4 84), 123134#(<= ULTIMATE.start_main_~y~4 83), 123137#(<= ULTIMATE.start_main_~y~4 86), 123136#(<= ULTIMATE.start_main_~y~4 85), 123139#(<= ULTIMATE.start_main_~y~4 88), 123138#(<= ULTIMATE.start_main_~y~4 87), 123141#(<= ULTIMATE.start_main_~y~4 90), 123140#(<= ULTIMATE.start_main_~y~4 89), 123143#(<= ULTIMATE.start_main_~y~4 92), 123142#(<= ULTIMATE.start_main_~y~4 91), 123145#(<= ULTIMATE.start_main_~y~4 94), 123144#(<= ULTIMATE.start_main_~y~4 93), 123147#(<= ULTIMATE.start_main_~y~4 96), 123146#(<= ULTIMATE.start_main_~y~4 95), 123149#(<= ULTIMATE.start_main_~y~4 98), 123148#(<= ULTIMATE.start_main_~y~4 97), 123151#(<= ULTIMATE.start_main_~y~4 100), 123150#(<= ULTIMATE.start_main_~y~4 99), 123153#(<= ULTIMATE.start_main_~y~4 102), 123152#(<= ULTIMATE.start_main_~y~4 101), 123155#(<= ULTIMATE.start_main_~y~4 104), 123154#(<= ULTIMATE.start_main_~y~4 103), 123157#(<= ULTIMATE.start_main_~y~4 106), 123156#(<= ULTIMATE.start_main_~y~4 105), 123159#(<= ULTIMATE.start_main_~y~4 108), 123158#(<= ULTIMATE.start_main_~y~4 107), 123161#(<= ULTIMATE.start_main_~y~4 110), 123160#(<= ULTIMATE.start_main_~y~4 109), 123163#(<= ULTIMATE.start_main_~y~4 112), 123162#(<= ULTIMATE.start_main_~y~4 111), 123165#(<= ULTIMATE.start_main_~y~4 114), 123164#(<= ULTIMATE.start_main_~y~4 113), 123167#(<= ULTIMATE.start_main_~y~4 116), 123166#(<= ULTIMATE.start_main_~y~4 115), 123169#(<= ULTIMATE.start_main_~y~4 118), 123168#(<= ULTIMATE.start_main_~y~4 117), 123171#(<= ULTIMATE.start_main_~y~4 120), 123170#(<= ULTIMATE.start_main_~y~4 119), 123173#(<= ULTIMATE.start_main_~y~4 122), 123172#(<= ULTIMATE.start_main_~y~4 121), 123175#(<= ULTIMATE.start_main_~y~4 124), 123174#(<= ULTIMATE.start_main_~y~4 123), 123177#(<= ULTIMATE.start_main_~y~4 126), 123176#(<= ULTIMATE.start_main_~y~4 125), 123179#(<= ULTIMATE.start_main_~y~4 128), 123178#(<= ULTIMATE.start_main_~y~4 127), 123181#(<= ULTIMATE.start_main_~y~4 130), 123180#(<= ULTIMATE.start_main_~y~4 129), 123183#(<= ULTIMATE.start_main_~y~4 132), 123182#(<= ULTIMATE.start_main_~y~4 131), 123185#(<= ULTIMATE.start_main_~y~4 134), 123184#(<= ULTIMATE.start_main_~y~4 133), 123187#(<= ULTIMATE.start_main_~y~4 136), 123186#(<= ULTIMATE.start_main_~y~4 135), 123189#(<= ULTIMATE.start_main_~y~4 138), 123188#(<= ULTIMATE.start_main_~y~4 137), 123191#(<= ULTIMATE.start_main_~y~4 140), 123190#(<= ULTIMATE.start_main_~y~4 139), 123193#(<= ULTIMATE.start_main_~y~4 142), 123192#(<= ULTIMATE.start_main_~y~4 141), 123195#(<= ULTIMATE.start_main_~y~4 144), 123194#(<= ULTIMATE.start_main_~y~4 143), 123197#(<= ULTIMATE.start_main_~y~4 146), 123196#(<= ULTIMATE.start_main_~y~4 145), 123199#(<= ULTIMATE.start_main_~y~4 148), 123198#(<= ULTIMATE.start_main_~y~4 147), 123201#(<= ULTIMATE.start_main_~y~4 150), 123200#(<= ULTIMATE.start_main_~y~4 149), 123203#(<= ULTIMATE.start_main_~y~4 152), 123202#(<= ULTIMATE.start_main_~y~4 151), 123205#(<= ULTIMATE.start_main_~y~4 154), 123204#(<= ULTIMATE.start_main_~y~4 153), 123207#(<= ULTIMATE.start_main_~y~4 156), 123206#(<= ULTIMATE.start_main_~y~4 155), 123209#(<= ULTIMATE.start_main_~y~4 158), 123208#(<= ULTIMATE.start_main_~y~4 157), 123211#(<= ULTIMATE.start_main_~y~4 160), 123210#(<= ULTIMATE.start_main_~y~4 159), 123213#(<= ULTIMATE.start_main_~y~4 162), 123212#(<= ULTIMATE.start_main_~y~4 161), 123215#(<= ULTIMATE.start_main_~y~4 164), 123214#(<= ULTIMATE.start_main_~y~4 163), 123217#(<= ULTIMATE.start_main_~y~4 166), 123216#(<= ULTIMATE.start_main_~y~4 165), 123219#(<= ULTIMATE.start_main_~y~4 168), 123218#(<= ULTIMATE.start_main_~y~4 167), 123221#(<= ULTIMATE.start_main_~y~4 170), 123220#(<= ULTIMATE.start_main_~y~4 169), 123223#(<= ULTIMATE.start_main_~y~4 172), 123222#(<= ULTIMATE.start_main_~y~4 171), 123225#(<= ULTIMATE.start_main_~y~4 174), 123224#(<= ULTIMATE.start_main_~y~4 173), 123227#(<= ULTIMATE.start_main_~y~4 176), 123226#(<= ULTIMATE.start_main_~y~4 175), 123229#(<= ULTIMATE.start_main_~y~4 178), 123228#(<= ULTIMATE.start_main_~y~4 177), 123231#(<= ULTIMATE.start_main_~y~4 180), 123230#(<= ULTIMATE.start_main_~y~4 179), 123233#(<= ULTIMATE.start_main_~y~4 182), 123232#(<= ULTIMATE.start_main_~y~4 181), 123235#(<= ULTIMATE.start_main_~y~4 184), 123234#(<= ULTIMATE.start_main_~y~4 183), 123237#(<= ULTIMATE.start_main_~y~4 186), 123236#(<= ULTIMATE.start_main_~y~4 185), 123239#(<= ULTIMATE.start_main_~y~4 188), 123238#(<= ULTIMATE.start_main_~y~4 187), 123241#(<= ULTIMATE.start_main_~y~4 190), 123240#(<= ULTIMATE.start_main_~y~4 189), 123243#(<= ULTIMATE.start_main_~y~4 192), 123242#(<= ULTIMATE.start_main_~y~4 191), 123245#(<= ULTIMATE.start_main_~y~4 194), 123244#(<= ULTIMATE.start_main_~y~4 193), 123247#(<= ULTIMATE.start_main_~y~4 196), 123246#(<= ULTIMATE.start_main_~y~4 195), 123249#(<= ULTIMATE.start_main_~y~4 198), 123248#(<= ULTIMATE.start_main_~y~4 197), 123251#(<= ULTIMATE.start_main_~y~4 200), 123250#(<= ULTIMATE.start_main_~y~4 199), 123253#(<= ULTIMATE.start_main_~y~4 202), 123252#(<= ULTIMATE.start_main_~y~4 201), 123255#(<= ULTIMATE.start_main_~y~4 204), 123254#(<= ULTIMATE.start_main_~y~4 203), 123257#(<= ULTIMATE.start_main_~y~4 206), 123256#(<= ULTIMATE.start_main_~y~4 205), 123259#(<= ULTIMATE.start_main_~y~4 208), 123258#(<= ULTIMATE.start_main_~y~4 207), 123261#(<= ULTIMATE.start_main_~y~4 210), 123260#(<= ULTIMATE.start_main_~y~4 209), 123263#(<= ULTIMATE.start_main_~y~4 212), 123262#(<= ULTIMATE.start_main_~y~4 211), 123265#(<= ULTIMATE.start_main_~y~4 214), 123264#(<= ULTIMATE.start_main_~y~4 213), 123267#(<= ULTIMATE.start_main_~y~4 216), 123266#(<= ULTIMATE.start_main_~y~4 215), 123268#(<= ULTIMATE.start_main_~y~4 217)] [2018-07-23 13:40:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 23653 backedges. 0 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:02,673 INFO L450 AbstractCegarLoop]: Interpolant automaton has 220 states [2018-07-23 13:40:02,677 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2018-07-23 13:40:02,679 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:40:02,679 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 220 states. [2018-07-23 13:40:03,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:03,510 INFO L93 Difference]: Finished difference Result 224 states and 224 transitions. [2018-07-23 13:40:03,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2018-07-23 13:40:03,510 INFO L78 Accepts]: Start accepts. Automaton has 220 states. Word has length 220 [2018-07-23 13:40:03,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:03,510 INFO L225 Difference]: With dead ends: 224 [2018-07-23 13:40:03,510 INFO L226 Difference]: Without dead ends: 222 [2018-07-23 13:40:03,512 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:40:03,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-07-23 13:40:03,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2018-07-23 13:40:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-07-23 13:40:03,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 222 transitions. [2018-07-23 13:40:03,515 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 222 transitions. Word has length 220 [2018-07-23 13:40:03,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:03,515 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 222 transitions. [2018-07-23 13:40:03,515 INFO L472 AbstractCegarLoop]: Interpolant automaton has 220 states. [2018-07-23 13:40:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 222 transitions. [2018-07-23 13:40:03,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-07-23 13:40:03,515 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:03,515 INFO L357 BasicCegarLoop]: trace histogram [218, 1, 1, 1] [2018-07-23 13:40:03,516 INFO L414 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:03,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1406747741, now seen corresponding path program 218 times [2018-07-23 13:40:03,516 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 23871 backedges. 0 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:04,553 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:04,553 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [220] total 220 [2018-07-23 13:40:04,553 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:04,553 INFO L185 omatonBuilderFactory]: Interpolants [124161#true, 124163#(<= ULTIMATE.start_main_~y~4 0), 124162#false, 124165#(<= ULTIMATE.start_main_~y~4 2), 124164#(<= ULTIMATE.start_main_~y~4 1), 124167#(<= ULTIMATE.start_main_~y~4 4), 124166#(<= ULTIMATE.start_main_~y~4 3), 124169#(<= ULTIMATE.start_main_~y~4 6), 124168#(<= ULTIMATE.start_main_~y~4 5), 124171#(<= ULTIMATE.start_main_~y~4 8), 124170#(<= ULTIMATE.start_main_~y~4 7), 124173#(<= ULTIMATE.start_main_~y~4 10), 124172#(<= ULTIMATE.start_main_~y~4 9), 124175#(<= ULTIMATE.start_main_~y~4 12), 124174#(<= ULTIMATE.start_main_~y~4 11), 124177#(<= ULTIMATE.start_main_~y~4 14), 124176#(<= ULTIMATE.start_main_~y~4 13), 124179#(<= ULTIMATE.start_main_~y~4 16), 124178#(<= ULTIMATE.start_main_~y~4 15), 124181#(<= ULTIMATE.start_main_~y~4 18), 124180#(<= ULTIMATE.start_main_~y~4 17), 124183#(<= ULTIMATE.start_main_~y~4 20), 124182#(<= ULTIMATE.start_main_~y~4 19), 124185#(<= ULTIMATE.start_main_~y~4 22), 124184#(<= ULTIMATE.start_main_~y~4 21), 124187#(<= ULTIMATE.start_main_~y~4 24), 124186#(<= ULTIMATE.start_main_~y~4 23), 124189#(<= ULTIMATE.start_main_~y~4 26), 124188#(<= ULTIMATE.start_main_~y~4 25), 124191#(<= ULTIMATE.start_main_~y~4 28), 124190#(<= ULTIMATE.start_main_~y~4 27), 124193#(<= ULTIMATE.start_main_~y~4 30), 124192#(<= ULTIMATE.start_main_~y~4 29), 124195#(<= ULTIMATE.start_main_~y~4 32), 124194#(<= ULTIMATE.start_main_~y~4 31), 124197#(<= ULTIMATE.start_main_~y~4 34), 124196#(<= ULTIMATE.start_main_~y~4 33), 124199#(<= ULTIMATE.start_main_~y~4 36), 124198#(<= ULTIMATE.start_main_~y~4 35), 124201#(<= ULTIMATE.start_main_~y~4 38), 124200#(<= ULTIMATE.start_main_~y~4 37), 124203#(<= ULTIMATE.start_main_~y~4 40), 124202#(<= ULTIMATE.start_main_~y~4 39), 124205#(<= ULTIMATE.start_main_~y~4 42), 124204#(<= ULTIMATE.start_main_~y~4 41), 124207#(<= ULTIMATE.start_main_~y~4 44), 124206#(<= ULTIMATE.start_main_~y~4 43), 124209#(<= ULTIMATE.start_main_~y~4 46), 124208#(<= ULTIMATE.start_main_~y~4 45), 124211#(<= ULTIMATE.start_main_~y~4 48), 124210#(<= ULTIMATE.start_main_~y~4 47), 124213#(<= ULTIMATE.start_main_~y~4 50), 124212#(<= ULTIMATE.start_main_~y~4 49), 124215#(<= ULTIMATE.start_main_~y~4 52), 124214#(<= ULTIMATE.start_main_~y~4 51), 124217#(<= ULTIMATE.start_main_~y~4 54), 124216#(<= ULTIMATE.start_main_~y~4 53), 124219#(<= ULTIMATE.start_main_~y~4 56), 124218#(<= ULTIMATE.start_main_~y~4 55), 124221#(<= ULTIMATE.start_main_~y~4 58), 124220#(<= ULTIMATE.start_main_~y~4 57), 124223#(<= ULTIMATE.start_main_~y~4 60), 124222#(<= ULTIMATE.start_main_~y~4 59), 124225#(<= ULTIMATE.start_main_~y~4 62), 124224#(<= ULTIMATE.start_main_~y~4 61), 124227#(<= ULTIMATE.start_main_~y~4 64), 124226#(<= ULTIMATE.start_main_~y~4 63), 124229#(<= ULTIMATE.start_main_~y~4 66), 124228#(<= ULTIMATE.start_main_~y~4 65), 124231#(<= ULTIMATE.start_main_~y~4 68), 124230#(<= ULTIMATE.start_main_~y~4 67), 124233#(<= ULTIMATE.start_main_~y~4 70), 124232#(<= ULTIMATE.start_main_~y~4 69), 124235#(<= ULTIMATE.start_main_~y~4 72), 124234#(<= ULTIMATE.start_main_~y~4 71), 124237#(<= ULTIMATE.start_main_~y~4 74), 124236#(<= ULTIMATE.start_main_~y~4 73), 124239#(<= ULTIMATE.start_main_~y~4 76), 124238#(<= ULTIMATE.start_main_~y~4 75), 124241#(<= ULTIMATE.start_main_~y~4 78), 124240#(<= ULTIMATE.start_main_~y~4 77), 124243#(<= ULTIMATE.start_main_~y~4 80), 124242#(<= ULTIMATE.start_main_~y~4 79), 124245#(<= ULTIMATE.start_main_~y~4 82), 124244#(<= ULTIMATE.start_main_~y~4 81), 124247#(<= ULTIMATE.start_main_~y~4 84), 124246#(<= ULTIMATE.start_main_~y~4 83), 124249#(<= ULTIMATE.start_main_~y~4 86), 124248#(<= ULTIMATE.start_main_~y~4 85), 124251#(<= ULTIMATE.start_main_~y~4 88), 124250#(<= ULTIMATE.start_main_~y~4 87), 124253#(<= ULTIMATE.start_main_~y~4 90), 124252#(<= ULTIMATE.start_main_~y~4 89), 124255#(<= ULTIMATE.start_main_~y~4 92), 124254#(<= ULTIMATE.start_main_~y~4 91), 124257#(<= ULTIMATE.start_main_~y~4 94), 124256#(<= ULTIMATE.start_main_~y~4 93), 124259#(<= ULTIMATE.start_main_~y~4 96), 124258#(<= ULTIMATE.start_main_~y~4 95), 124261#(<= ULTIMATE.start_main_~y~4 98), 124260#(<= ULTIMATE.start_main_~y~4 97), 124263#(<= ULTIMATE.start_main_~y~4 100), 124262#(<= ULTIMATE.start_main_~y~4 99), 124265#(<= ULTIMATE.start_main_~y~4 102), 124264#(<= ULTIMATE.start_main_~y~4 101), 124267#(<= ULTIMATE.start_main_~y~4 104), 124266#(<= ULTIMATE.start_main_~y~4 103), 124269#(<= ULTIMATE.start_main_~y~4 106), 124268#(<= ULTIMATE.start_main_~y~4 105), 124271#(<= ULTIMATE.start_main_~y~4 108), 124270#(<= ULTIMATE.start_main_~y~4 107), 124273#(<= ULTIMATE.start_main_~y~4 110), 124272#(<= ULTIMATE.start_main_~y~4 109), 124275#(<= ULTIMATE.start_main_~y~4 112), 124274#(<= ULTIMATE.start_main_~y~4 111), 124277#(<= ULTIMATE.start_main_~y~4 114), 124276#(<= ULTIMATE.start_main_~y~4 113), 124279#(<= ULTIMATE.start_main_~y~4 116), 124278#(<= ULTIMATE.start_main_~y~4 115), 124281#(<= ULTIMATE.start_main_~y~4 118), 124280#(<= ULTIMATE.start_main_~y~4 117), 124283#(<= ULTIMATE.start_main_~y~4 120), 124282#(<= ULTIMATE.start_main_~y~4 119), 124285#(<= ULTIMATE.start_main_~y~4 122), 124284#(<= ULTIMATE.start_main_~y~4 121), 124287#(<= ULTIMATE.start_main_~y~4 124), 124286#(<= ULTIMATE.start_main_~y~4 123), 124289#(<= ULTIMATE.start_main_~y~4 126), 124288#(<= ULTIMATE.start_main_~y~4 125), 124291#(<= ULTIMATE.start_main_~y~4 128), 124290#(<= ULTIMATE.start_main_~y~4 127), 124293#(<= ULTIMATE.start_main_~y~4 130), 124292#(<= ULTIMATE.start_main_~y~4 129), 124295#(<= ULTIMATE.start_main_~y~4 132), 124294#(<= ULTIMATE.start_main_~y~4 131), 124297#(<= ULTIMATE.start_main_~y~4 134), 124296#(<= ULTIMATE.start_main_~y~4 133), 124299#(<= ULTIMATE.start_main_~y~4 136), 124298#(<= ULTIMATE.start_main_~y~4 135), 124301#(<= ULTIMATE.start_main_~y~4 138), 124300#(<= ULTIMATE.start_main_~y~4 137), 124303#(<= ULTIMATE.start_main_~y~4 140), 124302#(<= ULTIMATE.start_main_~y~4 139), 124305#(<= ULTIMATE.start_main_~y~4 142), 124304#(<= ULTIMATE.start_main_~y~4 141), 124307#(<= ULTIMATE.start_main_~y~4 144), 124306#(<= ULTIMATE.start_main_~y~4 143), 124309#(<= ULTIMATE.start_main_~y~4 146), 124308#(<= ULTIMATE.start_main_~y~4 145), 124311#(<= ULTIMATE.start_main_~y~4 148), 124310#(<= ULTIMATE.start_main_~y~4 147), 124313#(<= ULTIMATE.start_main_~y~4 150), 124312#(<= ULTIMATE.start_main_~y~4 149), 124315#(<= ULTIMATE.start_main_~y~4 152), 124314#(<= ULTIMATE.start_main_~y~4 151), 124317#(<= ULTIMATE.start_main_~y~4 154), 124316#(<= ULTIMATE.start_main_~y~4 153), 124319#(<= ULTIMATE.start_main_~y~4 156), 124318#(<= ULTIMATE.start_main_~y~4 155), 124321#(<= ULTIMATE.start_main_~y~4 158), 124320#(<= ULTIMATE.start_main_~y~4 157), 124323#(<= ULTIMATE.start_main_~y~4 160), 124322#(<= ULTIMATE.start_main_~y~4 159), 124325#(<= ULTIMATE.start_main_~y~4 162), 124324#(<= ULTIMATE.start_main_~y~4 161), 124327#(<= ULTIMATE.start_main_~y~4 164), 124326#(<= ULTIMATE.start_main_~y~4 163), 124329#(<= ULTIMATE.start_main_~y~4 166), 124328#(<= ULTIMATE.start_main_~y~4 165), 124331#(<= ULTIMATE.start_main_~y~4 168), 124330#(<= ULTIMATE.start_main_~y~4 167), 124333#(<= ULTIMATE.start_main_~y~4 170), 124332#(<= ULTIMATE.start_main_~y~4 169), 124335#(<= ULTIMATE.start_main_~y~4 172), 124334#(<= ULTIMATE.start_main_~y~4 171), 124337#(<= ULTIMATE.start_main_~y~4 174), 124336#(<= ULTIMATE.start_main_~y~4 173), 124339#(<= ULTIMATE.start_main_~y~4 176), 124338#(<= ULTIMATE.start_main_~y~4 175), 124341#(<= ULTIMATE.start_main_~y~4 178), 124340#(<= ULTIMATE.start_main_~y~4 177), 124343#(<= ULTIMATE.start_main_~y~4 180), 124342#(<= ULTIMATE.start_main_~y~4 179), 124345#(<= ULTIMATE.start_main_~y~4 182), 124344#(<= ULTIMATE.start_main_~y~4 181), 124347#(<= ULTIMATE.start_main_~y~4 184), 124346#(<= ULTIMATE.start_main_~y~4 183), 124349#(<= ULTIMATE.start_main_~y~4 186), 124348#(<= ULTIMATE.start_main_~y~4 185), 124351#(<= ULTIMATE.start_main_~y~4 188), 124350#(<= ULTIMATE.start_main_~y~4 187), 124353#(<= ULTIMATE.start_main_~y~4 190), 124352#(<= ULTIMATE.start_main_~y~4 189), 124355#(<= ULTIMATE.start_main_~y~4 192), 124354#(<= ULTIMATE.start_main_~y~4 191), 124357#(<= ULTIMATE.start_main_~y~4 194), 124356#(<= ULTIMATE.start_main_~y~4 193), 124359#(<= ULTIMATE.start_main_~y~4 196), 124358#(<= ULTIMATE.start_main_~y~4 195), 124361#(<= ULTIMATE.start_main_~y~4 198), 124360#(<= ULTIMATE.start_main_~y~4 197), 124363#(<= ULTIMATE.start_main_~y~4 200), 124362#(<= ULTIMATE.start_main_~y~4 199), 124365#(<= ULTIMATE.start_main_~y~4 202), 124364#(<= ULTIMATE.start_main_~y~4 201), 124367#(<= ULTIMATE.start_main_~y~4 204), 124366#(<= ULTIMATE.start_main_~y~4 203), 124369#(<= ULTIMATE.start_main_~y~4 206), 124368#(<= ULTIMATE.start_main_~y~4 205), 124371#(<= ULTIMATE.start_main_~y~4 208), 124370#(<= ULTIMATE.start_main_~y~4 207), 124373#(<= ULTIMATE.start_main_~y~4 210), 124372#(<= ULTIMATE.start_main_~y~4 209), 124375#(<= ULTIMATE.start_main_~y~4 212), 124374#(<= ULTIMATE.start_main_~y~4 211), 124377#(<= ULTIMATE.start_main_~y~4 214), 124376#(<= ULTIMATE.start_main_~y~4 213), 124379#(<= ULTIMATE.start_main_~y~4 216), 124378#(<= ULTIMATE.start_main_~y~4 215), 124381#(<= ULTIMATE.start_main_~y~4 218), 124380#(<= ULTIMATE.start_main_~y~4 217)] [2018-07-23 13:40:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 23871 backedges. 0 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:04,555 INFO L450 AbstractCegarLoop]: Interpolant automaton has 221 states [2018-07-23 13:40:04,558 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2018-07-23 13:40:04,560 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:40:04,560 INFO L87 Difference]: Start difference. First operand 222 states and 222 transitions. Second operand 221 states. [2018-07-23 13:40:06,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:06,028 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:40:06,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2018-07-23 13:40:06,028 INFO L78 Accepts]: Start accepts. Automaton has 221 states. Word has length 221 [2018-07-23 13:40:06,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:06,028 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:40:06,028 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:40:06,031 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:40:06,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:40:06,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:40:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:40:06,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:40:06,033 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 221 [2018-07-23 13:40:06,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:06,033 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:40:06,033 INFO L472 AbstractCegarLoop]: Interpolant automaton has 221 states. [2018-07-23 13:40:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:40:06,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:40:06,034 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:06,034 INFO L357 BasicCegarLoop]: trace histogram [219, 1, 1, 1] [2018-07-23 13:40:06,034 INFO L414 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:06,034 INFO L82 PathProgramCache]: Analyzing trace with hash -659505204, now seen corresponding path program 219 times [2018-07-23 13:40:06,034 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 24090 backedges. 0 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:07,238 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:07,238 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [221] total 221 [2018-07-23 13:40:07,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:07,239 INFO L185 omatonBuilderFactory]: Interpolants [125441#(<= ULTIMATE.start_main_~y~4 161), 125440#(<= ULTIMATE.start_main_~y~4 160), 125443#(<= ULTIMATE.start_main_~y~4 163), 125442#(<= ULTIMATE.start_main_~y~4 162), 125445#(<= ULTIMATE.start_main_~y~4 165), 125444#(<= ULTIMATE.start_main_~y~4 164), 125447#(<= ULTIMATE.start_main_~y~4 167), 125446#(<= ULTIMATE.start_main_~y~4 166), 125449#(<= ULTIMATE.start_main_~y~4 169), 125448#(<= ULTIMATE.start_main_~y~4 168), 125451#(<= ULTIMATE.start_main_~y~4 171), 125450#(<= ULTIMATE.start_main_~y~4 170), 125453#(<= ULTIMATE.start_main_~y~4 173), 125452#(<= ULTIMATE.start_main_~y~4 172), 125455#(<= ULTIMATE.start_main_~y~4 175), 125454#(<= ULTIMATE.start_main_~y~4 174), 125457#(<= ULTIMATE.start_main_~y~4 177), 125456#(<= ULTIMATE.start_main_~y~4 176), 125459#(<= ULTIMATE.start_main_~y~4 179), 125458#(<= ULTIMATE.start_main_~y~4 178), 125461#(<= ULTIMATE.start_main_~y~4 181), 125460#(<= ULTIMATE.start_main_~y~4 180), 125463#(<= ULTIMATE.start_main_~y~4 183), 125462#(<= ULTIMATE.start_main_~y~4 182), 125465#(<= ULTIMATE.start_main_~y~4 185), 125464#(<= ULTIMATE.start_main_~y~4 184), 125467#(<= ULTIMATE.start_main_~y~4 187), 125466#(<= ULTIMATE.start_main_~y~4 186), 125469#(<= ULTIMATE.start_main_~y~4 189), 125468#(<= ULTIMATE.start_main_~y~4 188), 125471#(<= ULTIMATE.start_main_~y~4 191), 125470#(<= ULTIMATE.start_main_~y~4 190), 125473#(<= ULTIMATE.start_main_~y~4 193), 125472#(<= ULTIMATE.start_main_~y~4 192), 125475#(<= ULTIMATE.start_main_~y~4 195), 125474#(<= ULTIMATE.start_main_~y~4 194), 125477#(<= ULTIMATE.start_main_~y~4 197), 125476#(<= ULTIMATE.start_main_~y~4 196), 125479#(<= ULTIMATE.start_main_~y~4 199), 125478#(<= ULTIMATE.start_main_~y~4 198), 125481#(<= ULTIMATE.start_main_~y~4 201), 125480#(<= ULTIMATE.start_main_~y~4 200), 125483#(<= ULTIMATE.start_main_~y~4 203), 125482#(<= ULTIMATE.start_main_~y~4 202), 125485#(<= ULTIMATE.start_main_~y~4 205), 125484#(<= ULTIMATE.start_main_~y~4 204), 125487#(<= ULTIMATE.start_main_~y~4 207), 125486#(<= ULTIMATE.start_main_~y~4 206), 125489#(<= ULTIMATE.start_main_~y~4 209), 125488#(<= ULTIMATE.start_main_~y~4 208), 125491#(<= ULTIMATE.start_main_~y~4 211), 125490#(<= ULTIMATE.start_main_~y~4 210), 125493#(<= ULTIMATE.start_main_~y~4 213), 125492#(<= ULTIMATE.start_main_~y~4 212), 125495#(<= ULTIMATE.start_main_~y~4 215), 125494#(<= ULTIMATE.start_main_~y~4 214), 125497#(<= ULTIMATE.start_main_~y~4 217), 125496#(<= ULTIMATE.start_main_~y~4 216), 125499#(<= ULTIMATE.start_main_~y~4 219), 125498#(<= ULTIMATE.start_main_~y~4 218), 125279#false, 125278#true, 125281#(<= ULTIMATE.start_main_~y~4 1), 125280#(<= ULTIMATE.start_main_~y~4 0), 125283#(<= ULTIMATE.start_main_~y~4 3), 125282#(<= ULTIMATE.start_main_~y~4 2), 125285#(<= ULTIMATE.start_main_~y~4 5), 125284#(<= ULTIMATE.start_main_~y~4 4), 125287#(<= ULTIMATE.start_main_~y~4 7), 125286#(<= ULTIMATE.start_main_~y~4 6), 125289#(<= ULTIMATE.start_main_~y~4 9), 125288#(<= ULTIMATE.start_main_~y~4 8), 125291#(<= ULTIMATE.start_main_~y~4 11), 125290#(<= ULTIMATE.start_main_~y~4 10), 125293#(<= ULTIMATE.start_main_~y~4 13), 125292#(<= ULTIMATE.start_main_~y~4 12), 125295#(<= ULTIMATE.start_main_~y~4 15), 125294#(<= ULTIMATE.start_main_~y~4 14), 125297#(<= ULTIMATE.start_main_~y~4 17), 125296#(<= ULTIMATE.start_main_~y~4 16), 125299#(<= ULTIMATE.start_main_~y~4 19), 125298#(<= ULTIMATE.start_main_~y~4 18), 125301#(<= ULTIMATE.start_main_~y~4 21), 125300#(<= ULTIMATE.start_main_~y~4 20), 125303#(<= ULTIMATE.start_main_~y~4 23), 125302#(<= ULTIMATE.start_main_~y~4 22), 125305#(<= ULTIMATE.start_main_~y~4 25), 125304#(<= ULTIMATE.start_main_~y~4 24), 125307#(<= ULTIMATE.start_main_~y~4 27), 125306#(<= ULTIMATE.start_main_~y~4 26), 125309#(<= ULTIMATE.start_main_~y~4 29), 125308#(<= ULTIMATE.start_main_~y~4 28), 125311#(<= ULTIMATE.start_main_~y~4 31), 125310#(<= ULTIMATE.start_main_~y~4 30), 125313#(<= ULTIMATE.start_main_~y~4 33), 125312#(<= ULTIMATE.start_main_~y~4 32), 125315#(<= ULTIMATE.start_main_~y~4 35), 125314#(<= ULTIMATE.start_main_~y~4 34), 125317#(<= ULTIMATE.start_main_~y~4 37), 125316#(<= ULTIMATE.start_main_~y~4 36), 125319#(<= ULTIMATE.start_main_~y~4 39), 125318#(<= ULTIMATE.start_main_~y~4 38), 125321#(<= ULTIMATE.start_main_~y~4 41), 125320#(<= ULTIMATE.start_main_~y~4 40), 125323#(<= ULTIMATE.start_main_~y~4 43), 125322#(<= ULTIMATE.start_main_~y~4 42), 125325#(<= ULTIMATE.start_main_~y~4 45), 125324#(<= ULTIMATE.start_main_~y~4 44), 125327#(<= ULTIMATE.start_main_~y~4 47), 125326#(<= ULTIMATE.start_main_~y~4 46), 125329#(<= ULTIMATE.start_main_~y~4 49), 125328#(<= ULTIMATE.start_main_~y~4 48), 125331#(<= ULTIMATE.start_main_~y~4 51), 125330#(<= ULTIMATE.start_main_~y~4 50), 125333#(<= ULTIMATE.start_main_~y~4 53), 125332#(<= ULTIMATE.start_main_~y~4 52), 125335#(<= ULTIMATE.start_main_~y~4 55), 125334#(<= ULTIMATE.start_main_~y~4 54), 125337#(<= ULTIMATE.start_main_~y~4 57), 125336#(<= ULTIMATE.start_main_~y~4 56), 125339#(<= ULTIMATE.start_main_~y~4 59), 125338#(<= ULTIMATE.start_main_~y~4 58), 125341#(<= ULTIMATE.start_main_~y~4 61), 125340#(<= ULTIMATE.start_main_~y~4 60), 125343#(<= ULTIMATE.start_main_~y~4 63), 125342#(<= ULTIMATE.start_main_~y~4 62), 125345#(<= ULTIMATE.start_main_~y~4 65), 125344#(<= ULTIMATE.start_main_~y~4 64), 125347#(<= ULTIMATE.start_main_~y~4 67), 125346#(<= ULTIMATE.start_main_~y~4 66), 125349#(<= ULTIMATE.start_main_~y~4 69), 125348#(<= ULTIMATE.start_main_~y~4 68), 125351#(<= ULTIMATE.start_main_~y~4 71), 125350#(<= ULTIMATE.start_main_~y~4 70), 125353#(<= ULTIMATE.start_main_~y~4 73), 125352#(<= ULTIMATE.start_main_~y~4 72), 125355#(<= ULTIMATE.start_main_~y~4 75), 125354#(<= ULTIMATE.start_main_~y~4 74), 125357#(<= ULTIMATE.start_main_~y~4 77), 125356#(<= ULTIMATE.start_main_~y~4 76), 125359#(<= ULTIMATE.start_main_~y~4 79), 125358#(<= ULTIMATE.start_main_~y~4 78), 125361#(<= ULTIMATE.start_main_~y~4 81), 125360#(<= ULTIMATE.start_main_~y~4 80), 125363#(<= ULTIMATE.start_main_~y~4 83), 125362#(<= ULTIMATE.start_main_~y~4 82), 125365#(<= ULTIMATE.start_main_~y~4 85), 125364#(<= ULTIMATE.start_main_~y~4 84), 125367#(<= ULTIMATE.start_main_~y~4 87), 125366#(<= ULTIMATE.start_main_~y~4 86), 125369#(<= ULTIMATE.start_main_~y~4 89), 125368#(<= ULTIMATE.start_main_~y~4 88), 125371#(<= ULTIMATE.start_main_~y~4 91), 125370#(<= ULTIMATE.start_main_~y~4 90), 125373#(<= ULTIMATE.start_main_~y~4 93), 125372#(<= ULTIMATE.start_main_~y~4 92), 125375#(<= ULTIMATE.start_main_~y~4 95), 125374#(<= ULTIMATE.start_main_~y~4 94), 125377#(<= ULTIMATE.start_main_~y~4 97), 125376#(<= ULTIMATE.start_main_~y~4 96), 125379#(<= ULTIMATE.start_main_~y~4 99), 125378#(<= ULTIMATE.start_main_~y~4 98), 125381#(<= ULTIMATE.start_main_~y~4 101), 125380#(<= ULTIMATE.start_main_~y~4 100), 125383#(<= ULTIMATE.start_main_~y~4 103), 125382#(<= ULTIMATE.start_main_~y~4 102), 125385#(<= ULTIMATE.start_main_~y~4 105), 125384#(<= ULTIMATE.start_main_~y~4 104), 125387#(<= ULTIMATE.start_main_~y~4 107), 125386#(<= ULTIMATE.start_main_~y~4 106), 125389#(<= ULTIMATE.start_main_~y~4 109), 125388#(<= ULTIMATE.start_main_~y~4 108), 125391#(<= ULTIMATE.start_main_~y~4 111), 125390#(<= ULTIMATE.start_main_~y~4 110), 125393#(<= ULTIMATE.start_main_~y~4 113), 125392#(<= ULTIMATE.start_main_~y~4 112), 125395#(<= ULTIMATE.start_main_~y~4 115), 125394#(<= ULTIMATE.start_main_~y~4 114), 125397#(<= ULTIMATE.start_main_~y~4 117), 125396#(<= ULTIMATE.start_main_~y~4 116), 125399#(<= ULTIMATE.start_main_~y~4 119), 125398#(<= ULTIMATE.start_main_~y~4 118), 125401#(<= ULTIMATE.start_main_~y~4 121), 125400#(<= ULTIMATE.start_main_~y~4 120), 125403#(<= ULTIMATE.start_main_~y~4 123), 125402#(<= ULTIMATE.start_main_~y~4 122), 125405#(<= ULTIMATE.start_main_~y~4 125), 125404#(<= ULTIMATE.start_main_~y~4 124), 125407#(<= ULTIMATE.start_main_~y~4 127), 125406#(<= ULTIMATE.start_main_~y~4 126), 125409#(<= ULTIMATE.start_main_~y~4 129), 125408#(<= ULTIMATE.start_main_~y~4 128), 125411#(<= ULTIMATE.start_main_~y~4 131), 125410#(<= ULTIMATE.start_main_~y~4 130), 125413#(<= ULTIMATE.start_main_~y~4 133), 125412#(<= ULTIMATE.start_main_~y~4 132), 125415#(<= ULTIMATE.start_main_~y~4 135), 125414#(<= ULTIMATE.start_main_~y~4 134), 125417#(<= ULTIMATE.start_main_~y~4 137), 125416#(<= ULTIMATE.start_main_~y~4 136), 125419#(<= ULTIMATE.start_main_~y~4 139), 125418#(<= ULTIMATE.start_main_~y~4 138), 125421#(<= ULTIMATE.start_main_~y~4 141), 125420#(<= ULTIMATE.start_main_~y~4 140), 125423#(<= ULTIMATE.start_main_~y~4 143), 125422#(<= ULTIMATE.start_main_~y~4 142), 125425#(<= ULTIMATE.start_main_~y~4 145), 125424#(<= ULTIMATE.start_main_~y~4 144), 125427#(<= ULTIMATE.start_main_~y~4 147), 125426#(<= ULTIMATE.start_main_~y~4 146), 125429#(<= ULTIMATE.start_main_~y~4 149), 125428#(<= ULTIMATE.start_main_~y~4 148), 125431#(<= ULTIMATE.start_main_~y~4 151), 125430#(<= ULTIMATE.start_main_~y~4 150), 125433#(<= ULTIMATE.start_main_~y~4 153), 125432#(<= ULTIMATE.start_main_~y~4 152), 125435#(<= ULTIMATE.start_main_~y~4 155), 125434#(<= ULTIMATE.start_main_~y~4 154), 125437#(<= ULTIMATE.start_main_~y~4 157), 125436#(<= ULTIMATE.start_main_~y~4 156), 125439#(<= ULTIMATE.start_main_~y~4 159), 125438#(<= ULTIMATE.start_main_~y~4 158)] [2018-07-23 13:40:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 24090 backedges. 0 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:07,240 INFO L450 AbstractCegarLoop]: Interpolant automaton has 222 states [2018-07-23 13:40:07,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2018-07-23 13:40:07,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:40:07,244 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 222 states. [2018-07-23 13:40:07,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:07,887 INFO L93 Difference]: Finished difference Result 226 states and 226 transitions. [2018-07-23 13:40:07,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2018-07-23 13:40:07,887 INFO L78 Accepts]: Start accepts. Automaton has 222 states. Word has length 222 [2018-07-23 13:40:07,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:07,888 INFO L225 Difference]: With dead ends: 226 [2018-07-23 13:40:07,888 INFO L226 Difference]: Without dead ends: 224 [2018-07-23 13:40:07,889 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:40:07,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-07-23 13:40:07,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2018-07-23 13:40:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-07-23 13:40:07,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 224 transitions. [2018-07-23 13:40:07,893 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 224 transitions. Word has length 222 [2018-07-23 13:40:07,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:07,893 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 224 transitions. [2018-07-23 13:40:07,893 INFO L472 AbstractCegarLoop]: Interpolant automaton has 222 states. [2018-07-23 13:40:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 224 transitions. [2018-07-23 13:40:07,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-07-23 13:40:07,894 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:07,894 INFO L357 BasicCegarLoop]: trace histogram [220, 1, 1, 1] [2018-07-23 13:40:07,894 INFO L414 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:07,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1030176963, now seen corresponding path program 220 times [2018-07-23 13:40:07,895 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 24310 backedges. 0 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:09,168 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:09,168 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [222] total 222 [2018-07-23 13:40:09,168 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:09,169 INFO L185 omatonBuilderFactory]: Interpolants [126465#(<= ULTIMATE.start_main_~y~4 63), 126464#(<= ULTIMATE.start_main_~y~4 62), 126467#(<= ULTIMATE.start_main_~y~4 65), 126466#(<= ULTIMATE.start_main_~y~4 64), 126469#(<= ULTIMATE.start_main_~y~4 67), 126468#(<= ULTIMATE.start_main_~y~4 66), 126471#(<= ULTIMATE.start_main_~y~4 69), 126470#(<= ULTIMATE.start_main_~y~4 68), 126473#(<= ULTIMATE.start_main_~y~4 71), 126472#(<= ULTIMATE.start_main_~y~4 70), 126475#(<= ULTIMATE.start_main_~y~4 73), 126474#(<= ULTIMATE.start_main_~y~4 72), 126477#(<= ULTIMATE.start_main_~y~4 75), 126476#(<= ULTIMATE.start_main_~y~4 74), 126479#(<= ULTIMATE.start_main_~y~4 77), 126478#(<= ULTIMATE.start_main_~y~4 76), 126481#(<= ULTIMATE.start_main_~y~4 79), 126480#(<= ULTIMATE.start_main_~y~4 78), 126483#(<= ULTIMATE.start_main_~y~4 81), 126482#(<= ULTIMATE.start_main_~y~4 80), 126485#(<= ULTIMATE.start_main_~y~4 83), 126484#(<= ULTIMATE.start_main_~y~4 82), 126487#(<= ULTIMATE.start_main_~y~4 85), 126486#(<= ULTIMATE.start_main_~y~4 84), 126489#(<= ULTIMATE.start_main_~y~4 87), 126488#(<= ULTIMATE.start_main_~y~4 86), 126491#(<= ULTIMATE.start_main_~y~4 89), 126490#(<= ULTIMATE.start_main_~y~4 88), 126493#(<= ULTIMATE.start_main_~y~4 91), 126492#(<= ULTIMATE.start_main_~y~4 90), 126495#(<= ULTIMATE.start_main_~y~4 93), 126494#(<= ULTIMATE.start_main_~y~4 92), 126497#(<= ULTIMATE.start_main_~y~4 95), 126496#(<= ULTIMATE.start_main_~y~4 94), 126499#(<= ULTIMATE.start_main_~y~4 97), 126498#(<= ULTIMATE.start_main_~y~4 96), 126501#(<= ULTIMATE.start_main_~y~4 99), 126500#(<= ULTIMATE.start_main_~y~4 98), 126503#(<= ULTIMATE.start_main_~y~4 101), 126502#(<= ULTIMATE.start_main_~y~4 100), 126505#(<= ULTIMATE.start_main_~y~4 103), 126504#(<= ULTIMATE.start_main_~y~4 102), 126507#(<= ULTIMATE.start_main_~y~4 105), 126506#(<= ULTIMATE.start_main_~y~4 104), 126509#(<= ULTIMATE.start_main_~y~4 107), 126508#(<= ULTIMATE.start_main_~y~4 106), 126511#(<= ULTIMATE.start_main_~y~4 109), 126510#(<= ULTIMATE.start_main_~y~4 108), 126513#(<= ULTIMATE.start_main_~y~4 111), 126512#(<= ULTIMATE.start_main_~y~4 110), 126515#(<= ULTIMATE.start_main_~y~4 113), 126514#(<= ULTIMATE.start_main_~y~4 112), 126517#(<= ULTIMATE.start_main_~y~4 115), 126516#(<= ULTIMATE.start_main_~y~4 114), 126519#(<= ULTIMATE.start_main_~y~4 117), 126518#(<= ULTIMATE.start_main_~y~4 116), 126521#(<= ULTIMATE.start_main_~y~4 119), 126520#(<= ULTIMATE.start_main_~y~4 118), 126523#(<= ULTIMATE.start_main_~y~4 121), 126522#(<= ULTIMATE.start_main_~y~4 120), 126525#(<= ULTIMATE.start_main_~y~4 123), 126524#(<= ULTIMATE.start_main_~y~4 122), 126527#(<= ULTIMATE.start_main_~y~4 125), 126526#(<= ULTIMATE.start_main_~y~4 124), 126529#(<= ULTIMATE.start_main_~y~4 127), 126528#(<= ULTIMATE.start_main_~y~4 126), 126531#(<= ULTIMATE.start_main_~y~4 129), 126530#(<= ULTIMATE.start_main_~y~4 128), 126533#(<= ULTIMATE.start_main_~y~4 131), 126532#(<= ULTIMATE.start_main_~y~4 130), 126535#(<= ULTIMATE.start_main_~y~4 133), 126534#(<= ULTIMATE.start_main_~y~4 132), 126537#(<= ULTIMATE.start_main_~y~4 135), 126536#(<= ULTIMATE.start_main_~y~4 134), 126539#(<= ULTIMATE.start_main_~y~4 137), 126538#(<= ULTIMATE.start_main_~y~4 136), 126541#(<= ULTIMATE.start_main_~y~4 139), 126540#(<= ULTIMATE.start_main_~y~4 138), 126543#(<= ULTIMATE.start_main_~y~4 141), 126542#(<= ULTIMATE.start_main_~y~4 140), 126545#(<= ULTIMATE.start_main_~y~4 143), 126544#(<= ULTIMATE.start_main_~y~4 142), 126547#(<= ULTIMATE.start_main_~y~4 145), 126546#(<= ULTIMATE.start_main_~y~4 144), 126549#(<= ULTIMATE.start_main_~y~4 147), 126548#(<= ULTIMATE.start_main_~y~4 146), 126551#(<= ULTIMATE.start_main_~y~4 149), 126550#(<= ULTIMATE.start_main_~y~4 148), 126553#(<= ULTIMATE.start_main_~y~4 151), 126552#(<= ULTIMATE.start_main_~y~4 150), 126555#(<= ULTIMATE.start_main_~y~4 153), 126554#(<= ULTIMATE.start_main_~y~4 152), 126557#(<= ULTIMATE.start_main_~y~4 155), 126556#(<= ULTIMATE.start_main_~y~4 154), 126559#(<= ULTIMATE.start_main_~y~4 157), 126558#(<= ULTIMATE.start_main_~y~4 156), 126561#(<= ULTIMATE.start_main_~y~4 159), 126560#(<= ULTIMATE.start_main_~y~4 158), 126563#(<= ULTIMATE.start_main_~y~4 161), 126562#(<= ULTIMATE.start_main_~y~4 160), 126565#(<= ULTIMATE.start_main_~y~4 163), 126564#(<= ULTIMATE.start_main_~y~4 162), 126567#(<= ULTIMATE.start_main_~y~4 165), 126566#(<= ULTIMATE.start_main_~y~4 164), 126569#(<= ULTIMATE.start_main_~y~4 167), 126568#(<= ULTIMATE.start_main_~y~4 166), 126571#(<= ULTIMATE.start_main_~y~4 169), 126570#(<= ULTIMATE.start_main_~y~4 168), 126573#(<= ULTIMATE.start_main_~y~4 171), 126572#(<= ULTIMATE.start_main_~y~4 170), 126575#(<= ULTIMATE.start_main_~y~4 173), 126574#(<= ULTIMATE.start_main_~y~4 172), 126577#(<= ULTIMATE.start_main_~y~4 175), 126576#(<= ULTIMATE.start_main_~y~4 174), 126579#(<= ULTIMATE.start_main_~y~4 177), 126578#(<= ULTIMATE.start_main_~y~4 176), 126581#(<= ULTIMATE.start_main_~y~4 179), 126580#(<= ULTIMATE.start_main_~y~4 178), 126583#(<= ULTIMATE.start_main_~y~4 181), 126582#(<= ULTIMATE.start_main_~y~4 180), 126585#(<= ULTIMATE.start_main_~y~4 183), 126584#(<= ULTIMATE.start_main_~y~4 182), 126587#(<= ULTIMATE.start_main_~y~4 185), 126586#(<= ULTIMATE.start_main_~y~4 184), 126589#(<= ULTIMATE.start_main_~y~4 187), 126588#(<= ULTIMATE.start_main_~y~4 186), 126591#(<= ULTIMATE.start_main_~y~4 189), 126590#(<= ULTIMATE.start_main_~y~4 188), 126593#(<= ULTIMATE.start_main_~y~4 191), 126592#(<= ULTIMATE.start_main_~y~4 190), 126595#(<= ULTIMATE.start_main_~y~4 193), 126594#(<= ULTIMATE.start_main_~y~4 192), 126597#(<= ULTIMATE.start_main_~y~4 195), 126596#(<= ULTIMATE.start_main_~y~4 194), 126599#(<= ULTIMATE.start_main_~y~4 197), 126598#(<= ULTIMATE.start_main_~y~4 196), 126601#(<= ULTIMATE.start_main_~y~4 199), 126600#(<= ULTIMATE.start_main_~y~4 198), 126603#(<= ULTIMATE.start_main_~y~4 201), 126602#(<= ULTIMATE.start_main_~y~4 200), 126605#(<= ULTIMATE.start_main_~y~4 203), 126604#(<= ULTIMATE.start_main_~y~4 202), 126607#(<= ULTIMATE.start_main_~y~4 205), 126606#(<= ULTIMATE.start_main_~y~4 204), 126609#(<= ULTIMATE.start_main_~y~4 207), 126608#(<= ULTIMATE.start_main_~y~4 206), 126611#(<= ULTIMATE.start_main_~y~4 209), 126610#(<= ULTIMATE.start_main_~y~4 208), 126613#(<= ULTIMATE.start_main_~y~4 211), 126612#(<= ULTIMATE.start_main_~y~4 210), 126615#(<= ULTIMATE.start_main_~y~4 213), 126614#(<= ULTIMATE.start_main_~y~4 212), 126617#(<= ULTIMATE.start_main_~y~4 215), 126616#(<= ULTIMATE.start_main_~y~4 214), 126619#(<= ULTIMATE.start_main_~y~4 217), 126618#(<= ULTIMATE.start_main_~y~4 216), 126621#(<= ULTIMATE.start_main_~y~4 219), 126620#(<= ULTIMATE.start_main_~y~4 218), 126622#(<= ULTIMATE.start_main_~y~4 220), 126401#false, 126400#true, 126403#(<= ULTIMATE.start_main_~y~4 1), 126402#(<= ULTIMATE.start_main_~y~4 0), 126405#(<= ULTIMATE.start_main_~y~4 3), 126404#(<= ULTIMATE.start_main_~y~4 2), 126407#(<= ULTIMATE.start_main_~y~4 5), 126406#(<= ULTIMATE.start_main_~y~4 4), 126409#(<= ULTIMATE.start_main_~y~4 7), 126408#(<= ULTIMATE.start_main_~y~4 6), 126411#(<= ULTIMATE.start_main_~y~4 9), 126410#(<= ULTIMATE.start_main_~y~4 8), 126413#(<= ULTIMATE.start_main_~y~4 11), 126412#(<= ULTIMATE.start_main_~y~4 10), 126415#(<= ULTIMATE.start_main_~y~4 13), 126414#(<= ULTIMATE.start_main_~y~4 12), 126417#(<= ULTIMATE.start_main_~y~4 15), 126416#(<= ULTIMATE.start_main_~y~4 14), 126419#(<= ULTIMATE.start_main_~y~4 17), 126418#(<= ULTIMATE.start_main_~y~4 16), 126421#(<= ULTIMATE.start_main_~y~4 19), 126420#(<= ULTIMATE.start_main_~y~4 18), 126423#(<= ULTIMATE.start_main_~y~4 21), 126422#(<= ULTIMATE.start_main_~y~4 20), 126425#(<= ULTIMATE.start_main_~y~4 23), 126424#(<= ULTIMATE.start_main_~y~4 22), 126427#(<= ULTIMATE.start_main_~y~4 25), 126426#(<= ULTIMATE.start_main_~y~4 24), 126429#(<= ULTIMATE.start_main_~y~4 27), 126428#(<= ULTIMATE.start_main_~y~4 26), 126431#(<= ULTIMATE.start_main_~y~4 29), 126430#(<= ULTIMATE.start_main_~y~4 28), 126433#(<= ULTIMATE.start_main_~y~4 31), 126432#(<= ULTIMATE.start_main_~y~4 30), 126435#(<= ULTIMATE.start_main_~y~4 33), 126434#(<= ULTIMATE.start_main_~y~4 32), 126437#(<= ULTIMATE.start_main_~y~4 35), 126436#(<= ULTIMATE.start_main_~y~4 34), 126439#(<= ULTIMATE.start_main_~y~4 37), 126438#(<= ULTIMATE.start_main_~y~4 36), 126441#(<= ULTIMATE.start_main_~y~4 39), 126440#(<= ULTIMATE.start_main_~y~4 38), 126443#(<= ULTIMATE.start_main_~y~4 41), 126442#(<= ULTIMATE.start_main_~y~4 40), 126445#(<= ULTIMATE.start_main_~y~4 43), 126444#(<= ULTIMATE.start_main_~y~4 42), 126447#(<= ULTIMATE.start_main_~y~4 45), 126446#(<= ULTIMATE.start_main_~y~4 44), 126449#(<= ULTIMATE.start_main_~y~4 47), 126448#(<= ULTIMATE.start_main_~y~4 46), 126451#(<= ULTIMATE.start_main_~y~4 49), 126450#(<= ULTIMATE.start_main_~y~4 48), 126453#(<= ULTIMATE.start_main_~y~4 51), 126452#(<= ULTIMATE.start_main_~y~4 50), 126455#(<= ULTIMATE.start_main_~y~4 53), 126454#(<= ULTIMATE.start_main_~y~4 52), 126457#(<= ULTIMATE.start_main_~y~4 55), 126456#(<= ULTIMATE.start_main_~y~4 54), 126459#(<= ULTIMATE.start_main_~y~4 57), 126458#(<= ULTIMATE.start_main_~y~4 56), 126461#(<= ULTIMATE.start_main_~y~4 59), 126460#(<= ULTIMATE.start_main_~y~4 58), 126463#(<= ULTIMATE.start_main_~y~4 61), 126462#(<= ULTIMATE.start_main_~y~4 60)] [2018-07-23 13:40:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 24310 backedges. 0 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:09,170 INFO L450 AbstractCegarLoop]: Interpolant automaton has 223 states [2018-07-23 13:40:09,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2018-07-23 13:40:09,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:40:09,176 INFO L87 Difference]: Start difference. First operand 224 states and 224 transitions. Second operand 223 states. [2018-07-23 13:40:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:10,068 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:40:10,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2018-07-23 13:40:10,068 INFO L78 Accepts]: Start accepts. Automaton has 223 states. Word has length 223 [2018-07-23 13:40:10,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:10,069 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:40:10,069 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:40:10,071 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:40:10,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:40:10,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:40:10,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:40:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:40:10,073 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 223 [2018-07-23 13:40:10,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:10,074 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:40:10,074 INFO L472 AbstractCegarLoop]: Interpolant automaton has 223 states. [2018-07-23 13:40:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:40:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:40:10,074 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:10,074 INFO L357 BasicCegarLoop]: trace histogram [221, 1, 1, 1] [2018-07-23 13:40:10,074 INFO L414 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:10,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1870716588, now seen corresponding path program 221 times [2018-07-23 13:40:10,075 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 24531 backedges. 0 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:11,277 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:11,277 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [223] total 223 [2018-07-23 13:40:11,277 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:11,278 INFO L185 omatonBuilderFactory]: Interpolants [127527#true, 127529#(<= ULTIMATE.start_main_~y~4 0), 127528#false, 127531#(<= ULTIMATE.start_main_~y~4 2), 127530#(<= ULTIMATE.start_main_~y~4 1), 127533#(<= ULTIMATE.start_main_~y~4 4), 127532#(<= ULTIMATE.start_main_~y~4 3), 127535#(<= ULTIMATE.start_main_~y~4 6), 127534#(<= ULTIMATE.start_main_~y~4 5), 127537#(<= ULTIMATE.start_main_~y~4 8), 127536#(<= ULTIMATE.start_main_~y~4 7), 127539#(<= ULTIMATE.start_main_~y~4 10), 127538#(<= ULTIMATE.start_main_~y~4 9), 127541#(<= ULTIMATE.start_main_~y~4 12), 127540#(<= ULTIMATE.start_main_~y~4 11), 127543#(<= ULTIMATE.start_main_~y~4 14), 127542#(<= ULTIMATE.start_main_~y~4 13), 127545#(<= ULTIMATE.start_main_~y~4 16), 127544#(<= ULTIMATE.start_main_~y~4 15), 127547#(<= ULTIMATE.start_main_~y~4 18), 127546#(<= ULTIMATE.start_main_~y~4 17), 127549#(<= ULTIMATE.start_main_~y~4 20), 127548#(<= ULTIMATE.start_main_~y~4 19), 127551#(<= ULTIMATE.start_main_~y~4 22), 127550#(<= ULTIMATE.start_main_~y~4 21), 127553#(<= ULTIMATE.start_main_~y~4 24), 127552#(<= ULTIMATE.start_main_~y~4 23), 127555#(<= ULTIMATE.start_main_~y~4 26), 127554#(<= ULTIMATE.start_main_~y~4 25), 127557#(<= ULTIMATE.start_main_~y~4 28), 127556#(<= ULTIMATE.start_main_~y~4 27), 127559#(<= ULTIMATE.start_main_~y~4 30), 127558#(<= ULTIMATE.start_main_~y~4 29), 127561#(<= ULTIMATE.start_main_~y~4 32), 127560#(<= ULTIMATE.start_main_~y~4 31), 127563#(<= ULTIMATE.start_main_~y~4 34), 127562#(<= ULTIMATE.start_main_~y~4 33), 127565#(<= ULTIMATE.start_main_~y~4 36), 127564#(<= ULTIMATE.start_main_~y~4 35), 127567#(<= ULTIMATE.start_main_~y~4 38), 127566#(<= ULTIMATE.start_main_~y~4 37), 127569#(<= ULTIMATE.start_main_~y~4 40), 127568#(<= ULTIMATE.start_main_~y~4 39), 127571#(<= ULTIMATE.start_main_~y~4 42), 127570#(<= ULTIMATE.start_main_~y~4 41), 127573#(<= ULTIMATE.start_main_~y~4 44), 127572#(<= ULTIMATE.start_main_~y~4 43), 127575#(<= ULTIMATE.start_main_~y~4 46), 127574#(<= ULTIMATE.start_main_~y~4 45), 127577#(<= ULTIMATE.start_main_~y~4 48), 127576#(<= ULTIMATE.start_main_~y~4 47), 127579#(<= ULTIMATE.start_main_~y~4 50), 127578#(<= ULTIMATE.start_main_~y~4 49), 127581#(<= ULTIMATE.start_main_~y~4 52), 127580#(<= ULTIMATE.start_main_~y~4 51), 127583#(<= ULTIMATE.start_main_~y~4 54), 127582#(<= ULTIMATE.start_main_~y~4 53), 127585#(<= ULTIMATE.start_main_~y~4 56), 127584#(<= ULTIMATE.start_main_~y~4 55), 127587#(<= ULTIMATE.start_main_~y~4 58), 127586#(<= ULTIMATE.start_main_~y~4 57), 127589#(<= ULTIMATE.start_main_~y~4 60), 127588#(<= ULTIMATE.start_main_~y~4 59), 127591#(<= ULTIMATE.start_main_~y~4 62), 127590#(<= ULTIMATE.start_main_~y~4 61), 127593#(<= ULTIMATE.start_main_~y~4 64), 127592#(<= ULTIMATE.start_main_~y~4 63), 127595#(<= ULTIMATE.start_main_~y~4 66), 127594#(<= ULTIMATE.start_main_~y~4 65), 127597#(<= ULTIMATE.start_main_~y~4 68), 127596#(<= ULTIMATE.start_main_~y~4 67), 127599#(<= ULTIMATE.start_main_~y~4 70), 127598#(<= ULTIMATE.start_main_~y~4 69), 127601#(<= ULTIMATE.start_main_~y~4 72), 127600#(<= ULTIMATE.start_main_~y~4 71), 127603#(<= ULTIMATE.start_main_~y~4 74), 127602#(<= ULTIMATE.start_main_~y~4 73), 127605#(<= ULTIMATE.start_main_~y~4 76), 127604#(<= ULTIMATE.start_main_~y~4 75), 127607#(<= ULTIMATE.start_main_~y~4 78), 127606#(<= ULTIMATE.start_main_~y~4 77), 127609#(<= ULTIMATE.start_main_~y~4 80), 127608#(<= ULTIMATE.start_main_~y~4 79), 127611#(<= ULTIMATE.start_main_~y~4 82), 127610#(<= ULTIMATE.start_main_~y~4 81), 127613#(<= ULTIMATE.start_main_~y~4 84), 127612#(<= ULTIMATE.start_main_~y~4 83), 127615#(<= ULTIMATE.start_main_~y~4 86), 127614#(<= ULTIMATE.start_main_~y~4 85), 127617#(<= ULTIMATE.start_main_~y~4 88), 127616#(<= ULTIMATE.start_main_~y~4 87), 127619#(<= ULTIMATE.start_main_~y~4 90), 127618#(<= ULTIMATE.start_main_~y~4 89), 127621#(<= ULTIMATE.start_main_~y~4 92), 127620#(<= ULTIMATE.start_main_~y~4 91), 127623#(<= ULTIMATE.start_main_~y~4 94), 127622#(<= ULTIMATE.start_main_~y~4 93), 127625#(<= ULTIMATE.start_main_~y~4 96), 127624#(<= ULTIMATE.start_main_~y~4 95), 127627#(<= ULTIMATE.start_main_~y~4 98), 127626#(<= ULTIMATE.start_main_~y~4 97), 127629#(<= ULTIMATE.start_main_~y~4 100), 127628#(<= ULTIMATE.start_main_~y~4 99), 127631#(<= ULTIMATE.start_main_~y~4 102), 127630#(<= ULTIMATE.start_main_~y~4 101), 127633#(<= ULTIMATE.start_main_~y~4 104), 127632#(<= ULTIMATE.start_main_~y~4 103), 127635#(<= ULTIMATE.start_main_~y~4 106), 127634#(<= ULTIMATE.start_main_~y~4 105), 127637#(<= ULTIMATE.start_main_~y~4 108), 127636#(<= ULTIMATE.start_main_~y~4 107), 127639#(<= ULTIMATE.start_main_~y~4 110), 127638#(<= ULTIMATE.start_main_~y~4 109), 127641#(<= ULTIMATE.start_main_~y~4 112), 127640#(<= ULTIMATE.start_main_~y~4 111), 127643#(<= ULTIMATE.start_main_~y~4 114), 127642#(<= ULTIMATE.start_main_~y~4 113), 127645#(<= ULTIMATE.start_main_~y~4 116), 127644#(<= ULTIMATE.start_main_~y~4 115), 127647#(<= ULTIMATE.start_main_~y~4 118), 127646#(<= ULTIMATE.start_main_~y~4 117), 127649#(<= ULTIMATE.start_main_~y~4 120), 127648#(<= ULTIMATE.start_main_~y~4 119), 127651#(<= ULTIMATE.start_main_~y~4 122), 127650#(<= ULTIMATE.start_main_~y~4 121), 127653#(<= ULTIMATE.start_main_~y~4 124), 127652#(<= ULTIMATE.start_main_~y~4 123), 127655#(<= ULTIMATE.start_main_~y~4 126), 127654#(<= ULTIMATE.start_main_~y~4 125), 127657#(<= ULTIMATE.start_main_~y~4 128), 127656#(<= ULTIMATE.start_main_~y~4 127), 127659#(<= ULTIMATE.start_main_~y~4 130), 127658#(<= ULTIMATE.start_main_~y~4 129), 127661#(<= ULTIMATE.start_main_~y~4 132), 127660#(<= ULTIMATE.start_main_~y~4 131), 127663#(<= ULTIMATE.start_main_~y~4 134), 127662#(<= ULTIMATE.start_main_~y~4 133), 127665#(<= ULTIMATE.start_main_~y~4 136), 127664#(<= ULTIMATE.start_main_~y~4 135), 127667#(<= ULTIMATE.start_main_~y~4 138), 127666#(<= ULTIMATE.start_main_~y~4 137), 127669#(<= ULTIMATE.start_main_~y~4 140), 127668#(<= ULTIMATE.start_main_~y~4 139), 127671#(<= ULTIMATE.start_main_~y~4 142), 127670#(<= ULTIMATE.start_main_~y~4 141), 127673#(<= ULTIMATE.start_main_~y~4 144), 127672#(<= ULTIMATE.start_main_~y~4 143), 127675#(<= ULTIMATE.start_main_~y~4 146), 127674#(<= ULTIMATE.start_main_~y~4 145), 127677#(<= ULTIMATE.start_main_~y~4 148), 127676#(<= ULTIMATE.start_main_~y~4 147), 127679#(<= ULTIMATE.start_main_~y~4 150), 127678#(<= ULTIMATE.start_main_~y~4 149), 127681#(<= ULTIMATE.start_main_~y~4 152), 127680#(<= ULTIMATE.start_main_~y~4 151), 127683#(<= ULTIMATE.start_main_~y~4 154), 127682#(<= ULTIMATE.start_main_~y~4 153), 127685#(<= ULTIMATE.start_main_~y~4 156), 127684#(<= ULTIMATE.start_main_~y~4 155), 127687#(<= ULTIMATE.start_main_~y~4 158), 127686#(<= ULTIMATE.start_main_~y~4 157), 127689#(<= ULTIMATE.start_main_~y~4 160), 127688#(<= ULTIMATE.start_main_~y~4 159), 127691#(<= ULTIMATE.start_main_~y~4 162), 127690#(<= ULTIMATE.start_main_~y~4 161), 127693#(<= ULTIMATE.start_main_~y~4 164), 127692#(<= ULTIMATE.start_main_~y~4 163), 127695#(<= ULTIMATE.start_main_~y~4 166), 127694#(<= ULTIMATE.start_main_~y~4 165), 127697#(<= ULTIMATE.start_main_~y~4 168), 127696#(<= ULTIMATE.start_main_~y~4 167), 127699#(<= ULTIMATE.start_main_~y~4 170), 127698#(<= ULTIMATE.start_main_~y~4 169), 127701#(<= ULTIMATE.start_main_~y~4 172), 127700#(<= ULTIMATE.start_main_~y~4 171), 127703#(<= ULTIMATE.start_main_~y~4 174), 127702#(<= ULTIMATE.start_main_~y~4 173), 127705#(<= ULTIMATE.start_main_~y~4 176), 127704#(<= ULTIMATE.start_main_~y~4 175), 127707#(<= ULTIMATE.start_main_~y~4 178), 127706#(<= ULTIMATE.start_main_~y~4 177), 127709#(<= ULTIMATE.start_main_~y~4 180), 127708#(<= ULTIMATE.start_main_~y~4 179), 127711#(<= ULTIMATE.start_main_~y~4 182), 127710#(<= ULTIMATE.start_main_~y~4 181), 127713#(<= ULTIMATE.start_main_~y~4 184), 127712#(<= ULTIMATE.start_main_~y~4 183), 127715#(<= ULTIMATE.start_main_~y~4 186), 127714#(<= ULTIMATE.start_main_~y~4 185), 127717#(<= ULTIMATE.start_main_~y~4 188), 127716#(<= ULTIMATE.start_main_~y~4 187), 127719#(<= ULTIMATE.start_main_~y~4 190), 127718#(<= ULTIMATE.start_main_~y~4 189), 127721#(<= ULTIMATE.start_main_~y~4 192), 127720#(<= ULTIMATE.start_main_~y~4 191), 127723#(<= ULTIMATE.start_main_~y~4 194), 127722#(<= ULTIMATE.start_main_~y~4 193), 127725#(<= ULTIMATE.start_main_~y~4 196), 127724#(<= ULTIMATE.start_main_~y~4 195), 127727#(<= ULTIMATE.start_main_~y~4 198), 127726#(<= ULTIMATE.start_main_~y~4 197), 127729#(<= ULTIMATE.start_main_~y~4 200), 127728#(<= ULTIMATE.start_main_~y~4 199), 127731#(<= ULTIMATE.start_main_~y~4 202), 127730#(<= ULTIMATE.start_main_~y~4 201), 127733#(<= ULTIMATE.start_main_~y~4 204), 127732#(<= ULTIMATE.start_main_~y~4 203), 127735#(<= ULTIMATE.start_main_~y~4 206), 127734#(<= ULTIMATE.start_main_~y~4 205), 127737#(<= ULTIMATE.start_main_~y~4 208), 127736#(<= ULTIMATE.start_main_~y~4 207), 127739#(<= ULTIMATE.start_main_~y~4 210), 127738#(<= ULTIMATE.start_main_~y~4 209), 127741#(<= ULTIMATE.start_main_~y~4 212), 127740#(<= ULTIMATE.start_main_~y~4 211), 127743#(<= ULTIMATE.start_main_~y~4 214), 127742#(<= ULTIMATE.start_main_~y~4 213), 127745#(<= ULTIMATE.start_main_~y~4 216), 127744#(<= ULTIMATE.start_main_~y~4 215), 127747#(<= ULTIMATE.start_main_~y~4 218), 127746#(<= ULTIMATE.start_main_~y~4 217), 127749#(<= ULTIMATE.start_main_~y~4 220), 127748#(<= ULTIMATE.start_main_~y~4 219), 127750#(<= ULTIMATE.start_main_~y~4 221)] [2018-07-23 13:40:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 24531 backedges. 0 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:11,279 INFO L450 AbstractCegarLoop]: Interpolant automaton has 224 states [2018-07-23 13:40:11,283 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2018-07-23 13:40:11,285 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:40:11,285 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 224 states. [2018-07-23 13:40:13,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:13,250 INFO L93 Difference]: Finished difference Result 228 states and 228 transitions. [2018-07-23 13:40:13,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2018-07-23 13:40:13,250 INFO L78 Accepts]: Start accepts. Automaton has 224 states. Word has length 224 [2018-07-23 13:40:13,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:13,251 INFO L225 Difference]: With dead ends: 228 [2018-07-23 13:40:13,251 INFO L226 Difference]: Without dead ends: 226 [2018-07-23 13:40:13,253 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:40:13,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-07-23 13:40:13,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2018-07-23 13:40:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-07-23 13:40:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 226 transitions. [2018-07-23 13:40:13,256 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 226 transitions. Word has length 224 [2018-07-23 13:40:13,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:13,256 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 226 transitions. [2018-07-23 13:40:13,256 INFO L472 AbstractCegarLoop]: Interpolant automaton has 224 states. [2018-07-23 13:40:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 226 transitions. [2018-07-23 13:40:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-07-23 13:40:13,257 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:13,257 INFO L357 BasicCegarLoop]: trace histogram [222, 1, 1, 1] [2018-07-23 13:40:13,257 INFO L414 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:13,257 INFO L82 PathProgramCache]: Analyzing trace with hash -2137326109, now seen corresponding path program 222 times [2018-07-23 13:40:13,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 24753 backedges. 0 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:14,504 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:14,504 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [224] total 224 [2018-07-23 13:40:14,505 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:14,505 INFO L185 omatonBuilderFactory]: Interpolants [128659#true, 128661#(<= ULTIMATE.start_main_~y~4 0), 128660#false, 128663#(<= ULTIMATE.start_main_~y~4 2), 128662#(<= ULTIMATE.start_main_~y~4 1), 128665#(<= ULTIMATE.start_main_~y~4 4), 128664#(<= ULTIMATE.start_main_~y~4 3), 128667#(<= ULTIMATE.start_main_~y~4 6), 128666#(<= ULTIMATE.start_main_~y~4 5), 128669#(<= ULTIMATE.start_main_~y~4 8), 128668#(<= ULTIMATE.start_main_~y~4 7), 128671#(<= ULTIMATE.start_main_~y~4 10), 128670#(<= ULTIMATE.start_main_~y~4 9), 128673#(<= ULTIMATE.start_main_~y~4 12), 128672#(<= ULTIMATE.start_main_~y~4 11), 128675#(<= ULTIMATE.start_main_~y~4 14), 128674#(<= ULTIMATE.start_main_~y~4 13), 128677#(<= ULTIMATE.start_main_~y~4 16), 128676#(<= ULTIMATE.start_main_~y~4 15), 128679#(<= ULTIMATE.start_main_~y~4 18), 128678#(<= ULTIMATE.start_main_~y~4 17), 128681#(<= ULTIMATE.start_main_~y~4 20), 128680#(<= ULTIMATE.start_main_~y~4 19), 128683#(<= ULTIMATE.start_main_~y~4 22), 128682#(<= ULTIMATE.start_main_~y~4 21), 128685#(<= ULTIMATE.start_main_~y~4 24), 128684#(<= ULTIMATE.start_main_~y~4 23), 128687#(<= ULTIMATE.start_main_~y~4 26), 128686#(<= ULTIMATE.start_main_~y~4 25), 128689#(<= ULTIMATE.start_main_~y~4 28), 128688#(<= ULTIMATE.start_main_~y~4 27), 128691#(<= ULTIMATE.start_main_~y~4 30), 128690#(<= ULTIMATE.start_main_~y~4 29), 128693#(<= ULTIMATE.start_main_~y~4 32), 128692#(<= ULTIMATE.start_main_~y~4 31), 128695#(<= ULTIMATE.start_main_~y~4 34), 128694#(<= ULTIMATE.start_main_~y~4 33), 128697#(<= ULTIMATE.start_main_~y~4 36), 128696#(<= ULTIMATE.start_main_~y~4 35), 128699#(<= ULTIMATE.start_main_~y~4 38), 128698#(<= ULTIMATE.start_main_~y~4 37), 128701#(<= ULTIMATE.start_main_~y~4 40), 128700#(<= ULTIMATE.start_main_~y~4 39), 128703#(<= ULTIMATE.start_main_~y~4 42), 128702#(<= ULTIMATE.start_main_~y~4 41), 128705#(<= ULTIMATE.start_main_~y~4 44), 128704#(<= ULTIMATE.start_main_~y~4 43), 128707#(<= ULTIMATE.start_main_~y~4 46), 128706#(<= ULTIMATE.start_main_~y~4 45), 128709#(<= ULTIMATE.start_main_~y~4 48), 128708#(<= ULTIMATE.start_main_~y~4 47), 128711#(<= ULTIMATE.start_main_~y~4 50), 128710#(<= ULTIMATE.start_main_~y~4 49), 128713#(<= ULTIMATE.start_main_~y~4 52), 128712#(<= ULTIMATE.start_main_~y~4 51), 128715#(<= ULTIMATE.start_main_~y~4 54), 128714#(<= ULTIMATE.start_main_~y~4 53), 128717#(<= ULTIMATE.start_main_~y~4 56), 128716#(<= ULTIMATE.start_main_~y~4 55), 128719#(<= ULTIMATE.start_main_~y~4 58), 128718#(<= ULTIMATE.start_main_~y~4 57), 128721#(<= ULTIMATE.start_main_~y~4 60), 128720#(<= ULTIMATE.start_main_~y~4 59), 128723#(<= ULTIMATE.start_main_~y~4 62), 128722#(<= ULTIMATE.start_main_~y~4 61), 128725#(<= ULTIMATE.start_main_~y~4 64), 128724#(<= ULTIMATE.start_main_~y~4 63), 128727#(<= ULTIMATE.start_main_~y~4 66), 128726#(<= ULTIMATE.start_main_~y~4 65), 128729#(<= ULTIMATE.start_main_~y~4 68), 128728#(<= ULTIMATE.start_main_~y~4 67), 128731#(<= ULTIMATE.start_main_~y~4 70), 128730#(<= ULTIMATE.start_main_~y~4 69), 128733#(<= ULTIMATE.start_main_~y~4 72), 128732#(<= ULTIMATE.start_main_~y~4 71), 128735#(<= ULTIMATE.start_main_~y~4 74), 128734#(<= ULTIMATE.start_main_~y~4 73), 128737#(<= ULTIMATE.start_main_~y~4 76), 128736#(<= ULTIMATE.start_main_~y~4 75), 128739#(<= ULTIMATE.start_main_~y~4 78), 128738#(<= ULTIMATE.start_main_~y~4 77), 128741#(<= ULTIMATE.start_main_~y~4 80), 128740#(<= ULTIMATE.start_main_~y~4 79), 128743#(<= ULTIMATE.start_main_~y~4 82), 128742#(<= ULTIMATE.start_main_~y~4 81), 128745#(<= ULTIMATE.start_main_~y~4 84), 128744#(<= ULTIMATE.start_main_~y~4 83), 128747#(<= ULTIMATE.start_main_~y~4 86), 128746#(<= ULTIMATE.start_main_~y~4 85), 128749#(<= ULTIMATE.start_main_~y~4 88), 128748#(<= ULTIMATE.start_main_~y~4 87), 128751#(<= ULTIMATE.start_main_~y~4 90), 128750#(<= ULTIMATE.start_main_~y~4 89), 128753#(<= ULTIMATE.start_main_~y~4 92), 128752#(<= ULTIMATE.start_main_~y~4 91), 128755#(<= ULTIMATE.start_main_~y~4 94), 128754#(<= ULTIMATE.start_main_~y~4 93), 128757#(<= ULTIMATE.start_main_~y~4 96), 128756#(<= ULTIMATE.start_main_~y~4 95), 128759#(<= ULTIMATE.start_main_~y~4 98), 128758#(<= ULTIMATE.start_main_~y~4 97), 128761#(<= ULTIMATE.start_main_~y~4 100), 128760#(<= ULTIMATE.start_main_~y~4 99), 128763#(<= ULTIMATE.start_main_~y~4 102), 128762#(<= ULTIMATE.start_main_~y~4 101), 128765#(<= ULTIMATE.start_main_~y~4 104), 128764#(<= ULTIMATE.start_main_~y~4 103), 128767#(<= ULTIMATE.start_main_~y~4 106), 128766#(<= ULTIMATE.start_main_~y~4 105), 128769#(<= ULTIMATE.start_main_~y~4 108), 128768#(<= ULTIMATE.start_main_~y~4 107), 128771#(<= ULTIMATE.start_main_~y~4 110), 128770#(<= ULTIMATE.start_main_~y~4 109), 128773#(<= ULTIMATE.start_main_~y~4 112), 128772#(<= ULTIMATE.start_main_~y~4 111), 128775#(<= ULTIMATE.start_main_~y~4 114), 128774#(<= ULTIMATE.start_main_~y~4 113), 128777#(<= ULTIMATE.start_main_~y~4 116), 128776#(<= ULTIMATE.start_main_~y~4 115), 128779#(<= ULTIMATE.start_main_~y~4 118), 128778#(<= ULTIMATE.start_main_~y~4 117), 128781#(<= ULTIMATE.start_main_~y~4 120), 128780#(<= ULTIMATE.start_main_~y~4 119), 128783#(<= ULTIMATE.start_main_~y~4 122), 128782#(<= ULTIMATE.start_main_~y~4 121), 128785#(<= ULTIMATE.start_main_~y~4 124), 128784#(<= ULTIMATE.start_main_~y~4 123), 128787#(<= ULTIMATE.start_main_~y~4 126), 128786#(<= ULTIMATE.start_main_~y~4 125), 128789#(<= ULTIMATE.start_main_~y~4 128), 128788#(<= ULTIMATE.start_main_~y~4 127), 128791#(<= ULTIMATE.start_main_~y~4 130), 128790#(<= ULTIMATE.start_main_~y~4 129), 128793#(<= ULTIMATE.start_main_~y~4 132), 128792#(<= ULTIMATE.start_main_~y~4 131), 128795#(<= ULTIMATE.start_main_~y~4 134), 128794#(<= ULTIMATE.start_main_~y~4 133), 128797#(<= ULTIMATE.start_main_~y~4 136), 128796#(<= ULTIMATE.start_main_~y~4 135), 128799#(<= ULTIMATE.start_main_~y~4 138), 128798#(<= ULTIMATE.start_main_~y~4 137), 128801#(<= ULTIMATE.start_main_~y~4 140), 128800#(<= ULTIMATE.start_main_~y~4 139), 128803#(<= ULTIMATE.start_main_~y~4 142), 128802#(<= ULTIMATE.start_main_~y~4 141), 128805#(<= ULTIMATE.start_main_~y~4 144), 128804#(<= ULTIMATE.start_main_~y~4 143), 128807#(<= ULTIMATE.start_main_~y~4 146), 128806#(<= ULTIMATE.start_main_~y~4 145), 128809#(<= ULTIMATE.start_main_~y~4 148), 128808#(<= ULTIMATE.start_main_~y~4 147), 128811#(<= ULTIMATE.start_main_~y~4 150), 128810#(<= ULTIMATE.start_main_~y~4 149), 128813#(<= ULTIMATE.start_main_~y~4 152), 128812#(<= ULTIMATE.start_main_~y~4 151), 128815#(<= ULTIMATE.start_main_~y~4 154), 128814#(<= ULTIMATE.start_main_~y~4 153), 128817#(<= ULTIMATE.start_main_~y~4 156), 128816#(<= ULTIMATE.start_main_~y~4 155), 128819#(<= ULTIMATE.start_main_~y~4 158), 128818#(<= ULTIMATE.start_main_~y~4 157), 128821#(<= ULTIMATE.start_main_~y~4 160), 128820#(<= ULTIMATE.start_main_~y~4 159), 128823#(<= ULTIMATE.start_main_~y~4 162), 128822#(<= ULTIMATE.start_main_~y~4 161), 128825#(<= ULTIMATE.start_main_~y~4 164), 128824#(<= ULTIMATE.start_main_~y~4 163), 128827#(<= ULTIMATE.start_main_~y~4 166), 128826#(<= ULTIMATE.start_main_~y~4 165), 128829#(<= ULTIMATE.start_main_~y~4 168), 128828#(<= ULTIMATE.start_main_~y~4 167), 128831#(<= ULTIMATE.start_main_~y~4 170), 128830#(<= ULTIMATE.start_main_~y~4 169), 128833#(<= ULTIMATE.start_main_~y~4 172), 128832#(<= ULTIMATE.start_main_~y~4 171), 128835#(<= ULTIMATE.start_main_~y~4 174), 128834#(<= ULTIMATE.start_main_~y~4 173), 128837#(<= ULTIMATE.start_main_~y~4 176), 128836#(<= ULTIMATE.start_main_~y~4 175), 128839#(<= ULTIMATE.start_main_~y~4 178), 128838#(<= ULTIMATE.start_main_~y~4 177), 128841#(<= ULTIMATE.start_main_~y~4 180), 128840#(<= ULTIMATE.start_main_~y~4 179), 128843#(<= ULTIMATE.start_main_~y~4 182), 128842#(<= ULTIMATE.start_main_~y~4 181), 128845#(<= ULTIMATE.start_main_~y~4 184), 128844#(<= ULTIMATE.start_main_~y~4 183), 128847#(<= ULTIMATE.start_main_~y~4 186), 128846#(<= ULTIMATE.start_main_~y~4 185), 128849#(<= ULTIMATE.start_main_~y~4 188), 128848#(<= ULTIMATE.start_main_~y~4 187), 128851#(<= ULTIMATE.start_main_~y~4 190), 128850#(<= ULTIMATE.start_main_~y~4 189), 128853#(<= ULTIMATE.start_main_~y~4 192), 128852#(<= ULTIMATE.start_main_~y~4 191), 128855#(<= ULTIMATE.start_main_~y~4 194), 128854#(<= ULTIMATE.start_main_~y~4 193), 128857#(<= ULTIMATE.start_main_~y~4 196), 128856#(<= ULTIMATE.start_main_~y~4 195), 128859#(<= ULTIMATE.start_main_~y~4 198), 128858#(<= ULTIMATE.start_main_~y~4 197), 128861#(<= ULTIMATE.start_main_~y~4 200), 128860#(<= ULTIMATE.start_main_~y~4 199), 128863#(<= ULTIMATE.start_main_~y~4 202), 128862#(<= ULTIMATE.start_main_~y~4 201), 128865#(<= ULTIMATE.start_main_~y~4 204), 128864#(<= ULTIMATE.start_main_~y~4 203), 128867#(<= ULTIMATE.start_main_~y~4 206), 128866#(<= ULTIMATE.start_main_~y~4 205), 128869#(<= ULTIMATE.start_main_~y~4 208), 128868#(<= ULTIMATE.start_main_~y~4 207), 128871#(<= ULTIMATE.start_main_~y~4 210), 128870#(<= ULTIMATE.start_main_~y~4 209), 128873#(<= ULTIMATE.start_main_~y~4 212), 128872#(<= ULTIMATE.start_main_~y~4 211), 128875#(<= ULTIMATE.start_main_~y~4 214), 128874#(<= ULTIMATE.start_main_~y~4 213), 128877#(<= ULTIMATE.start_main_~y~4 216), 128876#(<= ULTIMATE.start_main_~y~4 215), 128879#(<= ULTIMATE.start_main_~y~4 218), 128878#(<= ULTIMATE.start_main_~y~4 217), 128881#(<= ULTIMATE.start_main_~y~4 220), 128880#(<= ULTIMATE.start_main_~y~4 219), 128883#(<= ULTIMATE.start_main_~y~4 222), 128882#(<= ULTIMATE.start_main_~y~4 221)] [2018-07-23 13:40:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 24753 backedges. 0 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:14,507 INFO L450 AbstractCegarLoop]: Interpolant automaton has 225 states [2018-07-23 13:40:14,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2018-07-23 13:40:14,512 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:40:14,513 INFO L87 Difference]: Start difference. First operand 226 states and 226 transitions. Second operand 225 states. [2018-07-23 13:40:15,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:15,370 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:40:15,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2018-07-23 13:40:15,370 INFO L78 Accepts]: Start accepts. Automaton has 225 states. Word has length 225 [2018-07-23 13:40:15,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:15,370 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:40:15,371 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:40:15,372 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:40:15,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:40:15,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:40:15,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:40:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:40:15,375 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 225 [2018-07-23 13:40:15,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:15,375 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:40:15,375 INFO L472 AbstractCegarLoop]: Interpolant automaton has 225 states. [2018-07-23 13:40:15,375 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:40:15,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:40:15,376 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:15,376 INFO L357 BasicCegarLoop]: trace histogram [223, 1, 1, 1] [2018-07-23 13:40:15,376 INFO L414 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:15,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1832598132, now seen corresponding path program 223 times [2018-07-23 13:40:15,376 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 24976 backedges. 0 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:16,643 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:16,643 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [225] total 225 [2018-07-23 13:40:16,643 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:16,644 INFO L185 omatonBuilderFactory]: Interpolants [129797#false, 129796#true, 129799#(<= ULTIMATE.start_main_~y~4 1), 129798#(<= ULTIMATE.start_main_~y~4 0), 129801#(<= ULTIMATE.start_main_~y~4 3), 129800#(<= ULTIMATE.start_main_~y~4 2), 129803#(<= ULTIMATE.start_main_~y~4 5), 129802#(<= ULTIMATE.start_main_~y~4 4), 129805#(<= ULTIMATE.start_main_~y~4 7), 129804#(<= ULTIMATE.start_main_~y~4 6), 129807#(<= ULTIMATE.start_main_~y~4 9), 129806#(<= ULTIMATE.start_main_~y~4 8), 129809#(<= ULTIMATE.start_main_~y~4 11), 129808#(<= ULTIMATE.start_main_~y~4 10), 129811#(<= ULTIMATE.start_main_~y~4 13), 129810#(<= ULTIMATE.start_main_~y~4 12), 129813#(<= ULTIMATE.start_main_~y~4 15), 129812#(<= ULTIMATE.start_main_~y~4 14), 129815#(<= ULTIMATE.start_main_~y~4 17), 129814#(<= ULTIMATE.start_main_~y~4 16), 129817#(<= ULTIMATE.start_main_~y~4 19), 129816#(<= ULTIMATE.start_main_~y~4 18), 129819#(<= ULTIMATE.start_main_~y~4 21), 129818#(<= ULTIMATE.start_main_~y~4 20), 129821#(<= ULTIMATE.start_main_~y~4 23), 129820#(<= ULTIMATE.start_main_~y~4 22), 129823#(<= ULTIMATE.start_main_~y~4 25), 129822#(<= ULTIMATE.start_main_~y~4 24), 129825#(<= ULTIMATE.start_main_~y~4 27), 129824#(<= ULTIMATE.start_main_~y~4 26), 129827#(<= ULTIMATE.start_main_~y~4 29), 129826#(<= ULTIMATE.start_main_~y~4 28), 129829#(<= ULTIMATE.start_main_~y~4 31), 129828#(<= ULTIMATE.start_main_~y~4 30), 129831#(<= ULTIMATE.start_main_~y~4 33), 129830#(<= ULTIMATE.start_main_~y~4 32), 129833#(<= ULTIMATE.start_main_~y~4 35), 129832#(<= ULTIMATE.start_main_~y~4 34), 129835#(<= ULTIMATE.start_main_~y~4 37), 129834#(<= ULTIMATE.start_main_~y~4 36), 129837#(<= ULTIMATE.start_main_~y~4 39), 129836#(<= ULTIMATE.start_main_~y~4 38), 129839#(<= ULTIMATE.start_main_~y~4 41), 129838#(<= ULTIMATE.start_main_~y~4 40), 129841#(<= ULTIMATE.start_main_~y~4 43), 129840#(<= ULTIMATE.start_main_~y~4 42), 129843#(<= ULTIMATE.start_main_~y~4 45), 129842#(<= ULTIMATE.start_main_~y~4 44), 129845#(<= ULTIMATE.start_main_~y~4 47), 129844#(<= ULTIMATE.start_main_~y~4 46), 129847#(<= ULTIMATE.start_main_~y~4 49), 129846#(<= ULTIMATE.start_main_~y~4 48), 129849#(<= ULTIMATE.start_main_~y~4 51), 129848#(<= ULTIMATE.start_main_~y~4 50), 129851#(<= ULTIMATE.start_main_~y~4 53), 129850#(<= ULTIMATE.start_main_~y~4 52), 129853#(<= ULTIMATE.start_main_~y~4 55), 129852#(<= ULTIMATE.start_main_~y~4 54), 129855#(<= ULTIMATE.start_main_~y~4 57), 129854#(<= ULTIMATE.start_main_~y~4 56), 129857#(<= ULTIMATE.start_main_~y~4 59), 129856#(<= ULTIMATE.start_main_~y~4 58), 129859#(<= ULTIMATE.start_main_~y~4 61), 129858#(<= ULTIMATE.start_main_~y~4 60), 129861#(<= ULTIMATE.start_main_~y~4 63), 129860#(<= ULTIMATE.start_main_~y~4 62), 129863#(<= ULTIMATE.start_main_~y~4 65), 129862#(<= ULTIMATE.start_main_~y~4 64), 129865#(<= ULTIMATE.start_main_~y~4 67), 129864#(<= ULTIMATE.start_main_~y~4 66), 129867#(<= ULTIMATE.start_main_~y~4 69), 129866#(<= ULTIMATE.start_main_~y~4 68), 129869#(<= ULTIMATE.start_main_~y~4 71), 129868#(<= ULTIMATE.start_main_~y~4 70), 129871#(<= ULTIMATE.start_main_~y~4 73), 129870#(<= ULTIMATE.start_main_~y~4 72), 129873#(<= ULTIMATE.start_main_~y~4 75), 129872#(<= ULTIMATE.start_main_~y~4 74), 129875#(<= ULTIMATE.start_main_~y~4 77), 129874#(<= ULTIMATE.start_main_~y~4 76), 129877#(<= ULTIMATE.start_main_~y~4 79), 129876#(<= ULTIMATE.start_main_~y~4 78), 129879#(<= ULTIMATE.start_main_~y~4 81), 129878#(<= ULTIMATE.start_main_~y~4 80), 129881#(<= ULTIMATE.start_main_~y~4 83), 129880#(<= ULTIMATE.start_main_~y~4 82), 129883#(<= ULTIMATE.start_main_~y~4 85), 129882#(<= ULTIMATE.start_main_~y~4 84), 129885#(<= ULTIMATE.start_main_~y~4 87), 129884#(<= ULTIMATE.start_main_~y~4 86), 129887#(<= ULTIMATE.start_main_~y~4 89), 129886#(<= ULTIMATE.start_main_~y~4 88), 129889#(<= ULTIMATE.start_main_~y~4 91), 129888#(<= ULTIMATE.start_main_~y~4 90), 129891#(<= ULTIMATE.start_main_~y~4 93), 129890#(<= ULTIMATE.start_main_~y~4 92), 129893#(<= ULTIMATE.start_main_~y~4 95), 129892#(<= ULTIMATE.start_main_~y~4 94), 129895#(<= ULTIMATE.start_main_~y~4 97), 129894#(<= ULTIMATE.start_main_~y~4 96), 129897#(<= ULTIMATE.start_main_~y~4 99), 129896#(<= ULTIMATE.start_main_~y~4 98), 129899#(<= ULTIMATE.start_main_~y~4 101), 129898#(<= ULTIMATE.start_main_~y~4 100), 129901#(<= ULTIMATE.start_main_~y~4 103), 129900#(<= ULTIMATE.start_main_~y~4 102), 129903#(<= ULTIMATE.start_main_~y~4 105), 129902#(<= ULTIMATE.start_main_~y~4 104), 129905#(<= ULTIMATE.start_main_~y~4 107), 129904#(<= ULTIMATE.start_main_~y~4 106), 129907#(<= ULTIMATE.start_main_~y~4 109), 129906#(<= ULTIMATE.start_main_~y~4 108), 129909#(<= ULTIMATE.start_main_~y~4 111), 129908#(<= ULTIMATE.start_main_~y~4 110), 129911#(<= ULTIMATE.start_main_~y~4 113), 129910#(<= ULTIMATE.start_main_~y~4 112), 129913#(<= ULTIMATE.start_main_~y~4 115), 129912#(<= ULTIMATE.start_main_~y~4 114), 129915#(<= ULTIMATE.start_main_~y~4 117), 129914#(<= ULTIMATE.start_main_~y~4 116), 129917#(<= ULTIMATE.start_main_~y~4 119), 129916#(<= ULTIMATE.start_main_~y~4 118), 129919#(<= ULTIMATE.start_main_~y~4 121), 129918#(<= ULTIMATE.start_main_~y~4 120), 129921#(<= ULTIMATE.start_main_~y~4 123), 129920#(<= ULTIMATE.start_main_~y~4 122), 129923#(<= ULTIMATE.start_main_~y~4 125), 129922#(<= ULTIMATE.start_main_~y~4 124), 129925#(<= ULTIMATE.start_main_~y~4 127), 129924#(<= ULTIMATE.start_main_~y~4 126), 129927#(<= ULTIMATE.start_main_~y~4 129), 129926#(<= ULTIMATE.start_main_~y~4 128), 129929#(<= ULTIMATE.start_main_~y~4 131), 129928#(<= ULTIMATE.start_main_~y~4 130), 129931#(<= ULTIMATE.start_main_~y~4 133), 129930#(<= ULTIMATE.start_main_~y~4 132), 129933#(<= ULTIMATE.start_main_~y~4 135), 129932#(<= ULTIMATE.start_main_~y~4 134), 129935#(<= ULTIMATE.start_main_~y~4 137), 129934#(<= ULTIMATE.start_main_~y~4 136), 129937#(<= ULTIMATE.start_main_~y~4 139), 129936#(<= ULTIMATE.start_main_~y~4 138), 129939#(<= ULTIMATE.start_main_~y~4 141), 129938#(<= ULTIMATE.start_main_~y~4 140), 129941#(<= ULTIMATE.start_main_~y~4 143), 129940#(<= ULTIMATE.start_main_~y~4 142), 129943#(<= ULTIMATE.start_main_~y~4 145), 129942#(<= ULTIMATE.start_main_~y~4 144), 129945#(<= ULTIMATE.start_main_~y~4 147), 129944#(<= ULTIMATE.start_main_~y~4 146), 129947#(<= ULTIMATE.start_main_~y~4 149), 129946#(<= ULTIMATE.start_main_~y~4 148), 129949#(<= ULTIMATE.start_main_~y~4 151), 129948#(<= ULTIMATE.start_main_~y~4 150), 129951#(<= ULTIMATE.start_main_~y~4 153), 129950#(<= ULTIMATE.start_main_~y~4 152), 129953#(<= ULTIMATE.start_main_~y~4 155), 129952#(<= ULTIMATE.start_main_~y~4 154), 129955#(<= ULTIMATE.start_main_~y~4 157), 129954#(<= ULTIMATE.start_main_~y~4 156), 129957#(<= ULTIMATE.start_main_~y~4 159), 129956#(<= ULTIMATE.start_main_~y~4 158), 129959#(<= ULTIMATE.start_main_~y~4 161), 129958#(<= ULTIMATE.start_main_~y~4 160), 129961#(<= ULTIMATE.start_main_~y~4 163), 129960#(<= ULTIMATE.start_main_~y~4 162), 129963#(<= ULTIMATE.start_main_~y~4 165), 129962#(<= ULTIMATE.start_main_~y~4 164), 129965#(<= ULTIMATE.start_main_~y~4 167), 129964#(<= ULTIMATE.start_main_~y~4 166), 129967#(<= ULTIMATE.start_main_~y~4 169), 129966#(<= ULTIMATE.start_main_~y~4 168), 129969#(<= ULTIMATE.start_main_~y~4 171), 129968#(<= ULTIMATE.start_main_~y~4 170), 129971#(<= ULTIMATE.start_main_~y~4 173), 129970#(<= ULTIMATE.start_main_~y~4 172), 129973#(<= ULTIMATE.start_main_~y~4 175), 129972#(<= ULTIMATE.start_main_~y~4 174), 129975#(<= ULTIMATE.start_main_~y~4 177), 129974#(<= ULTIMATE.start_main_~y~4 176), 129977#(<= ULTIMATE.start_main_~y~4 179), 129976#(<= ULTIMATE.start_main_~y~4 178), 129979#(<= ULTIMATE.start_main_~y~4 181), 129978#(<= ULTIMATE.start_main_~y~4 180), 129981#(<= ULTIMATE.start_main_~y~4 183), 129980#(<= ULTIMATE.start_main_~y~4 182), 129983#(<= ULTIMATE.start_main_~y~4 185), 129982#(<= ULTIMATE.start_main_~y~4 184), 129985#(<= ULTIMATE.start_main_~y~4 187), 129984#(<= ULTIMATE.start_main_~y~4 186), 129987#(<= ULTIMATE.start_main_~y~4 189), 129986#(<= ULTIMATE.start_main_~y~4 188), 129989#(<= ULTIMATE.start_main_~y~4 191), 129988#(<= ULTIMATE.start_main_~y~4 190), 129991#(<= ULTIMATE.start_main_~y~4 193), 129990#(<= ULTIMATE.start_main_~y~4 192), 129993#(<= ULTIMATE.start_main_~y~4 195), 129992#(<= ULTIMATE.start_main_~y~4 194), 129995#(<= ULTIMATE.start_main_~y~4 197), 129994#(<= ULTIMATE.start_main_~y~4 196), 129997#(<= ULTIMATE.start_main_~y~4 199), 129996#(<= ULTIMATE.start_main_~y~4 198), 129999#(<= ULTIMATE.start_main_~y~4 201), 129998#(<= ULTIMATE.start_main_~y~4 200), 130001#(<= ULTIMATE.start_main_~y~4 203), 130000#(<= ULTIMATE.start_main_~y~4 202), 130003#(<= ULTIMATE.start_main_~y~4 205), 130002#(<= ULTIMATE.start_main_~y~4 204), 130005#(<= ULTIMATE.start_main_~y~4 207), 130004#(<= ULTIMATE.start_main_~y~4 206), 130007#(<= ULTIMATE.start_main_~y~4 209), 130006#(<= ULTIMATE.start_main_~y~4 208), 130009#(<= ULTIMATE.start_main_~y~4 211), 130008#(<= ULTIMATE.start_main_~y~4 210), 130011#(<= ULTIMATE.start_main_~y~4 213), 130010#(<= ULTIMATE.start_main_~y~4 212), 130013#(<= ULTIMATE.start_main_~y~4 215), 130012#(<= ULTIMATE.start_main_~y~4 214), 130015#(<= ULTIMATE.start_main_~y~4 217), 130014#(<= ULTIMATE.start_main_~y~4 216), 130017#(<= ULTIMATE.start_main_~y~4 219), 130016#(<= ULTIMATE.start_main_~y~4 218), 130019#(<= ULTIMATE.start_main_~y~4 221), 130018#(<= ULTIMATE.start_main_~y~4 220), 130021#(<= ULTIMATE.start_main_~y~4 223), 130020#(<= ULTIMATE.start_main_~y~4 222)] [2018-07-23 13:40:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 24976 backedges. 0 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:16,645 INFO L450 AbstractCegarLoop]: Interpolant automaton has 226 states [2018-07-23 13:40:16,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 226 interpolants. [2018-07-23 13:40:16,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25425, Invalid=25425, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:40:16,651 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 226 states. [2018-07-23 13:40:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:18,615 INFO L93 Difference]: Finished difference Result 230 states and 230 transitions. [2018-07-23 13:40:18,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2018-07-23 13:40:18,615 INFO L78 Accepts]: Start accepts. Automaton has 226 states. Word has length 226 [2018-07-23 13:40:18,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:18,615 INFO L225 Difference]: With dead ends: 230 [2018-07-23 13:40:18,616 INFO L226 Difference]: Without dead ends: 228 [2018-07-23 13:40:18,618 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25425, Invalid=25425, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:40:18,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-07-23 13:40:18,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-07-23 13:40:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-07-23 13:40:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 228 transitions. [2018-07-23 13:40:18,620 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 228 transitions. Word has length 226 [2018-07-23 13:40:18,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:18,620 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 228 transitions. [2018-07-23 13:40:18,620 INFO L472 AbstractCegarLoop]: Interpolant automaton has 226 states. [2018-07-23 13:40:18,620 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 228 transitions. [2018-07-23 13:40:18,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-07-23 13:40:18,621 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:18,621 INFO L357 BasicCegarLoop]: trace histogram [224, 1, 1, 1] [2018-07-23 13:40:18,621 INFO L414 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:18,621 INFO L82 PathProgramCache]: Analyzing trace with hash -975965437, now seen corresponding path program 224 times [2018-07-23 13:40:18,621 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 25200 backedges. 0 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:19,829 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:19,829 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [226] total 226 [2018-07-23 13:40:19,830 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:19,830 INFO L185 omatonBuilderFactory]: Interpolants [131074#(<= ULTIMATE.start_main_~y~4 134), 131075#(<= ULTIMATE.start_main_~y~4 135), 131072#(<= ULTIMATE.start_main_~y~4 132), 131073#(<= ULTIMATE.start_main_~y~4 133), 131078#(<= ULTIMATE.start_main_~y~4 138), 131079#(<= ULTIMATE.start_main_~y~4 139), 131076#(<= ULTIMATE.start_main_~y~4 136), 131077#(<= ULTIMATE.start_main_~y~4 137), 131082#(<= ULTIMATE.start_main_~y~4 142), 131083#(<= ULTIMATE.start_main_~y~4 143), 131080#(<= ULTIMATE.start_main_~y~4 140), 131081#(<= ULTIMATE.start_main_~y~4 141), 131086#(<= ULTIMATE.start_main_~y~4 146), 131087#(<= ULTIMATE.start_main_~y~4 147), 131084#(<= ULTIMATE.start_main_~y~4 144), 131085#(<= ULTIMATE.start_main_~y~4 145), 131090#(<= ULTIMATE.start_main_~y~4 150), 131091#(<= ULTIMATE.start_main_~y~4 151), 131088#(<= ULTIMATE.start_main_~y~4 148), 131089#(<= ULTIMATE.start_main_~y~4 149), 131094#(<= ULTIMATE.start_main_~y~4 154), 131095#(<= ULTIMATE.start_main_~y~4 155), 131092#(<= ULTIMATE.start_main_~y~4 152), 131093#(<= ULTIMATE.start_main_~y~4 153), 131098#(<= ULTIMATE.start_main_~y~4 158), 131099#(<= ULTIMATE.start_main_~y~4 159), 131096#(<= ULTIMATE.start_main_~y~4 156), 131097#(<= ULTIMATE.start_main_~y~4 157), 131102#(<= ULTIMATE.start_main_~y~4 162), 131103#(<= ULTIMATE.start_main_~y~4 163), 131100#(<= ULTIMATE.start_main_~y~4 160), 131101#(<= ULTIMATE.start_main_~y~4 161), 131106#(<= ULTIMATE.start_main_~y~4 166), 131107#(<= ULTIMATE.start_main_~y~4 167), 131104#(<= ULTIMATE.start_main_~y~4 164), 131105#(<= ULTIMATE.start_main_~y~4 165), 131110#(<= ULTIMATE.start_main_~y~4 170), 131111#(<= ULTIMATE.start_main_~y~4 171), 131108#(<= ULTIMATE.start_main_~y~4 168), 131109#(<= ULTIMATE.start_main_~y~4 169), 131114#(<= ULTIMATE.start_main_~y~4 174), 131115#(<= ULTIMATE.start_main_~y~4 175), 131112#(<= ULTIMATE.start_main_~y~4 172), 131113#(<= ULTIMATE.start_main_~y~4 173), 131118#(<= ULTIMATE.start_main_~y~4 178), 131119#(<= ULTIMATE.start_main_~y~4 179), 131116#(<= ULTIMATE.start_main_~y~4 176), 131117#(<= ULTIMATE.start_main_~y~4 177), 131122#(<= ULTIMATE.start_main_~y~4 182), 131123#(<= ULTIMATE.start_main_~y~4 183), 131120#(<= ULTIMATE.start_main_~y~4 180), 131121#(<= ULTIMATE.start_main_~y~4 181), 131126#(<= ULTIMATE.start_main_~y~4 186), 131127#(<= ULTIMATE.start_main_~y~4 187), 131124#(<= ULTIMATE.start_main_~y~4 184), 131125#(<= ULTIMATE.start_main_~y~4 185), 131130#(<= ULTIMATE.start_main_~y~4 190), 131131#(<= ULTIMATE.start_main_~y~4 191), 131128#(<= ULTIMATE.start_main_~y~4 188), 131129#(<= ULTIMATE.start_main_~y~4 189), 131134#(<= ULTIMATE.start_main_~y~4 194), 131135#(<= ULTIMATE.start_main_~y~4 195), 131132#(<= ULTIMATE.start_main_~y~4 192), 131133#(<= ULTIMATE.start_main_~y~4 193), 131138#(<= ULTIMATE.start_main_~y~4 198), 131139#(<= ULTIMATE.start_main_~y~4 199), 131136#(<= ULTIMATE.start_main_~y~4 196), 131137#(<= ULTIMATE.start_main_~y~4 197), 131142#(<= ULTIMATE.start_main_~y~4 202), 131143#(<= ULTIMATE.start_main_~y~4 203), 131140#(<= ULTIMATE.start_main_~y~4 200), 131141#(<= ULTIMATE.start_main_~y~4 201), 131146#(<= ULTIMATE.start_main_~y~4 206), 131147#(<= ULTIMATE.start_main_~y~4 207), 131144#(<= ULTIMATE.start_main_~y~4 204), 131145#(<= ULTIMATE.start_main_~y~4 205), 131150#(<= ULTIMATE.start_main_~y~4 210), 131151#(<= ULTIMATE.start_main_~y~4 211), 131148#(<= ULTIMATE.start_main_~y~4 208), 131149#(<= ULTIMATE.start_main_~y~4 209), 131154#(<= ULTIMATE.start_main_~y~4 214), 131155#(<= ULTIMATE.start_main_~y~4 215), 131152#(<= ULTIMATE.start_main_~y~4 212), 131153#(<= ULTIMATE.start_main_~y~4 213), 131158#(<= ULTIMATE.start_main_~y~4 218), 131159#(<= ULTIMATE.start_main_~y~4 219), 131156#(<= ULTIMATE.start_main_~y~4 216), 131157#(<= ULTIMATE.start_main_~y~4 217), 131162#(<= ULTIMATE.start_main_~y~4 222), 131163#(<= ULTIMATE.start_main_~y~4 223), 131160#(<= ULTIMATE.start_main_~y~4 220), 131161#(<= ULTIMATE.start_main_~y~4 221), 131164#(<= ULTIMATE.start_main_~y~4 224), 130939#false, 130938#true, 130941#(<= ULTIMATE.start_main_~y~4 1), 130940#(<= ULTIMATE.start_main_~y~4 0), 130943#(<= ULTIMATE.start_main_~y~4 3), 130942#(<= ULTIMATE.start_main_~y~4 2), 130945#(<= ULTIMATE.start_main_~y~4 5), 130944#(<= ULTIMATE.start_main_~y~4 4), 130947#(<= ULTIMATE.start_main_~y~4 7), 130946#(<= ULTIMATE.start_main_~y~4 6), 130949#(<= ULTIMATE.start_main_~y~4 9), 130948#(<= ULTIMATE.start_main_~y~4 8), 130951#(<= ULTIMATE.start_main_~y~4 11), 130950#(<= ULTIMATE.start_main_~y~4 10), 130953#(<= ULTIMATE.start_main_~y~4 13), 130952#(<= ULTIMATE.start_main_~y~4 12), 130955#(<= ULTIMATE.start_main_~y~4 15), 130954#(<= ULTIMATE.start_main_~y~4 14), 130957#(<= ULTIMATE.start_main_~y~4 17), 130956#(<= ULTIMATE.start_main_~y~4 16), 130959#(<= ULTIMATE.start_main_~y~4 19), 130958#(<= ULTIMATE.start_main_~y~4 18), 130961#(<= ULTIMATE.start_main_~y~4 21), 130960#(<= ULTIMATE.start_main_~y~4 20), 130963#(<= ULTIMATE.start_main_~y~4 23), 130962#(<= ULTIMATE.start_main_~y~4 22), 130965#(<= ULTIMATE.start_main_~y~4 25), 130964#(<= ULTIMATE.start_main_~y~4 24), 130967#(<= ULTIMATE.start_main_~y~4 27), 130966#(<= ULTIMATE.start_main_~y~4 26), 130969#(<= ULTIMATE.start_main_~y~4 29), 130968#(<= ULTIMATE.start_main_~y~4 28), 130971#(<= ULTIMATE.start_main_~y~4 31), 130970#(<= ULTIMATE.start_main_~y~4 30), 130973#(<= ULTIMATE.start_main_~y~4 33), 130972#(<= ULTIMATE.start_main_~y~4 32), 130975#(<= ULTIMATE.start_main_~y~4 35), 130974#(<= ULTIMATE.start_main_~y~4 34), 130977#(<= ULTIMATE.start_main_~y~4 37), 130976#(<= ULTIMATE.start_main_~y~4 36), 130979#(<= ULTIMATE.start_main_~y~4 39), 130978#(<= ULTIMATE.start_main_~y~4 38), 130981#(<= ULTIMATE.start_main_~y~4 41), 130980#(<= ULTIMATE.start_main_~y~4 40), 130983#(<= ULTIMATE.start_main_~y~4 43), 130982#(<= ULTIMATE.start_main_~y~4 42), 130985#(<= ULTIMATE.start_main_~y~4 45), 130984#(<= ULTIMATE.start_main_~y~4 44), 130987#(<= ULTIMATE.start_main_~y~4 47), 130986#(<= ULTIMATE.start_main_~y~4 46), 130989#(<= ULTIMATE.start_main_~y~4 49), 130988#(<= ULTIMATE.start_main_~y~4 48), 130991#(<= ULTIMATE.start_main_~y~4 51), 130990#(<= ULTIMATE.start_main_~y~4 50), 130993#(<= ULTIMATE.start_main_~y~4 53), 130992#(<= ULTIMATE.start_main_~y~4 52), 130995#(<= ULTIMATE.start_main_~y~4 55), 130994#(<= ULTIMATE.start_main_~y~4 54), 130997#(<= ULTIMATE.start_main_~y~4 57), 130996#(<= ULTIMATE.start_main_~y~4 56), 130999#(<= ULTIMATE.start_main_~y~4 59), 130998#(<= ULTIMATE.start_main_~y~4 58), 131001#(<= ULTIMATE.start_main_~y~4 61), 131000#(<= ULTIMATE.start_main_~y~4 60), 131003#(<= ULTIMATE.start_main_~y~4 63), 131002#(<= ULTIMATE.start_main_~y~4 62), 131005#(<= ULTIMATE.start_main_~y~4 65), 131004#(<= ULTIMATE.start_main_~y~4 64), 131007#(<= ULTIMATE.start_main_~y~4 67), 131006#(<= ULTIMATE.start_main_~y~4 66), 131009#(<= ULTIMATE.start_main_~y~4 69), 131008#(<= ULTIMATE.start_main_~y~4 68), 131011#(<= ULTIMATE.start_main_~y~4 71), 131010#(<= ULTIMATE.start_main_~y~4 70), 131013#(<= ULTIMATE.start_main_~y~4 73), 131012#(<= ULTIMATE.start_main_~y~4 72), 131015#(<= ULTIMATE.start_main_~y~4 75), 131014#(<= ULTIMATE.start_main_~y~4 74), 131017#(<= ULTIMATE.start_main_~y~4 77), 131016#(<= ULTIMATE.start_main_~y~4 76), 131019#(<= ULTIMATE.start_main_~y~4 79), 131018#(<= ULTIMATE.start_main_~y~4 78), 131021#(<= ULTIMATE.start_main_~y~4 81), 131020#(<= ULTIMATE.start_main_~y~4 80), 131023#(<= ULTIMATE.start_main_~y~4 83), 131022#(<= ULTIMATE.start_main_~y~4 82), 131025#(<= ULTIMATE.start_main_~y~4 85), 131024#(<= ULTIMATE.start_main_~y~4 84), 131027#(<= ULTIMATE.start_main_~y~4 87), 131026#(<= ULTIMATE.start_main_~y~4 86), 131029#(<= ULTIMATE.start_main_~y~4 89), 131028#(<= ULTIMATE.start_main_~y~4 88), 131031#(<= ULTIMATE.start_main_~y~4 91), 131030#(<= ULTIMATE.start_main_~y~4 90), 131033#(<= ULTIMATE.start_main_~y~4 93), 131032#(<= ULTIMATE.start_main_~y~4 92), 131035#(<= ULTIMATE.start_main_~y~4 95), 131034#(<= ULTIMATE.start_main_~y~4 94), 131037#(<= ULTIMATE.start_main_~y~4 97), 131036#(<= ULTIMATE.start_main_~y~4 96), 131039#(<= ULTIMATE.start_main_~y~4 99), 131038#(<= ULTIMATE.start_main_~y~4 98), 131041#(<= ULTIMATE.start_main_~y~4 101), 131040#(<= ULTIMATE.start_main_~y~4 100), 131043#(<= ULTIMATE.start_main_~y~4 103), 131042#(<= ULTIMATE.start_main_~y~4 102), 131045#(<= ULTIMATE.start_main_~y~4 105), 131044#(<= ULTIMATE.start_main_~y~4 104), 131047#(<= ULTIMATE.start_main_~y~4 107), 131046#(<= ULTIMATE.start_main_~y~4 106), 131049#(<= ULTIMATE.start_main_~y~4 109), 131048#(<= ULTIMATE.start_main_~y~4 108), 131051#(<= ULTIMATE.start_main_~y~4 111), 131050#(<= ULTIMATE.start_main_~y~4 110), 131053#(<= ULTIMATE.start_main_~y~4 113), 131052#(<= ULTIMATE.start_main_~y~4 112), 131055#(<= ULTIMATE.start_main_~y~4 115), 131054#(<= ULTIMATE.start_main_~y~4 114), 131057#(<= ULTIMATE.start_main_~y~4 117), 131056#(<= ULTIMATE.start_main_~y~4 116), 131059#(<= ULTIMATE.start_main_~y~4 119), 131058#(<= ULTIMATE.start_main_~y~4 118), 131061#(<= ULTIMATE.start_main_~y~4 121), 131060#(<= ULTIMATE.start_main_~y~4 120), 131063#(<= ULTIMATE.start_main_~y~4 123), 131062#(<= ULTIMATE.start_main_~y~4 122), 131065#(<= ULTIMATE.start_main_~y~4 125), 131064#(<= ULTIMATE.start_main_~y~4 124), 131067#(<= ULTIMATE.start_main_~y~4 127), 131066#(<= ULTIMATE.start_main_~y~4 126), 131069#(<= ULTIMATE.start_main_~y~4 129), 131068#(<= ULTIMATE.start_main_~y~4 128), 131071#(<= ULTIMATE.start_main_~y~4 131), 131070#(<= ULTIMATE.start_main_~y~4 130)] [2018-07-23 13:40:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 25200 backedges. 0 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:19,831 INFO L450 AbstractCegarLoop]: Interpolant automaton has 227 states [2018-07-23 13:40:19,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2018-07-23 13:40:19,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25651, Invalid=25651, Unknown=0, NotChecked=0, Total=51302 [2018-07-23 13:40:19,835 INFO L87 Difference]: Start difference. First operand 228 states and 228 transitions. Second operand 227 states. [2018-07-23 13:40:20,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:20,246 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:40:20,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2018-07-23 13:40:20,246 INFO L78 Accepts]: Start accepts. Automaton has 227 states. Word has length 227 [2018-07-23 13:40:20,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:20,247 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:40:20,247 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:40:20,248 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25651, Invalid=25651, Unknown=0, NotChecked=0, Total=51302 [2018-07-23 13:40:20,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:40:20,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:40:20,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:40:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:40:20,251 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 227 [2018-07-23 13:40:20,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:20,251 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:40:20,251 INFO L472 AbstractCegarLoop]: Interpolant automaton has 227 states. [2018-07-23 13:40:20,251 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:40:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:40:20,252 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:20,252 INFO L357 BasicCegarLoop]: trace histogram [225, 1, 1, 1] [2018-07-23 13:40:20,252 INFO L414 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:20,252 INFO L82 PathProgramCache]: Analyzing trace with hash -190155668, now seen corresponding path program 225 times [2018-07-23 13:40:20,252 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 25425 backedges. 0 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:21,483 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:21,483 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [227] total 227 [2018-07-23 13:40:21,483 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:21,483 INFO L185 omatonBuilderFactory]: Interpolants [132098#(<= ULTIMATE.start_main_~y~4 11), 132099#(<= ULTIMATE.start_main_~y~4 12), 132096#(<= ULTIMATE.start_main_~y~4 9), 132097#(<= ULTIMATE.start_main_~y~4 10), 132102#(<= ULTIMATE.start_main_~y~4 15), 132103#(<= ULTIMATE.start_main_~y~4 16), 132100#(<= ULTIMATE.start_main_~y~4 13), 132101#(<= ULTIMATE.start_main_~y~4 14), 132106#(<= ULTIMATE.start_main_~y~4 19), 132107#(<= ULTIMATE.start_main_~y~4 20), 132104#(<= ULTIMATE.start_main_~y~4 17), 132105#(<= ULTIMATE.start_main_~y~4 18), 132110#(<= ULTIMATE.start_main_~y~4 23), 132111#(<= ULTIMATE.start_main_~y~4 24), 132108#(<= ULTIMATE.start_main_~y~4 21), 132109#(<= ULTIMATE.start_main_~y~4 22), 132114#(<= ULTIMATE.start_main_~y~4 27), 132115#(<= ULTIMATE.start_main_~y~4 28), 132112#(<= ULTIMATE.start_main_~y~4 25), 132113#(<= ULTIMATE.start_main_~y~4 26), 132118#(<= ULTIMATE.start_main_~y~4 31), 132119#(<= ULTIMATE.start_main_~y~4 32), 132116#(<= ULTIMATE.start_main_~y~4 29), 132117#(<= ULTIMATE.start_main_~y~4 30), 132122#(<= ULTIMATE.start_main_~y~4 35), 132123#(<= ULTIMATE.start_main_~y~4 36), 132120#(<= ULTIMATE.start_main_~y~4 33), 132121#(<= ULTIMATE.start_main_~y~4 34), 132126#(<= ULTIMATE.start_main_~y~4 39), 132127#(<= ULTIMATE.start_main_~y~4 40), 132124#(<= ULTIMATE.start_main_~y~4 37), 132125#(<= ULTIMATE.start_main_~y~4 38), 132130#(<= ULTIMATE.start_main_~y~4 43), 132131#(<= ULTIMATE.start_main_~y~4 44), 132128#(<= ULTIMATE.start_main_~y~4 41), 132129#(<= ULTIMATE.start_main_~y~4 42), 132134#(<= ULTIMATE.start_main_~y~4 47), 132135#(<= ULTIMATE.start_main_~y~4 48), 132132#(<= ULTIMATE.start_main_~y~4 45), 132133#(<= ULTIMATE.start_main_~y~4 46), 132138#(<= ULTIMATE.start_main_~y~4 51), 132139#(<= ULTIMATE.start_main_~y~4 52), 132136#(<= ULTIMATE.start_main_~y~4 49), 132137#(<= ULTIMATE.start_main_~y~4 50), 132142#(<= ULTIMATE.start_main_~y~4 55), 132143#(<= ULTIMATE.start_main_~y~4 56), 132140#(<= ULTIMATE.start_main_~y~4 53), 132141#(<= ULTIMATE.start_main_~y~4 54), 132146#(<= ULTIMATE.start_main_~y~4 59), 132147#(<= ULTIMATE.start_main_~y~4 60), 132144#(<= ULTIMATE.start_main_~y~4 57), 132145#(<= ULTIMATE.start_main_~y~4 58), 132150#(<= ULTIMATE.start_main_~y~4 63), 132151#(<= ULTIMATE.start_main_~y~4 64), 132148#(<= ULTIMATE.start_main_~y~4 61), 132149#(<= ULTIMATE.start_main_~y~4 62), 132154#(<= ULTIMATE.start_main_~y~4 67), 132155#(<= ULTIMATE.start_main_~y~4 68), 132152#(<= ULTIMATE.start_main_~y~4 65), 132153#(<= ULTIMATE.start_main_~y~4 66), 132158#(<= ULTIMATE.start_main_~y~4 71), 132159#(<= ULTIMATE.start_main_~y~4 72), 132156#(<= ULTIMATE.start_main_~y~4 69), 132157#(<= ULTIMATE.start_main_~y~4 70), 132162#(<= ULTIMATE.start_main_~y~4 75), 132163#(<= ULTIMATE.start_main_~y~4 76), 132160#(<= ULTIMATE.start_main_~y~4 73), 132161#(<= ULTIMATE.start_main_~y~4 74), 132166#(<= ULTIMATE.start_main_~y~4 79), 132167#(<= ULTIMATE.start_main_~y~4 80), 132164#(<= ULTIMATE.start_main_~y~4 77), 132165#(<= ULTIMATE.start_main_~y~4 78), 132170#(<= ULTIMATE.start_main_~y~4 83), 132171#(<= ULTIMATE.start_main_~y~4 84), 132168#(<= ULTIMATE.start_main_~y~4 81), 132169#(<= ULTIMATE.start_main_~y~4 82), 132174#(<= ULTIMATE.start_main_~y~4 87), 132175#(<= ULTIMATE.start_main_~y~4 88), 132172#(<= ULTIMATE.start_main_~y~4 85), 132173#(<= ULTIMATE.start_main_~y~4 86), 132178#(<= ULTIMATE.start_main_~y~4 91), 132179#(<= ULTIMATE.start_main_~y~4 92), 132176#(<= ULTIMATE.start_main_~y~4 89), 132177#(<= ULTIMATE.start_main_~y~4 90), 132182#(<= ULTIMATE.start_main_~y~4 95), 132183#(<= ULTIMATE.start_main_~y~4 96), 132180#(<= ULTIMATE.start_main_~y~4 93), 132181#(<= ULTIMATE.start_main_~y~4 94), 132186#(<= ULTIMATE.start_main_~y~4 99), 132187#(<= ULTIMATE.start_main_~y~4 100), 132184#(<= ULTIMATE.start_main_~y~4 97), 132185#(<= ULTIMATE.start_main_~y~4 98), 132190#(<= ULTIMATE.start_main_~y~4 103), 132191#(<= ULTIMATE.start_main_~y~4 104), 132188#(<= ULTIMATE.start_main_~y~4 101), 132189#(<= ULTIMATE.start_main_~y~4 102), 132194#(<= ULTIMATE.start_main_~y~4 107), 132195#(<= ULTIMATE.start_main_~y~4 108), 132192#(<= ULTIMATE.start_main_~y~4 105), 132193#(<= ULTIMATE.start_main_~y~4 106), 132198#(<= ULTIMATE.start_main_~y~4 111), 132199#(<= ULTIMATE.start_main_~y~4 112), 132196#(<= ULTIMATE.start_main_~y~4 109), 132197#(<= ULTIMATE.start_main_~y~4 110), 132202#(<= ULTIMATE.start_main_~y~4 115), 132203#(<= ULTIMATE.start_main_~y~4 116), 132200#(<= ULTIMATE.start_main_~y~4 113), 132201#(<= ULTIMATE.start_main_~y~4 114), 132206#(<= ULTIMATE.start_main_~y~4 119), 132207#(<= ULTIMATE.start_main_~y~4 120), 132204#(<= ULTIMATE.start_main_~y~4 117), 132205#(<= ULTIMATE.start_main_~y~4 118), 132210#(<= ULTIMATE.start_main_~y~4 123), 132211#(<= ULTIMATE.start_main_~y~4 124), 132208#(<= ULTIMATE.start_main_~y~4 121), 132209#(<= ULTIMATE.start_main_~y~4 122), 132214#(<= ULTIMATE.start_main_~y~4 127), 132215#(<= ULTIMATE.start_main_~y~4 128), 132212#(<= ULTIMATE.start_main_~y~4 125), 132213#(<= ULTIMATE.start_main_~y~4 126), 132218#(<= ULTIMATE.start_main_~y~4 131), 132219#(<= ULTIMATE.start_main_~y~4 132), 132216#(<= ULTIMATE.start_main_~y~4 129), 132217#(<= ULTIMATE.start_main_~y~4 130), 132222#(<= ULTIMATE.start_main_~y~4 135), 132223#(<= ULTIMATE.start_main_~y~4 136), 132220#(<= ULTIMATE.start_main_~y~4 133), 132221#(<= ULTIMATE.start_main_~y~4 134), 132226#(<= ULTIMATE.start_main_~y~4 139), 132227#(<= ULTIMATE.start_main_~y~4 140), 132224#(<= ULTIMATE.start_main_~y~4 137), 132225#(<= ULTIMATE.start_main_~y~4 138), 132230#(<= ULTIMATE.start_main_~y~4 143), 132231#(<= ULTIMATE.start_main_~y~4 144), 132228#(<= ULTIMATE.start_main_~y~4 141), 132229#(<= ULTIMATE.start_main_~y~4 142), 132234#(<= ULTIMATE.start_main_~y~4 147), 132235#(<= ULTIMATE.start_main_~y~4 148), 132232#(<= ULTIMATE.start_main_~y~4 145), 132233#(<= ULTIMATE.start_main_~y~4 146), 132238#(<= ULTIMATE.start_main_~y~4 151), 132239#(<= ULTIMATE.start_main_~y~4 152), 132236#(<= ULTIMATE.start_main_~y~4 149), 132237#(<= ULTIMATE.start_main_~y~4 150), 132242#(<= ULTIMATE.start_main_~y~4 155), 132243#(<= ULTIMATE.start_main_~y~4 156), 132240#(<= ULTIMATE.start_main_~y~4 153), 132241#(<= ULTIMATE.start_main_~y~4 154), 132246#(<= ULTIMATE.start_main_~y~4 159), 132247#(<= ULTIMATE.start_main_~y~4 160), 132244#(<= ULTIMATE.start_main_~y~4 157), 132245#(<= ULTIMATE.start_main_~y~4 158), 132250#(<= ULTIMATE.start_main_~y~4 163), 132251#(<= ULTIMATE.start_main_~y~4 164), 132248#(<= ULTIMATE.start_main_~y~4 161), 132249#(<= ULTIMATE.start_main_~y~4 162), 132254#(<= ULTIMATE.start_main_~y~4 167), 132255#(<= ULTIMATE.start_main_~y~4 168), 132252#(<= ULTIMATE.start_main_~y~4 165), 132253#(<= ULTIMATE.start_main_~y~4 166), 132258#(<= ULTIMATE.start_main_~y~4 171), 132259#(<= ULTIMATE.start_main_~y~4 172), 132256#(<= ULTIMATE.start_main_~y~4 169), 132257#(<= ULTIMATE.start_main_~y~4 170), 132262#(<= ULTIMATE.start_main_~y~4 175), 132263#(<= ULTIMATE.start_main_~y~4 176), 132260#(<= ULTIMATE.start_main_~y~4 173), 132261#(<= ULTIMATE.start_main_~y~4 174), 132266#(<= ULTIMATE.start_main_~y~4 179), 132267#(<= ULTIMATE.start_main_~y~4 180), 132264#(<= ULTIMATE.start_main_~y~4 177), 132265#(<= ULTIMATE.start_main_~y~4 178), 132270#(<= ULTIMATE.start_main_~y~4 183), 132271#(<= ULTIMATE.start_main_~y~4 184), 132268#(<= ULTIMATE.start_main_~y~4 181), 132269#(<= ULTIMATE.start_main_~y~4 182), 132274#(<= ULTIMATE.start_main_~y~4 187), 132275#(<= ULTIMATE.start_main_~y~4 188), 132272#(<= ULTIMATE.start_main_~y~4 185), 132273#(<= ULTIMATE.start_main_~y~4 186), 132278#(<= ULTIMATE.start_main_~y~4 191), 132279#(<= ULTIMATE.start_main_~y~4 192), 132276#(<= ULTIMATE.start_main_~y~4 189), 132277#(<= ULTIMATE.start_main_~y~4 190), 132282#(<= ULTIMATE.start_main_~y~4 195), 132283#(<= ULTIMATE.start_main_~y~4 196), 132280#(<= ULTIMATE.start_main_~y~4 193), 132281#(<= ULTIMATE.start_main_~y~4 194), 132286#(<= ULTIMATE.start_main_~y~4 199), 132287#(<= ULTIMATE.start_main_~y~4 200), 132284#(<= ULTIMATE.start_main_~y~4 197), 132285#(<= ULTIMATE.start_main_~y~4 198), 132290#(<= ULTIMATE.start_main_~y~4 203), 132291#(<= ULTIMATE.start_main_~y~4 204), 132288#(<= ULTIMATE.start_main_~y~4 201), 132289#(<= ULTIMATE.start_main_~y~4 202), 132294#(<= ULTIMATE.start_main_~y~4 207), 132295#(<= ULTIMATE.start_main_~y~4 208), 132292#(<= ULTIMATE.start_main_~y~4 205), 132293#(<= ULTIMATE.start_main_~y~4 206), 132298#(<= ULTIMATE.start_main_~y~4 211), 132299#(<= ULTIMATE.start_main_~y~4 212), 132296#(<= ULTIMATE.start_main_~y~4 209), 132297#(<= ULTIMATE.start_main_~y~4 210), 132302#(<= ULTIMATE.start_main_~y~4 215), 132303#(<= ULTIMATE.start_main_~y~4 216), 132300#(<= ULTIMATE.start_main_~y~4 213), 132301#(<= ULTIMATE.start_main_~y~4 214), 132306#(<= ULTIMATE.start_main_~y~4 219), 132307#(<= ULTIMATE.start_main_~y~4 220), 132304#(<= ULTIMATE.start_main_~y~4 217), 132305#(<= ULTIMATE.start_main_~y~4 218), 132310#(<= ULTIMATE.start_main_~y~4 223), 132311#(<= ULTIMATE.start_main_~y~4 224), 132308#(<= ULTIMATE.start_main_~y~4 221), 132309#(<= ULTIMATE.start_main_~y~4 222), 132312#(<= ULTIMATE.start_main_~y~4 225), 132086#false, 132087#(<= ULTIMATE.start_main_~y~4 0), 132085#true, 132090#(<= ULTIMATE.start_main_~y~4 3), 132091#(<= ULTIMATE.start_main_~y~4 4), 132088#(<= ULTIMATE.start_main_~y~4 1), 132089#(<= ULTIMATE.start_main_~y~4 2), 132094#(<= ULTIMATE.start_main_~y~4 7), 132095#(<= ULTIMATE.start_main_~y~4 8), 132092#(<= ULTIMATE.start_main_~y~4 5), 132093#(<= ULTIMATE.start_main_~y~4 6)] [2018-07-23 13:40:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 25425 backedges. 0 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:21,485 INFO L450 AbstractCegarLoop]: Interpolant automaton has 228 states [2018-07-23 13:40:21,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2018-07-23 13:40:21,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:40:21,492 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 228 states. [2018-07-23 13:40:23,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:23,423 INFO L93 Difference]: Finished difference Result 232 states and 232 transitions. [2018-07-23 13:40:23,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2018-07-23 13:40:23,424 INFO L78 Accepts]: Start accepts. Automaton has 228 states. Word has length 228 [2018-07-23 13:40:23,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:23,424 INFO L225 Difference]: With dead ends: 232 [2018-07-23 13:40:23,424 INFO L226 Difference]: Without dead ends: 230 [2018-07-23 13:40:23,426 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:40:23,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-07-23 13:40:23,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2018-07-23 13:40:23,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-07-23 13:40:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 230 transitions. [2018-07-23 13:40:23,429 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 230 transitions. Word has length 228 [2018-07-23 13:40:23,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:23,429 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 230 transitions. [2018-07-23 13:40:23,429 INFO L472 AbstractCegarLoop]: Interpolant automaton has 228 states. [2018-07-23 13:40:23,429 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 230 transitions. [2018-07-23 13:40:23,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-07-23 13:40:23,429 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:23,430 INFO L357 BasicCegarLoop]: trace histogram [226, 1, 1, 1] [2018-07-23 13:40:23,430 INFO L414 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:23,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1599856605, now seen corresponding path program 226 times [2018-07-23 13:40:23,430 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 25651 backedges. 0 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:24,625 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:24,625 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [228] total 228 [2018-07-23 13:40:24,625 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:24,626 INFO L185 omatonBuilderFactory]: Interpolants [133238#false, 133239#(<= ULTIMATE.start_main_~y~4 0), 133237#true, 133242#(<= ULTIMATE.start_main_~y~4 3), 133243#(<= ULTIMATE.start_main_~y~4 4), 133240#(<= ULTIMATE.start_main_~y~4 1), 133241#(<= ULTIMATE.start_main_~y~4 2), 133246#(<= ULTIMATE.start_main_~y~4 7), 133247#(<= ULTIMATE.start_main_~y~4 8), 133244#(<= ULTIMATE.start_main_~y~4 5), 133245#(<= ULTIMATE.start_main_~y~4 6), 133250#(<= ULTIMATE.start_main_~y~4 11), 133251#(<= ULTIMATE.start_main_~y~4 12), 133248#(<= ULTIMATE.start_main_~y~4 9), 133249#(<= ULTIMATE.start_main_~y~4 10), 133254#(<= ULTIMATE.start_main_~y~4 15), 133255#(<= ULTIMATE.start_main_~y~4 16), 133252#(<= ULTIMATE.start_main_~y~4 13), 133253#(<= ULTIMATE.start_main_~y~4 14), 133258#(<= ULTIMATE.start_main_~y~4 19), 133259#(<= ULTIMATE.start_main_~y~4 20), 133256#(<= ULTIMATE.start_main_~y~4 17), 133257#(<= ULTIMATE.start_main_~y~4 18), 133262#(<= ULTIMATE.start_main_~y~4 23), 133263#(<= ULTIMATE.start_main_~y~4 24), 133260#(<= ULTIMATE.start_main_~y~4 21), 133261#(<= ULTIMATE.start_main_~y~4 22), 133266#(<= ULTIMATE.start_main_~y~4 27), 133267#(<= ULTIMATE.start_main_~y~4 28), 133264#(<= ULTIMATE.start_main_~y~4 25), 133265#(<= ULTIMATE.start_main_~y~4 26), 133270#(<= ULTIMATE.start_main_~y~4 31), 133271#(<= ULTIMATE.start_main_~y~4 32), 133268#(<= ULTIMATE.start_main_~y~4 29), 133269#(<= ULTIMATE.start_main_~y~4 30), 133274#(<= ULTIMATE.start_main_~y~4 35), 133275#(<= ULTIMATE.start_main_~y~4 36), 133272#(<= ULTIMATE.start_main_~y~4 33), 133273#(<= ULTIMATE.start_main_~y~4 34), 133278#(<= ULTIMATE.start_main_~y~4 39), 133279#(<= ULTIMATE.start_main_~y~4 40), 133276#(<= ULTIMATE.start_main_~y~4 37), 133277#(<= ULTIMATE.start_main_~y~4 38), 133282#(<= ULTIMATE.start_main_~y~4 43), 133283#(<= ULTIMATE.start_main_~y~4 44), 133280#(<= ULTIMATE.start_main_~y~4 41), 133281#(<= ULTIMATE.start_main_~y~4 42), 133286#(<= ULTIMATE.start_main_~y~4 47), 133287#(<= ULTIMATE.start_main_~y~4 48), 133284#(<= ULTIMATE.start_main_~y~4 45), 133285#(<= ULTIMATE.start_main_~y~4 46), 133290#(<= ULTIMATE.start_main_~y~4 51), 133291#(<= ULTIMATE.start_main_~y~4 52), 133288#(<= ULTIMATE.start_main_~y~4 49), 133289#(<= ULTIMATE.start_main_~y~4 50), 133294#(<= ULTIMATE.start_main_~y~4 55), 133295#(<= ULTIMATE.start_main_~y~4 56), 133292#(<= ULTIMATE.start_main_~y~4 53), 133293#(<= ULTIMATE.start_main_~y~4 54), 133298#(<= ULTIMATE.start_main_~y~4 59), 133299#(<= ULTIMATE.start_main_~y~4 60), 133296#(<= ULTIMATE.start_main_~y~4 57), 133297#(<= ULTIMATE.start_main_~y~4 58), 133302#(<= ULTIMATE.start_main_~y~4 63), 133303#(<= ULTIMATE.start_main_~y~4 64), 133300#(<= ULTIMATE.start_main_~y~4 61), 133301#(<= ULTIMATE.start_main_~y~4 62), 133306#(<= ULTIMATE.start_main_~y~4 67), 133307#(<= ULTIMATE.start_main_~y~4 68), 133304#(<= ULTIMATE.start_main_~y~4 65), 133305#(<= ULTIMATE.start_main_~y~4 66), 133310#(<= ULTIMATE.start_main_~y~4 71), 133311#(<= ULTIMATE.start_main_~y~4 72), 133308#(<= ULTIMATE.start_main_~y~4 69), 133309#(<= ULTIMATE.start_main_~y~4 70), 133314#(<= ULTIMATE.start_main_~y~4 75), 133315#(<= ULTIMATE.start_main_~y~4 76), 133312#(<= ULTIMATE.start_main_~y~4 73), 133313#(<= ULTIMATE.start_main_~y~4 74), 133318#(<= ULTIMATE.start_main_~y~4 79), 133319#(<= ULTIMATE.start_main_~y~4 80), 133316#(<= ULTIMATE.start_main_~y~4 77), 133317#(<= ULTIMATE.start_main_~y~4 78), 133322#(<= ULTIMATE.start_main_~y~4 83), 133323#(<= ULTIMATE.start_main_~y~4 84), 133320#(<= ULTIMATE.start_main_~y~4 81), 133321#(<= ULTIMATE.start_main_~y~4 82), 133326#(<= ULTIMATE.start_main_~y~4 87), 133327#(<= ULTIMATE.start_main_~y~4 88), 133324#(<= ULTIMATE.start_main_~y~4 85), 133325#(<= ULTIMATE.start_main_~y~4 86), 133330#(<= ULTIMATE.start_main_~y~4 91), 133331#(<= ULTIMATE.start_main_~y~4 92), 133328#(<= ULTIMATE.start_main_~y~4 89), 133329#(<= ULTIMATE.start_main_~y~4 90), 133334#(<= ULTIMATE.start_main_~y~4 95), 133335#(<= ULTIMATE.start_main_~y~4 96), 133332#(<= ULTIMATE.start_main_~y~4 93), 133333#(<= ULTIMATE.start_main_~y~4 94), 133338#(<= ULTIMATE.start_main_~y~4 99), 133339#(<= ULTIMATE.start_main_~y~4 100), 133336#(<= ULTIMATE.start_main_~y~4 97), 133337#(<= ULTIMATE.start_main_~y~4 98), 133342#(<= ULTIMATE.start_main_~y~4 103), 133343#(<= ULTIMATE.start_main_~y~4 104), 133340#(<= ULTIMATE.start_main_~y~4 101), 133341#(<= ULTIMATE.start_main_~y~4 102), 133346#(<= ULTIMATE.start_main_~y~4 107), 133347#(<= ULTIMATE.start_main_~y~4 108), 133344#(<= ULTIMATE.start_main_~y~4 105), 133345#(<= ULTIMATE.start_main_~y~4 106), 133350#(<= ULTIMATE.start_main_~y~4 111), 133351#(<= ULTIMATE.start_main_~y~4 112), 133348#(<= ULTIMATE.start_main_~y~4 109), 133349#(<= ULTIMATE.start_main_~y~4 110), 133354#(<= ULTIMATE.start_main_~y~4 115), 133355#(<= ULTIMATE.start_main_~y~4 116), 133352#(<= ULTIMATE.start_main_~y~4 113), 133353#(<= ULTIMATE.start_main_~y~4 114), 133358#(<= ULTIMATE.start_main_~y~4 119), 133359#(<= ULTIMATE.start_main_~y~4 120), 133356#(<= ULTIMATE.start_main_~y~4 117), 133357#(<= ULTIMATE.start_main_~y~4 118), 133362#(<= ULTIMATE.start_main_~y~4 123), 133363#(<= ULTIMATE.start_main_~y~4 124), 133360#(<= ULTIMATE.start_main_~y~4 121), 133361#(<= ULTIMATE.start_main_~y~4 122), 133366#(<= ULTIMATE.start_main_~y~4 127), 133367#(<= ULTIMATE.start_main_~y~4 128), 133364#(<= ULTIMATE.start_main_~y~4 125), 133365#(<= ULTIMATE.start_main_~y~4 126), 133370#(<= ULTIMATE.start_main_~y~4 131), 133371#(<= ULTIMATE.start_main_~y~4 132), 133368#(<= ULTIMATE.start_main_~y~4 129), 133369#(<= ULTIMATE.start_main_~y~4 130), 133374#(<= ULTIMATE.start_main_~y~4 135), 133375#(<= ULTIMATE.start_main_~y~4 136), 133372#(<= ULTIMATE.start_main_~y~4 133), 133373#(<= ULTIMATE.start_main_~y~4 134), 133378#(<= ULTIMATE.start_main_~y~4 139), 133379#(<= ULTIMATE.start_main_~y~4 140), 133376#(<= ULTIMATE.start_main_~y~4 137), 133377#(<= ULTIMATE.start_main_~y~4 138), 133382#(<= ULTIMATE.start_main_~y~4 143), 133383#(<= ULTIMATE.start_main_~y~4 144), 133380#(<= ULTIMATE.start_main_~y~4 141), 133381#(<= ULTIMATE.start_main_~y~4 142), 133386#(<= ULTIMATE.start_main_~y~4 147), 133387#(<= ULTIMATE.start_main_~y~4 148), 133384#(<= ULTIMATE.start_main_~y~4 145), 133385#(<= ULTIMATE.start_main_~y~4 146), 133390#(<= ULTIMATE.start_main_~y~4 151), 133391#(<= ULTIMATE.start_main_~y~4 152), 133388#(<= ULTIMATE.start_main_~y~4 149), 133389#(<= ULTIMATE.start_main_~y~4 150), 133394#(<= ULTIMATE.start_main_~y~4 155), 133395#(<= ULTIMATE.start_main_~y~4 156), 133392#(<= ULTIMATE.start_main_~y~4 153), 133393#(<= ULTIMATE.start_main_~y~4 154), 133398#(<= ULTIMATE.start_main_~y~4 159), 133399#(<= ULTIMATE.start_main_~y~4 160), 133396#(<= ULTIMATE.start_main_~y~4 157), 133397#(<= ULTIMATE.start_main_~y~4 158), 133402#(<= ULTIMATE.start_main_~y~4 163), 133403#(<= ULTIMATE.start_main_~y~4 164), 133400#(<= ULTIMATE.start_main_~y~4 161), 133401#(<= ULTIMATE.start_main_~y~4 162), 133406#(<= ULTIMATE.start_main_~y~4 167), 133407#(<= ULTIMATE.start_main_~y~4 168), 133404#(<= ULTIMATE.start_main_~y~4 165), 133405#(<= ULTIMATE.start_main_~y~4 166), 133410#(<= ULTIMATE.start_main_~y~4 171), 133411#(<= ULTIMATE.start_main_~y~4 172), 133408#(<= ULTIMATE.start_main_~y~4 169), 133409#(<= ULTIMATE.start_main_~y~4 170), 133414#(<= ULTIMATE.start_main_~y~4 175), 133415#(<= ULTIMATE.start_main_~y~4 176), 133412#(<= ULTIMATE.start_main_~y~4 173), 133413#(<= ULTIMATE.start_main_~y~4 174), 133418#(<= ULTIMATE.start_main_~y~4 179), 133419#(<= ULTIMATE.start_main_~y~4 180), 133416#(<= ULTIMATE.start_main_~y~4 177), 133417#(<= ULTIMATE.start_main_~y~4 178), 133422#(<= ULTIMATE.start_main_~y~4 183), 133423#(<= ULTIMATE.start_main_~y~4 184), 133420#(<= ULTIMATE.start_main_~y~4 181), 133421#(<= ULTIMATE.start_main_~y~4 182), 133426#(<= ULTIMATE.start_main_~y~4 187), 133427#(<= ULTIMATE.start_main_~y~4 188), 133424#(<= ULTIMATE.start_main_~y~4 185), 133425#(<= ULTIMATE.start_main_~y~4 186), 133430#(<= ULTIMATE.start_main_~y~4 191), 133431#(<= ULTIMATE.start_main_~y~4 192), 133428#(<= ULTIMATE.start_main_~y~4 189), 133429#(<= ULTIMATE.start_main_~y~4 190), 133434#(<= ULTIMATE.start_main_~y~4 195), 133435#(<= ULTIMATE.start_main_~y~4 196), 133432#(<= ULTIMATE.start_main_~y~4 193), 133433#(<= ULTIMATE.start_main_~y~4 194), 133438#(<= ULTIMATE.start_main_~y~4 199), 133439#(<= ULTIMATE.start_main_~y~4 200), 133436#(<= ULTIMATE.start_main_~y~4 197), 133437#(<= ULTIMATE.start_main_~y~4 198), 133442#(<= ULTIMATE.start_main_~y~4 203), 133443#(<= ULTIMATE.start_main_~y~4 204), 133440#(<= ULTIMATE.start_main_~y~4 201), 133441#(<= ULTIMATE.start_main_~y~4 202), 133446#(<= ULTIMATE.start_main_~y~4 207), 133447#(<= ULTIMATE.start_main_~y~4 208), 133444#(<= ULTIMATE.start_main_~y~4 205), 133445#(<= ULTIMATE.start_main_~y~4 206), 133450#(<= ULTIMATE.start_main_~y~4 211), 133451#(<= ULTIMATE.start_main_~y~4 212), 133448#(<= ULTIMATE.start_main_~y~4 209), 133449#(<= ULTIMATE.start_main_~y~4 210), 133454#(<= ULTIMATE.start_main_~y~4 215), 133455#(<= ULTIMATE.start_main_~y~4 216), 133452#(<= ULTIMATE.start_main_~y~4 213), 133453#(<= ULTIMATE.start_main_~y~4 214), 133458#(<= ULTIMATE.start_main_~y~4 219), 133459#(<= ULTIMATE.start_main_~y~4 220), 133456#(<= ULTIMATE.start_main_~y~4 217), 133457#(<= ULTIMATE.start_main_~y~4 218), 133462#(<= ULTIMATE.start_main_~y~4 223), 133463#(<= ULTIMATE.start_main_~y~4 224), 133460#(<= ULTIMATE.start_main_~y~4 221), 133461#(<= ULTIMATE.start_main_~y~4 222), 133464#(<= ULTIMATE.start_main_~y~4 225), 133465#(<= ULTIMATE.start_main_~y~4 226)] [2018-07-23 13:40:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 25651 backedges. 0 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:24,627 INFO L450 AbstractCegarLoop]: Interpolant automaton has 229 states [2018-07-23 13:40:24,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2018-07-23 13:40:24,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:40:24,630 INFO L87 Difference]: Start difference. First operand 230 states and 230 transitions. Second operand 229 states. [2018-07-23 13:40:25,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:25,580 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:40:25,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2018-07-23 13:40:25,580 INFO L78 Accepts]: Start accepts. Automaton has 229 states. Word has length 229 [2018-07-23 13:40:25,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:25,581 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:40:25,581 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:40:25,582 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:40:25,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:40:25,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:40:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:40:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:40:25,584 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 229 [2018-07-23 13:40:25,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:25,584 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:40:25,585 INFO L472 AbstractCegarLoop]: Interpolant automaton has 229 states. [2018-07-23 13:40:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:40:25,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:40:25,585 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:25,585 INFO L357 BasicCegarLoop]: trace histogram [227, 1, 1, 1] [2018-07-23 13:40:25,585 INFO L414 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:25,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1944054604, now seen corresponding path program 227 times [2018-07-23 13:40:25,585 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 25878 backedges. 0 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:26,874 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:26,874 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [229] total 229 [2018-07-23 13:40:26,874 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:26,874 INFO L185 omatonBuilderFactory]: Interpolants [134394#true, 134395#false, 134398#(<= ULTIMATE.start_main_~y~4 2), 134399#(<= ULTIMATE.start_main_~y~4 3), 134396#(<= ULTIMATE.start_main_~y~4 0), 134397#(<= ULTIMATE.start_main_~y~4 1), 134402#(<= ULTIMATE.start_main_~y~4 6), 134403#(<= ULTIMATE.start_main_~y~4 7), 134400#(<= ULTIMATE.start_main_~y~4 4), 134401#(<= ULTIMATE.start_main_~y~4 5), 134406#(<= ULTIMATE.start_main_~y~4 10), 134407#(<= ULTIMATE.start_main_~y~4 11), 134404#(<= ULTIMATE.start_main_~y~4 8), 134405#(<= ULTIMATE.start_main_~y~4 9), 134410#(<= ULTIMATE.start_main_~y~4 14), 134411#(<= ULTIMATE.start_main_~y~4 15), 134408#(<= ULTIMATE.start_main_~y~4 12), 134409#(<= ULTIMATE.start_main_~y~4 13), 134414#(<= ULTIMATE.start_main_~y~4 18), 134415#(<= ULTIMATE.start_main_~y~4 19), 134412#(<= ULTIMATE.start_main_~y~4 16), 134413#(<= ULTIMATE.start_main_~y~4 17), 134418#(<= ULTIMATE.start_main_~y~4 22), 134419#(<= ULTIMATE.start_main_~y~4 23), 134416#(<= ULTIMATE.start_main_~y~4 20), 134417#(<= ULTIMATE.start_main_~y~4 21), 134422#(<= ULTIMATE.start_main_~y~4 26), 134423#(<= ULTIMATE.start_main_~y~4 27), 134420#(<= ULTIMATE.start_main_~y~4 24), 134421#(<= ULTIMATE.start_main_~y~4 25), 134426#(<= ULTIMATE.start_main_~y~4 30), 134427#(<= ULTIMATE.start_main_~y~4 31), 134424#(<= ULTIMATE.start_main_~y~4 28), 134425#(<= ULTIMATE.start_main_~y~4 29), 134430#(<= ULTIMATE.start_main_~y~4 34), 134431#(<= ULTIMATE.start_main_~y~4 35), 134428#(<= ULTIMATE.start_main_~y~4 32), 134429#(<= ULTIMATE.start_main_~y~4 33), 134434#(<= ULTIMATE.start_main_~y~4 38), 134435#(<= ULTIMATE.start_main_~y~4 39), 134432#(<= ULTIMATE.start_main_~y~4 36), 134433#(<= ULTIMATE.start_main_~y~4 37), 134438#(<= ULTIMATE.start_main_~y~4 42), 134439#(<= ULTIMATE.start_main_~y~4 43), 134436#(<= ULTIMATE.start_main_~y~4 40), 134437#(<= ULTIMATE.start_main_~y~4 41), 134442#(<= ULTIMATE.start_main_~y~4 46), 134443#(<= ULTIMATE.start_main_~y~4 47), 134440#(<= ULTIMATE.start_main_~y~4 44), 134441#(<= ULTIMATE.start_main_~y~4 45), 134446#(<= ULTIMATE.start_main_~y~4 50), 134447#(<= ULTIMATE.start_main_~y~4 51), 134444#(<= ULTIMATE.start_main_~y~4 48), 134445#(<= ULTIMATE.start_main_~y~4 49), 134450#(<= ULTIMATE.start_main_~y~4 54), 134451#(<= ULTIMATE.start_main_~y~4 55), 134448#(<= ULTIMATE.start_main_~y~4 52), 134449#(<= ULTIMATE.start_main_~y~4 53), 134454#(<= ULTIMATE.start_main_~y~4 58), 134455#(<= ULTIMATE.start_main_~y~4 59), 134452#(<= ULTIMATE.start_main_~y~4 56), 134453#(<= ULTIMATE.start_main_~y~4 57), 134458#(<= ULTIMATE.start_main_~y~4 62), 134459#(<= ULTIMATE.start_main_~y~4 63), 134456#(<= ULTIMATE.start_main_~y~4 60), 134457#(<= ULTIMATE.start_main_~y~4 61), 134462#(<= ULTIMATE.start_main_~y~4 66), 134463#(<= ULTIMATE.start_main_~y~4 67), 134460#(<= ULTIMATE.start_main_~y~4 64), 134461#(<= ULTIMATE.start_main_~y~4 65), 134466#(<= ULTIMATE.start_main_~y~4 70), 134467#(<= ULTIMATE.start_main_~y~4 71), 134464#(<= ULTIMATE.start_main_~y~4 68), 134465#(<= ULTIMATE.start_main_~y~4 69), 134470#(<= ULTIMATE.start_main_~y~4 74), 134471#(<= ULTIMATE.start_main_~y~4 75), 134468#(<= ULTIMATE.start_main_~y~4 72), 134469#(<= ULTIMATE.start_main_~y~4 73), 134474#(<= ULTIMATE.start_main_~y~4 78), 134475#(<= ULTIMATE.start_main_~y~4 79), 134472#(<= ULTIMATE.start_main_~y~4 76), 134473#(<= ULTIMATE.start_main_~y~4 77), 134478#(<= ULTIMATE.start_main_~y~4 82), 134479#(<= ULTIMATE.start_main_~y~4 83), 134476#(<= ULTIMATE.start_main_~y~4 80), 134477#(<= ULTIMATE.start_main_~y~4 81), 134482#(<= ULTIMATE.start_main_~y~4 86), 134483#(<= ULTIMATE.start_main_~y~4 87), 134480#(<= ULTIMATE.start_main_~y~4 84), 134481#(<= ULTIMATE.start_main_~y~4 85), 134486#(<= ULTIMATE.start_main_~y~4 90), 134487#(<= ULTIMATE.start_main_~y~4 91), 134484#(<= ULTIMATE.start_main_~y~4 88), 134485#(<= ULTIMATE.start_main_~y~4 89), 134490#(<= ULTIMATE.start_main_~y~4 94), 134491#(<= ULTIMATE.start_main_~y~4 95), 134488#(<= ULTIMATE.start_main_~y~4 92), 134489#(<= ULTIMATE.start_main_~y~4 93), 134494#(<= ULTIMATE.start_main_~y~4 98), 134495#(<= ULTIMATE.start_main_~y~4 99), 134492#(<= ULTIMATE.start_main_~y~4 96), 134493#(<= ULTIMATE.start_main_~y~4 97), 134498#(<= ULTIMATE.start_main_~y~4 102), 134499#(<= ULTIMATE.start_main_~y~4 103), 134496#(<= ULTIMATE.start_main_~y~4 100), 134497#(<= ULTIMATE.start_main_~y~4 101), 134502#(<= ULTIMATE.start_main_~y~4 106), 134503#(<= ULTIMATE.start_main_~y~4 107), 134500#(<= ULTIMATE.start_main_~y~4 104), 134501#(<= ULTIMATE.start_main_~y~4 105), 134506#(<= ULTIMATE.start_main_~y~4 110), 134507#(<= ULTIMATE.start_main_~y~4 111), 134504#(<= ULTIMATE.start_main_~y~4 108), 134505#(<= ULTIMATE.start_main_~y~4 109), 134510#(<= ULTIMATE.start_main_~y~4 114), 134511#(<= ULTIMATE.start_main_~y~4 115), 134508#(<= ULTIMATE.start_main_~y~4 112), 134509#(<= ULTIMATE.start_main_~y~4 113), 134514#(<= ULTIMATE.start_main_~y~4 118), 134515#(<= ULTIMATE.start_main_~y~4 119), 134512#(<= ULTIMATE.start_main_~y~4 116), 134513#(<= ULTIMATE.start_main_~y~4 117), 134518#(<= ULTIMATE.start_main_~y~4 122), 134519#(<= ULTIMATE.start_main_~y~4 123), 134516#(<= ULTIMATE.start_main_~y~4 120), 134517#(<= ULTIMATE.start_main_~y~4 121), 134522#(<= ULTIMATE.start_main_~y~4 126), 134523#(<= ULTIMATE.start_main_~y~4 127), 134520#(<= ULTIMATE.start_main_~y~4 124), 134521#(<= ULTIMATE.start_main_~y~4 125), 134526#(<= ULTIMATE.start_main_~y~4 130), 134527#(<= ULTIMATE.start_main_~y~4 131), 134524#(<= ULTIMATE.start_main_~y~4 128), 134525#(<= ULTIMATE.start_main_~y~4 129), 134530#(<= ULTIMATE.start_main_~y~4 134), 134531#(<= ULTIMATE.start_main_~y~4 135), 134528#(<= ULTIMATE.start_main_~y~4 132), 134529#(<= ULTIMATE.start_main_~y~4 133), 134534#(<= ULTIMATE.start_main_~y~4 138), 134535#(<= ULTIMATE.start_main_~y~4 139), 134532#(<= ULTIMATE.start_main_~y~4 136), 134533#(<= ULTIMATE.start_main_~y~4 137), 134538#(<= ULTIMATE.start_main_~y~4 142), 134539#(<= ULTIMATE.start_main_~y~4 143), 134536#(<= ULTIMATE.start_main_~y~4 140), 134537#(<= ULTIMATE.start_main_~y~4 141), 134542#(<= ULTIMATE.start_main_~y~4 146), 134543#(<= ULTIMATE.start_main_~y~4 147), 134540#(<= ULTIMATE.start_main_~y~4 144), 134541#(<= ULTIMATE.start_main_~y~4 145), 134546#(<= ULTIMATE.start_main_~y~4 150), 134547#(<= ULTIMATE.start_main_~y~4 151), 134544#(<= ULTIMATE.start_main_~y~4 148), 134545#(<= ULTIMATE.start_main_~y~4 149), 134550#(<= ULTIMATE.start_main_~y~4 154), 134551#(<= ULTIMATE.start_main_~y~4 155), 134548#(<= ULTIMATE.start_main_~y~4 152), 134549#(<= ULTIMATE.start_main_~y~4 153), 134554#(<= ULTIMATE.start_main_~y~4 158), 134555#(<= ULTIMATE.start_main_~y~4 159), 134552#(<= ULTIMATE.start_main_~y~4 156), 134553#(<= ULTIMATE.start_main_~y~4 157), 134558#(<= ULTIMATE.start_main_~y~4 162), 134559#(<= ULTIMATE.start_main_~y~4 163), 134556#(<= ULTIMATE.start_main_~y~4 160), 134557#(<= ULTIMATE.start_main_~y~4 161), 134562#(<= ULTIMATE.start_main_~y~4 166), 134563#(<= ULTIMATE.start_main_~y~4 167), 134560#(<= ULTIMATE.start_main_~y~4 164), 134561#(<= ULTIMATE.start_main_~y~4 165), 134566#(<= ULTIMATE.start_main_~y~4 170), 134567#(<= ULTIMATE.start_main_~y~4 171), 134564#(<= ULTIMATE.start_main_~y~4 168), 134565#(<= ULTIMATE.start_main_~y~4 169), 134570#(<= ULTIMATE.start_main_~y~4 174), 134571#(<= ULTIMATE.start_main_~y~4 175), 134568#(<= ULTIMATE.start_main_~y~4 172), 134569#(<= ULTIMATE.start_main_~y~4 173), 134574#(<= ULTIMATE.start_main_~y~4 178), 134575#(<= ULTIMATE.start_main_~y~4 179), 134572#(<= ULTIMATE.start_main_~y~4 176), 134573#(<= ULTIMATE.start_main_~y~4 177), 134578#(<= ULTIMATE.start_main_~y~4 182), 134579#(<= ULTIMATE.start_main_~y~4 183), 134576#(<= ULTIMATE.start_main_~y~4 180), 134577#(<= ULTIMATE.start_main_~y~4 181), 134582#(<= ULTIMATE.start_main_~y~4 186), 134583#(<= ULTIMATE.start_main_~y~4 187), 134580#(<= ULTIMATE.start_main_~y~4 184), 134581#(<= ULTIMATE.start_main_~y~4 185), 134586#(<= ULTIMATE.start_main_~y~4 190), 134587#(<= ULTIMATE.start_main_~y~4 191), 134584#(<= ULTIMATE.start_main_~y~4 188), 134585#(<= ULTIMATE.start_main_~y~4 189), 134590#(<= ULTIMATE.start_main_~y~4 194), 134591#(<= ULTIMATE.start_main_~y~4 195), 134588#(<= ULTIMATE.start_main_~y~4 192), 134589#(<= ULTIMATE.start_main_~y~4 193), 134594#(<= ULTIMATE.start_main_~y~4 198), 134595#(<= ULTIMATE.start_main_~y~4 199), 134592#(<= ULTIMATE.start_main_~y~4 196), 134593#(<= ULTIMATE.start_main_~y~4 197), 134598#(<= ULTIMATE.start_main_~y~4 202), 134599#(<= ULTIMATE.start_main_~y~4 203), 134596#(<= ULTIMATE.start_main_~y~4 200), 134597#(<= ULTIMATE.start_main_~y~4 201), 134602#(<= ULTIMATE.start_main_~y~4 206), 134603#(<= ULTIMATE.start_main_~y~4 207), 134600#(<= ULTIMATE.start_main_~y~4 204), 134601#(<= ULTIMATE.start_main_~y~4 205), 134606#(<= ULTIMATE.start_main_~y~4 210), 134607#(<= ULTIMATE.start_main_~y~4 211), 134604#(<= ULTIMATE.start_main_~y~4 208), 134605#(<= ULTIMATE.start_main_~y~4 209), 134610#(<= ULTIMATE.start_main_~y~4 214), 134611#(<= ULTIMATE.start_main_~y~4 215), 134608#(<= ULTIMATE.start_main_~y~4 212), 134609#(<= ULTIMATE.start_main_~y~4 213), 134614#(<= ULTIMATE.start_main_~y~4 218), 134615#(<= ULTIMATE.start_main_~y~4 219), 134612#(<= ULTIMATE.start_main_~y~4 216), 134613#(<= ULTIMATE.start_main_~y~4 217), 134618#(<= ULTIMATE.start_main_~y~4 222), 134619#(<= ULTIMATE.start_main_~y~4 223), 134616#(<= ULTIMATE.start_main_~y~4 220), 134617#(<= ULTIMATE.start_main_~y~4 221), 134622#(<= ULTIMATE.start_main_~y~4 226), 134623#(<= ULTIMATE.start_main_~y~4 227), 134620#(<= ULTIMATE.start_main_~y~4 224), 134621#(<= ULTIMATE.start_main_~y~4 225)] [2018-07-23 13:40:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 25878 backedges. 0 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:26,876 INFO L450 AbstractCegarLoop]: Interpolant automaton has 230 states [2018-07-23 13:40:26,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2018-07-23 13:40:26,882 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:40:26,882 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 230 states. [2018-07-23 13:40:29,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:29,002 INFO L93 Difference]: Finished difference Result 234 states and 234 transitions. [2018-07-23 13:40:29,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2018-07-23 13:40:29,002 INFO L78 Accepts]: Start accepts. Automaton has 230 states. Word has length 230 [2018-07-23 13:40:29,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:29,003 INFO L225 Difference]: With dead ends: 234 [2018-07-23 13:40:29,003 INFO L226 Difference]: Without dead ends: 232 [2018-07-23 13:40:29,006 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:40:29,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-07-23 13:40:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2018-07-23 13:40:29,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-07-23 13:40:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 232 transitions. [2018-07-23 13:40:29,009 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 232 transitions. Word has length 230 [2018-07-23 13:40:29,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:29,009 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 232 transitions. [2018-07-23 13:40:29,010 INFO L472 AbstractCegarLoop]: Interpolant automaton has 230 states. [2018-07-23 13:40:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 232 transitions. [2018-07-23 13:40:29,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-07-23 13:40:29,010 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:29,010 INFO L357 BasicCegarLoop]: trace histogram [228, 1, 1, 1] [2018-07-23 13:40:29,010 INFO L414 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:29,010 INFO L82 PathProgramCache]: Analyzing trace with hash 136152387, now seen corresponding path program 228 times [2018-07-23 13:40:29,011 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 26106 backedges. 0 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:30,323 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:30,323 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [230] total 230 [2018-07-23 13:40:30,324 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:30,324 INFO L185 omatonBuilderFactory]: Interpolants [135682#(<= ULTIMATE.start_main_~y~4 124), 135683#(<= ULTIMATE.start_main_~y~4 125), 135680#(<= ULTIMATE.start_main_~y~4 122), 135681#(<= ULTIMATE.start_main_~y~4 123), 135686#(<= ULTIMATE.start_main_~y~4 128), 135687#(<= ULTIMATE.start_main_~y~4 129), 135684#(<= ULTIMATE.start_main_~y~4 126), 135685#(<= ULTIMATE.start_main_~y~4 127), 135690#(<= ULTIMATE.start_main_~y~4 132), 135691#(<= ULTIMATE.start_main_~y~4 133), 135688#(<= ULTIMATE.start_main_~y~4 130), 135689#(<= ULTIMATE.start_main_~y~4 131), 135694#(<= ULTIMATE.start_main_~y~4 136), 135695#(<= ULTIMATE.start_main_~y~4 137), 135692#(<= ULTIMATE.start_main_~y~4 134), 135693#(<= ULTIMATE.start_main_~y~4 135), 135698#(<= ULTIMATE.start_main_~y~4 140), 135699#(<= ULTIMATE.start_main_~y~4 141), 135696#(<= ULTIMATE.start_main_~y~4 138), 135697#(<= ULTIMATE.start_main_~y~4 139), 135702#(<= ULTIMATE.start_main_~y~4 144), 135703#(<= ULTIMATE.start_main_~y~4 145), 135700#(<= ULTIMATE.start_main_~y~4 142), 135701#(<= ULTIMATE.start_main_~y~4 143), 135706#(<= ULTIMATE.start_main_~y~4 148), 135707#(<= ULTIMATE.start_main_~y~4 149), 135704#(<= ULTIMATE.start_main_~y~4 146), 135705#(<= ULTIMATE.start_main_~y~4 147), 135710#(<= ULTIMATE.start_main_~y~4 152), 135711#(<= ULTIMATE.start_main_~y~4 153), 135708#(<= ULTIMATE.start_main_~y~4 150), 135709#(<= ULTIMATE.start_main_~y~4 151), 135714#(<= ULTIMATE.start_main_~y~4 156), 135715#(<= ULTIMATE.start_main_~y~4 157), 135712#(<= ULTIMATE.start_main_~y~4 154), 135713#(<= ULTIMATE.start_main_~y~4 155), 135718#(<= ULTIMATE.start_main_~y~4 160), 135719#(<= ULTIMATE.start_main_~y~4 161), 135716#(<= ULTIMATE.start_main_~y~4 158), 135717#(<= ULTIMATE.start_main_~y~4 159), 135722#(<= ULTIMATE.start_main_~y~4 164), 135723#(<= ULTIMATE.start_main_~y~4 165), 135720#(<= ULTIMATE.start_main_~y~4 162), 135721#(<= ULTIMATE.start_main_~y~4 163), 135726#(<= ULTIMATE.start_main_~y~4 168), 135727#(<= ULTIMATE.start_main_~y~4 169), 135724#(<= ULTIMATE.start_main_~y~4 166), 135725#(<= ULTIMATE.start_main_~y~4 167), 135730#(<= ULTIMATE.start_main_~y~4 172), 135731#(<= ULTIMATE.start_main_~y~4 173), 135728#(<= ULTIMATE.start_main_~y~4 170), 135729#(<= ULTIMATE.start_main_~y~4 171), 135734#(<= ULTIMATE.start_main_~y~4 176), 135735#(<= ULTIMATE.start_main_~y~4 177), 135732#(<= ULTIMATE.start_main_~y~4 174), 135733#(<= ULTIMATE.start_main_~y~4 175), 135738#(<= ULTIMATE.start_main_~y~4 180), 135739#(<= ULTIMATE.start_main_~y~4 181), 135736#(<= ULTIMATE.start_main_~y~4 178), 135737#(<= ULTIMATE.start_main_~y~4 179), 135742#(<= ULTIMATE.start_main_~y~4 184), 135743#(<= ULTIMATE.start_main_~y~4 185), 135740#(<= ULTIMATE.start_main_~y~4 182), 135741#(<= ULTIMATE.start_main_~y~4 183), 135746#(<= ULTIMATE.start_main_~y~4 188), 135747#(<= ULTIMATE.start_main_~y~4 189), 135744#(<= ULTIMATE.start_main_~y~4 186), 135745#(<= ULTIMATE.start_main_~y~4 187), 135750#(<= ULTIMATE.start_main_~y~4 192), 135751#(<= ULTIMATE.start_main_~y~4 193), 135748#(<= ULTIMATE.start_main_~y~4 190), 135749#(<= ULTIMATE.start_main_~y~4 191), 135754#(<= ULTIMATE.start_main_~y~4 196), 135755#(<= ULTIMATE.start_main_~y~4 197), 135752#(<= ULTIMATE.start_main_~y~4 194), 135753#(<= ULTIMATE.start_main_~y~4 195), 135758#(<= ULTIMATE.start_main_~y~4 200), 135759#(<= ULTIMATE.start_main_~y~4 201), 135756#(<= ULTIMATE.start_main_~y~4 198), 135757#(<= ULTIMATE.start_main_~y~4 199), 135762#(<= ULTIMATE.start_main_~y~4 204), 135763#(<= ULTIMATE.start_main_~y~4 205), 135760#(<= ULTIMATE.start_main_~y~4 202), 135761#(<= ULTIMATE.start_main_~y~4 203), 135766#(<= ULTIMATE.start_main_~y~4 208), 135767#(<= ULTIMATE.start_main_~y~4 209), 135764#(<= ULTIMATE.start_main_~y~4 206), 135765#(<= ULTIMATE.start_main_~y~4 207), 135770#(<= ULTIMATE.start_main_~y~4 212), 135771#(<= ULTIMATE.start_main_~y~4 213), 135768#(<= ULTIMATE.start_main_~y~4 210), 135769#(<= ULTIMATE.start_main_~y~4 211), 135774#(<= ULTIMATE.start_main_~y~4 216), 135775#(<= ULTIMATE.start_main_~y~4 217), 135772#(<= ULTIMATE.start_main_~y~4 214), 135773#(<= ULTIMATE.start_main_~y~4 215), 135778#(<= ULTIMATE.start_main_~y~4 220), 135779#(<= ULTIMATE.start_main_~y~4 221), 135776#(<= ULTIMATE.start_main_~y~4 218), 135777#(<= ULTIMATE.start_main_~y~4 219), 135782#(<= ULTIMATE.start_main_~y~4 224), 135783#(<= ULTIMATE.start_main_~y~4 225), 135780#(<= ULTIMATE.start_main_~y~4 222), 135781#(<= ULTIMATE.start_main_~y~4 223), 135786#(<= ULTIMATE.start_main_~y~4 228), 135784#(<= ULTIMATE.start_main_~y~4 226), 135785#(<= ULTIMATE.start_main_~y~4 227), 135558#(<= ULTIMATE.start_main_~y~4 0), 135559#(<= ULTIMATE.start_main_~y~4 1), 135556#true, 135557#false, 135562#(<= ULTIMATE.start_main_~y~4 4), 135563#(<= ULTIMATE.start_main_~y~4 5), 135560#(<= ULTIMATE.start_main_~y~4 2), 135561#(<= ULTIMATE.start_main_~y~4 3), 135566#(<= ULTIMATE.start_main_~y~4 8), 135567#(<= ULTIMATE.start_main_~y~4 9), 135564#(<= ULTIMATE.start_main_~y~4 6), 135565#(<= ULTIMATE.start_main_~y~4 7), 135570#(<= ULTIMATE.start_main_~y~4 12), 135571#(<= ULTIMATE.start_main_~y~4 13), 135568#(<= ULTIMATE.start_main_~y~4 10), 135569#(<= ULTIMATE.start_main_~y~4 11), 135574#(<= ULTIMATE.start_main_~y~4 16), 135575#(<= ULTIMATE.start_main_~y~4 17), 135572#(<= ULTIMATE.start_main_~y~4 14), 135573#(<= ULTIMATE.start_main_~y~4 15), 135578#(<= ULTIMATE.start_main_~y~4 20), 135579#(<= ULTIMATE.start_main_~y~4 21), 135576#(<= ULTIMATE.start_main_~y~4 18), 135577#(<= ULTIMATE.start_main_~y~4 19), 135582#(<= ULTIMATE.start_main_~y~4 24), 135583#(<= ULTIMATE.start_main_~y~4 25), 135580#(<= ULTIMATE.start_main_~y~4 22), 135581#(<= ULTIMATE.start_main_~y~4 23), 135586#(<= ULTIMATE.start_main_~y~4 28), 135587#(<= ULTIMATE.start_main_~y~4 29), 135584#(<= ULTIMATE.start_main_~y~4 26), 135585#(<= ULTIMATE.start_main_~y~4 27), 135590#(<= ULTIMATE.start_main_~y~4 32), 135591#(<= ULTIMATE.start_main_~y~4 33), 135588#(<= ULTIMATE.start_main_~y~4 30), 135589#(<= ULTIMATE.start_main_~y~4 31), 135594#(<= ULTIMATE.start_main_~y~4 36), 135595#(<= ULTIMATE.start_main_~y~4 37), 135592#(<= ULTIMATE.start_main_~y~4 34), 135593#(<= ULTIMATE.start_main_~y~4 35), 135598#(<= ULTIMATE.start_main_~y~4 40), 135599#(<= ULTIMATE.start_main_~y~4 41), 135596#(<= ULTIMATE.start_main_~y~4 38), 135597#(<= ULTIMATE.start_main_~y~4 39), 135602#(<= ULTIMATE.start_main_~y~4 44), 135603#(<= ULTIMATE.start_main_~y~4 45), 135600#(<= ULTIMATE.start_main_~y~4 42), 135601#(<= ULTIMATE.start_main_~y~4 43), 135606#(<= ULTIMATE.start_main_~y~4 48), 135607#(<= ULTIMATE.start_main_~y~4 49), 135604#(<= ULTIMATE.start_main_~y~4 46), 135605#(<= ULTIMATE.start_main_~y~4 47), 135610#(<= ULTIMATE.start_main_~y~4 52), 135611#(<= ULTIMATE.start_main_~y~4 53), 135608#(<= ULTIMATE.start_main_~y~4 50), 135609#(<= ULTIMATE.start_main_~y~4 51), 135614#(<= ULTIMATE.start_main_~y~4 56), 135615#(<= ULTIMATE.start_main_~y~4 57), 135612#(<= ULTIMATE.start_main_~y~4 54), 135613#(<= ULTIMATE.start_main_~y~4 55), 135618#(<= ULTIMATE.start_main_~y~4 60), 135619#(<= ULTIMATE.start_main_~y~4 61), 135616#(<= ULTIMATE.start_main_~y~4 58), 135617#(<= ULTIMATE.start_main_~y~4 59), 135622#(<= ULTIMATE.start_main_~y~4 64), 135623#(<= ULTIMATE.start_main_~y~4 65), 135620#(<= ULTIMATE.start_main_~y~4 62), 135621#(<= ULTIMATE.start_main_~y~4 63), 135626#(<= ULTIMATE.start_main_~y~4 68), 135627#(<= ULTIMATE.start_main_~y~4 69), 135624#(<= ULTIMATE.start_main_~y~4 66), 135625#(<= ULTIMATE.start_main_~y~4 67), 135630#(<= ULTIMATE.start_main_~y~4 72), 135631#(<= ULTIMATE.start_main_~y~4 73), 135628#(<= ULTIMATE.start_main_~y~4 70), 135629#(<= ULTIMATE.start_main_~y~4 71), 135634#(<= ULTIMATE.start_main_~y~4 76), 135635#(<= ULTIMATE.start_main_~y~4 77), 135632#(<= ULTIMATE.start_main_~y~4 74), 135633#(<= ULTIMATE.start_main_~y~4 75), 135638#(<= ULTIMATE.start_main_~y~4 80), 135639#(<= ULTIMATE.start_main_~y~4 81), 135636#(<= ULTIMATE.start_main_~y~4 78), 135637#(<= ULTIMATE.start_main_~y~4 79), 135642#(<= ULTIMATE.start_main_~y~4 84), 135643#(<= ULTIMATE.start_main_~y~4 85), 135640#(<= ULTIMATE.start_main_~y~4 82), 135641#(<= ULTIMATE.start_main_~y~4 83), 135646#(<= ULTIMATE.start_main_~y~4 88), 135647#(<= ULTIMATE.start_main_~y~4 89), 135644#(<= ULTIMATE.start_main_~y~4 86), 135645#(<= ULTIMATE.start_main_~y~4 87), 135650#(<= ULTIMATE.start_main_~y~4 92), 135651#(<= ULTIMATE.start_main_~y~4 93), 135648#(<= ULTIMATE.start_main_~y~4 90), 135649#(<= ULTIMATE.start_main_~y~4 91), 135654#(<= ULTIMATE.start_main_~y~4 96), 135655#(<= ULTIMATE.start_main_~y~4 97), 135652#(<= ULTIMATE.start_main_~y~4 94), 135653#(<= ULTIMATE.start_main_~y~4 95), 135658#(<= ULTIMATE.start_main_~y~4 100), 135659#(<= ULTIMATE.start_main_~y~4 101), 135656#(<= ULTIMATE.start_main_~y~4 98), 135657#(<= ULTIMATE.start_main_~y~4 99), 135662#(<= ULTIMATE.start_main_~y~4 104), 135663#(<= ULTIMATE.start_main_~y~4 105), 135660#(<= ULTIMATE.start_main_~y~4 102), 135661#(<= ULTIMATE.start_main_~y~4 103), 135666#(<= ULTIMATE.start_main_~y~4 108), 135667#(<= ULTIMATE.start_main_~y~4 109), 135664#(<= ULTIMATE.start_main_~y~4 106), 135665#(<= ULTIMATE.start_main_~y~4 107), 135670#(<= ULTIMATE.start_main_~y~4 112), 135671#(<= ULTIMATE.start_main_~y~4 113), 135668#(<= ULTIMATE.start_main_~y~4 110), 135669#(<= ULTIMATE.start_main_~y~4 111), 135674#(<= ULTIMATE.start_main_~y~4 116), 135675#(<= ULTIMATE.start_main_~y~4 117), 135672#(<= ULTIMATE.start_main_~y~4 114), 135673#(<= ULTIMATE.start_main_~y~4 115), 135678#(<= ULTIMATE.start_main_~y~4 120), 135679#(<= ULTIMATE.start_main_~y~4 121), 135676#(<= ULTIMATE.start_main_~y~4 118), 135677#(<= ULTIMATE.start_main_~y~4 119)] [2018-07-23 13:40:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 26106 backedges. 0 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:30,325 INFO L450 AbstractCegarLoop]: Interpolant automaton has 231 states [2018-07-23 13:40:30,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 231 interpolants. [2018-07-23 13:40:30,329 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26565, Invalid=26565, Unknown=0, NotChecked=0, Total=53130 [2018-07-23 13:40:30,329 INFO L87 Difference]: Start difference. First operand 232 states and 232 transitions. Second operand 231 states. [2018-07-23 13:40:30,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:30,839 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:40:30,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2018-07-23 13:40:30,839 INFO L78 Accepts]: Start accepts. Automaton has 231 states. Word has length 231 [2018-07-23 13:40:30,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:30,839 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:40:30,840 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:40:30,841 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=26565, Invalid=26565, Unknown=0, NotChecked=0, Total=53130 [2018-07-23 13:40:30,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:40:30,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:40:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:40:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:40:30,844 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 231 [2018-07-23 13:40:30,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:30,844 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:40:30,844 INFO L472 AbstractCegarLoop]: Interpolant automaton has 231 states. [2018-07-23 13:40:30,844 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:40:30,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:40:30,845 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:30,845 INFO L357 BasicCegarLoop]: trace histogram [229, 1, 1, 1] [2018-07-23 13:40:30,845 INFO L414 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:30,845 INFO L82 PathProgramCache]: Analyzing trace with hash -74241492, now seen corresponding path program 229 times [2018-07-23 13:40:30,845 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 26335 backedges. 0 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:32,145 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:32,145 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [231] total 231 [2018-07-23 13:40:32,145 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:32,146 INFO L185 omatonBuilderFactory]: Interpolants [136723#true, 136726#(<= ULTIMATE.start_main_~y~4 1), 136727#(<= ULTIMATE.start_main_~y~4 2), 136724#false, 136725#(<= ULTIMATE.start_main_~y~4 0), 136730#(<= ULTIMATE.start_main_~y~4 5), 136731#(<= ULTIMATE.start_main_~y~4 6), 136728#(<= ULTIMATE.start_main_~y~4 3), 136729#(<= ULTIMATE.start_main_~y~4 4), 136734#(<= ULTIMATE.start_main_~y~4 9), 136735#(<= ULTIMATE.start_main_~y~4 10), 136732#(<= ULTIMATE.start_main_~y~4 7), 136733#(<= ULTIMATE.start_main_~y~4 8), 136738#(<= ULTIMATE.start_main_~y~4 13), 136739#(<= ULTIMATE.start_main_~y~4 14), 136736#(<= ULTIMATE.start_main_~y~4 11), 136737#(<= ULTIMATE.start_main_~y~4 12), 136742#(<= ULTIMATE.start_main_~y~4 17), 136743#(<= ULTIMATE.start_main_~y~4 18), 136740#(<= ULTIMATE.start_main_~y~4 15), 136741#(<= ULTIMATE.start_main_~y~4 16), 136746#(<= ULTIMATE.start_main_~y~4 21), 136747#(<= ULTIMATE.start_main_~y~4 22), 136744#(<= ULTIMATE.start_main_~y~4 19), 136745#(<= ULTIMATE.start_main_~y~4 20), 136750#(<= ULTIMATE.start_main_~y~4 25), 136751#(<= ULTIMATE.start_main_~y~4 26), 136748#(<= ULTIMATE.start_main_~y~4 23), 136749#(<= ULTIMATE.start_main_~y~4 24), 136754#(<= ULTIMATE.start_main_~y~4 29), 136755#(<= ULTIMATE.start_main_~y~4 30), 136752#(<= ULTIMATE.start_main_~y~4 27), 136753#(<= ULTIMATE.start_main_~y~4 28), 136758#(<= ULTIMATE.start_main_~y~4 33), 136759#(<= ULTIMATE.start_main_~y~4 34), 136756#(<= ULTIMATE.start_main_~y~4 31), 136757#(<= ULTIMATE.start_main_~y~4 32), 136762#(<= ULTIMATE.start_main_~y~4 37), 136763#(<= ULTIMATE.start_main_~y~4 38), 136760#(<= ULTIMATE.start_main_~y~4 35), 136761#(<= ULTIMATE.start_main_~y~4 36), 136766#(<= ULTIMATE.start_main_~y~4 41), 136767#(<= ULTIMATE.start_main_~y~4 42), 136764#(<= ULTIMATE.start_main_~y~4 39), 136765#(<= ULTIMATE.start_main_~y~4 40), 136770#(<= ULTIMATE.start_main_~y~4 45), 136771#(<= ULTIMATE.start_main_~y~4 46), 136768#(<= ULTIMATE.start_main_~y~4 43), 136769#(<= ULTIMATE.start_main_~y~4 44), 136774#(<= ULTIMATE.start_main_~y~4 49), 136775#(<= ULTIMATE.start_main_~y~4 50), 136772#(<= ULTIMATE.start_main_~y~4 47), 136773#(<= ULTIMATE.start_main_~y~4 48), 136778#(<= ULTIMATE.start_main_~y~4 53), 136779#(<= ULTIMATE.start_main_~y~4 54), 136776#(<= ULTIMATE.start_main_~y~4 51), 136777#(<= ULTIMATE.start_main_~y~4 52), 136782#(<= ULTIMATE.start_main_~y~4 57), 136783#(<= ULTIMATE.start_main_~y~4 58), 136780#(<= ULTIMATE.start_main_~y~4 55), 136781#(<= ULTIMATE.start_main_~y~4 56), 136786#(<= ULTIMATE.start_main_~y~4 61), 136787#(<= ULTIMATE.start_main_~y~4 62), 136784#(<= ULTIMATE.start_main_~y~4 59), 136785#(<= ULTIMATE.start_main_~y~4 60), 136790#(<= ULTIMATE.start_main_~y~4 65), 136791#(<= ULTIMATE.start_main_~y~4 66), 136788#(<= ULTIMATE.start_main_~y~4 63), 136789#(<= ULTIMATE.start_main_~y~4 64), 136794#(<= ULTIMATE.start_main_~y~4 69), 136795#(<= ULTIMATE.start_main_~y~4 70), 136792#(<= ULTIMATE.start_main_~y~4 67), 136793#(<= ULTIMATE.start_main_~y~4 68), 136798#(<= ULTIMATE.start_main_~y~4 73), 136799#(<= ULTIMATE.start_main_~y~4 74), 136796#(<= ULTIMATE.start_main_~y~4 71), 136797#(<= ULTIMATE.start_main_~y~4 72), 136802#(<= ULTIMATE.start_main_~y~4 77), 136803#(<= ULTIMATE.start_main_~y~4 78), 136800#(<= ULTIMATE.start_main_~y~4 75), 136801#(<= ULTIMATE.start_main_~y~4 76), 136806#(<= ULTIMATE.start_main_~y~4 81), 136807#(<= ULTIMATE.start_main_~y~4 82), 136804#(<= ULTIMATE.start_main_~y~4 79), 136805#(<= ULTIMATE.start_main_~y~4 80), 136810#(<= ULTIMATE.start_main_~y~4 85), 136811#(<= ULTIMATE.start_main_~y~4 86), 136808#(<= ULTIMATE.start_main_~y~4 83), 136809#(<= ULTIMATE.start_main_~y~4 84), 136814#(<= ULTIMATE.start_main_~y~4 89), 136815#(<= ULTIMATE.start_main_~y~4 90), 136812#(<= ULTIMATE.start_main_~y~4 87), 136813#(<= ULTIMATE.start_main_~y~4 88), 136818#(<= ULTIMATE.start_main_~y~4 93), 136819#(<= ULTIMATE.start_main_~y~4 94), 136816#(<= ULTIMATE.start_main_~y~4 91), 136817#(<= ULTIMATE.start_main_~y~4 92), 136822#(<= ULTIMATE.start_main_~y~4 97), 136823#(<= ULTIMATE.start_main_~y~4 98), 136820#(<= ULTIMATE.start_main_~y~4 95), 136821#(<= ULTIMATE.start_main_~y~4 96), 136826#(<= ULTIMATE.start_main_~y~4 101), 136827#(<= ULTIMATE.start_main_~y~4 102), 136824#(<= ULTIMATE.start_main_~y~4 99), 136825#(<= ULTIMATE.start_main_~y~4 100), 136830#(<= ULTIMATE.start_main_~y~4 105), 136831#(<= ULTIMATE.start_main_~y~4 106), 136828#(<= ULTIMATE.start_main_~y~4 103), 136829#(<= ULTIMATE.start_main_~y~4 104), 136834#(<= ULTIMATE.start_main_~y~4 109), 136835#(<= ULTIMATE.start_main_~y~4 110), 136832#(<= ULTIMATE.start_main_~y~4 107), 136833#(<= ULTIMATE.start_main_~y~4 108), 136838#(<= ULTIMATE.start_main_~y~4 113), 136839#(<= ULTIMATE.start_main_~y~4 114), 136836#(<= ULTIMATE.start_main_~y~4 111), 136837#(<= ULTIMATE.start_main_~y~4 112), 136842#(<= ULTIMATE.start_main_~y~4 117), 136843#(<= ULTIMATE.start_main_~y~4 118), 136840#(<= ULTIMATE.start_main_~y~4 115), 136841#(<= ULTIMATE.start_main_~y~4 116), 136846#(<= ULTIMATE.start_main_~y~4 121), 136847#(<= ULTIMATE.start_main_~y~4 122), 136844#(<= ULTIMATE.start_main_~y~4 119), 136845#(<= ULTIMATE.start_main_~y~4 120), 136850#(<= ULTIMATE.start_main_~y~4 125), 136851#(<= ULTIMATE.start_main_~y~4 126), 136848#(<= ULTIMATE.start_main_~y~4 123), 136849#(<= ULTIMATE.start_main_~y~4 124), 136854#(<= ULTIMATE.start_main_~y~4 129), 136855#(<= ULTIMATE.start_main_~y~4 130), 136852#(<= ULTIMATE.start_main_~y~4 127), 136853#(<= ULTIMATE.start_main_~y~4 128), 136858#(<= ULTIMATE.start_main_~y~4 133), 136859#(<= ULTIMATE.start_main_~y~4 134), 136856#(<= ULTIMATE.start_main_~y~4 131), 136857#(<= ULTIMATE.start_main_~y~4 132), 136862#(<= ULTIMATE.start_main_~y~4 137), 136863#(<= ULTIMATE.start_main_~y~4 138), 136860#(<= ULTIMATE.start_main_~y~4 135), 136861#(<= ULTIMATE.start_main_~y~4 136), 136866#(<= ULTIMATE.start_main_~y~4 141), 136867#(<= ULTIMATE.start_main_~y~4 142), 136864#(<= ULTIMATE.start_main_~y~4 139), 136865#(<= ULTIMATE.start_main_~y~4 140), 136870#(<= ULTIMATE.start_main_~y~4 145), 136871#(<= ULTIMATE.start_main_~y~4 146), 136868#(<= ULTIMATE.start_main_~y~4 143), 136869#(<= ULTIMATE.start_main_~y~4 144), 136874#(<= ULTIMATE.start_main_~y~4 149), 136875#(<= ULTIMATE.start_main_~y~4 150), 136872#(<= ULTIMATE.start_main_~y~4 147), 136873#(<= ULTIMATE.start_main_~y~4 148), 136878#(<= ULTIMATE.start_main_~y~4 153), 136879#(<= ULTIMATE.start_main_~y~4 154), 136876#(<= ULTIMATE.start_main_~y~4 151), 136877#(<= ULTIMATE.start_main_~y~4 152), 136882#(<= ULTIMATE.start_main_~y~4 157), 136883#(<= ULTIMATE.start_main_~y~4 158), 136880#(<= ULTIMATE.start_main_~y~4 155), 136881#(<= ULTIMATE.start_main_~y~4 156), 136886#(<= ULTIMATE.start_main_~y~4 161), 136887#(<= ULTIMATE.start_main_~y~4 162), 136884#(<= ULTIMATE.start_main_~y~4 159), 136885#(<= ULTIMATE.start_main_~y~4 160), 136890#(<= ULTIMATE.start_main_~y~4 165), 136891#(<= ULTIMATE.start_main_~y~4 166), 136888#(<= ULTIMATE.start_main_~y~4 163), 136889#(<= ULTIMATE.start_main_~y~4 164), 136894#(<= ULTIMATE.start_main_~y~4 169), 136895#(<= ULTIMATE.start_main_~y~4 170), 136892#(<= ULTIMATE.start_main_~y~4 167), 136893#(<= ULTIMATE.start_main_~y~4 168), 136898#(<= ULTIMATE.start_main_~y~4 173), 136899#(<= ULTIMATE.start_main_~y~4 174), 136896#(<= ULTIMATE.start_main_~y~4 171), 136897#(<= ULTIMATE.start_main_~y~4 172), 136902#(<= ULTIMATE.start_main_~y~4 177), 136903#(<= ULTIMATE.start_main_~y~4 178), 136900#(<= ULTIMATE.start_main_~y~4 175), 136901#(<= ULTIMATE.start_main_~y~4 176), 136906#(<= ULTIMATE.start_main_~y~4 181), 136907#(<= ULTIMATE.start_main_~y~4 182), 136904#(<= ULTIMATE.start_main_~y~4 179), 136905#(<= ULTIMATE.start_main_~y~4 180), 136910#(<= ULTIMATE.start_main_~y~4 185), 136911#(<= ULTIMATE.start_main_~y~4 186), 136908#(<= ULTIMATE.start_main_~y~4 183), 136909#(<= ULTIMATE.start_main_~y~4 184), 136914#(<= ULTIMATE.start_main_~y~4 189), 136915#(<= ULTIMATE.start_main_~y~4 190), 136912#(<= ULTIMATE.start_main_~y~4 187), 136913#(<= ULTIMATE.start_main_~y~4 188), 136918#(<= ULTIMATE.start_main_~y~4 193), 136919#(<= ULTIMATE.start_main_~y~4 194), 136916#(<= ULTIMATE.start_main_~y~4 191), 136917#(<= ULTIMATE.start_main_~y~4 192), 136922#(<= ULTIMATE.start_main_~y~4 197), 136923#(<= ULTIMATE.start_main_~y~4 198), 136920#(<= ULTIMATE.start_main_~y~4 195), 136921#(<= ULTIMATE.start_main_~y~4 196), 136926#(<= ULTIMATE.start_main_~y~4 201), 136927#(<= ULTIMATE.start_main_~y~4 202), 136924#(<= ULTIMATE.start_main_~y~4 199), 136925#(<= ULTIMATE.start_main_~y~4 200), 136930#(<= ULTIMATE.start_main_~y~4 205), 136931#(<= ULTIMATE.start_main_~y~4 206), 136928#(<= ULTIMATE.start_main_~y~4 203), 136929#(<= ULTIMATE.start_main_~y~4 204), 136934#(<= ULTIMATE.start_main_~y~4 209), 136935#(<= ULTIMATE.start_main_~y~4 210), 136932#(<= ULTIMATE.start_main_~y~4 207), 136933#(<= ULTIMATE.start_main_~y~4 208), 136938#(<= ULTIMATE.start_main_~y~4 213), 136939#(<= ULTIMATE.start_main_~y~4 214), 136936#(<= ULTIMATE.start_main_~y~4 211), 136937#(<= ULTIMATE.start_main_~y~4 212), 136942#(<= ULTIMATE.start_main_~y~4 217), 136943#(<= ULTIMATE.start_main_~y~4 218), 136940#(<= ULTIMATE.start_main_~y~4 215), 136941#(<= ULTIMATE.start_main_~y~4 216), 136946#(<= ULTIMATE.start_main_~y~4 221), 136947#(<= ULTIMATE.start_main_~y~4 222), 136944#(<= ULTIMATE.start_main_~y~4 219), 136945#(<= ULTIMATE.start_main_~y~4 220), 136950#(<= ULTIMATE.start_main_~y~4 225), 136951#(<= ULTIMATE.start_main_~y~4 226), 136948#(<= ULTIMATE.start_main_~y~4 223), 136949#(<= ULTIMATE.start_main_~y~4 224), 136954#(<= ULTIMATE.start_main_~y~4 229), 136952#(<= ULTIMATE.start_main_~y~4 227), 136953#(<= ULTIMATE.start_main_~y~4 228)] [2018-07-23 13:40:32,147 INFO L134 CoverageAnalysis]: Checked inductivity of 26335 backedges. 0 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:32,147 INFO L450 AbstractCegarLoop]: Interpolant automaton has 232 states [2018-07-23 13:40:32,151 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2018-07-23 13:40:32,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26796, Invalid=26796, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:40:32,153 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 232 states. [2018-07-23 13:40:33,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:33,898 INFO L93 Difference]: Finished difference Result 236 states and 236 transitions. [2018-07-23 13:40:33,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2018-07-23 13:40:33,898 INFO L78 Accepts]: Start accepts. Automaton has 232 states. Word has length 232 [2018-07-23 13:40:33,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:33,898 INFO L225 Difference]: With dead ends: 236 [2018-07-23 13:40:33,898 INFO L226 Difference]: Without dead ends: 234 [2018-07-23 13:40:33,901 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=26796, Invalid=26796, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:40:33,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-07-23 13:40:33,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2018-07-23 13:40:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-07-23 13:40:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 234 transitions. [2018-07-23 13:40:33,904 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 234 transitions. Word has length 232 [2018-07-23 13:40:33,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:33,904 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 234 transitions. [2018-07-23 13:40:33,904 INFO L472 AbstractCegarLoop]: Interpolant automaton has 232 states. [2018-07-23 13:40:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 234 transitions. [2018-07-23 13:40:33,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-07-23 13:40:33,905 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:33,905 INFO L357 BasicCegarLoop]: trace histogram [230, 1, 1, 1] [2018-07-23 13:40:33,905 INFO L414 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:33,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1993482851, now seen corresponding path program 230 times [2018-07-23 13:40:33,905 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 26565 backedges. 0 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,146 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:35,146 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [232] total 232 [2018-07-23 13:40:35,147 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,147 INFO L185 omatonBuilderFactory]: Interpolants [137895#true, 137898#(<= ULTIMATE.start_main_~y~4 1), 137899#(<= ULTIMATE.start_main_~y~4 2), 137896#false, 137897#(<= ULTIMATE.start_main_~y~4 0), 137902#(<= ULTIMATE.start_main_~y~4 5), 137903#(<= ULTIMATE.start_main_~y~4 6), 137900#(<= ULTIMATE.start_main_~y~4 3), 137901#(<= ULTIMATE.start_main_~y~4 4), 137906#(<= ULTIMATE.start_main_~y~4 9), 137907#(<= ULTIMATE.start_main_~y~4 10), 137904#(<= ULTIMATE.start_main_~y~4 7), 137905#(<= ULTIMATE.start_main_~y~4 8), 137910#(<= ULTIMATE.start_main_~y~4 13), 137911#(<= ULTIMATE.start_main_~y~4 14), 137908#(<= ULTIMATE.start_main_~y~4 11), 137909#(<= ULTIMATE.start_main_~y~4 12), 137914#(<= ULTIMATE.start_main_~y~4 17), 137915#(<= ULTIMATE.start_main_~y~4 18), 137912#(<= ULTIMATE.start_main_~y~4 15), 137913#(<= ULTIMATE.start_main_~y~4 16), 137918#(<= ULTIMATE.start_main_~y~4 21), 137919#(<= ULTIMATE.start_main_~y~4 22), 137916#(<= ULTIMATE.start_main_~y~4 19), 137917#(<= ULTIMATE.start_main_~y~4 20), 137922#(<= ULTIMATE.start_main_~y~4 25), 137923#(<= ULTIMATE.start_main_~y~4 26), 137920#(<= ULTIMATE.start_main_~y~4 23), 137921#(<= ULTIMATE.start_main_~y~4 24), 137926#(<= ULTIMATE.start_main_~y~4 29), 137927#(<= ULTIMATE.start_main_~y~4 30), 137924#(<= ULTIMATE.start_main_~y~4 27), 137925#(<= ULTIMATE.start_main_~y~4 28), 137930#(<= ULTIMATE.start_main_~y~4 33), 137931#(<= ULTIMATE.start_main_~y~4 34), 137928#(<= ULTIMATE.start_main_~y~4 31), 137929#(<= ULTIMATE.start_main_~y~4 32), 137934#(<= ULTIMATE.start_main_~y~4 37), 137935#(<= ULTIMATE.start_main_~y~4 38), 137932#(<= ULTIMATE.start_main_~y~4 35), 137933#(<= ULTIMATE.start_main_~y~4 36), 137938#(<= ULTIMATE.start_main_~y~4 41), 137939#(<= ULTIMATE.start_main_~y~4 42), 137936#(<= ULTIMATE.start_main_~y~4 39), 137937#(<= ULTIMATE.start_main_~y~4 40), 137942#(<= ULTIMATE.start_main_~y~4 45), 137943#(<= ULTIMATE.start_main_~y~4 46), 137940#(<= ULTIMATE.start_main_~y~4 43), 137941#(<= ULTIMATE.start_main_~y~4 44), 137946#(<= ULTIMATE.start_main_~y~4 49), 137947#(<= ULTIMATE.start_main_~y~4 50), 137944#(<= ULTIMATE.start_main_~y~4 47), 137945#(<= ULTIMATE.start_main_~y~4 48), 137950#(<= ULTIMATE.start_main_~y~4 53), 137951#(<= ULTIMATE.start_main_~y~4 54), 137948#(<= ULTIMATE.start_main_~y~4 51), 137949#(<= ULTIMATE.start_main_~y~4 52), 137954#(<= ULTIMATE.start_main_~y~4 57), 137955#(<= ULTIMATE.start_main_~y~4 58), 137952#(<= ULTIMATE.start_main_~y~4 55), 137953#(<= ULTIMATE.start_main_~y~4 56), 137958#(<= ULTIMATE.start_main_~y~4 61), 137959#(<= ULTIMATE.start_main_~y~4 62), 137956#(<= ULTIMATE.start_main_~y~4 59), 137957#(<= ULTIMATE.start_main_~y~4 60), 137962#(<= ULTIMATE.start_main_~y~4 65), 137963#(<= ULTIMATE.start_main_~y~4 66), 137960#(<= ULTIMATE.start_main_~y~4 63), 137961#(<= ULTIMATE.start_main_~y~4 64), 137966#(<= ULTIMATE.start_main_~y~4 69), 137967#(<= ULTIMATE.start_main_~y~4 70), 137964#(<= ULTIMATE.start_main_~y~4 67), 137965#(<= ULTIMATE.start_main_~y~4 68), 137970#(<= ULTIMATE.start_main_~y~4 73), 137971#(<= ULTIMATE.start_main_~y~4 74), 137968#(<= ULTIMATE.start_main_~y~4 71), 137969#(<= ULTIMATE.start_main_~y~4 72), 137974#(<= ULTIMATE.start_main_~y~4 77), 137975#(<= ULTIMATE.start_main_~y~4 78), 137972#(<= ULTIMATE.start_main_~y~4 75), 137973#(<= ULTIMATE.start_main_~y~4 76), 137978#(<= ULTIMATE.start_main_~y~4 81), 137979#(<= ULTIMATE.start_main_~y~4 82), 137976#(<= ULTIMATE.start_main_~y~4 79), 137977#(<= ULTIMATE.start_main_~y~4 80), 137982#(<= ULTIMATE.start_main_~y~4 85), 137983#(<= ULTIMATE.start_main_~y~4 86), 137980#(<= ULTIMATE.start_main_~y~4 83), 137981#(<= ULTIMATE.start_main_~y~4 84), 137986#(<= ULTIMATE.start_main_~y~4 89), 137987#(<= ULTIMATE.start_main_~y~4 90), 137984#(<= ULTIMATE.start_main_~y~4 87), 137985#(<= ULTIMATE.start_main_~y~4 88), 137990#(<= ULTIMATE.start_main_~y~4 93), 137991#(<= ULTIMATE.start_main_~y~4 94), 137988#(<= ULTIMATE.start_main_~y~4 91), 137989#(<= ULTIMATE.start_main_~y~4 92), 137994#(<= ULTIMATE.start_main_~y~4 97), 137995#(<= ULTIMATE.start_main_~y~4 98), 137992#(<= ULTIMATE.start_main_~y~4 95), 137993#(<= ULTIMATE.start_main_~y~4 96), 137998#(<= ULTIMATE.start_main_~y~4 101), 137999#(<= ULTIMATE.start_main_~y~4 102), 137996#(<= ULTIMATE.start_main_~y~4 99), 137997#(<= ULTIMATE.start_main_~y~4 100), 138002#(<= ULTIMATE.start_main_~y~4 105), 138003#(<= ULTIMATE.start_main_~y~4 106), 138000#(<= ULTIMATE.start_main_~y~4 103), 138001#(<= ULTIMATE.start_main_~y~4 104), 138006#(<= ULTIMATE.start_main_~y~4 109), 138007#(<= ULTIMATE.start_main_~y~4 110), 138004#(<= ULTIMATE.start_main_~y~4 107), 138005#(<= ULTIMATE.start_main_~y~4 108), 138010#(<= ULTIMATE.start_main_~y~4 113), 138011#(<= ULTIMATE.start_main_~y~4 114), 138008#(<= ULTIMATE.start_main_~y~4 111), 138009#(<= ULTIMATE.start_main_~y~4 112), 138014#(<= ULTIMATE.start_main_~y~4 117), 138015#(<= ULTIMATE.start_main_~y~4 118), 138012#(<= ULTIMATE.start_main_~y~4 115), 138013#(<= ULTIMATE.start_main_~y~4 116), 138018#(<= ULTIMATE.start_main_~y~4 121), 138019#(<= ULTIMATE.start_main_~y~4 122), 138016#(<= ULTIMATE.start_main_~y~4 119), 138017#(<= ULTIMATE.start_main_~y~4 120), 138022#(<= ULTIMATE.start_main_~y~4 125), 138023#(<= ULTIMATE.start_main_~y~4 126), 138020#(<= ULTIMATE.start_main_~y~4 123), 138021#(<= ULTIMATE.start_main_~y~4 124), 138026#(<= ULTIMATE.start_main_~y~4 129), 138027#(<= ULTIMATE.start_main_~y~4 130), 138024#(<= ULTIMATE.start_main_~y~4 127), 138025#(<= ULTIMATE.start_main_~y~4 128), 138030#(<= ULTIMATE.start_main_~y~4 133), 138031#(<= ULTIMATE.start_main_~y~4 134), 138028#(<= ULTIMATE.start_main_~y~4 131), 138029#(<= ULTIMATE.start_main_~y~4 132), 138034#(<= ULTIMATE.start_main_~y~4 137), 138035#(<= ULTIMATE.start_main_~y~4 138), 138032#(<= ULTIMATE.start_main_~y~4 135), 138033#(<= ULTIMATE.start_main_~y~4 136), 138038#(<= ULTIMATE.start_main_~y~4 141), 138039#(<= ULTIMATE.start_main_~y~4 142), 138036#(<= ULTIMATE.start_main_~y~4 139), 138037#(<= ULTIMATE.start_main_~y~4 140), 138042#(<= ULTIMATE.start_main_~y~4 145), 138043#(<= ULTIMATE.start_main_~y~4 146), 138040#(<= ULTIMATE.start_main_~y~4 143), 138041#(<= ULTIMATE.start_main_~y~4 144), 138046#(<= ULTIMATE.start_main_~y~4 149), 138047#(<= ULTIMATE.start_main_~y~4 150), 138044#(<= ULTIMATE.start_main_~y~4 147), 138045#(<= ULTIMATE.start_main_~y~4 148), 138050#(<= ULTIMATE.start_main_~y~4 153), 138051#(<= ULTIMATE.start_main_~y~4 154), 138048#(<= ULTIMATE.start_main_~y~4 151), 138049#(<= ULTIMATE.start_main_~y~4 152), 138054#(<= ULTIMATE.start_main_~y~4 157), 138055#(<= ULTIMATE.start_main_~y~4 158), 138052#(<= ULTIMATE.start_main_~y~4 155), 138053#(<= ULTIMATE.start_main_~y~4 156), 138058#(<= ULTIMATE.start_main_~y~4 161), 138059#(<= ULTIMATE.start_main_~y~4 162), 138056#(<= ULTIMATE.start_main_~y~4 159), 138057#(<= ULTIMATE.start_main_~y~4 160), 138062#(<= ULTIMATE.start_main_~y~4 165), 138063#(<= ULTIMATE.start_main_~y~4 166), 138060#(<= ULTIMATE.start_main_~y~4 163), 138061#(<= ULTIMATE.start_main_~y~4 164), 138066#(<= ULTIMATE.start_main_~y~4 169), 138067#(<= ULTIMATE.start_main_~y~4 170), 138064#(<= ULTIMATE.start_main_~y~4 167), 138065#(<= ULTIMATE.start_main_~y~4 168), 138070#(<= ULTIMATE.start_main_~y~4 173), 138071#(<= ULTIMATE.start_main_~y~4 174), 138068#(<= ULTIMATE.start_main_~y~4 171), 138069#(<= ULTIMATE.start_main_~y~4 172), 138074#(<= ULTIMATE.start_main_~y~4 177), 138075#(<= ULTIMATE.start_main_~y~4 178), 138072#(<= ULTIMATE.start_main_~y~4 175), 138073#(<= ULTIMATE.start_main_~y~4 176), 138078#(<= ULTIMATE.start_main_~y~4 181), 138079#(<= ULTIMATE.start_main_~y~4 182), 138076#(<= ULTIMATE.start_main_~y~4 179), 138077#(<= ULTIMATE.start_main_~y~4 180), 138082#(<= ULTIMATE.start_main_~y~4 185), 138083#(<= ULTIMATE.start_main_~y~4 186), 138080#(<= ULTIMATE.start_main_~y~4 183), 138081#(<= ULTIMATE.start_main_~y~4 184), 138086#(<= ULTIMATE.start_main_~y~4 189), 138087#(<= ULTIMATE.start_main_~y~4 190), 138084#(<= ULTIMATE.start_main_~y~4 187), 138085#(<= ULTIMATE.start_main_~y~4 188), 138090#(<= ULTIMATE.start_main_~y~4 193), 138091#(<= ULTIMATE.start_main_~y~4 194), 138088#(<= ULTIMATE.start_main_~y~4 191), 138089#(<= ULTIMATE.start_main_~y~4 192), 138094#(<= ULTIMATE.start_main_~y~4 197), 138095#(<= ULTIMATE.start_main_~y~4 198), 138092#(<= ULTIMATE.start_main_~y~4 195), 138093#(<= ULTIMATE.start_main_~y~4 196), 138098#(<= ULTIMATE.start_main_~y~4 201), 138099#(<= ULTIMATE.start_main_~y~4 202), 138096#(<= ULTIMATE.start_main_~y~4 199), 138097#(<= ULTIMATE.start_main_~y~4 200), 138102#(<= ULTIMATE.start_main_~y~4 205), 138103#(<= ULTIMATE.start_main_~y~4 206), 138100#(<= ULTIMATE.start_main_~y~4 203), 138101#(<= ULTIMATE.start_main_~y~4 204), 138106#(<= ULTIMATE.start_main_~y~4 209), 138107#(<= ULTIMATE.start_main_~y~4 210), 138104#(<= ULTIMATE.start_main_~y~4 207), 138105#(<= ULTIMATE.start_main_~y~4 208), 138110#(<= ULTIMATE.start_main_~y~4 213), 138111#(<= ULTIMATE.start_main_~y~4 214), 138108#(<= ULTIMATE.start_main_~y~4 211), 138109#(<= ULTIMATE.start_main_~y~4 212), 138114#(<= ULTIMATE.start_main_~y~4 217), 138115#(<= ULTIMATE.start_main_~y~4 218), 138112#(<= ULTIMATE.start_main_~y~4 215), 138113#(<= ULTIMATE.start_main_~y~4 216), 138118#(<= ULTIMATE.start_main_~y~4 221), 138119#(<= ULTIMATE.start_main_~y~4 222), 138116#(<= ULTIMATE.start_main_~y~4 219), 138117#(<= ULTIMATE.start_main_~y~4 220), 138122#(<= ULTIMATE.start_main_~y~4 225), 138123#(<= ULTIMATE.start_main_~y~4 226), 138120#(<= ULTIMATE.start_main_~y~4 223), 138121#(<= ULTIMATE.start_main_~y~4 224), 138126#(<= ULTIMATE.start_main_~y~4 229), 138127#(<= ULTIMATE.start_main_~y~4 230), 138124#(<= ULTIMATE.start_main_~y~4 227), 138125#(<= ULTIMATE.start_main_~y~4 228)] [2018-07-23 13:40:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 26565 backedges. 0 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,148 INFO L450 AbstractCegarLoop]: Interpolant automaton has 233 states [2018-07-23 13:40:35,151 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 233 interpolants. [2018-07-23 13:40:35,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27028, Invalid=27028, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:40:35,152 INFO L87 Difference]: Start difference. First operand 234 states and 234 transitions. Second operand 233 states. [2018-07-23 13:40:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:36,315 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:40:36,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2018-07-23 13:40:36,315 INFO L78 Accepts]: Start accepts. Automaton has 233 states. Word has length 233 [2018-07-23 13:40:36,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:36,316 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:40:36,316 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:40:36,318 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27028, Invalid=27028, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:40:36,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:40:36,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:40:36,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:40:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:40:36,321 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 233 [2018-07-23 13:40:36,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:36,321 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:40:36,321 INFO L472 AbstractCegarLoop]: Interpolant automaton has 233 states. [2018-07-23 13:40:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:40:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:40:36,322 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:36,322 INFO L357 BasicCegarLoop]: trace histogram [231, 1, 1, 1] [2018-07-23 13:40:36,322 INFO L414 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:36,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1668428044, now seen corresponding path program 231 times [2018-07-23 13:40:36,322 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,514 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:37,514 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [233] total 233 [2018-07-23 13:40:37,515 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:37,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,515 INFO L185 omatonBuilderFactory]: Interpolants [139266#(<= ULTIMATE.start_main_~y~4 192), 139267#(<= ULTIMATE.start_main_~y~4 193), 139264#(<= ULTIMATE.start_main_~y~4 190), 139265#(<= ULTIMATE.start_main_~y~4 191), 139270#(<= ULTIMATE.start_main_~y~4 196), 139271#(<= ULTIMATE.start_main_~y~4 197), 139268#(<= ULTIMATE.start_main_~y~4 194), 139269#(<= ULTIMATE.start_main_~y~4 195), 139274#(<= ULTIMATE.start_main_~y~4 200), 139275#(<= ULTIMATE.start_main_~y~4 201), 139272#(<= ULTIMATE.start_main_~y~4 198), 139273#(<= ULTIMATE.start_main_~y~4 199), 139278#(<= ULTIMATE.start_main_~y~4 204), 139279#(<= ULTIMATE.start_main_~y~4 205), 139276#(<= ULTIMATE.start_main_~y~4 202), 139277#(<= ULTIMATE.start_main_~y~4 203), 139282#(<= ULTIMATE.start_main_~y~4 208), 139283#(<= ULTIMATE.start_main_~y~4 209), 139280#(<= ULTIMATE.start_main_~y~4 206), 139281#(<= ULTIMATE.start_main_~y~4 207), 139286#(<= ULTIMATE.start_main_~y~4 212), 139287#(<= ULTIMATE.start_main_~y~4 213), 139284#(<= ULTIMATE.start_main_~y~4 210), 139285#(<= ULTIMATE.start_main_~y~4 211), 139290#(<= ULTIMATE.start_main_~y~4 216), 139291#(<= ULTIMATE.start_main_~y~4 217), 139288#(<= ULTIMATE.start_main_~y~4 214), 139289#(<= ULTIMATE.start_main_~y~4 215), 139294#(<= ULTIMATE.start_main_~y~4 220), 139295#(<= ULTIMATE.start_main_~y~4 221), 139292#(<= ULTIMATE.start_main_~y~4 218), 139293#(<= ULTIMATE.start_main_~y~4 219), 139298#(<= ULTIMATE.start_main_~y~4 224), 139299#(<= ULTIMATE.start_main_~y~4 225), 139296#(<= ULTIMATE.start_main_~y~4 222), 139297#(<= ULTIMATE.start_main_~y~4 223), 139302#(<= ULTIMATE.start_main_~y~4 228), 139303#(<= ULTIMATE.start_main_~y~4 229), 139300#(<= ULTIMATE.start_main_~y~4 226), 139301#(<= ULTIMATE.start_main_~y~4 227), 139304#(<= ULTIMATE.start_main_~y~4 230), 139305#(<= ULTIMATE.start_main_~y~4 231), 139074#(<= ULTIMATE.start_main_~y~4 0), 139075#(<= ULTIMATE.start_main_~y~4 1), 139072#true, 139073#false, 139078#(<= ULTIMATE.start_main_~y~4 4), 139079#(<= ULTIMATE.start_main_~y~4 5), 139076#(<= ULTIMATE.start_main_~y~4 2), 139077#(<= ULTIMATE.start_main_~y~4 3), 139082#(<= ULTIMATE.start_main_~y~4 8), 139083#(<= ULTIMATE.start_main_~y~4 9), 139080#(<= ULTIMATE.start_main_~y~4 6), 139081#(<= ULTIMATE.start_main_~y~4 7), 139086#(<= ULTIMATE.start_main_~y~4 12), 139087#(<= ULTIMATE.start_main_~y~4 13), 139084#(<= ULTIMATE.start_main_~y~4 10), 139085#(<= ULTIMATE.start_main_~y~4 11), 139090#(<= ULTIMATE.start_main_~y~4 16), 139091#(<= ULTIMATE.start_main_~y~4 17), 139088#(<= ULTIMATE.start_main_~y~4 14), 139089#(<= ULTIMATE.start_main_~y~4 15), 139094#(<= ULTIMATE.start_main_~y~4 20), 139095#(<= ULTIMATE.start_main_~y~4 21), 139092#(<= ULTIMATE.start_main_~y~4 18), 139093#(<= ULTIMATE.start_main_~y~4 19), 139098#(<= ULTIMATE.start_main_~y~4 24), 139099#(<= ULTIMATE.start_main_~y~4 25), 139096#(<= ULTIMATE.start_main_~y~4 22), 139097#(<= ULTIMATE.start_main_~y~4 23), 139102#(<= ULTIMATE.start_main_~y~4 28), 139103#(<= ULTIMATE.start_main_~y~4 29), 139100#(<= ULTIMATE.start_main_~y~4 26), 139101#(<= ULTIMATE.start_main_~y~4 27), 139106#(<= ULTIMATE.start_main_~y~4 32), 139107#(<= ULTIMATE.start_main_~y~4 33), 139104#(<= ULTIMATE.start_main_~y~4 30), 139105#(<= ULTIMATE.start_main_~y~4 31), 139110#(<= ULTIMATE.start_main_~y~4 36), 139111#(<= ULTIMATE.start_main_~y~4 37), 139108#(<= ULTIMATE.start_main_~y~4 34), 139109#(<= ULTIMATE.start_main_~y~4 35), 139114#(<= ULTIMATE.start_main_~y~4 40), 139115#(<= ULTIMATE.start_main_~y~4 41), 139112#(<= ULTIMATE.start_main_~y~4 38), 139113#(<= ULTIMATE.start_main_~y~4 39), 139118#(<= ULTIMATE.start_main_~y~4 44), 139119#(<= ULTIMATE.start_main_~y~4 45), 139116#(<= ULTIMATE.start_main_~y~4 42), 139117#(<= ULTIMATE.start_main_~y~4 43), 139122#(<= ULTIMATE.start_main_~y~4 48), 139123#(<= ULTIMATE.start_main_~y~4 49), 139120#(<= ULTIMATE.start_main_~y~4 46), 139121#(<= ULTIMATE.start_main_~y~4 47), 139126#(<= ULTIMATE.start_main_~y~4 52), 139127#(<= ULTIMATE.start_main_~y~4 53), 139124#(<= ULTIMATE.start_main_~y~4 50), 139125#(<= ULTIMATE.start_main_~y~4 51), 139130#(<= ULTIMATE.start_main_~y~4 56), 139131#(<= ULTIMATE.start_main_~y~4 57), 139128#(<= ULTIMATE.start_main_~y~4 54), 139129#(<= ULTIMATE.start_main_~y~4 55), 139134#(<= ULTIMATE.start_main_~y~4 60), 139135#(<= ULTIMATE.start_main_~y~4 61), 139132#(<= ULTIMATE.start_main_~y~4 58), 139133#(<= ULTIMATE.start_main_~y~4 59), 139138#(<= ULTIMATE.start_main_~y~4 64), 139139#(<= ULTIMATE.start_main_~y~4 65), 139136#(<= ULTIMATE.start_main_~y~4 62), 139137#(<= ULTIMATE.start_main_~y~4 63), 139142#(<= ULTIMATE.start_main_~y~4 68), 139143#(<= ULTIMATE.start_main_~y~4 69), 139140#(<= ULTIMATE.start_main_~y~4 66), 139141#(<= ULTIMATE.start_main_~y~4 67), 139146#(<= ULTIMATE.start_main_~y~4 72), 139147#(<= ULTIMATE.start_main_~y~4 73), 139144#(<= ULTIMATE.start_main_~y~4 70), 139145#(<= ULTIMATE.start_main_~y~4 71), 139150#(<= ULTIMATE.start_main_~y~4 76), 139151#(<= ULTIMATE.start_main_~y~4 77), 139148#(<= ULTIMATE.start_main_~y~4 74), 139149#(<= ULTIMATE.start_main_~y~4 75), 139154#(<= ULTIMATE.start_main_~y~4 80), 139155#(<= ULTIMATE.start_main_~y~4 81), 139152#(<= ULTIMATE.start_main_~y~4 78), 139153#(<= ULTIMATE.start_main_~y~4 79), 139158#(<= ULTIMATE.start_main_~y~4 84), 139159#(<= ULTIMATE.start_main_~y~4 85), 139156#(<= ULTIMATE.start_main_~y~4 82), 139157#(<= ULTIMATE.start_main_~y~4 83), 139162#(<= ULTIMATE.start_main_~y~4 88), 139163#(<= ULTIMATE.start_main_~y~4 89), 139160#(<= ULTIMATE.start_main_~y~4 86), 139161#(<= ULTIMATE.start_main_~y~4 87), 139166#(<= ULTIMATE.start_main_~y~4 92), 139167#(<= ULTIMATE.start_main_~y~4 93), 139164#(<= ULTIMATE.start_main_~y~4 90), 139165#(<= ULTIMATE.start_main_~y~4 91), 139170#(<= ULTIMATE.start_main_~y~4 96), 139171#(<= ULTIMATE.start_main_~y~4 97), 139168#(<= ULTIMATE.start_main_~y~4 94), 139169#(<= ULTIMATE.start_main_~y~4 95), 139174#(<= ULTIMATE.start_main_~y~4 100), 139175#(<= ULTIMATE.start_main_~y~4 101), 139172#(<= ULTIMATE.start_main_~y~4 98), 139173#(<= ULTIMATE.start_main_~y~4 99), 139178#(<= ULTIMATE.start_main_~y~4 104), 139179#(<= ULTIMATE.start_main_~y~4 105), 139176#(<= ULTIMATE.start_main_~y~4 102), 139177#(<= ULTIMATE.start_main_~y~4 103), 139182#(<= ULTIMATE.start_main_~y~4 108), 139183#(<= ULTIMATE.start_main_~y~4 109), 139180#(<= ULTIMATE.start_main_~y~4 106), 139181#(<= ULTIMATE.start_main_~y~4 107), 139186#(<= ULTIMATE.start_main_~y~4 112), 139187#(<= ULTIMATE.start_main_~y~4 113), 139184#(<= ULTIMATE.start_main_~y~4 110), 139185#(<= ULTIMATE.start_main_~y~4 111), 139190#(<= ULTIMATE.start_main_~y~4 116), 139191#(<= ULTIMATE.start_main_~y~4 117), 139188#(<= ULTIMATE.start_main_~y~4 114), 139189#(<= ULTIMATE.start_main_~y~4 115), 139194#(<= ULTIMATE.start_main_~y~4 120), 139195#(<= ULTIMATE.start_main_~y~4 121), 139192#(<= ULTIMATE.start_main_~y~4 118), 139193#(<= ULTIMATE.start_main_~y~4 119), 139198#(<= ULTIMATE.start_main_~y~4 124), 139199#(<= ULTIMATE.start_main_~y~4 125), 139196#(<= ULTIMATE.start_main_~y~4 122), 139197#(<= ULTIMATE.start_main_~y~4 123), 139202#(<= ULTIMATE.start_main_~y~4 128), 139203#(<= ULTIMATE.start_main_~y~4 129), 139200#(<= ULTIMATE.start_main_~y~4 126), 139201#(<= ULTIMATE.start_main_~y~4 127), 139206#(<= ULTIMATE.start_main_~y~4 132), 139207#(<= ULTIMATE.start_main_~y~4 133), 139204#(<= ULTIMATE.start_main_~y~4 130), 139205#(<= ULTIMATE.start_main_~y~4 131), 139210#(<= ULTIMATE.start_main_~y~4 136), 139211#(<= ULTIMATE.start_main_~y~4 137), 139208#(<= ULTIMATE.start_main_~y~4 134), 139209#(<= ULTIMATE.start_main_~y~4 135), 139214#(<= ULTIMATE.start_main_~y~4 140), 139215#(<= ULTIMATE.start_main_~y~4 141), 139212#(<= ULTIMATE.start_main_~y~4 138), 139213#(<= ULTIMATE.start_main_~y~4 139), 139218#(<= ULTIMATE.start_main_~y~4 144), 139219#(<= ULTIMATE.start_main_~y~4 145), 139216#(<= ULTIMATE.start_main_~y~4 142), 139217#(<= ULTIMATE.start_main_~y~4 143), 139222#(<= ULTIMATE.start_main_~y~4 148), 139223#(<= ULTIMATE.start_main_~y~4 149), 139220#(<= ULTIMATE.start_main_~y~4 146), 139221#(<= ULTIMATE.start_main_~y~4 147), 139226#(<= ULTIMATE.start_main_~y~4 152), 139227#(<= ULTIMATE.start_main_~y~4 153), 139224#(<= ULTIMATE.start_main_~y~4 150), 139225#(<= ULTIMATE.start_main_~y~4 151), 139230#(<= ULTIMATE.start_main_~y~4 156), 139231#(<= ULTIMATE.start_main_~y~4 157), 139228#(<= ULTIMATE.start_main_~y~4 154), 139229#(<= ULTIMATE.start_main_~y~4 155), 139234#(<= ULTIMATE.start_main_~y~4 160), 139235#(<= ULTIMATE.start_main_~y~4 161), 139232#(<= ULTIMATE.start_main_~y~4 158), 139233#(<= ULTIMATE.start_main_~y~4 159), 139238#(<= ULTIMATE.start_main_~y~4 164), 139239#(<= ULTIMATE.start_main_~y~4 165), 139236#(<= ULTIMATE.start_main_~y~4 162), 139237#(<= ULTIMATE.start_main_~y~4 163), 139242#(<= ULTIMATE.start_main_~y~4 168), 139243#(<= ULTIMATE.start_main_~y~4 169), 139240#(<= ULTIMATE.start_main_~y~4 166), 139241#(<= ULTIMATE.start_main_~y~4 167), 139246#(<= ULTIMATE.start_main_~y~4 172), 139247#(<= ULTIMATE.start_main_~y~4 173), 139244#(<= ULTIMATE.start_main_~y~4 170), 139245#(<= ULTIMATE.start_main_~y~4 171), 139250#(<= ULTIMATE.start_main_~y~4 176), 139251#(<= ULTIMATE.start_main_~y~4 177), 139248#(<= ULTIMATE.start_main_~y~4 174), 139249#(<= ULTIMATE.start_main_~y~4 175), 139254#(<= ULTIMATE.start_main_~y~4 180), 139255#(<= ULTIMATE.start_main_~y~4 181), 139252#(<= ULTIMATE.start_main_~y~4 178), 139253#(<= ULTIMATE.start_main_~y~4 179), 139258#(<= ULTIMATE.start_main_~y~4 184), 139259#(<= ULTIMATE.start_main_~y~4 185), 139256#(<= ULTIMATE.start_main_~y~4 182), 139257#(<= ULTIMATE.start_main_~y~4 183), 139262#(<= ULTIMATE.start_main_~y~4 188), 139263#(<= ULTIMATE.start_main_~y~4 189), 139260#(<= ULTIMATE.start_main_~y~4 186), 139261#(<= ULTIMATE.start_main_~y~4 187)] [2018-07-23 13:40:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,517 INFO L450 AbstractCegarLoop]: Interpolant automaton has 234 states [2018-07-23 13:40:37,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2018-07-23 13:40:37,522 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27261, Invalid=27261, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:40:37,522 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 234 states. [2018-07-23 13:40:38,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:38,430 INFO L93 Difference]: Finished difference Result 238 states and 238 transitions. [2018-07-23 13:40:38,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2018-07-23 13:40:38,430 INFO L78 Accepts]: Start accepts. Automaton has 234 states. Word has length 234 [2018-07-23 13:40:38,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:38,431 INFO L225 Difference]: With dead ends: 238 [2018-07-23 13:40:38,431 INFO L226 Difference]: Without dead ends: 236 [2018-07-23 13:40:38,433 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27261, Invalid=27261, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:40:38,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-07-23 13:40:38,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2018-07-23 13:40:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-07-23 13:40:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 236 transitions. [2018-07-23 13:40:38,436 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 236 transitions. Word has length 234 [2018-07-23 13:40:38,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:38,436 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 236 transitions. [2018-07-23 13:40:38,436 INFO L472 AbstractCegarLoop]: Interpolant automaton has 234 states. [2018-07-23 13:40:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 236 transitions. [2018-07-23 13:40:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-07-23 13:40:38,437 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:38,437 INFO L357 BasicCegarLoop]: trace histogram [232, 1, 1, 1] [2018-07-23 13:40:38,437 INFO L414 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:38,437 INFO L82 PathProgramCache]: Analyzing trace with hash 181663619, now seen corresponding path program 232 times [2018-07-23 13:40:38,437 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 27028 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,815 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:39,815 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [234] total 234 [2018-07-23 13:40:39,815 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:39,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,816 INFO L185 omatonBuilderFactory]: Interpolants [140290#(<= ULTIMATE.start_main_~y~4 34), 140291#(<= ULTIMATE.start_main_~y~4 35), 140288#(<= ULTIMATE.start_main_~y~4 32), 140289#(<= ULTIMATE.start_main_~y~4 33), 140294#(<= ULTIMATE.start_main_~y~4 38), 140295#(<= ULTIMATE.start_main_~y~4 39), 140292#(<= ULTIMATE.start_main_~y~4 36), 140293#(<= ULTIMATE.start_main_~y~4 37), 140298#(<= ULTIMATE.start_main_~y~4 42), 140299#(<= ULTIMATE.start_main_~y~4 43), 140296#(<= ULTIMATE.start_main_~y~4 40), 140297#(<= ULTIMATE.start_main_~y~4 41), 140302#(<= ULTIMATE.start_main_~y~4 46), 140303#(<= ULTIMATE.start_main_~y~4 47), 140300#(<= ULTIMATE.start_main_~y~4 44), 140301#(<= ULTIMATE.start_main_~y~4 45), 140306#(<= ULTIMATE.start_main_~y~4 50), 140307#(<= ULTIMATE.start_main_~y~4 51), 140304#(<= ULTIMATE.start_main_~y~4 48), 140305#(<= ULTIMATE.start_main_~y~4 49), 140310#(<= ULTIMATE.start_main_~y~4 54), 140311#(<= ULTIMATE.start_main_~y~4 55), 140308#(<= ULTIMATE.start_main_~y~4 52), 140309#(<= ULTIMATE.start_main_~y~4 53), 140314#(<= ULTIMATE.start_main_~y~4 58), 140315#(<= ULTIMATE.start_main_~y~4 59), 140312#(<= ULTIMATE.start_main_~y~4 56), 140313#(<= ULTIMATE.start_main_~y~4 57), 140318#(<= ULTIMATE.start_main_~y~4 62), 140319#(<= ULTIMATE.start_main_~y~4 63), 140316#(<= ULTIMATE.start_main_~y~4 60), 140317#(<= ULTIMATE.start_main_~y~4 61), 140322#(<= ULTIMATE.start_main_~y~4 66), 140323#(<= ULTIMATE.start_main_~y~4 67), 140320#(<= ULTIMATE.start_main_~y~4 64), 140321#(<= ULTIMATE.start_main_~y~4 65), 140326#(<= ULTIMATE.start_main_~y~4 70), 140327#(<= ULTIMATE.start_main_~y~4 71), 140324#(<= ULTIMATE.start_main_~y~4 68), 140325#(<= ULTIMATE.start_main_~y~4 69), 140330#(<= ULTIMATE.start_main_~y~4 74), 140331#(<= ULTIMATE.start_main_~y~4 75), 140328#(<= ULTIMATE.start_main_~y~4 72), 140329#(<= ULTIMATE.start_main_~y~4 73), 140334#(<= ULTIMATE.start_main_~y~4 78), 140335#(<= ULTIMATE.start_main_~y~4 79), 140332#(<= ULTIMATE.start_main_~y~4 76), 140333#(<= ULTIMATE.start_main_~y~4 77), 140338#(<= ULTIMATE.start_main_~y~4 82), 140339#(<= ULTIMATE.start_main_~y~4 83), 140336#(<= ULTIMATE.start_main_~y~4 80), 140337#(<= ULTIMATE.start_main_~y~4 81), 140342#(<= ULTIMATE.start_main_~y~4 86), 140343#(<= ULTIMATE.start_main_~y~4 87), 140340#(<= ULTIMATE.start_main_~y~4 84), 140341#(<= ULTIMATE.start_main_~y~4 85), 140346#(<= ULTIMATE.start_main_~y~4 90), 140347#(<= ULTIMATE.start_main_~y~4 91), 140344#(<= ULTIMATE.start_main_~y~4 88), 140345#(<= ULTIMATE.start_main_~y~4 89), 140350#(<= ULTIMATE.start_main_~y~4 94), 140351#(<= ULTIMATE.start_main_~y~4 95), 140348#(<= ULTIMATE.start_main_~y~4 92), 140349#(<= ULTIMATE.start_main_~y~4 93), 140354#(<= ULTIMATE.start_main_~y~4 98), 140355#(<= ULTIMATE.start_main_~y~4 99), 140352#(<= ULTIMATE.start_main_~y~4 96), 140353#(<= ULTIMATE.start_main_~y~4 97), 140358#(<= ULTIMATE.start_main_~y~4 102), 140359#(<= ULTIMATE.start_main_~y~4 103), 140356#(<= ULTIMATE.start_main_~y~4 100), 140357#(<= ULTIMATE.start_main_~y~4 101), 140362#(<= ULTIMATE.start_main_~y~4 106), 140363#(<= ULTIMATE.start_main_~y~4 107), 140360#(<= ULTIMATE.start_main_~y~4 104), 140361#(<= ULTIMATE.start_main_~y~4 105), 140366#(<= ULTIMATE.start_main_~y~4 110), 140367#(<= ULTIMATE.start_main_~y~4 111), 140364#(<= ULTIMATE.start_main_~y~4 108), 140365#(<= ULTIMATE.start_main_~y~4 109), 140370#(<= ULTIMATE.start_main_~y~4 114), 140371#(<= ULTIMATE.start_main_~y~4 115), 140368#(<= ULTIMATE.start_main_~y~4 112), 140369#(<= ULTIMATE.start_main_~y~4 113), 140374#(<= ULTIMATE.start_main_~y~4 118), 140375#(<= ULTIMATE.start_main_~y~4 119), 140372#(<= ULTIMATE.start_main_~y~4 116), 140373#(<= ULTIMATE.start_main_~y~4 117), 140378#(<= ULTIMATE.start_main_~y~4 122), 140379#(<= ULTIMATE.start_main_~y~4 123), 140376#(<= ULTIMATE.start_main_~y~4 120), 140377#(<= ULTIMATE.start_main_~y~4 121), 140382#(<= ULTIMATE.start_main_~y~4 126), 140383#(<= ULTIMATE.start_main_~y~4 127), 140380#(<= ULTIMATE.start_main_~y~4 124), 140381#(<= ULTIMATE.start_main_~y~4 125), 140386#(<= ULTIMATE.start_main_~y~4 130), 140387#(<= ULTIMATE.start_main_~y~4 131), 140384#(<= ULTIMATE.start_main_~y~4 128), 140385#(<= ULTIMATE.start_main_~y~4 129), 140390#(<= ULTIMATE.start_main_~y~4 134), 140391#(<= ULTIMATE.start_main_~y~4 135), 140388#(<= ULTIMATE.start_main_~y~4 132), 140389#(<= ULTIMATE.start_main_~y~4 133), 140394#(<= ULTIMATE.start_main_~y~4 138), 140395#(<= ULTIMATE.start_main_~y~4 139), 140392#(<= ULTIMATE.start_main_~y~4 136), 140393#(<= ULTIMATE.start_main_~y~4 137), 140398#(<= ULTIMATE.start_main_~y~4 142), 140399#(<= ULTIMATE.start_main_~y~4 143), 140396#(<= ULTIMATE.start_main_~y~4 140), 140397#(<= ULTIMATE.start_main_~y~4 141), 140402#(<= ULTIMATE.start_main_~y~4 146), 140403#(<= ULTIMATE.start_main_~y~4 147), 140400#(<= ULTIMATE.start_main_~y~4 144), 140401#(<= ULTIMATE.start_main_~y~4 145), 140406#(<= ULTIMATE.start_main_~y~4 150), 140407#(<= ULTIMATE.start_main_~y~4 151), 140404#(<= ULTIMATE.start_main_~y~4 148), 140405#(<= ULTIMATE.start_main_~y~4 149), 140410#(<= ULTIMATE.start_main_~y~4 154), 140411#(<= ULTIMATE.start_main_~y~4 155), 140408#(<= ULTIMATE.start_main_~y~4 152), 140409#(<= ULTIMATE.start_main_~y~4 153), 140414#(<= ULTIMATE.start_main_~y~4 158), 140415#(<= ULTIMATE.start_main_~y~4 159), 140412#(<= ULTIMATE.start_main_~y~4 156), 140413#(<= ULTIMATE.start_main_~y~4 157), 140418#(<= ULTIMATE.start_main_~y~4 162), 140419#(<= ULTIMATE.start_main_~y~4 163), 140416#(<= ULTIMATE.start_main_~y~4 160), 140417#(<= ULTIMATE.start_main_~y~4 161), 140422#(<= ULTIMATE.start_main_~y~4 166), 140423#(<= ULTIMATE.start_main_~y~4 167), 140420#(<= ULTIMATE.start_main_~y~4 164), 140421#(<= ULTIMATE.start_main_~y~4 165), 140426#(<= ULTIMATE.start_main_~y~4 170), 140427#(<= ULTIMATE.start_main_~y~4 171), 140424#(<= ULTIMATE.start_main_~y~4 168), 140425#(<= ULTIMATE.start_main_~y~4 169), 140430#(<= ULTIMATE.start_main_~y~4 174), 140431#(<= ULTIMATE.start_main_~y~4 175), 140428#(<= ULTIMATE.start_main_~y~4 172), 140429#(<= ULTIMATE.start_main_~y~4 173), 140434#(<= ULTIMATE.start_main_~y~4 178), 140435#(<= ULTIMATE.start_main_~y~4 179), 140432#(<= ULTIMATE.start_main_~y~4 176), 140433#(<= ULTIMATE.start_main_~y~4 177), 140438#(<= ULTIMATE.start_main_~y~4 182), 140439#(<= ULTIMATE.start_main_~y~4 183), 140436#(<= ULTIMATE.start_main_~y~4 180), 140437#(<= ULTIMATE.start_main_~y~4 181), 140442#(<= ULTIMATE.start_main_~y~4 186), 140443#(<= ULTIMATE.start_main_~y~4 187), 140440#(<= ULTIMATE.start_main_~y~4 184), 140441#(<= ULTIMATE.start_main_~y~4 185), 140446#(<= ULTIMATE.start_main_~y~4 190), 140447#(<= ULTIMATE.start_main_~y~4 191), 140444#(<= ULTIMATE.start_main_~y~4 188), 140445#(<= ULTIMATE.start_main_~y~4 189), 140450#(<= ULTIMATE.start_main_~y~4 194), 140451#(<= ULTIMATE.start_main_~y~4 195), 140448#(<= ULTIMATE.start_main_~y~4 192), 140449#(<= ULTIMATE.start_main_~y~4 193), 140454#(<= ULTIMATE.start_main_~y~4 198), 140455#(<= ULTIMATE.start_main_~y~4 199), 140452#(<= ULTIMATE.start_main_~y~4 196), 140453#(<= ULTIMATE.start_main_~y~4 197), 140458#(<= ULTIMATE.start_main_~y~4 202), 140459#(<= ULTIMATE.start_main_~y~4 203), 140456#(<= ULTIMATE.start_main_~y~4 200), 140457#(<= ULTIMATE.start_main_~y~4 201), 140462#(<= ULTIMATE.start_main_~y~4 206), 140463#(<= ULTIMATE.start_main_~y~4 207), 140460#(<= ULTIMATE.start_main_~y~4 204), 140461#(<= ULTIMATE.start_main_~y~4 205), 140466#(<= ULTIMATE.start_main_~y~4 210), 140467#(<= ULTIMATE.start_main_~y~4 211), 140464#(<= ULTIMATE.start_main_~y~4 208), 140465#(<= ULTIMATE.start_main_~y~4 209), 140470#(<= ULTIMATE.start_main_~y~4 214), 140471#(<= ULTIMATE.start_main_~y~4 215), 140468#(<= ULTIMATE.start_main_~y~4 212), 140469#(<= ULTIMATE.start_main_~y~4 213), 140474#(<= ULTIMATE.start_main_~y~4 218), 140475#(<= ULTIMATE.start_main_~y~4 219), 140472#(<= ULTIMATE.start_main_~y~4 216), 140473#(<= ULTIMATE.start_main_~y~4 217), 140478#(<= ULTIMATE.start_main_~y~4 222), 140479#(<= ULTIMATE.start_main_~y~4 223), 140476#(<= ULTIMATE.start_main_~y~4 220), 140477#(<= ULTIMATE.start_main_~y~4 221), 140482#(<= ULTIMATE.start_main_~y~4 226), 140483#(<= ULTIMATE.start_main_~y~4 227), 140480#(<= ULTIMATE.start_main_~y~4 224), 140481#(<= ULTIMATE.start_main_~y~4 225), 140486#(<= ULTIMATE.start_main_~y~4 230), 140487#(<= ULTIMATE.start_main_~y~4 231), 140484#(<= ULTIMATE.start_main_~y~4 228), 140485#(<= ULTIMATE.start_main_~y~4 229), 140488#(<= ULTIMATE.start_main_~y~4 232), 140254#true, 140255#false, 140258#(<= ULTIMATE.start_main_~y~4 2), 140259#(<= ULTIMATE.start_main_~y~4 3), 140256#(<= ULTIMATE.start_main_~y~4 0), 140257#(<= ULTIMATE.start_main_~y~4 1), 140262#(<= ULTIMATE.start_main_~y~4 6), 140263#(<= ULTIMATE.start_main_~y~4 7), 140260#(<= ULTIMATE.start_main_~y~4 4), 140261#(<= ULTIMATE.start_main_~y~4 5), 140266#(<= ULTIMATE.start_main_~y~4 10), 140267#(<= ULTIMATE.start_main_~y~4 11), 140264#(<= ULTIMATE.start_main_~y~4 8), 140265#(<= ULTIMATE.start_main_~y~4 9), 140270#(<= ULTIMATE.start_main_~y~4 14), 140271#(<= ULTIMATE.start_main_~y~4 15), 140268#(<= ULTIMATE.start_main_~y~4 12), 140269#(<= ULTIMATE.start_main_~y~4 13), 140274#(<= ULTIMATE.start_main_~y~4 18), 140275#(<= ULTIMATE.start_main_~y~4 19), 140272#(<= ULTIMATE.start_main_~y~4 16), 140273#(<= ULTIMATE.start_main_~y~4 17), 140278#(<= ULTIMATE.start_main_~y~4 22), 140279#(<= ULTIMATE.start_main_~y~4 23), 140276#(<= ULTIMATE.start_main_~y~4 20), 140277#(<= ULTIMATE.start_main_~y~4 21), 140282#(<= ULTIMATE.start_main_~y~4 26), 140283#(<= ULTIMATE.start_main_~y~4 27), 140280#(<= ULTIMATE.start_main_~y~4 24), 140281#(<= ULTIMATE.start_main_~y~4 25), 140286#(<= ULTIMATE.start_main_~y~4 30), 140287#(<= ULTIMATE.start_main_~y~4 31), 140284#(<= ULTIMATE.start_main_~y~4 28), 140285#(<= ULTIMATE.start_main_~y~4 29)] [2018-07-23 13:40:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 27028 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,817 INFO L450 AbstractCegarLoop]: Interpolant automaton has 235 states [2018-07-23 13:40:39,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2018-07-23 13:40:39,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27495, Invalid=27495, Unknown=0, NotChecked=0, Total=54990 [2018-07-23 13:40:39,821 INFO L87 Difference]: Start difference. First operand 236 states and 236 transitions. Second operand 235 states. [2018-07-23 13:40:41,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:41,184 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:40:41,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2018-07-23 13:40:41,185 INFO L78 Accepts]: Start accepts. Automaton has 235 states. Word has length 235 [2018-07-23 13:40:41,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:41,185 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:40:41,185 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:40:41,186 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 233 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27495, Invalid=27495, Unknown=0, NotChecked=0, Total=54990 [2018-07-23 13:40:41,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:40:41,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:40:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:40:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:40:41,189 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 235 [2018-07-23 13:40:41,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:41,189 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:40:41,189 INFO L472 AbstractCegarLoop]: Interpolant automaton has 235 states. [2018-07-23 13:40:41,189 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:40:41,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:40:41,189 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:41,189 INFO L357 BasicCegarLoop]: trace histogram [233, 1, 1, 1] [2018-07-23 13:40:41,190 INFO L414 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:41,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1336606700, now seen corresponding path program 233 times [2018-07-23 13:40:41,190 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 27261 backedges. 0 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,437 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:42,437 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [235] total 235 [2018-07-23 13:40:42,437 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,438 INFO L185 omatonBuilderFactory]: Interpolants [141442#false, 141443#(<= ULTIMATE.start_main_~y~4 0), 141441#true, 141446#(<= ULTIMATE.start_main_~y~4 3), 141447#(<= ULTIMATE.start_main_~y~4 4), 141444#(<= ULTIMATE.start_main_~y~4 1), 141445#(<= ULTIMATE.start_main_~y~4 2), 141450#(<= ULTIMATE.start_main_~y~4 7), 141451#(<= ULTIMATE.start_main_~y~4 8), 141448#(<= ULTIMATE.start_main_~y~4 5), 141449#(<= ULTIMATE.start_main_~y~4 6), 141454#(<= ULTIMATE.start_main_~y~4 11), 141455#(<= ULTIMATE.start_main_~y~4 12), 141452#(<= ULTIMATE.start_main_~y~4 9), 141453#(<= ULTIMATE.start_main_~y~4 10), 141458#(<= ULTIMATE.start_main_~y~4 15), 141459#(<= ULTIMATE.start_main_~y~4 16), 141456#(<= ULTIMATE.start_main_~y~4 13), 141457#(<= ULTIMATE.start_main_~y~4 14), 141462#(<= ULTIMATE.start_main_~y~4 19), 141463#(<= ULTIMATE.start_main_~y~4 20), 141460#(<= ULTIMATE.start_main_~y~4 17), 141461#(<= ULTIMATE.start_main_~y~4 18), 141466#(<= ULTIMATE.start_main_~y~4 23), 141467#(<= ULTIMATE.start_main_~y~4 24), 141464#(<= ULTIMATE.start_main_~y~4 21), 141465#(<= ULTIMATE.start_main_~y~4 22), 141470#(<= ULTIMATE.start_main_~y~4 27), 141471#(<= ULTIMATE.start_main_~y~4 28), 141468#(<= ULTIMATE.start_main_~y~4 25), 141469#(<= ULTIMATE.start_main_~y~4 26), 141474#(<= ULTIMATE.start_main_~y~4 31), 141475#(<= ULTIMATE.start_main_~y~4 32), 141472#(<= ULTIMATE.start_main_~y~4 29), 141473#(<= ULTIMATE.start_main_~y~4 30), 141478#(<= ULTIMATE.start_main_~y~4 35), 141479#(<= ULTIMATE.start_main_~y~4 36), 141476#(<= ULTIMATE.start_main_~y~4 33), 141477#(<= ULTIMATE.start_main_~y~4 34), 141482#(<= ULTIMATE.start_main_~y~4 39), 141483#(<= ULTIMATE.start_main_~y~4 40), 141480#(<= ULTIMATE.start_main_~y~4 37), 141481#(<= ULTIMATE.start_main_~y~4 38), 141486#(<= ULTIMATE.start_main_~y~4 43), 141487#(<= ULTIMATE.start_main_~y~4 44), 141484#(<= ULTIMATE.start_main_~y~4 41), 141485#(<= ULTIMATE.start_main_~y~4 42), 141490#(<= ULTIMATE.start_main_~y~4 47), 141491#(<= ULTIMATE.start_main_~y~4 48), 141488#(<= ULTIMATE.start_main_~y~4 45), 141489#(<= ULTIMATE.start_main_~y~4 46), 141494#(<= ULTIMATE.start_main_~y~4 51), 141495#(<= ULTIMATE.start_main_~y~4 52), 141492#(<= ULTIMATE.start_main_~y~4 49), 141493#(<= ULTIMATE.start_main_~y~4 50), 141498#(<= ULTIMATE.start_main_~y~4 55), 141499#(<= ULTIMATE.start_main_~y~4 56), 141496#(<= ULTIMATE.start_main_~y~4 53), 141497#(<= ULTIMATE.start_main_~y~4 54), 141502#(<= ULTIMATE.start_main_~y~4 59), 141503#(<= ULTIMATE.start_main_~y~4 60), 141500#(<= ULTIMATE.start_main_~y~4 57), 141501#(<= ULTIMATE.start_main_~y~4 58), 141506#(<= ULTIMATE.start_main_~y~4 63), 141507#(<= ULTIMATE.start_main_~y~4 64), 141504#(<= ULTIMATE.start_main_~y~4 61), 141505#(<= ULTIMATE.start_main_~y~4 62), 141510#(<= ULTIMATE.start_main_~y~4 67), 141511#(<= ULTIMATE.start_main_~y~4 68), 141508#(<= ULTIMATE.start_main_~y~4 65), 141509#(<= ULTIMATE.start_main_~y~4 66), 141514#(<= ULTIMATE.start_main_~y~4 71), 141515#(<= ULTIMATE.start_main_~y~4 72), 141512#(<= ULTIMATE.start_main_~y~4 69), 141513#(<= ULTIMATE.start_main_~y~4 70), 141518#(<= ULTIMATE.start_main_~y~4 75), 141519#(<= ULTIMATE.start_main_~y~4 76), 141516#(<= ULTIMATE.start_main_~y~4 73), 141517#(<= ULTIMATE.start_main_~y~4 74), 141522#(<= ULTIMATE.start_main_~y~4 79), 141523#(<= ULTIMATE.start_main_~y~4 80), 141520#(<= ULTIMATE.start_main_~y~4 77), 141521#(<= ULTIMATE.start_main_~y~4 78), 141526#(<= ULTIMATE.start_main_~y~4 83), 141527#(<= ULTIMATE.start_main_~y~4 84), 141524#(<= ULTIMATE.start_main_~y~4 81), 141525#(<= ULTIMATE.start_main_~y~4 82), 141530#(<= ULTIMATE.start_main_~y~4 87), 141531#(<= ULTIMATE.start_main_~y~4 88), 141528#(<= ULTIMATE.start_main_~y~4 85), 141529#(<= ULTIMATE.start_main_~y~4 86), 141534#(<= ULTIMATE.start_main_~y~4 91), 141535#(<= ULTIMATE.start_main_~y~4 92), 141532#(<= ULTIMATE.start_main_~y~4 89), 141533#(<= ULTIMATE.start_main_~y~4 90), 141538#(<= ULTIMATE.start_main_~y~4 95), 141539#(<= ULTIMATE.start_main_~y~4 96), 141536#(<= ULTIMATE.start_main_~y~4 93), 141537#(<= ULTIMATE.start_main_~y~4 94), 141542#(<= ULTIMATE.start_main_~y~4 99), 141543#(<= ULTIMATE.start_main_~y~4 100), 141540#(<= ULTIMATE.start_main_~y~4 97), 141541#(<= ULTIMATE.start_main_~y~4 98), 141546#(<= ULTIMATE.start_main_~y~4 103), 141547#(<= ULTIMATE.start_main_~y~4 104), 141544#(<= ULTIMATE.start_main_~y~4 101), 141545#(<= ULTIMATE.start_main_~y~4 102), 141550#(<= ULTIMATE.start_main_~y~4 107), 141551#(<= ULTIMATE.start_main_~y~4 108), 141548#(<= ULTIMATE.start_main_~y~4 105), 141549#(<= ULTIMATE.start_main_~y~4 106), 141554#(<= ULTIMATE.start_main_~y~4 111), 141555#(<= ULTIMATE.start_main_~y~4 112), 141552#(<= ULTIMATE.start_main_~y~4 109), 141553#(<= ULTIMATE.start_main_~y~4 110), 141558#(<= ULTIMATE.start_main_~y~4 115), 141559#(<= ULTIMATE.start_main_~y~4 116), 141556#(<= ULTIMATE.start_main_~y~4 113), 141557#(<= ULTIMATE.start_main_~y~4 114), 141562#(<= ULTIMATE.start_main_~y~4 119), 141563#(<= ULTIMATE.start_main_~y~4 120), 141560#(<= ULTIMATE.start_main_~y~4 117), 141561#(<= ULTIMATE.start_main_~y~4 118), 141566#(<= ULTIMATE.start_main_~y~4 123), 141567#(<= ULTIMATE.start_main_~y~4 124), 141564#(<= ULTIMATE.start_main_~y~4 121), 141565#(<= ULTIMATE.start_main_~y~4 122), 141570#(<= ULTIMATE.start_main_~y~4 127), 141571#(<= ULTIMATE.start_main_~y~4 128), 141568#(<= ULTIMATE.start_main_~y~4 125), 141569#(<= ULTIMATE.start_main_~y~4 126), 141574#(<= ULTIMATE.start_main_~y~4 131), 141575#(<= ULTIMATE.start_main_~y~4 132), 141572#(<= ULTIMATE.start_main_~y~4 129), 141573#(<= ULTIMATE.start_main_~y~4 130), 141578#(<= ULTIMATE.start_main_~y~4 135), 141579#(<= ULTIMATE.start_main_~y~4 136), 141576#(<= ULTIMATE.start_main_~y~4 133), 141577#(<= ULTIMATE.start_main_~y~4 134), 141582#(<= ULTIMATE.start_main_~y~4 139), 141583#(<= ULTIMATE.start_main_~y~4 140), 141580#(<= ULTIMATE.start_main_~y~4 137), 141581#(<= ULTIMATE.start_main_~y~4 138), 141586#(<= ULTIMATE.start_main_~y~4 143), 141587#(<= ULTIMATE.start_main_~y~4 144), 141584#(<= ULTIMATE.start_main_~y~4 141), 141585#(<= ULTIMATE.start_main_~y~4 142), 141590#(<= ULTIMATE.start_main_~y~4 147), 141591#(<= ULTIMATE.start_main_~y~4 148), 141588#(<= ULTIMATE.start_main_~y~4 145), 141589#(<= ULTIMATE.start_main_~y~4 146), 141594#(<= ULTIMATE.start_main_~y~4 151), 141595#(<= ULTIMATE.start_main_~y~4 152), 141592#(<= ULTIMATE.start_main_~y~4 149), 141593#(<= ULTIMATE.start_main_~y~4 150), 141598#(<= ULTIMATE.start_main_~y~4 155), 141599#(<= ULTIMATE.start_main_~y~4 156), 141596#(<= ULTIMATE.start_main_~y~4 153), 141597#(<= ULTIMATE.start_main_~y~4 154), 141602#(<= ULTIMATE.start_main_~y~4 159), 141603#(<= ULTIMATE.start_main_~y~4 160), 141600#(<= ULTIMATE.start_main_~y~4 157), 141601#(<= ULTIMATE.start_main_~y~4 158), 141606#(<= ULTIMATE.start_main_~y~4 163), 141607#(<= ULTIMATE.start_main_~y~4 164), 141604#(<= ULTIMATE.start_main_~y~4 161), 141605#(<= ULTIMATE.start_main_~y~4 162), 141610#(<= ULTIMATE.start_main_~y~4 167), 141611#(<= ULTIMATE.start_main_~y~4 168), 141608#(<= ULTIMATE.start_main_~y~4 165), 141609#(<= ULTIMATE.start_main_~y~4 166), 141614#(<= ULTIMATE.start_main_~y~4 171), 141615#(<= ULTIMATE.start_main_~y~4 172), 141612#(<= ULTIMATE.start_main_~y~4 169), 141613#(<= ULTIMATE.start_main_~y~4 170), 141618#(<= ULTIMATE.start_main_~y~4 175), 141619#(<= ULTIMATE.start_main_~y~4 176), 141616#(<= ULTIMATE.start_main_~y~4 173), 141617#(<= ULTIMATE.start_main_~y~4 174), 141622#(<= ULTIMATE.start_main_~y~4 179), 141623#(<= ULTIMATE.start_main_~y~4 180), 141620#(<= ULTIMATE.start_main_~y~4 177), 141621#(<= ULTIMATE.start_main_~y~4 178), 141626#(<= ULTIMATE.start_main_~y~4 183), 141627#(<= ULTIMATE.start_main_~y~4 184), 141624#(<= ULTIMATE.start_main_~y~4 181), 141625#(<= ULTIMATE.start_main_~y~4 182), 141630#(<= ULTIMATE.start_main_~y~4 187), 141631#(<= ULTIMATE.start_main_~y~4 188), 141628#(<= ULTIMATE.start_main_~y~4 185), 141629#(<= ULTIMATE.start_main_~y~4 186), 141634#(<= ULTIMATE.start_main_~y~4 191), 141635#(<= ULTIMATE.start_main_~y~4 192), 141632#(<= ULTIMATE.start_main_~y~4 189), 141633#(<= ULTIMATE.start_main_~y~4 190), 141638#(<= ULTIMATE.start_main_~y~4 195), 141639#(<= ULTIMATE.start_main_~y~4 196), 141636#(<= ULTIMATE.start_main_~y~4 193), 141637#(<= ULTIMATE.start_main_~y~4 194), 141642#(<= ULTIMATE.start_main_~y~4 199), 141643#(<= ULTIMATE.start_main_~y~4 200), 141640#(<= ULTIMATE.start_main_~y~4 197), 141641#(<= ULTIMATE.start_main_~y~4 198), 141646#(<= ULTIMATE.start_main_~y~4 203), 141647#(<= ULTIMATE.start_main_~y~4 204), 141644#(<= ULTIMATE.start_main_~y~4 201), 141645#(<= ULTIMATE.start_main_~y~4 202), 141650#(<= ULTIMATE.start_main_~y~4 207), 141651#(<= ULTIMATE.start_main_~y~4 208), 141648#(<= ULTIMATE.start_main_~y~4 205), 141649#(<= ULTIMATE.start_main_~y~4 206), 141654#(<= ULTIMATE.start_main_~y~4 211), 141655#(<= ULTIMATE.start_main_~y~4 212), 141652#(<= ULTIMATE.start_main_~y~4 209), 141653#(<= ULTIMATE.start_main_~y~4 210), 141658#(<= ULTIMATE.start_main_~y~4 215), 141659#(<= ULTIMATE.start_main_~y~4 216), 141656#(<= ULTIMATE.start_main_~y~4 213), 141657#(<= ULTIMATE.start_main_~y~4 214), 141662#(<= ULTIMATE.start_main_~y~4 219), 141663#(<= ULTIMATE.start_main_~y~4 220), 141660#(<= ULTIMATE.start_main_~y~4 217), 141661#(<= ULTIMATE.start_main_~y~4 218), 141666#(<= ULTIMATE.start_main_~y~4 223), 141667#(<= ULTIMATE.start_main_~y~4 224), 141664#(<= ULTIMATE.start_main_~y~4 221), 141665#(<= ULTIMATE.start_main_~y~4 222), 141670#(<= ULTIMATE.start_main_~y~4 227), 141671#(<= ULTIMATE.start_main_~y~4 228), 141668#(<= ULTIMATE.start_main_~y~4 225), 141669#(<= ULTIMATE.start_main_~y~4 226), 141674#(<= ULTIMATE.start_main_~y~4 231), 141675#(<= ULTIMATE.start_main_~y~4 232), 141672#(<= ULTIMATE.start_main_~y~4 229), 141673#(<= ULTIMATE.start_main_~y~4 230), 141676#(<= ULTIMATE.start_main_~y~4 233)] [2018-07-23 13:40:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 27261 backedges. 0 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,439 INFO L450 AbstractCegarLoop]: Interpolant automaton has 236 states [2018-07-23 13:40:42,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2018-07-23 13:40:42,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27730, Invalid=27730, Unknown=0, NotChecked=0, Total=55460 [2018-07-23 13:40:42,446 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 236 states. [2018-07-23 13:40:43,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:43,697 INFO L93 Difference]: Finished difference Result 240 states and 240 transitions. [2018-07-23 13:40:43,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2018-07-23 13:40:43,697 INFO L78 Accepts]: Start accepts. Automaton has 236 states. Word has length 236 [2018-07-23 13:40:43,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:43,698 INFO L225 Difference]: With dead ends: 240 [2018-07-23 13:40:43,698 INFO L226 Difference]: Without dead ends: 238 [2018-07-23 13:40:43,700 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27730, Invalid=27730, Unknown=0, NotChecked=0, Total=55460 [2018-07-23 13:40:43,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-07-23 13:40:43,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-07-23 13:40:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-07-23 13:40:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 238 transitions. [2018-07-23 13:40:43,702 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 238 transitions. Word has length 236 [2018-07-23 13:40:43,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:43,703 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 238 transitions. [2018-07-23 13:40:43,703 INFO L472 AbstractCegarLoop]: Interpolant automaton has 236 states. [2018-07-23 13:40:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 238 transitions. [2018-07-23 13:40:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-07-23 13:40:43,703 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:43,703 INFO L357 BasicCegarLoop]: trace histogram [234, 1, 1, 1] [2018-07-23 13:40:43,704 INFO L414 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:43,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1514863453, now seen corresponding path program 234 times [2018-07-23 13:40:43,704 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 27495 backedges. 0 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,089 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:45,089 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [236] total 236 [2018-07-23 13:40:45,090 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:45,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,090 INFO L185 omatonBuilderFactory]: Interpolants [142850#(<= ULTIMATE.start_main_~y~4 215), 142851#(<= ULTIMATE.start_main_~y~4 216), 142848#(<= ULTIMATE.start_main_~y~4 213), 142849#(<= ULTIMATE.start_main_~y~4 214), 142854#(<= ULTIMATE.start_main_~y~4 219), 142855#(<= ULTIMATE.start_main_~y~4 220), 142852#(<= ULTIMATE.start_main_~y~4 217), 142853#(<= ULTIMATE.start_main_~y~4 218), 142858#(<= ULTIMATE.start_main_~y~4 223), 142859#(<= ULTIMATE.start_main_~y~4 224), 142856#(<= ULTIMATE.start_main_~y~4 221), 142857#(<= ULTIMATE.start_main_~y~4 222), 142862#(<= ULTIMATE.start_main_~y~4 227), 142863#(<= ULTIMATE.start_main_~y~4 228), 142860#(<= ULTIMATE.start_main_~y~4 225), 142861#(<= ULTIMATE.start_main_~y~4 226), 142866#(<= ULTIMATE.start_main_~y~4 231), 142867#(<= ULTIMATE.start_main_~y~4 232), 142864#(<= ULTIMATE.start_main_~y~4 229), 142865#(<= ULTIMATE.start_main_~y~4 230), 142868#(<= ULTIMATE.start_main_~y~4 233), 142869#(<= ULTIMATE.start_main_~y~4 234), 142634#false, 142635#(<= ULTIMATE.start_main_~y~4 0), 142633#true, 142638#(<= ULTIMATE.start_main_~y~4 3), 142639#(<= ULTIMATE.start_main_~y~4 4), 142636#(<= ULTIMATE.start_main_~y~4 1), 142637#(<= ULTIMATE.start_main_~y~4 2), 142642#(<= ULTIMATE.start_main_~y~4 7), 142643#(<= ULTIMATE.start_main_~y~4 8), 142640#(<= ULTIMATE.start_main_~y~4 5), 142641#(<= ULTIMATE.start_main_~y~4 6), 142646#(<= ULTIMATE.start_main_~y~4 11), 142647#(<= ULTIMATE.start_main_~y~4 12), 142644#(<= ULTIMATE.start_main_~y~4 9), 142645#(<= ULTIMATE.start_main_~y~4 10), 142650#(<= ULTIMATE.start_main_~y~4 15), 142651#(<= ULTIMATE.start_main_~y~4 16), 142648#(<= ULTIMATE.start_main_~y~4 13), 142649#(<= ULTIMATE.start_main_~y~4 14), 142654#(<= ULTIMATE.start_main_~y~4 19), 142655#(<= ULTIMATE.start_main_~y~4 20), 142652#(<= ULTIMATE.start_main_~y~4 17), 142653#(<= ULTIMATE.start_main_~y~4 18), 142658#(<= ULTIMATE.start_main_~y~4 23), 142659#(<= ULTIMATE.start_main_~y~4 24), 142656#(<= ULTIMATE.start_main_~y~4 21), 142657#(<= ULTIMATE.start_main_~y~4 22), 142662#(<= ULTIMATE.start_main_~y~4 27), 142663#(<= ULTIMATE.start_main_~y~4 28), 142660#(<= ULTIMATE.start_main_~y~4 25), 142661#(<= ULTIMATE.start_main_~y~4 26), 142666#(<= ULTIMATE.start_main_~y~4 31), 142667#(<= ULTIMATE.start_main_~y~4 32), 142664#(<= ULTIMATE.start_main_~y~4 29), 142665#(<= ULTIMATE.start_main_~y~4 30), 142670#(<= ULTIMATE.start_main_~y~4 35), 142671#(<= ULTIMATE.start_main_~y~4 36), 142668#(<= ULTIMATE.start_main_~y~4 33), 142669#(<= ULTIMATE.start_main_~y~4 34), 142674#(<= ULTIMATE.start_main_~y~4 39), 142675#(<= ULTIMATE.start_main_~y~4 40), 142672#(<= ULTIMATE.start_main_~y~4 37), 142673#(<= ULTIMATE.start_main_~y~4 38), 142678#(<= ULTIMATE.start_main_~y~4 43), 142679#(<= ULTIMATE.start_main_~y~4 44), 142676#(<= ULTIMATE.start_main_~y~4 41), 142677#(<= ULTIMATE.start_main_~y~4 42), 142682#(<= ULTIMATE.start_main_~y~4 47), 142683#(<= ULTIMATE.start_main_~y~4 48), 142680#(<= ULTIMATE.start_main_~y~4 45), 142681#(<= ULTIMATE.start_main_~y~4 46), 142686#(<= ULTIMATE.start_main_~y~4 51), 142687#(<= ULTIMATE.start_main_~y~4 52), 142684#(<= ULTIMATE.start_main_~y~4 49), 142685#(<= ULTIMATE.start_main_~y~4 50), 142690#(<= ULTIMATE.start_main_~y~4 55), 142691#(<= ULTIMATE.start_main_~y~4 56), 142688#(<= ULTIMATE.start_main_~y~4 53), 142689#(<= ULTIMATE.start_main_~y~4 54), 142694#(<= ULTIMATE.start_main_~y~4 59), 142695#(<= ULTIMATE.start_main_~y~4 60), 142692#(<= ULTIMATE.start_main_~y~4 57), 142693#(<= ULTIMATE.start_main_~y~4 58), 142698#(<= ULTIMATE.start_main_~y~4 63), 142699#(<= ULTIMATE.start_main_~y~4 64), 142696#(<= ULTIMATE.start_main_~y~4 61), 142697#(<= ULTIMATE.start_main_~y~4 62), 142702#(<= ULTIMATE.start_main_~y~4 67), 142703#(<= ULTIMATE.start_main_~y~4 68), 142700#(<= ULTIMATE.start_main_~y~4 65), 142701#(<= ULTIMATE.start_main_~y~4 66), 142706#(<= ULTIMATE.start_main_~y~4 71), 142707#(<= ULTIMATE.start_main_~y~4 72), 142704#(<= ULTIMATE.start_main_~y~4 69), 142705#(<= ULTIMATE.start_main_~y~4 70), 142710#(<= ULTIMATE.start_main_~y~4 75), 142711#(<= ULTIMATE.start_main_~y~4 76), 142708#(<= ULTIMATE.start_main_~y~4 73), 142709#(<= ULTIMATE.start_main_~y~4 74), 142714#(<= ULTIMATE.start_main_~y~4 79), 142715#(<= ULTIMATE.start_main_~y~4 80), 142712#(<= ULTIMATE.start_main_~y~4 77), 142713#(<= ULTIMATE.start_main_~y~4 78), 142718#(<= ULTIMATE.start_main_~y~4 83), 142719#(<= ULTIMATE.start_main_~y~4 84), 142716#(<= ULTIMATE.start_main_~y~4 81), 142717#(<= ULTIMATE.start_main_~y~4 82), 142722#(<= ULTIMATE.start_main_~y~4 87), 142723#(<= ULTIMATE.start_main_~y~4 88), 142720#(<= ULTIMATE.start_main_~y~4 85), 142721#(<= ULTIMATE.start_main_~y~4 86), 142726#(<= ULTIMATE.start_main_~y~4 91), 142727#(<= ULTIMATE.start_main_~y~4 92), 142724#(<= ULTIMATE.start_main_~y~4 89), 142725#(<= ULTIMATE.start_main_~y~4 90), 142730#(<= ULTIMATE.start_main_~y~4 95), 142731#(<= ULTIMATE.start_main_~y~4 96), 142728#(<= ULTIMATE.start_main_~y~4 93), 142729#(<= ULTIMATE.start_main_~y~4 94), 142734#(<= ULTIMATE.start_main_~y~4 99), 142735#(<= ULTIMATE.start_main_~y~4 100), 142732#(<= ULTIMATE.start_main_~y~4 97), 142733#(<= ULTIMATE.start_main_~y~4 98), 142738#(<= ULTIMATE.start_main_~y~4 103), 142739#(<= ULTIMATE.start_main_~y~4 104), 142736#(<= ULTIMATE.start_main_~y~4 101), 142737#(<= ULTIMATE.start_main_~y~4 102), 142742#(<= ULTIMATE.start_main_~y~4 107), 142743#(<= ULTIMATE.start_main_~y~4 108), 142740#(<= ULTIMATE.start_main_~y~4 105), 142741#(<= ULTIMATE.start_main_~y~4 106), 142746#(<= ULTIMATE.start_main_~y~4 111), 142747#(<= ULTIMATE.start_main_~y~4 112), 142744#(<= ULTIMATE.start_main_~y~4 109), 142745#(<= ULTIMATE.start_main_~y~4 110), 142750#(<= ULTIMATE.start_main_~y~4 115), 142751#(<= ULTIMATE.start_main_~y~4 116), 142748#(<= ULTIMATE.start_main_~y~4 113), 142749#(<= ULTIMATE.start_main_~y~4 114), 142754#(<= ULTIMATE.start_main_~y~4 119), 142755#(<= ULTIMATE.start_main_~y~4 120), 142752#(<= ULTIMATE.start_main_~y~4 117), 142753#(<= ULTIMATE.start_main_~y~4 118), 142758#(<= ULTIMATE.start_main_~y~4 123), 142759#(<= ULTIMATE.start_main_~y~4 124), 142756#(<= ULTIMATE.start_main_~y~4 121), 142757#(<= ULTIMATE.start_main_~y~4 122), 142762#(<= ULTIMATE.start_main_~y~4 127), 142763#(<= ULTIMATE.start_main_~y~4 128), 142760#(<= ULTIMATE.start_main_~y~4 125), 142761#(<= ULTIMATE.start_main_~y~4 126), 142766#(<= ULTIMATE.start_main_~y~4 131), 142767#(<= ULTIMATE.start_main_~y~4 132), 142764#(<= ULTIMATE.start_main_~y~4 129), 142765#(<= ULTIMATE.start_main_~y~4 130), 142770#(<= ULTIMATE.start_main_~y~4 135), 142771#(<= ULTIMATE.start_main_~y~4 136), 142768#(<= ULTIMATE.start_main_~y~4 133), 142769#(<= ULTIMATE.start_main_~y~4 134), 142774#(<= ULTIMATE.start_main_~y~4 139), 142775#(<= ULTIMATE.start_main_~y~4 140), 142772#(<= ULTIMATE.start_main_~y~4 137), 142773#(<= ULTIMATE.start_main_~y~4 138), 142778#(<= ULTIMATE.start_main_~y~4 143), 142779#(<= ULTIMATE.start_main_~y~4 144), 142776#(<= ULTIMATE.start_main_~y~4 141), 142777#(<= ULTIMATE.start_main_~y~4 142), 142782#(<= ULTIMATE.start_main_~y~4 147), 142783#(<= ULTIMATE.start_main_~y~4 148), 142780#(<= ULTIMATE.start_main_~y~4 145), 142781#(<= ULTIMATE.start_main_~y~4 146), 142786#(<= ULTIMATE.start_main_~y~4 151), 142787#(<= ULTIMATE.start_main_~y~4 152), 142784#(<= ULTIMATE.start_main_~y~4 149), 142785#(<= ULTIMATE.start_main_~y~4 150), 142790#(<= ULTIMATE.start_main_~y~4 155), 142791#(<= ULTIMATE.start_main_~y~4 156), 142788#(<= ULTIMATE.start_main_~y~4 153), 142789#(<= ULTIMATE.start_main_~y~4 154), 142794#(<= ULTIMATE.start_main_~y~4 159), 142795#(<= ULTIMATE.start_main_~y~4 160), 142792#(<= ULTIMATE.start_main_~y~4 157), 142793#(<= ULTIMATE.start_main_~y~4 158), 142798#(<= ULTIMATE.start_main_~y~4 163), 142799#(<= ULTIMATE.start_main_~y~4 164), 142796#(<= ULTIMATE.start_main_~y~4 161), 142797#(<= ULTIMATE.start_main_~y~4 162), 142802#(<= ULTIMATE.start_main_~y~4 167), 142803#(<= ULTIMATE.start_main_~y~4 168), 142800#(<= ULTIMATE.start_main_~y~4 165), 142801#(<= ULTIMATE.start_main_~y~4 166), 142806#(<= ULTIMATE.start_main_~y~4 171), 142807#(<= ULTIMATE.start_main_~y~4 172), 142804#(<= ULTIMATE.start_main_~y~4 169), 142805#(<= ULTIMATE.start_main_~y~4 170), 142810#(<= ULTIMATE.start_main_~y~4 175), 142811#(<= ULTIMATE.start_main_~y~4 176), 142808#(<= ULTIMATE.start_main_~y~4 173), 142809#(<= ULTIMATE.start_main_~y~4 174), 142814#(<= ULTIMATE.start_main_~y~4 179), 142815#(<= ULTIMATE.start_main_~y~4 180), 142812#(<= ULTIMATE.start_main_~y~4 177), 142813#(<= ULTIMATE.start_main_~y~4 178), 142818#(<= ULTIMATE.start_main_~y~4 183), 142819#(<= ULTIMATE.start_main_~y~4 184), 142816#(<= ULTIMATE.start_main_~y~4 181), 142817#(<= ULTIMATE.start_main_~y~4 182), 142822#(<= ULTIMATE.start_main_~y~4 187), 142823#(<= ULTIMATE.start_main_~y~4 188), 142820#(<= ULTIMATE.start_main_~y~4 185), 142821#(<= ULTIMATE.start_main_~y~4 186), 142826#(<= ULTIMATE.start_main_~y~4 191), 142827#(<= ULTIMATE.start_main_~y~4 192), 142824#(<= ULTIMATE.start_main_~y~4 189), 142825#(<= ULTIMATE.start_main_~y~4 190), 142830#(<= ULTIMATE.start_main_~y~4 195), 142831#(<= ULTIMATE.start_main_~y~4 196), 142828#(<= ULTIMATE.start_main_~y~4 193), 142829#(<= ULTIMATE.start_main_~y~4 194), 142834#(<= ULTIMATE.start_main_~y~4 199), 142835#(<= ULTIMATE.start_main_~y~4 200), 142832#(<= ULTIMATE.start_main_~y~4 197), 142833#(<= ULTIMATE.start_main_~y~4 198), 142838#(<= ULTIMATE.start_main_~y~4 203), 142839#(<= ULTIMATE.start_main_~y~4 204), 142836#(<= ULTIMATE.start_main_~y~4 201), 142837#(<= ULTIMATE.start_main_~y~4 202), 142842#(<= ULTIMATE.start_main_~y~4 207), 142843#(<= ULTIMATE.start_main_~y~4 208), 142840#(<= ULTIMATE.start_main_~y~4 205), 142841#(<= ULTIMATE.start_main_~y~4 206), 142846#(<= ULTIMATE.start_main_~y~4 211), 142847#(<= ULTIMATE.start_main_~y~4 212), 142844#(<= ULTIMATE.start_main_~y~4 209), 142845#(<= ULTIMATE.start_main_~y~4 210)] [2018-07-23 13:40:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 27495 backedges. 0 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,092 INFO L450 AbstractCegarLoop]: Interpolant automaton has 237 states [2018-07-23 13:40:45,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants. [2018-07-23 13:40:45,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27966, Invalid=27966, Unknown=0, NotChecked=0, Total=55932 [2018-07-23 13:40:45,095 INFO L87 Difference]: Start difference. First operand 238 states and 238 transitions. Second operand 237 states. [2018-07-23 13:40:46,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:46,657 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:40:46,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2018-07-23 13:40:46,658 INFO L78 Accepts]: Start accepts. Automaton has 237 states. Word has length 237 [2018-07-23 13:40:46,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:46,658 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:40:46,658 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:40:46,660 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27966, Invalid=27966, Unknown=0, NotChecked=0, Total=55932 [2018-07-23 13:40:46,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:40:46,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:40:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:40:46,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:40:46,662 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 237 [2018-07-23 13:40:46,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:46,663 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:40:46,663 INFO L472 AbstractCegarLoop]: Interpolant automaton has 237 states. [2018-07-23 13:40:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:40:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:40:46,663 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:46,663 INFO L357 BasicCegarLoop]: trace histogram [235, 1, 1, 1] [2018-07-23 13:40:46,663 INFO L414 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:46,664 INFO L82 PathProgramCache]: Analyzing trace with hash 283875020, now seen corresponding path program 235 times [2018-07-23 13:40:46,664 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 27730 backedges. 0 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:48,079 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:48,079 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [237] total 237 [2018-07-23 13:40:48,079 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:48,080 INFO L185 omatonBuilderFactory]: Interpolants [143874#(<= ULTIMATE.start_main_~y~4 42), 143875#(<= ULTIMATE.start_main_~y~4 43), 143872#(<= ULTIMATE.start_main_~y~4 40), 143873#(<= ULTIMATE.start_main_~y~4 41), 143878#(<= ULTIMATE.start_main_~y~4 46), 143879#(<= ULTIMATE.start_main_~y~4 47), 143876#(<= ULTIMATE.start_main_~y~4 44), 143877#(<= ULTIMATE.start_main_~y~4 45), 143882#(<= ULTIMATE.start_main_~y~4 50), 143883#(<= ULTIMATE.start_main_~y~4 51), 143880#(<= ULTIMATE.start_main_~y~4 48), 143881#(<= ULTIMATE.start_main_~y~4 49), 143886#(<= ULTIMATE.start_main_~y~4 54), 143887#(<= ULTIMATE.start_main_~y~4 55), 143884#(<= ULTIMATE.start_main_~y~4 52), 143885#(<= ULTIMATE.start_main_~y~4 53), 143890#(<= ULTIMATE.start_main_~y~4 58), 143891#(<= ULTIMATE.start_main_~y~4 59), 143888#(<= ULTIMATE.start_main_~y~4 56), 143889#(<= ULTIMATE.start_main_~y~4 57), 143894#(<= ULTIMATE.start_main_~y~4 62), 143895#(<= ULTIMATE.start_main_~y~4 63), 143892#(<= ULTIMATE.start_main_~y~4 60), 143893#(<= ULTIMATE.start_main_~y~4 61), 143898#(<= ULTIMATE.start_main_~y~4 66), 143899#(<= ULTIMATE.start_main_~y~4 67), 143896#(<= ULTIMATE.start_main_~y~4 64), 143897#(<= ULTIMATE.start_main_~y~4 65), 143902#(<= ULTIMATE.start_main_~y~4 70), 143903#(<= ULTIMATE.start_main_~y~4 71), 143900#(<= ULTIMATE.start_main_~y~4 68), 143901#(<= ULTIMATE.start_main_~y~4 69), 143906#(<= ULTIMATE.start_main_~y~4 74), 143907#(<= ULTIMATE.start_main_~y~4 75), 143904#(<= ULTIMATE.start_main_~y~4 72), 143905#(<= ULTIMATE.start_main_~y~4 73), 143910#(<= ULTIMATE.start_main_~y~4 78), 143911#(<= ULTIMATE.start_main_~y~4 79), 143908#(<= ULTIMATE.start_main_~y~4 76), 143909#(<= ULTIMATE.start_main_~y~4 77), 143914#(<= ULTIMATE.start_main_~y~4 82), 143915#(<= ULTIMATE.start_main_~y~4 83), 143912#(<= ULTIMATE.start_main_~y~4 80), 143913#(<= ULTIMATE.start_main_~y~4 81), 143918#(<= ULTIMATE.start_main_~y~4 86), 143919#(<= ULTIMATE.start_main_~y~4 87), 143916#(<= ULTIMATE.start_main_~y~4 84), 143917#(<= ULTIMATE.start_main_~y~4 85), 143922#(<= ULTIMATE.start_main_~y~4 90), 143923#(<= ULTIMATE.start_main_~y~4 91), 143920#(<= ULTIMATE.start_main_~y~4 88), 143921#(<= ULTIMATE.start_main_~y~4 89), 143926#(<= ULTIMATE.start_main_~y~4 94), 143927#(<= ULTIMATE.start_main_~y~4 95), 143924#(<= ULTIMATE.start_main_~y~4 92), 143925#(<= ULTIMATE.start_main_~y~4 93), 143930#(<= ULTIMATE.start_main_~y~4 98), 143931#(<= ULTIMATE.start_main_~y~4 99), 143928#(<= ULTIMATE.start_main_~y~4 96), 143929#(<= ULTIMATE.start_main_~y~4 97), 143934#(<= ULTIMATE.start_main_~y~4 102), 143935#(<= ULTIMATE.start_main_~y~4 103), 143932#(<= ULTIMATE.start_main_~y~4 100), 143933#(<= ULTIMATE.start_main_~y~4 101), 143938#(<= ULTIMATE.start_main_~y~4 106), 143939#(<= ULTIMATE.start_main_~y~4 107), 143936#(<= ULTIMATE.start_main_~y~4 104), 143937#(<= ULTIMATE.start_main_~y~4 105), 143942#(<= ULTIMATE.start_main_~y~4 110), 143943#(<= ULTIMATE.start_main_~y~4 111), 143940#(<= ULTIMATE.start_main_~y~4 108), 143941#(<= ULTIMATE.start_main_~y~4 109), 143946#(<= ULTIMATE.start_main_~y~4 114), 143947#(<= ULTIMATE.start_main_~y~4 115), 143944#(<= ULTIMATE.start_main_~y~4 112), 143945#(<= ULTIMATE.start_main_~y~4 113), 143950#(<= ULTIMATE.start_main_~y~4 118), 143951#(<= ULTIMATE.start_main_~y~4 119), 143948#(<= ULTIMATE.start_main_~y~4 116), 143949#(<= ULTIMATE.start_main_~y~4 117), 143954#(<= ULTIMATE.start_main_~y~4 122), 143955#(<= ULTIMATE.start_main_~y~4 123), 143952#(<= ULTIMATE.start_main_~y~4 120), 143953#(<= ULTIMATE.start_main_~y~4 121), 143958#(<= ULTIMATE.start_main_~y~4 126), 143959#(<= ULTIMATE.start_main_~y~4 127), 143956#(<= ULTIMATE.start_main_~y~4 124), 143957#(<= ULTIMATE.start_main_~y~4 125), 143962#(<= ULTIMATE.start_main_~y~4 130), 143963#(<= ULTIMATE.start_main_~y~4 131), 143960#(<= ULTIMATE.start_main_~y~4 128), 143961#(<= ULTIMATE.start_main_~y~4 129), 143966#(<= ULTIMATE.start_main_~y~4 134), 143967#(<= ULTIMATE.start_main_~y~4 135), 143964#(<= ULTIMATE.start_main_~y~4 132), 143965#(<= ULTIMATE.start_main_~y~4 133), 143970#(<= ULTIMATE.start_main_~y~4 138), 143971#(<= ULTIMATE.start_main_~y~4 139), 143968#(<= ULTIMATE.start_main_~y~4 136), 143969#(<= ULTIMATE.start_main_~y~4 137), 143974#(<= ULTIMATE.start_main_~y~4 142), 143975#(<= ULTIMATE.start_main_~y~4 143), 143972#(<= ULTIMATE.start_main_~y~4 140), 143973#(<= ULTIMATE.start_main_~y~4 141), 143978#(<= ULTIMATE.start_main_~y~4 146), 143979#(<= ULTIMATE.start_main_~y~4 147), 143976#(<= ULTIMATE.start_main_~y~4 144), 143977#(<= ULTIMATE.start_main_~y~4 145), 143982#(<= ULTIMATE.start_main_~y~4 150), 143983#(<= ULTIMATE.start_main_~y~4 151), 143980#(<= ULTIMATE.start_main_~y~4 148), 143981#(<= ULTIMATE.start_main_~y~4 149), 143986#(<= ULTIMATE.start_main_~y~4 154), 143987#(<= ULTIMATE.start_main_~y~4 155), 143984#(<= ULTIMATE.start_main_~y~4 152), 143985#(<= ULTIMATE.start_main_~y~4 153), 143990#(<= ULTIMATE.start_main_~y~4 158), 143991#(<= ULTIMATE.start_main_~y~4 159), 143988#(<= ULTIMATE.start_main_~y~4 156), 143989#(<= ULTIMATE.start_main_~y~4 157), 143994#(<= ULTIMATE.start_main_~y~4 162), 143995#(<= ULTIMATE.start_main_~y~4 163), 143992#(<= ULTIMATE.start_main_~y~4 160), 143993#(<= ULTIMATE.start_main_~y~4 161), 143998#(<= ULTIMATE.start_main_~y~4 166), 143999#(<= ULTIMATE.start_main_~y~4 167), 143996#(<= ULTIMATE.start_main_~y~4 164), 143997#(<= ULTIMATE.start_main_~y~4 165), 144002#(<= ULTIMATE.start_main_~y~4 170), 144003#(<= ULTIMATE.start_main_~y~4 171), 144000#(<= ULTIMATE.start_main_~y~4 168), 144001#(<= ULTIMATE.start_main_~y~4 169), 144006#(<= ULTIMATE.start_main_~y~4 174), 144007#(<= ULTIMATE.start_main_~y~4 175), 144004#(<= ULTIMATE.start_main_~y~4 172), 144005#(<= ULTIMATE.start_main_~y~4 173), 144010#(<= ULTIMATE.start_main_~y~4 178), 144011#(<= ULTIMATE.start_main_~y~4 179), 144008#(<= ULTIMATE.start_main_~y~4 176), 144009#(<= ULTIMATE.start_main_~y~4 177), 144014#(<= ULTIMATE.start_main_~y~4 182), 144015#(<= ULTIMATE.start_main_~y~4 183), 144012#(<= ULTIMATE.start_main_~y~4 180), 144013#(<= ULTIMATE.start_main_~y~4 181), 144018#(<= ULTIMATE.start_main_~y~4 186), 144019#(<= ULTIMATE.start_main_~y~4 187), 144016#(<= ULTIMATE.start_main_~y~4 184), 144017#(<= ULTIMATE.start_main_~y~4 185), 144022#(<= ULTIMATE.start_main_~y~4 190), 144023#(<= ULTIMATE.start_main_~y~4 191), 144020#(<= ULTIMATE.start_main_~y~4 188), 144021#(<= ULTIMATE.start_main_~y~4 189), 144026#(<= ULTIMATE.start_main_~y~4 194), 144027#(<= ULTIMATE.start_main_~y~4 195), 144024#(<= ULTIMATE.start_main_~y~4 192), 144025#(<= ULTIMATE.start_main_~y~4 193), 144030#(<= ULTIMATE.start_main_~y~4 198), 144031#(<= ULTIMATE.start_main_~y~4 199), 144028#(<= ULTIMATE.start_main_~y~4 196), 144029#(<= ULTIMATE.start_main_~y~4 197), 144034#(<= ULTIMATE.start_main_~y~4 202), 144035#(<= ULTIMATE.start_main_~y~4 203), 144032#(<= ULTIMATE.start_main_~y~4 200), 144033#(<= ULTIMATE.start_main_~y~4 201), 144038#(<= ULTIMATE.start_main_~y~4 206), 144039#(<= ULTIMATE.start_main_~y~4 207), 144036#(<= ULTIMATE.start_main_~y~4 204), 144037#(<= ULTIMATE.start_main_~y~4 205), 144042#(<= ULTIMATE.start_main_~y~4 210), 144043#(<= ULTIMATE.start_main_~y~4 211), 144040#(<= ULTIMATE.start_main_~y~4 208), 144041#(<= ULTIMATE.start_main_~y~4 209), 144046#(<= ULTIMATE.start_main_~y~4 214), 144047#(<= ULTIMATE.start_main_~y~4 215), 144044#(<= ULTIMATE.start_main_~y~4 212), 144045#(<= ULTIMATE.start_main_~y~4 213), 144050#(<= ULTIMATE.start_main_~y~4 218), 144051#(<= ULTIMATE.start_main_~y~4 219), 144048#(<= ULTIMATE.start_main_~y~4 216), 144049#(<= ULTIMATE.start_main_~y~4 217), 144054#(<= ULTIMATE.start_main_~y~4 222), 144055#(<= ULTIMATE.start_main_~y~4 223), 144052#(<= ULTIMATE.start_main_~y~4 220), 144053#(<= ULTIMATE.start_main_~y~4 221), 144058#(<= ULTIMATE.start_main_~y~4 226), 144059#(<= ULTIMATE.start_main_~y~4 227), 144056#(<= ULTIMATE.start_main_~y~4 224), 144057#(<= ULTIMATE.start_main_~y~4 225), 144062#(<= ULTIMATE.start_main_~y~4 230), 144063#(<= ULTIMATE.start_main_~y~4 231), 144060#(<= ULTIMATE.start_main_~y~4 228), 144061#(<= ULTIMATE.start_main_~y~4 229), 144066#(<= ULTIMATE.start_main_~y~4 234), 144067#(<= ULTIMATE.start_main_~y~4 235), 144064#(<= ULTIMATE.start_main_~y~4 232), 144065#(<= ULTIMATE.start_main_~y~4 233), 143830#true, 143831#false, 143834#(<= ULTIMATE.start_main_~y~4 2), 143835#(<= ULTIMATE.start_main_~y~4 3), 143832#(<= ULTIMATE.start_main_~y~4 0), 143833#(<= ULTIMATE.start_main_~y~4 1), 143838#(<= ULTIMATE.start_main_~y~4 6), 143839#(<= ULTIMATE.start_main_~y~4 7), 143836#(<= ULTIMATE.start_main_~y~4 4), 143837#(<= ULTIMATE.start_main_~y~4 5), 143842#(<= ULTIMATE.start_main_~y~4 10), 143843#(<= ULTIMATE.start_main_~y~4 11), 143840#(<= ULTIMATE.start_main_~y~4 8), 143841#(<= ULTIMATE.start_main_~y~4 9), 143846#(<= ULTIMATE.start_main_~y~4 14), 143847#(<= ULTIMATE.start_main_~y~4 15), 143844#(<= ULTIMATE.start_main_~y~4 12), 143845#(<= ULTIMATE.start_main_~y~4 13), 143850#(<= ULTIMATE.start_main_~y~4 18), 143851#(<= ULTIMATE.start_main_~y~4 19), 143848#(<= ULTIMATE.start_main_~y~4 16), 143849#(<= ULTIMATE.start_main_~y~4 17), 143854#(<= ULTIMATE.start_main_~y~4 22), 143855#(<= ULTIMATE.start_main_~y~4 23), 143852#(<= ULTIMATE.start_main_~y~4 20), 143853#(<= ULTIMATE.start_main_~y~4 21), 143858#(<= ULTIMATE.start_main_~y~4 26), 143859#(<= ULTIMATE.start_main_~y~4 27), 143856#(<= ULTIMATE.start_main_~y~4 24), 143857#(<= ULTIMATE.start_main_~y~4 25), 143862#(<= ULTIMATE.start_main_~y~4 30), 143863#(<= ULTIMATE.start_main_~y~4 31), 143860#(<= ULTIMATE.start_main_~y~4 28), 143861#(<= ULTIMATE.start_main_~y~4 29), 143866#(<= ULTIMATE.start_main_~y~4 34), 143867#(<= ULTIMATE.start_main_~y~4 35), 143864#(<= ULTIMATE.start_main_~y~4 32), 143865#(<= ULTIMATE.start_main_~y~4 33), 143870#(<= ULTIMATE.start_main_~y~4 38), 143871#(<= ULTIMATE.start_main_~y~4 39), 143868#(<= ULTIMATE.start_main_~y~4 36), 143869#(<= ULTIMATE.start_main_~y~4 37)] [2018-07-23 13:40:48,081 INFO L134 CoverageAnalysis]: Checked inductivity of 27730 backedges. 0 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:48,081 INFO L450 AbstractCegarLoop]: Interpolant automaton has 238 states [2018-07-23 13:40:48,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2018-07-23 13:40:48,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28203, Invalid=28203, Unknown=0, NotChecked=0, Total=56406 [2018-07-23 13:40:48,088 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 238 states. [2018-07-23 13:40:49,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:49,897 INFO L93 Difference]: Finished difference Result 242 states and 242 transitions. [2018-07-23 13:40:49,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2018-07-23 13:40:49,898 INFO L78 Accepts]: Start accepts. Automaton has 238 states. Word has length 238 [2018-07-23 13:40:49,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:49,898 INFO L225 Difference]: With dead ends: 242 [2018-07-23 13:40:49,898 INFO L226 Difference]: Without dead ends: 240 [2018-07-23 13:40:49,900 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=28203, Invalid=28203, Unknown=0, NotChecked=0, Total=56406 [2018-07-23 13:40:49,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-07-23 13:40:49,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2018-07-23 13:40:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-07-23 13:40:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 240 transitions. [2018-07-23 13:40:49,903 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 240 transitions. Word has length 238 [2018-07-23 13:40:49,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:49,903 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 240 transitions. [2018-07-23 13:40:49,903 INFO L472 AbstractCegarLoop]: Interpolant automaton has 238 states. [2018-07-23 13:40:49,903 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 240 transitions. [2018-07-23 13:40:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-07-23 13:40:49,904 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:49,904 INFO L357 BasicCegarLoop]: trace histogram [236, 1, 1, 1] [2018-07-23 13:40:49,904 INFO L414 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:49,904 INFO L82 PathProgramCache]: Analyzing trace with hash 210192835, now seen corresponding path program 236 times [2018-07-23 13:40:49,904 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 27966 backedges. 0 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,206 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,206 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [238] total 238 [2018-07-23 13:40:51,206 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,206 INFO L185 omatonBuilderFactory]: Interpolants [145034#(<= ULTIMATE.start_main_~y~4 0), 145035#(<= ULTIMATE.start_main_~y~4 1), 145032#true, 145033#false, 145038#(<= ULTIMATE.start_main_~y~4 4), 145039#(<= ULTIMATE.start_main_~y~4 5), 145036#(<= ULTIMATE.start_main_~y~4 2), 145037#(<= ULTIMATE.start_main_~y~4 3), 145042#(<= ULTIMATE.start_main_~y~4 8), 145043#(<= ULTIMATE.start_main_~y~4 9), 145040#(<= ULTIMATE.start_main_~y~4 6), 145041#(<= ULTIMATE.start_main_~y~4 7), 145046#(<= ULTIMATE.start_main_~y~4 12), 145047#(<= ULTIMATE.start_main_~y~4 13), 145044#(<= ULTIMATE.start_main_~y~4 10), 145045#(<= ULTIMATE.start_main_~y~4 11), 145050#(<= ULTIMATE.start_main_~y~4 16), 145051#(<= ULTIMATE.start_main_~y~4 17), 145048#(<= ULTIMATE.start_main_~y~4 14), 145049#(<= ULTIMATE.start_main_~y~4 15), 145054#(<= ULTIMATE.start_main_~y~4 20), 145055#(<= ULTIMATE.start_main_~y~4 21), 145052#(<= ULTIMATE.start_main_~y~4 18), 145053#(<= ULTIMATE.start_main_~y~4 19), 145058#(<= ULTIMATE.start_main_~y~4 24), 145059#(<= ULTIMATE.start_main_~y~4 25), 145056#(<= ULTIMATE.start_main_~y~4 22), 145057#(<= ULTIMATE.start_main_~y~4 23), 145062#(<= ULTIMATE.start_main_~y~4 28), 145063#(<= ULTIMATE.start_main_~y~4 29), 145060#(<= ULTIMATE.start_main_~y~4 26), 145061#(<= ULTIMATE.start_main_~y~4 27), 145066#(<= ULTIMATE.start_main_~y~4 32), 145067#(<= ULTIMATE.start_main_~y~4 33), 145064#(<= ULTIMATE.start_main_~y~4 30), 145065#(<= ULTIMATE.start_main_~y~4 31), 145070#(<= ULTIMATE.start_main_~y~4 36), 145071#(<= ULTIMATE.start_main_~y~4 37), 145068#(<= ULTIMATE.start_main_~y~4 34), 145069#(<= ULTIMATE.start_main_~y~4 35), 145074#(<= ULTIMATE.start_main_~y~4 40), 145075#(<= ULTIMATE.start_main_~y~4 41), 145072#(<= ULTIMATE.start_main_~y~4 38), 145073#(<= ULTIMATE.start_main_~y~4 39), 145078#(<= ULTIMATE.start_main_~y~4 44), 145079#(<= ULTIMATE.start_main_~y~4 45), 145076#(<= ULTIMATE.start_main_~y~4 42), 145077#(<= ULTIMATE.start_main_~y~4 43), 145082#(<= ULTIMATE.start_main_~y~4 48), 145083#(<= ULTIMATE.start_main_~y~4 49), 145080#(<= ULTIMATE.start_main_~y~4 46), 145081#(<= ULTIMATE.start_main_~y~4 47), 145086#(<= ULTIMATE.start_main_~y~4 52), 145087#(<= ULTIMATE.start_main_~y~4 53), 145084#(<= ULTIMATE.start_main_~y~4 50), 145085#(<= ULTIMATE.start_main_~y~4 51), 145090#(<= ULTIMATE.start_main_~y~4 56), 145091#(<= ULTIMATE.start_main_~y~4 57), 145088#(<= ULTIMATE.start_main_~y~4 54), 145089#(<= ULTIMATE.start_main_~y~4 55), 145094#(<= ULTIMATE.start_main_~y~4 60), 145095#(<= ULTIMATE.start_main_~y~4 61), 145092#(<= ULTIMATE.start_main_~y~4 58), 145093#(<= ULTIMATE.start_main_~y~4 59), 145098#(<= ULTIMATE.start_main_~y~4 64), 145099#(<= ULTIMATE.start_main_~y~4 65), 145096#(<= ULTIMATE.start_main_~y~4 62), 145097#(<= ULTIMATE.start_main_~y~4 63), 145102#(<= ULTIMATE.start_main_~y~4 68), 145103#(<= ULTIMATE.start_main_~y~4 69), 145100#(<= ULTIMATE.start_main_~y~4 66), 145101#(<= ULTIMATE.start_main_~y~4 67), 145106#(<= ULTIMATE.start_main_~y~4 72), 145107#(<= ULTIMATE.start_main_~y~4 73), 145104#(<= ULTIMATE.start_main_~y~4 70), 145105#(<= ULTIMATE.start_main_~y~4 71), 145110#(<= ULTIMATE.start_main_~y~4 76), 145111#(<= ULTIMATE.start_main_~y~4 77), 145108#(<= ULTIMATE.start_main_~y~4 74), 145109#(<= ULTIMATE.start_main_~y~4 75), 145114#(<= ULTIMATE.start_main_~y~4 80), 145115#(<= ULTIMATE.start_main_~y~4 81), 145112#(<= ULTIMATE.start_main_~y~4 78), 145113#(<= ULTIMATE.start_main_~y~4 79), 145118#(<= ULTIMATE.start_main_~y~4 84), 145119#(<= ULTIMATE.start_main_~y~4 85), 145116#(<= ULTIMATE.start_main_~y~4 82), 145117#(<= ULTIMATE.start_main_~y~4 83), 145122#(<= ULTIMATE.start_main_~y~4 88), 145123#(<= ULTIMATE.start_main_~y~4 89), 145120#(<= ULTIMATE.start_main_~y~4 86), 145121#(<= ULTIMATE.start_main_~y~4 87), 145126#(<= ULTIMATE.start_main_~y~4 92), 145127#(<= ULTIMATE.start_main_~y~4 93), 145124#(<= ULTIMATE.start_main_~y~4 90), 145125#(<= ULTIMATE.start_main_~y~4 91), 145130#(<= ULTIMATE.start_main_~y~4 96), 145131#(<= ULTIMATE.start_main_~y~4 97), 145128#(<= ULTIMATE.start_main_~y~4 94), 145129#(<= ULTIMATE.start_main_~y~4 95), 145134#(<= ULTIMATE.start_main_~y~4 100), 145135#(<= ULTIMATE.start_main_~y~4 101), 145132#(<= ULTIMATE.start_main_~y~4 98), 145133#(<= ULTIMATE.start_main_~y~4 99), 145138#(<= ULTIMATE.start_main_~y~4 104), 145139#(<= ULTIMATE.start_main_~y~4 105), 145136#(<= ULTIMATE.start_main_~y~4 102), 145137#(<= ULTIMATE.start_main_~y~4 103), 145142#(<= ULTIMATE.start_main_~y~4 108), 145143#(<= ULTIMATE.start_main_~y~4 109), 145140#(<= ULTIMATE.start_main_~y~4 106), 145141#(<= ULTIMATE.start_main_~y~4 107), 145146#(<= ULTIMATE.start_main_~y~4 112), 145147#(<= ULTIMATE.start_main_~y~4 113), 145144#(<= ULTIMATE.start_main_~y~4 110), 145145#(<= ULTIMATE.start_main_~y~4 111), 145150#(<= ULTIMATE.start_main_~y~4 116), 145151#(<= ULTIMATE.start_main_~y~4 117), 145148#(<= ULTIMATE.start_main_~y~4 114), 145149#(<= ULTIMATE.start_main_~y~4 115), 145154#(<= ULTIMATE.start_main_~y~4 120), 145155#(<= ULTIMATE.start_main_~y~4 121), 145152#(<= ULTIMATE.start_main_~y~4 118), 145153#(<= ULTIMATE.start_main_~y~4 119), 145158#(<= ULTIMATE.start_main_~y~4 124), 145159#(<= ULTIMATE.start_main_~y~4 125), 145156#(<= ULTIMATE.start_main_~y~4 122), 145157#(<= ULTIMATE.start_main_~y~4 123), 145162#(<= ULTIMATE.start_main_~y~4 128), 145163#(<= ULTIMATE.start_main_~y~4 129), 145160#(<= ULTIMATE.start_main_~y~4 126), 145161#(<= ULTIMATE.start_main_~y~4 127), 145166#(<= ULTIMATE.start_main_~y~4 132), 145167#(<= ULTIMATE.start_main_~y~4 133), 145164#(<= ULTIMATE.start_main_~y~4 130), 145165#(<= ULTIMATE.start_main_~y~4 131), 145170#(<= ULTIMATE.start_main_~y~4 136), 145171#(<= ULTIMATE.start_main_~y~4 137), 145168#(<= ULTIMATE.start_main_~y~4 134), 145169#(<= ULTIMATE.start_main_~y~4 135), 145174#(<= ULTIMATE.start_main_~y~4 140), 145175#(<= ULTIMATE.start_main_~y~4 141), 145172#(<= ULTIMATE.start_main_~y~4 138), 145173#(<= ULTIMATE.start_main_~y~4 139), 145178#(<= ULTIMATE.start_main_~y~4 144), 145179#(<= ULTIMATE.start_main_~y~4 145), 145176#(<= ULTIMATE.start_main_~y~4 142), 145177#(<= ULTIMATE.start_main_~y~4 143), 145182#(<= ULTIMATE.start_main_~y~4 148), 145183#(<= ULTIMATE.start_main_~y~4 149), 145180#(<= ULTIMATE.start_main_~y~4 146), 145181#(<= ULTIMATE.start_main_~y~4 147), 145186#(<= ULTIMATE.start_main_~y~4 152), 145187#(<= ULTIMATE.start_main_~y~4 153), 145184#(<= ULTIMATE.start_main_~y~4 150), 145185#(<= ULTIMATE.start_main_~y~4 151), 145190#(<= ULTIMATE.start_main_~y~4 156), 145191#(<= ULTIMATE.start_main_~y~4 157), 145188#(<= ULTIMATE.start_main_~y~4 154), 145189#(<= ULTIMATE.start_main_~y~4 155), 145194#(<= ULTIMATE.start_main_~y~4 160), 145195#(<= ULTIMATE.start_main_~y~4 161), 145192#(<= ULTIMATE.start_main_~y~4 158), 145193#(<= ULTIMATE.start_main_~y~4 159), 145198#(<= ULTIMATE.start_main_~y~4 164), 145199#(<= ULTIMATE.start_main_~y~4 165), 145196#(<= ULTIMATE.start_main_~y~4 162), 145197#(<= ULTIMATE.start_main_~y~4 163), 145202#(<= ULTIMATE.start_main_~y~4 168), 145203#(<= ULTIMATE.start_main_~y~4 169), 145200#(<= ULTIMATE.start_main_~y~4 166), 145201#(<= ULTIMATE.start_main_~y~4 167), 145206#(<= ULTIMATE.start_main_~y~4 172), 145207#(<= ULTIMATE.start_main_~y~4 173), 145204#(<= ULTIMATE.start_main_~y~4 170), 145205#(<= ULTIMATE.start_main_~y~4 171), 145210#(<= ULTIMATE.start_main_~y~4 176), 145211#(<= ULTIMATE.start_main_~y~4 177), 145208#(<= ULTIMATE.start_main_~y~4 174), 145209#(<= ULTIMATE.start_main_~y~4 175), 145214#(<= ULTIMATE.start_main_~y~4 180), 145215#(<= ULTIMATE.start_main_~y~4 181), 145212#(<= ULTIMATE.start_main_~y~4 178), 145213#(<= ULTIMATE.start_main_~y~4 179), 145218#(<= ULTIMATE.start_main_~y~4 184), 145219#(<= ULTIMATE.start_main_~y~4 185), 145216#(<= ULTIMATE.start_main_~y~4 182), 145217#(<= ULTIMATE.start_main_~y~4 183), 145222#(<= ULTIMATE.start_main_~y~4 188), 145223#(<= ULTIMATE.start_main_~y~4 189), 145220#(<= ULTIMATE.start_main_~y~4 186), 145221#(<= ULTIMATE.start_main_~y~4 187), 145226#(<= ULTIMATE.start_main_~y~4 192), 145227#(<= ULTIMATE.start_main_~y~4 193), 145224#(<= ULTIMATE.start_main_~y~4 190), 145225#(<= ULTIMATE.start_main_~y~4 191), 145230#(<= ULTIMATE.start_main_~y~4 196), 145231#(<= ULTIMATE.start_main_~y~4 197), 145228#(<= ULTIMATE.start_main_~y~4 194), 145229#(<= ULTIMATE.start_main_~y~4 195), 145234#(<= ULTIMATE.start_main_~y~4 200), 145235#(<= ULTIMATE.start_main_~y~4 201), 145232#(<= ULTIMATE.start_main_~y~4 198), 145233#(<= ULTIMATE.start_main_~y~4 199), 145238#(<= ULTIMATE.start_main_~y~4 204), 145239#(<= ULTIMATE.start_main_~y~4 205), 145236#(<= ULTIMATE.start_main_~y~4 202), 145237#(<= ULTIMATE.start_main_~y~4 203), 145242#(<= ULTIMATE.start_main_~y~4 208), 145243#(<= ULTIMATE.start_main_~y~4 209), 145240#(<= ULTIMATE.start_main_~y~4 206), 145241#(<= ULTIMATE.start_main_~y~4 207), 145246#(<= ULTIMATE.start_main_~y~4 212), 145247#(<= ULTIMATE.start_main_~y~4 213), 145244#(<= ULTIMATE.start_main_~y~4 210), 145245#(<= ULTIMATE.start_main_~y~4 211), 145250#(<= ULTIMATE.start_main_~y~4 216), 145251#(<= ULTIMATE.start_main_~y~4 217), 145248#(<= ULTIMATE.start_main_~y~4 214), 145249#(<= ULTIMATE.start_main_~y~4 215), 145254#(<= ULTIMATE.start_main_~y~4 220), 145255#(<= ULTIMATE.start_main_~y~4 221), 145252#(<= ULTIMATE.start_main_~y~4 218), 145253#(<= ULTIMATE.start_main_~y~4 219), 145258#(<= ULTIMATE.start_main_~y~4 224), 145259#(<= ULTIMATE.start_main_~y~4 225), 145256#(<= ULTIMATE.start_main_~y~4 222), 145257#(<= ULTIMATE.start_main_~y~4 223), 145262#(<= ULTIMATE.start_main_~y~4 228), 145263#(<= ULTIMATE.start_main_~y~4 229), 145260#(<= ULTIMATE.start_main_~y~4 226), 145261#(<= ULTIMATE.start_main_~y~4 227), 145266#(<= ULTIMATE.start_main_~y~4 232), 145267#(<= ULTIMATE.start_main_~y~4 233), 145264#(<= ULTIMATE.start_main_~y~4 230), 145265#(<= ULTIMATE.start_main_~y~4 231), 145270#(<= ULTIMATE.start_main_~y~4 236), 145268#(<= ULTIMATE.start_main_~y~4 234), 145269#(<= ULTIMATE.start_main_~y~4 235)] [2018-07-23 13:40:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 27966 backedges. 0 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,208 INFO L450 AbstractCegarLoop]: Interpolant automaton has 239 states [2018-07-23 13:40:51,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 239 interpolants. [2018-07-23 13:40:51,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28441, Invalid=28441, Unknown=0, NotChecked=0, Total=56882 [2018-07-23 13:40:51,212 INFO L87 Difference]: Start difference. First operand 240 states and 240 transitions. Second operand 239 states. [2018-07-23 13:40:52,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:52,640 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:40:52,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2018-07-23 13:40:52,640 INFO L78 Accepts]: Start accepts. Automaton has 239 states. Word has length 239 [2018-07-23 13:40:52,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:52,641 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:40:52,641 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:40:52,642 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28441, Invalid=28441, Unknown=0, NotChecked=0, Total=56882 [2018-07-23 13:40:52,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:40:52,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:40:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:40:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:40:52,645 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 239 [2018-07-23 13:40:52,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:52,645 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:40:52,645 INFO L472 AbstractCegarLoop]: Interpolant automaton has 239 states. [2018-07-23 13:40:52,645 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:40:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:40:52,646 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:52,646 INFO L357 BasicCegarLoop]: trace histogram [237, 1, 1, 1] [2018-07-23 13:40:52,646 INFO L414 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:52,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2073954900, now seen corresponding path program 237 times [2018-07-23 13:40:52,646 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,086 INFO L134 CoverageAnalysis]: Checked inductivity of 28203 backedges. 0 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,086 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,086 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [239] total 239 [2018-07-23 13:40:54,086 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,087 INFO L185 omatonBuilderFactory]: Interpolants [146434#(<= ULTIMATE.start_main_~y~4 193), 146435#(<= ULTIMATE.start_main_~y~4 194), 146432#(<= ULTIMATE.start_main_~y~4 191), 146433#(<= ULTIMATE.start_main_~y~4 192), 146438#(<= ULTIMATE.start_main_~y~4 197), 146439#(<= ULTIMATE.start_main_~y~4 198), 146436#(<= ULTIMATE.start_main_~y~4 195), 146437#(<= ULTIMATE.start_main_~y~4 196), 146442#(<= ULTIMATE.start_main_~y~4 201), 146443#(<= ULTIMATE.start_main_~y~4 202), 146440#(<= ULTIMATE.start_main_~y~4 199), 146441#(<= ULTIMATE.start_main_~y~4 200), 146446#(<= ULTIMATE.start_main_~y~4 205), 146447#(<= ULTIMATE.start_main_~y~4 206), 146444#(<= ULTIMATE.start_main_~y~4 203), 146445#(<= ULTIMATE.start_main_~y~4 204), 146450#(<= ULTIMATE.start_main_~y~4 209), 146451#(<= ULTIMATE.start_main_~y~4 210), 146448#(<= ULTIMATE.start_main_~y~4 207), 146449#(<= ULTIMATE.start_main_~y~4 208), 146454#(<= ULTIMATE.start_main_~y~4 213), 146455#(<= ULTIMATE.start_main_~y~4 214), 146452#(<= ULTIMATE.start_main_~y~4 211), 146453#(<= ULTIMATE.start_main_~y~4 212), 146458#(<= ULTIMATE.start_main_~y~4 217), 146459#(<= ULTIMATE.start_main_~y~4 218), 146456#(<= ULTIMATE.start_main_~y~4 215), 146457#(<= ULTIMATE.start_main_~y~4 216), 146462#(<= ULTIMATE.start_main_~y~4 221), 146463#(<= ULTIMATE.start_main_~y~4 222), 146460#(<= ULTIMATE.start_main_~y~4 219), 146461#(<= ULTIMATE.start_main_~y~4 220), 146466#(<= ULTIMATE.start_main_~y~4 225), 146467#(<= ULTIMATE.start_main_~y~4 226), 146464#(<= ULTIMATE.start_main_~y~4 223), 146465#(<= ULTIMATE.start_main_~y~4 224), 146470#(<= ULTIMATE.start_main_~y~4 229), 146471#(<= ULTIMATE.start_main_~y~4 230), 146468#(<= ULTIMATE.start_main_~y~4 227), 146469#(<= ULTIMATE.start_main_~y~4 228), 146474#(<= ULTIMATE.start_main_~y~4 233), 146475#(<= ULTIMATE.start_main_~y~4 234), 146472#(<= ULTIMATE.start_main_~y~4 231), 146473#(<= ULTIMATE.start_main_~y~4 232), 146478#(<= ULTIMATE.start_main_~y~4 237), 146476#(<= ULTIMATE.start_main_~y~4 235), 146477#(<= ULTIMATE.start_main_~y~4 236), 146239#true, 146242#(<= ULTIMATE.start_main_~y~4 1), 146243#(<= ULTIMATE.start_main_~y~4 2), 146240#false, 146241#(<= ULTIMATE.start_main_~y~4 0), 146246#(<= ULTIMATE.start_main_~y~4 5), 146247#(<= ULTIMATE.start_main_~y~4 6), 146244#(<= ULTIMATE.start_main_~y~4 3), 146245#(<= ULTIMATE.start_main_~y~4 4), 146250#(<= ULTIMATE.start_main_~y~4 9), 146251#(<= ULTIMATE.start_main_~y~4 10), 146248#(<= ULTIMATE.start_main_~y~4 7), 146249#(<= ULTIMATE.start_main_~y~4 8), 146254#(<= ULTIMATE.start_main_~y~4 13), 146255#(<= ULTIMATE.start_main_~y~4 14), 146252#(<= ULTIMATE.start_main_~y~4 11), 146253#(<= ULTIMATE.start_main_~y~4 12), 146258#(<= ULTIMATE.start_main_~y~4 17), 146259#(<= ULTIMATE.start_main_~y~4 18), 146256#(<= ULTIMATE.start_main_~y~4 15), 146257#(<= ULTIMATE.start_main_~y~4 16), 146262#(<= ULTIMATE.start_main_~y~4 21), 146263#(<= ULTIMATE.start_main_~y~4 22), 146260#(<= ULTIMATE.start_main_~y~4 19), 146261#(<= ULTIMATE.start_main_~y~4 20), 146266#(<= ULTIMATE.start_main_~y~4 25), 146267#(<= ULTIMATE.start_main_~y~4 26), 146264#(<= ULTIMATE.start_main_~y~4 23), 146265#(<= ULTIMATE.start_main_~y~4 24), 146270#(<= ULTIMATE.start_main_~y~4 29), 146271#(<= ULTIMATE.start_main_~y~4 30), 146268#(<= ULTIMATE.start_main_~y~4 27), 146269#(<= ULTIMATE.start_main_~y~4 28), 146274#(<= ULTIMATE.start_main_~y~4 33), 146275#(<= ULTIMATE.start_main_~y~4 34), 146272#(<= ULTIMATE.start_main_~y~4 31), 146273#(<= ULTIMATE.start_main_~y~4 32), 146278#(<= ULTIMATE.start_main_~y~4 37), 146279#(<= ULTIMATE.start_main_~y~4 38), 146276#(<= ULTIMATE.start_main_~y~4 35), 146277#(<= ULTIMATE.start_main_~y~4 36), 146282#(<= ULTIMATE.start_main_~y~4 41), 146283#(<= ULTIMATE.start_main_~y~4 42), 146280#(<= ULTIMATE.start_main_~y~4 39), 146281#(<= ULTIMATE.start_main_~y~4 40), 146286#(<= ULTIMATE.start_main_~y~4 45), 146287#(<= ULTIMATE.start_main_~y~4 46), 146284#(<= ULTIMATE.start_main_~y~4 43), 146285#(<= ULTIMATE.start_main_~y~4 44), 146290#(<= ULTIMATE.start_main_~y~4 49), 146291#(<= ULTIMATE.start_main_~y~4 50), 146288#(<= ULTIMATE.start_main_~y~4 47), 146289#(<= ULTIMATE.start_main_~y~4 48), 146294#(<= ULTIMATE.start_main_~y~4 53), 146295#(<= ULTIMATE.start_main_~y~4 54), 146292#(<= ULTIMATE.start_main_~y~4 51), 146293#(<= ULTIMATE.start_main_~y~4 52), 146298#(<= ULTIMATE.start_main_~y~4 57), 146299#(<= ULTIMATE.start_main_~y~4 58), 146296#(<= ULTIMATE.start_main_~y~4 55), 146297#(<= ULTIMATE.start_main_~y~4 56), 146302#(<= ULTIMATE.start_main_~y~4 61), 146303#(<= ULTIMATE.start_main_~y~4 62), 146300#(<= ULTIMATE.start_main_~y~4 59), 146301#(<= ULTIMATE.start_main_~y~4 60), 146306#(<= ULTIMATE.start_main_~y~4 65), 146307#(<= ULTIMATE.start_main_~y~4 66), 146304#(<= ULTIMATE.start_main_~y~4 63), 146305#(<= ULTIMATE.start_main_~y~4 64), 146310#(<= ULTIMATE.start_main_~y~4 69), 146311#(<= ULTIMATE.start_main_~y~4 70), 146308#(<= ULTIMATE.start_main_~y~4 67), 146309#(<= ULTIMATE.start_main_~y~4 68), 146314#(<= ULTIMATE.start_main_~y~4 73), 146315#(<= ULTIMATE.start_main_~y~4 74), 146312#(<= ULTIMATE.start_main_~y~4 71), 146313#(<= ULTIMATE.start_main_~y~4 72), 146318#(<= ULTIMATE.start_main_~y~4 77), 146319#(<= ULTIMATE.start_main_~y~4 78), 146316#(<= ULTIMATE.start_main_~y~4 75), 146317#(<= ULTIMATE.start_main_~y~4 76), 146322#(<= ULTIMATE.start_main_~y~4 81), 146323#(<= ULTIMATE.start_main_~y~4 82), 146320#(<= ULTIMATE.start_main_~y~4 79), 146321#(<= ULTIMATE.start_main_~y~4 80), 146326#(<= ULTIMATE.start_main_~y~4 85), 146327#(<= ULTIMATE.start_main_~y~4 86), 146324#(<= ULTIMATE.start_main_~y~4 83), 146325#(<= ULTIMATE.start_main_~y~4 84), 146330#(<= ULTIMATE.start_main_~y~4 89), 146331#(<= ULTIMATE.start_main_~y~4 90), 146328#(<= ULTIMATE.start_main_~y~4 87), 146329#(<= ULTIMATE.start_main_~y~4 88), 146334#(<= ULTIMATE.start_main_~y~4 93), 146335#(<= ULTIMATE.start_main_~y~4 94), 146332#(<= ULTIMATE.start_main_~y~4 91), 146333#(<= ULTIMATE.start_main_~y~4 92), 146338#(<= ULTIMATE.start_main_~y~4 97), 146339#(<= ULTIMATE.start_main_~y~4 98), 146336#(<= ULTIMATE.start_main_~y~4 95), 146337#(<= ULTIMATE.start_main_~y~4 96), 146342#(<= ULTIMATE.start_main_~y~4 101), 146343#(<= ULTIMATE.start_main_~y~4 102), 146340#(<= ULTIMATE.start_main_~y~4 99), 146341#(<= ULTIMATE.start_main_~y~4 100), 146346#(<= ULTIMATE.start_main_~y~4 105), 146347#(<= ULTIMATE.start_main_~y~4 106), 146344#(<= ULTIMATE.start_main_~y~4 103), 146345#(<= ULTIMATE.start_main_~y~4 104), 146350#(<= ULTIMATE.start_main_~y~4 109), 146351#(<= ULTIMATE.start_main_~y~4 110), 146348#(<= ULTIMATE.start_main_~y~4 107), 146349#(<= ULTIMATE.start_main_~y~4 108), 146354#(<= ULTIMATE.start_main_~y~4 113), 146355#(<= ULTIMATE.start_main_~y~4 114), 146352#(<= ULTIMATE.start_main_~y~4 111), 146353#(<= ULTIMATE.start_main_~y~4 112), 146358#(<= ULTIMATE.start_main_~y~4 117), 146359#(<= ULTIMATE.start_main_~y~4 118), 146356#(<= ULTIMATE.start_main_~y~4 115), 146357#(<= ULTIMATE.start_main_~y~4 116), 146362#(<= ULTIMATE.start_main_~y~4 121), 146363#(<= ULTIMATE.start_main_~y~4 122), 146360#(<= ULTIMATE.start_main_~y~4 119), 146361#(<= ULTIMATE.start_main_~y~4 120), 146366#(<= ULTIMATE.start_main_~y~4 125), 146367#(<= ULTIMATE.start_main_~y~4 126), 146364#(<= ULTIMATE.start_main_~y~4 123), 146365#(<= ULTIMATE.start_main_~y~4 124), 146370#(<= ULTIMATE.start_main_~y~4 129), 146371#(<= ULTIMATE.start_main_~y~4 130), 146368#(<= ULTIMATE.start_main_~y~4 127), 146369#(<= ULTIMATE.start_main_~y~4 128), 146374#(<= ULTIMATE.start_main_~y~4 133), 146375#(<= ULTIMATE.start_main_~y~4 134), 146372#(<= ULTIMATE.start_main_~y~4 131), 146373#(<= ULTIMATE.start_main_~y~4 132), 146378#(<= ULTIMATE.start_main_~y~4 137), 146379#(<= ULTIMATE.start_main_~y~4 138), 146376#(<= ULTIMATE.start_main_~y~4 135), 146377#(<= ULTIMATE.start_main_~y~4 136), 146382#(<= ULTIMATE.start_main_~y~4 141), 146383#(<= ULTIMATE.start_main_~y~4 142), 146380#(<= ULTIMATE.start_main_~y~4 139), 146381#(<= ULTIMATE.start_main_~y~4 140), 146386#(<= ULTIMATE.start_main_~y~4 145), 146387#(<= ULTIMATE.start_main_~y~4 146), 146384#(<= ULTIMATE.start_main_~y~4 143), 146385#(<= ULTIMATE.start_main_~y~4 144), 146390#(<= ULTIMATE.start_main_~y~4 149), 146391#(<= ULTIMATE.start_main_~y~4 150), 146388#(<= ULTIMATE.start_main_~y~4 147), 146389#(<= ULTIMATE.start_main_~y~4 148), 146394#(<= ULTIMATE.start_main_~y~4 153), 146395#(<= ULTIMATE.start_main_~y~4 154), 146392#(<= ULTIMATE.start_main_~y~4 151), 146393#(<= ULTIMATE.start_main_~y~4 152), 146398#(<= ULTIMATE.start_main_~y~4 157), 146399#(<= ULTIMATE.start_main_~y~4 158), 146396#(<= ULTIMATE.start_main_~y~4 155), 146397#(<= ULTIMATE.start_main_~y~4 156), 146402#(<= ULTIMATE.start_main_~y~4 161), 146403#(<= ULTIMATE.start_main_~y~4 162), 146400#(<= ULTIMATE.start_main_~y~4 159), 146401#(<= ULTIMATE.start_main_~y~4 160), 146406#(<= ULTIMATE.start_main_~y~4 165), 146407#(<= ULTIMATE.start_main_~y~4 166), 146404#(<= ULTIMATE.start_main_~y~4 163), 146405#(<= ULTIMATE.start_main_~y~4 164), 146410#(<= ULTIMATE.start_main_~y~4 169), 146411#(<= ULTIMATE.start_main_~y~4 170), 146408#(<= ULTIMATE.start_main_~y~4 167), 146409#(<= ULTIMATE.start_main_~y~4 168), 146414#(<= ULTIMATE.start_main_~y~4 173), 146415#(<= ULTIMATE.start_main_~y~4 174), 146412#(<= ULTIMATE.start_main_~y~4 171), 146413#(<= ULTIMATE.start_main_~y~4 172), 146418#(<= ULTIMATE.start_main_~y~4 177), 146419#(<= ULTIMATE.start_main_~y~4 178), 146416#(<= ULTIMATE.start_main_~y~4 175), 146417#(<= ULTIMATE.start_main_~y~4 176), 146422#(<= ULTIMATE.start_main_~y~4 181), 146423#(<= ULTIMATE.start_main_~y~4 182), 146420#(<= ULTIMATE.start_main_~y~4 179), 146421#(<= ULTIMATE.start_main_~y~4 180), 146426#(<= ULTIMATE.start_main_~y~4 185), 146427#(<= ULTIMATE.start_main_~y~4 186), 146424#(<= ULTIMATE.start_main_~y~4 183), 146425#(<= ULTIMATE.start_main_~y~4 184), 146430#(<= ULTIMATE.start_main_~y~4 189), 146431#(<= ULTIMATE.start_main_~y~4 190), 146428#(<= ULTIMATE.start_main_~y~4 187), 146429#(<= ULTIMATE.start_main_~y~4 188)] [2018-07-23 13:40:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 28203 backedges. 0 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,089 INFO L450 AbstractCegarLoop]: Interpolant automaton has 240 states [2018-07-23 13:40:54,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2018-07-23 13:40:54,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28680, Invalid=28680, Unknown=0, NotChecked=0, Total=57360 [2018-07-23 13:40:54,095 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 240 states. [2018-07-23 13:40:55,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,346 INFO L93 Difference]: Finished difference Result 244 states and 244 transitions. [2018-07-23 13:40:55,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2018-07-23 13:40:55,346 INFO L78 Accepts]: Start accepts. Automaton has 240 states. Word has length 240 [2018-07-23 13:40:55,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,347 INFO L225 Difference]: With dead ends: 244 [2018-07-23 13:40:55,347 INFO L226 Difference]: Without dead ends: 242 [2018-07-23 13:40:55,350 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=28680, Invalid=28680, Unknown=0, NotChecked=0, Total=57360 [2018-07-23 13:40:55,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-07-23 13:40:55,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2018-07-23 13:40:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-07-23 13:40:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 242 transitions. [2018-07-23 13:40:55,353 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 242 transitions. Word has length 240 [2018-07-23 13:40:55,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,353 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 242 transitions. [2018-07-23 13:40:55,353 INFO L472 AbstractCegarLoop]: Interpolant automaton has 240 states. [2018-07-23 13:40:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 242 transitions. [2018-07-23 13:40:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-07-23 13:40:55,354 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,354 INFO L357 BasicCegarLoop]: trace histogram [238, 1, 1, 1] [2018-07-23 13:40:55,354 INFO L414 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,354 INFO L82 PathProgramCache]: Analyzing trace with hash 131909347, now seen corresponding path program 238 times [2018-07-23 13:40:55,354 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 28441 backedges. 0 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,839 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,839 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [240] total 240 [2018-07-23 13:40:56,839 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,840 INFO L185 omatonBuilderFactory]: Interpolants [147458#(<= ULTIMATE.start_main_~y~4 5), 147459#(<= ULTIMATE.start_main_~y~4 6), 147456#(<= ULTIMATE.start_main_~y~4 3), 147457#(<= ULTIMATE.start_main_~y~4 4), 147462#(<= ULTIMATE.start_main_~y~4 9), 147463#(<= ULTIMATE.start_main_~y~4 10), 147460#(<= ULTIMATE.start_main_~y~4 7), 147461#(<= ULTIMATE.start_main_~y~4 8), 147466#(<= ULTIMATE.start_main_~y~4 13), 147467#(<= ULTIMATE.start_main_~y~4 14), 147464#(<= ULTIMATE.start_main_~y~4 11), 147465#(<= ULTIMATE.start_main_~y~4 12), 147470#(<= ULTIMATE.start_main_~y~4 17), 147471#(<= ULTIMATE.start_main_~y~4 18), 147468#(<= ULTIMATE.start_main_~y~4 15), 147469#(<= ULTIMATE.start_main_~y~4 16), 147474#(<= ULTIMATE.start_main_~y~4 21), 147475#(<= ULTIMATE.start_main_~y~4 22), 147472#(<= ULTIMATE.start_main_~y~4 19), 147473#(<= ULTIMATE.start_main_~y~4 20), 147478#(<= ULTIMATE.start_main_~y~4 25), 147479#(<= ULTIMATE.start_main_~y~4 26), 147476#(<= ULTIMATE.start_main_~y~4 23), 147477#(<= ULTIMATE.start_main_~y~4 24), 147482#(<= ULTIMATE.start_main_~y~4 29), 147483#(<= ULTIMATE.start_main_~y~4 30), 147480#(<= ULTIMATE.start_main_~y~4 27), 147481#(<= ULTIMATE.start_main_~y~4 28), 147486#(<= ULTIMATE.start_main_~y~4 33), 147487#(<= ULTIMATE.start_main_~y~4 34), 147484#(<= ULTIMATE.start_main_~y~4 31), 147485#(<= ULTIMATE.start_main_~y~4 32), 147490#(<= ULTIMATE.start_main_~y~4 37), 147491#(<= ULTIMATE.start_main_~y~4 38), 147488#(<= ULTIMATE.start_main_~y~4 35), 147489#(<= ULTIMATE.start_main_~y~4 36), 147494#(<= ULTIMATE.start_main_~y~4 41), 147495#(<= ULTIMATE.start_main_~y~4 42), 147492#(<= ULTIMATE.start_main_~y~4 39), 147493#(<= ULTIMATE.start_main_~y~4 40), 147498#(<= ULTIMATE.start_main_~y~4 45), 147499#(<= ULTIMATE.start_main_~y~4 46), 147496#(<= ULTIMATE.start_main_~y~4 43), 147497#(<= ULTIMATE.start_main_~y~4 44), 147502#(<= ULTIMATE.start_main_~y~4 49), 147503#(<= ULTIMATE.start_main_~y~4 50), 147500#(<= ULTIMATE.start_main_~y~4 47), 147501#(<= ULTIMATE.start_main_~y~4 48), 147506#(<= ULTIMATE.start_main_~y~4 53), 147507#(<= ULTIMATE.start_main_~y~4 54), 147504#(<= ULTIMATE.start_main_~y~4 51), 147505#(<= ULTIMATE.start_main_~y~4 52), 147510#(<= ULTIMATE.start_main_~y~4 57), 147511#(<= ULTIMATE.start_main_~y~4 58), 147508#(<= ULTIMATE.start_main_~y~4 55), 147509#(<= ULTIMATE.start_main_~y~4 56), 147514#(<= ULTIMATE.start_main_~y~4 61), 147515#(<= ULTIMATE.start_main_~y~4 62), 147512#(<= ULTIMATE.start_main_~y~4 59), 147513#(<= ULTIMATE.start_main_~y~4 60), 147518#(<= ULTIMATE.start_main_~y~4 65), 147519#(<= ULTIMATE.start_main_~y~4 66), 147516#(<= ULTIMATE.start_main_~y~4 63), 147517#(<= ULTIMATE.start_main_~y~4 64), 147522#(<= ULTIMATE.start_main_~y~4 69), 147523#(<= ULTIMATE.start_main_~y~4 70), 147520#(<= ULTIMATE.start_main_~y~4 67), 147521#(<= ULTIMATE.start_main_~y~4 68), 147526#(<= ULTIMATE.start_main_~y~4 73), 147527#(<= ULTIMATE.start_main_~y~4 74), 147524#(<= ULTIMATE.start_main_~y~4 71), 147525#(<= ULTIMATE.start_main_~y~4 72), 147530#(<= ULTIMATE.start_main_~y~4 77), 147531#(<= ULTIMATE.start_main_~y~4 78), 147528#(<= ULTIMATE.start_main_~y~4 75), 147529#(<= ULTIMATE.start_main_~y~4 76), 147534#(<= ULTIMATE.start_main_~y~4 81), 147535#(<= ULTIMATE.start_main_~y~4 82), 147532#(<= ULTIMATE.start_main_~y~4 79), 147533#(<= ULTIMATE.start_main_~y~4 80), 147538#(<= ULTIMATE.start_main_~y~4 85), 147539#(<= ULTIMATE.start_main_~y~4 86), 147536#(<= ULTIMATE.start_main_~y~4 83), 147537#(<= ULTIMATE.start_main_~y~4 84), 147542#(<= ULTIMATE.start_main_~y~4 89), 147543#(<= ULTIMATE.start_main_~y~4 90), 147540#(<= ULTIMATE.start_main_~y~4 87), 147541#(<= ULTIMATE.start_main_~y~4 88), 147546#(<= ULTIMATE.start_main_~y~4 93), 147547#(<= ULTIMATE.start_main_~y~4 94), 147544#(<= ULTIMATE.start_main_~y~4 91), 147545#(<= ULTIMATE.start_main_~y~4 92), 147550#(<= ULTIMATE.start_main_~y~4 97), 147551#(<= ULTIMATE.start_main_~y~4 98), 147548#(<= ULTIMATE.start_main_~y~4 95), 147549#(<= ULTIMATE.start_main_~y~4 96), 147554#(<= ULTIMATE.start_main_~y~4 101), 147555#(<= ULTIMATE.start_main_~y~4 102), 147552#(<= ULTIMATE.start_main_~y~4 99), 147553#(<= ULTIMATE.start_main_~y~4 100), 147558#(<= ULTIMATE.start_main_~y~4 105), 147559#(<= ULTIMATE.start_main_~y~4 106), 147556#(<= ULTIMATE.start_main_~y~4 103), 147557#(<= ULTIMATE.start_main_~y~4 104), 147562#(<= ULTIMATE.start_main_~y~4 109), 147563#(<= ULTIMATE.start_main_~y~4 110), 147560#(<= ULTIMATE.start_main_~y~4 107), 147561#(<= ULTIMATE.start_main_~y~4 108), 147566#(<= ULTIMATE.start_main_~y~4 113), 147567#(<= ULTIMATE.start_main_~y~4 114), 147564#(<= ULTIMATE.start_main_~y~4 111), 147565#(<= ULTIMATE.start_main_~y~4 112), 147570#(<= ULTIMATE.start_main_~y~4 117), 147571#(<= ULTIMATE.start_main_~y~4 118), 147568#(<= ULTIMATE.start_main_~y~4 115), 147569#(<= ULTIMATE.start_main_~y~4 116), 147574#(<= ULTIMATE.start_main_~y~4 121), 147575#(<= ULTIMATE.start_main_~y~4 122), 147572#(<= ULTIMATE.start_main_~y~4 119), 147573#(<= ULTIMATE.start_main_~y~4 120), 147578#(<= ULTIMATE.start_main_~y~4 125), 147579#(<= ULTIMATE.start_main_~y~4 126), 147576#(<= ULTIMATE.start_main_~y~4 123), 147577#(<= ULTIMATE.start_main_~y~4 124), 147582#(<= ULTIMATE.start_main_~y~4 129), 147583#(<= ULTIMATE.start_main_~y~4 130), 147580#(<= ULTIMATE.start_main_~y~4 127), 147581#(<= ULTIMATE.start_main_~y~4 128), 147586#(<= ULTIMATE.start_main_~y~4 133), 147587#(<= ULTIMATE.start_main_~y~4 134), 147584#(<= ULTIMATE.start_main_~y~4 131), 147585#(<= ULTIMATE.start_main_~y~4 132), 147590#(<= ULTIMATE.start_main_~y~4 137), 147591#(<= ULTIMATE.start_main_~y~4 138), 147588#(<= ULTIMATE.start_main_~y~4 135), 147589#(<= ULTIMATE.start_main_~y~4 136), 147594#(<= ULTIMATE.start_main_~y~4 141), 147595#(<= ULTIMATE.start_main_~y~4 142), 147592#(<= ULTIMATE.start_main_~y~4 139), 147593#(<= ULTIMATE.start_main_~y~4 140), 147598#(<= ULTIMATE.start_main_~y~4 145), 147599#(<= ULTIMATE.start_main_~y~4 146), 147596#(<= ULTIMATE.start_main_~y~4 143), 147597#(<= ULTIMATE.start_main_~y~4 144), 147602#(<= ULTIMATE.start_main_~y~4 149), 147603#(<= ULTIMATE.start_main_~y~4 150), 147600#(<= ULTIMATE.start_main_~y~4 147), 147601#(<= ULTIMATE.start_main_~y~4 148), 147606#(<= ULTIMATE.start_main_~y~4 153), 147607#(<= ULTIMATE.start_main_~y~4 154), 147604#(<= ULTIMATE.start_main_~y~4 151), 147605#(<= ULTIMATE.start_main_~y~4 152), 147610#(<= ULTIMATE.start_main_~y~4 157), 147611#(<= ULTIMATE.start_main_~y~4 158), 147608#(<= ULTIMATE.start_main_~y~4 155), 147609#(<= ULTIMATE.start_main_~y~4 156), 147614#(<= ULTIMATE.start_main_~y~4 161), 147615#(<= ULTIMATE.start_main_~y~4 162), 147612#(<= ULTIMATE.start_main_~y~4 159), 147613#(<= ULTIMATE.start_main_~y~4 160), 147618#(<= ULTIMATE.start_main_~y~4 165), 147619#(<= ULTIMATE.start_main_~y~4 166), 147616#(<= ULTIMATE.start_main_~y~4 163), 147617#(<= ULTIMATE.start_main_~y~4 164), 147622#(<= ULTIMATE.start_main_~y~4 169), 147623#(<= ULTIMATE.start_main_~y~4 170), 147620#(<= ULTIMATE.start_main_~y~4 167), 147621#(<= ULTIMATE.start_main_~y~4 168), 147626#(<= ULTIMATE.start_main_~y~4 173), 147627#(<= ULTIMATE.start_main_~y~4 174), 147624#(<= ULTIMATE.start_main_~y~4 171), 147625#(<= ULTIMATE.start_main_~y~4 172), 147630#(<= ULTIMATE.start_main_~y~4 177), 147631#(<= ULTIMATE.start_main_~y~4 178), 147628#(<= ULTIMATE.start_main_~y~4 175), 147629#(<= ULTIMATE.start_main_~y~4 176), 147634#(<= ULTIMATE.start_main_~y~4 181), 147635#(<= ULTIMATE.start_main_~y~4 182), 147632#(<= ULTIMATE.start_main_~y~4 179), 147633#(<= ULTIMATE.start_main_~y~4 180), 147638#(<= ULTIMATE.start_main_~y~4 185), 147639#(<= ULTIMATE.start_main_~y~4 186), 147636#(<= ULTIMATE.start_main_~y~4 183), 147637#(<= ULTIMATE.start_main_~y~4 184), 147642#(<= ULTIMATE.start_main_~y~4 189), 147643#(<= ULTIMATE.start_main_~y~4 190), 147640#(<= ULTIMATE.start_main_~y~4 187), 147641#(<= ULTIMATE.start_main_~y~4 188), 147646#(<= ULTIMATE.start_main_~y~4 193), 147647#(<= ULTIMATE.start_main_~y~4 194), 147644#(<= ULTIMATE.start_main_~y~4 191), 147645#(<= ULTIMATE.start_main_~y~4 192), 147650#(<= ULTIMATE.start_main_~y~4 197), 147651#(<= ULTIMATE.start_main_~y~4 198), 147648#(<= ULTIMATE.start_main_~y~4 195), 147649#(<= ULTIMATE.start_main_~y~4 196), 147654#(<= ULTIMATE.start_main_~y~4 201), 147655#(<= ULTIMATE.start_main_~y~4 202), 147652#(<= ULTIMATE.start_main_~y~4 199), 147653#(<= ULTIMATE.start_main_~y~4 200), 147658#(<= ULTIMATE.start_main_~y~4 205), 147659#(<= ULTIMATE.start_main_~y~4 206), 147656#(<= ULTIMATE.start_main_~y~4 203), 147657#(<= ULTIMATE.start_main_~y~4 204), 147662#(<= ULTIMATE.start_main_~y~4 209), 147663#(<= ULTIMATE.start_main_~y~4 210), 147660#(<= ULTIMATE.start_main_~y~4 207), 147661#(<= ULTIMATE.start_main_~y~4 208), 147666#(<= ULTIMATE.start_main_~y~4 213), 147667#(<= ULTIMATE.start_main_~y~4 214), 147664#(<= ULTIMATE.start_main_~y~4 211), 147665#(<= ULTIMATE.start_main_~y~4 212), 147670#(<= ULTIMATE.start_main_~y~4 217), 147671#(<= ULTIMATE.start_main_~y~4 218), 147668#(<= ULTIMATE.start_main_~y~4 215), 147669#(<= ULTIMATE.start_main_~y~4 216), 147674#(<= ULTIMATE.start_main_~y~4 221), 147675#(<= ULTIMATE.start_main_~y~4 222), 147672#(<= ULTIMATE.start_main_~y~4 219), 147673#(<= ULTIMATE.start_main_~y~4 220), 147678#(<= ULTIMATE.start_main_~y~4 225), 147679#(<= ULTIMATE.start_main_~y~4 226), 147676#(<= ULTIMATE.start_main_~y~4 223), 147677#(<= ULTIMATE.start_main_~y~4 224), 147682#(<= ULTIMATE.start_main_~y~4 229), 147683#(<= ULTIMATE.start_main_~y~4 230), 147680#(<= ULTIMATE.start_main_~y~4 227), 147681#(<= ULTIMATE.start_main_~y~4 228), 147686#(<= ULTIMATE.start_main_~y~4 233), 147687#(<= ULTIMATE.start_main_~y~4 234), 147684#(<= ULTIMATE.start_main_~y~4 231), 147685#(<= ULTIMATE.start_main_~y~4 232), 147690#(<= ULTIMATE.start_main_~y~4 237), 147691#(<= ULTIMATE.start_main_~y~4 238), 147688#(<= ULTIMATE.start_main_~y~4 235), 147689#(<= ULTIMATE.start_main_~y~4 236), 147451#true, 147454#(<= ULTIMATE.start_main_~y~4 1), 147455#(<= ULTIMATE.start_main_~y~4 2), 147452#false, 147453#(<= ULTIMATE.start_main_~y~4 0)] [2018-07-23 13:40:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28441 backedges. 0 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,842 INFO L450 AbstractCegarLoop]: Interpolant automaton has 241 states [2018-07-23 13:40:56,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2018-07-23 13:40:56,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28920, Invalid=28920, Unknown=0, NotChecked=0, Total=57840 [2018-07-23 13:40:56,849 INFO L87 Difference]: Start difference. First operand 242 states and 242 transitions. Second operand 241 states. [2018-07-23 13:40:59,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:59,265 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:40:59,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2018-07-23 13:40:59,265 INFO L78 Accepts]: Start accepts. Automaton has 241 states. Word has length 241 [2018-07-23 13:40:59,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:59,266 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:40:59,266 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:40:59,268 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=28920, Invalid=28920, Unknown=0, NotChecked=0, Total=57840 [2018-07-23 13:40:59,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:40:59,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:40:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:40:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:40:59,271 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 241 [2018-07-23 13:40:59,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:59,271 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:40:59,271 INFO L472 AbstractCegarLoop]: Interpolant automaton has 241 states. [2018-07-23 13:40:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:40:59,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:40:59,272 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:59,272 INFO L357 BasicCegarLoop]: trace histogram [239, 1, 1, 1] [2018-07-23 13:40:59,272 INFO L414 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:59,272 INFO L82 PathProgramCache]: Analyzing trace with hash -205775732, now seen corresponding path program 239 times [2018-07-23 13:40:59,272 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 28680 backedges. 0 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,790 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:00,790 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [241] total 241 [2018-07-23 13:41:00,790 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:00,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,791 INFO L185 omatonBuilderFactory]: Interpolants [148670#(<= ULTIMATE.start_main_~y~4 0), 148671#(<= ULTIMATE.start_main_~y~4 1), 148668#true, 148669#false, 148674#(<= ULTIMATE.start_main_~y~4 4), 148675#(<= ULTIMATE.start_main_~y~4 5), 148672#(<= ULTIMATE.start_main_~y~4 2), 148673#(<= ULTIMATE.start_main_~y~4 3), 148678#(<= ULTIMATE.start_main_~y~4 8), 148679#(<= ULTIMATE.start_main_~y~4 9), 148676#(<= ULTIMATE.start_main_~y~4 6), 148677#(<= ULTIMATE.start_main_~y~4 7), 148682#(<= ULTIMATE.start_main_~y~4 12), 148683#(<= ULTIMATE.start_main_~y~4 13), 148680#(<= ULTIMATE.start_main_~y~4 10), 148681#(<= ULTIMATE.start_main_~y~4 11), 148686#(<= ULTIMATE.start_main_~y~4 16), 148687#(<= ULTIMATE.start_main_~y~4 17), 148684#(<= ULTIMATE.start_main_~y~4 14), 148685#(<= ULTIMATE.start_main_~y~4 15), 148690#(<= ULTIMATE.start_main_~y~4 20), 148691#(<= ULTIMATE.start_main_~y~4 21), 148688#(<= ULTIMATE.start_main_~y~4 18), 148689#(<= ULTIMATE.start_main_~y~4 19), 148694#(<= ULTIMATE.start_main_~y~4 24), 148695#(<= ULTIMATE.start_main_~y~4 25), 148692#(<= ULTIMATE.start_main_~y~4 22), 148693#(<= ULTIMATE.start_main_~y~4 23), 148698#(<= ULTIMATE.start_main_~y~4 28), 148699#(<= ULTIMATE.start_main_~y~4 29), 148696#(<= ULTIMATE.start_main_~y~4 26), 148697#(<= ULTIMATE.start_main_~y~4 27), 148702#(<= ULTIMATE.start_main_~y~4 32), 148703#(<= ULTIMATE.start_main_~y~4 33), 148700#(<= ULTIMATE.start_main_~y~4 30), 148701#(<= ULTIMATE.start_main_~y~4 31), 148706#(<= ULTIMATE.start_main_~y~4 36), 148707#(<= ULTIMATE.start_main_~y~4 37), 148704#(<= ULTIMATE.start_main_~y~4 34), 148705#(<= ULTIMATE.start_main_~y~4 35), 148710#(<= ULTIMATE.start_main_~y~4 40), 148711#(<= ULTIMATE.start_main_~y~4 41), 148708#(<= ULTIMATE.start_main_~y~4 38), 148709#(<= ULTIMATE.start_main_~y~4 39), 148714#(<= ULTIMATE.start_main_~y~4 44), 148715#(<= ULTIMATE.start_main_~y~4 45), 148712#(<= ULTIMATE.start_main_~y~4 42), 148713#(<= ULTIMATE.start_main_~y~4 43), 148718#(<= ULTIMATE.start_main_~y~4 48), 148719#(<= ULTIMATE.start_main_~y~4 49), 148716#(<= ULTIMATE.start_main_~y~4 46), 148717#(<= ULTIMATE.start_main_~y~4 47), 148722#(<= ULTIMATE.start_main_~y~4 52), 148723#(<= ULTIMATE.start_main_~y~4 53), 148720#(<= ULTIMATE.start_main_~y~4 50), 148721#(<= ULTIMATE.start_main_~y~4 51), 148726#(<= ULTIMATE.start_main_~y~4 56), 148727#(<= ULTIMATE.start_main_~y~4 57), 148724#(<= ULTIMATE.start_main_~y~4 54), 148725#(<= ULTIMATE.start_main_~y~4 55), 148730#(<= ULTIMATE.start_main_~y~4 60), 148731#(<= ULTIMATE.start_main_~y~4 61), 148728#(<= ULTIMATE.start_main_~y~4 58), 148729#(<= ULTIMATE.start_main_~y~4 59), 148734#(<= ULTIMATE.start_main_~y~4 64), 148735#(<= ULTIMATE.start_main_~y~4 65), 148732#(<= ULTIMATE.start_main_~y~4 62), 148733#(<= ULTIMATE.start_main_~y~4 63), 148738#(<= ULTIMATE.start_main_~y~4 68), 148739#(<= ULTIMATE.start_main_~y~4 69), 148736#(<= ULTIMATE.start_main_~y~4 66), 148737#(<= ULTIMATE.start_main_~y~4 67), 148742#(<= ULTIMATE.start_main_~y~4 72), 148743#(<= ULTIMATE.start_main_~y~4 73), 148740#(<= ULTIMATE.start_main_~y~4 70), 148741#(<= ULTIMATE.start_main_~y~4 71), 148746#(<= ULTIMATE.start_main_~y~4 76), 148747#(<= ULTIMATE.start_main_~y~4 77), 148744#(<= ULTIMATE.start_main_~y~4 74), 148745#(<= ULTIMATE.start_main_~y~4 75), 148750#(<= ULTIMATE.start_main_~y~4 80), 148751#(<= ULTIMATE.start_main_~y~4 81), 148748#(<= ULTIMATE.start_main_~y~4 78), 148749#(<= ULTIMATE.start_main_~y~4 79), 148754#(<= ULTIMATE.start_main_~y~4 84), 148755#(<= ULTIMATE.start_main_~y~4 85), 148752#(<= ULTIMATE.start_main_~y~4 82), 148753#(<= ULTIMATE.start_main_~y~4 83), 148758#(<= ULTIMATE.start_main_~y~4 88), 148759#(<= ULTIMATE.start_main_~y~4 89), 148756#(<= ULTIMATE.start_main_~y~4 86), 148757#(<= ULTIMATE.start_main_~y~4 87), 148762#(<= ULTIMATE.start_main_~y~4 92), 148763#(<= ULTIMATE.start_main_~y~4 93), 148760#(<= ULTIMATE.start_main_~y~4 90), 148761#(<= ULTIMATE.start_main_~y~4 91), 148766#(<= ULTIMATE.start_main_~y~4 96), 148767#(<= ULTIMATE.start_main_~y~4 97), 148764#(<= ULTIMATE.start_main_~y~4 94), 148765#(<= ULTIMATE.start_main_~y~4 95), 148770#(<= ULTIMATE.start_main_~y~4 100), 148771#(<= ULTIMATE.start_main_~y~4 101), 148768#(<= ULTIMATE.start_main_~y~4 98), 148769#(<= ULTIMATE.start_main_~y~4 99), 148774#(<= ULTIMATE.start_main_~y~4 104), 148775#(<= ULTIMATE.start_main_~y~4 105), 148772#(<= ULTIMATE.start_main_~y~4 102), 148773#(<= ULTIMATE.start_main_~y~4 103), 148778#(<= ULTIMATE.start_main_~y~4 108), 148779#(<= ULTIMATE.start_main_~y~4 109), 148776#(<= ULTIMATE.start_main_~y~4 106), 148777#(<= ULTIMATE.start_main_~y~4 107), 148782#(<= ULTIMATE.start_main_~y~4 112), 148783#(<= ULTIMATE.start_main_~y~4 113), 148780#(<= ULTIMATE.start_main_~y~4 110), 148781#(<= ULTIMATE.start_main_~y~4 111), 148786#(<= ULTIMATE.start_main_~y~4 116), 148787#(<= ULTIMATE.start_main_~y~4 117), 148784#(<= ULTIMATE.start_main_~y~4 114), 148785#(<= ULTIMATE.start_main_~y~4 115), 148790#(<= ULTIMATE.start_main_~y~4 120), 148791#(<= ULTIMATE.start_main_~y~4 121), 148788#(<= ULTIMATE.start_main_~y~4 118), 148789#(<= ULTIMATE.start_main_~y~4 119), 148794#(<= ULTIMATE.start_main_~y~4 124), 148795#(<= ULTIMATE.start_main_~y~4 125), 148792#(<= ULTIMATE.start_main_~y~4 122), 148793#(<= ULTIMATE.start_main_~y~4 123), 148798#(<= ULTIMATE.start_main_~y~4 128), 148799#(<= ULTIMATE.start_main_~y~4 129), 148796#(<= ULTIMATE.start_main_~y~4 126), 148797#(<= ULTIMATE.start_main_~y~4 127), 148802#(<= ULTIMATE.start_main_~y~4 132), 148803#(<= ULTIMATE.start_main_~y~4 133), 148800#(<= ULTIMATE.start_main_~y~4 130), 148801#(<= ULTIMATE.start_main_~y~4 131), 148806#(<= ULTIMATE.start_main_~y~4 136), 148807#(<= ULTIMATE.start_main_~y~4 137), 148804#(<= ULTIMATE.start_main_~y~4 134), 148805#(<= ULTIMATE.start_main_~y~4 135), 148810#(<= ULTIMATE.start_main_~y~4 140), 148811#(<= ULTIMATE.start_main_~y~4 141), 148808#(<= ULTIMATE.start_main_~y~4 138), 148809#(<= ULTIMATE.start_main_~y~4 139), 148814#(<= ULTIMATE.start_main_~y~4 144), 148815#(<= ULTIMATE.start_main_~y~4 145), 148812#(<= ULTIMATE.start_main_~y~4 142), 148813#(<= ULTIMATE.start_main_~y~4 143), 148818#(<= ULTIMATE.start_main_~y~4 148), 148819#(<= ULTIMATE.start_main_~y~4 149), 148816#(<= ULTIMATE.start_main_~y~4 146), 148817#(<= ULTIMATE.start_main_~y~4 147), 148822#(<= ULTIMATE.start_main_~y~4 152), 148823#(<= ULTIMATE.start_main_~y~4 153), 148820#(<= ULTIMATE.start_main_~y~4 150), 148821#(<= ULTIMATE.start_main_~y~4 151), 148826#(<= ULTIMATE.start_main_~y~4 156), 148827#(<= ULTIMATE.start_main_~y~4 157), 148824#(<= ULTIMATE.start_main_~y~4 154), 148825#(<= ULTIMATE.start_main_~y~4 155), 148830#(<= ULTIMATE.start_main_~y~4 160), 148831#(<= ULTIMATE.start_main_~y~4 161), 148828#(<= ULTIMATE.start_main_~y~4 158), 148829#(<= ULTIMATE.start_main_~y~4 159), 148834#(<= ULTIMATE.start_main_~y~4 164), 148835#(<= ULTIMATE.start_main_~y~4 165), 148832#(<= ULTIMATE.start_main_~y~4 162), 148833#(<= ULTIMATE.start_main_~y~4 163), 148838#(<= ULTIMATE.start_main_~y~4 168), 148839#(<= ULTIMATE.start_main_~y~4 169), 148836#(<= ULTIMATE.start_main_~y~4 166), 148837#(<= ULTIMATE.start_main_~y~4 167), 148842#(<= ULTIMATE.start_main_~y~4 172), 148843#(<= ULTIMATE.start_main_~y~4 173), 148840#(<= ULTIMATE.start_main_~y~4 170), 148841#(<= ULTIMATE.start_main_~y~4 171), 148846#(<= ULTIMATE.start_main_~y~4 176), 148847#(<= ULTIMATE.start_main_~y~4 177), 148844#(<= ULTIMATE.start_main_~y~4 174), 148845#(<= ULTIMATE.start_main_~y~4 175), 148850#(<= ULTIMATE.start_main_~y~4 180), 148851#(<= ULTIMATE.start_main_~y~4 181), 148848#(<= ULTIMATE.start_main_~y~4 178), 148849#(<= ULTIMATE.start_main_~y~4 179), 148854#(<= ULTIMATE.start_main_~y~4 184), 148855#(<= ULTIMATE.start_main_~y~4 185), 148852#(<= ULTIMATE.start_main_~y~4 182), 148853#(<= ULTIMATE.start_main_~y~4 183), 148858#(<= ULTIMATE.start_main_~y~4 188), 148859#(<= ULTIMATE.start_main_~y~4 189), 148856#(<= ULTIMATE.start_main_~y~4 186), 148857#(<= ULTIMATE.start_main_~y~4 187), 148862#(<= ULTIMATE.start_main_~y~4 192), 148863#(<= ULTIMATE.start_main_~y~4 193), 148860#(<= ULTIMATE.start_main_~y~4 190), 148861#(<= ULTIMATE.start_main_~y~4 191), 148866#(<= ULTIMATE.start_main_~y~4 196), 148867#(<= ULTIMATE.start_main_~y~4 197), 148864#(<= ULTIMATE.start_main_~y~4 194), 148865#(<= ULTIMATE.start_main_~y~4 195), 148870#(<= ULTIMATE.start_main_~y~4 200), 148871#(<= ULTIMATE.start_main_~y~4 201), 148868#(<= ULTIMATE.start_main_~y~4 198), 148869#(<= ULTIMATE.start_main_~y~4 199), 148874#(<= ULTIMATE.start_main_~y~4 204), 148875#(<= ULTIMATE.start_main_~y~4 205), 148872#(<= ULTIMATE.start_main_~y~4 202), 148873#(<= ULTIMATE.start_main_~y~4 203), 148878#(<= ULTIMATE.start_main_~y~4 208), 148879#(<= ULTIMATE.start_main_~y~4 209), 148876#(<= ULTIMATE.start_main_~y~4 206), 148877#(<= ULTIMATE.start_main_~y~4 207), 148882#(<= ULTIMATE.start_main_~y~4 212), 148883#(<= ULTIMATE.start_main_~y~4 213), 148880#(<= ULTIMATE.start_main_~y~4 210), 148881#(<= ULTIMATE.start_main_~y~4 211), 148886#(<= ULTIMATE.start_main_~y~4 216), 148887#(<= ULTIMATE.start_main_~y~4 217), 148884#(<= ULTIMATE.start_main_~y~4 214), 148885#(<= ULTIMATE.start_main_~y~4 215), 148890#(<= ULTIMATE.start_main_~y~4 220), 148891#(<= ULTIMATE.start_main_~y~4 221), 148888#(<= ULTIMATE.start_main_~y~4 218), 148889#(<= ULTIMATE.start_main_~y~4 219), 148894#(<= ULTIMATE.start_main_~y~4 224), 148895#(<= ULTIMATE.start_main_~y~4 225), 148892#(<= ULTIMATE.start_main_~y~4 222), 148893#(<= ULTIMATE.start_main_~y~4 223), 148898#(<= ULTIMATE.start_main_~y~4 228), 148899#(<= ULTIMATE.start_main_~y~4 229), 148896#(<= ULTIMATE.start_main_~y~4 226), 148897#(<= ULTIMATE.start_main_~y~4 227), 148902#(<= ULTIMATE.start_main_~y~4 232), 148903#(<= ULTIMATE.start_main_~y~4 233), 148900#(<= ULTIMATE.start_main_~y~4 230), 148901#(<= ULTIMATE.start_main_~y~4 231), 148906#(<= ULTIMATE.start_main_~y~4 236), 148907#(<= ULTIMATE.start_main_~y~4 237), 148904#(<= ULTIMATE.start_main_~y~4 234), 148905#(<= ULTIMATE.start_main_~y~4 235), 148908#(<= ULTIMATE.start_main_~y~4 238), 148909#(<= ULTIMATE.start_main_~y~4 239)] [2018-07-23 13:41:00,793 INFO L134 CoverageAnalysis]: Checked inductivity of 28680 backedges. 0 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,793 INFO L450 AbstractCegarLoop]: Interpolant automaton has 242 states [2018-07-23 13:41:00,797 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 242 interpolants. [2018-07-23 13:41:00,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29161, Invalid=29161, Unknown=0, NotChecked=0, Total=58322 [2018-07-23 13:41:00,800 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 242 states. [2018-07-23 13:41:02,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:02,725 INFO L93 Difference]: Finished difference Result 246 states and 246 transitions. [2018-07-23 13:41:02,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2018-07-23 13:41:02,726 INFO L78 Accepts]: Start accepts. Automaton has 242 states. Word has length 242 [2018-07-23 13:41:02,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:02,726 INFO L225 Difference]: With dead ends: 246 [2018-07-23 13:41:02,726 INFO L226 Difference]: Without dead ends: 244 [2018-07-23 13:41:02,729 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=29161, Invalid=29161, Unknown=0, NotChecked=0, Total=58322 [2018-07-23 13:41:02,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-07-23 13:41:02,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2018-07-23 13:41:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-07-23 13:41:02,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 244 transitions. [2018-07-23 13:41:02,732 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 244 transitions. Word has length 242 [2018-07-23 13:41:02,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:02,732 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 244 transitions. [2018-07-23 13:41:02,732 INFO L472 AbstractCegarLoop]: Interpolant automaton has 242 states. [2018-07-23 13:41:02,732 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 244 transitions. [2018-07-23 13:41:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-07-23 13:41:02,733 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:02,733 INFO L357 BasicCegarLoop]: trace histogram [240, 1, 1, 1] [2018-07-23 13:41:02,733 INFO L414 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:02,733 INFO L82 PathProgramCache]: Analyzing trace with hash -2084078589, now seen corresponding path program 240 times [2018-07-23 13:41:02,733 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 28920 backedges. 0 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,256 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,256 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [242] total 242 [2018-07-23 13:41:04,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,257 INFO L185 omatonBuilderFactory]: Interpolants [150018#(<= ULTIMATE.start_main_~y~4 126), 150019#(<= ULTIMATE.start_main_~y~4 127), 150016#(<= ULTIMATE.start_main_~y~4 124), 150017#(<= ULTIMATE.start_main_~y~4 125), 150022#(<= ULTIMATE.start_main_~y~4 130), 150023#(<= ULTIMATE.start_main_~y~4 131), 150020#(<= ULTIMATE.start_main_~y~4 128), 150021#(<= ULTIMATE.start_main_~y~4 129), 150026#(<= ULTIMATE.start_main_~y~4 134), 150027#(<= ULTIMATE.start_main_~y~4 135), 150024#(<= ULTIMATE.start_main_~y~4 132), 150025#(<= ULTIMATE.start_main_~y~4 133), 150030#(<= ULTIMATE.start_main_~y~4 138), 150031#(<= ULTIMATE.start_main_~y~4 139), 150028#(<= ULTIMATE.start_main_~y~4 136), 150029#(<= ULTIMATE.start_main_~y~4 137), 150034#(<= ULTIMATE.start_main_~y~4 142), 150035#(<= ULTIMATE.start_main_~y~4 143), 150032#(<= ULTIMATE.start_main_~y~4 140), 150033#(<= ULTIMATE.start_main_~y~4 141), 150038#(<= ULTIMATE.start_main_~y~4 146), 150039#(<= ULTIMATE.start_main_~y~4 147), 150036#(<= ULTIMATE.start_main_~y~4 144), 150037#(<= ULTIMATE.start_main_~y~4 145), 150042#(<= ULTIMATE.start_main_~y~4 150), 150043#(<= ULTIMATE.start_main_~y~4 151), 150040#(<= ULTIMATE.start_main_~y~4 148), 150041#(<= ULTIMATE.start_main_~y~4 149), 150046#(<= ULTIMATE.start_main_~y~4 154), 150047#(<= ULTIMATE.start_main_~y~4 155), 150044#(<= ULTIMATE.start_main_~y~4 152), 150045#(<= ULTIMATE.start_main_~y~4 153), 150050#(<= ULTIMATE.start_main_~y~4 158), 150051#(<= ULTIMATE.start_main_~y~4 159), 150048#(<= ULTIMATE.start_main_~y~4 156), 150049#(<= ULTIMATE.start_main_~y~4 157), 150054#(<= ULTIMATE.start_main_~y~4 162), 150055#(<= ULTIMATE.start_main_~y~4 163), 150052#(<= ULTIMATE.start_main_~y~4 160), 150053#(<= ULTIMATE.start_main_~y~4 161), 150058#(<= ULTIMATE.start_main_~y~4 166), 150059#(<= ULTIMATE.start_main_~y~4 167), 150056#(<= ULTIMATE.start_main_~y~4 164), 150057#(<= ULTIMATE.start_main_~y~4 165), 150062#(<= ULTIMATE.start_main_~y~4 170), 150063#(<= ULTIMATE.start_main_~y~4 171), 150060#(<= ULTIMATE.start_main_~y~4 168), 150061#(<= ULTIMATE.start_main_~y~4 169), 150066#(<= ULTIMATE.start_main_~y~4 174), 150067#(<= ULTIMATE.start_main_~y~4 175), 150064#(<= ULTIMATE.start_main_~y~4 172), 150065#(<= ULTIMATE.start_main_~y~4 173), 150070#(<= ULTIMATE.start_main_~y~4 178), 150071#(<= ULTIMATE.start_main_~y~4 179), 150068#(<= ULTIMATE.start_main_~y~4 176), 150069#(<= ULTIMATE.start_main_~y~4 177), 150074#(<= ULTIMATE.start_main_~y~4 182), 150075#(<= ULTIMATE.start_main_~y~4 183), 150072#(<= ULTIMATE.start_main_~y~4 180), 150073#(<= ULTIMATE.start_main_~y~4 181), 150078#(<= ULTIMATE.start_main_~y~4 186), 150079#(<= ULTIMATE.start_main_~y~4 187), 150076#(<= ULTIMATE.start_main_~y~4 184), 150077#(<= ULTIMATE.start_main_~y~4 185), 150082#(<= ULTIMATE.start_main_~y~4 190), 150083#(<= ULTIMATE.start_main_~y~4 191), 150080#(<= ULTIMATE.start_main_~y~4 188), 150081#(<= ULTIMATE.start_main_~y~4 189), 150086#(<= ULTIMATE.start_main_~y~4 194), 150087#(<= ULTIMATE.start_main_~y~4 195), 150084#(<= ULTIMATE.start_main_~y~4 192), 150085#(<= ULTIMATE.start_main_~y~4 193), 150090#(<= ULTIMATE.start_main_~y~4 198), 150091#(<= ULTIMATE.start_main_~y~4 199), 150088#(<= ULTIMATE.start_main_~y~4 196), 150089#(<= ULTIMATE.start_main_~y~4 197), 150094#(<= ULTIMATE.start_main_~y~4 202), 150095#(<= ULTIMATE.start_main_~y~4 203), 150092#(<= ULTIMATE.start_main_~y~4 200), 150093#(<= ULTIMATE.start_main_~y~4 201), 150098#(<= ULTIMATE.start_main_~y~4 206), 150099#(<= ULTIMATE.start_main_~y~4 207), 150096#(<= ULTIMATE.start_main_~y~4 204), 150097#(<= ULTIMATE.start_main_~y~4 205), 150102#(<= ULTIMATE.start_main_~y~4 210), 150103#(<= ULTIMATE.start_main_~y~4 211), 150100#(<= ULTIMATE.start_main_~y~4 208), 150101#(<= ULTIMATE.start_main_~y~4 209), 150106#(<= ULTIMATE.start_main_~y~4 214), 150107#(<= ULTIMATE.start_main_~y~4 215), 150104#(<= ULTIMATE.start_main_~y~4 212), 150105#(<= ULTIMATE.start_main_~y~4 213), 150110#(<= ULTIMATE.start_main_~y~4 218), 150111#(<= ULTIMATE.start_main_~y~4 219), 150108#(<= ULTIMATE.start_main_~y~4 216), 150109#(<= ULTIMATE.start_main_~y~4 217), 150114#(<= ULTIMATE.start_main_~y~4 222), 150115#(<= ULTIMATE.start_main_~y~4 223), 150112#(<= ULTIMATE.start_main_~y~4 220), 150113#(<= ULTIMATE.start_main_~y~4 221), 150118#(<= ULTIMATE.start_main_~y~4 226), 150119#(<= ULTIMATE.start_main_~y~4 227), 150116#(<= ULTIMATE.start_main_~y~4 224), 150117#(<= ULTIMATE.start_main_~y~4 225), 150122#(<= ULTIMATE.start_main_~y~4 230), 150123#(<= ULTIMATE.start_main_~y~4 231), 150120#(<= ULTIMATE.start_main_~y~4 228), 150121#(<= ULTIMATE.start_main_~y~4 229), 150126#(<= ULTIMATE.start_main_~y~4 234), 150127#(<= ULTIMATE.start_main_~y~4 235), 150124#(<= ULTIMATE.start_main_~y~4 232), 150125#(<= ULTIMATE.start_main_~y~4 233), 150130#(<= ULTIMATE.start_main_~y~4 238), 150131#(<= ULTIMATE.start_main_~y~4 239), 150128#(<= ULTIMATE.start_main_~y~4 236), 150129#(<= ULTIMATE.start_main_~y~4 237), 150132#(<= ULTIMATE.start_main_~y~4 240), 149890#true, 149891#false, 149894#(<= ULTIMATE.start_main_~y~4 2), 149895#(<= ULTIMATE.start_main_~y~4 3), 149892#(<= ULTIMATE.start_main_~y~4 0), 149893#(<= ULTIMATE.start_main_~y~4 1), 149898#(<= ULTIMATE.start_main_~y~4 6), 149899#(<= ULTIMATE.start_main_~y~4 7), 149896#(<= ULTIMATE.start_main_~y~4 4), 149897#(<= ULTIMATE.start_main_~y~4 5), 149902#(<= ULTIMATE.start_main_~y~4 10), 149903#(<= ULTIMATE.start_main_~y~4 11), 149900#(<= ULTIMATE.start_main_~y~4 8), 149901#(<= ULTIMATE.start_main_~y~4 9), 149906#(<= ULTIMATE.start_main_~y~4 14), 149907#(<= ULTIMATE.start_main_~y~4 15), 149904#(<= ULTIMATE.start_main_~y~4 12), 149905#(<= ULTIMATE.start_main_~y~4 13), 149910#(<= ULTIMATE.start_main_~y~4 18), 149911#(<= ULTIMATE.start_main_~y~4 19), 149908#(<= ULTIMATE.start_main_~y~4 16), 149909#(<= ULTIMATE.start_main_~y~4 17), 149914#(<= ULTIMATE.start_main_~y~4 22), 149915#(<= ULTIMATE.start_main_~y~4 23), 149912#(<= ULTIMATE.start_main_~y~4 20), 149913#(<= ULTIMATE.start_main_~y~4 21), 149918#(<= ULTIMATE.start_main_~y~4 26), 149919#(<= ULTIMATE.start_main_~y~4 27), 149916#(<= ULTIMATE.start_main_~y~4 24), 149917#(<= ULTIMATE.start_main_~y~4 25), 149922#(<= ULTIMATE.start_main_~y~4 30), 149923#(<= ULTIMATE.start_main_~y~4 31), 149920#(<= ULTIMATE.start_main_~y~4 28), 149921#(<= ULTIMATE.start_main_~y~4 29), 149926#(<= ULTIMATE.start_main_~y~4 34), 149927#(<= ULTIMATE.start_main_~y~4 35), 149924#(<= ULTIMATE.start_main_~y~4 32), 149925#(<= ULTIMATE.start_main_~y~4 33), 149930#(<= ULTIMATE.start_main_~y~4 38), 149931#(<= ULTIMATE.start_main_~y~4 39), 149928#(<= ULTIMATE.start_main_~y~4 36), 149929#(<= ULTIMATE.start_main_~y~4 37), 149934#(<= ULTIMATE.start_main_~y~4 42), 149935#(<= ULTIMATE.start_main_~y~4 43), 149932#(<= ULTIMATE.start_main_~y~4 40), 149933#(<= ULTIMATE.start_main_~y~4 41), 149938#(<= ULTIMATE.start_main_~y~4 46), 149939#(<= ULTIMATE.start_main_~y~4 47), 149936#(<= ULTIMATE.start_main_~y~4 44), 149937#(<= ULTIMATE.start_main_~y~4 45), 149942#(<= ULTIMATE.start_main_~y~4 50), 149943#(<= ULTIMATE.start_main_~y~4 51), 149940#(<= ULTIMATE.start_main_~y~4 48), 149941#(<= ULTIMATE.start_main_~y~4 49), 149946#(<= ULTIMATE.start_main_~y~4 54), 149947#(<= ULTIMATE.start_main_~y~4 55), 149944#(<= ULTIMATE.start_main_~y~4 52), 149945#(<= ULTIMATE.start_main_~y~4 53), 149950#(<= ULTIMATE.start_main_~y~4 58), 149951#(<= ULTIMATE.start_main_~y~4 59), 149948#(<= ULTIMATE.start_main_~y~4 56), 149949#(<= ULTIMATE.start_main_~y~4 57), 149954#(<= ULTIMATE.start_main_~y~4 62), 149955#(<= ULTIMATE.start_main_~y~4 63), 149952#(<= ULTIMATE.start_main_~y~4 60), 149953#(<= ULTIMATE.start_main_~y~4 61), 149958#(<= ULTIMATE.start_main_~y~4 66), 149959#(<= ULTIMATE.start_main_~y~4 67), 149956#(<= ULTIMATE.start_main_~y~4 64), 149957#(<= ULTIMATE.start_main_~y~4 65), 149962#(<= ULTIMATE.start_main_~y~4 70), 149963#(<= ULTIMATE.start_main_~y~4 71), 149960#(<= ULTIMATE.start_main_~y~4 68), 149961#(<= ULTIMATE.start_main_~y~4 69), 149966#(<= ULTIMATE.start_main_~y~4 74), 149967#(<= ULTIMATE.start_main_~y~4 75), 149964#(<= ULTIMATE.start_main_~y~4 72), 149965#(<= ULTIMATE.start_main_~y~4 73), 149970#(<= ULTIMATE.start_main_~y~4 78), 149971#(<= ULTIMATE.start_main_~y~4 79), 149968#(<= ULTIMATE.start_main_~y~4 76), 149969#(<= ULTIMATE.start_main_~y~4 77), 149974#(<= ULTIMATE.start_main_~y~4 82), 149975#(<= ULTIMATE.start_main_~y~4 83), 149972#(<= ULTIMATE.start_main_~y~4 80), 149973#(<= ULTIMATE.start_main_~y~4 81), 149978#(<= ULTIMATE.start_main_~y~4 86), 149979#(<= ULTIMATE.start_main_~y~4 87), 149976#(<= ULTIMATE.start_main_~y~4 84), 149977#(<= ULTIMATE.start_main_~y~4 85), 149982#(<= ULTIMATE.start_main_~y~4 90), 149983#(<= ULTIMATE.start_main_~y~4 91), 149980#(<= ULTIMATE.start_main_~y~4 88), 149981#(<= ULTIMATE.start_main_~y~4 89), 149986#(<= ULTIMATE.start_main_~y~4 94), 149987#(<= ULTIMATE.start_main_~y~4 95), 149984#(<= ULTIMATE.start_main_~y~4 92), 149985#(<= ULTIMATE.start_main_~y~4 93), 149990#(<= ULTIMATE.start_main_~y~4 98), 149991#(<= ULTIMATE.start_main_~y~4 99), 149988#(<= ULTIMATE.start_main_~y~4 96), 149989#(<= ULTIMATE.start_main_~y~4 97), 149994#(<= ULTIMATE.start_main_~y~4 102), 149995#(<= ULTIMATE.start_main_~y~4 103), 149992#(<= ULTIMATE.start_main_~y~4 100), 149993#(<= ULTIMATE.start_main_~y~4 101), 149998#(<= ULTIMATE.start_main_~y~4 106), 149999#(<= ULTIMATE.start_main_~y~4 107), 149996#(<= ULTIMATE.start_main_~y~4 104), 149997#(<= ULTIMATE.start_main_~y~4 105), 150002#(<= ULTIMATE.start_main_~y~4 110), 150003#(<= ULTIMATE.start_main_~y~4 111), 150000#(<= ULTIMATE.start_main_~y~4 108), 150001#(<= ULTIMATE.start_main_~y~4 109), 150006#(<= ULTIMATE.start_main_~y~4 114), 150007#(<= ULTIMATE.start_main_~y~4 115), 150004#(<= ULTIMATE.start_main_~y~4 112), 150005#(<= ULTIMATE.start_main_~y~4 113), 150010#(<= ULTIMATE.start_main_~y~4 118), 150011#(<= ULTIMATE.start_main_~y~4 119), 150008#(<= ULTIMATE.start_main_~y~4 116), 150009#(<= ULTIMATE.start_main_~y~4 117), 150014#(<= ULTIMATE.start_main_~y~4 122), 150015#(<= ULTIMATE.start_main_~y~4 123), 150012#(<= ULTIMATE.start_main_~y~4 120), 150013#(<= ULTIMATE.start_main_~y~4 121)] [2018-07-23 13:41:04,259 INFO L134 CoverageAnalysis]: Checked inductivity of 28920 backedges. 0 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,259 INFO L450 AbstractCegarLoop]: Interpolant automaton has 243 states [2018-07-23 13:41:04,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 243 interpolants. [2018-07-23 13:41:04,267 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29403, Invalid=29403, Unknown=0, NotChecked=0, Total=58806 [2018-07-23 13:41:04,268 INFO L87 Difference]: Start difference. First operand 244 states and 244 transitions. Second operand 243 states. [2018-07-23 13:41:04,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,906 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:41:04,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2018-07-23 13:41:04,906 INFO L78 Accepts]: Start accepts. Automaton has 243 states. Word has length 243 [2018-07-23 13:41:04,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,907 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:41:04,907 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:41:04,909 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 241 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=29403, Invalid=29403, Unknown=0, NotChecked=0, Total=58806 [2018-07-23 13:41:04,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:41:04,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:41:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:41:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:41:04,912 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 243 [2018-07-23 13:41:04,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,912 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:41:04,912 INFO L472 AbstractCegarLoop]: Interpolant automaton has 243 states. [2018-07-23 13:41:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:41:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:41:04,913 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,913 INFO L357 BasicCegarLoop]: trace histogram [241, 1, 1, 1] [2018-07-23 13:41:04,913 INFO L414 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,913 INFO L82 PathProgramCache]: Analyzing trace with hash -181925012, now seen corresponding path program 241 times [2018-07-23 13:41:04,913 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 29161 backedges. 0 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,395 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:06,395 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [243] total 243 [2018-07-23 13:41:06,395 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,396 INFO L185 omatonBuilderFactory]: Interpolants [151118#false, 151119#(<= ULTIMATE.start_main_~y~4 0), 151117#true, 151122#(<= ULTIMATE.start_main_~y~4 3), 151123#(<= ULTIMATE.start_main_~y~4 4), 151120#(<= ULTIMATE.start_main_~y~4 1), 151121#(<= ULTIMATE.start_main_~y~4 2), 151126#(<= ULTIMATE.start_main_~y~4 7), 151127#(<= ULTIMATE.start_main_~y~4 8), 151124#(<= ULTIMATE.start_main_~y~4 5), 151125#(<= ULTIMATE.start_main_~y~4 6), 151130#(<= ULTIMATE.start_main_~y~4 11), 151131#(<= ULTIMATE.start_main_~y~4 12), 151128#(<= ULTIMATE.start_main_~y~4 9), 151129#(<= ULTIMATE.start_main_~y~4 10), 151134#(<= ULTIMATE.start_main_~y~4 15), 151135#(<= ULTIMATE.start_main_~y~4 16), 151132#(<= ULTIMATE.start_main_~y~4 13), 151133#(<= ULTIMATE.start_main_~y~4 14), 151138#(<= ULTIMATE.start_main_~y~4 19), 151139#(<= ULTIMATE.start_main_~y~4 20), 151136#(<= ULTIMATE.start_main_~y~4 17), 151137#(<= ULTIMATE.start_main_~y~4 18), 151142#(<= ULTIMATE.start_main_~y~4 23), 151143#(<= ULTIMATE.start_main_~y~4 24), 151140#(<= ULTIMATE.start_main_~y~4 21), 151141#(<= ULTIMATE.start_main_~y~4 22), 151146#(<= ULTIMATE.start_main_~y~4 27), 151147#(<= ULTIMATE.start_main_~y~4 28), 151144#(<= ULTIMATE.start_main_~y~4 25), 151145#(<= ULTIMATE.start_main_~y~4 26), 151150#(<= ULTIMATE.start_main_~y~4 31), 151151#(<= ULTIMATE.start_main_~y~4 32), 151148#(<= ULTIMATE.start_main_~y~4 29), 151149#(<= ULTIMATE.start_main_~y~4 30), 151154#(<= ULTIMATE.start_main_~y~4 35), 151155#(<= ULTIMATE.start_main_~y~4 36), 151152#(<= ULTIMATE.start_main_~y~4 33), 151153#(<= ULTIMATE.start_main_~y~4 34), 151158#(<= ULTIMATE.start_main_~y~4 39), 151159#(<= ULTIMATE.start_main_~y~4 40), 151156#(<= ULTIMATE.start_main_~y~4 37), 151157#(<= ULTIMATE.start_main_~y~4 38), 151162#(<= ULTIMATE.start_main_~y~4 43), 151163#(<= ULTIMATE.start_main_~y~4 44), 151160#(<= ULTIMATE.start_main_~y~4 41), 151161#(<= ULTIMATE.start_main_~y~4 42), 151166#(<= ULTIMATE.start_main_~y~4 47), 151167#(<= ULTIMATE.start_main_~y~4 48), 151164#(<= ULTIMATE.start_main_~y~4 45), 151165#(<= ULTIMATE.start_main_~y~4 46), 151170#(<= ULTIMATE.start_main_~y~4 51), 151171#(<= ULTIMATE.start_main_~y~4 52), 151168#(<= ULTIMATE.start_main_~y~4 49), 151169#(<= ULTIMATE.start_main_~y~4 50), 151174#(<= ULTIMATE.start_main_~y~4 55), 151175#(<= ULTIMATE.start_main_~y~4 56), 151172#(<= ULTIMATE.start_main_~y~4 53), 151173#(<= ULTIMATE.start_main_~y~4 54), 151178#(<= ULTIMATE.start_main_~y~4 59), 151179#(<= ULTIMATE.start_main_~y~4 60), 151176#(<= ULTIMATE.start_main_~y~4 57), 151177#(<= ULTIMATE.start_main_~y~4 58), 151182#(<= ULTIMATE.start_main_~y~4 63), 151183#(<= ULTIMATE.start_main_~y~4 64), 151180#(<= ULTIMATE.start_main_~y~4 61), 151181#(<= ULTIMATE.start_main_~y~4 62), 151186#(<= ULTIMATE.start_main_~y~4 67), 151187#(<= ULTIMATE.start_main_~y~4 68), 151184#(<= ULTIMATE.start_main_~y~4 65), 151185#(<= ULTIMATE.start_main_~y~4 66), 151190#(<= ULTIMATE.start_main_~y~4 71), 151191#(<= ULTIMATE.start_main_~y~4 72), 151188#(<= ULTIMATE.start_main_~y~4 69), 151189#(<= ULTIMATE.start_main_~y~4 70), 151194#(<= ULTIMATE.start_main_~y~4 75), 151195#(<= ULTIMATE.start_main_~y~4 76), 151192#(<= ULTIMATE.start_main_~y~4 73), 151193#(<= ULTIMATE.start_main_~y~4 74), 151198#(<= ULTIMATE.start_main_~y~4 79), 151199#(<= ULTIMATE.start_main_~y~4 80), 151196#(<= ULTIMATE.start_main_~y~4 77), 151197#(<= ULTIMATE.start_main_~y~4 78), 151202#(<= ULTIMATE.start_main_~y~4 83), 151203#(<= ULTIMATE.start_main_~y~4 84), 151200#(<= ULTIMATE.start_main_~y~4 81), 151201#(<= ULTIMATE.start_main_~y~4 82), 151206#(<= ULTIMATE.start_main_~y~4 87), 151207#(<= ULTIMATE.start_main_~y~4 88), 151204#(<= ULTIMATE.start_main_~y~4 85), 151205#(<= ULTIMATE.start_main_~y~4 86), 151210#(<= ULTIMATE.start_main_~y~4 91), 151211#(<= ULTIMATE.start_main_~y~4 92), 151208#(<= ULTIMATE.start_main_~y~4 89), 151209#(<= ULTIMATE.start_main_~y~4 90), 151214#(<= ULTIMATE.start_main_~y~4 95), 151215#(<= ULTIMATE.start_main_~y~4 96), 151212#(<= ULTIMATE.start_main_~y~4 93), 151213#(<= ULTIMATE.start_main_~y~4 94), 151218#(<= ULTIMATE.start_main_~y~4 99), 151219#(<= ULTIMATE.start_main_~y~4 100), 151216#(<= ULTIMATE.start_main_~y~4 97), 151217#(<= ULTIMATE.start_main_~y~4 98), 151222#(<= ULTIMATE.start_main_~y~4 103), 151223#(<= ULTIMATE.start_main_~y~4 104), 151220#(<= ULTIMATE.start_main_~y~4 101), 151221#(<= ULTIMATE.start_main_~y~4 102), 151226#(<= ULTIMATE.start_main_~y~4 107), 151227#(<= ULTIMATE.start_main_~y~4 108), 151224#(<= ULTIMATE.start_main_~y~4 105), 151225#(<= ULTIMATE.start_main_~y~4 106), 151230#(<= ULTIMATE.start_main_~y~4 111), 151231#(<= ULTIMATE.start_main_~y~4 112), 151228#(<= ULTIMATE.start_main_~y~4 109), 151229#(<= ULTIMATE.start_main_~y~4 110), 151234#(<= ULTIMATE.start_main_~y~4 115), 151235#(<= ULTIMATE.start_main_~y~4 116), 151232#(<= ULTIMATE.start_main_~y~4 113), 151233#(<= ULTIMATE.start_main_~y~4 114), 151238#(<= ULTIMATE.start_main_~y~4 119), 151239#(<= ULTIMATE.start_main_~y~4 120), 151236#(<= ULTIMATE.start_main_~y~4 117), 151237#(<= ULTIMATE.start_main_~y~4 118), 151242#(<= ULTIMATE.start_main_~y~4 123), 151243#(<= ULTIMATE.start_main_~y~4 124), 151240#(<= ULTIMATE.start_main_~y~4 121), 151241#(<= ULTIMATE.start_main_~y~4 122), 151246#(<= ULTIMATE.start_main_~y~4 127), 151247#(<= ULTIMATE.start_main_~y~4 128), 151244#(<= ULTIMATE.start_main_~y~4 125), 151245#(<= ULTIMATE.start_main_~y~4 126), 151250#(<= ULTIMATE.start_main_~y~4 131), 151251#(<= ULTIMATE.start_main_~y~4 132), 151248#(<= ULTIMATE.start_main_~y~4 129), 151249#(<= ULTIMATE.start_main_~y~4 130), 151254#(<= ULTIMATE.start_main_~y~4 135), 151255#(<= ULTIMATE.start_main_~y~4 136), 151252#(<= ULTIMATE.start_main_~y~4 133), 151253#(<= ULTIMATE.start_main_~y~4 134), 151258#(<= ULTIMATE.start_main_~y~4 139), 151259#(<= ULTIMATE.start_main_~y~4 140), 151256#(<= ULTIMATE.start_main_~y~4 137), 151257#(<= ULTIMATE.start_main_~y~4 138), 151262#(<= ULTIMATE.start_main_~y~4 143), 151263#(<= ULTIMATE.start_main_~y~4 144), 151260#(<= ULTIMATE.start_main_~y~4 141), 151261#(<= ULTIMATE.start_main_~y~4 142), 151266#(<= ULTIMATE.start_main_~y~4 147), 151267#(<= ULTIMATE.start_main_~y~4 148), 151264#(<= ULTIMATE.start_main_~y~4 145), 151265#(<= ULTIMATE.start_main_~y~4 146), 151270#(<= ULTIMATE.start_main_~y~4 151), 151271#(<= ULTIMATE.start_main_~y~4 152), 151268#(<= ULTIMATE.start_main_~y~4 149), 151269#(<= ULTIMATE.start_main_~y~4 150), 151274#(<= ULTIMATE.start_main_~y~4 155), 151275#(<= ULTIMATE.start_main_~y~4 156), 151272#(<= ULTIMATE.start_main_~y~4 153), 151273#(<= ULTIMATE.start_main_~y~4 154), 151278#(<= ULTIMATE.start_main_~y~4 159), 151279#(<= ULTIMATE.start_main_~y~4 160), 151276#(<= ULTIMATE.start_main_~y~4 157), 151277#(<= ULTIMATE.start_main_~y~4 158), 151282#(<= ULTIMATE.start_main_~y~4 163), 151283#(<= ULTIMATE.start_main_~y~4 164), 151280#(<= ULTIMATE.start_main_~y~4 161), 151281#(<= ULTIMATE.start_main_~y~4 162), 151286#(<= ULTIMATE.start_main_~y~4 167), 151287#(<= ULTIMATE.start_main_~y~4 168), 151284#(<= ULTIMATE.start_main_~y~4 165), 151285#(<= ULTIMATE.start_main_~y~4 166), 151290#(<= ULTIMATE.start_main_~y~4 171), 151291#(<= ULTIMATE.start_main_~y~4 172), 151288#(<= ULTIMATE.start_main_~y~4 169), 151289#(<= ULTIMATE.start_main_~y~4 170), 151294#(<= ULTIMATE.start_main_~y~4 175), 151295#(<= ULTIMATE.start_main_~y~4 176), 151292#(<= ULTIMATE.start_main_~y~4 173), 151293#(<= ULTIMATE.start_main_~y~4 174), 151298#(<= ULTIMATE.start_main_~y~4 179), 151299#(<= ULTIMATE.start_main_~y~4 180), 151296#(<= ULTIMATE.start_main_~y~4 177), 151297#(<= ULTIMATE.start_main_~y~4 178), 151302#(<= ULTIMATE.start_main_~y~4 183), 151303#(<= ULTIMATE.start_main_~y~4 184), 151300#(<= ULTIMATE.start_main_~y~4 181), 151301#(<= ULTIMATE.start_main_~y~4 182), 151306#(<= ULTIMATE.start_main_~y~4 187), 151307#(<= ULTIMATE.start_main_~y~4 188), 151304#(<= ULTIMATE.start_main_~y~4 185), 151305#(<= ULTIMATE.start_main_~y~4 186), 151310#(<= ULTIMATE.start_main_~y~4 191), 151311#(<= ULTIMATE.start_main_~y~4 192), 151308#(<= ULTIMATE.start_main_~y~4 189), 151309#(<= ULTIMATE.start_main_~y~4 190), 151314#(<= ULTIMATE.start_main_~y~4 195), 151315#(<= ULTIMATE.start_main_~y~4 196), 151312#(<= ULTIMATE.start_main_~y~4 193), 151313#(<= ULTIMATE.start_main_~y~4 194), 151318#(<= ULTIMATE.start_main_~y~4 199), 151319#(<= ULTIMATE.start_main_~y~4 200), 151316#(<= ULTIMATE.start_main_~y~4 197), 151317#(<= ULTIMATE.start_main_~y~4 198), 151322#(<= ULTIMATE.start_main_~y~4 203), 151323#(<= ULTIMATE.start_main_~y~4 204), 151320#(<= ULTIMATE.start_main_~y~4 201), 151321#(<= ULTIMATE.start_main_~y~4 202), 151326#(<= ULTIMATE.start_main_~y~4 207), 151327#(<= ULTIMATE.start_main_~y~4 208), 151324#(<= ULTIMATE.start_main_~y~4 205), 151325#(<= ULTIMATE.start_main_~y~4 206), 151330#(<= ULTIMATE.start_main_~y~4 211), 151331#(<= ULTIMATE.start_main_~y~4 212), 151328#(<= ULTIMATE.start_main_~y~4 209), 151329#(<= ULTIMATE.start_main_~y~4 210), 151334#(<= ULTIMATE.start_main_~y~4 215), 151335#(<= ULTIMATE.start_main_~y~4 216), 151332#(<= ULTIMATE.start_main_~y~4 213), 151333#(<= ULTIMATE.start_main_~y~4 214), 151338#(<= ULTIMATE.start_main_~y~4 219), 151339#(<= ULTIMATE.start_main_~y~4 220), 151336#(<= ULTIMATE.start_main_~y~4 217), 151337#(<= ULTIMATE.start_main_~y~4 218), 151342#(<= ULTIMATE.start_main_~y~4 223), 151343#(<= ULTIMATE.start_main_~y~4 224), 151340#(<= ULTIMATE.start_main_~y~4 221), 151341#(<= ULTIMATE.start_main_~y~4 222), 151346#(<= ULTIMATE.start_main_~y~4 227), 151347#(<= ULTIMATE.start_main_~y~4 228), 151344#(<= ULTIMATE.start_main_~y~4 225), 151345#(<= ULTIMATE.start_main_~y~4 226), 151350#(<= ULTIMATE.start_main_~y~4 231), 151351#(<= ULTIMATE.start_main_~y~4 232), 151348#(<= ULTIMATE.start_main_~y~4 229), 151349#(<= ULTIMATE.start_main_~y~4 230), 151354#(<= ULTIMATE.start_main_~y~4 235), 151355#(<= ULTIMATE.start_main_~y~4 236), 151352#(<= ULTIMATE.start_main_~y~4 233), 151353#(<= ULTIMATE.start_main_~y~4 234), 151358#(<= ULTIMATE.start_main_~y~4 239), 151359#(<= ULTIMATE.start_main_~y~4 240), 151356#(<= ULTIMATE.start_main_~y~4 237), 151357#(<= ULTIMATE.start_main_~y~4 238), 151360#(<= ULTIMATE.start_main_~y~4 241)] [2018-07-23 13:41:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 29161 backedges. 0 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,397 INFO L450 AbstractCegarLoop]: Interpolant automaton has 244 states [2018-07-23 13:41:06,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 244 interpolants. [2018-07-23 13:41:06,404 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29646, Invalid=29646, Unknown=0, NotChecked=0, Total=59292 [2018-07-23 13:41:06,404 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 244 states. [2018-07-23 13:41:08,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:08,663 INFO L93 Difference]: Finished difference Result 248 states and 248 transitions. [2018-07-23 13:41:08,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2018-07-23 13:41:08,663 INFO L78 Accepts]: Start accepts. Automaton has 244 states. Word has length 244 [2018-07-23 13:41:08,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:08,663 INFO L225 Difference]: With dead ends: 248 [2018-07-23 13:41:08,663 INFO L226 Difference]: Without dead ends: 246 [2018-07-23 13:41:08,666 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=29646, Invalid=29646, Unknown=0, NotChecked=0, Total=59292 [2018-07-23 13:41:08,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-07-23 13:41:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2018-07-23 13:41:08,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-07-23 13:41:08,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 246 transitions. [2018-07-23 13:41:08,670 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 246 transitions. Word has length 244 [2018-07-23 13:41:08,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:08,670 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 246 transitions. [2018-07-23 13:41:08,670 INFO L472 AbstractCegarLoop]: Interpolant automaton has 244 states. [2018-07-23 13:41:08,670 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 246 transitions. [2018-07-23 13:41:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-07-23 13:41:08,671 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:08,671 INFO L357 BasicCegarLoop]: trace histogram [242, 1, 1, 1] [2018-07-23 13:41:08,671 INFO L414 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:08,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1344706269, now seen corresponding path program 242 times [2018-07-23 13:41:08,671 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 29403 backedges. 0 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,190 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:10,190 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [244] total 244 [2018-07-23 13:41:10,190 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,190 INFO L185 omatonBuilderFactory]: Interpolants [152578#(<= ULTIMATE.start_main_~y~4 227), 152579#(<= ULTIMATE.start_main_~y~4 228), 152576#(<= ULTIMATE.start_main_~y~4 225), 152577#(<= ULTIMATE.start_main_~y~4 226), 152582#(<= ULTIMATE.start_main_~y~4 231), 152583#(<= ULTIMATE.start_main_~y~4 232), 152580#(<= ULTIMATE.start_main_~y~4 229), 152581#(<= ULTIMATE.start_main_~y~4 230), 152586#(<= ULTIMATE.start_main_~y~4 235), 152587#(<= ULTIMATE.start_main_~y~4 236), 152584#(<= ULTIMATE.start_main_~y~4 233), 152585#(<= ULTIMATE.start_main_~y~4 234), 152590#(<= ULTIMATE.start_main_~y~4 239), 152591#(<= ULTIMATE.start_main_~y~4 240), 152588#(<= ULTIMATE.start_main_~y~4 237), 152589#(<= ULTIMATE.start_main_~y~4 238), 152592#(<= ULTIMATE.start_main_~y~4 241), 152593#(<= ULTIMATE.start_main_~y~4 242), 152350#false, 152351#(<= ULTIMATE.start_main_~y~4 0), 152349#true, 152354#(<= ULTIMATE.start_main_~y~4 3), 152355#(<= ULTIMATE.start_main_~y~4 4), 152352#(<= ULTIMATE.start_main_~y~4 1), 152353#(<= ULTIMATE.start_main_~y~4 2), 152358#(<= ULTIMATE.start_main_~y~4 7), 152359#(<= ULTIMATE.start_main_~y~4 8), 152356#(<= ULTIMATE.start_main_~y~4 5), 152357#(<= ULTIMATE.start_main_~y~4 6), 152362#(<= ULTIMATE.start_main_~y~4 11), 152363#(<= ULTIMATE.start_main_~y~4 12), 152360#(<= ULTIMATE.start_main_~y~4 9), 152361#(<= ULTIMATE.start_main_~y~4 10), 152366#(<= ULTIMATE.start_main_~y~4 15), 152367#(<= ULTIMATE.start_main_~y~4 16), 152364#(<= ULTIMATE.start_main_~y~4 13), 152365#(<= ULTIMATE.start_main_~y~4 14), 152370#(<= ULTIMATE.start_main_~y~4 19), 152371#(<= ULTIMATE.start_main_~y~4 20), 152368#(<= ULTIMATE.start_main_~y~4 17), 152369#(<= ULTIMATE.start_main_~y~4 18), 152374#(<= ULTIMATE.start_main_~y~4 23), 152375#(<= ULTIMATE.start_main_~y~4 24), 152372#(<= ULTIMATE.start_main_~y~4 21), 152373#(<= ULTIMATE.start_main_~y~4 22), 152378#(<= ULTIMATE.start_main_~y~4 27), 152379#(<= ULTIMATE.start_main_~y~4 28), 152376#(<= ULTIMATE.start_main_~y~4 25), 152377#(<= ULTIMATE.start_main_~y~4 26), 152382#(<= ULTIMATE.start_main_~y~4 31), 152383#(<= ULTIMATE.start_main_~y~4 32), 152380#(<= ULTIMATE.start_main_~y~4 29), 152381#(<= ULTIMATE.start_main_~y~4 30), 152386#(<= ULTIMATE.start_main_~y~4 35), 152387#(<= ULTIMATE.start_main_~y~4 36), 152384#(<= ULTIMATE.start_main_~y~4 33), 152385#(<= ULTIMATE.start_main_~y~4 34), 152390#(<= ULTIMATE.start_main_~y~4 39), 152391#(<= ULTIMATE.start_main_~y~4 40), 152388#(<= ULTIMATE.start_main_~y~4 37), 152389#(<= ULTIMATE.start_main_~y~4 38), 152394#(<= ULTIMATE.start_main_~y~4 43), 152395#(<= ULTIMATE.start_main_~y~4 44), 152392#(<= ULTIMATE.start_main_~y~4 41), 152393#(<= ULTIMATE.start_main_~y~4 42), 152398#(<= ULTIMATE.start_main_~y~4 47), 152399#(<= ULTIMATE.start_main_~y~4 48), 152396#(<= ULTIMATE.start_main_~y~4 45), 152397#(<= ULTIMATE.start_main_~y~4 46), 152402#(<= ULTIMATE.start_main_~y~4 51), 152403#(<= ULTIMATE.start_main_~y~4 52), 152400#(<= ULTIMATE.start_main_~y~4 49), 152401#(<= ULTIMATE.start_main_~y~4 50), 152406#(<= ULTIMATE.start_main_~y~4 55), 152407#(<= ULTIMATE.start_main_~y~4 56), 152404#(<= ULTIMATE.start_main_~y~4 53), 152405#(<= ULTIMATE.start_main_~y~4 54), 152410#(<= ULTIMATE.start_main_~y~4 59), 152411#(<= ULTIMATE.start_main_~y~4 60), 152408#(<= ULTIMATE.start_main_~y~4 57), 152409#(<= ULTIMATE.start_main_~y~4 58), 152414#(<= ULTIMATE.start_main_~y~4 63), 152415#(<= ULTIMATE.start_main_~y~4 64), 152412#(<= ULTIMATE.start_main_~y~4 61), 152413#(<= ULTIMATE.start_main_~y~4 62), 152418#(<= ULTIMATE.start_main_~y~4 67), 152419#(<= ULTIMATE.start_main_~y~4 68), 152416#(<= ULTIMATE.start_main_~y~4 65), 152417#(<= ULTIMATE.start_main_~y~4 66), 152422#(<= ULTIMATE.start_main_~y~4 71), 152423#(<= ULTIMATE.start_main_~y~4 72), 152420#(<= ULTIMATE.start_main_~y~4 69), 152421#(<= ULTIMATE.start_main_~y~4 70), 152426#(<= ULTIMATE.start_main_~y~4 75), 152427#(<= ULTIMATE.start_main_~y~4 76), 152424#(<= ULTIMATE.start_main_~y~4 73), 152425#(<= ULTIMATE.start_main_~y~4 74), 152430#(<= ULTIMATE.start_main_~y~4 79), 152431#(<= ULTIMATE.start_main_~y~4 80), 152428#(<= ULTIMATE.start_main_~y~4 77), 152429#(<= ULTIMATE.start_main_~y~4 78), 152434#(<= ULTIMATE.start_main_~y~4 83), 152435#(<= ULTIMATE.start_main_~y~4 84), 152432#(<= ULTIMATE.start_main_~y~4 81), 152433#(<= ULTIMATE.start_main_~y~4 82), 152438#(<= ULTIMATE.start_main_~y~4 87), 152439#(<= ULTIMATE.start_main_~y~4 88), 152436#(<= ULTIMATE.start_main_~y~4 85), 152437#(<= ULTIMATE.start_main_~y~4 86), 152442#(<= ULTIMATE.start_main_~y~4 91), 152443#(<= ULTIMATE.start_main_~y~4 92), 152440#(<= ULTIMATE.start_main_~y~4 89), 152441#(<= ULTIMATE.start_main_~y~4 90), 152446#(<= ULTIMATE.start_main_~y~4 95), 152447#(<= ULTIMATE.start_main_~y~4 96), 152444#(<= ULTIMATE.start_main_~y~4 93), 152445#(<= ULTIMATE.start_main_~y~4 94), 152450#(<= ULTIMATE.start_main_~y~4 99), 152451#(<= ULTIMATE.start_main_~y~4 100), 152448#(<= ULTIMATE.start_main_~y~4 97), 152449#(<= ULTIMATE.start_main_~y~4 98), 152454#(<= ULTIMATE.start_main_~y~4 103), 152455#(<= ULTIMATE.start_main_~y~4 104), 152452#(<= ULTIMATE.start_main_~y~4 101), 152453#(<= ULTIMATE.start_main_~y~4 102), 152458#(<= ULTIMATE.start_main_~y~4 107), 152459#(<= ULTIMATE.start_main_~y~4 108), 152456#(<= ULTIMATE.start_main_~y~4 105), 152457#(<= ULTIMATE.start_main_~y~4 106), 152462#(<= ULTIMATE.start_main_~y~4 111), 152463#(<= ULTIMATE.start_main_~y~4 112), 152460#(<= ULTIMATE.start_main_~y~4 109), 152461#(<= ULTIMATE.start_main_~y~4 110), 152466#(<= ULTIMATE.start_main_~y~4 115), 152467#(<= ULTIMATE.start_main_~y~4 116), 152464#(<= ULTIMATE.start_main_~y~4 113), 152465#(<= ULTIMATE.start_main_~y~4 114), 152470#(<= ULTIMATE.start_main_~y~4 119), 152471#(<= ULTIMATE.start_main_~y~4 120), 152468#(<= ULTIMATE.start_main_~y~4 117), 152469#(<= ULTIMATE.start_main_~y~4 118), 152474#(<= ULTIMATE.start_main_~y~4 123), 152475#(<= ULTIMATE.start_main_~y~4 124), 152472#(<= ULTIMATE.start_main_~y~4 121), 152473#(<= ULTIMATE.start_main_~y~4 122), 152478#(<= ULTIMATE.start_main_~y~4 127), 152479#(<= ULTIMATE.start_main_~y~4 128), 152476#(<= ULTIMATE.start_main_~y~4 125), 152477#(<= ULTIMATE.start_main_~y~4 126), 152482#(<= ULTIMATE.start_main_~y~4 131), 152483#(<= ULTIMATE.start_main_~y~4 132), 152480#(<= ULTIMATE.start_main_~y~4 129), 152481#(<= ULTIMATE.start_main_~y~4 130), 152486#(<= ULTIMATE.start_main_~y~4 135), 152487#(<= ULTIMATE.start_main_~y~4 136), 152484#(<= ULTIMATE.start_main_~y~4 133), 152485#(<= ULTIMATE.start_main_~y~4 134), 152490#(<= ULTIMATE.start_main_~y~4 139), 152491#(<= ULTIMATE.start_main_~y~4 140), 152488#(<= ULTIMATE.start_main_~y~4 137), 152489#(<= ULTIMATE.start_main_~y~4 138), 152494#(<= ULTIMATE.start_main_~y~4 143), 152495#(<= ULTIMATE.start_main_~y~4 144), 152492#(<= ULTIMATE.start_main_~y~4 141), 152493#(<= ULTIMATE.start_main_~y~4 142), 152498#(<= ULTIMATE.start_main_~y~4 147), 152499#(<= ULTIMATE.start_main_~y~4 148), 152496#(<= ULTIMATE.start_main_~y~4 145), 152497#(<= ULTIMATE.start_main_~y~4 146), 152502#(<= ULTIMATE.start_main_~y~4 151), 152503#(<= ULTIMATE.start_main_~y~4 152), 152500#(<= ULTIMATE.start_main_~y~4 149), 152501#(<= ULTIMATE.start_main_~y~4 150), 152506#(<= ULTIMATE.start_main_~y~4 155), 152507#(<= ULTIMATE.start_main_~y~4 156), 152504#(<= ULTIMATE.start_main_~y~4 153), 152505#(<= ULTIMATE.start_main_~y~4 154), 152510#(<= ULTIMATE.start_main_~y~4 159), 152511#(<= ULTIMATE.start_main_~y~4 160), 152508#(<= ULTIMATE.start_main_~y~4 157), 152509#(<= ULTIMATE.start_main_~y~4 158), 152514#(<= ULTIMATE.start_main_~y~4 163), 152515#(<= ULTIMATE.start_main_~y~4 164), 152512#(<= ULTIMATE.start_main_~y~4 161), 152513#(<= ULTIMATE.start_main_~y~4 162), 152518#(<= ULTIMATE.start_main_~y~4 167), 152519#(<= ULTIMATE.start_main_~y~4 168), 152516#(<= ULTIMATE.start_main_~y~4 165), 152517#(<= ULTIMATE.start_main_~y~4 166), 152522#(<= ULTIMATE.start_main_~y~4 171), 152523#(<= ULTIMATE.start_main_~y~4 172), 152520#(<= ULTIMATE.start_main_~y~4 169), 152521#(<= ULTIMATE.start_main_~y~4 170), 152526#(<= ULTIMATE.start_main_~y~4 175), 152527#(<= ULTIMATE.start_main_~y~4 176), 152524#(<= ULTIMATE.start_main_~y~4 173), 152525#(<= ULTIMATE.start_main_~y~4 174), 152530#(<= ULTIMATE.start_main_~y~4 179), 152531#(<= ULTIMATE.start_main_~y~4 180), 152528#(<= ULTIMATE.start_main_~y~4 177), 152529#(<= ULTIMATE.start_main_~y~4 178), 152534#(<= ULTIMATE.start_main_~y~4 183), 152535#(<= ULTIMATE.start_main_~y~4 184), 152532#(<= ULTIMATE.start_main_~y~4 181), 152533#(<= ULTIMATE.start_main_~y~4 182), 152538#(<= ULTIMATE.start_main_~y~4 187), 152539#(<= ULTIMATE.start_main_~y~4 188), 152536#(<= ULTIMATE.start_main_~y~4 185), 152537#(<= ULTIMATE.start_main_~y~4 186), 152542#(<= ULTIMATE.start_main_~y~4 191), 152543#(<= ULTIMATE.start_main_~y~4 192), 152540#(<= ULTIMATE.start_main_~y~4 189), 152541#(<= ULTIMATE.start_main_~y~4 190), 152546#(<= ULTIMATE.start_main_~y~4 195), 152547#(<= ULTIMATE.start_main_~y~4 196), 152544#(<= ULTIMATE.start_main_~y~4 193), 152545#(<= ULTIMATE.start_main_~y~4 194), 152550#(<= ULTIMATE.start_main_~y~4 199), 152551#(<= ULTIMATE.start_main_~y~4 200), 152548#(<= ULTIMATE.start_main_~y~4 197), 152549#(<= ULTIMATE.start_main_~y~4 198), 152554#(<= ULTIMATE.start_main_~y~4 203), 152555#(<= ULTIMATE.start_main_~y~4 204), 152552#(<= ULTIMATE.start_main_~y~4 201), 152553#(<= ULTIMATE.start_main_~y~4 202), 152558#(<= ULTIMATE.start_main_~y~4 207), 152559#(<= ULTIMATE.start_main_~y~4 208), 152556#(<= ULTIMATE.start_main_~y~4 205), 152557#(<= ULTIMATE.start_main_~y~4 206), 152562#(<= ULTIMATE.start_main_~y~4 211), 152563#(<= ULTIMATE.start_main_~y~4 212), 152560#(<= ULTIMATE.start_main_~y~4 209), 152561#(<= ULTIMATE.start_main_~y~4 210), 152566#(<= ULTIMATE.start_main_~y~4 215), 152567#(<= ULTIMATE.start_main_~y~4 216), 152564#(<= ULTIMATE.start_main_~y~4 213), 152565#(<= ULTIMATE.start_main_~y~4 214), 152570#(<= ULTIMATE.start_main_~y~4 219), 152571#(<= ULTIMATE.start_main_~y~4 220), 152568#(<= ULTIMATE.start_main_~y~4 217), 152569#(<= ULTIMATE.start_main_~y~4 218), 152574#(<= ULTIMATE.start_main_~y~4 223), 152575#(<= ULTIMATE.start_main_~y~4 224), 152572#(<= ULTIMATE.start_main_~y~4 221), 152573#(<= ULTIMATE.start_main_~y~4 222)] [2018-07-23 13:41:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 29403 backedges. 0 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,192 INFO L450 AbstractCegarLoop]: Interpolant automaton has 245 states [2018-07-23 13:41:10,197 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 245 interpolants. [2018-07-23 13:41:10,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29890, Invalid=29890, Unknown=0, NotChecked=0, Total=59780 [2018-07-23 13:41:10,199 INFO L87 Difference]: Start difference. First operand 246 states and 246 transitions. Second operand 245 states. [2018-07-23 13:41:12,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:12,502 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:41:12,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2018-07-23 13:41:12,502 INFO L78 Accepts]: Start accepts. Automaton has 245 states. Word has length 245 [2018-07-23 13:41:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:12,503 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:41:12,503 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:41:12,506 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 243 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=29890, Invalid=29890, Unknown=0, NotChecked=0, Total=59780 [2018-07-23 13:41:12,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:41:12,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:41:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:41:12,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:41:12,510 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 245 [2018-07-23 13:41:12,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:12,510 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:41:12,510 INFO L472 AbstractCegarLoop]: Interpolant automaton has 245 states. [2018-07-23 13:41:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:41:12,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:41:12,511 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:12,511 INFO L357 BasicCegarLoop]: trace histogram [243, 1, 1, 1] [2018-07-23 13:41:12,511 INFO L414 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:12,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1263780428, now seen corresponding path program 243 times [2018-07-23 13:41:12,511 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 29646 backedges. 0 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,143 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:14,143 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [245] total 245 [2018-07-23 13:41:14,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,144 INFO L185 omatonBuilderFactory]: Interpolants [153602#(<= ULTIMATE.start_main_~y~4 14), 153603#(<= ULTIMATE.start_main_~y~4 15), 153600#(<= ULTIMATE.start_main_~y~4 12), 153601#(<= ULTIMATE.start_main_~y~4 13), 153606#(<= ULTIMATE.start_main_~y~4 18), 153607#(<= ULTIMATE.start_main_~y~4 19), 153604#(<= ULTIMATE.start_main_~y~4 16), 153605#(<= ULTIMATE.start_main_~y~4 17), 153610#(<= ULTIMATE.start_main_~y~4 22), 153611#(<= ULTIMATE.start_main_~y~4 23), 153608#(<= ULTIMATE.start_main_~y~4 20), 153609#(<= ULTIMATE.start_main_~y~4 21), 153614#(<= ULTIMATE.start_main_~y~4 26), 153615#(<= ULTIMATE.start_main_~y~4 27), 153612#(<= ULTIMATE.start_main_~y~4 24), 153613#(<= ULTIMATE.start_main_~y~4 25), 153618#(<= ULTIMATE.start_main_~y~4 30), 153619#(<= ULTIMATE.start_main_~y~4 31), 153616#(<= ULTIMATE.start_main_~y~4 28), 153617#(<= ULTIMATE.start_main_~y~4 29), 153622#(<= ULTIMATE.start_main_~y~4 34), 153623#(<= ULTIMATE.start_main_~y~4 35), 153620#(<= ULTIMATE.start_main_~y~4 32), 153621#(<= ULTIMATE.start_main_~y~4 33), 153626#(<= ULTIMATE.start_main_~y~4 38), 153627#(<= ULTIMATE.start_main_~y~4 39), 153624#(<= ULTIMATE.start_main_~y~4 36), 153625#(<= ULTIMATE.start_main_~y~4 37), 153630#(<= ULTIMATE.start_main_~y~4 42), 153631#(<= ULTIMATE.start_main_~y~4 43), 153628#(<= ULTIMATE.start_main_~y~4 40), 153629#(<= ULTIMATE.start_main_~y~4 41), 153634#(<= ULTIMATE.start_main_~y~4 46), 153635#(<= ULTIMATE.start_main_~y~4 47), 153632#(<= ULTIMATE.start_main_~y~4 44), 153633#(<= ULTIMATE.start_main_~y~4 45), 153638#(<= ULTIMATE.start_main_~y~4 50), 153639#(<= ULTIMATE.start_main_~y~4 51), 153636#(<= ULTIMATE.start_main_~y~4 48), 153637#(<= ULTIMATE.start_main_~y~4 49), 153642#(<= ULTIMATE.start_main_~y~4 54), 153643#(<= ULTIMATE.start_main_~y~4 55), 153640#(<= ULTIMATE.start_main_~y~4 52), 153641#(<= ULTIMATE.start_main_~y~4 53), 153646#(<= ULTIMATE.start_main_~y~4 58), 153647#(<= ULTIMATE.start_main_~y~4 59), 153644#(<= ULTIMATE.start_main_~y~4 56), 153645#(<= ULTIMATE.start_main_~y~4 57), 153650#(<= ULTIMATE.start_main_~y~4 62), 153651#(<= ULTIMATE.start_main_~y~4 63), 153648#(<= ULTIMATE.start_main_~y~4 60), 153649#(<= ULTIMATE.start_main_~y~4 61), 153654#(<= ULTIMATE.start_main_~y~4 66), 153655#(<= ULTIMATE.start_main_~y~4 67), 153652#(<= ULTIMATE.start_main_~y~4 64), 153653#(<= ULTIMATE.start_main_~y~4 65), 153658#(<= ULTIMATE.start_main_~y~4 70), 153659#(<= ULTIMATE.start_main_~y~4 71), 153656#(<= ULTIMATE.start_main_~y~4 68), 153657#(<= ULTIMATE.start_main_~y~4 69), 153662#(<= ULTIMATE.start_main_~y~4 74), 153663#(<= ULTIMATE.start_main_~y~4 75), 153660#(<= ULTIMATE.start_main_~y~4 72), 153661#(<= ULTIMATE.start_main_~y~4 73), 153666#(<= ULTIMATE.start_main_~y~4 78), 153667#(<= ULTIMATE.start_main_~y~4 79), 153664#(<= ULTIMATE.start_main_~y~4 76), 153665#(<= ULTIMATE.start_main_~y~4 77), 153670#(<= ULTIMATE.start_main_~y~4 82), 153671#(<= ULTIMATE.start_main_~y~4 83), 153668#(<= ULTIMATE.start_main_~y~4 80), 153669#(<= ULTIMATE.start_main_~y~4 81), 153674#(<= ULTIMATE.start_main_~y~4 86), 153675#(<= ULTIMATE.start_main_~y~4 87), 153672#(<= ULTIMATE.start_main_~y~4 84), 153673#(<= ULTIMATE.start_main_~y~4 85), 153678#(<= ULTIMATE.start_main_~y~4 90), 153679#(<= ULTIMATE.start_main_~y~4 91), 153676#(<= ULTIMATE.start_main_~y~4 88), 153677#(<= ULTIMATE.start_main_~y~4 89), 153682#(<= ULTIMATE.start_main_~y~4 94), 153683#(<= ULTIMATE.start_main_~y~4 95), 153680#(<= ULTIMATE.start_main_~y~4 92), 153681#(<= ULTIMATE.start_main_~y~4 93), 153686#(<= ULTIMATE.start_main_~y~4 98), 153687#(<= ULTIMATE.start_main_~y~4 99), 153684#(<= ULTIMATE.start_main_~y~4 96), 153685#(<= ULTIMATE.start_main_~y~4 97), 153690#(<= ULTIMATE.start_main_~y~4 102), 153691#(<= ULTIMATE.start_main_~y~4 103), 153688#(<= ULTIMATE.start_main_~y~4 100), 153689#(<= ULTIMATE.start_main_~y~4 101), 153694#(<= ULTIMATE.start_main_~y~4 106), 153695#(<= ULTIMATE.start_main_~y~4 107), 153692#(<= ULTIMATE.start_main_~y~4 104), 153693#(<= ULTIMATE.start_main_~y~4 105), 153698#(<= ULTIMATE.start_main_~y~4 110), 153699#(<= ULTIMATE.start_main_~y~4 111), 153696#(<= ULTIMATE.start_main_~y~4 108), 153697#(<= ULTIMATE.start_main_~y~4 109), 153702#(<= ULTIMATE.start_main_~y~4 114), 153703#(<= ULTIMATE.start_main_~y~4 115), 153700#(<= ULTIMATE.start_main_~y~4 112), 153701#(<= ULTIMATE.start_main_~y~4 113), 153706#(<= ULTIMATE.start_main_~y~4 118), 153707#(<= ULTIMATE.start_main_~y~4 119), 153704#(<= ULTIMATE.start_main_~y~4 116), 153705#(<= ULTIMATE.start_main_~y~4 117), 153710#(<= ULTIMATE.start_main_~y~4 122), 153711#(<= ULTIMATE.start_main_~y~4 123), 153708#(<= ULTIMATE.start_main_~y~4 120), 153709#(<= ULTIMATE.start_main_~y~4 121), 153714#(<= ULTIMATE.start_main_~y~4 126), 153715#(<= ULTIMATE.start_main_~y~4 127), 153712#(<= ULTIMATE.start_main_~y~4 124), 153713#(<= ULTIMATE.start_main_~y~4 125), 153718#(<= ULTIMATE.start_main_~y~4 130), 153719#(<= ULTIMATE.start_main_~y~4 131), 153716#(<= ULTIMATE.start_main_~y~4 128), 153717#(<= ULTIMATE.start_main_~y~4 129), 153722#(<= ULTIMATE.start_main_~y~4 134), 153723#(<= ULTIMATE.start_main_~y~4 135), 153720#(<= ULTIMATE.start_main_~y~4 132), 153721#(<= ULTIMATE.start_main_~y~4 133), 153726#(<= ULTIMATE.start_main_~y~4 138), 153727#(<= ULTIMATE.start_main_~y~4 139), 153724#(<= ULTIMATE.start_main_~y~4 136), 153725#(<= ULTIMATE.start_main_~y~4 137), 153730#(<= ULTIMATE.start_main_~y~4 142), 153731#(<= ULTIMATE.start_main_~y~4 143), 153728#(<= ULTIMATE.start_main_~y~4 140), 153729#(<= ULTIMATE.start_main_~y~4 141), 153734#(<= ULTIMATE.start_main_~y~4 146), 153735#(<= ULTIMATE.start_main_~y~4 147), 153732#(<= ULTIMATE.start_main_~y~4 144), 153733#(<= ULTIMATE.start_main_~y~4 145), 153738#(<= ULTIMATE.start_main_~y~4 150), 153739#(<= ULTIMATE.start_main_~y~4 151), 153736#(<= ULTIMATE.start_main_~y~4 148), 153737#(<= ULTIMATE.start_main_~y~4 149), 153742#(<= ULTIMATE.start_main_~y~4 154), 153743#(<= ULTIMATE.start_main_~y~4 155), 153740#(<= ULTIMATE.start_main_~y~4 152), 153741#(<= ULTIMATE.start_main_~y~4 153), 153746#(<= ULTIMATE.start_main_~y~4 158), 153747#(<= ULTIMATE.start_main_~y~4 159), 153744#(<= ULTIMATE.start_main_~y~4 156), 153745#(<= ULTIMATE.start_main_~y~4 157), 153750#(<= ULTIMATE.start_main_~y~4 162), 153751#(<= ULTIMATE.start_main_~y~4 163), 153748#(<= ULTIMATE.start_main_~y~4 160), 153749#(<= ULTIMATE.start_main_~y~4 161), 153754#(<= ULTIMATE.start_main_~y~4 166), 153755#(<= ULTIMATE.start_main_~y~4 167), 153752#(<= ULTIMATE.start_main_~y~4 164), 153753#(<= ULTIMATE.start_main_~y~4 165), 153758#(<= ULTIMATE.start_main_~y~4 170), 153759#(<= ULTIMATE.start_main_~y~4 171), 153756#(<= ULTIMATE.start_main_~y~4 168), 153757#(<= ULTIMATE.start_main_~y~4 169), 153762#(<= ULTIMATE.start_main_~y~4 174), 153763#(<= ULTIMATE.start_main_~y~4 175), 153760#(<= ULTIMATE.start_main_~y~4 172), 153761#(<= ULTIMATE.start_main_~y~4 173), 153766#(<= ULTIMATE.start_main_~y~4 178), 153767#(<= ULTIMATE.start_main_~y~4 179), 153764#(<= ULTIMATE.start_main_~y~4 176), 153765#(<= ULTIMATE.start_main_~y~4 177), 153770#(<= ULTIMATE.start_main_~y~4 182), 153771#(<= ULTIMATE.start_main_~y~4 183), 153768#(<= ULTIMATE.start_main_~y~4 180), 153769#(<= ULTIMATE.start_main_~y~4 181), 153774#(<= ULTIMATE.start_main_~y~4 186), 153775#(<= ULTIMATE.start_main_~y~4 187), 153772#(<= ULTIMATE.start_main_~y~4 184), 153773#(<= ULTIMATE.start_main_~y~4 185), 153778#(<= ULTIMATE.start_main_~y~4 190), 153779#(<= ULTIMATE.start_main_~y~4 191), 153776#(<= ULTIMATE.start_main_~y~4 188), 153777#(<= ULTIMATE.start_main_~y~4 189), 153782#(<= ULTIMATE.start_main_~y~4 194), 153783#(<= ULTIMATE.start_main_~y~4 195), 153780#(<= ULTIMATE.start_main_~y~4 192), 153781#(<= ULTIMATE.start_main_~y~4 193), 153786#(<= ULTIMATE.start_main_~y~4 198), 153787#(<= ULTIMATE.start_main_~y~4 199), 153784#(<= ULTIMATE.start_main_~y~4 196), 153785#(<= ULTIMATE.start_main_~y~4 197), 153790#(<= ULTIMATE.start_main_~y~4 202), 153791#(<= ULTIMATE.start_main_~y~4 203), 153788#(<= ULTIMATE.start_main_~y~4 200), 153789#(<= ULTIMATE.start_main_~y~4 201), 153794#(<= ULTIMATE.start_main_~y~4 206), 153795#(<= ULTIMATE.start_main_~y~4 207), 153792#(<= ULTIMATE.start_main_~y~4 204), 153793#(<= ULTIMATE.start_main_~y~4 205), 153798#(<= ULTIMATE.start_main_~y~4 210), 153799#(<= ULTIMATE.start_main_~y~4 211), 153796#(<= ULTIMATE.start_main_~y~4 208), 153797#(<= ULTIMATE.start_main_~y~4 209), 153802#(<= ULTIMATE.start_main_~y~4 214), 153803#(<= ULTIMATE.start_main_~y~4 215), 153800#(<= ULTIMATE.start_main_~y~4 212), 153801#(<= ULTIMATE.start_main_~y~4 213), 153806#(<= ULTIMATE.start_main_~y~4 218), 153807#(<= ULTIMATE.start_main_~y~4 219), 153804#(<= ULTIMATE.start_main_~y~4 216), 153805#(<= ULTIMATE.start_main_~y~4 217), 153810#(<= ULTIMATE.start_main_~y~4 222), 153811#(<= ULTIMATE.start_main_~y~4 223), 153808#(<= ULTIMATE.start_main_~y~4 220), 153809#(<= ULTIMATE.start_main_~y~4 221), 153814#(<= ULTIMATE.start_main_~y~4 226), 153815#(<= ULTIMATE.start_main_~y~4 227), 153812#(<= ULTIMATE.start_main_~y~4 224), 153813#(<= ULTIMATE.start_main_~y~4 225), 153818#(<= ULTIMATE.start_main_~y~4 230), 153819#(<= ULTIMATE.start_main_~y~4 231), 153816#(<= ULTIMATE.start_main_~y~4 228), 153817#(<= ULTIMATE.start_main_~y~4 229), 153822#(<= ULTIMATE.start_main_~y~4 234), 153823#(<= ULTIMATE.start_main_~y~4 235), 153820#(<= ULTIMATE.start_main_~y~4 232), 153821#(<= ULTIMATE.start_main_~y~4 233), 153826#(<= ULTIMATE.start_main_~y~4 238), 153827#(<= ULTIMATE.start_main_~y~4 239), 153824#(<= ULTIMATE.start_main_~y~4 236), 153825#(<= ULTIMATE.start_main_~y~4 237), 153830#(<= ULTIMATE.start_main_~y~4 242), 153831#(<= ULTIMATE.start_main_~y~4 243), 153828#(<= ULTIMATE.start_main_~y~4 240), 153829#(<= ULTIMATE.start_main_~y~4 241), 153586#true, 153587#false, 153590#(<= ULTIMATE.start_main_~y~4 2), 153591#(<= ULTIMATE.start_main_~y~4 3), 153588#(<= ULTIMATE.start_main_~y~4 0), 153589#(<= ULTIMATE.start_main_~y~4 1), 153594#(<= ULTIMATE.start_main_~y~4 6), 153595#(<= ULTIMATE.start_main_~y~4 7), 153592#(<= ULTIMATE.start_main_~y~4 4), 153593#(<= ULTIMATE.start_main_~y~4 5), 153598#(<= ULTIMATE.start_main_~y~4 10), 153599#(<= ULTIMATE.start_main_~y~4 11), 153596#(<= ULTIMATE.start_main_~y~4 8), 153597#(<= ULTIMATE.start_main_~y~4 9)] [2018-07-23 13:41:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 29646 backedges. 0 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,146 INFO L450 AbstractCegarLoop]: Interpolant automaton has 246 states [2018-07-23 13:41:14,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2018-07-23 13:41:14,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30135, Invalid=30135, Unknown=0, NotChecked=0, Total=60270 [2018-07-23 13:41:14,153 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 246 states. [2018-07-23 13:41:16,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:16,404 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2018-07-23 13:41:16,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2018-07-23 13:41:16,405 INFO L78 Accepts]: Start accepts. Automaton has 246 states. Word has length 246 [2018-07-23 13:41:16,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:16,405 INFO L225 Difference]: With dead ends: 250 [2018-07-23 13:41:16,405 INFO L226 Difference]: Without dead ends: 248 [2018-07-23 13:41:16,407 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=30135, Invalid=30135, Unknown=0, NotChecked=0, Total=60270 [2018-07-23 13:41:16,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-07-23 13:41:16,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2018-07-23 13:41:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-07-23 13:41:16,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2018-07-23 13:41:16,410 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 246 [2018-07-23 13:41:16,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:16,410 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2018-07-23 13:41:16,410 INFO L472 AbstractCegarLoop]: Interpolant automaton has 246 states. [2018-07-23 13:41:16,410 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2018-07-23 13:41:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-07-23 13:41:16,411 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:16,411 INFO L357 BasicCegarLoop]: trace histogram [244, 1, 1, 1] [2018-07-23 13:41:16,411 INFO L414 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:16,411 INFO L82 PathProgramCache]: Analyzing trace with hash 522489411, now seen corresponding path program 244 times [2018-07-23 13:41:16,411 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 29890 backedges. 0 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,045 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:18,045 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [246] total 246 [2018-07-23 13:41:18,045 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:18,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,046 INFO L185 omatonBuilderFactory]: Interpolants [154830#(<= ULTIMATE.start_main_~y~4 0), 154831#(<= ULTIMATE.start_main_~y~4 1), 154828#true, 154829#false, 154834#(<= ULTIMATE.start_main_~y~4 4), 154835#(<= ULTIMATE.start_main_~y~4 5), 154832#(<= ULTIMATE.start_main_~y~4 2), 154833#(<= ULTIMATE.start_main_~y~4 3), 154838#(<= ULTIMATE.start_main_~y~4 8), 154839#(<= ULTIMATE.start_main_~y~4 9), 154836#(<= ULTIMATE.start_main_~y~4 6), 154837#(<= ULTIMATE.start_main_~y~4 7), 154842#(<= ULTIMATE.start_main_~y~4 12), 154843#(<= ULTIMATE.start_main_~y~4 13), 154840#(<= ULTIMATE.start_main_~y~4 10), 154841#(<= ULTIMATE.start_main_~y~4 11), 154846#(<= ULTIMATE.start_main_~y~4 16), 154847#(<= ULTIMATE.start_main_~y~4 17), 154844#(<= ULTIMATE.start_main_~y~4 14), 154845#(<= ULTIMATE.start_main_~y~4 15), 154850#(<= ULTIMATE.start_main_~y~4 20), 154851#(<= ULTIMATE.start_main_~y~4 21), 154848#(<= ULTIMATE.start_main_~y~4 18), 154849#(<= ULTIMATE.start_main_~y~4 19), 154854#(<= ULTIMATE.start_main_~y~4 24), 154855#(<= ULTIMATE.start_main_~y~4 25), 154852#(<= ULTIMATE.start_main_~y~4 22), 154853#(<= ULTIMATE.start_main_~y~4 23), 154858#(<= ULTIMATE.start_main_~y~4 28), 154859#(<= ULTIMATE.start_main_~y~4 29), 154856#(<= ULTIMATE.start_main_~y~4 26), 154857#(<= ULTIMATE.start_main_~y~4 27), 154862#(<= ULTIMATE.start_main_~y~4 32), 154863#(<= ULTIMATE.start_main_~y~4 33), 154860#(<= ULTIMATE.start_main_~y~4 30), 154861#(<= ULTIMATE.start_main_~y~4 31), 154866#(<= ULTIMATE.start_main_~y~4 36), 154867#(<= ULTIMATE.start_main_~y~4 37), 154864#(<= ULTIMATE.start_main_~y~4 34), 154865#(<= ULTIMATE.start_main_~y~4 35), 154870#(<= ULTIMATE.start_main_~y~4 40), 154871#(<= ULTIMATE.start_main_~y~4 41), 154868#(<= ULTIMATE.start_main_~y~4 38), 154869#(<= ULTIMATE.start_main_~y~4 39), 154874#(<= ULTIMATE.start_main_~y~4 44), 154875#(<= ULTIMATE.start_main_~y~4 45), 154872#(<= ULTIMATE.start_main_~y~4 42), 154873#(<= ULTIMATE.start_main_~y~4 43), 154878#(<= ULTIMATE.start_main_~y~4 48), 154879#(<= ULTIMATE.start_main_~y~4 49), 154876#(<= ULTIMATE.start_main_~y~4 46), 154877#(<= ULTIMATE.start_main_~y~4 47), 154882#(<= ULTIMATE.start_main_~y~4 52), 154883#(<= ULTIMATE.start_main_~y~4 53), 154880#(<= ULTIMATE.start_main_~y~4 50), 154881#(<= ULTIMATE.start_main_~y~4 51), 154886#(<= ULTIMATE.start_main_~y~4 56), 154887#(<= ULTIMATE.start_main_~y~4 57), 154884#(<= ULTIMATE.start_main_~y~4 54), 154885#(<= ULTIMATE.start_main_~y~4 55), 154890#(<= ULTIMATE.start_main_~y~4 60), 154891#(<= ULTIMATE.start_main_~y~4 61), 154888#(<= ULTIMATE.start_main_~y~4 58), 154889#(<= ULTIMATE.start_main_~y~4 59), 154894#(<= ULTIMATE.start_main_~y~4 64), 154895#(<= ULTIMATE.start_main_~y~4 65), 154892#(<= ULTIMATE.start_main_~y~4 62), 154893#(<= ULTIMATE.start_main_~y~4 63), 154898#(<= ULTIMATE.start_main_~y~4 68), 154899#(<= ULTIMATE.start_main_~y~4 69), 154896#(<= ULTIMATE.start_main_~y~4 66), 154897#(<= ULTIMATE.start_main_~y~4 67), 154902#(<= ULTIMATE.start_main_~y~4 72), 154903#(<= ULTIMATE.start_main_~y~4 73), 154900#(<= ULTIMATE.start_main_~y~4 70), 154901#(<= ULTIMATE.start_main_~y~4 71), 154906#(<= ULTIMATE.start_main_~y~4 76), 154907#(<= ULTIMATE.start_main_~y~4 77), 154904#(<= ULTIMATE.start_main_~y~4 74), 154905#(<= ULTIMATE.start_main_~y~4 75), 154910#(<= ULTIMATE.start_main_~y~4 80), 154911#(<= ULTIMATE.start_main_~y~4 81), 154908#(<= ULTIMATE.start_main_~y~4 78), 154909#(<= ULTIMATE.start_main_~y~4 79), 154914#(<= ULTIMATE.start_main_~y~4 84), 154915#(<= ULTIMATE.start_main_~y~4 85), 154912#(<= ULTIMATE.start_main_~y~4 82), 154913#(<= ULTIMATE.start_main_~y~4 83), 154918#(<= ULTIMATE.start_main_~y~4 88), 154919#(<= ULTIMATE.start_main_~y~4 89), 154916#(<= ULTIMATE.start_main_~y~4 86), 154917#(<= ULTIMATE.start_main_~y~4 87), 154922#(<= ULTIMATE.start_main_~y~4 92), 154923#(<= ULTIMATE.start_main_~y~4 93), 154920#(<= ULTIMATE.start_main_~y~4 90), 154921#(<= ULTIMATE.start_main_~y~4 91), 154926#(<= ULTIMATE.start_main_~y~4 96), 154927#(<= ULTIMATE.start_main_~y~4 97), 154924#(<= ULTIMATE.start_main_~y~4 94), 154925#(<= ULTIMATE.start_main_~y~4 95), 154930#(<= ULTIMATE.start_main_~y~4 100), 154931#(<= ULTIMATE.start_main_~y~4 101), 154928#(<= ULTIMATE.start_main_~y~4 98), 154929#(<= ULTIMATE.start_main_~y~4 99), 154934#(<= ULTIMATE.start_main_~y~4 104), 154935#(<= ULTIMATE.start_main_~y~4 105), 154932#(<= ULTIMATE.start_main_~y~4 102), 154933#(<= ULTIMATE.start_main_~y~4 103), 154938#(<= ULTIMATE.start_main_~y~4 108), 154939#(<= ULTIMATE.start_main_~y~4 109), 154936#(<= ULTIMATE.start_main_~y~4 106), 154937#(<= ULTIMATE.start_main_~y~4 107), 154942#(<= ULTIMATE.start_main_~y~4 112), 154943#(<= ULTIMATE.start_main_~y~4 113), 154940#(<= ULTIMATE.start_main_~y~4 110), 154941#(<= ULTIMATE.start_main_~y~4 111), 154946#(<= ULTIMATE.start_main_~y~4 116), 154947#(<= ULTIMATE.start_main_~y~4 117), 154944#(<= ULTIMATE.start_main_~y~4 114), 154945#(<= ULTIMATE.start_main_~y~4 115), 154950#(<= ULTIMATE.start_main_~y~4 120), 154951#(<= ULTIMATE.start_main_~y~4 121), 154948#(<= ULTIMATE.start_main_~y~4 118), 154949#(<= ULTIMATE.start_main_~y~4 119), 154954#(<= ULTIMATE.start_main_~y~4 124), 154955#(<= ULTIMATE.start_main_~y~4 125), 154952#(<= ULTIMATE.start_main_~y~4 122), 154953#(<= ULTIMATE.start_main_~y~4 123), 154958#(<= ULTIMATE.start_main_~y~4 128), 154959#(<= ULTIMATE.start_main_~y~4 129), 154956#(<= ULTIMATE.start_main_~y~4 126), 154957#(<= ULTIMATE.start_main_~y~4 127), 154962#(<= ULTIMATE.start_main_~y~4 132), 154963#(<= ULTIMATE.start_main_~y~4 133), 154960#(<= ULTIMATE.start_main_~y~4 130), 154961#(<= ULTIMATE.start_main_~y~4 131), 154966#(<= ULTIMATE.start_main_~y~4 136), 154967#(<= ULTIMATE.start_main_~y~4 137), 154964#(<= ULTIMATE.start_main_~y~4 134), 154965#(<= ULTIMATE.start_main_~y~4 135), 154970#(<= ULTIMATE.start_main_~y~4 140), 154971#(<= ULTIMATE.start_main_~y~4 141), 154968#(<= ULTIMATE.start_main_~y~4 138), 154969#(<= ULTIMATE.start_main_~y~4 139), 154974#(<= ULTIMATE.start_main_~y~4 144), 154975#(<= ULTIMATE.start_main_~y~4 145), 154972#(<= ULTIMATE.start_main_~y~4 142), 154973#(<= ULTIMATE.start_main_~y~4 143), 154978#(<= ULTIMATE.start_main_~y~4 148), 154979#(<= ULTIMATE.start_main_~y~4 149), 154976#(<= ULTIMATE.start_main_~y~4 146), 154977#(<= ULTIMATE.start_main_~y~4 147), 154982#(<= ULTIMATE.start_main_~y~4 152), 154983#(<= ULTIMATE.start_main_~y~4 153), 154980#(<= ULTIMATE.start_main_~y~4 150), 154981#(<= ULTIMATE.start_main_~y~4 151), 154986#(<= ULTIMATE.start_main_~y~4 156), 154987#(<= ULTIMATE.start_main_~y~4 157), 154984#(<= ULTIMATE.start_main_~y~4 154), 154985#(<= ULTIMATE.start_main_~y~4 155), 154990#(<= ULTIMATE.start_main_~y~4 160), 154991#(<= ULTIMATE.start_main_~y~4 161), 154988#(<= ULTIMATE.start_main_~y~4 158), 154989#(<= ULTIMATE.start_main_~y~4 159), 154994#(<= ULTIMATE.start_main_~y~4 164), 154995#(<= ULTIMATE.start_main_~y~4 165), 154992#(<= ULTIMATE.start_main_~y~4 162), 154993#(<= ULTIMATE.start_main_~y~4 163), 154998#(<= ULTIMATE.start_main_~y~4 168), 154999#(<= ULTIMATE.start_main_~y~4 169), 154996#(<= ULTIMATE.start_main_~y~4 166), 154997#(<= ULTIMATE.start_main_~y~4 167), 155002#(<= ULTIMATE.start_main_~y~4 172), 155003#(<= ULTIMATE.start_main_~y~4 173), 155000#(<= ULTIMATE.start_main_~y~4 170), 155001#(<= ULTIMATE.start_main_~y~4 171), 155006#(<= ULTIMATE.start_main_~y~4 176), 155007#(<= ULTIMATE.start_main_~y~4 177), 155004#(<= ULTIMATE.start_main_~y~4 174), 155005#(<= ULTIMATE.start_main_~y~4 175), 155010#(<= ULTIMATE.start_main_~y~4 180), 155011#(<= ULTIMATE.start_main_~y~4 181), 155008#(<= ULTIMATE.start_main_~y~4 178), 155009#(<= ULTIMATE.start_main_~y~4 179), 155014#(<= ULTIMATE.start_main_~y~4 184), 155015#(<= ULTIMATE.start_main_~y~4 185), 155012#(<= ULTIMATE.start_main_~y~4 182), 155013#(<= ULTIMATE.start_main_~y~4 183), 155018#(<= ULTIMATE.start_main_~y~4 188), 155019#(<= ULTIMATE.start_main_~y~4 189), 155016#(<= ULTIMATE.start_main_~y~4 186), 155017#(<= ULTIMATE.start_main_~y~4 187), 155022#(<= ULTIMATE.start_main_~y~4 192), 155023#(<= ULTIMATE.start_main_~y~4 193), 155020#(<= ULTIMATE.start_main_~y~4 190), 155021#(<= ULTIMATE.start_main_~y~4 191), 155026#(<= ULTIMATE.start_main_~y~4 196), 155027#(<= ULTIMATE.start_main_~y~4 197), 155024#(<= ULTIMATE.start_main_~y~4 194), 155025#(<= ULTIMATE.start_main_~y~4 195), 155030#(<= ULTIMATE.start_main_~y~4 200), 155031#(<= ULTIMATE.start_main_~y~4 201), 155028#(<= ULTIMATE.start_main_~y~4 198), 155029#(<= ULTIMATE.start_main_~y~4 199), 155034#(<= ULTIMATE.start_main_~y~4 204), 155035#(<= ULTIMATE.start_main_~y~4 205), 155032#(<= ULTIMATE.start_main_~y~4 202), 155033#(<= ULTIMATE.start_main_~y~4 203), 155038#(<= ULTIMATE.start_main_~y~4 208), 155039#(<= ULTIMATE.start_main_~y~4 209), 155036#(<= ULTIMATE.start_main_~y~4 206), 155037#(<= ULTIMATE.start_main_~y~4 207), 155042#(<= ULTIMATE.start_main_~y~4 212), 155043#(<= ULTIMATE.start_main_~y~4 213), 155040#(<= ULTIMATE.start_main_~y~4 210), 155041#(<= ULTIMATE.start_main_~y~4 211), 155046#(<= ULTIMATE.start_main_~y~4 216), 155047#(<= ULTIMATE.start_main_~y~4 217), 155044#(<= ULTIMATE.start_main_~y~4 214), 155045#(<= ULTIMATE.start_main_~y~4 215), 155050#(<= ULTIMATE.start_main_~y~4 220), 155051#(<= ULTIMATE.start_main_~y~4 221), 155048#(<= ULTIMATE.start_main_~y~4 218), 155049#(<= ULTIMATE.start_main_~y~4 219), 155054#(<= ULTIMATE.start_main_~y~4 224), 155055#(<= ULTIMATE.start_main_~y~4 225), 155052#(<= ULTIMATE.start_main_~y~4 222), 155053#(<= ULTIMATE.start_main_~y~4 223), 155058#(<= ULTIMATE.start_main_~y~4 228), 155059#(<= ULTIMATE.start_main_~y~4 229), 155056#(<= ULTIMATE.start_main_~y~4 226), 155057#(<= ULTIMATE.start_main_~y~4 227), 155062#(<= ULTIMATE.start_main_~y~4 232), 155063#(<= ULTIMATE.start_main_~y~4 233), 155060#(<= ULTIMATE.start_main_~y~4 230), 155061#(<= ULTIMATE.start_main_~y~4 231), 155066#(<= ULTIMATE.start_main_~y~4 236), 155067#(<= ULTIMATE.start_main_~y~4 237), 155064#(<= ULTIMATE.start_main_~y~4 234), 155065#(<= ULTIMATE.start_main_~y~4 235), 155070#(<= ULTIMATE.start_main_~y~4 240), 155071#(<= ULTIMATE.start_main_~y~4 241), 155068#(<= ULTIMATE.start_main_~y~4 238), 155069#(<= ULTIMATE.start_main_~y~4 239), 155074#(<= ULTIMATE.start_main_~y~4 244), 155072#(<= ULTIMATE.start_main_~y~4 242), 155073#(<= ULTIMATE.start_main_~y~4 243)] [2018-07-23 13:41:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 29890 backedges. 0 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,048 INFO L450 AbstractCegarLoop]: Interpolant automaton has 247 states [2018-07-23 13:41:18,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 247 interpolants. [2018-07-23 13:41:18,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30381, Invalid=30381, Unknown=0, NotChecked=0, Total=60762 [2018-07-23 13:41:18,056 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand 247 states. [2018-07-23 13:41:20,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:20,005 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:41:20,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2018-07-23 13:41:20,005 INFO L78 Accepts]: Start accepts. Automaton has 247 states. Word has length 247 [2018-07-23 13:41:20,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:20,005 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:41:20,005 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:41:20,008 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=30381, Invalid=30381, Unknown=0, NotChecked=0, Total=60762 [2018-07-23 13:41:20,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:41:20,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:41:20,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:41:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:41:20,011 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 247 [2018-07-23 13:41:20,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:20,011 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:41:20,011 INFO L472 AbstractCegarLoop]: Interpolant automaton has 247 states. [2018-07-23 13:41:20,011 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:41:20,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:41:20,012 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:20,012 INFO L357 BasicCegarLoop]: trace histogram [245, 1, 1, 1] [2018-07-23 13:41:20,012 INFO L414 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:20,012 INFO L82 PathProgramCache]: Analyzing trace with hash -982695636, now seen corresponding path program 245 times [2018-07-23 13:41:20,012 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 30135 backedges. 0 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,614 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:21,615 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [247] total 247 [2018-07-23 13:41:21,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,615 INFO L185 omatonBuilderFactory]: Interpolants [156162#(<= ULTIMATE.start_main_~y~4 85), 156163#(<= ULTIMATE.start_main_~y~4 86), 156160#(<= ULTIMATE.start_main_~y~4 83), 156161#(<= ULTIMATE.start_main_~y~4 84), 156166#(<= ULTIMATE.start_main_~y~4 89), 156167#(<= ULTIMATE.start_main_~y~4 90), 156164#(<= ULTIMATE.start_main_~y~4 87), 156165#(<= ULTIMATE.start_main_~y~4 88), 156170#(<= ULTIMATE.start_main_~y~4 93), 156171#(<= ULTIMATE.start_main_~y~4 94), 156168#(<= ULTIMATE.start_main_~y~4 91), 156169#(<= ULTIMATE.start_main_~y~4 92), 156174#(<= ULTIMATE.start_main_~y~4 97), 156175#(<= ULTIMATE.start_main_~y~4 98), 156172#(<= ULTIMATE.start_main_~y~4 95), 156173#(<= ULTIMATE.start_main_~y~4 96), 156178#(<= ULTIMATE.start_main_~y~4 101), 156179#(<= ULTIMATE.start_main_~y~4 102), 156176#(<= ULTIMATE.start_main_~y~4 99), 156177#(<= ULTIMATE.start_main_~y~4 100), 156182#(<= ULTIMATE.start_main_~y~4 105), 156183#(<= ULTIMATE.start_main_~y~4 106), 156180#(<= ULTIMATE.start_main_~y~4 103), 156181#(<= ULTIMATE.start_main_~y~4 104), 156186#(<= ULTIMATE.start_main_~y~4 109), 156187#(<= ULTIMATE.start_main_~y~4 110), 156184#(<= ULTIMATE.start_main_~y~4 107), 156185#(<= ULTIMATE.start_main_~y~4 108), 156190#(<= ULTIMATE.start_main_~y~4 113), 156191#(<= ULTIMATE.start_main_~y~4 114), 156188#(<= ULTIMATE.start_main_~y~4 111), 156189#(<= ULTIMATE.start_main_~y~4 112), 156194#(<= ULTIMATE.start_main_~y~4 117), 156195#(<= ULTIMATE.start_main_~y~4 118), 156192#(<= ULTIMATE.start_main_~y~4 115), 156193#(<= ULTIMATE.start_main_~y~4 116), 156198#(<= ULTIMATE.start_main_~y~4 121), 156199#(<= ULTIMATE.start_main_~y~4 122), 156196#(<= ULTIMATE.start_main_~y~4 119), 156197#(<= ULTIMATE.start_main_~y~4 120), 156202#(<= ULTIMATE.start_main_~y~4 125), 156203#(<= ULTIMATE.start_main_~y~4 126), 156200#(<= ULTIMATE.start_main_~y~4 123), 156201#(<= ULTIMATE.start_main_~y~4 124), 156206#(<= ULTIMATE.start_main_~y~4 129), 156207#(<= ULTIMATE.start_main_~y~4 130), 156204#(<= ULTIMATE.start_main_~y~4 127), 156205#(<= ULTIMATE.start_main_~y~4 128), 156210#(<= ULTIMATE.start_main_~y~4 133), 156211#(<= ULTIMATE.start_main_~y~4 134), 156208#(<= ULTIMATE.start_main_~y~4 131), 156209#(<= ULTIMATE.start_main_~y~4 132), 156214#(<= ULTIMATE.start_main_~y~4 137), 156215#(<= ULTIMATE.start_main_~y~4 138), 156212#(<= ULTIMATE.start_main_~y~4 135), 156213#(<= ULTIMATE.start_main_~y~4 136), 156218#(<= ULTIMATE.start_main_~y~4 141), 156219#(<= ULTIMATE.start_main_~y~4 142), 156216#(<= ULTIMATE.start_main_~y~4 139), 156217#(<= ULTIMATE.start_main_~y~4 140), 156222#(<= ULTIMATE.start_main_~y~4 145), 156223#(<= ULTIMATE.start_main_~y~4 146), 156220#(<= ULTIMATE.start_main_~y~4 143), 156221#(<= ULTIMATE.start_main_~y~4 144), 156226#(<= ULTIMATE.start_main_~y~4 149), 156227#(<= ULTIMATE.start_main_~y~4 150), 156224#(<= ULTIMATE.start_main_~y~4 147), 156225#(<= ULTIMATE.start_main_~y~4 148), 156230#(<= ULTIMATE.start_main_~y~4 153), 156231#(<= ULTIMATE.start_main_~y~4 154), 156228#(<= ULTIMATE.start_main_~y~4 151), 156229#(<= ULTIMATE.start_main_~y~4 152), 156234#(<= ULTIMATE.start_main_~y~4 157), 156235#(<= ULTIMATE.start_main_~y~4 158), 156232#(<= ULTIMATE.start_main_~y~4 155), 156233#(<= ULTIMATE.start_main_~y~4 156), 156238#(<= ULTIMATE.start_main_~y~4 161), 156239#(<= ULTIMATE.start_main_~y~4 162), 156236#(<= ULTIMATE.start_main_~y~4 159), 156237#(<= ULTIMATE.start_main_~y~4 160), 156242#(<= ULTIMATE.start_main_~y~4 165), 156243#(<= ULTIMATE.start_main_~y~4 166), 156240#(<= ULTIMATE.start_main_~y~4 163), 156241#(<= ULTIMATE.start_main_~y~4 164), 156246#(<= ULTIMATE.start_main_~y~4 169), 156247#(<= ULTIMATE.start_main_~y~4 170), 156244#(<= ULTIMATE.start_main_~y~4 167), 156245#(<= ULTIMATE.start_main_~y~4 168), 156250#(<= ULTIMATE.start_main_~y~4 173), 156251#(<= ULTIMATE.start_main_~y~4 174), 156248#(<= ULTIMATE.start_main_~y~4 171), 156249#(<= ULTIMATE.start_main_~y~4 172), 156254#(<= ULTIMATE.start_main_~y~4 177), 156255#(<= ULTIMATE.start_main_~y~4 178), 156252#(<= ULTIMATE.start_main_~y~4 175), 156253#(<= ULTIMATE.start_main_~y~4 176), 156258#(<= ULTIMATE.start_main_~y~4 181), 156259#(<= ULTIMATE.start_main_~y~4 182), 156256#(<= ULTIMATE.start_main_~y~4 179), 156257#(<= ULTIMATE.start_main_~y~4 180), 156262#(<= ULTIMATE.start_main_~y~4 185), 156263#(<= ULTIMATE.start_main_~y~4 186), 156260#(<= ULTIMATE.start_main_~y~4 183), 156261#(<= ULTIMATE.start_main_~y~4 184), 156266#(<= ULTIMATE.start_main_~y~4 189), 156267#(<= ULTIMATE.start_main_~y~4 190), 156264#(<= ULTIMATE.start_main_~y~4 187), 156265#(<= ULTIMATE.start_main_~y~4 188), 156270#(<= ULTIMATE.start_main_~y~4 193), 156271#(<= ULTIMATE.start_main_~y~4 194), 156268#(<= ULTIMATE.start_main_~y~4 191), 156269#(<= ULTIMATE.start_main_~y~4 192), 156274#(<= ULTIMATE.start_main_~y~4 197), 156275#(<= ULTIMATE.start_main_~y~4 198), 156272#(<= ULTIMATE.start_main_~y~4 195), 156273#(<= ULTIMATE.start_main_~y~4 196), 156278#(<= ULTIMATE.start_main_~y~4 201), 156279#(<= ULTIMATE.start_main_~y~4 202), 156276#(<= ULTIMATE.start_main_~y~4 199), 156277#(<= ULTIMATE.start_main_~y~4 200), 156282#(<= ULTIMATE.start_main_~y~4 205), 156283#(<= ULTIMATE.start_main_~y~4 206), 156280#(<= ULTIMATE.start_main_~y~4 203), 156281#(<= ULTIMATE.start_main_~y~4 204), 156286#(<= ULTIMATE.start_main_~y~4 209), 156287#(<= ULTIMATE.start_main_~y~4 210), 156284#(<= ULTIMATE.start_main_~y~4 207), 156285#(<= ULTIMATE.start_main_~y~4 208), 156290#(<= ULTIMATE.start_main_~y~4 213), 156291#(<= ULTIMATE.start_main_~y~4 214), 156288#(<= ULTIMATE.start_main_~y~4 211), 156289#(<= ULTIMATE.start_main_~y~4 212), 156294#(<= ULTIMATE.start_main_~y~4 217), 156295#(<= ULTIMATE.start_main_~y~4 218), 156292#(<= ULTIMATE.start_main_~y~4 215), 156293#(<= ULTIMATE.start_main_~y~4 216), 156298#(<= ULTIMATE.start_main_~y~4 221), 156299#(<= ULTIMATE.start_main_~y~4 222), 156296#(<= ULTIMATE.start_main_~y~4 219), 156297#(<= ULTIMATE.start_main_~y~4 220), 156302#(<= ULTIMATE.start_main_~y~4 225), 156303#(<= ULTIMATE.start_main_~y~4 226), 156300#(<= ULTIMATE.start_main_~y~4 223), 156301#(<= ULTIMATE.start_main_~y~4 224), 156306#(<= ULTIMATE.start_main_~y~4 229), 156307#(<= ULTIMATE.start_main_~y~4 230), 156304#(<= ULTIMATE.start_main_~y~4 227), 156305#(<= ULTIMATE.start_main_~y~4 228), 156310#(<= ULTIMATE.start_main_~y~4 233), 156311#(<= ULTIMATE.start_main_~y~4 234), 156308#(<= ULTIMATE.start_main_~y~4 231), 156309#(<= ULTIMATE.start_main_~y~4 232), 156314#(<= ULTIMATE.start_main_~y~4 237), 156315#(<= ULTIMATE.start_main_~y~4 238), 156312#(<= ULTIMATE.start_main_~y~4 235), 156313#(<= ULTIMATE.start_main_~y~4 236), 156318#(<= ULTIMATE.start_main_~y~4 241), 156319#(<= ULTIMATE.start_main_~y~4 242), 156316#(<= ULTIMATE.start_main_~y~4 239), 156317#(<= ULTIMATE.start_main_~y~4 240), 156322#(<= ULTIMATE.start_main_~y~4 245), 156320#(<= ULTIMATE.start_main_~y~4 243), 156321#(<= ULTIMATE.start_main_~y~4 244), 156075#true, 156078#(<= ULTIMATE.start_main_~y~4 1), 156079#(<= ULTIMATE.start_main_~y~4 2), 156076#false, 156077#(<= ULTIMATE.start_main_~y~4 0), 156082#(<= ULTIMATE.start_main_~y~4 5), 156083#(<= ULTIMATE.start_main_~y~4 6), 156080#(<= ULTIMATE.start_main_~y~4 3), 156081#(<= ULTIMATE.start_main_~y~4 4), 156086#(<= ULTIMATE.start_main_~y~4 9), 156087#(<= ULTIMATE.start_main_~y~4 10), 156084#(<= ULTIMATE.start_main_~y~4 7), 156085#(<= ULTIMATE.start_main_~y~4 8), 156090#(<= ULTIMATE.start_main_~y~4 13), 156091#(<= ULTIMATE.start_main_~y~4 14), 156088#(<= ULTIMATE.start_main_~y~4 11), 156089#(<= ULTIMATE.start_main_~y~4 12), 156094#(<= ULTIMATE.start_main_~y~4 17), 156095#(<= ULTIMATE.start_main_~y~4 18), 156092#(<= ULTIMATE.start_main_~y~4 15), 156093#(<= ULTIMATE.start_main_~y~4 16), 156098#(<= ULTIMATE.start_main_~y~4 21), 156099#(<= ULTIMATE.start_main_~y~4 22), 156096#(<= ULTIMATE.start_main_~y~4 19), 156097#(<= ULTIMATE.start_main_~y~4 20), 156102#(<= ULTIMATE.start_main_~y~4 25), 156103#(<= ULTIMATE.start_main_~y~4 26), 156100#(<= ULTIMATE.start_main_~y~4 23), 156101#(<= ULTIMATE.start_main_~y~4 24), 156106#(<= ULTIMATE.start_main_~y~4 29), 156107#(<= ULTIMATE.start_main_~y~4 30), 156104#(<= ULTIMATE.start_main_~y~4 27), 156105#(<= ULTIMATE.start_main_~y~4 28), 156110#(<= ULTIMATE.start_main_~y~4 33), 156111#(<= ULTIMATE.start_main_~y~4 34), 156108#(<= ULTIMATE.start_main_~y~4 31), 156109#(<= ULTIMATE.start_main_~y~4 32), 156114#(<= ULTIMATE.start_main_~y~4 37), 156115#(<= ULTIMATE.start_main_~y~4 38), 156112#(<= ULTIMATE.start_main_~y~4 35), 156113#(<= ULTIMATE.start_main_~y~4 36), 156118#(<= ULTIMATE.start_main_~y~4 41), 156119#(<= ULTIMATE.start_main_~y~4 42), 156116#(<= ULTIMATE.start_main_~y~4 39), 156117#(<= ULTIMATE.start_main_~y~4 40), 156122#(<= ULTIMATE.start_main_~y~4 45), 156123#(<= ULTIMATE.start_main_~y~4 46), 156120#(<= ULTIMATE.start_main_~y~4 43), 156121#(<= ULTIMATE.start_main_~y~4 44), 156126#(<= ULTIMATE.start_main_~y~4 49), 156127#(<= ULTIMATE.start_main_~y~4 50), 156124#(<= ULTIMATE.start_main_~y~4 47), 156125#(<= ULTIMATE.start_main_~y~4 48), 156130#(<= ULTIMATE.start_main_~y~4 53), 156131#(<= ULTIMATE.start_main_~y~4 54), 156128#(<= ULTIMATE.start_main_~y~4 51), 156129#(<= ULTIMATE.start_main_~y~4 52), 156134#(<= ULTIMATE.start_main_~y~4 57), 156135#(<= ULTIMATE.start_main_~y~4 58), 156132#(<= ULTIMATE.start_main_~y~4 55), 156133#(<= ULTIMATE.start_main_~y~4 56), 156138#(<= ULTIMATE.start_main_~y~4 61), 156139#(<= ULTIMATE.start_main_~y~4 62), 156136#(<= ULTIMATE.start_main_~y~4 59), 156137#(<= ULTIMATE.start_main_~y~4 60), 156142#(<= ULTIMATE.start_main_~y~4 65), 156143#(<= ULTIMATE.start_main_~y~4 66), 156140#(<= ULTIMATE.start_main_~y~4 63), 156141#(<= ULTIMATE.start_main_~y~4 64), 156146#(<= ULTIMATE.start_main_~y~4 69), 156147#(<= ULTIMATE.start_main_~y~4 70), 156144#(<= ULTIMATE.start_main_~y~4 67), 156145#(<= ULTIMATE.start_main_~y~4 68), 156150#(<= ULTIMATE.start_main_~y~4 73), 156151#(<= ULTIMATE.start_main_~y~4 74), 156148#(<= ULTIMATE.start_main_~y~4 71), 156149#(<= ULTIMATE.start_main_~y~4 72), 156154#(<= ULTIMATE.start_main_~y~4 77), 156155#(<= ULTIMATE.start_main_~y~4 78), 156152#(<= ULTIMATE.start_main_~y~4 75), 156153#(<= ULTIMATE.start_main_~y~4 76), 156158#(<= ULTIMATE.start_main_~y~4 81), 156159#(<= ULTIMATE.start_main_~y~4 82), 156156#(<= ULTIMATE.start_main_~y~4 79), 156157#(<= ULTIMATE.start_main_~y~4 80)] [2018-07-23 13:41:21,617 INFO L134 CoverageAnalysis]: Checked inductivity of 30135 backedges. 0 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,617 INFO L450 AbstractCegarLoop]: Interpolant automaton has 248 states [2018-07-23 13:41:21,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 248 interpolants. [2018-07-23 13:41:21,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30628, Invalid=30628, Unknown=0, NotChecked=0, Total=61256 [2018-07-23 13:41:21,623 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 248 states. [2018-07-23 13:41:22,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:22,716 INFO L93 Difference]: Finished difference Result 252 states and 252 transitions. [2018-07-23 13:41:22,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 248 states. [2018-07-23 13:41:22,717 INFO L78 Accepts]: Start accepts. Automaton has 248 states. Word has length 248 [2018-07-23 13:41:22,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:22,717 INFO L225 Difference]: With dead ends: 252 [2018-07-23 13:41:22,717 INFO L226 Difference]: Without dead ends: 250 [2018-07-23 13:41:22,719 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=30628, Invalid=30628, Unknown=0, NotChecked=0, Total=61256 [2018-07-23 13:41:22,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-07-23 13:41:22,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2018-07-23 13:41:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-07-23 13:41:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2018-07-23 13:41:22,722 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 248 [2018-07-23 13:41:22,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:22,722 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2018-07-23 13:41:22,722 INFO L472 AbstractCegarLoop]: Interpolant automaton has 248 states. [2018-07-23 13:41:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2018-07-23 13:41:22,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-07-23 13:41:22,723 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:22,723 INFO L357 BasicCegarLoop]: trace histogram [246, 1, 1, 1] [2018-07-23 13:41:22,723 INFO L414 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:22,723 INFO L82 PathProgramCache]: Analyzing trace with hash -398791837, now seen corresponding path program 246 times [2018-07-23 13:41:22,723 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 30381 backedges. 0 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,250 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:24,250 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [248] total 248 [2018-07-23 13:41:24,250 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,251 INFO L185 omatonBuilderFactory]: Interpolants [157327#true, 157330#(<= ULTIMATE.start_main_~y~4 1), 157331#(<= ULTIMATE.start_main_~y~4 2), 157328#false, 157329#(<= ULTIMATE.start_main_~y~4 0), 157334#(<= ULTIMATE.start_main_~y~4 5), 157335#(<= ULTIMATE.start_main_~y~4 6), 157332#(<= ULTIMATE.start_main_~y~4 3), 157333#(<= ULTIMATE.start_main_~y~4 4), 157338#(<= ULTIMATE.start_main_~y~4 9), 157339#(<= ULTIMATE.start_main_~y~4 10), 157336#(<= ULTIMATE.start_main_~y~4 7), 157337#(<= ULTIMATE.start_main_~y~4 8), 157342#(<= ULTIMATE.start_main_~y~4 13), 157343#(<= ULTIMATE.start_main_~y~4 14), 157340#(<= ULTIMATE.start_main_~y~4 11), 157341#(<= ULTIMATE.start_main_~y~4 12), 157346#(<= ULTIMATE.start_main_~y~4 17), 157347#(<= ULTIMATE.start_main_~y~4 18), 157344#(<= ULTIMATE.start_main_~y~4 15), 157345#(<= ULTIMATE.start_main_~y~4 16), 157350#(<= ULTIMATE.start_main_~y~4 21), 157351#(<= ULTIMATE.start_main_~y~4 22), 157348#(<= ULTIMATE.start_main_~y~4 19), 157349#(<= ULTIMATE.start_main_~y~4 20), 157354#(<= ULTIMATE.start_main_~y~4 25), 157355#(<= ULTIMATE.start_main_~y~4 26), 157352#(<= ULTIMATE.start_main_~y~4 23), 157353#(<= ULTIMATE.start_main_~y~4 24), 157358#(<= ULTIMATE.start_main_~y~4 29), 157359#(<= ULTIMATE.start_main_~y~4 30), 157356#(<= ULTIMATE.start_main_~y~4 27), 157357#(<= ULTIMATE.start_main_~y~4 28), 157362#(<= ULTIMATE.start_main_~y~4 33), 157363#(<= ULTIMATE.start_main_~y~4 34), 157360#(<= ULTIMATE.start_main_~y~4 31), 157361#(<= ULTIMATE.start_main_~y~4 32), 157366#(<= ULTIMATE.start_main_~y~4 37), 157367#(<= ULTIMATE.start_main_~y~4 38), 157364#(<= ULTIMATE.start_main_~y~4 35), 157365#(<= ULTIMATE.start_main_~y~4 36), 157370#(<= ULTIMATE.start_main_~y~4 41), 157371#(<= ULTIMATE.start_main_~y~4 42), 157368#(<= ULTIMATE.start_main_~y~4 39), 157369#(<= ULTIMATE.start_main_~y~4 40), 157374#(<= ULTIMATE.start_main_~y~4 45), 157375#(<= ULTIMATE.start_main_~y~4 46), 157372#(<= ULTIMATE.start_main_~y~4 43), 157373#(<= ULTIMATE.start_main_~y~4 44), 157378#(<= ULTIMATE.start_main_~y~4 49), 157379#(<= ULTIMATE.start_main_~y~4 50), 157376#(<= ULTIMATE.start_main_~y~4 47), 157377#(<= ULTIMATE.start_main_~y~4 48), 157382#(<= ULTIMATE.start_main_~y~4 53), 157383#(<= ULTIMATE.start_main_~y~4 54), 157380#(<= ULTIMATE.start_main_~y~4 51), 157381#(<= ULTIMATE.start_main_~y~4 52), 157386#(<= ULTIMATE.start_main_~y~4 57), 157387#(<= ULTIMATE.start_main_~y~4 58), 157384#(<= ULTIMATE.start_main_~y~4 55), 157385#(<= ULTIMATE.start_main_~y~4 56), 157390#(<= ULTIMATE.start_main_~y~4 61), 157391#(<= ULTIMATE.start_main_~y~4 62), 157388#(<= ULTIMATE.start_main_~y~4 59), 157389#(<= ULTIMATE.start_main_~y~4 60), 157394#(<= ULTIMATE.start_main_~y~4 65), 157395#(<= ULTIMATE.start_main_~y~4 66), 157392#(<= ULTIMATE.start_main_~y~4 63), 157393#(<= ULTIMATE.start_main_~y~4 64), 157398#(<= ULTIMATE.start_main_~y~4 69), 157399#(<= ULTIMATE.start_main_~y~4 70), 157396#(<= ULTIMATE.start_main_~y~4 67), 157397#(<= ULTIMATE.start_main_~y~4 68), 157402#(<= ULTIMATE.start_main_~y~4 73), 157403#(<= ULTIMATE.start_main_~y~4 74), 157400#(<= ULTIMATE.start_main_~y~4 71), 157401#(<= ULTIMATE.start_main_~y~4 72), 157406#(<= ULTIMATE.start_main_~y~4 77), 157407#(<= ULTIMATE.start_main_~y~4 78), 157404#(<= ULTIMATE.start_main_~y~4 75), 157405#(<= ULTIMATE.start_main_~y~4 76), 157410#(<= ULTIMATE.start_main_~y~4 81), 157411#(<= ULTIMATE.start_main_~y~4 82), 157408#(<= ULTIMATE.start_main_~y~4 79), 157409#(<= ULTIMATE.start_main_~y~4 80), 157414#(<= ULTIMATE.start_main_~y~4 85), 157415#(<= ULTIMATE.start_main_~y~4 86), 157412#(<= ULTIMATE.start_main_~y~4 83), 157413#(<= ULTIMATE.start_main_~y~4 84), 157418#(<= ULTIMATE.start_main_~y~4 89), 157419#(<= ULTIMATE.start_main_~y~4 90), 157416#(<= ULTIMATE.start_main_~y~4 87), 157417#(<= ULTIMATE.start_main_~y~4 88), 157422#(<= ULTIMATE.start_main_~y~4 93), 157423#(<= ULTIMATE.start_main_~y~4 94), 157420#(<= ULTIMATE.start_main_~y~4 91), 157421#(<= ULTIMATE.start_main_~y~4 92), 157426#(<= ULTIMATE.start_main_~y~4 97), 157427#(<= ULTIMATE.start_main_~y~4 98), 157424#(<= ULTIMATE.start_main_~y~4 95), 157425#(<= ULTIMATE.start_main_~y~4 96), 157430#(<= ULTIMATE.start_main_~y~4 101), 157431#(<= ULTIMATE.start_main_~y~4 102), 157428#(<= ULTIMATE.start_main_~y~4 99), 157429#(<= ULTIMATE.start_main_~y~4 100), 157434#(<= ULTIMATE.start_main_~y~4 105), 157435#(<= ULTIMATE.start_main_~y~4 106), 157432#(<= ULTIMATE.start_main_~y~4 103), 157433#(<= ULTIMATE.start_main_~y~4 104), 157438#(<= ULTIMATE.start_main_~y~4 109), 157439#(<= ULTIMATE.start_main_~y~4 110), 157436#(<= ULTIMATE.start_main_~y~4 107), 157437#(<= ULTIMATE.start_main_~y~4 108), 157442#(<= ULTIMATE.start_main_~y~4 113), 157443#(<= ULTIMATE.start_main_~y~4 114), 157440#(<= ULTIMATE.start_main_~y~4 111), 157441#(<= ULTIMATE.start_main_~y~4 112), 157446#(<= ULTIMATE.start_main_~y~4 117), 157447#(<= ULTIMATE.start_main_~y~4 118), 157444#(<= ULTIMATE.start_main_~y~4 115), 157445#(<= ULTIMATE.start_main_~y~4 116), 157450#(<= ULTIMATE.start_main_~y~4 121), 157451#(<= ULTIMATE.start_main_~y~4 122), 157448#(<= ULTIMATE.start_main_~y~4 119), 157449#(<= ULTIMATE.start_main_~y~4 120), 157454#(<= ULTIMATE.start_main_~y~4 125), 157455#(<= ULTIMATE.start_main_~y~4 126), 157452#(<= ULTIMATE.start_main_~y~4 123), 157453#(<= ULTIMATE.start_main_~y~4 124), 157458#(<= ULTIMATE.start_main_~y~4 129), 157459#(<= ULTIMATE.start_main_~y~4 130), 157456#(<= ULTIMATE.start_main_~y~4 127), 157457#(<= ULTIMATE.start_main_~y~4 128), 157462#(<= ULTIMATE.start_main_~y~4 133), 157463#(<= ULTIMATE.start_main_~y~4 134), 157460#(<= ULTIMATE.start_main_~y~4 131), 157461#(<= ULTIMATE.start_main_~y~4 132), 157466#(<= ULTIMATE.start_main_~y~4 137), 157467#(<= ULTIMATE.start_main_~y~4 138), 157464#(<= ULTIMATE.start_main_~y~4 135), 157465#(<= ULTIMATE.start_main_~y~4 136), 157470#(<= ULTIMATE.start_main_~y~4 141), 157471#(<= ULTIMATE.start_main_~y~4 142), 157468#(<= ULTIMATE.start_main_~y~4 139), 157469#(<= ULTIMATE.start_main_~y~4 140), 157474#(<= ULTIMATE.start_main_~y~4 145), 157475#(<= ULTIMATE.start_main_~y~4 146), 157472#(<= ULTIMATE.start_main_~y~4 143), 157473#(<= ULTIMATE.start_main_~y~4 144), 157478#(<= ULTIMATE.start_main_~y~4 149), 157479#(<= ULTIMATE.start_main_~y~4 150), 157476#(<= ULTIMATE.start_main_~y~4 147), 157477#(<= ULTIMATE.start_main_~y~4 148), 157482#(<= ULTIMATE.start_main_~y~4 153), 157483#(<= ULTIMATE.start_main_~y~4 154), 157480#(<= ULTIMATE.start_main_~y~4 151), 157481#(<= ULTIMATE.start_main_~y~4 152), 157486#(<= ULTIMATE.start_main_~y~4 157), 157487#(<= ULTIMATE.start_main_~y~4 158), 157484#(<= ULTIMATE.start_main_~y~4 155), 157485#(<= ULTIMATE.start_main_~y~4 156), 157490#(<= ULTIMATE.start_main_~y~4 161), 157491#(<= ULTIMATE.start_main_~y~4 162), 157488#(<= ULTIMATE.start_main_~y~4 159), 157489#(<= ULTIMATE.start_main_~y~4 160), 157494#(<= ULTIMATE.start_main_~y~4 165), 157495#(<= ULTIMATE.start_main_~y~4 166), 157492#(<= ULTIMATE.start_main_~y~4 163), 157493#(<= ULTIMATE.start_main_~y~4 164), 157498#(<= ULTIMATE.start_main_~y~4 169), 157499#(<= ULTIMATE.start_main_~y~4 170), 157496#(<= ULTIMATE.start_main_~y~4 167), 157497#(<= ULTIMATE.start_main_~y~4 168), 157502#(<= ULTIMATE.start_main_~y~4 173), 157503#(<= ULTIMATE.start_main_~y~4 174), 157500#(<= ULTIMATE.start_main_~y~4 171), 157501#(<= ULTIMATE.start_main_~y~4 172), 157506#(<= ULTIMATE.start_main_~y~4 177), 157507#(<= ULTIMATE.start_main_~y~4 178), 157504#(<= ULTIMATE.start_main_~y~4 175), 157505#(<= ULTIMATE.start_main_~y~4 176), 157510#(<= ULTIMATE.start_main_~y~4 181), 157511#(<= ULTIMATE.start_main_~y~4 182), 157508#(<= ULTIMATE.start_main_~y~4 179), 157509#(<= ULTIMATE.start_main_~y~4 180), 157514#(<= ULTIMATE.start_main_~y~4 185), 157515#(<= ULTIMATE.start_main_~y~4 186), 157512#(<= ULTIMATE.start_main_~y~4 183), 157513#(<= ULTIMATE.start_main_~y~4 184), 157518#(<= ULTIMATE.start_main_~y~4 189), 157519#(<= ULTIMATE.start_main_~y~4 190), 157516#(<= ULTIMATE.start_main_~y~4 187), 157517#(<= ULTIMATE.start_main_~y~4 188), 157522#(<= ULTIMATE.start_main_~y~4 193), 157523#(<= ULTIMATE.start_main_~y~4 194), 157520#(<= ULTIMATE.start_main_~y~4 191), 157521#(<= ULTIMATE.start_main_~y~4 192), 157526#(<= ULTIMATE.start_main_~y~4 197), 157527#(<= ULTIMATE.start_main_~y~4 198), 157524#(<= ULTIMATE.start_main_~y~4 195), 157525#(<= ULTIMATE.start_main_~y~4 196), 157530#(<= ULTIMATE.start_main_~y~4 201), 157531#(<= ULTIMATE.start_main_~y~4 202), 157528#(<= ULTIMATE.start_main_~y~4 199), 157529#(<= ULTIMATE.start_main_~y~4 200), 157534#(<= ULTIMATE.start_main_~y~4 205), 157535#(<= ULTIMATE.start_main_~y~4 206), 157532#(<= ULTIMATE.start_main_~y~4 203), 157533#(<= ULTIMATE.start_main_~y~4 204), 157538#(<= ULTIMATE.start_main_~y~4 209), 157539#(<= ULTIMATE.start_main_~y~4 210), 157536#(<= ULTIMATE.start_main_~y~4 207), 157537#(<= ULTIMATE.start_main_~y~4 208), 157542#(<= ULTIMATE.start_main_~y~4 213), 157543#(<= ULTIMATE.start_main_~y~4 214), 157540#(<= ULTIMATE.start_main_~y~4 211), 157541#(<= ULTIMATE.start_main_~y~4 212), 157546#(<= ULTIMATE.start_main_~y~4 217), 157547#(<= ULTIMATE.start_main_~y~4 218), 157544#(<= ULTIMATE.start_main_~y~4 215), 157545#(<= ULTIMATE.start_main_~y~4 216), 157550#(<= ULTIMATE.start_main_~y~4 221), 157551#(<= ULTIMATE.start_main_~y~4 222), 157548#(<= ULTIMATE.start_main_~y~4 219), 157549#(<= ULTIMATE.start_main_~y~4 220), 157554#(<= ULTIMATE.start_main_~y~4 225), 157555#(<= ULTIMATE.start_main_~y~4 226), 157552#(<= ULTIMATE.start_main_~y~4 223), 157553#(<= ULTIMATE.start_main_~y~4 224), 157558#(<= ULTIMATE.start_main_~y~4 229), 157559#(<= ULTIMATE.start_main_~y~4 230), 157556#(<= ULTIMATE.start_main_~y~4 227), 157557#(<= ULTIMATE.start_main_~y~4 228), 157562#(<= ULTIMATE.start_main_~y~4 233), 157563#(<= ULTIMATE.start_main_~y~4 234), 157560#(<= ULTIMATE.start_main_~y~4 231), 157561#(<= ULTIMATE.start_main_~y~4 232), 157566#(<= ULTIMATE.start_main_~y~4 237), 157567#(<= ULTIMATE.start_main_~y~4 238), 157564#(<= ULTIMATE.start_main_~y~4 235), 157565#(<= ULTIMATE.start_main_~y~4 236), 157570#(<= ULTIMATE.start_main_~y~4 241), 157571#(<= ULTIMATE.start_main_~y~4 242), 157568#(<= ULTIMATE.start_main_~y~4 239), 157569#(<= ULTIMATE.start_main_~y~4 240), 157574#(<= ULTIMATE.start_main_~y~4 245), 157575#(<= ULTIMATE.start_main_~y~4 246), 157572#(<= ULTIMATE.start_main_~y~4 243), 157573#(<= ULTIMATE.start_main_~y~4 244)] [2018-07-23 13:41:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30381 backedges. 0 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,253 INFO L450 AbstractCegarLoop]: Interpolant automaton has 249 states [2018-07-23 13:41:24,258 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2018-07-23 13:41:24,261 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30876, Invalid=30876, Unknown=0, NotChecked=0, Total=61752 [2018-07-23 13:41:24,261 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand 249 states. [2018-07-23 13:41:25,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:25,939 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:41:25,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2018-07-23 13:41:25,940 INFO L78 Accepts]: Start accepts. Automaton has 249 states. Word has length 249 [2018-07-23 13:41:25,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:25,940 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:41:25,940 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:41:25,944 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 247 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=30876, Invalid=30876, Unknown=0, NotChecked=0, Total=61752 [2018-07-23 13:41:25,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:41:25,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:41:25,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:41:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:41:25,946 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 249 [2018-07-23 13:41:25,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:25,947 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:41:25,947 INFO L472 AbstractCegarLoop]: Interpolant automaton has 249 states. [2018-07-23 13:41:25,947 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:41:25,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:41:25,947 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:25,947 INFO L357 BasicCegarLoop]: trace histogram [247, 1, 1, 1] [2018-07-23 13:41:25,948 INFO L414 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:25,948 INFO L82 PathProgramCache]: Analyzing trace with hash 522356748, now seen corresponding path program 247 times [2018-07-23 13:41:25,948 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:27,553 INFO L134 CoverageAnalysis]: Checked inductivity of 30628 backedges. 0 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,554 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:27,554 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [249] total 249 [2018-07-23 13:41:27,554 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,555 INFO L185 omatonBuilderFactory]: Interpolants [158722#(<= ULTIMATE.start_main_~y~4 136), 158723#(<= ULTIMATE.start_main_~y~4 137), 158720#(<= ULTIMATE.start_main_~y~4 134), 158721#(<= ULTIMATE.start_main_~y~4 135), 158726#(<= ULTIMATE.start_main_~y~4 140), 158727#(<= ULTIMATE.start_main_~y~4 141), 158724#(<= ULTIMATE.start_main_~y~4 138), 158725#(<= ULTIMATE.start_main_~y~4 139), 158730#(<= ULTIMATE.start_main_~y~4 144), 158731#(<= ULTIMATE.start_main_~y~4 145), 158728#(<= ULTIMATE.start_main_~y~4 142), 158729#(<= ULTIMATE.start_main_~y~4 143), 158734#(<= ULTIMATE.start_main_~y~4 148), 158735#(<= ULTIMATE.start_main_~y~4 149), 158732#(<= ULTIMATE.start_main_~y~4 146), 158733#(<= ULTIMATE.start_main_~y~4 147), 158738#(<= ULTIMATE.start_main_~y~4 152), 158739#(<= ULTIMATE.start_main_~y~4 153), 158736#(<= ULTIMATE.start_main_~y~4 150), 158737#(<= ULTIMATE.start_main_~y~4 151), 158742#(<= ULTIMATE.start_main_~y~4 156), 158743#(<= ULTIMATE.start_main_~y~4 157), 158740#(<= ULTIMATE.start_main_~y~4 154), 158741#(<= ULTIMATE.start_main_~y~4 155), 158746#(<= ULTIMATE.start_main_~y~4 160), 158747#(<= ULTIMATE.start_main_~y~4 161), 158744#(<= ULTIMATE.start_main_~y~4 158), 158745#(<= ULTIMATE.start_main_~y~4 159), 158750#(<= ULTIMATE.start_main_~y~4 164), 158751#(<= ULTIMATE.start_main_~y~4 165), 158748#(<= ULTIMATE.start_main_~y~4 162), 158749#(<= ULTIMATE.start_main_~y~4 163), 158754#(<= ULTIMATE.start_main_~y~4 168), 158755#(<= ULTIMATE.start_main_~y~4 169), 158752#(<= ULTIMATE.start_main_~y~4 166), 158753#(<= ULTIMATE.start_main_~y~4 167), 158758#(<= ULTIMATE.start_main_~y~4 172), 158759#(<= ULTIMATE.start_main_~y~4 173), 158756#(<= ULTIMATE.start_main_~y~4 170), 158757#(<= ULTIMATE.start_main_~y~4 171), 158762#(<= ULTIMATE.start_main_~y~4 176), 158763#(<= ULTIMATE.start_main_~y~4 177), 158760#(<= ULTIMATE.start_main_~y~4 174), 158761#(<= ULTIMATE.start_main_~y~4 175), 158766#(<= ULTIMATE.start_main_~y~4 180), 158767#(<= ULTIMATE.start_main_~y~4 181), 158764#(<= ULTIMATE.start_main_~y~4 178), 158765#(<= ULTIMATE.start_main_~y~4 179), 158770#(<= ULTIMATE.start_main_~y~4 184), 158771#(<= ULTIMATE.start_main_~y~4 185), 158768#(<= ULTIMATE.start_main_~y~4 182), 158769#(<= ULTIMATE.start_main_~y~4 183), 158774#(<= ULTIMATE.start_main_~y~4 188), 158775#(<= ULTIMATE.start_main_~y~4 189), 158772#(<= ULTIMATE.start_main_~y~4 186), 158773#(<= ULTIMATE.start_main_~y~4 187), 158778#(<= ULTIMATE.start_main_~y~4 192), 158779#(<= ULTIMATE.start_main_~y~4 193), 158776#(<= ULTIMATE.start_main_~y~4 190), 158777#(<= ULTIMATE.start_main_~y~4 191), 158782#(<= ULTIMATE.start_main_~y~4 196), 158783#(<= ULTIMATE.start_main_~y~4 197), 158780#(<= ULTIMATE.start_main_~y~4 194), 158781#(<= ULTIMATE.start_main_~y~4 195), 158786#(<= ULTIMATE.start_main_~y~4 200), 158787#(<= ULTIMATE.start_main_~y~4 201), 158784#(<= ULTIMATE.start_main_~y~4 198), 158785#(<= ULTIMATE.start_main_~y~4 199), 158790#(<= ULTIMATE.start_main_~y~4 204), 158791#(<= ULTIMATE.start_main_~y~4 205), 158788#(<= ULTIMATE.start_main_~y~4 202), 158789#(<= ULTIMATE.start_main_~y~4 203), 158794#(<= ULTIMATE.start_main_~y~4 208), 158795#(<= ULTIMATE.start_main_~y~4 209), 158792#(<= ULTIMATE.start_main_~y~4 206), 158793#(<= ULTIMATE.start_main_~y~4 207), 158798#(<= ULTIMATE.start_main_~y~4 212), 158799#(<= ULTIMATE.start_main_~y~4 213), 158796#(<= ULTIMATE.start_main_~y~4 210), 158797#(<= ULTIMATE.start_main_~y~4 211), 158802#(<= ULTIMATE.start_main_~y~4 216), 158803#(<= ULTIMATE.start_main_~y~4 217), 158800#(<= ULTIMATE.start_main_~y~4 214), 158801#(<= ULTIMATE.start_main_~y~4 215), 158806#(<= ULTIMATE.start_main_~y~4 220), 158807#(<= ULTIMATE.start_main_~y~4 221), 158804#(<= ULTIMATE.start_main_~y~4 218), 158805#(<= ULTIMATE.start_main_~y~4 219), 158810#(<= ULTIMATE.start_main_~y~4 224), 158811#(<= ULTIMATE.start_main_~y~4 225), 158808#(<= ULTIMATE.start_main_~y~4 222), 158809#(<= ULTIMATE.start_main_~y~4 223), 158814#(<= ULTIMATE.start_main_~y~4 228), 158815#(<= ULTIMATE.start_main_~y~4 229), 158812#(<= ULTIMATE.start_main_~y~4 226), 158813#(<= ULTIMATE.start_main_~y~4 227), 158818#(<= ULTIMATE.start_main_~y~4 232), 158819#(<= ULTIMATE.start_main_~y~4 233), 158816#(<= ULTIMATE.start_main_~y~4 230), 158817#(<= ULTIMATE.start_main_~y~4 231), 158822#(<= ULTIMATE.start_main_~y~4 236), 158823#(<= ULTIMATE.start_main_~y~4 237), 158820#(<= ULTIMATE.start_main_~y~4 234), 158821#(<= ULTIMATE.start_main_~y~4 235), 158826#(<= ULTIMATE.start_main_~y~4 240), 158827#(<= ULTIMATE.start_main_~y~4 241), 158824#(<= ULTIMATE.start_main_~y~4 238), 158825#(<= ULTIMATE.start_main_~y~4 239), 158830#(<= ULTIMATE.start_main_~y~4 244), 158831#(<= ULTIMATE.start_main_~y~4 245), 158828#(<= ULTIMATE.start_main_~y~4 242), 158829#(<= ULTIMATE.start_main_~y~4 243), 158832#(<= ULTIMATE.start_main_~y~4 246), 158833#(<= ULTIMATE.start_main_~y~4 247), 158586#(<= ULTIMATE.start_main_~y~4 0), 158587#(<= ULTIMATE.start_main_~y~4 1), 158584#true, 158585#false, 158590#(<= ULTIMATE.start_main_~y~4 4), 158591#(<= ULTIMATE.start_main_~y~4 5), 158588#(<= ULTIMATE.start_main_~y~4 2), 158589#(<= ULTIMATE.start_main_~y~4 3), 158594#(<= ULTIMATE.start_main_~y~4 8), 158595#(<= ULTIMATE.start_main_~y~4 9), 158592#(<= ULTIMATE.start_main_~y~4 6), 158593#(<= ULTIMATE.start_main_~y~4 7), 158598#(<= ULTIMATE.start_main_~y~4 12), 158599#(<= ULTIMATE.start_main_~y~4 13), 158596#(<= ULTIMATE.start_main_~y~4 10), 158597#(<= ULTIMATE.start_main_~y~4 11), 158602#(<= ULTIMATE.start_main_~y~4 16), 158603#(<= ULTIMATE.start_main_~y~4 17), 158600#(<= ULTIMATE.start_main_~y~4 14), 158601#(<= ULTIMATE.start_main_~y~4 15), 158606#(<= ULTIMATE.start_main_~y~4 20), 158607#(<= ULTIMATE.start_main_~y~4 21), 158604#(<= ULTIMATE.start_main_~y~4 18), 158605#(<= ULTIMATE.start_main_~y~4 19), 158610#(<= ULTIMATE.start_main_~y~4 24), 158611#(<= ULTIMATE.start_main_~y~4 25), 158608#(<= ULTIMATE.start_main_~y~4 22), 158609#(<= ULTIMATE.start_main_~y~4 23), 158614#(<= ULTIMATE.start_main_~y~4 28), 158615#(<= ULTIMATE.start_main_~y~4 29), 158612#(<= ULTIMATE.start_main_~y~4 26), 158613#(<= ULTIMATE.start_main_~y~4 27), 158618#(<= ULTIMATE.start_main_~y~4 32), 158619#(<= ULTIMATE.start_main_~y~4 33), 158616#(<= ULTIMATE.start_main_~y~4 30), 158617#(<= ULTIMATE.start_main_~y~4 31), 158622#(<= ULTIMATE.start_main_~y~4 36), 158623#(<= ULTIMATE.start_main_~y~4 37), 158620#(<= ULTIMATE.start_main_~y~4 34), 158621#(<= ULTIMATE.start_main_~y~4 35), 158626#(<= ULTIMATE.start_main_~y~4 40), 158627#(<= ULTIMATE.start_main_~y~4 41), 158624#(<= ULTIMATE.start_main_~y~4 38), 158625#(<= ULTIMATE.start_main_~y~4 39), 158630#(<= ULTIMATE.start_main_~y~4 44), 158631#(<= ULTIMATE.start_main_~y~4 45), 158628#(<= ULTIMATE.start_main_~y~4 42), 158629#(<= ULTIMATE.start_main_~y~4 43), 158634#(<= ULTIMATE.start_main_~y~4 48), 158635#(<= ULTIMATE.start_main_~y~4 49), 158632#(<= ULTIMATE.start_main_~y~4 46), 158633#(<= ULTIMATE.start_main_~y~4 47), 158638#(<= ULTIMATE.start_main_~y~4 52), 158639#(<= ULTIMATE.start_main_~y~4 53), 158636#(<= ULTIMATE.start_main_~y~4 50), 158637#(<= ULTIMATE.start_main_~y~4 51), 158642#(<= ULTIMATE.start_main_~y~4 56), 158643#(<= ULTIMATE.start_main_~y~4 57), 158640#(<= ULTIMATE.start_main_~y~4 54), 158641#(<= ULTIMATE.start_main_~y~4 55), 158646#(<= ULTIMATE.start_main_~y~4 60), 158647#(<= ULTIMATE.start_main_~y~4 61), 158644#(<= ULTIMATE.start_main_~y~4 58), 158645#(<= ULTIMATE.start_main_~y~4 59), 158650#(<= ULTIMATE.start_main_~y~4 64), 158651#(<= ULTIMATE.start_main_~y~4 65), 158648#(<= ULTIMATE.start_main_~y~4 62), 158649#(<= ULTIMATE.start_main_~y~4 63), 158654#(<= ULTIMATE.start_main_~y~4 68), 158655#(<= ULTIMATE.start_main_~y~4 69), 158652#(<= ULTIMATE.start_main_~y~4 66), 158653#(<= ULTIMATE.start_main_~y~4 67), 158658#(<= ULTIMATE.start_main_~y~4 72), 158659#(<= ULTIMATE.start_main_~y~4 73), 158656#(<= ULTIMATE.start_main_~y~4 70), 158657#(<= ULTIMATE.start_main_~y~4 71), 158662#(<= ULTIMATE.start_main_~y~4 76), 158663#(<= ULTIMATE.start_main_~y~4 77), 158660#(<= ULTIMATE.start_main_~y~4 74), 158661#(<= ULTIMATE.start_main_~y~4 75), 158666#(<= ULTIMATE.start_main_~y~4 80), 158667#(<= ULTIMATE.start_main_~y~4 81), 158664#(<= ULTIMATE.start_main_~y~4 78), 158665#(<= ULTIMATE.start_main_~y~4 79), 158670#(<= ULTIMATE.start_main_~y~4 84), 158671#(<= ULTIMATE.start_main_~y~4 85), 158668#(<= ULTIMATE.start_main_~y~4 82), 158669#(<= ULTIMATE.start_main_~y~4 83), 158674#(<= ULTIMATE.start_main_~y~4 88), 158675#(<= ULTIMATE.start_main_~y~4 89), 158672#(<= ULTIMATE.start_main_~y~4 86), 158673#(<= ULTIMATE.start_main_~y~4 87), 158678#(<= ULTIMATE.start_main_~y~4 92), 158679#(<= ULTIMATE.start_main_~y~4 93), 158676#(<= ULTIMATE.start_main_~y~4 90), 158677#(<= ULTIMATE.start_main_~y~4 91), 158682#(<= ULTIMATE.start_main_~y~4 96), 158683#(<= ULTIMATE.start_main_~y~4 97), 158680#(<= ULTIMATE.start_main_~y~4 94), 158681#(<= ULTIMATE.start_main_~y~4 95), 158686#(<= ULTIMATE.start_main_~y~4 100), 158687#(<= ULTIMATE.start_main_~y~4 101), 158684#(<= ULTIMATE.start_main_~y~4 98), 158685#(<= ULTIMATE.start_main_~y~4 99), 158690#(<= ULTIMATE.start_main_~y~4 104), 158691#(<= ULTIMATE.start_main_~y~4 105), 158688#(<= ULTIMATE.start_main_~y~4 102), 158689#(<= ULTIMATE.start_main_~y~4 103), 158694#(<= ULTIMATE.start_main_~y~4 108), 158695#(<= ULTIMATE.start_main_~y~4 109), 158692#(<= ULTIMATE.start_main_~y~4 106), 158693#(<= ULTIMATE.start_main_~y~4 107), 158698#(<= ULTIMATE.start_main_~y~4 112), 158699#(<= ULTIMATE.start_main_~y~4 113), 158696#(<= ULTIMATE.start_main_~y~4 110), 158697#(<= ULTIMATE.start_main_~y~4 111), 158702#(<= ULTIMATE.start_main_~y~4 116), 158703#(<= ULTIMATE.start_main_~y~4 117), 158700#(<= ULTIMATE.start_main_~y~4 114), 158701#(<= ULTIMATE.start_main_~y~4 115), 158706#(<= ULTIMATE.start_main_~y~4 120), 158707#(<= ULTIMATE.start_main_~y~4 121), 158704#(<= ULTIMATE.start_main_~y~4 118), 158705#(<= ULTIMATE.start_main_~y~4 119), 158710#(<= ULTIMATE.start_main_~y~4 124), 158711#(<= ULTIMATE.start_main_~y~4 125), 158708#(<= ULTIMATE.start_main_~y~4 122), 158709#(<= ULTIMATE.start_main_~y~4 123), 158714#(<= ULTIMATE.start_main_~y~4 128), 158715#(<= ULTIMATE.start_main_~y~4 129), 158712#(<= ULTIMATE.start_main_~y~4 126), 158713#(<= ULTIMATE.start_main_~y~4 127), 158718#(<= ULTIMATE.start_main_~y~4 132), 158719#(<= ULTIMATE.start_main_~y~4 133), 158716#(<= ULTIMATE.start_main_~y~4 130), 158717#(<= ULTIMATE.start_main_~y~4 131)] [2018-07-23 13:41:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30628 backedges. 0 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,557 INFO L450 AbstractCegarLoop]: Interpolant automaton has 250 states [2018-07-23 13:41:27,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 250 interpolants. [2018-07-23 13:41:27,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31125, Invalid=31125, Unknown=0, NotChecked=0, Total=62250 [2018-07-23 13:41:27,564 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand 250 states. [2018-07-23 13:41:28,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:28,242 INFO L93 Difference]: Finished difference Result 254 states and 254 transitions. [2018-07-23 13:41:28,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2018-07-23 13:41:28,243 INFO L78 Accepts]: Start accepts. Automaton has 250 states. Word has length 250 [2018-07-23 13:41:28,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:28,243 INFO L225 Difference]: With dead ends: 254 [2018-07-23 13:41:28,243 INFO L226 Difference]: Without dead ends: 252 [2018-07-23 13:41:28,246 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=31125, Invalid=31125, Unknown=0, NotChecked=0, Total=62250 [2018-07-23 13:41:28,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-07-23 13:41:28,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2018-07-23 13:41:28,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-07-23 13:41:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 252 transitions. [2018-07-23 13:41:28,248 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 252 transitions. Word has length 250 [2018-07-23 13:41:28,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:28,249 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 252 transitions. [2018-07-23 13:41:28,249 INFO L472 AbstractCegarLoop]: Interpolant automaton has 250 states. [2018-07-23 13:41:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 252 transitions. [2018-07-23 13:41:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-07-23 13:41:28,249 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:28,249 INFO L357 BasicCegarLoop]: trace histogram [248, 1, 1, 1] [2018-07-23 13:41:28,250 INFO L414 AbstractCegarLoop]: === Iteration 249 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:28,250 INFO L82 PathProgramCache]: Analyzing trace with hash -986808189, now seen corresponding path program 248 times [2018-07-23 13:41:28,250 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 30876 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,859 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,859 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [250] total 250 [2018-07-23 13:41:29,859 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,860 INFO L185 omatonBuilderFactory]: Interpolants [159846#true, 159847#false, 159850#(<= ULTIMATE.start_main_~y~4 2), 159851#(<= ULTIMATE.start_main_~y~4 3), 159848#(<= ULTIMATE.start_main_~y~4 0), 159849#(<= ULTIMATE.start_main_~y~4 1), 159854#(<= ULTIMATE.start_main_~y~4 6), 159855#(<= ULTIMATE.start_main_~y~4 7), 159852#(<= ULTIMATE.start_main_~y~4 4), 159853#(<= ULTIMATE.start_main_~y~4 5), 159858#(<= ULTIMATE.start_main_~y~4 10), 159859#(<= ULTIMATE.start_main_~y~4 11), 159856#(<= ULTIMATE.start_main_~y~4 8), 159857#(<= ULTIMATE.start_main_~y~4 9), 159862#(<= ULTIMATE.start_main_~y~4 14), 159863#(<= ULTIMATE.start_main_~y~4 15), 159860#(<= ULTIMATE.start_main_~y~4 12), 159861#(<= ULTIMATE.start_main_~y~4 13), 159866#(<= ULTIMATE.start_main_~y~4 18), 159867#(<= ULTIMATE.start_main_~y~4 19), 159864#(<= ULTIMATE.start_main_~y~4 16), 159865#(<= ULTIMATE.start_main_~y~4 17), 159870#(<= ULTIMATE.start_main_~y~4 22), 159871#(<= ULTIMATE.start_main_~y~4 23), 159868#(<= ULTIMATE.start_main_~y~4 20), 159869#(<= ULTIMATE.start_main_~y~4 21), 159874#(<= ULTIMATE.start_main_~y~4 26), 159875#(<= ULTIMATE.start_main_~y~4 27), 159872#(<= ULTIMATE.start_main_~y~4 24), 159873#(<= ULTIMATE.start_main_~y~4 25), 159878#(<= ULTIMATE.start_main_~y~4 30), 159879#(<= ULTIMATE.start_main_~y~4 31), 159876#(<= ULTIMATE.start_main_~y~4 28), 159877#(<= ULTIMATE.start_main_~y~4 29), 159882#(<= ULTIMATE.start_main_~y~4 34), 159883#(<= ULTIMATE.start_main_~y~4 35), 159880#(<= ULTIMATE.start_main_~y~4 32), 159881#(<= ULTIMATE.start_main_~y~4 33), 159886#(<= ULTIMATE.start_main_~y~4 38), 159887#(<= ULTIMATE.start_main_~y~4 39), 159884#(<= ULTIMATE.start_main_~y~4 36), 159885#(<= ULTIMATE.start_main_~y~4 37), 159890#(<= ULTIMATE.start_main_~y~4 42), 159891#(<= ULTIMATE.start_main_~y~4 43), 159888#(<= ULTIMATE.start_main_~y~4 40), 159889#(<= ULTIMATE.start_main_~y~4 41), 159894#(<= ULTIMATE.start_main_~y~4 46), 159895#(<= ULTIMATE.start_main_~y~4 47), 159892#(<= ULTIMATE.start_main_~y~4 44), 159893#(<= ULTIMATE.start_main_~y~4 45), 159898#(<= ULTIMATE.start_main_~y~4 50), 159899#(<= ULTIMATE.start_main_~y~4 51), 159896#(<= ULTIMATE.start_main_~y~4 48), 159897#(<= ULTIMATE.start_main_~y~4 49), 159902#(<= ULTIMATE.start_main_~y~4 54), 159903#(<= ULTIMATE.start_main_~y~4 55), 159900#(<= ULTIMATE.start_main_~y~4 52), 159901#(<= ULTIMATE.start_main_~y~4 53), 159906#(<= ULTIMATE.start_main_~y~4 58), 159907#(<= ULTIMATE.start_main_~y~4 59), 159904#(<= ULTIMATE.start_main_~y~4 56), 159905#(<= ULTIMATE.start_main_~y~4 57), 159910#(<= ULTIMATE.start_main_~y~4 62), 159911#(<= ULTIMATE.start_main_~y~4 63), 159908#(<= ULTIMATE.start_main_~y~4 60), 159909#(<= ULTIMATE.start_main_~y~4 61), 159914#(<= ULTIMATE.start_main_~y~4 66), 159915#(<= ULTIMATE.start_main_~y~4 67), 159912#(<= ULTIMATE.start_main_~y~4 64), 159913#(<= ULTIMATE.start_main_~y~4 65), 159918#(<= ULTIMATE.start_main_~y~4 70), 159919#(<= ULTIMATE.start_main_~y~4 71), 159916#(<= ULTIMATE.start_main_~y~4 68), 159917#(<= ULTIMATE.start_main_~y~4 69), 159922#(<= ULTIMATE.start_main_~y~4 74), 159923#(<= ULTIMATE.start_main_~y~4 75), 159920#(<= ULTIMATE.start_main_~y~4 72), 159921#(<= ULTIMATE.start_main_~y~4 73), 159926#(<= ULTIMATE.start_main_~y~4 78), 159927#(<= ULTIMATE.start_main_~y~4 79), 159924#(<= ULTIMATE.start_main_~y~4 76), 159925#(<= ULTIMATE.start_main_~y~4 77), 159930#(<= ULTIMATE.start_main_~y~4 82), 159931#(<= ULTIMATE.start_main_~y~4 83), 159928#(<= ULTIMATE.start_main_~y~4 80), 159929#(<= ULTIMATE.start_main_~y~4 81), 159934#(<= ULTIMATE.start_main_~y~4 86), 159935#(<= ULTIMATE.start_main_~y~4 87), 159932#(<= ULTIMATE.start_main_~y~4 84), 159933#(<= ULTIMATE.start_main_~y~4 85), 159938#(<= ULTIMATE.start_main_~y~4 90), 159939#(<= ULTIMATE.start_main_~y~4 91), 159936#(<= ULTIMATE.start_main_~y~4 88), 159937#(<= ULTIMATE.start_main_~y~4 89), 159942#(<= ULTIMATE.start_main_~y~4 94), 159943#(<= ULTIMATE.start_main_~y~4 95), 159940#(<= ULTIMATE.start_main_~y~4 92), 159941#(<= ULTIMATE.start_main_~y~4 93), 159946#(<= ULTIMATE.start_main_~y~4 98), 159947#(<= ULTIMATE.start_main_~y~4 99), 159944#(<= ULTIMATE.start_main_~y~4 96), 159945#(<= ULTIMATE.start_main_~y~4 97), 159950#(<= ULTIMATE.start_main_~y~4 102), 159951#(<= ULTIMATE.start_main_~y~4 103), 159948#(<= ULTIMATE.start_main_~y~4 100), 159949#(<= ULTIMATE.start_main_~y~4 101), 159954#(<= ULTIMATE.start_main_~y~4 106), 159955#(<= ULTIMATE.start_main_~y~4 107), 159952#(<= ULTIMATE.start_main_~y~4 104), 159953#(<= ULTIMATE.start_main_~y~4 105), 159958#(<= ULTIMATE.start_main_~y~4 110), 159959#(<= ULTIMATE.start_main_~y~4 111), 159956#(<= ULTIMATE.start_main_~y~4 108), 159957#(<= ULTIMATE.start_main_~y~4 109), 159962#(<= ULTIMATE.start_main_~y~4 114), 159963#(<= ULTIMATE.start_main_~y~4 115), 159960#(<= ULTIMATE.start_main_~y~4 112), 159961#(<= ULTIMATE.start_main_~y~4 113), 159966#(<= ULTIMATE.start_main_~y~4 118), 159967#(<= ULTIMATE.start_main_~y~4 119), 159964#(<= ULTIMATE.start_main_~y~4 116), 159965#(<= ULTIMATE.start_main_~y~4 117), 159970#(<= ULTIMATE.start_main_~y~4 122), 159971#(<= ULTIMATE.start_main_~y~4 123), 159968#(<= ULTIMATE.start_main_~y~4 120), 159969#(<= ULTIMATE.start_main_~y~4 121), 159974#(<= ULTIMATE.start_main_~y~4 126), 159975#(<= ULTIMATE.start_main_~y~4 127), 159972#(<= ULTIMATE.start_main_~y~4 124), 159973#(<= ULTIMATE.start_main_~y~4 125), 159978#(<= ULTIMATE.start_main_~y~4 130), 159979#(<= ULTIMATE.start_main_~y~4 131), 159976#(<= ULTIMATE.start_main_~y~4 128), 159977#(<= ULTIMATE.start_main_~y~4 129), 159982#(<= ULTIMATE.start_main_~y~4 134), 159983#(<= ULTIMATE.start_main_~y~4 135), 159980#(<= ULTIMATE.start_main_~y~4 132), 159981#(<= ULTIMATE.start_main_~y~4 133), 159986#(<= ULTIMATE.start_main_~y~4 138), 159987#(<= ULTIMATE.start_main_~y~4 139), 159984#(<= ULTIMATE.start_main_~y~4 136), 159985#(<= ULTIMATE.start_main_~y~4 137), 159990#(<= ULTIMATE.start_main_~y~4 142), 159991#(<= ULTIMATE.start_main_~y~4 143), 159988#(<= ULTIMATE.start_main_~y~4 140), 159989#(<= ULTIMATE.start_main_~y~4 141), 159994#(<= ULTIMATE.start_main_~y~4 146), 159995#(<= ULTIMATE.start_main_~y~4 147), 159992#(<= ULTIMATE.start_main_~y~4 144), 159993#(<= ULTIMATE.start_main_~y~4 145), 159998#(<= ULTIMATE.start_main_~y~4 150), 159999#(<= ULTIMATE.start_main_~y~4 151), 159996#(<= ULTIMATE.start_main_~y~4 148), 159997#(<= ULTIMATE.start_main_~y~4 149), 160002#(<= ULTIMATE.start_main_~y~4 154), 160003#(<= ULTIMATE.start_main_~y~4 155), 160000#(<= ULTIMATE.start_main_~y~4 152), 160001#(<= ULTIMATE.start_main_~y~4 153), 160006#(<= ULTIMATE.start_main_~y~4 158), 160007#(<= ULTIMATE.start_main_~y~4 159), 160004#(<= ULTIMATE.start_main_~y~4 156), 160005#(<= ULTIMATE.start_main_~y~4 157), 160010#(<= ULTIMATE.start_main_~y~4 162), 160011#(<= ULTIMATE.start_main_~y~4 163), 160008#(<= ULTIMATE.start_main_~y~4 160), 160009#(<= ULTIMATE.start_main_~y~4 161), 160014#(<= ULTIMATE.start_main_~y~4 166), 160015#(<= ULTIMATE.start_main_~y~4 167), 160012#(<= ULTIMATE.start_main_~y~4 164), 160013#(<= ULTIMATE.start_main_~y~4 165), 160018#(<= ULTIMATE.start_main_~y~4 170), 160019#(<= ULTIMATE.start_main_~y~4 171), 160016#(<= ULTIMATE.start_main_~y~4 168), 160017#(<= ULTIMATE.start_main_~y~4 169), 160022#(<= ULTIMATE.start_main_~y~4 174), 160023#(<= ULTIMATE.start_main_~y~4 175), 160020#(<= ULTIMATE.start_main_~y~4 172), 160021#(<= ULTIMATE.start_main_~y~4 173), 160026#(<= ULTIMATE.start_main_~y~4 178), 160027#(<= ULTIMATE.start_main_~y~4 179), 160024#(<= ULTIMATE.start_main_~y~4 176), 160025#(<= ULTIMATE.start_main_~y~4 177), 160030#(<= ULTIMATE.start_main_~y~4 182), 160031#(<= ULTIMATE.start_main_~y~4 183), 160028#(<= ULTIMATE.start_main_~y~4 180), 160029#(<= ULTIMATE.start_main_~y~4 181), 160034#(<= ULTIMATE.start_main_~y~4 186), 160035#(<= ULTIMATE.start_main_~y~4 187), 160032#(<= ULTIMATE.start_main_~y~4 184), 160033#(<= ULTIMATE.start_main_~y~4 185), 160038#(<= ULTIMATE.start_main_~y~4 190), 160039#(<= ULTIMATE.start_main_~y~4 191), 160036#(<= ULTIMATE.start_main_~y~4 188), 160037#(<= ULTIMATE.start_main_~y~4 189), 160042#(<= ULTIMATE.start_main_~y~4 194), 160043#(<= ULTIMATE.start_main_~y~4 195), 160040#(<= ULTIMATE.start_main_~y~4 192), 160041#(<= ULTIMATE.start_main_~y~4 193), 160046#(<= ULTIMATE.start_main_~y~4 198), 160047#(<= ULTIMATE.start_main_~y~4 199), 160044#(<= ULTIMATE.start_main_~y~4 196), 160045#(<= ULTIMATE.start_main_~y~4 197), 160050#(<= ULTIMATE.start_main_~y~4 202), 160051#(<= ULTIMATE.start_main_~y~4 203), 160048#(<= ULTIMATE.start_main_~y~4 200), 160049#(<= ULTIMATE.start_main_~y~4 201), 160054#(<= ULTIMATE.start_main_~y~4 206), 160055#(<= ULTIMATE.start_main_~y~4 207), 160052#(<= ULTIMATE.start_main_~y~4 204), 160053#(<= ULTIMATE.start_main_~y~4 205), 160058#(<= ULTIMATE.start_main_~y~4 210), 160059#(<= ULTIMATE.start_main_~y~4 211), 160056#(<= ULTIMATE.start_main_~y~4 208), 160057#(<= ULTIMATE.start_main_~y~4 209), 160062#(<= ULTIMATE.start_main_~y~4 214), 160063#(<= ULTIMATE.start_main_~y~4 215), 160060#(<= ULTIMATE.start_main_~y~4 212), 160061#(<= ULTIMATE.start_main_~y~4 213), 160066#(<= ULTIMATE.start_main_~y~4 218), 160067#(<= ULTIMATE.start_main_~y~4 219), 160064#(<= ULTIMATE.start_main_~y~4 216), 160065#(<= ULTIMATE.start_main_~y~4 217), 160070#(<= ULTIMATE.start_main_~y~4 222), 160071#(<= ULTIMATE.start_main_~y~4 223), 160068#(<= ULTIMATE.start_main_~y~4 220), 160069#(<= ULTIMATE.start_main_~y~4 221), 160074#(<= ULTIMATE.start_main_~y~4 226), 160075#(<= ULTIMATE.start_main_~y~4 227), 160072#(<= ULTIMATE.start_main_~y~4 224), 160073#(<= ULTIMATE.start_main_~y~4 225), 160078#(<= ULTIMATE.start_main_~y~4 230), 160079#(<= ULTIMATE.start_main_~y~4 231), 160076#(<= ULTIMATE.start_main_~y~4 228), 160077#(<= ULTIMATE.start_main_~y~4 229), 160082#(<= ULTIMATE.start_main_~y~4 234), 160083#(<= ULTIMATE.start_main_~y~4 235), 160080#(<= ULTIMATE.start_main_~y~4 232), 160081#(<= ULTIMATE.start_main_~y~4 233), 160086#(<= ULTIMATE.start_main_~y~4 238), 160087#(<= ULTIMATE.start_main_~y~4 239), 160084#(<= ULTIMATE.start_main_~y~4 236), 160085#(<= ULTIMATE.start_main_~y~4 237), 160090#(<= ULTIMATE.start_main_~y~4 242), 160091#(<= ULTIMATE.start_main_~y~4 243), 160088#(<= ULTIMATE.start_main_~y~4 240), 160089#(<= ULTIMATE.start_main_~y~4 241), 160094#(<= ULTIMATE.start_main_~y~4 246), 160095#(<= ULTIMATE.start_main_~y~4 247), 160092#(<= ULTIMATE.start_main_~y~4 244), 160093#(<= ULTIMATE.start_main_~y~4 245), 160096#(<= ULTIMATE.start_main_~y~4 248)] [2018-07-23 13:41:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 30876 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,862 INFO L450 AbstractCegarLoop]: Interpolant automaton has 251 states [2018-07-23 13:41:29,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2018-07-23 13:41:29,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31375, Invalid=31375, Unknown=0, NotChecked=0, Total=62750 [2018-07-23 13:41:29,871 INFO L87 Difference]: Start difference. First operand 252 states and 252 transitions. Second operand 251 states. [2018-07-23 13:41:32,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:32,176 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2018-07-23 13:41:32,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2018-07-23 13:41:32,176 INFO L78 Accepts]: Start accepts. Automaton has 251 states. Word has length 251 [2018-07-23 13:41:32,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:32,177 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:41:32,177 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:41:32,180 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 249 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=31375, Invalid=31375, Unknown=0, NotChecked=0, Total=62750 [2018-07-23 13:41:32,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:41:32,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:41:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:41:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2018-07-23 13:41:32,183 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 251 [2018-07-23 13:41:32,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:32,184 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2018-07-23 13:41:32,184 INFO L472 AbstractCegarLoop]: Interpolant automaton has 251 states. [2018-07-23 13:41:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2018-07-23 13:41:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:41:32,184 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:32,184 INFO L357 BasicCegarLoop]: trace histogram [249, 1, 1, 1] [2018-07-23 13:41:32,184 INFO L414 AbstractCegarLoop]: === Iteration 250 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:32,185 INFO L82 PathProgramCache]: Analyzing trace with hash -526280980, now seen corresponding path program 249 times [2018-07-23 13:41:32,185 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:33,857 INFO L134 CoverageAnalysis]: Checked inductivity of 31125 backedges. 0 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,857 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:33,857 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [251] total 251 [2018-07-23 13:41:33,857 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:33,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,858 INFO L185 omatonBuilderFactory]: Interpolants [161282#(<= ULTIMATE.start_main_~y~4 167), 161283#(<= ULTIMATE.start_main_~y~4 168), 161280#(<= ULTIMATE.start_main_~y~4 165), 161281#(<= ULTIMATE.start_main_~y~4 166), 161286#(<= ULTIMATE.start_main_~y~4 171), 161287#(<= ULTIMATE.start_main_~y~4 172), 161284#(<= ULTIMATE.start_main_~y~4 169), 161285#(<= ULTIMATE.start_main_~y~4 170), 161290#(<= ULTIMATE.start_main_~y~4 175), 161291#(<= ULTIMATE.start_main_~y~4 176), 161288#(<= ULTIMATE.start_main_~y~4 173), 161289#(<= ULTIMATE.start_main_~y~4 174), 161294#(<= ULTIMATE.start_main_~y~4 179), 161295#(<= ULTIMATE.start_main_~y~4 180), 161292#(<= ULTIMATE.start_main_~y~4 177), 161293#(<= ULTIMATE.start_main_~y~4 178), 161298#(<= ULTIMATE.start_main_~y~4 183), 161299#(<= ULTIMATE.start_main_~y~4 184), 161296#(<= ULTIMATE.start_main_~y~4 181), 161297#(<= ULTIMATE.start_main_~y~4 182), 161302#(<= ULTIMATE.start_main_~y~4 187), 161303#(<= ULTIMATE.start_main_~y~4 188), 161300#(<= ULTIMATE.start_main_~y~4 185), 161301#(<= ULTIMATE.start_main_~y~4 186), 161306#(<= ULTIMATE.start_main_~y~4 191), 161307#(<= ULTIMATE.start_main_~y~4 192), 161304#(<= ULTIMATE.start_main_~y~4 189), 161305#(<= ULTIMATE.start_main_~y~4 190), 161310#(<= ULTIMATE.start_main_~y~4 195), 161311#(<= ULTIMATE.start_main_~y~4 196), 161308#(<= ULTIMATE.start_main_~y~4 193), 161309#(<= ULTIMATE.start_main_~y~4 194), 161314#(<= ULTIMATE.start_main_~y~4 199), 161315#(<= ULTIMATE.start_main_~y~4 200), 161312#(<= ULTIMATE.start_main_~y~4 197), 161313#(<= ULTIMATE.start_main_~y~4 198), 161318#(<= ULTIMATE.start_main_~y~4 203), 161319#(<= ULTIMATE.start_main_~y~4 204), 161316#(<= ULTIMATE.start_main_~y~4 201), 161317#(<= ULTIMATE.start_main_~y~4 202), 161322#(<= ULTIMATE.start_main_~y~4 207), 161323#(<= ULTIMATE.start_main_~y~4 208), 161320#(<= ULTIMATE.start_main_~y~4 205), 161321#(<= ULTIMATE.start_main_~y~4 206), 161326#(<= ULTIMATE.start_main_~y~4 211), 161327#(<= ULTIMATE.start_main_~y~4 212), 161324#(<= ULTIMATE.start_main_~y~4 209), 161325#(<= ULTIMATE.start_main_~y~4 210), 161330#(<= ULTIMATE.start_main_~y~4 215), 161331#(<= ULTIMATE.start_main_~y~4 216), 161328#(<= ULTIMATE.start_main_~y~4 213), 161329#(<= ULTIMATE.start_main_~y~4 214), 161334#(<= ULTIMATE.start_main_~y~4 219), 161335#(<= ULTIMATE.start_main_~y~4 220), 161332#(<= ULTIMATE.start_main_~y~4 217), 161333#(<= ULTIMATE.start_main_~y~4 218), 161338#(<= ULTIMATE.start_main_~y~4 223), 161339#(<= ULTIMATE.start_main_~y~4 224), 161336#(<= ULTIMATE.start_main_~y~4 221), 161337#(<= ULTIMATE.start_main_~y~4 222), 161342#(<= ULTIMATE.start_main_~y~4 227), 161343#(<= ULTIMATE.start_main_~y~4 228), 161340#(<= ULTIMATE.start_main_~y~4 225), 161341#(<= ULTIMATE.start_main_~y~4 226), 161346#(<= ULTIMATE.start_main_~y~4 231), 161347#(<= ULTIMATE.start_main_~y~4 232), 161344#(<= ULTIMATE.start_main_~y~4 229), 161345#(<= ULTIMATE.start_main_~y~4 230), 161350#(<= ULTIMATE.start_main_~y~4 235), 161351#(<= ULTIMATE.start_main_~y~4 236), 161348#(<= ULTIMATE.start_main_~y~4 233), 161349#(<= ULTIMATE.start_main_~y~4 234), 161354#(<= ULTIMATE.start_main_~y~4 239), 161355#(<= ULTIMATE.start_main_~y~4 240), 161352#(<= ULTIMATE.start_main_~y~4 237), 161353#(<= ULTIMATE.start_main_~y~4 238), 161358#(<= ULTIMATE.start_main_~y~4 243), 161359#(<= ULTIMATE.start_main_~y~4 244), 161356#(<= ULTIMATE.start_main_~y~4 241), 161357#(<= ULTIMATE.start_main_~y~4 242), 161362#(<= ULTIMATE.start_main_~y~4 247), 161363#(<= ULTIMATE.start_main_~y~4 248), 161360#(<= ULTIMATE.start_main_~y~4 245), 161361#(<= ULTIMATE.start_main_~y~4 246), 161364#(<= ULTIMATE.start_main_~y~4 249), 161114#false, 161115#(<= ULTIMATE.start_main_~y~4 0), 161113#true, 161118#(<= ULTIMATE.start_main_~y~4 3), 161119#(<= ULTIMATE.start_main_~y~4 4), 161116#(<= ULTIMATE.start_main_~y~4 1), 161117#(<= ULTIMATE.start_main_~y~4 2), 161122#(<= ULTIMATE.start_main_~y~4 7), 161123#(<= ULTIMATE.start_main_~y~4 8), 161120#(<= ULTIMATE.start_main_~y~4 5), 161121#(<= ULTIMATE.start_main_~y~4 6), 161126#(<= ULTIMATE.start_main_~y~4 11), 161127#(<= ULTIMATE.start_main_~y~4 12), 161124#(<= ULTIMATE.start_main_~y~4 9), 161125#(<= ULTIMATE.start_main_~y~4 10), 161130#(<= ULTIMATE.start_main_~y~4 15), 161131#(<= ULTIMATE.start_main_~y~4 16), 161128#(<= ULTIMATE.start_main_~y~4 13), 161129#(<= ULTIMATE.start_main_~y~4 14), 161134#(<= ULTIMATE.start_main_~y~4 19), 161135#(<= ULTIMATE.start_main_~y~4 20), 161132#(<= ULTIMATE.start_main_~y~4 17), 161133#(<= ULTIMATE.start_main_~y~4 18), 161138#(<= ULTIMATE.start_main_~y~4 23), 161139#(<= ULTIMATE.start_main_~y~4 24), 161136#(<= ULTIMATE.start_main_~y~4 21), 161137#(<= ULTIMATE.start_main_~y~4 22), 161142#(<= ULTIMATE.start_main_~y~4 27), 161143#(<= ULTIMATE.start_main_~y~4 28), 161140#(<= ULTIMATE.start_main_~y~4 25), 161141#(<= ULTIMATE.start_main_~y~4 26), 161146#(<= ULTIMATE.start_main_~y~4 31), 161147#(<= ULTIMATE.start_main_~y~4 32), 161144#(<= ULTIMATE.start_main_~y~4 29), 161145#(<= ULTIMATE.start_main_~y~4 30), 161150#(<= ULTIMATE.start_main_~y~4 35), 161151#(<= ULTIMATE.start_main_~y~4 36), 161148#(<= ULTIMATE.start_main_~y~4 33), 161149#(<= ULTIMATE.start_main_~y~4 34), 161154#(<= ULTIMATE.start_main_~y~4 39), 161155#(<= ULTIMATE.start_main_~y~4 40), 161152#(<= ULTIMATE.start_main_~y~4 37), 161153#(<= ULTIMATE.start_main_~y~4 38), 161158#(<= ULTIMATE.start_main_~y~4 43), 161159#(<= ULTIMATE.start_main_~y~4 44), 161156#(<= ULTIMATE.start_main_~y~4 41), 161157#(<= ULTIMATE.start_main_~y~4 42), 161162#(<= ULTIMATE.start_main_~y~4 47), 161163#(<= ULTIMATE.start_main_~y~4 48), 161160#(<= ULTIMATE.start_main_~y~4 45), 161161#(<= ULTIMATE.start_main_~y~4 46), 161166#(<= ULTIMATE.start_main_~y~4 51), 161167#(<= ULTIMATE.start_main_~y~4 52), 161164#(<= ULTIMATE.start_main_~y~4 49), 161165#(<= ULTIMATE.start_main_~y~4 50), 161170#(<= ULTIMATE.start_main_~y~4 55), 161171#(<= ULTIMATE.start_main_~y~4 56), 161168#(<= ULTIMATE.start_main_~y~4 53), 161169#(<= ULTIMATE.start_main_~y~4 54), 161174#(<= ULTIMATE.start_main_~y~4 59), 161175#(<= ULTIMATE.start_main_~y~4 60), 161172#(<= ULTIMATE.start_main_~y~4 57), 161173#(<= ULTIMATE.start_main_~y~4 58), 161178#(<= ULTIMATE.start_main_~y~4 63), 161179#(<= ULTIMATE.start_main_~y~4 64), 161176#(<= ULTIMATE.start_main_~y~4 61), 161177#(<= ULTIMATE.start_main_~y~4 62), 161182#(<= ULTIMATE.start_main_~y~4 67), 161183#(<= ULTIMATE.start_main_~y~4 68), 161180#(<= ULTIMATE.start_main_~y~4 65), 161181#(<= ULTIMATE.start_main_~y~4 66), 161186#(<= ULTIMATE.start_main_~y~4 71), 161187#(<= ULTIMATE.start_main_~y~4 72), 161184#(<= ULTIMATE.start_main_~y~4 69), 161185#(<= ULTIMATE.start_main_~y~4 70), 161190#(<= ULTIMATE.start_main_~y~4 75), 161191#(<= ULTIMATE.start_main_~y~4 76), 161188#(<= ULTIMATE.start_main_~y~4 73), 161189#(<= ULTIMATE.start_main_~y~4 74), 161194#(<= ULTIMATE.start_main_~y~4 79), 161195#(<= ULTIMATE.start_main_~y~4 80), 161192#(<= ULTIMATE.start_main_~y~4 77), 161193#(<= ULTIMATE.start_main_~y~4 78), 161198#(<= ULTIMATE.start_main_~y~4 83), 161199#(<= ULTIMATE.start_main_~y~4 84), 161196#(<= ULTIMATE.start_main_~y~4 81), 161197#(<= ULTIMATE.start_main_~y~4 82), 161202#(<= ULTIMATE.start_main_~y~4 87), 161203#(<= ULTIMATE.start_main_~y~4 88), 161200#(<= ULTIMATE.start_main_~y~4 85), 161201#(<= ULTIMATE.start_main_~y~4 86), 161206#(<= ULTIMATE.start_main_~y~4 91), 161207#(<= ULTIMATE.start_main_~y~4 92), 161204#(<= ULTIMATE.start_main_~y~4 89), 161205#(<= ULTIMATE.start_main_~y~4 90), 161210#(<= ULTIMATE.start_main_~y~4 95), 161211#(<= ULTIMATE.start_main_~y~4 96), 161208#(<= ULTIMATE.start_main_~y~4 93), 161209#(<= ULTIMATE.start_main_~y~4 94), 161214#(<= ULTIMATE.start_main_~y~4 99), 161215#(<= ULTIMATE.start_main_~y~4 100), 161212#(<= ULTIMATE.start_main_~y~4 97), 161213#(<= ULTIMATE.start_main_~y~4 98), 161218#(<= ULTIMATE.start_main_~y~4 103), 161219#(<= ULTIMATE.start_main_~y~4 104), 161216#(<= ULTIMATE.start_main_~y~4 101), 161217#(<= ULTIMATE.start_main_~y~4 102), 161222#(<= ULTIMATE.start_main_~y~4 107), 161223#(<= ULTIMATE.start_main_~y~4 108), 161220#(<= ULTIMATE.start_main_~y~4 105), 161221#(<= ULTIMATE.start_main_~y~4 106), 161226#(<= ULTIMATE.start_main_~y~4 111), 161227#(<= ULTIMATE.start_main_~y~4 112), 161224#(<= ULTIMATE.start_main_~y~4 109), 161225#(<= ULTIMATE.start_main_~y~4 110), 161230#(<= ULTIMATE.start_main_~y~4 115), 161231#(<= ULTIMATE.start_main_~y~4 116), 161228#(<= ULTIMATE.start_main_~y~4 113), 161229#(<= ULTIMATE.start_main_~y~4 114), 161234#(<= ULTIMATE.start_main_~y~4 119), 161235#(<= ULTIMATE.start_main_~y~4 120), 161232#(<= ULTIMATE.start_main_~y~4 117), 161233#(<= ULTIMATE.start_main_~y~4 118), 161238#(<= ULTIMATE.start_main_~y~4 123), 161239#(<= ULTIMATE.start_main_~y~4 124), 161236#(<= ULTIMATE.start_main_~y~4 121), 161237#(<= ULTIMATE.start_main_~y~4 122), 161242#(<= ULTIMATE.start_main_~y~4 127), 161243#(<= ULTIMATE.start_main_~y~4 128), 161240#(<= ULTIMATE.start_main_~y~4 125), 161241#(<= ULTIMATE.start_main_~y~4 126), 161246#(<= ULTIMATE.start_main_~y~4 131), 161247#(<= ULTIMATE.start_main_~y~4 132), 161244#(<= ULTIMATE.start_main_~y~4 129), 161245#(<= ULTIMATE.start_main_~y~4 130), 161250#(<= ULTIMATE.start_main_~y~4 135), 161251#(<= ULTIMATE.start_main_~y~4 136), 161248#(<= ULTIMATE.start_main_~y~4 133), 161249#(<= ULTIMATE.start_main_~y~4 134), 161254#(<= ULTIMATE.start_main_~y~4 139), 161255#(<= ULTIMATE.start_main_~y~4 140), 161252#(<= ULTIMATE.start_main_~y~4 137), 161253#(<= ULTIMATE.start_main_~y~4 138), 161258#(<= ULTIMATE.start_main_~y~4 143), 161259#(<= ULTIMATE.start_main_~y~4 144), 161256#(<= ULTIMATE.start_main_~y~4 141), 161257#(<= ULTIMATE.start_main_~y~4 142), 161262#(<= ULTIMATE.start_main_~y~4 147), 161263#(<= ULTIMATE.start_main_~y~4 148), 161260#(<= ULTIMATE.start_main_~y~4 145), 161261#(<= ULTIMATE.start_main_~y~4 146), 161266#(<= ULTIMATE.start_main_~y~4 151), 161267#(<= ULTIMATE.start_main_~y~4 152), 161264#(<= ULTIMATE.start_main_~y~4 149), 161265#(<= ULTIMATE.start_main_~y~4 150), 161270#(<= ULTIMATE.start_main_~y~4 155), 161271#(<= ULTIMATE.start_main_~y~4 156), 161268#(<= ULTIMATE.start_main_~y~4 153), 161269#(<= ULTIMATE.start_main_~y~4 154), 161274#(<= ULTIMATE.start_main_~y~4 159), 161275#(<= ULTIMATE.start_main_~y~4 160), 161272#(<= ULTIMATE.start_main_~y~4 157), 161273#(<= ULTIMATE.start_main_~y~4 158), 161278#(<= ULTIMATE.start_main_~y~4 163), 161279#(<= ULTIMATE.start_main_~y~4 164), 161276#(<= ULTIMATE.start_main_~y~4 161), 161277#(<= ULTIMATE.start_main_~y~4 162)] [2018-07-23 13:41:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 31125 backedges. 0 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,860 INFO L450 AbstractCegarLoop]: Interpolant automaton has 252 states [2018-07-23 13:41:33,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 252 interpolants. [2018-07-23 13:41:33,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31626, Invalid=31626, Unknown=0, NotChecked=0, Total=63252 [2018-07-23 13:41:33,867 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand 252 states. [2018-07-23 13:41:34,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:34,683 INFO L93 Difference]: Finished difference Result 256 states and 256 transitions. [2018-07-23 13:41:34,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2018-07-23 13:41:34,683 INFO L78 Accepts]: Start accepts. Automaton has 252 states. Word has length 252 [2018-07-23 13:41:34,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:34,684 INFO L225 Difference]: With dead ends: 256 [2018-07-23 13:41:34,684 INFO L226 Difference]: Without dead ends: 254 [2018-07-23 13:41:34,686 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=31626, Invalid=31626, Unknown=0, NotChecked=0, Total=63252 [2018-07-23 13:41:34,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-07-23 13:41:34,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2018-07-23 13:41:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-07-23 13:41:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 254 transitions. [2018-07-23 13:41:34,689 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 254 transitions. Word has length 252 [2018-07-23 13:41:34,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:34,689 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 254 transitions. [2018-07-23 13:41:34,689 INFO L472 AbstractCegarLoop]: Interpolant automaton has 252 states. [2018-07-23 13:41:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 254 transitions. [2018-07-23 13:41:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-07-23 13:41:34,690 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:34,690 INFO L357 BasicCegarLoop]: trace histogram [250, 1, 1, 1] [2018-07-23 13:41:34,690 INFO L414 AbstractCegarLoop]: === Iteration 251 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:34,690 INFO L82 PathProgramCache]: Analyzing trace with hash 865160611, now seen corresponding path program 250 times [2018-07-23 13:41:34,690 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 31375 backedges. 0 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,149 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:36,149 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [252] total 252 [2018-07-23 13:41:36,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,150 INFO L185 omatonBuilderFactory]: Interpolants [162386#false, 162387#(<= ULTIMATE.start_main_~y~4 0), 162385#true, 162390#(<= ULTIMATE.start_main_~y~4 3), 162391#(<= ULTIMATE.start_main_~y~4 4), 162388#(<= ULTIMATE.start_main_~y~4 1), 162389#(<= ULTIMATE.start_main_~y~4 2), 162394#(<= ULTIMATE.start_main_~y~4 7), 162395#(<= ULTIMATE.start_main_~y~4 8), 162392#(<= ULTIMATE.start_main_~y~4 5), 162393#(<= ULTIMATE.start_main_~y~4 6), 162398#(<= ULTIMATE.start_main_~y~4 11), 162399#(<= ULTIMATE.start_main_~y~4 12), 162396#(<= ULTIMATE.start_main_~y~4 9), 162397#(<= ULTIMATE.start_main_~y~4 10), 162402#(<= ULTIMATE.start_main_~y~4 15), 162403#(<= ULTIMATE.start_main_~y~4 16), 162400#(<= ULTIMATE.start_main_~y~4 13), 162401#(<= ULTIMATE.start_main_~y~4 14), 162406#(<= ULTIMATE.start_main_~y~4 19), 162407#(<= ULTIMATE.start_main_~y~4 20), 162404#(<= ULTIMATE.start_main_~y~4 17), 162405#(<= ULTIMATE.start_main_~y~4 18), 162410#(<= ULTIMATE.start_main_~y~4 23), 162411#(<= ULTIMATE.start_main_~y~4 24), 162408#(<= ULTIMATE.start_main_~y~4 21), 162409#(<= ULTIMATE.start_main_~y~4 22), 162414#(<= ULTIMATE.start_main_~y~4 27), 162415#(<= ULTIMATE.start_main_~y~4 28), 162412#(<= ULTIMATE.start_main_~y~4 25), 162413#(<= ULTIMATE.start_main_~y~4 26), 162418#(<= ULTIMATE.start_main_~y~4 31), 162419#(<= ULTIMATE.start_main_~y~4 32), 162416#(<= ULTIMATE.start_main_~y~4 29), 162417#(<= ULTIMATE.start_main_~y~4 30), 162422#(<= ULTIMATE.start_main_~y~4 35), 162423#(<= ULTIMATE.start_main_~y~4 36), 162420#(<= ULTIMATE.start_main_~y~4 33), 162421#(<= ULTIMATE.start_main_~y~4 34), 162426#(<= ULTIMATE.start_main_~y~4 39), 162427#(<= ULTIMATE.start_main_~y~4 40), 162424#(<= ULTIMATE.start_main_~y~4 37), 162425#(<= ULTIMATE.start_main_~y~4 38), 162430#(<= ULTIMATE.start_main_~y~4 43), 162431#(<= ULTIMATE.start_main_~y~4 44), 162428#(<= ULTIMATE.start_main_~y~4 41), 162429#(<= ULTIMATE.start_main_~y~4 42), 162434#(<= ULTIMATE.start_main_~y~4 47), 162435#(<= ULTIMATE.start_main_~y~4 48), 162432#(<= ULTIMATE.start_main_~y~4 45), 162433#(<= ULTIMATE.start_main_~y~4 46), 162438#(<= ULTIMATE.start_main_~y~4 51), 162439#(<= ULTIMATE.start_main_~y~4 52), 162436#(<= ULTIMATE.start_main_~y~4 49), 162437#(<= ULTIMATE.start_main_~y~4 50), 162442#(<= ULTIMATE.start_main_~y~4 55), 162443#(<= ULTIMATE.start_main_~y~4 56), 162440#(<= ULTIMATE.start_main_~y~4 53), 162441#(<= ULTIMATE.start_main_~y~4 54), 162446#(<= ULTIMATE.start_main_~y~4 59), 162447#(<= ULTIMATE.start_main_~y~4 60), 162444#(<= ULTIMATE.start_main_~y~4 57), 162445#(<= ULTIMATE.start_main_~y~4 58), 162450#(<= ULTIMATE.start_main_~y~4 63), 162451#(<= ULTIMATE.start_main_~y~4 64), 162448#(<= ULTIMATE.start_main_~y~4 61), 162449#(<= ULTIMATE.start_main_~y~4 62), 162454#(<= ULTIMATE.start_main_~y~4 67), 162455#(<= ULTIMATE.start_main_~y~4 68), 162452#(<= ULTIMATE.start_main_~y~4 65), 162453#(<= ULTIMATE.start_main_~y~4 66), 162458#(<= ULTIMATE.start_main_~y~4 71), 162459#(<= ULTIMATE.start_main_~y~4 72), 162456#(<= ULTIMATE.start_main_~y~4 69), 162457#(<= ULTIMATE.start_main_~y~4 70), 162462#(<= ULTIMATE.start_main_~y~4 75), 162463#(<= ULTIMATE.start_main_~y~4 76), 162460#(<= ULTIMATE.start_main_~y~4 73), 162461#(<= ULTIMATE.start_main_~y~4 74), 162466#(<= ULTIMATE.start_main_~y~4 79), 162467#(<= ULTIMATE.start_main_~y~4 80), 162464#(<= ULTIMATE.start_main_~y~4 77), 162465#(<= ULTIMATE.start_main_~y~4 78), 162470#(<= ULTIMATE.start_main_~y~4 83), 162471#(<= ULTIMATE.start_main_~y~4 84), 162468#(<= ULTIMATE.start_main_~y~4 81), 162469#(<= ULTIMATE.start_main_~y~4 82), 162474#(<= ULTIMATE.start_main_~y~4 87), 162475#(<= ULTIMATE.start_main_~y~4 88), 162472#(<= ULTIMATE.start_main_~y~4 85), 162473#(<= ULTIMATE.start_main_~y~4 86), 162478#(<= ULTIMATE.start_main_~y~4 91), 162479#(<= ULTIMATE.start_main_~y~4 92), 162476#(<= ULTIMATE.start_main_~y~4 89), 162477#(<= ULTIMATE.start_main_~y~4 90), 162482#(<= ULTIMATE.start_main_~y~4 95), 162483#(<= ULTIMATE.start_main_~y~4 96), 162480#(<= ULTIMATE.start_main_~y~4 93), 162481#(<= ULTIMATE.start_main_~y~4 94), 162486#(<= ULTIMATE.start_main_~y~4 99), 162487#(<= ULTIMATE.start_main_~y~4 100), 162484#(<= ULTIMATE.start_main_~y~4 97), 162485#(<= ULTIMATE.start_main_~y~4 98), 162490#(<= ULTIMATE.start_main_~y~4 103), 162491#(<= ULTIMATE.start_main_~y~4 104), 162488#(<= ULTIMATE.start_main_~y~4 101), 162489#(<= ULTIMATE.start_main_~y~4 102), 162494#(<= ULTIMATE.start_main_~y~4 107), 162495#(<= ULTIMATE.start_main_~y~4 108), 162492#(<= ULTIMATE.start_main_~y~4 105), 162493#(<= ULTIMATE.start_main_~y~4 106), 162498#(<= ULTIMATE.start_main_~y~4 111), 162499#(<= ULTIMATE.start_main_~y~4 112), 162496#(<= ULTIMATE.start_main_~y~4 109), 162497#(<= ULTIMATE.start_main_~y~4 110), 162502#(<= ULTIMATE.start_main_~y~4 115), 162503#(<= ULTIMATE.start_main_~y~4 116), 162500#(<= ULTIMATE.start_main_~y~4 113), 162501#(<= ULTIMATE.start_main_~y~4 114), 162506#(<= ULTIMATE.start_main_~y~4 119), 162507#(<= ULTIMATE.start_main_~y~4 120), 162504#(<= ULTIMATE.start_main_~y~4 117), 162505#(<= ULTIMATE.start_main_~y~4 118), 162510#(<= ULTIMATE.start_main_~y~4 123), 162511#(<= ULTIMATE.start_main_~y~4 124), 162508#(<= ULTIMATE.start_main_~y~4 121), 162509#(<= ULTIMATE.start_main_~y~4 122), 162514#(<= ULTIMATE.start_main_~y~4 127), 162515#(<= ULTIMATE.start_main_~y~4 128), 162512#(<= ULTIMATE.start_main_~y~4 125), 162513#(<= ULTIMATE.start_main_~y~4 126), 162518#(<= ULTIMATE.start_main_~y~4 131), 162519#(<= ULTIMATE.start_main_~y~4 132), 162516#(<= ULTIMATE.start_main_~y~4 129), 162517#(<= ULTIMATE.start_main_~y~4 130), 162522#(<= ULTIMATE.start_main_~y~4 135), 162523#(<= ULTIMATE.start_main_~y~4 136), 162520#(<= ULTIMATE.start_main_~y~4 133), 162521#(<= ULTIMATE.start_main_~y~4 134), 162526#(<= ULTIMATE.start_main_~y~4 139), 162527#(<= ULTIMATE.start_main_~y~4 140), 162524#(<= ULTIMATE.start_main_~y~4 137), 162525#(<= ULTIMATE.start_main_~y~4 138), 162530#(<= ULTIMATE.start_main_~y~4 143), 162531#(<= ULTIMATE.start_main_~y~4 144), 162528#(<= ULTIMATE.start_main_~y~4 141), 162529#(<= ULTIMATE.start_main_~y~4 142), 162534#(<= ULTIMATE.start_main_~y~4 147), 162535#(<= ULTIMATE.start_main_~y~4 148), 162532#(<= ULTIMATE.start_main_~y~4 145), 162533#(<= ULTIMATE.start_main_~y~4 146), 162538#(<= ULTIMATE.start_main_~y~4 151), 162539#(<= ULTIMATE.start_main_~y~4 152), 162536#(<= ULTIMATE.start_main_~y~4 149), 162537#(<= ULTIMATE.start_main_~y~4 150), 162542#(<= ULTIMATE.start_main_~y~4 155), 162543#(<= ULTIMATE.start_main_~y~4 156), 162540#(<= ULTIMATE.start_main_~y~4 153), 162541#(<= ULTIMATE.start_main_~y~4 154), 162546#(<= ULTIMATE.start_main_~y~4 159), 162547#(<= ULTIMATE.start_main_~y~4 160), 162544#(<= ULTIMATE.start_main_~y~4 157), 162545#(<= ULTIMATE.start_main_~y~4 158), 162550#(<= ULTIMATE.start_main_~y~4 163), 162551#(<= ULTIMATE.start_main_~y~4 164), 162548#(<= ULTIMATE.start_main_~y~4 161), 162549#(<= ULTIMATE.start_main_~y~4 162), 162554#(<= ULTIMATE.start_main_~y~4 167), 162555#(<= ULTIMATE.start_main_~y~4 168), 162552#(<= ULTIMATE.start_main_~y~4 165), 162553#(<= ULTIMATE.start_main_~y~4 166), 162558#(<= ULTIMATE.start_main_~y~4 171), 162559#(<= ULTIMATE.start_main_~y~4 172), 162556#(<= ULTIMATE.start_main_~y~4 169), 162557#(<= ULTIMATE.start_main_~y~4 170), 162562#(<= ULTIMATE.start_main_~y~4 175), 162563#(<= ULTIMATE.start_main_~y~4 176), 162560#(<= ULTIMATE.start_main_~y~4 173), 162561#(<= ULTIMATE.start_main_~y~4 174), 162566#(<= ULTIMATE.start_main_~y~4 179), 162567#(<= ULTIMATE.start_main_~y~4 180), 162564#(<= ULTIMATE.start_main_~y~4 177), 162565#(<= ULTIMATE.start_main_~y~4 178), 162570#(<= ULTIMATE.start_main_~y~4 183), 162571#(<= ULTIMATE.start_main_~y~4 184), 162568#(<= ULTIMATE.start_main_~y~4 181), 162569#(<= ULTIMATE.start_main_~y~4 182), 162574#(<= ULTIMATE.start_main_~y~4 187), 162575#(<= ULTIMATE.start_main_~y~4 188), 162572#(<= ULTIMATE.start_main_~y~4 185), 162573#(<= ULTIMATE.start_main_~y~4 186), 162578#(<= ULTIMATE.start_main_~y~4 191), 162579#(<= ULTIMATE.start_main_~y~4 192), 162576#(<= ULTIMATE.start_main_~y~4 189), 162577#(<= ULTIMATE.start_main_~y~4 190), 162582#(<= ULTIMATE.start_main_~y~4 195), 162583#(<= ULTIMATE.start_main_~y~4 196), 162580#(<= ULTIMATE.start_main_~y~4 193), 162581#(<= ULTIMATE.start_main_~y~4 194), 162586#(<= ULTIMATE.start_main_~y~4 199), 162587#(<= ULTIMATE.start_main_~y~4 200), 162584#(<= ULTIMATE.start_main_~y~4 197), 162585#(<= ULTIMATE.start_main_~y~4 198), 162590#(<= ULTIMATE.start_main_~y~4 203), 162591#(<= ULTIMATE.start_main_~y~4 204), 162588#(<= ULTIMATE.start_main_~y~4 201), 162589#(<= ULTIMATE.start_main_~y~4 202), 162594#(<= ULTIMATE.start_main_~y~4 207), 162595#(<= ULTIMATE.start_main_~y~4 208), 162592#(<= ULTIMATE.start_main_~y~4 205), 162593#(<= ULTIMATE.start_main_~y~4 206), 162598#(<= ULTIMATE.start_main_~y~4 211), 162599#(<= ULTIMATE.start_main_~y~4 212), 162596#(<= ULTIMATE.start_main_~y~4 209), 162597#(<= ULTIMATE.start_main_~y~4 210), 162602#(<= ULTIMATE.start_main_~y~4 215), 162603#(<= ULTIMATE.start_main_~y~4 216), 162600#(<= ULTIMATE.start_main_~y~4 213), 162601#(<= ULTIMATE.start_main_~y~4 214), 162606#(<= ULTIMATE.start_main_~y~4 219), 162607#(<= ULTIMATE.start_main_~y~4 220), 162604#(<= ULTIMATE.start_main_~y~4 217), 162605#(<= ULTIMATE.start_main_~y~4 218), 162610#(<= ULTIMATE.start_main_~y~4 223), 162611#(<= ULTIMATE.start_main_~y~4 224), 162608#(<= ULTIMATE.start_main_~y~4 221), 162609#(<= ULTIMATE.start_main_~y~4 222), 162614#(<= ULTIMATE.start_main_~y~4 227), 162615#(<= ULTIMATE.start_main_~y~4 228), 162612#(<= ULTIMATE.start_main_~y~4 225), 162613#(<= ULTIMATE.start_main_~y~4 226), 162618#(<= ULTIMATE.start_main_~y~4 231), 162619#(<= ULTIMATE.start_main_~y~4 232), 162616#(<= ULTIMATE.start_main_~y~4 229), 162617#(<= ULTIMATE.start_main_~y~4 230), 162622#(<= ULTIMATE.start_main_~y~4 235), 162623#(<= ULTIMATE.start_main_~y~4 236), 162620#(<= ULTIMATE.start_main_~y~4 233), 162621#(<= ULTIMATE.start_main_~y~4 234), 162626#(<= ULTIMATE.start_main_~y~4 239), 162627#(<= ULTIMATE.start_main_~y~4 240), 162624#(<= ULTIMATE.start_main_~y~4 237), 162625#(<= ULTIMATE.start_main_~y~4 238), 162630#(<= ULTIMATE.start_main_~y~4 243), 162631#(<= ULTIMATE.start_main_~y~4 244), 162628#(<= ULTIMATE.start_main_~y~4 241), 162629#(<= ULTIMATE.start_main_~y~4 242), 162634#(<= ULTIMATE.start_main_~y~4 247), 162635#(<= ULTIMATE.start_main_~y~4 248), 162632#(<= ULTIMATE.start_main_~y~4 245), 162633#(<= ULTIMATE.start_main_~y~4 246), 162636#(<= ULTIMATE.start_main_~y~4 249), 162637#(<= ULTIMATE.start_main_~y~4 250)] [2018-07-23 13:41:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 31375 backedges. 0 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,152 INFO L450 AbstractCegarLoop]: Interpolant automaton has 253 states [2018-07-23 13:41:36,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2018-07-23 13:41:36,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31878, Invalid=31878, Unknown=0, NotChecked=0, Total=63756 [2018-07-23 13:41:36,159 INFO L87 Difference]: Start difference. First operand 254 states and 254 transitions. Second operand 253 states. [2018-07-23 13:41:38,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:38,185 INFO L93 Difference]: Finished difference Result 257 states and 257 transitions. [2018-07-23 13:41:38,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2018-07-23 13:41:38,185 INFO L78 Accepts]: Start accepts. Automaton has 253 states. Word has length 253 [2018-07-23 13:41:38,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:38,186 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:41:38,186 INFO L226 Difference]: Without dead ends: 255 [2018-07-23 13:41:38,188 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 251 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31878, Invalid=31878, Unknown=0, NotChecked=0, Total=63756 [2018-07-23 13:41:38,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-07-23 13:41:38,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-07-23 13:41:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:41:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2018-07-23 13:41:38,191 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 253 [2018-07-23 13:41:38,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:38,191 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2018-07-23 13:41:38,191 INFO L472 AbstractCegarLoop]: Interpolant automaton has 253 states. [2018-07-23 13:41:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2018-07-23 13:41:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:41:38,192 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:38,192 INFO L357 BasicCegarLoop]: trace histogram [251, 1, 1, 1] [2018-07-23 13:41:38,192 INFO L414 AbstractCegarLoop]: === Iteration 252 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:38,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1050176972, now seen corresponding path program 251 times [2018-07-23 13:41:38,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:39,895 INFO L134 CoverageAnalysis]: Checked inductivity of 31626 backedges. 0 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,896 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:39,896 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [253] total 253 [2018-07-23 13:41:39,896 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:39,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,896 INFO L185 omatonBuilderFactory]: Interpolants [163842#(<= ULTIMATE.start_main_~y~4 178), 163843#(<= ULTIMATE.start_main_~y~4 179), 163840#(<= ULTIMATE.start_main_~y~4 176), 163841#(<= ULTIMATE.start_main_~y~4 177), 163846#(<= ULTIMATE.start_main_~y~4 182), 163847#(<= ULTIMATE.start_main_~y~4 183), 163844#(<= ULTIMATE.start_main_~y~4 180), 163845#(<= ULTIMATE.start_main_~y~4 181), 163850#(<= ULTIMATE.start_main_~y~4 186), 163851#(<= ULTIMATE.start_main_~y~4 187), 163848#(<= ULTIMATE.start_main_~y~4 184), 163849#(<= ULTIMATE.start_main_~y~4 185), 163854#(<= ULTIMATE.start_main_~y~4 190), 163855#(<= ULTIMATE.start_main_~y~4 191), 163852#(<= ULTIMATE.start_main_~y~4 188), 163853#(<= ULTIMATE.start_main_~y~4 189), 163858#(<= ULTIMATE.start_main_~y~4 194), 163859#(<= ULTIMATE.start_main_~y~4 195), 163856#(<= ULTIMATE.start_main_~y~4 192), 163857#(<= ULTIMATE.start_main_~y~4 193), 163862#(<= ULTIMATE.start_main_~y~4 198), 163863#(<= ULTIMATE.start_main_~y~4 199), 163860#(<= ULTIMATE.start_main_~y~4 196), 163861#(<= ULTIMATE.start_main_~y~4 197), 163866#(<= ULTIMATE.start_main_~y~4 202), 163867#(<= ULTIMATE.start_main_~y~4 203), 163864#(<= ULTIMATE.start_main_~y~4 200), 163865#(<= ULTIMATE.start_main_~y~4 201), 163870#(<= ULTIMATE.start_main_~y~4 206), 163871#(<= ULTIMATE.start_main_~y~4 207), 163868#(<= ULTIMATE.start_main_~y~4 204), 163869#(<= ULTIMATE.start_main_~y~4 205), 163874#(<= ULTIMATE.start_main_~y~4 210), 163875#(<= ULTIMATE.start_main_~y~4 211), 163872#(<= ULTIMATE.start_main_~y~4 208), 163873#(<= ULTIMATE.start_main_~y~4 209), 163878#(<= ULTIMATE.start_main_~y~4 214), 163879#(<= ULTIMATE.start_main_~y~4 215), 163876#(<= ULTIMATE.start_main_~y~4 212), 163877#(<= ULTIMATE.start_main_~y~4 213), 163882#(<= ULTIMATE.start_main_~y~4 218), 163883#(<= ULTIMATE.start_main_~y~4 219), 163880#(<= ULTIMATE.start_main_~y~4 216), 163881#(<= ULTIMATE.start_main_~y~4 217), 163886#(<= ULTIMATE.start_main_~y~4 222), 163887#(<= ULTIMATE.start_main_~y~4 223), 163884#(<= ULTIMATE.start_main_~y~4 220), 163885#(<= ULTIMATE.start_main_~y~4 221), 163890#(<= ULTIMATE.start_main_~y~4 226), 163891#(<= ULTIMATE.start_main_~y~4 227), 163888#(<= ULTIMATE.start_main_~y~4 224), 163889#(<= ULTIMATE.start_main_~y~4 225), 163894#(<= ULTIMATE.start_main_~y~4 230), 163895#(<= ULTIMATE.start_main_~y~4 231), 163892#(<= ULTIMATE.start_main_~y~4 228), 163893#(<= ULTIMATE.start_main_~y~4 229), 163898#(<= ULTIMATE.start_main_~y~4 234), 163899#(<= ULTIMATE.start_main_~y~4 235), 163896#(<= ULTIMATE.start_main_~y~4 232), 163897#(<= ULTIMATE.start_main_~y~4 233), 163902#(<= ULTIMATE.start_main_~y~4 238), 163903#(<= ULTIMATE.start_main_~y~4 239), 163900#(<= ULTIMATE.start_main_~y~4 236), 163901#(<= ULTIMATE.start_main_~y~4 237), 163906#(<= ULTIMATE.start_main_~y~4 242), 163907#(<= ULTIMATE.start_main_~y~4 243), 163904#(<= ULTIMATE.start_main_~y~4 240), 163905#(<= ULTIMATE.start_main_~y~4 241), 163910#(<= ULTIMATE.start_main_~y~4 246), 163911#(<= ULTIMATE.start_main_~y~4 247), 163908#(<= ULTIMATE.start_main_~y~4 244), 163909#(<= ULTIMATE.start_main_~y~4 245), 163914#(<= ULTIMATE.start_main_~y~4 250), 163915#(<= ULTIMATE.start_main_~y~4 251), 163912#(<= ULTIMATE.start_main_~y~4 248), 163913#(<= ULTIMATE.start_main_~y~4 249), 163662#true, 163663#false, 163666#(<= ULTIMATE.start_main_~y~4 2), 163667#(<= ULTIMATE.start_main_~y~4 3), 163664#(<= ULTIMATE.start_main_~y~4 0), 163665#(<= ULTIMATE.start_main_~y~4 1), 163670#(<= ULTIMATE.start_main_~y~4 6), 163671#(<= ULTIMATE.start_main_~y~4 7), 163668#(<= ULTIMATE.start_main_~y~4 4), 163669#(<= ULTIMATE.start_main_~y~4 5), 163674#(<= ULTIMATE.start_main_~y~4 10), 163675#(<= ULTIMATE.start_main_~y~4 11), 163672#(<= ULTIMATE.start_main_~y~4 8), 163673#(<= ULTIMATE.start_main_~y~4 9), 163678#(<= ULTIMATE.start_main_~y~4 14), 163679#(<= ULTIMATE.start_main_~y~4 15), 163676#(<= ULTIMATE.start_main_~y~4 12), 163677#(<= ULTIMATE.start_main_~y~4 13), 163682#(<= ULTIMATE.start_main_~y~4 18), 163683#(<= ULTIMATE.start_main_~y~4 19), 163680#(<= ULTIMATE.start_main_~y~4 16), 163681#(<= ULTIMATE.start_main_~y~4 17), 163686#(<= ULTIMATE.start_main_~y~4 22), 163687#(<= ULTIMATE.start_main_~y~4 23), 163684#(<= ULTIMATE.start_main_~y~4 20), 163685#(<= ULTIMATE.start_main_~y~4 21), 163690#(<= ULTIMATE.start_main_~y~4 26), 163691#(<= ULTIMATE.start_main_~y~4 27), 163688#(<= ULTIMATE.start_main_~y~4 24), 163689#(<= ULTIMATE.start_main_~y~4 25), 163694#(<= ULTIMATE.start_main_~y~4 30), 163695#(<= ULTIMATE.start_main_~y~4 31), 163692#(<= ULTIMATE.start_main_~y~4 28), 163693#(<= ULTIMATE.start_main_~y~4 29), 163698#(<= ULTIMATE.start_main_~y~4 34), 163699#(<= ULTIMATE.start_main_~y~4 35), 163696#(<= ULTIMATE.start_main_~y~4 32), 163697#(<= ULTIMATE.start_main_~y~4 33), 163702#(<= ULTIMATE.start_main_~y~4 38), 163703#(<= ULTIMATE.start_main_~y~4 39), 163700#(<= ULTIMATE.start_main_~y~4 36), 163701#(<= ULTIMATE.start_main_~y~4 37), 163706#(<= ULTIMATE.start_main_~y~4 42), 163707#(<= ULTIMATE.start_main_~y~4 43), 163704#(<= ULTIMATE.start_main_~y~4 40), 163705#(<= ULTIMATE.start_main_~y~4 41), 163710#(<= ULTIMATE.start_main_~y~4 46), 163711#(<= ULTIMATE.start_main_~y~4 47), 163708#(<= ULTIMATE.start_main_~y~4 44), 163709#(<= ULTIMATE.start_main_~y~4 45), 163714#(<= ULTIMATE.start_main_~y~4 50), 163715#(<= ULTIMATE.start_main_~y~4 51), 163712#(<= ULTIMATE.start_main_~y~4 48), 163713#(<= ULTIMATE.start_main_~y~4 49), 163718#(<= ULTIMATE.start_main_~y~4 54), 163719#(<= ULTIMATE.start_main_~y~4 55), 163716#(<= ULTIMATE.start_main_~y~4 52), 163717#(<= ULTIMATE.start_main_~y~4 53), 163722#(<= ULTIMATE.start_main_~y~4 58), 163723#(<= ULTIMATE.start_main_~y~4 59), 163720#(<= ULTIMATE.start_main_~y~4 56), 163721#(<= ULTIMATE.start_main_~y~4 57), 163726#(<= ULTIMATE.start_main_~y~4 62), 163727#(<= ULTIMATE.start_main_~y~4 63), 163724#(<= ULTIMATE.start_main_~y~4 60), 163725#(<= ULTIMATE.start_main_~y~4 61), 163730#(<= ULTIMATE.start_main_~y~4 66), 163731#(<= ULTIMATE.start_main_~y~4 67), 163728#(<= ULTIMATE.start_main_~y~4 64), 163729#(<= ULTIMATE.start_main_~y~4 65), 163734#(<= ULTIMATE.start_main_~y~4 70), 163735#(<= ULTIMATE.start_main_~y~4 71), 163732#(<= ULTIMATE.start_main_~y~4 68), 163733#(<= ULTIMATE.start_main_~y~4 69), 163738#(<= ULTIMATE.start_main_~y~4 74), 163739#(<= ULTIMATE.start_main_~y~4 75), 163736#(<= ULTIMATE.start_main_~y~4 72), 163737#(<= ULTIMATE.start_main_~y~4 73), 163742#(<= ULTIMATE.start_main_~y~4 78), 163743#(<= ULTIMATE.start_main_~y~4 79), 163740#(<= ULTIMATE.start_main_~y~4 76), 163741#(<= ULTIMATE.start_main_~y~4 77), 163746#(<= ULTIMATE.start_main_~y~4 82), 163747#(<= ULTIMATE.start_main_~y~4 83), 163744#(<= ULTIMATE.start_main_~y~4 80), 163745#(<= ULTIMATE.start_main_~y~4 81), 163750#(<= ULTIMATE.start_main_~y~4 86), 163751#(<= ULTIMATE.start_main_~y~4 87), 163748#(<= ULTIMATE.start_main_~y~4 84), 163749#(<= ULTIMATE.start_main_~y~4 85), 163754#(<= ULTIMATE.start_main_~y~4 90), 163755#(<= ULTIMATE.start_main_~y~4 91), 163752#(<= ULTIMATE.start_main_~y~4 88), 163753#(<= ULTIMATE.start_main_~y~4 89), 163758#(<= ULTIMATE.start_main_~y~4 94), 163759#(<= ULTIMATE.start_main_~y~4 95), 163756#(<= ULTIMATE.start_main_~y~4 92), 163757#(<= ULTIMATE.start_main_~y~4 93), 163762#(<= ULTIMATE.start_main_~y~4 98), 163763#(<= ULTIMATE.start_main_~y~4 99), 163760#(<= ULTIMATE.start_main_~y~4 96), 163761#(<= ULTIMATE.start_main_~y~4 97), 163766#(<= ULTIMATE.start_main_~y~4 102), 163767#(<= ULTIMATE.start_main_~y~4 103), 163764#(<= ULTIMATE.start_main_~y~4 100), 163765#(<= ULTIMATE.start_main_~y~4 101), 163770#(<= ULTIMATE.start_main_~y~4 106), 163771#(<= ULTIMATE.start_main_~y~4 107), 163768#(<= ULTIMATE.start_main_~y~4 104), 163769#(<= ULTIMATE.start_main_~y~4 105), 163774#(<= ULTIMATE.start_main_~y~4 110), 163775#(<= ULTIMATE.start_main_~y~4 111), 163772#(<= ULTIMATE.start_main_~y~4 108), 163773#(<= ULTIMATE.start_main_~y~4 109), 163778#(<= ULTIMATE.start_main_~y~4 114), 163779#(<= ULTIMATE.start_main_~y~4 115), 163776#(<= ULTIMATE.start_main_~y~4 112), 163777#(<= ULTIMATE.start_main_~y~4 113), 163782#(<= ULTIMATE.start_main_~y~4 118), 163783#(<= ULTIMATE.start_main_~y~4 119), 163780#(<= ULTIMATE.start_main_~y~4 116), 163781#(<= ULTIMATE.start_main_~y~4 117), 163786#(<= ULTIMATE.start_main_~y~4 122), 163787#(<= ULTIMATE.start_main_~y~4 123), 163784#(<= ULTIMATE.start_main_~y~4 120), 163785#(<= ULTIMATE.start_main_~y~4 121), 163790#(<= ULTIMATE.start_main_~y~4 126), 163791#(<= ULTIMATE.start_main_~y~4 127), 163788#(<= ULTIMATE.start_main_~y~4 124), 163789#(<= ULTIMATE.start_main_~y~4 125), 163794#(<= ULTIMATE.start_main_~y~4 130), 163795#(<= ULTIMATE.start_main_~y~4 131), 163792#(<= ULTIMATE.start_main_~y~4 128), 163793#(<= ULTIMATE.start_main_~y~4 129), 163798#(<= ULTIMATE.start_main_~y~4 134), 163799#(<= ULTIMATE.start_main_~y~4 135), 163796#(<= ULTIMATE.start_main_~y~4 132), 163797#(<= ULTIMATE.start_main_~y~4 133), 163802#(<= ULTIMATE.start_main_~y~4 138), 163803#(<= ULTIMATE.start_main_~y~4 139), 163800#(<= ULTIMATE.start_main_~y~4 136), 163801#(<= ULTIMATE.start_main_~y~4 137), 163806#(<= ULTIMATE.start_main_~y~4 142), 163807#(<= ULTIMATE.start_main_~y~4 143), 163804#(<= ULTIMATE.start_main_~y~4 140), 163805#(<= ULTIMATE.start_main_~y~4 141), 163810#(<= ULTIMATE.start_main_~y~4 146), 163811#(<= ULTIMATE.start_main_~y~4 147), 163808#(<= ULTIMATE.start_main_~y~4 144), 163809#(<= ULTIMATE.start_main_~y~4 145), 163814#(<= ULTIMATE.start_main_~y~4 150), 163815#(<= ULTIMATE.start_main_~y~4 151), 163812#(<= ULTIMATE.start_main_~y~4 148), 163813#(<= ULTIMATE.start_main_~y~4 149), 163818#(<= ULTIMATE.start_main_~y~4 154), 163819#(<= ULTIMATE.start_main_~y~4 155), 163816#(<= ULTIMATE.start_main_~y~4 152), 163817#(<= ULTIMATE.start_main_~y~4 153), 163822#(<= ULTIMATE.start_main_~y~4 158), 163823#(<= ULTIMATE.start_main_~y~4 159), 163820#(<= ULTIMATE.start_main_~y~4 156), 163821#(<= ULTIMATE.start_main_~y~4 157), 163826#(<= ULTIMATE.start_main_~y~4 162), 163827#(<= ULTIMATE.start_main_~y~4 163), 163824#(<= ULTIMATE.start_main_~y~4 160), 163825#(<= ULTIMATE.start_main_~y~4 161), 163830#(<= ULTIMATE.start_main_~y~4 166), 163831#(<= ULTIMATE.start_main_~y~4 167), 163828#(<= ULTIMATE.start_main_~y~4 164), 163829#(<= ULTIMATE.start_main_~y~4 165), 163834#(<= ULTIMATE.start_main_~y~4 170), 163835#(<= ULTIMATE.start_main_~y~4 171), 163832#(<= ULTIMATE.start_main_~y~4 168), 163833#(<= ULTIMATE.start_main_~y~4 169), 163838#(<= ULTIMATE.start_main_~y~4 174), 163839#(<= ULTIMATE.start_main_~y~4 175), 163836#(<= ULTIMATE.start_main_~y~4 172), 163837#(<= ULTIMATE.start_main_~y~4 173)] [2018-07-23 13:41:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 31626 backedges. 0 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,898 INFO L450 AbstractCegarLoop]: Interpolant automaton has 254 states [2018-07-23 13:41:39,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 254 interpolants. [2018-07-23 13:41:39,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32131, Invalid=32131, Unknown=0, NotChecked=0, Total=64262 [2018-07-23 13:41:39,906 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand 254 states. [2018-07-23 13:41:40,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:40,932 INFO L93 Difference]: Finished difference Result 258 states and 258 transitions. [2018-07-23 13:41:40,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2018-07-23 13:41:40,932 INFO L78 Accepts]: Start accepts. Automaton has 254 states. Word has length 254 [2018-07-23 13:41:40,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:40,933 INFO L225 Difference]: With dead ends: 258 [2018-07-23 13:41:40,933 INFO L226 Difference]: Without dead ends: 256 [2018-07-23 13:41:40,936 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=32131, Invalid=32131, Unknown=0, NotChecked=0, Total=64262 [2018-07-23 13:41:40,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-07-23 13:41:40,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2018-07-23 13:41:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-07-23 13:41:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 256 transitions. [2018-07-23 13:41:40,939 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 256 transitions. Word has length 254 [2018-07-23 13:41:40,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:40,940 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 256 transitions. [2018-07-23 13:41:40,940 INFO L472 AbstractCegarLoop]: Interpolant automaton has 254 states. [2018-07-23 13:41:40,940 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 256 transitions. [2018-07-23 13:41:40,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-07-23 13:41:40,940 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:40,941 INFO L357 BasicCegarLoop]: trace histogram [252, 1, 1, 1] [2018-07-23 13:41:40,941 INFO L414 AbstractCegarLoop]: === Iteration 253 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:40,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1804250429, now seen corresponding path program 252 times [2018-07-23 13:41:40,941 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 31878 backedges. 0 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,663 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:42,663 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [254] total 254 [2018-07-23 13:41:42,664 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,664 INFO L185 omatonBuilderFactory]: Interpolants [164946#(<= ULTIMATE.start_main_~y~4 0), 164947#(<= ULTIMATE.start_main_~y~4 1), 164944#true, 164945#false, 164950#(<= ULTIMATE.start_main_~y~4 4), 164951#(<= ULTIMATE.start_main_~y~4 5), 164948#(<= ULTIMATE.start_main_~y~4 2), 164949#(<= ULTIMATE.start_main_~y~4 3), 164954#(<= ULTIMATE.start_main_~y~4 8), 164955#(<= ULTIMATE.start_main_~y~4 9), 164952#(<= ULTIMATE.start_main_~y~4 6), 164953#(<= ULTIMATE.start_main_~y~4 7), 164958#(<= ULTIMATE.start_main_~y~4 12), 164959#(<= ULTIMATE.start_main_~y~4 13), 164956#(<= ULTIMATE.start_main_~y~4 10), 164957#(<= ULTIMATE.start_main_~y~4 11), 164962#(<= ULTIMATE.start_main_~y~4 16), 164963#(<= ULTIMATE.start_main_~y~4 17), 164960#(<= ULTIMATE.start_main_~y~4 14), 164961#(<= ULTIMATE.start_main_~y~4 15), 164966#(<= ULTIMATE.start_main_~y~4 20), 164967#(<= ULTIMATE.start_main_~y~4 21), 164964#(<= ULTIMATE.start_main_~y~4 18), 164965#(<= ULTIMATE.start_main_~y~4 19), 164970#(<= ULTIMATE.start_main_~y~4 24), 164971#(<= ULTIMATE.start_main_~y~4 25), 164968#(<= ULTIMATE.start_main_~y~4 22), 164969#(<= ULTIMATE.start_main_~y~4 23), 164974#(<= ULTIMATE.start_main_~y~4 28), 164975#(<= ULTIMATE.start_main_~y~4 29), 164972#(<= ULTIMATE.start_main_~y~4 26), 164973#(<= ULTIMATE.start_main_~y~4 27), 164978#(<= ULTIMATE.start_main_~y~4 32), 164979#(<= ULTIMATE.start_main_~y~4 33), 164976#(<= ULTIMATE.start_main_~y~4 30), 164977#(<= ULTIMATE.start_main_~y~4 31), 164982#(<= ULTIMATE.start_main_~y~4 36), 164983#(<= ULTIMATE.start_main_~y~4 37), 164980#(<= ULTIMATE.start_main_~y~4 34), 164981#(<= ULTIMATE.start_main_~y~4 35), 164986#(<= ULTIMATE.start_main_~y~4 40), 164987#(<= ULTIMATE.start_main_~y~4 41), 164984#(<= ULTIMATE.start_main_~y~4 38), 164985#(<= ULTIMATE.start_main_~y~4 39), 164990#(<= ULTIMATE.start_main_~y~4 44), 164991#(<= ULTIMATE.start_main_~y~4 45), 164988#(<= ULTIMATE.start_main_~y~4 42), 164989#(<= ULTIMATE.start_main_~y~4 43), 164994#(<= ULTIMATE.start_main_~y~4 48), 164995#(<= ULTIMATE.start_main_~y~4 49), 164992#(<= ULTIMATE.start_main_~y~4 46), 164993#(<= ULTIMATE.start_main_~y~4 47), 164998#(<= ULTIMATE.start_main_~y~4 52), 164999#(<= ULTIMATE.start_main_~y~4 53), 164996#(<= ULTIMATE.start_main_~y~4 50), 164997#(<= ULTIMATE.start_main_~y~4 51), 165002#(<= ULTIMATE.start_main_~y~4 56), 165003#(<= ULTIMATE.start_main_~y~4 57), 165000#(<= ULTIMATE.start_main_~y~4 54), 165001#(<= ULTIMATE.start_main_~y~4 55), 165006#(<= ULTIMATE.start_main_~y~4 60), 165007#(<= ULTIMATE.start_main_~y~4 61), 165004#(<= ULTIMATE.start_main_~y~4 58), 165005#(<= ULTIMATE.start_main_~y~4 59), 165010#(<= ULTIMATE.start_main_~y~4 64), 165011#(<= ULTIMATE.start_main_~y~4 65), 165008#(<= ULTIMATE.start_main_~y~4 62), 165009#(<= ULTIMATE.start_main_~y~4 63), 165014#(<= ULTIMATE.start_main_~y~4 68), 165015#(<= ULTIMATE.start_main_~y~4 69), 165012#(<= ULTIMATE.start_main_~y~4 66), 165013#(<= ULTIMATE.start_main_~y~4 67), 165018#(<= ULTIMATE.start_main_~y~4 72), 165019#(<= ULTIMATE.start_main_~y~4 73), 165016#(<= ULTIMATE.start_main_~y~4 70), 165017#(<= ULTIMATE.start_main_~y~4 71), 165022#(<= ULTIMATE.start_main_~y~4 76), 165023#(<= ULTIMATE.start_main_~y~4 77), 165020#(<= ULTIMATE.start_main_~y~4 74), 165021#(<= ULTIMATE.start_main_~y~4 75), 165026#(<= ULTIMATE.start_main_~y~4 80), 165027#(<= ULTIMATE.start_main_~y~4 81), 165024#(<= ULTIMATE.start_main_~y~4 78), 165025#(<= ULTIMATE.start_main_~y~4 79), 165030#(<= ULTIMATE.start_main_~y~4 84), 165031#(<= ULTIMATE.start_main_~y~4 85), 165028#(<= ULTIMATE.start_main_~y~4 82), 165029#(<= ULTIMATE.start_main_~y~4 83), 165034#(<= ULTIMATE.start_main_~y~4 88), 165035#(<= ULTIMATE.start_main_~y~4 89), 165032#(<= ULTIMATE.start_main_~y~4 86), 165033#(<= ULTIMATE.start_main_~y~4 87), 165038#(<= ULTIMATE.start_main_~y~4 92), 165039#(<= ULTIMATE.start_main_~y~4 93), 165036#(<= ULTIMATE.start_main_~y~4 90), 165037#(<= ULTIMATE.start_main_~y~4 91), 165042#(<= ULTIMATE.start_main_~y~4 96), 165043#(<= ULTIMATE.start_main_~y~4 97), 165040#(<= ULTIMATE.start_main_~y~4 94), 165041#(<= ULTIMATE.start_main_~y~4 95), 165046#(<= ULTIMATE.start_main_~y~4 100), 165047#(<= ULTIMATE.start_main_~y~4 101), 165044#(<= ULTIMATE.start_main_~y~4 98), 165045#(<= ULTIMATE.start_main_~y~4 99), 165050#(<= ULTIMATE.start_main_~y~4 104), 165051#(<= ULTIMATE.start_main_~y~4 105), 165048#(<= ULTIMATE.start_main_~y~4 102), 165049#(<= ULTIMATE.start_main_~y~4 103), 165054#(<= ULTIMATE.start_main_~y~4 108), 165055#(<= ULTIMATE.start_main_~y~4 109), 165052#(<= ULTIMATE.start_main_~y~4 106), 165053#(<= ULTIMATE.start_main_~y~4 107), 165058#(<= ULTIMATE.start_main_~y~4 112), 165059#(<= ULTIMATE.start_main_~y~4 113), 165056#(<= ULTIMATE.start_main_~y~4 110), 165057#(<= ULTIMATE.start_main_~y~4 111), 165062#(<= ULTIMATE.start_main_~y~4 116), 165063#(<= ULTIMATE.start_main_~y~4 117), 165060#(<= ULTIMATE.start_main_~y~4 114), 165061#(<= ULTIMATE.start_main_~y~4 115), 165066#(<= ULTIMATE.start_main_~y~4 120), 165067#(<= ULTIMATE.start_main_~y~4 121), 165064#(<= ULTIMATE.start_main_~y~4 118), 165065#(<= ULTIMATE.start_main_~y~4 119), 165070#(<= ULTIMATE.start_main_~y~4 124), 165071#(<= ULTIMATE.start_main_~y~4 125), 165068#(<= ULTIMATE.start_main_~y~4 122), 165069#(<= ULTIMATE.start_main_~y~4 123), 165074#(<= ULTIMATE.start_main_~y~4 128), 165075#(<= ULTIMATE.start_main_~y~4 129), 165072#(<= ULTIMATE.start_main_~y~4 126), 165073#(<= ULTIMATE.start_main_~y~4 127), 165078#(<= ULTIMATE.start_main_~y~4 132), 165079#(<= ULTIMATE.start_main_~y~4 133), 165076#(<= ULTIMATE.start_main_~y~4 130), 165077#(<= ULTIMATE.start_main_~y~4 131), 165082#(<= ULTIMATE.start_main_~y~4 136), 165083#(<= ULTIMATE.start_main_~y~4 137), 165080#(<= ULTIMATE.start_main_~y~4 134), 165081#(<= ULTIMATE.start_main_~y~4 135), 165086#(<= ULTIMATE.start_main_~y~4 140), 165087#(<= ULTIMATE.start_main_~y~4 141), 165084#(<= ULTIMATE.start_main_~y~4 138), 165085#(<= ULTIMATE.start_main_~y~4 139), 165090#(<= ULTIMATE.start_main_~y~4 144), 165091#(<= ULTIMATE.start_main_~y~4 145), 165088#(<= ULTIMATE.start_main_~y~4 142), 165089#(<= ULTIMATE.start_main_~y~4 143), 165094#(<= ULTIMATE.start_main_~y~4 148), 165095#(<= ULTIMATE.start_main_~y~4 149), 165092#(<= ULTIMATE.start_main_~y~4 146), 165093#(<= ULTIMATE.start_main_~y~4 147), 165098#(<= ULTIMATE.start_main_~y~4 152), 165099#(<= ULTIMATE.start_main_~y~4 153), 165096#(<= ULTIMATE.start_main_~y~4 150), 165097#(<= ULTIMATE.start_main_~y~4 151), 165102#(<= ULTIMATE.start_main_~y~4 156), 165103#(<= ULTIMATE.start_main_~y~4 157), 165100#(<= ULTIMATE.start_main_~y~4 154), 165101#(<= ULTIMATE.start_main_~y~4 155), 165106#(<= ULTIMATE.start_main_~y~4 160), 165107#(<= ULTIMATE.start_main_~y~4 161), 165104#(<= ULTIMATE.start_main_~y~4 158), 165105#(<= ULTIMATE.start_main_~y~4 159), 165110#(<= ULTIMATE.start_main_~y~4 164), 165111#(<= ULTIMATE.start_main_~y~4 165), 165108#(<= ULTIMATE.start_main_~y~4 162), 165109#(<= ULTIMATE.start_main_~y~4 163), 165114#(<= ULTIMATE.start_main_~y~4 168), 165115#(<= ULTIMATE.start_main_~y~4 169), 165112#(<= ULTIMATE.start_main_~y~4 166), 165113#(<= ULTIMATE.start_main_~y~4 167), 165118#(<= ULTIMATE.start_main_~y~4 172), 165119#(<= ULTIMATE.start_main_~y~4 173), 165116#(<= ULTIMATE.start_main_~y~4 170), 165117#(<= ULTIMATE.start_main_~y~4 171), 165122#(<= ULTIMATE.start_main_~y~4 176), 165123#(<= ULTIMATE.start_main_~y~4 177), 165120#(<= ULTIMATE.start_main_~y~4 174), 165121#(<= ULTIMATE.start_main_~y~4 175), 165126#(<= ULTIMATE.start_main_~y~4 180), 165127#(<= ULTIMATE.start_main_~y~4 181), 165124#(<= ULTIMATE.start_main_~y~4 178), 165125#(<= ULTIMATE.start_main_~y~4 179), 165130#(<= ULTIMATE.start_main_~y~4 184), 165131#(<= ULTIMATE.start_main_~y~4 185), 165128#(<= ULTIMATE.start_main_~y~4 182), 165129#(<= ULTIMATE.start_main_~y~4 183), 165134#(<= ULTIMATE.start_main_~y~4 188), 165135#(<= ULTIMATE.start_main_~y~4 189), 165132#(<= ULTIMATE.start_main_~y~4 186), 165133#(<= ULTIMATE.start_main_~y~4 187), 165138#(<= ULTIMATE.start_main_~y~4 192), 165139#(<= ULTIMATE.start_main_~y~4 193), 165136#(<= ULTIMATE.start_main_~y~4 190), 165137#(<= ULTIMATE.start_main_~y~4 191), 165142#(<= ULTIMATE.start_main_~y~4 196), 165143#(<= ULTIMATE.start_main_~y~4 197), 165140#(<= ULTIMATE.start_main_~y~4 194), 165141#(<= ULTIMATE.start_main_~y~4 195), 165146#(<= ULTIMATE.start_main_~y~4 200), 165147#(<= ULTIMATE.start_main_~y~4 201), 165144#(<= ULTIMATE.start_main_~y~4 198), 165145#(<= ULTIMATE.start_main_~y~4 199), 165150#(<= ULTIMATE.start_main_~y~4 204), 165151#(<= ULTIMATE.start_main_~y~4 205), 165148#(<= ULTIMATE.start_main_~y~4 202), 165149#(<= ULTIMATE.start_main_~y~4 203), 165154#(<= ULTIMATE.start_main_~y~4 208), 165155#(<= ULTIMATE.start_main_~y~4 209), 165152#(<= ULTIMATE.start_main_~y~4 206), 165153#(<= ULTIMATE.start_main_~y~4 207), 165158#(<= ULTIMATE.start_main_~y~4 212), 165159#(<= ULTIMATE.start_main_~y~4 213), 165156#(<= ULTIMATE.start_main_~y~4 210), 165157#(<= ULTIMATE.start_main_~y~4 211), 165162#(<= ULTIMATE.start_main_~y~4 216), 165163#(<= ULTIMATE.start_main_~y~4 217), 165160#(<= ULTIMATE.start_main_~y~4 214), 165161#(<= ULTIMATE.start_main_~y~4 215), 165166#(<= ULTIMATE.start_main_~y~4 220), 165167#(<= ULTIMATE.start_main_~y~4 221), 165164#(<= ULTIMATE.start_main_~y~4 218), 165165#(<= ULTIMATE.start_main_~y~4 219), 165170#(<= ULTIMATE.start_main_~y~4 224), 165171#(<= ULTIMATE.start_main_~y~4 225), 165168#(<= ULTIMATE.start_main_~y~4 222), 165169#(<= ULTIMATE.start_main_~y~4 223), 165174#(<= ULTIMATE.start_main_~y~4 228), 165175#(<= ULTIMATE.start_main_~y~4 229), 165172#(<= ULTIMATE.start_main_~y~4 226), 165173#(<= ULTIMATE.start_main_~y~4 227), 165178#(<= ULTIMATE.start_main_~y~4 232), 165179#(<= ULTIMATE.start_main_~y~4 233), 165176#(<= ULTIMATE.start_main_~y~4 230), 165177#(<= ULTIMATE.start_main_~y~4 231), 165182#(<= ULTIMATE.start_main_~y~4 236), 165183#(<= ULTIMATE.start_main_~y~4 237), 165180#(<= ULTIMATE.start_main_~y~4 234), 165181#(<= ULTIMATE.start_main_~y~4 235), 165186#(<= ULTIMATE.start_main_~y~4 240), 165187#(<= ULTIMATE.start_main_~y~4 241), 165184#(<= ULTIMATE.start_main_~y~4 238), 165185#(<= ULTIMATE.start_main_~y~4 239), 165190#(<= ULTIMATE.start_main_~y~4 244), 165191#(<= ULTIMATE.start_main_~y~4 245), 165188#(<= ULTIMATE.start_main_~y~4 242), 165189#(<= ULTIMATE.start_main_~y~4 243), 165194#(<= ULTIMATE.start_main_~y~4 248), 165195#(<= ULTIMATE.start_main_~y~4 249), 165192#(<= ULTIMATE.start_main_~y~4 246), 165193#(<= ULTIMATE.start_main_~y~4 247), 165198#(<= ULTIMATE.start_main_~y~4 252), 165196#(<= ULTIMATE.start_main_~y~4 250), 165197#(<= ULTIMATE.start_main_~y~4 251)] [2018-07-23 13:41:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 31878 backedges. 0 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,666 INFO L450 AbstractCegarLoop]: Interpolant automaton has 255 states [2018-07-23 13:41:42,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants. [2018-07-23 13:41:42,674 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32385, Invalid=32385, Unknown=0, NotChecked=0, Total=64770 [2018-07-23 13:41:42,674 INFO L87 Difference]: Start difference. First operand 256 states and 256 transitions. Second operand 255 states. [2018-07-23 13:41:45,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:45,440 INFO L93 Difference]: Finished difference Result 259 states and 259 transitions. [2018-07-23 13:41:45,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2018-07-23 13:41:45,441 INFO L78 Accepts]: Start accepts. Automaton has 255 states. Word has length 255 [2018-07-23 13:41:45,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:45,441 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:41:45,441 INFO L226 Difference]: Without dead ends: 257 [2018-07-23 13:41:45,442 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=32385, Invalid=32385, Unknown=0, NotChecked=0, Total=64770 [2018-07-23 13:41:45,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-07-23 13:41:45,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-07-23 13:41:45,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:41:45,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-07-23 13:41:45,445 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 255 [2018-07-23 13:41:45,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:45,445 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-07-23 13:41:45,445 INFO L472 AbstractCegarLoop]: Interpolant automaton has 255 states. [2018-07-23 13:41:45,445 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-07-23 13:41:45,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:41:45,446 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:45,446 INFO L357 BasicCegarLoop]: trace histogram [253, 1, 1, 1] [2018-07-23 13:41:45,446 INFO L414 AbstractCegarLoop]: === Iteration 254 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:45,446 INFO L82 PathProgramCache]: Analyzing trace with hash -97186644, now seen corresponding path program 253 times [2018-07-23 13:41:45,446 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:47,131 INFO L134 CoverageAnalysis]: Checked inductivity of 32131 backedges. 0 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,131 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:47,131 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [255] total 255 [2018-07-23 13:41:47,131 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,132 INFO L185 omatonBuilderFactory]: Interpolants [166402#(<= ULTIMATE.start_main_~y~4 169), 166403#(<= ULTIMATE.start_main_~y~4 170), 166400#(<= ULTIMATE.start_main_~y~4 167), 166401#(<= ULTIMATE.start_main_~y~4 168), 166406#(<= ULTIMATE.start_main_~y~4 173), 166407#(<= ULTIMATE.start_main_~y~4 174), 166404#(<= ULTIMATE.start_main_~y~4 171), 166405#(<= ULTIMATE.start_main_~y~4 172), 166410#(<= ULTIMATE.start_main_~y~4 177), 166411#(<= ULTIMATE.start_main_~y~4 178), 166408#(<= ULTIMATE.start_main_~y~4 175), 166409#(<= ULTIMATE.start_main_~y~4 176), 166414#(<= ULTIMATE.start_main_~y~4 181), 166415#(<= ULTIMATE.start_main_~y~4 182), 166412#(<= ULTIMATE.start_main_~y~4 179), 166413#(<= ULTIMATE.start_main_~y~4 180), 166418#(<= ULTIMATE.start_main_~y~4 185), 166419#(<= ULTIMATE.start_main_~y~4 186), 166416#(<= ULTIMATE.start_main_~y~4 183), 166417#(<= ULTIMATE.start_main_~y~4 184), 166422#(<= ULTIMATE.start_main_~y~4 189), 166423#(<= ULTIMATE.start_main_~y~4 190), 166420#(<= ULTIMATE.start_main_~y~4 187), 166421#(<= ULTIMATE.start_main_~y~4 188), 166426#(<= ULTIMATE.start_main_~y~4 193), 166427#(<= ULTIMATE.start_main_~y~4 194), 166424#(<= ULTIMATE.start_main_~y~4 191), 166425#(<= ULTIMATE.start_main_~y~4 192), 166430#(<= ULTIMATE.start_main_~y~4 197), 166431#(<= ULTIMATE.start_main_~y~4 198), 166428#(<= ULTIMATE.start_main_~y~4 195), 166429#(<= ULTIMATE.start_main_~y~4 196), 166434#(<= ULTIMATE.start_main_~y~4 201), 166435#(<= ULTIMATE.start_main_~y~4 202), 166432#(<= ULTIMATE.start_main_~y~4 199), 166433#(<= ULTIMATE.start_main_~y~4 200), 166438#(<= ULTIMATE.start_main_~y~4 205), 166439#(<= ULTIMATE.start_main_~y~4 206), 166436#(<= ULTIMATE.start_main_~y~4 203), 166437#(<= ULTIMATE.start_main_~y~4 204), 166442#(<= ULTIMATE.start_main_~y~4 209), 166443#(<= ULTIMATE.start_main_~y~4 210), 166440#(<= ULTIMATE.start_main_~y~4 207), 166441#(<= ULTIMATE.start_main_~y~4 208), 166446#(<= ULTIMATE.start_main_~y~4 213), 166447#(<= ULTIMATE.start_main_~y~4 214), 166444#(<= ULTIMATE.start_main_~y~4 211), 166445#(<= ULTIMATE.start_main_~y~4 212), 166450#(<= ULTIMATE.start_main_~y~4 217), 166451#(<= ULTIMATE.start_main_~y~4 218), 166448#(<= ULTIMATE.start_main_~y~4 215), 166449#(<= ULTIMATE.start_main_~y~4 216), 166454#(<= ULTIMATE.start_main_~y~4 221), 166455#(<= ULTIMATE.start_main_~y~4 222), 166452#(<= ULTIMATE.start_main_~y~4 219), 166453#(<= ULTIMATE.start_main_~y~4 220), 166458#(<= ULTIMATE.start_main_~y~4 225), 166459#(<= ULTIMATE.start_main_~y~4 226), 166456#(<= ULTIMATE.start_main_~y~4 223), 166457#(<= ULTIMATE.start_main_~y~4 224), 166462#(<= ULTIMATE.start_main_~y~4 229), 166463#(<= ULTIMATE.start_main_~y~4 230), 166460#(<= ULTIMATE.start_main_~y~4 227), 166461#(<= ULTIMATE.start_main_~y~4 228), 166466#(<= ULTIMATE.start_main_~y~4 233), 166467#(<= ULTIMATE.start_main_~y~4 234), 166464#(<= ULTIMATE.start_main_~y~4 231), 166465#(<= ULTIMATE.start_main_~y~4 232), 166470#(<= ULTIMATE.start_main_~y~4 237), 166471#(<= ULTIMATE.start_main_~y~4 238), 166468#(<= ULTIMATE.start_main_~y~4 235), 166469#(<= ULTIMATE.start_main_~y~4 236), 166474#(<= ULTIMATE.start_main_~y~4 241), 166475#(<= ULTIMATE.start_main_~y~4 242), 166472#(<= ULTIMATE.start_main_~y~4 239), 166473#(<= ULTIMATE.start_main_~y~4 240), 166478#(<= ULTIMATE.start_main_~y~4 245), 166479#(<= ULTIMATE.start_main_~y~4 246), 166476#(<= ULTIMATE.start_main_~y~4 243), 166477#(<= ULTIMATE.start_main_~y~4 244), 166482#(<= ULTIMATE.start_main_~y~4 249), 166483#(<= ULTIMATE.start_main_~y~4 250), 166480#(<= ULTIMATE.start_main_~y~4 247), 166481#(<= ULTIMATE.start_main_~y~4 248), 166486#(<= ULTIMATE.start_main_~y~4 253), 166484#(<= ULTIMATE.start_main_~y~4 251), 166485#(<= ULTIMATE.start_main_~y~4 252), 166231#true, 166234#(<= ULTIMATE.start_main_~y~4 1), 166235#(<= ULTIMATE.start_main_~y~4 2), 166232#false, 166233#(<= ULTIMATE.start_main_~y~4 0), 166238#(<= ULTIMATE.start_main_~y~4 5), 166239#(<= ULTIMATE.start_main_~y~4 6), 166236#(<= ULTIMATE.start_main_~y~4 3), 166237#(<= ULTIMATE.start_main_~y~4 4), 166242#(<= ULTIMATE.start_main_~y~4 9), 166243#(<= ULTIMATE.start_main_~y~4 10), 166240#(<= ULTIMATE.start_main_~y~4 7), 166241#(<= ULTIMATE.start_main_~y~4 8), 166246#(<= ULTIMATE.start_main_~y~4 13), 166247#(<= ULTIMATE.start_main_~y~4 14), 166244#(<= ULTIMATE.start_main_~y~4 11), 166245#(<= ULTIMATE.start_main_~y~4 12), 166250#(<= ULTIMATE.start_main_~y~4 17), 166251#(<= ULTIMATE.start_main_~y~4 18), 166248#(<= ULTIMATE.start_main_~y~4 15), 166249#(<= ULTIMATE.start_main_~y~4 16), 166254#(<= ULTIMATE.start_main_~y~4 21), 166255#(<= ULTIMATE.start_main_~y~4 22), 166252#(<= ULTIMATE.start_main_~y~4 19), 166253#(<= ULTIMATE.start_main_~y~4 20), 166258#(<= ULTIMATE.start_main_~y~4 25), 166259#(<= ULTIMATE.start_main_~y~4 26), 166256#(<= ULTIMATE.start_main_~y~4 23), 166257#(<= ULTIMATE.start_main_~y~4 24), 166262#(<= ULTIMATE.start_main_~y~4 29), 166263#(<= ULTIMATE.start_main_~y~4 30), 166260#(<= ULTIMATE.start_main_~y~4 27), 166261#(<= ULTIMATE.start_main_~y~4 28), 166266#(<= ULTIMATE.start_main_~y~4 33), 166267#(<= ULTIMATE.start_main_~y~4 34), 166264#(<= ULTIMATE.start_main_~y~4 31), 166265#(<= ULTIMATE.start_main_~y~4 32), 166270#(<= ULTIMATE.start_main_~y~4 37), 166271#(<= ULTIMATE.start_main_~y~4 38), 166268#(<= ULTIMATE.start_main_~y~4 35), 166269#(<= ULTIMATE.start_main_~y~4 36), 166274#(<= ULTIMATE.start_main_~y~4 41), 166275#(<= ULTIMATE.start_main_~y~4 42), 166272#(<= ULTIMATE.start_main_~y~4 39), 166273#(<= ULTIMATE.start_main_~y~4 40), 166278#(<= ULTIMATE.start_main_~y~4 45), 166279#(<= ULTIMATE.start_main_~y~4 46), 166276#(<= ULTIMATE.start_main_~y~4 43), 166277#(<= ULTIMATE.start_main_~y~4 44), 166282#(<= ULTIMATE.start_main_~y~4 49), 166283#(<= ULTIMATE.start_main_~y~4 50), 166280#(<= ULTIMATE.start_main_~y~4 47), 166281#(<= ULTIMATE.start_main_~y~4 48), 166286#(<= ULTIMATE.start_main_~y~4 53), 166287#(<= ULTIMATE.start_main_~y~4 54), 166284#(<= ULTIMATE.start_main_~y~4 51), 166285#(<= ULTIMATE.start_main_~y~4 52), 166290#(<= ULTIMATE.start_main_~y~4 57), 166291#(<= ULTIMATE.start_main_~y~4 58), 166288#(<= ULTIMATE.start_main_~y~4 55), 166289#(<= ULTIMATE.start_main_~y~4 56), 166294#(<= ULTIMATE.start_main_~y~4 61), 166295#(<= ULTIMATE.start_main_~y~4 62), 166292#(<= ULTIMATE.start_main_~y~4 59), 166293#(<= ULTIMATE.start_main_~y~4 60), 166298#(<= ULTIMATE.start_main_~y~4 65), 166299#(<= ULTIMATE.start_main_~y~4 66), 166296#(<= ULTIMATE.start_main_~y~4 63), 166297#(<= ULTIMATE.start_main_~y~4 64), 166302#(<= ULTIMATE.start_main_~y~4 69), 166303#(<= ULTIMATE.start_main_~y~4 70), 166300#(<= ULTIMATE.start_main_~y~4 67), 166301#(<= ULTIMATE.start_main_~y~4 68), 166306#(<= ULTIMATE.start_main_~y~4 73), 166307#(<= ULTIMATE.start_main_~y~4 74), 166304#(<= ULTIMATE.start_main_~y~4 71), 166305#(<= ULTIMATE.start_main_~y~4 72), 166310#(<= ULTIMATE.start_main_~y~4 77), 166311#(<= ULTIMATE.start_main_~y~4 78), 166308#(<= ULTIMATE.start_main_~y~4 75), 166309#(<= ULTIMATE.start_main_~y~4 76), 166314#(<= ULTIMATE.start_main_~y~4 81), 166315#(<= ULTIMATE.start_main_~y~4 82), 166312#(<= ULTIMATE.start_main_~y~4 79), 166313#(<= ULTIMATE.start_main_~y~4 80), 166318#(<= ULTIMATE.start_main_~y~4 85), 166319#(<= ULTIMATE.start_main_~y~4 86), 166316#(<= ULTIMATE.start_main_~y~4 83), 166317#(<= ULTIMATE.start_main_~y~4 84), 166322#(<= ULTIMATE.start_main_~y~4 89), 166323#(<= ULTIMATE.start_main_~y~4 90), 166320#(<= ULTIMATE.start_main_~y~4 87), 166321#(<= ULTIMATE.start_main_~y~4 88), 166326#(<= ULTIMATE.start_main_~y~4 93), 166327#(<= ULTIMATE.start_main_~y~4 94), 166324#(<= ULTIMATE.start_main_~y~4 91), 166325#(<= ULTIMATE.start_main_~y~4 92), 166330#(<= ULTIMATE.start_main_~y~4 97), 166331#(<= ULTIMATE.start_main_~y~4 98), 166328#(<= ULTIMATE.start_main_~y~4 95), 166329#(<= ULTIMATE.start_main_~y~4 96), 166334#(<= ULTIMATE.start_main_~y~4 101), 166335#(<= ULTIMATE.start_main_~y~4 102), 166332#(<= ULTIMATE.start_main_~y~4 99), 166333#(<= ULTIMATE.start_main_~y~4 100), 166338#(<= ULTIMATE.start_main_~y~4 105), 166339#(<= ULTIMATE.start_main_~y~4 106), 166336#(<= ULTIMATE.start_main_~y~4 103), 166337#(<= ULTIMATE.start_main_~y~4 104), 166342#(<= ULTIMATE.start_main_~y~4 109), 166343#(<= ULTIMATE.start_main_~y~4 110), 166340#(<= ULTIMATE.start_main_~y~4 107), 166341#(<= ULTIMATE.start_main_~y~4 108), 166346#(<= ULTIMATE.start_main_~y~4 113), 166347#(<= ULTIMATE.start_main_~y~4 114), 166344#(<= ULTIMATE.start_main_~y~4 111), 166345#(<= ULTIMATE.start_main_~y~4 112), 166350#(<= ULTIMATE.start_main_~y~4 117), 166351#(<= ULTIMATE.start_main_~y~4 118), 166348#(<= ULTIMATE.start_main_~y~4 115), 166349#(<= ULTIMATE.start_main_~y~4 116), 166354#(<= ULTIMATE.start_main_~y~4 121), 166355#(<= ULTIMATE.start_main_~y~4 122), 166352#(<= ULTIMATE.start_main_~y~4 119), 166353#(<= ULTIMATE.start_main_~y~4 120), 166358#(<= ULTIMATE.start_main_~y~4 125), 166359#(<= ULTIMATE.start_main_~y~4 126), 166356#(<= ULTIMATE.start_main_~y~4 123), 166357#(<= ULTIMATE.start_main_~y~4 124), 166362#(<= ULTIMATE.start_main_~y~4 129), 166363#(<= ULTIMATE.start_main_~y~4 130), 166360#(<= ULTIMATE.start_main_~y~4 127), 166361#(<= ULTIMATE.start_main_~y~4 128), 166366#(<= ULTIMATE.start_main_~y~4 133), 166367#(<= ULTIMATE.start_main_~y~4 134), 166364#(<= ULTIMATE.start_main_~y~4 131), 166365#(<= ULTIMATE.start_main_~y~4 132), 166370#(<= ULTIMATE.start_main_~y~4 137), 166371#(<= ULTIMATE.start_main_~y~4 138), 166368#(<= ULTIMATE.start_main_~y~4 135), 166369#(<= ULTIMATE.start_main_~y~4 136), 166374#(<= ULTIMATE.start_main_~y~4 141), 166375#(<= ULTIMATE.start_main_~y~4 142), 166372#(<= ULTIMATE.start_main_~y~4 139), 166373#(<= ULTIMATE.start_main_~y~4 140), 166378#(<= ULTIMATE.start_main_~y~4 145), 166379#(<= ULTIMATE.start_main_~y~4 146), 166376#(<= ULTIMATE.start_main_~y~4 143), 166377#(<= ULTIMATE.start_main_~y~4 144), 166382#(<= ULTIMATE.start_main_~y~4 149), 166383#(<= ULTIMATE.start_main_~y~4 150), 166380#(<= ULTIMATE.start_main_~y~4 147), 166381#(<= ULTIMATE.start_main_~y~4 148), 166386#(<= ULTIMATE.start_main_~y~4 153), 166387#(<= ULTIMATE.start_main_~y~4 154), 166384#(<= ULTIMATE.start_main_~y~4 151), 166385#(<= ULTIMATE.start_main_~y~4 152), 166390#(<= ULTIMATE.start_main_~y~4 157), 166391#(<= ULTIMATE.start_main_~y~4 158), 166388#(<= ULTIMATE.start_main_~y~4 155), 166389#(<= ULTIMATE.start_main_~y~4 156), 166394#(<= ULTIMATE.start_main_~y~4 161), 166395#(<= ULTIMATE.start_main_~y~4 162), 166392#(<= ULTIMATE.start_main_~y~4 159), 166393#(<= ULTIMATE.start_main_~y~4 160), 166398#(<= ULTIMATE.start_main_~y~4 165), 166399#(<= ULTIMATE.start_main_~y~4 166), 166396#(<= ULTIMATE.start_main_~y~4 163), 166397#(<= ULTIMATE.start_main_~y~4 164)] [2018-07-23 13:41:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 32131 backedges. 0 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,134 INFO L450 AbstractCegarLoop]: Interpolant automaton has 256 states [2018-07-23 13:41:47,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 256 interpolants. [2018-07-23 13:41:47,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32640, Invalid=32640, Unknown=0, NotChecked=0, Total=65280 [2018-07-23 13:41:47,144 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 256 states. Received shutdown request... [2018-07-23 13:41:47,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:41:47,510 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:41:47,516 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:41:47,516 INFO L202 PluginConnector]: Adding new model const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:41:47 BoogieIcfgContainer [2018-07-23 13:41:47,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:41:47,517 INFO L168 Benchmark]: Toolchain (without parser) took 262513.82 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -477.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-07-23 13:41:47,519 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:41:47,519 INFO L168 Benchmark]: Boogie Preprocessor took 47.55 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:41:47,519 INFO L168 Benchmark]: RCFGBuilder took 220.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:41:47,519 INFO L168 Benchmark]: TraceAbstraction took 262242.22 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -488.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-07-23 13:41:47,521 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.55 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 220.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262242.22 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -488.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 37]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 37). Cancelled while BasicCegarLoop was constructing difference of abstraction (257states) and interpolant automaton (currently 138 states, 256 states before enhancement), while ReachableStatesComputation was computing reachable states (136 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 262.1s OverallTime, 254 OverallIterations, 253 TraceHistogramMax, 114.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 761 SDtfs, 0 SDslu, 16647 SDs, 0 SdLazy, 49165 SolverSat, 485 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32639 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 32385 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 130.1s Time, 0.3s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=253, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/2731135 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 253 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 138.6s InterpolantComputationTime, 32893 NumberOfCodeBlocks, 32893 NumberOfCodeBlocksAsserted, 254 NumberOfCheckSat, 32639 ConstructedInterpolants, 0 QuantifiedInterpolants, 16613759 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 254 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2731135 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/const1.i_3.bplTransformedIcfg_BEv2_6.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-41-47-529.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/const1.i_3.bplTransformedIcfg_BEv2_6.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-41-47-529.csv Completed graceful shutdown