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/fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:40:48,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:40:48,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:40:48,696 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:40:48,696 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:40:48,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:40:48,699 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:40:48,700 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:40:48,702 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:40:48,703 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:40:48,703 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:40:48,704 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:40:48,705 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:40:48,706 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:40:48,707 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:40:48,708 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:40:48,708 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:40:48,710 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:40:48,712 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:40:48,714 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:40:48,715 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:40:48,716 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:40:48,718 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:40:48,719 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:40:48,719 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:40:48,720 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:40:48,721 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:40:48,721 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:40:48,722 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:40:48,723 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:40:48,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:40:48,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 13:40:48,724 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 13:40:48,725 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 13:40:48,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 13:40:48,726 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 13:40:48,727 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 13:40:48,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:40:48,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:40:48,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:40:48,747 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:40:48,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:40:48,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:40:48,748 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:40:48,748 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:40:48,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:40:48,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:40:48,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:40:48,815 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:40:48,816 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:40:48,817 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-07-23 13:40:48,817 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-07-23 13:40:48,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:40:48,886 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:40:48,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:40:48,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:40:48,887 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:40:48,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:48" (1/1) ... [2018-07-23 13:40:48,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:48" (1/1) ... [2018-07-23 13:40:48,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:48" (1/1) ... [2018-07-23 13:40:48,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:48" (1/1) ... [2018-07-23 13:40:48,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:48" (1/1) ... [2018-07-23 13:40:48,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:48" (1/1) ... [2018-07-23 13:40:48,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:48" (1/1) ... [2018-07-23 13:40:48,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:40:48,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:40:48,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:40:48,935 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:40:48,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:48" (1/1) ... [2018-07-23 13:40:49,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:40:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:40:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:40:49,239 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:40:49,240 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:40:49 BoogieIcfgContainer [2018-07-23 13:40:49,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:40:49,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:40:49,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:40:49,249 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:40:49,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:48" (1/2) ... [2018-07-23 13:40:49,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f1ab8c and model type fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:40:49, skipping insertion in model container [2018-07-23 13:40:49,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:40:49" (2/2) ... [2018-07-23 13:40:49,255 INFO L112 eAbstractionObserver]: Analyzing ICFG fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-07-23 13:40:49,265 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:40:49,275 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:40:49,326 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:40:49,327 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:40:49,327 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:40:49,327 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:40:49,327 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:40:49,328 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:40:49,328 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:40:49,328 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:40:49,328 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:40:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-23 13:40:49,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:40:49,356 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:49,357 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-23 13:40:49,358 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:49,364 INFO L82 PathProgramCache]: Analyzing trace with hash 889618619, now seen corresponding path program 1 times [2018-07-23 13:40:49,370 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:49,457 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 13:40:49,459 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:40:49,460 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:40:49,465 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:49,465 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 13:40:49,466 INFO L185 omatonBuilderFactory]: Interpolants [11#true, 12#false, 13#(<= ULTIMATE.start_main_~i~5 0)] [2018-07-23 13:40:49,466 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 13:40:49,467 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:40:49,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:40:49,479 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:40:49,481 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-07-23 13:40:49,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:49,522 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2018-07-23 13:40:49,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:40:49,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-07-23 13:40:49,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:49,537 INFO L225 Difference]: With dead ends: 14 [2018-07-23 13:40:49,537 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:40:49,541 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 13:40:49,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:40:49,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:40:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:40:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-07-23 13:40:49,581 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-07-23 13:40:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:49,582 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-07-23 13:40:49,582 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:40:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-07-23 13:40:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:40:49,583 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:49,583 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-23 13:40:49,584 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:49,584 INFO L82 PathProgramCache]: Analyzing trace with hash 141442743, now seen corresponding path program 1 times [2018-07-23 13:40:49,584 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,617 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:49,618 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:40:49,618 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:49,618 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 13:40:49,619 INFO L185 omatonBuilderFactory]: Interpolants [60#true, 61#false, 62#(<= ULTIMATE.start_main_~i~5 0), 63#(<= ULTIMATE.start_main_~i~5 1)] [2018-07-23 13:40:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,621 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:40:49,622 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:40:49,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:40:49,622 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 4 states. [2018-07-23 13:40:49,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:49,646 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-07-23 13:40:49,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:40:49,649 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-07-23 13:40:49,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:49,650 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:40:49,650 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:40:49,651 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 13:40:49,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:40:49,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:40:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:40:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2018-07-23 13:40:49,657 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2018-07-23 13:40:49,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:49,657 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2018-07-23 13:40:49,657 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:40:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-07-23 13:40:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:40:49,658 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:49,659 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2018-07-23 13:40:49,659 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:49,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1596035661, now seen corresponding path program 2 times [2018-07-23 13:40:49,660 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:49,708 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 13:40:49,708 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:49,708 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:40:49,709 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:49,709 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 13:40:49,709 INFO L185 omatonBuilderFactory]: Interpolants [116#true, 117#false, 118#(<= ULTIMATE.start_main_~i~5 0), 119#(<= ULTIMATE.start_main_~i~5 1), 120#(<= ULTIMATE.start_main_~i~5 2)] [2018-07-23 13:40:49,710 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 13:40:49,710 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:40:49,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:40:49,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:40:49,711 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 5 states. [2018-07-23 13:40:49,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:49,742 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2018-07-23 13:40:49,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:40:49,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-07-23 13:40:49,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:49,744 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:40:49,745 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:40:49,745 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 13:40:49,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:40:49,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:40:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:40:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-07-23 13:40:49,751 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10 [2018-07-23 13:40:49,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:49,752 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2018-07-23 13:40:49,752 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:40:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-07-23 13:40:49,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:40:49,753 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:49,753 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2018-07-23 13:40:49,753 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:49,754 INFO L82 PathProgramCache]: Analyzing trace with hash -570503761, now seen corresponding path program 3 times [2018-07-23 13:40:49,754 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,794 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:49,795 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:40:49,795 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:49,795 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 13:40:49,795 INFO L185 omatonBuilderFactory]: Interpolants [181#true, 182#false, 183#(<= ULTIMATE.start_main_~i~5 0), 184#(<= ULTIMATE.start_main_~i~5 1), 185#(<= ULTIMATE.start_main_~i~5 2), 186#(<= ULTIMATE.start_main_~i~5 3)] [2018-07-23 13:40:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,796 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:40:49,796 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:40:49,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:40:49,797 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 6 states. [2018-07-23 13:40:49,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:49,826 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2018-07-23 13:40:49,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:40:49,827 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-07-23 13:40:49,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:49,828 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:40:49,828 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:40:49,829 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 13:40:49,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:40:49,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:40:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:40:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-07-23 13:40:49,833 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2018-07-23 13:40:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:49,834 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2018-07-23 13:40:49,834 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:40:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-07-23 13:40:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:40:49,835 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:49,835 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1] [2018-07-23 13:40:49,835 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:49,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1418141355, now seen corresponding path program 4 times [2018-07-23 13:40:49,835 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:49,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,909 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:49,909 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:40:49,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:49,910 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 13:40:49,914 INFO L185 omatonBuilderFactory]: Interpolants [256#false, 257#(<= ULTIMATE.start_main_~i~5 0), 258#(<= ULTIMATE.start_main_~i~5 1), 259#(<= ULTIMATE.start_main_~i~5 2), 260#(<= ULTIMATE.start_main_~i~5 3), 261#(<= ULTIMATE.start_main_~i~5 4), 255#true] [2018-07-23 13:40:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,914 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:40:49,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:40:49,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:40:49,915 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 7 states. [2018-07-23 13:40:49,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:49,948 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2018-07-23 13:40:49,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:40:49,948 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-07-23 13:40:49,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:49,949 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:40:49,949 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:40:49,950 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 13:40:49,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:40:49,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:40:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:40:49,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-07-23 13:40:49,955 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 14 [2018-07-23 13:40:49,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:49,956 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-07-23 13:40:49,956 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:40:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-07-23 13:40:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:40:49,957 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:49,957 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1] [2018-07-23 13:40:49,957 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:49,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1245651111, now seen corresponding path program 5 times [2018-07-23 13:40:49,958 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,007 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,007 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:40:50,007 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,008 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 13:40:50,008 INFO L185 omatonBuilderFactory]: Interpolants [338#true, 339#false, 340#(<= ULTIMATE.start_main_~i~5 0), 341#(<= ULTIMATE.start_main_~i~5 1), 342#(<= ULTIMATE.start_main_~i~5 2), 343#(<= ULTIMATE.start_main_~i~5 3), 344#(<= ULTIMATE.start_main_~i~5 4), 345#(<= ULTIMATE.start_main_~i~5 5)] [2018-07-23 13:40:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,009 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:40:50,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:40:50,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:40:50,010 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 8 states. [2018-07-23 13:40:50,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,032 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2018-07-23 13:40:50,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:40:50,033 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-07-23 13:40:50,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,034 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:40:50,034 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:40:50,035 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 13:40:50,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:40:50,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:40:50,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:40:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-07-23 13:40:50,042 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2018-07-23 13:40:50,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,043 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-07-23 13:40:50,043 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:40:50,044 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-07-23 13:40:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:40:50,044 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,045 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1, 1, 1] [2018-07-23 13:40:50,045 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1308716125, now seen corresponding path program 6 times [2018-07-23 13:40:50,045 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,141 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,141 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:40:50,141 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,142 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 13:40:50,142 INFO L185 omatonBuilderFactory]: Interpolants [432#(<= ULTIMATE.start_main_~i~5 0), 433#(<= ULTIMATE.start_main_~i~5 1), 434#(<= ULTIMATE.start_main_~i~5 2), 435#(<= ULTIMATE.start_main_~i~5 3), 436#(<= ULTIMATE.start_main_~i~5 4), 437#(<= ULTIMATE.start_main_~i~5 5), 438#(<= ULTIMATE.start_main_~i~5 6), 430#true, 431#false] [2018-07-23 13:40:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,143 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:40:50,143 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:40:50,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:40:50,148 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 9 states. [2018-07-23 13:40:50,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,200 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2018-07-23 13:40:50,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:40:50,202 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-07-23 13:40:50,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,203 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:40:50,203 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:40:50,207 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 13:40:50,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:40:50,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:40:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:40:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-07-23 13:40:50,221 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 18 [2018-07-23 13:40:50,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,222 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-07-23 13:40:50,222 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:40:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-07-23 13:40:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:40:50,224 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,224 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1, 1, 1] [2018-07-23 13:40:50,224 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,224 INFO L82 PathProgramCache]: Analyzing trace with hash 665663391, now seen corresponding path program 7 times [2018-07-23 13:40:50,225 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,270 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,270 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,272 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:40:50,273 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,273 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 13:40:50,273 INFO L185 omatonBuilderFactory]: Interpolants [531#true, 532#false, 533#(<= ULTIMATE.start_main_~i~5 0), 534#(<= ULTIMATE.start_main_~i~5 1), 535#(<= ULTIMATE.start_main_~i~5 2), 536#(<= ULTIMATE.start_main_~i~5 3), 537#(<= ULTIMATE.start_main_~i~5 4), 538#(<= ULTIMATE.start_main_~i~5 5), 539#(<= ULTIMATE.start_main_~i~5 6), 540#(<= ULTIMATE.start_main_~i~5 7)] [2018-07-23 13:40:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,274 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:40:50,277 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:40:50,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:40:50,277 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 10 states. [2018-07-23 13:40:50,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,298 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2018-07-23 13:40:50,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:40:50,299 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2018-07-23 13:40:50,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,300 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:40:50,300 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:40:50,301 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 13:40:50,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:40:50,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:40:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:40:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-07-23 13:40:50,307 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2018-07-23 13:40:50,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,307 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-07-23 13:40:50,307 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:40:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-07-23 13:40:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:40:50,308 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,309 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 1, 1, 1, 1, 1] [2018-07-23 13:40:50,309 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,309 INFO L82 PathProgramCache]: Analyzing trace with hash -331166565, now seen corresponding path program 8 times [2018-07-23 13:40:50,309 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,360 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,361 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:40:50,361 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,361 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 13:40:50,362 INFO L185 omatonBuilderFactory]: Interpolants [641#true, 642#false, 643#(<= ULTIMATE.start_main_~i~5 0), 644#(<= ULTIMATE.start_main_~i~5 1), 645#(<= ULTIMATE.start_main_~i~5 2), 646#(<= ULTIMATE.start_main_~i~5 3), 647#(<= ULTIMATE.start_main_~i~5 4), 648#(<= ULTIMATE.start_main_~i~5 5), 649#(<= ULTIMATE.start_main_~i~5 6), 650#(<= ULTIMATE.start_main_~i~5 7), 651#(<= ULTIMATE.start_main_~i~5 8)] [2018-07-23 13:40:50,362 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,363 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:40:50,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:40:50,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:40:50,364 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 11 states. [2018-07-23 13:40:50,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,389 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2018-07-23 13:40:50,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:40:50,390 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2018-07-23 13:40:50,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,391 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:40:50,391 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:40:50,395 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 13:40:50,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:40:50,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:40:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:40:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-07-23 13:40:50,405 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 22 [2018-07-23 13:40:50,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,405 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-07-23 13:40:50,405 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:40:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-07-23 13:40:50,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:40:50,407 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,407 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1, 1, 1] [2018-07-23 13:40:50,407 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,407 INFO L82 PathProgramCache]: Analyzing trace with hash -507047273, now seen corresponding path program 9 times [2018-07-23 13:40:50,407 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,467 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,470 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:40:50,471 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,471 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 13:40:50,472 INFO L185 omatonBuilderFactory]: Interpolants [768#(<= ULTIMATE.start_main_~i~5 6), 769#(<= ULTIMATE.start_main_~i~5 7), 770#(<= ULTIMATE.start_main_~i~5 8), 771#(<= ULTIMATE.start_main_~i~5 9), 760#true, 761#false, 762#(<= ULTIMATE.start_main_~i~5 0), 763#(<= ULTIMATE.start_main_~i~5 1), 764#(<= ULTIMATE.start_main_~i~5 2), 765#(<= ULTIMATE.start_main_~i~5 3), 766#(<= ULTIMATE.start_main_~i~5 4), 767#(<= ULTIMATE.start_main_~i~5 5)] [2018-07-23 13:40:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,472 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:40:50,473 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:40:50,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:40:50,474 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 12 states. [2018-07-23 13:40:50,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,497 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2018-07-23 13:40:50,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:40:50,497 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-07-23 13:40:50,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,500 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:40:50,500 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:40:50,501 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 13:40:50,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:40:50,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:40:50,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:40:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-07-23 13:40:50,507 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 24 [2018-07-23 13:40:50,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,507 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-07-23 13:40:50,507 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:40:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-07-23 13:40:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:40:50,508 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,508 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1, 1, 1] [2018-07-23 13:40:50,509 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,509 INFO L82 PathProgramCache]: Analyzing trace with hash -2024683117, now seen corresponding path program 10 times [2018-07-23 13:40:50,509 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,573 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,573 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:40:50,574 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,574 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 13:40:50,574 INFO L185 omatonBuilderFactory]: Interpolants [896#(<= ULTIMATE.start_main_~i~5 6), 897#(<= ULTIMATE.start_main_~i~5 7), 898#(<= ULTIMATE.start_main_~i~5 8), 899#(<= ULTIMATE.start_main_~i~5 9), 900#(<= ULTIMATE.start_main_~i~5 10), 888#true, 889#false, 890#(<= ULTIMATE.start_main_~i~5 0), 891#(<= ULTIMATE.start_main_~i~5 1), 892#(<= ULTIMATE.start_main_~i~5 2), 893#(<= ULTIMATE.start_main_~i~5 3), 894#(<= ULTIMATE.start_main_~i~5 4), 895#(<= ULTIMATE.start_main_~i~5 5)] [2018-07-23 13:40:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,575 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:40:50,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:40:50,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:40:50,576 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 13 states. [2018-07-23 13:40:50,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,594 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-07-23 13:40:50,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:40:50,594 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 26 [2018-07-23 13:40:50,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,595 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:40:50,595 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:40:50,596 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 13:40:50,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:40:50,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:40:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:40:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-07-23 13:40:50,602 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 26 [2018-07-23 13:40:50,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,602 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-07-23 13:40:50,603 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:40:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-07-23 13:40:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:40:50,604 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,604 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1, 1, 1] [2018-07-23 13:40:50,604 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,604 INFO L82 PathProgramCache]: Analyzing trace with hash -183848561, now seen corresponding path program 11 times [2018-07-23 13:40:50,605 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,671 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,671 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:40:50,672 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,672 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 13:40:50,673 INFO L185 omatonBuilderFactory]: Interpolants [1025#true, 1026#false, 1027#(<= ULTIMATE.start_main_~i~5 0), 1028#(<= ULTIMATE.start_main_~i~5 1), 1029#(<= ULTIMATE.start_main_~i~5 2), 1030#(<= ULTIMATE.start_main_~i~5 3), 1031#(<= ULTIMATE.start_main_~i~5 4), 1032#(<= ULTIMATE.start_main_~i~5 5), 1033#(<= ULTIMATE.start_main_~i~5 6), 1034#(<= ULTIMATE.start_main_~i~5 7), 1035#(<= ULTIMATE.start_main_~i~5 8), 1036#(<= ULTIMATE.start_main_~i~5 9), 1037#(<= ULTIMATE.start_main_~i~5 10), 1038#(<= ULTIMATE.start_main_~i~5 11)] [2018-07-23 13:40:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,673 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:40:50,674 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:40:50,674 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:40:50,675 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 14 states. [2018-07-23 13:40:50,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,718 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-07-23 13:40:50,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:40:50,719 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2018-07-23 13:40:50,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,720 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:40:50,720 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:40:50,722 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 13:40:50,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:40:50,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:40:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:40:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-07-23 13:40:50,731 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 28 [2018-07-23 13:40:50,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,731 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2018-07-23 13:40:50,732 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:40:50,732 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-07-23 13:40:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:40:50,733 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,733 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 1, 1, 1, 1, 1] [2018-07-23 13:40:50,735 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,735 INFO L82 PathProgramCache]: Analyzing trace with hash -668366197, now seen corresponding path program 12 times [2018-07-23 13:40:50,735 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,801 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,801 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:40:50,802 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,802 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 13:40:50,803 INFO L185 omatonBuilderFactory]: Interpolants [1184#(<= ULTIMATE.start_main_~i~5 11), 1185#(<= ULTIMATE.start_main_~i~5 12), 1171#true, 1172#false, 1173#(<= ULTIMATE.start_main_~i~5 0), 1174#(<= ULTIMATE.start_main_~i~5 1), 1175#(<= ULTIMATE.start_main_~i~5 2), 1176#(<= ULTIMATE.start_main_~i~5 3), 1177#(<= ULTIMATE.start_main_~i~5 4), 1178#(<= ULTIMATE.start_main_~i~5 5), 1179#(<= ULTIMATE.start_main_~i~5 6), 1180#(<= ULTIMATE.start_main_~i~5 7), 1181#(<= ULTIMATE.start_main_~i~5 8), 1182#(<= ULTIMATE.start_main_~i~5 9), 1183#(<= ULTIMATE.start_main_~i~5 10)] [2018-07-23 13:40:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,803 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:40:50,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:40:50,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:40:50,805 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 15 states. [2018-07-23 13:40:50,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,820 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2018-07-23 13:40:50,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:40:50,820 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-07-23 13:40:50,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,821 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:40:50,822 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:40:50,822 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 13:40:50,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:40:50,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:40:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:40:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-07-23 13:40:50,828 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 30 [2018-07-23 13:40:50,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,829 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-07-23 13:40:50,829 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:40:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-07-23 13:40:50,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:40:50,831 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,831 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1, 1, 1] [2018-07-23 13:40:50,831 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1861620871, now seen corresponding path program 13 times [2018-07-23 13:40:50,832 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,904 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,907 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:40:50,908 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,908 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 13:40:50,912 INFO L185 omatonBuilderFactory]: Interpolants [1326#true, 1327#false, 1328#(<= ULTIMATE.start_main_~i~5 0), 1329#(<= ULTIMATE.start_main_~i~5 1), 1330#(<= ULTIMATE.start_main_~i~5 2), 1331#(<= ULTIMATE.start_main_~i~5 3), 1332#(<= ULTIMATE.start_main_~i~5 4), 1333#(<= ULTIMATE.start_main_~i~5 5), 1334#(<= ULTIMATE.start_main_~i~5 6), 1335#(<= ULTIMATE.start_main_~i~5 7), 1336#(<= ULTIMATE.start_main_~i~5 8), 1337#(<= ULTIMATE.start_main_~i~5 9), 1338#(<= ULTIMATE.start_main_~i~5 10), 1339#(<= ULTIMATE.start_main_~i~5 11), 1340#(<= ULTIMATE.start_main_~i~5 12), 1341#(<= ULTIMATE.start_main_~i~5 13)] [2018-07-23 13:40:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,913 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:40:50,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:40:50,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:40:50,914 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 16 states. [2018-07-23 13:40:50,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,934 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-07-23 13:40:50,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:40:50,935 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 32 [2018-07-23 13:40:50,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,936 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:40:50,936 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:40:50,937 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 13:40:50,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:40:50,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:40:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:40:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-07-23 13:40:50,942 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 32 [2018-07-23 13:40:50,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,943 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-07-23 13:40:50,943 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:40:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-07-23 13:40:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:40:50,944 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,944 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 1, 1, 1, 1, 1] [2018-07-23 13:40:50,945 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,945 INFO L82 PathProgramCache]: Analyzing trace with hash -2067263613, now seen corresponding path program 14 times [2018-07-23 13:40:50,945 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,009 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 13:40:51,010 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,010 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:40:51,010 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,011 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 13:40:51,011 INFO L185 omatonBuilderFactory]: Interpolants [1504#(<= ULTIMATE.start_main_~i~5 12), 1505#(<= ULTIMATE.start_main_~i~5 13), 1506#(<= ULTIMATE.start_main_~i~5 14), 1490#true, 1491#false, 1492#(<= ULTIMATE.start_main_~i~5 0), 1493#(<= ULTIMATE.start_main_~i~5 1), 1494#(<= ULTIMATE.start_main_~i~5 2), 1495#(<= ULTIMATE.start_main_~i~5 3), 1496#(<= ULTIMATE.start_main_~i~5 4), 1497#(<= ULTIMATE.start_main_~i~5 5), 1498#(<= ULTIMATE.start_main_~i~5 6), 1499#(<= ULTIMATE.start_main_~i~5 7), 1500#(<= ULTIMATE.start_main_~i~5 8), 1501#(<= ULTIMATE.start_main_~i~5 9), 1502#(<= ULTIMATE.start_main_~i~5 10), 1503#(<= ULTIMATE.start_main_~i~5 11)] [2018-07-23 13:40:51,011 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 13:40:51,012 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:40:51,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:40:51,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:40:51,013 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 17 states. [2018-07-23 13:40:51,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:51,028 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2018-07-23 13:40:51,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:40:51,028 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 34 [2018-07-23 13:40:51,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:51,029 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:40:51,029 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:40:51,030 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 13:40:51,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:40:51,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:40:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:40:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-07-23 13:40:51,035 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 34 [2018-07-23 13:40:51,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:51,036 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-07-23 13:40:51,036 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:40:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-07-23 13:40:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:40:51,037 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:51,037 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1, 1, 1] [2018-07-23 13:40:51,038 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:51,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1845967743, now seen corresponding path program 15 times [2018-07-23 13:40:51,038 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,103 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,103 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:40:51,104 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,104 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 13:40:51,104 INFO L185 omatonBuilderFactory]: Interpolants [1664#false, 1665#(<= ULTIMATE.start_main_~i~5 0), 1666#(<= ULTIMATE.start_main_~i~5 1), 1667#(<= ULTIMATE.start_main_~i~5 2), 1668#(<= ULTIMATE.start_main_~i~5 3), 1669#(<= ULTIMATE.start_main_~i~5 4), 1670#(<= ULTIMATE.start_main_~i~5 5), 1671#(<= ULTIMATE.start_main_~i~5 6), 1672#(<= ULTIMATE.start_main_~i~5 7), 1673#(<= ULTIMATE.start_main_~i~5 8), 1674#(<= ULTIMATE.start_main_~i~5 9), 1675#(<= ULTIMATE.start_main_~i~5 10), 1676#(<= ULTIMATE.start_main_~i~5 11), 1677#(<= ULTIMATE.start_main_~i~5 12), 1678#(<= ULTIMATE.start_main_~i~5 13), 1679#(<= ULTIMATE.start_main_~i~5 14), 1680#(<= ULTIMATE.start_main_~i~5 15), 1663#true] [2018-07-23 13:40:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,105 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:40:51,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:40:51,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:40:51,106 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 18 states. [2018-07-23 13:40:51,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:51,128 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-07-23 13:40:51,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:40:51,128 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 36 [2018-07-23 13:40:51,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:51,129 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:40:51,129 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:40:51,130 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 13:40:51,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:40:51,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:40:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:40:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-07-23 13:40:51,136 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 36 [2018-07-23 13:40:51,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:51,136 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-07-23 13:40:51,136 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:40:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-07-23 13:40:51,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:40:51,137 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:51,138 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 1, 1, 1, 1, 1] [2018-07-23 13:40:51,138 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:51,138 INFO L82 PathProgramCache]: Analyzing trace with hash 69949563, now seen corresponding path program 16 times [2018-07-23 13:40:51,138 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,207 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,207 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,207 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:40:51,208 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,208 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 13:40:51,209 INFO L185 omatonBuilderFactory]: Interpolants [1856#(<= ULTIMATE.start_main_~i~5 9), 1857#(<= ULTIMATE.start_main_~i~5 10), 1858#(<= ULTIMATE.start_main_~i~5 11), 1859#(<= ULTIMATE.start_main_~i~5 12), 1860#(<= ULTIMATE.start_main_~i~5 13), 1861#(<= ULTIMATE.start_main_~i~5 14), 1862#(<= ULTIMATE.start_main_~i~5 15), 1863#(<= ULTIMATE.start_main_~i~5 16), 1845#true, 1846#false, 1847#(<= ULTIMATE.start_main_~i~5 0), 1848#(<= ULTIMATE.start_main_~i~5 1), 1849#(<= ULTIMATE.start_main_~i~5 2), 1850#(<= ULTIMATE.start_main_~i~5 3), 1851#(<= ULTIMATE.start_main_~i~5 4), 1852#(<= ULTIMATE.start_main_~i~5 5), 1853#(<= ULTIMATE.start_main_~i~5 6), 1854#(<= ULTIMATE.start_main_~i~5 7), 1855#(<= ULTIMATE.start_main_~i~5 8)] [2018-07-23 13:40:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,209 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:40:51,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:40:51,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:40:51,210 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 19 states. [2018-07-23 13:40:51,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:51,228 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2018-07-23 13:40:51,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:40:51,228 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2018-07-23 13:40:51,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:51,229 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:40:51,229 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:40:51,230 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 13:40:51,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:40:51,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:40:51,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:40:51,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-07-23 13:40:51,236 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 38 [2018-07-23 13:40:51,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:51,236 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-07-23 13:40:51,236 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:40:51,236 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-07-23 13:40:51,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:40:51,237 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:51,237 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1, 1, 1] [2018-07-23 13:40:51,238 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:51,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1581504905, now seen corresponding path program 17 times [2018-07-23 13:40:51,238 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,325 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,326 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:40:51,326 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,326 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 13:40:51,327 INFO L185 omatonBuilderFactory]: Interpolants [2048#(<= ULTIMATE.start_main_~i~5 10), 2049#(<= ULTIMATE.start_main_~i~5 11), 2050#(<= ULTIMATE.start_main_~i~5 12), 2051#(<= ULTIMATE.start_main_~i~5 13), 2052#(<= ULTIMATE.start_main_~i~5 14), 2053#(<= ULTIMATE.start_main_~i~5 15), 2054#(<= ULTIMATE.start_main_~i~5 16), 2055#(<= ULTIMATE.start_main_~i~5 17), 2036#true, 2037#false, 2038#(<= ULTIMATE.start_main_~i~5 0), 2039#(<= ULTIMATE.start_main_~i~5 1), 2040#(<= ULTIMATE.start_main_~i~5 2), 2041#(<= ULTIMATE.start_main_~i~5 3), 2042#(<= ULTIMATE.start_main_~i~5 4), 2043#(<= ULTIMATE.start_main_~i~5 5), 2044#(<= ULTIMATE.start_main_~i~5 6), 2045#(<= ULTIMATE.start_main_~i~5 7), 2046#(<= ULTIMATE.start_main_~i~5 8), 2047#(<= ULTIMATE.start_main_~i~5 9)] [2018-07-23 13:40:51,327 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,327 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:40:51,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:40:51,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:40:51,329 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 20 states. [2018-07-23 13:40:51,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:51,346 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-07-23 13:40:51,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:40:51,346 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 40 [2018-07-23 13:40:51,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:51,347 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:40:51,347 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:40:51,348 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 13:40:51,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:40:51,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:40:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:40:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2018-07-23 13:40:51,353 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 40 [2018-07-23 13:40:51,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:51,354 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2018-07-23 13:40:51,354 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:40:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-07-23 13:40:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:40:51,355 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:51,355 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 1, 1, 1, 1, 1] [2018-07-23 13:40:51,355 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:51,356 INFO L82 PathProgramCache]: Analyzing trace with hash 508650867, now seen corresponding path program 18 times [2018-07-23 13:40:51,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,437 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,437 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:40:51,438 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,438 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 13:40:51,438 INFO L185 omatonBuilderFactory]: Interpolants [2240#(<= ULTIMATE.start_main_~i~5 2), 2241#(<= ULTIMATE.start_main_~i~5 3), 2242#(<= ULTIMATE.start_main_~i~5 4), 2243#(<= ULTIMATE.start_main_~i~5 5), 2244#(<= ULTIMATE.start_main_~i~5 6), 2245#(<= ULTIMATE.start_main_~i~5 7), 2246#(<= ULTIMATE.start_main_~i~5 8), 2247#(<= ULTIMATE.start_main_~i~5 9), 2248#(<= ULTIMATE.start_main_~i~5 10), 2249#(<= ULTIMATE.start_main_~i~5 11), 2250#(<= ULTIMATE.start_main_~i~5 12), 2251#(<= ULTIMATE.start_main_~i~5 13), 2252#(<= ULTIMATE.start_main_~i~5 14), 2253#(<= ULTIMATE.start_main_~i~5 15), 2254#(<= ULTIMATE.start_main_~i~5 16), 2255#(<= ULTIMATE.start_main_~i~5 17), 2256#(<= ULTIMATE.start_main_~i~5 18), 2236#true, 2237#false, 2238#(<= ULTIMATE.start_main_~i~5 0), 2239#(<= ULTIMATE.start_main_~i~5 1)] [2018-07-23 13:40:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,439 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:40:51,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:40:51,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:40:51,440 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 21 states. [2018-07-23 13:40:51,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:51,463 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2018-07-23 13:40:51,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:40:51,463 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 42 [2018-07-23 13:40:51,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:51,464 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:40:51,464 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:40:51,465 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 13:40:51,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:40:51,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:40:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:40:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-07-23 13:40:51,480 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 42 [2018-07-23 13:40:51,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:51,481 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-07-23 13:40:51,481 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:40:51,481 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-07-23 13:40:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:40:51,482 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:51,482 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1, 1, 1] [2018-07-23 13:40:51,482 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:51,483 INFO L82 PathProgramCache]: Analyzing trace with hash -896346769, now seen corresponding path program 19 times [2018-07-23 13:40:51,483 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,572 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:40:51,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,572 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 13:40:51,573 INFO L185 omatonBuilderFactory]: Interpolants [2464#(<= ULTIMATE.start_main_~i~5 17), 2465#(<= ULTIMATE.start_main_~i~5 18), 2466#(<= ULTIMATE.start_main_~i~5 19), 2445#true, 2446#false, 2447#(<= ULTIMATE.start_main_~i~5 0), 2448#(<= ULTIMATE.start_main_~i~5 1), 2449#(<= ULTIMATE.start_main_~i~5 2), 2450#(<= ULTIMATE.start_main_~i~5 3), 2451#(<= ULTIMATE.start_main_~i~5 4), 2452#(<= ULTIMATE.start_main_~i~5 5), 2453#(<= ULTIMATE.start_main_~i~5 6), 2454#(<= ULTIMATE.start_main_~i~5 7), 2455#(<= ULTIMATE.start_main_~i~5 8), 2456#(<= ULTIMATE.start_main_~i~5 9), 2457#(<= ULTIMATE.start_main_~i~5 10), 2458#(<= ULTIMATE.start_main_~i~5 11), 2459#(<= ULTIMATE.start_main_~i~5 12), 2460#(<= ULTIMATE.start_main_~i~5 13), 2461#(<= ULTIMATE.start_main_~i~5 14), 2462#(<= ULTIMATE.start_main_~i~5 15), 2463#(<= ULTIMATE.start_main_~i~5 16)] [2018-07-23 13:40:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:40:51,574 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:40:51,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:40:51,575 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 22 states. [2018-07-23 13:40:51,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:51,593 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2018-07-23 13:40:51,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:40:51,594 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 44 [2018-07-23 13:40:51,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:51,594 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:40:51,595 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:40:51,595 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 13:40:51,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:40:51,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:40:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:40:51,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-07-23 13:40:51,601 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 44 [2018-07-23 13:40:51,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:51,601 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-07-23 13:40:51,601 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:40:51,601 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-07-23 13:40:51,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:40:51,602 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:51,602 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 1, 1, 1, 1, 1] [2018-07-23 13:40:51,603 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:51,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1815623275, now seen corresponding path program 20 times [2018-07-23 13:40:51,603 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,709 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,709 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:40:51,709 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,710 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 13:40:51,711 INFO L185 omatonBuilderFactory]: Interpolants [2663#true, 2664#false, 2665#(<= ULTIMATE.start_main_~i~5 0), 2666#(<= ULTIMATE.start_main_~i~5 1), 2667#(<= ULTIMATE.start_main_~i~5 2), 2668#(<= ULTIMATE.start_main_~i~5 3), 2669#(<= ULTIMATE.start_main_~i~5 4), 2670#(<= ULTIMATE.start_main_~i~5 5), 2671#(<= ULTIMATE.start_main_~i~5 6), 2672#(<= ULTIMATE.start_main_~i~5 7), 2673#(<= ULTIMATE.start_main_~i~5 8), 2674#(<= ULTIMATE.start_main_~i~5 9), 2675#(<= ULTIMATE.start_main_~i~5 10), 2676#(<= ULTIMATE.start_main_~i~5 11), 2677#(<= ULTIMATE.start_main_~i~5 12), 2678#(<= ULTIMATE.start_main_~i~5 13), 2679#(<= ULTIMATE.start_main_~i~5 14), 2680#(<= ULTIMATE.start_main_~i~5 15), 2681#(<= ULTIMATE.start_main_~i~5 16), 2682#(<= ULTIMATE.start_main_~i~5 17), 2683#(<= ULTIMATE.start_main_~i~5 18), 2684#(<= ULTIMATE.start_main_~i~5 19), 2685#(<= ULTIMATE.start_main_~i~5 20)] [2018-07-23 13:40:51,712 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,712 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:40:51,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:40:51,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:40:51,715 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 23 states. [2018-07-23 13:40:51,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:51,744 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-07-23 13:40:51,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:40:51,744 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 46 [2018-07-23 13:40:51,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:51,745 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:40:51,745 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:40:51,746 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 13:40:51,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:40:51,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:40:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:40:51,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-07-23 13:40:51,752 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 46 [2018-07-23 13:40:51,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:51,752 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-07-23 13:40:51,752 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:40:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-07-23 13:40:51,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:40:51,754 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:51,754 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1, 1, 1] [2018-07-23 13:40:51,754 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:51,755 INFO L82 PathProgramCache]: Analyzing trace with hash 973686887, now seen corresponding path program 21 times [2018-07-23 13:40:51,755 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,883 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,883 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:40:51,883 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,884 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 13:40:51,884 INFO L185 omatonBuilderFactory]: Interpolants [2912#(<= ULTIMATE.start_main_~i~5 20), 2913#(<= ULTIMATE.start_main_~i~5 21), 2890#true, 2891#false, 2892#(<= ULTIMATE.start_main_~i~5 0), 2893#(<= ULTIMATE.start_main_~i~5 1), 2894#(<= ULTIMATE.start_main_~i~5 2), 2895#(<= ULTIMATE.start_main_~i~5 3), 2896#(<= ULTIMATE.start_main_~i~5 4), 2897#(<= ULTIMATE.start_main_~i~5 5), 2898#(<= ULTIMATE.start_main_~i~5 6), 2899#(<= ULTIMATE.start_main_~i~5 7), 2900#(<= ULTIMATE.start_main_~i~5 8), 2901#(<= ULTIMATE.start_main_~i~5 9), 2902#(<= ULTIMATE.start_main_~i~5 10), 2903#(<= ULTIMATE.start_main_~i~5 11), 2904#(<= ULTIMATE.start_main_~i~5 12), 2905#(<= ULTIMATE.start_main_~i~5 13), 2906#(<= ULTIMATE.start_main_~i~5 14), 2907#(<= ULTIMATE.start_main_~i~5 15), 2908#(<= ULTIMATE.start_main_~i~5 16), 2909#(<= ULTIMATE.start_main_~i~5 17), 2910#(<= ULTIMATE.start_main_~i~5 18), 2911#(<= ULTIMATE.start_main_~i~5 19)] [2018-07-23 13:40:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,885 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:40:51,886 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:40:51,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:40:51,887 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 24 states. [2018-07-23 13:40:51,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:51,907 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-07-23 13:40:51,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:40:51,907 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 48 [2018-07-23 13:40:51,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:51,911 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:40:51,911 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:40:51,912 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 13:40:51,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:40:51,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:40:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:40:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-07-23 13:40:51,928 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 48 [2018-07-23 13:40:51,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:51,928 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-07-23 13:40:51,929 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:40:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-07-23 13:40:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:40:51,933 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:51,933 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 1, 1, 1, 1, 1] [2018-07-23 13:40:51,933 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:51,934 INFO L82 PathProgramCache]: Analyzing trace with hash -673330333, now seen corresponding path program 22 times [2018-07-23 13:40:51,934 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,067 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:52,067 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:40:52,068 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:52,068 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 13:40:52,069 INFO L185 omatonBuilderFactory]: Interpolants [3136#(<= ULTIMATE.start_main_~i~5 8), 3137#(<= ULTIMATE.start_main_~i~5 9), 3138#(<= ULTIMATE.start_main_~i~5 10), 3139#(<= ULTIMATE.start_main_~i~5 11), 3140#(<= ULTIMATE.start_main_~i~5 12), 3141#(<= ULTIMATE.start_main_~i~5 13), 3142#(<= ULTIMATE.start_main_~i~5 14), 3143#(<= ULTIMATE.start_main_~i~5 15), 3144#(<= ULTIMATE.start_main_~i~5 16), 3145#(<= ULTIMATE.start_main_~i~5 17), 3146#(<= ULTIMATE.start_main_~i~5 18), 3147#(<= ULTIMATE.start_main_~i~5 19), 3148#(<= ULTIMATE.start_main_~i~5 20), 3149#(<= ULTIMATE.start_main_~i~5 21), 3150#(<= ULTIMATE.start_main_~i~5 22), 3126#true, 3127#false, 3128#(<= ULTIMATE.start_main_~i~5 0), 3129#(<= ULTIMATE.start_main_~i~5 1), 3130#(<= ULTIMATE.start_main_~i~5 2), 3131#(<= ULTIMATE.start_main_~i~5 3), 3132#(<= ULTIMATE.start_main_~i~5 4), 3133#(<= ULTIMATE.start_main_~i~5 5), 3134#(<= ULTIMATE.start_main_~i~5 6), 3135#(<= ULTIMATE.start_main_~i~5 7)] [2018-07-23 13:40:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,070 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:40:52,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:40:52,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:40:52,071 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 25 states. [2018-07-23 13:40:52,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:52,103 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-07-23 13:40:52,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:40:52,103 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 50 [2018-07-23 13:40:52,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:52,104 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:40:52,104 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:40:52,105 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 13:40:52,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:40:52,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:40:52,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:40:52,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2018-07-23 13:40:52,109 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 50 [2018-07-23 13:40:52,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:52,110 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2018-07-23 13:40:52,110 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:40:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-07-23 13:40:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:40:52,112 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:52,112 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1, 1, 1] [2018-07-23 13:40:52,112 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:52,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1386053471, now seen corresponding path program 23 times [2018-07-23 13:40:52,113 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,247 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:52,247 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:40:52,247 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:52,248 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 13:40:52,248 INFO L185 omatonBuilderFactory]: Interpolants [3392#(<= ULTIMATE.start_main_~i~5 19), 3393#(<= ULTIMATE.start_main_~i~5 20), 3394#(<= ULTIMATE.start_main_~i~5 21), 3395#(<= ULTIMATE.start_main_~i~5 22), 3396#(<= ULTIMATE.start_main_~i~5 23), 3371#true, 3372#false, 3373#(<= ULTIMATE.start_main_~i~5 0), 3374#(<= ULTIMATE.start_main_~i~5 1), 3375#(<= ULTIMATE.start_main_~i~5 2), 3376#(<= ULTIMATE.start_main_~i~5 3), 3377#(<= ULTIMATE.start_main_~i~5 4), 3378#(<= ULTIMATE.start_main_~i~5 5), 3379#(<= ULTIMATE.start_main_~i~5 6), 3380#(<= ULTIMATE.start_main_~i~5 7), 3381#(<= ULTIMATE.start_main_~i~5 8), 3382#(<= ULTIMATE.start_main_~i~5 9), 3383#(<= ULTIMATE.start_main_~i~5 10), 3384#(<= ULTIMATE.start_main_~i~5 11), 3385#(<= ULTIMATE.start_main_~i~5 12), 3386#(<= ULTIMATE.start_main_~i~5 13), 3387#(<= ULTIMATE.start_main_~i~5 14), 3388#(<= ULTIMATE.start_main_~i~5 15), 3389#(<= ULTIMATE.start_main_~i~5 16), 3390#(<= ULTIMATE.start_main_~i~5 17), 3391#(<= ULTIMATE.start_main_~i~5 18)] [2018-07-23 13:40:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,249 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:40:52,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:40:52,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:40:52,255 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 26 states. [2018-07-23 13:40:52,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:52,273 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2018-07-23 13:40:52,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:40:52,274 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 52 [2018-07-23 13:40:52,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:52,275 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:40:52,275 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:40:52,276 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 13:40:52,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:40:52,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:40:52,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:40:52,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2018-07-23 13:40:52,287 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 52 [2018-07-23 13:40:52,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:52,288 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2018-07-23 13:40:52,288 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:40:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-07-23 13:40:52,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:40:52,289 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:52,289 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 1, 1, 1, 1, 1] [2018-07-23 13:40:52,289 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:52,289 INFO L82 PathProgramCache]: Analyzing trace with hash 473965659, now seen corresponding path program 24 times [2018-07-23 13:40:52,290 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:52,426 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,427 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:52,427 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:40:52,427 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:52,428 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 13:40:52,428 INFO L185 omatonBuilderFactory]: Interpolants [3648#(<= ULTIMATE.start_main_~i~5 21), 3649#(<= ULTIMATE.start_main_~i~5 22), 3650#(<= ULTIMATE.start_main_~i~5 23), 3651#(<= ULTIMATE.start_main_~i~5 24), 3625#true, 3626#false, 3627#(<= ULTIMATE.start_main_~i~5 0), 3628#(<= ULTIMATE.start_main_~i~5 1), 3629#(<= ULTIMATE.start_main_~i~5 2), 3630#(<= ULTIMATE.start_main_~i~5 3), 3631#(<= ULTIMATE.start_main_~i~5 4), 3632#(<= ULTIMATE.start_main_~i~5 5), 3633#(<= ULTIMATE.start_main_~i~5 6), 3634#(<= ULTIMATE.start_main_~i~5 7), 3635#(<= ULTIMATE.start_main_~i~5 8), 3636#(<= ULTIMATE.start_main_~i~5 9), 3637#(<= ULTIMATE.start_main_~i~5 10), 3638#(<= ULTIMATE.start_main_~i~5 11), 3639#(<= ULTIMATE.start_main_~i~5 12), 3640#(<= ULTIMATE.start_main_~i~5 13), 3641#(<= ULTIMATE.start_main_~i~5 14), 3642#(<= ULTIMATE.start_main_~i~5 15), 3643#(<= ULTIMATE.start_main_~i~5 16), 3644#(<= ULTIMATE.start_main_~i~5 17), 3645#(<= ULTIMATE.start_main_~i~5 18), 3646#(<= ULTIMATE.start_main_~i~5 19), 3647#(<= ULTIMATE.start_main_~i~5 20)] [2018-07-23 13:40:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,429 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:40:52,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:40:52,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:40:52,431 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 27 states. [2018-07-23 13:40:52,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:52,454 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-07-23 13:40:52,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:40:52,455 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 54 [2018-07-23 13:40:52,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:52,456 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:40:52,456 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:40:52,457 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 13:40:52,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:40:52,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:40:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:40:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2018-07-23 13:40:52,463 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 54 [2018-07-23 13:40:52,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:52,465 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2018-07-23 13:40:52,465 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:40:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-07-23 13:40:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:40:52,466 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:52,467 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1, 1, 1] [2018-07-23 13:40:52,467 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:52,467 INFO L82 PathProgramCache]: Analyzing trace with hash 130906711, now seen corresponding path program 25 times [2018-07-23 13:40:52,467 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,617 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:52,617 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:40:52,617 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:52,617 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 13:40:52,618 INFO L185 omatonBuilderFactory]: Interpolants [3904#(<= ULTIMATE.start_main_~i~5 14), 3905#(<= ULTIMATE.start_main_~i~5 15), 3906#(<= ULTIMATE.start_main_~i~5 16), 3907#(<= ULTIMATE.start_main_~i~5 17), 3908#(<= ULTIMATE.start_main_~i~5 18), 3909#(<= ULTIMATE.start_main_~i~5 19), 3910#(<= ULTIMATE.start_main_~i~5 20), 3911#(<= ULTIMATE.start_main_~i~5 21), 3912#(<= ULTIMATE.start_main_~i~5 22), 3913#(<= ULTIMATE.start_main_~i~5 23), 3914#(<= ULTIMATE.start_main_~i~5 24), 3915#(<= ULTIMATE.start_main_~i~5 25), 3888#true, 3889#false, 3890#(<= ULTIMATE.start_main_~i~5 0), 3891#(<= ULTIMATE.start_main_~i~5 1), 3892#(<= ULTIMATE.start_main_~i~5 2), 3893#(<= ULTIMATE.start_main_~i~5 3), 3894#(<= ULTIMATE.start_main_~i~5 4), 3895#(<= ULTIMATE.start_main_~i~5 5), 3896#(<= ULTIMATE.start_main_~i~5 6), 3897#(<= ULTIMATE.start_main_~i~5 7), 3898#(<= ULTIMATE.start_main_~i~5 8), 3899#(<= ULTIMATE.start_main_~i~5 9), 3900#(<= ULTIMATE.start_main_~i~5 10), 3901#(<= ULTIMATE.start_main_~i~5 11), 3902#(<= ULTIMATE.start_main_~i~5 12), 3903#(<= ULTIMATE.start_main_~i~5 13)] [2018-07-23 13:40:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,619 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:40:52,619 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:40:52,620 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:40:52,620 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 28 states. [2018-07-23 13:40:52,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:52,644 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2018-07-23 13:40:52,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:40:52,644 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 56 [2018-07-23 13:40:52,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:52,645 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:40:52,645 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:40:52,646 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 13:40:52,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:40:52,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:40:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:40:52,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2018-07-23 13:40:52,651 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 56 [2018-07-23 13:40:52,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:52,651 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2018-07-23 13:40:52,651 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:40:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-07-23 13:40:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:40:52,652 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:52,656 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 1, 1, 1, 1, 1] [2018-07-23 13:40:52,656 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:52,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1163739475, now seen corresponding path program 26 times [2018-07-23 13:40:52,657 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,825 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:52,825 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:40:52,825 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:52,825 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 13:40:52,826 INFO L185 omatonBuilderFactory]: Interpolants [4160#true, 4161#false, 4162#(<= ULTIMATE.start_main_~i~5 0), 4163#(<= ULTIMATE.start_main_~i~5 1), 4164#(<= ULTIMATE.start_main_~i~5 2), 4165#(<= ULTIMATE.start_main_~i~5 3), 4166#(<= ULTIMATE.start_main_~i~5 4), 4167#(<= ULTIMATE.start_main_~i~5 5), 4168#(<= ULTIMATE.start_main_~i~5 6), 4169#(<= ULTIMATE.start_main_~i~5 7), 4170#(<= ULTIMATE.start_main_~i~5 8), 4171#(<= ULTIMATE.start_main_~i~5 9), 4172#(<= ULTIMATE.start_main_~i~5 10), 4173#(<= ULTIMATE.start_main_~i~5 11), 4174#(<= ULTIMATE.start_main_~i~5 12), 4175#(<= ULTIMATE.start_main_~i~5 13), 4176#(<= ULTIMATE.start_main_~i~5 14), 4177#(<= ULTIMATE.start_main_~i~5 15), 4178#(<= ULTIMATE.start_main_~i~5 16), 4179#(<= ULTIMATE.start_main_~i~5 17), 4180#(<= ULTIMATE.start_main_~i~5 18), 4181#(<= ULTIMATE.start_main_~i~5 19), 4182#(<= ULTIMATE.start_main_~i~5 20), 4183#(<= ULTIMATE.start_main_~i~5 21), 4184#(<= ULTIMATE.start_main_~i~5 22), 4185#(<= ULTIMATE.start_main_~i~5 23), 4186#(<= ULTIMATE.start_main_~i~5 24), 4187#(<= ULTIMATE.start_main_~i~5 25), 4188#(<= ULTIMATE.start_main_~i~5 26)] [2018-07-23 13:40:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,827 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:40:52,827 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:40:52,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:40:52,829 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 29 states. [2018-07-23 13:40:52,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:52,860 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2018-07-23 13:40:52,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:40:52,860 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 58 [2018-07-23 13:40:52,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:52,861 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:40:52,861 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:40:52,862 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 13:40:52,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:40:52,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:40:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:40:52,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2018-07-23 13:40:52,869 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 58 [2018-07-23 13:40:52,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:52,869 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2018-07-23 13:40:52,869 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:40:52,869 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-07-23 13:40:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:40:52,870 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:52,870 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1, 1, 1] [2018-07-23 13:40:52,870 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:52,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1578580303, now seen corresponding path program 27 times [2018-07-23 13:40:52,871 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:53,027 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,028 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:53,028 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:40:53,028 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:53,029 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 13:40:53,029 INFO L185 omatonBuilderFactory]: Interpolants [4441#true, 4442#false, 4443#(<= ULTIMATE.start_main_~i~5 0), 4444#(<= ULTIMATE.start_main_~i~5 1), 4445#(<= ULTIMATE.start_main_~i~5 2), 4446#(<= ULTIMATE.start_main_~i~5 3), 4447#(<= ULTIMATE.start_main_~i~5 4), 4448#(<= ULTIMATE.start_main_~i~5 5), 4449#(<= ULTIMATE.start_main_~i~5 6), 4450#(<= ULTIMATE.start_main_~i~5 7), 4451#(<= ULTIMATE.start_main_~i~5 8), 4452#(<= ULTIMATE.start_main_~i~5 9), 4453#(<= ULTIMATE.start_main_~i~5 10), 4454#(<= ULTIMATE.start_main_~i~5 11), 4455#(<= ULTIMATE.start_main_~i~5 12), 4456#(<= ULTIMATE.start_main_~i~5 13), 4457#(<= ULTIMATE.start_main_~i~5 14), 4458#(<= ULTIMATE.start_main_~i~5 15), 4459#(<= ULTIMATE.start_main_~i~5 16), 4460#(<= ULTIMATE.start_main_~i~5 17), 4461#(<= ULTIMATE.start_main_~i~5 18), 4462#(<= ULTIMATE.start_main_~i~5 19), 4463#(<= ULTIMATE.start_main_~i~5 20), 4464#(<= ULTIMATE.start_main_~i~5 21), 4465#(<= ULTIMATE.start_main_~i~5 22), 4466#(<= ULTIMATE.start_main_~i~5 23), 4467#(<= ULTIMATE.start_main_~i~5 24), 4468#(<= ULTIMATE.start_main_~i~5 25), 4469#(<= ULTIMATE.start_main_~i~5 26), 4470#(<= ULTIMATE.start_main_~i~5 27)] [2018-07-23 13:40:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,033 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:40:53,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:40:53,034 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:40:53,034 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand 30 states. [2018-07-23 13:40:53,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:53,115 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2018-07-23 13:40:53,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:40:53,116 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 60 [2018-07-23 13:40:53,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:53,117 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:40:53,117 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:40:53,118 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 13:40:53,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:40:53,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:40:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:40:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2018-07-23 13:40:53,131 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 60 [2018-07-23 13:40:53,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:53,131 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2018-07-23 13:40:53,131 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:40:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-07-23 13:40:53,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:40:53,132 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:53,132 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 1, 1, 1, 1, 1] [2018-07-23 13:40:53,132 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:53,132 INFO L82 PathProgramCache]: Analyzing trace with hash 808657483, now seen corresponding path program 28 times [2018-07-23 13:40:53,133 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,292 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:53,292 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:40:53,292 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:53,293 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 13:40:53,293 INFO L185 omatonBuilderFactory]: Interpolants [4736#(<= ULTIMATE.start_main_~i~5 3), 4737#(<= ULTIMATE.start_main_~i~5 4), 4738#(<= ULTIMATE.start_main_~i~5 5), 4739#(<= ULTIMATE.start_main_~i~5 6), 4740#(<= ULTIMATE.start_main_~i~5 7), 4741#(<= ULTIMATE.start_main_~i~5 8), 4742#(<= ULTIMATE.start_main_~i~5 9), 4743#(<= ULTIMATE.start_main_~i~5 10), 4744#(<= ULTIMATE.start_main_~i~5 11), 4745#(<= ULTIMATE.start_main_~i~5 12), 4746#(<= ULTIMATE.start_main_~i~5 13), 4747#(<= ULTIMATE.start_main_~i~5 14), 4748#(<= ULTIMATE.start_main_~i~5 15), 4749#(<= ULTIMATE.start_main_~i~5 16), 4750#(<= ULTIMATE.start_main_~i~5 17), 4751#(<= ULTIMATE.start_main_~i~5 18), 4752#(<= ULTIMATE.start_main_~i~5 19), 4753#(<= ULTIMATE.start_main_~i~5 20), 4754#(<= ULTIMATE.start_main_~i~5 21), 4755#(<= ULTIMATE.start_main_~i~5 22), 4756#(<= ULTIMATE.start_main_~i~5 23), 4757#(<= ULTIMATE.start_main_~i~5 24), 4758#(<= ULTIMATE.start_main_~i~5 25), 4759#(<= ULTIMATE.start_main_~i~5 26), 4760#(<= ULTIMATE.start_main_~i~5 27), 4761#(<= ULTIMATE.start_main_~i~5 28), 4731#true, 4732#false, 4733#(<= ULTIMATE.start_main_~i~5 0), 4734#(<= ULTIMATE.start_main_~i~5 1), 4735#(<= ULTIMATE.start_main_~i~5 2)] [2018-07-23 13:40:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,294 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:40:53,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:40:53,295 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:40:53,296 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 31 states. [2018-07-23 13:40:53,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:53,323 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2018-07-23 13:40:53,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:40:53,324 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 62 [2018-07-23 13:40:53,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:53,324 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:40:53,325 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:40:53,326 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:40:53,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:40:53,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:40:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:40:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2018-07-23 13:40:53,331 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 62 [2018-07-23 13:40:53,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:53,331 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2018-07-23 13:40:53,331 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:40:53,331 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-07-23 13:40:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:40:53,332 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:53,332 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1, 1, 1] [2018-07-23 13:40:53,332 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:53,333 INFO L82 PathProgramCache]: Analyzing trace with hash -352797625, now seen corresponding path program 29 times [2018-07-23 13:40:53,333 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,473 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:53,473 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:40:53,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:53,474 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 13:40:53,474 INFO L185 omatonBuilderFactory]: Interpolants [5056#(<= ULTIMATE.start_main_~i~5 24), 5057#(<= ULTIMATE.start_main_~i~5 25), 5058#(<= ULTIMATE.start_main_~i~5 26), 5059#(<= ULTIMATE.start_main_~i~5 27), 5060#(<= ULTIMATE.start_main_~i~5 28), 5061#(<= ULTIMATE.start_main_~i~5 29), 5030#true, 5031#false, 5032#(<= ULTIMATE.start_main_~i~5 0), 5033#(<= ULTIMATE.start_main_~i~5 1), 5034#(<= ULTIMATE.start_main_~i~5 2), 5035#(<= ULTIMATE.start_main_~i~5 3), 5036#(<= ULTIMATE.start_main_~i~5 4), 5037#(<= ULTIMATE.start_main_~i~5 5), 5038#(<= ULTIMATE.start_main_~i~5 6), 5039#(<= ULTIMATE.start_main_~i~5 7), 5040#(<= ULTIMATE.start_main_~i~5 8), 5041#(<= ULTIMATE.start_main_~i~5 9), 5042#(<= ULTIMATE.start_main_~i~5 10), 5043#(<= ULTIMATE.start_main_~i~5 11), 5044#(<= ULTIMATE.start_main_~i~5 12), 5045#(<= ULTIMATE.start_main_~i~5 13), 5046#(<= ULTIMATE.start_main_~i~5 14), 5047#(<= ULTIMATE.start_main_~i~5 15), 5048#(<= ULTIMATE.start_main_~i~5 16), 5049#(<= ULTIMATE.start_main_~i~5 17), 5050#(<= ULTIMATE.start_main_~i~5 18), 5051#(<= ULTIMATE.start_main_~i~5 19), 5052#(<= ULTIMATE.start_main_~i~5 20), 5053#(<= ULTIMATE.start_main_~i~5 21), 5054#(<= ULTIMATE.start_main_~i~5 22), 5055#(<= ULTIMATE.start_main_~i~5 23)] [2018-07-23 13:40:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,475 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:40:53,476 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:40:53,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:40:53,477 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 32 states. [2018-07-23 13:40:53,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:53,497 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2018-07-23 13:40:53,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:40:53,498 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 64 [2018-07-23 13:40:53,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:53,498 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:40:53,498 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:40:53,500 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:40:53,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:40:53,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:40:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:40:53,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2018-07-23 13:40:53,505 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 64 [2018-07-23 13:40:53,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:53,505 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2018-07-23 13:40:53,505 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:40:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-07-23 13:40:53,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:40:53,506 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:53,506 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 1, 1, 1, 1, 1] [2018-07-23 13:40:53,506 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:53,506 INFO L82 PathProgramCache]: Analyzing trace with hash 180340547, now seen corresponding path program 30 times [2018-07-23 13:40:53,506 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,682 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:53,682 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:40:53,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:53,682 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 13:40:53,683 INFO L185 omatonBuilderFactory]: Interpolants [5338#true, 5339#false, 5340#(<= ULTIMATE.start_main_~i~5 0), 5341#(<= ULTIMATE.start_main_~i~5 1), 5342#(<= ULTIMATE.start_main_~i~5 2), 5343#(<= ULTIMATE.start_main_~i~5 3), 5344#(<= ULTIMATE.start_main_~i~5 4), 5345#(<= ULTIMATE.start_main_~i~5 5), 5346#(<= ULTIMATE.start_main_~i~5 6), 5347#(<= ULTIMATE.start_main_~i~5 7), 5348#(<= ULTIMATE.start_main_~i~5 8), 5349#(<= ULTIMATE.start_main_~i~5 9), 5350#(<= ULTIMATE.start_main_~i~5 10), 5351#(<= ULTIMATE.start_main_~i~5 11), 5352#(<= ULTIMATE.start_main_~i~5 12), 5353#(<= ULTIMATE.start_main_~i~5 13), 5354#(<= ULTIMATE.start_main_~i~5 14), 5355#(<= ULTIMATE.start_main_~i~5 15), 5356#(<= ULTIMATE.start_main_~i~5 16), 5357#(<= ULTIMATE.start_main_~i~5 17), 5358#(<= ULTIMATE.start_main_~i~5 18), 5359#(<= ULTIMATE.start_main_~i~5 19), 5360#(<= ULTIMATE.start_main_~i~5 20), 5361#(<= ULTIMATE.start_main_~i~5 21), 5362#(<= ULTIMATE.start_main_~i~5 22), 5363#(<= ULTIMATE.start_main_~i~5 23), 5364#(<= ULTIMATE.start_main_~i~5 24), 5365#(<= ULTIMATE.start_main_~i~5 25), 5366#(<= ULTIMATE.start_main_~i~5 26), 5367#(<= ULTIMATE.start_main_~i~5 27), 5368#(<= ULTIMATE.start_main_~i~5 28), 5369#(<= ULTIMATE.start_main_~i~5 29), 5370#(<= ULTIMATE.start_main_~i~5 30)] [2018-07-23 13:40:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,684 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:40:53,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:40:53,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:40:53,685 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 33 states. [2018-07-23 13:40:53,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:53,714 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2018-07-23 13:40:53,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:40:53,714 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 66 [2018-07-23 13:40:53,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:53,715 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:40:53,715 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:40:53,716 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 13:40:53,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:40:53,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:40:53,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:40:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2018-07-23 13:40:53,719 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 66 [2018-07-23 13:40:53,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:53,720 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2018-07-23 13:40:53,720 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:40:53,720 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-07-23 13:40:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:40:53,720 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:53,721 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1, 1, 1] [2018-07-23 13:40:53,721 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:53,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1425015615, now seen corresponding path program 31 times [2018-07-23 13:40:53,721 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,888 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:53,889 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:40:53,889 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:53,889 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 13:40:53,889 INFO L185 omatonBuilderFactory]: Interpolants [5655#true, 5656#false, 5657#(<= ULTIMATE.start_main_~i~5 0), 5658#(<= ULTIMATE.start_main_~i~5 1), 5659#(<= ULTIMATE.start_main_~i~5 2), 5660#(<= ULTIMATE.start_main_~i~5 3), 5661#(<= ULTIMATE.start_main_~i~5 4), 5662#(<= ULTIMATE.start_main_~i~5 5), 5663#(<= ULTIMATE.start_main_~i~5 6), 5664#(<= ULTIMATE.start_main_~i~5 7), 5665#(<= ULTIMATE.start_main_~i~5 8), 5666#(<= ULTIMATE.start_main_~i~5 9), 5667#(<= ULTIMATE.start_main_~i~5 10), 5668#(<= ULTIMATE.start_main_~i~5 11), 5669#(<= ULTIMATE.start_main_~i~5 12), 5670#(<= ULTIMATE.start_main_~i~5 13), 5671#(<= ULTIMATE.start_main_~i~5 14), 5672#(<= ULTIMATE.start_main_~i~5 15), 5673#(<= ULTIMATE.start_main_~i~5 16), 5674#(<= ULTIMATE.start_main_~i~5 17), 5675#(<= ULTIMATE.start_main_~i~5 18), 5676#(<= ULTIMATE.start_main_~i~5 19), 5677#(<= ULTIMATE.start_main_~i~5 20), 5678#(<= ULTIMATE.start_main_~i~5 21), 5679#(<= ULTIMATE.start_main_~i~5 22), 5680#(<= ULTIMATE.start_main_~i~5 23), 5681#(<= ULTIMATE.start_main_~i~5 24), 5682#(<= ULTIMATE.start_main_~i~5 25), 5683#(<= ULTIMATE.start_main_~i~5 26), 5684#(<= ULTIMATE.start_main_~i~5 27), 5685#(<= ULTIMATE.start_main_~i~5 28), 5686#(<= ULTIMATE.start_main_~i~5 29), 5687#(<= ULTIMATE.start_main_~i~5 30), 5688#(<= ULTIMATE.start_main_~i~5 31)] [2018-07-23 13:40:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,891 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:40:53,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:40:53,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:40:53,892 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 34 states. [2018-07-23 13:40:53,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:53,924 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2018-07-23 13:40:53,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:40:53,924 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 68 [2018-07-23 13:40:53,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:53,925 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:40:53,925 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:40:53,926 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 13:40:53,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:40:53,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:40:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:40:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2018-07-23 13:40:53,929 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 68 [2018-07-23 13:40:53,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:53,930 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2018-07-23 13:40:53,930 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:40:53,930 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-07-23 13:40:53,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:40:53,930 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:53,931 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 1, 1, 1, 1, 1] [2018-07-23 13:40:53,931 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:53,931 INFO L82 PathProgramCache]: Analyzing trace with hash -738119621, now seen corresponding path program 32 times [2018-07-23 13:40:53,931 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 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 [34] total 34 [2018-07-23 13:40:54,086 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,086 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 13:40:54,087 INFO L185 omatonBuilderFactory]: Interpolants [5981#true, 5982#false, 5983#(<= ULTIMATE.start_main_~i~5 0), 5984#(<= ULTIMATE.start_main_~i~5 1), 5985#(<= ULTIMATE.start_main_~i~5 2), 5986#(<= ULTIMATE.start_main_~i~5 3), 5987#(<= ULTIMATE.start_main_~i~5 4), 5988#(<= ULTIMATE.start_main_~i~5 5), 5989#(<= ULTIMATE.start_main_~i~5 6), 5990#(<= ULTIMATE.start_main_~i~5 7), 5991#(<= ULTIMATE.start_main_~i~5 8), 5992#(<= ULTIMATE.start_main_~i~5 9), 5993#(<= ULTIMATE.start_main_~i~5 10), 5994#(<= ULTIMATE.start_main_~i~5 11), 5995#(<= ULTIMATE.start_main_~i~5 12), 5996#(<= ULTIMATE.start_main_~i~5 13), 5997#(<= ULTIMATE.start_main_~i~5 14), 5998#(<= ULTIMATE.start_main_~i~5 15), 5999#(<= ULTIMATE.start_main_~i~5 16), 6000#(<= ULTIMATE.start_main_~i~5 17), 6001#(<= ULTIMATE.start_main_~i~5 18), 6002#(<= ULTIMATE.start_main_~i~5 19), 6003#(<= ULTIMATE.start_main_~i~5 20), 6004#(<= ULTIMATE.start_main_~i~5 21), 6005#(<= ULTIMATE.start_main_~i~5 22), 6006#(<= ULTIMATE.start_main_~i~5 23), 6007#(<= ULTIMATE.start_main_~i~5 24), 6008#(<= ULTIMATE.start_main_~i~5 25), 6009#(<= ULTIMATE.start_main_~i~5 26), 6010#(<= ULTIMATE.start_main_~i~5 27), 6011#(<= ULTIMATE.start_main_~i~5 28), 6012#(<= ULTIMATE.start_main_~i~5 29), 6013#(<= ULTIMATE.start_main_~i~5 30), 6014#(<= ULTIMATE.start_main_~i~5 31), 6015#(<= ULTIMATE.start_main_~i~5 32)] [2018-07-23 13:40:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,088 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:40:54,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:40:54,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:40:54,089 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 35 states. [2018-07-23 13:40:54,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,120 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2018-07-23 13:40:54,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:40:54,120 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 70 [2018-07-23 13:40:54,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,121 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:40:54,121 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:40:54,122 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 13:40:54,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:40:54,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:40:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:40:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2018-07-23 13:40:54,125 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 70 [2018-07-23 13:40:54,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,126 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2018-07-23 13:40:54,126 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:40:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-07-23 13:40:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:40:54,126 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,127 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1, 1, 1] [2018-07-23 13:40:54,127 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,127 INFO L82 PathProgramCache]: Analyzing trace with hash -746910153, now seen corresponding path program 33 times [2018-07-23 13:40:54,127 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,287 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,287 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:40:54,287 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,287 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 13:40:54,288 INFO L185 omatonBuilderFactory]: Interpolants [6336#(<= ULTIMATE.start_main_~i~5 18), 6337#(<= ULTIMATE.start_main_~i~5 19), 6338#(<= ULTIMATE.start_main_~i~5 20), 6339#(<= ULTIMATE.start_main_~i~5 21), 6340#(<= ULTIMATE.start_main_~i~5 22), 6341#(<= ULTIMATE.start_main_~i~5 23), 6342#(<= ULTIMATE.start_main_~i~5 24), 6343#(<= ULTIMATE.start_main_~i~5 25), 6344#(<= ULTIMATE.start_main_~i~5 26), 6345#(<= ULTIMATE.start_main_~i~5 27), 6346#(<= ULTIMATE.start_main_~i~5 28), 6347#(<= ULTIMATE.start_main_~i~5 29), 6348#(<= ULTIMATE.start_main_~i~5 30), 6349#(<= ULTIMATE.start_main_~i~5 31), 6350#(<= ULTIMATE.start_main_~i~5 32), 6351#(<= ULTIMATE.start_main_~i~5 33), 6316#true, 6317#false, 6318#(<= ULTIMATE.start_main_~i~5 0), 6319#(<= ULTIMATE.start_main_~i~5 1), 6320#(<= ULTIMATE.start_main_~i~5 2), 6321#(<= ULTIMATE.start_main_~i~5 3), 6322#(<= ULTIMATE.start_main_~i~5 4), 6323#(<= ULTIMATE.start_main_~i~5 5), 6324#(<= ULTIMATE.start_main_~i~5 6), 6325#(<= ULTIMATE.start_main_~i~5 7), 6326#(<= ULTIMATE.start_main_~i~5 8), 6327#(<= ULTIMATE.start_main_~i~5 9), 6328#(<= ULTIMATE.start_main_~i~5 10), 6329#(<= ULTIMATE.start_main_~i~5 11), 6330#(<= ULTIMATE.start_main_~i~5 12), 6331#(<= ULTIMATE.start_main_~i~5 13), 6332#(<= ULTIMATE.start_main_~i~5 14), 6333#(<= ULTIMATE.start_main_~i~5 15), 6334#(<= ULTIMATE.start_main_~i~5 16), 6335#(<= ULTIMATE.start_main_~i~5 17)] [2018-07-23 13:40:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,289 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:40:54,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:40:54,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:40:54,293 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 36 states. [2018-07-23 13:40:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,320 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2018-07-23 13:40:54,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:40:54,320 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 72 [2018-07-23 13:40:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,321 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:40:54,321 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:40:54,322 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 13:40:54,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:40:54,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:40:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:40:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2018-07-23 13:40:54,326 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 72 [2018-07-23 13:40:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,326 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2018-07-23 13:40:54,326 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:40:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-07-23 13:40:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:40:54,327 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,327 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 1, 1, 1, 1, 1] [2018-07-23 13:40:54,328 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,328 INFO L82 PathProgramCache]: Analyzing trace with hash -604676813, now seen corresponding path program 34 times [2018-07-23 13:40:54,328 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,502 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,502 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:40:54,503 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,503 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 13:40:54,503 INFO L185 omatonBuilderFactory]: Interpolants [6660#true, 6661#false, 6662#(<= ULTIMATE.start_main_~i~5 0), 6663#(<= ULTIMATE.start_main_~i~5 1), 6664#(<= ULTIMATE.start_main_~i~5 2), 6665#(<= ULTIMATE.start_main_~i~5 3), 6666#(<= ULTIMATE.start_main_~i~5 4), 6667#(<= ULTIMATE.start_main_~i~5 5), 6668#(<= ULTIMATE.start_main_~i~5 6), 6669#(<= ULTIMATE.start_main_~i~5 7), 6670#(<= ULTIMATE.start_main_~i~5 8), 6671#(<= ULTIMATE.start_main_~i~5 9), 6672#(<= ULTIMATE.start_main_~i~5 10), 6673#(<= ULTIMATE.start_main_~i~5 11), 6674#(<= ULTIMATE.start_main_~i~5 12), 6675#(<= ULTIMATE.start_main_~i~5 13), 6676#(<= ULTIMATE.start_main_~i~5 14), 6677#(<= ULTIMATE.start_main_~i~5 15), 6678#(<= ULTIMATE.start_main_~i~5 16), 6679#(<= ULTIMATE.start_main_~i~5 17), 6680#(<= ULTIMATE.start_main_~i~5 18), 6681#(<= ULTIMATE.start_main_~i~5 19), 6682#(<= ULTIMATE.start_main_~i~5 20), 6683#(<= ULTIMATE.start_main_~i~5 21), 6684#(<= ULTIMATE.start_main_~i~5 22), 6685#(<= ULTIMATE.start_main_~i~5 23), 6686#(<= ULTIMATE.start_main_~i~5 24), 6687#(<= ULTIMATE.start_main_~i~5 25), 6688#(<= ULTIMATE.start_main_~i~5 26), 6689#(<= ULTIMATE.start_main_~i~5 27), 6690#(<= ULTIMATE.start_main_~i~5 28), 6691#(<= ULTIMATE.start_main_~i~5 29), 6692#(<= ULTIMATE.start_main_~i~5 30), 6693#(<= ULTIMATE.start_main_~i~5 31), 6694#(<= ULTIMATE.start_main_~i~5 32), 6695#(<= ULTIMATE.start_main_~i~5 33), 6696#(<= ULTIMATE.start_main_~i~5 34)] [2018-07-23 13:40:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,504 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:40:54,504 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:40:54,508 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:40:54,508 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 37 states. [2018-07-23 13:40:54,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,544 INFO L93 Difference]: Finished difference Result 81 states and 83 transitions. [2018-07-23 13:40:54,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:40:54,545 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 74 [2018-07-23 13:40:54,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,546 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:40:54,546 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:40:54,547 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 13:40:54,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:40:54,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:40:54,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:40:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2018-07-23 13:40:54,550 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 74 [2018-07-23 13:40:54,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,551 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2018-07-23 13:40:54,551 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:40:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-07-23 13:40:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:40:54,552 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,552 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1, 1, 1] [2018-07-23 13:40:54,552 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1357390545, now seen corresponding path program 35 times [2018-07-23 13:40:54,552 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,722 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,722 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:40:54,722 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,722 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 13:40:54,723 INFO L185 omatonBuilderFactory]: Interpolants [7040#(<= ULTIMATE.start_main_~i~5 25), 7041#(<= ULTIMATE.start_main_~i~5 26), 7042#(<= ULTIMATE.start_main_~i~5 27), 7043#(<= ULTIMATE.start_main_~i~5 28), 7044#(<= ULTIMATE.start_main_~i~5 29), 7045#(<= ULTIMATE.start_main_~i~5 30), 7046#(<= ULTIMATE.start_main_~i~5 31), 7047#(<= ULTIMATE.start_main_~i~5 32), 7048#(<= ULTIMATE.start_main_~i~5 33), 7049#(<= ULTIMATE.start_main_~i~5 34), 7050#(<= ULTIMATE.start_main_~i~5 35), 7013#true, 7014#false, 7015#(<= ULTIMATE.start_main_~i~5 0), 7016#(<= ULTIMATE.start_main_~i~5 1), 7017#(<= ULTIMATE.start_main_~i~5 2), 7018#(<= ULTIMATE.start_main_~i~5 3), 7019#(<= ULTIMATE.start_main_~i~5 4), 7020#(<= ULTIMATE.start_main_~i~5 5), 7021#(<= ULTIMATE.start_main_~i~5 6), 7022#(<= ULTIMATE.start_main_~i~5 7), 7023#(<= ULTIMATE.start_main_~i~5 8), 7024#(<= ULTIMATE.start_main_~i~5 9), 7025#(<= ULTIMATE.start_main_~i~5 10), 7026#(<= ULTIMATE.start_main_~i~5 11), 7027#(<= ULTIMATE.start_main_~i~5 12), 7028#(<= ULTIMATE.start_main_~i~5 13), 7029#(<= ULTIMATE.start_main_~i~5 14), 7030#(<= ULTIMATE.start_main_~i~5 15), 7031#(<= ULTIMATE.start_main_~i~5 16), 7032#(<= ULTIMATE.start_main_~i~5 17), 7033#(<= ULTIMATE.start_main_~i~5 18), 7034#(<= ULTIMATE.start_main_~i~5 19), 7035#(<= ULTIMATE.start_main_~i~5 20), 7036#(<= ULTIMATE.start_main_~i~5 21), 7037#(<= ULTIMATE.start_main_~i~5 22), 7038#(<= ULTIMATE.start_main_~i~5 23), 7039#(<= ULTIMATE.start_main_~i~5 24)] [2018-07-23 13:40:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,723 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:40:54,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:40:54,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:40:54,725 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand 38 states. [2018-07-23 13:40:54,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,749 INFO L93 Difference]: Finished difference Result 83 states and 85 transitions. [2018-07-23 13:40:54,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:40:54,750 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 76 [2018-07-23 13:40:54,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,750 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:40:54,750 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:40:54,752 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 13:40:54,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:40:54,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:40:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:40:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 80 transitions. [2018-07-23 13:40:54,755 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 80 transitions. Word has length 76 [2018-07-23 13:40:54,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,755 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 80 transitions. [2018-07-23 13:40:54,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:40:54,756 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-07-23 13:40:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:40:54,756 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,756 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 1, 1, 1, 1, 1] [2018-07-23 13:40:54,757 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1134186027, now seen corresponding path program 36 times [2018-07-23 13:40:54,757 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,933 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,933 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:40:54,934 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,934 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 13:40:54,934 INFO L185 omatonBuilderFactory]: Interpolants [7375#true, 7376#false, 7377#(<= ULTIMATE.start_main_~i~5 0), 7378#(<= ULTIMATE.start_main_~i~5 1), 7379#(<= ULTIMATE.start_main_~i~5 2), 7380#(<= ULTIMATE.start_main_~i~5 3), 7381#(<= ULTIMATE.start_main_~i~5 4), 7382#(<= ULTIMATE.start_main_~i~5 5), 7383#(<= ULTIMATE.start_main_~i~5 6), 7384#(<= ULTIMATE.start_main_~i~5 7), 7385#(<= ULTIMATE.start_main_~i~5 8), 7386#(<= ULTIMATE.start_main_~i~5 9), 7387#(<= ULTIMATE.start_main_~i~5 10), 7388#(<= ULTIMATE.start_main_~i~5 11), 7389#(<= ULTIMATE.start_main_~i~5 12), 7390#(<= ULTIMATE.start_main_~i~5 13), 7391#(<= ULTIMATE.start_main_~i~5 14), 7392#(<= ULTIMATE.start_main_~i~5 15), 7393#(<= ULTIMATE.start_main_~i~5 16), 7394#(<= ULTIMATE.start_main_~i~5 17), 7395#(<= ULTIMATE.start_main_~i~5 18), 7396#(<= ULTIMATE.start_main_~i~5 19), 7397#(<= ULTIMATE.start_main_~i~5 20), 7398#(<= ULTIMATE.start_main_~i~5 21), 7399#(<= ULTIMATE.start_main_~i~5 22), 7400#(<= ULTIMATE.start_main_~i~5 23), 7401#(<= ULTIMATE.start_main_~i~5 24), 7402#(<= ULTIMATE.start_main_~i~5 25), 7403#(<= ULTIMATE.start_main_~i~5 26), 7404#(<= ULTIMATE.start_main_~i~5 27), 7405#(<= ULTIMATE.start_main_~i~5 28), 7406#(<= ULTIMATE.start_main_~i~5 29), 7407#(<= ULTIMATE.start_main_~i~5 30), 7408#(<= ULTIMATE.start_main_~i~5 31), 7409#(<= ULTIMATE.start_main_~i~5 32), 7410#(<= ULTIMATE.start_main_~i~5 33), 7411#(<= ULTIMATE.start_main_~i~5 34), 7412#(<= ULTIMATE.start_main_~i~5 35), 7413#(<= ULTIMATE.start_main_~i~5 36)] [2018-07-23 13:40:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,935 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:40:54,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:40:54,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:40:54,936 INFO L87 Difference]: Start difference. First operand 79 states and 80 transitions. Second operand 39 states. [2018-07-23 13:40:54,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,972 INFO L93 Difference]: Finished difference Result 85 states and 87 transitions. [2018-07-23 13:40:54,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:40:54,972 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 78 [2018-07-23 13:40:54,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,973 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:40:54,973 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:40:54,974 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 13:40:54,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:40:54,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:40:54,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:40:54,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2018-07-23 13:40:54,980 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 78 [2018-07-23 13:40:54,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,981 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2018-07-23 13:40:54,981 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:40:54,981 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-07-23 13:40:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:40:54,982 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,982 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1, 1, 1] [2018-07-23 13:40:54,982 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1052479449, now seen corresponding path program 37 times [2018-07-23 13:40:54,984 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,166 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,166 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:40:55,166 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,166 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 13:40:55,167 INFO L185 omatonBuilderFactory]: Interpolants [7746#true, 7747#false, 7748#(<= ULTIMATE.start_main_~i~5 0), 7749#(<= ULTIMATE.start_main_~i~5 1), 7750#(<= ULTIMATE.start_main_~i~5 2), 7751#(<= ULTIMATE.start_main_~i~5 3), 7752#(<= ULTIMATE.start_main_~i~5 4), 7753#(<= ULTIMATE.start_main_~i~5 5), 7754#(<= ULTIMATE.start_main_~i~5 6), 7755#(<= ULTIMATE.start_main_~i~5 7), 7756#(<= ULTIMATE.start_main_~i~5 8), 7757#(<= ULTIMATE.start_main_~i~5 9), 7758#(<= ULTIMATE.start_main_~i~5 10), 7759#(<= ULTIMATE.start_main_~i~5 11), 7760#(<= ULTIMATE.start_main_~i~5 12), 7761#(<= ULTIMATE.start_main_~i~5 13), 7762#(<= ULTIMATE.start_main_~i~5 14), 7763#(<= ULTIMATE.start_main_~i~5 15), 7764#(<= ULTIMATE.start_main_~i~5 16), 7765#(<= ULTIMATE.start_main_~i~5 17), 7766#(<= ULTIMATE.start_main_~i~5 18), 7767#(<= ULTIMATE.start_main_~i~5 19), 7768#(<= ULTIMATE.start_main_~i~5 20), 7769#(<= ULTIMATE.start_main_~i~5 21), 7770#(<= ULTIMATE.start_main_~i~5 22), 7771#(<= ULTIMATE.start_main_~i~5 23), 7772#(<= ULTIMATE.start_main_~i~5 24), 7773#(<= ULTIMATE.start_main_~i~5 25), 7774#(<= ULTIMATE.start_main_~i~5 26), 7775#(<= ULTIMATE.start_main_~i~5 27), 7776#(<= ULTIMATE.start_main_~i~5 28), 7777#(<= ULTIMATE.start_main_~i~5 29), 7778#(<= ULTIMATE.start_main_~i~5 30), 7779#(<= ULTIMATE.start_main_~i~5 31), 7780#(<= ULTIMATE.start_main_~i~5 32), 7781#(<= ULTIMATE.start_main_~i~5 33), 7782#(<= ULTIMATE.start_main_~i~5 34), 7783#(<= ULTIMATE.start_main_~i~5 35), 7784#(<= ULTIMATE.start_main_~i~5 36), 7785#(<= ULTIMATE.start_main_~i~5 37)] [2018-07-23 13:40:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,168 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:40:55,168 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:40:55,169 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:40:55,169 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 40 states. [2018-07-23 13:40:55,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,214 INFO L93 Difference]: Finished difference Result 87 states and 89 transitions. [2018-07-23 13:40:55,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:40:55,214 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 80 [2018-07-23 13:40:55,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,215 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:40:55,215 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:40:55,218 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 13:40:55,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:40:55,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:40:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:40:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2018-07-23 13:40:55,223 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 80 [2018-07-23 13:40:55,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,224 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2018-07-23 13:40:55,224 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:40:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-07-23 13:40:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:40:55,225 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,225 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 1, 1, 1, 1, 1] [2018-07-23 13:40:55,225 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,225 INFO L82 PathProgramCache]: Analyzing trace with hash 2095973155, now seen corresponding path program 38 times [2018-07-23 13:40:55,225 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,433 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,433 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:40:55,434 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,434 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 13:40:55,434 INFO L185 omatonBuilderFactory]: Interpolants [8128#(<= ULTIMATE.start_main_~i~5 0), 8129#(<= ULTIMATE.start_main_~i~5 1), 8130#(<= ULTIMATE.start_main_~i~5 2), 8131#(<= ULTIMATE.start_main_~i~5 3), 8132#(<= ULTIMATE.start_main_~i~5 4), 8133#(<= ULTIMATE.start_main_~i~5 5), 8134#(<= ULTIMATE.start_main_~i~5 6), 8135#(<= ULTIMATE.start_main_~i~5 7), 8136#(<= ULTIMATE.start_main_~i~5 8), 8137#(<= ULTIMATE.start_main_~i~5 9), 8138#(<= ULTIMATE.start_main_~i~5 10), 8139#(<= ULTIMATE.start_main_~i~5 11), 8140#(<= ULTIMATE.start_main_~i~5 12), 8141#(<= ULTIMATE.start_main_~i~5 13), 8142#(<= ULTIMATE.start_main_~i~5 14), 8143#(<= ULTIMATE.start_main_~i~5 15), 8144#(<= ULTIMATE.start_main_~i~5 16), 8145#(<= ULTIMATE.start_main_~i~5 17), 8146#(<= ULTIMATE.start_main_~i~5 18), 8147#(<= ULTIMATE.start_main_~i~5 19), 8148#(<= ULTIMATE.start_main_~i~5 20), 8149#(<= ULTIMATE.start_main_~i~5 21), 8150#(<= ULTIMATE.start_main_~i~5 22), 8151#(<= ULTIMATE.start_main_~i~5 23), 8152#(<= ULTIMATE.start_main_~i~5 24), 8153#(<= ULTIMATE.start_main_~i~5 25), 8154#(<= ULTIMATE.start_main_~i~5 26), 8155#(<= ULTIMATE.start_main_~i~5 27), 8156#(<= ULTIMATE.start_main_~i~5 28), 8157#(<= ULTIMATE.start_main_~i~5 29), 8158#(<= ULTIMATE.start_main_~i~5 30), 8159#(<= ULTIMATE.start_main_~i~5 31), 8160#(<= ULTIMATE.start_main_~i~5 32), 8161#(<= ULTIMATE.start_main_~i~5 33), 8162#(<= ULTIMATE.start_main_~i~5 34), 8163#(<= ULTIMATE.start_main_~i~5 35), 8164#(<= ULTIMATE.start_main_~i~5 36), 8165#(<= ULTIMATE.start_main_~i~5 37), 8166#(<= ULTIMATE.start_main_~i~5 38), 8126#true, 8127#false] [2018-07-23 13:40:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,435 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:40:55,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:40:55,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:40:55,437 INFO L87 Difference]: Start difference. First operand 83 states and 84 transitions. Second operand 41 states. [2018-07-23 13:40:55,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,479 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2018-07-23 13:40:55,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:40:55,479 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 82 [2018-07-23 13:40:55,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,480 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:40:55,480 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:40:55,482 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 13:40:55,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:40:55,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:40:55,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:40:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 86 transitions. [2018-07-23 13:40:55,486 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 86 transitions. Word has length 82 [2018-07-23 13:40:55,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,486 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 86 transitions. [2018-07-23 13:40:55,486 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:40:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-07-23 13:40:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:40:55,487 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,488 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 1, 1, 1, 1, 1] [2018-07-23 13:40:55,488 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,488 INFO L82 PathProgramCache]: Analyzing trace with hash -193018081, now seen corresponding path program 39 times [2018-07-23 13:40:55,488 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,712 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,712 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:40:55,712 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,712 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 13:40:55,713 INFO L185 omatonBuilderFactory]: Interpolants [8515#true, 8516#false, 8517#(<= ULTIMATE.start_main_~i~5 0), 8518#(<= ULTIMATE.start_main_~i~5 1), 8519#(<= ULTIMATE.start_main_~i~5 2), 8520#(<= ULTIMATE.start_main_~i~5 3), 8521#(<= ULTIMATE.start_main_~i~5 4), 8522#(<= ULTIMATE.start_main_~i~5 5), 8523#(<= ULTIMATE.start_main_~i~5 6), 8524#(<= ULTIMATE.start_main_~i~5 7), 8525#(<= ULTIMATE.start_main_~i~5 8), 8526#(<= ULTIMATE.start_main_~i~5 9), 8527#(<= ULTIMATE.start_main_~i~5 10), 8528#(<= ULTIMATE.start_main_~i~5 11), 8529#(<= ULTIMATE.start_main_~i~5 12), 8530#(<= ULTIMATE.start_main_~i~5 13), 8531#(<= ULTIMATE.start_main_~i~5 14), 8532#(<= ULTIMATE.start_main_~i~5 15), 8533#(<= ULTIMATE.start_main_~i~5 16), 8534#(<= ULTIMATE.start_main_~i~5 17), 8535#(<= ULTIMATE.start_main_~i~5 18), 8536#(<= ULTIMATE.start_main_~i~5 19), 8537#(<= ULTIMATE.start_main_~i~5 20), 8538#(<= ULTIMATE.start_main_~i~5 21), 8539#(<= ULTIMATE.start_main_~i~5 22), 8540#(<= ULTIMATE.start_main_~i~5 23), 8541#(<= ULTIMATE.start_main_~i~5 24), 8542#(<= ULTIMATE.start_main_~i~5 25), 8543#(<= ULTIMATE.start_main_~i~5 26), 8544#(<= ULTIMATE.start_main_~i~5 27), 8545#(<= ULTIMATE.start_main_~i~5 28), 8546#(<= ULTIMATE.start_main_~i~5 29), 8547#(<= ULTIMATE.start_main_~i~5 30), 8548#(<= ULTIMATE.start_main_~i~5 31), 8549#(<= ULTIMATE.start_main_~i~5 32), 8550#(<= ULTIMATE.start_main_~i~5 33), 8551#(<= ULTIMATE.start_main_~i~5 34), 8552#(<= ULTIMATE.start_main_~i~5 35), 8553#(<= ULTIMATE.start_main_~i~5 36), 8554#(<= ULTIMATE.start_main_~i~5 37), 8555#(<= ULTIMATE.start_main_~i~5 38), 8556#(<= ULTIMATE.start_main_~i~5 39)] [2018-07-23 13:40:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,714 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:40:55,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:40:55,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:40:55,716 INFO L87 Difference]: Start difference. First operand 85 states and 86 transitions. Second operand 42 states. [2018-07-23 13:40:55,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,761 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2018-07-23 13:40:55,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:40:55,761 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 84 [2018-07-23 13:40:55,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,762 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:40:55,763 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:40:55,764 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 13:40:55,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:40:55,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:40:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:40:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2018-07-23 13:40:55,769 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 84 [2018-07-23 13:40:55,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,769 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2018-07-23 13:40:55,769 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:40:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-07-23 13:40:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:40:55,770 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,771 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 1, 1, 1, 1, 1] [2018-07-23 13:40:55,771 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,771 INFO L82 PathProgramCache]: Analyzing trace with hash -890340325, now seen corresponding path program 40 times [2018-07-23 13:40:55,771 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,014 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,014 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:40:56,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,015 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 13:40:56,015 INFO L185 omatonBuilderFactory]: Interpolants [8913#true, 8914#false, 8915#(<= ULTIMATE.start_main_~i~5 0), 8916#(<= ULTIMATE.start_main_~i~5 1), 8917#(<= ULTIMATE.start_main_~i~5 2), 8918#(<= ULTIMATE.start_main_~i~5 3), 8919#(<= ULTIMATE.start_main_~i~5 4), 8920#(<= ULTIMATE.start_main_~i~5 5), 8921#(<= ULTIMATE.start_main_~i~5 6), 8922#(<= ULTIMATE.start_main_~i~5 7), 8923#(<= ULTIMATE.start_main_~i~5 8), 8924#(<= ULTIMATE.start_main_~i~5 9), 8925#(<= ULTIMATE.start_main_~i~5 10), 8926#(<= ULTIMATE.start_main_~i~5 11), 8927#(<= ULTIMATE.start_main_~i~5 12), 8928#(<= ULTIMATE.start_main_~i~5 13), 8929#(<= ULTIMATE.start_main_~i~5 14), 8930#(<= ULTIMATE.start_main_~i~5 15), 8931#(<= ULTIMATE.start_main_~i~5 16), 8932#(<= ULTIMATE.start_main_~i~5 17), 8933#(<= ULTIMATE.start_main_~i~5 18), 8934#(<= ULTIMATE.start_main_~i~5 19), 8935#(<= ULTIMATE.start_main_~i~5 20), 8936#(<= ULTIMATE.start_main_~i~5 21), 8937#(<= ULTIMATE.start_main_~i~5 22), 8938#(<= ULTIMATE.start_main_~i~5 23), 8939#(<= ULTIMATE.start_main_~i~5 24), 8940#(<= ULTIMATE.start_main_~i~5 25), 8941#(<= ULTIMATE.start_main_~i~5 26), 8942#(<= ULTIMATE.start_main_~i~5 27), 8943#(<= ULTIMATE.start_main_~i~5 28), 8944#(<= ULTIMATE.start_main_~i~5 29), 8945#(<= ULTIMATE.start_main_~i~5 30), 8946#(<= ULTIMATE.start_main_~i~5 31), 8947#(<= ULTIMATE.start_main_~i~5 32), 8948#(<= ULTIMATE.start_main_~i~5 33), 8949#(<= ULTIMATE.start_main_~i~5 34), 8950#(<= ULTIMATE.start_main_~i~5 35), 8951#(<= ULTIMATE.start_main_~i~5 36), 8952#(<= ULTIMATE.start_main_~i~5 37), 8953#(<= ULTIMATE.start_main_~i~5 38), 8954#(<= ULTIMATE.start_main_~i~5 39), 8955#(<= ULTIMATE.start_main_~i~5 40)] [2018-07-23 13:40:56,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,016 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:40:56,016 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:40:56,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:40:56,017 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 43 states. [2018-07-23 13:40:56,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,053 INFO L93 Difference]: Finished difference Result 93 states and 95 transitions. [2018-07-23 13:40:56,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:40:56,053 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 86 [2018-07-23 13:40:56,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,054 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:40:56,054 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:40:56,055 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 13:40:56,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:40:56,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:40:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:40:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 90 transitions. [2018-07-23 13:40:56,059 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 90 transitions. Word has length 86 [2018-07-23 13:40:56,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,059 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 90 transitions. [2018-07-23 13:40:56,059 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:40:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-07-23 13:40:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:40:56,060 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,060 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 1, 1, 1, 1, 1] [2018-07-23 13:40:56,061 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1002118633, now seen corresponding path program 41 times [2018-07-23 13:40:56,061 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,230 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,230 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:40:56,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,231 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 13:40:56,231 INFO L185 omatonBuilderFactory]: Interpolants [9344#(<= ULTIMATE.start_main_~i~5 22), 9345#(<= ULTIMATE.start_main_~i~5 23), 9346#(<= ULTIMATE.start_main_~i~5 24), 9347#(<= ULTIMATE.start_main_~i~5 25), 9348#(<= ULTIMATE.start_main_~i~5 26), 9349#(<= ULTIMATE.start_main_~i~5 27), 9350#(<= ULTIMATE.start_main_~i~5 28), 9351#(<= ULTIMATE.start_main_~i~5 29), 9352#(<= ULTIMATE.start_main_~i~5 30), 9353#(<= ULTIMATE.start_main_~i~5 31), 9354#(<= ULTIMATE.start_main_~i~5 32), 9355#(<= ULTIMATE.start_main_~i~5 33), 9356#(<= ULTIMATE.start_main_~i~5 34), 9357#(<= ULTIMATE.start_main_~i~5 35), 9358#(<= ULTIMATE.start_main_~i~5 36), 9359#(<= ULTIMATE.start_main_~i~5 37), 9360#(<= ULTIMATE.start_main_~i~5 38), 9361#(<= ULTIMATE.start_main_~i~5 39), 9362#(<= ULTIMATE.start_main_~i~5 40), 9363#(<= ULTIMATE.start_main_~i~5 41), 9320#true, 9321#false, 9322#(<= ULTIMATE.start_main_~i~5 0), 9323#(<= ULTIMATE.start_main_~i~5 1), 9324#(<= ULTIMATE.start_main_~i~5 2), 9325#(<= ULTIMATE.start_main_~i~5 3), 9326#(<= ULTIMATE.start_main_~i~5 4), 9327#(<= ULTIMATE.start_main_~i~5 5), 9328#(<= ULTIMATE.start_main_~i~5 6), 9329#(<= ULTIMATE.start_main_~i~5 7), 9330#(<= ULTIMATE.start_main_~i~5 8), 9331#(<= ULTIMATE.start_main_~i~5 9), 9332#(<= ULTIMATE.start_main_~i~5 10), 9333#(<= ULTIMATE.start_main_~i~5 11), 9334#(<= ULTIMATE.start_main_~i~5 12), 9335#(<= ULTIMATE.start_main_~i~5 13), 9336#(<= ULTIMATE.start_main_~i~5 14), 9337#(<= ULTIMATE.start_main_~i~5 15), 9338#(<= ULTIMATE.start_main_~i~5 16), 9339#(<= ULTIMATE.start_main_~i~5 17), 9340#(<= ULTIMATE.start_main_~i~5 18), 9341#(<= ULTIMATE.start_main_~i~5 19), 9342#(<= ULTIMATE.start_main_~i~5 20), 9343#(<= ULTIMATE.start_main_~i~5 21)] [2018-07-23 13:40:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,232 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:40:56,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:40:56,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:40:56,233 INFO L87 Difference]: Start difference. First operand 89 states and 90 transitions. Second operand 44 states. [2018-07-23 13:40:56,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,261 INFO L93 Difference]: Finished difference Result 95 states and 97 transitions. [2018-07-23 13:40:56,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:40:56,261 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 88 [2018-07-23 13:40:56,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,262 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:40:56,262 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:40:56,263 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 13:40:56,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:40:56,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:40:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:40:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 92 transitions. [2018-07-23 13:40:56,267 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 92 transitions. Word has length 88 [2018-07-23 13:40:56,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,268 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 92 transitions. [2018-07-23 13:40:56,268 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:40:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-07-23 13:40:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:40:56,269 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,269 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 1, 1, 1, 1, 1] [2018-07-23 13:40:56,269 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1046890221, now seen corresponding path program 42 times [2018-07-23 13:40:56,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,448 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,448 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:40:56,448 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,448 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 13:40:56,449 INFO L185 omatonBuilderFactory]: Interpolants [9736#true, 9737#false, 9738#(<= ULTIMATE.start_main_~i~5 0), 9739#(<= ULTIMATE.start_main_~i~5 1), 9740#(<= ULTIMATE.start_main_~i~5 2), 9741#(<= ULTIMATE.start_main_~i~5 3), 9742#(<= ULTIMATE.start_main_~i~5 4), 9743#(<= ULTIMATE.start_main_~i~5 5), 9744#(<= ULTIMATE.start_main_~i~5 6), 9745#(<= ULTIMATE.start_main_~i~5 7), 9746#(<= ULTIMATE.start_main_~i~5 8), 9747#(<= ULTIMATE.start_main_~i~5 9), 9748#(<= ULTIMATE.start_main_~i~5 10), 9749#(<= ULTIMATE.start_main_~i~5 11), 9750#(<= ULTIMATE.start_main_~i~5 12), 9751#(<= ULTIMATE.start_main_~i~5 13), 9752#(<= ULTIMATE.start_main_~i~5 14), 9753#(<= ULTIMATE.start_main_~i~5 15), 9754#(<= ULTIMATE.start_main_~i~5 16), 9755#(<= ULTIMATE.start_main_~i~5 17), 9756#(<= ULTIMATE.start_main_~i~5 18), 9757#(<= ULTIMATE.start_main_~i~5 19), 9758#(<= ULTIMATE.start_main_~i~5 20), 9759#(<= ULTIMATE.start_main_~i~5 21), 9760#(<= ULTIMATE.start_main_~i~5 22), 9761#(<= ULTIMATE.start_main_~i~5 23), 9762#(<= ULTIMATE.start_main_~i~5 24), 9763#(<= ULTIMATE.start_main_~i~5 25), 9764#(<= ULTIMATE.start_main_~i~5 26), 9765#(<= ULTIMATE.start_main_~i~5 27), 9766#(<= ULTIMATE.start_main_~i~5 28), 9767#(<= ULTIMATE.start_main_~i~5 29), 9768#(<= ULTIMATE.start_main_~i~5 30), 9769#(<= ULTIMATE.start_main_~i~5 31), 9770#(<= ULTIMATE.start_main_~i~5 32), 9771#(<= ULTIMATE.start_main_~i~5 33), 9772#(<= ULTIMATE.start_main_~i~5 34), 9773#(<= ULTIMATE.start_main_~i~5 35), 9774#(<= ULTIMATE.start_main_~i~5 36), 9775#(<= ULTIMATE.start_main_~i~5 37), 9776#(<= ULTIMATE.start_main_~i~5 38), 9777#(<= ULTIMATE.start_main_~i~5 39), 9778#(<= ULTIMATE.start_main_~i~5 40), 9779#(<= ULTIMATE.start_main_~i~5 41), 9780#(<= ULTIMATE.start_main_~i~5 42)] [2018-07-23 13:40:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,449 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:40:56,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:40:56,451 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:40:56,451 INFO L87 Difference]: Start difference. First operand 91 states and 92 transitions. Second operand 45 states. [2018-07-23 13:40:56,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,493 INFO L93 Difference]: Finished difference Result 97 states and 99 transitions. [2018-07-23 13:40:56,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:40:56,494 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 90 [2018-07-23 13:40:56,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,495 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:40:56,495 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:40:56,496 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 13:40:56,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:40:56,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:40:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:40:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 94 transitions. [2018-07-23 13:40:56,500 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 94 transitions. Word has length 90 [2018-07-23 13:40:56,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,501 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 94 transitions. [2018-07-23 13:40:56,501 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:40:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-07-23 13:40:56,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:40:56,502 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,502 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 1, 1, 1, 1, 1] [2018-07-23 13:40:56,502 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1122713329, now seen corresponding path program 43 times [2018-07-23 13:40:56,502 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,701 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,702 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:40:56,702 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,702 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 13:40:56,702 INFO L185 omatonBuilderFactory]: Interpolants [10176#(<= ULTIMATE.start_main_~i~5 13), 10177#(<= ULTIMATE.start_main_~i~5 14), 10178#(<= ULTIMATE.start_main_~i~5 15), 10179#(<= ULTIMATE.start_main_~i~5 16), 10180#(<= ULTIMATE.start_main_~i~5 17), 10181#(<= ULTIMATE.start_main_~i~5 18), 10182#(<= ULTIMATE.start_main_~i~5 19), 10183#(<= ULTIMATE.start_main_~i~5 20), 10184#(<= ULTIMATE.start_main_~i~5 21), 10185#(<= ULTIMATE.start_main_~i~5 22), 10186#(<= ULTIMATE.start_main_~i~5 23), 10187#(<= ULTIMATE.start_main_~i~5 24), 10188#(<= ULTIMATE.start_main_~i~5 25), 10189#(<= ULTIMATE.start_main_~i~5 26), 10190#(<= ULTIMATE.start_main_~i~5 27), 10191#(<= ULTIMATE.start_main_~i~5 28), 10192#(<= ULTIMATE.start_main_~i~5 29), 10193#(<= ULTIMATE.start_main_~i~5 30), 10194#(<= ULTIMATE.start_main_~i~5 31), 10195#(<= ULTIMATE.start_main_~i~5 32), 10196#(<= ULTIMATE.start_main_~i~5 33), 10197#(<= ULTIMATE.start_main_~i~5 34), 10198#(<= ULTIMATE.start_main_~i~5 35), 10199#(<= ULTIMATE.start_main_~i~5 36), 10200#(<= ULTIMATE.start_main_~i~5 37), 10201#(<= ULTIMATE.start_main_~i~5 38), 10202#(<= ULTIMATE.start_main_~i~5 39), 10203#(<= ULTIMATE.start_main_~i~5 40), 10204#(<= ULTIMATE.start_main_~i~5 41), 10205#(<= ULTIMATE.start_main_~i~5 42), 10206#(<= ULTIMATE.start_main_~i~5 43), 10161#true, 10162#false, 10163#(<= ULTIMATE.start_main_~i~5 0), 10164#(<= ULTIMATE.start_main_~i~5 1), 10165#(<= ULTIMATE.start_main_~i~5 2), 10166#(<= ULTIMATE.start_main_~i~5 3), 10167#(<= ULTIMATE.start_main_~i~5 4), 10168#(<= ULTIMATE.start_main_~i~5 5), 10169#(<= ULTIMATE.start_main_~i~5 6), 10170#(<= ULTIMATE.start_main_~i~5 7), 10171#(<= ULTIMATE.start_main_~i~5 8), 10172#(<= ULTIMATE.start_main_~i~5 9), 10173#(<= ULTIMATE.start_main_~i~5 10), 10174#(<= ULTIMATE.start_main_~i~5 11), 10175#(<= ULTIMATE.start_main_~i~5 12)] [2018-07-23 13:40:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,703 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:40:56,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:40:56,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:40:56,705 INFO L87 Difference]: Start difference. First operand 93 states and 94 transitions. Second operand 46 states. [2018-07-23 13:40:56,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,741 INFO L93 Difference]: Finished difference Result 99 states and 101 transitions. [2018-07-23 13:40:56,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:40:56,742 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 92 [2018-07-23 13:40:56,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,743 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:40:56,743 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:40:56,744 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 13:40:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:40:56,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:40:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:40:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 96 transitions. [2018-07-23 13:40:56,748 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 96 transitions. Word has length 92 [2018-07-23 13:40:56,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,749 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 96 transitions. [2018-07-23 13:40:56,749 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:40:56,749 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-07-23 13:40:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:40:56,750 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,750 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 1, 1, 1, 1, 1] [2018-07-23 13:40:56,750 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,750 INFO L82 PathProgramCache]: Analyzing trace with hash -974276085, now seen corresponding path program 44 times [2018-07-23 13:40:56,751 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,957 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,957 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:40:56,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,957 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 13:40:56,958 INFO L185 omatonBuilderFactory]: Interpolants [10624#(<= ULTIMATE.start_main_~i~5 27), 10625#(<= ULTIMATE.start_main_~i~5 28), 10626#(<= ULTIMATE.start_main_~i~5 29), 10627#(<= ULTIMATE.start_main_~i~5 30), 10628#(<= ULTIMATE.start_main_~i~5 31), 10629#(<= ULTIMATE.start_main_~i~5 32), 10630#(<= ULTIMATE.start_main_~i~5 33), 10631#(<= ULTIMATE.start_main_~i~5 34), 10632#(<= ULTIMATE.start_main_~i~5 35), 10633#(<= ULTIMATE.start_main_~i~5 36), 10634#(<= ULTIMATE.start_main_~i~5 37), 10635#(<= ULTIMATE.start_main_~i~5 38), 10636#(<= ULTIMATE.start_main_~i~5 39), 10637#(<= ULTIMATE.start_main_~i~5 40), 10638#(<= ULTIMATE.start_main_~i~5 41), 10639#(<= ULTIMATE.start_main_~i~5 42), 10640#(<= ULTIMATE.start_main_~i~5 43), 10641#(<= ULTIMATE.start_main_~i~5 44), 10595#true, 10596#false, 10597#(<= ULTIMATE.start_main_~i~5 0), 10598#(<= ULTIMATE.start_main_~i~5 1), 10599#(<= ULTIMATE.start_main_~i~5 2), 10600#(<= ULTIMATE.start_main_~i~5 3), 10601#(<= ULTIMATE.start_main_~i~5 4), 10602#(<= ULTIMATE.start_main_~i~5 5), 10603#(<= ULTIMATE.start_main_~i~5 6), 10604#(<= ULTIMATE.start_main_~i~5 7), 10605#(<= ULTIMATE.start_main_~i~5 8), 10606#(<= ULTIMATE.start_main_~i~5 9), 10607#(<= ULTIMATE.start_main_~i~5 10), 10608#(<= ULTIMATE.start_main_~i~5 11), 10609#(<= ULTIMATE.start_main_~i~5 12), 10610#(<= ULTIMATE.start_main_~i~5 13), 10611#(<= ULTIMATE.start_main_~i~5 14), 10612#(<= ULTIMATE.start_main_~i~5 15), 10613#(<= ULTIMATE.start_main_~i~5 16), 10614#(<= ULTIMATE.start_main_~i~5 17), 10615#(<= ULTIMATE.start_main_~i~5 18), 10616#(<= ULTIMATE.start_main_~i~5 19), 10617#(<= ULTIMATE.start_main_~i~5 20), 10618#(<= ULTIMATE.start_main_~i~5 21), 10619#(<= ULTIMATE.start_main_~i~5 22), 10620#(<= ULTIMATE.start_main_~i~5 23), 10621#(<= ULTIMATE.start_main_~i~5 24), 10622#(<= ULTIMATE.start_main_~i~5 25), 10623#(<= ULTIMATE.start_main_~i~5 26)] [2018-07-23 13:40:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,959 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:40:56,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:40:56,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:40:56,960 INFO L87 Difference]: Start difference. First operand 95 states and 96 transitions. Second operand 47 states. [2018-07-23 13:40:56,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,993 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2018-07-23 13:40:56,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:40:56,993 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 94 [2018-07-23 13:40:56,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,994 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:40:56,994 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:40:56,995 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 13:40:56,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:40:56,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:40:56,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:40:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 98 transitions. [2018-07-23 13:40:57,000 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 98 transitions. Word has length 94 [2018-07-23 13:40:57,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:57,000 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 98 transitions. [2018-07-23 13:40:57,000 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:40:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-07-23 13:40:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:40:57,001 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:57,001 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 1, 1, 1, 1, 1] [2018-07-23 13:40:57,002 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:57,002 INFO L82 PathProgramCache]: Analyzing trace with hash -60005369, now seen corresponding path program 45 times [2018-07-23 13:40:57,002 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:57,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,217 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:57,217 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:40:57,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:57,218 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 13:40:57,218 INFO L185 omatonBuilderFactory]: Interpolants [11072#(<= ULTIMATE.start_main_~i~5 32), 11073#(<= ULTIMATE.start_main_~i~5 33), 11074#(<= ULTIMATE.start_main_~i~5 34), 11075#(<= ULTIMATE.start_main_~i~5 35), 11076#(<= ULTIMATE.start_main_~i~5 36), 11077#(<= ULTIMATE.start_main_~i~5 37), 11078#(<= ULTIMATE.start_main_~i~5 38), 11079#(<= ULTIMATE.start_main_~i~5 39), 11080#(<= ULTIMATE.start_main_~i~5 40), 11081#(<= ULTIMATE.start_main_~i~5 41), 11082#(<= ULTIMATE.start_main_~i~5 42), 11083#(<= ULTIMATE.start_main_~i~5 43), 11084#(<= ULTIMATE.start_main_~i~5 44), 11085#(<= ULTIMATE.start_main_~i~5 45), 11038#true, 11039#false, 11040#(<= ULTIMATE.start_main_~i~5 0), 11041#(<= ULTIMATE.start_main_~i~5 1), 11042#(<= ULTIMATE.start_main_~i~5 2), 11043#(<= ULTIMATE.start_main_~i~5 3), 11044#(<= ULTIMATE.start_main_~i~5 4), 11045#(<= ULTIMATE.start_main_~i~5 5), 11046#(<= ULTIMATE.start_main_~i~5 6), 11047#(<= ULTIMATE.start_main_~i~5 7), 11048#(<= ULTIMATE.start_main_~i~5 8), 11049#(<= ULTIMATE.start_main_~i~5 9), 11050#(<= ULTIMATE.start_main_~i~5 10), 11051#(<= ULTIMATE.start_main_~i~5 11), 11052#(<= ULTIMATE.start_main_~i~5 12), 11053#(<= ULTIMATE.start_main_~i~5 13), 11054#(<= ULTIMATE.start_main_~i~5 14), 11055#(<= ULTIMATE.start_main_~i~5 15), 11056#(<= ULTIMATE.start_main_~i~5 16), 11057#(<= ULTIMATE.start_main_~i~5 17), 11058#(<= ULTIMATE.start_main_~i~5 18), 11059#(<= ULTIMATE.start_main_~i~5 19), 11060#(<= ULTIMATE.start_main_~i~5 20), 11061#(<= ULTIMATE.start_main_~i~5 21), 11062#(<= ULTIMATE.start_main_~i~5 22), 11063#(<= ULTIMATE.start_main_~i~5 23), 11064#(<= ULTIMATE.start_main_~i~5 24), 11065#(<= ULTIMATE.start_main_~i~5 25), 11066#(<= ULTIMATE.start_main_~i~5 26), 11067#(<= ULTIMATE.start_main_~i~5 27), 11068#(<= ULTIMATE.start_main_~i~5 28), 11069#(<= ULTIMATE.start_main_~i~5 29), 11070#(<= ULTIMATE.start_main_~i~5 30), 11071#(<= ULTIMATE.start_main_~i~5 31)] [2018-07-23 13:40:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,219 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:40:57,220 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:40:57,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:40:57,221 INFO L87 Difference]: Start difference. First operand 97 states and 98 transitions. Second operand 48 states. [2018-07-23 13:40:57,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:57,254 INFO L93 Difference]: Finished difference Result 103 states and 105 transitions. [2018-07-23 13:40:57,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:40:57,254 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 96 [2018-07-23 13:40:57,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:57,255 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:40:57,255 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:40:57,256 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 13:40:57,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:40:57,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:40:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:40:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 100 transitions. [2018-07-23 13:40:57,260 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 100 transitions. Word has length 96 [2018-07-23 13:40:57,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:57,261 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 100 transitions. [2018-07-23 13:40:57,261 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:40:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-07-23 13:40:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:40:57,262 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:57,262 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 1, 1, 1, 1, 1] [2018-07-23 13:40:57,262 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:57,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1914142973, now seen corresponding path program 46 times [2018-07-23 13:40:57,263 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,493 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:57,493 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:40:57,493 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:57,493 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 13:40:57,494 INFO L185 omatonBuilderFactory]: Interpolants [11520#(<= ULTIMATE.start_main_~i~5 28), 11521#(<= ULTIMATE.start_main_~i~5 29), 11522#(<= ULTIMATE.start_main_~i~5 30), 11523#(<= ULTIMATE.start_main_~i~5 31), 11524#(<= ULTIMATE.start_main_~i~5 32), 11525#(<= ULTIMATE.start_main_~i~5 33), 11526#(<= ULTIMATE.start_main_~i~5 34), 11527#(<= ULTIMATE.start_main_~i~5 35), 11528#(<= ULTIMATE.start_main_~i~5 36), 11529#(<= ULTIMATE.start_main_~i~5 37), 11530#(<= ULTIMATE.start_main_~i~5 38), 11531#(<= ULTIMATE.start_main_~i~5 39), 11532#(<= ULTIMATE.start_main_~i~5 40), 11533#(<= ULTIMATE.start_main_~i~5 41), 11534#(<= ULTIMATE.start_main_~i~5 42), 11535#(<= ULTIMATE.start_main_~i~5 43), 11536#(<= ULTIMATE.start_main_~i~5 44), 11537#(<= ULTIMATE.start_main_~i~5 45), 11538#(<= ULTIMATE.start_main_~i~5 46), 11490#true, 11491#false, 11492#(<= ULTIMATE.start_main_~i~5 0), 11493#(<= ULTIMATE.start_main_~i~5 1), 11494#(<= ULTIMATE.start_main_~i~5 2), 11495#(<= ULTIMATE.start_main_~i~5 3), 11496#(<= ULTIMATE.start_main_~i~5 4), 11497#(<= ULTIMATE.start_main_~i~5 5), 11498#(<= ULTIMATE.start_main_~i~5 6), 11499#(<= ULTIMATE.start_main_~i~5 7), 11500#(<= ULTIMATE.start_main_~i~5 8), 11501#(<= ULTIMATE.start_main_~i~5 9), 11502#(<= ULTIMATE.start_main_~i~5 10), 11503#(<= ULTIMATE.start_main_~i~5 11), 11504#(<= ULTIMATE.start_main_~i~5 12), 11505#(<= ULTIMATE.start_main_~i~5 13), 11506#(<= ULTIMATE.start_main_~i~5 14), 11507#(<= ULTIMATE.start_main_~i~5 15), 11508#(<= ULTIMATE.start_main_~i~5 16), 11509#(<= ULTIMATE.start_main_~i~5 17), 11510#(<= ULTIMATE.start_main_~i~5 18), 11511#(<= ULTIMATE.start_main_~i~5 19), 11512#(<= ULTIMATE.start_main_~i~5 20), 11513#(<= ULTIMATE.start_main_~i~5 21), 11514#(<= ULTIMATE.start_main_~i~5 22), 11515#(<= ULTIMATE.start_main_~i~5 23), 11516#(<= ULTIMATE.start_main_~i~5 24), 11517#(<= ULTIMATE.start_main_~i~5 25), 11518#(<= ULTIMATE.start_main_~i~5 26), 11519#(<= ULTIMATE.start_main_~i~5 27)] [2018-07-23 13:40:57,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,495 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:40:57,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:40:57,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:40:57,496 INFO L87 Difference]: Start difference. First operand 99 states and 100 transitions. Second operand 49 states. [2018-07-23 13:40:57,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:57,531 INFO L93 Difference]: Finished difference Result 105 states and 107 transitions. [2018-07-23 13:40:57,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:40:57,532 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 98 [2018-07-23 13:40:57,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:57,533 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:40:57,533 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:40:57,535 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 13:40:57,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:40:57,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:40:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:40:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 102 transitions. [2018-07-23 13:40:57,541 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 102 transitions. Word has length 98 [2018-07-23 13:40:57,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:57,542 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 102 transitions. [2018-07-23 13:40:57,542 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:40:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-07-23 13:40:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:40:57,543 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:57,544 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 1, 1, 1, 1, 1] [2018-07-23 13:40:57,544 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:57,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1328952577, now seen corresponding path program 47 times [2018-07-23 13:40:57,544 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,786 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:57,786 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:40:57,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:57,787 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 13:40:57,787 INFO L185 omatonBuilderFactory]: Interpolants [11951#true, 11952#false, 11953#(<= ULTIMATE.start_main_~i~5 0), 11954#(<= ULTIMATE.start_main_~i~5 1), 11955#(<= ULTIMATE.start_main_~i~5 2), 11956#(<= ULTIMATE.start_main_~i~5 3), 11957#(<= ULTIMATE.start_main_~i~5 4), 11958#(<= ULTIMATE.start_main_~i~5 5), 11959#(<= ULTIMATE.start_main_~i~5 6), 11960#(<= ULTIMATE.start_main_~i~5 7), 11961#(<= ULTIMATE.start_main_~i~5 8), 11962#(<= ULTIMATE.start_main_~i~5 9), 11963#(<= ULTIMATE.start_main_~i~5 10), 11964#(<= ULTIMATE.start_main_~i~5 11), 11965#(<= ULTIMATE.start_main_~i~5 12), 11966#(<= ULTIMATE.start_main_~i~5 13), 11967#(<= ULTIMATE.start_main_~i~5 14), 11968#(<= ULTIMATE.start_main_~i~5 15), 11969#(<= ULTIMATE.start_main_~i~5 16), 11970#(<= ULTIMATE.start_main_~i~5 17), 11971#(<= ULTIMATE.start_main_~i~5 18), 11972#(<= ULTIMATE.start_main_~i~5 19), 11973#(<= ULTIMATE.start_main_~i~5 20), 11974#(<= ULTIMATE.start_main_~i~5 21), 11975#(<= ULTIMATE.start_main_~i~5 22), 11976#(<= ULTIMATE.start_main_~i~5 23), 11977#(<= ULTIMATE.start_main_~i~5 24), 11978#(<= ULTIMATE.start_main_~i~5 25), 11979#(<= ULTIMATE.start_main_~i~5 26), 11980#(<= ULTIMATE.start_main_~i~5 27), 11981#(<= ULTIMATE.start_main_~i~5 28), 11982#(<= ULTIMATE.start_main_~i~5 29), 11983#(<= ULTIMATE.start_main_~i~5 30), 11984#(<= ULTIMATE.start_main_~i~5 31), 11985#(<= ULTIMATE.start_main_~i~5 32), 11986#(<= ULTIMATE.start_main_~i~5 33), 11987#(<= ULTIMATE.start_main_~i~5 34), 11988#(<= ULTIMATE.start_main_~i~5 35), 11989#(<= ULTIMATE.start_main_~i~5 36), 11990#(<= ULTIMATE.start_main_~i~5 37), 11991#(<= ULTIMATE.start_main_~i~5 38), 11992#(<= ULTIMATE.start_main_~i~5 39), 11993#(<= ULTIMATE.start_main_~i~5 40), 11994#(<= ULTIMATE.start_main_~i~5 41), 11995#(<= ULTIMATE.start_main_~i~5 42), 11996#(<= ULTIMATE.start_main_~i~5 43), 11997#(<= ULTIMATE.start_main_~i~5 44), 11998#(<= ULTIMATE.start_main_~i~5 45), 11999#(<= ULTIMATE.start_main_~i~5 46), 12000#(<= ULTIMATE.start_main_~i~5 47)] [2018-07-23 13:40:57,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,788 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:40:57,788 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:40:57,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:40:57,789 INFO L87 Difference]: Start difference. First operand 101 states and 102 transitions. Second operand 50 states. [2018-07-23 13:40:57,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:57,835 INFO L93 Difference]: Finished difference Result 107 states and 109 transitions. [2018-07-23 13:40:57,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:40:57,835 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 100 [2018-07-23 13:40:57,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:57,836 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:40:57,836 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:40:57,837 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 13:40:57,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:40:57,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:40:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:40:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 104 transitions. [2018-07-23 13:40:57,842 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 104 transitions. Word has length 100 [2018-07-23 13:40:57,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:57,842 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 104 transitions. [2018-07-23 13:40:57,842 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:40:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2018-07-23 13:40:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:40:57,843 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:57,843 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 1, 1, 1, 1, 1] [2018-07-23 13:40:57,843 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:57,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1601697797, now seen corresponding path program 48 times [2018-07-23 13:40:57,844 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,103 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:58,104 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:40:58,104 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:58,104 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 13:40:58,105 INFO L185 omatonBuilderFactory]: Interpolants [12421#true, 12422#false, 12423#(<= ULTIMATE.start_main_~i~5 0), 12424#(<= ULTIMATE.start_main_~i~5 1), 12425#(<= ULTIMATE.start_main_~i~5 2), 12426#(<= ULTIMATE.start_main_~i~5 3), 12427#(<= ULTIMATE.start_main_~i~5 4), 12428#(<= ULTIMATE.start_main_~i~5 5), 12429#(<= ULTIMATE.start_main_~i~5 6), 12430#(<= ULTIMATE.start_main_~i~5 7), 12431#(<= ULTIMATE.start_main_~i~5 8), 12432#(<= ULTIMATE.start_main_~i~5 9), 12433#(<= ULTIMATE.start_main_~i~5 10), 12434#(<= ULTIMATE.start_main_~i~5 11), 12435#(<= ULTIMATE.start_main_~i~5 12), 12436#(<= ULTIMATE.start_main_~i~5 13), 12437#(<= ULTIMATE.start_main_~i~5 14), 12438#(<= ULTIMATE.start_main_~i~5 15), 12439#(<= ULTIMATE.start_main_~i~5 16), 12440#(<= ULTIMATE.start_main_~i~5 17), 12441#(<= ULTIMATE.start_main_~i~5 18), 12442#(<= ULTIMATE.start_main_~i~5 19), 12443#(<= ULTIMATE.start_main_~i~5 20), 12444#(<= ULTIMATE.start_main_~i~5 21), 12445#(<= ULTIMATE.start_main_~i~5 22), 12446#(<= ULTIMATE.start_main_~i~5 23), 12447#(<= ULTIMATE.start_main_~i~5 24), 12448#(<= ULTIMATE.start_main_~i~5 25), 12449#(<= ULTIMATE.start_main_~i~5 26), 12450#(<= ULTIMATE.start_main_~i~5 27), 12451#(<= ULTIMATE.start_main_~i~5 28), 12452#(<= ULTIMATE.start_main_~i~5 29), 12453#(<= ULTIMATE.start_main_~i~5 30), 12454#(<= ULTIMATE.start_main_~i~5 31), 12455#(<= ULTIMATE.start_main_~i~5 32), 12456#(<= ULTIMATE.start_main_~i~5 33), 12457#(<= ULTIMATE.start_main_~i~5 34), 12458#(<= ULTIMATE.start_main_~i~5 35), 12459#(<= ULTIMATE.start_main_~i~5 36), 12460#(<= ULTIMATE.start_main_~i~5 37), 12461#(<= ULTIMATE.start_main_~i~5 38), 12462#(<= ULTIMATE.start_main_~i~5 39), 12463#(<= ULTIMATE.start_main_~i~5 40), 12464#(<= ULTIMATE.start_main_~i~5 41), 12465#(<= ULTIMATE.start_main_~i~5 42), 12466#(<= ULTIMATE.start_main_~i~5 43), 12467#(<= ULTIMATE.start_main_~i~5 44), 12468#(<= ULTIMATE.start_main_~i~5 45), 12469#(<= ULTIMATE.start_main_~i~5 46), 12470#(<= ULTIMATE.start_main_~i~5 47), 12471#(<= ULTIMATE.start_main_~i~5 48)] [2018-07-23 13:40:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,106 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:40:58,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:40:58,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:40:58,107 INFO L87 Difference]: Start difference. First operand 103 states and 104 transitions. Second operand 51 states. [2018-07-23 13:40:58,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:58,167 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2018-07-23 13:40:58,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:40:58,168 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 102 [2018-07-23 13:40:58,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:58,169 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:40:58,169 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:40:58,170 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 13:40:58,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:40:58,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:40:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:40:58,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 106 transitions. [2018-07-23 13:40:58,176 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 106 transitions. Word has length 102 [2018-07-23 13:40:58,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:58,177 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 106 transitions. [2018-07-23 13:40:58,177 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:40:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-07-23 13:40:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:40:58,179 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:58,179 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 1, 1, 1, 1, 1] [2018-07-23 13:40:58,179 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:58,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1716849161, now seen corresponding path program 49 times [2018-07-23 13:40:58,180 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,460 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:58,460 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:40:58,461 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:58,461 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 13:40:58,462 INFO L185 omatonBuilderFactory]: Interpolants [12928#(<= ULTIMATE.start_main_~i~5 26), 12929#(<= ULTIMATE.start_main_~i~5 27), 12930#(<= ULTIMATE.start_main_~i~5 28), 12931#(<= ULTIMATE.start_main_~i~5 29), 12932#(<= ULTIMATE.start_main_~i~5 30), 12933#(<= ULTIMATE.start_main_~i~5 31), 12934#(<= ULTIMATE.start_main_~i~5 32), 12935#(<= ULTIMATE.start_main_~i~5 33), 12936#(<= ULTIMATE.start_main_~i~5 34), 12937#(<= ULTIMATE.start_main_~i~5 35), 12938#(<= ULTIMATE.start_main_~i~5 36), 12939#(<= ULTIMATE.start_main_~i~5 37), 12940#(<= ULTIMATE.start_main_~i~5 38), 12941#(<= ULTIMATE.start_main_~i~5 39), 12942#(<= ULTIMATE.start_main_~i~5 40), 12943#(<= ULTIMATE.start_main_~i~5 41), 12944#(<= ULTIMATE.start_main_~i~5 42), 12945#(<= ULTIMATE.start_main_~i~5 43), 12946#(<= ULTIMATE.start_main_~i~5 44), 12947#(<= ULTIMATE.start_main_~i~5 45), 12948#(<= ULTIMATE.start_main_~i~5 46), 12949#(<= ULTIMATE.start_main_~i~5 47), 12950#(<= ULTIMATE.start_main_~i~5 48), 12951#(<= ULTIMATE.start_main_~i~5 49), 12900#true, 12901#false, 12902#(<= ULTIMATE.start_main_~i~5 0), 12903#(<= ULTIMATE.start_main_~i~5 1), 12904#(<= ULTIMATE.start_main_~i~5 2), 12905#(<= ULTIMATE.start_main_~i~5 3), 12906#(<= ULTIMATE.start_main_~i~5 4), 12907#(<= ULTIMATE.start_main_~i~5 5), 12908#(<= ULTIMATE.start_main_~i~5 6), 12909#(<= ULTIMATE.start_main_~i~5 7), 12910#(<= ULTIMATE.start_main_~i~5 8), 12911#(<= ULTIMATE.start_main_~i~5 9), 12912#(<= ULTIMATE.start_main_~i~5 10), 12913#(<= ULTIMATE.start_main_~i~5 11), 12914#(<= ULTIMATE.start_main_~i~5 12), 12915#(<= ULTIMATE.start_main_~i~5 13), 12916#(<= ULTIMATE.start_main_~i~5 14), 12917#(<= ULTIMATE.start_main_~i~5 15), 12918#(<= ULTIMATE.start_main_~i~5 16), 12919#(<= ULTIMATE.start_main_~i~5 17), 12920#(<= ULTIMATE.start_main_~i~5 18), 12921#(<= ULTIMATE.start_main_~i~5 19), 12922#(<= ULTIMATE.start_main_~i~5 20), 12923#(<= ULTIMATE.start_main_~i~5 21), 12924#(<= ULTIMATE.start_main_~i~5 22), 12925#(<= ULTIMATE.start_main_~i~5 23), 12926#(<= ULTIMATE.start_main_~i~5 24), 12927#(<= ULTIMATE.start_main_~i~5 25)] [2018-07-23 13:40:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,462 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:40:58,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:40:58,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:40:58,464 INFO L87 Difference]: Start difference. First operand 105 states and 106 transitions. Second operand 52 states. [2018-07-23 13:40:58,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:58,506 INFO L93 Difference]: Finished difference Result 111 states and 113 transitions. [2018-07-23 13:40:58,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:40:58,506 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 104 [2018-07-23 13:40:58,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:58,508 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:40:58,508 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:40:58,509 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 13:40:58,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:40:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:40:58,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:40:58,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 108 transitions. [2018-07-23 13:40:58,514 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 108 transitions. Word has length 104 [2018-07-23 13:40:58,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:58,515 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 108 transitions. [2018-07-23 13:40:58,515 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:40:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-07-23 13:40:58,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:40:58,516 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:58,516 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 1, 1, 1, 1, 1] [2018-07-23 13:40:58,516 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:58,517 INFO L82 PathProgramCache]: Analyzing trace with hash -708160269, now seen corresponding path program 50 times [2018-07-23 13:40:58,517 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:58,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,793 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:58,793 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:40:58,793 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:58,794 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 13:40:58,794 INFO L185 omatonBuilderFactory]: Interpolants [13440#(<= ULTIMATE.start_main_~i~5 50), 13388#true, 13389#false, 13390#(<= ULTIMATE.start_main_~i~5 0), 13391#(<= ULTIMATE.start_main_~i~5 1), 13392#(<= ULTIMATE.start_main_~i~5 2), 13393#(<= ULTIMATE.start_main_~i~5 3), 13394#(<= ULTIMATE.start_main_~i~5 4), 13395#(<= ULTIMATE.start_main_~i~5 5), 13396#(<= ULTIMATE.start_main_~i~5 6), 13397#(<= ULTIMATE.start_main_~i~5 7), 13398#(<= ULTIMATE.start_main_~i~5 8), 13399#(<= ULTIMATE.start_main_~i~5 9), 13400#(<= ULTIMATE.start_main_~i~5 10), 13401#(<= ULTIMATE.start_main_~i~5 11), 13402#(<= ULTIMATE.start_main_~i~5 12), 13403#(<= ULTIMATE.start_main_~i~5 13), 13404#(<= ULTIMATE.start_main_~i~5 14), 13405#(<= ULTIMATE.start_main_~i~5 15), 13406#(<= ULTIMATE.start_main_~i~5 16), 13407#(<= ULTIMATE.start_main_~i~5 17), 13408#(<= ULTIMATE.start_main_~i~5 18), 13409#(<= ULTIMATE.start_main_~i~5 19), 13410#(<= ULTIMATE.start_main_~i~5 20), 13411#(<= ULTIMATE.start_main_~i~5 21), 13412#(<= ULTIMATE.start_main_~i~5 22), 13413#(<= ULTIMATE.start_main_~i~5 23), 13414#(<= ULTIMATE.start_main_~i~5 24), 13415#(<= ULTIMATE.start_main_~i~5 25), 13416#(<= ULTIMATE.start_main_~i~5 26), 13417#(<= ULTIMATE.start_main_~i~5 27), 13418#(<= ULTIMATE.start_main_~i~5 28), 13419#(<= ULTIMATE.start_main_~i~5 29), 13420#(<= ULTIMATE.start_main_~i~5 30), 13421#(<= ULTIMATE.start_main_~i~5 31), 13422#(<= ULTIMATE.start_main_~i~5 32), 13423#(<= ULTIMATE.start_main_~i~5 33), 13424#(<= ULTIMATE.start_main_~i~5 34), 13425#(<= ULTIMATE.start_main_~i~5 35), 13426#(<= ULTIMATE.start_main_~i~5 36), 13427#(<= ULTIMATE.start_main_~i~5 37), 13428#(<= ULTIMATE.start_main_~i~5 38), 13429#(<= ULTIMATE.start_main_~i~5 39), 13430#(<= ULTIMATE.start_main_~i~5 40), 13431#(<= ULTIMATE.start_main_~i~5 41), 13432#(<= ULTIMATE.start_main_~i~5 42), 13433#(<= ULTIMATE.start_main_~i~5 43), 13434#(<= ULTIMATE.start_main_~i~5 44), 13435#(<= ULTIMATE.start_main_~i~5 45), 13436#(<= ULTIMATE.start_main_~i~5 46), 13437#(<= ULTIMATE.start_main_~i~5 47), 13438#(<= ULTIMATE.start_main_~i~5 48), 13439#(<= ULTIMATE.start_main_~i~5 49)] [2018-07-23 13:40:58,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,795 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:40:58,795 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:40:58,796 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:40:58,796 INFO L87 Difference]: Start difference. First operand 107 states and 108 transitions. Second operand 53 states. [2018-07-23 13:40:58,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:58,841 INFO L93 Difference]: Finished difference Result 113 states and 115 transitions. [2018-07-23 13:40:58,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:40:58,842 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 106 [2018-07-23 13:40:58,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:58,843 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:40:58,843 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:40:58,844 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 13:40:58,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:40:58,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:40:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:40:58,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 110 transitions. [2018-07-23 13:40:58,857 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 110 transitions. Word has length 106 [2018-07-23 13:40:58,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:58,858 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 110 transitions. [2018-07-23 13:40:58,858 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:40:58,858 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-07-23 13:40:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:40:58,860 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:58,861 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 1, 1, 1, 1, 1] [2018-07-23 13:40:58,861 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:58,861 INFO L82 PathProgramCache]: Analyzing trace with hash -2020743953, now seen corresponding path program 51 times [2018-07-23 13:40:58,861 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,091 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:59,091 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:40:59,092 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:59,092 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 13:40:59,092 INFO L185 omatonBuilderFactory]: Interpolants [13885#true, 13886#false, 13887#(<= ULTIMATE.start_main_~i~5 0), 13888#(<= ULTIMATE.start_main_~i~5 1), 13889#(<= ULTIMATE.start_main_~i~5 2), 13890#(<= ULTIMATE.start_main_~i~5 3), 13891#(<= ULTIMATE.start_main_~i~5 4), 13892#(<= ULTIMATE.start_main_~i~5 5), 13893#(<= ULTIMATE.start_main_~i~5 6), 13894#(<= ULTIMATE.start_main_~i~5 7), 13895#(<= ULTIMATE.start_main_~i~5 8), 13896#(<= ULTIMATE.start_main_~i~5 9), 13897#(<= ULTIMATE.start_main_~i~5 10), 13898#(<= ULTIMATE.start_main_~i~5 11), 13899#(<= ULTIMATE.start_main_~i~5 12), 13900#(<= ULTIMATE.start_main_~i~5 13), 13901#(<= ULTIMATE.start_main_~i~5 14), 13902#(<= ULTIMATE.start_main_~i~5 15), 13903#(<= ULTIMATE.start_main_~i~5 16), 13904#(<= ULTIMATE.start_main_~i~5 17), 13905#(<= ULTIMATE.start_main_~i~5 18), 13906#(<= ULTIMATE.start_main_~i~5 19), 13907#(<= ULTIMATE.start_main_~i~5 20), 13908#(<= ULTIMATE.start_main_~i~5 21), 13909#(<= ULTIMATE.start_main_~i~5 22), 13910#(<= ULTIMATE.start_main_~i~5 23), 13911#(<= ULTIMATE.start_main_~i~5 24), 13912#(<= ULTIMATE.start_main_~i~5 25), 13913#(<= ULTIMATE.start_main_~i~5 26), 13914#(<= ULTIMATE.start_main_~i~5 27), 13915#(<= ULTIMATE.start_main_~i~5 28), 13916#(<= ULTIMATE.start_main_~i~5 29), 13917#(<= ULTIMATE.start_main_~i~5 30), 13918#(<= ULTIMATE.start_main_~i~5 31), 13919#(<= ULTIMATE.start_main_~i~5 32), 13920#(<= ULTIMATE.start_main_~i~5 33), 13921#(<= ULTIMATE.start_main_~i~5 34), 13922#(<= ULTIMATE.start_main_~i~5 35), 13923#(<= ULTIMATE.start_main_~i~5 36), 13924#(<= ULTIMATE.start_main_~i~5 37), 13925#(<= ULTIMATE.start_main_~i~5 38), 13926#(<= ULTIMATE.start_main_~i~5 39), 13927#(<= ULTIMATE.start_main_~i~5 40), 13928#(<= ULTIMATE.start_main_~i~5 41), 13929#(<= ULTIMATE.start_main_~i~5 42), 13930#(<= ULTIMATE.start_main_~i~5 43), 13931#(<= ULTIMATE.start_main_~i~5 44), 13932#(<= ULTIMATE.start_main_~i~5 45), 13933#(<= ULTIMATE.start_main_~i~5 46), 13934#(<= ULTIMATE.start_main_~i~5 47), 13935#(<= ULTIMATE.start_main_~i~5 48), 13936#(<= ULTIMATE.start_main_~i~5 49), 13937#(<= ULTIMATE.start_main_~i~5 50), 13938#(<= ULTIMATE.start_main_~i~5 51)] [2018-07-23 13:40:59,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,093 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:40:59,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:40:59,094 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:40:59,095 INFO L87 Difference]: Start difference. First operand 109 states and 110 transitions. Second operand 54 states. [2018-07-23 13:40:59,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:59,149 INFO L93 Difference]: Finished difference Result 115 states and 117 transitions. [2018-07-23 13:40:59,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:40:59,149 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 108 [2018-07-23 13:40:59,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:59,150 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:40:59,150 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:40:59,151 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 13:40:59,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:40:59,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:40:59,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:40:59,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 112 transitions. [2018-07-23 13:40:59,156 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 112 transitions. Word has length 108 [2018-07-23 13:40:59,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:59,156 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 112 transitions. [2018-07-23 13:40:59,156 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:40:59,156 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2018-07-23 13:40:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:40:59,157 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:59,157 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 1, 1, 1, 1, 1] [2018-07-23 13:40:59,158 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:59,158 INFO L82 PathProgramCache]: Analyzing trace with hash -693279253, now seen corresponding path program 52 times [2018-07-23 13:40:59,158 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:59,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,392 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:59,392 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:40:59,392 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:59,393 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 13:40:59,393 INFO L185 omatonBuilderFactory]: Interpolants [14391#true, 14392#false, 14393#(<= ULTIMATE.start_main_~i~5 0), 14394#(<= ULTIMATE.start_main_~i~5 1), 14395#(<= ULTIMATE.start_main_~i~5 2), 14396#(<= ULTIMATE.start_main_~i~5 3), 14397#(<= ULTIMATE.start_main_~i~5 4), 14398#(<= ULTIMATE.start_main_~i~5 5), 14399#(<= ULTIMATE.start_main_~i~5 6), 14400#(<= ULTIMATE.start_main_~i~5 7), 14401#(<= ULTIMATE.start_main_~i~5 8), 14402#(<= ULTIMATE.start_main_~i~5 9), 14403#(<= ULTIMATE.start_main_~i~5 10), 14404#(<= ULTIMATE.start_main_~i~5 11), 14405#(<= ULTIMATE.start_main_~i~5 12), 14406#(<= ULTIMATE.start_main_~i~5 13), 14407#(<= ULTIMATE.start_main_~i~5 14), 14408#(<= ULTIMATE.start_main_~i~5 15), 14409#(<= ULTIMATE.start_main_~i~5 16), 14410#(<= ULTIMATE.start_main_~i~5 17), 14411#(<= ULTIMATE.start_main_~i~5 18), 14412#(<= ULTIMATE.start_main_~i~5 19), 14413#(<= ULTIMATE.start_main_~i~5 20), 14414#(<= ULTIMATE.start_main_~i~5 21), 14415#(<= ULTIMATE.start_main_~i~5 22), 14416#(<= ULTIMATE.start_main_~i~5 23), 14417#(<= ULTIMATE.start_main_~i~5 24), 14418#(<= ULTIMATE.start_main_~i~5 25), 14419#(<= ULTIMATE.start_main_~i~5 26), 14420#(<= ULTIMATE.start_main_~i~5 27), 14421#(<= ULTIMATE.start_main_~i~5 28), 14422#(<= ULTIMATE.start_main_~i~5 29), 14423#(<= ULTIMATE.start_main_~i~5 30), 14424#(<= ULTIMATE.start_main_~i~5 31), 14425#(<= ULTIMATE.start_main_~i~5 32), 14426#(<= ULTIMATE.start_main_~i~5 33), 14427#(<= ULTIMATE.start_main_~i~5 34), 14428#(<= ULTIMATE.start_main_~i~5 35), 14429#(<= ULTIMATE.start_main_~i~5 36), 14430#(<= ULTIMATE.start_main_~i~5 37), 14431#(<= ULTIMATE.start_main_~i~5 38), 14432#(<= ULTIMATE.start_main_~i~5 39), 14433#(<= ULTIMATE.start_main_~i~5 40), 14434#(<= ULTIMATE.start_main_~i~5 41), 14435#(<= ULTIMATE.start_main_~i~5 42), 14436#(<= ULTIMATE.start_main_~i~5 43), 14437#(<= ULTIMATE.start_main_~i~5 44), 14438#(<= ULTIMATE.start_main_~i~5 45), 14439#(<= ULTIMATE.start_main_~i~5 46), 14440#(<= ULTIMATE.start_main_~i~5 47), 14441#(<= ULTIMATE.start_main_~i~5 48), 14442#(<= ULTIMATE.start_main_~i~5 49), 14443#(<= ULTIMATE.start_main_~i~5 50), 14444#(<= ULTIMATE.start_main_~i~5 51), 14445#(<= ULTIMATE.start_main_~i~5 52)] [2018-07-23 13:40:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,394 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:40:59,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:40:59,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:40:59,396 INFO L87 Difference]: Start difference. First operand 111 states and 112 transitions. Second operand 55 states. [2018-07-23 13:40:59,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:59,457 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2018-07-23 13:40:59,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:40:59,457 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 110 [2018-07-23 13:40:59,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:59,458 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:40:59,459 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:40:59,460 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 13:40:59,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:40:59,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:40:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:40:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 114 transitions. [2018-07-23 13:40:59,464 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 114 transitions. Word has length 110 [2018-07-23 13:40:59,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:59,465 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 114 transitions. [2018-07-23 13:40:59,465 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:40:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-07-23 13:40:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:40:59,469 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:59,470 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 1, 1, 1, 1, 1] [2018-07-23 13:40:59,470 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:59,470 INFO L82 PathProgramCache]: Analyzing trace with hash -604989465, now seen corresponding path program 53 times [2018-07-23 13:40:59,470 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,719 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:59,719 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:40:59,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:59,720 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 13:40:59,720 INFO L185 omatonBuilderFactory]: Interpolants [14906#true, 14907#false, 14908#(<= ULTIMATE.start_main_~i~5 0), 14909#(<= ULTIMATE.start_main_~i~5 1), 14910#(<= ULTIMATE.start_main_~i~5 2), 14911#(<= ULTIMATE.start_main_~i~5 3), 14912#(<= ULTIMATE.start_main_~i~5 4), 14913#(<= ULTIMATE.start_main_~i~5 5), 14914#(<= ULTIMATE.start_main_~i~5 6), 14915#(<= ULTIMATE.start_main_~i~5 7), 14916#(<= ULTIMATE.start_main_~i~5 8), 14917#(<= ULTIMATE.start_main_~i~5 9), 14918#(<= ULTIMATE.start_main_~i~5 10), 14919#(<= ULTIMATE.start_main_~i~5 11), 14920#(<= ULTIMATE.start_main_~i~5 12), 14921#(<= ULTIMATE.start_main_~i~5 13), 14922#(<= ULTIMATE.start_main_~i~5 14), 14923#(<= ULTIMATE.start_main_~i~5 15), 14924#(<= ULTIMATE.start_main_~i~5 16), 14925#(<= ULTIMATE.start_main_~i~5 17), 14926#(<= ULTIMATE.start_main_~i~5 18), 14927#(<= ULTIMATE.start_main_~i~5 19), 14928#(<= ULTIMATE.start_main_~i~5 20), 14929#(<= ULTIMATE.start_main_~i~5 21), 14930#(<= ULTIMATE.start_main_~i~5 22), 14931#(<= ULTIMATE.start_main_~i~5 23), 14932#(<= ULTIMATE.start_main_~i~5 24), 14933#(<= ULTIMATE.start_main_~i~5 25), 14934#(<= ULTIMATE.start_main_~i~5 26), 14935#(<= ULTIMATE.start_main_~i~5 27), 14936#(<= ULTIMATE.start_main_~i~5 28), 14937#(<= ULTIMATE.start_main_~i~5 29), 14938#(<= ULTIMATE.start_main_~i~5 30), 14939#(<= ULTIMATE.start_main_~i~5 31), 14940#(<= ULTIMATE.start_main_~i~5 32), 14941#(<= ULTIMATE.start_main_~i~5 33), 14942#(<= ULTIMATE.start_main_~i~5 34), 14943#(<= ULTIMATE.start_main_~i~5 35), 14944#(<= ULTIMATE.start_main_~i~5 36), 14945#(<= ULTIMATE.start_main_~i~5 37), 14946#(<= ULTIMATE.start_main_~i~5 38), 14947#(<= ULTIMATE.start_main_~i~5 39), 14948#(<= ULTIMATE.start_main_~i~5 40), 14949#(<= ULTIMATE.start_main_~i~5 41), 14950#(<= ULTIMATE.start_main_~i~5 42), 14951#(<= ULTIMATE.start_main_~i~5 43), 14952#(<= ULTIMATE.start_main_~i~5 44), 14953#(<= ULTIMATE.start_main_~i~5 45), 14954#(<= ULTIMATE.start_main_~i~5 46), 14955#(<= ULTIMATE.start_main_~i~5 47), 14956#(<= ULTIMATE.start_main_~i~5 48), 14957#(<= ULTIMATE.start_main_~i~5 49), 14958#(<= ULTIMATE.start_main_~i~5 50), 14959#(<= ULTIMATE.start_main_~i~5 51), 14960#(<= ULTIMATE.start_main_~i~5 52), 14961#(<= ULTIMATE.start_main_~i~5 53)] [2018-07-23 13:40:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,721 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:40:59,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:40:59,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:40:59,723 INFO L87 Difference]: Start difference. First operand 113 states and 114 transitions. Second operand 56 states. [2018-07-23 13:40:59,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:59,786 INFO L93 Difference]: Finished difference Result 119 states and 121 transitions. [2018-07-23 13:40:59,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:40:59,787 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 112 [2018-07-23 13:40:59,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:59,791 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:40:59,792 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:40:59,793 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 13:40:59,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:40:59,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:40:59,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:40:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 116 transitions. [2018-07-23 13:40:59,798 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 116 transitions. Word has length 112 [2018-07-23 13:40:59,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:59,798 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 116 transitions. [2018-07-23 13:40:59,798 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:40:59,799 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-07-23 13:40:59,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:40:59,800 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:59,801 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 1, 1, 1, 1, 1] [2018-07-23 13:40:59,802 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:59,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1657849117, now seen corresponding path program 54 times [2018-07-23 13:40:59,802 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,025 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:00,026 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:41:00,026 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:00,026 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 13:41:00,027 INFO L185 omatonBuilderFactory]: Interpolants [15430#true, 15431#false, 15432#(<= ULTIMATE.start_main_~i~5 0), 15433#(<= ULTIMATE.start_main_~i~5 1), 15434#(<= ULTIMATE.start_main_~i~5 2), 15435#(<= ULTIMATE.start_main_~i~5 3), 15436#(<= ULTIMATE.start_main_~i~5 4), 15437#(<= ULTIMATE.start_main_~i~5 5), 15438#(<= ULTIMATE.start_main_~i~5 6), 15439#(<= ULTIMATE.start_main_~i~5 7), 15440#(<= ULTIMATE.start_main_~i~5 8), 15441#(<= ULTIMATE.start_main_~i~5 9), 15442#(<= ULTIMATE.start_main_~i~5 10), 15443#(<= ULTIMATE.start_main_~i~5 11), 15444#(<= ULTIMATE.start_main_~i~5 12), 15445#(<= ULTIMATE.start_main_~i~5 13), 15446#(<= ULTIMATE.start_main_~i~5 14), 15447#(<= ULTIMATE.start_main_~i~5 15), 15448#(<= ULTIMATE.start_main_~i~5 16), 15449#(<= ULTIMATE.start_main_~i~5 17), 15450#(<= ULTIMATE.start_main_~i~5 18), 15451#(<= ULTIMATE.start_main_~i~5 19), 15452#(<= ULTIMATE.start_main_~i~5 20), 15453#(<= ULTIMATE.start_main_~i~5 21), 15454#(<= ULTIMATE.start_main_~i~5 22), 15455#(<= ULTIMATE.start_main_~i~5 23), 15456#(<= ULTIMATE.start_main_~i~5 24), 15457#(<= ULTIMATE.start_main_~i~5 25), 15458#(<= ULTIMATE.start_main_~i~5 26), 15459#(<= ULTIMATE.start_main_~i~5 27), 15460#(<= ULTIMATE.start_main_~i~5 28), 15461#(<= ULTIMATE.start_main_~i~5 29), 15462#(<= ULTIMATE.start_main_~i~5 30), 15463#(<= ULTIMATE.start_main_~i~5 31), 15464#(<= ULTIMATE.start_main_~i~5 32), 15465#(<= ULTIMATE.start_main_~i~5 33), 15466#(<= ULTIMATE.start_main_~i~5 34), 15467#(<= ULTIMATE.start_main_~i~5 35), 15468#(<= ULTIMATE.start_main_~i~5 36), 15469#(<= ULTIMATE.start_main_~i~5 37), 15470#(<= ULTIMATE.start_main_~i~5 38), 15471#(<= ULTIMATE.start_main_~i~5 39), 15472#(<= ULTIMATE.start_main_~i~5 40), 15473#(<= ULTIMATE.start_main_~i~5 41), 15474#(<= ULTIMATE.start_main_~i~5 42), 15475#(<= ULTIMATE.start_main_~i~5 43), 15476#(<= ULTIMATE.start_main_~i~5 44), 15477#(<= ULTIMATE.start_main_~i~5 45), 15478#(<= ULTIMATE.start_main_~i~5 46), 15479#(<= ULTIMATE.start_main_~i~5 47), 15480#(<= ULTIMATE.start_main_~i~5 48), 15481#(<= ULTIMATE.start_main_~i~5 49), 15482#(<= ULTIMATE.start_main_~i~5 50), 15483#(<= ULTIMATE.start_main_~i~5 51), 15484#(<= ULTIMATE.start_main_~i~5 52), 15485#(<= ULTIMATE.start_main_~i~5 53), 15486#(<= ULTIMATE.start_main_~i~5 54)] [2018-07-23 13:41:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,028 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:41:00,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:41:00,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:41:00,029 INFO L87 Difference]: Start difference. First operand 115 states and 116 transitions. Second operand 57 states. [2018-07-23 13:41:00,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:00,095 INFO L93 Difference]: Finished difference Result 121 states and 123 transitions. [2018-07-23 13:41:00,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:41:00,095 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 114 [2018-07-23 13:41:00,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:00,096 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:41:00,096 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:41:00,098 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 13:41:00,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:41:00,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:41:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:41:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 118 transitions. [2018-07-23 13:41:00,104 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 118 transitions. Word has length 114 [2018-07-23 13:41:00,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:00,104 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 118 transitions. [2018-07-23 13:41:00,104 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:41:00,104 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2018-07-23 13:41:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:41:00,106 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:00,106 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 1, 1, 1, 1, 1] [2018-07-23 13:41:00,106 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:00,106 INFO L82 PathProgramCache]: Analyzing trace with hash 156307167, now seen corresponding path program 55 times [2018-07-23 13:41:00,106 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,354 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:00,355 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:41:00,355 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:00,355 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 13:41:00,356 INFO L185 omatonBuilderFactory]: Interpolants [16000#(<= ULTIMATE.start_main_~i~5 35), 16001#(<= ULTIMATE.start_main_~i~5 36), 16002#(<= ULTIMATE.start_main_~i~5 37), 16003#(<= ULTIMATE.start_main_~i~5 38), 16004#(<= ULTIMATE.start_main_~i~5 39), 16005#(<= ULTIMATE.start_main_~i~5 40), 16006#(<= ULTIMATE.start_main_~i~5 41), 16007#(<= ULTIMATE.start_main_~i~5 42), 16008#(<= ULTIMATE.start_main_~i~5 43), 16009#(<= ULTIMATE.start_main_~i~5 44), 16010#(<= ULTIMATE.start_main_~i~5 45), 16011#(<= ULTIMATE.start_main_~i~5 46), 16012#(<= ULTIMATE.start_main_~i~5 47), 16013#(<= ULTIMATE.start_main_~i~5 48), 16014#(<= ULTIMATE.start_main_~i~5 49), 16015#(<= ULTIMATE.start_main_~i~5 50), 16016#(<= ULTIMATE.start_main_~i~5 51), 16017#(<= ULTIMATE.start_main_~i~5 52), 16018#(<= ULTIMATE.start_main_~i~5 53), 16019#(<= ULTIMATE.start_main_~i~5 54), 16020#(<= ULTIMATE.start_main_~i~5 55), 15963#true, 15964#false, 15965#(<= ULTIMATE.start_main_~i~5 0), 15966#(<= ULTIMATE.start_main_~i~5 1), 15967#(<= ULTIMATE.start_main_~i~5 2), 15968#(<= ULTIMATE.start_main_~i~5 3), 15969#(<= ULTIMATE.start_main_~i~5 4), 15970#(<= ULTIMATE.start_main_~i~5 5), 15971#(<= ULTIMATE.start_main_~i~5 6), 15972#(<= ULTIMATE.start_main_~i~5 7), 15973#(<= ULTIMATE.start_main_~i~5 8), 15974#(<= ULTIMATE.start_main_~i~5 9), 15975#(<= ULTIMATE.start_main_~i~5 10), 15976#(<= ULTIMATE.start_main_~i~5 11), 15977#(<= ULTIMATE.start_main_~i~5 12), 15978#(<= ULTIMATE.start_main_~i~5 13), 15979#(<= ULTIMATE.start_main_~i~5 14), 15980#(<= ULTIMATE.start_main_~i~5 15), 15981#(<= ULTIMATE.start_main_~i~5 16), 15982#(<= ULTIMATE.start_main_~i~5 17), 15983#(<= ULTIMATE.start_main_~i~5 18), 15984#(<= ULTIMATE.start_main_~i~5 19), 15985#(<= ULTIMATE.start_main_~i~5 20), 15986#(<= ULTIMATE.start_main_~i~5 21), 15987#(<= ULTIMATE.start_main_~i~5 22), 15988#(<= ULTIMATE.start_main_~i~5 23), 15989#(<= ULTIMATE.start_main_~i~5 24), 15990#(<= ULTIMATE.start_main_~i~5 25), 15991#(<= ULTIMATE.start_main_~i~5 26), 15992#(<= ULTIMATE.start_main_~i~5 27), 15993#(<= ULTIMATE.start_main_~i~5 28), 15994#(<= ULTIMATE.start_main_~i~5 29), 15995#(<= ULTIMATE.start_main_~i~5 30), 15996#(<= ULTIMATE.start_main_~i~5 31), 15997#(<= ULTIMATE.start_main_~i~5 32), 15998#(<= ULTIMATE.start_main_~i~5 33), 15999#(<= ULTIMATE.start_main_~i~5 34)] [2018-07-23 13:41:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,356 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:41:00,357 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:41:00,358 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:41:00,358 INFO L87 Difference]: Start difference. First operand 117 states and 118 transitions. Second operand 58 states. [2018-07-23 13:41:00,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:00,407 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2018-07-23 13:41:00,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:41:00,407 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 116 [2018-07-23 13:41:00,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:00,408 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:41:00,408 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:41:00,410 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:41:00,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:41:00,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:41:00,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:41:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 120 transitions. [2018-07-23 13:41:00,415 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 120 transitions. Word has length 116 [2018-07-23 13:41:00,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:00,415 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 120 transitions. [2018-07-23 13:41:00,415 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:41:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2018-07-23 13:41:00,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:41:00,416 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:00,417 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 1, 1, 1, 1, 1] [2018-07-23 13:41:00,417 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:00,417 INFO L82 PathProgramCache]: Analyzing trace with hash -196226085, now seen corresponding path program 56 times [2018-07-23 13:41:00,417 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,692 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:00,693 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:41:00,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:00,693 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 13:41:00,694 INFO L185 omatonBuilderFactory]: Interpolants [16512#(<= ULTIMATE.start_main_~i~5 5), 16513#(<= ULTIMATE.start_main_~i~5 6), 16514#(<= ULTIMATE.start_main_~i~5 7), 16515#(<= ULTIMATE.start_main_~i~5 8), 16516#(<= ULTIMATE.start_main_~i~5 9), 16517#(<= ULTIMATE.start_main_~i~5 10), 16518#(<= ULTIMATE.start_main_~i~5 11), 16519#(<= ULTIMATE.start_main_~i~5 12), 16520#(<= ULTIMATE.start_main_~i~5 13), 16521#(<= ULTIMATE.start_main_~i~5 14), 16522#(<= ULTIMATE.start_main_~i~5 15), 16523#(<= ULTIMATE.start_main_~i~5 16), 16524#(<= ULTIMATE.start_main_~i~5 17), 16525#(<= ULTIMATE.start_main_~i~5 18), 16526#(<= ULTIMATE.start_main_~i~5 19), 16527#(<= ULTIMATE.start_main_~i~5 20), 16528#(<= ULTIMATE.start_main_~i~5 21), 16529#(<= ULTIMATE.start_main_~i~5 22), 16530#(<= ULTIMATE.start_main_~i~5 23), 16531#(<= ULTIMATE.start_main_~i~5 24), 16532#(<= ULTIMATE.start_main_~i~5 25), 16533#(<= ULTIMATE.start_main_~i~5 26), 16534#(<= ULTIMATE.start_main_~i~5 27), 16535#(<= ULTIMATE.start_main_~i~5 28), 16536#(<= ULTIMATE.start_main_~i~5 29), 16537#(<= ULTIMATE.start_main_~i~5 30), 16538#(<= ULTIMATE.start_main_~i~5 31), 16539#(<= ULTIMATE.start_main_~i~5 32), 16540#(<= ULTIMATE.start_main_~i~5 33), 16541#(<= ULTIMATE.start_main_~i~5 34), 16542#(<= ULTIMATE.start_main_~i~5 35), 16543#(<= ULTIMATE.start_main_~i~5 36), 16544#(<= ULTIMATE.start_main_~i~5 37), 16545#(<= ULTIMATE.start_main_~i~5 38), 16546#(<= ULTIMATE.start_main_~i~5 39), 16547#(<= ULTIMATE.start_main_~i~5 40), 16548#(<= ULTIMATE.start_main_~i~5 41), 16549#(<= ULTIMATE.start_main_~i~5 42), 16550#(<= ULTIMATE.start_main_~i~5 43), 16551#(<= ULTIMATE.start_main_~i~5 44), 16552#(<= ULTIMATE.start_main_~i~5 45), 16553#(<= ULTIMATE.start_main_~i~5 46), 16554#(<= ULTIMATE.start_main_~i~5 47), 16555#(<= ULTIMATE.start_main_~i~5 48), 16556#(<= ULTIMATE.start_main_~i~5 49), 16557#(<= ULTIMATE.start_main_~i~5 50), 16558#(<= ULTIMATE.start_main_~i~5 51), 16559#(<= ULTIMATE.start_main_~i~5 52), 16560#(<= ULTIMATE.start_main_~i~5 53), 16561#(<= ULTIMATE.start_main_~i~5 54), 16562#(<= ULTIMATE.start_main_~i~5 55), 16563#(<= ULTIMATE.start_main_~i~5 56), 16505#true, 16506#false, 16507#(<= ULTIMATE.start_main_~i~5 0), 16508#(<= ULTIMATE.start_main_~i~5 1), 16509#(<= ULTIMATE.start_main_~i~5 2), 16510#(<= ULTIMATE.start_main_~i~5 3), 16511#(<= ULTIMATE.start_main_~i~5 4)] [2018-07-23 13:41:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,694 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:41:00,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:41:00,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:41:00,696 INFO L87 Difference]: Start difference. First operand 119 states and 120 transitions. Second operand 59 states. [2018-07-23 13:41:00,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:00,768 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2018-07-23 13:41:00,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:41:00,769 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 118 [2018-07-23 13:41:00,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:00,770 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:41:00,770 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:41:00,771 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:41:00,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:41:00,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:41:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:41:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 122 transitions. [2018-07-23 13:41:00,776 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 122 transitions. Word has length 118 [2018-07-23 13:41:00,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:00,776 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 122 transitions. [2018-07-23 13:41:00,776 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:41:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2018-07-23 13:41:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:41:00,778 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:00,778 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 1, 1, 1, 1, 1] [2018-07-23 13:41:00,778 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:00,778 INFO L82 PathProgramCache]: Analyzing trace with hash 321735127, now seen corresponding path program 57 times [2018-07-23 13:41:00,778 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,081 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:01,081 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:41:01,082 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:01,082 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 13:41:01,083 INFO L185 omatonBuilderFactory]: Interpolants [17056#true, 17057#false, 17058#(<= ULTIMATE.start_main_~i~5 0), 17059#(<= ULTIMATE.start_main_~i~5 1), 17060#(<= ULTIMATE.start_main_~i~5 2), 17061#(<= ULTIMATE.start_main_~i~5 3), 17062#(<= ULTIMATE.start_main_~i~5 4), 17063#(<= ULTIMATE.start_main_~i~5 5), 17064#(<= ULTIMATE.start_main_~i~5 6), 17065#(<= ULTIMATE.start_main_~i~5 7), 17066#(<= ULTIMATE.start_main_~i~5 8), 17067#(<= ULTIMATE.start_main_~i~5 9), 17068#(<= ULTIMATE.start_main_~i~5 10), 17069#(<= ULTIMATE.start_main_~i~5 11), 17070#(<= ULTIMATE.start_main_~i~5 12), 17071#(<= ULTIMATE.start_main_~i~5 13), 17072#(<= ULTIMATE.start_main_~i~5 14), 17073#(<= ULTIMATE.start_main_~i~5 15), 17074#(<= ULTIMATE.start_main_~i~5 16), 17075#(<= ULTIMATE.start_main_~i~5 17), 17076#(<= ULTIMATE.start_main_~i~5 18), 17077#(<= ULTIMATE.start_main_~i~5 19), 17078#(<= ULTIMATE.start_main_~i~5 20), 17079#(<= ULTIMATE.start_main_~i~5 21), 17080#(<= ULTIMATE.start_main_~i~5 22), 17081#(<= ULTIMATE.start_main_~i~5 23), 17082#(<= ULTIMATE.start_main_~i~5 24), 17083#(<= ULTIMATE.start_main_~i~5 25), 17084#(<= ULTIMATE.start_main_~i~5 26), 17085#(<= ULTIMATE.start_main_~i~5 27), 17086#(<= ULTIMATE.start_main_~i~5 28), 17087#(<= ULTIMATE.start_main_~i~5 29), 17088#(<= ULTIMATE.start_main_~i~5 30), 17089#(<= ULTIMATE.start_main_~i~5 31), 17090#(<= ULTIMATE.start_main_~i~5 32), 17091#(<= ULTIMATE.start_main_~i~5 33), 17092#(<= ULTIMATE.start_main_~i~5 34), 17093#(<= ULTIMATE.start_main_~i~5 35), 17094#(<= ULTIMATE.start_main_~i~5 36), 17095#(<= ULTIMATE.start_main_~i~5 37), 17096#(<= ULTIMATE.start_main_~i~5 38), 17097#(<= ULTIMATE.start_main_~i~5 39), 17098#(<= ULTIMATE.start_main_~i~5 40), 17099#(<= ULTIMATE.start_main_~i~5 41), 17100#(<= ULTIMATE.start_main_~i~5 42), 17101#(<= ULTIMATE.start_main_~i~5 43), 17102#(<= ULTIMATE.start_main_~i~5 44), 17103#(<= ULTIMATE.start_main_~i~5 45), 17104#(<= ULTIMATE.start_main_~i~5 46), 17105#(<= ULTIMATE.start_main_~i~5 47), 17106#(<= ULTIMATE.start_main_~i~5 48), 17107#(<= ULTIMATE.start_main_~i~5 49), 17108#(<= ULTIMATE.start_main_~i~5 50), 17109#(<= ULTIMATE.start_main_~i~5 51), 17110#(<= ULTIMATE.start_main_~i~5 52), 17111#(<= ULTIMATE.start_main_~i~5 53), 17112#(<= ULTIMATE.start_main_~i~5 54), 17113#(<= ULTIMATE.start_main_~i~5 55), 17114#(<= ULTIMATE.start_main_~i~5 56), 17115#(<= ULTIMATE.start_main_~i~5 57)] [2018-07-23 13:41:01,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,084 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:41:01,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:41:01,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:41:01,086 INFO L87 Difference]: Start difference. First operand 121 states and 122 transitions. Second operand 60 states. [2018-07-23 13:41:01,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:01,160 INFO L93 Difference]: Finished difference Result 127 states and 129 transitions. [2018-07-23 13:41:01,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:41:01,160 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 120 [2018-07-23 13:41:01,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:01,161 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:41:01,161 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:41:01,163 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:41:01,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:41:01,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:41:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:41:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2018-07-23 13:41:01,169 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 120 [2018-07-23 13:41:01,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:01,169 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2018-07-23 13:41:01,169 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:41:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2018-07-23 13:41:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:41:01,171 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:01,171 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 1, 1, 1, 1, 1] [2018-07-23 13:41:01,171 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:01,171 INFO L82 PathProgramCache]: Analyzing trace with hash -133746477, now seen corresponding path program 58 times [2018-07-23 13:41:01,172 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:01,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,548 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:01,549 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:41:01,549 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:01,549 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 13:41:01,549 INFO L185 omatonBuilderFactory]: Interpolants [17664#(<= ULTIMATE.start_main_~i~5 46), 17665#(<= ULTIMATE.start_main_~i~5 47), 17666#(<= ULTIMATE.start_main_~i~5 48), 17667#(<= ULTIMATE.start_main_~i~5 49), 17668#(<= ULTIMATE.start_main_~i~5 50), 17669#(<= ULTIMATE.start_main_~i~5 51), 17670#(<= ULTIMATE.start_main_~i~5 52), 17671#(<= ULTIMATE.start_main_~i~5 53), 17672#(<= ULTIMATE.start_main_~i~5 54), 17673#(<= ULTIMATE.start_main_~i~5 55), 17674#(<= ULTIMATE.start_main_~i~5 56), 17675#(<= ULTIMATE.start_main_~i~5 57), 17676#(<= ULTIMATE.start_main_~i~5 58), 17616#true, 17617#false, 17618#(<= ULTIMATE.start_main_~i~5 0), 17619#(<= ULTIMATE.start_main_~i~5 1), 17620#(<= ULTIMATE.start_main_~i~5 2), 17621#(<= ULTIMATE.start_main_~i~5 3), 17622#(<= ULTIMATE.start_main_~i~5 4), 17623#(<= ULTIMATE.start_main_~i~5 5), 17624#(<= ULTIMATE.start_main_~i~5 6), 17625#(<= ULTIMATE.start_main_~i~5 7), 17626#(<= ULTIMATE.start_main_~i~5 8), 17627#(<= ULTIMATE.start_main_~i~5 9), 17628#(<= ULTIMATE.start_main_~i~5 10), 17629#(<= ULTIMATE.start_main_~i~5 11), 17630#(<= ULTIMATE.start_main_~i~5 12), 17631#(<= ULTIMATE.start_main_~i~5 13), 17632#(<= ULTIMATE.start_main_~i~5 14), 17633#(<= ULTIMATE.start_main_~i~5 15), 17634#(<= ULTIMATE.start_main_~i~5 16), 17635#(<= ULTIMATE.start_main_~i~5 17), 17636#(<= ULTIMATE.start_main_~i~5 18), 17637#(<= ULTIMATE.start_main_~i~5 19), 17638#(<= ULTIMATE.start_main_~i~5 20), 17639#(<= ULTIMATE.start_main_~i~5 21), 17640#(<= ULTIMATE.start_main_~i~5 22), 17641#(<= ULTIMATE.start_main_~i~5 23), 17642#(<= ULTIMATE.start_main_~i~5 24), 17643#(<= ULTIMATE.start_main_~i~5 25), 17644#(<= ULTIMATE.start_main_~i~5 26), 17645#(<= ULTIMATE.start_main_~i~5 27), 17646#(<= ULTIMATE.start_main_~i~5 28), 17647#(<= ULTIMATE.start_main_~i~5 29), 17648#(<= ULTIMATE.start_main_~i~5 30), 17649#(<= ULTIMATE.start_main_~i~5 31), 17650#(<= ULTIMATE.start_main_~i~5 32), 17651#(<= ULTIMATE.start_main_~i~5 33), 17652#(<= ULTIMATE.start_main_~i~5 34), 17653#(<= ULTIMATE.start_main_~i~5 35), 17654#(<= ULTIMATE.start_main_~i~5 36), 17655#(<= ULTIMATE.start_main_~i~5 37), 17656#(<= ULTIMATE.start_main_~i~5 38), 17657#(<= ULTIMATE.start_main_~i~5 39), 17658#(<= ULTIMATE.start_main_~i~5 40), 17659#(<= ULTIMATE.start_main_~i~5 41), 17660#(<= ULTIMATE.start_main_~i~5 42), 17661#(<= ULTIMATE.start_main_~i~5 43), 17662#(<= ULTIMATE.start_main_~i~5 44), 17663#(<= ULTIMATE.start_main_~i~5 45)] [2018-07-23 13:41:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,550 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:41:01,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:41:01,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:41:01,552 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand 61 states. [2018-07-23 13:41:01,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:01,598 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2018-07-23 13:41:01,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:41:01,598 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 122 [2018-07-23 13:41:01,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:01,599 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:41:01,600 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:41:01,601 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:41:01,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:41:01,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:41:01,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:41:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 126 transitions. [2018-07-23 13:41:01,606 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 126 transitions. Word has length 122 [2018-07-23 13:41:01,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:01,607 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 126 transitions. [2018-07-23 13:41:01,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:41:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-07-23 13:41:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:41:01,608 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:01,608 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 1, 1, 1, 1, 1] [2018-07-23 13:41:01,608 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:01,609 INFO L82 PathProgramCache]: Analyzing trace with hash 235096271, now seen corresponding path program 59 times [2018-07-23 13:41:01,609 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,876 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:01,876 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:41:01,876 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:01,876 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 13:41:01,877 INFO L185 omatonBuilderFactory]: Interpolants [18185#true, 18186#false, 18187#(<= ULTIMATE.start_main_~i~5 0), 18188#(<= ULTIMATE.start_main_~i~5 1), 18189#(<= ULTIMATE.start_main_~i~5 2), 18190#(<= ULTIMATE.start_main_~i~5 3), 18191#(<= ULTIMATE.start_main_~i~5 4), 18192#(<= ULTIMATE.start_main_~i~5 5), 18193#(<= ULTIMATE.start_main_~i~5 6), 18194#(<= ULTIMATE.start_main_~i~5 7), 18195#(<= ULTIMATE.start_main_~i~5 8), 18196#(<= ULTIMATE.start_main_~i~5 9), 18197#(<= ULTIMATE.start_main_~i~5 10), 18198#(<= ULTIMATE.start_main_~i~5 11), 18199#(<= ULTIMATE.start_main_~i~5 12), 18200#(<= ULTIMATE.start_main_~i~5 13), 18201#(<= ULTIMATE.start_main_~i~5 14), 18202#(<= ULTIMATE.start_main_~i~5 15), 18203#(<= ULTIMATE.start_main_~i~5 16), 18204#(<= ULTIMATE.start_main_~i~5 17), 18205#(<= ULTIMATE.start_main_~i~5 18), 18206#(<= ULTIMATE.start_main_~i~5 19), 18207#(<= ULTIMATE.start_main_~i~5 20), 18208#(<= ULTIMATE.start_main_~i~5 21), 18209#(<= ULTIMATE.start_main_~i~5 22), 18210#(<= ULTIMATE.start_main_~i~5 23), 18211#(<= ULTIMATE.start_main_~i~5 24), 18212#(<= ULTIMATE.start_main_~i~5 25), 18213#(<= ULTIMATE.start_main_~i~5 26), 18214#(<= ULTIMATE.start_main_~i~5 27), 18215#(<= ULTIMATE.start_main_~i~5 28), 18216#(<= ULTIMATE.start_main_~i~5 29), 18217#(<= ULTIMATE.start_main_~i~5 30), 18218#(<= ULTIMATE.start_main_~i~5 31), 18219#(<= ULTIMATE.start_main_~i~5 32), 18220#(<= ULTIMATE.start_main_~i~5 33), 18221#(<= ULTIMATE.start_main_~i~5 34), 18222#(<= ULTIMATE.start_main_~i~5 35), 18223#(<= ULTIMATE.start_main_~i~5 36), 18224#(<= ULTIMATE.start_main_~i~5 37), 18225#(<= ULTIMATE.start_main_~i~5 38), 18226#(<= ULTIMATE.start_main_~i~5 39), 18227#(<= ULTIMATE.start_main_~i~5 40), 18228#(<= ULTIMATE.start_main_~i~5 41), 18229#(<= ULTIMATE.start_main_~i~5 42), 18230#(<= ULTIMATE.start_main_~i~5 43), 18231#(<= ULTIMATE.start_main_~i~5 44), 18232#(<= ULTIMATE.start_main_~i~5 45), 18233#(<= ULTIMATE.start_main_~i~5 46), 18234#(<= ULTIMATE.start_main_~i~5 47), 18235#(<= ULTIMATE.start_main_~i~5 48), 18236#(<= ULTIMATE.start_main_~i~5 49), 18237#(<= ULTIMATE.start_main_~i~5 50), 18238#(<= ULTIMATE.start_main_~i~5 51), 18239#(<= ULTIMATE.start_main_~i~5 52), 18240#(<= ULTIMATE.start_main_~i~5 53), 18241#(<= ULTIMATE.start_main_~i~5 54), 18242#(<= ULTIMATE.start_main_~i~5 55), 18243#(<= ULTIMATE.start_main_~i~5 56), 18244#(<= ULTIMATE.start_main_~i~5 57), 18245#(<= ULTIMATE.start_main_~i~5 58), 18246#(<= ULTIMATE.start_main_~i~5 59)] [2018-07-23 13:41:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,878 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:41:01,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:41:01,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:41:01,881 INFO L87 Difference]: Start difference. First operand 125 states and 126 transitions. Second operand 62 states. [2018-07-23 13:41:01,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:01,966 INFO L93 Difference]: Finished difference Result 131 states and 133 transitions. [2018-07-23 13:41:01,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:41:01,966 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 124 [2018-07-23 13:41:01,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:01,967 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:41:01,967 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:41:01,969 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 13:41:01,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:41:01,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:41:01,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:41:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 128 transitions. [2018-07-23 13:41:01,974 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 128 transitions. Word has length 124 [2018-07-23 13:41:01,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:01,975 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 128 transitions. [2018-07-23 13:41:01,975 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:41:01,975 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2018-07-23 13:41:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:41:01,976 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:01,977 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 1, 1, 1, 1, 1] [2018-07-23 13:41:01,977 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:01,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1789308469, now seen corresponding path program 60 times [2018-07-23 13:41:01,977 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,234 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:02,234 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:41:02,234 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:02,235 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 13:41:02,235 INFO L185 omatonBuilderFactory]: Interpolants [18816#(<= ULTIMATE.start_main_~i~5 51), 18817#(<= ULTIMATE.start_main_~i~5 52), 18818#(<= ULTIMATE.start_main_~i~5 53), 18819#(<= ULTIMATE.start_main_~i~5 54), 18820#(<= ULTIMATE.start_main_~i~5 55), 18821#(<= ULTIMATE.start_main_~i~5 56), 18822#(<= ULTIMATE.start_main_~i~5 57), 18823#(<= ULTIMATE.start_main_~i~5 58), 18824#(<= ULTIMATE.start_main_~i~5 59), 18825#(<= ULTIMATE.start_main_~i~5 60), 18763#true, 18764#false, 18765#(<= ULTIMATE.start_main_~i~5 0), 18766#(<= ULTIMATE.start_main_~i~5 1), 18767#(<= ULTIMATE.start_main_~i~5 2), 18768#(<= ULTIMATE.start_main_~i~5 3), 18769#(<= ULTIMATE.start_main_~i~5 4), 18770#(<= ULTIMATE.start_main_~i~5 5), 18771#(<= ULTIMATE.start_main_~i~5 6), 18772#(<= ULTIMATE.start_main_~i~5 7), 18773#(<= ULTIMATE.start_main_~i~5 8), 18774#(<= ULTIMATE.start_main_~i~5 9), 18775#(<= ULTIMATE.start_main_~i~5 10), 18776#(<= ULTIMATE.start_main_~i~5 11), 18777#(<= ULTIMATE.start_main_~i~5 12), 18778#(<= ULTIMATE.start_main_~i~5 13), 18779#(<= ULTIMATE.start_main_~i~5 14), 18780#(<= ULTIMATE.start_main_~i~5 15), 18781#(<= ULTIMATE.start_main_~i~5 16), 18782#(<= ULTIMATE.start_main_~i~5 17), 18783#(<= ULTIMATE.start_main_~i~5 18), 18784#(<= ULTIMATE.start_main_~i~5 19), 18785#(<= ULTIMATE.start_main_~i~5 20), 18786#(<= ULTIMATE.start_main_~i~5 21), 18787#(<= ULTIMATE.start_main_~i~5 22), 18788#(<= ULTIMATE.start_main_~i~5 23), 18789#(<= ULTIMATE.start_main_~i~5 24), 18790#(<= ULTIMATE.start_main_~i~5 25), 18791#(<= ULTIMATE.start_main_~i~5 26), 18792#(<= ULTIMATE.start_main_~i~5 27), 18793#(<= ULTIMATE.start_main_~i~5 28), 18794#(<= ULTIMATE.start_main_~i~5 29), 18795#(<= ULTIMATE.start_main_~i~5 30), 18796#(<= ULTIMATE.start_main_~i~5 31), 18797#(<= ULTIMATE.start_main_~i~5 32), 18798#(<= ULTIMATE.start_main_~i~5 33), 18799#(<= ULTIMATE.start_main_~i~5 34), 18800#(<= ULTIMATE.start_main_~i~5 35), 18801#(<= ULTIMATE.start_main_~i~5 36), 18802#(<= ULTIMATE.start_main_~i~5 37), 18803#(<= ULTIMATE.start_main_~i~5 38), 18804#(<= ULTIMATE.start_main_~i~5 39), 18805#(<= ULTIMATE.start_main_~i~5 40), 18806#(<= ULTIMATE.start_main_~i~5 41), 18807#(<= ULTIMATE.start_main_~i~5 42), 18808#(<= ULTIMATE.start_main_~i~5 43), 18809#(<= ULTIMATE.start_main_~i~5 44), 18810#(<= ULTIMATE.start_main_~i~5 45), 18811#(<= ULTIMATE.start_main_~i~5 46), 18812#(<= ULTIMATE.start_main_~i~5 47), 18813#(<= ULTIMATE.start_main_~i~5 48), 18814#(<= ULTIMATE.start_main_~i~5 49), 18815#(<= ULTIMATE.start_main_~i~5 50)] [2018-07-23 13:41:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,236 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:41:02,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:41:02,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:41:02,238 INFO L87 Difference]: Start difference. First operand 127 states and 128 transitions. Second operand 63 states. [2018-07-23 13:41:02,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:02,298 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2018-07-23 13:41:02,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:41:02,298 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 126 [2018-07-23 13:41:02,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:02,299 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:41:02,299 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:41:02,300 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 13:41:02,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:41:02,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:41:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:41:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 130 transitions. [2018-07-23 13:41:02,305 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 130 transitions. Word has length 126 [2018-07-23 13:41:02,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:02,306 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 130 transitions. [2018-07-23 13:41:02,306 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:41:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2018-07-23 13:41:02,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:41:02,307 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:02,307 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 1, 1, 1, 1, 1] [2018-07-23 13:41:02,307 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:02,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1622078521, now seen corresponding path program 61 times [2018-07-23 13:41:02,308 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,578 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:02,578 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:41:02,578 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:02,578 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 13:41:02,579 INFO L185 omatonBuilderFactory]: Interpolants [19350#true, 19351#false, 19352#(<= ULTIMATE.start_main_~i~5 0), 19353#(<= ULTIMATE.start_main_~i~5 1), 19354#(<= ULTIMATE.start_main_~i~5 2), 19355#(<= ULTIMATE.start_main_~i~5 3), 19356#(<= ULTIMATE.start_main_~i~5 4), 19357#(<= ULTIMATE.start_main_~i~5 5), 19358#(<= ULTIMATE.start_main_~i~5 6), 19359#(<= ULTIMATE.start_main_~i~5 7), 19360#(<= ULTIMATE.start_main_~i~5 8), 19361#(<= ULTIMATE.start_main_~i~5 9), 19362#(<= ULTIMATE.start_main_~i~5 10), 19363#(<= ULTIMATE.start_main_~i~5 11), 19364#(<= ULTIMATE.start_main_~i~5 12), 19365#(<= ULTIMATE.start_main_~i~5 13), 19366#(<= ULTIMATE.start_main_~i~5 14), 19367#(<= ULTIMATE.start_main_~i~5 15), 19368#(<= ULTIMATE.start_main_~i~5 16), 19369#(<= ULTIMATE.start_main_~i~5 17), 19370#(<= ULTIMATE.start_main_~i~5 18), 19371#(<= ULTIMATE.start_main_~i~5 19), 19372#(<= ULTIMATE.start_main_~i~5 20), 19373#(<= ULTIMATE.start_main_~i~5 21), 19374#(<= ULTIMATE.start_main_~i~5 22), 19375#(<= ULTIMATE.start_main_~i~5 23), 19376#(<= ULTIMATE.start_main_~i~5 24), 19377#(<= ULTIMATE.start_main_~i~5 25), 19378#(<= ULTIMATE.start_main_~i~5 26), 19379#(<= ULTIMATE.start_main_~i~5 27), 19380#(<= ULTIMATE.start_main_~i~5 28), 19381#(<= ULTIMATE.start_main_~i~5 29), 19382#(<= ULTIMATE.start_main_~i~5 30), 19383#(<= ULTIMATE.start_main_~i~5 31), 19384#(<= ULTIMATE.start_main_~i~5 32), 19385#(<= ULTIMATE.start_main_~i~5 33), 19386#(<= ULTIMATE.start_main_~i~5 34), 19387#(<= ULTIMATE.start_main_~i~5 35), 19388#(<= ULTIMATE.start_main_~i~5 36), 19389#(<= ULTIMATE.start_main_~i~5 37), 19390#(<= ULTIMATE.start_main_~i~5 38), 19391#(<= ULTIMATE.start_main_~i~5 39), 19392#(<= ULTIMATE.start_main_~i~5 40), 19393#(<= ULTIMATE.start_main_~i~5 41), 19394#(<= ULTIMATE.start_main_~i~5 42), 19395#(<= ULTIMATE.start_main_~i~5 43), 19396#(<= ULTIMATE.start_main_~i~5 44), 19397#(<= ULTIMATE.start_main_~i~5 45), 19398#(<= ULTIMATE.start_main_~i~5 46), 19399#(<= ULTIMATE.start_main_~i~5 47), 19400#(<= ULTIMATE.start_main_~i~5 48), 19401#(<= ULTIMATE.start_main_~i~5 49), 19402#(<= ULTIMATE.start_main_~i~5 50), 19403#(<= ULTIMATE.start_main_~i~5 51), 19404#(<= ULTIMATE.start_main_~i~5 52), 19405#(<= ULTIMATE.start_main_~i~5 53), 19406#(<= ULTIMATE.start_main_~i~5 54), 19407#(<= ULTIMATE.start_main_~i~5 55), 19408#(<= ULTIMATE.start_main_~i~5 56), 19409#(<= ULTIMATE.start_main_~i~5 57), 19410#(<= ULTIMATE.start_main_~i~5 58), 19411#(<= ULTIMATE.start_main_~i~5 59), 19412#(<= ULTIMATE.start_main_~i~5 60), 19413#(<= ULTIMATE.start_main_~i~5 61)] [2018-07-23 13:41:02,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,580 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:41:02,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:41:02,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:41:02,582 INFO L87 Difference]: Start difference. First operand 129 states and 130 transitions. Second operand 64 states. [2018-07-23 13:41:02,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:02,663 INFO L93 Difference]: Finished difference Result 135 states and 137 transitions. [2018-07-23 13:41:02,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:41:02,664 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 128 [2018-07-23 13:41:02,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:02,665 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:41:02,665 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:41:02,666 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 13:41:02,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:41:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:41:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:41:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 132 transitions. [2018-07-23 13:41:02,672 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 132 transitions. Word has length 128 [2018-07-23 13:41:02,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:02,673 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 132 transitions. [2018-07-23 13:41:02,673 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:41:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-07-23 13:41:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:41:02,674 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:02,675 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 1, 1, 1, 1, 1] [2018-07-23 13:41:02,675 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:02,675 INFO L82 PathProgramCache]: Analyzing trace with hash 172111555, now seen corresponding path program 62 times [2018-07-23 13:41:02,675 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,949 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:02,949 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:41:02,949 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:02,949 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 13:41:02,950 INFO L185 omatonBuilderFactory]: Interpolants [19968#(<= ULTIMATE.start_main_~i~5 20), 19969#(<= ULTIMATE.start_main_~i~5 21), 19970#(<= ULTIMATE.start_main_~i~5 22), 19971#(<= ULTIMATE.start_main_~i~5 23), 19972#(<= ULTIMATE.start_main_~i~5 24), 19973#(<= ULTIMATE.start_main_~i~5 25), 19974#(<= ULTIMATE.start_main_~i~5 26), 19975#(<= ULTIMATE.start_main_~i~5 27), 19976#(<= ULTIMATE.start_main_~i~5 28), 19977#(<= ULTIMATE.start_main_~i~5 29), 19978#(<= ULTIMATE.start_main_~i~5 30), 19979#(<= ULTIMATE.start_main_~i~5 31), 19980#(<= ULTIMATE.start_main_~i~5 32), 19981#(<= ULTIMATE.start_main_~i~5 33), 19982#(<= ULTIMATE.start_main_~i~5 34), 19983#(<= ULTIMATE.start_main_~i~5 35), 19984#(<= ULTIMATE.start_main_~i~5 36), 19985#(<= ULTIMATE.start_main_~i~5 37), 19986#(<= ULTIMATE.start_main_~i~5 38), 19987#(<= ULTIMATE.start_main_~i~5 39), 19988#(<= ULTIMATE.start_main_~i~5 40), 19989#(<= ULTIMATE.start_main_~i~5 41), 19990#(<= ULTIMATE.start_main_~i~5 42), 19991#(<= ULTIMATE.start_main_~i~5 43), 19992#(<= ULTIMATE.start_main_~i~5 44), 19993#(<= ULTIMATE.start_main_~i~5 45), 19994#(<= ULTIMATE.start_main_~i~5 46), 19995#(<= ULTIMATE.start_main_~i~5 47), 19996#(<= ULTIMATE.start_main_~i~5 48), 19997#(<= ULTIMATE.start_main_~i~5 49), 19998#(<= ULTIMATE.start_main_~i~5 50), 19999#(<= ULTIMATE.start_main_~i~5 51), 20000#(<= ULTIMATE.start_main_~i~5 52), 20001#(<= ULTIMATE.start_main_~i~5 53), 20002#(<= ULTIMATE.start_main_~i~5 54), 20003#(<= ULTIMATE.start_main_~i~5 55), 20004#(<= ULTIMATE.start_main_~i~5 56), 20005#(<= ULTIMATE.start_main_~i~5 57), 20006#(<= ULTIMATE.start_main_~i~5 58), 20007#(<= ULTIMATE.start_main_~i~5 59), 20008#(<= ULTIMATE.start_main_~i~5 60), 20009#(<= ULTIMATE.start_main_~i~5 61), 20010#(<= ULTIMATE.start_main_~i~5 62), 19946#true, 19947#false, 19948#(<= ULTIMATE.start_main_~i~5 0), 19949#(<= ULTIMATE.start_main_~i~5 1), 19950#(<= ULTIMATE.start_main_~i~5 2), 19951#(<= ULTIMATE.start_main_~i~5 3), 19952#(<= ULTIMATE.start_main_~i~5 4), 19953#(<= ULTIMATE.start_main_~i~5 5), 19954#(<= ULTIMATE.start_main_~i~5 6), 19955#(<= ULTIMATE.start_main_~i~5 7), 19956#(<= ULTIMATE.start_main_~i~5 8), 19957#(<= ULTIMATE.start_main_~i~5 9), 19958#(<= ULTIMATE.start_main_~i~5 10), 19959#(<= ULTIMATE.start_main_~i~5 11), 19960#(<= ULTIMATE.start_main_~i~5 12), 19961#(<= ULTIMATE.start_main_~i~5 13), 19962#(<= ULTIMATE.start_main_~i~5 14), 19963#(<= ULTIMATE.start_main_~i~5 15), 19964#(<= ULTIMATE.start_main_~i~5 16), 19965#(<= ULTIMATE.start_main_~i~5 17), 19966#(<= ULTIMATE.start_main_~i~5 18), 19967#(<= ULTIMATE.start_main_~i~5 19)] [2018-07-23 13:41:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,951 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:41:02,951 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:41:02,952 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:41:02,952 INFO L87 Difference]: Start difference. First operand 131 states and 132 transitions. Second operand 65 states. [2018-07-23 13:41:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,017 INFO L93 Difference]: Finished difference Result 137 states and 139 transitions. [2018-07-23 13:41:03,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:41:03,017 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 130 [2018-07-23 13:41:03,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,018 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:41:03,019 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:41:03,019 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 13:41:03,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:41:03,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:41:03,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:41:03,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 134 transitions. [2018-07-23 13:41:03,024 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 134 transitions. Word has length 130 [2018-07-23 13:41:03,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,025 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 134 transitions. [2018-07-23 13:41:03,025 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:41:03,025 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2018-07-23 13:41:03,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:41:03,026 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,026 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 1, 1, 1, 1, 1] [2018-07-23 13:41:03,027 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,027 INFO L82 PathProgramCache]: Analyzing trace with hash 2106888895, now seen corresponding path program 63 times [2018-07-23 13:41:03,027 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,312 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,312 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:41:03,313 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,313 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 13:41:03,313 INFO L185 omatonBuilderFactory]: Interpolants [20608#(<= ULTIMATE.start_main_~i~5 55), 20609#(<= ULTIMATE.start_main_~i~5 56), 20610#(<= ULTIMATE.start_main_~i~5 57), 20611#(<= ULTIMATE.start_main_~i~5 58), 20612#(<= ULTIMATE.start_main_~i~5 59), 20613#(<= ULTIMATE.start_main_~i~5 60), 20614#(<= ULTIMATE.start_main_~i~5 61), 20615#(<= ULTIMATE.start_main_~i~5 62), 20616#(<= ULTIMATE.start_main_~i~5 63), 20551#true, 20552#false, 20553#(<= ULTIMATE.start_main_~i~5 0), 20554#(<= ULTIMATE.start_main_~i~5 1), 20555#(<= ULTIMATE.start_main_~i~5 2), 20556#(<= ULTIMATE.start_main_~i~5 3), 20557#(<= ULTIMATE.start_main_~i~5 4), 20558#(<= ULTIMATE.start_main_~i~5 5), 20559#(<= ULTIMATE.start_main_~i~5 6), 20560#(<= ULTIMATE.start_main_~i~5 7), 20561#(<= ULTIMATE.start_main_~i~5 8), 20562#(<= ULTIMATE.start_main_~i~5 9), 20563#(<= ULTIMATE.start_main_~i~5 10), 20564#(<= ULTIMATE.start_main_~i~5 11), 20565#(<= ULTIMATE.start_main_~i~5 12), 20566#(<= ULTIMATE.start_main_~i~5 13), 20567#(<= ULTIMATE.start_main_~i~5 14), 20568#(<= ULTIMATE.start_main_~i~5 15), 20569#(<= ULTIMATE.start_main_~i~5 16), 20570#(<= ULTIMATE.start_main_~i~5 17), 20571#(<= ULTIMATE.start_main_~i~5 18), 20572#(<= ULTIMATE.start_main_~i~5 19), 20573#(<= ULTIMATE.start_main_~i~5 20), 20574#(<= ULTIMATE.start_main_~i~5 21), 20575#(<= ULTIMATE.start_main_~i~5 22), 20576#(<= ULTIMATE.start_main_~i~5 23), 20577#(<= ULTIMATE.start_main_~i~5 24), 20578#(<= ULTIMATE.start_main_~i~5 25), 20579#(<= ULTIMATE.start_main_~i~5 26), 20580#(<= ULTIMATE.start_main_~i~5 27), 20581#(<= ULTIMATE.start_main_~i~5 28), 20582#(<= ULTIMATE.start_main_~i~5 29), 20583#(<= ULTIMATE.start_main_~i~5 30), 20584#(<= ULTIMATE.start_main_~i~5 31), 20585#(<= ULTIMATE.start_main_~i~5 32), 20586#(<= ULTIMATE.start_main_~i~5 33), 20587#(<= ULTIMATE.start_main_~i~5 34), 20588#(<= ULTIMATE.start_main_~i~5 35), 20589#(<= ULTIMATE.start_main_~i~5 36), 20590#(<= ULTIMATE.start_main_~i~5 37), 20591#(<= ULTIMATE.start_main_~i~5 38), 20592#(<= ULTIMATE.start_main_~i~5 39), 20593#(<= ULTIMATE.start_main_~i~5 40), 20594#(<= ULTIMATE.start_main_~i~5 41), 20595#(<= ULTIMATE.start_main_~i~5 42), 20596#(<= ULTIMATE.start_main_~i~5 43), 20597#(<= ULTIMATE.start_main_~i~5 44), 20598#(<= ULTIMATE.start_main_~i~5 45), 20599#(<= ULTIMATE.start_main_~i~5 46), 20600#(<= ULTIMATE.start_main_~i~5 47), 20601#(<= ULTIMATE.start_main_~i~5 48), 20602#(<= ULTIMATE.start_main_~i~5 49), 20603#(<= ULTIMATE.start_main_~i~5 50), 20604#(<= ULTIMATE.start_main_~i~5 51), 20605#(<= ULTIMATE.start_main_~i~5 52), 20606#(<= ULTIMATE.start_main_~i~5 53), 20607#(<= ULTIMATE.start_main_~i~5 54)] [2018-07-23 13:41:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,314 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:41:03,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:41:03,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:41:03,316 INFO L87 Difference]: Start difference. First operand 133 states and 134 transitions. Second operand 66 states. [2018-07-23 13:41:03,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,382 INFO L93 Difference]: Finished difference Result 139 states and 141 transitions. [2018-07-23 13:41:03,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:41:03,382 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 132 [2018-07-23 13:41:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,386 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:41:03,386 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:41:03,387 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 13:41:03,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:41:03,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:41:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:41:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 136 transitions. [2018-07-23 13:41:03,393 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 136 transitions. Word has length 132 [2018-07-23 13:41:03,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,393 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 136 transitions. [2018-07-23 13:41:03,394 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:41:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2018-07-23 13:41:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:41:03,395 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,396 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 1, 1, 1, 1, 1] [2018-07-23 13:41:03,396 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1707073467, now seen corresponding path program 64 times [2018-07-23 13:41:03,396 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,691 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,692 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:41:03,692 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,692 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 13:41:03,693 INFO L185 omatonBuilderFactory]: Interpolants [21165#true, 21166#false, 21167#(<= ULTIMATE.start_main_~i~5 0), 21168#(<= ULTIMATE.start_main_~i~5 1), 21169#(<= ULTIMATE.start_main_~i~5 2), 21170#(<= ULTIMATE.start_main_~i~5 3), 21171#(<= ULTIMATE.start_main_~i~5 4), 21172#(<= ULTIMATE.start_main_~i~5 5), 21173#(<= ULTIMATE.start_main_~i~5 6), 21174#(<= ULTIMATE.start_main_~i~5 7), 21175#(<= ULTIMATE.start_main_~i~5 8), 21176#(<= ULTIMATE.start_main_~i~5 9), 21177#(<= ULTIMATE.start_main_~i~5 10), 21178#(<= ULTIMATE.start_main_~i~5 11), 21179#(<= ULTIMATE.start_main_~i~5 12), 21180#(<= ULTIMATE.start_main_~i~5 13), 21181#(<= ULTIMATE.start_main_~i~5 14), 21182#(<= ULTIMATE.start_main_~i~5 15), 21183#(<= ULTIMATE.start_main_~i~5 16), 21184#(<= ULTIMATE.start_main_~i~5 17), 21185#(<= ULTIMATE.start_main_~i~5 18), 21186#(<= ULTIMATE.start_main_~i~5 19), 21187#(<= ULTIMATE.start_main_~i~5 20), 21188#(<= ULTIMATE.start_main_~i~5 21), 21189#(<= ULTIMATE.start_main_~i~5 22), 21190#(<= ULTIMATE.start_main_~i~5 23), 21191#(<= ULTIMATE.start_main_~i~5 24), 21192#(<= ULTIMATE.start_main_~i~5 25), 21193#(<= ULTIMATE.start_main_~i~5 26), 21194#(<= ULTIMATE.start_main_~i~5 27), 21195#(<= ULTIMATE.start_main_~i~5 28), 21196#(<= ULTIMATE.start_main_~i~5 29), 21197#(<= ULTIMATE.start_main_~i~5 30), 21198#(<= ULTIMATE.start_main_~i~5 31), 21199#(<= ULTIMATE.start_main_~i~5 32), 21200#(<= ULTIMATE.start_main_~i~5 33), 21201#(<= ULTIMATE.start_main_~i~5 34), 21202#(<= ULTIMATE.start_main_~i~5 35), 21203#(<= ULTIMATE.start_main_~i~5 36), 21204#(<= ULTIMATE.start_main_~i~5 37), 21205#(<= ULTIMATE.start_main_~i~5 38), 21206#(<= ULTIMATE.start_main_~i~5 39), 21207#(<= ULTIMATE.start_main_~i~5 40), 21208#(<= ULTIMATE.start_main_~i~5 41), 21209#(<= ULTIMATE.start_main_~i~5 42), 21210#(<= ULTIMATE.start_main_~i~5 43), 21211#(<= ULTIMATE.start_main_~i~5 44), 21212#(<= ULTIMATE.start_main_~i~5 45), 21213#(<= ULTIMATE.start_main_~i~5 46), 21214#(<= ULTIMATE.start_main_~i~5 47), 21215#(<= ULTIMATE.start_main_~i~5 48), 21216#(<= ULTIMATE.start_main_~i~5 49), 21217#(<= ULTIMATE.start_main_~i~5 50), 21218#(<= ULTIMATE.start_main_~i~5 51), 21219#(<= ULTIMATE.start_main_~i~5 52), 21220#(<= ULTIMATE.start_main_~i~5 53), 21221#(<= ULTIMATE.start_main_~i~5 54), 21222#(<= ULTIMATE.start_main_~i~5 55), 21223#(<= ULTIMATE.start_main_~i~5 56), 21224#(<= ULTIMATE.start_main_~i~5 57), 21225#(<= ULTIMATE.start_main_~i~5 58), 21226#(<= ULTIMATE.start_main_~i~5 59), 21227#(<= ULTIMATE.start_main_~i~5 60), 21228#(<= ULTIMATE.start_main_~i~5 61), 21229#(<= ULTIMATE.start_main_~i~5 62), 21230#(<= ULTIMATE.start_main_~i~5 63), 21231#(<= ULTIMATE.start_main_~i~5 64)] [2018-07-23 13:41:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,694 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:41:03,694 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:41:03,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:41:03,695 INFO L87 Difference]: Start difference. First operand 135 states and 136 transitions. Second operand 67 states. [2018-07-23 13:41:03,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,788 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2018-07-23 13:41:03,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:41:03,788 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 134 [2018-07-23 13:41:03,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,790 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:41:03,790 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:41:03,793 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 13:41:03,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:41:03,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:41:03,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:41:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 138 transitions. [2018-07-23 13:41:03,799 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 138 transitions. Word has length 134 [2018-07-23 13:41:03,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,799 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 138 transitions. [2018-07-23 13:41:03,799 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:41:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-07-23 13:41:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:41:03,801 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,801 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 1, 1, 1, 1, 1] [2018-07-23 13:41:03,801 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,802 INFO L82 PathProgramCache]: Analyzing trace with hash -263463497, now seen corresponding path program 65 times [2018-07-23 13:41:03,802 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,124 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,125 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:41:04,125 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,125 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 13:41:04,125 INFO L185 omatonBuilderFactory]: Interpolants [21788#true, 21789#false, 21790#(<= ULTIMATE.start_main_~i~5 0), 21791#(<= ULTIMATE.start_main_~i~5 1), 21792#(<= ULTIMATE.start_main_~i~5 2), 21793#(<= ULTIMATE.start_main_~i~5 3), 21794#(<= ULTIMATE.start_main_~i~5 4), 21795#(<= ULTIMATE.start_main_~i~5 5), 21796#(<= ULTIMATE.start_main_~i~5 6), 21797#(<= ULTIMATE.start_main_~i~5 7), 21798#(<= ULTIMATE.start_main_~i~5 8), 21799#(<= ULTIMATE.start_main_~i~5 9), 21800#(<= ULTIMATE.start_main_~i~5 10), 21801#(<= ULTIMATE.start_main_~i~5 11), 21802#(<= ULTIMATE.start_main_~i~5 12), 21803#(<= ULTIMATE.start_main_~i~5 13), 21804#(<= ULTIMATE.start_main_~i~5 14), 21805#(<= ULTIMATE.start_main_~i~5 15), 21806#(<= ULTIMATE.start_main_~i~5 16), 21807#(<= ULTIMATE.start_main_~i~5 17), 21808#(<= ULTIMATE.start_main_~i~5 18), 21809#(<= ULTIMATE.start_main_~i~5 19), 21810#(<= ULTIMATE.start_main_~i~5 20), 21811#(<= ULTIMATE.start_main_~i~5 21), 21812#(<= ULTIMATE.start_main_~i~5 22), 21813#(<= ULTIMATE.start_main_~i~5 23), 21814#(<= ULTIMATE.start_main_~i~5 24), 21815#(<= ULTIMATE.start_main_~i~5 25), 21816#(<= ULTIMATE.start_main_~i~5 26), 21817#(<= ULTIMATE.start_main_~i~5 27), 21818#(<= ULTIMATE.start_main_~i~5 28), 21819#(<= ULTIMATE.start_main_~i~5 29), 21820#(<= ULTIMATE.start_main_~i~5 30), 21821#(<= ULTIMATE.start_main_~i~5 31), 21822#(<= ULTIMATE.start_main_~i~5 32), 21823#(<= ULTIMATE.start_main_~i~5 33), 21824#(<= ULTIMATE.start_main_~i~5 34), 21825#(<= ULTIMATE.start_main_~i~5 35), 21826#(<= ULTIMATE.start_main_~i~5 36), 21827#(<= ULTIMATE.start_main_~i~5 37), 21828#(<= ULTIMATE.start_main_~i~5 38), 21829#(<= ULTIMATE.start_main_~i~5 39), 21830#(<= ULTIMATE.start_main_~i~5 40), 21831#(<= ULTIMATE.start_main_~i~5 41), 21832#(<= ULTIMATE.start_main_~i~5 42), 21833#(<= ULTIMATE.start_main_~i~5 43), 21834#(<= ULTIMATE.start_main_~i~5 44), 21835#(<= ULTIMATE.start_main_~i~5 45), 21836#(<= ULTIMATE.start_main_~i~5 46), 21837#(<= ULTIMATE.start_main_~i~5 47), 21838#(<= ULTIMATE.start_main_~i~5 48), 21839#(<= ULTIMATE.start_main_~i~5 49), 21840#(<= ULTIMATE.start_main_~i~5 50), 21841#(<= ULTIMATE.start_main_~i~5 51), 21842#(<= ULTIMATE.start_main_~i~5 52), 21843#(<= ULTIMATE.start_main_~i~5 53), 21844#(<= ULTIMATE.start_main_~i~5 54), 21845#(<= ULTIMATE.start_main_~i~5 55), 21846#(<= ULTIMATE.start_main_~i~5 56), 21847#(<= ULTIMATE.start_main_~i~5 57), 21848#(<= ULTIMATE.start_main_~i~5 58), 21849#(<= ULTIMATE.start_main_~i~5 59), 21850#(<= ULTIMATE.start_main_~i~5 60), 21851#(<= ULTIMATE.start_main_~i~5 61), 21852#(<= ULTIMATE.start_main_~i~5 62), 21853#(<= ULTIMATE.start_main_~i~5 63), 21854#(<= ULTIMATE.start_main_~i~5 64), 21855#(<= ULTIMATE.start_main_~i~5 65)] [2018-07-23 13:41:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,126 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:41:04,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:41:04,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:41:04,128 INFO L87 Difference]: Start difference. First operand 137 states and 138 transitions. Second operand 68 states. [2018-07-23 13:41:04,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,216 INFO L93 Difference]: Finished difference Result 143 states and 145 transitions. [2018-07-23 13:41:04,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:41:04,216 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 136 [2018-07-23 13:41:04,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,217 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:41:04,217 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:41:04,218 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 13:41:04,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:41:04,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:41:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:41:04,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 140 transitions. [2018-07-23 13:41:04,226 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 140 transitions. Word has length 136 [2018-07-23 13:41:04,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,226 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 140 transitions. [2018-07-23 13:41:04,226 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:41:04,226 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2018-07-23 13:41:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:41:04,227 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,228 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 1, 1, 1, 1, 1] [2018-07-23 13:41:04,228 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,228 INFO L82 PathProgramCache]: Analyzing trace with hash 131091635, now seen corresponding path program 66 times [2018-07-23 13:41:04,228 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,516 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,516 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:41:04,516 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,516 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 13:41:04,517 INFO L185 omatonBuilderFactory]: Interpolants [22420#true, 22421#false, 22422#(<= ULTIMATE.start_main_~i~5 0), 22423#(<= ULTIMATE.start_main_~i~5 1), 22424#(<= ULTIMATE.start_main_~i~5 2), 22425#(<= ULTIMATE.start_main_~i~5 3), 22426#(<= ULTIMATE.start_main_~i~5 4), 22427#(<= ULTIMATE.start_main_~i~5 5), 22428#(<= ULTIMATE.start_main_~i~5 6), 22429#(<= ULTIMATE.start_main_~i~5 7), 22430#(<= ULTIMATE.start_main_~i~5 8), 22431#(<= ULTIMATE.start_main_~i~5 9), 22432#(<= ULTIMATE.start_main_~i~5 10), 22433#(<= ULTIMATE.start_main_~i~5 11), 22434#(<= ULTIMATE.start_main_~i~5 12), 22435#(<= ULTIMATE.start_main_~i~5 13), 22436#(<= ULTIMATE.start_main_~i~5 14), 22437#(<= ULTIMATE.start_main_~i~5 15), 22438#(<= ULTIMATE.start_main_~i~5 16), 22439#(<= ULTIMATE.start_main_~i~5 17), 22440#(<= ULTIMATE.start_main_~i~5 18), 22441#(<= ULTIMATE.start_main_~i~5 19), 22442#(<= ULTIMATE.start_main_~i~5 20), 22443#(<= ULTIMATE.start_main_~i~5 21), 22444#(<= ULTIMATE.start_main_~i~5 22), 22445#(<= ULTIMATE.start_main_~i~5 23), 22446#(<= ULTIMATE.start_main_~i~5 24), 22447#(<= ULTIMATE.start_main_~i~5 25), 22448#(<= ULTIMATE.start_main_~i~5 26), 22449#(<= ULTIMATE.start_main_~i~5 27), 22450#(<= ULTIMATE.start_main_~i~5 28), 22451#(<= ULTIMATE.start_main_~i~5 29), 22452#(<= ULTIMATE.start_main_~i~5 30), 22453#(<= ULTIMATE.start_main_~i~5 31), 22454#(<= ULTIMATE.start_main_~i~5 32), 22455#(<= ULTIMATE.start_main_~i~5 33), 22456#(<= ULTIMATE.start_main_~i~5 34), 22457#(<= ULTIMATE.start_main_~i~5 35), 22458#(<= ULTIMATE.start_main_~i~5 36), 22459#(<= ULTIMATE.start_main_~i~5 37), 22460#(<= ULTIMATE.start_main_~i~5 38), 22461#(<= ULTIMATE.start_main_~i~5 39), 22462#(<= ULTIMATE.start_main_~i~5 40), 22463#(<= ULTIMATE.start_main_~i~5 41), 22464#(<= ULTIMATE.start_main_~i~5 42), 22465#(<= ULTIMATE.start_main_~i~5 43), 22466#(<= ULTIMATE.start_main_~i~5 44), 22467#(<= ULTIMATE.start_main_~i~5 45), 22468#(<= ULTIMATE.start_main_~i~5 46), 22469#(<= ULTIMATE.start_main_~i~5 47), 22470#(<= ULTIMATE.start_main_~i~5 48), 22471#(<= ULTIMATE.start_main_~i~5 49), 22472#(<= ULTIMATE.start_main_~i~5 50), 22473#(<= ULTIMATE.start_main_~i~5 51), 22474#(<= ULTIMATE.start_main_~i~5 52), 22475#(<= ULTIMATE.start_main_~i~5 53), 22476#(<= ULTIMATE.start_main_~i~5 54), 22477#(<= ULTIMATE.start_main_~i~5 55), 22478#(<= ULTIMATE.start_main_~i~5 56), 22479#(<= ULTIMATE.start_main_~i~5 57), 22480#(<= ULTIMATE.start_main_~i~5 58), 22481#(<= ULTIMATE.start_main_~i~5 59), 22482#(<= ULTIMATE.start_main_~i~5 60), 22483#(<= ULTIMATE.start_main_~i~5 61), 22484#(<= ULTIMATE.start_main_~i~5 62), 22485#(<= ULTIMATE.start_main_~i~5 63), 22486#(<= ULTIMATE.start_main_~i~5 64), 22487#(<= ULTIMATE.start_main_~i~5 65), 22488#(<= ULTIMATE.start_main_~i~5 66)] [2018-07-23 13:41:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,518 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:41:04,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:41:04,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:41:04,520 INFO L87 Difference]: Start difference. First operand 139 states and 140 transitions. Second operand 69 states. [2018-07-23 13:41:04,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,619 INFO L93 Difference]: Finished difference Result 145 states and 147 transitions. [2018-07-23 13:41:04,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:41:04,619 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 138 [2018-07-23 13:41:04,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,620 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:41:04,620 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:41:04,621 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:41:04,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:41:04,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:41:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:41:04,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 142 transitions. [2018-07-23 13:41:04,626 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 142 transitions. Word has length 138 [2018-07-23 13:41:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,627 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 142 transitions. [2018-07-23 13:41:04,627 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:41:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-07-23 13:41:04,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:41:04,628 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,628 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 1, 1, 1, 1, 1] [2018-07-23 13:41:04,629 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1341451439, now seen corresponding path program 67 times [2018-07-23 13:41:04,629 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,912 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,913 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:41:04,913 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,913 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 13:41:04,914 INFO L185 omatonBuilderFactory]: Interpolants [23061#true, 23062#false, 23063#(<= ULTIMATE.start_main_~i~5 0), 23064#(<= ULTIMATE.start_main_~i~5 1), 23065#(<= ULTIMATE.start_main_~i~5 2), 23066#(<= ULTIMATE.start_main_~i~5 3), 23067#(<= ULTIMATE.start_main_~i~5 4), 23068#(<= ULTIMATE.start_main_~i~5 5), 23069#(<= ULTIMATE.start_main_~i~5 6), 23070#(<= ULTIMATE.start_main_~i~5 7), 23071#(<= ULTIMATE.start_main_~i~5 8), 23072#(<= ULTIMATE.start_main_~i~5 9), 23073#(<= ULTIMATE.start_main_~i~5 10), 23074#(<= ULTIMATE.start_main_~i~5 11), 23075#(<= ULTIMATE.start_main_~i~5 12), 23076#(<= ULTIMATE.start_main_~i~5 13), 23077#(<= ULTIMATE.start_main_~i~5 14), 23078#(<= ULTIMATE.start_main_~i~5 15), 23079#(<= ULTIMATE.start_main_~i~5 16), 23080#(<= ULTIMATE.start_main_~i~5 17), 23081#(<= ULTIMATE.start_main_~i~5 18), 23082#(<= ULTIMATE.start_main_~i~5 19), 23083#(<= ULTIMATE.start_main_~i~5 20), 23084#(<= ULTIMATE.start_main_~i~5 21), 23085#(<= ULTIMATE.start_main_~i~5 22), 23086#(<= ULTIMATE.start_main_~i~5 23), 23087#(<= ULTIMATE.start_main_~i~5 24), 23088#(<= ULTIMATE.start_main_~i~5 25), 23089#(<= ULTIMATE.start_main_~i~5 26), 23090#(<= ULTIMATE.start_main_~i~5 27), 23091#(<= ULTIMATE.start_main_~i~5 28), 23092#(<= ULTIMATE.start_main_~i~5 29), 23093#(<= ULTIMATE.start_main_~i~5 30), 23094#(<= ULTIMATE.start_main_~i~5 31), 23095#(<= ULTIMATE.start_main_~i~5 32), 23096#(<= ULTIMATE.start_main_~i~5 33), 23097#(<= ULTIMATE.start_main_~i~5 34), 23098#(<= ULTIMATE.start_main_~i~5 35), 23099#(<= ULTIMATE.start_main_~i~5 36), 23100#(<= ULTIMATE.start_main_~i~5 37), 23101#(<= ULTIMATE.start_main_~i~5 38), 23102#(<= ULTIMATE.start_main_~i~5 39), 23103#(<= ULTIMATE.start_main_~i~5 40), 23104#(<= ULTIMATE.start_main_~i~5 41), 23105#(<= ULTIMATE.start_main_~i~5 42), 23106#(<= ULTIMATE.start_main_~i~5 43), 23107#(<= ULTIMATE.start_main_~i~5 44), 23108#(<= ULTIMATE.start_main_~i~5 45), 23109#(<= ULTIMATE.start_main_~i~5 46), 23110#(<= ULTIMATE.start_main_~i~5 47), 23111#(<= ULTIMATE.start_main_~i~5 48), 23112#(<= ULTIMATE.start_main_~i~5 49), 23113#(<= ULTIMATE.start_main_~i~5 50), 23114#(<= ULTIMATE.start_main_~i~5 51), 23115#(<= ULTIMATE.start_main_~i~5 52), 23116#(<= ULTIMATE.start_main_~i~5 53), 23117#(<= ULTIMATE.start_main_~i~5 54), 23118#(<= ULTIMATE.start_main_~i~5 55), 23119#(<= ULTIMATE.start_main_~i~5 56), 23120#(<= ULTIMATE.start_main_~i~5 57), 23121#(<= ULTIMATE.start_main_~i~5 58), 23122#(<= ULTIMATE.start_main_~i~5 59), 23123#(<= ULTIMATE.start_main_~i~5 60), 23124#(<= ULTIMATE.start_main_~i~5 61), 23125#(<= ULTIMATE.start_main_~i~5 62), 23126#(<= ULTIMATE.start_main_~i~5 63), 23127#(<= ULTIMATE.start_main_~i~5 64), 23128#(<= ULTIMATE.start_main_~i~5 65), 23129#(<= ULTIMATE.start_main_~i~5 66), 23130#(<= ULTIMATE.start_main_~i~5 67)] [2018-07-23 13:41:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,915 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:41:04,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:41:04,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:41:04,916 INFO L87 Difference]: Start difference. First operand 141 states and 142 transitions. Second operand 70 states. [2018-07-23 13:41:05,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,013 INFO L93 Difference]: Finished difference Result 147 states and 149 transitions. [2018-07-23 13:41:05,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:41:05,014 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 140 [2018-07-23 13:41:05,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,015 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:41:05,015 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:41:05,016 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 13:41:05,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:41:05,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:41:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:41:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 144 transitions. [2018-07-23 13:41:05,021 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 144 transitions. Word has length 140 [2018-07-23 13:41:05,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,022 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 144 transitions. [2018-07-23 13:41:05,022 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:41:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2018-07-23 13:41:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:41:05,023 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,023 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 1, 1, 1, 1, 1] [2018-07-23 13:41:05,024 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,024 INFO L82 PathProgramCache]: Analyzing trace with hash 561085867, now seen corresponding path program 68 times [2018-07-23 13:41:05,024 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,306 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,306 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:41:05,306 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,307 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 13:41:05,307 INFO L185 omatonBuilderFactory]: Interpolants [23711#true, 23712#false, 23713#(<= ULTIMATE.start_main_~i~5 0), 23714#(<= ULTIMATE.start_main_~i~5 1), 23715#(<= ULTIMATE.start_main_~i~5 2), 23716#(<= ULTIMATE.start_main_~i~5 3), 23717#(<= ULTIMATE.start_main_~i~5 4), 23718#(<= ULTIMATE.start_main_~i~5 5), 23719#(<= ULTIMATE.start_main_~i~5 6), 23720#(<= ULTIMATE.start_main_~i~5 7), 23721#(<= ULTIMATE.start_main_~i~5 8), 23722#(<= ULTIMATE.start_main_~i~5 9), 23723#(<= ULTIMATE.start_main_~i~5 10), 23724#(<= ULTIMATE.start_main_~i~5 11), 23725#(<= ULTIMATE.start_main_~i~5 12), 23726#(<= ULTIMATE.start_main_~i~5 13), 23727#(<= ULTIMATE.start_main_~i~5 14), 23728#(<= ULTIMATE.start_main_~i~5 15), 23729#(<= ULTIMATE.start_main_~i~5 16), 23730#(<= ULTIMATE.start_main_~i~5 17), 23731#(<= ULTIMATE.start_main_~i~5 18), 23732#(<= ULTIMATE.start_main_~i~5 19), 23733#(<= ULTIMATE.start_main_~i~5 20), 23734#(<= ULTIMATE.start_main_~i~5 21), 23735#(<= ULTIMATE.start_main_~i~5 22), 23736#(<= ULTIMATE.start_main_~i~5 23), 23737#(<= ULTIMATE.start_main_~i~5 24), 23738#(<= ULTIMATE.start_main_~i~5 25), 23739#(<= ULTIMATE.start_main_~i~5 26), 23740#(<= ULTIMATE.start_main_~i~5 27), 23741#(<= ULTIMATE.start_main_~i~5 28), 23742#(<= ULTIMATE.start_main_~i~5 29), 23743#(<= ULTIMATE.start_main_~i~5 30), 23744#(<= ULTIMATE.start_main_~i~5 31), 23745#(<= ULTIMATE.start_main_~i~5 32), 23746#(<= ULTIMATE.start_main_~i~5 33), 23747#(<= ULTIMATE.start_main_~i~5 34), 23748#(<= ULTIMATE.start_main_~i~5 35), 23749#(<= ULTIMATE.start_main_~i~5 36), 23750#(<= ULTIMATE.start_main_~i~5 37), 23751#(<= ULTIMATE.start_main_~i~5 38), 23752#(<= ULTIMATE.start_main_~i~5 39), 23753#(<= ULTIMATE.start_main_~i~5 40), 23754#(<= ULTIMATE.start_main_~i~5 41), 23755#(<= ULTIMATE.start_main_~i~5 42), 23756#(<= ULTIMATE.start_main_~i~5 43), 23757#(<= ULTIMATE.start_main_~i~5 44), 23758#(<= ULTIMATE.start_main_~i~5 45), 23759#(<= ULTIMATE.start_main_~i~5 46), 23760#(<= ULTIMATE.start_main_~i~5 47), 23761#(<= ULTIMATE.start_main_~i~5 48), 23762#(<= ULTIMATE.start_main_~i~5 49), 23763#(<= ULTIMATE.start_main_~i~5 50), 23764#(<= ULTIMATE.start_main_~i~5 51), 23765#(<= ULTIMATE.start_main_~i~5 52), 23766#(<= ULTIMATE.start_main_~i~5 53), 23767#(<= ULTIMATE.start_main_~i~5 54), 23768#(<= ULTIMATE.start_main_~i~5 55), 23769#(<= ULTIMATE.start_main_~i~5 56), 23770#(<= ULTIMATE.start_main_~i~5 57), 23771#(<= ULTIMATE.start_main_~i~5 58), 23772#(<= ULTIMATE.start_main_~i~5 59), 23773#(<= ULTIMATE.start_main_~i~5 60), 23774#(<= ULTIMATE.start_main_~i~5 61), 23775#(<= ULTIMATE.start_main_~i~5 62), 23776#(<= ULTIMATE.start_main_~i~5 63), 23777#(<= ULTIMATE.start_main_~i~5 64), 23778#(<= ULTIMATE.start_main_~i~5 65), 23779#(<= ULTIMATE.start_main_~i~5 66), 23780#(<= ULTIMATE.start_main_~i~5 67), 23781#(<= ULTIMATE.start_main_~i~5 68)] [2018-07-23 13:41:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,308 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:41:05,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:41:05,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:41:05,310 INFO L87 Difference]: Start difference. First operand 143 states and 144 transitions. Second operand 71 states. [2018-07-23 13:41:05,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,417 INFO L93 Difference]: Finished difference Result 149 states and 151 transitions. [2018-07-23 13:41:05,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:41:05,417 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 142 [2018-07-23 13:41:05,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,419 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:41:05,419 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:41:05,420 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 13:41:05,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:41:05,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:41:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:41:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 146 transitions. [2018-07-23 13:41:05,426 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 146 transitions. Word has length 142 [2018-07-23 13:41:05,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,426 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 146 transitions. [2018-07-23 13:41:05,427 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:41:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2018-07-23 13:41:05,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:41:05,428 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,428 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 1, 1, 1, 1, 1] [2018-07-23 13:41:05,428 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,428 INFO L82 PathProgramCache]: Analyzing trace with hash -2045919321, now seen corresponding path program 69 times [2018-07-23 13:41:05,429 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,733 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,733 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:41:05,733 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,733 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 13:41:05,734 INFO L185 omatonBuilderFactory]: Interpolants [24370#true, 24371#false, 24372#(<= ULTIMATE.start_main_~i~5 0), 24373#(<= ULTIMATE.start_main_~i~5 1), 24374#(<= ULTIMATE.start_main_~i~5 2), 24375#(<= ULTIMATE.start_main_~i~5 3), 24376#(<= ULTIMATE.start_main_~i~5 4), 24377#(<= ULTIMATE.start_main_~i~5 5), 24378#(<= ULTIMATE.start_main_~i~5 6), 24379#(<= ULTIMATE.start_main_~i~5 7), 24380#(<= ULTIMATE.start_main_~i~5 8), 24381#(<= ULTIMATE.start_main_~i~5 9), 24382#(<= ULTIMATE.start_main_~i~5 10), 24383#(<= ULTIMATE.start_main_~i~5 11), 24384#(<= ULTIMATE.start_main_~i~5 12), 24385#(<= ULTIMATE.start_main_~i~5 13), 24386#(<= ULTIMATE.start_main_~i~5 14), 24387#(<= ULTIMATE.start_main_~i~5 15), 24388#(<= ULTIMATE.start_main_~i~5 16), 24389#(<= ULTIMATE.start_main_~i~5 17), 24390#(<= ULTIMATE.start_main_~i~5 18), 24391#(<= ULTIMATE.start_main_~i~5 19), 24392#(<= ULTIMATE.start_main_~i~5 20), 24393#(<= ULTIMATE.start_main_~i~5 21), 24394#(<= ULTIMATE.start_main_~i~5 22), 24395#(<= ULTIMATE.start_main_~i~5 23), 24396#(<= ULTIMATE.start_main_~i~5 24), 24397#(<= ULTIMATE.start_main_~i~5 25), 24398#(<= ULTIMATE.start_main_~i~5 26), 24399#(<= ULTIMATE.start_main_~i~5 27), 24400#(<= ULTIMATE.start_main_~i~5 28), 24401#(<= ULTIMATE.start_main_~i~5 29), 24402#(<= ULTIMATE.start_main_~i~5 30), 24403#(<= ULTIMATE.start_main_~i~5 31), 24404#(<= ULTIMATE.start_main_~i~5 32), 24405#(<= ULTIMATE.start_main_~i~5 33), 24406#(<= ULTIMATE.start_main_~i~5 34), 24407#(<= ULTIMATE.start_main_~i~5 35), 24408#(<= ULTIMATE.start_main_~i~5 36), 24409#(<= ULTIMATE.start_main_~i~5 37), 24410#(<= ULTIMATE.start_main_~i~5 38), 24411#(<= ULTIMATE.start_main_~i~5 39), 24412#(<= ULTIMATE.start_main_~i~5 40), 24413#(<= ULTIMATE.start_main_~i~5 41), 24414#(<= ULTIMATE.start_main_~i~5 42), 24415#(<= ULTIMATE.start_main_~i~5 43), 24416#(<= ULTIMATE.start_main_~i~5 44), 24417#(<= ULTIMATE.start_main_~i~5 45), 24418#(<= ULTIMATE.start_main_~i~5 46), 24419#(<= ULTIMATE.start_main_~i~5 47), 24420#(<= ULTIMATE.start_main_~i~5 48), 24421#(<= ULTIMATE.start_main_~i~5 49), 24422#(<= ULTIMATE.start_main_~i~5 50), 24423#(<= ULTIMATE.start_main_~i~5 51), 24424#(<= ULTIMATE.start_main_~i~5 52), 24425#(<= ULTIMATE.start_main_~i~5 53), 24426#(<= ULTIMATE.start_main_~i~5 54), 24427#(<= ULTIMATE.start_main_~i~5 55), 24428#(<= ULTIMATE.start_main_~i~5 56), 24429#(<= ULTIMATE.start_main_~i~5 57), 24430#(<= ULTIMATE.start_main_~i~5 58), 24431#(<= ULTIMATE.start_main_~i~5 59), 24432#(<= ULTIMATE.start_main_~i~5 60), 24433#(<= ULTIMATE.start_main_~i~5 61), 24434#(<= ULTIMATE.start_main_~i~5 62), 24435#(<= ULTIMATE.start_main_~i~5 63), 24436#(<= ULTIMATE.start_main_~i~5 64), 24437#(<= ULTIMATE.start_main_~i~5 65), 24438#(<= ULTIMATE.start_main_~i~5 66), 24439#(<= ULTIMATE.start_main_~i~5 67), 24440#(<= ULTIMATE.start_main_~i~5 68), 24441#(<= ULTIMATE.start_main_~i~5 69)] [2018-07-23 13:41:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,735 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:41:05,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:41:05,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:41:05,736 INFO L87 Difference]: Start difference. First operand 145 states and 146 transitions. Second operand 72 states. [2018-07-23 13:41:05,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,847 INFO L93 Difference]: Finished difference Result 151 states and 153 transitions. [2018-07-23 13:41:05,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:41:05,848 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 144 [2018-07-23 13:41:05,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,849 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:41:05,849 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:41:05,850 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 13:41:05,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:41:05,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:41:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:41:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 148 transitions. [2018-07-23 13:41:05,855 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 148 transitions. Word has length 144 [2018-07-23 13:41:05,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,856 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 148 transitions. [2018-07-23 13:41:05,856 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:41:05,856 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2018-07-23 13:41:05,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:41:05,857 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,857 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 1, 1, 1, 1, 1] [2018-07-23 13:41:05,857 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,858 INFO L82 PathProgramCache]: Analyzing trace with hash 882995875, now seen corresponding path program 70 times [2018-07-23 13:41:05,858 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,189 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:06,189 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:41:06,190 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:06,190 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 13:41:06,190 INFO L185 omatonBuilderFactory]: Interpolants [25088#(<= ULTIMATE.start_main_~i~5 48), 25089#(<= ULTIMATE.start_main_~i~5 49), 25090#(<= ULTIMATE.start_main_~i~5 50), 25091#(<= ULTIMATE.start_main_~i~5 51), 25092#(<= ULTIMATE.start_main_~i~5 52), 25093#(<= ULTIMATE.start_main_~i~5 53), 25094#(<= ULTIMATE.start_main_~i~5 54), 25095#(<= ULTIMATE.start_main_~i~5 55), 25096#(<= ULTIMATE.start_main_~i~5 56), 25097#(<= ULTIMATE.start_main_~i~5 57), 25098#(<= ULTIMATE.start_main_~i~5 58), 25099#(<= ULTIMATE.start_main_~i~5 59), 25100#(<= ULTIMATE.start_main_~i~5 60), 25101#(<= ULTIMATE.start_main_~i~5 61), 25102#(<= ULTIMATE.start_main_~i~5 62), 25103#(<= ULTIMATE.start_main_~i~5 63), 25104#(<= ULTIMATE.start_main_~i~5 64), 25105#(<= ULTIMATE.start_main_~i~5 65), 25106#(<= ULTIMATE.start_main_~i~5 66), 25107#(<= ULTIMATE.start_main_~i~5 67), 25108#(<= ULTIMATE.start_main_~i~5 68), 25109#(<= ULTIMATE.start_main_~i~5 69), 25110#(<= ULTIMATE.start_main_~i~5 70), 25038#true, 25039#false, 25040#(<= ULTIMATE.start_main_~i~5 0), 25041#(<= ULTIMATE.start_main_~i~5 1), 25042#(<= ULTIMATE.start_main_~i~5 2), 25043#(<= ULTIMATE.start_main_~i~5 3), 25044#(<= ULTIMATE.start_main_~i~5 4), 25045#(<= ULTIMATE.start_main_~i~5 5), 25046#(<= ULTIMATE.start_main_~i~5 6), 25047#(<= ULTIMATE.start_main_~i~5 7), 25048#(<= ULTIMATE.start_main_~i~5 8), 25049#(<= ULTIMATE.start_main_~i~5 9), 25050#(<= ULTIMATE.start_main_~i~5 10), 25051#(<= ULTIMATE.start_main_~i~5 11), 25052#(<= ULTIMATE.start_main_~i~5 12), 25053#(<= ULTIMATE.start_main_~i~5 13), 25054#(<= ULTIMATE.start_main_~i~5 14), 25055#(<= ULTIMATE.start_main_~i~5 15), 25056#(<= ULTIMATE.start_main_~i~5 16), 25057#(<= ULTIMATE.start_main_~i~5 17), 25058#(<= ULTIMATE.start_main_~i~5 18), 25059#(<= ULTIMATE.start_main_~i~5 19), 25060#(<= ULTIMATE.start_main_~i~5 20), 25061#(<= ULTIMATE.start_main_~i~5 21), 25062#(<= ULTIMATE.start_main_~i~5 22), 25063#(<= ULTIMATE.start_main_~i~5 23), 25064#(<= ULTIMATE.start_main_~i~5 24), 25065#(<= ULTIMATE.start_main_~i~5 25), 25066#(<= ULTIMATE.start_main_~i~5 26), 25067#(<= ULTIMATE.start_main_~i~5 27), 25068#(<= ULTIMATE.start_main_~i~5 28), 25069#(<= ULTIMATE.start_main_~i~5 29), 25070#(<= ULTIMATE.start_main_~i~5 30), 25071#(<= ULTIMATE.start_main_~i~5 31), 25072#(<= ULTIMATE.start_main_~i~5 32), 25073#(<= ULTIMATE.start_main_~i~5 33), 25074#(<= ULTIMATE.start_main_~i~5 34), 25075#(<= ULTIMATE.start_main_~i~5 35), 25076#(<= ULTIMATE.start_main_~i~5 36), 25077#(<= ULTIMATE.start_main_~i~5 37), 25078#(<= ULTIMATE.start_main_~i~5 38), 25079#(<= ULTIMATE.start_main_~i~5 39), 25080#(<= ULTIMATE.start_main_~i~5 40), 25081#(<= ULTIMATE.start_main_~i~5 41), 25082#(<= ULTIMATE.start_main_~i~5 42), 25083#(<= ULTIMATE.start_main_~i~5 43), 25084#(<= ULTIMATE.start_main_~i~5 44), 25085#(<= ULTIMATE.start_main_~i~5 45), 25086#(<= ULTIMATE.start_main_~i~5 46), 25087#(<= ULTIMATE.start_main_~i~5 47)] [2018-07-23 13:41:06,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,191 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:41:06,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:41:06,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:41:06,193 INFO L87 Difference]: Start difference. First operand 147 states and 148 transitions. Second operand 73 states. [2018-07-23 13:41:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:06,264 INFO L93 Difference]: Finished difference Result 153 states and 155 transitions. [2018-07-23 13:41:06,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:41:06,264 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 146 [2018-07-23 13:41:06,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:06,266 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:41:06,266 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:41:06,267 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:41:06,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:41:06,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:41:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:41:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 150 transitions. [2018-07-23 13:41:06,272 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 150 transitions. Word has length 146 [2018-07-23 13:41:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:06,273 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 150 transitions. [2018-07-23 13:41:06,273 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:41:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-07-23 13:41:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:41:06,275 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:06,275 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 1, 1, 1, 1, 1] [2018-07-23 13:41:06,275 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:06,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1928046945, now seen corresponding path program 71 times [2018-07-23 13:41:06,276 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,680 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:06,680 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:41:06,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:06,681 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 13:41:06,681 INFO L185 omatonBuilderFactory]: Interpolants [25728#(<= ULTIMATE.start_main_~i~5 11), 25729#(<= ULTIMATE.start_main_~i~5 12), 25730#(<= ULTIMATE.start_main_~i~5 13), 25731#(<= ULTIMATE.start_main_~i~5 14), 25732#(<= ULTIMATE.start_main_~i~5 15), 25733#(<= ULTIMATE.start_main_~i~5 16), 25734#(<= ULTIMATE.start_main_~i~5 17), 25735#(<= ULTIMATE.start_main_~i~5 18), 25736#(<= ULTIMATE.start_main_~i~5 19), 25737#(<= ULTIMATE.start_main_~i~5 20), 25738#(<= ULTIMATE.start_main_~i~5 21), 25739#(<= ULTIMATE.start_main_~i~5 22), 25740#(<= ULTIMATE.start_main_~i~5 23), 25741#(<= ULTIMATE.start_main_~i~5 24), 25742#(<= ULTIMATE.start_main_~i~5 25), 25743#(<= ULTIMATE.start_main_~i~5 26), 25744#(<= ULTIMATE.start_main_~i~5 27), 25745#(<= ULTIMATE.start_main_~i~5 28), 25746#(<= ULTIMATE.start_main_~i~5 29), 25747#(<= ULTIMATE.start_main_~i~5 30), 25748#(<= ULTIMATE.start_main_~i~5 31), 25749#(<= ULTIMATE.start_main_~i~5 32), 25750#(<= ULTIMATE.start_main_~i~5 33), 25751#(<= ULTIMATE.start_main_~i~5 34), 25752#(<= ULTIMATE.start_main_~i~5 35), 25753#(<= ULTIMATE.start_main_~i~5 36), 25754#(<= ULTIMATE.start_main_~i~5 37), 25755#(<= ULTIMATE.start_main_~i~5 38), 25756#(<= ULTIMATE.start_main_~i~5 39), 25757#(<= ULTIMATE.start_main_~i~5 40), 25758#(<= ULTIMATE.start_main_~i~5 41), 25759#(<= ULTIMATE.start_main_~i~5 42), 25760#(<= ULTIMATE.start_main_~i~5 43), 25761#(<= ULTIMATE.start_main_~i~5 44), 25762#(<= ULTIMATE.start_main_~i~5 45), 25763#(<= ULTIMATE.start_main_~i~5 46), 25764#(<= ULTIMATE.start_main_~i~5 47), 25765#(<= ULTIMATE.start_main_~i~5 48), 25766#(<= ULTIMATE.start_main_~i~5 49), 25767#(<= ULTIMATE.start_main_~i~5 50), 25768#(<= ULTIMATE.start_main_~i~5 51), 25769#(<= ULTIMATE.start_main_~i~5 52), 25770#(<= ULTIMATE.start_main_~i~5 53), 25771#(<= ULTIMATE.start_main_~i~5 54), 25772#(<= ULTIMATE.start_main_~i~5 55), 25773#(<= ULTIMATE.start_main_~i~5 56), 25774#(<= ULTIMATE.start_main_~i~5 57), 25775#(<= ULTIMATE.start_main_~i~5 58), 25776#(<= ULTIMATE.start_main_~i~5 59), 25777#(<= ULTIMATE.start_main_~i~5 60), 25778#(<= ULTIMATE.start_main_~i~5 61), 25779#(<= ULTIMATE.start_main_~i~5 62), 25780#(<= ULTIMATE.start_main_~i~5 63), 25781#(<= ULTIMATE.start_main_~i~5 64), 25782#(<= ULTIMATE.start_main_~i~5 65), 25783#(<= ULTIMATE.start_main_~i~5 66), 25784#(<= ULTIMATE.start_main_~i~5 67), 25785#(<= ULTIMATE.start_main_~i~5 68), 25786#(<= ULTIMATE.start_main_~i~5 69), 25787#(<= ULTIMATE.start_main_~i~5 70), 25788#(<= ULTIMATE.start_main_~i~5 71), 25715#true, 25716#false, 25717#(<= ULTIMATE.start_main_~i~5 0), 25718#(<= ULTIMATE.start_main_~i~5 1), 25719#(<= ULTIMATE.start_main_~i~5 2), 25720#(<= ULTIMATE.start_main_~i~5 3), 25721#(<= ULTIMATE.start_main_~i~5 4), 25722#(<= ULTIMATE.start_main_~i~5 5), 25723#(<= ULTIMATE.start_main_~i~5 6), 25724#(<= ULTIMATE.start_main_~i~5 7), 25725#(<= ULTIMATE.start_main_~i~5 8), 25726#(<= ULTIMATE.start_main_~i~5 9), 25727#(<= ULTIMATE.start_main_~i~5 10)] [2018-07-23 13:41:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,682 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:41:06,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:41:06,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:41:06,685 INFO L87 Difference]: Start difference. First operand 149 states and 150 transitions. Second operand 74 states. [2018-07-23 13:41:06,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:06,821 INFO L93 Difference]: Finished difference Result 155 states and 157 transitions. [2018-07-23 13:41:06,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:41:06,821 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 148 [2018-07-23 13:41:06,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:06,823 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:41:06,823 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:41:06,824 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:41:06,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:41:06,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:41:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:41:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 152 transitions. [2018-07-23 13:41:06,831 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 152 transitions. Word has length 148 [2018-07-23 13:41:06,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:06,832 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 152 transitions. [2018-07-23 13:41:06,832 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:41:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2018-07-23 13:41:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:41:06,834 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:06,834 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 1, 1, 1, 1, 1] [2018-07-23 13:41:06,834 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:06,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1805767781, now seen corresponding path program 72 times [2018-07-23 13:41:06,835 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,297 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:07,297 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:41:07,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:07,298 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 13:41:07,298 INFO L185 omatonBuilderFactory]: Interpolants [26401#true, 26402#false, 26403#(<= ULTIMATE.start_main_~i~5 0), 26404#(<= ULTIMATE.start_main_~i~5 1), 26405#(<= ULTIMATE.start_main_~i~5 2), 26406#(<= ULTIMATE.start_main_~i~5 3), 26407#(<= ULTIMATE.start_main_~i~5 4), 26408#(<= ULTIMATE.start_main_~i~5 5), 26409#(<= ULTIMATE.start_main_~i~5 6), 26410#(<= ULTIMATE.start_main_~i~5 7), 26411#(<= ULTIMATE.start_main_~i~5 8), 26412#(<= ULTIMATE.start_main_~i~5 9), 26413#(<= ULTIMATE.start_main_~i~5 10), 26414#(<= ULTIMATE.start_main_~i~5 11), 26415#(<= ULTIMATE.start_main_~i~5 12), 26416#(<= ULTIMATE.start_main_~i~5 13), 26417#(<= ULTIMATE.start_main_~i~5 14), 26418#(<= ULTIMATE.start_main_~i~5 15), 26419#(<= ULTIMATE.start_main_~i~5 16), 26420#(<= ULTIMATE.start_main_~i~5 17), 26421#(<= ULTIMATE.start_main_~i~5 18), 26422#(<= ULTIMATE.start_main_~i~5 19), 26423#(<= ULTIMATE.start_main_~i~5 20), 26424#(<= ULTIMATE.start_main_~i~5 21), 26425#(<= ULTIMATE.start_main_~i~5 22), 26426#(<= ULTIMATE.start_main_~i~5 23), 26427#(<= ULTIMATE.start_main_~i~5 24), 26428#(<= ULTIMATE.start_main_~i~5 25), 26429#(<= ULTIMATE.start_main_~i~5 26), 26430#(<= ULTIMATE.start_main_~i~5 27), 26431#(<= ULTIMATE.start_main_~i~5 28), 26432#(<= ULTIMATE.start_main_~i~5 29), 26433#(<= ULTIMATE.start_main_~i~5 30), 26434#(<= ULTIMATE.start_main_~i~5 31), 26435#(<= ULTIMATE.start_main_~i~5 32), 26436#(<= ULTIMATE.start_main_~i~5 33), 26437#(<= ULTIMATE.start_main_~i~5 34), 26438#(<= ULTIMATE.start_main_~i~5 35), 26439#(<= ULTIMATE.start_main_~i~5 36), 26440#(<= ULTIMATE.start_main_~i~5 37), 26441#(<= ULTIMATE.start_main_~i~5 38), 26442#(<= ULTIMATE.start_main_~i~5 39), 26443#(<= ULTIMATE.start_main_~i~5 40), 26444#(<= ULTIMATE.start_main_~i~5 41), 26445#(<= ULTIMATE.start_main_~i~5 42), 26446#(<= ULTIMATE.start_main_~i~5 43), 26447#(<= ULTIMATE.start_main_~i~5 44), 26448#(<= ULTIMATE.start_main_~i~5 45), 26449#(<= ULTIMATE.start_main_~i~5 46), 26450#(<= ULTIMATE.start_main_~i~5 47), 26451#(<= ULTIMATE.start_main_~i~5 48), 26452#(<= ULTIMATE.start_main_~i~5 49), 26453#(<= ULTIMATE.start_main_~i~5 50), 26454#(<= ULTIMATE.start_main_~i~5 51), 26455#(<= ULTIMATE.start_main_~i~5 52), 26456#(<= ULTIMATE.start_main_~i~5 53), 26457#(<= ULTIMATE.start_main_~i~5 54), 26458#(<= ULTIMATE.start_main_~i~5 55), 26459#(<= ULTIMATE.start_main_~i~5 56), 26460#(<= ULTIMATE.start_main_~i~5 57), 26461#(<= ULTIMATE.start_main_~i~5 58), 26462#(<= ULTIMATE.start_main_~i~5 59), 26463#(<= ULTIMATE.start_main_~i~5 60), 26464#(<= ULTIMATE.start_main_~i~5 61), 26465#(<= ULTIMATE.start_main_~i~5 62), 26466#(<= ULTIMATE.start_main_~i~5 63), 26467#(<= ULTIMATE.start_main_~i~5 64), 26468#(<= ULTIMATE.start_main_~i~5 65), 26469#(<= ULTIMATE.start_main_~i~5 66), 26470#(<= ULTIMATE.start_main_~i~5 67), 26471#(<= ULTIMATE.start_main_~i~5 68), 26472#(<= ULTIMATE.start_main_~i~5 69), 26473#(<= ULTIMATE.start_main_~i~5 70), 26474#(<= ULTIMATE.start_main_~i~5 71), 26475#(<= ULTIMATE.start_main_~i~5 72)] [2018-07-23 13:41:07,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,299 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:41:07,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:41:07,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:41:07,300 INFO L87 Difference]: Start difference. First operand 151 states and 152 transitions. Second operand 75 states. [2018-07-23 13:41:07,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:07,424 INFO L93 Difference]: Finished difference Result 157 states and 159 transitions. [2018-07-23 13:41:07,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:41:07,424 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 150 [2018-07-23 13:41:07,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:07,425 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:41:07,425 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:41:07,426 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:41:07,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:41:07,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:41:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:41:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 154 transitions. [2018-07-23 13:41:07,433 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 154 transitions. Word has length 150 [2018-07-23 13:41:07,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:07,433 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 154 transitions. [2018-07-23 13:41:07,433 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:41:07,433 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2018-07-23 13:41:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:41:07,435 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:07,435 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 1, 1, 1, 1, 1] [2018-07-23 13:41:07,435 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:07,435 INFO L82 PathProgramCache]: Analyzing trace with hash -259608169, now seen corresponding path program 73 times [2018-07-23 13:41:07,436 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,758 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:07,758 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:41:07,758 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:07,758 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 13:41:07,759 INFO L185 omatonBuilderFactory]: Interpolants [27136#(<= ULTIMATE.start_main_~i~5 38), 27137#(<= ULTIMATE.start_main_~i~5 39), 27138#(<= ULTIMATE.start_main_~i~5 40), 27139#(<= ULTIMATE.start_main_~i~5 41), 27140#(<= ULTIMATE.start_main_~i~5 42), 27141#(<= ULTIMATE.start_main_~i~5 43), 27142#(<= ULTIMATE.start_main_~i~5 44), 27143#(<= ULTIMATE.start_main_~i~5 45), 27144#(<= ULTIMATE.start_main_~i~5 46), 27145#(<= ULTIMATE.start_main_~i~5 47), 27146#(<= ULTIMATE.start_main_~i~5 48), 27147#(<= ULTIMATE.start_main_~i~5 49), 27148#(<= ULTIMATE.start_main_~i~5 50), 27149#(<= ULTIMATE.start_main_~i~5 51), 27150#(<= ULTIMATE.start_main_~i~5 52), 27151#(<= ULTIMATE.start_main_~i~5 53), 27152#(<= ULTIMATE.start_main_~i~5 54), 27153#(<= ULTIMATE.start_main_~i~5 55), 27154#(<= ULTIMATE.start_main_~i~5 56), 27155#(<= ULTIMATE.start_main_~i~5 57), 27156#(<= ULTIMATE.start_main_~i~5 58), 27157#(<= ULTIMATE.start_main_~i~5 59), 27158#(<= ULTIMATE.start_main_~i~5 60), 27159#(<= ULTIMATE.start_main_~i~5 61), 27160#(<= ULTIMATE.start_main_~i~5 62), 27161#(<= ULTIMATE.start_main_~i~5 63), 27162#(<= ULTIMATE.start_main_~i~5 64), 27163#(<= ULTIMATE.start_main_~i~5 65), 27164#(<= ULTIMATE.start_main_~i~5 66), 27165#(<= ULTIMATE.start_main_~i~5 67), 27166#(<= ULTIMATE.start_main_~i~5 68), 27167#(<= ULTIMATE.start_main_~i~5 69), 27168#(<= ULTIMATE.start_main_~i~5 70), 27169#(<= ULTIMATE.start_main_~i~5 71), 27170#(<= ULTIMATE.start_main_~i~5 72), 27171#(<= ULTIMATE.start_main_~i~5 73), 27096#true, 27097#false, 27098#(<= ULTIMATE.start_main_~i~5 0), 27099#(<= ULTIMATE.start_main_~i~5 1), 27100#(<= ULTIMATE.start_main_~i~5 2), 27101#(<= ULTIMATE.start_main_~i~5 3), 27102#(<= ULTIMATE.start_main_~i~5 4), 27103#(<= ULTIMATE.start_main_~i~5 5), 27104#(<= ULTIMATE.start_main_~i~5 6), 27105#(<= ULTIMATE.start_main_~i~5 7), 27106#(<= ULTIMATE.start_main_~i~5 8), 27107#(<= ULTIMATE.start_main_~i~5 9), 27108#(<= ULTIMATE.start_main_~i~5 10), 27109#(<= ULTIMATE.start_main_~i~5 11), 27110#(<= ULTIMATE.start_main_~i~5 12), 27111#(<= ULTIMATE.start_main_~i~5 13), 27112#(<= ULTIMATE.start_main_~i~5 14), 27113#(<= ULTIMATE.start_main_~i~5 15), 27114#(<= ULTIMATE.start_main_~i~5 16), 27115#(<= ULTIMATE.start_main_~i~5 17), 27116#(<= ULTIMATE.start_main_~i~5 18), 27117#(<= ULTIMATE.start_main_~i~5 19), 27118#(<= ULTIMATE.start_main_~i~5 20), 27119#(<= ULTIMATE.start_main_~i~5 21), 27120#(<= ULTIMATE.start_main_~i~5 22), 27121#(<= ULTIMATE.start_main_~i~5 23), 27122#(<= ULTIMATE.start_main_~i~5 24), 27123#(<= ULTIMATE.start_main_~i~5 25), 27124#(<= ULTIMATE.start_main_~i~5 26), 27125#(<= ULTIMATE.start_main_~i~5 27), 27126#(<= ULTIMATE.start_main_~i~5 28), 27127#(<= ULTIMATE.start_main_~i~5 29), 27128#(<= ULTIMATE.start_main_~i~5 30), 27129#(<= ULTIMATE.start_main_~i~5 31), 27130#(<= ULTIMATE.start_main_~i~5 32), 27131#(<= ULTIMATE.start_main_~i~5 33), 27132#(<= ULTIMATE.start_main_~i~5 34), 27133#(<= ULTIMATE.start_main_~i~5 35), 27134#(<= ULTIMATE.start_main_~i~5 36), 27135#(<= ULTIMATE.start_main_~i~5 37)] [2018-07-23 13:41:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,760 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:41:07,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:41:07,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:41:07,762 INFO L87 Difference]: Start difference. First operand 153 states and 154 transitions. Second operand 76 states. [2018-07-23 13:41:07,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:07,826 INFO L93 Difference]: Finished difference Result 159 states and 161 transitions. [2018-07-23 13:41:07,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:41:07,827 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 152 [2018-07-23 13:41:07,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:07,828 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:41:07,828 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:41:07,829 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 13:41:07,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:41:07,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:41:07,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:41:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 156 transitions. [2018-07-23 13:41:07,834 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 156 transitions. Word has length 152 [2018-07-23 13:41:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:07,835 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 156 transitions. [2018-07-23 13:41:07,835 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:41:07,835 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2018-07-23 13:41:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:41:07,836 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:07,836 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 1, 1, 1, 1, 1] [2018-07-23 13:41:07,837 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:07,837 INFO L82 PathProgramCache]: Analyzing trace with hash -458905453, now seen corresponding path program 74 times [2018-07-23 13:41:07,837 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,157 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:08,158 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:41:08,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:08,158 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 13:41:08,159 INFO L185 omatonBuilderFactory]: Interpolants [27800#true, 27801#false, 27802#(<= ULTIMATE.start_main_~i~5 0), 27803#(<= ULTIMATE.start_main_~i~5 1), 27804#(<= ULTIMATE.start_main_~i~5 2), 27805#(<= ULTIMATE.start_main_~i~5 3), 27806#(<= ULTIMATE.start_main_~i~5 4), 27807#(<= ULTIMATE.start_main_~i~5 5), 27808#(<= ULTIMATE.start_main_~i~5 6), 27809#(<= ULTIMATE.start_main_~i~5 7), 27810#(<= ULTIMATE.start_main_~i~5 8), 27811#(<= ULTIMATE.start_main_~i~5 9), 27812#(<= ULTIMATE.start_main_~i~5 10), 27813#(<= ULTIMATE.start_main_~i~5 11), 27814#(<= ULTIMATE.start_main_~i~5 12), 27815#(<= ULTIMATE.start_main_~i~5 13), 27816#(<= ULTIMATE.start_main_~i~5 14), 27817#(<= ULTIMATE.start_main_~i~5 15), 27818#(<= ULTIMATE.start_main_~i~5 16), 27819#(<= ULTIMATE.start_main_~i~5 17), 27820#(<= ULTIMATE.start_main_~i~5 18), 27821#(<= ULTIMATE.start_main_~i~5 19), 27822#(<= ULTIMATE.start_main_~i~5 20), 27823#(<= ULTIMATE.start_main_~i~5 21), 27824#(<= ULTIMATE.start_main_~i~5 22), 27825#(<= ULTIMATE.start_main_~i~5 23), 27826#(<= ULTIMATE.start_main_~i~5 24), 27827#(<= ULTIMATE.start_main_~i~5 25), 27828#(<= ULTIMATE.start_main_~i~5 26), 27829#(<= ULTIMATE.start_main_~i~5 27), 27830#(<= ULTIMATE.start_main_~i~5 28), 27831#(<= ULTIMATE.start_main_~i~5 29), 27832#(<= ULTIMATE.start_main_~i~5 30), 27833#(<= ULTIMATE.start_main_~i~5 31), 27834#(<= ULTIMATE.start_main_~i~5 32), 27835#(<= ULTIMATE.start_main_~i~5 33), 27836#(<= ULTIMATE.start_main_~i~5 34), 27837#(<= ULTIMATE.start_main_~i~5 35), 27838#(<= ULTIMATE.start_main_~i~5 36), 27839#(<= ULTIMATE.start_main_~i~5 37), 27840#(<= ULTIMATE.start_main_~i~5 38), 27841#(<= ULTIMATE.start_main_~i~5 39), 27842#(<= ULTIMATE.start_main_~i~5 40), 27843#(<= ULTIMATE.start_main_~i~5 41), 27844#(<= ULTIMATE.start_main_~i~5 42), 27845#(<= ULTIMATE.start_main_~i~5 43), 27846#(<= ULTIMATE.start_main_~i~5 44), 27847#(<= ULTIMATE.start_main_~i~5 45), 27848#(<= ULTIMATE.start_main_~i~5 46), 27849#(<= ULTIMATE.start_main_~i~5 47), 27850#(<= ULTIMATE.start_main_~i~5 48), 27851#(<= ULTIMATE.start_main_~i~5 49), 27852#(<= ULTIMATE.start_main_~i~5 50), 27853#(<= ULTIMATE.start_main_~i~5 51), 27854#(<= ULTIMATE.start_main_~i~5 52), 27855#(<= ULTIMATE.start_main_~i~5 53), 27856#(<= ULTIMATE.start_main_~i~5 54), 27857#(<= ULTIMATE.start_main_~i~5 55), 27858#(<= ULTIMATE.start_main_~i~5 56), 27859#(<= ULTIMATE.start_main_~i~5 57), 27860#(<= ULTIMATE.start_main_~i~5 58), 27861#(<= ULTIMATE.start_main_~i~5 59), 27862#(<= ULTIMATE.start_main_~i~5 60), 27863#(<= ULTIMATE.start_main_~i~5 61), 27864#(<= ULTIMATE.start_main_~i~5 62), 27865#(<= ULTIMATE.start_main_~i~5 63), 27866#(<= ULTIMATE.start_main_~i~5 64), 27867#(<= ULTIMATE.start_main_~i~5 65), 27868#(<= ULTIMATE.start_main_~i~5 66), 27869#(<= ULTIMATE.start_main_~i~5 67), 27870#(<= ULTIMATE.start_main_~i~5 68), 27871#(<= ULTIMATE.start_main_~i~5 69), 27872#(<= ULTIMATE.start_main_~i~5 70), 27873#(<= ULTIMATE.start_main_~i~5 71), 27874#(<= ULTIMATE.start_main_~i~5 72), 27875#(<= ULTIMATE.start_main_~i~5 73), 27876#(<= ULTIMATE.start_main_~i~5 74)] [2018-07-23 13:41:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,160 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:41:08,161 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:41:08,162 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:41:08,162 INFO L87 Difference]: Start difference. First operand 155 states and 156 transitions. Second operand 77 states. [2018-07-23 13:41:08,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:08,296 INFO L93 Difference]: Finished difference Result 161 states and 163 transitions. [2018-07-23 13:41:08,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:41:08,296 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 154 [2018-07-23 13:41:08,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:08,298 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:41:08,298 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:41:08,299 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 13:41:08,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:41:08,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:41:08,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:41:08,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 158 transitions. [2018-07-23 13:41:08,306 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 158 transitions. Word has length 154 [2018-07-23 13:41:08,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:08,307 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 158 transitions. [2018-07-23 13:41:08,307 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:41:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 158 transitions. [2018-07-23 13:41:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:41:08,309 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:08,309 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 1, 1, 1, 1, 1] [2018-07-23 13:41:08,309 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:08,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1289932943, now seen corresponding path program 75 times [2018-07-23 13:41:08,310 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,673 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:08,673 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:41:08,673 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:08,673 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 13:41:08,674 INFO L185 omatonBuilderFactory]: Interpolants [28544#(<= ULTIMATE.start_main_~i~5 29), 28545#(<= ULTIMATE.start_main_~i~5 30), 28546#(<= ULTIMATE.start_main_~i~5 31), 28547#(<= ULTIMATE.start_main_~i~5 32), 28548#(<= ULTIMATE.start_main_~i~5 33), 28549#(<= ULTIMATE.start_main_~i~5 34), 28550#(<= ULTIMATE.start_main_~i~5 35), 28551#(<= ULTIMATE.start_main_~i~5 36), 28552#(<= ULTIMATE.start_main_~i~5 37), 28553#(<= ULTIMATE.start_main_~i~5 38), 28554#(<= ULTIMATE.start_main_~i~5 39), 28555#(<= ULTIMATE.start_main_~i~5 40), 28556#(<= ULTIMATE.start_main_~i~5 41), 28557#(<= ULTIMATE.start_main_~i~5 42), 28558#(<= ULTIMATE.start_main_~i~5 43), 28559#(<= ULTIMATE.start_main_~i~5 44), 28560#(<= ULTIMATE.start_main_~i~5 45), 28561#(<= ULTIMATE.start_main_~i~5 46), 28562#(<= ULTIMATE.start_main_~i~5 47), 28563#(<= ULTIMATE.start_main_~i~5 48), 28564#(<= ULTIMATE.start_main_~i~5 49), 28565#(<= ULTIMATE.start_main_~i~5 50), 28566#(<= ULTIMATE.start_main_~i~5 51), 28567#(<= ULTIMATE.start_main_~i~5 52), 28568#(<= ULTIMATE.start_main_~i~5 53), 28569#(<= ULTIMATE.start_main_~i~5 54), 28570#(<= ULTIMATE.start_main_~i~5 55), 28571#(<= ULTIMATE.start_main_~i~5 56), 28572#(<= ULTIMATE.start_main_~i~5 57), 28573#(<= ULTIMATE.start_main_~i~5 58), 28574#(<= ULTIMATE.start_main_~i~5 59), 28575#(<= ULTIMATE.start_main_~i~5 60), 28576#(<= ULTIMATE.start_main_~i~5 61), 28577#(<= ULTIMATE.start_main_~i~5 62), 28578#(<= ULTIMATE.start_main_~i~5 63), 28579#(<= ULTIMATE.start_main_~i~5 64), 28580#(<= ULTIMATE.start_main_~i~5 65), 28581#(<= ULTIMATE.start_main_~i~5 66), 28582#(<= ULTIMATE.start_main_~i~5 67), 28583#(<= ULTIMATE.start_main_~i~5 68), 28584#(<= ULTIMATE.start_main_~i~5 69), 28585#(<= ULTIMATE.start_main_~i~5 70), 28586#(<= ULTIMATE.start_main_~i~5 71), 28587#(<= ULTIMATE.start_main_~i~5 72), 28588#(<= ULTIMATE.start_main_~i~5 73), 28589#(<= ULTIMATE.start_main_~i~5 74), 28590#(<= ULTIMATE.start_main_~i~5 75), 28513#true, 28514#false, 28515#(<= ULTIMATE.start_main_~i~5 0), 28516#(<= ULTIMATE.start_main_~i~5 1), 28517#(<= ULTIMATE.start_main_~i~5 2), 28518#(<= ULTIMATE.start_main_~i~5 3), 28519#(<= ULTIMATE.start_main_~i~5 4), 28520#(<= ULTIMATE.start_main_~i~5 5), 28521#(<= ULTIMATE.start_main_~i~5 6), 28522#(<= ULTIMATE.start_main_~i~5 7), 28523#(<= ULTIMATE.start_main_~i~5 8), 28524#(<= ULTIMATE.start_main_~i~5 9), 28525#(<= ULTIMATE.start_main_~i~5 10), 28526#(<= ULTIMATE.start_main_~i~5 11), 28527#(<= ULTIMATE.start_main_~i~5 12), 28528#(<= ULTIMATE.start_main_~i~5 13), 28529#(<= ULTIMATE.start_main_~i~5 14), 28530#(<= ULTIMATE.start_main_~i~5 15), 28531#(<= ULTIMATE.start_main_~i~5 16), 28532#(<= ULTIMATE.start_main_~i~5 17), 28533#(<= ULTIMATE.start_main_~i~5 18), 28534#(<= ULTIMATE.start_main_~i~5 19), 28535#(<= ULTIMATE.start_main_~i~5 20), 28536#(<= ULTIMATE.start_main_~i~5 21), 28537#(<= ULTIMATE.start_main_~i~5 22), 28538#(<= ULTIMATE.start_main_~i~5 23), 28539#(<= ULTIMATE.start_main_~i~5 24), 28540#(<= ULTIMATE.start_main_~i~5 25), 28541#(<= ULTIMATE.start_main_~i~5 26), 28542#(<= ULTIMATE.start_main_~i~5 27), 28543#(<= ULTIMATE.start_main_~i~5 28)] [2018-07-23 13:41:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,675 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:41:08,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:41:08,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:41:08,677 INFO L87 Difference]: Start difference. First operand 157 states and 158 transitions. Second operand 78 states. [2018-07-23 13:41:08,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:08,770 INFO L93 Difference]: Finished difference Result 163 states and 165 transitions. [2018-07-23 13:41:08,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:41:08,771 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 156 [2018-07-23 13:41:08,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:08,772 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:41:08,772 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:41:08,774 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:41:08,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:41:08,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:41:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:41:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 160 transitions. [2018-07-23 13:41:08,780 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 160 transitions. Word has length 156 [2018-07-23 13:41:08,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:08,781 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 160 transitions. [2018-07-23 13:41:08,781 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:41:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 160 transitions. [2018-07-23 13:41:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:41:08,783 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:08,783 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 1, 1, 1, 1, 1] [2018-07-23 13:41:08,783 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:08,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1703548533, now seen corresponding path program 76 times [2018-07-23 13:41:08,784 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,168 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:09,169 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:41:09,169 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:09,169 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 13:41:09,170 INFO L185 omatonBuilderFactory]: Interpolants [29312#(<= ULTIMATE.start_main_~i~5 75), 29313#(<= ULTIMATE.start_main_~i~5 76), 29235#true, 29236#false, 29237#(<= ULTIMATE.start_main_~i~5 0), 29238#(<= ULTIMATE.start_main_~i~5 1), 29239#(<= ULTIMATE.start_main_~i~5 2), 29240#(<= ULTIMATE.start_main_~i~5 3), 29241#(<= ULTIMATE.start_main_~i~5 4), 29242#(<= ULTIMATE.start_main_~i~5 5), 29243#(<= ULTIMATE.start_main_~i~5 6), 29244#(<= ULTIMATE.start_main_~i~5 7), 29245#(<= ULTIMATE.start_main_~i~5 8), 29246#(<= ULTIMATE.start_main_~i~5 9), 29247#(<= ULTIMATE.start_main_~i~5 10), 29248#(<= ULTIMATE.start_main_~i~5 11), 29249#(<= ULTIMATE.start_main_~i~5 12), 29250#(<= ULTIMATE.start_main_~i~5 13), 29251#(<= ULTIMATE.start_main_~i~5 14), 29252#(<= ULTIMATE.start_main_~i~5 15), 29253#(<= ULTIMATE.start_main_~i~5 16), 29254#(<= ULTIMATE.start_main_~i~5 17), 29255#(<= ULTIMATE.start_main_~i~5 18), 29256#(<= ULTIMATE.start_main_~i~5 19), 29257#(<= ULTIMATE.start_main_~i~5 20), 29258#(<= ULTIMATE.start_main_~i~5 21), 29259#(<= ULTIMATE.start_main_~i~5 22), 29260#(<= ULTIMATE.start_main_~i~5 23), 29261#(<= ULTIMATE.start_main_~i~5 24), 29262#(<= ULTIMATE.start_main_~i~5 25), 29263#(<= ULTIMATE.start_main_~i~5 26), 29264#(<= ULTIMATE.start_main_~i~5 27), 29265#(<= ULTIMATE.start_main_~i~5 28), 29266#(<= ULTIMATE.start_main_~i~5 29), 29267#(<= ULTIMATE.start_main_~i~5 30), 29268#(<= ULTIMATE.start_main_~i~5 31), 29269#(<= ULTIMATE.start_main_~i~5 32), 29270#(<= ULTIMATE.start_main_~i~5 33), 29271#(<= ULTIMATE.start_main_~i~5 34), 29272#(<= ULTIMATE.start_main_~i~5 35), 29273#(<= ULTIMATE.start_main_~i~5 36), 29274#(<= ULTIMATE.start_main_~i~5 37), 29275#(<= ULTIMATE.start_main_~i~5 38), 29276#(<= ULTIMATE.start_main_~i~5 39), 29277#(<= ULTIMATE.start_main_~i~5 40), 29278#(<= ULTIMATE.start_main_~i~5 41), 29279#(<= ULTIMATE.start_main_~i~5 42), 29280#(<= ULTIMATE.start_main_~i~5 43), 29281#(<= ULTIMATE.start_main_~i~5 44), 29282#(<= ULTIMATE.start_main_~i~5 45), 29283#(<= ULTIMATE.start_main_~i~5 46), 29284#(<= ULTIMATE.start_main_~i~5 47), 29285#(<= ULTIMATE.start_main_~i~5 48), 29286#(<= ULTIMATE.start_main_~i~5 49), 29287#(<= ULTIMATE.start_main_~i~5 50), 29288#(<= ULTIMATE.start_main_~i~5 51), 29289#(<= ULTIMATE.start_main_~i~5 52), 29290#(<= ULTIMATE.start_main_~i~5 53), 29291#(<= ULTIMATE.start_main_~i~5 54), 29292#(<= ULTIMATE.start_main_~i~5 55), 29293#(<= ULTIMATE.start_main_~i~5 56), 29294#(<= ULTIMATE.start_main_~i~5 57), 29295#(<= ULTIMATE.start_main_~i~5 58), 29296#(<= ULTIMATE.start_main_~i~5 59), 29297#(<= ULTIMATE.start_main_~i~5 60), 29298#(<= ULTIMATE.start_main_~i~5 61), 29299#(<= ULTIMATE.start_main_~i~5 62), 29300#(<= ULTIMATE.start_main_~i~5 63), 29301#(<= ULTIMATE.start_main_~i~5 64), 29302#(<= ULTIMATE.start_main_~i~5 65), 29303#(<= ULTIMATE.start_main_~i~5 66), 29304#(<= ULTIMATE.start_main_~i~5 67), 29305#(<= ULTIMATE.start_main_~i~5 68), 29306#(<= ULTIMATE.start_main_~i~5 69), 29307#(<= ULTIMATE.start_main_~i~5 70), 29308#(<= ULTIMATE.start_main_~i~5 71), 29309#(<= ULTIMATE.start_main_~i~5 72), 29310#(<= ULTIMATE.start_main_~i~5 73), 29311#(<= ULTIMATE.start_main_~i~5 74)] [2018-07-23 13:41:09,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,171 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:41:09,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:41:09,173 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:41:09,173 INFO L87 Difference]: Start difference. First operand 159 states and 160 transitions. Second operand 79 states. [2018-07-23 13:41:09,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:09,304 INFO L93 Difference]: Finished difference Result 165 states and 167 transitions. [2018-07-23 13:41:09,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:41:09,304 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 158 [2018-07-23 13:41:09,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:09,305 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:41:09,306 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:41:09,307 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:41:09,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:41:09,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:41:09,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:41:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 162 transitions. [2018-07-23 13:41:09,313 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 162 transitions. Word has length 158 [2018-07-23 13:41:09,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:09,313 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 162 transitions. [2018-07-23 13:41:09,313 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:41:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2018-07-23 13:41:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:41:09,316 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:09,316 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 1, 1, 1, 1, 1] [2018-07-23 13:41:09,316 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:09,316 INFO L82 PathProgramCache]: Analyzing trace with hash -811158649, now seen corresponding path program 77 times [2018-07-23 13:41:09,317 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,684 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:09,684 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:41:09,684 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:09,685 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 13:41:09,685 INFO L185 omatonBuilderFactory]: Interpolants [29966#true, 29967#false, 29968#(<= ULTIMATE.start_main_~i~5 0), 29969#(<= ULTIMATE.start_main_~i~5 1), 29970#(<= ULTIMATE.start_main_~i~5 2), 29971#(<= ULTIMATE.start_main_~i~5 3), 29972#(<= ULTIMATE.start_main_~i~5 4), 29973#(<= ULTIMATE.start_main_~i~5 5), 29974#(<= ULTIMATE.start_main_~i~5 6), 29975#(<= ULTIMATE.start_main_~i~5 7), 29976#(<= ULTIMATE.start_main_~i~5 8), 29977#(<= ULTIMATE.start_main_~i~5 9), 29978#(<= ULTIMATE.start_main_~i~5 10), 29979#(<= ULTIMATE.start_main_~i~5 11), 29980#(<= ULTIMATE.start_main_~i~5 12), 29981#(<= ULTIMATE.start_main_~i~5 13), 29982#(<= ULTIMATE.start_main_~i~5 14), 29983#(<= ULTIMATE.start_main_~i~5 15), 29984#(<= ULTIMATE.start_main_~i~5 16), 29985#(<= ULTIMATE.start_main_~i~5 17), 29986#(<= ULTIMATE.start_main_~i~5 18), 29987#(<= ULTIMATE.start_main_~i~5 19), 29988#(<= ULTIMATE.start_main_~i~5 20), 29989#(<= ULTIMATE.start_main_~i~5 21), 29990#(<= ULTIMATE.start_main_~i~5 22), 29991#(<= ULTIMATE.start_main_~i~5 23), 29992#(<= ULTIMATE.start_main_~i~5 24), 29993#(<= ULTIMATE.start_main_~i~5 25), 29994#(<= ULTIMATE.start_main_~i~5 26), 29995#(<= ULTIMATE.start_main_~i~5 27), 29996#(<= ULTIMATE.start_main_~i~5 28), 29997#(<= ULTIMATE.start_main_~i~5 29), 29998#(<= ULTIMATE.start_main_~i~5 30), 29999#(<= ULTIMATE.start_main_~i~5 31), 30000#(<= ULTIMATE.start_main_~i~5 32), 30001#(<= ULTIMATE.start_main_~i~5 33), 30002#(<= ULTIMATE.start_main_~i~5 34), 30003#(<= ULTIMATE.start_main_~i~5 35), 30004#(<= ULTIMATE.start_main_~i~5 36), 30005#(<= ULTIMATE.start_main_~i~5 37), 30006#(<= ULTIMATE.start_main_~i~5 38), 30007#(<= ULTIMATE.start_main_~i~5 39), 30008#(<= ULTIMATE.start_main_~i~5 40), 30009#(<= ULTIMATE.start_main_~i~5 41), 30010#(<= ULTIMATE.start_main_~i~5 42), 30011#(<= ULTIMATE.start_main_~i~5 43), 30012#(<= ULTIMATE.start_main_~i~5 44), 30013#(<= ULTIMATE.start_main_~i~5 45), 30014#(<= ULTIMATE.start_main_~i~5 46), 30015#(<= ULTIMATE.start_main_~i~5 47), 30016#(<= ULTIMATE.start_main_~i~5 48), 30017#(<= ULTIMATE.start_main_~i~5 49), 30018#(<= ULTIMATE.start_main_~i~5 50), 30019#(<= ULTIMATE.start_main_~i~5 51), 30020#(<= ULTIMATE.start_main_~i~5 52), 30021#(<= ULTIMATE.start_main_~i~5 53), 30022#(<= ULTIMATE.start_main_~i~5 54), 30023#(<= ULTIMATE.start_main_~i~5 55), 30024#(<= ULTIMATE.start_main_~i~5 56), 30025#(<= ULTIMATE.start_main_~i~5 57), 30026#(<= ULTIMATE.start_main_~i~5 58), 30027#(<= ULTIMATE.start_main_~i~5 59), 30028#(<= ULTIMATE.start_main_~i~5 60), 30029#(<= ULTIMATE.start_main_~i~5 61), 30030#(<= ULTIMATE.start_main_~i~5 62), 30031#(<= ULTIMATE.start_main_~i~5 63), 30032#(<= ULTIMATE.start_main_~i~5 64), 30033#(<= ULTIMATE.start_main_~i~5 65), 30034#(<= ULTIMATE.start_main_~i~5 66), 30035#(<= ULTIMATE.start_main_~i~5 67), 30036#(<= ULTIMATE.start_main_~i~5 68), 30037#(<= ULTIMATE.start_main_~i~5 69), 30038#(<= ULTIMATE.start_main_~i~5 70), 30039#(<= ULTIMATE.start_main_~i~5 71), 30040#(<= ULTIMATE.start_main_~i~5 72), 30041#(<= ULTIMATE.start_main_~i~5 73), 30042#(<= ULTIMATE.start_main_~i~5 74), 30043#(<= ULTIMATE.start_main_~i~5 75), 30044#(<= ULTIMATE.start_main_~i~5 76), 30045#(<= ULTIMATE.start_main_~i~5 77)] [2018-07-23 13:41:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,686 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:41:09,687 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:41:09,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:41:09,688 INFO L87 Difference]: Start difference. First operand 161 states and 162 transitions. Second operand 80 states. [2018-07-23 13:41:09,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:09,835 INFO L93 Difference]: Finished difference Result 167 states and 169 transitions. [2018-07-23 13:41:09,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:41:09,835 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 160 [2018-07-23 13:41:09,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:09,837 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:41:09,837 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:41:09,838 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:41:09,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:41:09,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:41:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:41:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 164 transitions. [2018-07-23 13:41:09,846 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 164 transitions. Word has length 160 [2018-07-23 13:41:09,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:09,847 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 164 transitions. [2018-07-23 13:41:09,847 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:41:09,847 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 164 transitions. [2018-07-23 13:41:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:41:09,849 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:09,849 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 1, 1, 1, 1, 1] [2018-07-23 13:41:09,849 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:09,849 INFO L82 PathProgramCache]: Analyzing trace with hash 2077027971, now seen corresponding path program 78 times [2018-07-23 13:41:09,849 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,245 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:10,246 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:41:10,246 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:10,246 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 13:41:10,247 INFO L185 omatonBuilderFactory]: Interpolants [30720#(<= ULTIMATE.start_main_~i~5 12), 30721#(<= ULTIMATE.start_main_~i~5 13), 30722#(<= ULTIMATE.start_main_~i~5 14), 30723#(<= ULTIMATE.start_main_~i~5 15), 30724#(<= ULTIMATE.start_main_~i~5 16), 30725#(<= ULTIMATE.start_main_~i~5 17), 30726#(<= ULTIMATE.start_main_~i~5 18), 30727#(<= ULTIMATE.start_main_~i~5 19), 30728#(<= ULTIMATE.start_main_~i~5 20), 30729#(<= ULTIMATE.start_main_~i~5 21), 30730#(<= ULTIMATE.start_main_~i~5 22), 30731#(<= ULTIMATE.start_main_~i~5 23), 30732#(<= ULTIMATE.start_main_~i~5 24), 30733#(<= ULTIMATE.start_main_~i~5 25), 30734#(<= ULTIMATE.start_main_~i~5 26), 30735#(<= ULTIMATE.start_main_~i~5 27), 30736#(<= ULTIMATE.start_main_~i~5 28), 30737#(<= ULTIMATE.start_main_~i~5 29), 30738#(<= ULTIMATE.start_main_~i~5 30), 30739#(<= ULTIMATE.start_main_~i~5 31), 30740#(<= ULTIMATE.start_main_~i~5 32), 30741#(<= ULTIMATE.start_main_~i~5 33), 30742#(<= ULTIMATE.start_main_~i~5 34), 30743#(<= ULTIMATE.start_main_~i~5 35), 30744#(<= ULTIMATE.start_main_~i~5 36), 30745#(<= ULTIMATE.start_main_~i~5 37), 30746#(<= ULTIMATE.start_main_~i~5 38), 30747#(<= ULTIMATE.start_main_~i~5 39), 30748#(<= ULTIMATE.start_main_~i~5 40), 30749#(<= ULTIMATE.start_main_~i~5 41), 30750#(<= ULTIMATE.start_main_~i~5 42), 30751#(<= ULTIMATE.start_main_~i~5 43), 30752#(<= ULTIMATE.start_main_~i~5 44), 30753#(<= ULTIMATE.start_main_~i~5 45), 30754#(<= ULTIMATE.start_main_~i~5 46), 30755#(<= ULTIMATE.start_main_~i~5 47), 30756#(<= ULTIMATE.start_main_~i~5 48), 30757#(<= ULTIMATE.start_main_~i~5 49), 30758#(<= ULTIMATE.start_main_~i~5 50), 30759#(<= ULTIMATE.start_main_~i~5 51), 30760#(<= ULTIMATE.start_main_~i~5 52), 30761#(<= ULTIMATE.start_main_~i~5 53), 30762#(<= ULTIMATE.start_main_~i~5 54), 30763#(<= ULTIMATE.start_main_~i~5 55), 30764#(<= ULTIMATE.start_main_~i~5 56), 30765#(<= ULTIMATE.start_main_~i~5 57), 30766#(<= ULTIMATE.start_main_~i~5 58), 30767#(<= ULTIMATE.start_main_~i~5 59), 30768#(<= ULTIMATE.start_main_~i~5 60), 30769#(<= ULTIMATE.start_main_~i~5 61), 30770#(<= ULTIMATE.start_main_~i~5 62), 30771#(<= ULTIMATE.start_main_~i~5 63), 30772#(<= ULTIMATE.start_main_~i~5 64), 30773#(<= ULTIMATE.start_main_~i~5 65), 30774#(<= ULTIMATE.start_main_~i~5 66), 30775#(<= ULTIMATE.start_main_~i~5 67), 30776#(<= ULTIMATE.start_main_~i~5 68), 30777#(<= ULTIMATE.start_main_~i~5 69), 30778#(<= ULTIMATE.start_main_~i~5 70), 30779#(<= ULTIMATE.start_main_~i~5 71), 30780#(<= ULTIMATE.start_main_~i~5 72), 30781#(<= ULTIMATE.start_main_~i~5 73), 30782#(<= ULTIMATE.start_main_~i~5 74), 30783#(<= ULTIMATE.start_main_~i~5 75), 30784#(<= ULTIMATE.start_main_~i~5 76), 30785#(<= ULTIMATE.start_main_~i~5 77), 30786#(<= ULTIMATE.start_main_~i~5 78), 30706#true, 30707#false, 30708#(<= ULTIMATE.start_main_~i~5 0), 30709#(<= ULTIMATE.start_main_~i~5 1), 30710#(<= ULTIMATE.start_main_~i~5 2), 30711#(<= ULTIMATE.start_main_~i~5 3), 30712#(<= ULTIMATE.start_main_~i~5 4), 30713#(<= ULTIMATE.start_main_~i~5 5), 30714#(<= ULTIMATE.start_main_~i~5 6), 30715#(<= ULTIMATE.start_main_~i~5 7), 30716#(<= ULTIMATE.start_main_~i~5 8), 30717#(<= ULTIMATE.start_main_~i~5 9), 30718#(<= ULTIMATE.start_main_~i~5 10), 30719#(<= ULTIMATE.start_main_~i~5 11)] [2018-07-23 13:41:10,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,248 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:41:10,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:41:10,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:41:10,249 INFO L87 Difference]: Start difference. First operand 163 states and 164 transitions. Second operand 81 states. [2018-07-23 13:41:10,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:10,384 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2018-07-23 13:41:10,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:41:10,384 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 162 [2018-07-23 13:41:10,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:10,386 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:41:10,386 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:41:10,387 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:41:10,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:41:10,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:41:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:41:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 166 transitions. [2018-07-23 13:41:10,392 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 166 transitions. Word has length 162 [2018-07-23 13:41:10,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:10,392 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 166 transitions. [2018-07-23 13:41:10,392 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:41:10,393 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 166 transitions. [2018-07-23 13:41:10,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:41:10,394 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:10,394 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 1, 1, 1, 1, 1] [2018-07-23 13:41:10,395 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:10,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1219470721, now seen corresponding path program 79 times [2018-07-23 13:41:10,395 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,751 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:10,752 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:41:10,752 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:10,752 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 13:41:10,753 INFO L185 omatonBuilderFactory]: Interpolants [31488#(<= ULTIMATE.start_main_~i~5 31), 31489#(<= ULTIMATE.start_main_~i~5 32), 31490#(<= ULTIMATE.start_main_~i~5 33), 31491#(<= ULTIMATE.start_main_~i~5 34), 31492#(<= ULTIMATE.start_main_~i~5 35), 31493#(<= ULTIMATE.start_main_~i~5 36), 31494#(<= ULTIMATE.start_main_~i~5 37), 31495#(<= ULTIMATE.start_main_~i~5 38), 31496#(<= ULTIMATE.start_main_~i~5 39), 31497#(<= ULTIMATE.start_main_~i~5 40), 31498#(<= ULTIMATE.start_main_~i~5 41), 31499#(<= ULTIMATE.start_main_~i~5 42), 31500#(<= ULTIMATE.start_main_~i~5 43), 31501#(<= ULTIMATE.start_main_~i~5 44), 31502#(<= ULTIMATE.start_main_~i~5 45), 31503#(<= ULTIMATE.start_main_~i~5 46), 31504#(<= ULTIMATE.start_main_~i~5 47), 31505#(<= ULTIMATE.start_main_~i~5 48), 31506#(<= ULTIMATE.start_main_~i~5 49), 31507#(<= ULTIMATE.start_main_~i~5 50), 31508#(<= ULTIMATE.start_main_~i~5 51), 31509#(<= ULTIMATE.start_main_~i~5 52), 31510#(<= ULTIMATE.start_main_~i~5 53), 31511#(<= ULTIMATE.start_main_~i~5 54), 31512#(<= ULTIMATE.start_main_~i~5 55), 31513#(<= ULTIMATE.start_main_~i~5 56), 31514#(<= ULTIMATE.start_main_~i~5 57), 31515#(<= ULTIMATE.start_main_~i~5 58), 31516#(<= ULTIMATE.start_main_~i~5 59), 31517#(<= ULTIMATE.start_main_~i~5 60), 31518#(<= ULTIMATE.start_main_~i~5 61), 31519#(<= ULTIMATE.start_main_~i~5 62), 31520#(<= ULTIMATE.start_main_~i~5 63), 31521#(<= ULTIMATE.start_main_~i~5 64), 31522#(<= ULTIMATE.start_main_~i~5 65), 31523#(<= ULTIMATE.start_main_~i~5 66), 31524#(<= ULTIMATE.start_main_~i~5 67), 31525#(<= ULTIMATE.start_main_~i~5 68), 31526#(<= ULTIMATE.start_main_~i~5 69), 31527#(<= ULTIMATE.start_main_~i~5 70), 31528#(<= ULTIMATE.start_main_~i~5 71), 31529#(<= ULTIMATE.start_main_~i~5 72), 31530#(<= ULTIMATE.start_main_~i~5 73), 31531#(<= ULTIMATE.start_main_~i~5 74), 31532#(<= ULTIMATE.start_main_~i~5 75), 31533#(<= ULTIMATE.start_main_~i~5 76), 31534#(<= ULTIMATE.start_main_~i~5 77), 31535#(<= ULTIMATE.start_main_~i~5 78), 31536#(<= ULTIMATE.start_main_~i~5 79), 31455#true, 31456#false, 31457#(<= ULTIMATE.start_main_~i~5 0), 31458#(<= ULTIMATE.start_main_~i~5 1), 31459#(<= ULTIMATE.start_main_~i~5 2), 31460#(<= ULTIMATE.start_main_~i~5 3), 31461#(<= ULTIMATE.start_main_~i~5 4), 31462#(<= ULTIMATE.start_main_~i~5 5), 31463#(<= ULTIMATE.start_main_~i~5 6), 31464#(<= ULTIMATE.start_main_~i~5 7), 31465#(<= ULTIMATE.start_main_~i~5 8), 31466#(<= ULTIMATE.start_main_~i~5 9), 31467#(<= ULTIMATE.start_main_~i~5 10), 31468#(<= ULTIMATE.start_main_~i~5 11), 31469#(<= ULTIMATE.start_main_~i~5 12), 31470#(<= ULTIMATE.start_main_~i~5 13), 31471#(<= ULTIMATE.start_main_~i~5 14), 31472#(<= ULTIMATE.start_main_~i~5 15), 31473#(<= ULTIMATE.start_main_~i~5 16), 31474#(<= ULTIMATE.start_main_~i~5 17), 31475#(<= ULTIMATE.start_main_~i~5 18), 31476#(<= ULTIMATE.start_main_~i~5 19), 31477#(<= ULTIMATE.start_main_~i~5 20), 31478#(<= ULTIMATE.start_main_~i~5 21), 31479#(<= ULTIMATE.start_main_~i~5 22), 31480#(<= ULTIMATE.start_main_~i~5 23), 31481#(<= ULTIMATE.start_main_~i~5 24), 31482#(<= ULTIMATE.start_main_~i~5 25), 31483#(<= ULTIMATE.start_main_~i~5 26), 31484#(<= ULTIMATE.start_main_~i~5 27), 31485#(<= ULTIMATE.start_main_~i~5 28), 31486#(<= ULTIMATE.start_main_~i~5 29), 31487#(<= ULTIMATE.start_main_~i~5 30)] [2018-07-23 13:41:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,754 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:41:10,755 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:41:10,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:41:10,756 INFO L87 Difference]: Start difference. First operand 165 states and 166 transitions. Second operand 82 states. [2018-07-23 13:41:10,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:10,851 INFO L93 Difference]: Finished difference Result 171 states and 173 transitions. [2018-07-23 13:41:10,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:41:10,851 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 164 [2018-07-23 13:41:10,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:10,853 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:41:10,853 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:41:10,854 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:41:10,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:41:10,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:41:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:41:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 168 transitions. [2018-07-23 13:41:10,859 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 168 transitions. Word has length 164 [2018-07-23 13:41:10,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:10,860 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 168 transitions. [2018-07-23 13:41:10,860 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:41:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 168 transitions. [2018-07-23 13:41:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:41:10,861 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:10,862 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 1, 1, 1, 1, 1] [2018-07-23 13:41:10,862 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:10,862 INFO L82 PathProgramCache]: Analyzing trace with hash 531150715, now seen corresponding path program 80 times [2018-07-23 13:41:10,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:11,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,202 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:11,203 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:41:11,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:11,203 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 13:41:11,204 INFO L185 omatonBuilderFactory]: Interpolants [32256#(<= ULTIMATE.start_main_~i~5 41), 32257#(<= ULTIMATE.start_main_~i~5 42), 32258#(<= ULTIMATE.start_main_~i~5 43), 32259#(<= ULTIMATE.start_main_~i~5 44), 32260#(<= ULTIMATE.start_main_~i~5 45), 32261#(<= ULTIMATE.start_main_~i~5 46), 32262#(<= ULTIMATE.start_main_~i~5 47), 32263#(<= ULTIMATE.start_main_~i~5 48), 32264#(<= ULTIMATE.start_main_~i~5 49), 32265#(<= ULTIMATE.start_main_~i~5 50), 32266#(<= ULTIMATE.start_main_~i~5 51), 32267#(<= ULTIMATE.start_main_~i~5 52), 32268#(<= ULTIMATE.start_main_~i~5 53), 32269#(<= ULTIMATE.start_main_~i~5 54), 32270#(<= ULTIMATE.start_main_~i~5 55), 32271#(<= ULTIMATE.start_main_~i~5 56), 32272#(<= ULTIMATE.start_main_~i~5 57), 32273#(<= ULTIMATE.start_main_~i~5 58), 32274#(<= ULTIMATE.start_main_~i~5 59), 32275#(<= ULTIMATE.start_main_~i~5 60), 32276#(<= ULTIMATE.start_main_~i~5 61), 32277#(<= ULTIMATE.start_main_~i~5 62), 32278#(<= ULTIMATE.start_main_~i~5 63), 32279#(<= ULTIMATE.start_main_~i~5 64), 32280#(<= ULTIMATE.start_main_~i~5 65), 32281#(<= ULTIMATE.start_main_~i~5 66), 32282#(<= ULTIMATE.start_main_~i~5 67), 32283#(<= ULTIMATE.start_main_~i~5 68), 32284#(<= ULTIMATE.start_main_~i~5 69), 32285#(<= ULTIMATE.start_main_~i~5 70), 32286#(<= ULTIMATE.start_main_~i~5 71), 32287#(<= ULTIMATE.start_main_~i~5 72), 32288#(<= ULTIMATE.start_main_~i~5 73), 32289#(<= ULTIMATE.start_main_~i~5 74), 32290#(<= ULTIMATE.start_main_~i~5 75), 32291#(<= ULTIMATE.start_main_~i~5 76), 32292#(<= ULTIMATE.start_main_~i~5 77), 32293#(<= ULTIMATE.start_main_~i~5 78), 32294#(<= ULTIMATE.start_main_~i~5 79), 32295#(<= ULTIMATE.start_main_~i~5 80), 32213#true, 32214#false, 32215#(<= ULTIMATE.start_main_~i~5 0), 32216#(<= ULTIMATE.start_main_~i~5 1), 32217#(<= ULTIMATE.start_main_~i~5 2), 32218#(<= ULTIMATE.start_main_~i~5 3), 32219#(<= ULTIMATE.start_main_~i~5 4), 32220#(<= ULTIMATE.start_main_~i~5 5), 32221#(<= ULTIMATE.start_main_~i~5 6), 32222#(<= ULTIMATE.start_main_~i~5 7), 32223#(<= ULTIMATE.start_main_~i~5 8), 32224#(<= ULTIMATE.start_main_~i~5 9), 32225#(<= ULTIMATE.start_main_~i~5 10), 32226#(<= ULTIMATE.start_main_~i~5 11), 32227#(<= ULTIMATE.start_main_~i~5 12), 32228#(<= ULTIMATE.start_main_~i~5 13), 32229#(<= ULTIMATE.start_main_~i~5 14), 32230#(<= ULTIMATE.start_main_~i~5 15), 32231#(<= ULTIMATE.start_main_~i~5 16), 32232#(<= ULTIMATE.start_main_~i~5 17), 32233#(<= ULTIMATE.start_main_~i~5 18), 32234#(<= ULTIMATE.start_main_~i~5 19), 32235#(<= ULTIMATE.start_main_~i~5 20), 32236#(<= ULTIMATE.start_main_~i~5 21), 32237#(<= ULTIMATE.start_main_~i~5 22), 32238#(<= ULTIMATE.start_main_~i~5 23), 32239#(<= ULTIMATE.start_main_~i~5 24), 32240#(<= ULTIMATE.start_main_~i~5 25), 32241#(<= ULTIMATE.start_main_~i~5 26), 32242#(<= ULTIMATE.start_main_~i~5 27), 32243#(<= ULTIMATE.start_main_~i~5 28), 32244#(<= ULTIMATE.start_main_~i~5 29), 32245#(<= ULTIMATE.start_main_~i~5 30), 32246#(<= ULTIMATE.start_main_~i~5 31), 32247#(<= ULTIMATE.start_main_~i~5 32), 32248#(<= ULTIMATE.start_main_~i~5 33), 32249#(<= ULTIMATE.start_main_~i~5 34), 32250#(<= ULTIMATE.start_main_~i~5 35), 32251#(<= ULTIMATE.start_main_~i~5 36), 32252#(<= ULTIMATE.start_main_~i~5 37), 32253#(<= ULTIMATE.start_main_~i~5 38), 32254#(<= ULTIMATE.start_main_~i~5 39), 32255#(<= ULTIMATE.start_main_~i~5 40)] [2018-07-23 13:41:11,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,205 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:41:11,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:41:11,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:41:11,206 INFO L87 Difference]: Start difference. First operand 167 states and 168 transitions. Second operand 83 states. [2018-07-23 13:41:11,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:11,281 INFO L93 Difference]: Finished difference Result 173 states and 175 transitions. [2018-07-23 13:41:11,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:41:11,282 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 166 [2018-07-23 13:41:11,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:11,283 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:41:11,283 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:41:11,284 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 13:41:11,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:41:11,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:41:11,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:41:11,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 170 transitions. [2018-07-23 13:41:11,290 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 170 transitions. Word has length 166 [2018-07-23 13:41:11,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:11,290 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 170 transitions. [2018-07-23 13:41:11,290 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:41:11,290 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2018-07-23 13:41:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:41:11,292 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:11,292 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 1, 1, 1, 1, 1] [2018-07-23 13:41:11,293 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:11,293 INFO L82 PathProgramCache]: Analyzing trace with hash -748829321, now seen corresponding path program 81 times [2018-07-23 13:41:11,293 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,618 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:11,618 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:41:11,618 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:11,619 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 13:41:11,619 INFO L185 omatonBuilderFactory]: Interpolants [33024#(<= ULTIMATE.start_main_~i~5 42), 33025#(<= ULTIMATE.start_main_~i~5 43), 33026#(<= ULTIMATE.start_main_~i~5 44), 33027#(<= ULTIMATE.start_main_~i~5 45), 33028#(<= ULTIMATE.start_main_~i~5 46), 33029#(<= ULTIMATE.start_main_~i~5 47), 33030#(<= ULTIMATE.start_main_~i~5 48), 33031#(<= ULTIMATE.start_main_~i~5 49), 33032#(<= ULTIMATE.start_main_~i~5 50), 33033#(<= ULTIMATE.start_main_~i~5 51), 33034#(<= ULTIMATE.start_main_~i~5 52), 33035#(<= ULTIMATE.start_main_~i~5 53), 33036#(<= ULTIMATE.start_main_~i~5 54), 33037#(<= ULTIMATE.start_main_~i~5 55), 33038#(<= ULTIMATE.start_main_~i~5 56), 33039#(<= ULTIMATE.start_main_~i~5 57), 33040#(<= ULTIMATE.start_main_~i~5 58), 33041#(<= ULTIMATE.start_main_~i~5 59), 33042#(<= ULTIMATE.start_main_~i~5 60), 33043#(<= ULTIMATE.start_main_~i~5 61), 33044#(<= ULTIMATE.start_main_~i~5 62), 33045#(<= ULTIMATE.start_main_~i~5 63), 33046#(<= ULTIMATE.start_main_~i~5 64), 33047#(<= ULTIMATE.start_main_~i~5 65), 33048#(<= ULTIMATE.start_main_~i~5 66), 33049#(<= ULTIMATE.start_main_~i~5 67), 33050#(<= ULTIMATE.start_main_~i~5 68), 33051#(<= ULTIMATE.start_main_~i~5 69), 33052#(<= ULTIMATE.start_main_~i~5 70), 33053#(<= ULTIMATE.start_main_~i~5 71), 33054#(<= ULTIMATE.start_main_~i~5 72), 33055#(<= ULTIMATE.start_main_~i~5 73), 33056#(<= ULTIMATE.start_main_~i~5 74), 33057#(<= ULTIMATE.start_main_~i~5 75), 33058#(<= ULTIMATE.start_main_~i~5 76), 33059#(<= ULTIMATE.start_main_~i~5 77), 33060#(<= ULTIMATE.start_main_~i~5 78), 33061#(<= ULTIMATE.start_main_~i~5 79), 33062#(<= ULTIMATE.start_main_~i~5 80), 33063#(<= ULTIMATE.start_main_~i~5 81), 32980#true, 32981#false, 32982#(<= ULTIMATE.start_main_~i~5 0), 32983#(<= ULTIMATE.start_main_~i~5 1), 32984#(<= ULTIMATE.start_main_~i~5 2), 32985#(<= ULTIMATE.start_main_~i~5 3), 32986#(<= ULTIMATE.start_main_~i~5 4), 32987#(<= ULTIMATE.start_main_~i~5 5), 32988#(<= ULTIMATE.start_main_~i~5 6), 32989#(<= ULTIMATE.start_main_~i~5 7), 32990#(<= ULTIMATE.start_main_~i~5 8), 32991#(<= ULTIMATE.start_main_~i~5 9), 32992#(<= ULTIMATE.start_main_~i~5 10), 32993#(<= ULTIMATE.start_main_~i~5 11), 32994#(<= ULTIMATE.start_main_~i~5 12), 32995#(<= ULTIMATE.start_main_~i~5 13), 32996#(<= ULTIMATE.start_main_~i~5 14), 32997#(<= ULTIMATE.start_main_~i~5 15), 32998#(<= ULTIMATE.start_main_~i~5 16), 32999#(<= ULTIMATE.start_main_~i~5 17), 33000#(<= ULTIMATE.start_main_~i~5 18), 33001#(<= ULTIMATE.start_main_~i~5 19), 33002#(<= ULTIMATE.start_main_~i~5 20), 33003#(<= ULTIMATE.start_main_~i~5 21), 33004#(<= ULTIMATE.start_main_~i~5 22), 33005#(<= ULTIMATE.start_main_~i~5 23), 33006#(<= ULTIMATE.start_main_~i~5 24), 33007#(<= ULTIMATE.start_main_~i~5 25), 33008#(<= ULTIMATE.start_main_~i~5 26), 33009#(<= ULTIMATE.start_main_~i~5 27), 33010#(<= ULTIMATE.start_main_~i~5 28), 33011#(<= ULTIMATE.start_main_~i~5 29), 33012#(<= ULTIMATE.start_main_~i~5 30), 33013#(<= ULTIMATE.start_main_~i~5 31), 33014#(<= ULTIMATE.start_main_~i~5 32), 33015#(<= ULTIMATE.start_main_~i~5 33), 33016#(<= ULTIMATE.start_main_~i~5 34), 33017#(<= ULTIMATE.start_main_~i~5 35), 33018#(<= ULTIMATE.start_main_~i~5 36), 33019#(<= ULTIMATE.start_main_~i~5 37), 33020#(<= ULTIMATE.start_main_~i~5 38), 33021#(<= ULTIMATE.start_main_~i~5 39), 33022#(<= ULTIMATE.start_main_~i~5 40), 33023#(<= ULTIMATE.start_main_~i~5 41)] [2018-07-23 13:41:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,620 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:41:11,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:41:11,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:41:11,622 INFO L87 Difference]: Start difference. First operand 169 states and 170 transitions. Second operand 84 states. [2018-07-23 13:41:11,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:11,697 INFO L93 Difference]: Finished difference Result 175 states and 177 transitions. [2018-07-23 13:41:11,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:41:11,697 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 168 [2018-07-23 13:41:11,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:11,699 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:41:11,699 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:41:11,700 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:41:11,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:41:11,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:41:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:41:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 172 transitions. [2018-07-23 13:41:11,705 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 172 transitions. Word has length 168 [2018-07-23 13:41:11,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:11,705 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 172 transitions. [2018-07-23 13:41:11,705 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:41:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 172 transitions. [2018-07-23 13:41:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:41:11,707 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:11,707 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 1, 1, 1, 1, 1] [2018-07-23 13:41:11,707 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:11,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1845970035, now seen corresponding path program 82 times [2018-07-23 13:41:11,708 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:12,081 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:12,081 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:41:12,082 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:12,082 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 13:41:12,082 INFO L185 omatonBuilderFactory]: Interpolants [33792#(<= ULTIMATE.start_main_~i~5 34), 33793#(<= ULTIMATE.start_main_~i~5 35), 33794#(<= ULTIMATE.start_main_~i~5 36), 33795#(<= ULTIMATE.start_main_~i~5 37), 33796#(<= ULTIMATE.start_main_~i~5 38), 33797#(<= ULTIMATE.start_main_~i~5 39), 33798#(<= ULTIMATE.start_main_~i~5 40), 33799#(<= ULTIMATE.start_main_~i~5 41), 33800#(<= ULTIMATE.start_main_~i~5 42), 33801#(<= ULTIMATE.start_main_~i~5 43), 33802#(<= ULTIMATE.start_main_~i~5 44), 33803#(<= ULTIMATE.start_main_~i~5 45), 33804#(<= ULTIMATE.start_main_~i~5 46), 33805#(<= ULTIMATE.start_main_~i~5 47), 33806#(<= ULTIMATE.start_main_~i~5 48), 33807#(<= ULTIMATE.start_main_~i~5 49), 33808#(<= ULTIMATE.start_main_~i~5 50), 33809#(<= ULTIMATE.start_main_~i~5 51), 33810#(<= ULTIMATE.start_main_~i~5 52), 33811#(<= ULTIMATE.start_main_~i~5 53), 33812#(<= ULTIMATE.start_main_~i~5 54), 33813#(<= ULTIMATE.start_main_~i~5 55), 33814#(<= ULTIMATE.start_main_~i~5 56), 33815#(<= ULTIMATE.start_main_~i~5 57), 33816#(<= ULTIMATE.start_main_~i~5 58), 33817#(<= ULTIMATE.start_main_~i~5 59), 33818#(<= ULTIMATE.start_main_~i~5 60), 33819#(<= ULTIMATE.start_main_~i~5 61), 33820#(<= ULTIMATE.start_main_~i~5 62), 33821#(<= ULTIMATE.start_main_~i~5 63), 33822#(<= ULTIMATE.start_main_~i~5 64), 33823#(<= ULTIMATE.start_main_~i~5 65), 33824#(<= ULTIMATE.start_main_~i~5 66), 33825#(<= ULTIMATE.start_main_~i~5 67), 33826#(<= ULTIMATE.start_main_~i~5 68), 33827#(<= ULTIMATE.start_main_~i~5 69), 33828#(<= ULTIMATE.start_main_~i~5 70), 33829#(<= ULTIMATE.start_main_~i~5 71), 33830#(<= ULTIMATE.start_main_~i~5 72), 33831#(<= ULTIMATE.start_main_~i~5 73), 33832#(<= ULTIMATE.start_main_~i~5 74), 33833#(<= ULTIMATE.start_main_~i~5 75), 33834#(<= ULTIMATE.start_main_~i~5 76), 33835#(<= ULTIMATE.start_main_~i~5 77), 33836#(<= ULTIMATE.start_main_~i~5 78), 33837#(<= ULTIMATE.start_main_~i~5 79), 33838#(<= ULTIMATE.start_main_~i~5 80), 33839#(<= ULTIMATE.start_main_~i~5 81), 33840#(<= ULTIMATE.start_main_~i~5 82), 33756#true, 33757#false, 33758#(<= ULTIMATE.start_main_~i~5 0), 33759#(<= ULTIMATE.start_main_~i~5 1), 33760#(<= ULTIMATE.start_main_~i~5 2), 33761#(<= ULTIMATE.start_main_~i~5 3), 33762#(<= ULTIMATE.start_main_~i~5 4), 33763#(<= ULTIMATE.start_main_~i~5 5), 33764#(<= ULTIMATE.start_main_~i~5 6), 33765#(<= ULTIMATE.start_main_~i~5 7), 33766#(<= ULTIMATE.start_main_~i~5 8), 33767#(<= ULTIMATE.start_main_~i~5 9), 33768#(<= ULTIMATE.start_main_~i~5 10), 33769#(<= ULTIMATE.start_main_~i~5 11), 33770#(<= ULTIMATE.start_main_~i~5 12), 33771#(<= ULTIMATE.start_main_~i~5 13), 33772#(<= ULTIMATE.start_main_~i~5 14), 33773#(<= ULTIMATE.start_main_~i~5 15), 33774#(<= ULTIMATE.start_main_~i~5 16), 33775#(<= ULTIMATE.start_main_~i~5 17), 33776#(<= ULTIMATE.start_main_~i~5 18), 33777#(<= ULTIMATE.start_main_~i~5 19), 33778#(<= ULTIMATE.start_main_~i~5 20), 33779#(<= ULTIMATE.start_main_~i~5 21), 33780#(<= ULTIMATE.start_main_~i~5 22), 33781#(<= ULTIMATE.start_main_~i~5 23), 33782#(<= ULTIMATE.start_main_~i~5 24), 33783#(<= ULTIMATE.start_main_~i~5 25), 33784#(<= ULTIMATE.start_main_~i~5 26), 33785#(<= ULTIMATE.start_main_~i~5 27), 33786#(<= ULTIMATE.start_main_~i~5 28), 33787#(<= ULTIMATE.start_main_~i~5 29), 33788#(<= ULTIMATE.start_main_~i~5 30), 33789#(<= ULTIMATE.start_main_~i~5 31), 33790#(<= ULTIMATE.start_main_~i~5 32), 33791#(<= ULTIMATE.start_main_~i~5 33)] [2018-07-23 13:41:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:12,083 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:41:12,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:41:12,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:41:12,084 INFO L87 Difference]: Start difference. First operand 171 states and 172 transitions. Second operand 85 states. [2018-07-23 13:41:12,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:12,177 INFO L93 Difference]: Finished difference Result 177 states and 179 transitions. [2018-07-23 13:41:12,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:41:12,177 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 170 [2018-07-23 13:41:12,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:12,178 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:41:12,179 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:41:12,179 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 13:41:12,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:41:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:41:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:41:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 174 transitions. [2018-07-23 13:41:12,185 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 174 transitions. Word has length 170 [2018-07-23 13:41:12,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:12,185 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 174 transitions. [2018-07-23 13:41:12,185 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:41:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 174 transitions. [2018-07-23 13:41:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:41:12,187 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:12,187 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 1, 1, 1, 1, 1] [2018-07-23 13:41:12,187 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:12,187 INFO L82 PathProgramCache]: Analyzing trace with hash 72152175, now seen corresponding path program 83 times [2018-07-23 13:41:12,188 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:12,610 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:12,611 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:41:12,611 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:12,611 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 13:41:12,612 INFO L185 omatonBuilderFactory]: Interpolants [34560#(<= ULTIMATE.start_main_~i~5 17), 34561#(<= ULTIMATE.start_main_~i~5 18), 34562#(<= ULTIMATE.start_main_~i~5 19), 34563#(<= ULTIMATE.start_main_~i~5 20), 34564#(<= ULTIMATE.start_main_~i~5 21), 34565#(<= ULTIMATE.start_main_~i~5 22), 34566#(<= ULTIMATE.start_main_~i~5 23), 34567#(<= ULTIMATE.start_main_~i~5 24), 34568#(<= ULTIMATE.start_main_~i~5 25), 34569#(<= ULTIMATE.start_main_~i~5 26), 34570#(<= ULTIMATE.start_main_~i~5 27), 34571#(<= ULTIMATE.start_main_~i~5 28), 34572#(<= ULTIMATE.start_main_~i~5 29), 34573#(<= ULTIMATE.start_main_~i~5 30), 34574#(<= ULTIMATE.start_main_~i~5 31), 34575#(<= ULTIMATE.start_main_~i~5 32), 34576#(<= ULTIMATE.start_main_~i~5 33), 34577#(<= ULTIMATE.start_main_~i~5 34), 34578#(<= ULTIMATE.start_main_~i~5 35), 34579#(<= ULTIMATE.start_main_~i~5 36), 34580#(<= ULTIMATE.start_main_~i~5 37), 34581#(<= ULTIMATE.start_main_~i~5 38), 34582#(<= ULTIMATE.start_main_~i~5 39), 34583#(<= ULTIMATE.start_main_~i~5 40), 34584#(<= ULTIMATE.start_main_~i~5 41), 34585#(<= ULTIMATE.start_main_~i~5 42), 34586#(<= ULTIMATE.start_main_~i~5 43), 34587#(<= ULTIMATE.start_main_~i~5 44), 34588#(<= ULTIMATE.start_main_~i~5 45), 34589#(<= ULTIMATE.start_main_~i~5 46), 34590#(<= ULTIMATE.start_main_~i~5 47), 34591#(<= ULTIMATE.start_main_~i~5 48), 34592#(<= ULTIMATE.start_main_~i~5 49), 34593#(<= ULTIMATE.start_main_~i~5 50), 34594#(<= ULTIMATE.start_main_~i~5 51), 34595#(<= ULTIMATE.start_main_~i~5 52), 34596#(<= ULTIMATE.start_main_~i~5 53), 34597#(<= ULTIMATE.start_main_~i~5 54), 34598#(<= ULTIMATE.start_main_~i~5 55), 34599#(<= ULTIMATE.start_main_~i~5 56), 34600#(<= ULTIMATE.start_main_~i~5 57), 34601#(<= ULTIMATE.start_main_~i~5 58), 34602#(<= ULTIMATE.start_main_~i~5 59), 34603#(<= ULTIMATE.start_main_~i~5 60), 34604#(<= ULTIMATE.start_main_~i~5 61), 34605#(<= ULTIMATE.start_main_~i~5 62), 34606#(<= ULTIMATE.start_main_~i~5 63), 34607#(<= ULTIMATE.start_main_~i~5 64), 34608#(<= ULTIMATE.start_main_~i~5 65), 34609#(<= ULTIMATE.start_main_~i~5 66), 34610#(<= ULTIMATE.start_main_~i~5 67), 34611#(<= ULTIMATE.start_main_~i~5 68), 34612#(<= ULTIMATE.start_main_~i~5 69), 34613#(<= ULTIMATE.start_main_~i~5 70), 34614#(<= ULTIMATE.start_main_~i~5 71), 34615#(<= ULTIMATE.start_main_~i~5 72), 34616#(<= ULTIMATE.start_main_~i~5 73), 34617#(<= ULTIMATE.start_main_~i~5 74), 34618#(<= ULTIMATE.start_main_~i~5 75), 34619#(<= ULTIMATE.start_main_~i~5 76), 34620#(<= ULTIMATE.start_main_~i~5 77), 34621#(<= ULTIMATE.start_main_~i~5 78), 34622#(<= ULTIMATE.start_main_~i~5 79), 34623#(<= ULTIMATE.start_main_~i~5 80), 34624#(<= ULTIMATE.start_main_~i~5 81), 34625#(<= ULTIMATE.start_main_~i~5 82), 34626#(<= ULTIMATE.start_main_~i~5 83), 34541#true, 34542#false, 34543#(<= ULTIMATE.start_main_~i~5 0), 34544#(<= ULTIMATE.start_main_~i~5 1), 34545#(<= ULTIMATE.start_main_~i~5 2), 34546#(<= ULTIMATE.start_main_~i~5 3), 34547#(<= ULTIMATE.start_main_~i~5 4), 34548#(<= ULTIMATE.start_main_~i~5 5), 34549#(<= ULTIMATE.start_main_~i~5 6), 34550#(<= ULTIMATE.start_main_~i~5 7), 34551#(<= ULTIMATE.start_main_~i~5 8), 34552#(<= ULTIMATE.start_main_~i~5 9), 34553#(<= ULTIMATE.start_main_~i~5 10), 34554#(<= ULTIMATE.start_main_~i~5 11), 34555#(<= ULTIMATE.start_main_~i~5 12), 34556#(<= ULTIMATE.start_main_~i~5 13), 34557#(<= ULTIMATE.start_main_~i~5 14), 34558#(<= ULTIMATE.start_main_~i~5 15), 34559#(<= ULTIMATE.start_main_~i~5 16)] [2018-07-23 13:41:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:12,613 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:41:12,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:41:12,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:41:12,614 INFO L87 Difference]: Start difference. First operand 173 states and 174 transitions. Second operand 86 states. [2018-07-23 13:41:12,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:12,760 INFO L93 Difference]: Finished difference Result 179 states and 181 transitions. [2018-07-23 13:41:12,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:41:12,760 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 172 [2018-07-23 13:41:12,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:12,762 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:41:12,762 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:41:12,763 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:41:12,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:41:12,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:41:12,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:41:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 176 transitions. [2018-07-23 13:41:12,769 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 176 transitions. Word has length 172 [2018-07-23 13:41:12,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:12,770 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 176 transitions. [2018-07-23 13:41:12,770 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:41:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 176 transitions. [2018-07-23 13:41:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:41:12,772 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:12,772 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 1, 1, 1, 1, 1] [2018-07-23 13:41:12,772 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:12,773 INFO L82 PathProgramCache]: Analyzing trace with hash 535205227, now seen corresponding path program 84 times [2018-07-23 13:41:12,773 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:13,365 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 13:41:13,365 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:13,366 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:41:13,366 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:13,366 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 13:41:13,367 INFO L185 omatonBuilderFactory]: Interpolants [35335#true, 35336#false, 35337#(<= ULTIMATE.start_main_~i~5 0), 35338#(<= ULTIMATE.start_main_~i~5 1), 35339#(<= ULTIMATE.start_main_~i~5 2), 35340#(<= ULTIMATE.start_main_~i~5 3), 35341#(<= ULTIMATE.start_main_~i~5 4), 35342#(<= ULTIMATE.start_main_~i~5 5), 35343#(<= ULTIMATE.start_main_~i~5 6), 35344#(<= ULTIMATE.start_main_~i~5 7), 35345#(<= ULTIMATE.start_main_~i~5 8), 35346#(<= ULTIMATE.start_main_~i~5 9), 35347#(<= ULTIMATE.start_main_~i~5 10), 35348#(<= ULTIMATE.start_main_~i~5 11), 35349#(<= ULTIMATE.start_main_~i~5 12), 35350#(<= ULTIMATE.start_main_~i~5 13), 35351#(<= ULTIMATE.start_main_~i~5 14), 35352#(<= ULTIMATE.start_main_~i~5 15), 35353#(<= ULTIMATE.start_main_~i~5 16), 35354#(<= ULTIMATE.start_main_~i~5 17), 35355#(<= ULTIMATE.start_main_~i~5 18), 35356#(<= ULTIMATE.start_main_~i~5 19), 35357#(<= ULTIMATE.start_main_~i~5 20), 35358#(<= ULTIMATE.start_main_~i~5 21), 35359#(<= ULTIMATE.start_main_~i~5 22), 35360#(<= ULTIMATE.start_main_~i~5 23), 35361#(<= ULTIMATE.start_main_~i~5 24), 35362#(<= ULTIMATE.start_main_~i~5 25), 35363#(<= ULTIMATE.start_main_~i~5 26), 35364#(<= ULTIMATE.start_main_~i~5 27), 35365#(<= ULTIMATE.start_main_~i~5 28), 35366#(<= ULTIMATE.start_main_~i~5 29), 35367#(<= ULTIMATE.start_main_~i~5 30), 35368#(<= ULTIMATE.start_main_~i~5 31), 35369#(<= ULTIMATE.start_main_~i~5 32), 35370#(<= ULTIMATE.start_main_~i~5 33), 35371#(<= ULTIMATE.start_main_~i~5 34), 35372#(<= ULTIMATE.start_main_~i~5 35), 35373#(<= ULTIMATE.start_main_~i~5 36), 35374#(<= ULTIMATE.start_main_~i~5 37), 35375#(<= ULTIMATE.start_main_~i~5 38), 35376#(<= ULTIMATE.start_main_~i~5 39), 35377#(<= ULTIMATE.start_main_~i~5 40), 35378#(<= ULTIMATE.start_main_~i~5 41), 35379#(<= ULTIMATE.start_main_~i~5 42), 35380#(<= ULTIMATE.start_main_~i~5 43), 35381#(<= ULTIMATE.start_main_~i~5 44), 35382#(<= ULTIMATE.start_main_~i~5 45), 35383#(<= ULTIMATE.start_main_~i~5 46), 35384#(<= ULTIMATE.start_main_~i~5 47), 35385#(<= ULTIMATE.start_main_~i~5 48), 35386#(<= ULTIMATE.start_main_~i~5 49), 35387#(<= ULTIMATE.start_main_~i~5 50), 35388#(<= ULTIMATE.start_main_~i~5 51), 35389#(<= ULTIMATE.start_main_~i~5 52), 35390#(<= ULTIMATE.start_main_~i~5 53), 35391#(<= ULTIMATE.start_main_~i~5 54), 35392#(<= ULTIMATE.start_main_~i~5 55), 35393#(<= ULTIMATE.start_main_~i~5 56), 35394#(<= ULTIMATE.start_main_~i~5 57), 35395#(<= ULTIMATE.start_main_~i~5 58), 35396#(<= ULTIMATE.start_main_~i~5 59), 35397#(<= ULTIMATE.start_main_~i~5 60), 35398#(<= ULTIMATE.start_main_~i~5 61), 35399#(<= ULTIMATE.start_main_~i~5 62), 35400#(<= ULTIMATE.start_main_~i~5 63), 35401#(<= ULTIMATE.start_main_~i~5 64), 35402#(<= ULTIMATE.start_main_~i~5 65), 35403#(<= ULTIMATE.start_main_~i~5 66), 35404#(<= ULTIMATE.start_main_~i~5 67), 35405#(<= ULTIMATE.start_main_~i~5 68), 35406#(<= ULTIMATE.start_main_~i~5 69), 35407#(<= ULTIMATE.start_main_~i~5 70), 35408#(<= ULTIMATE.start_main_~i~5 71), 35409#(<= ULTIMATE.start_main_~i~5 72), 35410#(<= ULTIMATE.start_main_~i~5 73), 35411#(<= ULTIMATE.start_main_~i~5 74), 35412#(<= ULTIMATE.start_main_~i~5 75), 35413#(<= ULTIMATE.start_main_~i~5 76), 35414#(<= ULTIMATE.start_main_~i~5 77), 35415#(<= ULTIMATE.start_main_~i~5 78), 35416#(<= ULTIMATE.start_main_~i~5 79), 35417#(<= ULTIMATE.start_main_~i~5 80), 35418#(<= ULTIMATE.start_main_~i~5 81), 35419#(<= ULTIMATE.start_main_~i~5 82), 35420#(<= ULTIMATE.start_main_~i~5 83), 35421#(<= ULTIMATE.start_main_~i~5 84)] [2018-07-23 13:41:13,368 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 13:41:13,368 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:41:13,369 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:41:13,369 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:41:13,370 INFO L87 Difference]: Start difference. First operand 175 states and 176 transitions. Second operand 87 states. [2018-07-23 13:41:13,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:13,580 INFO L93 Difference]: Finished difference Result 181 states and 183 transitions. [2018-07-23 13:41:13,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:41:13,580 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 174 [2018-07-23 13:41:13,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:13,582 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:41:13,582 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:41:13,582 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:41:13,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:41:13,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:41:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:41:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 178 transitions. [2018-07-23 13:41:13,589 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 178 transitions. Word has length 174 [2018-07-23 13:41:13,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:13,590 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 178 transitions. [2018-07-23 13:41:13,590 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:41:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 178 transitions. [2018-07-23 13:41:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:41:13,594 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:13,594 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 1, 1, 1, 1, 1] [2018-07-23 13:41:13,594 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:13,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1147410585, now seen corresponding path program 85 times [2018-07-23 13:41:13,595 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,013 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:14,013 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:41:14,013 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:14,014 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 13:41:14,014 INFO L185 omatonBuilderFactory]: Interpolants [36224#(<= ULTIMATE.start_main_~i~5 84), 36225#(<= ULTIMATE.start_main_~i~5 85), 36138#true, 36139#false, 36140#(<= ULTIMATE.start_main_~i~5 0), 36141#(<= ULTIMATE.start_main_~i~5 1), 36142#(<= ULTIMATE.start_main_~i~5 2), 36143#(<= ULTIMATE.start_main_~i~5 3), 36144#(<= ULTIMATE.start_main_~i~5 4), 36145#(<= ULTIMATE.start_main_~i~5 5), 36146#(<= ULTIMATE.start_main_~i~5 6), 36147#(<= ULTIMATE.start_main_~i~5 7), 36148#(<= ULTIMATE.start_main_~i~5 8), 36149#(<= ULTIMATE.start_main_~i~5 9), 36150#(<= ULTIMATE.start_main_~i~5 10), 36151#(<= ULTIMATE.start_main_~i~5 11), 36152#(<= ULTIMATE.start_main_~i~5 12), 36153#(<= ULTIMATE.start_main_~i~5 13), 36154#(<= ULTIMATE.start_main_~i~5 14), 36155#(<= ULTIMATE.start_main_~i~5 15), 36156#(<= ULTIMATE.start_main_~i~5 16), 36157#(<= ULTIMATE.start_main_~i~5 17), 36158#(<= ULTIMATE.start_main_~i~5 18), 36159#(<= ULTIMATE.start_main_~i~5 19), 36160#(<= ULTIMATE.start_main_~i~5 20), 36161#(<= ULTIMATE.start_main_~i~5 21), 36162#(<= ULTIMATE.start_main_~i~5 22), 36163#(<= ULTIMATE.start_main_~i~5 23), 36164#(<= ULTIMATE.start_main_~i~5 24), 36165#(<= ULTIMATE.start_main_~i~5 25), 36166#(<= ULTIMATE.start_main_~i~5 26), 36167#(<= ULTIMATE.start_main_~i~5 27), 36168#(<= ULTIMATE.start_main_~i~5 28), 36169#(<= ULTIMATE.start_main_~i~5 29), 36170#(<= ULTIMATE.start_main_~i~5 30), 36171#(<= ULTIMATE.start_main_~i~5 31), 36172#(<= ULTIMATE.start_main_~i~5 32), 36173#(<= ULTIMATE.start_main_~i~5 33), 36174#(<= ULTIMATE.start_main_~i~5 34), 36175#(<= ULTIMATE.start_main_~i~5 35), 36176#(<= ULTIMATE.start_main_~i~5 36), 36177#(<= ULTIMATE.start_main_~i~5 37), 36178#(<= ULTIMATE.start_main_~i~5 38), 36179#(<= ULTIMATE.start_main_~i~5 39), 36180#(<= ULTIMATE.start_main_~i~5 40), 36181#(<= ULTIMATE.start_main_~i~5 41), 36182#(<= ULTIMATE.start_main_~i~5 42), 36183#(<= ULTIMATE.start_main_~i~5 43), 36184#(<= ULTIMATE.start_main_~i~5 44), 36185#(<= ULTIMATE.start_main_~i~5 45), 36186#(<= ULTIMATE.start_main_~i~5 46), 36187#(<= ULTIMATE.start_main_~i~5 47), 36188#(<= ULTIMATE.start_main_~i~5 48), 36189#(<= ULTIMATE.start_main_~i~5 49), 36190#(<= ULTIMATE.start_main_~i~5 50), 36191#(<= ULTIMATE.start_main_~i~5 51), 36192#(<= ULTIMATE.start_main_~i~5 52), 36193#(<= ULTIMATE.start_main_~i~5 53), 36194#(<= ULTIMATE.start_main_~i~5 54), 36195#(<= ULTIMATE.start_main_~i~5 55), 36196#(<= ULTIMATE.start_main_~i~5 56), 36197#(<= ULTIMATE.start_main_~i~5 57), 36198#(<= ULTIMATE.start_main_~i~5 58), 36199#(<= ULTIMATE.start_main_~i~5 59), 36200#(<= ULTIMATE.start_main_~i~5 60), 36201#(<= ULTIMATE.start_main_~i~5 61), 36202#(<= ULTIMATE.start_main_~i~5 62), 36203#(<= ULTIMATE.start_main_~i~5 63), 36204#(<= ULTIMATE.start_main_~i~5 64), 36205#(<= ULTIMATE.start_main_~i~5 65), 36206#(<= ULTIMATE.start_main_~i~5 66), 36207#(<= ULTIMATE.start_main_~i~5 67), 36208#(<= ULTIMATE.start_main_~i~5 68), 36209#(<= ULTIMATE.start_main_~i~5 69), 36210#(<= ULTIMATE.start_main_~i~5 70), 36211#(<= ULTIMATE.start_main_~i~5 71), 36212#(<= ULTIMATE.start_main_~i~5 72), 36213#(<= ULTIMATE.start_main_~i~5 73), 36214#(<= ULTIMATE.start_main_~i~5 74), 36215#(<= ULTIMATE.start_main_~i~5 75), 36216#(<= ULTIMATE.start_main_~i~5 76), 36217#(<= ULTIMATE.start_main_~i~5 77), 36218#(<= ULTIMATE.start_main_~i~5 78), 36219#(<= ULTIMATE.start_main_~i~5 79), 36220#(<= ULTIMATE.start_main_~i~5 80), 36221#(<= ULTIMATE.start_main_~i~5 81), 36222#(<= ULTIMATE.start_main_~i~5 82), 36223#(<= ULTIMATE.start_main_~i~5 83)] [2018-07-23 13:41:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,016 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:41:14,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:41:14,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:41:14,018 INFO L87 Difference]: Start difference. First operand 177 states and 178 transitions. Second operand 88 states. [2018-07-23 13:41:14,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:14,206 INFO L93 Difference]: Finished difference Result 183 states and 185 transitions. [2018-07-23 13:41:14,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:41:14,206 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 176 [2018-07-23 13:41:14,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:14,208 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:41:14,208 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:41:14,209 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 13:41:14,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:41:14,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:41:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:41:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 180 transitions. [2018-07-23 13:41:14,216 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 180 transitions. Word has length 176 [2018-07-23 13:41:14,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:14,216 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 180 transitions. [2018-07-23 13:41:14,216 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:41:14,216 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 180 transitions. [2018-07-23 13:41:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:41:14,219 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:14,219 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 1, 1, 1, 1, 1] [2018-07-23 13:41:14,220 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:14,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1061464675, now seen corresponding path program 86 times [2018-07-23 13:41:14,220 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,650 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:14,650 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:41:14,651 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:14,651 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 13:41:14,651 INFO L185 omatonBuilderFactory]: Interpolants [36992#(<= ULTIMATE.start_main_~i~5 40), 36993#(<= ULTIMATE.start_main_~i~5 41), 36994#(<= ULTIMATE.start_main_~i~5 42), 36995#(<= ULTIMATE.start_main_~i~5 43), 36996#(<= ULTIMATE.start_main_~i~5 44), 36997#(<= ULTIMATE.start_main_~i~5 45), 36998#(<= ULTIMATE.start_main_~i~5 46), 36999#(<= ULTIMATE.start_main_~i~5 47), 37000#(<= ULTIMATE.start_main_~i~5 48), 37001#(<= ULTIMATE.start_main_~i~5 49), 37002#(<= ULTIMATE.start_main_~i~5 50), 37003#(<= ULTIMATE.start_main_~i~5 51), 37004#(<= ULTIMATE.start_main_~i~5 52), 37005#(<= ULTIMATE.start_main_~i~5 53), 37006#(<= ULTIMATE.start_main_~i~5 54), 37007#(<= ULTIMATE.start_main_~i~5 55), 37008#(<= ULTIMATE.start_main_~i~5 56), 37009#(<= ULTIMATE.start_main_~i~5 57), 37010#(<= ULTIMATE.start_main_~i~5 58), 37011#(<= ULTIMATE.start_main_~i~5 59), 37012#(<= ULTIMATE.start_main_~i~5 60), 37013#(<= ULTIMATE.start_main_~i~5 61), 37014#(<= ULTIMATE.start_main_~i~5 62), 37015#(<= ULTIMATE.start_main_~i~5 63), 37016#(<= ULTIMATE.start_main_~i~5 64), 37017#(<= ULTIMATE.start_main_~i~5 65), 37018#(<= ULTIMATE.start_main_~i~5 66), 37019#(<= ULTIMATE.start_main_~i~5 67), 37020#(<= ULTIMATE.start_main_~i~5 68), 37021#(<= ULTIMATE.start_main_~i~5 69), 37022#(<= ULTIMATE.start_main_~i~5 70), 37023#(<= ULTIMATE.start_main_~i~5 71), 37024#(<= ULTIMATE.start_main_~i~5 72), 37025#(<= ULTIMATE.start_main_~i~5 73), 37026#(<= ULTIMATE.start_main_~i~5 74), 37027#(<= ULTIMATE.start_main_~i~5 75), 37028#(<= ULTIMATE.start_main_~i~5 76), 37029#(<= ULTIMATE.start_main_~i~5 77), 37030#(<= ULTIMATE.start_main_~i~5 78), 37031#(<= ULTIMATE.start_main_~i~5 79), 37032#(<= ULTIMATE.start_main_~i~5 80), 37033#(<= ULTIMATE.start_main_~i~5 81), 37034#(<= ULTIMATE.start_main_~i~5 82), 37035#(<= ULTIMATE.start_main_~i~5 83), 37036#(<= ULTIMATE.start_main_~i~5 84), 37037#(<= ULTIMATE.start_main_~i~5 85), 37038#(<= ULTIMATE.start_main_~i~5 86), 36950#true, 36951#false, 36952#(<= ULTIMATE.start_main_~i~5 0), 36953#(<= ULTIMATE.start_main_~i~5 1), 36954#(<= ULTIMATE.start_main_~i~5 2), 36955#(<= ULTIMATE.start_main_~i~5 3), 36956#(<= ULTIMATE.start_main_~i~5 4), 36957#(<= ULTIMATE.start_main_~i~5 5), 36958#(<= ULTIMATE.start_main_~i~5 6), 36959#(<= ULTIMATE.start_main_~i~5 7), 36960#(<= ULTIMATE.start_main_~i~5 8), 36961#(<= ULTIMATE.start_main_~i~5 9), 36962#(<= ULTIMATE.start_main_~i~5 10), 36963#(<= ULTIMATE.start_main_~i~5 11), 36964#(<= ULTIMATE.start_main_~i~5 12), 36965#(<= ULTIMATE.start_main_~i~5 13), 36966#(<= ULTIMATE.start_main_~i~5 14), 36967#(<= ULTIMATE.start_main_~i~5 15), 36968#(<= ULTIMATE.start_main_~i~5 16), 36969#(<= ULTIMATE.start_main_~i~5 17), 36970#(<= ULTIMATE.start_main_~i~5 18), 36971#(<= ULTIMATE.start_main_~i~5 19), 36972#(<= ULTIMATE.start_main_~i~5 20), 36973#(<= ULTIMATE.start_main_~i~5 21), 36974#(<= ULTIMATE.start_main_~i~5 22), 36975#(<= ULTIMATE.start_main_~i~5 23), 36976#(<= ULTIMATE.start_main_~i~5 24), 36977#(<= ULTIMATE.start_main_~i~5 25), 36978#(<= ULTIMATE.start_main_~i~5 26), 36979#(<= ULTIMATE.start_main_~i~5 27), 36980#(<= ULTIMATE.start_main_~i~5 28), 36981#(<= ULTIMATE.start_main_~i~5 29), 36982#(<= ULTIMATE.start_main_~i~5 30), 36983#(<= ULTIMATE.start_main_~i~5 31), 36984#(<= ULTIMATE.start_main_~i~5 32), 36985#(<= ULTIMATE.start_main_~i~5 33), 36986#(<= ULTIMATE.start_main_~i~5 34), 36987#(<= ULTIMATE.start_main_~i~5 35), 36988#(<= ULTIMATE.start_main_~i~5 36), 36989#(<= ULTIMATE.start_main_~i~5 37), 36990#(<= ULTIMATE.start_main_~i~5 38), 36991#(<= ULTIMATE.start_main_~i~5 39)] [2018-07-23 13:41:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,652 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:41:14,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:41:14,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:41:14,654 INFO L87 Difference]: Start difference. First operand 179 states and 180 transitions. Second operand 89 states. [2018-07-23 13:41:14,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:14,748 INFO L93 Difference]: Finished difference Result 185 states and 187 transitions. [2018-07-23 13:41:14,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:41:14,749 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 178 [2018-07-23 13:41:14,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:14,750 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:41:14,750 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:41:14,751 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 13:41:14,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:41:14,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:41:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:41:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 182 transitions. [2018-07-23 13:41:14,756 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 182 transitions. Word has length 178 [2018-07-23 13:41:14,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:14,757 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 182 transitions. [2018-07-23 13:41:14,757 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:41:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 182 transitions. [2018-07-23 13:41:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:41:14,760 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:14,760 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 1, 1, 1, 1, 1] [2018-07-23 13:41:14,760 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:14,761 INFO L82 PathProgramCache]: Analyzing trace with hash 2076745311, now seen corresponding path program 87 times [2018-07-23 13:41:14,761 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:15,190 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:15,190 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:41:15,190 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:15,190 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 13:41:15,191 INFO L185 omatonBuilderFactory]: Interpolants [37771#true, 37772#false, 37773#(<= ULTIMATE.start_main_~i~5 0), 37774#(<= ULTIMATE.start_main_~i~5 1), 37775#(<= ULTIMATE.start_main_~i~5 2), 37776#(<= ULTIMATE.start_main_~i~5 3), 37777#(<= ULTIMATE.start_main_~i~5 4), 37778#(<= ULTIMATE.start_main_~i~5 5), 37779#(<= ULTIMATE.start_main_~i~5 6), 37780#(<= ULTIMATE.start_main_~i~5 7), 37781#(<= ULTIMATE.start_main_~i~5 8), 37782#(<= ULTIMATE.start_main_~i~5 9), 37783#(<= ULTIMATE.start_main_~i~5 10), 37784#(<= ULTIMATE.start_main_~i~5 11), 37785#(<= ULTIMATE.start_main_~i~5 12), 37786#(<= ULTIMATE.start_main_~i~5 13), 37787#(<= ULTIMATE.start_main_~i~5 14), 37788#(<= ULTIMATE.start_main_~i~5 15), 37789#(<= ULTIMATE.start_main_~i~5 16), 37790#(<= ULTIMATE.start_main_~i~5 17), 37791#(<= ULTIMATE.start_main_~i~5 18), 37792#(<= ULTIMATE.start_main_~i~5 19), 37793#(<= ULTIMATE.start_main_~i~5 20), 37794#(<= ULTIMATE.start_main_~i~5 21), 37795#(<= ULTIMATE.start_main_~i~5 22), 37796#(<= ULTIMATE.start_main_~i~5 23), 37797#(<= ULTIMATE.start_main_~i~5 24), 37798#(<= ULTIMATE.start_main_~i~5 25), 37799#(<= ULTIMATE.start_main_~i~5 26), 37800#(<= ULTIMATE.start_main_~i~5 27), 37801#(<= ULTIMATE.start_main_~i~5 28), 37802#(<= ULTIMATE.start_main_~i~5 29), 37803#(<= ULTIMATE.start_main_~i~5 30), 37804#(<= ULTIMATE.start_main_~i~5 31), 37805#(<= ULTIMATE.start_main_~i~5 32), 37806#(<= ULTIMATE.start_main_~i~5 33), 37807#(<= ULTIMATE.start_main_~i~5 34), 37808#(<= ULTIMATE.start_main_~i~5 35), 37809#(<= ULTIMATE.start_main_~i~5 36), 37810#(<= ULTIMATE.start_main_~i~5 37), 37811#(<= ULTIMATE.start_main_~i~5 38), 37812#(<= ULTIMATE.start_main_~i~5 39), 37813#(<= ULTIMATE.start_main_~i~5 40), 37814#(<= ULTIMATE.start_main_~i~5 41), 37815#(<= ULTIMATE.start_main_~i~5 42), 37816#(<= ULTIMATE.start_main_~i~5 43), 37817#(<= ULTIMATE.start_main_~i~5 44), 37818#(<= ULTIMATE.start_main_~i~5 45), 37819#(<= ULTIMATE.start_main_~i~5 46), 37820#(<= ULTIMATE.start_main_~i~5 47), 37821#(<= ULTIMATE.start_main_~i~5 48), 37822#(<= ULTIMATE.start_main_~i~5 49), 37823#(<= ULTIMATE.start_main_~i~5 50), 37824#(<= ULTIMATE.start_main_~i~5 51), 37825#(<= ULTIMATE.start_main_~i~5 52), 37826#(<= ULTIMATE.start_main_~i~5 53), 37827#(<= ULTIMATE.start_main_~i~5 54), 37828#(<= ULTIMATE.start_main_~i~5 55), 37829#(<= ULTIMATE.start_main_~i~5 56), 37830#(<= ULTIMATE.start_main_~i~5 57), 37831#(<= ULTIMATE.start_main_~i~5 58), 37832#(<= ULTIMATE.start_main_~i~5 59), 37833#(<= ULTIMATE.start_main_~i~5 60), 37834#(<= ULTIMATE.start_main_~i~5 61), 37835#(<= ULTIMATE.start_main_~i~5 62), 37836#(<= ULTIMATE.start_main_~i~5 63), 37837#(<= ULTIMATE.start_main_~i~5 64), 37838#(<= ULTIMATE.start_main_~i~5 65), 37839#(<= ULTIMATE.start_main_~i~5 66), 37840#(<= ULTIMATE.start_main_~i~5 67), 37841#(<= ULTIMATE.start_main_~i~5 68), 37842#(<= ULTIMATE.start_main_~i~5 69), 37843#(<= ULTIMATE.start_main_~i~5 70), 37844#(<= ULTIMATE.start_main_~i~5 71), 37845#(<= ULTIMATE.start_main_~i~5 72), 37846#(<= ULTIMATE.start_main_~i~5 73), 37847#(<= ULTIMATE.start_main_~i~5 74), 37848#(<= ULTIMATE.start_main_~i~5 75), 37849#(<= ULTIMATE.start_main_~i~5 76), 37850#(<= ULTIMATE.start_main_~i~5 77), 37851#(<= ULTIMATE.start_main_~i~5 78), 37852#(<= ULTIMATE.start_main_~i~5 79), 37853#(<= ULTIMATE.start_main_~i~5 80), 37854#(<= ULTIMATE.start_main_~i~5 81), 37855#(<= ULTIMATE.start_main_~i~5 82), 37856#(<= ULTIMATE.start_main_~i~5 83), 37857#(<= ULTIMATE.start_main_~i~5 84), 37858#(<= ULTIMATE.start_main_~i~5 85), 37859#(<= ULTIMATE.start_main_~i~5 86), 37860#(<= ULTIMATE.start_main_~i~5 87)] [2018-07-23 13:41:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:15,192 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:41:15,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:41:15,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:41:15,194 INFO L87 Difference]: Start difference. First operand 181 states and 182 transitions. Second operand 90 states. [2018-07-23 13:41:15,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:15,428 INFO L93 Difference]: Finished difference Result 187 states and 189 transitions. [2018-07-23 13:41:15,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:41:15,429 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 180 [2018-07-23 13:41:15,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:15,430 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:41:15,430 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:41:15,431 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 13:41:15,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:41:15,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:41:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:41:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 184 transitions. [2018-07-23 13:41:15,438 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 184 transitions. Word has length 180 [2018-07-23 13:41:15,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:15,438 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 184 transitions. [2018-07-23 13:41:15,438 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:41:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 184 transitions. [2018-07-23 13:41:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:41:15,441 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:15,441 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 1, 1, 1, 1, 1] [2018-07-23 13:41:15,441 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:15,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1491106981, now seen corresponding path program 88 times [2018-07-23 13:41:15,442 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:15,864 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:15,865 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:41:15,865 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:15,865 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 13:41:15,866 INFO L185 omatonBuilderFactory]: Interpolants [38656#(<= ULTIMATE.start_main_~i~5 53), 38657#(<= ULTIMATE.start_main_~i~5 54), 38658#(<= ULTIMATE.start_main_~i~5 55), 38659#(<= ULTIMATE.start_main_~i~5 56), 38660#(<= ULTIMATE.start_main_~i~5 57), 38661#(<= ULTIMATE.start_main_~i~5 58), 38662#(<= ULTIMATE.start_main_~i~5 59), 38663#(<= ULTIMATE.start_main_~i~5 60), 38664#(<= ULTIMATE.start_main_~i~5 61), 38665#(<= ULTIMATE.start_main_~i~5 62), 38666#(<= ULTIMATE.start_main_~i~5 63), 38667#(<= ULTIMATE.start_main_~i~5 64), 38668#(<= ULTIMATE.start_main_~i~5 65), 38669#(<= ULTIMATE.start_main_~i~5 66), 38670#(<= ULTIMATE.start_main_~i~5 67), 38671#(<= ULTIMATE.start_main_~i~5 68), 38672#(<= ULTIMATE.start_main_~i~5 69), 38673#(<= ULTIMATE.start_main_~i~5 70), 38674#(<= ULTIMATE.start_main_~i~5 71), 38675#(<= ULTIMATE.start_main_~i~5 72), 38676#(<= ULTIMATE.start_main_~i~5 73), 38677#(<= ULTIMATE.start_main_~i~5 74), 38678#(<= ULTIMATE.start_main_~i~5 75), 38679#(<= ULTIMATE.start_main_~i~5 76), 38680#(<= ULTIMATE.start_main_~i~5 77), 38681#(<= ULTIMATE.start_main_~i~5 78), 38682#(<= ULTIMATE.start_main_~i~5 79), 38683#(<= ULTIMATE.start_main_~i~5 80), 38684#(<= ULTIMATE.start_main_~i~5 81), 38685#(<= ULTIMATE.start_main_~i~5 82), 38686#(<= ULTIMATE.start_main_~i~5 83), 38687#(<= ULTIMATE.start_main_~i~5 84), 38688#(<= ULTIMATE.start_main_~i~5 85), 38689#(<= ULTIMATE.start_main_~i~5 86), 38690#(<= ULTIMATE.start_main_~i~5 87), 38691#(<= ULTIMATE.start_main_~i~5 88), 38601#true, 38602#false, 38603#(<= ULTIMATE.start_main_~i~5 0), 38604#(<= ULTIMATE.start_main_~i~5 1), 38605#(<= ULTIMATE.start_main_~i~5 2), 38606#(<= ULTIMATE.start_main_~i~5 3), 38607#(<= ULTIMATE.start_main_~i~5 4), 38608#(<= ULTIMATE.start_main_~i~5 5), 38609#(<= ULTIMATE.start_main_~i~5 6), 38610#(<= ULTIMATE.start_main_~i~5 7), 38611#(<= ULTIMATE.start_main_~i~5 8), 38612#(<= ULTIMATE.start_main_~i~5 9), 38613#(<= ULTIMATE.start_main_~i~5 10), 38614#(<= ULTIMATE.start_main_~i~5 11), 38615#(<= ULTIMATE.start_main_~i~5 12), 38616#(<= ULTIMATE.start_main_~i~5 13), 38617#(<= ULTIMATE.start_main_~i~5 14), 38618#(<= ULTIMATE.start_main_~i~5 15), 38619#(<= ULTIMATE.start_main_~i~5 16), 38620#(<= ULTIMATE.start_main_~i~5 17), 38621#(<= ULTIMATE.start_main_~i~5 18), 38622#(<= ULTIMATE.start_main_~i~5 19), 38623#(<= ULTIMATE.start_main_~i~5 20), 38624#(<= ULTIMATE.start_main_~i~5 21), 38625#(<= ULTIMATE.start_main_~i~5 22), 38626#(<= ULTIMATE.start_main_~i~5 23), 38627#(<= ULTIMATE.start_main_~i~5 24), 38628#(<= ULTIMATE.start_main_~i~5 25), 38629#(<= ULTIMATE.start_main_~i~5 26), 38630#(<= ULTIMATE.start_main_~i~5 27), 38631#(<= ULTIMATE.start_main_~i~5 28), 38632#(<= ULTIMATE.start_main_~i~5 29), 38633#(<= ULTIMATE.start_main_~i~5 30), 38634#(<= ULTIMATE.start_main_~i~5 31), 38635#(<= ULTIMATE.start_main_~i~5 32), 38636#(<= ULTIMATE.start_main_~i~5 33), 38637#(<= ULTIMATE.start_main_~i~5 34), 38638#(<= ULTIMATE.start_main_~i~5 35), 38639#(<= ULTIMATE.start_main_~i~5 36), 38640#(<= ULTIMATE.start_main_~i~5 37), 38641#(<= ULTIMATE.start_main_~i~5 38), 38642#(<= ULTIMATE.start_main_~i~5 39), 38643#(<= ULTIMATE.start_main_~i~5 40), 38644#(<= ULTIMATE.start_main_~i~5 41), 38645#(<= ULTIMATE.start_main_~i~5 42), 38646#(<= ULTIMATE.start_main_~i~5 43), 38647#(<= ULTIMATE.start_main_~i~5 44), 38648#(<= ULTIMATE.start_main_~i~5 45), 38649#(<= ULTIMATE.start_main_~i~5 46), 38650#(<= ULTIMATE.start_main_~i~5 47), 38651#(<= ULTIMATE.start_main_~i~5 48), 38652#(<= ULTIMATE.start_main_~i~5 49), 38653#(<= ULTIMATE.start_main_~i~5 50), 38654#(<= ULTIMATE.start_main_~i~5 51), 38655#(<= ULTIMATE.start_main_~i~5 52)] [2018-07-23 13:41:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:15,866 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:41:15,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:41:15,868 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:41:15,868 INFO L87 Difference]: Start difference. First operand 183 states and 184 transitions. Second operand 91 states. [2018-07-23 13:41:15,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:15,949 INFO L93 Difference]: Finished difference Result 189 states and 191 transitions. [2018-07-23 13:41:15,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:41:15,950 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 182 [2018-07-23 13:41:15,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:15,951 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:41:15,951 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:41:15,952 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 13:41:15,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:41:15,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:41:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:41:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 186 transitions. [2018-07-23 13:41:15,957 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 186 transitions. Word has length 182 [2018-07-23 13:41:15,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:15,957 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 186 transitions. [2018-07-23 13:41:15,958 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:41:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 186 transitions. [2018-07-23 13:41:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:41:15,960 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:15,960 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 1, 1, 1, 1, 1] [2018-07-23 13:41:15,960 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:15,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1481709911, now seen corresponding path program 89 times [2018-07-23 13:41:15,960 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,421 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:16,421 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:41:16,421 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:16,422 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 13:41:16,422 INFO L185 omatonBuilderFactory]: Interpolants [39440#true, 39441#false, 39442#(<= ULTIMATE.start_main_~i~5 0), 39443#(<= ULTIMATE.start_main_~i~5 1), 39444#(<= ULTIMATE.start_main_~i~5 2), 39445#(<= ULTIMATE.start_main_~i~5 3), 39446#(<= ULTIMATE.start_main_~i~5 4), 39447#(<= ULTIMATE.start_main_~i~5 5), 39448#(<= ULTIMATE.start_main_~i~5 6), 39449#(<= ULTIMATE.start_main_~i~5 7), 39450#(<= ULTIMATE.start_main_~i~5 8), 39451#(<= ULTIMATE.start_main_~i~5 9), 39452#(<= ULTIMATE.start_main_~i~5 10), 39453#(<= ULTIMATE.start_main_~i~5 11), 39454#(<= ULTIMATE.start_main_~i~5 12), 39455#(<= ULTIMATE.start_main_~i~5 13), 39456#(<= ULTIMATE.start_main_~i~5 14), 39457#(<= ULTIMATE.start_main_~i~5 15), 39458#(<= ULTIMATE.start_main_~i~5 16), 39459#(<= ULTIMATE.start_main_~i~5 17), 39460#(<= ULTIMATE.start_main_~i~5 18), 39461#(<= ULTIMATE.start_main_~i~5 19), 39462#(<= ULTIMATE.start_main_~i~5 20), 39463#(<= ULTIMATE.start_main_~i~5 21), 39464#(<= ULTIMATE.start_main_~i~5 22), 39465#(<= ULTIMATE.start_main_~i~5 23), 39466#(<= ULTIMATE.start_main_~i~5 24), 39467#(<= ULTIMATE.start_main_~i~5 25), 39468#(<= ULTIMATE.start_main_~i~5 26), 39469#(<= ULTIMATE.start_main_~i~5 27), 39470#(<= ULTIMATE.start_main_~i~5 28), 39471#(<= ULTIMATE.start_main_~i~5 29), 39472#(<= ULTIMATE.start_main_~i~5 30), 39473#(<= ULTIMATE.start_main_~i~5 31), 39474#(<= ULTIMATE.start_main_~i~5 32), 39475#(<= ULTIMATE.start_main_~i~5 33), 39476#(<= ULTIMATE.start_main_~i~5 34), 39477#(<= ULTIMATE.start_main_~i~5 35), 39478#(<= ULTIMATE.start_main_~i~5 36), 39479#(<= ULTIMATE.start_main_~i~5 37), 39480#(<= ULTIMATE.start_main_~i~5 38), 39481#(<= ULTIMATE.start_main_~i~5 39), 39482#(<= ULTIMATE.start_main_~i~5 40), 39483#(<= ULTIMATE.start_main_~i~5 41), 39484#(<= ULTIMATE.start_main_~i~5 42), 39485#(<= ULTIMATE.start_main_~i~5 43), 39486#(<= ULTIMATE.start_main_~i~5 44), 39487#(<= ULTIMATE.start_main_~i~5 45), 39488#(<= ULTIMATE.start_main_~i~5 46), 39489#(<= ULTIMATE.start_main_~i~5 47), 39490#(<= ULTIMATE.start_main_~i~5 48), 39491#(<= ULTIMATE.start_main_~i~5 49), 39492#(<= ULTIMATE.start_main_~i~5 50), 39493#(<= ULTIMATE.start_main_~i~5 51), 39494#(<= ULTIMATE.start_main_~i~5 52), 39495#(<= ULTIMATE.start_main_~i~5 53), 39496#(<= ULTIMATE.start_main_~i~5 54), 39497#(<= ULTIMATE.start_main_~i~5 55), 39498#(<= ULTIMATE.start_main_~i~5 56), 39499#(<= ULTIMATE.start_main_~i~5 57), 39500#(<= ULTIMATE.start_main_~i~5 58), 39501#(<= ULTIMATE.start_main_~i~5 59), 39502#(<= ULTIMATE.start_main_~i~5 60), 39503#(<= ULTIMATE.start_main_~i~5 61), 39504#(<= ULTIMATE.start_main_~i~5 62), 39505#(<= ULTIMATE.start_main_~i~5 63), 39506#(<= ULTIMATE.start_main_~i~5 64), 39507#(<= ULTIMATE.start_main_~i~5 65), 39508#(<= ULTIMATE.start_main_~i~5 66), 39509#(<= ULTIMATE.start_main_~i~5 67), 39510#(<= ULTIMATE.start_main_~i~5 68), 39511#(<= ULTIMATE.start_main_~i~5 69), 39512#(<= ULTIMATE.start_main_~i~5 70), 39513#(<= ULTIMATE.start_main_~i~5 71), 39514#(<= ULTIMATE.start_main_~i~5 72), 39515#(<= ULTIMATE.start_main_~i~5 73), 39516#(<= ULTIMATE.start_main_~i~5 74), 39517#(<= ULTIMATE.start_main_~i~5 75), 39518#(<= ULTIMATE.start_main_~i~5 76), 39519#(<= ULTIMATE.start_main_~i~5 77), 39520#(<= ULTIMATE.start_main_~i~5 78), 39521#(<= ULTIMATE.start_main_~i~5 79), 39522#(<= ULTIMATE.start_main_~i~5 80), 39523#(<= ULTIMATE.start_main_~i~5 81), 39524#(<= ULTIMATE.start_main_~i~5 82), 39525#(<= ULTIMATE.start_main_~i~5 83), 39526#(<= ULTIMATE.start_main_~i~5 84), 39527#(<= ULTIMATE.start_main_~i~5 85), 39528#(<= ULTIMATE.start_main_~i~5 86), 39529#(<= ULTIMATE.start_main_~i~5 87), 39530#(<= ULTIMATE.start_main_~i~5 88), 39531#(<= ULTIMATE.start_main_~i~5 89)] [2018-07-23 13:41:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,423 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:41:16,424 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:41:16,424 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:41:16,425 INFO L87 Difference]: Start difference. First operand 185 states and 186 transitions. Second operand 92 states. [2018-07-23 13:41:16,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:16,643 INFO L93 Difference]: Finished difference Result 191 states and 193 transitions. [2018-07-23 13:41:16,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:41:16,643 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 184 [2018-07-23 13:41:16,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:16,645 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:41:16,645 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:41:16,645 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:41:16,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:41:16,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:41:16,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:41:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 188 transitions. [2018-07-23 13:41:16,651 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 188 transitions. Word has length 184 [2018-07-23 13:41:16,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:16,651 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 188 transitions. [2018-07-23 13:41:16,651 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:41:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 188 transitions. [2018-07-23 13:41:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:41:16,652 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:16,652 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 1, 1, 1, 1, 1] [2018-07-23 13:41:16,653 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:16,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2089476013, now seen corresponding path program 90 times [2018-07-23 13:41:16,653 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,137 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:17,137 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:41:17,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:17,137 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 13:41:17,138 INFO L185 omatonBuilderFactory]: Interpolants [40320#(<= ULTIMATE.start_main_~i~5 30), 40321#(<= ULTIMATE.start_main_~i~5 31), 40322#(<= ULTIMATE.start_main_~i~5 32), 40323#(<= ULTIMATE.start_main_~i~5 33), 40324#(<= ULTIMATE.start_main_~i~5 34), 40325#(<= ULTIMATE.start_main_~i~5 35), 40326#(<= ULTIMATE.start_main_~i~5 36), 40327#(<= ULTIMATE.start_main_~i~5 37), 40328#(<= ULTIMATE.start_main_~i~5 38), 40329#(<= ULTIMATE.start_main_~i~5 39), 40330#(<= ULTIMATE.start_main_~i~5 40), 40331#(<= ULTIMATE.start_main_~i~5 41), 40332#(<= ULTIMATE.start_main_~i~5 42), 40333#(<= ULTIMATE.start_main_~i~5 43), 40334#(<= ULTIMATE.start_main_~i~5 44), 40335#(<= ULTIMATE.start_main_~i~5 45), 40336#(<= ULTIMATE.start_main_~i~5 46), 40337#(<= ULTIMATE.start_main_~i~5 47), 40338#(<= ULTIMATE.start_main_~i~5 48), 40339#(<= ULTIMATE.start_main_~i~5 49), 40340#(<= ULTIMATE.start_main_~i~5 50), 40341#(<= ULTIMATE.start_main_~i~5 51), 40342#(<= ULTIMATE.start_main_~i~5 52), 40343#(<= ULTIMATE.start_main_~i~5 53), 40344#(<= ULTIMATE.start_main_~i~5 54), 40345#(<= ULTIMATE.start_main_~i~5 55), 40346#(<= ULTIMATE.start_main_~i~5 56), 40347#(<= ULTIMATE.start_main_~i~5 57), 40348#(<= ULTIMATE.start_main_~i~5 58), 40349#(<= ULTIMATE.start_main_~i~5 59), 40350#(<= ULTIMATE.start_main_~i~5 60), 40351#(<= ULTIMATE.start_main_~i~5 61), 40352#(<= ULTIMATE.start_main_~i~5 62), 40353#(<= ULTIMATE.start_main_~i~5 63), 40354#(<= ULTIMATE.start_main_~i~5 64), 40355#(<= ULTIMATE.start_main_~i~5 65), 40356#(<= ULTIMATE.start_main_~i~5 66), 40357#(<= ULTIMATE.start_main_~i~5 67), 40358#(<= ULTIMATE.start_main_~i~5 68), 40359#(<= ULTIMATE.start_main_~i~5 69), 40360#(<= ULTIMATE.start_main_~i~5 70), 40361#(<= ULTIMATE.start_main_~i~5 71), 40362#(<= ULTIMATE.start_main_~i~5 72), 40363#(<= ULTIMATE.start_main_~i~5 73), 40364#(<= ULTIMATE.start_main_~i~5 74), 40365#(<= ULTIMATE.start_main_~i~5 75), 40366#(<= ULTIMATE.start_main_~i~5 76), 40367#(<= ULTIMATE.start_main_~i~5 77), 40368#(<= ULTIMATE.start_main_~i~5 78), 40369#(<= ULTIMATE.start_main_~i~5 79), 40370#(<= ULTIMATE.start_main_~i~5 80), 40371#(<= ULTIMATE.start_main_~i~5 81), 40372#(<= ULTIMATE.start_main_~i~5 82), 40373#(<= ULTIMATE.start_main_~i~5 83), 40374#(<= ULTIMATE.start_main_~i~5 84), 40375#(<= ULTIMATE.start_main_~i~5 85), 40376#(<= ULTIMATE.start_main_~i~5 86), 40377#(<= ULTIMATE.start_main_~i~5 87), 40378#(<= ULTIMATE.start_main_~i~5 88), 40379#(<= ULTIMATE.start_main_~i~5 89), 40380#(<= ULTIMATE.start_main_~i~5 90), 40288#true, 40289#false, 40290#(<= ULTIMATE.start_main_~i~5 0), 40291#(<= ULTIMATE.start_main_~i~5 1), 40292#(<= ULTIMATE.start_main_~i~5 2), 40293#(<= ULTIMATE.start_main_~i~5 3), 40294#(<= ULTIMATE.start_main_~i~5 4), 40295#(<= ULTIMATE.start_main_~i~5 5), 40296#(<= ULTIMATE.start_main_~i~5 6), 40297#(<= ULTIMATE.start_main_~i~5 7), 40298#(<= ULTIMATE.start_main_~i~5 8), 40299#(<= ULTIMATE.start_main_~i~5 9), 40300#(<= ULTIMATE.start_main_~i~5 10), 40301#(<= ULTIMATE.start_main_~i~5 11), 40302#(<= ULTIMATE.start_main_~i~5 12), 40303#(<= ULTIMATE.start_main_~i~5 13), 40304#(<= ULTIMATE.start_main_~i~5 14), 40305#(<= ULTIMATE.start_main_~i~5 15), 40306#(<= ULTIMATE.start_main_~i~5 16), 40307#(<= ULTIMATE.start_main_~i~5 17), 40308#(<= ULTIMATE.start_main_~i~5 18), 40309#(<= ULTIMATE.start_main_~i~5 19), 40310#(<= ULTIMATE.start_main_~i~5 20), 40311#(<= ULTIMATE.start_main_~i~5 21), 40312#(<= ULTIMATE.start_main_~i~5 22), 40313#(<= ULTIMATE.start_main_~i~5 23), 40314#(<= ULTIMATE.start_main_~i~5 24), 40315#(<= ULTIMATE.start_main_~i~5 25), 40316#(<= ULTIMATE.start_main_~i~5 26), 40317#(<= ULTIMATE.start_main_~i~5 27), 40318#(<= ULTIMATE.start_main_~i~5 28), 40319#(<= ULTIMATE.start_main_~i~5 29)] [2018-07-23 13:41:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,139 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:41:17,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:41:17,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:41:17,140 INFO L87 Difference]: Start difference. First operand 187 states and 188 transitions. Second operand 93 states. [2018-07-23 13:41:17,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:17,273 INFO L93 Difference]: Finished difference Result 193 states and 195 transitions. [2018-07-23 13:41:17,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:41:17,273 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 186 [2018-07-23 13:41:17,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:17,275 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:41:17,275 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:41:17,276 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:41:17,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:41:17,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:41:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:41:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 190 transitions. [2018-07-23 13:41:17,281 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 190 transitions. Word has length 186 [2018-07-23 13:41:17,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:17,281 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 190 transitions. [2018-07-23 13:41:17,281 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:41:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 190 transitions. [2018-07-23 13:41:17,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:41:17,282 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:17,282 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 1, 1, 1, 1, 1] [2018-07-23 13:41:17,283 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:17,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1974687823, now seen corresponding path program 91 times [2018-07-23 13:41:17,283 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,625 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:17,625 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:41:17,626 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:17,626 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 13:41:17,626 INFO L185 omatonBuilderFactory]: Interpolants [41216#(<= ULTIMATE.start_main_~i~5 69), 41217#(<= ULTIMATE.start_main_~i~5 70), 41218#(<= ULTIMATE.start_main_~i~5 71), 41219#(<= ULTIMATE.start_main_~i~5 72), 41220#(<= ULTIMATE.start_main_~i~5 73), 41221#(<= ULTIMATE.start_main_~i~5 74), 41222#(<= ULTIMATE.start_main_~i~5 75), 41223#(<= ULTIMATE.start_main_~i~5 76), 41224#(<= ULTIMATE.start_main_~i~5 77), 41225#(<= ULTIMATE.start_main_~i~5 78), 41226#(<= ULTIMATE.start_main_~i~5 79), 41227#(<= ULTIMATE.start_main_~i~5 80), 41228#(<= ULTIMATE.start_main_~i~5 81), 41229#(<= ULTIMATE.start_main_~i~5 82), 41230#(<= ULTIMATE.start_main_~i~5 83), 41231#(<= ULTIMATE.start_main_~i~5 84), 41232#(<= ULTIMATE.start_main_~i~5 85), 41233#(<= ULTIMATE.start_main_~i~5 86), 41234#(<= ULTIMATE.start_main_~i~5 87), 41235#(<= ULTIMATE.start_main_~i~5 88), 41236#(<= ULTIMATE.start_main_~i~5 89), 41237#(<= ULTIMATE.start_main_~i~5 90), 41238#(<= ULTIMATE.start_main_~i~5 91), 41145#true, 41146#false, 41147#(<= ULTIMATE.start_main_~i~5 0), 41148#(<= ULTIMATE.start_main_~i~5 1), 41149#(<= ULTIMATE.start_main_~i~5 2), 41150#(<= ULTIMATE.start_main_~i~5 3), 41151#(<= ULTIMATE.start_main_~i~5 4), 41152#(<= ULTIMATE.start_main_~i~5 5), 41153#(<= ULTIMATE.start_main_~i~5 6), 41154#(<= ULTIMATE.start_main_~i~5 7), 41155#(<= ULTIMATE.start_main_~i~5 8), 41156#(<= ULTIMATE.start_main_~i~5 9), 41157#(<= ULTIMATE.start_main_~i~5 10), 41158#(<= ULTIMATE.start_main_~i~5 11), 41159#(<= ULTIMATE.start_main_~i~5 12), 41160#(<= ULTIMATE.start_main_~i~5 13), 41161#(<= ULTIMATE.start_main_~i~5 14), 41162#(<= ULTIMATE.start_main_~i~5 15), 41163#(<= ULTIMATE.start_main_~i~5 16), 41164#(<= ULTIMATE.start_main_~i~5 17), 41165#(<= ULTIMATE.start_main_~i~5 18), 41166#(<= ULTIMATE.start_main_~i~5 19), 41167#(<= ULTIMATE.start_main_~i~5 20), 41168#(<= ULTIMATE.start_main_~i~5 21), 41169#(<= ULTIMATE.start_main_~i~5 22), 41170#(<= ULTIMATE.start_main_~i~5 23), 41171#(<= ULTIMATE.start_main_~i~5 24), 41172#(<= ULTIMATE.start_main_~i~5 25), 41173#(<= ULTIMATE.start_main_~i~5 26), 41174#(<= ULTIMATE.start_main_~i~5 27), 41175#(<= ULTIMATE.start_main_~i~5 28), 41176#(<= ULTIMATE.start_main_~i~5 29), 41177#(<= ULTIMATE.start_main_~i~5 30), 41178#(<= ULTIMATE.start_main_~i~5 31), 41179#(<= ULTIMATE.start_main_~i~5 32), 41180#(<= ULTIMATE.start_main_~i~5 33), 41181#(<= ULTIMATE.start_main_~i~5 34), 41182#(<= ULTIMATE.start_main_~i~5 35), 41183#(<= ULTIMATE.start_main_~i~5 36), 41184#(<= ULTIMATE.start_main_~i~5 37), 41185#(<= ULTIMATE.start_main_~i~5 38), 41186#(<= ULTIMATE.start_main_~i~5 39), 41187#(<= ULTIMATE.start_main_~i~5 40), 41188#(<= ULTIMATE.start_main_~i~5 41), 41189#(<= ULTIMATE.start_main_~i~5 42), 41190#(<= ULTIMATE.start_main_~i~5 43), 41191#(<= ULTIMATE.start_main_~i~5 44), 41192#(<= ULTIMATE.start_main_~i~5 45), 41193#(<= ULTIMATE.start_main_~i~5 46), 41194#(<= ULTIMATE.start_main_~i~5 47), 41195#(<= ULTIMATE.start_main_~i~5 48), 41196#(<= ULTIMATE.start_main_~i~5 49), 41197#(<= ULTIMATE.start_main_~i~5 50), 41198#(<= ULTIMATE.start_main_~i~5 51), 41199#(<= ULTIMATE.start_main_~i~5 52), 41200#(<= ULTIMATE.start_main_~i~5 53), 41201#(<= ULTIMATE.start_main_~i~5 54), 41202#(<= ULTIMATE.start_main_~i~5 55), 41203#(<= ULTIMATE.start_main_~i~5 56), 41204#(<= ULTIMATE.start_main_~i~5 57), 41205#(<= ULTIMATE.start_main_~i~5 58), 41206#(<= ULTIMATE.start_main_~i~5 59), 41207#(<= ULTIMATE.start_main_~i~5 60), 41208#(<= ULTIMATE.start_main_~i~5 61), 41209#(<= ULTIMATE.start_main_~i~5 62), 41210#(<= ULTIMATE.start_main_~i~5 63), 41211#(<= ULTIMATE.start_main_~i~5 64), 41212#(<= ULTIMATE.start_main_~i~5 65), 41213#(<= ULTIMATE.start_main_~i~5 66), 41214#(<= ULTIMATE.start_main_~i~5 67), 41215#(<= ULTIMATE.start_main_~i~5 68)] [2018-07-23 13:41:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,627 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:41:17,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:41:17,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:41:17,629 INFO L87 Difference]: Start difference. First operand 189 states and 190 transitions. Second operand 94 states. [2018-07-23 13:41:17,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:17,713 INFO L93 Difference]: Finished difference Result 195 states and 197 transitions. [2018-07-23 13:41:17,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:41:17,714 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 188 [2018-07-23 13:41:17,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:17,715 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:41:17,715 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:41:17,716 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 13:41:17,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:41:17,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:41:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:41:17,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 192 transitions. [2018-07-23 13:41:17,721 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 192 transitions. Word has length 188 [2018-07-23 13:41:17,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:17,722 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 192 transitions. [2018-07-23 13:41:17,722 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:41:17,722 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 192 transitions. [2018-07-23 13:41:17,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:41:17,723 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:17,723 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 1, 1, 1, 1, 1] [2018-07-23 13:41:17,723 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:17,723 INFO L82 PathProgramCache]: Analyzing trace with hash -784105141, now seen corresponding path program 92 times [2018-07-23 13:41:17,723 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,118 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:18,119 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:41:18,119 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:18,119 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 13:41:18,119 INFO L185 omatonBuilderFactory]: Interpolants [42011#true, 42012#false, 42013#(<= ULTIMATE.start_main_~i~5 0), 42014#(<= ULTIMATE.start_main_~i~5 1), 42015#(<= ULTIMATE.start_main_~i~5 2), 42016#(<= ULTIMATE.start_main_~i~5 3), 42017#(<= ULTIMATE.start_main_~i~5 4), 42018#(<= ULTIMATE.start_main_~i~5 5), 42019#(<= ULTIMATE.start_main_~i~5 6), 42020#(<= ULTIMATE.start_main_~i~5 7), 42021#(<= ULTIMATE.start_main_~i~5 8), 42022#(<= ULTIMATE.start_main_~i~5 9), 42023#(<= ULTIMATE.start_main_~i~5 10), 42024#(<= ULTIMATE.start_main_~i~5 11), 42025#(<= ULTIMATE.start_main_~i~5 12), 42026#(<= ULTIMATE.start_main_~i~5 13), 42027#(<= ULTIMATE.start_main_~i~5 14), 42028#(<= ULTIMATE.start_main_~i~5 15), 42029#(<= ULTIMATE.start_main_~i~5 16), 42030#(<= ULTIMATE.start_main_~i~5 17), 42031#(<= ULTIMATE.start_main_~i~5 18), 42032#(<= ULTIMATE.start_main_~i~5 19), 42033#(<= ULTIMATE.start_main_~i~5 20), 42034#(<= ULTIMATE.start_main_~i~5 21), 42035#(<= ULTIMATE.start_main_~i~5 22), 42036#(<= ULTIMATE.start_main_~i~5 23), 42037#(<= ULTIMATE.start_main_~i~5 24), 42038#(<= ULTIMATE.start_main_~i~5 25), 42039#(<= ULTIMATE.start_main_~i~5 26), 42040#(<= ULTIMATE.start_main_~i~5 27), 42041#(<= ULTIMATE.start_main_~i~5 28), 42042#(<= ULTIMATE.start_main_~i~5 29), 42043#(<= ULTIMATE.start_main_~i~5 30), 42044#(<= ULTIMATE.start_main_~i~5 31), 42045#(<= ULTIMATE.start_main_~i~5 32), 42046#(<= ULTIMATE.start_main_~i~5 33), 42047#(<= ULTIMATE.start_main_~i~5 34), 42048#(<= ULTIMATE.start_main_~i~5 35), 42049#(<= ULTIMATE.start_main_~i~5 36), 42050#(<= ULTIMATE.start_main_~i~5 37), 42051#(<= ULTIMATE.start_main_~i~5 38), 42052#(<= ULTIMATE.start_main_~i~5 39), 42053#(<= ULTIMATE.start_main_~i~5 40), 42054#(<= ULTIMATE.start_main_~i~5 41), 42055#(<= ULTIMATE.start_main_~i~5 42), 42056#(<= ULTIMATE.start_main_~i~5 43), 42057#(<= ULTIMATE.start_main_~i~5 44), 42058#(<= ULTIMATE.start_main_~i~5 45), 42059#(<= ULTIMATE.start_main_~i~5 46), 42060#(<= ULTIMATE.start_main_~i~5 47), 42061#(<= ULTIMATE.start_main_~i~5 48), 42062#(<= ULTIMATE.start_main_~i~5 49), 42063#(<= ULTIMATE.start_main_~i~5 50), 42064#(<= ULTIMATE.start_main_~i~5 51), 42065#(<= ULTIMATE.start_main_~i~5 52), 42066#(<= ULTIMATE.start_main_~i~5 53), 42067#(<= ULTIMATE.start_main_~i~5 54), 42068#(<= ULTIMATE.start_main_~i~5 55), 42069#(<= ULTIMATE.start_main_~i~5 56), 42070#(<= ULTIMATE.start_main_~i~5 57), 42071#(<= ULTIMATE.start_main_~i~5 58), 42072#(<= ULTIMATE.start_main_~i~5 59), 42073#(<= ULTIMATE.start_main_~i~5 60), 42074#(<= ULTIMATE.start_main_~i~5 61), 42075#(<= ULTIMATE.start_main_~i~5 62), 42076#(<= ULTIMATE.start_main_~i~5 63), 42077#(<= ULTIMATE.start_main_~i~5 64), 42078#(<= ULTIMATE.start_main_~i~5 65), 42079#(<= ULTIMATE.start_main_~i~5 66), 42080#(<= ULTIMATE.start_main_~i~5 67), 42081#(<= ULTIMATE.start_main_~i~5 68), 42082#(<= ULTIMATE.start_main_~i~5 69), 42083#(<= ULTIMATE.start_main_~i~5 70), 42084#(<= ULTIMATE.start_main_~i~5 71), 42085#(<= ULTIMATE.start_main_~i~5 72), 42086#(<= ULTIMATE.start_main_~i~5 73), 42087#(<= ULTIMATE.start_main_~i~5 74), 42088#(<= ULTIMATE.start_main_~i~5 75), 42089#(<= ULTIMATE.start_main_~i~5 76), 42090#(<= ULTIMATE.start_main_~i~5 77), 42091#(<= ULTIMATE.start_main_~i~5 78), 42092#(<= ULTIMATE.start_main_~i~5 79), 42093#(<= ULTIMATE.start_main_~i~5 80), 42094#(<= ULTIMATE.start_main_~i~5 81), 42095#(<= ULTIMATE.start_main_~i~5 82), 42096#(<= ULTIMATE.start_main_~i~5 83), 42097#(<= ULTIMATE.start_main_~i~5 84), 42098#(<= ULTIMATE.start_main_~i~5 85), 42099#(<= ULTIMATE.start_main_~i~5 86), 42100#(<= ULTIMATE.start_main_~i~5 87), 42101#(<= ULTIMATE.start_main_~i~5 88), 42102#(<= ULTIMATE.start_main_~i~5 89), 42103#(<= ULTIMATE.start_main_~i~5 90), 42104#(<= ULTIMATE.start_main_~i~5 91), 42105#(<= ULTIMATE.start_main_~i~5 92)] [2018-07-23 13:41:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,121 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:41:18,122 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:41:18,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:41:18,123 INFO L87 Difference]: Start difference. First operand 191 states and 192 transitions. Second operand 95 states. [2018-07-23 13:41:18,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:18,313 INFO L93 Difference]: Finished difference Result 197 states and 199 transitions. [2018-07-23 13:41:18,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:41:18,313 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 190 [2018-07-23 13:41:18,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:18,314 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:41:18,315 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:41:18,315 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:41:18,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:41:18,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:41:18,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:41:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 194 transitions. [2018-07-23 13:41:18,320 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 194 transitions. Word has length 190 [2018-07-23 13:41:18,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:18,321 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 194 transitions. [2018-07-23 13:41:18,321 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:41:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 194 transitions. [2018-07-23 13:41:18,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:41:18,322 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:18,322 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 1, 1, 1, 1, 1] [2018-07-23 13:41:18,322 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:18,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1989321913, now seen corresponding path program 93 times [2018-07-23 13:41:18,322 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,699 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:18,699 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:41:18,699 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:18,699 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 13:41:18,700 INFO L185 omatonBuilderFactory]: Interpolants [42886#true, 42887#false, 42888#(<= ULTIMATE.start_main_~i~5 0), 42889#(<= ULTIMATE.start_main_~i~5 1), 42890#(<= ULTIMATE.start_main_~i~5 2), 42891#(<= ULTIMATE.start_main_~i~5 3), 42892#(<= ULTIMATE.start_main_~i~5 4), 42893#(<= ULTIMATE.start_main_~i~5 5), 42894#(<= ULTIMATE.start_main_~i~5 6), 42895#(<= ULTIMATE.start_main_~i~5 7), 42896#(<= ULTIMATE.start_main_~i~5 8), 42897#(<= ULTIMATE.start_main_~i~5 9), 42898#(<= ULTIMATE.start_main_~i~5 10), 42899#(<= ULTIMATE.start_main_~i~5 11), 42900#(<= ULTIMATE.start_main_~i~5 12), 42901#(<= ULTIMATE.start_main_~i~5 13), 42902#(<= ULTIMATE.start_main_~i~5 14), 42903#(<= ULTIMATE.start_main_~i~5 15), 42904#(<= ULTIMATE.start_main_~i~5 16), 42905#(<= ULTIMATE.start_main_~i~5 17), 42906#(<= ULTIMATE.start_main_~i~5 18), 42907#(<= ULTIMATE.start_main_~i~5 19), 42908#(<= ULTIMATE.start_main_~i~5 20), 42909#(<= ULTIMATE.start_main_~i~5 21), 42910#(<= ULTIMATE.start_main_~i~5 22), 42911#(<= ULTIMATE.start_main_~i~5 23), 42912#(<= ULTIMATE.start_main_~i~5 24), 42913#(<= ULTIMATE.start_main_~i~5 25), 42914#(<= ULTIMATE.start_main_~i~5 26), 42915#(<= ULTIMATE.start_main_~i~5 27), 42916#(<= ULTIMATE.start_main_~i~5 28), 42917#(<= ULTIMATE.start_main_~i~5 29), 42918#(<= ULTIMATE.start_main_~i~5 30), 42919#(<= ULTIMATE.start_main_~i~5 31), 42920#(<= ULTIMATE.start_main_~i~5 32), 42921#(<= ULTIMATE.start_main_~i~5 33), 42922#(<= ULTIMATE.start_main_~i~5 34), 42923#(<= ULTIMATE.start_main_~i~5 35), 42924#(<= ULTIMATE.start_main_~i~5 36), 42925#(<= ULTIMATE.start_main_~i~5 37), 42926#(<= ULTIMATE.start_main_~i~5 38), 42927#(<= ULTIMATE.start_main_~i~5 39), 42928#(<= ULTIMATE.start_main_~i~5 40), 42929#(<= ULTIMATE.start_main_~i~5 41), 42930#(<= ULTIMATE.start_main_~i~5 42), 42931#(<= ULTIMATE.start_main_~i~5 43), 42932#(<= ULTIMATE.start_main_~i~5 44), 42933#(<= ULTIMATE.start_main_~i~5 45), 42934#(<= ULTIMATE.start_main_~i~5 46), 42935#(<= ULTIMATE.start_main_~i~5 47), 42936#(<= ULTIMATE.start_main_~i~5 48), 42937#(<= ULTIMATE.start_main_~i~5 49), 42938#(<= ULTIMATE.start_main_~i~5 50), 42939#(<= ULTIMATE.start_main_~i~5 51), 42940#(<= ULTIMATE.start_main_~i~5 52), 42941#(<= ULTIMATE.start_main_~i~5 53), 42942#(<= ULTIMATE.start_main_~i~5 54), 42943#(<= ULTIMATE.start_main_~i~5 55), 42944#(<= ULTIMATE.start_main_~i~5 56), 42945#(<= ULTIMATE.start_main_~i~5 57), 42946#(<= ULTIMATE.start_main_~i~5 58), 42947#(<= ULTIMATE.start_main_~i~5 59), 42948#(<= ULTIMATE.start_main_~i~5 60), 42949#(<= ULTIMATE.start_main_~i~5 61), 42950#(<= ULTIMATE.start_main_~i~5 62), 42951#(<= ULTIMATE.start_main_~i~5 63), 42952#(<= ULTIMATE.start_main_~i~5 64), 42953#(<= ULTIMATE.start_main_~i~5 65), 42954#(<= ULTIMATE.start_main_~i~5 66), 42955#(<= ULTIMATE.start_main_~i~5 67), 42956#(<= ULTIMATE.start_main_~i~5 68), 42957#(<= ULTIMATE.start_main_~i~5 69), 42958#(<= ULTIMATE.start_main_~i~5 70), 42959#(<= ULTIMATE.start_main_~i~5 71), 42960#(<= ULTIMATE.start_main_~i~5 72), 42961#(<= ULTIMATE.start_main_~i~5 73), 42962#(<= ULTIMATE.start_main_~i~5 74), 42963#(<= ULTIMATE.start_main_~i~5 75), 42964#(<= ULTIMATE.start_main_~i~5 76), 42965#(<= ULTIMATE.start_main_~i~5 77), 42966#(<= ULTIMATE.start_main_~i~5 78), 42967#(<= ULTIMATE.start_main_~i~5 79), 42968#(<= ULTIMATE.start_main_~i~5 80), 42969#(<= ULTIMATE.start_main_~i~5 81), 42970#(<= ULTIMATE.start_main_~i~5 82), 42971#(<= ULTIMATE.start_main_~i~5 83), 42972#(<= ULTIMATE.start_main_~i~5 84), 42973#(<= ULTIMATE.start_main_~i~5 85), 42974#(<= ULTIMATE.start_main_~i~5 86), 42975#(<= ULTIMATE.start_main_~i~5 87), 42976#(<= ULTIMATE.start_main_~i~5 88), 42977#(<= ULTIMATE.start_main_~i~5 89), 42978#(<= ULTIMATE.start_main_~i~5 90), 42979#(<= ULTIMATE.start_main_~i~5 91), 42980#(<= ULTIMATE.start_main_~i~5 92), 42981#(<= ULTIMATE.start_main_~i~5 93)] [2018-07-23 13:41:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,701 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:41:18,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:41:18,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:41:18,702 INFO L87 Difference]: Start difference. First operand 193 states and 194 transitions. Second operand 96 states. [2018-07-23 13:41:18,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:18,868 INFO L93 Difference]: Finished difference Result 199 states and 201 transitions. [2018-07-23 13:41:18,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:41:18,869 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 192 [2018-07-23 13:41:18,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:18,870 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:41:18,870 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:41:18,871 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 13:41:18,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:41:18,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:41:18,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:41:18,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 196 transitions. [2018-07-23 13:41:18,876 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 196 transitions. Word has length 192 [2018-07-23 13:41:18,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:18,876 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 196 transitions. [2018-07-23 13:41:18,876 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:41:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 196 transitions. [2018-07-23 13:41:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:41:18,877 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:18,878 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 1, 1, 1, 1, 1] [2018-07-23 13:41:18,878 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:18,878 INFO L82 PathProgramCache]: Analyzing trace with hash -561469885, now seen corresponding path program 94 times [2018-07-23 13:41:18,878 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:19,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,224 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:19,224 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:41:19,224 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:19,224 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 13:41:19,225 INFO L185 omatonBuilderFactory]: Interpolants [43776#(<= ULTIMATE.start_main_~i~5 4), 43777#(<= ULTIMATE.start_main_~i~5 5), 43778#(<= ULTIMATE.start_main_~i~5 6), 43779#(<= ULTIMATE.start_main_~i~5 7), 43780#(<= ULTIMATE.start_main_~i~5 8), 43781#(<= ULTIMATE.start_main_~i~5 9), 43782#(<= ULTIMATE.start_main_~i~5 10), 43783#(<= ULTIMATE.start_main_~i~5 11), 43784#(<= ULTIMATE.start_main_~i~5 12), 43785#(<= ULTIMATE.start_main_~i~5 13), 43786#(<= ULTIMATE.start_main_~i~5 14), 43787#(<= ULTIMATE.start_main_~i~5 15), 43788#(<= ULTIMATE.start_main_~i~5 16), 43789#(<= ULTIMATE.start_main_~i~5 17), 43790#(<= ULTIMATE.start_main_~i~5 18), 43791#(<= ULTIMATE.start_main_~i~5 19), 43792#(<= ULTIMATE.start_main_~i~5 20), 43793#(<= ULTIMATE.start_main_~i~5 21), 43794#(<= ULTIMATE.start_main_~i~5 22), 43795#(<= ULTIMATE.start_main_~i~5 23), 43796#(<= ULTIMATE.start_main_~i~5 24), 43797#(<= ULTIMATE.start_main_~i~5 25), 43798#(<= ULTIMATE.start_main_~i~5 26), 43799#(<= ULTIMATE.start_main_~i~5 27), 43800#(<= ULTIMATE.start_main_~i~5 28), 43801#(<= ULTIMATE.start_main_~i~5 29), 43802#(<= ULTIMATE.start_main_~i~5 30), 43803#(<= ULTIMATE.start_main_~i~5 31), 43804#(<= ULTIMATE.start_main_~i~5 32), 43805#(<= ULTIMATE.start_main_~i~5 33), 43806#(<= ULTIMATE.start_main_~i~5 34), 43807#(<= ULTIMATE.start_main_~i~5 35), 43808#(<= ULTIMATE.start_main_~i~5 36), 43809#(<= ULTIMATE.start_main_~i~5 37), 43810#(<= ULTIMATE.start_main_~i~5 38), 43811#(<= ULTIMATE.start_main_~i~5 39), 43812#(<= ULTIMATE.start_main_~i~5 40), 43813#(<= ULTIMATE.start_main_~i~5 41), 43814#(<= ULTIMATE.start_main_~i~5 42), 43815#(<= ULTIMATE.start_main_~i~5 43), 43816#(<= ULTIMATE.start_main_~i~5 44), 43817#(<= ULTIMATE.start_main_~i~5 45), 43818#(<= ULTIMATE.start_main_~i~5 46), 43819#(<= ULTIMATE.start_main_~i~5 47), 43820#(<= ULTIMATE.start_main_~i~5 48), 43821#(<= ULTIMATE.start_main_~i~5 49), 43822#(<= ULTIMATE.start_main_~i~5 50), 43823#(<= ULTIMATE.start_main_~i~5 51), 43824#(<= ULTIMATE.start_main_~i~5 52), 43825#(<= ULTIMATE.start_main_~i~5 53), 43826#(<= ULTIMATE.start_main_~i~5 54), 43827#(<= ULTIMATE.start_main_~i~5 55), 43828#(<= ULTIMATE.start_main_~i~5 56), 43829#(<= ULTIMATE.start_main_~i~5 57), 43830#(<= ULTIMATE.start_main_~i~5 58), 43831#(<= ULTIMATE.start_main_~i~5 59), 43832#(<= ULTIMATE.start_main_~i~5 60), 43833#(<= ULTIMATE.start_main_~i~5 61), 43834#(<= ULTIMATE.start_main_~i~5 62), 43835#(<= ULTIMATE.start_main_~i~5 63), 43836#(<= ULTIMATE.start_main_~i~5 64), 43837#(<= ULTIMATE.start_main_~i~5 65), 43838#(<= ULTIMATE.start_main_~i~5 66), 43839#(<= ULTIMATE.start_main_~i~5 67), 43840#(<= ULTIMATE.start_main_~i~5 68), 43841#(<= ULTIMATE.start_main_~i~5 69), 43842#(<= ULTIMATE.start_main_~i~5 70), 43843#(<= ULTIMATE.start_main_~i~5 71), 43844#(<= ULTIMATE.start_main_~i~5 72), 43845#(<= ULTIMATE.start_main_~i~5 73), 43846#(<= ULTIMATE.start_main_~i~5 74), 43847#(<= ULTIMATE.start_main_~i~5 75), 43848#(<= ULTIMATE.start_main_~i~5 76), 43849#(<= ULTIMATE.start_main_~i~5 77), 43850#(<= ULTIMATE.start_main_~i~5 78), 43851#(<= ULTIMATE.start_main_~i~5 79), 43852#(<= ULTIMATE.start_main_~i~5 80), 43853#(<= ULTIMATE.start_main_~i~5 81), 43854#(<= ULTIMATE.start_main_~i~5 82), 43855#(<= ULTIMATE.start_main_~i~5 83), 43856#(<= ULTIMATE.start_main_~i~5 84), 43857#(<= ULTIMATE.start_main_~i~5 85), 43858#(<= ULTIMATE.start_main_~i~5 86), 43859#(<= ULTIMATE.start_main_~i~5 87), 43860#(<= ULTIMATE.start_main_~i~5 88), 43861#(<= ULTIMATE.start_main_~i~5 89), 43862#(<= ULTIMATE.start_main_~i~5 90), 43863#(<= ULTIMATE.start_main_~i~5 91), 43864#(<= ULTIMATE.start_main_~i~5 92), 43865#(<= ULTIMATE.start_main_~i~5 93), 43866#(<= ULTIMATE.start_main_~i~5 94), 43770#true, 43771#false, 43772#(<= ULTIMATE.start_main_~i~5 0), 43773#(<= ULTIMATE.start_main_~i~5 1), 43774#(<= ULTIMATE.start_main_~i~5 2), 43775#(<= ULTIMATE.start_main_~i~5 3)] [2018-07-23 13:41:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,225 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:41:19,226 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:41:19,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:41:19,227 INFO L87 Difference]: Start difference. First operand 195 states and 196 transitions. Second operand 97 states. [2018-07-23 13:41:19,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:19,392 INFO L93 Difference]: Finished difference Result 201 states and 203 transitions. [2018-07-23 13:41:19,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:41:19,393 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 194 [2018-07-23 13:41:19,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:19,394 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:41:19,394 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:41:19,395 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 13:41:19,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:41:19,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:41:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:41:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 198 transitions. [2018-07-23 13:41:19,400 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 198 transitions. Word has length 194 [2018-07-23 13:41:19,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:19,401 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 198 transitions. [2018-07-23 13:41:19,401 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:41:19,401 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 198 transitions. [2018-07-23 13:41:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:41:19,402 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:19,402 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 1, 1, 1, 1, 1] [2018-07-23 13:41:19,402 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:19,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1509761599, now seen corresponding path program 95 times [2018-07-23 13:41:19,403 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,943 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:19,943 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:41:19,943 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:19,944 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 13:41:19,944 INFO L185 omatonBuilderFactory]: Interpolants [44663#true, 44664#false, 44665#(<= ULTIMATE.start_main_~i~5 0), 44666#(<= ULTIMATE.start_main_~i~5 1), 44667#(<= ULTIMATE.start_main_~i~5 2), 44668#(<= ULTIMATE.start_main_~i~5 3), 44669#(<= ULTIMATE.start_main_~i~5 4), 44670#(<= ULTIMATE.start_main_~i~5 5), 44671#(<= ULTIMATE.start_main_~i~5 6), 44672#(<= ULTIMATE.start_main_~i~5 7), 44673#(<= ULTIMATE.start_main_~i~5 8), 44674#(<= ULTIMATE.start_main_~i~5 9), 44675#(<= ULTIMATE.start_main_~i~5 10), 44676#(<= ULTIMATE.start_main_~i~5 11), 44677#(<= ULTIMATE.start_main_~i~5 12), 44678#(<= ULTIMATE.start_main_~i~5 13), 44679#(<= ULTIMATE.start_main_~i~5 14), 44680#(<= ULTIMATE.start_main_~i~5 15), 44681#(<= ULTIMATE.start_main_~i~5 16), 44682#(<= ULTIMATE.start_main_~i~5 17), 44683#(<= ULTIMATE.start_main_~i~5 18), 44684#(<= ULTIMATE.start_main_~i~5 19), 44685#(<= ULTIMATE.start_main_~i~5 20), 44686#(<= ULTIMATE.start_main_~i~5 21), 44687#(<= ULTIMATE.start_main_~i~5 22), 44688#(<= ULTIMATE.start_main_~i~5 23), 44689#(<= ULTIMATE.start_main_~i~5 24), 44690#(<= ULTIMATE.start_main_~i~5 25), 44691#(<= ULTIMATE.start_main_~i~5 26), 44692#(<= ULTIMATE.start_main_~i~5 27), 44693#(<= ULTIMATE.start_main_~i~5 28), 44694#(<= ULTIMATE.start_main_~i~5 29), 44695#(<= ULTIMATE.start_main_~i~5 30), 44696#(<= ULTIMATE.start_main_~i~5 31), 44697#(<= ULTIMATE.start_main_~i~5 32), 44698#(<= ULTIMATE.start_main_~i~5 33), 44699#(<= ULTIMATE.start_main_~i~5 34), 44700#(<= ULTIMATE.start_main_~i~5 35), 44701#(<= ULTIMATE.start_main_~i~5 36), 44702#(<= ULTIMATE.start_main_~i~5 37), 44703#(<= ULTIMATE.start_main_~i~5 38), 44704#(<= ULTIMATE.start_main_~i~5 39), 44705#(<= ULTIMATE.start_main_~i~5 40), 44706#(<= ULTIMATE.start_main_~i~5 41), 44707#(<= ULTIMATE.start_main_~i~5 42), 44708#(<= ULTIMATE.start_main_~i~5 43), 44709#(<= ULTIMATE.start_main_~i~5 44), 44710#(<= ULTIMATE.start_main_~i~5 45), 44711#(<= ULTIMATE.start_main_~i~5 46), 44712#(<= ULTIMATE.start_main_~i~5 47), 44713#(<= ULTIMATE.start_main_~i~5 48), 44714#(<= ULTIMATE.start_main_~i~5 49), 44715#(<= ULTIMATE.start_main_~i~5 50), 44716#(<= ULTIMATE.start_main_~i~5 51), 44717#(<= ULTIMATE.start_main_~i~5 52), 44718#(<= ULTIMATE.start_main_~i~5 53), 44719#(<= ULTIMATE.start_main_~i~5 54), 44720#(<= ULTIMATE.start_main_~i~5 55), 44721#(<= ULTIMATE.start_main_~i~5 56), 44722#(<= ULTIMATE.start_main_~i~5 57), 44723#(<= ULTIMATE.start_main_~i~5 58), 44724#(<= ULTIMATE.start_main_~i~5 59), 44725#(<= ULTIMATE.start_main_~i~5 60), 44726#(<= ULTIMATE.start_main_~i~5 61), 44727#(<= ULTIMATE.start_main_~i~5 62), 44728#(<= ULTIMATE.start_main_~i~5 63), 44729#(<= ULTIMATE.start_main_~i~5 64), 44730#(<= ULTIMATE.start_main_~i~5 65), 44731#(<= ULTIMATE.start_main_~i~5 66), 44732#(<= ULTIMATE.start_main_~i~5 67), 44733#(<= ULTIMATE.start_main_~i~5 68), 44734#(<= ULTIMATE.start_main_~i~5 69), 44735#(<= ULTIMATE.start_main_~i~5 70), 44736#(<= ULTIMATE.start_main_~i~5 71), 44737#(<= ULTIMATE.start_main_~i~5 72), 44738#(<= ULTIMATE.start_main_~i~5 73), 44739#(<= ULTIMATE.start_main_~i~5 74), 44740#(<= ULTIMATE.start_main_~i~5 75), 44741#(<= ULTIMATE.start_main_~i~5 76), 44742#(<= ULTIMATE.start_main_~i~5 77), 44743#(<= ULTIMATE.start_main_~i~5 78), 44744#(<= ULTIMATE.start_main_~i~5 79), 44745#(<= ULTIMATE.start_main_~i~5 80), 44746#(<= ULTIMATE.start_main_~i~5 81), 44747#(<= ULTIMATE.start_main_~i~5 82), 44748#(<= ULTIMATE.start_main_~i~5 83), 44749#(<= ULTIMATE.start_main_~i~5 84), 44750#(<= ULTIMATE.start_main_~i~5 85), 44751#(<= ULTIMATE.start_main_~i~5 86), 44752#(<= ULTIMATE.start_main_~i~5 87), 44753#(<= ULTIMATE.start_main_~i~5 88), 44754#(<= ULTIMATE.start_main_~i~5 89), 44755#(<= ULTIMATE.start_main_~i~5 90), 44756#(<= ULTIMATE.start_main_~i~5 91), 44757#(<= ULTIMATE.start_main_~i~5 92), 44758#(<= ULTIMATE.start_main_~i~5 93), 44759#(<= ULTIMATE.start_main_~i~5 94), 44760#(<= ULTIMATE.start_main_~i~5 95)] [2018-07-23 13:41:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,945 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:41:19,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:41:19,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:41:19,973 INFO L87 Difference]: Start difference. First operand 197 states and 198 transitions. Second operand 98 states. [2018-07-23 13:41:20,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:20,142 INFO L93 Difference]: Finished difference Result 203 states and 205 transitions. [2018-07-23 13:41:20,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:41:20,142 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 196 [2018-07-23 13:41:20,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:20,143 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:41:20,143 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:41:20,144 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 13:41:20,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:41:20,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:41:20,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:41:20,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 200 transitions. [2018-07-23 13:41:20,148 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 200 transitions. Word has length 196 [2018-07-23 13:41:20,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:20,149 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 200 transitions. [2018-07-23 13:41:20,149 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:41:20,149 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 200 transitions. [2018-07-23 13:41:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:41:20,150 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:20,150 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 1, 1, 1, 1, 1] [2018-07-23 13:41:20,150 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:20,151 INFO L82 PathProgramCache]: Analyzing trace with hash -901607621, now seen corresponding path program 96 times [2018-07-23 13:41:20,151 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,488 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:20,488 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:41:20,489 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:20,489 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 13:41:20,489 INFO L185 omatonBuilderFactory]: Interpolants [45568#(<= ULTIMATE.start_main_~i~5 1), 45569#(<= ULTIMATE.start_main_~i~5 2), 45570#(<= ULTIMATE.start_main_~i~5 3), 45571#(<= ULTIMATE.start_main_~i~5 4), 45572#(<= ULTIMATE.start_main_~i~5 5), 45573#(<= ULTIMATE.start_main_~i~5 6), 45574#(<= ULTIMATE.start_main_~i~5 7), 45575#(<= ULTIMATE.start_main_~i~5 8), 45576#(<= ULTIMATE.start_main_~i~5 9), 45577#(<= ULTIMATE.start_main_~i~5 10), 45578#(<= ULTIMATE.start_main_~i~5 11), 45579#(<= ULTIMATE.start_main_~i~5 12), 45580#(<= ULTIMATE.start_main_~i~5 13), 45581#(<= ULTIMATE.start_main_~i~5 14), 45582#(<= ULTIMATE.start_main_~i~5 15), 45583#(<= ULTIMATE.start_main_~i~5 16), 45584#(<= ULTIMATE.start_main_~i~5 17), 45585#(<= ULTIMATE.start_main_~i~5 18), 45586#(<= ULTIMATE.start_main_~i~5 19), 45587#(<= ULTIMATE.start_main_~i~5 20), 45588#(<= ULTIMATE.start_main_~i~5 21), 45589#(<= ULTIMATE.start_main_~i~5 22), 45590#(<= ULTIMATE.start_main_~i~5 23), 45591#(<= ULTIMATE.start_main_~i~5 24), 45592#(<= ULTIMATE.start_main_~i~5 25), 45593#(<= ULTIMATE.start_main_~i~5 26), 45594#(<= ULTIMATE.start_main_~i~5 27), 45595#(<= ULTIMATE.start_main_~i~5 28), 45596#(<= ULTIMATE.start_main_~i~5 29), 45597#(<= ULTIMATE.start_main_~i~5 30), 45598#(<= ULTIMATE.start_main_~i~5 31), 45599#(<= ULTIMATE.start_main_~i~5 32), 45600#(<= ULTIMATE.start_main_~i~5 33), 45601#(<= ULTIMATE.start_main_~i~5 34), 45602#(<= ULTIMATE.start_main_~i~5 35), 45603#(<= ULTIMATE.start_main_~i~5 36), 45604#(<= ULTIMATE.start_main_~i~5 37), 45605#(<= ULTIMATE.start_main_~i~5 38), 45606#(<= ULTIMATE.start_main_~i~5 39), 45607#(<= ULTIMATE.start_main_~i~5 40), 45608#(<= ULTIMATE.start_main_~i~5 41), 45609#(<= ULTIMATE.start_main_~i~5 42), 45610#(<= ULTIMATE.start_main_~i~5 43), 45611#(<= ULTIMATE.start_main_~i~5 44), 45612#(<= ULTIMATE.start_main_~i~5 45), 45613#(<= ULTIMATE.start_main_~i~5 46), 45614#(<= ULTIMATE.start_main_~i~5 47), 45615#(<= ULTIMATE.start_main_~i~5 48), 45616#(<= ULTIMATE.start_main_~i~5 49), 45617#(<= ULTIMATE.start_main_~i~5 50), 45618#(<= ULTIMATE.start_main_~i~5 51), 45619#(<= ULTIMATE.start_main_~i~5 52), 45620#(<= ULTIMATE.start_main_~i~5 53), 45621#(<= ULTIMATE.start_main_~i~5 54), 45622#(<= ULTIMATE.start_main_~i~5 55), 45623#(<= ULTIMATE.start_main_~i~5 56), 45624#(<= ULTIMATE.start_main_~i~5 57), 45625#(<= ULTIMATE.start_main_~i~5 58), 45626#(<= ULTIMATE.start_main_~i~5 59), 45627#(<= ULTIMATE.start_main_~i~5 60), 45628#(<= ULTIMATE.start_main_~i~5 61), 45629#(<= ULTIMATE.start_main_~i~5 62), 45630#(<= ULTIMATE.start_main_~i~5 63), 45631#(<= ULTIMATE.start_main_~i~5 64), 45632#(<= ULTIMATE.start_main_~i~5 65), 45633#(<= ULTIMATE.start_main_~i~5 66), 45634#(<= ULTIMATE.start_main_~i~5 67), 45635#(<= ULTIMATE.start_main_~i~5 68), 45636#(<= ULTIMATE.start_main_~i~5 69), 45637#(<= ULTIMATE.start_main_~i~5 70), 45638#(<= ULTIMATE.start_main_~i~5 71), 45639#(<= ULTIMATE.start_main_~i~5 72), 45640#(<= ULTIMATE.start_main_~i~5 73), 45641#(<= ULTIMATE.start_main_~i~5 74), 45642#(<= ULTIMATE.start_main_~i~5 75), 45643#(<= ULTIMATE.start_main_~i~5 76), 45644#(<= ULTIMATE.start_main_~i~5 77), 45645#(<= ULTIMATE.start_main_~i~5 78), 45646#(<= ULTIMATE.start_main_~i~5 79), 45647#(<= ULTIMATE.start_main_~i~5 80), 45648#(<= ULTIMATE.start_main_~i~5 81), 45649#(<= ULTIMATE.start_main_~i~5 82), 45650#(<= ULTIMATE.start_main_~i~5 83), 45651#(<= ULTIMATE.start_main_~i~5 84), 45652#(<= ULTIMATE.start_main_~i~5 85), 45653#(<= ULTIMATE.start_main_~i~5 86), 45654#(<= ULTIMATE.start_main_~i~5 87), 45655#(<= ULTIMATE.start_main_~i~5 88), 45656#(<= ULTIMATE.start_main_~i~5 89), 45657#(<= ULTIMATE.start_main_~i~5 90), 45658#(<= ULTIMATE.start_main_~i~5 91), 45659#(<= ULTIMATE.start_main_~i~5 92), 45660#(<= ULTIMATE.start_main_~i~5 93), 45661#(<= ULTIMATE.start_main_~i~5 94), 45662#(<= ULTIMATE.start_main_~i~5 95), 45663#(<= ULTIMATE.start_main_~i~5 96), 45565#true, 45566#false, 45567#(<= ULTIMATE.start_main_~i~5 0)] [2018-07-23 13:41:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,490 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:41:20,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:41:20,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:41:20,491 INFO L87 Difference]: Start difference. First operand 199 states and 200 transitions. Second operand 99 states. [2018-07-23 13:41:20,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:20,699 INFO L93 Difference]: Finished difference Result 205 states and 207 transitions. [2018-07-23 13:41:20,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:41:20,699 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 198 [2018-07-23 13:41:20,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:20,700 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:41:20,700 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:41:20,701 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:41:20,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:41:20,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:41:20,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:41:20,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 202 transitions. [2018-07-23 13:41:20,706 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 202 transitions. Word has length 198 [2018-07-23 13:41:20,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:20,706 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 202 transitions. [2018-07-23 13:41:20,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:41:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 202 transitions. [2018-07-23 13:41:20,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:41:20,707 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:20,707 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 1, 1, 1, 1, 1] [2018-07-23 13:41:20,707 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:20,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1054911799, now seen corresponding path program 97 times [2018-07-23 13:41:20,708 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:21,049 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,050 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:21,050 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:41:21,050 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:21,050 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 13:41:21,051 INFO L185 omatonBuilderFactory]: Interpolants [46476#true, 46477#false, 46478#(<= ULTIMATE.start_main_~i~5 0), 46479#(<= ULTIMATE.start_main_~i~5 1), 46480#(<= ULTIMATE.start_main_~i~5 2), 46481#(<= ULTIMATE.start_main_~i~5 3), 46482#(<= ULTIMATE.start_main_~i~5 4), 46483#(<= ULTIMATE.start_main_~i~5 5), 46484#(<= ULTIMATE.start_main_~i~5 6), 46485#(<= ULTIMATE.start_main_~i~5 7), 46486#(<= ULTIMATE.start_main_~i~5 8), 46487#(<= ULTIMATE.start_main_~i~5 9), 46488#(<= ULTIMATE.start_main_~i~5 10), 46489#(<= ULTIMATE.start_main_~i~5 11), 46490#(<= ULTIMATE.start_main_~i~5 12), 46491#(<= ULTIMATE.start_main_~i~5 13), 46492#(<= ULTIMATE.start_main_~i~5 14), 46493#(<= ULTIMATE.start_main_~i~5 15), 46494#(<= ULTIMATE.start_main_~i~5 16), 46495#(<= ULTIMATE.start_main_~i~5 17), 46496#(<= ULTIMATE.start_main_~i~5 18), 46497#(<= ULTIMATE.start_main_~i~5 19), 46498#(<= ULTIMATE.start_main_~i~5 20), 46499#(<= ULTIMATE.start_main_~i~5 21), 46500#(<= ULTIMATE.start_main_~i~5 22), 46501#(<= ULTIMATE.start_main_~i~5 23), 46502#(<= ULTIMATE.start_main_~i~5 24), 46503#(<= ULTIMATE.start_main_~i~5 25), 46504#(<= ULTIMATE.start_main_~i~5 26), 46505#(<= ULTIMATE.start_main_~i~5 27), 46506#(<= ULTIMATE.start_main_~i~5 28), 46507#(<= ULTIMATE.start_main_~i~5 29), 46508#(<= ULTIMATE.start_main_~i~5 30), 46509#(<= ULTIMATE.start_main_~i~5 31), 46510#(<= ULTIMATE.start_main_~i~5 32), 46511#(<= ULTIMATE.start_main_~i~5 33), 46512#(<= ULTIMATE.start_main_~i~5 34), 46513#(<= ULTIMATE.start_main_~i~5 35), 46514#(<= ULTIMATE.start_main_~i~5 36), 46515#(<= ULTIMATE.start_main_~i~5 37), 46516#(<= ULTIMATE.start_main_~i~5 38), 46517#(<= ULTIMATE.start_main_~i~5 39), 46518#(<= ULTIMATE.start_main_~i~5 40), 46519#(<= ULTIMATE.start_main_~i~5 41), 46520#(<= ULTIMATE.start_main_~i~5 42), 46521#(<= ULTIMATE.start_main_~i~5 43), 46522#(<= ULTIMATE.start_main_~i~5 44), 46523#(<= ULTIMATE.start_main_~i~5 45), 46524#(<= ULTIMATE.start_main_~i~5 46), 46525#(<= ULTIMATE.start_main_~i~5 47), 46526#(<= ULTIMATE.start_main_~i~5 48), 46527#(<= ULTIMATE.start_main_~i~5 49), 46528#(<= ULTIMATE.start_main_~i~5 50), 46529#(<= ULTIMATE.start_main_~i~5 51), 46530#(<= ULTIMATE.start_main_~i~5 52), 46531#(<= ULTIMATE.start_main_~i~5 53), 46532#(<= ULTIMATE.start_main_~i~5 54), 46533#(<= ULTIMATE.start_main_~i~5 55), 46534#(<= ULTIMATE.start_main_~i~5 56), 46535#(<= ULTIMATE.start_main_~i~5 57), 46536#(<= ULTIMATE.start_main_~i~5 58), 46537#(<= ULTIMATE.start_main_~i~5 59), 46538#(<= ULTIMATE.start_main_~i~5 60), 46539#(<= ULTIMATE.start_main_~i~5 61), 46540#(<= ULTIMATE.start_main_~i~5 62), 46541#(<= ULTIMATE.start_main_~i~5 63), 46542#(<= ULTIMATE.start_main_~i~5 64), 46543#(<= ULTIMATE.start_main_~i~5 65), 46544#(<= ULTIMATE.start_main_~i~5 66), 46545#(<= ULTIMATE.start_main_~i~5 67), 46546#(<= ULTIMATE.start_main_~i~5 68), 46547#(<= ULTIMATE.start_main_~i~5 69), 46548#(<= ULTIMATE.start_main_~i~5 70), 46549#(<= ULTIMATE.start_main_~i~5 71), 46550#(<= ULTIMATE.start_main_~i~5 72), 46551#(<= ULTIMATE.start_main_~i~5 73), 46552#(<= ULTIMATE.start_main_~i~5 74), 46553#(<= ULTIMATE.start_main_~i~5 75), 46554#(<= ULTIMATE.start_main_~i~5 76), 46555#(<= ULTIMATE.start_main_~i~5 77), 46556#(<= ULTIMATE.start_main_~i~5 78), 46557#(<= ULTIMATE.start_main_~i~5 79), 46558#(<= ULTIMATE.start_main_~i~5 80), 46559#(<= ULTIMATE.start_main_~i~5 81), 46560#(<= ULTIMATE.start_main_~i~5 82), 46561#(<= ULTIMATE.start_main_~i~5 83), 46562#(<= ULTIMATE.start_main_~i~5 84), 46563#(<= ULTIMATE.start_main_~i~5 85), 46564#(<= ULTIMATE.start_main_~i~5 86), 46565#(<= ULTIMATE.start_main_~i~5 87), 46566#(<= ULTIMATE.start_main_~i~5 88), 46567#(<= ULTIMATE.start_main_~i~5 89), 46568#(<= ULTIMATE.start_main_~i~5 90), 46569#(<= ULTIMATE.start_main_~i~5 91), 46570#(<= ULTIMATE.start_main_~i~5 92), 46571#(<= ULTIMATE.start_main_~i~5 93), 46572#(<= ULTIMATE.start_main_~i~5 94), 46573#(<= ULTIMATE.start_main_~i~5 95), 46574#(<= ULTIMATE.start_main_~i~5 96), 46575#(<= ULTIMATE.start_main_~i~5 97)] [2018-07-23 13:41:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,051 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:41:21,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:41:21,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:41:21,053 INFO L87 Difference]: Start difference. First operand 201 states and 202 transitions. Second operand 100 states. [2018-07-23 13:41:21,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:21,239 INFO L93 Difference]: Finished difference Result 207 states and 209 transitions. [2018-07-23 13:41:21,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:41:21,239 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 200 [2018-07-23 13:41:21,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:21,240 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:41:21,240 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:41:21,241 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 13:41:21,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:41:21,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:41:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:41:21,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 204 transitions. [2018-07-23 13:41:21,246 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 204 transitions. Word has length 200 [2018-07-23 13:41:21,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:21,247 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 204 transitions. [2018-07-23 13:41:21,247 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:41:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 204 transitions. [2018-07-23 13:41:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:41:21,248 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:21,248 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 1, 1, 1, 1, 1] [2018-07-23 13:41:21,248 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:21,248 INFO L82 PathProgramCache]: Analyzing trace with hash 74398771, now seen corresponding path program 98 times [2018-07-23 13:41:21,249 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,635 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:21,635 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:41:21,635 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:21,636 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 13:41:21,636 INFO L185 omatonBuilderFactory]: Interpolants [47396#true, 47397#false, 47398#(<= ULTIMATE.start_main_~i~5 0), 47399#(<= ULTIMATE.start_main_~i~5 1), 47400#(<= ULTIMATE.start_main_~i~5 2), 47401#(<= ULTIMATE.start_main_~i~5 3), 47402#(<= ULTIMATE.start_main_~i~5 4), 47403#(<= ULTIMATE.start_main_~i~5 5), 47404#(<= ULTIMATE.start_main_~i~5 6), 47405#(<= ULTIMATE.start_main_~i~5 7), 47406#(<= ULTIMATE.start_main_~i~5 8), 47407#(<= ULTIMATE.start_main_~i~5 9), 47408#(<= ULTIMATE.start_main_~i~5 10), 47409#(<= ULTIMATE.start_main_~i~5 11), 47410#(<= ULTIMATE.start_main_~i~5 12), 47411#(<= ULTIMATE.start_main_~i~5 13), 47412#(<= ULTIMATE.start_main_~i~5 14), 47413#(<= ULTIMATE.start_main_~i~5 15), 47414#(<= ULTIMATE.start_main_~i~5 16), 47415#(<= ULTIMATE.start_main_~i~5 17), 47416#(<= ULTIMATE.start_main_~i~5 18), 47417#(<= ULTIMATE.start_main_~i~5 19), 47418#(<= ULTIMATE.start_main_~i~5 20), 47419#(<= ULTIMATE.start_main_~i~5 21), 47420#(<= ULTIMATE.start_main_~i~5 22), 47421#(<= ULTIMATE.start_main_~i~5 23), 47422#(<= ULTIMATE.start_main_~i~5 24), 47423#(<= ULTIMATE.start_main_~i~5 25), 47424#(<= ULTIMATE.start_main_~i~5 26), 47425#(<= ULTIMATE.start_main_~i~5 27), 47426#(<= ULTIMATE.start_main_~i~5 28), 47427#(<= ULTIMATE.start_main_~i~5 29), 47428#(<= ULTIMATE.start_main_~i~5 30), 47429#(<= ULTIMATE.start_main_~i~5 31), 47430#(<= ULTIMATE.start_main_~i~5 32), 47431#(<= ULTIMATE.start_main_~i~5 33), 47432#(<= ULTIMATE.start_main_~i~5 34), 47433#(<= ULTIMATE.start_main_~i~5 35), 47434#(<= ULTIMATE.start_main_~i~5 36), 47435#(<= ULTIMATE.start_main_~i~5 37), 47436#(<= ULTIMATE.start_main_~i~5 38), 47437#(<= ULTIMATE.start_main_~i~5 39), 47438#(<= ULTIMATE.start_main_~i~5 40), 47439#(<= ULTIMATE.start_main_~i~5 41), 47440#(<= ULTIMATE.start_main_~i~5 42), 47441#(<= ULTIMATE.start_main_~i~5 43), 47442#(<= ULTIMATE.start_main_~i~5 44), 47443#(<= ULTIMATE.start_main_~i~5 45), 47444#(<= ULTIMATE.start_main_~i~5 46), 47445#(<= ULTIMATE.start_main_~i~5 47), 47446#(<= ULTIMATE.start_main_~i~5 48), 47447#(<= ULTIMATE.start_main_~i~5 49), 47448#(<= ULTIMATE.start_main_~i~5 50), 47449#(<= ULTIMATE.start_main_~i~5 51), 47450#(<= ULTIMATE.start_main_~i~5 52), 47451#(<= ULTIMATE.start_main_~i~5 53), 47452#(<= ULTIMATE.start_main_~i~5 54), 47453#(<= ULTIMATE.start_main_~i~5 55), 47454#(<= ULTIMATE.start_main_~i~5 56), 47455#(<= ULTIMATE.start_main_~i~5 57), 47456#(<= ULTIMATE.start_main_~i~5 58), 47457#(<= ULTIMATE.start_main_~i~5 59), 47458#(<= ULTIMATE.start_main_~i~5 60), 47459#(<= ULTIMATE.start_main_~i~5 61), 47460#(<= ULTIMATE.start_main_~i~5 62), 47461#(<= ULTIMATE.start_main_~i~5 63), 47462#(<= ULTIMATE.start_main_~i~5 64), 47463#(<= ULTIMATE.start_main_~i~5 65), 47464#(<= ULTIMATE.start_main_~i~5 66), 47465#(<= ULTIMATE.start_main_~i~5 67), 47466#(<= ULTIMATE.start_main_~i~5 68), 47467#(<= ULTIMATE.start_main_~i~5 69), 47468#(<= ULTIMATE.start_main_~i~5 70), 47469#(<= ULTIMATE.start_main_~i~5 71), 47470#(<= ULTIMATE.start_main_~i~5 72), 47471#(<= ULTIMATE.start_main_~i~5 73), 47472#(<= ULTIMATE.start_main_~i~5 74), 47473#(<= ULTIMATE.start_main_~i~5 75), 47474#(<= ULTIMATE.start_main_~i~5 76), 47475#(<= ULTIMATE.start_main_~i~5 77), 47476#(<= ULTIMATE.start_main_~i~5 78), 47477#(<= ULTIMATE.start_main_~i~5 79), 47478#(<= ULTIMATE.start_main_~i~5 80), 47479#(<= ULTIMATE.start_main_~i~5 81), 47480#(<= ULTIMATE.start_main_~i~5 82), 47481#(<= ULTIMATE.start_main_~i~5 83), 47482#(<= ULTIMATE.start_main_~i~5 84), 47483#(<= ULTIMATE.start_main_~i~5 85), 47484#(<= ULTIMATE.start_main_~i~5 86), 47485#(<= ULTIMATE.start_main_~i~5 87), 47486#(<= ULTIMATE.start_main_~i~5 88), 47487#(<= ULTIMATE.start_main_~i~5 89), 47488#(<= ULTIMATE.start_main_~i~5 90), 47489#(<= ULTIMATE.start_main_~i~5 91), 47490#(<= ULTIMATE.start_main_~i~5 92), 47491#(<= ULTIMATE.start_main_~i~5 93), 47492#(<= ULTIMATE.start_main_~i~5 94), 47493#(<= ULTIMATE.start_main_~i~5 95), 47494#(<= ULTIMATE.start_main_~i~5 96), 47495#(<= ULTIMATE.start_main_~i~5 97), 47496#(<= ULTIMATE.start_main_~i~5 98)] [2018-07-23 13:41:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,637 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:41:21,638 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:41:21,638 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:41:21,639 INFO L87 Difference]: Start difference. First operand 203 states and 204 transitions. Second operand 101 states. [2018-07-23 13:41:21,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:21,804 INFO L93 Difference]: Finished difference Result 209 states and 211 transitions. [2018-07-23 13:41:21,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:41:21,804 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 202 [2018-07-23 13:41:21,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:21,805 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:41:21,805 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:41:21,806 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 13:41:21,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:41:21,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:41:21,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:41:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 206 transitions. [2018-07-23 13:41:21,811 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 206 transitions. Word has length 202 [2018-07-23 13:41:21,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:21,811 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 206 transitions. [2018-07-23 13:41:21,811 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:41:21,811 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 206 transitions. [2018-07-23 13:41:21,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:41:21,812 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:21,812 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 1, 1, 1, 1, 1] [2018-07-23 13:41:21,813 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:21,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1600783313, now seen corresponding path program 99 times [2018-07-23 13:41:21,813 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:22,229 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,230 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:22,230 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:41:22,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:22,230 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 13:41:22,231 INFO L185 omatonBuilderFactory]: Interpolants [48384#(<= ULTIMATE.start_main_~i~5 57), 48385#(<= ULTIMATE.start_main_~i~5 58), 48386#(<= ULTIMATE.start_main_~i~5 59), 48387#(<= ULTIMATE.start_main_~i~5 60), 48388#(<= ULTIMATE.start_main_~i~5 61), 48389#(<= ULTIMATE.start_main_~i~5 62), 48390#(<= ULTIMATE.start_main_~i~5 63), 48391#(<= ULTIMATE.start_main_~i~5 64), 48392#(<= ULTIMATE.start_main_~i~5 65), 48393#(<= ULTIMATE.start_main_~i~5 66), 48394#(<= ULTIMATE.start_main_~i~5 67), 48395#(<= ULTIMATE.start_main_~i~5 68), 48396#(<= ULTIMATE.start_main_~i~5 69), 48397#(<= ULTIMATE.start_main_~i~5 70), 48398#(<= ULTIMATE.start_main_~i~5 71), 48399#(<= ULTIMATE.start_main_~i~5 72), 48400#(<= ULTIMATE.start_main_~i~5 73), 48401#(<= ULTIMATE.start_main_~i~5 74), 48402#(<= ULTIMATE.start_main_~i~5 75), 48403#(<= ULTIMATE.start_main_~i~5 76), 48404#(<= ULTIMATE.start_main_~i~5 77), 48405#(<= ULTIMATE.start_main_~i~5 78), 48406#(<= ULTIMATE.start_main_~i~5 79), 48407#(<= ULTIMATE.start_main_~i~5 80), 48408#(<= ULTIMATE.start_main_~i~5 81), 48409#(<= ULTIMATE.start_main_~i~5 82), 48410#(<= ULTIMATE.start_main_~i~5 83), 48411#(<= ULTIMATE.start_main_~i~5 84), 48412#(<= ULTIMATE.start_main_~i~5 85), 48413#(<= ULTIMATE.start_main_~i~5 86), 48414#(<= ULTIMATE.start_main_~i~5 87), 48415#(<= ULTIMATE.start_main_~i~5 88), 48416#(<= ULTIMATE.start_main_~i~5 89), 48417#(<= ULTIMATE.start_main_~i~5 90), 48418#(<= ULTIMATE.start_main_~i~5 91), 48419#(<= ULTIMATE.start_main_~i~5 92), 48420#(<= ULTIMATE.start_main_~i~5 93), 48421#(<= ULTIMATE.start_main_~i~5 94), 48422#(<= ULTIMATE.start_main_~i~5 95), 48423#(<= ULTIMATE.start_main_~i~5 96), 48424#(<= ULTIMATE.start_main_~i~5 97), 48425#(<= ULTIMATE.start_main_~i~5 98), 48426#(<= ULTIMATE.start_main_~i~5 99), 48325#true, 48326#false, 48327#(<= ULTIMATE.start_main_~i~5 0), 48328#(<= ULTIMATE.start_main_~i~5 1), 48329#(<= ULTIMATE.start_main_~i~5 2), 48330#(<= ULTIMATE.start_main_~i~5 3), 48331#(<= ULTIMATE.start_main_~i~5 4), 48332#(<= ULTIMATE.start_main_~i~5 5), 48333#(<= ULTIMATE.start_main_~i~5 6), 48334#(<= ULTIMATE.start_main_~i~5 7), 48335#(<= ULTIMATE.start_main_~i~5 8), 48336#(<= ULTIMATE.start_main_~i~5 9), 48337#(<= ULTIMATE.start_main_~i~5 10), 48338#(<= ULTIMATE.start_main_~i~5 11), 48339#(<= ULTIMATE.start_main_~i~5 12), 48340#(<= ULTIMATE.start_main_~i~5 13), 48341#(<= ULTIMATE.start_main_~i~5 14), 48342#(<= ULTIMATE.start_main_~i~5 15), 48343#(<= ULTIMATE.start_main_~i~5 16), 48344#(<= ULTIMATE.start_main_~i~5 17), 48345#(<= ULTIMATE.start_main_~i~5 18), 48346#(<= ULTIMATE.start_main_~i~5 19), 48347#(<= ULTIMATE.start_main_~i~5 20), 48348#(<= ULTIMATE.start_main_~i~5 21), 48349#(<= ULTIMATE.start_main_~i~5 22), 48350#(<= ULTIMATE.start_main_~i~5 23), 48351#(<= ULTIMATE.start_main_~i~5 24), 48352#(<= ULTIMATE.start_main_~i~5 25), 48353#(<= ULTIMATE.start_main_~i~5 26), 48354#(<= ULTIMATE.start_main_~i~5 27), 48355#(<= ULTIMATE.start_main_~i~5 28), 48356#(<= ULTIMATE.start_main_~i~5 29), 48357#(<= ULTIMATE.start_main_~i~5 30), 48358#(<= ULTIMATE.start_main_~i~5 31), 48359#(<= ULTIMATE.start_main_~i~5 32), 48360#(<= ULTIMATE.start_main_~i~5 33), 48361#(<= ULTIMATE.start_main_~i~5 34), 48362#(<= ULTIMATE.start_main_~i~5 35), 48363#(<= ULTIMATE.start_main_~i~5 36), 48364#(<= ULTIMATE.start_main_~i~5 37), 48365#(<= ULTIMATE.start_main_~i~5 38), 48366#(<= ULTIMATE.start_main_~i~5 39), 48367#(<= ULTIMATE.start_main_~i~5 40), 48368#(<= ULTIMATE.start_main_~i~5 41), 48369#(<= ULTIMATE.start_main_~i~5 42), 48370#(<= ULTIMATE.start_main_~i~5 43), 48371#(<= ULTIMATE.start_main_~i~5 44), 48372#(<= ULTIMATE.start_main_~i~5 45), 48373#(<= ULTIMATE.start_main_~i~5 46), 48374#(<= ULTIMATE.start_main_~i~5 47), 48375#(<= ULTIMATE.start_main_~i~5 48), 48376#(<= ULTIMATE.start_main_~i~5 49), 48377#(<= ULTIMATE.start_main_~i~5 50), 48378#(<= ULTIMATE.start_main_~i~5 51), 48379#(<= ULTIMATE.start_main_~i~5 52), 48380#(<= ULTIMATE.start_main_~i~5 53), 48381#(<= ULTIMATE.start_main_~i~5 54), 48382#(<= ULTIMATE.start_main_~i~5 55), 48383#(<= ULTIMATE.start_main_~i~5 56)] [2018-07-23 13:41:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,231 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:41:22,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:41:22,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:41:22,233 INFO L87 Difference]: Start difference. First operand 205 states and 206 transitions. Second operand 102 states. [2018-07-23 13:41:22,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:22,311 INFO L93 Difference]: Finished difference Result 211 states and 213 transitions. [2018-07-23 13:41:22,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:41:22,312 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 204 [2018-07-23 13:41:22,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:22,313 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:41:22,313 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:41:22,314 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 13:41:22,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:41:22,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:41:22,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:41:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 208 transitions. [2018-07-23 13:41:22,317 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 208 transitions. Word has length 204 [2018-07-23 13:41:22,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:22,318 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 208 transitions. [2018-07-23 13:41:22,318 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:41:22,318 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 208 transitions. [2018-07-23 13:41:22,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:41:22,319 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:22,319 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 1, 1, 1, 1, 1] [2018-07-23 13:41:22,319 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:22,319 INFO L82 PathProgramCache]: Analyzing trace with hash -838030037, now seen corresponding path program 100 times [2018-07-23 13:41:22,319 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,703 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:22,703 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:41:22,704 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:22,734 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 13:41:22,735 INFO L185 omatonBuilderFactory]: Interpolants [49263#true, 49264#false, 49265#(<= ULTIMATE.start_main_~i~5 0), 49266#(<= ULTIMATE.start_main_~i~5 1), 49267#(<= ULTIMATE.start_main_~i~5 2), 49268#(<= ULTIMATE.start_main_~i~5 3), 49269#(<= ULTIMATE.start_main_~i~5 4), 49270#(<= ULTIMATE.start_main_~i~5 5), 49271#(<= ULTIMATE.start_main_~i~5 6), 49272#(<= ULTIMATE.start_main_~i~5 7), 49273#(<= ULTIMATE.start_main_~i~5 8), 49274#(<= ULTIMATE.start_main_~i~5 9), 49275#(<= ULTIMATE.start_main_~i~5 10), 49276#(<= ULTIMATE.start_main_~i~5 11), 49277#(<= ULTIMATE.start_main_~i~5 12), 49278#(<= ULTIMATE.start_main_~i~5 13), 49279#(<= ULTIMATE.start_main_~i~5 14), 49280#(<= ULTIMATE.start_main_~i~5 15), 49281#(<= ULTIMATE.start_main_~i~5 16), 49282#(<= ULTIMATE.start_main_~i~5 17), 49283#(<= ULTIMATE.start_main_~i~5 18), 49284#(<= ULTIMATE.start_main_~i~5 19), 49285#(<= ULTIMATE.start_main_~i~5 20), 49286#(<= ULTIMATE.start_main_~i~5 21), 49287#(<= ULTIMATE.start_main_~i~5 22), 49288#(<= ULTIMATE.start_main_~i~5 23), 49289#(<= ULTIMATE.start_main_~i~5 24), 49290#(<= ULTIMATE.start_main_~i~5 25), 49291#(<= ULTIMATE.start_main_~i~5 26), 49292#(<= ULTIMATE.start_main_~i~5 27), 49293#(<= ULTIMATE.start_main_~i~5 28), 49294#(<= ULTIMATE.start_main_~i~5 29), 49295#(<= ULTIMATE.start_main_~i~5 30), 49296#(<= ULTIMATE.start_main_~i~5 31), 49297#(<= ULTIMATE.start_main_~i~5 32), 49298#(<= ULTIMATE.start_main_~i~5 33), 49299#(<= ULTIMATE.start_main_~i~5 34), 49300#(<= ULTIMATE.start_main_~i~5 35), 49301#(<= ULTIMATE.start_main_~i~5 36), 49302#(<= ULTIMATE.start_main_~i~5 37), 49303#(<= ULTIMATE.start_main_~i~5 38), 49304#(<= ULTIMATE.start_main_~i~5 39), 49305#(<= ULTIMATE.start_main_~i~5 40), 49306#(<= ULTIMATE.start_main_~i~5 41), 49307#(<= ULTIMATE.start_main_~i~5 42), 49308#(<= ULTIMATE.start_main_~i~5 43), 49309#(<= ULTIMATE.start_main_~i~5 44), 49310#(<= ULTIMATE.start_main_~i~5 45), 49311#(<= ULTIMATE.start_main_~i~5 46), 49312#(<= ULTIMATE.start_main_~i~5 47), 49313#(<= ULTIMATE.start_main_~i~5 48), 49314#(<= ULTIMATE.start_main_~i~5 49), 49315#(<= ULTIMATE.start_main_~i~5 50), 49316#(<= ULTIMATE.start_main_~i~5 51), 49317#(<= ULTIMATE.start_main_~i~5 52), 49318#(<= ULTIMATE.start_main_~i~5 53), 49319#(<= ULTIMATE.start_main_~i~5 54), 49320#(<= ULTIMATE.start_main_~i~5 55), 49321#(<= ULTIMATE.start_main_~i~5 56), 49322#(<= ULTIMATE.start_main_~i~5 57), 49323#(<= ULTIMATE.start_main_~i~5 58), 49324#(<= ULTIMATE.start_main_~i~5 59), 49325#(<= ULTIMATE.start_main_~i~5 60), 49326#(<= ULTIMATE.start_main_~i~5 61), 49327#(<= ULTIMATE.start_main_~i~5 62), 49328#(<= ULTIMATE.start_main_~i~5 63), 49329#(<= ULTIMATE.start_main_~i~5 64), 49330#(<= ULTIMATE.start_main_~i~5 65), 49331#(<= ULTIMATE.start_main_~i~5 66), 49332#(<= ULTIMATE.start_main_~i~5 67), 49333#(<= ULTIMATE.start_main_~i~5 68), 49334#(<= ULTIMATE.start_main_~i~5 69), 49335#(<= ULTIMATE.start_main_~i~5 70), 49336#(<= ULTIMATE.start_main_~i~5 71), 49337#(<= ULTIMATE.start_main_~i~5 72), 49338#(<= ULTIMATE.start_main_~i~5 73), 49339#(<= ULTIMATE.start_main_~i~5 74), 49340#(<= ULTIMATE.start_main_~i~5 75), 49341#(<= ULTIMATE.start_main_~i~5 76), 49342#(<= ULTIMATE.start_main_~i~5 77), 49343#(<= ULTIMATE.start_main_~i~5 78), 49344#(<= ULTIMATE.start_main_~i~5 79), 49345#(<= ULTIMATE.start_main_~i~5 80), 49346#(<= ULTIMATE.start_main_~i~5 81), 49347#(<= ULTIMATE.start_main_~i~5 82), 49348#(<= ULTIMATE.start_main_~i~5 83), 49349#(<= ULTIMATE.start_main_~i~5 84), 49350#(<= ULTIMATE.start_main_~i~5 85), 49351#(<= ULTIMATE.start_main_~i~5 86), 49352#(<= ULTIMATE.start_main_~i~5 87), 49353#(<= ULTIMATE.start_main_~i~5 88), 49354#(<= ULTIMATE.start_main_~i~5 89), 49355#(<= ULTIMATE.start_main_~i~5 90), 49356#(<= ULTIMATE.start_main_~i~5 91), 49357#(<= ULTIMATE.start_main_~i~5 92), 49358#(<= ULTIMATE.start_main_~i~5 93), 49359#(<= ULTIMATE.start_main_~i~5 94), 49360#(<= ULTIMATE.start_main_~i~5 95), 49361#(<= ULTIMATE.start_main_~i~5 96), 49362#(<= ULTIMATE.start_main_~i~5 97), 49363#(<= ULTIMATE.start_main_~i~5 98), 49364#(<= ULTIMATE.start_main_~i~5 99), 49365#(<= ULTIMATE.start_main_~i~5 100)] [2018-07-23 13:41:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,736 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:41:22,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:41:22,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:41:22,737 INFO L87 Difference]: Start difference. First operand 207 states and 208 transitions. Second operand 103 states. [2018-07-23 13:41:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:22,909 INFO L93 Difference]: Finished difference Result 213 states and 215 transitions. [2018-07-23 13:41:22,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:41:22,909 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 206 [2018-07-23 13:41:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:22,910 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:41:22,910 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:41:22,910 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 13:41:22,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:41:22,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:41:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:41:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 210 transitions. [2018-07-23 13:41:22,914 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 210 transitions. Word has length 206 [2018-07-23 13:41:22,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:22,914 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 210 transitions. [2018-07-23 13:41:22,914 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:41:22,914 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 210 transitions. [2018-07-23 13:41:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:41:22,915 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:22,915 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 1, 1, 1, 1, 1] [2018-07-23 13:41:22,916 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:22,916 INFO L82 PathProgramCache]: Analyzing trace with hash 2023427879, now seen corresponding path program 101 times [2018-07-23 13:41:22,916 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,288 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:23,288 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:41:23,289 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:23,289 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 13:41:23,289 INFO L185 omatonBuilderFactory]: Interpolants [50210#true, 50211#false, 50212#(<= ULTIMATE.start_main_~i~5 0), 50213#(<= ULTIMATE.start_main_~i~5 1), 50214#(<= ULTIMATE.start_main_~i~5 2), 50215#(<= ULTIMATE.start_main_~i~5 3), 50216#(<= ULTIMATE.start_main_~i~5 4), 50217#(<= ULTIMATE.start_main_~i~5 5), 50218#(<= ULTIMATE.start_main_~i~5 6), 50219#(<= ULTIMATE.start_main_~i~5 7), 50220#(<= ULTIMATE.start_main_~i~5 8), 50221#(<= ULTIMATE.start_main_~i~5 9), 50222#(<= ULTIMATE.start_main_~i~5 10), 50223#(<= ULTIMATE.start_main_~i~5 11), 50224#(<= ULTIMATE.start_main_~i~5 12), 50225#(<= ULTIMATE.start_main_~i~5 13), 50226#(<= ULTIMATE.start_main_~i~5 14), 50227#(<= ULTIMATE.start_main_~i~5 15), 50228#(<= ULTIMATE.start_main_~i~5 16), 50229#(<= ULTIMATE.start_main_~i~5 17), 50230#(<= ULTIMATE.start_main_~i~5 18), 50231#(<= ULTIMATE.start_main_~i~5 19), 50232#(<= ULTIMATE.start_main_~i~5 20), 50233#(<= ULTIMATE.start_main_~i~5 21), 50234#(<= ULTIMATE.start_main_~i~5 22), 50235#(<= ULTIMATE.start_main_~i~5 23), 50236#(<= ULTIMATE.start_main_~i~5 24), 50237#(<= ULTIMATE.start_main_~i~5 25), 50238#(<= ULTIMATE.start_main_~i~5 26), 50239#(<= ULTIMATE.start_main_~i~5 27), 50240#(<= ULTIMATE.start_main_~i~5 28), 50241#(<= ULTIMATE.start_main_~i~5 29), 50242#(<= ULTIMATE.start_main_~i~5 30), 50243#(<= ULTIMATE.start_main_~i~5 31), 50244#(<= ULTIMATE.start_main_~i~5 32), 50245#(<= ULTIMATE.start_main_~i~5 33), 50246#(<= ULTIMATE.start_main_~i~5 34), 50247#(<= ULTIMATE.start_main_~i~5 35), 50248#(<= ULTIMATE.start_main_~i~5 36), 50249#(<= ULTIMATE.start_main_~i~5 37), 50250#(<= ULTIMATE.start_main_~i~5 38), 50251#(<= ULTIMATE.start_main_~i~5 39), 50252#(<= ULTIMATE.start_main_~i~5 40), 50253#(<= ULTIMATE.start_main_~i~5 41), 50254#(<= ULTIMATE.start_main_~i~5 42), 50255#(<= ULTIMATE.start_main_~i~5 43), 50256#(<= ULTIMATE.start_main_~i~5 44), 50257#(<= ULTIMATE.start_main_~i~5 45), 50258#(<= ULTIMATE.start_main_~i~5 46), 50259#(<= ULTIMATE.start_main_~i~5 47), 50260#(<= ULTIMATE.start_main_~i~5 48), 50261#(<= ULTIMATE.start_main_~i~5 49), 50262#(<= ULTIMATE.start_main_~i~5 50), 50263#(<= ULTIMATE.start_main_~i~5 51), 50264#(<= ULTIMATE.start_main_~i~5 52), 50265#(<= ULTIMATE.start_main_~i~5 53), 50266#(<= ULTIMATE.start_main_~i~5 54), 50267#(<= ULTIMATE.start_main_~i~5 55), 50268#(<= ULTIMATE.start_main_~i~5 56), 50269#(<= ULTIMATE.start_main_~i~5 57), 50270#(<= ULTIMATE.start_main_~i~5 58), 50271#(<= ULTIMATE.start_main_~i~5 59), 50272#(<= ULTIMATE.start_main_~i~5 60), 50273#(<= ULTIMATE.start_main_~i~5 61), 50274#(<= ULTIMATE.start_main_~i~5 62), 50275#(<= ULTIMATE.start_main_~i~5 63), 50276#(<= ULTIMATE.start_main_~i~5 64), 50277#(<= ULTIMATE.start_main_~i~5 65), 50278#(<= ULTIMATE.start_main_~i~5 66), 50279#(<= ULTIMATE.start_main_~i~5 67), 50280#(<= ULTIMATE.start_main_~i~5 68), 50281#(<= ULTIMATE.start_main_~i~5 69), 50282#(<= ULTIMATE.start_main_~i~5 70), 50283#(<= ULTIMATE.start_main_~i~5 71), 50284#(<= ULTIMATE.start_main_~i~5 72), 50285#(<= ULTIMATE.start_main_~i~5 73), 50286#(<= ULTIMATE.start_main_~i~5 74), 50287#(<= ULTIMATE.start_main_~i~5 75), 50288#(<= ULTIMATE.start_main_~i~5 76), 50289#(<= ULTIMATE.start_main_~i~5 77), 50290#(<= ULTIMATE.start_main_~i~5 78), 50291#(<= ULTIMATE.start_main_~i~5 79), 50292#(<= ULTIMATE.start_main_~i~5 80), 50293#(<= ULTIMATE.start_main_~i~5 81), 50294#(<= ULTIMATE.start_main_~i~5 82), 50295#(<= ULTIMATE.start_main_~i~5 83), 50296#(<= ULTIMATE.start_main_~i~5 84), 50297#(<= ULTIMATE.start_main_~i~5 85), 50298#(<= ULTIMATE.start_main_~i~5 86), 50299#(<= ULTIMATE.start_main_~i~5 87), 50300#(<= ULTIMATE.start_main_~i~5 88), 50301#(<= ULTIMATE.start_main_~i~5 89), 50302#(<= ULTIMATE.start_main_~i~5 90), 50303#(<= ULTIMATE.start_main_~i~5 91), 50304#(<= ULTIMATE.start_main_~i~5 92), 50305#(<= ULTIMATE.start_main_~i~5 93), 50306#(<= ULTIMATE.start_main_~i~5 94), 50307#(<= ULTIMATE.start_main_~i~5 95), 50308#(<= ULTIMATE.start_main_~i~5 96), 50309#(<= ULTIMATE.start_main_~i~5 97), 50310#(<= ULTIMATE.start_main_~i~5 98), 50311#(<= ULTIMATE.start_main_~i~5 99), 50312#(<= ULTIMATE.start_main_~i~5 100), 50313#(<= ULTIMATE.start_main_~i~5 101)] [2018-07-23 13:41:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,290 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:41:23,291 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:41:23,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:41:23,292 INFO L87 Difference]: Start difference. First operand 209 states and 210 transitions. Second operand 104 states. [2018-07-23 13:41:23,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:23,484 INFO L93 Difference]: Finished difference Result 215 states and 217 transitions. [2018-07-23 13:41:23,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:41:23,485 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 208 [2018-07-23 13:41:23,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:23,486 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:41:23,486 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:41:23,487 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 13:41:23,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:41:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:41:23,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:41:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 212 transitions. [2018-07-23 13:41:23,492 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 212 transitions. Word has length 208 [2018-07-23 13:41:23,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:23,492 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 212 transitions. [2018-07-23 13:41:23,492 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:41:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 212 transitions. [2018-07-23 13:41:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:41:23,493 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:23,493 INFO L357 BasicCegarLoop]: trace histogram [103, 102, 1, 1, 1, 1, 1] [2018-07-23 13:41:23,494 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:23,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1189551581, now seen corresponding path program 102 times [2018-07-23 13:41:23,494 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:23,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,895 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:23,895 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:41:23,895 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:23,895 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 13:41:23,895 INFO L185 omatonBuilderFactory]: Interpolants [51200#(<= ULTIMATE.start_main_~i~5 32), 51201#(<= ULTIMATE.start_main_~i~5 33), 51202#(<= ULTIMATE.start_main_~i~5 34), 51203#(<= ULTIMATE.start_main_~i~5 35), 51204#(<= ULTIMATE.start_main_~i~5 36), 51205#(<= ULTIMATE.start_main_~i~5 37), 51206#(<= ULTIMATE.start_main_~i~5 38), 51207#(<= ULTIMATE.start_main_~i~5 39), 51208#(<= ULTIMATE.start_main_~i~5 40), 51209#(<= ULTIMATE.start_main_~i~5 41), 51210#(<= ULTIMATE.start_main_~i~5 42), 51211#(<= ULTIMATE.start_main_~i~5 43), 51212#(<= ULTIMATE.start_main_~i~5 44), 51213#(<= ULTIMATE.start_main_~i~5 45), 51214#(<= ULTIMATE.start_main_~i~5 46), 51215#(<= ULTIMATE.start_main_~i~5 47), 51216#(<= ULTIMATE.start_main_~i~5 48), 51217#(<= ULTIMATE.start_main_~i~5 49), 51218#(<= ULTIMATE.start_main_~i~5 50), 51219#(<= ULTIMATE.start_main_~i~5 51), 51220#(<= ULTIMATE.start_main_~i~5 52), 51221#(<= ULTIMATE.start_main_~i~5 53), 51222#(<= ULTIMATE.start_main_~i~5 54), 51223#(<= ULTIMATE.start_main_~i~5 55), 51224#(<= ULTIMATE.start_main_~i~5 56), 51225#(<= ULTIMATE.start_main_~i~5 57), 51226#(<= ULTIMATE.start_main_~i~5 58), 51227#(<= ULTIMATE.start_main_~i~5 59), 51228#(<= ULTIMATE.start_main_~i~5 60), 51229#(<= ULTIMATE.start_main_~i~5 61), 51230#(<= ULTIMATE.start_main_~i~5 62), 51231#(<= ULTIMATE.start_main_~i~5 63), 51232#(<= ULTIMATE.start_main_~i~5 64), 51233#(<= ULTIMATE.start_main_~i~5 65), 51234#(<= ULTIMATE.start_main_~i~5 66), 51235#(<= ULTIMATE.start_main_~i~5 67), 51236#(<= ULTIMATE.start_main_~i~5 68), 51237#(<= ULTIMATE.start_main_~i~5 69), 51238#(<= ULTIMATE.start_main_~i~5 70), 51239#(<= ULTIMATE.start_main_~i~5 71), 51240#(<= ULTIMATE.start_main_~i~5 72), 51241#(<= ULTIMATE.start_main_~i~5 73), 51242#(<= ULTIMATE.start_main_~i~5 74), 51243#(<= ULTIMATE.start_main_~i~5 75), 51244#(<= ULTIMATE.start_main_~i~5 76), 51245#(<= ULTIMATE.start_main_~i~5 77), 51246#(<= ULTIMATE.start_main_~i~5 78), 51247#(<= ULTIMATE.start_main_~i~5 79), 51248#(<= ULTIMATE.start_main_~i~5 80), 51249#(<= ULTIMATE.start_main_~i~5 81), 51250#(<= ULTIMATE.start_main_~i~5 82), 51251#(<= ULTIMATE.start_main_~i~5 83), 51252#(<= ULTIMATE.start_main_~i~5 84), 51253#(<= ULTIMATE.start_main_~i~5 85), 51254#(<= ULTIMATE.start_main_~i~5 86), 51255#(<= ULTIMATE.start_main_~i~5 87), 51256#(<= ULTIMATE.start_main_~i~5 88), 51257#(<= ULTIMATE.start_main_~i~5 89), 51258#(<= ULTIMATE.start_main_~i~5 90), 51259#(<= ULTIMATE.start_main_~i~5 91), 51260#(<= ULTIMATE.start_main_~i~5 92), 51261#(<= ULTIMATE.start_main_~i~5 93), 51262#(<= ULTIMATE.start_main_~i~5 94), 51263#(<= ULTIMATE.start_main_~i~5 95), 51264#(<= ULTIMATE.start_main_~i~5 96), 51265#(<= ULTIMATE.start_main_~i~5 97), 51266#(<= ULTIMATE.start_main_~i~5 98), 51267#(<= ULTIMATE.start_main_~i~5 99), 51268#(<= ULTIMATE.start_main_~i~5 100), 51269#(<= ULTIMATE.start_main_~i~5 101), 51270#(<= ULTIMATE.start_main_~i~5 102), 51166#true, 51167#false, 51168#(<= ULTIMATE.start_main_~i~5 0), 51169#(<= ULTIMATE.start_main_~i~5 1), 51170#(<= ULTIMATE.start_main_~i~5 2), 51171#(<= ULTIMATE.start_main_~i~5 3), 51172#(<= ULTIMATE.start_main_~i~5 4), 51173#(<= ULTIMATE.start_main_~i~5 5), 51174#(<= ULTIMATE.start_main_~i~5 6), 51175#(<= ULTIMATE.start_main_~i~5 7), 51176#(<= ULTIMATE.start_main_~i~5 8), 51177#(<= ULTIMATE.start_main_~i~5 9), 51178#(<= ULTIMATE.start_main_~i~5 10), 51179#(<= ULTIMATE.start_main_~i~5 11), 51180#(<= ULTIMATE.start_main_~i~5 12), 51181#(<= ULTIMATE.start_main_~i~5 13), 51182#(<= ULTIMATE.start_main_~i~5 14), 51183#(<= ULTIMATE.start_main_~i~5 15), 51184#(<= ULTIMATE.start_main_~i~5 16), 51185#(<= ULTIMATE.start_main_~i~5 17), 51186#(<= ULTIMATE.start_main_~i~5 18), 51187#(<= ULTIMATE.start_main_~i~5 19), 51188#(<= ULTIMATE.start_main_~i~5 20), 51189#(<= ULTIMATE.start_main_~i~5 21), 51190#(<= ULTIMATE.start_main_~i~5 22), 51191#(<= ULTIMATE.start_main_~i~5 23), 51192#(<= ULTIMATE.start_main_~i~5 24), 51193#(<= ULTIMATE.start_main_~i~5 25), 51194#(<= ULTIMATE.start_main_~i~5 26), 51195#(<= ULTIMATE.start_main_~i~5 27), 51196#(<= ULTIMATE.start_main_~i~5 28), 51197#(<= ULTIMATE.start_main_~i~5 29), 51198#(<= ULTIMATE.start_main_~i~5 30), 51199#(<= ULTIMATE.start_main_~i~5 31)] [2018-07-23 13:41:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,896 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:41:23,897 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:41:23,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:41:23,898 INFO L87 Difference]: Start difference. First operand 211 states and 212 transitions. Second operand 105 states. [2018-07-23 13:41:24,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:24,035 INFO L93 Difference]: Finished difference Result 217 states and 219 transitions. [2018-07-23 13:41:24,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:41:24,035 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 210 [2018-07-23 13:41:24,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:24,036 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:41:24,036 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:41:24,037 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 13:41:24,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:41:24,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:41:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:41:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 214 transitions. [2018-07-23 13:41:24,042 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 214 transitions. Word has length 210 [2018-07-23 13:41:24,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:24,043 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 214 transitions. [2018-07-23 13:41:24,043 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:41:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 214 transitions. [2018-07-23 13:41:24,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:41:24,044 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:24,044 INFO L357 BasicCegarLoop]: trace histogram [104, 103, 1, 1, 1, 1, 1] [2018-07-23 13:41:24,044 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:24,045 INFO L82 PathProgramCache]: Analyzing trace with hash -781326817, now seen corresponding path program 103 times [2018-07-23 13:41:24,045 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,472 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:24,472 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:41:24,472 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:24,472 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 13:41:24,473 INFO L185 omatonBuilderFactory]: Interpolants [52224#(<= ULTIMATE.start_main_~i~5 91), 52225#(<= ULTIMATE.start_main_~i~5 92), 52226#(<= ULTIMATE.start_main_~i~5 93), 52227#(<= ULTIMATE.start_main_~i~5 94), 52228#(<= ULTIMATE.start_main_~i~5 95), 52229#(<= ULTIMATE.start_main_~i~5 96), 52230#(<= ULTIMATE.start_main_~i~5 97), 52231#(<= ULTIMATE.start_main_~i~5 98), 52232#(<= ULTIMATE.start_main_~i~5 99), 52233#(<= ULTIMATE.start_main_~i~5 100), 52234#(<= ULTIMATE.start_main_~i~5 101), 52235#(<= ULTIMATE.start_main_~i~5 102), 52236#(<= ULTIMATE.start_main_~i~5 103), 52131#true, 52132#false, 52133#(<= ULTIMATE.start_main_~i~5 0), 52134#(<= ULTIMATE.start_main_~i~5 1), 52135#(<= ULTIMATE.start_main_~i~5 2), 52136#(<= ULTIMATE.start_main_~i~5 3), 52137#(<= ULTIMATE.start_main_~i~5 4), 52138#(<= ULTIMATE.start_main_~i~5 5), 52139#(<= ULTIMATE.start_main_~i~5 6), 52140#(<= ULTIMATE.start_main_~i~5 7), 52141#(<= ULTIMATE.start_main_~i~5 8), 52142#(<= ULTIMATE.start_main_~i~5 9), 52143#(<= ULTIMATE.start_main_~i~5 10), 52144#(<= ULTIMATE.start_main_~i~5 11), 52145#(<= ULTIMATE.start_main_~i~5 12), 52146#(<= ULTIMATE.start_main_~i~5 13), 52147#(<= ULTIMATE.start_main_~i~5 14), 52148#(<= ULTIMATE.start_main_~i~5 15), 52149#(<= ULTIMATE.start_main_~i~5 16), 52150#(<= ULTIMATE.start_main_~i~5 17), 52151#(<= ULTIMATE.start_main_~i~5 18), 52152#(<= ULTIMATE.start_main_~i~5 19), 52153#(<= ULTIMATE.start_main_~i~5 20), 52154#(<= ULTIMATE.start_main_~i~5 21), 52155#(<= ULTIMATE.start_main_~i~5 22), 52156#(<= ULTIMATE.start_main_~i~5 23), 52157#(<= ULTIMATE.start_main_~i~5 24), 52158#(<= ULTIMATE.start_main_~i~5 25), 52159#(<= ULTIMATE.start_main_~i~5 26), 52160#(<= ULTIMATE.start_main_~i~5 27), 52161#(<= ULTIMATE.start_main_~i~5 28), 52162#(<= ULTIMATE.start_main_~i~5 29), 52163#(<= ULTIMATE.start_main_~i~5 30), 52164#(<= ULTIMATE.start_main_~i~5 31), 52165#(<= ULTIMATE.start_main_~i~5 32), 52166#(<= ULTIMATE.start_main_~i~5 33), 52167#(<= ULTIMATE.start_main_~i~5 34), 52168#(<= ULTIMATE.start_main_~i~5 35), 52169#(<= ULTIMATE.start_main_~i~5 36), 52170#(<= ULTIMATE.start_main_~i~5 37), 52171#(<= ULTIMATE.start_main_~i~5 38), 52172#(<= ULTIMATE.start_main_~i~5 39), 52173#(<= ULTIMATE.start_main_~i~5 40), 52174#(<= ULTIMATE.start_main_~i~5 41), 52175#(<= ULTIMATE.start_main_~i~5 42), 52176#(<= ULTIMATE.start_main_~i~5 43), 52177#(<= ULTIMATE.start_main_~i~5 44), 52178#(<= ULTIMATE.start_main_~i~5 45), 52179#(<= ULTIMATE.start_main_~i~5 46), 52180#(<= ULTIMATE.start_main_~i~5 47), 52181#(<= ULTIMATE.start_main_~i~5 48), 52182#(<= ULTIMATE.start_main_~i~5 49), 52183#(<= ULTIMATE.start_main_~i~5 50), 52184#(<= ULTIMATE.start_main_~i~5 51), 52185#(<= ULTIMATE.start_main_~i~5 52), 52186#(<= ULTIMATE.start_main_~i~5 53), 52187#(<= ULTIMATE.start_main_~i~5 54), 52188#(<= ULTIMATE.start_main_~i~5 55), 52189#(<= ULTIMATE.start_main_~i~5 56), 52190#(<= ULTIMATE.start_main_~i~5 57), 52191#(<= ULTIMATE.start_main_~i~5 58), 52192#(<= ULTIMATE.start_main_~i~5 59), 52193#(<= ULTIMATE.start_main_~i~5 60), 52194#(<= ULTIMATE.start_main_~i~5 61), 52195#(<= ULTIMATE.start_main_~i~5 62), 52196#(<= ULTIMATE.start_main_~i~5 63), 52197#(<= ULTIMATE.start_main_~i~5 64), 52198#(<= ULTIMATE.start_main_~i~5 65), 52199#(<= ULTIMATE.start_main_~i~5 66), 52200#(<= ULTIMATE.start_main_~i~5 67), 52201#(<= ULTIMATE.start_main_~i~5 68), 52202#(<= ULTIMATE.start_main_~i~5 69), 52203#(<= ULTIMATE.start_main_~i~5 70), 52204#(<= ULTIMATE.start_main_~i~5 71), 52205#(<= ULTIMATE.start_main_~i~5 72), 52206#(<= ULTIMATE.start_main_~i~5 73), 52207#(<= ULTIMATE.start_main_~i~5 74), 52208#(<= ULTIMATE.start_main_~i~5 75), 52209#(<= ULTIMATE.start_main_~i~5 76), 52210#(<= ULTIMATE.start_main_~i~5 77), 52211#(<= ULTIMATE.start_main_~i~5 78), 52212#(<= ULTIMATE.start_main_~i~5 79), 52213#(<= ULTIMATE.start_main_~i~5 80), 52214#(<= ULTIMATE.start_main_~i~5 81), 52215#(<= ULTIMATE.start_main_~i~5 82), 52216#(<= ULTIMATE.start_main_~i~5 83), 52217#(<= ULTIMATE.start_main_~i~5 84), 52218#(<= ULTIMATE.start_main_~i~5 85), 52219#(<= ULTIMATE.start_main_~i~5 86), 52220#(<= ULTIMATE.start_main_~i~5 87), 52221#(<= ULTIMATE.start_main_~i~5 88), 52222#(<= ULTIMATE.start_main_~i~5 89), 52223#(<= ULTIMATE.start_main_~i~5 90)] [2018-07-23 13:41:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,474 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:41:24,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:41:24,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:41:24,476 INFO L87 Difference]: Start difference. First operand 213 states and 214 transitions. Second operand 106 states. [2018-07-23 13:41:24,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:24,622 INFO L93 Difference]: Finished difference Result 219 states and 221 transitions. [2018-07-23 13:41:24,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:41:24,622 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 212 [2018-07-23 13:41:24,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:24,623 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:41:24,623 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:41:24,624 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 13:41:24,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:41:24,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:41:24,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:41:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 216 transitions. [2018-07-23 13:41:24,628 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 216 transitions. Word has length 212 [2018-07-23 13:41:24,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:24,629 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 216 transitions. [2018-07-23 13:41:24,629 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:41:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 216 transitions. [2018-07-23 13:41:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:41:24,629 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:24,630 INFO L357 BasicCegarLoop]: trace histogram [105, 104, 1, 1, 1, 1, 1] [2018-07-23 13:41:24,630 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:24,630 INFO L82 PathProgramCache]: Analyzing trace with hash 680647451, now seen corresponding path program 104 times [2018-07-23 13:41:24,630 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,042 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:25,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:41:25,043 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:25,043 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 13:41:25,043 INFO L185 omatonBuilderFactory]: Interpolants [53105#true, 53106#false, 53107#(<= ULTIMATE.start_main_~i~5 0), 53108#(<= ULTIMATE.start_main_~i~5 1), 53109#(<= ULTIMATE.start_main_~i~5 2), 53110#(<= ULTIMATE.start_main_~i~5 3), 53111#(<= ULTIMATE.start_main_~i~5 4), 53112#(<= ULTIMATE.start_main_~i~5 5), 53113#(<= ULTIMATE.start_main_~i~5 6), 53114#(<= ULTIMATE.start_main_~i~5 7), 53115#(<= ULTIMATE.start_main_~i~5 8), 53116#(<= ULTIMATE.start_main_~i~5 9), 53117#(<= ULTIMATE.start_main_~i~5 10), 53118#(<= ULTIMATE.start_main_~i~5 11), 53119#(<= ULTIMATE.start_main_~i~5 12), 53120#(<= ULTIMATE.start_main_~i~5 13), 53121#(<= ULTIMATE.start_main_~i~5 14), 53122#(<= ULTIMATE.start_main_~i~5 15), 53123#(<= ULTIMATE.start_main_~i~5 16), 53124#(<= ULTIMATE.start_main_~i~5 17), 53125#(<= ULTIMATE.start_main_~i~5 18), 53126#(<= ULTIMATE.start_main_~i~5 19), 53127#(<= ULTIMATE.start_main_~i~5 20), 53128#(<= ULTIMATE.start_main_~i~5 21), 53129#(<= ULTIMATE.start_main_~i~5 22), 53130#(<= ULTIMATE.start_main_~i~5 23), 53131#(<= ULTIMATE.start_main_~i~5 24), 53132#(<= ULTIMATE.start_main_~i~5 25), 53133#(<= ULTIMATE.start_main_~i~5 26), 53134#(<= ULTIMATE.start_main_~i~5 27), 53135#(<= ULTIMATE.start_main_~i~5 28), 53136#(<= ULTIMATE.start_main_~i~5 29), 53137#(<= ULTIMATE.start_main_~i~5 30), 53138#(<= ULTIMATE.start_main_~i~5 31), 53139#(<= ULTIMATE.start_main_~i~5 32), 53140#(<= ULTIMATE.start_main_~i~5 33), 53141#(<= ULTIMATE.start_main_~i~5 34), 53142#(<= ULTIMATE.start_main_~i~5 35), 53143#(<= ULTIMATE.start_main_~i~5 36), 53144#(<= ULTIMATE.start_main_~i~5 37), 53145#(<= ULTIMATE.start_main_~i~5 38), 53146#(<= ULTIMATE.start_main_~i~5 39), 53147#(<= ULTIMATE.start_main_~i~5 40), 53148#(<= ULTIMATE.start_main_~i~5 41), 53149#(<= ULTIMATE.start_main_~i~5 42), 53150#(<= ULTIMATE.start_main_~i~5 43), 53151#(<= ULTIMATE.start_main_~i~5 44), 53152#(<= ULTIMATE.start_main_~i~5 45), 53153#(<= ULTIMATE.start_main_~i~5 46), 53154#(<= ULTIMATE.start_main_~i~5 47), 53155#(<= ULTIMATE.start_main_~i~5 48), 53156#(<= ULTIMATE.start_main_~i~5 49), 53157#(<= ULTIMATE.start_main_~i~5 50), 53158#(<= ULTIMATE.start_main_~i~5 51), 53159#(<= ULTIMATE.start_main_~i~5 52), 53160#(<= ULTIMATE.start_main_~i~5 53), 53161#(<= ULTIMATE.start_main_~i~5 54), 53162#(<= ULTIMATE.start_main_~i~5 55), 53163#(<= ULTIMATE.start_main_~i~5 56), 53164#(<= ULTIMATE.start_main_~i~5 57), 53165#(<= ULTIMATE.start_main_~i~5 58), 53166#(<= ULTIMATE.start_main_~i~5 59), 53167#(<= ULTIMATE.start_main_~i~5 60), 53168#(<= ULTIMATE.start_main_~i~5 61), 53169#(<= ULTIMATE.start_main_~i~5 62), 53170#(<= ULTIMATE.start_main_~i~5 63), 53171#(<= ULTIMATE.start_main_~i~5 64), 53172#(<= ULTIMATE.start_main_~i~5 65), 53173#(<= ULTIMATE.start_main_~i~5 66), 53174#(<= ULTIMATE.start_main_~i~5 67), 53175#(<= ULTIMATE.start_main_~i~5 68), 53176#(<= ULTIMATE.start_main_~i~5 69), 53177#(<= ULTIMATE.start_main_~i~5 70), 53178#(<= ULTIMATE.start_main_~i~5 71), 53179#(<= ULTIMATE.start_main_~i~5 72), 53180#(<= ULTIMATE.start_main_~i~5 73), 53181#(<= ULTIMATE.start_main_~i~5 74), 53182#(<= ULTIMATE.start_main_~i~5 75), 53183#(<= ULTIMATE.start_main_~i~5 76), 53184#(<= ULTIMATE.start_main_~i~5 77), 53185#(<= ULTIMATE.start_main_~i~5 78), 53186#(<= ULTIMATE.start_main_~i~5 79), 53187#(<= ULTIMATE.start_main_~i~5 80), 53188#(<= ULTIMATE.start_main_~i~5 81), 53189#(<= ULTIMATE.start_main_~i~5 82), 53190#(<= ULTIMATE.start_main_~i~5 83), 53191#(<= ULTIMATE.start_main_~i~5 84), 53192#(<= ULTIMATE.start_main_~i~5 85), 53193#(<= ULTIMATE.start_main_~i~5 86), 53194#(<= ULTIMATE.start_main_~i~5 87), 53195#(<= ULTIMATE.start_main_~i~5 88), 53196#(<= ULTIMATE.start_main_~i~5 89), 53197#(<= ULTIMATE.start_main_~i~5 90), 53198#(<= ULTIMATE.start_main_~i~5 91), 53199#(<= ULTIMATE.start_main_~i~5 92), 53200#(<= ULTIMATE.start_main_~i~5 93), 53201#(<= ULTIMATE.start_main_~i~5 94), 53202#(<= ULTIMATE.start_main_~i~5 95), 53203#(<= ULTIMATE.start_main_~i~5 96), 53204#(<= ULTIMATE.start_main_~i~5 97), 53205#(<= ULTIMATE.start_main_~i~5 98), 53206#(<= ULTIMATE.start_main_~i~5 99), 53207#(<= ULTIMATE.start_main_~i~5 100), 53208#(<= ULTIMATE.start_main_~i~5 101), 53209#(<= ULTIMATE.start_main_~i~5 102), 53210#(<= ULTIMATE.start_main_~i~5 103), 53211#(<= ULTIMATE.start_main_~i~5 104)] [2018-07-23 13:41:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,044 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:41:25,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:41:25,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:41:25,046 INFO L87 Difference]: Start difference. First operand 215 states and 216 transitions. Second operand 107 states. [2018-07-23 13:41:25,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:25,252 INFO L93 Difference]: Finished difference Result 221 states and 223 transitions. [2018-07-23 13:41:25,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:41:25,252 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 214 [2018-07-23 13:41:25,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:25,253 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:41:25,253 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:41:25,254 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 13:41:25,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:41:25,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:41:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:41:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 218 transitions. [2018-07-23 13:41:25,259 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 218 transitions. Word has length 214 [2018-07-23 13:41:25,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:25,260 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 218 transitions. [2018-07-23 13:41:25,260 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:41:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 218 transitions. [2018-07-23 13:41:25,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:41:25,261 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:25,261 INFO L357 BasicCegarLoop]: trace histogram [106, 105, 1, 1, 1, 1, 1] [2018-07-23 13:41:25,261 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:25,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1183613207, now seen corresponding path program 105 times [2018-07-23 13:41:25,261 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:25,880 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,881 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:25,881 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:41:25,881 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:25,881 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 13:41:25,882 INFO L185 omatonBuilderFactory]: Interpolants [54088#true, 54089#false, 54090#(<= ULTIMATE.start_main_~i~5 0), 54091#(<= ULTIMATE.start_main_~i~5 1), 54092#(<= ULTIMATE.start_main_~i~5 2), 54093#(<= ULTIMATE.start_main_~i~5 3), 54094#(<= ULTIMATE.start_main_~i~5 4), 54095#(<= ULTIMATE.start_main_~i~5 5), 54096#(<= ULTIMATE.start_main_~i~5 6), 54097#(<= ULTIMATE.start_main_~i~5 7), 54098#(<= ULTIMATE.start_main_~i~5 8), 54099#(<= ULTIMATE.start_main_~i~5 9), 54100#(<= ULTIMATE.start_main_~i~5 10), 54101#(<= ULTIMATE.start_main_~i~5 11), 54102#(<= ULTIMATE.start_main_~i~5 12), 54103#(<= ULTIMATE.start_main_~i~5 13), 54104#(<= ULTIMATE.start_main_~i~5 14), 54105#(<= ULTIMATE.start_main_~i~5 15), 54106#(<= ULTIMATE.start_main_~i~5 16), 54107#(<= ULTIMATE.start_main_~i~5 17), 54108#(<= ULTIMATE.start_main_~i~5 18), 54109#(<= ULTIMATE.start_main_~i~5 19), 54110#(<= ULTIMATE.start_main_~i~5 20), 54111#(<= ULTIMATE.start_main_~i~5 21), 54112#(<= ULTIMATE.start_main_~i~5 22), 54113#(<= ULTIMATE.start_main_~i~5 23), 54114#(<= ULTIMATE.start_main_~i~5 24), 54115#(<= ULTIMATE.start_main_~i~5 25), 54116#(<= ULTIMATE.start_main_~i~5 26), 54117#(<= ULTIMATE.start_main_~i~5 27), 54118#(<= ULTIMATE.start_main_~i~5 28), 54119#(<= ULTIMATE.start_main_~i~5 29), 54120#(<= ULTIMATE.start_main_~i~5 30), 54121#(<= ULTIMATE.start_main_~i~5 31), 54122#(<= ULTIMATE.start_main_~i~5 32), 54123#(<= ULTIMATE.start_main_~i~5 33), 54124#(<= ULTIMATE.start_main_~i~5 34), 54125#(<= ULTIMATE.start_main_~i~5 35), 54126#(<= ULTIMATE.start_main_~i~5 36), 54127#(<= ULTIMATE.start_main_~i~5 37), 54128#(<= ULTIMATE.start_main_~i~5 38), 54129#(<= ULTIMATE.start_main_~i~5 39), 54130#(<= ULTIMATE.start_main_~i~5 40), 54131#(<= ULTIMATE.start_main_~i~5 41), 54132#(<= ULTIMATE.start_main_~i~5 42), 54133#(<= ULTIMATE.start_main_~i~5 43), 54134#(<= ULTIMATE.start_main_~i~5 44), 54135#(<= ULTIMATE.start_main_~i~5 45), 54136#(<= ULTIMATE.start_main_~i~5 46), 54137#(<= ULTIMATE.start_main_~i~5 47), 54138#(<= ULTIMATE.start_main_~i~5 48), 54139#(<= ULTIMATE.start_main_~i~5 49), 54140#(<= ULTIMATE.start_main_~i~5 50), 54141#(<= ULTIMATE.start_main_~i~5 51), 54142#(<= ULTIMATE.start_main_~i~5 52), 54143#(<= ULTIMATE.start_main_~i~5 53), 54144#(<= ULTIMATE.start_main_~i~5 54), 54145#(<= ULTIMATE.start_main_~i~5 55), 54146#(<= ULTIMATE.start_main_~i~5 56), 54147#(<= ULTIMATE.start_main_~i~5 57), 54148#(<= ULTIMATE.start_main_~i~5 58), 54149#(<= ULTIMATE.start_main_~i~5 59), 54150#(<= ULTIMATE.start_main_~i~5 60), 54151#(<= ULTIMATE.start_main_~i~5 61), 54152#(<= ULTIMATE.start_main_~i~5 62), 54153#(<= ULTIMATE.start_main_~i~5 63), 54154#(<= ULTIMATE.start_main_~i~5 64), 54155#(<= ULTIMATE.start_main_~i~5 65), 54156#(<= ULTIMATE.start_main_~i~5 66), 54157#(<= ULTIMATE.start_main_~i~5 67), 54158#(<= ULTIMATE.start_main_~i~5 68), 54159#(<= ULTIMATE.start_main_~i~5 69), 54160#(<= ULTIMATE.start_main_~i~5 70), 54161#(<= ULTIMATE.start_main_~i~5 71), 54162#(<= ULTIMATE.start_main_~i~5 72), 54163#(<= ULTIMATE.start_main_~i~5 73), 54164#(<= ULTIMATE.start_main_~i~5 74), 54165#(<= ULTIMATE.start_main_~i~5 75), 54166#(<= ULTIMATE.start_main_~i~5 76), 54167#(<= ULTIMATE.start_main_~i~5 77), 54168#(<= ULTIMATE.start_main_~i~5 78), 54169#(<= ULTIMATE.start_main_~i~5 79), 54170#(<= ULTIMATE.start_main_~i~5 80), 54171#(<= ULTIMATE.start_main_~i~5 81), 54172#(<= ULTIMATE.start_main_~i~5 82), 54173#(<= ULTIMATE.start_main_~i~5 83), 54174#(<= ULTIMATE.start_main_~i~5 84), 54175#(<= ULTIMATE.start_main_~i~5 85), 54176#(<= ULTIMATE.start_main_~i~5 86), 54177#(<= ULTIMATE.start_main_~i~5 87), 54178#(<= ULTIMATE.start_main_~i~5 88), 54179#(<= ULTIMATE.start_main_~i~5 89), 54180#(<= ULTIMATE.start_main_~i~5 90), 54181#(<= ULTIMATE.start_main_~i~5 91), 54182#(<= ULTIMATE.start_main_~i~5 92), 54183#(<= ULTIMATE.start_main_~i~5 93), 54184#(<= ULTIMATE.start_main_~i~5 94), 54185#(<= ULTIMATE.start_main_~i~5 95), 54186#(<= ULTIMATE.start_main_~i~5 96), 54187#(<= ULTIMATE.start_main_~i~5 97), 54188#(<= ULTIMATE.start_main_~i~5 98), 54189#(<= ULTIMATE.start_main_~i~5 99), 54190#(<= ULTIMATE.start_main_~i~5 100), 54191#(<= ULTIMATE.start_main_~i~5 101), 54192#(<= ULTIMATE.start_main_~i~5 102), 54193#(<= ULTIMATE.start_main_~i~5 103), 54194#(<= ULTIMATE.start_main_~i~5 104), 54195#(<= ULTIMATE.start_main_~i~5 105)] [2018-07-23 13:41:25,882 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,883 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:41:25,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:41:25,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:41:25,884 INFO L87 Difference]: Start difference. First operand 217 states and 218 transitions. Second operand 108 states. [2018-07-23 13:41:26,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:26,042 INFO L93 Difference]: Finished difference Result 223 states and 225 transitions. [2018-07-23 13:41:26,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:41:26,042 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 216 [2018-07-23 13:41:26,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:26,043 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:41:26,043 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:41:26,044 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:41:26,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:41:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:41:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:41:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 220 transitions. [2018-07-23 13:41:26,050 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 220 transitions. Word has length 216 [2018-07-23 13:41:26,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:26,051 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 220 transitions. [2018-07-23 13:41:26,051 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:41:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 220 transitions. [2018-07-23 13:41:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:41:26,052 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:26,052 INFO L357 BasicCegarLoop]: trace histogram [107, 106, 1, 1, 1, 1, 1] [2018-07-23 13:41:26,052 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:26,053 INFO L82 PathProgramCache]: Analyzing trace with hash -797599725, now seen corresponding path program 106 times [2018-07-23 13:41:26,053 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,500 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:26,500 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:41:26,500 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:26,500 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 13:41:26,501 INFO L185 omatonBuilderFactory]: Interpolants [55080#true, 55081#false, 55082#(<= ULTIMATE.start_main_~i~5 0), 55083#(<= ULTIMATE.start_main_~i~5 1), 55084#(<= ULTIMATE.start_main_~i~5 2), 55085#(<= ULTIMATE.start_main_~i~5 3), 55086#(<= ULTIMATE.start_main_~i~5 4), 55087#(<= ULTIMATE.start_main_~i~5 5), 55088#(<= ULTIMATE.start_main_~i~5 6), 55089#(<= ULTIMATE.start_main_~i~5 7), 55090#(<= ULTIMATE.start_main_~i~5 8), 55091#(<= ULTIMATE.start_main_~i~5 9), 55092#(<= ULTIMATE.start_main_~i~5 10), 55093#(<= ULTIMATE.start_main_~i~5 11), 55094#(<= ULTIMATE.start_main_~i~5 12), 55095#(<= ULTIMATE.start_main_~i~5 13), 55096#(<= ULTIMATE.start_main_~i~5 14), 55097#(<= ULTIMATE.start_main_~i~5 15), 55098#(<= ULTIMATE.start_main_~i~5 16), 55099#(<= ULTIMATE.start_main_~i~5 17), 55100#(<= ULTIMATE.start_main_~i~5 18), 55101#(<= ULTIMATE.start_main_~i~5 19), 55102#(<= ULTIMATE.start_main_~i~5 20), 55103#(<= ULTIMATE.start_main_~i~5 21), 55104#(<= ULTIMATE.start_main_~i~5 22), 55105#(<= ULTIMATE.start_main_~i~5 23), 55106#(<= ULTIMATE.start_main_~i~5 24), 55107#(<= ULTIMATE.start_main_~i~5 25), 55108#(<= ULTIMATE.start_main_~i~5 26), 55109#(<= ULTIMATE.start_main_~i~5 27), 55110#(<= ULTIMATE.start_main_~i~5 28), 55111#(<= ULTIMATE.start_main_~i~5 29), 55112#(<= ULTIMATE.start_main_~i~5 30), 55113#(<= ULTIMATE.start_main_~i~5 31), 55114#(<= ULTIMATE.start_main_~i~5 32), 55115#(<= ULTIMATE.start_main_~i~5 33), 55116#(<= ULTIMATE.start_main_~i~5 34), 55117#(<= ULTIMATE.start_main_~i~5 35), 55118#(<= ULTIMATE.start_main_~i~5 36), 55119#(<= ULTIMATE.start_main_~i~5 37), 55120#(<= ULTIMATE.start_main_~i~5 38), 55121#(<= ULTIMATE.start_main_~i~5 39), 55122#(<= ULTIMATE.start_main_~i~5 40), 55123#(<= ULTIMATE.start_main_~i~5 41), 55124#(<= ULTIMATE.start_main_~i~5 42), 55125#(<= ULTIMATE.start_main_~i~5 43), 55126#(<= ULTIMATE.start_main_~i~5 44), 55127#(<= ULTIMATE.start_main_~i~5 45), 55128#(<= ULTIMATE.start_main_~i~5 46), 55129#(<= ULTIMATE.start_main_~i~5 47), 55130#(<= ULTIMATE.start_main_~i~5 48), 55131#(<= ULTIMATE.start_main_~i~5 49), 55132#(<= ULTIMATE.start_main_~i~5 50), 55133#(<= ULTIMATE.start_main_~i~5 51), 55134#(<= ULTIMATE.start_main_~i~5 52), 55135#(<= ULTIMATE.start_main_~i~5 53), 55136#(<= ULTIMATE.start_main_~i~5 54), 55137#(<= ULTIMATE.start_main_~i~5 55), 55138#(<= ULTIMATE.start_main_~i~5 56), 55139#(<= ULTIMATE.start_main_~i~5 57), 55140#(<= ULTIMATE.start_main_~i~5 58), 55141#(<= ULTIMATE.start_main_~i~5 59), 55142#(<= ULTIMATE.start_main_~i~5 60), 55143#(<= ULTIMATE.start_main_~i~5 61), 55144#(<= ULTIMATE.start_main_~i~5 62), 55145#(<= ULTIMATE.start_main_~i~5 63), 55146#(<= ULTIMATE.start_main_~i~5 64), 55147#(<= ULTIMATE.start_main_~i~5 65), 55148#(<= ULTIMATE.start_main_~i~5 66), 55149#(<= ULTIMATE.start_main_~i~5 67), 55150#(<= ULTIMATE.start_main_~i~5 68), 55151#(<= ULTIMATE.start_main_~i~5 69), 55152#(<= ULTIMATE.start_main_~i~5 70), 55153#(<= ULTIMATE.start_main_~i~5 71), 55154#(<= ULTIMATE.start_main_~i~5 72), 55155#(<= ULTIMATE.start_main_~i~5 73), 55156#(<= ULTIMATE.start_main_~i~5 74), 55157#(<= ULTIMATE.start_main_~i~5 75), 55158#(<= ULTIMATE.start_main_~i~5 76), 55159#(<= ULTIMATE.start_main_~i~5 77), 55160#(<= ULTIMATE.start_main_~i~5 78), 55161#(<= ULTIMATE.start_main_~i~5 79), 55162#(<= ULTIMATE.start_main_~i~5 80), 55163#(<= ULTIMATE.start_main_~i~5 81), 55164#(<= ULTIMATE.start_main_~i~5 82), 55165#(<= ULTIMATE.start_main_~i~5 83), 55166#(<= ULTIMATE.start_main_~i~5 84), 55167#(<= ULTIMATE.start_main_~i~5 85), 55168#(<= ULTIMATE.start_main_~i~5 86), 55169#(<= ULTIMATE.start_main_~i~5 87), 55170#(<= ULTIMATE.start_main_~i~5 88), 55171#(<= ULTIMATE.start_main_~i~5 89), 55172#(<= ULTIMATE.start_main_~i~5 90), 55173#(<= ULTIMATE.start_main_~i~5 91), 55174#(<= ULTIMATE.start_main_~i~5 92), 55175#(<= ULTIMATE.start_main_~i~5 93), 55176#(<= ULTIMATE.start_main_~i~5 94), 55177#(<= ULTIMATE.start_main_~i~5 95), 55178#(<= ULTIMATE.start_main_~i~5 96), 55179#(<= ULTIMATE.start_main_~i~5 97), 55180#(<= ULTIMATE.start_main_~i~5 98), 55181#(<= ULTIMATE.start_main_~i~5 99), 55182#(<= ULTIMATE.start_main_~i~5 100), 55183#(<= ULTIMATE.start_main_~i~5 101), 55184#(<= ULTIMATE.start_main_~i~5 102), 55185#(<= ULTIMATE.start_main_~i~5 103), 55186#(<= ULTIMATE.start_main_~i~5 104), 55187#(<= ULTIMATE.start_main_~i~5 105), 55188#(<= ULTIMATE.start_main_~i~5 106)] [2018-07-23 13:41:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,501 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:41:26,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:41:26,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:41:26,503 INFO L87 Difference]: Start difference. First operand 219 states and 220 transitions. Second operand 109 states. [2018-07-23 13:41:26,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:26,671 INFO L93 Difference]: Finished difference Result 225 states and 227 transitions. [2018-07-23 13:41:26,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:41:26,671 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 218 [2018-07-23 13:41:26,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:26,671 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:41:26,672 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:41:26,672 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 13:41:26,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:41:26,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:41:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:41:26,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 222 transitions. [2018-07-23 13:41:26,679 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 222 transitions. Word has length 218 [2018-07-23 13:41:26,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:26,679 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 222 transitions. [2018-07-23 13:41:26,679 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:41:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 222 transitions. [2018-07-23 13:41:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:41:26,680 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:26,681 INFO L357 BasicCegarLoop]: trace histogram [108, 107, 1, 1, 1, 1, 1] [2018-07-23 13:41:26,681 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:26,681 INFO L82 PathProgramCache]: Analyzing trace with hash -2072715249, now seen corresponding path program 107 times [2018-07-23 13:41:26,681 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:27,089 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,089 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:27,089 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:41:27,089 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:27,089 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 13:41:27,090 INFO L185 omatonBuilderFactory]: Interpolants [56081#true, 56082#false, 56083#(<= ULTIMATE.start_main_~i~5 0), 56084#(<= ULTIMATE.start_main_~i~5 1), 56085#(<= ULTIMATE.start_main_~i~5 2), 56086#(<= ULTIMATE.start_main_~i~5 3), 56087#(<= ULTIMATE.start_main_~i~5 4), 56088#(<= ULTIMATE.start_main_~i~5 5), 56089#(<= ULTIMATE.start_main_~i~5 6), 56090#(<= ULTIMATE.start_main_~i~5 7), 56091#(<= ULTIMATE.start_main_~i~5 8), 56092#(<= ULTIMATE.start_main_~i~5 9), 56093#(<= ULTIMATE.start_main_~i~5 10), 56094#(<= ULTIMATE.start_main_~i~5 11), 56095#(<= ULTIMATE.start_main_~i~5 12), 56096#(<= ULTIMATE.start_main_~i~5 13), 56097#(<= ULTIMATE.start_main_~i~5 14), 56098#(<= ULTIMATE.start_main_~i~5 15), 56099#(<= ULTIMATE.start_main_~i~5 16), 56100#(<= ULTIMATE.start_main_~i~5 17), 56101#(<= ULTIMATE.start_main_~i~5 18), 56102#(<= ULTIMATE.start_main_~i~5 19), 56103#(<= ULTIMATE.start_main_~i~5 20), 56104#(<= ULTIMATE.start_main_~i~5 21), 56105#(<= ULTIMATE.start_main_~i~5 22), 56106#(<= ULTIMATE.start_main_~i~5 23), 56107#(<= ULTIMATE.start_main_~i~5 24), 56108#(<= ULTIMATE.start_main_~i~5 25), 56109#(<= ULTIMATE.start_main_~i~5 26), 56110#(<= ULTIMATE.start_main_~i~5 27), 56111#(<= ULTIMATE.start_main_~i~5 28), 56112#(<= ULTIMATE.start_main_~i~5 29), 56113#(<= ULTIMATE.start_main_~i~5 30), 56114#(<= ULTIMATE.start_main_~i~5 31), 56115#(<= ULTIMATE.start_main_~i~5 32), 56116#(<= ULTIMATE.start_main_~i~5 33), 56117#(<= ULTIMATE.start_main_~i~5 34), 56118#(<= ULTIMATE.start_main_~i~5 35), 56119#(<= ULTIMATE.start_main_~i~5 36), 56120#(<= ULTIMATE.start_main_~i~5 37), 56121#(<= ULTIMATE.start_main_~i~5 38), 56122#(<= ULTIMATE.start_main_~i~5 39), 56123#(<= ULTIMATE.start_main_~i~5 40), 56124#(<= ULTIMATE.start_main_~i~5 41), 56125#(<= ULTIMATE.start_main_~i~5 42), 56126#(<= ULTIMATE.start_main_~i~5 43), 56127#(<= ULTIMATE.start_main_~i~5 44), 56128#(<= ULTIMATE.start_main_~i~5 45), 56129#(<= ULTIMATE.start_main_~i~5 46), 56130#(<= ULTIMATE.start_main_~i~5 47), 56131#(<= ULTIMATE.start_main_~i~5 48), 56132#(<= ULTIMATE.start_main_~i~5 49), 56133#(<= ULTIMATE.start_main_~i~5 50), 56134#(<= ULTIMATE.start_main_~i~5 51), 56135#(<= ULTIMATE.start_main_~i~5 52), 56136#(<= ULTIMATE.start_main_~i~5 53), 56137#(<= ULTIMATE.start_main_~i~5 54), 56138#(<= ULTIMATE.start_main_~i~5 55), 56139#(<= ULTIMATE.start_main_~i~5 56), 56140#(<= ULTIMATE.start_main_~i~5 57), 56141#(<= ULTIMATE.start_main_~i~5 58), 56142#(<= ULTIMATE.start_main_~i~5 59), 56143#(<= ULTIMATE.start_main_~i~5 60), 56144#(<= ULTIMATE.start_main_~i~5 61), 56145#(<= ULTIMATE.start_main_~i~5 62), 56146#(<= ULTIMATE.start_main_~i~5 63), 56147#(<= ULTIMATE.start_main_~i~5 64), 56148#(<= ULTIMATE.start_main_~i~5 65), 56149#(<= ULTIMATE.start_main_~i~5 66), 56150#(<= ULTIMATE.start_main_~i~5 67), 56151#(<= ULTIMATE.start_main_~i~5 68), 56152#(<= ULTIMATE.start_main_~i~5 69), 56153#(<= ULTIMATE.start_main_~i~5 70), 56154#(<= ULTIMATE.start_main_~i~5 71), 56155#(<= ULTIMATE.start_main_~i~5 72), 56156#(<= ULTIMATE.start_main_~i~5 73), 56157#(<= ULTIMATE.start_main_~i~5 74), 56158#(<= ULTIMATE.start_main_~i~5 75), 56159#(<= ULTIMATE.start_main_~i~5 76), 56160#(<= ULTIMATE.start_main_~i~5 77), 56161#(<= ULTIMATE.start_main_~i~5 78), 56162#(<= ULTIMATE.start_main_~i~5 79), 56163#(<= ULTIMATE.start_main_~i~5 80), 56164#(<= ULTIMATE.start_main_~i~5 81), 56165#(<= ULTIMATE.start_main_~i~5 82), 56166#(<= ULTIMATE.start_main_~i~5 83), 56167#(<= ULTIMATE.start_main_~i~5 84), 56168#(<= ULTIMATE.start_main_~i~5 85), 56169#(<= ULTIMATE.start_main_~i~5 86), 56170#(<= ULTIMATE.start_main_~i~5 87), 56171#(<= ULTIMATE.start_main_~i~5 88), 56172#(<= ULTIMATE.start_main_~i~5 89), 56173#(<= ULTIMATE.start_main_~i~5 90), 56174#(<= ULTIMATE.start_main_~i~5 91), 56175#(<= ULTIMATE.start_main_~i~5 92), 56176#(<= ULTIMATE.start_main_~i~5 93), 56177#(<= ULTIMATE.start_main_~i~5 94), 56178#(<= ULTIMATE.start_main_~i~5 95), 56179#(<= ULTIMATE.start_main_~i~5 96), 56180#(<= ULTIMATE.start_main_~i~5 97), 56181#(<= ULTIMATE.start_main_~i~5 98), 56182#(<= ULTIMATE.start_main_~i~5 99), 56183#(<= ULTIMATE.start_main_~i~5 100), 56184#(<= ULTIMATE.start_main_~i~5 101), 56185#(<= ULTIMATE.start_main_~i~5 102), 56186#(<= ULTIMATE.start_main_~i~5 103), 56187#(<= ULTIMATE.start_main_~i~5 104), 56188#(<= ULTIMATE.start_main_~i~5 105), 56189#(<= ULTIMATE.start_main_~i~5 106), 56190#(<= ULTIMATE.start_main_~i~5 107)] [2018-07-23 13:41:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,091 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:41:27,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:41:27,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:41:27,093 INFO L87 Difference]: Start difference. First operand 221 states and 222 transitions. Second operand 110 states. [2018-07-23 13:41:27,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:27,346 INFO L93 Difference]: Finished difference Result 227 states and 229 transitions. [2018-07-23 13:41:27,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:41:27,347 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 220 [2018-07-23 13:41:27,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:27,347 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:41:27,347 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:41:27,348 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 13:41:27,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:41:27,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:41:27,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:41:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 224 transitions. [2018-07-23 13:41:27,354 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 224 transitions. Word has length 220 [2018-07-23 13:41:27,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:27,354 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 224 transitions. [2018-07-23 13:41:27,354 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:41:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 224 transitions. [2018-07-23 13:41:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:41:27,355 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:27,355 INFO L357 BasicCegarLoop]: trace histogram [109, 108, 1, 1, 1, 1, 1] [2018-07-23 13:41:27,356 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:27,356 INFO L82 PathProgramCache]: Analyzing trace with hash 901912843, now seen corresponding path program 108 times [2018-07-23 13:41:27,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,784 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:27,784 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:41:27,785 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:27,785 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 13:41:27,785 INFO L185 omatonBuilderFactory]: Interpolants [57091#true, 57092#false, 57093#(<= ULTIMATE.start_main_~i~5 0), 57094#(<= ULTIMATE.start_main_~i~5 1), 57095#(<= ULTIMATE.start_main_~i~5 2), 57096#(<= ULTIMATE.start_main_~i~5 3), 57097#(<= ULTIMATE.start_main_~i~5 4), 57098#(<= ULTIMATE.start_main_~i~5 5), 57099#(<= ULTIMATE.start_main_~i~5 6), 57100#(<= ULTIMATE.start_main_~i~5 7), 57101#(<= ULTIMATE.start_main_~i~5 8), 57102#(<= ULTIMATE.start_main_~i~5 9), 57103#(<= ULTIMATE.start_main_~i~5 10), 57104#(<= ULTIMATE.start_main_~i~5 11), 57105#(<= ULTIMATE.start_main_~i~5 12), 57106#(<= ULTIMATE.start_main_~i~5 13), 57107#(<= ULTIMATE.start_main_~i~5 14), 57108#(<= ULTIMATE.start_main_~i~5 15), 57109#(<= ULTIMATE.start_main_~i~5 16), 57110#(<= ULTIMATE.start_main_~i~5 17), 57111#(<= ULTIMATE.start_main_~i~5 18), 57112#(<= ULTIMATE.start_main_~i~5 19), 57113#(<= ULTIMATE.start_main_~i~5 20), 57114#(<= ULTIMATE.start_main_~i~5 21), 57115#(<= ULTIMATE.start_main_~i~5 22), 57116#(<= ULTIMATE.start_main_~i~5 23), 57117#(<= ULTIMATE.start_main_~i~5 24), 57118#(<= ULTIMATE.start_main_~i~5 25), 57119#(<= ULTIMATE.start_main_~i~5 26), 57120#(<= ULTIMATE.start_main_~i~5 27), 57121#(<= ULTIMATE.start_main_~i~5 28), 57122#(<= ULTIMATE.start_main_~i~5 29), 57123#(<= ULTIMATE.start_main_~i~5 30), 57124#(<= ULTIMATE.start_main_~i~5 31), 57125#(<= ULTIMATE.start_main_~i~5 32), 57126#(<= ULTIMATE.start_main_~i~5 33), 57127#(<= ULTIMATE.start_main_~i~5 34), 57128#(<= ULTIMATE.start_main_~i~5 35), 57129#(<= ULTIMATE.start_main_~i~5 36), 57130#(<= ULTIMATE.start_main_~i~5 37), 57131#(<= ULTIMATE.start_main_~i~5 38), 57132#(<= ULTIMATE.start_main_~i~5 39), 57133#(<= ULTIMATE.start_main_~i~5 40), 57134#(<= ULTIMATE.start_main_~i~5 41), 57135#(<= ULTIMATE.start_main_~i~5 42), 57136#(<= ULTIMATE.start_main_~i~5 43), 57137#(<= ULTIMATE.start_main_~i~5 44), 57138#(<= ULTIMATE.start_main_~i~5 45), 57139#(<= ULTIMATE.start_main_~i~5 46), 57140#(<= ULTIMATE.start_main_~i~5 47), 57141#(<= ULTIMATE.start_main_~i~5 48), 57142#(<= ULTIMATE.start_main_~i~5 49), 57143#(<= ULTIMATE.start_main_~i~5 50), 57144#(<= ULTIMATE.start_main_~i~5 51), 57145#(<= ULTIMATE.start_main_~i~5 52), 57146#(<= ULTIMATE.start_main_~i~5 53), 57147#(<= ULTIMATE.start_main_~i~5 54), 57148#(<= ULTIMATE.start_main_~i~5 55), 57149#(<= ULTIMATE.start_main_~i~5 56), 57150#(<= ULTIMATE.start_main_~i~5 57), 57151#(<= ULTIMATE.start_main_~i~5 58), 57152#(<= ULTIMATE.start_main_~i~5 59), 57153#(<= ULTIMATE.start_main_~i~5 60), 57154#(<= ULTIMATE.start_main_~i~5 61), 57155#(<= ULTIMATE.start_main_~i~5 62), 57156#(<= ULTIMATE.start_main_~i~5 63), 57157#(<= ULTIMATE.start_main_~i~5 64), 57158#(<= ULTIMATE.start_main_~i~5 65), 57159#(<= ULTIMATE.start_main_~i~5 66), 57160#(<= ULTIMATE.start_main_~i~5 67), 57161#(<= ULTIMATE.start_main_~i~5 68), 57162#(<= ULTIMATE.start_main_~i~5 69), 57163#(<= ULTIMATE.start_main_~i~5 70), 57164#(<= ULTIMATE.start_main_~i~5 71), 57165#(<= ULTIMATE.start_main_~i~5 72), 57166#(<= ULTIMATE.start_main_~i~5 73), 57167#(<= ULTIMATE.start_main_~i~5 74), 57168#(<= ULTIMATE.start_main_~i~5 75), 57169#(<= ULTIMATE.start_main_~i~5 76), 57170#(<= ULTIMATE.start_main_~i~5 77), 57171#(<= ULTIMATE.start_main_~i~5 78), 57172#(<= ULTIMATE.start_main_~i~5 79), 57173#(<= ULTIMATE.start_main_~i~5 80), 57174#(<= ULTIMATE.start_main_~i~5 81), 57175#(<= ULTIMATE.start_main_~i~5 82), 57176#(<= ULTIMATE.start_main_~i~5 83), 57177#(<= ULTIMATE.start_main_~i~5 84), 57178#(<= ULTIMATE.start_main_~i~5 85), 57179#(<= ULTIMATE.start_main_~i~5 86), 57180#(<= ULTIMATE.start_main_~i~5 87), 57181#(<= ULTIMATE.start_main_~i~5 88), 57182#(<= ULTIMATE.start_main_~i~5 89), 57183#(<= ULTIMATE.start_main_~i~5 90), 57184#(<= ULTIMATE.start_main_~i~5 91), 57185#(<= ULTIMATE.start_main_~i~5 92), 57186#(<= ULTIMATE.start_main_~i~5 93), 57187#(<= ULTIMATE.start_main_~i~5 94), 57188#(<= ULTIMATE.start_main_~i~5 95), 57189#(<= ULTIMATE.start_main_~i~5 96), 57190#(<= ULTIMATE.start_main_~i~5 97), 57191#(<= ULTIMATE.start_main_~i~5 98), 57192#(<= ULTIMATE.start_main_~i~5 99), 57193#(<= ULTIMATE.start_main_~i~5 100), 57194#(<= ULTIMATE.start_main_~i~5 101), 57195#(<= ULTIMATE.start_main_~i~5 102), 57196#(<= ULTIMATE.start_main_~i~5 103), 57197#(<= ULTIMATE.start_main_~i~5 104), 57198#(<= ULTIMATE.start_main_~i~5 105), 57199#(<= ULTIMATE.start_main_~i~5 106), 57200#(<= ULTIMATE.start_main_~i~5 107), 57201#(<= ULTIMATE.start_main_~i~5 108)] [2018-07-23 13:41:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,786 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:41:27,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:41:27,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:41:27,788 INFO L87 Difference]: Start difference. First operand 223 states and 224 transitions. Second operand 111 states. [2018-07-23 13:41:28,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:28,049 INFO L93 Difference]: Finished difference Result 229 states and 231 transitions. [2018-07-23 13:41:28,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:41:28,049 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 222 [2018-07-23 13:41:28,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:28,050 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:41:28,050 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:41:28,051 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 13:41:28,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:41:28,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:41:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:41:28,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 226 transitions. [2018-07-23 13:41:28,054 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 226 transitions. Word has length 222 [2018-07-23 13:41:28,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:28,055 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 226 transitions. [2018-07-23 13:41:28,055 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:41:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 226 transitions. [2018-07-23 13:41:28,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:41:28,056 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:28,056 INFO L357 BasicCegarLoop]: trace histogram [110, 109, 1, 1, 1, 1, 1] [2018-07-23 13:41:28,056 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:28,056 INFO L82 PathProgramCache]: Analyzing trace with hash -928709881, now seen corresponding path program 109 times [2018-07-23 13:41:28,056 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,507 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:28,507 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:41:28,507 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:28,507 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 13:41:28,507 INFO L185 omatonBuilderFactory]: Interpolants [58112#(<= ULTIMATE.start_main_~i~5 0), 58113#(<= ULTIMATE.start_main_~i~5 1), 58114#(<= ULTIMATE.start_main_~i~5 2), 58115#(<= ULTIMATE.start_main_~i~5 3), 58116#(<= ULTIMATE.start_main_~i~5 4), 58117#(<= ULTIMATE.start_main_~i~5 5), 58118#(<= ULTIMATE.start_main_~i~5 6), 58119#(<= ULTIMATE.start_main_~i~5 7), 58120#(<= ULTIMATE.start_main_~i~5 8), 58121#(<= ULTIMATE.start_main_~i~5 9), 58122#(<= ULTIMATE.start_main_~i~5 10), 58123#(<= ULTIMATE.start_main_~i~5 11), 58124#(<= ULTIMATE.start_main_~i~5 12), 58125#(<= ULTIMATE.start_main_~i~5 13), 58126#(<= ULTIMATE.start_main_~i~5 14), 58127#(<= ULTIMATE.start_main_~i~5 15), 58128#(<= ULTIMATE.start_main_~i~5 16), 58129#(<= ULTIMATE.start_main_~i~5 17), 58130#(<= ULTIMATE.start_main_~i~5 18), 58131#(<= ULTIMATE.start_main_~i~5 19), 58132#(<= ULTIMATE.start_main_~i~5 20), 58133#(<= ULTIMATE.start_main_~i~5 21), 58134#(<= ULTIMATE.start_main_~i~5 22), 58135#(<= ULTIMATE.start_main_~i~5 23), 58136#(<= ULTIMATE.start_main_~i~5 24), 58137#(<= ULTIMATE.start_main_~i~5 25), 58138#(<= ULTIMATE.start_main_~i~5 26), 58139#(<= ULTIMATE.start_main_~i~5 27), 58140#(<= ULTIMATE.start_main_~i~5 28), 58141#(<= ULTIMATE.start_main_~i~5 29), 58142#(<= ULTIMATE.start_main_~i~5 30), 58143#(<= ULTIMATE.start_main_~i~5 31), 58144#(<= ULTIMATE.start_main_~i~5 32), 58145#(<= ULTIMATE.start_main_~i~5 33), 58146#(<= ULTIMATE.start_main_~i~5 34), 58147#(<= ULTIMATE.start_main_~i~5 35), 58148#(<= ULTIMATE.start_main_~i~5 36), 58149#(<= ULTIMATE.start_main_~i~5 37), 58150#(<= ULTIMATE.start_main_~i~5 38), 58151#(<= ULTIMATE.start_main_~i~5 39), 58152#(<= ULTIMATE.start_main_~i~5 40), 58153#(<= ULTIMATE.start_main_~i~5 41), 58154#(<= ULTIMATE.start_main_~i~5 42), 58155#(<= ULTIMATE.start_main_~i~5 43), 58156#(<= ULTIMATE.start_main_~i~5 44), 58157#(<= ULTIMATE.start_main_~i~5 45), 58158#(<= ULTIMATE.start_main_~i~5 46), 58159#(<= ULTIMATE.start_main_~i~5 47), 58160#(<= ULTIMATE.start_main_~i~5 48), 58161#(<= ULTIMATE.start_main_~i~5 49), 58162#(<= ULTIMATE.start_main_~i~5 50), 58163#(<= ULTIMATE.start_main_~i~5 51), 58164#(<= ULTIMATE.start_main_~i~5 52), 58165#(<= ULTIMATE.start_main_~i~5 53), 58166#(<= ULTIMATE.start_main_~i~5 54), 58167#(<= ULTIMATE.start_main_~i~5 55), 58168#(<= ULTIMATE.start_main_~i~5 56), 58169#(<= ULTIMATE.start_main_~i~5 57), 58170#(<= ULTIMATE.start_main_~i~5 58), 58171#(<= ULTIMATE.start_main_~i~5 59), 58172#(<= ULTIMATE.start_main_~i~5 60), 58173#(<= ULTIMATE.start_main_~i~5 61), 58174#(<= ULTIMATE.start_main_~i~5 62), 58175#(<= ULTIMATE.start_main_~i~5 63), 58176#(<= ULTIMATE.start_main_~i~5 64), 58177#(<= ULTIMATE.start_main_~i~5 65), 58178#(<= ULTIMATE.start_main_~i~5 66), 58179#(<= ULTIMATE.start_main_~i~5 67), 58180#(<= ULTIMATE.start_main_~i~5 68), 58181#(<= ULTIMATE.start_main_~i~5 69), 58182#(<= ULTIMATE.start_main_~i~5 70), 58183#(<= ULTIMATE.start_main_~i~5 71), 58184#(<= ULTIMATE.start_main_~i~5 72), 58185#(<= ULTIMATE.start_main_~i~5 73), 58186#(<= ULTIMATE.start_main_~i~5 74), 58187#(<= ULTIMATE.start_main_~i~5 75), 58188#(<= ULTIMATE.start_main_~i~5 76), 58189#(<= ULTIMATE.start_main_~i~5 77), 58190#(<= ULTIMATE.start_main_~i~5 78), 58191#(<= ULTIMATE.start_main_~i~5 79), 58192#(<= ULTIMATE.start_main_~i~5 80), 58193#(<= ULTIMATE.start_main_~i~5 81), 58194#(<= ULTIMATE.start_main_~i~5 82), 58195#(<= ULTIMATE.start_main_~i~5 83), 58196#(<= ULTIMATE.start_main_~i~5 84), 58197#(<= ULTIMATE.start_main_~i~5 85), 58198#(<= ULTIMATE.start_main_~i~5 86), 58199#(<= ULTIMATE.start_main_~i~5 87), 58200#(<= ULTIMATE.start_main_~i~5 88), 58201#(<= ULTIMATE.start_main_~i~5 89), 58202#(<= ULTIMATE.start_main_~i~5 90), 58203#(<= ULTIMATE.start_main_~i~5 91), 58204#(<= ULTIMATE.start_main_~i~5 92), 58205#(<= ULTIMATE.start_main_~i~5 93), 58206#(<= ULTIMATE.start_main_~i~5 94), 58207#(<= ULTIMATE.start_main_~i~5 95), 58208#(<= ULTIMATE.start_main_~i~5 96), 58209#(<= ULTIMATE.start_main_~i~5 97), 58210#(<= ULTIMATE.start_main_~i~5 98), 58211#(<= ULTIMATE.start_main_~i~5 99), 58212#(<= ULTIMATE.start_main_~i~5 100), 58213#(<= ULTIMATE.start_main_~i~5 101), 58214#(<= ULTIMATE.start_main_~i~5 102), 58215#(<= ULTIMATE.start_main_~i~5 103), 58216#(<= ULTIMATE.start_main_~i~5 104), 58217#(<= ULTIMATE.start_main_~i~5 105), 58218#(<= ULTIMATE.start_main_~i~5 106), 58219#(<= ULTIMATE.start_main_~i~5 107), 58220#(<= ULTIMATE.start_main_~i~5 108), 58221#(<= ULTIMATE.start_main_~i~5 109), 58110#true, 58111#false] [2018-07-23 13:41:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,508 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:41:28,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:41:28,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:41:28,510 INFO L87 Difference]: Start difference. First operand 225 states and 226 transitions. Second operand 112 states. [2018-07-23 13:41:28,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:28,839 INFO L93 Difference]: Finished difference Result 231 states and 233 transitions. [2018-07-23 13:41:28,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:41:28,840 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 224 [2018-07-23 13:41:28,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:28,841 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:41:28,841 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:41:28,842 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 13:41:28,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:41:28,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:41:28,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:41:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 228 transitions. [2018-07-23 13:41:28,847 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 228 transitions. Word has length 224 [2018-07-23 13:41:28,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:28,847 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 228 transitions. [2018-07-23 13:41:28,847 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:41:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 228 transitions. [2018-07-23 13:41:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:41:28,849 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:28,849 INFO L357 BasicCegarLoop]: trace histogram [111, 110, 1, 1, 1, 1, 1] [2018-07-23 13:41:28,849 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:28,849 INFO L82 PathProgramCache]: Analyzing trace with hash 779443715, now seen corresponding path program 110 times [2018-07-23 13:41:28,849 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,480 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,480 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,480 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:41:29,480 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,480 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 13:41:29,481 INFO L185 omatonBuilderFactory]: Interpolants [59138#true, 59139#false, 59140#(<= ULTIMATE.start_main_~i~5 0), 59141#(<= ULTIMATE.start_main_~i~5 1), 59142#(<= ULTIMATE.start_main_~i~5 2), 59143#(<= ULTIMATE.start_main_~i~5 3), 59144#(<= ULTIMATE.start_main_~i~5 4), 59145#(<= ULTIMATE.start_main_~i~5 5), 59146#(<= ULTIMATE.start_main_~i~5 6), 59147#(<= ULTIMATE.start_main_~i~5 7), 59148#(<= ULTIMATE.start_main_~i~5 8), 59149#(<= ULTIMATE.start_main_~i~5 9), 59150#(<= ULTIMATE.start_main_~i~5 10), 59151#(<= ULTIMATE.start_main_~i~5 11), 59152#(<= ULTIMATE.start_main_~i~5 12), 59153#(<= ULTIMATE.start_main_~i~5 13), 59154#(<= ULTIMATE.start_main_~i~5 14), 59155#(<= ULTIMATE.start_main_~i~5 15), 59156#(<= ULTIMATE.start_main_~i~5 16), 59157#(<= ULTIMATE.start_main_~i~5 17), 59158#(<= ULTIMATE.start_main_~i~5 18), 59159#(<= ULTIMATE.start_main_~i~5 19), 59160#(<= ULTIMATE.start_main_~i~5 20), 59161#(<= ULTIMATE.start_main_~i~5 21), 59162#(<= ULTIMATE.start_main_~i~5 22), 59163#(<= ULTIMATE.start_main_~i~5 23), 59164#(<= ULTIMATE.start_main_~i~5 24), 59165#(<= ULTIMATE.start_main_~i~5 25), 59166#(<= ULTIMATE.start_main_~i~5 26), 59167#(<= ULTIMATE.start_main_~i~5 27), 59168#(<= ULTIMATE.start_main_~i~5 28), 59169#(<= ULTIMATE.start_main_~i~5 29), 59170#(<= ULTIMATE.start_main_~i~5 30), 59171#(<= ULTIMATE.start_main_~i~5 31), 59172#(<= ULTIMATE.start_main_~i~5 32), 59173#(<= ULTIMATE.start_main_~i~5 33), 59174#(<= ULTIMATE.start_main_~i~5 34), 59175#(<= ULTIMATE.start_main_~i~5 35), 59176#(<= ULTIMATE.start_main_~i~5 36), 59177#(<= ULTIMATE.start_main_~i~5 37), 59178#(<= ULTIMATE.start_main_~i~5 38), 59179#(<= ULTIMATE.start_main_~i~5 39), 59180#(<= ULTIMATE.start_main_~i~5 40), 59181#(<= ULTIMATE.start_main_~i~5 41), 59182#(<= ULTIMATE.start_main_~i~5 42), 59183#(<= ULTIMATE.start_main_~i~5 43), 59184#(<= ULTIMATE.start_main_~i~5 44), 59185#(<= ULTIMATE.start_main_~i~5 45), 59186#(<= ULTIMATE.start_main_~i~5 46), 59187#(<= ULTIMATE.start_main_~i~5 47), 59188#(<= ULTIMATE.start_main_~i~5 48), 59189#(<= ULTIMATE.start_main_~i~5 49), 59190#(<= ULTIMATE.start_main_~i~5 50), 59191#(<= ULTIMATE.start_main_~i~5 51), 59192#(<= ULTIMATE.start_main_~i~5 52), 59193#(<= ULTIMATE.start_main_~i~5 53), 59194#(<= ULTIMATE.start_main_~i~5 54), 59195#(<= ULTIMATE.start_main_~i~5 55), 59196#(<= ULTIMATE.start_main_~i~5 56), 59197#(<= ULTIMATE.start_main_~i~5 57), 59198#(<= ULTIMATE.start_main_~i~5 58), 59199#(<= ULTIMATE.start_main_~i~5 59), 59200#(<= ULTIMATE.start_main_~i~5 60), 59201#(<= ULTIMATE.start_main_~i~5 61), 59202#(<= ULTIMATE.start_main_~i~5 62), 59203#(<= ULTIMATE.start_main_~i~5 63), 59204#(<= ULTIMATE.start_main_~i~5 64), 59205#(<= ULTIMATE.start_main_~i~5 65), 59206#(<= ULTIMATE.start_main_~i~5 66), 59207#(<= ULTIMATE.start_main_~i~5 67), 59208#(<= ULTIMATE.start_main_~i~5 68), 59209#(<= ULTIMATE.start_main_~i~5 69), 59210#(<= ULTIMATE.start_main_~i~5 70), 59211#(<= ULTIMATE.start_main_~i~5 71), 59212#(<= ULTIMATE.start_main_~i~5 72), 59213#(<= ULTIMATE.start_main_~i~5 73), 59214#(<= ULTIMATE.start_main_~i~5 74), 59215#(<= ULTIMATE.start_main_~i~5 75), 59216#(<= ULTIMATE.start_main_~i~5 76), 59217#(<= ULTIMATE.start_main_~i~5 77), 59218#(<= ULTIMATE.start_main_~i~5 78), 59219#(<= ULTIMATE.start_main_~i~5 79), 59220#(<= ULTIMATE.start_main_~i~5 80), 59221#(<= ULTIMATE.start_main_~i~5 81), 59222#(<= ULTIMATE.start_main_~i~5 82), 59223#(<= ULTIMATE.start_main_~i~5 83), 59224#(<= ULTIMATE.start_main_~i~5 84), 59225#(<= ULTIMATE.start_main_~i~5 85), 59226#(<= ULTIMATE.start_main_~i~5 86), 59227#(<= ULTIMATE.start_main_~i~5 87), 59228#(<= ULTIMATE.start_main_~i~5 88), 59229#(<= ULTIMATE.start_main_~i~5 89), 59230#(<= ULTIMATE.start_main_~i~5 90), 59231#(<= ULTIMATE.start_main_~i~5 91), 59232#(<= ULTIMATE.start_main_~i~5 92), 59233#(<= ULTIMATE.start_main_~i~5 93), 59234#(<= ULTIMATE.start_main_~i~5 94), 59235#(<= ULTIMATE.start_main_~i~5 95), 59236#(<= ULTIMATE.start_main_~i~5 96), 59237#(<= ULTIMATE.start_main_~i~5 97), 59238#(<= ULTIMATE.start_main_~i~5 98), 59239#(<= ULTIMATE.start_main_~i~5 99), 59240#(<= ULTIMATE.start_main_~i~5 100), 59241#(<= ULTIMATE.start_main_~i~5 101), 59242#(<= ULTIMATE.start_main_~i~5 102), 59243#(<= ULTIMATE.start_main_~i~5 103), 59244#(<= ULTIMATE.start_main_~i~5 104), 59245#(<= ULTIMATE.start_main_~i~5 105), 59246#(<= ULTIMATE.start_main_~i~5 106), 59247#(<= ULTIMATE.start_main_~i~5 107), 59248#(<= ULTIMATE.start_main_~i~5 108), 59249#(<= ULTIMATE.start_main_~i~5 109), 59250#(<= ULTIMATE.start_main_~i~5 110)] [2018-07-23 13:41:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,481 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:41:29,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:41:29,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:41:29,483 INFO L87 Difference]: Start difference. First operand 227 states and 228 transitions. Second operand 113 states. [2018-07-23 13:41:29,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,745 INFO L93 Difference]: Finished difference Result 233 states and 235 transitions. [2018-07-23 13:41:29,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:41:29,745 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 226 [2018-07-23 13:41:29,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,746 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:41:29,746 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:41:29,747 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 13:41:29,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:41:29,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:41:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:41:29,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 230 transitions. [2018-07-23 13:41:29,751 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 230 transitions. Word has length 226 [2018-07-23 13:41:29,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,752 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 230 transitions. [2018-07-23 13:41:29,752 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:41:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 230 transitions. [2018-07-23 13:41:29,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:41:29,753 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,753 INFO L357 BasicCegarLoop]: trace histogram [112, 111, 1, 1, 1, 1, 1] [2018-07-23 13:41:29,753 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1637542399, now seen corresponding path program 111 times [2018-07-23 13:41:29,753 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,193 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,193 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:41:30,193 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,193 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 13:41:30,193 INFO L185 omatonBuilderFactory]: Interpolants [60175#true, 60176#false, 60177#(<= ULTIMATE.start_main_~i~5 0), 60178#(<= ULTIMATE.start_main_~i~5 1), 60179#(<= ULTIMATE.start_main_~i~5 2), 60180#(<= ULTIMATE.start_main_~i~5 3), 60181#(<= ULTIMATE.start_main_~i~5 4), 60182#(<= ULTIMATE.start_main_~i~5 5), 60183#(<= ULTIMATE.start_main_~i~5 6), 60184#(<= ULTIMATE.start_main_~i~5 7), 60185#(<= ULTIMATE.start_main_~i~5 8), 60186#(<= ULTIMATE.start_main_~i~5 9), 60187#(<= ULTIMATE.start_main_~i~5 10), 60188#(<= ULTIMATE.start_main_~i~5 11), 60189#(<= ULTIMATE.start_main_~i~5 12), 60190#(<= ULTIMATE.start_main_~i~5 13), 60191#(<= ULTIMATE.start_main_~i~5 14), 60192#(<= ULTIMATE.start_main_~i~5 15), 60193#(<= ULTIMATE.start_main_~i~5 16), 60194#(<= ULTIMATE.start_main_~i~5 17), 60195#(<= ULTIMATE.start_main_~i~5 18), 60196#(<= ULTIMATE.start_main_~i~5 19), 60197#(<= ULTIMATE.start_main_~i~5 20), 60198#(<= ULTIMATE.start_main_~i~5 21), 60199#(<= ULTIMATE.start_main_~i~5 22), 60200#(<= ULTIMATE.start_main_~i~5 23), 60201#(<= ULTIMATE.start_main_~i~5 24), 60202#(<= ULTIMATE.start_main_~i~5 25), 60203#(<= ULTIMATE.start_main_~i~5 26), 60204#(<= ULTIMATE.start_main_~i~5 27), 60205#(<= ULTIMATE.start_main_~i~5 28), 60206#(<= ULTIMATE.start_main_~i~5 29), 60207#(<= ULTIMATE.start_main_~i~5 30), 60208#(<= ULTIMATE.start_main_~i~5 31), 60209#(<= ULTIMATE.start_main_~i~5 32), 60210#(<= ULTIMATE.start_main_~i~5 33), 60211#(<= ULTIMATE.start_main_~i~5 34), 60212#(<= ULTIMATE.start_main_~i~5 35), 60213#(<= ULTIMATE.start_main_~i~5 36), 60214#(<= ULTIMATE.start_main_~i~5 37), 60215#(<= ULTIMATE.start_main_~i~5 38), 60216#(<= ULTIMATE.start_main_~i~5 39), 60217#(<= ULTIMATE.start_main_~i~5 40), 60218#(<= ULTIMATE.start_main_~i~5 41), 60219#(<= ULTIMATE.start_main_~i~5 42), 60220#(<= ULTIMATE.start_main_~i~5 43), 60221#(<= ULTIMATE.start_main_~i~5 44), 60222#(<= ULTIMATE.start_main_~i~5 45), 60223#(<= ULTIMATE.start_main_~i~5 46), 60224#(<= ULTIMATE.start_main_~i~5 47), 60225#(<= ULTIMATE.start_main_~i~5 48), 60226#(<= ULTIMATE.start_main_~i~5 49), 60227#(<= ULTIMATE.start_main_~i~5 50), 60228#(<= ULTIMATE.start_main_~i~5 51), 60229#(<= ULTIMATE.start_main_~i~5 52), 60230#(<= ULTIMATE.start_main_~i~5 53), 60231#(<= ULTIMATE.start_main_~i~5 54), 60232#(<= ULTIMATE.start_main_~i~5 55), 60233#(<= ULTIMATE.start_main_~i~5 56), 60234#(<= ULTIMATE.start_main_~i~5 57), 60235#(<= ULTIMATE.start_main_~i~5 58), 60236#(<= ULTIMATE.start_main_~i~5 59), 60237#(<= ULTIMATE.start_main_~i~5 60), 60238#(<= ULTIMATE.start_main_~i~5 61), 60239#(<= ULTIMATE.start_main_~i~5 62), 60240#(<= ULTIMATE.start_main_~i~5 63), 60241#(<= ULTIMATE.start_main_~i~5 64), 60242#(<= ULTIMATE.start_main_~i~5 65), 60243#(<= ULTIMATE.start_main_~i~5 66), 60244#(<= ULTIMATE.start_main_~i~5 67), 60245#(<= ULTIMATE.start_main_~i~5 68), 60246#(<= ULTIMATE.start_main_~i~5 69), 60247#(<= ULTIMATE.start_main_~i~5 70), 60248#(<= ULTIMATE.start_main_~i~5 71), 60249#(<= ULTIMATE.start_main_~i~5 72), 60250#(<= ULTIMATE.start_main_~i~5 73), 60251#(<= ULTIMATE.start_main_~i~5 74), 60252#(<= ULTIMATE.start_main_~i~5 75), 60253#(<= ULTIMATE.start_main_~i~5 76), 60254#(<= ULTIMATE.start_main_~i~5 77), 60255#(<= ULTIMATE.start_main_~i~5 78), 60256#(<= ULTIMATE.start_main_~i~5 79), 60257#(<= ULTIMATE.start_main_~i~5 80), 60258#(<= ULTIMATE.start_main_~i~5 81), 60259#(<= ULTIMATE.start_main_~i~5 82), 60260#(<= ULTIMATE.start_main_~i~5 83), 60261#(<= ULTIMATE.start_main_~i~5 84), 60262#(<= ULTIMATE.start_main_~i~5 85), 60263#(<= ULTIMATE.start_main_~i~5 86), 60264#(<= ULTIMATE.start_main_~i~5 87), 60265#(<= ULTIMATE.start_main_~i~5 88), 60266#(<= ULTIMATE.start_main_~i~5 89), 60267#(<= ULTIMATE.start_main_~i~5 90), 60268#(<= ULTIMATE.start_main_~i~5 91), 60269#(<= ULTIMATE.start_main_~i~5 92), 60270#(<= ULTIMATE.start_main_~i~5 93), 60271#(<= ULTIMATE.start_main_~i~5 94), 60272#(<= ULTIMATE.start_main_~i~5 95), 60273#(<= ULTIMATE.start_main_~i~5 96), 60274#(<= ULTIMATE.start_main_~i~5 97), 60275#(<= ULTIMATE.start_main_~i~5 98), 60276#(<= ULTIMATE.start_main_~i~5 99), 60277#(<= ULTIMATE.start_main_~i~5 100), 60278#(<= ULTIMATE.start_main_~i~5 101), 60279#(<= ULTIMATE.start_main_~i~5 102), 60280#(<= ULTIMATE.start_main_~i~5 103), 60281#(<= ULTIMATE.start_main_~i~5 104), 60282#(<= ULTIMATE.start_main_~i~5 105), 60283#(<= ULTIMATE.start_main_~i~5 106), 60284#(<= ULTIMATE.start_main_~i~5 107), 60285#(<= ULTIMATE.start_main_~i~5 108), 60286#(<= ULTIMATE.start_main_~i~5 109), 60287#(<= ULTIMATE.start_main_~i~5 110), 60288#(<= ULTIMATE.start_main_~i~5 111)] [2018-07-23 13:41:30,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,194 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:41:30,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:41:30,196 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:41:30,196 INFO L87 Difference]: Start difference. First operand 229 states and 230 transitions. Second operand 114 states. [2018-07-23 13:41:30,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,475 INFO L93 Difference]: Finished difference Result 235 states and 237 transitions. [2018-07-23 13:41:30,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:41:30,475 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 228 [2018-07-23 13:41:30,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,476 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:41:30,476 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:41:30,477 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 13:41:30,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:41:30,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:41:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:41:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 232 transitions. [2018-07-23 13:41:30,481 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 232 transitions. Word has length 228 [2018-07-23 13:41:30,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,482 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 232 transitions. [2018-07-23 13:41:30,482 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:41:30,482 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 232 transitions. [2018-07-23 13:41:30,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:41:30,483 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,483 INFO L357 BasicCegarLoop]: trace histogram [113, 112, 1, 1, 1, 1, 1] [2018-07-23 13:41:30,483 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1636656891, now seen corresponding path program 112 times [2018-07-23 13:41:30,483 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,962 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,962 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:41:30,962 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,963 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 13:41:30,963 INFO L185 omatonBuilderFactory]: Interpolants [61221#true, 61222#false, 61223#(<= ULTIMATE.start_main_~i~5 0), 61224#(<= ULTIMATE.start_main_~i~5 1), 61225#(<= ULTIMATE.start_main_~i~5 2), 61226#(<= ULTIMATE.start_main_~i~5 3), 61227#(<= ULTIMATE.start_main_~i~5 4), 61228#(<= ULTIMATE.start_main_~i~5 5), 61229#(<= ULTIMATE.start_main_~i~5 6), 61230#(<= ULTIMATE.start_main_~i~5 7), 61231#(<= ULTIMATE.start_main_~i~5 8), 61232#(<= ULTIMATE.start_main_~i~5 9), 61233#(<= ULTIMATE.start_main_~i~5 10), 61234#(<= ULTIMATE.start_main_~i~5 11), 61235#(<= ULTIMATE.start_main_~i~5 12), 61236#(<= ULTIMATE.start_main_~i~5 13), 61237#(<= ULTIMATE.start_main_~i~5 14), 61238#(<= ULTIMATE.start_main_~i~5 15), 61239#(<= ULTIMATE.start_main_~i~5 16), 61240#(<= ULTIMATE.start_main_~i~5 17), 61241#(<= ULTIMATE.start_main_~i~5 18), 61242#(<= ULTIMATE.start_main_~i~5 19), 61243#(<= ULTIMATE.start_main_~i~5 20), 61244#(<= ULTIMATE.start_main_~i~5 21), 61245#(<= ULTIMATE.start_main_~i~5 22), 61246#(<= ULTIMATE.start_main_~i~5 23), 61247#(<= ULTIMATE.start_main_~i~5 24), 61248#(<= ULTIMATE.start_main_~i~5 25), 61249#(<= ULTIMATE.start_main_~i~5 26), 61250#(<= ULTIMATE.start_main_~i~5 27), 61251#(<= ULTIMATE.start_main_~i~5 28), 61252#(<= ULTIMATE.start_main_~i~5 29), 61253#(<= ULTIMATE.start_main_~i~5 30), 61254#(<= ULTIMATE.start_main_~i~5 31), 61255#(<= ULTIMATE.start_main_~i~5 32), 61256#(<= ULTIMATE.start_main_~i~5 33), 61257#(<= ULTIMATE.start_main_~i~5 34), 61258#(<= ULTIMATE.start_main_~i~5 35), 61259#(<= ULTIMATE.start_main_~i~5 36), 61260#(<= ULTIMATE.start_main_~i~5 37), 61261#(<= ULTIMATE.start_main_~i~5 38), 61262#(<= ULTIMATE.start_main_~i~5 39), 61263#(<= ULTIMATE.start_main_~i~5 40), 61264#(<= ULTIMATE.start_main_~i~5 41), 61265#(<= ULTIMATE.start_main_~i~5 42), 61266#(<= ULTIMATE.start_main_~i~5 43), 61267#(<= ULTIMATE.start_main_~i~5 44), 61268#(<= ULTIMATE.start_main_~i~5 45), 61269#(<= ULTIMATE.start_main_~i~5 46), 61270#(<= ULTIMATE.start_main_~i~5 47), 61271#(<= ULTIMATE.start_main_~i~5 48), 61272#(<= ULTIMATE.start_main_~i~5 49), 61273#(<= ULTIMATE.start_main_~i~5 50), 61274#(<= ULTIMATE.start_main_~i~5 51), 61275#(<= ULTIMATE.start_main_~i~5 52), 61276#(<= ULTIMATE.start_main_~i~5 53), 61277#(<= ULTIMATE.start_main_~i~5 54), 61278#(<= ULTIMATE.start_main_~i~5 55), 61279#(<= ULTIMATE.start_main_~i~5 56), 61280#(<= ULTIMATE.start_main_~i~5 57), 61281#(<= ULTIMATE.start_main_~i~5 58), 61282#(<= ULTIMATE.start_main_~i~5 59), 61283#(<= ULTIMATE.start_main_~i~5 60), 61284#(<= ULTIMATE.start_main_~i~5 61), 61285#(<= ULTIMATE.start_main_~i~5 62), 61286#(<= ULTIMATE.start_main_~i~5 63), 61287#(<= ULTIMATE.start_main_~i~5 64), 61288#(<= ULTIMATE.start_main_~i~5 65), 61289#(<= ULTIMATE.start_main_~i~5 66), 61290#(<= ULTIMATE.start_main_~i~5 67), 61291#(<= ULTIMATE.start_main_~i~5 68), 61292#(<= ULTIMATE.start_main_~i~5 69), 61293#(<= ULTIMATE.start_main_~i~5 70), 61294#(<= ULTIMATE.start_main_~i~5 71), 61295#(<= ULTIMATE.start_main_~i~5 72), 61296#(<= ULTIMATE.start_main_~i~5 73), 61297#(<= ULTIMATE.start_main_~i~5 74), 61298#(<= ULTIMATE.start_main_~i~5 75), 61299#(<= ULTIMATE.start_main_~i~5 76), 61300#(<= ULTIMATE.start_main_~i~5 77), 61301#(<= ULTIMATE.start_main_~i~5 78), 61302#(<= ULTIMATE.start_main_~i~5 79), 61303#(<= ULTIMATE.start_main_~i~5 80), 61304#(<= ULTIMATE.start_main_~i~5 81), 61305#(<= ULTIMATE.start_main_~i~5 82), 61306#(<= ULTIMATE.start_main_~i~5 83), 61307#(<= ULTIMATE.start_main_~i~5 84), 61308#(<= ULTIMATE.start_main_~i~5 85), 61309#(<= ULTIMATE.start_main_~i~5 86), 61310#(<= ULTIMATE.start_main_~i~5 87), 61311#(<= ULTIMATE.start_main_~i~5 88), 61312#(<= ULTIMATE.start_main_~i~5 89), 61313#(<= ULTIMATE.start_main_~i~5 90), 61314#(<= ULTIMATE.start_main_~i~5 91), 61315#(<= ULTIMATE.start_main_~i~5 92), 61316#(<= ULTIMATE.start_main_~i~5 93), 61317#(<= ULTIMATE.start_main_~i~5 94), 61318#(<= ULTIMATE.start_main_~i~5 95), 61319#(<= ULTIMATE.start_main_~i~5 96), 61320#(<= ULTIMATE.start_main_~i~5 97), 61321#(<= ULTIMATE.start_main_~i~5 98), 61322#(<= ULTIMATE.start_main_~i~5 99), 61323#(<= ULTIMATE.start_main_~i~5 100), 61324#(<= ULTIMATE.start_main_~i~5 101), 61325#(<= ULTIMATE.start_main_~i~5 102), 61326#(<= ULTIMATE.start_main_~i~5 103), 61327#(<= ULTIMATE.start_main_~i~5 104), 61328#(<= ULTIMATE.start_main_~i~5 105), 61329#(<= ULTIMATE.start_main_~i~5 106), 61330#(<= ULTIMATE.start_main_~i~5 107), 61331#(<= ULTIMATE.start_main_~i~5 108), 61332#(<= ULTIMATE.start_main_~i~5 109), 61333#(<= ULTIMATE.start_main_~i~5 110), 61334#(<= ULTIMATE.start_main_~i~5 111), 61335#(<= ULTIMATE.start_main_~i~5 112)] [2018-07-23 13:41:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,964 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:41:30,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:41:30,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:41:30,966 INFO L87 Difference]: Start difference. First operand 231 states and 232 transitions. Second operand 115 states. [2018-07-23 13:41:31,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:31,232 INFO L93 Difference]: Finished difference Result 237 states and 239 transitions. [2018-07-23 13:41:31,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:41:31,232 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 230 [2018-07-23 13:41:31,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:31,233 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:41:31,233 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:41:31,234 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 13:41:31,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:41:31,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:41:31,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:41:31,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 234 transitions. [2018-07-23 13:41:31,239 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 234 transitions. Word has length 230 [2018-07-23 13:41:31,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:31,239 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 234 transitions. [2018-07-23 13:41:31,239 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:41:31,239 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 234 transitions. [2018-07-23 13:41:31,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:41:31,240 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:31,240 INFO L357 BasicCegarLoop]: trace histogram [114, 113, 1, 1, 1, 1, 1] [2018-07-23 13:41:31,241 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:31,241 INFO L82 PathProgramCache]: Analyzing trace with hash 785683703, now seen corresponding path program 113 times [2018-07-23 13:41:31,241 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,721 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:31,721 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:41:31,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:31,722 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 13:41:31,722 INFO L185 omatonBuilderFactory]: Interpolants [62276#true, 62277#false, 62278#(<= ULTIMATE.start_main_~i~5 0), 62279#(<= ULTIMATE.start_main_~i~5 1), 62280#(<= ULTIMATE.start_main_~i~5 2), 62281#(<= ULTIMATE.start_main_~i~5 3), 62282#(<= ULTIMATE.start_main_~i~5 4), 62283#(<= ULTIMATE.start_main_~i~5 5), 62284#(<= ULTIMATE.start_main_~i~5 6), 62285#(<= ULTIMATE.start_main_~i~5 7), 62286#(<= ULTIMATE.start_main_~i~5 8), 62287#(<= ULTIMATE.start_main_~i~5 9), 62288#(<= ULTIMATE.start_main_~i~5 10), 62289#(<= ULTIMATE.start_main_~i~5 11), 62290#(<= ULTIMATE.start_main_~i~5 12), 62291#(<= ULTIMATE.start_main_~i~5 13), 62292#(<= ULTIMATE.start_main_~i~5 14), 62293#(<= ULTIMATE.start_main_~i~5 15), 62294#(<= ULTIMATE.start_main_~i~5 16), 62295#(<= ULTIMATE.start_main_~i~5 17), 62296#(<= ULTIMATE.start_main_~i~5 18), 62297#(<= ULTIMATE.start_main_~i~5 19), 62298#(<= ULTIMATE.start_main_~i~5 20), 62299#(<= ULTIMATE.start_main_~i~5 21), 62300#(<= ULTIMATE.start_main_~i~5 22), 62301#(<= ULTIMATE.start_main_~i~5 23), 62302#(<= ULTIMATE.start_main_~i~5 24), 62303#(<= ULTIMATE.start_main_~i~5 25), 62304#(<= ULTIMATE.start_main_~i~5 26), 62305#(<= ULTIMATE.start_main_~i~5 27), 62306#(<= ULTIMATE.start_main_~i~5 28), 62307#(<= ULTIMATE.start_main_~i~5 29), 62308#(<= ULTIMATE.start_main_~i~5 30), 62309#(<= ULTIMATE.start_main_~i~5 31), 62310#(<= ULTIMATE.start_main_~i~5 32), 62311#(<= ULTIMATE.start_main_~i~5 33), 62312#(<= ULTIMATE.start_main_~i~5 34), 62313#(<= ULTIMATE.start_main_~i~5 35), 62314#(<= ULTIMATE.start_main_~i~5 36), 62315#(<= ULTIMATE.start_main_~i~5 37), 62316#(<= ULTIMATE.start_main_~i~5 38), 62317#(<= ULTIMATE.start_main_~i~5 39), 62318#(<= ULTIMATE.start_main_~i~5 40), 62319#(<= ULTIMATE.start_main_~i~5 41), 62320#(<= ULTIMATE.start_main_~i~5 42), 62321#(<= ULTIMATE.start_main_~i~5 43), 62322#(<= ULTIMATE.start_main_~i~5 44), 62323#(<= ULTIMATE.start_main_~i~5 45), 62324#(<= ULTIMATE.start_main_~i~5 46), 62325#(<= ULTIMATE.start_main_~i~5 47), 62326#(<= ULTIMATE.start_main_~i~5 48), 62327#(<= ULTIMATE.start_main_~i~5 49), 62328#(<= ULTIMATE.start_main_~i~5 50), 62329#(<= ULTIMATE.start_main_~i~5 51), 62330#(<= ULTIMATE.start_main_~i~5 52), 62331#(<= ULTIMATE.start_main_~i~5 53), 62332#(<= ULTIMATE.start_main_~i~5 54), 62333#(<= ULTIMATE.start_main_~i~5 55), 62334#(<= ULTIMATE.start_main_~i~5 56), 62335#(<= ULTIMATE.start_main_~i~5 57), 62336#(<= ULTIMATE.start_main_~i~5 58), 62337#(<= ULTIMATE.start_main_~i~5 59), 62338#(<= ULTIMATE.start_main_~i~5 60), 62339#(<= ULTIMATE.start_main_~i~5 61), 62340#(<= ULTIMATE.start_main_~i~5 62), 62341#(<= ULTIMATE.start_main_~i~5 63), 62342#(<= ULTIMATE.start_main_~i~5 64), 62343#(<= ULTIMATE.start_main_~i~5 65), 62344#(<= ULTIMATE.start_main_~i~5 66), 62345#(<= ULTIMATE.start_main_~i~5 67), 62346#(<= ULTIMATE.start_main_~i~5 68), 62347#(<= ULTIMATE.start_main_~i~5 69), 62348#(<= ULTIMATE.start_main_~i~5 70), 62349#(<= ULTIMATE.start_main_~i~5 71), 62350#(<= ULTIMATE.start_main_~i~5 72), 62351#(<= ULTIMATE.start_main_~i~5 73), 62352#(<= ULTIMATE.start_main_~i~5 74), 62353#(<= ULTIMATE.start_main_~i~5 75), 62354#(<= ULTIMATE.start_main_~i~5 76), 62355#(<= ULTIMATE.start_main_~i~5 77), 62356#(<= ULTIMATE.start_main_~i~5 78), 62357#(<= ULTIMATE.start_main_~i~5 79), 62358#(<= ULTIMATE.start_main_~i~5 80), 62359#(<= ULTIMATE.start_main_~i~5 81), 62360#(<= ULTIMATE.start_main_~i~5 82), 62361#(<= ULTIMATE.start_main_~i~5 83), 62362#(<= ULTIMATE.start_main_~i~5 84), 62363#(<= ULTIMATE.start_main_~i~5 85), 62364#(<= ULTIMATE.start_main_~i~5 86), 62365#(<= ULTIMATE.start_main_~i~5 87), 62366#(<= ULTIMATE.start_main_~i~5 88), 62367#(<= ULTIMATE.start_main_~i~5 89), 62368#(<= ULTIMATE.start_main_~i~5 90), 62369#(<= ULTIMATE.start_main_~i~5 91), 62370#(<= ULTIMATE.start_main_~i~5 92), 62371#(<= ULTIMATE.start_main_~i~5 93), 62372#(<= ULTIMATE.start_main_~i~5 94), 62373#(<= ULTIMATE.start_main_~i~5 95), 62374#(<= ULTIMATE.start_main_~i~5 96), 62375#(<= ULTIMATE.start_main_~i~5 97), 62376#(<= ULTIMATE.start_main_~i~5 98), 62377#(<= ULTIMATE.start_main_~i~5 99), 62378#(<= ULTIMATE.start_main_~i~5 100), 62379#(<= ULTIMATE.start_main_~i~5 101), 62380#(<= ULTIMATE.start_main_~i~5 102), 62381#(<= ULTIMATE.start_main_~i~5 103), 62382#(<= ULTIMATE.start_main_~i~5 104), 62383#(<= ULTIMATE.start_main_~i~5 105), 62384#(<= ULTIMATE.start_main_~i~5 106), 62385#(<= ULTIMATE.start_main_~i~5 107), 62386#(<= ULTIMATE.start_main_~i~5 108), 62387#(<= ULTIMATE.start_main_~i~5 109), 62388#(<= ULTIMATE.start_main_~i~5 110), 62389#(<= ULTIMATE.start_main_~i~5 111), 62390#(<= ULTIMATE.start_main_~i~5 112), 62391#(<= ULTIMATE.start_main_~i~5 113)] [2018-07-23 13:41:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,723 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:41:31,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:41:31,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:41:31,725 INFO L87 Difference]: Start difference. First operand 233 states and 234 transitions. Second operand 116 states. [2018-07-23 13:41:31,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:31,921 INFO L93 Difference]: Finished difference Result 239 states and 241 transitions. [2018-07-23 13:41:31,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:41:31,921 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 232 [2018-07-23 13:41:31,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:31,922 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:41:31,922 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:41:31,923 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 13:41:31,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:41:31,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:41:31,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:41:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 236 transitions. [2018-07-23 13:41:31,928 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 236 transitions. Word has length 232 [2018-07-23 13:41:31,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:31,928 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 236 transitions. [2018-07-23 13:41:31,928 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:41:31,928 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 236 transitions. [2018-07-23 13:41:31,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:41:31,929 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:31,929 INFO L357 BasicCegarLoop]: trace histogram [115, 114, 1, 1, 1, 1, 1] [2018-07-23 13:41:31,929 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:31,929 INFO L82 PathProgramCache]: Analyzing trace with hash -955763725, now seen corresponding path program 114 times [2018-07-23 13:41:31,929 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,426 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,426 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:41:32,426 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,426 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 13:41:32,427 INFO L185 omatonBuilderFactory]: Interpolants [63340#true, 63341#false, 63342#(<= ULTIMATE.start_main_~i~5 0), 63343#(<= ULTIMATE.start_main_~i~5 1), 63344#(<= ULTIMATE.start_main_~i~5 2), 63345#(<= ULTIMATE.start_main_~i~5 3), 63346#(<= ULTIMATE.start_main_~i~5 4), 63347#(<= ULTIMATE.start_main_~i~5 5), 63348#(<= ULTIMATE.start_main_~i~5 6), 63349#(<= ULTIMATE.start_main_~i~5 7), 63350#(<= ULTIMATE.start_main_~i~5 8), 63351#(<= ULTIMATE.start_main_~i~5 9), 63352#(<= ULTIMATE.start_main_~i~5 10), 63353#(<= ULTIMATE.start_main_~i~5 11), 63354#(<= ULTIMATE.start_main_~i~5 12), 63355#(<= ULTIMATE.start_main_~i~5 13), 63356#(<= ULTIMATE.start_main_~i~5 14), 63357#(<= ULTIMATE.start_main_~i~5 15), 63358#(<= ULTIMATE.start_main_~i~5 16), 63359#(<= ULTIMATE.start_main_~i~5 17), 63360#(<= ULTIMATE.start_main_~i~5 18), 63361#(<= ULTIMATE.start_main_~i~5 19), 63362#(<= ULTIMATE.start_main_~i~5 20), 63363#(<= ULTIMATE.start_main_~i~5 21), 63364#(<= ULTIMATE.start_main_~i~5 22), 63365#(<= ULTIMATE.start_main_~i~5 23), 63366#(<= ULTIMATE.start_main_~i~5 24), 63367#(<= ULTIMATE.start_main_~i~5 25), 63368#(<= ULTIMATE.start_main_~i~5 26), 63369#(<= ULTIMATE.start_main_~i~5 27), 63370#(<= ULTIMATE.start_main_~i~5 28), 63371#(<= ULTIMATE.start_main_~i~5 29), 63372#(<= ULTIMATE.start_main_~i~5 30), 63373#(<= ULTIMATE.start_main_~i~5 31), 63374#(<= ULTIMATE.start_main_~i~5 32), 63375#(<= ULTIMATE.start_main_~i~5 33), 63376#(<= ULTIMATE.start_main_~i~5 34), 63377#(<= ULTIMATE.start_main_~i~5 35), 63378#(<= ULTIMATE.start_main_~i~5 36), 63379#(<= ULTIMATE.start_main_~i~5 37), 63380#(<= ULTIMATE.start_main_~i~5 38), 63381#(<= ULTIMATE.start_main_~i~5 39), 63382#(<= ULTIMATE.start_main_~i~5 40), 63383#(<= ULTIMATE.start_main_~i~5 41), 63384#(<= ULTIMATE.start_main_~i~5 42), 63385#(<= ULTIMATE.start_main_~i~5 43), 63386#(<= ULTIMATE.start_main_~i~5 44), 63387#(<= ULTIMATE.start_main_~i~5 45), 63388#(<= ULTIMATE.start_main_~i~5 46), 63389#(<= ULTIMATE.start_main_~i~5 47), 63390#(<= ULTIMATE.start_main_~i~5 48), 63391#(<= ULTIMATE.start_main_~i~5 49), 63392#(<= ULTIMATE.start_main_~i~5 50), 63393#(<= ULTIMATE.start_main_~i~5 51), 63394#(<= ULTIMATE.start_main_~i~5 52), 63395#(<= ULTIMATE.start_main_~i~5 53), 63396#(<= ULTIMATE.start_main_~i~5 54), 63397#(<= ULTIMATE.start_main_~i~5 55), 63398#(<= ULTIMATE.start_main_~i~5 56), 63399#(<= ULTIMATE.start_main_~i~5 57), 63400#(<= ULTIMATE.start_main_~i~5 58), 63401#(<= ULTIMATE.start_main_~i~5 59), 63402#(<= ULTIMATE.start_main_~i~5 60), 63403#(<= ULTIMATE.start_main_~i~5 61), 63404#(<= ULTIMATE.start_main_~i~5 62), 63405#(<= ULTIMATE.start_main_~i~5 63), 63406#(<= ULTIMATE.start_main_~i~5 64), 63407#(<= ULTIMATE.start_main_~i~5 65), 63408#(<= ULTIMATE.start_main_~i~5 66), 63409#(<= ULTIMATE.start_main_~i~5 67), 63410#(<= ULTIMATE.start_main_~i~5 68), 63411#(<= ULTIMATE.start_main_~i~5 69), 63412#(<= ULTIMATE.start_main_~i~5 70), 63413#(<= ULTIMATE.start_main_~i~5 71), 63414#(<= ULTIMATE.start_main_~i~5 72), 63415#(<= ULTIMATE.start_main_~i~5 73), 63416#(<= ULTIMATE.start_main_~i~5 74), 63417#(<= ULTIMATE.start_main_~i~5 75), 63418#(<= ULTIMATE.start_main_~i~5 76), 63419#(<= ULTIMATE.start_main_~i~5 77), 63420#(<= ULTIMATE.start_main_~i~5 78), 63421#(<= ULTIMATE.start_main_~i~5 79), 63422#(<= ULTIMATE.start_main_~i~5 80), 63423#(<= ULTIMATE.start_main_~i~5 81), 63424#(<= ULTIMATE.start_main_~i~5 82), 63425#(<= ULTIMATE.start_main_~i~5 83), 63426#(<= ULTIMATE.start_main_~i~5 84), 63427#(<= ULTIMATE.start_main_~i~5 85), 63428#(<= ULTIMATE.start_main_~i~5 86), 63429#(<= ULTIMATE.start_main_~i~5 87), 63430#(<= ULTIMATE.start_main_~i~5 88), 63431#(<= ULTIMATE.start_main_~i~5 89), 63432#(<= ULTIMATE.start_main_~i~5 90), 63433#(<= ULTIMATE.start_main_~i~5 91), 63434#(<= ULTIMATE.start_main_~i~5 92), 63435#(<= ULTIMATE.start_main_~i~5 93), 63436#(<= ULTIMATE.start_main_~i~5 94), 63437#(<= ULTIMATE.start_main_~i~5 95), 63438#(<= ULTIMATE.start_main_~i~5 96), 63439#(<= ULTIMATE.start_main_~i~5 97), 63440#(<= ULTIMATE.start_main_~i~5 98), 63441#(<= ULTIMATE.start_main_~i~5 99), 63442#(<= ULTIMATE.start_main_~i~5 100), 63443#(<= ULTIMATE.start_main_~i~5 101), 63444#(<= ULTIMATE.start_main_~i~5 102), 63445#(<= ULTIMATE.start_main_~i~5 103), 63446#(<= ULTIMATE.start_main_~i~5 104), 63447#(<= ULTIMATE.start_main_~i~5 105), 63448#(<= ULTIMATE.start_main_~i~5 106), 63449#(<= ULTIMATE.start_main_~i~5 107), 63450#(<= ULTIMATE.start_main_~i~5 108), 63451#(<= ULTIMATE.start_main_~i~5 109), 63452#(<= ULTIMATE.start_main_~i~5 110), 63453#(<= ULTIMATE.start_main_~i~5 111), 63454#(<= ULTIMATE.start_main_~i~5 112), 63455#(<= ULTIMATE.start_main_~i~5 113), 63456#(<= ULTIMATE.start_main_~i~5 114)] [2018-07-23 13:41:32,427 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,427 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:41:32,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:41:32,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:41:32,430 INFO L87 Difference]: Start difference. First operand 235 states and 236 transitions. Second operand 117 states. [2018-07-23 13:41:32,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:32,687 INFO L93 Difference]: Finished difference Result 241 states and 243 transitions. [2018-07-23 13:41:32,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:41:32,687 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 234 [2018-07-23 13:41:32,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:32,688 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:41:32,688 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:41:32,689 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 13:41:32,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:41:32,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:41:32,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:41:32,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 238 transitions. [2018-07-23 13:41:32,694 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 238 transitions. Word has length 234 [2018-07-23 13:41:32,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:32,694 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 238 transitions. [2018-07-23 13:41:32,694 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:41:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 238 transitions. [2018-07-23 13:41:32,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:41:32,696 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:32,696 INFO L357 BasicCegarLoop]: trace histogram [116, 115, 1, 1, 1, 1, 1] [2018-07-23 13:41:32,696 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:32,696 INFO L82 PathProgramCache]: Analyzing trace with hash 550503407, now seen corresponding path program 115 times [2018-07-23 13:41:32,696 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,373 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:33,373 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:41:33,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:33,373 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 13:41:33,374 INFO L185 omatonBuilderFactory]: Interpolants [64512#(<= ULTIMATE.start_main_~i~5 97), 64513#(<= ULTIMATE.start_main_~i~5 98), 64514#(<= ULTIMATE.start_main_~i~5 99), 64515#(<= ULTIMATE.start_main_~i~5 100), 64516#(<= ULTIMATE.start_main_~i~5 101), 64517#(<= ULTIMATE.start_main_~i~5 102), 64518#(<= ULTIMATE.start_main_~i~5 103), 64519#(<= ULTIMATE.start_main_~i~5 104), 64520#(<= ULTIMATE.start_main_~i~5 105), 64521#(<= ULTIMATE.start_main_~i~5 106), 64522#(<= ULTIMATE.start_main_~i~5 107), 64523#(<= ULTIMATE.start_main_~i~5 108), 64524#(<= ULTIMATE.start_main_~i~5 109), 64525#(<= ULTIMATE.start_main_~i~5 110), 64526#(<= ULTIMATE.start_main_~i~5 111), 64527#(<= ULTIMATE.start_main_~i~5 112), 64528#(<= ULTIMATE.start_main_~i~5 113), 64529#(<= ULTIMATE.start_main_~i~5 114), 64530#(<= ULTIMATE.start_main_~i~5 115), 64413#true, 64414#false, 64415#(<= ULTIMATE.start_main_~i~5 0), 64416#(<= ULTIMATE.start_main_~i~5 1), 64417#(<= ULTIMATE.start_main_~i~5 2), 64418#(<= ULTIMATE.start_main_~i~5 3), 64419#(<= ULTIMATE.start_main_~i~5 4), 64420#(<= ULTIMATE.start_main_~i~5 5), 64421#(<= ULTIMATE.start_main_~i~5 6), 64422#(<= ULTIMATE.start_main_~i~5 7), 64423#(<= ULTIMATE.start_main_~i~5 8), 64424#(<= ULTIMATE.start_main_~i~5 9), 64425#(<= ULTIMATE.start_main_~i~5 10), 64426#(<= ULTIMATE.start_main_~i~5 11), 64427#(<= ULTIMATE.start_main_~i~5 12), 64428#(<= ULTIMATE.start_main_~i~5 13), 64429#(<= ULTIMATE.start_main_~i~5 14), 64430#(<= ULTIMATE.start_main_~i~5 15), 64431#(<= ULTIMATE.start_main_~i~5 16), 64432#(<= ULTIMATE.start_main_~i~5 17), 64433#(<= ULTIMATE.start_main_~i~5 18), 64434#(<= ULTIMATE.start_main_~i~5 19), 64435#(<= ULTIMATE.start_main_~i~5 20), 64436#(<= ULTIMATE.start_main_~i~5 21), 64437#(<= ULTIMATE.start_main_~i~5 22), 64438#(<= ULTIMATE.start_main_~i~5 23), 64439#(<= ULTIMATE.start_main_~i~5 24), 64440#(<= ULTIMATE.start_main_~i~5 25), 64441#(<= ULTIMATE.start_main_~i~5 26), 64442#(<= ULTIMATE.start_main_~i~5 27), 64443#(<= ULTIMATE.start_main_~i~5 28), 64444#(<= ULTIMATE.start_main_~i~5 29), 64445#(<= ULTIMATE.start_main_~i~5 30), 64446#(<= ULTIMATE.start_main_~i~5 31), 64447#(<= ULTIMATE.start_main_~i~5 32), 64448#(<= ULTIMATE.start_main_~i~5 33), 64449#(<= ULTIMATE.start_main_~i~5 34), 64450#(<= ULTIMATE.start_main_~i~5 35), 64451#(<= ULTIMATE.start_main_~i~5 36), 64452#(<= ULTIMATE.start_main_~i~5 37), 64453#(<= ULTIMATE.start_main_~i~5 38), 64454#(<= ULTIMATE.start_main_~i~5 39), 64455#(<= ULTIMATE.start_main_~i~5 40), 64456#(<= ULTIMATE.start_main_~i~5 41), 64457#(<= ULTIMATE.start_main_~i~5 42), 64458#(<= ULTIMATE.start_main_~i~5 43), 64459#(<= ULTIMATE.start_main_~i~5 44), 64460#(<= ULTIMATE.start_main_~i~5 45), 64461#(<= ULTIMATE.start_main_~i~5 46), 64462#(<= ULTIMATE.start_main_~i~5 47), 64463#(<= ULTIMATE.start_main_~i~5 48), 64464#(<= ULTIMATE.start_main_~i~5 49), 64465#(<= ULTIMATE.start_main_~i~5 50), 64466#(<= ULTIMATE.start_main_~i~5 51), 64467#(<= ULTIMATE.start_main_~i~5 52), 64468#(<= ULTIMATE.start_main_~i~5 53), 64469#(<= ULTIMATE.start_main_~i~5 54), 64470#(<= ULTIMATE.start_main_~i~5 55), 64471#(<= ULTIMATE.start_main_~i~5 56), 64472#(<= ULTIMATE.start_main_~i~5 57), 64473#(<= ULTIMATE.start_main_~i~5 58), 64474#(<= ULTIMATE.start_main_~i~5 59), 64475#(<= ULTIMATE.start_main_~i~5 60), 64476#(<= ULTIMATE.start_main_~i~5 61), 64477#(<= ULTIMATE.start_main_~i~5 62), 64478#(<= ULTIMATE.start_main_~i~5 63), 64479#(<= ULTIMATE.start_main_~i~5 64), 64480#(<= ULTIMATE.start_main_~i~5 65), 64481#(<= ULTIMATE.start_main_~i~5 66), 64482#(<= ULTIMATE.start_main_~i~5 67), 64483#(<= ULTIMATE.start_main_~i~5 68), 64484#(<= ULTIMATE.start_main_~i~5 69), 64485#(<= ULTIMATE.start_main_~i~5 70), 64486#(<= ULTIMATE.start_main_~i~5 71), 64487#(<= ULTIMATE.start_main_~i~5 72), 64488#(<= ULTIMATE.start_main_~i~5 73), 64489#(<= ULTIMATE.start_main_~i~5 74), 64490#(<= ULTIMATE.start_main_~i~5 75), 64491#(<= ULTIMATE.start_main_~i~5 76), 64492#(<= ULTIMATE.start_main_~i~5 77), 64493#(<= ULTIMATE.start_main_~i~5 78), 64494#(<= ULTIMATE.start_main_~i~5 79), 64495#(<= ULTIMATE.start_main_~i~5 80), 64496#(<= ULTIMATE.start_main_~i~5 81), 64497#(<= ULTIMATE.start_main_~i~5 82), 64498#(<= ULTIMATE.start_main_~i~5 83), 64499#(<= ULTIMATE.start_main_~i~5 84), 64500#(<= ULTIMATE.start_main_~i~5 85), 64501#(<= ULTIMATE.start_main_~i~5 86), 64502#(<= ULTIMATE.start_main_~i~5 87), 64503#(<= ULTIMATE.start_main_~i~5 88), 64504#(<= ULTIMATE.start_main_~i~5 89), 64505#(<= ULTIMATE.start_main_~i~5 90), 64506#(<= ULTIMATE.start_main_~i~5 91), 64507#(<= ULTIMATE.start_main_~i~5 92), 64508#(<= ULTIMATE.start_main_~i~5 93), 64509#(<= ULTIMATE.start_main_~i~5 94), 64510#(<= ULTIMATE.start_main_~i~5 95), 64511#(<= ULTIMATE.start_main_~i~5 96)] [2018-07-23 13:41:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,374 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:41:33,375 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:41:33,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:41:33,376 INFO L87 Difference]: Start difference. First operand 237 states and 238 transitions. Second operand 118 states. [2018-07-23 13:41:33,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:33,549 INFO L93 Difference]: Finished difference Result 243 states and 245 transitions. [2018-07-23 13:41:33,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:41:33,549 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 236 [2018-07-23 13:41:33,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:33,550 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:41:33,550 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:41:33,551 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:41:33,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:41:33,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:41:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:41:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 240 transitions. [2018-07-23 13:41:33,555 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 240 transitions. Word has length 236 [2018-07-23 13:41:33,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:33,555 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 240 transitions. [2018-07-23 13:41:33,556 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:41:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 240 transitions. [2018-07-23 13:41:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:41:33,557 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:33,557 INFO L357 BasicCegarLoop]: trace histogram [117, 116, 1, 1, 1, 1, 1] [2018-07-23 13:41:33,557 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:33,557 INFO L82 PathProgramCache]: Analyzing trace with hash 669238507, now seen corresponding path program 116 times [2018-07-23 13:41:33,557 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,056 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:34,056 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:41:34,056 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:34,057 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 13:41:34,057 INFO L185 omatonBuilderFactory]: Interpolants [65537#(<= ULTIMATE.start_main_~i~5 40), 65536#(<= ULTIMATE.start_main_~i~5 39), 65539#(<= ULTIMATE.start_main_~i~5 42), 65538#(<= ULTIMATE.start_main_~i~5 41), 65541#(<= ULTIMATE.start_main_~i~5 44), 65540#(<= ULTIMATE.start_main_~i~5 43), 65543#(<= ULTIMATE.start_main_~i~5 46), 65542#(<= ULTIMATE.start_main_~i~5 45), 65545#(<= ULTIMATE.start_main_~i~5 48), 65544#(<= ULTIMATE.start_main_~i~5 47), 65547#(<= ULTIMATE.start_main_~i~5 50), 65546#(<= ULTIMATE.start_main_~i~5 49), 65549#(<= ULTIMATE.start_main_~i~5 52), 65548#(<= ULTIMATE.start_main_~i~5 51), 65551#(<= ULTIMATE.start_main_~i~5 54), 65550#(<= ULTIMATE.start_main_~i~5 53), 65553#(<= ULTIMATE.start_main_~i~5 56), 65552#(<= ULTIMATE.start_main_~i~5 55), 65555#(<= ULTIMATE.start_main_~i~5 58), 65554#(<= ULTIMATE.start_main_~i~5 57), 65557#(<= ULTIMATE.start_main_~i~5 60), 65556#(<= ULTIMATE.start_main_~i~5 59), 65559#(<= ULTIMATE.start_main_~i~5 62), 65558#(<= ULTIMATE.start_main_~i~5 61), 65561#(<= ULTIMATE.start_main_~i~5 64), 65560#(<= ULTIMATE.start_main_~i~5 63), 65563#(<= ULTIMATE.start_main_~i~5 66), 65562#(<= ULTIMATE.start_main_~i~5 65), 65565#(<= ULTIMATE.start_main_~i~5 68), 65564#(<= ULTIMATE.start_main_~i~5 67), 65567#(<= ULTIMATE.start_main_~i~5 70), 65566#(<= ULTIMATE.start_main_~i~5 69), 65569#(<= ULTIMATE.start_main_~i~5 72), 65568#(<= ULTIMATE.start_main_~i~5 71), 65571#(<= ULTIMATE.start_main_~i~5 74), 65570#(<= ULTIMATE.start_main_~i~5 73), 65573#(<= ULTIMATE.start_main_~i~5 76), 65572#(<= ULTIMATE.start_main_~i~5 75), 65575#(<= ULTIMATE.start_main_~i~5 78), 65574#(<= ULTIMATE.start_main_~i~5 77), 65577#(<= ULTIMATE.start_main_~i~5 80), 65576#(<= ULTIMATE.start_main_~i~5 79), 65579#(<= ULTIMATE.start_main_~i~5 82), 65578#(<= ULTIMATE.start_main_~i~5 81), 65581#(<= ULTIMATE.start_main_~i~5 84), 65580#(<= ULTIMATE.start_main_~i~5 83), 65583#(<= ULTIMATE.start_main_~i~5 86), 65582#(<= ULTIMATE.start_main_~i~5 85), 65585#(<= ULTIMATE.start_main_~i~5 88), 65584#(<= ULTIMATE.start_main_~i~5 87), 65587#(<= ULTIMATE.start_main_~i~5 90), 65586#(<= ULTIMATE.start_main_~i~5 89), 65589#(<= ULTIMATE.start_main_~i~5 92), 65588#(<= ULTIMATE.start_main_~i~5 91), 65591#(<= ULTIMATE.start_main_~i~5 94), 65590#(<= ULTIMATE.start_main_~i~5 93), 65593#(<= ULTIMATE.start_main_~i~5 96), 65592#(<= ULTIMATE.start_main_~i~5 95), 65595#(<= ULTIMATE.start_main_~i~5 98), 65594#(<= ULTIMATE.start_main_~i~5 97), 65597#(<= ULTIMATE.start_main_~i~5 100), 65596#(<= ULTIMATE.start_main_~i~5 99), 65599#(<= ULTIMATE.start_main_~i~5 102), 65598#(<= ULTIMATE.start_main_~i~5 101), 65601#(<= ULTIMATE.start_main_~i~5 104), 65600#(<= ULTIMATE.start_main_~i~5 103), 65603#(<= ULTIMATE.start_main_~i~5 106), 65602#(<= ULTIMATE.start_main_~i~5 105), 65605#(<= ULTIMATE.start_main_~i~5 108), 65604#(<= ULTIMATE.start_main_~i~5 107), 65607#(<= ULTIMATE.start_main_~i~5 110), 65606#(<= ULTIMATE.start_main_~i~5 109), 65609#(<= ULTIMATE.start_main_~i~5 112), 65608#(<= ULTIMATE.start_main_~i~5 111), 65611#(<= ULTIMATE.start_main_~i~5 114), 65610#(<= ULTIMATE.start_main_~i~5 113), 65613#(<= ULTIMATE.start_main_~i~5 116), 65612#(<= ULTIMATE.start_main_~i~5 115), 65495#true, 65496#false, 65497#(<= ULTIMATE.start_main_~i~5 0), 65498#(<= ULTIMATE.start_main_~i~5 1), 65499#(<= ULTIMATE.start_main_~i~5 2), 65500#(<= ULTIMATE.start_main_~i~5 3), 65501#(<= ULTIMATE.start_main_~i~5 4), 65502#(<= ULTIMATE.start_main_~i~5 5), 65503#(<= ULTIMATE.start_main_~i~5 6), 65504#(<= ULTIMATE.start_main_~i~5 7), 65505#(<= ULTIMATE.start_main_~i~5 8), 65506#(<= ULTIMATE.start_main_~i~5 9), 65507#(<= ULTIMATE.start_main_~i~5 10), 65508#(<= ULTIMATE.start_main_~i~5 11), 65509#(<= ULTIMATE.start_main_~i~5 12), 65510#(<= ULTIMATE.start_main_~i~5 13), 65511#(<= ULTIMATE.start_main_~i~5 14), 65512#(<= ULTIMATE.start_main_~i~5 15), 65513#(<= ULTIMATE.start_main_~i~5 16), 65514#(<= ULTIMATE.start_main_~i~5 17), 65515#(<= ULTIMATE.start_main_~i~5 18), 65516#(<= ULTIMATE.start_main_~i~5 19), 65517#(<= ULTIMATE.start_main_~i~5 20), 65518#(<= ULTIMATE.start_main_~i~5 21), 65519#(<= ULTIMATE.start_main_~i~5 22), 65520#(<= ULTIMATE.start_main_~i~5 23), 65521#(<= ULTIMATE.start_main_~i~5 24), 65522#(<= ULTIMATE.start_main_~i~5 25), 65523#(<= ULTIMATE.start_main_~i~5 26), 65524#(<= ULTIMATE.start_main_~i~5 27), 65525#(<= ULTIMATE.start_main_~i~5 28), 65526#(<= ULTIMATE.start_main_~i~5 29), 65527#(<= ULTIMATE.start_main_~i~5 30), 65528#(<= ULTIMATE.start_main_~i~5 31), 65529#(<= ULTIMATE.start_main_~i~5 32), 65530#(<= ULTIMATE.start_main_~i~5 33), 65531#(<= ULTIMATE.start_main_~i~5 34), 65532#(<= ULTIMATE.start_main_~i~5 35), 65533#(<= ULTIMATE.start_main_~i~5 36), 65534#(<= ULTIMATE.start_main_~i~5 37), 65535#(<= ULTIMATE.start_main_~i~5 38)] [2018-07-23 13:41:34,058 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,058 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:41:34,059 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:41:34,059 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:41:34,060 INFO L87 Difference]: Start difference. First operand 239 states and 240 transitions. Second operand 119 states. [2018-07-23 13:41:34,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:34,248 INFO L93 Difference]: Finished difference Result 245 states and 247 transitions. [2018-07-23 13:41:34,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:41:34,248 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 238 [2018-07-23 13:41:34,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:34,249 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:41:34,249 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:41:34,250 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 13:41:34,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:41:34,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:41:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:41:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 242 transitions. [2018-07-23 13:41:34,255 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 242 transitions. Word has length 238 [2018-07-23 13:41:34,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:34,255 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 242 transitions. [2018-07-23 13:41:34,255 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:41:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 242 transitions. [2018-07-23 13:41:34,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:41:34,256 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:34,257 INFO L357 BasicCegarLoop]: trace histogram [118, 117, 1, 1, 1, 1, 1] [2018-07-23 13:41:34,257 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:34,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1190447385, now seen corresponding path program 117 times [2018-07-23 13:41:34,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:34,751 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,751 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:34,751 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:41:34,752 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:34,752 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 13:41:34,752 INFO L185 omatonBuilderFactory]: Interpolants [66587#false, 66586#true, 66589#(<= ULTIMATE.start_main_~i~5 1), 66588#(<= ULTIMATE.start_main_~i~5 0), 66591#(<= ULTIMATE.start_main_~i~5 3), 66590#(<= ULTIMATE.start_main_~i~5 2), 66593#(<= ULTIMATE.start_main_~i~5 5), 66592#(<= ULTIMATE.start_main_~i~5 4), 66595#(<= ULTIMATE.start_main_~i~5 7), 66594#(<= ULTIMATE.start_main_~i~5 6), 66597#(<= ULTIMATE.start_main_~i~5 9), 66596#(<= ULTIMATE.start_main_~i~5 8), 66599#(<= ULTIMATE.start_main_~i~5 11), 66598#(<= ULTIMATE.start_main_~i~5 10), 66601#(<= ULTIMATE.start_main_~i~5 13), 66600#(<= ULTIMATE.start_main_~i~5 12), 66603#(<= ULTIMATE.start_main_~i~5 15), 66602#(<= ULTIMATE.start_main_~i~5 14), 66605#(<= ULTIMATE.start_main_~i~5 17), 66604#(<= ULTIMATE.start_main_~i~5 16), 66607#(<= ULTIMATE.start_main_~i~5 19), 66606#(<= ULTIMATE.start_main_~i~5 18), 66609#(<= ULTIMATE.start_main_~i~5 21), 66608#(<= ULTIMATE.start_main_~i~5 20), 66611#(<= ULTIMATE.start_main_~i~5 23), 66610#(<= ULTIMATE.start_main_~i~5 22), 66613#(<= ULTIMATE.start_main_~i~5 25), 66612#(<= ULTIMATE.start_main_~i~5 24), 66615#(<= ULTIMATE.start_main_~i~5 27), 66614#(<= ULTIMATE.start_main_~i~5 26), 66617#(<= ULTIMATE.start_main_~i~5 29), 66616#(<= ULTIMATE.start_main_~i~5 28), 66619#(<= ULTIMATE.start_main_~i~5 31), 66618#(<= ULTIMATE.start_main_~i~5 30), 66621#(<= ULTIMATE.start_main_~i~5 33), 66620#(<= ULTIMATE.start_main_~i~5 32), 66623#(<= ULTIMATE.start_main_~i~5 35), 66622#(<= ULTIMATE.start_main_~i~5 34), 66625#(<= ULTIMATE.start_main_~i~5 37), 66624#(<= ULTIMATE.start_main_~i~5 36), 66627#(<= ULTIMATE.start_main_~i~5 39), 66626#(<= ULTIMATE.start_main_~i~5 38), 66629#(<= ULTIMATE.start_main_~i~5 41), 66628#(<= ULTIMATE.start_main_~i~5 40), 66631#(<= ULTIMATE.start_main_~i~5 43), 66630#(<= ULTIMATE.start_main_~i~5 42), 66633#(<= ULTIMATE.start_main_~i~5 45), 66632#(<= ULTIMATE.start_main_~i~5 44), 66635#(<= ULTIMATE.start_main_~i~5 47), 66634#(<= ULTIMATE.start_main_~i~5 46), 66637#(<= ULTIMATE.start_main_~i~5 49), 66636#(<= ULTIMATE.start_main_~i~5 48), 66639#(<= ULTIMATE.start_main_~i~5 51), 66638#(<= ULTIMATE.start_main_~i~5 50), 66641#(<= ULTIMATE.start_main_~i~5 53), 66640#(<= ULTIMATE.start_main_~i~5 52), 66643#(<= ULTIMATE.start_main_~i~5 55), 66642#(<= ULTIMATE.start_main_~i~5 54), 66645#(<= ULTIMATE.start_main_~i~5 57), 66644#(<= ULTIMATE.start_main_~i~5 56), 66647#(<= ULTIMATE.start_main_~i~5 59), 66646#(<= ULTIMATE.start_main_~i~5 58), 66649#(<= ULTIMATE.start_main_~i~5 61), 66648#(<= ULTIMATE.start_main_~i~5 60), 66651#(<= ULTIMATE.start_main_~i~5 63), 66650#(<= ULTIMATE.start_main_~i~5 62), 66653#(<= ULTIMATE.start_main_~i~5 65), 66652#(<= ULTIMATE.start_main_~i~5 64), 66655#(<= ULTIMATE.start_main_~i~5 67), 66654#(<= ULTIMATE.start_main_~i~5 66), 66657#(<= ULTIMATE.start_main_~i~5 69), 66656#(<= ULTIMATE.start_main_~i~5 68), 66659#(<= ULTIMATE.start_main_~i~5 71), 66658#(<= ULTIMATE.start_main_~i~5 70), 66661#(<= ULTIMATE.start_main_~i~5 73), 66660#(<= ULTIMATE.start_main_~i~5 72), 66663#(<= ULTIMATE.start_main_~i~5 75), 66662#(<= ULTIMATE.start_main_~i~5 74), 66665#(<= ULTIMATE.start_main_~i~5 77), 66664#(<= ULTIMATE.start_main_~i~5 76), 66667#(<= ULTIMATE.start_main_~i~5 79), 66666#(<= ULTIMATE.start_main_~i~5 78), 66669#(<= ULTIMATE.start_main_~i~5 81), 66668#(<= ULTIMATE.start_main_~i~5 80), 66671#(<= ULTIMATE.start_main_~i~5 83), 66670#(<= ULTIMATE.start_main_~i~5 82), 66673#(<= ULTIMATE.start_main_~i~5 85), 66672#(<= ULTIMATE.start_main_~i~5 84), 66675#(<= ULTIMATE.start_main_~i~5 87), 66674#(<= ULTIMATE.start_main_~i~5 86), 66677#(<= ULTIMATE.start_main_~i~5 89), 66676#(<= ULTIMATE.start_main_~i~5 88), 66679#(<= ULTIMATE.start_main_~i~5 91), 66678#(<= ULTIMATE.start_main_~i~5 90), 66681#(<= ULTIMATE.start_main_~i~5 93), 66680#(<= ULTIMATE.start_main_~i~5 92), 66683#(<= ULTIMATE.start_main_~i~5 95), 66682#(<= ULTIMATE.start_main_~i~5 94), 66685#(<= ULTIMATE.start_main_~i~5 97), 66684#(<= ULTIMATE.start_main_~i~5 96), 66687#(<= ULTIMATE.start_main_~i~5 99), 66686#(<= ULTIMATE.start_main_~i~5 98), 66689#(<= ULTIMATE.start_main_~i~5 101), 66688#(<= ULTIMATE.start_main_~i~5 100), 66691#(<= ULTIMATE.start_main_~i~5 103), 66690#(<= ULTIMATE.start_main_~i~5 102), 66693#(<= ULTIMATE.start_main_~i~5 105), 66692#(<= ULTIMATE.start_main_~i~5 104), 66695#(<= ULTIMATE.start_main_~i~5 107), 66694#(<= ULTIMATE.start_main_~i~5 106), 66697#(<= ULTIMATE.start_main_~i~5 109), 66696#(<= ULTIMATE.start_main_~i~5 108), 66699#(<= ULTIMATE.start_main_~i~5 111), 66698#(<= ULTIMATE.start_main_~i~5 110), 66701#(<= ULTIMATE.start_main_~i~5 113), 66700#(<= ULTIMATE.start_main_~i~5 112), 66703#(<= ULTIMATE.start_main_~i~5 115), 66702#(<= ULTIMATE.start_main_~i~5 114), 66705#(<= ULTIMATE.start_main_~i~5 117), 66704#(<= ULTIMATE.start_main_~i~5 116)] [2018-07-23 13:41:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,753 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:41:34,755 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:41:34,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:41:34,755 INFO L87 Difference]: Start difference. First operand 241 states and 242 transitions. Second operand 120 states. [2018-07-23 13:41:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:35,081 INFO L93 Difference]: Finished difference Result 247 states and 249 transitions. [2018-07-23 13:41:35,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:41:35,081 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 240 [2018-07-23 13:41:35,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:35,082 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:41:35,082 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:41:35,083 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:41:35,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:41:35,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:41:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:41:35,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 244 transitions. [2018-07-23 13:41:35,086 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 244 transitions. Word has length 240 [2018-07-23 13:41:35,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:35,086 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 244 transitions. [2018-07-23 13:41:35,087 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:41:35,087 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 244 transitions. [2018-07-23 13:41:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:41:35,088 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:35,088 INFO L357 BasicCegarLoop]: trace histogram [119, 118, 1, 1, 1, 1, 1] [2018-07-23 13:41:35,088 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:35,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1642194461, now seen corresponding path program 118 times [2018-07-23 13:41:35,088 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,619 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:35,619 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:41:35,619 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:35,619 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 13:41:35,619 INFO L185 omatonBuilderFactory]: Interpolants [67687#false, 67686#true, 67689#(<= ULTIMATE.start_main_~i~5 1), 67688#(<= ULTIMATE.start_main_~i~5 0), 67691#(<= ULTIMATE.start_main_~i~5 3), 67690#(<= ULTIMATE.start_main_~i~5 2), 67693#(<= ULTIMATE.start_main_~i~5 5), 67692#(<= ULTIMATE.start_main_~i~5 4), 67695#(<= ULTIMATE.start_main_~i~5 7), 67694#(<= ULTIMATE.start_main_~i~5 6), 67697#(<= ULTIMATE.start_main_~i~5 9), 67696#(<= ULTIMATE.start_main_~i~5 8), 67699#(<= ULTIMATE.start_main_~i~5 11), 67698#(<= ULTIMATE.start_main_~i~5 10), 67701#(<= ULTIMATE.start_main_~i~5 13), 67700#(<= ULTIMATE.start_main_~i~5 12), 67703#(<= ULTIMATE.start_main_~i~5 15), 67702#(<= ULTIMATE.start_main_~i~5 14), 67705#(<= ULTIMATE.start_main_~i~5 17), 67704#(<= ULTIMATE.start_main_~i~5 16), 67707#(<= ULTIMATE.start_main_~i~5 19), 67706#(<= ULTIMATE.start_main_~i~5 18), 67709#(<= ULTIMATE.start_main_~i~5 21), 67708#(<= ULTIMATE.start_main_~i~5 20), 67711#(<= ULTIMATE.start_main_~i~5 23), 67710#(<= ULTIMATE.start_main_~i~5 22), 67713#(<= ULTIMATE.start_main_~i~5 25), 67712#(<= ULTIMATE.start_main_~i~5 24), 67715#(<= ULTIMATE.start_main_~i~5 27), 67714#(<= ULTIMATE.start_main_~i~5 26), 67717#(<= ULTIMATE.start_main_~i~5 29), 67716#(<= ULTIMATE.start_main_~i~5 28), 67719#(<= ULTIMATE.start_main_~i~5 31), 67718#(<= ULTIMATE.start_main_~i~5 30), 67721#(<= ULTIMATE.start_main_~i~5 33), 67720#(<= ULTIMATE.start_main_~i~5 32), 67723#(<= ULTIMATE.start_main_~i~5 35), 67722#(<= ULTIMATE.start_main_~i~5 34), 67725#(<= ULTIMATE.start_main_~i~5 37), 67724#(<= ULTIMATE.start_main_~i~5 36), 67727#(<= ULTIMATE.start_main_~i~5 39), 67726#(<= ULTIMATE.start_main_~i~5 38), 67729#(<= ULTIMATE.start_main_~i~5 41), 67728#(<= ULTIMATE.start_main_~i~5 40), 67731#(<= ULTIMATE.start_main_~i~5 43), 67730#(<= ULTIMATE.start_main_~i~5 42), 67733#(<= ULTIMATE.start_main_~i~5 45), 67732#(<= ULTIMATE.start_main_~i~5 44), 67735#(<= ULTIMATE.start_main_~i~5 47), 67734#(<= ULTIMATE.start_main_~i~5 46), 67737#(<= ULTIMATE.start_main_~i~5 49), 67736#(<= ULTIMATE.start_main_~i~5 48), 67739#(<= ULTIMATE.start_main_~i~5 51), 67738#(<= ULTIMATE.start_main_~i~5 50), 67741#(<= ULTIMATE.start_main_~i~5 53), 67740#(<= ULTIMATE.start_main_~i~5 52), 67743#(<= ULTIMATE.start_main_~i~5 55), 67742#(<= ULTIMATE.start_main_~i~5 54), 67745#(<= ULTIMATE.start_main_~i~5 57), 67744#(<= ULTIMATE.start_main_~i~5 56), 67747#(<= ULTIMATE.start_main_~i~5 59), 67746#(<= ULTIMATE.start_main_~i~5 58), 67749#(<= ULTIMATE.start_main_~i~5 61), 67748#(<= ULTIMATE.start_main_~i~5 60), 67751#(<= ULTIMATE.start_main_~i~5 63), 67750#(<= ULTIMATE.start_main_~i~5 62), 67753#(<= ULTIMATE.start_main_~i~5 65), 67752#(<= ULTIMATE.start_main_~i~5 64), 67755#(<= ULTIMATE.start_main_~i~5 67), 67754#(<= ULTIMATE.start_main_~i~5 66), 67757#(<= ULTIMATE.start_main_~i~5 69), 67756#(<= ULTIMATE.start_main_~i~5 68), 67759#(<= ULTIMATE.start_main_~i~5 71), 67758#(<= ULTIMATE.start_main_~i~5 70), 67761#(<= ULTIMATE.start_main_~i~5 73), 67760#(<= ULTIMATE.start_main_~i~5 72), 67763#(<= ULTIMATE.start_main_~i~5 75), 67762#(<= ULTIMATE.start_main_~i~5 74), 67765#(<= ULTIMATE.start_main_~i~5 77), 67764#(<= ULTIMATE.start_main_~i~5 76), 67767#(<= ULTIMATE.start_main_~i~5 79), 67766#(<= ULTIMATE.start_main_~i~5 78), 67769#(<= ULTIMATE.start_main_~i~5 81), 67768#(<= ULTIMATE.start_main_~i~5 80), 67771#(<= ULTIMATE.start_main_~i~5 83), 67770#(<= ULTIMATE.start_main_~i~5 82), 67773#(<= ULTIMATE.start_main_~i~5 85), 67772#(<= ULTIMATE.start_main_~i~5 84), 67775#(<= ULTIMATE.start_main_~i~5 87), 67774#(<= ULTIMATE.start_main_~i~5 86), 67777#(<= ULTIMATE.start_main_~i~5 89), 67776#(<= ULTIMATE.start_main_~i~5 88), 67779#(<= ULTIMATE.start_main_~i~5 91), 67778#(<= ULTIMATE.start_main_~i~5 90), 67781#(<= ULTIMATE.start_main_~i~5 93), 67780#(<= ULTIMATE.start_main_~i~5 92), 67783#(<= ULTIMATE.start_main_~i~5 95), 67782#(<= ULTIMATE.start_main_~i~5 94), 67785#(<= ULTIMATE.start_main_~i~5 97), 67784#(<= ULTIMATE.start_main_~i~5 96), 67787#(<= ULTIMATE.start_main_~i~5 99), 67786#(<= ULTIMATE.start_main_~i~5 98), 67789#(<= ULTIMATE.start_main_~i~5 101), 67788#(<= ULTIMATE.start_main_~i~5 100), 67791#(<= ULTIMATE.start_main_~i~5 103), 67790#(<= ULTIMATE.start_main_~i~5 102), 67793#(<= ULTIMATE.start_main_~i~5 105), 67792#(<= ULTIMATE.start_main_~i~5 104), 67795#(<= ULTIMATE.start_main_~i~5 107), 67794#(<= ULTIMATE.start_main_~i~5 106), 67797#(<= ULTIMATE.start_main_~i~5 109), 67796#(<= ULTIMATE.start_main_~i~5 108), 67799#(<= ULTIMATE.start_main_~i~5 111), 67798#(<= ULTIMATE.start_main_~i~5 110), 67801#(<= ULTIMATE.start_main_~i~5 113), 67800#(<= ULTIMATE.start_main_~i~5 112), 67803#(<= ULTIMATE.start_main_~i~5 115), 67802#(<= ULTIMATE.start_main_~i~5 114), 67805#(<= ULTIMATE.start_main_~i~5 117), 67804#(<= ULTIMATE.start_main_~i~5 116), 67806#(<= ULTIMATE.start_main_~i~5 118)] [2018-07-23 13:41:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,620 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:41:35,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:41:35,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:41:35,622 INFO L87 Difference]: Start difference. First operand 243 states and 244 transitions. Second operand 121 states. [2018-07-23 13:41:35,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:35,919 INFO L93 Difference]: Finished difference Result 249 states and 251 transitions. [2018-07-23 13:41:35,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:41:35,919 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 242 [2018-07-23 13:41:35,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:35,920 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:41:35,920 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:41:35,921 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:41:35,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:41:35,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:41:35,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:41:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 246 transitions. [2018-07-23 13:41:35,925 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 246 transitions. Word has length 242 [2018-07-23 13:41:35,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:35,925 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 246 transitions. [2018-07-23 13:41:35,925 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:41:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 246 transitions. [2018-07-23 13:41:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:41:35,926 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:35,926 INFO L357 BasicCegarLoop]: trace histogram [120, 119, 1, 1, 1, 1, 1] [2018-07-23 13:41:35,926 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:35,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1979437601, now seen corresponding path program 119 times [2018-07-23 13:41:35,926 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,447 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:36,447 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:41:36,447 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:36,448 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 13:41:36,448 INFO L185 omatonBuilderFactory]: Interpolants [68865#(<= ULTIMATE.start_main_~i~5 68), 68864#(<= ULTIMATE.start_main_~i~5 67), 68867#(<= ULTIMATE.start_main_~i~5 70), 68866#(<= ULTIMATE.start_main_~i~5 69), 68869#(<= ULTIMATE.start_main_~i~5 72), 68868#(<= ULTIMATE.start_main_~i~5 71), 68871#(<= ULTIMATE.start_main_~i~5 74), 68870#(<= ULTIMATE.start_main_~i~5 73), 68873#(<= ULTIMATE.start_main_~i~5 76), 68872#(<= ULTIMATE.start_main_~i~5 75), 68875#(<= ULTIMATE.start_main_~i~5 78), 68874#(<= ULTIMATE.start_main_~i~5 77), 68877#(<= ULTIMATE.start_main_~i~5 80), 68876#(<= ULTIMATE.start_main_~i~5 79), 68879#(<= ULTIMATE.start_main_~i~5 82), 68878#(<= ULTIMATE.start_main_~i~5 81), 68881#(<= ULTIMATE.start_main_~i~5 84), 68880#(<= ULTIMATE.start_main_~i~5 83), 68883#(<= ULTIMATE.start_main_~i~5 86), 68882#(<= ULTIMATE.start_main_~i~5 85), 68885#(<= ULTIMATE.start_main_~i~5 88), 68884#(<= ULTIMATE.start_main_~i~5 87), 68887#(<= ULTIMATE.start_main_~i~5 90), 68886#(<= ULTIMATE.start_main_~i~5 89), 68889#(<= ULTIMATE.start_main_~i~5 92), 68888#(<= ULTIMATE.start_main_~i~5 91), 68891#(<= ULTIMATE.start_main_~i~5 94), 68890#(<= ULTIMATE.start_main_~i~5 93), 68893#(<= ULTIMATE.start_main_~i~5 96), 68892#(<= ULTIMATE.start_main_~i~5 95), 68895#(<= ULTIMATE.start_main_~i~5 98), 68894#(<= ULTIMATE.start_main_~i~5 97), 68897#(<= ULTIMATE.start_main_~i~5 100), 68896#(<= ULTIMATE.start_main_~i~5 99), 68899#(<= ULTIMATE.start_main_~i~5 102), 68898#(<= ULTIMATE.start_main_~i~5 101), 68901#(<= ULTIMATE.start_main_~i~5 104), 68900#(<= ULTIMATE.start_main_~i~5 103), 68903#(<= ULTIMATE.start_main_~i~5 106), 68902#(<= ULTIMATE.start_main_~i~5 105), 68905#(<= ULTIMATE.start_main_~i~5 108), 68904#(<= ULTIMATE.start_main_~i~5 107), 68907#(<= ULTIMATE.start_main_~i~5 110), 68906#(<= ULTIMATE.start_main_~i~5 109), 68909#(<= ULTIMATE.start_main_~i~5 112), 68908#(<= ULTIMATE.start_main_~i~5 111), 68911#(<= ULTIMATE.start_main_~i~5 114), 68910#(<= ULTIMATE.start_main_~i~5 113), 68913#(<= ULTIMATE.start_main_~i~5 116), 68912#(<= ULTIMATE.start_main_~i~5 115), 68915#(<= ULTIMATE.start_main_~i~5 118), 68914#(<= ULTIMATE.start_main_~i~5 117), 68916#(<= ULTIMATE.start_main_~i~5 119), 68795#true, 68797#(<= ULTIMATE.start_main_~i~5 0), 68796#false, 68799#(<= ULTIMATE.start_main_~i~5 2), 68798#(<= ULTIMATE.start_main_~i~5 1), 68801#(<= ULTIMATE.start_main_~i~5 4), 68800#(<= ULTIMATE.start_main_~i~5 3), 68803#(<= ULTIMATE.start_main_~i~5 6), 68802#(<= ULTIMATE.start_main_~i~5 5), 68805#(<= ULTIMATE.start_main_~i~5 8), 68804#(<= ULTIMATE.start_main_~i~5 7), 68807#(<= ULTIMATE.start_main_~i~5 10), 68806#(<= ULTIMATE.start_main_~i~5 9), 68809#(<= ULTIMATE.start_main_~i~5 12), 68808#(<= ULTIMATE.start_main_~i~5 11), 68811#(<= ULTIMATE.start_main_~i~5 14), 68810#(<= ULTIMATE.start_main_~i~5 13), 68813#(<= ULTIMATE.start_main_~i~5 16), 68812#(<= ULTIMATE.start_main_~i~5 15), 68815#(<= ULTIMATE.start_main_~i~5 18), 68814#(<= ULTIMATE.start_main_~i~5 17), 68817#(<= ULTIMATE.start_main_~i~5 20), 68816#(<= ULTIMATE.start_main_~i~5 19), 68819#(<= ULTIMATE.start_main_~i~5 22), 68818#(<= ULTIMATE.start_main_~i~5 21), 68821#(<= ULTIMATE.start_main_~i~5 24), 68820#(<= ULTIMATE.start_main_~i~5 23), 68823#(<= ULTIMATE.start_main_~i~5 26), 68822#(<= ULTIMATE.start_main_~i~5 25), 68825#(<= ULTIMATE.start_main_~i~5 28), 68824#(<= ULTIMATE.start_main_~i~5 27), 68827#(<= ULTIMATE.start_main_~i~5 30), 68826#(<= ULTIMATE.start_main_~i~5 29), 68829#(<= ULTIMATE.start_main_~i~5 32), 68828#(<= ULTIMATE.start_main_~i~5 31), 68831#(<= ULTIMATE.start_main_~i~5 34), 68830#(<= ULTIMATE.start_main_~i~5 33), 68833#(<= ULTIMATE.start_main_~i~5 36), 68832#(<= ULTIMATE.start_main_~i~5 35), 68835#(<= ULTIMATE.start_main_~i~5 38), 68834#(<= ULTIMATE.start_main_~i~5 37), 68837#(<= ULTIMATE.start_main_~i~5 40), 68836#(<= ULTIMATE.start_main_~i~5 39), 68839#(<= ULTIMATE.start_main_~i~5 42), 68838#(<= ULTIMATE.start_main_~i~5 41), 68841#(<= ULTIMATE.start_main_~i~5 44), 68840#(<= ULTIMATE.start_main_~i~5 43), 68843#(<= ULTIMATE.start_main_~i~5 46), 68842#(<= ULTIMATE.start_main_~i~5 45), 68845#(<= ULTIMATE.start_main_~i~5 48), 68844#(<= ULTIMATE.start_main_~i~5 47), 68847#(<= ULTIMATE.start_main_~i~5 50), 68846#(<= ULTIMATE.start_main_~i~5 49), 68849#(<= ULTIMATE.start_main_~i~5 52), 68848#(<= ULTIMATE.start_main_~i~5 51), 68851#(<= ULTIMATE.start_main_~i~5 54), 68850#(<= ULTIMATE.start_main_~i~5 53), 68853#(<= ULTIMATE.start_main_~i~5 56), 68852#(<= ULTIMATE.start_main_~i~5 55), 68855#(<= ULTIMATE.start_main_~i~5 58), 68854#(<= ULTIMATE.start_main_~i~5 57), 68857#(<= ULTIMATE.start_main_~i~5 60), 68856#(<= ULTIMATE.start_main_~i~5 59), 68859#(<= ULTIMATE.start_main_~i~5 62), 68858#(<= ULTIMATE.start_main_~i~5 61), 68861#(<= ULTIMATE.start_main_~i~5 64), 68860#(<= ULTIMATE.start_main_~i~5 63), 68863#(<= ULTIMATE.start_main_~i~5 66), 68862#(<= ULTIMATE.start_main_~i~5 65)] [2018-07-23 13:41:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,449 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:41:36,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:41:36,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:41:36,451 INFO L87 Difference]: Start difference. First operand 245 states and 246 transitions. Second operand 122 states. [2018-07-23 13:41:36,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:36,571 INFO L93 Difference]: Finished difference Result 251 states and 253 transitions. [2018-07-23 13:41:36,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:41:36,571 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 244 [2018-07-23 13:41:36,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:36,572 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:41:36,572 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:41:36,573 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:41:36,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:41:36,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:41:36,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:41:36,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 248 transitions. [2018-07-23 13:41:36,578 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 248 transitions. Word has length 244 [2018-07-23 13:41:36,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:36,579 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 248 transitions. [2018-07-23 13:41:36,579 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:41:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 248 transitions. [2018-07-23 13:41:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:41:36,580 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:36,580 INFO L357 BasicCegarLoop]: trace histogram [121, 120, 1, 1, 1, 1, 1] [2018-07-23 13:41:36,580 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:36,580 INFO L82 PathProgramCache]: Analyzing trace with hash 347419355, now seen corresponding path program 120 times [2018-07-23 13:41:36,581 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,120 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:37,120 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:41:37,120 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:37,120 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 13:41:37,121 INFO L185 omatonBuilderFactory]: Interpolants [69913#true, 69915#(<= ULTIMATE.start_main_~i~5 0), 69914#false, 69917#(<= ULTIMATE.start_main_~i~5 2), 69916#(<= ULTIMATE.start_main_~i~5 1), 69919#(<= ULTIMATE.start_main_~i~5 4), 69918#(<= ULTIMATE.start_main_~i~5 3), 69921#(<= ULTIMATE.start_main_~i~5 6), 69920#(<= ULTIMATE.start_main_~i~5 5), 69923#(<= ULTIMATE.start_main_~i~5 8), 69922#(<= ULTIMATE.start_main_~i~5 7), 69925#(<= ULTIMATE.start_main_~i~5 10), 69924#(<= ULTIMATE.start_main_~i~5 9), 69927#(<= ULTIMATE.start_main_~i~5 12), 69926#(<= ULTIMATE.start_main_~i~5 11), 69929#(<= ULTIMATE.start_main_~i~5 14), 69928#(<= ULTIMATE.start_main_~i~5 13), 69931#(<= ULTIMATE.start_main_~i~5 16), 69930#(<= ULTIMATE.start_main_~i~5 15), 69933#(<= ULTIMATE.start_main_~i~5 18), 69932#(<= ULTIMATE.start_main_~i~5 17), 69935#(<= ULTIMATE.start_main_~i~5 20), 69934#(<= ULTIMATE.start_main_~i~5 19), 69937#(<= ULTIMATE.start_main_~i~5 22), 69936#(<= ULTIMATE.start_main_~i~5 21), 69939#(<= ULTIMATE.start_main_~i~5 24), 69938#(<= ULTIMATE.start_main_~i~5 23), 69941#(<= ULTIMATE.start_main_~i~5 26), 69940#(<= ULTIMATE.start_main_~i~5 25), 69943#(<= ULTIMATE.start_main_~i~5 28), 69942#(<= ULTIMATE.start_main_~i~5 27), 69945#(<= ULTIMATE.start_main_~i~5 30), 69944#(<= ULTIMATE.start_main_~i~5 29), 69947#(<= ULTIMATE.start_main_~i~5 32), 69946#(<= ULTIMATE.start_main_~i~5 31), 69949#(<= ULTIMATE.start_main_~i~5 34), 69948#(<= ULTIMATE.start_main_~i~5 33), 69951#(<= ULTIMATE.start_main_~i~5 36), 69950#(<= ULTIMATE.start_main_~i~5 35), 69953#(<= ULTIMATE.start_main_~i~5 38), 69952#(<= ULTIMATE.start_main_~i~5 37), 69955#(<= ULTIMATE.start_main_~i~5 40), 69954#(<= ULTIMATE.start_main_~i~5 39), 69957#(<= ULTIMATE.start_main_~i~5 42), 69956#(<= ULTIMATE.start_main_~i~5 41), 69959#(<= ULTIMATE.start_main_~i~5 44), 69958#(<= ULTIMATE.start_main_~i~5 43), 69961#(<= ULTIMATE.start_main_~i~5 46), 69960#(<= ULTIMATE.start_main_~i~5 45), 69963#(<= ULTIMATE.start_main_~i~5 48), 69962#(<= ULTIMATE.start_main_~i~5 47), 69965#(<= ULTIMATE.start_main_~i~5 50), 69964#(<= ULTIMATE.start_main_~i~5 49), 69967#(<= ULTIMATE.start_main_~i~5 52), 69966#(<= ULTIMATE.start_main_~i~5 51), 69969#(<= ULTIMATE.start_main_~i~5 54), 69968#(<= ULTIMATE.start_main_~i~5 53), 69971#(<= ULTIMATE.start_main_~i~5 56), 69970#(<= ULTIMATE.start_main_~i~5 55), 69973#(<= ULTIMATE.start_main_~i~5 58), 69972#(<= ULTIMATE.start_main_~i~5 57), 69975#(<= ULTIMATE.start_main_~i~5 60), 69974#(<= ULTIMATE.start_main_~i~5 59), 69977#(<= ULTIMATE.start_main_~i~5 62), 69976#(<= ULTIMATE.start_main_~i~5 61), 69979#(<= ULTIMATE.start_main_~i~5 64), 69978#(<= ULTIMATE.start_main_~i~5 63), 69981#(<= ULTIMATE.start_main_~i~5 66), 69980#(<= ULTIMATE.start_main_~i~5 65), 69983#(<= ULTIMATE.start_main_~i~5 68), 69982#(<= ULTIMATE.start_main_~i~5 67), 69985#(<= ULTIMATE.start_main_~i~5 70), 69984#(<= ULTIMATE.start_main_~i~5 69), 69987#(<= ULTIMATE.start_main_~i~5 72), 69986#(<= ULTIMATE.start_main_~i~5 71), 69989#(<= ULTIMATE.start_main_~i~5 74), 69988#(<= ULTIMATE.start_main_~i~5 73), 69991#(<= ULTIMATE.start_main_~i~5 76), 69990#(<= ULTIMATE.start_main_~i~5 75), 69993#(<= ULTIMATE.start_main_~i~5 78), 69992#(<= ULTIMATE.start_main_~i~5 77), 69995#(<= ULTIMATE.start_main_~i~5 80), 69994#(<= ULTIMATE.start_main_~i~5 79), 69997#(<= ULTIMATE.start_main_~i~5 82), 69996#(<= ULTIMATE.start_main_~i~5 81), 69999#(<= ULTIMATE.start_main_~i~5 84), 69998#(<= ULTIMATE.start_main_~i~5 83), 70001#(<= ULTIMATE.start_main_~i~5 86), 70000#(<= ULTIMATE.start_main_~i~5 85), 70003#(<= ULTIMATE.start_main_~i~5 88), 70002#(<= ULTIMATE.start_main_~i~5 87), 70005#(<= ULTIMATE.start_main_~i~5 90), 70004#(<= ULTIMATE.start_main_~i~5 89), 70007#(<= ULTIMATE.start_main_~i~5 92), 70006#(<= ULTIMATE.start_main_~i~5 91), 70009#(<= ULTIMATE.start_main_~i~5 94), 70008#(<= ULTIMATE.start_main_~i~5 93), 70011#(<= ULTIMATE.start_main_~i~5 96), 70010#(<= ULTIMATE.start_main_~i~5 95), 70013#(<= ULTIMATE.start_main_~i~5 98), 70012#(<= ULTIMATE.start_main_~i~5 97), 70015#(<= ULTIMATE.start_main_~i~5 100), 70014#(<= ULTIMATE.start_main_~i~5 99), 70017#(<= ULTIMATE.start_main_~i~5 102), 70016#(<= ULTIMATE.start_main_~i~5 101), 70019#(<= ULTIMATE.start_main_~i~5 104), 70018#(<= ULTIMATE.start_main_~i~5 103), 70021#(<= ULTIMATE.start_main_~i~5 106), 70020#(<= ULTIMATE.start_main_~i~5 105), 70023#(<= ULTIMATE.start_main_~i~5 108), 70022#(<= ULTIMATE.start_main_~i~5 107), 70025#(<= ULTIMATE.start_main_~i~5 110), 70024#(<= ULTIMATE.start_main_~i~5 109), 70027#(<= ULTIMATE.start_main_~i~5 112), 70026#(<= ULTIMATE.start_main_~i~5 111), 70029#(<= ULTIMATE.start_main_~i~5 114), 70028#(<= ULTIMATE.start_main_~i~5 113), 70031#(<= ULTIMATE.start_main_~i~5 116), 70030#(<= ULTIMATE.start_main_~i~5 115), 70033#(<= ULTIMATE.start_main_~i~5 118), 70032#(<= ULTIMATE.start_main_~i~5 117), 70035#(<= ULTIMATE.start_main_~i~5 120), 70034#(<= ULTIMATE.start_main_~i~5 119)] [2018-07-23 13:41:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,121 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:41:37,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:41:37,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:41:37,124 INFO L87 Difference]: Start difference. First operand 247 states and 248 transitions. Second operand 123 states. [2018-07-23 13:41:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:37,475 INFO L93 Difference]: Finished difference Result 253 states and 255 transitions. [2018-07-23 13:41:37,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:41:37,475 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 246 [2018-07-23 13:41:37,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:37,476 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:41:37,476 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:41:37,477 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:41:37,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:41:37,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:41:37,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:41:37,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 250 transitions. [2018-07-23 13:41:37,482 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 250 transitions. Word has length 246 [2018-07-23 13:41:37,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:37,482 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 250 transitions. [2018-07-23 13:41:37,482 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:41:37,482 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 250 transitions. [2018-07-23 13:41:37,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:41:37,483 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:37,484 INFO L357 BasicCegarLoop]: trace histogram [122, 121, 1, 1, 1, 1, 1] [2018-07-23 13:41:37,484 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:37,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1221007145, now seen corresponding path program 121 times [2018-07-23 13:41:37,484 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,054 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:38,055 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:41:38,055 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:38,055 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 13:41:38,056 INFO L185 omatonBuilderFactory]: Interpolants [71041#false, 71040#true, 71043#(<= ULTIMATE.start_main_~i~5 1), 71042#(<= ULTIMATE.start_main_~i~5 0), 71045#(<= ULTIMATE.start_main_~i~5 3), 71044#(<= ULTIMATE.start_main_~i~5 2), 71047#(<= ULTIMATE.start_main_~i~5 5), 71046#(<= ULTIMATE.start_main_~i~5 4), 71049#(<= ULTIMATE.start_main_~i~5 7), 71048#(<= ULTIMATE.start_main_~i~5 6), 71051#(<= ULTIMATE.start_main_~i~5 9), 71050#(<= ULTIMATE.start_main_~i~5 8), 71053#(<= ULTIMATE.start_main_~i~5 11), 71052#(<= ULTIMATE.start_main_~i~5 10), 71055#(<= ULTIMATE.start_main_~i~5 13), 71054#(<= ULTIMATE.start_main_~i~5 12), 71057#(<= ULTIMATE.start_main_~i~5 15), 71056#(<= ULTIMATE.start_main_~i~5 14), 71059#(<= ULTIMATE.start_main_~i~5 17), 71058#(<= ULTIMATE.start_main_~i~5 16), 71061#(<= ULTIMATE.start_main_~i~5 19), 71060#(<= ULTIMATE.start_main_~i~5 18), 71063#(<= ULTIMATE.start_main_~i~5 21), 71062#(<= ULTIMATE.start_main_~i~5 20), 71065#(<= ULTIMATE.start_main_~i~5 23), 71064#(<= ULTIMATE.start_main_~i~5 22), 71067#(<= ULTIMATE.start_main_~i~5 25), 71066#(<= ULTIMATE.start_main_~i~5 24), 71069#(<= ULTIMATE.start_main_~i~5 27), 71068#(<= ULTIMATE.start_main_~i~5 26), 71071#(<= ULTIMATE.start_main_~i~5 29), 71070#(<= ULTIMATE.start_main_~i~5 28), 71073#(<= ULTIMATE.start_main_~i~5 31), 71072#(<= ULTIMATE.start_main_~i~5 30), 71075#(<= ULTIMATE.start_main_~i~5 33), 71074#(<= ULTIMATE.start_main_~i~5 32), 71077#(<= ULTIMATE.start_main_~i~5 35), 71076#(<= ULTIMATE.start_main_~i~5 34), 71079#(<= ULTIMATE.start_main_~i~5 37), 71078#(<= ULTIMATE.start_main_~i~5 36), 71081#(<= ULTIMATE.start_main_~i~5 39), 71080#(<= ULTIMATE.start_main_~i~5 38), 71083#(<= ULTIMATE.start_main_~i~5 41), 71082#(<= ULTIMATE.start_main_~i~5 40), 71085#(<= ULTIMATE.start_main_~i~5 43), 71084#(<= ULTIMATE.start_main_~i~5 42), 71087#(<= ULTIMATE.start_main_~i~5 45), 71086#(<= ULTIMATE.start_main_~i~5 44), 71089#(<= ULTIMATE.start_main_~i~5 47), 71088#(<= ULTIMATE.start_main_~i~5 46), 71091#(<= ULTIMATE.start_main_~i~5 49), 71090#(<= ULTIMATE.start_main_~i~5 48), 71093#(<= ULTIMATE.start_main_~i~5 51), 71092#(<= ULTIMATE.start_main_~i~5 50), 71095#(<= ULTIMATE.start_main_~i~5 53), 71094#(<= ULTIMATE.start_main_~i~5 52), 71097#(<= ULTIMATE.start_main_~i~5 55), 71096#(<= ULTIMATE.start_main_~i~5 54), 71099#(<= ULTIMATE.start_main_~i~5 57), 71098#(<= ULTIMATE.start_main_~i~5 56), 71101#(<= ULTIMATE.start_main_~i~5 59), 71100#(<= ULTIMATE.start_main_~i~5 58), 71103#(<= ULTIMATE.start_main_~i~5 61), 71102#(<= ULTIMATE.start_main_~i~5 60), 71105#(<= ULTIMATE.start_main_~i~5 63), 71104#(<= ULTIMATE.start_main_~i~5 62), 71107#(<= ULTIMATE.start_main_~i~5 65), 71106#(<= ULTIMATE.start_main_~i~5 64), 71109#(<= ULTIMATE.start_main_~i~5 67), 71108#(<= ULTIMATE.start_main_~i~5 66), 71111#(<= ULTIMATE.start_main_~i~5 69), 71110#(<= ULTIMATE.start_main_~i~5 68), 71113#(<= ULTIMATE.start_main_~i~5 71), 71112#(<= ULTIMATE.start_main_~i~5 70), 71115#(<= ULTIMATE.start_main_~i~5 73), 71114#(<= ULTIMATE.start_main_~i~5 72), 71117#(<= ULTIMATE.start_main_~i~5 75), 71116#(<= ULTIMATE.start_main_~i~5 74), 71119#(<= ULTIMATE.start_main_~i~5 77), 71118#(<= ULTIMATE.start_main_~i~5 76), 71121#(<= ULTIMATE.start_main_~i~5 79), 71120#(<= ULTIMATE.start_main_~i~5 78), 71123#(<= ULTIMATE.start_main_~i~5 81), 71122#(<= ULTIMATE.start_main_~i~5 80), 71125#(<= ULTIMATE.start_main_~i~5 83), 71124#(<= ULTIMATE.start_main_~i~5 82), 71127#(<= ULTIMATE.start_main_~i~5 85), 71126#(<= ULTIMATE.start_main_~i~5 84), 71129#(<= ULTIMATE.start_main_~i~5 87), 71128#(<= ULTIMATE.start_main_~i~5 86), 71131#(<= ULTIMATE.start_main_~i~5 89), 71130#(<= ULTIMATE.start_main_~i~5 88), 71133#(<= ULTIMATE.start_main_~i~5 91), 71132#(<= ULTIMATE.start_main_~i~5 90), 71135#(<= ULTIMATE.start_main_~i~5 93), 71134#(<= ULTIMATE.start_main_~i~5 92), 71137#(<= ULTIMATE.start_main_~i~5 95), 71136#(<= ULTIMATE.start_main_~i~5 94), 71139#(<= ULTIMATE.start_main_~i~5 97), 71138#(<= ULTIMATE.start_main_~i~5 96), 71141#(<= ULTIMATE.start_main_~i~5 99), 71140#(<= ULTIMATE.start_main_~i~5 98), 71143#(<= ULTIMATE.start_main_~i~5 101), 71142#(<= ULTIMATE.start_main_~i~5 100), 71145#(<= ULTIMATE.start_main_~i~5 103), 71144#(<= ULTIMATE.start_main_~i~5 102), 71147#(<= ULTIMATE.start_main_~i~5 105), 71146#(<= ULTIMATE.start_main_~i~5 104), 71149#(<= ULTIMATE.start_main_~i~5 107), 71148#(<= ULTIMATE.start_main_~i~5 106), 71151#(<= ULTIMATE.start_main_~i~5 109), 71150#(<= ULTIMATE.start_main_~i~5 108), 71153#(<= ULTIMATE.start_main_~i~5 111), 71152#(<= ULTIMATE.start_main_~i~5 110), 71155#(<= ULTIMATE.start_main_~i~5 113), 71154#(<= ULTIMATE.start_main_~i~5 112), 71157#(<= ULTIMATE.start_main_~i~5 115), 71156#(<= ULTIMATE.start_main_~i~5 114), 71159#(<= ULTIMATE.start_main_~i~5 117), 71158#(<= ULTIMATE.start_main_~i~5 116), 71161#(<= ULTIMATE.start_main_~i~5 119), 71160#(<= ULTIMATE.start_main_~i~5 118), 71163#(<= ULTIMATE.start_main_~i~5 121), 71162#(<= ULTIMATE.start_main_~i~5 120)] [2018-07-23 13:41:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,057 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:41:38,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:41:38,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:41:38,058 INFO L87 Difference]: Start difference. First operand 249 states and 250 transitions. Second operand 124 states. [2018-07-23 13:41:38,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:38,413 INFO L93 Difference]: Finished difference Result 255 states and 257 transitions. [2018-07-23 13:41:38,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:41:38,413 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 248 [2018-07-23 13:41:38,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:38,414 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:41:38,414 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:41:38,415 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 13:41:38,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:41:38,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:41:38,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:41:38,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 252 transitions. [2018-07-23 13:41:38,419 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 252 transitions. Word has length 248 [2018-07-23 13:41:38,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:38,419 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 252 transitions. [2018-07-23 13:41:38,419 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:41:38,419 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 252 transitions. [2018-07-23 13:41:38,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:41:38,421 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:38,421 INFO L357 BasicCegarLoop]: trace histogram [123, 122, 1, 1, 1, 1, 1] [2018-07-23 13:41:38,421 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:38,421 INFO L82 PathProgramCache]: Analyzing trace with hash -945352749, now seen corresponding path program 122 times [2018-07-23 13:41:38,421 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:39,067 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,067 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:39,067 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:41:39,067 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:39,068 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 13:41:39,068 INFO L185 omatonBuilderFactory]: Interpolants [72193#(<= ULTIMATE.start_main_~i~5 15), 72192#(<= ULTIMATE.start_main_~i~5 14), 72195#(<= ULTIMATE.start_main_~i~5 17), 72194#(<= ULTIMATE.start_main_~i~5 16), 72197#(<= ULTIMATE.start_main_~i~5 19), 72196#(<= ULTIMATE.start_main_~i~5 18), 72199#(<= ULTIMATE.start_main_~i~5 21), 72198#(<= ULTIMATE.start_main_~i~5 20), 72201#(<= ULTIMATE.start_main_~i~5 23), 72200#(<= ULTIMATE.start_main_~i~5 22), 72203#(<= ULTIMATE.start_main_~i~5 25), 72202#(<= ULTIMATE.start_main_~i~5 24), 72205#(<= ULTIMATE.start_main_~i~5 27), 72204#(<= ULTIMATE.start_main_~i~5 26), 72207#(<= ULTIMATE.start_main_~i~5 29), 72206#(<= ULTIMATE.start_main_~i~5 28), 72209#(<= ULTIMATE.start_main_~i~5 31), 72208#(<= ULTIMATE.start_main_~i~5 30), 72211#(<= ULTIMATE.start_main_~i~5 33), 72210#(<= ULTIMATE.start_main_~i~5 32), 72213#(<= ULTIMATE.start_main_~i~5 35), 72212#(<= ULTIMATE.start_main_~i~5 34), 72215#(<= ULTIMATE.start_main_~i~5 37), 72214#(<= ULTIMATE.start_main_~i~5 36), 72217#(<= ULTIMATE.start_main_~i~5 39), 72216#(<= ULTIMATE.start_main_~i~5 38), 72219#(<= ULTIMATE.start_main_~i~5 41), 72218#(<= ULTIMATE.start_main_~i~5 40), 72221#(<= ULTIMATE.start_main_~i~5 43), 72220#(<= ULTIMATE.start_main_~i~5 42), 72223#(<= ULTIMATE.start_main_~i~5 45), 72222#(<= ULTIMATE.start_main_~i~5 44), 72225#(<= ULTIMATE.start_main_~i~5 47), 72224#(<= ULTIMATE.start_main_~i~5 46), 72227#(<= ULTIMATE.start_main_~i~5 49), 72226#(<= ULTIMATE.start_main_~i~5 48), 72229#(<= ULTIMATE.start_main_~i~5 51), 72228#(<= ULTIMATE.start_main_~i~5 50), 72231#(<= ULTIMATE.start_main_~i~5 53), 72230#(<= ULTIMATE.start_main_~i~5 52), 72233#(<= ULTIMATE.start_main_~i~5 55), 72232#(<= ULTIMATE.start_main_~i~5 54), 72235#(<= ULTIMATE.start_main_~i~5 57), 72234#(<= ULTIMATE.start_main_~i~5 56), 72237#(<= ULTIMATE.start_main_~i~5 59), 72236#(<= ULTIMATE.start_main_~i~5 58), 72239#(<= ULTIMATE.start_main_~i~5 61), 72238#(<= ULTIMATE.start_main_~i~5 60), 72241#(<= ULTIMATE.start_main_~i~5 63), 72240#(<= ULTIMATE.start_main_~i~5 62), 72243#(<= ULTIMATE.start_main_~i~5 65), 72242#(<= ULTIMATE.start_main_~i~5 64), 72245#(<= ULTIMATE.start_main_~i~5 67), 72244#(<= ULTIMATE.start_main_~i~5 66), 72247#(<= ULTIMATE.start_main_~i~5 69), 72246#(<= ULTIMATE.start_main_~i~5 68), 72249#(<= ULTIMATE.start_main_~i~5 71), 72248#(<= ULTIMATE.start_main_~i~5 70), 72251#(<= ULTIMATE.start_main_~i~5 73), 72250#(<= ULTIMATE.start_main_~i~5 72), 72253#(<= ULTIMATE.start_main_~i~5 75), 72252#(<= ULTIMATE.start_main_~i~5 74), 72255#(<= ULTIMATE.start_main_~i~5 77), 72254#(<= ULTIMATE.start_main_~i~5 76), 72257#(<= ULTIMATE.start_main_~i~5 79), 72256#(<= ULTIMATE.start_main_~i~5 78), 72259#(<= ULTIMATE.start_main_~i~5 81), 72258#(<= ULTIMATE.start_main_~i~5 80), 72261#(<= ULTIMATE.start_main_~i~5 83), 72260#(<= ULTIMATE.start_main_~i~5 82), 72263#(<= ULTIMATE.start_main_~i~5 85), 72262#(<= ULTIMATE.start_main_~i~5 84), 72265#(<= ULTIMATE.start_main_~i~5 87), 72264#(<= ULTIMATE.start_main_~i~5 86), 72267#(<= ULTIMATE.start_main_~i~5 89), 72266#(<= ULTIMATE.start_main_~i~5 88), 72269#(<= ULTIMATE.start_main_~i~5 91), 72268#(<= ULTIMATE.start_main_~i~5 90), 72271#(<= ULTIMATE.start_main_~i~5 93), 72270#(<= ULTIMATE.start_main_~i~5 92), 72273#(<= ULTIMATE.start_main_~i~5 95), 72272#(<= ULTIMATE.start_main_~i~5 94), 72275#(<= ULTIMATE.start_main_~i~5 97), 72274#(<= ULTIMATE.start_main_~i~5 96), 72277#(<= ULTIMATE.start_main_~i~5 99), 72276#(<= ULTIMATE.start_main_~i~5 98), 72279#(<= ULTIMATE.start_main_~i~5 101), 72278#(<= ULTIMATE.start_main_~i~5 100), 72281#(<= ULTIMATE.start_main_~i~5 103), 72280#(<= ULTIMATE.start_main_~i~5 102), 72283#(<= ULTIMATE.start_main_~i~5 105), 72282#(<= ULTIMATE.start_main_~i~5 104), 72285#(<= ULTIMATE.start_main_~i~5 107), 72284#(<= ULTIMATE.start_main_~i~5 106), 72287#(<= ULTIMATE.start_main_~i~5 109), 72286#(<= ULTIMATE.start_main_~i~5 108), 72289#(<= ULTIMATE.start_main_~i~5 111), 72288#(<= ULTIMATE.start_main_~i~5 110), 72291#(<= ULTIMATE.start_main_~i~5 113), 72290#(<= ULTIMATE.start_main_~i~5 112), 72293#(<= ULTIMATE.start_main_~i~5 115), 72292#(<= ULTIMATE.start_main_~i~5 114), 72295#(<= ULTIMATE.start_main_~i~5 117), 72294#(<= ULTIMATE.start_main_~i~5 116), 72297#(<= ULTIMATE.start_main_~i~5 119), 72296#(<= ULTIMATE.start_main_~i~5 118), 72299#(<= ULTIMATE.start_main_~i~5 121), 72298#(<= ULTIMATE.start_main_~i~5 120), 72300#(<= ULTIMATE.start_main_~i~5 122), 72177#false, 72176#true, 72179#(<= ULTIMATE.start_main_~i~5 1), 72178#(<= ULTIMATE.start_main_~i~5 0), 72181#(<= ULTIMATE.start_main_~i~5 3), 72180#(<= ULTIMATE.start_main_~i~5 2), 72183#(<= ULTIMATE.start_main_~i~5 5), 72182#(<= ULTIMATE.start_main_~i~5 4), 72185#(<= ULTIMATE.start_main_~i~5 7), 72184#(<= ULTIMATE.start_main_~i~5 6), 72187#(<= ULTIMATE.start_main_~i~5 9), 72186#(<= ULTIMATE.start_main_~i~5 8), 72189#(<= ULTIMATE.start_main_~i~5 11), 72188#(<= ULTIMATE.start_main_~i~5 10), 72191#(<= ULTIMATE.start_main_~i~5 13), 72190#(<= ULTIMATE.start_main_~i~5 12)] [2018-07-23 13:41:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,069 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:41:39,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:41:39,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:41:39,071 INFO L87 Difference]: Start difference. First operand 251 states and 252 transitions. Second operand 125 states. [2018-07-23 13:41:39,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:39,337 INFO L93 Difference]: Finished difference Result 257 states and 259 transitions. [2018-07-23 13:41:39,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:41:39,337 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 250 [2018-07-23 13:41:39,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:39,338 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:41:39,338 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:41:39,339 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:41:39,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:41:39,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:41:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:41:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 254 transitions. [2018-07-23 13:41:39,342 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 254 transitions. Word has length 250 [2018-07-23 13:41:39,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:39,342 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 254 transitions. [2018-07-23 13:41:39,342 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:41:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 254 transitions. [2018-07-23 13:41:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:41:39,343 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:39,343 INFO L357 BasicCegarLoop]: trace histogram [124, 123, 1, 1, 1, 1, 1] [2018-07-23 13:41:39,343 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:39,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1965516751, now seen corresponding path program 123 times [2018-07-23 13:41:39,344 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:39,900 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,900 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:39,900 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:41:39,900 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:39,901 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 13:41:39,901 INFO L185 omatonBuilderFactory]: Interpolants [73321#true, 73323#(<= ULTIMATE.start_main_~i~5 0), 73322#false, 73325#(<= ULTIMATE.start_main_~i~5 2), 73324#(<= ULTIMATE.start_main_~i~5 1), 73327#(<= ULTIMATE.start_main_~i~5 4), 73326#(<= ULTIMATE.start_main_~i~5 3), 73329#(<= ULTIMATE.start_main_~i~5 6), 73328#(<= ULTIMATE.start_main_~i~5 5), 73331#(<= ULTIMATE.start_main_~i~5 8), 73330#(<= ULTIMATE.start_main_~i~5 7), 73333#(<= ULTIMATE.start_main_~i~5 10), 73332#(<= ULTIMATE.start_main_~i~5 9), 73335#(<= ULTIMATE.start_main_~i~5 12), 73334#(<= ULTIMATE.start_main_~i~5 11), 73337#(<= ULTIMATE.start_main_~i~5 14), 73336#(<= ULTIMATE.start_main_~i~5 13), 73339#(<= ULTIMATE.start_main_~i~5 16), 73338#(<= ULTIMATE.start_main_~i~5 15), 73341#(<= ULTIMATE.start_main_~i~5 18), 73340#(<= ULTIMATE.start_main_~i~5 17), 73343#(<= ULTIMATE.start_main_~i~5 20), 73342#(<= ULTIMATE.start_main_~i~5 19), 73345#(<= ULTIMATE.start_main_~i~5 22), 73344#(<= ULTIMATE.start_main_~i~5 21), 73347#(<= ULTIMATE.start_main_~i~5 24), 73346#(<= ULTIMATE.start_main_~i~5 23), 73349#(<= ULTIMATE.start_main_~i~5 26), 73348#(<= ULTIMATE.start_main_~i~5 25), 73351#(<= ULTIMATE.start_main_~i~5 28), 73350#(<= ULTIMATE.start_main_~i~5 27), 73353#(<= ULTIMATE.start_main_~i~5 30), 73352#(<= ULTIMATE.start_main_~i~5 29), 73355#(<= ULTIMATE.start_main_~i~5 32), 73354#(<= ULTIMATE.start_main_~i~5 31), 73357#(<= ULTIMATE.start_main_~i~5 34), 73356#(<= ULTIMATE.start_main_~i~5 33), 73359#(<= ULTIMATE.start_main_~i~5 36), 73358#(<= ULTIMATE.start_main_~i~5 35), 73361#(<= ULTIMATE.start_main_~i~5 38), 73360#(<= ULTIMATE.start_main_~i~5 37), 73363#(<= ULTIMATE.start_main_~i~5 40), 73362#(<= ULTIMATE.start_main_~i~5 39), 73365#(<= ULTIMATE.start_main_~i~5 42), 73364#(<= ULTIMATE.start_main_~i~5 41), 73367#(<= ULTIMATE.start_main_~i~5 44), 73366#(<= ULTIMATE.start_main_~i~5 43), 73369#(<= ULTIMATE.start_main_~i~5 46), 73368#(<= ULTIMATE.start_main_~i~5 45), 73371#(<= ULTIMATE.start_main_~i~5 48), 73370#(<= ULTIMATE.start_main_~i~5 47), 73373#(<= ULTIMATE.start_main_~i~5 50), 73372#(<= ULTIMATE.start_main_~i~5 49), 73375#(<= ULTIMATE.start_main_~i~5 52), 73374#(<= ULTIMATE.start_main_~i~5 51), 73377#(<= ULTIMATE.start_main_~i~5 54), 73376#(<= ULTIMATE.start_main_~i~5 53), 73379#(<= ULTIMATE.start_main_~i~5 56), 73378#(<= ULTIMATE.start_main_~i~5 55), 73381#(<= ULTIMATE.start_main_~i~5 58), 73380#(<= ULTIMATE.start_main_~i~5 57), 73383#(<= ULTIMATE.start_main_~i~5 60), 73382#(<= ULTIMATE.start_main_~i~5 59), 73385#(<= ULTIMATE.start_main_~i~5 62), 73384#(<= ULTIMATE.start_main_~i~5 61), 73387#(<= ULTIMATE.start_main_~i~5 64), 73386#(<= ULTIMATE.start_main_~i~5 63), 73389#(<= ULTIMATE.start_main_~i~5 66), 73388#(<= ULTIMATE.start_main_~i~5 65), 73391#(<= ULTIMATE.start_main_~i~5 68), 73390#(<= ULTIMATE.start_main_~i~5 67), 73393#(<= ULTIMATE.start_main_~i~5 70), 73392#(<= ULTIMATE.start_main_~i~5 69), 73395#(<= ULTIMATE.start_main_~i~5 72), 73394#(<= ULTIMATE.start_main_~i~5 71), 73397#(<= ULTIMATE.start_main_~i~5 74), 73396#(<= ULTIMATE.start_main_~i~5 73), 73399#(<= ULTIMATE.start_main_~i~5 76), 73398#(<= ULTIMATE.start_main_~i~5 75), 73401#(<= ULTIMATE.start_main_~i~5 78), 73400#(<= ULTIMATE.start_main_~i~5 77), 73403#(<= ULTIMATE.start_main_~i~5 80), 73402#(<= ULTIMATE.start_main_~i~5 79), 73405#(<= ULTIMATE.start_main_~i~5 82), 73404#(<= ULTIMATE.start_main_~i~5 81), 73407#(<= ULTIMATE.start_main_~i~5 84), 73406#(<= ULTIMATE.start_main_~i~5 83), 73409#(<= ULTIMATE.start_main_~i~5 86), 73408#(<= ULTIMATE.start_main_~i~5 85), 73411#(<= ULTIMATE.start_main_~i~5 88), 73410#(<= ULTIMATE.start_main_~i~5 87), 73413#(<= ULTIMATE.start_main_~i~5 90), 73412#(<= ULTIMATE.start_main_~i~5 89), 73415#(<= ULTIMATE.start_main_~i~5 92), 73414#(<= ULTIMATE.start_main_~i~5 91), 73417#(<= ULTIMATE.start_main_~i~5 94), 73416#(<= ULTIMATE.start_main_~i~5 93), 73419#(<= ULTIMATE.start_main_~i~5 96), 73418#(<= ULTIMATE.start_main_~i~5 95), 73421#(<= ULTIMATE.start_main_~i~5 98), 73420#(<= ULTIMATE.start_main_~i~5 97), 73423#(<= ULTIMATE.start_main_~i~5 100), 73422#(<= ULTIMATE.start_main_~i~5 99), 73425#(<= ULTIMATE.start_main_~i~5 102), 73424#(<= ULTIMATE.start_main_~i~5 101), 73427#(<= ULTIMATE.start_main_~i~5 104), 73426#(<= ULTIMATE.start_main_~i~5 103), 73429#(<= ULTIMATE.start_main_~i~5 106), 73428#(<= ULTIMATE.start_main_~i~5 105), 73431#(<= ULTIMATE.start_main_~i~5 108), 73430#(<= ULTIMATE.start_main_~i~5 107), 73433#(<= ULTIMATE.start_main_~i~5 110), 73432#(<= ULTIMATE.start_main_~i~5 109), 73435#(<= ULTIMATE.start_main_~i~5 112), 73434#(<= ULTIMATE.start_main_~i~5 111), 73437#(<= ULTIMATE.start_main_~i~5 114), 73436#(<= ULTIMATE.start_main_~i~5 113), 73439#(<= ULTIMATE.start_main_~i~5 116), 73438#(<= ULTIMATE.start_main_~i~5 115), 73441#(<= ULTIMATE.start_main_~i~5 118), 73440#(<= ULTIMATE.start_main_~i~5 117), 73443#(<= ULTIMATE.start_main_~i~5 120), 73442#(<= ULTIMATE.start_main_~i~5 119), 73445#(<= ULTIMATE.start_main_~i~5 122), 73444#(<= ULTIMATE.start_main_~i~5 121), 73446#(<= ULTIMATE.start_main_~i~5 123)] [2018-07-23 13:41:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,902 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:41:39,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:41:39,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:41:39,904 INFO L87 Difference]: Start difference. First operand 253 states and 254 transitions. Second operand 126 states. [2018-07-23 13:41:40,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:40,240 INFO L93 Difference]: Finished difference Result 259 states and 261 transitions. [2018-07-23 13:41:40,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:41:40,241 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 252 [2018-07-23 13:41:40,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:40,241 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:41:40,241 INFO L226 Difference]: Without dead ends: 255 [2018-07-23 13:41:40,243 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 13:41:40,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-07-23 13:41:40,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-07-23 13:41:40,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:41:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 256 transitions. [2018-07-23 13:41:40,247 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 256 transitions. Word has length 252 [2018-07-23 13:41:40,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:40,248 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 256 transitions. [2018-07-23 13:41:40,248 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:41:40,248 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 256 transitions. [2018-07-23 13:41:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:41:40,249 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:40,249 INFO L357 BasicCegarLoop]: trace histogram [125, 124, 1, 1, 1, 1, 1] [2018-07-23 13:41:40,249 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:40,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1007570741, now seen corresponding path program 124 times [2018-07-23 13:41:40,249 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,054 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:41,054 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:41:41,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:41,054 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 13:41:41,055 INFO L185 omatonBuilderFactory]: Interpolants [74497#(<= ULTIMATE.start_main_~i~5 20), 74496#(<= ULTIMATE.start_main_~i~5 19), 74499#(<= ULTIMATE.start_main_~i~5 22), 74498#(<= ULTIMATE.start_main_~i~5 21), 74501#(<= ULTIMATE.start_main_~i~5 24), 74500#(<= ULTIMATE.start_main_~i~5 23), 74503#(<= ULTIMATE.start_main_~i~5 26), 74502#(<= ULTIMATE.start_main_~i~5 25), 74505#(<= ULTIMATE.start_main_~i~5 28), 74504#(<= ULTIMATE.start_main_~i~5 27), 74507#(<= ULTIMATE.start_main_~i~5 30), 74506#(<= ULTIMATE.start_main_~i~5 29), 74509#(<= ULTIMATE.start_main_~i~5 32), 74508#(<= ULTIMATE.start_main_~i~5 31), 74511#(<= ULTIMATE.start_main_~i~5 34), 74510#(<= ULTIMATE.start_main_~i~5 33), 74513#(<= ULTIMATE.start_main_~i~5 36), 74512#(<= ULTIMATE.start_main_~i~5 35), 74515#(<= ULTIMATE.start_main_~i~5 38), 74514#(<= ULTIMATE.start_main_~i~5 37), 74517#(<= ULTIMATE.start_main_~i~5 40), 74516#(<= ULTIMATE.start_main_~i~5 39), 74519#(<= ULTIMATE.start_main_~i~5 42), 74518#(<= ULTIMATE.start_main_~i~5 41), 74521#(<= ULTIMATE.start_main_~i~5 44), 74520#(<= ULTIMATE.start_main_~i~5 43), 74523#(<= ULTIMATE.start_main_~i~5 46), 74522#(<= ULTIMATE.start_main_~i~5 45), 74525#(<= ULTIMATE.start_main_~i~5 48), 74524#(<= ULTIMATE.start_main_~i~5 47), 74527#(<= ULTIMATE.start_main_~i~5 50), 74526#(<= ULTIMATE.start_main_~i~5 49), 74529#(<= ULTIMATE.start_main_~i~5 52), 74528#(<= ULTIMATE.start_main_~i~5 51), 74531#(<= ULTIMATE.start_main_~i~5 54), 74530#(<= ULTIMATE.start_main_~i~5 53), 74533#(<= ULTIMATE.start_main_~i~5 56), 74532#(<= ULTIMATE.start_main_~i~5 55), 74535#(<= ULTIMATE.start_main_~i~5 58), 74534#(<= ULTIMATE.start_main_~i~5 57), 74537#(<= ULTIMATE.start_main_~i~5 60), 74536#(<= ULTIMATE.start_main_~i~5 59), 74539#(<= ULTIMATE.start_main_~i~5 62), 74538#(<= ULTIMATE.start_main_~i~5 61), 74541#(<= ULTIMATE.start_main_~i~5 64), 74540#(<= ULTIMATE.start_main_~i~5 63), 74543#(<= ULTIMATE.start_main_~i~5 66), 74542#(<= ULTIMATE.start_main_~i~5 65), 74545#(<= ULTIMATE.start_main_~i~5 68), 74544#(<= ULTIMATE.start_main_~i~5 67), 74547#(<= ULTIMATE.start_main_~i~5 70), 74546#(<= ULTIMATE.start_main_~i~5 69), 74549#(<= ULTIMATE.start_main_~i~5 72), 74548#(<= ULTIMATE.start_main_~i~5 71), 74551#(<= ULTIMATE.start_main_~i~5 74), 74550#(<= ULTIMATE.start_main_~i~5 73), 74553#(<= ULTIMATE.start_main_~i~5 76), 74552#(<= ULTIMATE.start_main_~i~5 75), 74555#(<= ULTIMATE.start_main_~i~5 78), 74554#(<= ULTIMATE.start_main_~i~5 77), 74557#(<= ULTIMATE.start_main_~i~5 80), 74556#(<= ULTIMATE.start_main_~i~5 79), 74559#(<= ULTIMATE.start_main_~i~5 82), 74558#(<= ULTIMATE.start_main_~i~5 81), 74561#(<= ULTIMATE.start_main_~i~5 84), 74560#(<= ULTIMATE.start_main_~i~5 83), 74563#(<= ULTIMATE.start_main_~i~5 86), 74562#(<= ULTIMATE.start_main_~i~5 85), 74565#(<= ULTIMATE.start_main_~i~5 88), 74564#(<= ULTIMATE.start_main_~i~5 87), 74567#(<= ULTIMATE.start_main_~i~5 90), 74566#(<= ULTIMATE.start_main_~i~5 89), 74569#(<= ULTIMATE.start_main_~i~5 92), 74568#(<= ULTIMATE.start_main_~i~5 91), 74571#(<= ULTIMATE.start_main_~i~5 94), 74570#(<= ULTIMATE.start_main_~i~5 93), 74573#(<= ULTIMATE.start_main_~i~5 96), 74572#(<= ULTIMATE.start_main_~i~5 95), 74575#(<= ULTIMATE.start_main_~i~5 98), 74574#(<= ULTIMATE.start_main_~i~5 97), 74577#(<= ULTIMATE.start_main_~i~5 100), 74576#(<= ULTIMATE.start_main_~i~5 99), 74579#(<= ULTIMATE.start_main_~i~5 102), 74578#(<= ULTIMATE.start_main_~i~5 101), 74581#(<= ULTIMATE.start_main_~i~5 104), 74580#(<= ULTIMATE.start_main_~i~5 103), 74583#(<= ULTIMATE.start_main_~i~5 106), 74582#(<= ULTIMATE.start_main_~i~5 105), 74585#(<= ULTIMATE.start_main_~i~5 108), 74584#(<= ULTIMATE.start_main_~i~5 107), 74587#(<= ULTIMATE.start_main_~i~5 110), 74586#(<= ULTIMATE.start_main_~i~5 109), 74589#(<= ULTIMATE.start_main_~i~5 112), 74588#(<= ULTIMATE.start_main_~i~5 111), 74591#(<= ULTIMATE.start_main_~i~5 114), 74590#(<= ULTIMATE.start_main_~i~5 113), 74593#(<= ULTIMATE.start_main_~i~5 116), 74592#(<= ULTIMATE.start_main_~i~5 115), 74595#(<= ULTIMATE.start_main_~i~5 118), 74594#(<= ULTIMATE.start_main_~i~5 117), 74597#(<= ULTIMATE.start_main_~i~5 120), 74596#(<= ULTIMATE.start_main_~i~5 119), 74599#(<= ULTIMATE.start_main_~i~5 122), 74598#(<= ULTIMATE.start_main_~i~5 121), 74601#(<= ULTIMATE.start_main_~i~5 124), 74600#(<= ULTIMATE.start_main_~i~5 123), 74475#true, 74477#(<= ULTIMATE.start_main_~i~5 0), 74476#false, 74479#(<= ULTIMATE.start_main_~i~5 2), 74478#(<= ULTIMATE.start_main_~i~5 1), 74481#(<= ULTIMATE.start_main_~i~5 4), 74480#(<= ULTIMATE.start_main_~i~5 3), 74483#(<= ULTIMATE.start_main_~i~5 6), 74482#(<= ULTIMATE.start_main_~i~5 5), 74485#(<= ULTIMATE.start_main_~i~5 8), 74484#(<= ULTIMATE.start_main_~i~5 7), 74487#(<= ULTIMATE.start_main_~i~5 10), 74486#(<= ULTIMATE.start_main_~i~5 9), 74489#(<= ULTIMATE.start_main_~i~5 12), 74488#(<= ULTIMATE.start_main_~i~5 11), 74491#(<= ULTIMATE.start_main_~i~5 14), 74490#(<= ULTIMATE.start_main_~i~5 13), 74493#(<= ULTIMATE.start_main_~i~5 16), 74492#(<= ULTIMATE.start_main_~i~5 15), 74495#(<= ULTIMATE.start_main_~i~5 18), 74494#(<= ULTIMATE.start_main_~i~5 17)] [2018-07-23 13:41:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,056 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:41:41,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:41:41,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:41:41,057 INFO L87 Difference]: Start difference. First operand 255 states and 256 transitions. Second operand 127 states. [2018-07-23 13:41:41,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:41,358 INFO L93 Difference]: Finished difference Result 261 states and 263 transitions. [2018-07-23 13:41:41,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:41:41,358 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 254 [2018-07-23 13:41:41,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:41,359 INFO L225 Difference]: With dead ends: 261 [2018-07-23 13:41:41,359 INFO L226 Difference]: Without dead ends: 257 [2018-07-23 13:41:41,359 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:41:41,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-07-23 13:41:41,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-07-23 13:41:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:41:41,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 258 transitions. [2018-07-23 13:41:41,364 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 258 transitions. Word has length 254 [2018-07-23 13:41:41,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:41,364 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 258 transitions. [2018-07-23 13:41:41,364 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:41:41,365 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 258 transitions. [2018-07-23 13:41:41,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:41:41,366 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:41,366 INFO L357 BasicCegarLoop]: trace histogram [126, 125, 1, 1, 1, 1, 1] [2018-07-23 13:41:41,366 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:41,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1991398713, now seen corresponding path program 125 times [2018-07-23 13:41:41,366 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,934 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:41,934 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:41:41,934 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:41,934 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 13:41:41,935 INFO L185 omatonBuilderFactory]: Interpolants [75639#false, 75638#true, 75641#(<= ULTIMATE.start_main_~i~5 1), 75640#(<= ULTIMATE.start_main_~i~5 0), 75643#(<= ULTIMATE.start_main_~i~5 3), 75642#(<= ULTIMATE.start_main_~i~5 2), 75645#(<= ULTIMATE.start_main_~i~5 5), 75644#(<= ULTIMATE.start_main_~i~5 4), 75647#(<= ULTIMATE.start_main_~i~5 7), 75646#(<= ULTIMATE.start_main_~i~5 6), 75649#(<= ULTIMATE.start_main_~i~5 9), 75648#(<= ULTIMATE.start_main_~i~5 8), 75651#(<= ULTIMATE.start_main_~i~5 11), 75650#(<= ULTIMATE.start_main_~i~5 10), 75653#(<= ULTIMATE.start_main_~i~5 13), 75652#(<= ULTIMATE.start_main_~i~5 12), 75655#(<= ULTIMATE.start_main_~i~5 15), 75654#(<= ULTIMATE.start_main_~i~5 14), 75657#(<= ULTIMATE.start_main_~i~5 17), 75656#(<= ULTIMATE.start_main_~i~5 16), 75659#(<= ULTIMATE.start_main_~i~5 19), 75658#(<= ULTIMATE.start_main_~i~5 18), 75661#(<= ULTIMATE.start_main_~i~5 21), 75660#(<= ULTIMATE.start_main_~i~5 20), 75663#(<= ULTIMATE.start_main_~i~5 23), 75662#(<= ULTIMATE.start_main_~i~5 22), 75665#(<= ULTIMATE.start_main_~i~5 25), 75664#(<= ULTIMATE.start_main_~i~5 24), 75667#(<= ULTIMATE.start_main_~i~5 27), 75666#(<= ULTIMATE.start_main_~i~5 26), 75669#(<= ULTIMATE.start_main_~i~5 29), 75668#(<= ULTIMATE.start_main_~i~5 28), 75671#(<= ULTIMATE.start_main_~i~5 31), 75670#(<= ULTIMATE.start_main_~i~5 30), 75673#(<= ULTIMATE.start_main_~i~5 33), 75672#(<= ULTIMATE.start_main_~i~5 32), 75675#(<= ULTIMATE.start_main_~i~5 35), 75674#(<= ULTIMATE.start_main_~i~5 34), 75677#(<= ULTIMATE.start_main_~i~5 37), 75676#(<= ULTIMATE.start_main_~i~5 36), 75679#(<= ULTIMATE.start_main_~i~5 39), 75678#(<= ULTIMATE.start_main_~i~5 38), 75681#(<= ULTIMATE.start_main_~i~5 41), 75680#(<= ULTIMATE.start_main_~i~5 40), 75683#(<= ULTIMATE.start_main_~i~5 43), 75682#(<= ULTIMATE.start_main_~i~5 42), 75685#(<= ULTIMATE.start_main_~i~5 45), 75684#(<= ULTIMATE.start_main_~i~5 44), 75687#(<= ULTIMATE.start_main_~i~5 47), 75686#(<= ULTIMATE.start_main_~i~5 46), 75689#(<= ULTIMATE.start_main_~i~5 49), 75688#(<= ULTIMATE.start_main_~i~5 48), 75691#(<= ULTIMATE.start_main_~i~5 51), 75690#(<= ULTIMATE.start_main_~i~5 50), 75693#(<= ULTIMATE.start_main_~i~5 53), 75692#(<= ULTIMATE.start_main_~i~5 52), 75695#(<= ULTIMATE.start_main_~i~5 55), 75694#(<= ULTIMATE.start_main_~i~5 54), 75697#(<= ULTIMATE.start_main_~i~5 57), 75696#(<= ULTIMATE.start_main_~i~5 56), 75699#(<= ULTIMATE.start_main_~i~5 59), 75698#(<= ULTIMATE.start_main_~i~5 58), 75701#(<= ULTIMATE.start_main_~i~5 61), 75700#(<= ULTIMATE.start_main_~i~5 60), 75703#(<= ULTIMATE.start_main_~i~5 63), 75702#(<= ULTIMATE.start_main_~i~5 62), 75705#(<= ULTIMATE.start_main_~i~5 65), 75704#(<= ULTIMATE.start_main_~i~5 64), 75707#(<= ULTIMATE.start_main_~i~5 67), 75706#(<= ULTIMATE.start_main_~i~5 66), 75709#(<= ULTIMATE.start_main_~i~5 69), 75708#(<= ULTIMATE.start_main_~i~5 68), 75711#(<= ULTIMATE.start_main_~i~5 71), 75710#(<= ULTIMATE.start_main_~i~5 70), 75713#(<= ULTIMATE.start_main_~i~5 73), 75712#(<= ULTIMATE.start_main_~i~5 72), 75715#(<= ULTIMATE.start_main_~i~5 75), 75714#(<= ULTIMATE.start_main_~i~5 74), 75717#(<= ULTIMATE.start_main_~i~5 77), 75716#(<= ULTIMATE.start_main_~i~5 76), 75719#(<= ULTIMATE.start_main_~i~5 79), 75718#(<= ULTIMATE.start_main_~i~5 78), 75721#(<= ULTIMATE.start_main_~i~5 81), 75720#(<= ULTIMATE.start_main_~i~5 80), 75723#(<= ULTIMATE.start_main_~i~5 83), 75722#(<= ULTIMATE.start_main_~i~5 82), 75725#(<= ULTIMATE.start_main_~i~5 85), 75724#(<= ULTIMATE.start_main_~i~5 84), 75727#(<= ULTIMATE.start_main_~i~5 87), 75726#(<= ULTIMATE.start_main_~i~5 86), 75729#(<= ULTIMATE.start_main_~i~5 89), 75728#(<= ULTIMATE.start_main_~i~5 88), 75731#(<= ULTIMATE.start_main_~i~5 91), 75730#(<= ULTIMATE.start_main_~i~5 90), 75733#(<= ULTIMATE.start_main_~i~5 93), 75732#(<= ULTIMATE.start_main_~i~5 92), 75735#(<= ULTIMATE.start_main_~i~5 95), 75734#(<= ULTIMATE.start_main_~i~5 94), 75737#(<= ULTIMATE.start_main_~i~5 97), 75736#(<= ULTIMATE.start_main_~i~5 96), 75739#(<= ULTIMATE.start_main_~i~5 99), 75738#(<= ULTIMATE.start_main_~i~5 98), 75741#(<= ULTIMATE.start_main_~i~5 101), 75740#(<= ULTIMATE.start_main_~i~5 100), 75743#(<= ULTIMATE.start_main_~i~5 103), 75742#(<= ULTIMATE.start_main_~i~5 102), 75745#(<= ULTIMATE.start_main_~i~5 105), 75744#(<= ULTIMATE.start_main_~i~5 104), 75747#(<= ULTIMATE.start_main_~i~5 107), 75746#(<= ULTIMATE.start_main_~i~5 106), 75749#(<= ULTIMATE.start_main_~i~5 109), 75748#(<= ULTIMATE.start_main_~i~5 108), 75751#(<= ULTIMATE.start_main_~i~5 111), 75750#(<= ULTIMATE.start_main_~i~5 110), 75753#(<= ULTIMATE.start_main_~i~5 113), 75752#(<= ULTIMATE.start_main_~i~5 112), 75755#(<= ULTIMATE.start_main_~i~5 115), 75754#(<= ULTIMATE.start_main_~i~5 114), 75757#(<= ULTIMATE.start_main_~i~5 117), 75756#(<= ULTIMATE.start_main_~i~5 116), 75759#(<= ULTIMATE.start_main_~i~5 119), 75758#(<= ULTIMATE.start_main_~i~5 118), 75761#(<= ULTIMATE.start_main_~i~5 121), 75760#(<= ULTIMATE.start_main_~i~5 120), 75763#(<= ULTIMATE.start_main_~i~5 123), 75762#(<= ULTIMATE.start_main_~i~5 122), 75765#(<= ULTIMATE.start_main_~i~5 125), 75764#(<= ULTIMATE.start_main_~i~5 124)] [2018-07-23 13:41:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,936 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:41:41,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:41:41,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:41:41,938 INFO L87 Difference]: Start difference. First operand 257 states and 258 transitions. Second operand 128 states. [2018-07-23 13:41:42,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:42,331 INFO L93 Difference]: Finished difference Result 263 states and 265 transitions. [2018-07-23 13:41:42,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:41:42,332 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 256 [2018-07-23 13:41:42,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:42,332 INFO L225 Difference]: With dead ends: 263 [2018-07-23 13:41:42,332 INFO L226 Difference]: Without dead ends: 259 [2018-07-23 13:41:42,334 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:41:42,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-07-23 13:41:42,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-07-23 13:41:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-07-23 13:41:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 260 transitions. [2018-07-23 13:41:42,338 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 260 transitions. Word has length 256 [2018-07-23 13:41:42,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:42,339 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 260 transitions. [2018-07-23 13:41:42,339 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:41:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 260 transitions. [2018-07-23 13:41:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-07-23 13:41:42,340 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:42,340 INFO L357 BasicCegarLoop]: trace histogram [127, 126, 1, 1, 1, 1, 1] [2018-07-23 13:41:42,340 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:42,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1737692611, now seen corresponding path program 126 times [2018-07-23 13:41:42,340 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,903 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:42,903 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:41:42,903 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:42,903 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 13:41:42,904 INFO L185 omatonBuilderFactory]: Interpolants [76811#false, 76810#true, 76813#(<= ULTIMATE.start_main_~i~5 1), 76812#(<= ULTIMATE.start_main_~i~5 0), 76815#(<= ULTIMATE.start_main_~i~5 3), 76814#(<= ULTIMATE.start_main_~i~5 2), 76817#(<= ULTIMATE.start_main_~i~5 5), 76816#(<= ULTIMATE.start_main_~i~5 4), 76819#(<= ULTIMATE.start_main_~i~5 7), 76818#(<= ULTIMATE.start_main_~i~5 6), 76821#(<= ULTIMATE.start_main_~i~5 9), 76820#(<= ULTIMATE.start_main_~i~5 8), 76823#(<= ULTIMATE.start_main_~i~5 11), 76822#(<= ULTIMATE.start_main_~i~5 10), 76825#(<= ULTIMATE.start_main_~i~5 13), 76824#(<= ULTIMATE.start_main_~i~5 12), 76827#(<= ULTIMATE.start_main_~i~5 15), 76826#(<= ULTIMATE.start_main_~i~5 14), 76829#(<= ULTIMATE.start_main_~i~5 17), 76828#(<= ULTIMATE.start_main_~i~5 16), 76831#(<= ULTIMATE.start_main_~i~5 19), 76830#(<= ULTIMATE.start_main_~i~5 18), 76833#(<= ULTIMATE.start_main_~i~5 21), 76832#(<= ULTIMATE.start_main_~i~5 20), 76835#(<= ULTIMATE.start_main_~i~5 23), 76834#(<= ULTIMATE.start_main_~i~5 22), 76837#(<= ULTIMATE.start_main_~i~5 25), 76836#(<= ULTIMATE.start_main_~i~5 24), 76839#(<= ULTIMATE.start_main_~i~5 27), 76838#(<= ULTIMATE.start_main_~i~5 26), 76841#(<= ULTIMATE.start_main_~i~5 29), 76840#(<= ULTIMATE.start_main_~i~5 28), 76843#(<= ULTIMATE.start_main_~i~5 31), 76842#(<= ULTIMATE.start_main_~i~5 30), 76845#(<= ULTIMATE.start_main_~i~5 33), 76844#(<= ULTIMATE.start_main_~i~5 32), 76847#(<= ULTIMATE.start_main_~i~5 35), 76846#(<= ULTIMATE.start_main_~i~5 34), 76849#(<= ULTIMATE.start_main_~i~5 37), 76848#(<= ULTIMATE.start_main_~i~5 36), 76851#(<= ULTIMATE.start_main_~i~5 39), 76850#(<= ULTIMATE.start_main_~i~5 38), 76853#(<= ULTIMATE.start_main_~i~5 41), 76852#(<= ULTIMATE.start_main_~i~5 40), 76855#(<= ULTIMATE.start_main_~i~5 43), 76854#(<= ULTIMATE.start_main_~i~5 42), 76857#(<= ULTIMATE.start_main_~i~5 45), 76856#(<= ULTIMATE.start_main_~i~5 44), 76859#(<= ULTIMATE.start_main_~i~5 47), 76858#(<= ULTIMATE.start_main_~i~5 46), 76861#(<= ULTIMATE.start_main_~i~5 49), 76860#(<= ULTIMATE.start_main_~i~5 48), 76863#(<= ULTIMATE.start_main_~i~5 51), 76862#(<= ULTIMATE.start_main_~i~5 50), 76865#(<= ULTIMATE.start_main_~i~5 53), 76864#(<= ULTIMATE.start_main_~i~5 52), 76867#(<= ULTIMATE.start_main_~i~5 55), 76866#(<= ULTIMATE.start_main_~i~5 54), 76869#(<= ULTIMATE.start_main_~i~5 57), 76868#(<= ULTIMATE.start_main_~i~5 56), 76871#(<= ULTIMATE.start_main_~i~5 59), 76870#(<= ULTIMATE.start_main_~i~5 58), 76873#(<= ULTIMATE.start_main_~i~5 61), 76872#(<= ULTIMATE.start_main_~i~5 60), 76875#(<= ULTIMATE.start_main_~i~5 63), 76874#(<= ULTIMATE.start_main_~i~5 62), 76877#(<= ULTIMATE.start_main_~i~5 65), 76876#(<= ULTIMATE.start_main_~i~5 64), 76879#(<= ULTIMATE.start_main_~i~5 67), 76878#(<= ULTIMATE.start_main_~i~5 66), 76881#(<= ULTIMATE.start_main_~i~5 69), 76880#(<= ULTIMATE.start_main_~i~5 68), 76883#(<= ULTIMATE.start_main_~i~5 71), 76882#(<= ULTIMATE.start_main_~i~5 70), 76885#(<= ULTIMATE.start_main_~i~5 73), 76884#(<= ULTIMATE.start_main_~i~5 72), 76887#(<= ULTIMATE.start_main_~i~5 75), 76886#(<= ULTIMATE.start_main_~i~5 74), 76889#(<= ULTIMATE.start_main_~i~5 77), 76888#(<= ULTIMATE.start_main_~i~5 76), 76891#(<= ULTIMATE.start_main_~i~5 79), 76890#(<= ULTIMATE.start_main_~i~5 78), 76893#(<= ULTIMATE.start_main_~i~5 81), 76892#(<= ULTIMATE.start_main_~i~5 80), 76895#(<= ULTIMATE.start_main_~i~5 83), 76894#(<= ULTIMATE.start_main_~i~5 82), 76897#(<= ULTIMATE.start_main_~i~5 85), 76896#(<= ULTIMATE.start_main_~i~5 84), 76899#(<= ULTIMATE.start_main_~i~5 87), 76898#(<= ULTIMATE.start_main_~i~5 86), 76901#(<= ULTIMATE.start_main_~i~5 89), 76900#(<= ULTIMATE.start_main_~i~5 88), 76903#(<= ULTIMATE.start_main_~i~5 91), 76902#(<= ULTIMATE.start_main_~i~5 90), 76905#(<= ULTIMATE.start_main_~i~5 93), 76904#(<= ULTIMATE.start_main_~i~5 92), 76907#(<= ULTIMATE.start_main_~i~5 95), 76906#(<= ULTIMATE.start_main_~i~5 94), 76909#(<= ULTIMATE.start_main_~i~5 97), 76908#(<= ULTIMATE.start_main_~i~5 96), 76911#(<= ULTIMATE.start_main_~i~5 99), 76910#(<= ULTIMATE.start_main_~i~5 98), 76913#(<= ULTIMATE.start_main_~i~5 101), 76912#(<= ULTIMATE.start_main_~i~5 100), 76915#(<= ULTIMATE.start_main_~i~5 103), 76914#(<= ULTIMATE.start_main_~i~5 102), 76917#(<= ULTIMATE.start_main_~i~5 105), 76916#(<= ULTIMATE.start_main_~i~5 104), 76919#(<= ULTIMATE.start_main_~i~5 107), 76918#(<= ULTIMATE.start_main_~i~5 106), 76921#(<= ULTIMATE.start_main_~i~5 109), 76920#(<= ULTIMATE.start_main_~i~5 108), 76923#(<= ULTIMATE.start_main_~i~5 111), 76922#(<= ULTIMATE.start_main_~i~5 110), 76925#(<= ULTIMATE.start_main_~i~5 113), 76924#(<= ULTIMATE.start_main_~i~5 112), 76927#(<= ULTIMATE.start_main_~i~5 115), 76926#(<= ULTIMATE.start_main_~i~5 114), 76929#(<= ULTIMATE.start_main_~i~5 117), 76928#(<= ULTIMATE.start_main_~i~5 116), 76931#(<= ULTIMATE.start_main_~i~5 119), 76930#(<= ULTIMATE.start_main_~i~5 118), 76933#(<= ULTIMATE.start_main_~i~5 121), 76932#(<= ULTIMATE.start_main_~i~5 120), 76935#(<= ULTIMATE.start_main_~i~5 123), 76934#(<= ULTIMATE.start_main_~i~5 122), 76937#(<= ULTIMATE.start_main_~i~5 125), 76936#(<= ULTIMATE.start_main_~i~5 124), 76938#(<= ULTIMATE.start_main_~i~5 126)] [2018-07-23 13:41:42,905 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,905 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:41:42,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:41:42,908 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:41:42,908 INFO L87 Difference]: Start difference. First operand 259 states and 260 transitions. Second operand 129 states. [2018-07-23 13:41:43,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:43,326 INFO L93 Difference]: Finished difference Result 265 states and 267 transitions. [2018-07-23 13:41:43,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:41:43,326 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 258 [2018-07-23 13:41:43,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:43,327 INFO L225 Difference]: With dead ends: 265 [2018-07-23 13:41:43,327 INFO L226 Difference]: Without dead ends: 261 [2018-07-23 13:41:43,329 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:41:43,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-07-23 13:41:43,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-07-23 13:41:43,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-07-23 13:41:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 262 transitions. [2018-07-23 13:41:43,332 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 262 transitions. Word has length 258 [2018-07-23 13:41:43,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:43,333 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 262 transitions. [2018-07-23 13:41:43,333 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:41:43,333 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 262 transitions. [2018-07-23 13:41:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-23 13:41:43,334 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:43,334 INFO L357 BasicCegarLoop]: trace histogram [128, 127, 1, 1, 1, 1, 1] [2018-07-23 13:41:43,335 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:43,335 INFO L82 PathProgramCache]: Analyzing trace with hash -903237185, now seen corresponding path program 127 times [2018-07-23 13:41:43,335 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,145 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:44,145 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:41:44,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:44,146 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 13:41:44,147 INFO L185 omatonBuilderFactory]: Interpolants [78081#(<= ULTIMATE.start_main_~i~5 88), 78080#(<= ULTIMATE.start_main_~i~5 87), 78083#(<= ULTIMATE.start_main_~i~5 90), 78082#(<= ULTIMATE.start_main_~i~5 89), 78085#(<= ULTIMATE.start_main_~i~5 92), 78084#(<= ULTIMATE.start_main_~i~5 91), 78087#(<= ULTIMATE.start_main_~i~5 94), 78086#(<= ULTIMATE.start_main_~i~5 93), 78089#(<= ULTIMATE.start_main_~i~5 96), 78088#(<= ULTIMATE.start_main_~i~5 95), 78091#(<= ULTIMATE.start_main_~i~5 98), 78090#(<= ULTIMATE.start_main_~i~5 97), 78093#(<= ULTIMATE.start_main_~i~5 100), 78092#(<= ULTIMATE.start_main_~i~5 99), 78095#(<= ULTIMATE.start_main_~i~5 102), 78094#(<= ULTIMATE.start_main_~i~5 101), 78097#(<= ULTIMATE.start_main_~i~5 104), 78096#(<= ULTIMATE.start_main_~i~5 103), 78099#(<= ULTIMATE.start_main_~i~5 106), 78098#(<= ULTIMATE.start_main_~i~5 105), 78101#(<= ULTIMATE.start_main_~i~5 108), 78100#(<= ULTIMATE.start_main_~i~5 107), 78103#(<= ULTIMATE.start_main_~i~5 110), 78102#(<= ULTIMATE.start_main_~i~5 109), 78105#(<= ULTIMATE.start_main_~i~5 112), 78104#(<= ULTIMATE.start_main_~i~5 111), 78107#(<= ULTIMATE.start_main_~i~5 114), 78106#(<= ULTIMATE.start_main_~i~5 113), 78109#(<= ULTIMATE.start_main_~i~5 116), 78108#(<= ULTIMATE.start_main_~i~5 115), 78111#(<= ULTIMATE.start_main_~i~5 118), 78110#(<= ULTIMATE.start_main_~i~5 117), 78113#(<= ULTIMATE.start_main_~i~5 120), 78112#(<= ULTIMATE.start_main_~i~5 119), 78115#(<= ULTIMATE.start_main_~i~5 122), 78114#(<= ULTIMATE.start_main_~i~5 121), 78117#(<= ULTIMATE.start_main_~i~5 124), 78116#(<= ULTIMATE.start_main_~i~5 123), 78119#(<= ULTIMATE.start_main_~i~5 126), 78118#(<= ULTIMATE.start_main_~i~5 125), 78120#(<= ULTIMATE.start_main_~i~5 127), 77991#true, 77993#(<= ULTIMATE.start_main_~i~5 0), 77992#false, 77995#(<= ULTIMATE.start_main_~i~5 2), 77994#(<= ULTIMATE.start_main_~i~5 1), 77997#(<= ULTIMATE.start_main_~i~5 4), 77996#(<= ULTIMATE.start_main_~i~5 3), 77999#(<= ULTIMATE.start_main_~i~5 6), 77998#(<= ULTIMATE.start_main_~i~5 5), 78001#(<= ULTIMATE.start_main_~i~5 8), 78000#(<= ULTIMATE.start_main_~i~5 7), 78003#(<= ULTIMATE.start_main_~i~5 10), 78002#(<= ULTIMATE.start_main_~i~5 9), 78005#(<= ULTIMATE.start_main_~i~5 12), 78004#(<= ULTIMATE.start_main_~i~5 11), 78007#(<= ULTIMATE.start_main_~i~5 14), 78006#(<= ULTIMATE.start_main_~i~5 13), 78009#(<= ULTIMATE.start_main_~i~5 16), 78008#(<= ULTIMATE.start_main_~i~5 15), 78011#(<= ULTIMATE.start_main_~i~5 18), 78010#(<= ULTIMATE.start_main_~i~5 17), 78013#(<= ULTIMATE.start_main_~i~5 20), 78012#(<= ULTIMATE.start_main_~i~5 19), 78015#(<= ULTIMATE.start_main_~i~5 22), 78014#(<= ULTIMATE.start_main_~i~5 21), 78017#(<= ULTIMATE.start_main_~i~5 24), 78016#(<= ULTIMATE.start_main_~i~5 23), 78019#(<= ULTIMATE.start_main_~i~5 26), 78018#(<= ULTIMATE.start_main_~i~5 25), 78021#(<= ULTIMATE.start_main_~i~5 28), 78020#(<= ULTIMATE.start_main_~i~5 27), 78023#(<= ULTIMATE.start_main_~i~5 30), 78022#(<= ULTIMATE.start_main_~i~5 29), 78025#(<= ULTIMATE.start_main_~i~5 32), 78024#(<= ULTIMATE.start_main_~i~5 31), 78027#(<= ULTIMATE.start_main_~i~5 34), 78026#(<= ULTIMATE.start_main_~i~5 33), 78029#(<= ULTIMATE.start_main_~i~5 36), 78028#(<= ULTIMATE.start_main_~i~5 35), 78031#(<= ULTIMATE.start_main_~i~5 38), 78030#(<= ULTIMATE.start_main_~i~5 37), 78033#(<= ULTIMATE.start_main_~i~5 40), 78032#(<= ULTIMATE.start_main_~i~5 39), 78035#(<= ULTIMATE.start_main_~i~5 42), 78034#(<= ULTIMATE.start_main_~i~5 41), 78037#(<= ULTIMATE.start_main_~i~5 44), 78036#(<= ULTIMATE.start_main_~i~5 43), 78039#(<= ULTIMATE.start_main_~i~5 46), 78038#(<= ULTIMATE.start_main_~i~5 45), 78041#(<= ULTIMATE.start_main_~i~5 48), 78040#(<= ULTIMATE.start_main_~i~5 47), 78043#(<= ULTIMATE.start_main_~i~5 50), 78042#(<= ULTIMATE.start_main_~i~5 49), 78045#(<= ULTIMATE.start_main_~i~5 52), 78044#(<= ULTIMATE.start_main_~i~5 51), 78047#(<= ULTIMATE.start_main_~i~5 54), 78046#(<= ULTIMATE.start_main_~i~5 53), 78049#(<= ULTIMATE.start_main_~i~5 56), 78048#(<= ULTIMATE.start_main_~i~5 55), 78051#(<= ULTIMATE.start_main_~i~5 58), 78050#(<= ULTIMATE.start_main_~i~5 57), 78053#(<= ULTIMATE.start_main_~i~5 60), 78052#(<= ULTIMATE.start_main_~i~5 59), 78055#(<= ULTIMATE.start_main_~i~5 62), 78054#(<= ULTIMATE.start_main_~i~5 61), 78057#(<= ULTIMATE.start_main_~i~5 64), 78056#(<= ULTIMATE.start_main_~i~5 63), 78059#(<= ULTIMATE.start_main_~i~5 66), 78058#(<= ULTIMATE.start_main_~i~5 65), 78061#(<= ULTIMATE.start_main_~i~5 68), 78060#(<= ULTIMATE.start_main_~i~5 67), 78063#(<= ULTIMATE.start_main_~i~5 70), 78062#(<= ULTIMATE.start_main_~i~5 69), 78065#(<= ULTIMATE.start_main_~i~5 72), 78064#(<= ULTIMATE.start_main_~i~5 71), 78067#(<= ULTIMATE.start_main_~i~5 74), 78066#(<= ULTIMATE.start_main_~i~5 73), 78069#(<= ULTIMATE.start_main_~i~5 76), 78068#(<= ULTIMATE.start_main_~i~5 75), 78071#(<= ULTIMATE.start_main_~i~5 78), 78070#(<= ULTIMATE.start_main_~i~5 77), 78073#(<= ULTIMATE.start_main_~i~5 80), 78072#(<= ULTIMATE.start_main_~i~5 79), 78075#(<= ULTIMATE.start_main_~i~5 82), 78074#(<= ULTIMATE.start_main_~i~5 81), 78077#(<= ULTIMATE.start_main_~i~5 84), 78076#(<= ULTIMATE.start_main_~i~5 83), 78079#(<= ULTIMATE.start_main_~i~5 86), 78078#(<= ULTIMATE.start_main_~i~5 85)] [2018-07-23 13:41:44,148 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,148 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:41:44,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:41:44,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:41:44,151 INFO L87 Difference]: Start difference. First operand 261 states and 262 transitions. Second operand 130 states. [2018-07-23 13:41:44,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:44,365 INFO L93 Difference]: Finished difference Result 267 states and 269 transitions. [2018-07-23 13:41:44,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:41:44,365 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 260 [2018-07-23 13:41:44,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:44,366 INFO L225 Difference]: With dead ends: 267 [2018-07-23 13:41:44,366 INFO L226 Difference]: Without dead ends: 263 [2018-07-23 13:41:44,368 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:41:44,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-07-23 13:41:44,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-07-23 13:41:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-07-23 13:41:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 264 transitions. [2018-07-23 13:41:44,373 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 264 transitions. Word has length 260 [2018-07-23 13:41:44,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:44,373 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 264 transitions. [2018-07-23 13:41:44,373 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:41:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 264 transitions. [2018-07-23 13:41:44,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-07-23 13:41:44,375 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:44,375 INFO L357 BasicCegarLoop]: trace histogram [129, 128, 1, 1, 1, 1, 1] [2018-07-23 13:41:44,375 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:44,375 INFO L82 PathProgramCache]: Analyzing trace with hash -511099205, now seen corresponding path program 128 times [2018-07-23 13:41:44,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:45,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:45,010 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:45,010 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:41:45,010 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:45,010 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 13:41:45,010 INFO L185 omatonBuilderFactory]: Interpolants [79181#true, 79183#(<= ULTIMATE.start_main_~i~5 0), 79182#false, 79185#(<= ULTIMATE.start_main_~i~5 2), 79184#(<= ULTIMATE.start_main_~i~5 1), 79187#(<= ULTIMATE.start_main_~i~5 4), 79186#(<= ULTIMATE.start_main_~i~5 3), 79189#(<= ULTIMATE.start_main_~i~5 6), 79188#(<= ULTIMATE.start_main_~i~5 5), 79191#(<= ULTIMATE.start_main_~i~5 8), 79190#(<= ULTIMATE.start_main_~i~5 7), 79193#(<= ULTIMATE.start_main_~i~5 10), 79192#(<= ULTIMATE.start_main_~i~5 9), 79195#(<= ULTIMATE.start_main_~i~5 12), 79194#(<= ULTIMATE.start_main_~i~5 11), 79197#(<= ULTIMATE.start_main_~i~5 14), 79196#(<= ULTIMATE.start_main_~i~5 13), 79199#(<= ULTIMATE.start_main_~i~5 16), 79198#(<= ULTIMATE.start_main_~i~5 15), 79201#(<= ULTIMATE.start_main_~i~5 18), 79200#(<= ULTIMATE.start_main_~i~5 17), 79203#(<= ULTIMATE.start_main_~i~5 20), 79202#(<= ULTIMATE.start_main_~i~5 19), 79205#(<= ULTIMATE.start_main_~i~5 22), 79204#(<= ULTIMATE.start_main_~i~5 21), 79207#(<= ULTIMATE.start_main_~i~5 24), 79206#(<= ULTIMATE.start_main_~i~5 23), 79209#(<= ULTIMATE.start_main_~i~5 26), 79208#(<= ULTIMATE.start_main_~i~5 25), 79211#(<= ULTIMATE.start_main_~i~5 28), 79210#(<= ULTIMATE.start_main_~i~5 27), 79213#(<= ULTIMATE.start_main_~i~5 30), 79212#(<= ULTIMATE.start_main_~i~5 29), 79215#(<= ULTIMATE.start_main_~i~5 32), 79214#(<= ULTIMATE.start_main_~i~5 31), 79217#(<= ULTIMATE.start_main_~i~5 34), 79216#(<= ULTIMATE.start_main_~i~5 33), 79219#(<= ULTIMATE.start_main_~i~5 36), 79218#(<= ULTIMATE.start_main_~i~5 35), 79221#(<= ULTIMATE.start_main_~i~5 38), 79220#(<= ULTIMATE.start_main_~i~5 37), 79223#(<= ULTIMATE.start_main_~i~5 40), 79222#(<= ULTIMATE.start_main_~i~5 39), 79225#(<= ULTIMATE.start_main_~i~5 42), 79224#(<= ULTIMATE.start_main_~i~5 41), 79227#(<= ULTIMATE.start_main_~i~5 44), 79226#(<= ULTIMATE.start_main_~i~5 43), 79229#(<= ULTIMATE.start_main_~i~5 46), 79228#(<= ULTIMATE.start_main_~i~5 45), 79231#(<= ULTIMATE.start_main_~i~5 48), 79230#(<= ULTIMATE.start_main_~i~5 47), 79233#(<= ULTIMATE.start_main_~i~5 50), 79232#(<= ULTIMATE.start_main_~i~5 49), 79235#(<= ULTIMATE.start_main_~i~5 52), 79234#(<= ULTIMATE.start_main_~i~5 51), 79237#(<= ULTIMATE.start_main_~i~5 54), 79236#(<= ULTIMATE.start_main_~i~5 53), 79239#(<= ULTIMATE.start_main_~i~5 56), 79238#(<= ULTIMATE.start_main_~i~5 55), 79241#(<= ULTIMATE.start_main_~i~5 58), 79240#(<= ULTIMATE.start_main_~i~5 57), 79243#(<= ULTIMATE.start_main_~i~5 60), 79242#(<= ULTIMATE.start_main_~i~5 59), 79245#(<= ULTIMATE.start_main_~i~5 62), 79244#(<= ULTIMATE.start_main_~i~5 61), 79247#(<= ULTIMATE.start_main_~i~5 64), 79246#(<= ULTIMATE.start_main_~i~5 63), 79249#(<= ULTIMATE.start_main_~i~5 66), 79248#(<= ULTIMATE.start_main_~i~5 65), 79251#(<= ULTIMATE.start_main_~i~5 68), 79250#(<= ULTIMATE.start_main_~i~5 67), 79253#(<= ULTIMATE.start_main_~i~5 70), 79252#(<= ULTIMATE.start_main_~i~5 69), 79255#(<= ULTIMATE.start_main_~i~5 72), 79254#(<= ULTIMATE.start_main_~i~5 71), 79257#(<= ULTIMATE.start_main_~i~5 74), 79256#(<= ULTIMATE.start_main_~i~5 73), 79259#(<= ULTIMATE.start_main_~i~5 76), 79258#(<= ULTIMATE.start_main_~i~5 75), 79261#(<= ULTIMATE.start_main_~i~5 78), 79260#(<= ULTIMATE.start_main_~i~5 77), 79263#(<= ULTIMATE.start_main_~i~5 80), 79262#(<= ULTIMATE.start_main_~i~5 79), 79265#(<= ULTIMATE.start_main_~i~5 82), 79264#(<= ULTIMATE.start_main_~i~5 81), 79267#(<= ULTIMATE.start_main_~i~5 84), 79266#(<= ULTIMATE.start_main_~i~5 83), 79269#(<= ULTIMATE.start_main_~i~5 86), 79268#(<= ULTIMATE.start_main_~i~5 85), 79271#(<= ULTIMATE.start_main_~i~5 88), 79270#(<= ULTIMATE.start_main_~i~5 87), 79273#(<= ULTIMATE.start_main_~i~5 90), 79272#(<= ULTIMATE.start_main_~i~5 89), 79275#(<= ULTIMATE.start_main_~i~5 92), 79274#(<= ULTIMATE.start_main_~i~5 91), 79277#(<= ULTIMATE.start_main_~i~5 94), 79276#(<= ULTIMATE.start_main_~i~5 93), 79279#(<= ULTIMATE.start_main_~i~5 96), 79278#(<= ULTIMATE.start_main_~i~5 95), 79281#(<= ULTIMATE.start_main_~i~5 98), 79280#(<= ULTIMATE.start_main_~i~5 97), 79283#(<= ULTIMATE.start_main_~i~5 100), 79282#(<= ULTIMATE.start_main_~i~5 99), 79285#(<= ULTIMATE.start_main_~i~5 102), 79284#(<= ULTIMATE.start_main_~i~5 101), 79287#(<= ULTIMATE.start_main_~i~5 104), 79286#(<= ULTIMATE.start_main_~i~5 103), 79289#(<= ULTIMATE.start_main_~i~5 106), 79288#(<= ULTIMATE.start_main_~i~5 105), 79291#(<= ULTIMATE.start_main_~i~5 108), 79290#(<= ULTIMATE.start_main_~i~5 107), 79293#(<= ULTIMATE.start_main_~i~5 110), 79292#(<= ULTIMATE.start_main_~i~5 109), 79295#(<= ULTIMATE.start_main_~i~5 112), 79294#(<= ULTIMATE.start_main_~i~5 111), 79297#(<= ULTIMATE.start_main_~i~5 114), 79296#(<= ULTIMATE.start_main_~i~5 113), 79299#(<= ULTIMATE.start_main_~i~5 116), 79298#(<= ULTIMATE.start_main_~i~5 115), 79301#(<= ULTIMATE.start_main_~i~5 118), 79300#(<= ULTIMATE.start_main_~i~5 117), 79303#(<= ULTIMATE.start_main_~i~5 120), 79302#(<= ULTIMATE.start_main_~i~5 119), 79305#(<= ULTIMATE.start_main_~i~5 122), 79304#(<= ULTIMATE.start_main_~i~5 121), 79307#(<= ULTIMATE.start_main_~i~5 124), 79306#(<= ULTIMATE.start_main_~i~5 123), 79309#(<= ULTIMATE.start_main_~i~5 126), 79308#(<= ULTIMATE.start_main_~i~5 125), 79311#(<= ULTIMATE.start_main_~i~5 128), 79310#(<= ULTIMATE.start_main_~i~5 127)] [2018-07-23 13:41:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:45,012 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:41:45,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:41:45,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:41:45,014 INFO L87 Difference]: Start difference. First operand 263 states and 264 transitions. Second operand 131 states. [2018-07-23 13:41:45,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:45,357 INFO L93 Difference]: Finished difference Result 269 states and 271 transitions. [2018-07-23 13:41:45,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:41:45,357 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 262 [2018-07-23 13:41:45,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:45,358 INFO L225 Difference]: With dead ends: 269 [2018-07-23 13:41:45,358 INFO L226 Difference]: Without dead ends: 265 [2018-07-23 13:41:45,359 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 13:41:45,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-07-23 13:41:45,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-07-23 13:41:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-07-23 13:41:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 266 transitions. [2018-07-23 13:41:45,364 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 266 transitions. Word has length 262 [2018-07-23 13:41:45,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:45,364 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 266 transitions. [2018-07-23 13:41:45,364 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:41:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 266 transitions. [2018-07-23 13:41:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-23 13:41:45,366 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:45,366 INFO L357 BasicCegarLoop]: trace histogram [130, 129, 1, 1, 1, 1, 1] [2018-07-23 13:41:45,366 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:45,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1623622473, now seen corresponding path program 129 times [2018-07-23 13:41:45,366 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,032 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:46,032 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:41:46,032 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:46,032 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 13:41:46,032 INFO L185 omatonBuilderFactory]: Interpolants [80385#(<= ULTIMATE.start_main_~i~5 3), 80384#(<= ULTIMATE.start_main_~i~5 2), 80387#(<= ULTIMATE.start_main_~i~5 5), 80386#(<= ULTIMATE.start_main_~i~5 4), 80389#(<= ULTIMATE.start_main_~i~5 7), 80388#(<= ULTIMATE.start_main_~i~5 6), 80391#(<= ULTIMATE.start_main_~i~5 9), 80390#(<= ULTIMATE.start_main_~i~5 8), 80393#(<= ULTIMATE.start_main_~i~5 11), 80392#(<= ULTIMATE.start_main_~i~5 10), 80395#(<= ULTIMATE.start_main_~i~5 13), 80394#(<= ULTIMATE.start_main_~i~5 12), 80397#(<= ULTIMATE.start_main_~i~5 15), 80396#(<= ULTIMATE.start_main_~i~5 14), 80399#(<= ULTIMATE.start_main_~i~5 17), 80398#(<= ULTIMATE.start_main_~i~5 16), 80401#(<= ULTIMATE.start_main_~i~5 19), 80400#(<= ULTIMATE.start_main_~i~5 18), 80403#(<= ULTIMATE.start_main_~i~5 21), 80402#(<= ULTIMATE.start_main_~i~5 20), 80405#(<= ULTIMATE.start_main_~i~5 23), 80404#(<= ULTIMATE.start_main_~i~5 22), 80407#(<= ULTIMATE.start_main_~i~5 25), 80406#(<= ULTIMATE.start_main_~i~5 24), 80409#(<= ULTIMATE.start_main_~i~5 27), 80408#(<= ULTIMATE.start_main_~i~5 26), 80411#(<= ULTIMATE.start_main_~i~5 29), 80410#(<= ULTIMATE.start_main_~i~5 28), 80413#(<= ULTIMATE.start_main_~i~5 31), 80412#(<= ULTIMATE.start_main_~i~5 30), 80415#(<= ULTIMATE.start_main_~i~5 33), 80414#(<= ULTIMATE.start_main_~i~5 32), 80417#(<= ULTIMATE.start_main_~i~5 35), 80416#(<= ULTIMATE.start_main_~i~5 34), 80419#(<= ULTIMATE.start_main_~i~5 37), 80418#(<= ULTIMATE.start_main_~i~5 36), 80421#(<= ULTIMATE.start_main_~i~5 39), 80420#(<= ULTIMATE.start_main_~i~5 38), 80423#(<= ULTIMATE.start_main_~i~5 41), 80422#(<= ULTIMATE.start_main_~i~5 40), 80425#(<= ULTIMATE.start_main_~i~5 43), 80424#(<= ULTIMATE.start_main_~i~5 42), 80427#(<= ULTIMATE.start_main_~i~5 45), 80426#(<= ULTIMATE.start_main_~i~5 44), 80429#(<= ULTIMATE.start_main_~i~5 47), 80428#(<= ULTIMATE.start_main_~i~5 46), 80431#(<= ULTIMATE.start_main_~i~5 49), 80430#(<= ULTIMATE.start_main_~i~5 48), 80433#(<= ULTIMATE.start_main_~i~5 51), 80432#(<= ULTIMATE.start_main_~i~5 50), 80435#(<= ULTIMATE.start_main_~i~5 53), 80434#(<= ULTIMATE.start_main_~i~5 52), 80437#(<= ULTIMATE.start_main_~i~5 55), 80436#(<= ULTIMATE.start_main_~i~5 54), 80439#(<= ULTIMATE.start_main_~i~5 57), 80438#(<= ULTIMATE.start_main_~i~5 56), 80441#(<= ULTIMATE.start_main_~i~5 59), 80440#(<= ULTIMATE.start_main_~i~5 58), 80443#(<= ULTIMATE.start_main_~i~5 61), 80442#(<= ULTIMATE.start_main_~i~5 60), 80445#(<= ULTIMATE.start_main_~i~5 63), 80444#(<= ULTIMATE.start_main_~i~5 62), 80447#(<= ULTIMATE.start_main_~i~5 65), 80446#(<= ULTIMATE.start_main_~i~5 64), 80449#(<= ULTIMATE.start_main_~i~5 67), 80448#(<= ULTIMATE.start_main_~i~5 66), 80451#(<= ULTIMATE.start_main_~i~5 69), 80450#(<= ULTIMATE.start_main_~i~5 68), 80453#(<= ULTIMATE.start_main_~i~5 71), 80452#(<= ULTIMATE.start_main_~i~5 70), 80455#(<= ULTIMATE.start_main_~i~5 73), 80454#(<= ULTIMATE.start_main_~i~5 72), 80457#(<= ULTIMATE.start_main_~i~5 75), 80456#(<= ULTIMATE.start_main_~i~5 74), 80459#(<= ULTIMATE.start_main_~i~5 77), 80458#(<= ULTIMATE.start_main_~i~5 76), 80461#(<= ULTIMATE.start_main_~i~5 79), 80460#(<= ULTIMATE.start_main_~i~5 78), 80463#(<= ULTIMATE.start_main_~i~5 81), 80462#(<= ULTIMATE.start_main_~i~5 80), 80465#(<= ULTIMATE.start_main_~i~5 83), 80464#(<= ULTIMATE.start_main_~i~5 82), 80467#(<= ULTIMATE.start_main_~i~5 85), 80466#(<= ULTIMATE.start_main_~i~5 84), 80469#(<= ULTIMATE.start_main_~i~5 87), 80468#(<= ULTIMATE.start_main_~i~5 86), 80471#(<= ULTIMATE.start_main_~i~5 89), 80470#(<= ULTIMATE.start_main_~i~5 88), 80473#(<= ULTIMATE.start_main_~i~5 91), 80472#(<= ULTIMATE.start_main_~i~5 90), 80475#(<= ULTIMATE.start_main_~i~5 93), 80474#(<= ULTIMATE.start_main_~i~5 92), 80477#(<= ULTIMATE.start_main_~i~5 95), 80476#(<= ULTIMATE.start_main_~i~5 94), 80479#(<= ULTIMATE.start_main_~i~5 97), 80478#(<= ULTIMATE.start_main_~i~5 96), 80481#(<= ULTIMATE.start_main_~i~5 99), 80480#(<= ULTIMATE.start_main_~i~5 98), 80483#(<= ULTIMATE.start_main_~i~5 101), 80482#(<= ULTIMATE.start_main_~i~5 100), 80485#(<= ULTIMATE.start_main_~i~5 103), 80484#(<= ULTIMATE.start_main_~i~5 102), 80487#(<= ULTIMATE.start_main_~i~5 105), 80486#(<= ULTIMATE.start_main_~i~5 104), 80489#(<= ULTIMATE.start_main_~i~5 107), 80488#(<= ULTIMATE.start_main_~i~5 106), 80491#(<= ULTIMATE.start_main_~i~5 109), 80490#(<= ULTIMATE.start_main_~i~5 108), 80493#(<= ULTIMATE.start_main_~i~5 111), 80492#(<= ULTIMATE.start_main_~i~5 110), 80495#(<= ULTIMATE.start_main_~i~5 113), 80494#(<= ULTIMATE.start_main_~i~5 112), 80497#(<= ULTIMATE.start_main_~i~5 115), 80496#(<= ULTIMATE.start_main_~i~5 114), 80499#(<= ULTIMATE.start_main_~i~5 117), 80498#(<= ULTIMATE.start_main_~i~5 116), 80501#(<= ULTIMATE.start_main_~i~5 119), 80500#(<= ULTIMATE.start_main_~i~5 118), 80503#(<= ULTIMATE.start_main_~i~5 121), 80502#(<= ULTIMATE.start_main_~i~5 120), 80505#(<= ULTIMATE.start_main_~i~5 123), 80504#(<= ULTIMATE.start_main_~i~5 122), 80507#(<= ULTIMATE.start_main_~i~5 125), 80506#(<= ULTIMATE.start_main_~i~5 124), 80509#(<= ULTIMATE.start_main_~i~5 127), 80508#(<= ULTIMATE.start_main_~i~5 126), 80511#(<= ULTIMATE.start_main_~i~5 129), 80510#(<= ULTIMATE.start_main_~i~5 128), 80381#false, 80380#true, 80383#(<= ULTIMATE.start_main_~i~5 1), 80382#(<= ULTIMATE.start_main_~i~5 0)] [2018-07-23 13:41:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,033 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:41:46,034 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:41:46,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:41:46,035 INFO L87 Difference]: Start difference. First operand 265 states and 266 transitions. Second operand 132 states. [2018-07-23 13:41:46,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:46,476 INFO L93 Difference]: Finished difference Result 271 states and 273 transitions. [2018-07-23 13:41:46,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:41:46,476 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 264 [2018-07-23 13:41:46,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:46,477 INFO L225 Difference]: With dead ends: 271 [2018-07-23 13:41:46,477 INFO L226 Difference]: Without dead ends: 267 [2018-07-23 13:41:46,478 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:41:46,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-07-23 13:41:46,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-07-23 13:41:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-07-23 13:41:46,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 268 transitions. [2018-07-23 13:41:46,481 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 268 transitions. Word has length 264 [2018-07-23 13:41:46,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:46,482 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 268 transitions. [2018-07-23 13:41:46,482 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:41:46,482 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 268 transitions. [2018-07-23 13:41:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-07-23 13:41:46,482 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:46,483 INFO L357 BasicCegarLoop]: trace histogram [131, 130, 1, 1, 1, 1, 1] [2018-07-23 13:41:46,483 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:46,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1311626317, now seen corresponding path program 130 times [2018-07-23 13:41:46,483 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,097 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:47,098 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:41:47,098 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:47,098 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 13:41:47,098 INFO L185 omatonBuilderFactory]: Interpolants [81665#(<= ULTIMATE.start_main_~i~5 75), 81664#(<= ULTIMATE.start_main_~i~5 74), 81667#(<= ULTIMATE.start_main_~i~5 77), 81666#(<= ULTIMATE.start_main_~i~5 76), 81669#(<= ULTIMATE.start_main_~i~5 79), 81668#(<= ULTIMATE.start_main_~i~5 78), 81671#(<= ULTIMATE.start_main_~i~5 81), 81670#(<= ULTIMATE.start_main_~i~5 80), 81673#(<= ULTIMATE.start_main_~i~5 83), 81672#(<= ULTIMATE.start_main_~i~5 82), 81675#(<= ULTIMATE.start_main_~i~5 85), 81674#(<= ULTIMATE.start_main_~i~5 84), 81677#(<= ULTIMATE.start_main_~i~5 87), 81676#(<= ULTIMATE.start_main_~i~5 86), 81679#(<= ULTIMATE.start_main_~i~5 89), 81678#(<= ULTIMATE.start_main_~i~5 88), 81681#(<= ULTIMATE.start_main_~i~5 91), 81680#(<= ULTIMATE.start_main_~i~5 90), 81683#(<= ULTIMATE.start_main_~i~5 93), 81682#(<= ULTIMATE.start_main_~i~5 92), 81685#(<= ULTIMATE.start_main_~i~5 95), 81684#(<= ULTIMATE.start_main_~i~5 94), 81687#(<= ULTIMATE.start_main_~i~5 97), 81686#(<= ULTIMATE.start_main_~i~5 96), 81689#(<= ULTIMATE.start_main_~i~5 99), 81688#(<= ULTIMATE.start_main_~i~5 98), 81691#(<= ULTIMATE.start_main_~i~5 101), 81690#(<= ULTIMATE.start_main_~i~5 100), 81693#(<= ULTIMATE.start_main_~i~5 103), 81692#(<= ULTIMATE.start_main_~i~5 102), 81695#(<= ULTIMATE.start_main_~i~5 105), 81694#(<= ULTIMATE.start_main_~i~5 104), 81697#(<= ULTIMATE.start_main_~i~5 107), 81696#(<= ULTIMATE.start_main_~i~5 106), 81699#(<= ULTIMATE.start_main_~i~5 109), 81698#(<= ULTIMATE.start_main_~i~5 108), 81701#(<= ULTIMATE.start_main_~i~5 111), 81700#(<= ULTIMATE.start_main_~i~5 110), 81703#(<= ULTIMATE.start_main_~i~5 113), 81702#(<= ULTIMATE.start_main_~i~5 112), 81705#(<= ULTIMATE.start_main_~i~5 115), 81704#(<= ULTIMATE.start_main_~i~5 114), 81707#(<= ULTIMATE.start_main_~i~5 117), 81706#(<= ULTIMATE.start_main_~i~5 116), 81709#(<= ULTIMATE.start_main_~i~5 119), 81708#(<= ULTIMATE.start_main_~i~5 118), 81711#(<= ULTIMATE.start_main_~i~5 121), 81710#(<= ULTIMATE.start_main_~i~5 120), 81713#(<= ULTIMATE.start_main_~i~5 123), 81712#(<= ULTIMATE.start_main_~i~5 122), 81715#(<= ULTIMATE.start_main_~i~5 125), 81714#(<= ULTIMATE.start_main_~i~5 124), 81717#(<= ULTIMATE.start_main_~i~5 127), 81716#(<= ULTIMATE.start_main_~i~5 126), 81719#(<= ULTIMATE.start_main_~i~5 129), 81718#(<= ULTIMATE.start_main_~i~5 128), 81720#(<= ULTIMATE.start_main_~i~5 130), 81589#false, 81588#true, 81591#(<= ULTIMATE.start_main_~i~5 1), 81590#(<= ULTIMATE.start_main_~i~5 0), 81593#(<= ULTIMATE.start_main_~i~5 3), 81592#(<= ULTIMATE.start_main_~i~5 2), 81595#(<= ULTIMATE.start_main_~i~5 5), 81594#(<= ULTIMATE.start_main_~i~5 4), 81597#(<= ULTIMATE.start_main_~i~5 7), 81596#(<= ULTIMATE.start_main_~i~5 6), 81599#(<= ULTIMATE.start_main_~i~5 9), 81598#(<= ULTIMATE.start_main_~i~5 8), 81601#(<= ULTIMATE.start_main_~i~5 11), 81600#(<= ULTIMATE.start_main_~i~5 10), 81603#(<= ULTIMATE.start_main_~i~5 13), 81602#(<= ULTIMATE.start_main_~i~5 12), 81605#(<= ULTIMATE.start_main_~i~5 15), 81604#(<= ULTIMATE.start_main_~i~5 14), 81607#(<= ULTIMATE.start_main_~i~5 17), 81606#(<= ULTIMATE.start_main_~i~5 16), 81609#(<= ULTIMATE.start_main_~i~5 19), 81608#(<= ULTIMATE.start_main_~i~5 18), 81611#(<= ULTIMATE.start_main_~i~5 21), 81610#(<= ULTIMATE.start_main_~i~5 20), 81613#(<= ULTIMATE.start_main_~i~5 23), 81612#(<= ULTIMATE.start_main_~i~5 22), 81615#(<= ULTIMATE.start_main_~i~5 25), 81614#(<= ULTIMATE.start_main_~i~5 24), 81617#(<= ULTIMATE.start_main_~i~5 27), 81616#(<= ULTIMATE.start_main_~i~5 26), 81619#(<= ULTIMATE.start_main_~i~5 29), 81618#(<= ULTIMATE.start_main_~i~5 28), 81621#(<= ULTIMATE.start_main_~i~5 31), 81620#(<= ULTIMATE.start_main_~i~5 30), 81623#(<= ULTIMATE.start_main_~i~5 33), 81622#(<= ULTIMATE.start_main_~i~5 32), 81625#(<= ULTIMATE.start_main_~i~5 35), 81624#(<= ULTIMATE.start_main_~i~5 34), 81627#(<= ULTIMATE.start_main_~i~5 37), 81626#(<= ULTIMATE.start_main_~i~5 36), 81629#(<= ULTIMATE.start_main_~i~5 39), 81628#(<= ULTIMATE.start_main_~i~5 38), 81631#(<= ULTIMATE.start_main_~i~5 41), 81630#(<= ULTIMATE.start_main_~i~5 40), 81633#(<= ULTIMATE.start_main_~i~5 43), 81632#(<= ULTIMATE.start_main_~i~5 42), 81635#(<= ULTIMATE.start_main_~i~5 45), 81634#(<= ULTIMATE.start_main_~i~5 44), 81637#(<= ULTIMATE.start_main_~i~5 47), 81636#(<= ULTIMATE.start_main_~i~5 46), 81639#(<= ULTIMATE.start_main_~i~5 49), 81638#(<= ULTIMATE.start_main_~i~5 48), 81641#(<= ULTIMATE.start_main_~i~5 51), 81640#(<= ULTIMATE.start_main_~i~5 50), 81643#(<= ULTIMATE.start_main_~i~5 53), 81642#(<= ULTIMATE.start_main_~i~5 52), 81645#(<= ULTIMATE.start_main_~i~5 55), 81644#(<= ULTIMATE.start_main_~i~5 54), 81647#(<= ULTIMATE.start_main_~i~5 57), 81646#(<= ULTIMATE.start_main_~i~5 56), 81649#(<= ULTIMATE.start_main_~i~5 59), 81648#(<= ULTIMATE.start_main_~i~5 58), 81651#(<= ULTIMATE.start_main_~i~5 61), 81650#(<= ULTIMATE.start_main_~i~5 60), 81653#(<= ULTIMATE.start_main_~i~5 63), 81652#(<= ULTIMATE.start_main_~i~5 62), 81655#(<= ULTIMATE.start_main_~i~5 65), 81654#(<= ULTIMATE.start_main_~i~5 64), 81657#(<= ULTIMATE.start_main_~i~5 67), 81656#(<= ULTIMATE.start_main_~i~5 66), 81659#(<= ULTIMATE.start_main_~i~5 69), 81658#(<= ULTIMATE.start_main_~i~5 68), 81661#(<= ULTIMATE.start_main_~i~5 71), 81660#(<= ULTIMATE.start_main_~i~5 70), 81663#(<= ULTIMATE.start_main_~i~5 73), 81662#(<= ULTIMATE.start_main_~i~5 72)] [2018-07-23 13:41:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,099 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:41:47,101 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:41:47,102 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:41:47,102 INFO L87 Difference]: Start difference. First operand 267 states and 268 transitions. Second operand 133 states. [2018-07-23 13:41:47,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:47,262 INFO L93 Difference]: Finished difference Result 273 states and 275 transitions. [2018-07-23 13:41:47,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:41:47,262 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 266 [2018-07-23 13:41:47,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:47,262 INFO L225 Difference]: With dead ends: 273 [2018-07-23 13:41:47,262 INFO L226 Difference]: Without dead ends: 269 [2018-07-23 13:41:47,264 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:41:47,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-07-23 13:41:47,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-07-23 13:41:47,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-07-23 13:41:47,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 270 transitions. [2018-07-23 13:41:47,267 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 270 transitions. Word has length 266 [2018-07-23 13:41:47,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:47,268 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 270 transitions. [2018-07-23 13:41:47,268 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:41:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 270 transitions. [2018-07-23 13:41:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-07-23 13:41:47,269 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:47,269 INFO L357 BasicCegarLoop]: trace histogram [132, 131, 1, 1, 1, 1, 1] [2018-07-23 13:41:47,269 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:47,269 INFO L82 PathProgramCache]: Analyzing trace with hash -2131031121, now seen corresponding path program 131 times [2018-07-23 13:41:47,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:47,899 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,899 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:47,899 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:41:47,899 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:47,900 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 13:41:47,900 INFO L185 omatonBuilderFactory]: Interpolants [82805#true, 82807#(<= ULTIMATE.start_main_~i~5 0), 82806#false, 82809#(<= ULTIMATE.start_main_~i~5 2), 82808#(<= ULTIMATE.start_main_~i~5 1), 82811#(<= ULTIMATE.start_main_~i~5 4), 82810#(<= ULTIMATE.start_main_~i~5 3), 82813#(<= ULTIMATE.start_main_~i~5 6), 82812#(<= ULTIMATE.start_main_~i~5 5), 82815#(<= ULTIMATE.start_main_~i~5 8), 82814#(<= ULTIMATE.start_main_~i~5 7), 82817#(<= ULTIMATE.start_main_~i~5 10), 82816#(<= ULTIMATE.start_main_~i~5 9), 82819#(<= ULTIMATE.start_main_~i~5 12), 82818#(<= ULTIMATE.start_main_~i~5 11), 82821#(<= ULTIMATE.start_main_~i~5 14), 82820#(<= ULTIMATE.start_main_~i~5 13), 82823#(<= ULTIMATE.start_main_~i~5 16), 82822#(<= ULTIMATE.start_main_~i~5 15), 82825#(<= ULTIMATE.start_main_~i~5 18), 82824#(<= ULTIMATE.start_main_~i~5 17), 82827#(<= ULTIMATE.start_main_~i~5 20), 82826#(<= ULTIMATE.start_main_~i~5 19), 82829#(<= ULTIMATE.start_main_~i~5 22), 82828#(<= ULTIMATE.start_main_~i~5 21), 82831#(<= ULTIMATE.start_main_~i~5 24), 82830#(<= ULTIMATE.start_main_~i~5 23), 82833#(<= ULTIMATE.start_main_~i~5 26), 82832#(<= ULTIMATE.start_main_~i~5 25), 82835#(<= ULTIMATE.start_main_~i~5 28), 82834#(<= ULTIMATE.start_main_~i~5 27), 82837#(<= ULTIMATE.start_main_~i~5 30), 82836#(<= ULTIMATE.start_main_~i~5 29), 82839#(<= ULTIMATE.start_main_~i~5 32), 82838#(<= ULTIMATE.start_main_~i~5 31), 82841#(<= ULTIMATE.start_main_~i~5 34), 82840#(<= ULTIMATE.start_main_~i~5 33), 82843#(<= ULTIMATE.start_main_~i~5 36), 82842#(<= ULTIMATE.start_main_~i~5 35), 82845#(<= ULTIMATE.start_main_~i~5 38), 82844#(<= ULTIMATE.start_main_~i~5 37), 82847#(<= ULTIMATE.start_main_~i~5 40), 82846#(<= ULTIMATE.start_main_~i~5 39), 82849#(<= ULTIMATE.start_main_~i~5 42), 82848#(<= ULTIMATE.start_main_~i~5 41), 82851#(<= ULTIMATE.start_main_~i~5 44), 82850#(<= ULTIMATE.start_main_~i~5 43), 82853#(<= ULTIMATE.start_main_~i~5 46), 82852#(<= ULTIMATE.start_main_~i~5 45), 82855#(<= ULTIMATE.start_main_~i~5 48), 82854#(<= ULTIMATE.start_main_~i~5 47), 82857#(<= ULTIMATE.start_main_~i~5 50), 82856#(<= ULTIMATE.start_main_~i~5 49), 82859#(<= ULTIMATE.start_main_~i~5 52), 82858#(<= ULTIMATE.start_main_~i~5 51), 82861#(<= ULTIMATE.start_main_~i~5 54), 82860#(<= ULTIMATE.start_main_~i~5 53), 82863#(<= ULTIMATE.start_main_~i~5 56), 82862#(<= ULTIMATE.start_main_~i~5 55), 82865#(<= ULTIMATE.start_main_~i~5 58), 82864#(<= ULTIMATE.start_main_~i~5 57), 82867#(<= ULTIMATE.start_main_~i~5 60), 82866#(<= ULTIMATE.start_main_~i~5 59), 82869#(<= ULTIMATE.start_main_~i~5 62), 82868#(<= ULTIMATE.start_main_~i~5 61), 82871#(<= ULTIMATE.start_main_~i~5 64), 82870#(<= ULTIMATE.start_main_~i~5 63), 82873#(<= ULTIMATE.start_main_~i~5 66), 82872#(<= ULTIMATE.start_main_~i~5 65), 82875#(<= ULTIMATE.start_main_~i~5 68), 82874#(<= ULTIMATE.start_main_~i~5 67), 82877#(<= ULTIMATE.start_main_~i~5 70), 82876#(<= ULTIMATE.start_main_~i~5 69), 82879#(<= ULTIMATE.start_main_~i~5 72), 82878#(<= ULTIMATE.start_main_~i~5 71), 82881#(<= ULTIMATE.start_main_~i~5 74), 82880#(<= ULTIMATE.start_main_~i~5 73), 82883#(<= ULTIMATE.start_main_~i~5 76), 82882#(<= ULTIMATE.start_main_~i~5 75), 82885#(<= ULTIMATE.start_main_~i~5 78), 82884#(<= ULTIMATE.start_main_~i~5 77), 82887#(<= ULTIMATE.start_main_~i~5 80), 82886#(<= ULTIMATE.start_main_~i~5 79), 82889#(<= ULTIMATE.start_main_~i~5 82), 82888#(<= ULTIMATE.start_main_~i~5 81), 82891#(<= ULTIMATE.start_main_~i~5 84), 82890#(<= ULTIMATE.start_main_~i~5 83), 82893#(<= ULTIMATE.start_main_~i~5 86), 82892#(<= ULTIMATE.start_main_~i~5 85), 82895#(<= ULTIMATE.start_main_~i~5 88), 82894#(<= ULTIMATE.start_main_~i~5 87), 82897#(<= ULTIMATE.start_main_~i~5 90), 82896#(<= ULTIMATE.start_main_~i~5 89), 82899#(<= ULTIMATE.start_main_~i~5 92), 82898#(<= ULTIMATE.start_main_~i~5 91), 82901#(<= ULTIMATE.start_main_~i~5 94), 82900#(<= ULTIMATE.start_main_~i~5 93), 82903#(<= ULTIMATE.start_main_~i~5 96), 82902#(<= ULTIMATE.start_main_~i~5 95), 82905#(<= ULTIMATE.start_main_~i~5 98), 82904#(<= ULTIMATE.start_main_~i~5 97), 82907#(<= ULTIMATE.start_main_~i~5 100), 82906#(<= ULTIMATE.start_main_~i~5 99), 82909#(<= ULTIMATE.start_main_~i~5 102), 82908#(<= ULTIMATE.start_main_~i~5 101), 82911#(<= ULTIMATE.start_main_~i~5 104), 82910#(<= ULTIMATE.start_main_~i~5 103), 82913#(<= ULTIMATE.start_main_~i~5 106), 82912#(<= ULTIMATE.start_main_~i~5 105), 82915#(<= ULTIMATE.start_main_~i~5 108), 82914#(<= ULTIMATE.start_main_~i~5 107), 82917#(<= ULTIMATE.start_main_~i~5 110), 82916#(<= ULTIMATE.start_main_~i~5 109), 82919#(<= ULTIMATE.start_main_~i~5 112), 82918#(<= ULTIMATE.start_main_~i~5 111), 82921#(<= ULTIMATE.start_main_~i~5 114), 82920#(<= ULTIMATE.start_main_~i~5 113), 82923#(<= ULTIMATE.start_main_~i~5 116), 82922#(<= ULTIMATE.start_main_~i~5 115), 82925#(<= ULTIMATE.start_main_~i~5 118), 82924#(<= ULTIMATE.start_main_~i~5 117), 82927#(<= ULTIMATE.start_main_~i~5 120), 82926#(<= ULTIMATE.start_main_~i~5 119), 82929#(<= ULTIMATE.start_main_~i~5 122), 82928#(<= ULTIMATE.start_main_~i~5 121), 82931#(<= ULTIMATE.start_main_~i~5 124), 82930#(<= ULTIMATE.start_main_~i~5 123), 82933#(<= ULTIMATE.start_main_~i~5 126), 82932#(<= ULTIMATE.start_main_~i~5 125), 82935#(<= ULTIMATE.start_main_~i~5 128), 82934#(<= ULTIMATE.start_main_~i~5 127), 82937#(<= ULTIMATE.start_main_~i~5 130), 82936#(<= ULTIMATE.start_main_~i~5 129), 82938#(<= ULTIMATE.start_main_~i~5 131)] [2018-07-23 13:41:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,901 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:41:47,902 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:41:47,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:41:47,903 INFO L87 Difference]: Start difference. First operand 269 states and 270 transitions. Second operand 134 states. [2018-07-23 13:41:48,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:48,371 INFO L93 Difference]: Finished difference Result 275 states and 277 transitions. [2018-07-23 13:41:48,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:41:48,371 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 268 [2018-07-23 13:41:48,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:48,372 INFO L225 Difference]: With dead ends: 275 [2018-07-23 13:41:48,372 INFO L226 Difference]: Without dead ends: 271 [2018-07-23 13:41:48,374 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 13:41:48,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-07-23 13:41:48,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2018-07-23 13:41:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-07-23 13:41:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 272 transitions. [2018-07-23 13:41:48,378 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 272 transitions. Word has length 268 [2018-07-23 13:41:48,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:48,379 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 272 transitions. [2018-07-23 13:41:48,379 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:41:48,379 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 272 transitions. [2018-07-23 13:41:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-07-23 13:41:48,380 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:48,380 INFO L357 BasicCegarLoop]: trace histogram [133, 132, 1, 1, 1, 1, 1] [2018-07-23 13:41:48,380 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:48,381 INFO L82 PathProgramCache]: Analyzing trace with hash 694934699, now seen corresponding path program 132 times [2018-07-23 13:41:48,381 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:49,079 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,080 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:49,080 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:41:49,080 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:49,080 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 13:41:49,081 INFO L185 omatonBuilderFactory]: Interpolants [84031#true, 84033#(<= ULTIMATE.start_main_~i~5 0), 84032#false, 84035#(<= ULTIMATE.start_main_~i~5 2), 84034#(<= ULTIMATE.start_main_~i~5 1), 84037#(<= ULTIMATE.start_main_~i~5 4), 84036#(<= ULTIMATE.start_main_~i~5 3), 84039#(<= ULTIMATE.start_main_~i~5 6), 84038#(<= ULTIMATE.start_main_~i~5 5), 84041#(<= ULTIMATE.start_main_~i~5 8), 84040#(<= ULTIMATE.start_main_~i~5 7), 84043#(<= ULTIMATE.start_main_~i~5 10), 84042#(<= ULTIMATE.start_main_~i~5 9), 84045#(<= ULTIMATE.start_main_~i~5 12), 84044#(<= ULTIMATE.start_main_~i~5 11), 84047#(<= ULTIMATE.start_main_~i~5 14), 84046#(<= ULTIMATE.start_main_~i~5 13), 84049#(<= ULTIMATE.start_main_~i~5 16), 84048#(<= ULTIMATE.start_main_~i~5 15), 84051#(<= ULTIMATE.start_main_~i~5 18), 84050#(<= ULTIMATE.start_main_~i~5 17), 84053#(<= ULTIMATE.start_main_~i~5 20), 84052#(<= ULTIMATE.start_main_~i~5 19), 84055#(<= ULTIMATE.start_main_~i~5 22), 84054#(<= ULTIMATE.start_main_~i~5 21), 84057#(<= ULTIMATE.start_main_~i~5 24), 84056#(<= ULTIMATE.start_main_~i~5 23), 84059#(<= ULTIMATE.start_main_~i~5 26), 84058#(<= ULTIMATE.start_main_~i~5 25), 84061#(<= ULTIMATE.start_main_~i~5 28), 84060#(<= ULTIMATE.start_main_~i~5 27), 84063#(<= ULTIMATE.start_main_~i~5 30), 84062#(<= ULTIMATE.start_main_~i~5 29), 84065#(<= ULTIMATE.start_main_~i~5 32), 84064#(<= ULTIMATE.start_main_~i~5 31), 84067#(<= ULTIMATE.start_main_~i~5 34), 84066#(<= ULTIMATE.start_main_~i~5 33), 84069#(<= ULTIMATE.start_main_~i~5 36), 84068#(<= ULTIMATE.start_main_~i~5 35), 84071#(<= ULTIMATE.start_main_~i~5 38), 84070#(<= ULTIMATE.start_main_~i~5 37), 84073#(<= ULTIMATE.start_main_~i~5 40), 84072#(<= ULTIMATE.start_main_~i~5 39), 84075#(<= ULTIMATE.start_main_~i~5 42), 84074#(<= ULTIMATE.start_main_~i~5 41), 84077#(<= ULTIMATE.start_main_~i~5 44), 84076#(<= ULTIMATE.start_main_~i~5 43), 84079#(<= ULTIMATE.start_main_~i~5 46), 84078#(<= ULTIMATE.start_main_~i~5 45), 84081#(<= ULTIMATE.start_main_~i~5 48), 84080#(<= ULTIMATE.start_main_~i~5 47), 84083#(<= ULTIMATE.start_main_~i~5 50), 84082#(<= ULTIMATE.start_main_~i~5 49), 84085#(<= ULTIMATE.start_main_~i~5 52), 84084#(<= ULTIMATE.start_main_~i~5 51), 84087#(<= ULTIMATE.start_main_~i~5 54), 84086#(<= ULTIMATE.start_main_~i~5 53), 84089#(<= ULTIMATE.start_main_~i~5 56), 84088#(<= ULTIMATE.start_main_~i~5 55), 84091#(<= ULTIMATE.start_main_~i~5 58), 84090#(<= ULTIMATE.start_main_~i~5 57), 84093#(<= ULTIMATE.start_main_~i~5 60), 84092#(<= ULTIMATE.start_main_~i~5 59), 84095#(<= ULTIMATE.start_main_~i~5 62), 84094#(<= ULTIMATE.start_main_~i~5 61), 84097#(<= ULTIMATE.start_main_~i~5 64), 84096#(<= ULTIMATE.start_main_~i~5 63), 84099#(<= ULTIMATE.start_main_~i~5 66), 84098#(<= ULTIMATE.start_main_~i~5 65), 84101#(<= ULTIMATE.start_main_~i~5 68), 84100#(<= ULTIMATE.start_main_~i~5 67), 84103#(<= ULTIMATE.start_main_~i~5 70), 84102#(<= ULTIMATE.start_main_~i~5 69), 84105#(<= ULTIMATE.start_main_~i~5 72), 84104#(<= ULTIMATE.start_main_~i~5 71), 84107#(<= ULTIMATE.start_main_~i~5 74), 84106#(<= ULTIMATE.start_main_~i~5 73), 84109#(<= ULTIMATE.start_main_~i~5 76), 84108#(<= ULTIMATE.start_main_~i~5 75), 84111#(<= ULTIMATE.start_main_~i~5 78), 84110#(<= ULTIMATE.start_main_~i~5 77), 84113#(<= ULTIMATE.start_main_~i~5 80), 84112#(<= ULTIMATE.start_main_~i~5 79), 84115#(<= ULTIMATE.start_main_~i~5 82), 84114#(<= ULTIMATE.start_main_~i~5 81), 84117#(<= ULTIMATE.start_main_~i~5 84), 84116#(<= ULTIMATE.start_main_~i~5 83), 84119#(<= ULTIMATE.start_main_~i~5 86), 84118#(<= ULTIMATE.start_main_~i~5 85), 84121#(<= ULTIMATE.start_main_~i~5 88), 84120#(<= ULTIMATE.start_main_~i~5 87), 84123#(<= ULTIMATE.start_main_~i~5 90), 84122#(<= ULTIMATE.start_main_~i~5 89), 84125#(<= ULTIMATE.start_main_~i~5 92), 84124#(<= ULTIMATE.start_main_~i~5 91), 84127#(<= ULTIMATE.start_main_~i~5 94), 84126#(<= ULTIMATE.start_main_~i~5 93), 84129#(<= ULTIMATE.start_main_~i~5 96), 84128#(<= ULTIMATE.start_main_~i~5 95), 84131#(<= ULTIMATE.start_main_~i~5 98), 84130#(<= ULTIMATE.start_main_~i~5 97), 84133#(<= ULTIMATE.start_main_~i~5 100), 84132#(<= ULTIMATE.start_main_~i~5 99), 84135#(<= ULTIMATE.start_main_~i~5 102), 84134#(<= ULTIMATE.start_main_~i~5 101), 84137#(<= ULTIMATE.start_main_~i~5 104), 84136#(<= ULTIMATE.start_main_~i~5 103), 84139#(<= ULTIMATE.start_main_~i~5 106), 84138#(<= ULTIMATE.start_main_~i~5 105), 84141#(<= ULTIMATE.start_main_~i~5 108), 84140#(<= ULTIMATE.start_main_~i~5 107), 84143#(<= ULTIMATE.start_main_~i~5 110), 84142#(<= ULTIMATE.start_main_~i~5 109), 84145#(<= ULTIMATE.start_main_~i~5 112), 84144#(<= ULTIMATE.start_main_~i~5 111), 84147#(<= ULTIMATE.start_main_~i~5 114), 84146#(<= ULTIMATE.start_main_~i~5 113), 84149#(<= ULTIMATE.start_main_~i~5 116), 84148#(<= ULTIMATE.start_main_~i~5 115), 84151#(<= ULTIMATE.start_main_~i~5 118), 84150#(<= ULTIMATE.start_main_~i~5 117), 84153#(<= ULTIMATE.start_main_~i~5 120), 84152#(<= ULTIMATE.start_main_~i~5 119), 84155#(<= ULTIMATE.start_main_~i~5 122), 84154#(<= ULTIMATE.start_main_~i~5 121), 84157#(<= ULTIMATE.start_main_~i~5 124), 84156#(<= ULTIMATE.start_main_~i~5 123), 84159#(<= ULTIMATE.start_main_~i~5 126), 84158#(<= ULTIMATE.start_main_~i~5 125), 84161#(<= ULTIMATE.start_main_~i~5 128), 84160#(<= ULTIMATE.start_main_~i~5 127), 84163#(<= ULTIMATE.start_main_~i~5 130), 84162#(<= ULTIMATE.start_main_~i~5 129), 84165#(<= ULTIMATE.start_main_~i~5 132), 84164#(<= ULTIMATE.start_main_~i~5 131)] [2018-07-23 13:41:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,082 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:41:49,083 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:41:49,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:41:49,084 INFO L87 Difference]: Start difference. First operand 271 states and 272 transitions. Second operand 135 states. [2018-07-23 13:41:49,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:49,488 INFO L93 Difference]: Finished difference Result 277 states and 279 transitions. [2018-07-23 13:41:49,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:41:49,489 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 270 [2018-07-23 13:41:49,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:49,489 INFO L225 Difference]: With dead ends: 277 [2018-07-23 13:41:49,489 INFO L226 Difference]: Without dead ends: 273 [2018-07-23 13:41:49,491 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:41:49,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-07-23 13:41:49,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-07-23 13:41:49,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-07-23 13:41:49,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 274 transitions. [2018-07-23 13:41:49,495 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 274 transitions. Word has length 270 [2018-07-23 13:41:49,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:49,495 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 274 transitions. [2018-07-23 13:41:49,495 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:41:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 274 transitions. [2018-07-23 13:41:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-07-23 13:41:49,497 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:49,497 INFO L357 BasicCegarLoop]: trace histogram [134, 133, 1, 1, 1, 1, 1] [2018-07-23 13:41:49,497 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:49,497 INFO L82 PathProgramCache]: Analyzing trace with hash 2028756647, now seen corresponding path program 133 times [2018-07-23 13:41:49,497 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:50,248 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:50,249 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:50,249 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:41:50,249 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:50,249 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 13:41:50,250 INFO L185 omatonBuilderFactory]: Interpolants [85267#false, 85266#true, 85269#(<= ULTIMATE.start_main_~i~5 1), 85268#(<= ULTIMATE.start_main_~i~5 0), 85271#(<= ULTIMATE.start_main_~i~5 3), 85270#(<= ULTIMATE.start_main_~i~5 2), 85273#(<= ULTIMATE.start_main_~i~5 5), 85272#(<= ULTIMATE.start_main_~i~5 4), 85275#(<= ULTIMATE.start_main_~i~5 7), 85274#(<= ULTIMATE.start_main_~i~5 6), 85277#(<= ULTIMATE.start_main_~i~5 9), 85276#(<= ULTIMATE.start_main_~i~5 8), 85279#(<= ULTIMATE.start_main_~i~5 11), 85278#(<= ULTIMATE.start_main_~i~5 10), 85281#(<= ULTIMATE.start_main_~i~5 13), 85280#(<= ULTIMATE.start_main_~i~5 12), 85283#(<= ULTIMATE.start_main_~i~5 15), 85282#(<= ULTIMATE.start_main_~i~5 14), 85285#(<= ULTIMATE.start_main_~i~5 17), 85284#(<= ULTIMATE.start_main_~i~5 16), 85287#(<= ULTIMATE.start_main_~i~5 19), 85286#(<= ULTIMATE.start_main_~i~5 18), 85289#(<= ULTIMATE.start_main_~i~5 21), 85288#(<= ULTIMATE.start_main_~i~5 20), 85291#(<= ULTIMATE.start_main_~i~5 23), 85290#(<= ULTIMATE.start_main_~i~5 22), 85293#(<= ULTIMATE.start_main_~i~5 25), 85292#(<= ULTIMATE.start_main_~i~5 24), 85295#(<= ULTIMATE.start_main_~i~5 27), 85294#(<= ULTIMATE.start_main_~i~5 26), 85297#(<= ULTIMATE.start_main_~i~5 29), 85296#(<= ULTIMATE.start_main_~i~5 28), 85299#(<= ULTIMATE.start_main_~i~5 31), 85298#(<= ULTIMATE.start_main_~i~5 30), 85301#(<= ULTIMATE.start_main_~i~5 33), 85300#(<= ULTIMATE.start_main_~i~5 32), 85303#(<= ULTIMATE.start_main_~i~5 35), 85302#(<= ULTIMATE.start_main_~i~5 34), 85305#(<= ULTIMATE.start_main_~i~5 37), 85304#(<= ULTIMATE.start_main_~i~5 36), 85307#(<= ULTIMATE.start_main_~i~5 39), 85306#(<= ULTIMATE.start_main_~i~5 38), 85309#(<= ULTIMATE.start_main_~i~5 41), 85308#(<= ULTIMATE.start_main_~i~5 40), 85311#(<= ULTIMATE.start_main_~i~5 43), 85310#(<= ULTIMATE.start_main_~i~5 42), 85313#(<= ULTIMATE.start_main_~i~5 45), 85312#(<= ULTIMATE.start_main_~i~5 44), 85315#(<= ULTIMATE.start_main_~i~5 47), 85314#(<= ULTIMATE.start_main_~i~5 46), 85317#(<= ULTIMATE.start_main_~i~5 49), 85316#(<= ULTIMATE.start_main_~i~5 48), 85319#(<= ULTIMATE.start_main_~i~5 51), 85318#(<= ULTIMATE.start_main_~i~5 50), 85321#(<= ULTIMATE.start_main_~i~5 53), 85320#(<= ULTIMATE.start_main_~i~5 52), 85323#(<= ULTIMATE.start_main_~i~5 55), 85322#(<= ULTIMATE.start_main_~i~5 54), 85325#(<= ULTIMATE.start_main_~i~5 57), 85324#(<= ULTIMATE.start_main_~i~5 56), 85327#(<= ULTIMATE.start_main_~i~5 59), 85326#(<= ULTIMATE.start_main_~i~5 58), 85329#(<= ULTIMATE.start_main_~i~5 61), 85328#(<= ULTIMATE.start_main_~i~5 60), 85331#(<= ULTIMATE.start_main_~i~5 63), 85330#(<= ULTIMATE.start_main_~i~5 62), 85333#(<= ULTIMATE.start_main_~i~5 65), 85332#(<= ULTIMATE.start_main_~i~5 64), 85335#(<= ULTIMATE.start_main_~i~5 67), 85334#(<= ULTIMATE.start_main_~i~5 66), 85337#(<= ULTIMATE.start_main_~i~5 69), 85336#(<= ULTIMATE.start_main_~i~5 68), 85339#(<= ULTIMATE.start_main_~i~5 71), 85338#(<= ULTIMATE.start_main_~i~5 70), 85341#(<= ULTIMATE.start_main_~i~5 73), 85340#(<= ULTIMATE.start_main_~i~5 72), 85343#(<= ULTIMATE.start_main_~i~5 75), 85342#(<= ULTIMATE.start_main_~i~5 74), 85345#(<= ULTIMATE.start_main_~i~5 77), 85344#(<= ULTIMATE.start_main_~i~5 76), 85347#(<= ULTIMATE.start_main_~i~5 79), 85346#(<= ULTIMATE.start_main_~i~5 78), 85349#(<= ULTIMATE.start_main_~i~5 81), 85348#(<= ULTIMATE.start_main_~i~5 80), 85351#(<= ULTIMATE.start_main_~i~5 83), 85350#(<= ULTIMATE.start_main_~i~5 82), 85353#(<= ULTIMATE.start_main_~i~5 85), 85352#(<= ULTIMATE.start_main_~i~5 84), 85355#(<= ULTIMATE.start_main_~i~5 87), 85354#(<= ULTIMATE.start_main_~i~5 86), 85357#(<= ULTIMATE.start_main_~i~5 89), 85356#(<= ULTIMATE.start_main_~i~5 88), 85359#(<= ULTIMATE.start_main_~i~5 91), 85358#(<= ULTIMATE.start_main_~i~5 90), 85361#(<= ULTIMATE.start_main_~i~5 93), 85360#(<= ULTIMATE.start_main_~i~5 92), 85363#(<= ULTIMATE.start_main_~i~5 95), 85362#(<= ULTIMATE.start_main_~i~5 94), 85365#(<= ULTIMATE.start_main_~i~5 97), 85364#(<= ULTIMATE.start_main_~i~5 96), 85367#(<= ULTIMATE.start_main_~i~5 99), 85366#(<= ULTIMATE.start_main_~i~5 98), 85369#(<= ULTIMATE.start_main_~i~5 101), 85368#(<= ULTIMATE.start_main_~i~5 100), 85371#(<= ULTIMATE.start_main_~i~5 103), 85370#(<= ULTIMATE.start_main_~i~5 102), 85373#(<= ULTIMATE.start_main_~i~5 105), 85372#(<= ULTIMATE.start_main_~i~5 104), 85375#(<= ULTIMATE.start_main_~i~5 107), 85374#(<= ULTIMATE.start_main_~i~5 106), 85377#(<= ULTIMATE.start_main_~i~5 109), 85376#(<= ULTIMATE.start_main_~i~5 108), 85379#(<= ULTIMATE.start_main_~i~5 111), 85378#(<= ULTIMATE.start_main_~i~5 110), 85381#(<= ULTIMATE.start_main_~i~5 113), 85380#(<= ULTIMATE.start_main_~i~5 112), 85383#(<= ULTIMATE.start_main_~i~5 115), 85382#(<= ULTIMATE.start_main_~i~5 114), 85385#(<= ULTIMATE.start_main_~i~5 117), 85384#(<= ULTIMATE.start_main_~i~5 116), 85387#(<= ULTIMATE.start_main_~i~5 119), 85386#(<= ULTIMATE.start_main_~i~5 118), 85389#(<= ULTIMATE.start_main_~i~5 121), 85388#(<= ULTIMATE.start_main_~i~5 120), 85391#(<= ULTIMATE.start_main_~i~5 123), 85390#(<= ULTIMATE.start_main_~i~5 122), 85393#(<= ULTIMATE.start_main_~i~5 125), 85392#(<= ULTIMATE.start_main_~i~5 124), 85395#(<= ULTIMATE.start_main_~i~5 127), 85394#(<= ULTIMATE.start_main_~i~5 126), 85397#(<= ULTIMATE.start_main_~i~5 129), 85396#(<= ULTIMATE.start_main_~i~5 128), 85399#(<= ULTIMATE.start_main_~i~5 131), 85398#(<= ULTIMATE.start_main_~i~5 130), 85401#(<= ULTIMATE.start_main_~i~5 133), 85400#(<= ULTIMATE.start_main_~i~5 132)] [2018-07-23 13:41:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:50,251 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:41:50,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:41:50,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:41:50,253 INFO L87 Difference]: Start difference. First operand 273 states and 274 transitions. Second operand 136 states. [2018-07-23 13:41:50,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:50,765 INFO L93 Difference]: Finished difference Result 279 states and 281 transitions. [2018-07-23 13:41:50,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:41:50,765 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 272 [2018-07-23 13:41:50,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:50,766 INFO L225 Difference]: With dead ends: 279 [2018-07-23 13:41:50,766 INFO L226 Difference]: Without dead ends: 275 [2018-07-23 13:41:50,767 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:41:50,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-07-23 13:41:50,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2018-07-23 13:41:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-07-23 13:41:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 276 transitions. [2018-07-23 13:41:50,770 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 276 transitions. Word has length 272 [2018-07-23 13:41:50,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:50,771 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 276 transitions. [2018-07-23 13:41:50,771 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:41:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 276 transitions. [2018-07-23 13:41:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-07-23 13:41:50,771 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:50,772 INFO L357 BasicCegarLoop]: trace histogram [135, 134, 1, 1, 1, 1, 1] [2018-07-23 13:41:50,772 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:50,772 INFO L82 PathProgramCache]: Analyzing trace with hash -363572829, now seen corresponding path program 134 times [2018-07-23 13:41:50,772 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:51,437 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,437 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:51,437 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:41:51,437 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:51,438 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 13:41:51,438 INFO L185 omatonBuilderFactory]: Interpolants [86529#(<= ULTIMATE.start_main_~i~5 17), 86528#(<= ULTIMATE.start_main_~i~5 16), 86531#(<= ULTIMATE.start_main_~i~5 19), 86530#(<= ULTIMATE.start_main_~i~5 18), 86533#(<= ULTIMATE.start_main_~i~5 21), 86532#(<= ULTIMATE.start_main_~i~5 20), 86535#(<= ULTIMATE.start_main_~i~5 23), 86534#(<= ULTIMATE.start_main_~i~5 22), 86537#(<= ULTIMATE.start_main_~i~5 25), 86536#(<= ULTIMATE.start_main_~i~5 24), 86539#(<= ULTIMATE.start_main_~i~5 27), 86538#(<= ULTIMATE.start_main_~i~5 26), 86541#(<= ULTIMATE.start_main_~i~5 29), 86540#(<= ULTIMATE.start_main_~i~5 28), 86543#(<= ULTIMATE.start_main_~i~5 31), 86542#(<= ULTIMATE.start_main_~i~5 30), 86545#(<= ULTIMATE.start_main_~i~5 33), 86544#(<= ULTIMATE.start_main_~i~5 32), 86547#(<= ULTIMATE.start_main_~i~5 35), 86546#(<= ULTIMATE.start_main_~i~5 34), 86549#(<= ULTIMATE.start_main_~i~5 37), 86548#(<= ULTIMATE.start_main_~i~5 36), 86551#(<= ULTIMATE.start_main_~i~5 39), 86550#(<= ULTIMATE.start_main_~i~5 38), 86553#(<= ULTIMATE.start_main_~i~5 41), 86552#(<= ULTIMATE.start_main_~i~5 40), 86555#(<= ULTIMATE.start_main_~i~5 43), 86554#(<= ULTIMATE.start_main_~i~5 42), 86557#(<= ULTIMATE.start_main_~i~5 45), 86556#(<= ULTIMATE.start_main_~i~5 44), 86559#(<= ULTIMATE.start_main_~i~5 47), 86558#(<= ULTIMATE.start_main_~i~5 46), 86561#(<= ULTIMATE.start_main_~i~5 49), 86560#(<= ULTIMATE.start_main_~i~5 48), 86563#(<= ULTIMATE.start_main_~i~5 51), 86562#(<= ULTIMATE.start_main_~i~5 50), 86565#(<= ULTIMATE.start_main_~i~5 53), 86564#(<= ULTIMATE.start_main_~i~5 52), 86567#(<= ULTIMATE.start_main_~i~5 55), 86566#(<= ULTIMATE.start_main_~i~5 54), 86569#(<= ULTIMATE.start_main_~i~5 57), 86568#(<= ULTIMATE.start_main_~i~5 56), 86571#(<= ULTIMATE.start_main_~i~5 59), 86570#(<= ULTIMATE.start_main_~i~5 58), 86573#(<= ULTIMATE.start_main_~i~5 61), 86572#(<= ULTIMATE.start_main_~i~5 60), 86575#(<= ULTIMATE.start_main_~i~5 63), 86574#(<= ULTIMATE.start_main_~i~5 62), 86577#(<= ULTIMATE.start_main_~i~5 65), 86576#(<= ULTIMATE.start_main_~i~5 64), 86579#(<= ULTIMATE.start_main_~i~5 67), 86578#(<= ULTIMATE.start_main_~i~5 66), 86581#(<= ULTIMATE.start_main_~i~5 69), 86580#(<= ULTIMATE.start_main_~i~5 68), 86583#(<= ULTIMATE.start_main_~i~5 71), 86582#(<= ULTIMATE.start_main_~i~5 70), 86585#(<= ULTIMATE.start_main_~i~5 73), 86584#(<= ULTIMATE.start_main_~i~5 72), 86587#(<= ULTIMATE.start_main_~i~5 75), 86586#(<= ULTIMATE.start_main_~i~5 74), 86589#(<= ULTIMATE.start_main_~i~5 77), 86588#(<= ULTIMATE.start_main_~i~5 76), 86591#(<= ULTIMATE.start_main_~i~5 79), 86590#(<= ULTIMATE.start_main_~i~5 78), 86593#(<= ULTIMATE.start_main_~i~5 81), 86592#(<= ULTIMATE.start_main_~i~5 80), 86595#(<= ULTIMATE.start_main_~i~5 83), 86594#(<= ULTIMATE.start_main_~i~5 82), 86597#(<= ULTIMATE.start_main_~i~5 85), 86596#(<= ULTIMATE.start_main_~i~5 84), 86599#(<= ULTIMATE.start_main_~i~5 87), 86598#(<= ULTIMATE.start_main_~i~5 86), 86601#(<= ULTIMATE.start_main_~i~5 89), 86600#(<= ULTIMATE.start_main_~i~5 88), 86603#(<= ULTIMATE.start_main_~i~5 91), 86602#(<= ULTIMATE.start_main_~i~5 90), 86605#(<= ULTIMATE.start_main_~i~5 93), 86604#(<= ULTIMATE.start_main_~i~5 92), 86607#(<= ULTIMATE.start_main_~i~5 95), 86606#(<= ULTIMATE.start_main_~i~5 94), 86609#(<= ULTIMATE.start_main_~i~5 97), 86608#(<= ULTIMATE.start_main_~i~5 96), 86611#(<= ULTIMATE.start_main_~i~5 99), 86610#(<= ULTIMATE.start_main_~i~5 98), 86613#(<= ULTIMATE.start_main_~i~5 101), 86612#(<= ULTIMATE.start_main_~i~5 100), 86615#(<= ULTIMATE.start_main_~i~5 103), 86614#(<= ULTIMATE.start_main_~i~5 102), 86617#(<= ULTIMATE.start_main_~i~5 105), 86616#(<= ULTIMATE.start_main_~i~5 104), 86619#(<= ULTIMATE.start_main_~i~5 107), 86618#(<= ULTIMATE.start_main_~i~5 106), 86621#(<= ULTIMATE.start_main_~i~5 109), 86620#(<= ULTIMATE.start_main_~i~5 108), 86623#(<= ULTIMATE.start_main_~i~5 111), 86622#(<= ULTIMATE.start_main_~i~5 110), 86625#(<= ULTIMATE.start_main_~i~5 113), 86624#(<= ULTIMATE.start_main_~i~5 112), 86627#(<= ULTIMATE.start_main_~i~5 115), 86626#(<= ULTIMATE.start_main_~i~5 114), 86629#(<= ULTIMATE.start_main_~i~5 117), 86628#(<= ULTIMATE.start_main_~i~5 116), 86631#(<= ULTIMATE.start_main_~i~5 119), 86630#(<= ULTIMATE.start_main_~i~5 118), 86633#(<= ULTIMATE.start_main_~i~5 121), 86632#(<= ULTIMATE.start_main_~i~5 120), 86635#(<= ULTIMATE.start_main_~i~5 123), 86634#(<= ULTIMATE.start_main_~i~5 122), 86637#(<= ULTIMATE.start_main_~i~5 125), 86636#(<= ULTIMATE.start_main_~i~5 124), 86639#(<= ULTIMATE.start_main_~i~5 127), 86638#(<= ULTIMATE.start_main_~i~5 126), 86641#(<= ULTIMATE.start_main_~i~5 129), 86640#(<= ULTIMATE.start_main_~i~5 128), 86643#(<= ULTIMATE.start_main_~i~5 131), 86642#(<= ULTIMATE.start_main_~i~5 130), 86645#(<= ULTIMATE.start_main_~i~5 133), 86644#(<= ULTIMATE.start_main_~i~5 132), 86646#(<= ULTIMATE.start_main_~i~5 134), 86511#false, 86510#true, 86513#(<= ULTIMATE.start_main_~i~5 1), 86512#(<= ULTIMATE.start_main_~i~5 0), 86515#(<= ULTIMATE.start_main_~i~5 3), 86514#(<= ULTIMATE.start_main_~i~5 2), 86517#(<= ULTIMATE.start_main_~i~5 5), 86516#(<= ULTIMATE.start_main_~i~5 4), 86519#(<= ULTIMATE.start_main_~i~5 7), 86518#(<= ULTIMATE.start_main_~i~5 6), 86521#(<= ULTIMATE.start_main_~i~5 9), 86520#(<= ULTIMATE.start_main_~i~5 8), 86523#(<= ULTIMATE.start_main_~i~5 11), 86522#(<= ULTIMATE.start_main_~i~5 10), 86525#(<= ULTIMATE.start_main_~i~5 13), 86524#(<= ULTIMATE.start_main_~i~5 12), 86527#(<= ULTIMATE.start_main_~i~5 15), 86526#(<= ULTIMATE.start_main_~i~5 14)] [2018-07-23 13:41:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,439 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:41:51,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:41:51,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:41:51,441 INFO L87 Difference]: Start difference. First operand 275 states and 276 transitions. Second operand 137 states. [2018-07-23 13:41:51,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:51,921 INFO L93 Difference]: Finished difference Result 281 states and 283 transitions. [2018-07-23 13:41:51,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:41:51,921 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 274 [2018-07-23 13:41:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:51,922 INFO L225 Difference]: With dead ends: 281 [2018-07-23 13:41:51,922 INFO L226 Difference]: Without dead ends: 277 [2018-07-23 13:41:51,923 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 13:41:51,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-07-23 13:41:51,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-07-23 13:41:51,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-07-23 13:41:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 278 transitions. [2018-07-23 13:41:51,927 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 278 transitions. Word has length 274 [2018-07-23 13:41:51,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:51,927 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 278 transitions. [2018-07-23 13:41:51,927 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:41:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 278 transitions. [2018-07-23 13:41:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-07-23 13:41:51,928 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:51,928 INFO L357 BasicCegarLoop]: trace histogram [136, 135, 1, 1, 1, 1, 1] [2018-07-23 13:41:51,928 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:51,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1584695905, now seen corresponding path program 135 times [2018-07-23 13:41:51,928 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,761 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,761 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:41:52,761 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,761 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 13:41:52,762 INFO L185 omatonBuilderFactory]: Interpolants [87809#(<= ULTIMATE.start_main_~i~5 44), 87808#(<= ULTIMATE.start_main_~i~5 43), 87811#(<= ULTIMATE.start_main_~i~5 46), 87810#(<= ULTIMATE.start_main_~i~5 45), 87813#(<= ULTIMATE.start_main_~i~5 48), 87812#(<= ULTIMATE.start_main_~i~5 47), 87815#(<= ULTIMATE.start_main_~i~5 50), 87814#(<= ULTIMATE.start_main_~i~5 49), 87817#(<= ULTIMATE.start_main_~i~5 52), 87816#(<= ULTIMATE.start_main_~i~5 51), 87819#(<= ULTIMATE.start_main_~i~5 54), 87818#(<= ULTIMATE.start_main_~i~5 53), 87821#(<= ULTIMATE.start_main_~i~5 56), 87820#(<= ULTIMATE.start_main_~i~5 55), 87823#(<= ULTIMATE.start_main_~i~5 58), 87822#(<= ULTIMATE.start_main_~i~5 57), 87825#(<= ULTIMATE.start_main_~i~5 60), 87824#(<= ULTIMATE.start_main_~i~5 59), 87827#(<= ULTIMATE.start_main_~i~5 62), 87826#(<= ULTIMATE.start_main_~i~5 61), 87829#(<= ULTIMATE.start_main_~i~5 64), 87828#(<= ULTIMATE.start_main_~i~5 63), 87831#(<= ULTIMATE.start_main_~i~5 66), 87830#(<= ULTIMATE.start_main_~i~5 65), 87833#(<= ULTIMATE.start_main_~i~5 68), 87832#(<= ULTIMATE.start_main_~i~5 67), 87835#(<= ULTIMATE.start_main_~i~5 70), 87834#(<= ULTIMATE.start_main_~i~5 69), 87837#(<= ULTIMATE.start_main_~i~5 72), 87836#(<= ULTIMATE.start_main_~i~5 71), 87839#(<= ULTIMATE.start_main_~i~5 74), 87838#(<= ULTIMATE.start_main_~i~5 73), 87841#(<= ULTIMATE.start_main_~i~5 76), 87840#(<= ULTIMATE.start_main_~i~5 75), 87843#(<= ULTIMATE.start_main_~i~5 78), 87842#(<= ULTIMATE.start_main_~i~5 77), 87845#(<= ULTIMATE.start_main_~i~5 80), 87844#(<= ULTIMATE.start_main_~i~5 79), 87847#(<= ULTIMATE.start_main_~i~5 82), 87846#(<= ULTIMATE.start_main_~i~5 81), 87849#(<= ULTIMATE.start_main_~i~5 84), 87848#(<= ULTIMATE.start_main_~i~5 83), 87851#(<= ULTIMATE.start_main_~i~5 86), 87850#(<= ULTIMATE.start_main_~i~5 85), 87853#(<= ULTIMATE.start_main_~i~5 88), 87852#(<= ULTIMATE.start_main_~i~5 87), 87855#(<= ULTIMATE.start_main_~i~5 90), 87854#(<= ULTIMATE.start_main_~i~5 89), 87857#(<= ULTIMATE.start_main_~i~5 92), 87856#(<= ULTIMATE.start_main_~i~5 91), 87859#(<= ULTIMATE.start_main_~i~5 94), 87858#(<= ULTIMATE.start_main_~i~5 93), 87861#(<= ULTIMATE.start_main_~i~5 96), 87860#(<= ULTIMATE.start_main_~i~5 95), 87863#(<= ULTIMATE.start_main_~i~5 98), 87862#(<= ULTIMATE.start_main_~i~5 97), 87865#(<= ULTIMATE.start_main_~i~5 100), 87864#(<= ULTIMATE.start_main_~i~5 99), 87867#(<= ULTIMATE.start_main_~i~5 102), 87866#(<= ULTIMATE.start_main_~i~5 101), 87869#(<= ULTIMATE.start_main_~i~5 104), 87868#(<= ULTIMATE.start_main_~i~5 103), 87871#(<= ULTIMATE.start_main_~i~5 106), 87870#(<= ULTIMATE.start_main_~i~5 105), 87873#(<= ULTIMATE.start_main_~i~5 108), 87872#(<= ULTIMATE.start_main_~i~5 107), 87875#(<= ULTIMATE.start_main_~i~5 110), 87874#(<= ULTIMATE.start_main_~i~5 109), 87877#(<= ULTIMATE.start_main_~i~5 112), 87876#(<= ULTIMATE.start_main_~i~5 111), 87879#(<= ULTIMATE.start_main_~i~5 114), 87878#(<= ULTIMATE.start_main_~i~5 113), 87881#(<= ULTIMATE.start_main_~i~5 116), 87880#(<= ULTIMATE.start_main_~i~5 115), 87883#(<= ULTIMATE.start_main_~i~5 118), 87882#(<= ULTIMATE.start_main_~i~5 117), 87885#(<= ULTIMATE.start_main_~i~5 120), 87884#(<= ULTIMATE.start_main_~i~5 119), 87887#(<= ULTIMATE.start_main_~i~5 122), 87886#(<= ULTIMATE.start_main_~i~5 121), 87889#(<= ULTIMATE.start_main_~i~5 124), 87888#(<= ULTIMATE.start_main_~i~5 123), 87891#(<= ULTIMATE.start_main_~i~5 126), 87890#(<= ULTIMATE.start_main_~i~5 125), 87893#(<= ULTIMATE.start_main_~i~5 128), 87892#(<= ULTIMATE.start_main_~i~5 127), 87895#(<= ULTIMATE.start_main_~i~5 130), 87894#(<= ULTIMATE.start_main_~i~5 129), 87897#(<= ULTIMATE.start_main_~i~5 132), 87896#(<= ULTIMATE.start_main_~i~5 131), 87899#(<= ULTIMATE.start_main_~i~5 134), 87898#(<= ULTIMATE.start_main_~i~5 133), 87900#(<= ULTIMATE.start_main_~i~5 135), 87763#true, 87765#(<= ULTIMATE.start_main_~i~5 0), 87764#false, 87767#(<= ULTIMATE.start_main_~i~5 2), 87766#(<= ULTIMATE.start_main_~i~5 1), 87769#(<= ULTIMATE.start_main_~i~5 4), 87768#(<= ULTIMATE.start_main_~i~5 3), 87771#(<= ULTIMATE.start_main_~i~5 6), 87770#(<= ULTIMATE.start_main_~i~5 5), 87773#(<= ULTIMATE.start_main_~i~5 8), 87772#(<= ULTIMATE.start_main_~i~5 7), 87775#(<= ULTIMATE.start_main_~i~5 10), 87774#(<= ULTIMATE.start_main_~i~5 9), 87777#(<= ULTIMATE.start_main_~i~5 12), 87776#(<= ULTIMATE.start_main_~i~5 11), 87779#(<= ULTIMATE.start_main_~i~5 14), 87778#(<= ULTIMATE.start_main_~i~5 13), 87781#(<= ULTIMATE.start_main_~i~5 16), 87780#(<= ULTIMATE.start_main_~i~5 15), 87783#(<= ULTIMATE.start_main_~i~5 18), 87782#(<= ULTIMATE.start_main_~i~5 17), 87785#(<= ULTIMATE.start_main_~i~5 20), 87784#(<= ULTIMATE.start_main_~i~5 19), 87787#(<= ULTIMATE.start_main_~i~5 22), 87786#(<= ULTIMATE.start_main_~i~5 21), 87789#(<= ULTIMATE.start_main_~i~5 24), 87788#(<= ULTIMATE.start_main_~i~5 23), 87791#(<= ULTIMATE.start_main_~i~5 26), 87790#(<= ULTIMATE.start_main_~i~5 25), 87793#(<= ULTIMATE.start_main_~i~5 28), 87792#(<= ULTIMATE.start_main_~i~5 27), 87795#(<= ULTIMATE.start_main_~i~5 30), 87794#(<= ULTIMATE.start_main_~i~5 29), 87797#(<= ULTIMATE.start_main_~i~5 32), 87796#(<= ULTIMATE.start_main_~i~5 31), 87799#(<= ULTIMATE.start_main_~i~5 34), 87798#(<= ULTIMATE.start_main_~i~5 33), 87801#(<= ULTIMATE.start_main_~i~5 36), 87800#(<= ULTIMATE.start_main_~i~5 35), 87803#(<= ULTIMATE.start_main_~i~5 38), 87802#(<= ULTIMATE.start_main_~i~5 37), 87805#(<= ULTIMATE.start_main_~i~5 40), 87804#(<= ULTIMATE.start_main_~i~5 39), 87807#(<= ULTIMATE.start_main_~i~5 42), 87806#(<= ULTIMATE.start_main_~i~5 41)] [2018-07-23 13:41:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,763 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:41:52,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:41:52,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:41:52,766 INFO L87 Difference]: Start difference. First operand 277 states and 278 transitions. Second operand 138 states. [2018-07-23 13:41:53,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,174 INFO L93 Difference]: Finished difference Result 283 states and 285 transitions. [2018-07-23 13:41:53,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:41:53,174 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 276 [2018-07-23 13:41:53,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,175 INFO L225 Difference]: With dead ends: 283 [2018-07-23 13:41:53,175 INFO L226 Difference]: Without dead ends: 279 [2018-07-23 13:41:53,176 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:41:53,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-07-23 13:41:53,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-07-23 13:41:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-07-23 13:41:53,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 280 transitions. [2018-07-23 13:41:53,181 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 280 transitions. Word has length 276 [2018-07-23 13:41:53,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:53,181 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 280 transitions. [2018-07-23 13:41:53,181 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:41:53,182 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 280 transitions. [2018-07-23 13:41:53,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-07-23 13:41:53,183 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:53,183 INFO L357 BasicCegarLoop]: trace histogram [137, 136, 1, 1, 1, 1, 1] [2018-07-23 13:41:53,183 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:53,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1737067163, now seen corresponding path program 136 times [2018-07-23 13:41:53,183 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:54,016 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:54,016 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:41:54,016 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:54,017 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 13:41:54,017 INFO L185 omatonBuilderFactory]: Interpolants [89089#(<= ULTIMATE.start_main_~i~5 62), 89088#(<= ULTIMATE.start_main_~i~5 61), 89091#(<= ULTIMATE.start_main_~i~5 64), 89090#(<= ULTIMATE.start_main_~i~5 63), 89093#(<= ULTIMATE.start_main_~i~5 66), 89092#(<= ULTIMATE.start_main_~i~5 65), 89095#(<= ULTIMATE.start_main_~i~5 68), 89094#(<= ULTIMATE.start_main_~i~5 67), 89097#(<= ULTIMATE.start_main_~i~5 70), 89096#(<= ULTIMATE.start_main_~i~5 69), 89099#(<= ULTIMATE.start_main_~i~5 72), 89098#(<= ULTIMATE.start_main_~i~5 71), 89101#(<= ULTIMATE.start_main_~i~5 74), 89100#(<= ULTIMATE.start_main_~i~5 73), 89103#(<= ULTIMATE.start_main_~i~5 76), 89102#(<= ULTIMATE.start_main_~i~5 75), 89105#(<= ULTIMATE.start_main_~i~5 78), 89104#(<= ULTIMATE.start_main_~i~5 77), 89107#(<= ULTIMATE.start_main_~i~5 80), 89106#(<= ULTIMATE.start_main_~i~5 79), 89109#(<= ULTIMATE.start_main_~i~5 82), 89108#(<= ULTIMATE.start_main_~i~5 81), 89111#(<= ULTIMATE.start_main_~i~5 84), 89110#(<= ULTIMATE.start_main_~i~5 83), 89113#(<= ULTIMATE.start_main_~i~5 86), 89112#(<= ULTIMATE.start_main_~i~5 85), 89115#(<= ULTIMATE.start_main_~i~5 88), 89114#(<= ULTIMATE.start_main_~i~5 87), 89117#(<= ULTIMATE.start_main_~i~5 90), 89116#(<= ULTIMATE.start_main_~i~5 89), 89119#(<= ULTIMATE.start_main_~i~5 92), 89118#(<= ULTIMATE.start_main_~i~5 91), 89121#(<= ULTIMATE.start_main_~i~5 94), 89120#(<= ULTIMATE.start_main_~i~5 93), 89123#(<= ULTIMATE.start_main_~i~5 96), 89122#(<= ULTIMATE.start_main_~i~5 95), 89125#(<= ULTIMATE.start_main_~i~5 98), 89124#(<= ULTIMATE.start_main_~i~5 97), 89127#(<= ULTIMATE.start_main_~i~5 100), 89126#(<= ULTIMATE.start_main_~i~5 99), 89129#(<= ULTIMATE.start_main_~i~5 102), 89128#(<= ULTIMATE.start_main_~i~5 101), 89131#(<= ULTIMATE.start_main_~i~5 104), 89130#(<= ULTIMATE.start_main_~i~5 103), 89133#(<= ULTIMATE.start_main_~i~5 106), 89132#(<= ULTIMATE.start_main_~i~5 105), 89135#(<= ULTIMATE.start_main_~i~5 108), 89134#(<= ULTIMATE.start_main_~i~5 107), 89137#(<= ULTIMATE.start_main_~i~5 110), 89136#(<= ULTIMATE.start_main_~i~5 109), 89139#(<= ULTIMATE.start_main_~i~5 112), 89138#(<= ULTIMATE.start_main_~i~5 111), 89141#(<= ULTIMATE.start_main_~i~5 114), 89140#(<= ULTIMATE.start_main_~i~5 113), 89143#(<= ULTIMATE.start_main_~i~5 116), 89142#(<= ULTIMATE.start_main_~i~5 115), 89145#(<= ULTIMATE.start_main_~i~5 118), 89144#(<= ULTIMATE.start_main_~i~5 117), 89147#(<= ULTIMATE.start_main_~i~5 120), 89146#(<= ULTIMATE.start_main_~i~5 119), 89149#(<= ULTIMATE.start_main_~i~5 122), 89148#(<= ULTIMATE.start_main_~i~5 121), 89151#(<= ULTIMATE.start_main_~i~5 124), 89150#(<= ULTIMATE.start_main_~i~5 123), 89153#(<= ULTIMATE.start_main_~i~5 126), 89152#(<= ULTIMATE.start_main_~i~5 125), 89155#(<= ULTIMATE.start_main_~i~5 128), 89154#(<= ULTIMATE.start_main_~i~5 127), 89157#(<= ULTIMATE.start_main_~i~5 130), 89156#(<= ULTIMATE.start_main_~i~5 129), 89159#(<= ULTIMATE.start_main_~i~5 132), 89158#(<= ULTIMATE.start_main_~i~5 131), 89161#(<= ULTIMATE.start_main_~i~5 134), 89160#(<= ULTIMATE.start_main_~i~5 133), 89163#(<= ULTIMATE.start_main_~i~5 136), 89162#(<= ULTIMATE.start_main_~i~5 135), 89025#true, 89027#(<= ULTIMATE.start_main_~i~5 0), 89026#false, 89029#(<= ULTIMATE.start_main_~i~5 2), 89028#(<= ULTIMATE.start_main_~i~5 1), 89031#(<= ULTIMATE.start_main_~i~5 4), 89030#(<= ULTIMATE.start_main_~i~5 3), 89033#(<= ULTIMATE.start_main_~i~5 6), 89032#(<= ULTIMATE.start_main_~i~5 5), 89035#(<= ULTIMATE.start_main_~i~5 8), 89034#(<= ULTIMATE.start_main_~i~5 7), 89037#(<= ULTIMATE.start_main_~i~5 10), 89036#(<= ULTIMATE.start_main_~i~5 9), 89039#(<= ULTIMATE.start_main_~i~5 12), 89038#(<= ULTIMATE.start_main_~i~5 11), 89041#(<= ULTIMATE.start_main_~i~5 14), 89040#(<= ULTIMATE.start_main_~i~5 13), 89043#(<= ULTIMATE.start_main_~i~5 16), 89042#(<= ULTIMATE.start_main_~i~5 15), 89045#(<= ULTIMATE.start_main_~i~5 18), 89044#(<= ULTIMATE.start_main_~i~5 17), 89047#(<= ULTIMATE.start_main_~i~5 20), 89046#(<= ULTIMATE.start_main_~i~5 19), 89049#(<= ULTIMATE.start_main_~i~5 22), 89048#(<= ULTIMATE.start_main_~i~5 21), 89051#(<= ULTIMATE.start_main_~i~5 24), 89050#(<= ULTIMATE.start_main_~i~5 23), 89053#(<= ULTIMATE.start_main_~i~5 26), 89052#(<= ULTIMATE.start_main_~i~5 25), 89055#(<= ULTIMATE.start_main_~i~5 28), 89054#(<= ULTIMATE.start_main_~i~5 27), 89057#(<= ULTIMATE.start_main_~i~5 30), 89056#(<= ULTIMATE.start_main_~i~5 29), 89059#(<= ULTIMATE.start_main_~i~5 32), 89058#(<= ULTIMATE.start_main_~i~5 31), 89061#(<= ULTIMATE.start_main_~i~5 34), 89060#(<= ULTIMATE.start_main_~i~5 33), 89063#(<= ULTIMATE.start_main_~i~5 36), 89062#(<= ULTIMATE.start_main_~i~5 35), 89065#(<= ULTIMATE.start_main_~i~5 38), 89064#(<= ULTIMATE.start_main_~i~5 37), 89067#(<= ULTIMATE.start_main_~i~5 40), 89066#(<= ULTIMATE.start_main_~i~5 39), 89069#(<= ULTIMATE.start_main_~i~5 42), 89068#(<= ULTIMATE.start_main_~i~5 41), 89071#(<= ULTIMATE.start_main_~i~5 44), 89070#(<= ULTIMATE.start_main_~i~5 43), 89073#(<= ULTIMATE.start_main_~i~5 46), 89072#(<= ULTIMATE.start_main_~i~5 45), 89075#(<= ULTIMATE.start_main_~i~5 48), 89074#(<= ULTIMATE.start_main_~i~5 47), 89077#(<= ULTIMATE.start_main_~i~5 50), 89076#(<= ULTIMATE.start_main_~i~5 49), 89079#(<= ULTIMATE.start_main_~i~5 52), 89078#(<= ULTIMATE.start_main_~i~5 51), 89081#(<= ULTIMATE.start_main_~i~5 54), 89080#(<= ULTIMATE.start_main_~i~5 53), 89083#(<= ULTIMATE.start_main_~i~5 56), 89082#(<= ULTIMATE.start_main_~i~5 55), 89085#(<= ULTIMATE.start_main_~i~5 58), 89084#(<= ULTIMATE.start_main_~i~5 57), 89087#(<= ULTIMATE.start_main_~i~5 60), 89086#(<= ULTIMATE.start_main_~i~5 59)] [2018-07-23 13:41:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:54,018 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:41:54,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:41:54,021 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:41:54,021 INFO L87 Difference]: Start difference. First operand 279 states and 280 transitions. Second operand 139 states. [2018-07-23 13:41:54,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:54,260 INFO L93 Difference]: Finished difference Result 285 states and 287 transitions. [2018-07-23 13:41:54,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:41:54,260 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 278 [2018-07-23 13:41:54,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:54,261 INFO L225 Difference]: With dead ends: 285 [2018-07-23 13:41:54,261 INFO L226 Difference]: Without dead ends: 281 [2018-07-23 13:41:54,262 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:41:54,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-07-23 13:41:54,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2018-07-23 13:41:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2018-07-23 13:41:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 282 transitions. [2018-07-23 13:41:54,267 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 282 transitions. Word has length 278 [2018-07-23 13:41:54,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,267 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 282 transitions. [2018-07-23 13:41:54,267 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:41:54,267 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 282 transitions. [2018-07-23 13:41:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-07-23 13:41:54,269 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,269 INFO L357 BasicCegarLoop]: trace histogram [138, 137, 1, 1, 1, 1, 1] [2018-07-23 13:41:54,269 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1504292713, now seen corresponding path program 137 times [2018-07-23 13:41:54,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,076 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:55,076 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:41:55,076 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:55,077 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 13:41:55,077 INFO L185 omatonBuilderFactory]: Interpolants [90369#(<= ULTIMATE.start_main_~i~5 71), 90368#(<= ULTIMATE.start_main_~i~5 70), 90371#(<= ULTIMATE.start_main_~i~5 73), 90370#(<= ULTIMATE.start_main_~i~5 72), 90373#(<= ULTIMATE.start_main_~i~5 75), 90372#(<= ULTIMATE.start_main_~i~5 74), 90375#(<= ULTIMATE.start_main_~i~5 77), 90374#(<= ULTIMATE.start_main_~i~5 76), 90377#(<= ULTIMATE.start_main_~i~5 79), 90376#(<= ULTIMATE.start_main_~i~5 78), 90379#(<= ULTIMATE.start_main_~i~5 81), 90378#(<= ULTIMATE.start_main_~i~5 80), 90381#(<= ULTIMATE.start_main_~i~5 83), 90380#(<= ULTIMATE.start_main_~i~5 82), 90383#(<= ULTIMATE.start_main_~i~5 85), 90382#(<= ULTIMATE.start_main_~i~5 84), 90385#(<= ULTIMATE.start_main_~i~5 87), 90384#(<= ULTIMATE.start_main_~i~5 86), 90387#(<= ULTIMATE.start_main_~i~5 89), 90386#(<= ULTIMATE.start_main_~i~5 88), 90389#(<= ULTIMATE.start_main_~i~5 91), 90388#(<= ULTIMATE.start_main_~i~5 90), 90391#(<= ULTIMATE.start_main_~i~5 93), 90390#(<= ULTIMATE.start_main_~i~5 92), 90393#(<= ULTIMATE.start_main_~i~5 95), 90392#(<= ULTIMATE.start_main_~i~5 94), 90395#(<= ULTIMATE.start_main_~i~5 97), 90394#(<= ULTIMATE.start_main_~i~5 96), 90397#(<= ULTIMATE.start_main_~i~5 99), 90396#(<= ULTIMATE.start_main_~i~5 98), 90399#(<= ULTIMATE.start_main_~i~5 101), 90398#(<= ULTIMATE.start_main_~i~5 100), 90401#(<= ULTIMATE.start_main_~i~5 103), 90400#(<= ULTIMATE.start_main_~i~5 102), 90403#(<= ULTIMATE.start_main_~i~5 105), 90402#(<= ULTIMATE.start_main_~i~5 104), 90405#(<= ULTIMATE.start_main_~i~5 107), 90404#(<= ULTIMATE.start_main_~i~5 106), 90407#(<= ULTIMATE.start_main_~i~5 109), 90406#(<= ULTIMATE.start_main_~i~5 108), 90409#(<= ULTIMATE.start_main_~i~5 111), 90408#(<= ULTIMATE.start_main_~i~5 110), 90411#(<= ULTIMATE.start_main_~i~5 113), 90410#(<= ULTIMATE.start_main_~i~5 112), 90413#(<= ULTIMATE.start_main_~i~5 115), 90412#(<= ULTIMATE.start_main_~i~5 114), 90415#(<= ULTIMATE.start_main_~i~5 117), 90414#(<= ULTIMATE.start_main_~i~5 116), 90417#(<= ULTIMATE.start_main_~i~5 119), 90416#(<= ULTIMATE.start_main_~i~5 118), 90419#(<= ULTIMATE.start_main_~i~5 121), 90418#(<= ULTIMATE.start_main_~i~5 120), 90421#(<= ULTIMATE.start_main_~i~5 123), 90420#(<= ULTIMATE.start_main_~i~5 122), 90423#(<= ULTIMATE.start_main_~i~5 125), 90422#(<= ULTIMATE.start_main_~i~5 124), 90425#(<= ULTIMATE.start_main_~i~5 127), 90424#(<= ULTIMATE.start_main_~i~5 126), 90427#(<= ULTIMATE.start_main_~i~5 129), 90426#(<= ULTIMATE.start_main_~i~5 128), 90429#(<= ULTIMATE.start_main_~i~5 131), 90428#(<= ULTIMATE.start_main_~i~5 130), 90431#(<= ULTIMATE.start_main_~i~5 133), 90430#(<= ULTIMATE.start_main_~i~5 132), 90433#(<= ULTIMATE.start_main_~i~5 135), 90432#(<= ULTIMATE.start_main_~i~5 134), 90435#(<= ULTIMATE.start_main_~i~5 137), 90434#(<= ULTIMATE.start_main_~i~5 136), 90297#false, 90296#true, 90299#(<= ULTIMATE.start_main_~i~5 1), 90298#(<= ULTIMATE.start_main_~i~5 0), 90301#(<= ULTIMATE.start_main_~i~5 3), 90300#(<= ULTIMATE.start_main_~i~5 2), 90303#(<= ULTIMATE.start_main_~i~5 5), 90302#(<= ULTIMATE.start_main_~i~5 4), 90305#(<= ULTIMATE.start_main_~i~5 7), 90304#(<= ULTIMATE.start_main_~i~5 6), 90307#(<= ULTIMATE.start_main_~i~5 9), 90306#(<= ULTIMATE.start_main_~i~5 8), 90309#(<= ULTIMATE.start_main_~i~5 11), 90308#(<= ULTIMATE.start_main_~i~5 10), 90311#(<= ULTIMATE.start_main_~i~5 13), 90310#(<= ULTIMATE.start_main_~i~5 12), 90313#(<= ULTIMATE.start_main_~i~5 15), 90312#(<= ULTIMATE.start_main_~i~5 14), 90315#(<= ULTIMATE.start_main_~i~5 17), 90314#(<= ULTIMATE.start_main_~i~5 16), 90317#(<= ULTIMATE.start_main_~i~5 19), 90316#(<= ULTIMATE.start_main_~i~5 18), 90319#(<= ULTIMATE.start_main_~i~5 21), 90318#(<= ULTIMATE.start_main_~i~5 20), 90321#(<= ULTIMATE.start_main_~i~5 23), 90320#(<= ULTIMATE.start_main_~i~5 22), 90323#(<= ULTIMATE.start_main_~i~5 25), 90322#(<= ULTIMATE.start_main_~i~5 24), 90325#(<= ULTIMATE.start_main_~i~5 27), 90324#(<= ULTIMATE.start_main_~i~5 26), 90327#(<= ULTIMATE.start_main_~i~5 29), 90326#(<= ULTIMATE.start_main_~i~5 28), 90329#(<= ULTIMATE.start_main_~i~5 31), 90328#(<= ULTIMATE.start_main_~i~5 30), 90331#(<= ULTIMATE.start_main_~i~5 33), 90330#(<= ULTIMATE.start_main_~i~5 32), 90333#(<= ULTIMATE.start_main_~i~5 35), 90332#(<= ULTIMATE.start_main_~i~5 34), 90335#(<= ULTIMATE.start_main_~i~5 37), 90334#(<= ULTIMATE.start_main_~i~5 36), 90337#(<= ULTIMATE.start_main_~i~5 39), 90336#(<= ULTIMATE.start_main_~i~5 38), 90339#(<= ULTIMATE.start_main_~i~5 41), 90338#(<= ULTIMATE.start_main_~i~5 40), 90341#(<= ULTIMATE.start_main_~i~5 43), 90340#(<= ULTIMATE.start_main_~i~5 42), 90343#(<= ULTIMATE.start_main_~i~5 45), 90342#(<= ULTIMATE.start_main_~i~5 44), 90345#(<= ULTIMATE.start_main_~i~5 47), 90344#(<= ULTIMATE.start_main_~i~5 46), 90347#(<= ULTIMATE.start_main_~i~5 49), 90346#(<= ULTIMATE.start_main_~i~5 48), 90349#(<= ULTIMATE.start_main_~i~5 51), 90348#(<= ULTIMATE.start_main_~i~5 50), 90351#(<= ULTIMATE.start_main_~i~5 53), 90350#(<= ULTIMATE.start_main_~i~5 52), 90353#(<= ULTIMATE.start_main_~i~5 55), 90352#(<= ULTIMATE.start_main_~i~5 54), 90355#(<= ULTIMATE.start_main_~i~5 57), 90354#(<= ULTIMATE.start_main_~i~5 56), 90357#(<= ULTIMATE.start_main_~i~5 59), 90356#(<= ULTIMATE.start_main_~i~5 58), 90359#(<= ULTIMATE.start_main_~i~5 61), 90358#(<= ULTIMATE.start_main_~i~5 60), 90361#(<= ULTIMATE.start_main_~i~5 63), 90360#(<= ULTIMATE.start_main_~i~5 62), 90363#(<= ULTIMATE.start_main_~i~5 65), 90362#(<= ULTIMATE.start_main_~i~5 64), 90365#(<= ULTIMATE.start_main_~i~5 67), 90364#(<= ULTIMATE.start_main_~i~5 66), 90367#(<= ULTIMATE.start_main_~i~5 69), 90366#(<= ULTIMATE.start_main_~i~5 68)] [2018-07-23 13:41:55,078 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,078 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:41:55,079 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:41:55,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:41:55,080 INFO L87 Difference]: Start difference. First operand 281 states and 282 transitions. Second operand 140 states. [2018-07-23 13:41:55,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:55,245 INFO L93 Difference]: Finished difference Result 287 states and 289 transitions. [2018-07-23 13:41:55,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:41:55,245 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 280 [2018-07-23 13:41:55,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:55,245 INFO L225 Difference]: With dead ends: 287 [2018-07-23 13:41:55,246 INFO L226 Difference]: Without dead ends: 283 [2018-07-23 13:41:55,246 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:41:55,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-07-23 13:41:55,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-07-23 13:41:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-07-23 13:41:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 284 transitions. [2018-07-23 13:41:55,251 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 284 transitions. Word has length 280 [2018-07-23 13:41:55,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:55,251 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 284 transitions. [2018-07-23 13:41:55,251 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:41:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 284 transitions. [2018-07-23 13:41:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-07-23 13:41:55,252 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:55,252 INFO L357 BasicCegarLoop]: trace histogram [139, 138, 1, 1, 1, 1, 1] [2018-07-23 13:41:55,252 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:55,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1695123347, now seen corresponding path program 138 times [2018-07-23 13:41:55,253 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,962 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:55,962 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:41:55,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:55,963 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 13:41:55,963 INFO L185 omatonBuilderFactory]: Interpolants [91649#(<= ULTIMATE.start_main_~i~5 71), 91648#(<= ULTIMATE.start_main_~i~5 70), 91651#(<= ULTIMATE.start_main_~i~5 73), 91650#(<= ULTIMATE.start_main_~i~5 72), 91653#(<= ULTIMATE.start_main_~i~5 75), 91652#(<= ULTIMATE.start_main_~i~5 74), 91655#(<= ULTIMATE.start_main_~i~5 77), 91654#(<= ULTIMATE.start_main_~i~5 76), 91657#(<= ULTIMATE.start_main_~i~5 79), 91656#(<= ULTIMATE.start_main_~i~5 78), 91659#(<= ULTIMATE.start_main_~i~5 81), 91658#(<= ULTIMATE.start_main_~i~5 80), 91661#(<= ULTIMATE.start_main_~i~5 83), 91660#(<= ULTIMATE.start_main_~i~5 82), 91663#(<= ULTIMATE.start_main_~i~5 85), 91662#(<= ULTIMATE.start_main_~i~5 84), 91665#(<= ULTIMATE.start_main_~i~5 87), 91664#(<= ULTIMATE.start_main_~i~5 86), 91667#(<= ULTIMATE.start_main_~i~5 89), 91666#(<= ULTIMATE.start_main_~i~5 88), 91669#(<= ULTIMATE.start_main_~i~5 91), 91668#(<= ULTIMATE.start_main_~i~5 90), 91671#(<= ULTIMATE.start_main_~i~5 93), 91670#(<= ULTIMATE.start_main_~i~5 92), 91673#(<= ULTIMATE.start_main_~i~5 95), 91672#(<= ULTIMATE.start_main_~i~5 94), 91675#(<= ULTIMATE.start_main_~i~5 97), 91674#(<= ULTIMATE.start_main_~i~5 96), 91677#(<= ULTIMATE.start_main_~i~5 99), 91676#(<= ULTIMATE.start_main_~i~5 98), 91679#(<= ULTIMATE.start_main_~i~5 101), 91678#(<= ULTIMATE.start_main_~i~5 100), 91681#(<= ULTIMATE.start_main_~i~5 103), 91680#(<= ULTIMATE.start_main_~i~5 102), 91683#(<= ULTIMATE.start_main_~i~5 105), 91682#(<= ULTIMATE.start_main_~i~5 104), 91685#(<= ULTIMATE.start_main_~i~5 107), 91684#(<= ULTIMATE.start_main_~i~5 106), 91687#(<= ULTIMATE.start_main_~i~5 109), 91686#(<= ULTIMATE.start_main_~i~5 108), 91689#(<= ULTIMATE.start_main_~i~5 111), 91688#(<= ULTIMATE.start_main_~i~5 110), 91691#(<= ULTIMATE.start_main_~i~5 113), 91690#(<= ULTIMATE.start_main_~i~5 112), 91693#(<= ULTIMATE.start_main_~i~5 115), 91692#(<= ULTIMATE.start_main_~i~5 114), 91695#(<= ULTIMATE.start_main_~i~5 117), 91694#(<= ULTIMATE.start_main_~i~5 116), 91697#(<= ULTIMATE.start_main_~i~5 119), 91696#(<= ULTIMATE.start_main_~i~5 118), 91699#(<= ULTIMATE.start_main_~i~5 121), 91698#(<= ULTIMATE.start_main_~i~5 120), 91701#(<= ULTIMATE.start_main_~i~5 123), 91700#(<= ULTIMATE.start_main_~i~5 122), 91703#(<= ULTIMATE.start_main_~i~5 125), 91702#(<= ULTIMATE.start_main_~i~5 124), 91705#(<= ULTIMATE.start_main_~i~5 127), 91704#(<= ULTIMATE.start_main_~i~5 126), 91707#(<= ULTIMATE.start_main_~i~5 129), 91706#(<= ULTIMATE.start_main_~i~5 128), 91709#(<= ULTIMATE.start_main_~i~5 131), 91708#(<= ULTIMATE.start_main_~i~5 130), 91711#(<= ULTIMATE.start_main_~i~5 133), 91710#(<= ULTIMATE.start_main_~i~5 132), 91713#(<= ULTIMATE.start_main_~i~5 135), 91712#(<= ULTIMATE.start_main_~i~5 134), 91715#(<= ULTIMATE.start_main_~i~5 137), 91714#(<= ULTIMATE.start_main_~i~5 136), 91716#(<= ULTIMATE.start_main_~i~5 138), 91577#false, 91576#true, 91579#(<= ULTIMATE.start_main_~i~5 1), 91578#(<= ULTIMATE.start_main_~i~5 0), 91581#(<= ULTIMATE.start_main_~i~5 3), 91580#(<= ULTIMATE.start_main_~i~5 2), 91583#(<= ULTIMATE.start_main_~i~5 5), 91582#(<= ULTIMATE.start_main_~i~5 4), 91585#(<= ULTIMATE.start_main_~i~5 7), 91584#(<= ULTIMATE.start_main_~i~5 6), 91587#(<= ULTIMATE.start_main_~i~5 9), 91586#(<= ULTIMATE.start_main_~i~5 8), 91589#(<= ULTIMATE.start_main_~i~5 11), 91588#(<= ULTIMATE.start_main_~i~5 10), 91591#(<= ULTIMATE.start_main_~i~5 13), 91590#(<= ULTIMATE.start_main_~i~5 12), 91593#(<= ULTIMATE.start_main_~i~5 15), 91592#(<= ULTIMATE.start_main_~i~5 14), 91595#(<= ULTIMATE.start_main_~i~5 17), 91594#(<= ULTIMATE.start_main_~i~5 16), 91597#(<= ULTIMATE.start_main_~i~5 19), 91596#(<= ULTIMATE.start_main_~i~5 18), 91599#(<= ULTIMATE.start_main_~i~5 21), 91598#(<= ULTIMATE.start_main_~i~5 20), 91601#(<= ULTIMATE.start_main_~i~5 23), 91600#(<= ULTIMATE.start_main_~i~5 22), 91603#(<= ULTIMATE.start_main_~i~5 25), 91602#(<= ULTIMATE.start_main_~i~5 24), 91605#(<= ULTIMATE.start_main_~i~5 27), 91604#(<= ULTIMATE.start_main_~i~5 26), 91607#(<= ULTIMATE.start_main_~i~5 29), 91606#(<= ULTIMATE.start_main_~i~5 28), 91609#(<= ULTIMATE.start_main_~i~5 31), 91608#(<= ULTIMATE.start_main_~i~5 30), 91611#(<= ULTIMATE.start_main_~i~5 33), 91610#(<= ULTIMATE.start_main_~i~5 32), 91613#(<= ULTIMATE.start_main_~i~5 35), 91612#(<= ULTIMATE.start_main_~i~5 34), 91615#(<= ULTIMATE.start_main_~i~5 37), 91614#(<= ULTIMATE.start_main_~i~5 36), 91617#(<= ULTIMATE.start_main_~i~5 39), 91616#(<= ULTIMATE.start_main_~i~5 38), 91619#(<= ULTIMATE.start_main_~i~5 41), 91618#(<= ULTIMATE.start_main_~i~5 40), 91621#(<= ULTIMATE.start_main_~i~5 43), 91620#(<= ULTIMATE.start_main_~i~5 42), 91623#(<= ULTIMATE.start_main_~i~5 45), 91622#(<= ULTIMATE.start_main_~i~5 44), 91625#(<= ULTIMATE.start_main_~i~5 47), 91624#(<= ULTIMATE.start_main_~i~5 46), 91627#(<= ULTIMATE.start_main_~i~5 49), 91626#(<= ULTIMATE.start_main_~i~5 48), 91629#(<= ULTIMATE.start_main_~i~5 51), 91628#(<= ULTIMATE.start_main_~i~5 50), 91631#(<= ULTIMATE.start_main_~i~5 53), 91630#(<= ULTIMATE.start_main_~i~5 52), 91633#(<= ULTIMATE.start_main_~i~5 55), 91632#(<= ULTIMATE.start_main_~i~5 54), 91635#(<= ULTIMATE.start_main_~i~5 57), 91634#(<= ULTIMATE.start_main_~i~5 56), 91637#(<= ULTIMATE.start_main_~i~5 59), 91636#(<= ULTIMATE.start_main_~i~5 58), 91639#(<= ULTIMATE.start_main_~i~5 61), 91638#(<= ULTIMATE.start_main_~i~5 60), 91641#(<= ULTIMATE.start_main_~i~5 63), 91640#(<= ULTIMATE.start_main_~i~5 62), 91643#(<= ULTIMATE.start_main_~i~5 65), 91642#(<= ULTIMATE.start_main_~i~5 64), 91645#(<= ULTIMATE.start_main_~i~5 67), 91644#(<= ULTIMATE.start_main_~i~5 66), 91647#(<= ULTIMATE.start_main_~i~5 69), 91646#(<= ULTIMATE.start_main_~i~5 68)] [2018-07-23 13:41:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,964 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:41:55,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:41:55,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:41:55,967 INFO L87 Difference]: Start difference. First operand 283 states and 284 transitions. Second operand 141 states. [2018-07-23 13:41:56,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:56,191 INFO L93 Difference]: Finished difference Result 289 states and 291 transitions. [2018-07-23 13:41:56,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:41:56,191 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 282 [2018-07-23 13:41:56,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:56,191 INFO L225 Difference]: With dead ends: 289 [2018-07-23 13:41:56,192 INFO L226 Difference]: Without dead ends: 285 [2018-07-23 13:41:56,193 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:41:56,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-07-23 13:41:56,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-07-23 13:41:56,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-07-23 13:41:56,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 286 transitions. [2018-07-23 13:41:56,196 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 286 transitions. Word has length 282 [2018-07-23 13:41:56,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:56,197 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 286 transitions. [2018-07-23 13:41:56,197 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:41:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 286 transitions. [2018-07-23 13:41:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-07-23 13:41:56,198 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:56,198 INFO L357 BasicCegarLoop]: trace histogram [140, 139, 1, 1, 1, 1, 1] [2018-07-23 13:41:56,198 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:56,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1137373071, now seen corresponding path program 139 times [2018-07-23 13:41:56,198 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,875 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:56,875 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:41:56,875 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:56,875 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 13:41:56,876 INFO L185 omatonBuilderFactory]: Interpolants [92929#(<= ULTIMATE.start_main_~i~5 62), 92928#(<= ULTIMATE.start_main_~i~5 61), 92931#(<= ULTIMATE.start_main_~i~5 64), 92930#(<= ULTIMATE.start_main_~i~5 63), 92933#(<= ULTIMATE.start_main_~i~5 66), 92932#(<= ULTIMATE.start_main_~i~5 65), 92935#(<= ULTIMATE.start_main_~i~5 68), 92934#(<= ULTIMATE.start_main_~i~5 67), 92937#(<= ULTIMATE.start_main_~i~5 70), 92936#(<= ULTIMATE.start_main_~i~5 69), 92939#(<= ULTIMATE.start_main_~i~5 72), 92938#(<= ULTIMATE.start_main_~i~5 71), 92941#(<= ULTIMATE.start_main_~i~5 74), 92940#(<= ULTIMATE.start_main_~i~5 73), 92943#(<= ULTIMATE.start_main_~i~5 76), 92942#(<= ULTIMATE.start_main_~i~5 75), 92945#(<= ULTIMATE.start_main_~i~5 78), 92944#(<= ULTIMATE.start_main_~i~5 77), 92947#(<= ULTIMATE.start_main_~i~5 80), 92946#(<= ULTIMATE.start_main_~i~5 79), 92949#(<= ULTIMATE.start_main_~i~5 82), 92948#(<= ULTIMATE.start_main_~i~5 81), 92951#(<= ULTIMATE.start_main_~i~5 84), 92950#(<= ULTIMATE.start_main_~i~5 83), 92953#(<= ULTIMATE.start_main_~i~5 86), 92952#(<= ULTIMATE.start_main_~i~5 85), 92955#(<= ULTIMATE.start_main_~i~5 88), 92954#(<= ULTIMATE.start_main_~i~5 87), 92957#(<= ULTIMATE.start_main_~i~5 90), 92956#(<= ULTIMATE.start_main_~i~5 89), 92959#(<= ULTIMATE.start_main_~i~5 92), 92958#(<= ULTIMATE.start_main_~i~5 91), 92961#(<= ULTIMATE.start_main_~i~5 94), 92960#(<= ULTIMATE.start_main_~i~5 93), 92963#(<= ULTIMATE.start_main_~i~5 96), 92962#(<= ULTIMATE.start_main_~i~5 95), 92965#(<= ULTIMATE.start_main_~i~5 98), 92964#(<= ULTIMATE.start_main_~i~5 97), 92967#(<= ULTIMATE.start_main_~i~5 100), 92966#(<= ULTIMATE.start_main_~i~5 99), 92969#(<= ULTIMATE.start_main_~i~5 102), 92968#(<= ULTIMATE.start_main_~i~5 101), 92971#(<= ULTIMATE.start_main_~i~5 104), 92970#(<= ULTIMATE.start_main_~i~5 103), 92973#(<= ULTIMATE.start_main_~i~5 106), 92972#(<= ULTIMATE.start_main_~i~5 105), 92975#(<= ULTIMATE.start_main_~i~5 108), 92974#(<= ULTIMATE.start_main_~i~5 107), 92977#(<= ULTIMATE.start_main_~i~5 110), 92976#(<= ULTIMATE.start_main_~i~5 109), 92979#(<= ULTIMATE.start_main_~i~5 112), 92978#(<= ULTIMATE.start_main_~i~5 111), 92981#(<= ULTIMATE.start_main_~i~5 114), 92980#(<= ULTIMATE.start_main_~i~5 113), 92983#(<= ULTIMATE.start_main_~i~5 116), 92982#(<= ULTIMATE.start_main_~i~5 115), 92985#(<= ULTIMATE.start_main_~i~5 118), 92984#(<= ULTIMATE.start_main_~i~5 117), 92987#(<= ULTIMATE.start_main_~i~5 120), 92986#(<= ULTIMATE.start_main_~i~5 119), 92989#(<= ULTIMATE.start_main_~i~5 122), 92988#(<= ULTIMATE.start_main_~i~5 121), 92991#(<= ULTIMATE.start_main_~i~5 124), 92990#(<= ULTIMATE.start_main_~i~5 123), 92993#(<= ULTIMATE.start_main_~i~5 126), 92992#(<= ULTIMATE.start_main_~i~5 125), 92995#(<= ULTIMATE.start_main_~i~5 128), 92994#(<= ULTIMATE.start_main_~i~5 127), 92997#(<= ULTIMATE.start_main_~i~5 130), 92996#(<= ULTIMATE.start_main_~i~5 129), 92999#(<= ULTIMATE.start_main_~i~5 132), 92998#(<= ULTIMATE.start_main_~i~5 131), 93001#(<= ULTIMATE.start_main_~i~5 134), 93000#(<= ULTIMATE.start_main_~i~5 133), 93003#(<= ULTIMATE.start_main_~i~5 136), 93002#(<= ULTIMATE.start_main_~i~5 135), 93005#(<= ULTIMATE.start_main_~i~5 138), 93004#(<= ULTIMATE.start_main_~i~5 137), 93006#(<= ULTIMATE.start_main_~i~5 139), 92865#true, 92867#(<= ULTIMATE.start_main_~i~5 0), 92866#false, 92869#(<= ULTIMATE.start_main_~i~5 2), 92868#(<= ULTIMATE.start_main_~i~5 1), 92871#(<= ULTIMATE.start_main_~i~5 4), 92870#(<= ULTIMATE.start_main_~i~5 3), 92873#(<= ULTIMATE.start_main_~i~5 6), 92872#(<= ULTIMATE.start_main_~i~5 5), 92875#(<= ULTIMATE.start_main_~i~5 8), 92874#(<= ULTIMATE.start_main_~i~5 7), 92877#(<= ULTIMATE.start_main_~i~5 10), 92876#(<= ULTIMATE.start_main_~i~5 9), 92879#(<= ULTIMATE.start_main_~i~5 12), 92878#(<= ULTIMATE.start_main_~i~5 11), 92881#(<= ULTIMATE.start_main_~i~5 14), 92880#(<= ULTIMATE.start_main_~i~5 13), 92883#(<= ULTIMATE.start_main_~i~5 16), 92882#(<= ULTIMATE.start_main_~i~5 15), 92885#(<= ULTIMATE.start_main_~i~5 18), 92884#(<= ULTIMATE.start_main_~i~5 17), 92887#(<= ULTIMATE.start_main_~i~5 20), 92886#(<= ULTIMATE.start_main_~i~5 19), 92889#(<= ULTIMATE.start_main_~i~5 22), 92888#(<= ULTIMATE.start_main_~i~5 21), 92891#(<= ULTIMATE.start_main_~i~5 24), 92890#(<= ULTIMATE.start_main_~i~5 23), 92893#(<= ULTIMATE.start_main_~i~5 26), 92892#(<= ULTIMATE.start_main_~i~5 25), 92895#(<= ULTIMATE.start_main_~i~5 28), 92894#(<= ULTIMATE.start_main_~i~5 27), 92897#(<= ULTIMATE.start_main_~i~5 30), 92896#(<= ULTIMATE.start_main_~i~5 29), 92899#(<= ULTIMATE.start_main_~i~5 32), 92898#(<= ULTIMATE.start_main_~i~5 31), 92901#(<= ULTIMATE.start_main_~i~5 34), 92900#(<= ULTIMATE.start_main_~i~5 33), 92903#(<= ULTIMATE.start_main_~i~5 36), 92902#(<= ULTIMATE.start_main_~i~5 35), 92905#(<= ULTIMATE.start_main_~i~5 38), 92904#(<= ULTIMATE.start_main_~i~5 37), 92907#(<= ULTIMATE.start_main_~i~5 40), 92906#(<= ULTIMATE.start_main_~i~5 39), 92909#(<= ULTIMATE.start_main_~i~5 42), 92908#(<= ULTIMATE.start_main_~i~5 41), 92911#(<= ULTIMATE.start_main_~i~5 44), 92910#(<= ULTIMATE.start_main_~i~5 43), 92913#(<= ULTIMATE.start_main_~i~5 46), 92912#(<= ULTIMATE.start_main_~i~5 45), 92915#(<= ULTIMATE.start_main_~i~5 48), 92914#(<= ULTIMATE.start_main_~i~5 47), 92917#(<= ULTIMATE.start_main_~i~5 50), 92916#(<= ULTIMATE.start_main_~i~5 49), 92919#(<= ULTIMATE.start_main_~i~5 52), 92918#(<= ULTIMATE.start_main_~i~5 51), 92921#(<= ULTIMATE.start_main_~i~5 54), 92920#(<= ULTIMATE.start_main_~i~5 53), 92923#(<= ULTIMATE.start_main_~i~5 56), 92922#(<= ULTIMATE.start_main_~i~5 55), 92925#(<= ULTIMATE.start_main_~i~5 58), 92924#(<= ULTIMATE.start_main_~i~5 57), 92927#(<= ULTIMATE.start_main_~i~5 60), 92926#(<= ULTIMATE.start_main_~i~5 59)] [2018-07-23 13:41:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,877 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:41:56,878 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:41:56,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:41:56,879 INFO L87 Difference]: Start difference. First operand 285 states and 286 transitions. Second operand 142 states. [2018-07-23 13:41:57,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:57,090 INFO L93 Difference]: Finished difference Result 291 states and 293 transitions. [2018-07-23 13:41:57,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:41:57,090 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 284 [2018-07-23 13:41:57,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:57,091 INFO L225 Difference]: With dead ends: 291 [2018-07-23 13:41:57,091 INFO L226 Difference]: Without dead ends: 287 [2018-07-23 13:41:57,092 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 13:41:57,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-07-23 13:41:57,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2018-07-23 13:41:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-07-23 13:41:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 288 transitions. [2018-07-23 13:41:57,096 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 288 transitions. Word has length 284 [2018-07-23 13:41:57,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:57,096 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 288 transitions. [2018-07-23 13:41:57,096 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:41:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 288 transitions. [2018-07-23 13:41:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-07-23 13:41:57,097 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:57,098 INFO L357 BasicCegarLoop]: trace histogram [141, 140, 1, 1, 1, 1, 1] [2018-07-23 13:41:57,098 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:57,098 INFO L82 PathProgramCache]: Analyzing trace with hash 2010269835, now seen corresponding path program 140 times [2018-07-23 13:41:57,098 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,801 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:57,802 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:41:57,802 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:57,802 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 13:41:57,802 INFO L185 omatonBuilderFactory]: Interpolants [94209#(<= ULTIMATE.start_main_~i~5 44), 94208#(<= ULTIMATE.start_main_~i~5 43), 94211#(<= ULTIMATE.start_main_~i~5 46), 94210#(<= ULTIMATE.start_main_~i~5 45), 94213#(<= ULTIMATE.start_main_~i~5 48), 94212#(<= ULTIMATE.start_main_~i~5 47), 94215#(<= ULTIMATE.start_main_~i~5 50), 94214#(<= ULTIMATE.start_main_~i~5 49), 94217#(<= ULTIMATE.start_main_~i~5 52), 94216#(<= ULTIMATE.start_main_~i~5 51), 94219#(<= ULTIMATE.start_main_~i~5 54), 94218#(<= ULTIMATE.start_main_~i~5 53), 94221#(<= ULTIMATE.start_main_~i~5 56), 94220#(<= ULTIMATE.start_main_~i~5 55), 94223#(<= ULTIMATE.start_main_~i~5 58), 94222#(<= ULTIMATE.start_main_~i~5 57), 94225#(<= ULTIMATE.start_main_~i~5 60), 94224#(<= ULTIMATE.start_main_~i~5 59), 94227#(<= ULTIMATE.start_main_~i~5 62), 94226#(<= ULTIMATE.start_main_~i~5 61), 94229#(<= ULTIMATE.start_main_~i~5 64), 94228#(<= ULTIMATE.start_main_~i~5 63), 94231#(<= ULTIMATE.start_main_~i~5 66), 94230#(<= ULTIMATE.start_main_~i~5 65), 94233#(<= ULTIMATE.start_main_~i~5 68), 94232#(<= ULTIMATE.start_main_~i~5 67), 94235#(<= ULTIMATE.start_main_~i~5 70), 94234#(<= ULTIMATE.start_main_~i~5 69), 94237#(<= ULTIMATE.start_main_~i~5 72), 94236#(<= ULTIMATE.start_main_~i~5 71), 94239#(<= ULTIMATE.start_main_~i~5 74), 94238#(<= ULTIMATE.start_main_~i~5 73), 94241#(<= ULTIMATE.start_main_~i~5 76), 94240#(<= ULTIMATE.start_main_~i~5 75), 94243#(<= ULTIMATE.start_main_~i~5 78), 94242#(<= ULTIMATE.start_main_~i~5 77), 94245#(<= ULTIMATE.start_main_~i~5 80), 94244#(<= ULTIMATE.start_main_~i~5 79), 94247#(<= ULTIMATE.start_main_~i~5 82), 94246#(<= ULTIMATE.start_main_~i~5 81), 94249#(<= ULTIMATE.start_main_~i~5 84), 94248#(<= ULTIMATE.start_main_~i~5 83), 94251#(<= ULTIMATE.start_main_~i~5 86), 94250#(<= ULTIMATE.start_main_~i~5 85), 94253#(<= ULTIMATE.start_main_~i~5 88), 94252#(<= ULTIMATE.start_main_~i~5 87), 94255#(<= ULTIMATE.start_main_~i~5 90), 94254#(<= ULTIMATE.start_main_~i~5 89), 94257#(<= ULTIMATE.start_main_~i~5 92), 94256#(<= ULTIMATE.start_main_~i~5 91), 94259#(<= ULTIMATE.start_main_~i~5 94), 94258#(<= ULTIMATE.start_main_~i~5 93), 94261#(<= ULTIMATE.start_main_~i~5 96), 94260#(<= ULTIMATE.start_main_~i~5 95), 94263#(<= ULTIMATE.start_main_~i~5 98), 94262#(<= ULTIMATE.start_main_~i~5 97), 94265#(<= ULTIMATE.start_main_~i~5 100), 94264#(<= ULTIMATE.start_main_~i~5 99), 94267#(<= ULTIMATE.start_main_~i~5 102), 94266#(<= ULTIMATE.start_main_~i~5 101), 94269#(<= ULTIMATE.start_main_~i~5 104), 94268#(<= ULTIMATE.start_main_~i~5 103), 94271#(<= ULTIMATE.start_main_~i~5 106), 94270#(<= ULTIMATE.start_main_~i~5 105), 94273#(<= ULTIMATE.start_main_~i~5 108), 94272#(<= ULTIMATE.start_main_~i~5 107), 94275#(<= ULTIMATE.start_main_~i~5 110), 94274#(<= ULTIMATE.start_main_~i~5 109), 94277#(<= ULTIMATE.start_main_~i~5 112), 94276#(<= ULTIMATE.start_main_~i~5 111), 94279#(<= ULTIMATE.start_main_~i~5 114), 94278#(<= ULTIMATE.start_main_~i~5 113), 94281#(<= ULTIMATE.start_main_~i~5 116), 94280#(<= ULTIMATE.start_main_~i~5 115), 94283#(<= ULTIMATE.start_main_~i~5 118), 94282#(<= ULTIMATE.start_main_~i~5 117), 94285#(<= ULTIMATE.start_main_~i~5 120), 94284#(<= ULTIMATE.start_main_~i~5 119), 94287#(<= ULTIMATE.start_main_~i~5 122), 94286#(<= ULTIMATE.start_main_~i~5 121), 94289#(<= ULTIMATE.start_main_~i~5 124), 94288#(<= ULTIMATE.start_main_~i~5 123), 94291#(<= ULTIMATE.start_main_~i~5 126), 94290#(<= ULTIMATE.start_main_~i~5 125), 94293#(<= ULTIMATE.start_main_~i~5 128), 94292#(<= ULTIMATE.start_main_~i~5 127), 94295#(<= ULTIMATE.start_main_~i~5 130), 94294#(<= ULTIMATE.start_main_~i~5 129), 94297#(<= ULTIMATE.start_main_~i~5 132), 94296#(<= ULTIMATE.start_main_~i~5 131), 94299#(<= ULTIMATE.start_main_~i~5 134), 94298#(<= ULTIMATE.start_main_~i~5 133), 94301#(<= ULTIMATE.start_main_~i~5 136), 94300#(<= ULTIMATE.start_main_~i~5 135), 94303#(<= ULTIMATE.start_main_~i~5 138), 94302#(<= ULTIMATE.start_main_~i~5 137), 94305#(<= ULTIMATE.start_main_~i~5 140), 94304#(<= ULTIMATE.start_main_~i~5 139), 94163#true, 94165#(<= ULTIMATE.start_main_~i~5 0), 94164#false, 94167#(<= ULTIMATE.start_main_~i~5 2), 94166#(<= ULTIMATE.start_main_~i~5 1), 94169#(<= ULTIMATE.start_main_~i~5 4), 94168#(<= ULTIMATE.start_main_~i~5 3), 94171#(<= ULTIMATE.start_main_~i~5 6), 94170#(<= ULTIMATE.start_main_~i~5 5), 94173#(<= ULTIMATE.start_main_~i~5 8), 94172#(<= ULTIMATE.start_main_~i~5 7), 94175#(<= ULTIMATE.start_main_~i~5 10), 94174#(<= ULTIMATE.start_main_~i~5 9), 94177#(<= ULTIMATE.start_main_~i~5 12), 94176#(<= ULTIMATE.start_main_~i~5 11), 94179#(<= ULTIMATE.start_main_~i~5 14), 94178#(<= ULTIMATE.start_main_~i~5 13), 94181#(<= ULTIMATE.start_main_~i~5 16), 94180#(<= ULTIMATE.start_main_~i~5 15), 94183#(<= ULTIMATE.start_main_~i~5 18), 94182#(<= ULTIMATE.start_main_~i~5 17), 94185#(<= ULTIMATE.start_main_~i~5 20), 94184#(<= ULTIMATE.start_main_~i~5 19), 94187#(<= ULTIMATE.start_main_~i~5 22), 94186#(<= ULTIMATE.start_main_~i~5 21), 94189#(<= ULTIMATE.start_main_~i~5 24), 94188#(<= ULTIMATE.start_main_~i~5 23), 94191#(<= ULTIMATE.start_main_~i~5 26), 94190#(<= ULTIMATE.start_main_~i~5 25), 94193#(<= ULTIMATE.start_main_~i~5 28), 94192#(<= ULTIMATE.start_main_~i~5 27), 94195#(<= ULTIMATE.start_main_~i~5 30), 94194#(<= ULTIMATE.start_main_~i~5 29), 94197#(<= ULTIMATE.start_main_~i~5 32), 94196#(<= ULTIMATE.start_main_~i~5 31), 94199#(<= ULTIMATE.start_main_~i~5 34), 94198#(<= ULTIMATE.start_main_~i~5 33), 94201#(<= ULTIMATE.start_main_~i~5 36), 94200#(<= ULTIMATE.start_main_~i~5 35), 94203#(<= ULTIMATE.start_main_~i~5 38), 94202#(<= ULTIMATE.start_main_~i~5 37), 94205#(<= ULTIMATE.start_main_~i~5 40), 94204#(<= ULTIMATE.start_main_~i~5 39), 94207#(<= ULTIMATE.start_main_~i~5 42), 94206#(<= ULTIMATE.start_main_~i~5 41)] [2018-07-23 13:41:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,803 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:41:57,805 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:41:57,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:41:57,806 INFO L87 Difference]: Start difference. First operand 287 states and 288 transitions. Second operand 143 states. [2018-07-23 13:41:58,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:58,190 INFO L93 Difference]: Finished difference Result 293 states and 295 transitions. [2018-07-23 13:41:58,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:41:58,190 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 286 [2018-07-23 13:41:58,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:58,191 INFO L225 Difference]: With dead ends: 293 [2018-07-23 13:41:58,191 INFO L226 Difference]: Without dead ends: 289 [2018-07-23 13:41:58,193 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:41:58,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-07-23 13:41:58,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2018-07-23 13:41:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-07-23 13:41:58,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 290 transitions. [2018-07-23 13:41:58,197 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 290 transitions. Word has length 286 [2018-07-23 13:41:58,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:58,197 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 290 transitions. [2018-07-23 13:41:58,197 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:41:58,197 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 290 transitions. [2018-07-23 13:41:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-07-23 13:41:58,198 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:58,199 INFO L357 BasicCegarLoop]: trace histogram [142, 141, 1, 1, 1, 1, 1] [2018-07-23 13:41:58,199 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:58,199 INFO L82 PathProgramCache]: Analyzing trace with hash -949529977, now seen corresponding path program 141 times [2018-07-23 13:41:58,199 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:58,999 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:58,999 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:41:58,999 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:59,000 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 13:41:59,000 INFO L185 omatonBuilderFactory]: Interpolants [95489#(<= ULTIMATE.start_main_~i~5 17), 95488#(<= ULTIMATE.start_main_~i~5 16), 95491#(<= ULTIMATE.start_main_~i~5 19), 95490#(<= ULTIMATE.start_main_~i~5 18), 95493#(<= ULTIMATE.start_main_~i~5 21), 95492#(<= ULTIMATE.start_main_~i~5 20), 95495#(<= ULTIMATE.start_main_~i~5 23), 95494#(<= ULTIMATE.start_main_~i~5 22), 95497#(<= ULTIMATE.start_main_~i~5 25), 95496#(<= ULTIMATE.start_main_~i~5 24), 95499#(<= ULTIMATE.start_main_~i~5 27), 95498#(<= ULTIMATE.start_main_~i~5 26), 95501#(<= ULTIMATE.start_main_~i~5 29), 95500#(<= ULTIMATE.start_main_~i~5 28), 95503#(<= ULTIMATE.start_main_~i~5 31), 95502#(<= ULTIMATE.start_main_~i~5 30), 95505#(<= ULTIMATE.start_main_~i~5 33), 95504#(<= ULTIMATE.start_main_~i~5 32), 95507#(<= ULTIMATE.start_main_~i~5 35), 95506#(<= ULTIMATE.start_main_~i~5 34), 95509#(<= ULTIMATE.start_main_~i~5 37), 95508#(<= ULTIMATE.start_main_~i~5 36), 95511#(<= ULTIMATE.start_main_~i~5 39), 95510#(<= ULTIMATE.start_main_~i~5 38), 95513#(<= ULTIMATE.start_main_~i~5 41), 95512#(<= ULTIMATE.start_main_~i~5 40), 95515#(<= ULTIMATE.start_main_~i~5 43), 95514#(<= ULTIMATE.start_main_~i~5 42), 95517#(<= ULTIMATE.start_main_~i~5 45), 95516#(<= ULTIMATE.start_main_~i~5 44), 95519#(<= ULTIMATE.start_main_~i~5 47), 95518#(<= ULTIMATE.start_main_~i~5 46), 95521#(<= ULTIMATE.start_main_~i~5 49), 95520#(<= ULTIMATE.start_main_~i~5 48), 95523#(<= ULTIMATE.start_main_~i~5 51), 95522#(<= ULTIMATE.start_main_~i~5 50), 95525#(<= ULTIMATE.start_main_~i~5 53), 95524#(<= ULTIMATE.start_main_~i~5 52), 95527#(<= ULTIMATE.start_main_~i~5 55), 95526#(<= ULTIMATE.start_main_~i~5 54), 95529#(<= ULTIMATE.start_main_~i~5 57), 95528#(<= ULTIMATE.start_main_~i~5 56), 95531#(<= ULTIMATE.start_main_~i~5 59), 95530#(<= ULTIMATE.start_main_~i~5 58), 95533#(<= ULTIMATE.start_main_~i~5 61), 95532#(<= ULTIMATE.start_main_~i~5 60), 95535#(<= ULTIMATE.start_main_~i~5 63), 95534#(<= ULTIMATE.start_main_~i~5 62), 95537#(<= ULTIMATE.start_main_~i~5 65), 95536#(<= ULTIMATE.start_main_~i~5 64), 95539#(<= ULTIMATE.start_main_~i~5 67), 95538#(<= ULTIMATE.start_main_~i~5 66), 95541#(<= ULTIMATE.start_main_~i~5 69), 95540#(<= ULTIMATE.start_main_~i~5 68), 95543#(<= ULTIMATE.start_main_~i~5 71), 95542#(<= ULTIMATE.start_main_~i~5 70), 95545#(<= ULTIMATE.start_main_~i~5 73), 95544#(<= ULTIMATE.start_main_~i~5 72), 95547#(<= ULTIMATE.start_main_~i~5 75), 95546#(<= ULTIMATE.start_main_~i~5 74), 95549#(<= ULTIMATE.start_main_~i~5 77), 95548#(<= ULTIMATE.start_main_~i~5 76), 95551#(<= ULTIMATE.start_main_~i~5 79), 95550#(<= ULTIMATE.start_main_~i~5 78), 95553#(<= ULTIMATE.start_main_~i~5 81), 95552#(<= ULTIMATE.start_main_~i~5 80), 95555#(<= ULTIMATE.start_main_~i~5 83), 95554#(<= ULTIMATE.start_main_~i~5 82), 95557#(<= ULTIMATE.start_main_~i~5 85), 95556#(<= ULTIMATE.start_main_~i~5 84), 95559#(<= ULTIMATE.start_main_~i~5 87), 95558#(<= ULTIMATE.start_main_~i~5 86), 95561#(<= ULTIMATE.start_main_~i~5 89), 95560#(<= ULTIMATE.start_main_~i~5 88), 95563#(<= ULTIMATE.start_main_~i~5 91), 95562#(<= ULTIMATE.start_main_~i~5 90), 95565#(<= ULTIMATE.start_main_~i~5 93), 95564#(<= ULTIMATE.start_main_~i~5 92), 95567#(<= ULTIMATE.start_main_~i~5 95), 95566#(<= ULTIMATE.start_main_~i~5 94), 95569#(<= ULTIMATE.start_main_~i~5 97), 95568#(<= ULTIMATE.start_main_~i~5 96), 95571#(<= ULTIMATE.start_main_~i~5 99), 95570#(<= ULTIMATE.start_main_~i~5 98), 95573#(<= ULTIMATE.start_main_~i~5 101), 95572#(<= ULTIMATE.start_main_~i~5 100), 95575#(<= ULTIMATE.start_main_~i~5 103), 95574#(<= ULTIMATE.start_main_~i~5 102), 95577#(<= ULTIMATE.start_main_~i~5 105), 95576#(<= ULTIMATE.start_main_~i~5 104), 95579#(<= ULTIMATE.start_main_~i~5 107), 95578#(<= ULTIMATE.start_main_~i~5 106), 95581#(<= ULTIMATE.start_main_~i~5 109), 95580#(<= ULTIMATE.start_main_~i~5 108), 95583#(<= ULTIMATE.start_main_~i~5 111), 95582#(<= ULTIMATE.start_main_~i~5 110), 95585#(<= ULTIMATE.start_main_~i~5 113), 95584#(<= ULTIMATE.start_main_~i~5 112), 95587#(<= ULTIMATE.start_main_~i~5 115), 95586#(<= ULTIMATE.start_main_~i~5 114), 95589#(<= ULTIMATE.start_main_~i~5 117), 95588#(<= ULTIMATE.start_main_~i~5 116), 95591#(<= ULTIMATE.start_main_~i~5 119), 95590#(<= ULTIMATE.start_main_~i~5 118), 95593#(<= ULTIMATE.start_main_~i~5 121), 95592#(<= ULTIMATE.start_main_~i~5 120), 95595#(<= ULTIMATE.start_main_~i~5 123), 95594#(<= ULTIMATE.start_main_~i~5 122), 95597#(<= ULTIMATE.start_main_~i~5 125), 95596#(<= ULTIMATE.start_main_~i~5 124), 95599#(<= ULTIMATE.start_main_~i~5 127), 95598#(<= ULTIMATE.start_main_~i~5 126), 95601#(<= ULTIMATE.start_main_~i~5 129), 95600#(<= ULTIMATE.start_main_~i~5 128), 95603#(<= ULTIMATE.start_main_~i~5 131), 95602#(<= ULTIMATE.start_main_~i~5 130), 95605#(<= ULTIMATE.start_main_~i~5 133), 95604#(<= ULTIMATE.start_main_~i~5 132), 95607#(<= ULTIMATE.start_main_~i~5 135), 95606#(<= ULTIMATE.start_main_~i~5 134), 95609#(<= ULTIMATE.start_main_~i~5 137), 95608#(<= ULTIMATE.start_main_~i~5 136), 95611#(<= ULTIMATE.start_main_~i~5 139), 95610#(<= ULTIMATE.start_main_~i~5 138), 95613#(<= ULTIMATE.start_main_~i~5 141), 95612#(<= ULTIMATE.start_main_~i~5 140), 95471#false, 95470#true, 95473#(<= ULTIMATE.start_main_~i~5 1), 95472#(<= ULTIMATE.start_main_~i~5 0), 95475#(<= ULTIMATE.start_main_~i~5 3), 95474#(<= ULTIMATE.start_main_~i~5 2), 95477#(<= ULTIMATE.start_main_~i~5 5), 95476#(<= ULTIMATE.start_main_~i~5 4), 95479#(<= ULTIMATE.start_main_~i~5 7), 95478#(<= ULTIMATE.start_main_~i~5 6), 95481#(<= ULTIMATE.start_main_~i~5 9), 95480#(<= ULTIMATE.start_main_~i~5 8), 95483#(<= ULTIMATE.start_main_~i~5 11), 95482#(<= ULTIMATE.start_main_~i~5 10), 95485#(<= ULTIMATE.start_main_~i~5 13), 95484#(<= ULTIMATE.start_main_~i~5 12), 95487#(<= ULTIMATE.start_main_~i~5 15), 95486#(<= ULTIMATE.start_main_~i~5 14)] [2018-07-23 13:41:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,001 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:41:59,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:41:59,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:41:59,003 INFO L87 Difference]: Start difference. First operand 289 states and 290 transitions. Second operand 144 states. [2018-07-23 13:41:59,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:59,586 INFO L93 Difference]: Finished difference Result 295 states and 297 transitions. [2018-07-23 13:41:59,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:41:59,586 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 288 [2018-07-23 13:41:59,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:59,587 INFO L225 Difference]: With dead ends: 295 [2018-07-23 13:41:59,587 INFO L226 Difference]: Without dead ends: 291 [2018-07-23 13:41:59,589 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 13:41:59,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-07-23 13:41:59,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-07-23 13:41:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-07-23 13:41:59,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 292 transitions. [2018-07-23 13:41:59,593 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 292 transitions. Word has length 288 [2018-07-23 13:41:59,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:59,593 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 292 transitions. [2018-07-23 13:41:59,593 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:41:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 292 transitions. [2018-07-23 13:41:59,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-07-23 13:41:59,594 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:59,594 INFO L357 BasicCegarLoop]: trace histogram [143, 142, 1, 1, 1, 1, 1] [2018-07-23 13:41:59,594 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:59,594 INFO L82 PathProgramCache]: Analyzing trace with hash -2048799357, now seen corresponding path program 142 times [2018-07-23 13:41:59,594 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,377 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:00,377 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:42:00,378 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:00,378 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 13:42:00,378 INFO L185 omatonBuilderFactory]: Interpolants [96787#false, 96786#true, 96789#(<= ULTIMATE.start_main_~i~5 1), 96788#(<= ULTIMATE.start_main_~i~5 0), 96791#(<= ULTIMATE.start_main_~i~5 3), 96790#(<= ULTIMATE.start_main_~i~5 2), 96793#(<= ULTIMATE.start_main_~i~5 5), 96792#(<= ULTIMATE.start_main_~i~5 4), 96795#(<= ULTIMATE.start_main_~i~5 7), 96794#(<= ULTIMATE.start_main_~i~5 6), 96797#(<= ULTIMATE.start_main_~i~5 9), 96796#(<= ULTIMATE.start_main_~i~5 8), 96799#(<= ULTIMATE.start_main_~i~5 11), 96798#(<= ULTIMATE.start_main_~i~5 10), 96801#(<= ULTIMATE.start_main_~i~5 13), 96800#(<= ULTIMATE.start_main_~i~5 12), 96803#(<= ULTIMATE.start_main_~i~5 15), 96802#(<= ULTIMATE.start_main_~i~5 14), 96805#(<= ULTIMATE.start_main_~i~5 17), 96804#(<= ULTIMATE.start_main_~i~5 16), 96807#(<= ULTIMATE.start_main_~i~5 19), 96806#(<= ULTIMATE.start_main_~i~5 18), 96809#(<= ULTIMATE.start_main_~i~5 21), 96808#(<= ULTIMATE.start_main_~i~5 20), 96811#(<= ULTIMATE.start_main_~i~5 23), 96810#(<= ULTIMATE.start_main_~i~5 22), 96813#(<= ULTIMATE.start_main_~i~5 25), 96812#(<= ULTIMATE.start_main_~i~5 24), 96815#(<= ULTIMATE.start_main_~i~5 27), 96814#(<= ULTIMATE.start_main_~i~5 26), 96817#(<= ULTIMATE.start_main_~i~5 29), 96816#(<= ULTIMATE.start_main_~i~5 28), 96819#(<= ULTIMATE.start_main_~i~5 31), 96818#(<= ULTIMATE.start_main_~i~5 30), 96821#(<= ULTIMATE.start_main_~i~5 33), 96820#(<= ULTIMATE.start_main_~i~5 32), 96823#(<= ULTIMATE.start_main_~i~5 35), 96822#(<= ULTIMATE.start_main_~i~5 34), 96825#(<= ULTIMATE.start_main_~i~5 37), 96824#(<= ULTIMATE.start_main_~i~5 36), 96827#(<= ULTIMATE.start_main_~i~5 39), 96826#(<= ULTIMATE.start_main_~i~5 38), 96829#(<= ULTIMATE.start_main_~i~5 41), 96828#(<= ULTIMATE.start_main_~i~5 40), 96831#(<= ULTIMATE.start_main_~i~5 43), 96830#(<= ULTIMATE.start_main_~i~5 42), 96833#(<= ULTIMATE.start_main_~i~5 45), 96832#(<= ULTIMATE.start_main_~i~5 44), 96835#(<= ULTIMATE.start_main_~i~5 47), 96834#(<= ULTIMATE.start_main_~i~5 46), 96837#(<= ULTIMATE.start_main_~i~5 49), 96836#(<= ULTIMATE.start_main_~i~5 48), 96839#(<= ULTIMATE.start_main_~i~5 51), 96838#(<= ULTIMATE.start_main_~i~5 50), 96841#(<= ULTIMATE.start_main_~i~5 53), 96840#(<= ULTIMATE.start_main_~i~5 52), 96843#(<= ULTIMATE.start_main_~i~5 55), 96842#(<= ULTIMATE.start_main_~i~5 54), 96845#(<= ULTIMATE.start_main_~i~5 57), 96844#(<= ULTIMATE.start_main_~i~5 56), 96847#(<= ULTIMATE.start_main_~i~5 59), 96846#(<= ULTIMATE.start_main_~i~5 58), 96849#(<= ULTIMATE.start_main_~i~5 61), 96848#(<= ULTIMATE.start_main_~i~5 60), 96851#(<= ULTIMATE.start_main_~i~5 63), 96850#(<= ULTIMATE.start_main_~i~5 62), 96853#(<= ULTIMATE.start_main_~i~5 65), 96852#(<= ULTIMATE.start_main_~i~5 64), 96855#(<= ULTIMATE.start_main_~i~5 67), 96854#(<= ULTIMATE.start_main_~i~5 66), 96857#(<= ULTIMATE.start_main_~i~5 69), 96856#(<= ULTIMATE.start_main_~i~5 68), 96859#(<= ULTIMATE.start_main_~i~5 71), 96858#(<= ULTIMATE.start_main_~i~5 70), 96861#(<= ULTIMATE.start_main_~i~5 73), 96860#(<= ULTIMATE.start_main_~i~5 72), 96863#(<= ULTIMATE.start_main_~i~5 75), 96862#(<= ULTIMATE.start_main_~i~5 74), 96865#(<= ULTIMATE.start_main_~i~5 77), 96864#(<= ULTIMATE.start_main_~i~5 76), 96867#(<= ULTIMATE.start_main_~i~5 79), 96866#(<= ULTIMATE.start_main_~i~5 78), 96869#(<= ULTIMATE.start_main_~i~5 81), 96868#(<= ULTIMATE.start_main_~i~5 80), 96871#(<= ULTIMATE.start_main_~i~5 83), 96870#(<= ULTIMATE.start_main_~i~5 82), 96873#(<= ULTIMATE.start_main_~i~5 85), 96872#(<= ULTIMATE.start_main_~i~5 84), 96875#(<= ULTIMATE.start_main_~i~5 87), 96874#(<= ULTIMATE.start_main_~i~5 86), 96877#(<= ULTIMATE.start_main_~i~5 89), 96876#(<= ULTIMATE.start_main_~i~5 88), 96879#(<= ULTIMATE.start_main_~i~5 91), 96878#(<= ULTIMATE.start_main_~i~5 90), 96881#(<= ULTIMATE.start_main_~i~5 93), 96880#(<= ULTIMATE.start_main_~i~5 92), 96883#(<= ULTIMATE.start_main_~i~5 95), 96882#(<= ULTIMATE.start_main_~i~5 94), 96885#(<= ULTIMATE.start_main_~i~5 97), 96884#(<= ULTIMATE.start_main_~i~5 96), 96887#(<= ULTIMATE.start_main_~i~5 99), 96886#(<= ULTIMATE.start_main_~i~5 98), 96889#(<= ULTIMATE.start_main_~i~5 101), 96888#(<= ULTIMATE.start_main_~i~5 100), 96891#(<= ULTIMATE.start_main_~i~5 103), 96890#(<= ULTIMATE.start_main_~i~5 102), 96893#(<= ULTIMATE.start_main_~i~5 105), 96892#(<= ULTIMATE.start_main_~i~5 104), 96895#(<= ULTIMATE.start_main_~i~5 107), 96894#(<= ULTIMATE.start_main_~i~5 106), 96897#(<= ULTIMATE.start_main_~i~5 109), 96896#(<= ULTIMATE.start_main_~i~5 108), 96899#(<= ULTIMATE.start_main_~i~5 111), 96898#(<= ULTIMATE.start_main_~i~5 110), 96901#(<= ULTIMATE.start_main_~i~5 113), 96900#(<= ULTIMATE.start_main_~i~5 112), 96903#(<= ULTIMATE.start_main_~i~5 115), 96902#(<= ULTIMATE.start_main_~i~5 114), 96905#(<= ULTIMATE.start_main_~i~5 117), 96904#(<= ULTIMATE.start_main_~i~5 116), 96907#(<= ULTIMATE.start_main_~i~5 119), 96906#(<= ULTIMATE.start_main_~i~5 118), 96909#(<= ULTIMATE.start_main_~i~5 121), 96908#(<= ULTIMATE.start_main_~i~5 120), 96911#(<= ULTIMATE.start_main_~i~5 123), 96910#(<= ULTIMATE.start_main_~i~5 122), 96913#(<= ULTIMATE.start_main_~i~5 125), 96912#(<= ULTIMATE.start_main_~i~5 124), 96915#(<= ULTIMATE.start_main_~i~5 127), 96914#(<= ULTIMATE.start_main_~i~5 126), 96917#(<= ULTIMATE.start_main_~i~5 129), 96916#(<= ULTIMATE.start_main_~i~5 128), 96919#(<= ULTIMATE.start_main_~i~5 131), 96918#(<= ULTIMATE.start_main_~i~5 130), 96921#(<= ULTIMATE.start_main_~i~5 133), 96920#(<= ULTIMATE.start_main_~i~5 132), 96923#(<= ULTIMATE.start_main_~i~5 135), 96922#(<= ULTIMATE.start_main_~i~5 134), 96925#(<= ULTIMATE.start_main_~i~5 137), 96924#(<= ULTIMATE.start_main_~i~5 136), 96927#(<= ULTIMATE.start_main_~i~5 139), 96926#(<= ULTIMATE.start_main_~i~5 138), 96929#(<= ULTIMATE.start_main_~i~5 141), 96928#(<= ULTIMATE.start_main_~i~5 140), 96930#(<= ULTIMATE.start_main_~i~5 142)] [2018-07-23 13:42:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,379 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:42:00,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:42:00,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:42:00,382 INFO L87 Difference]: Start difference. First operand 291 states and 292 transitions. Second operand 145 states. [2018-07-23 13:42:01,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:01,048 INFO L93 Difference]: Finished difference Result 297 states and 299 transitions. [2018-07-23 13:42:01,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:42:01,049 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 290 [2018-07-23 13:42:01,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:01,049 INFO L225 Difference]: With dead ends: 297 [2018-07-23 13:42:01,049 INFO L226 Difference]: Without dead ends: 293 [2018-07-23 13:42:01,050 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:42:01,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-07-23 13:42:01,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-07-23 13:42:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-07-23 13:42:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 294 transitions. [2018-07-23 13:42:01,054 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 294 transitions. Word has length 290 [2018-07-23 13:42:01,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:01,054 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 294 transitions. [2018-07-23 13:42:01,054 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:42:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 294 transitions. [2018-07-23 13:42:01,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-07-23 13:42:01,055 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:01,055 INFO L357 BasicCegarLoop]: trace histogram [144, 143, 1, 1, 1, 1, 1] [2018-07-23 13:42:01,055 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:01,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1884718721, now seen corresponding path program 143 times [2018-07-23 13:42:01,056 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:01,778 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:01,778 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:42:01,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:01,778 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 13:42:01,778 INFO L185 omatonBuilderFactory]: Interpolants [98111#true, 98113#(<= ULTIMATE.start_main_~i~5 0), 98112#false, 98115#(<= ULTIMATE.start_main_~i~5 2), 98114#(<= ULTIMATE.start_main_~i~5 1), 98117#(<= ULTIMATE.start_main_~i~5 4), 98116#(<= ULTIMATE.start_main_~i~5 3), 98119#(<= ULTIMATE.start_main_~i~5 6), 98118#(<= ULTIMATE.start_main_~i~5 5), 98121#(<= ULTIMATE.start_main_~i~5 8), 98120#(<= ULTIMATE.start_main_~i~5 7), 98123#(<= ULTIMATE.start_main_~i~5 10), 98122#(<= ULTIMATE.start_main_~i~5 9), 98125#(<= ULTIMATE.start_main_~i~5 12), 98124#(<= ULTIMATE.start_main_~i~5 11), 98127#(<= ULTIMATE.start_main_~i~5 14), 98126#(<= ULTIMATE.start_main_~i~5 13), 98129#(<= ULTIMATE.start_main_~i~5 16), 98128#(<= ULTIMATE.start_main_~i~5 15), 98131#(<= ULTIMATE.start_main_~i~5 18), 98130#(<= ULTIMATE.start_main_~i~5 17), 98133#(<= ULTIMATE.start_main_~i~5 20), 98132#(<= ULTIMATE.start_main_~i~5 19), 98135#(<= ULTIMATE.start_main_~i~5 22), 98134#(<= ULTIMATE.start_main_~i~5 21), 98137#(<= ULTIMATE.start_main_~i~5 24), 98136#(<= ULTIMATE.start_main_~i~5 23), 98139#(<= ULTIMATE.start_main_~i~5 26), 98138#(<= ULTIMATE.start_main_~i~5 25), 98141#(<= ULTIMATE.start_main_~i~5 28), 98140#(<= ULTIMATE.start_main_~i~5 27), 98143#(<= ULTIMATE.start_main_~i~5 30), 98142#(<= ULTIMATE.start_main_~i~5 29), 98145#(<= ULTIMATE.start_main_~i~5 32), 98144#(<= ULTIMATE.start_main_~i~5 31), 98147#(<= ULTIMATE.start_main_~i~5 34), 98146#(<= ULTIMATE.start_main_~i~5 33), 98149#(<= ULTIMATE.start_main_~i~5 36), 98148#(<= ULTIMATE.start_main_~i~5 35), 98151#(<= ULTIMATE.start_main_~i~5 38), 98150#(<= ULTIMATE.start_main_~i~5 37), 98153#(<= ULTIMATE.start_main_~i~5 40), 98152#(<= ULTIMATE.start_main_~i~5 39), 98155#(<= ULTIMATE.start_main_~i~5 42), 98154#(<= ULTIMATE.start_main_~i~5 41), 98157#(<= ULTIMATE.start_main_~i~5 44), 98156#(<= ULTIMATE.start_main_~i~5 43), 98159#(<= ULTIMATE.start_main_~i~5 46), 98158#(<= ULTIMATE.start_main_~i~5 45), 98161#(<= ULTIMATE.start_main_~i~5 48), 98160#(<= ULTIMATE.start_main_~i~5 47), 98163#(<= ULTIMATE.start_main_~i~5 50), 98162#(<= ULTIMATE.start_main_~i~5 49), 98165#(<= ULTIMATE.start_main_~i~5 52), 98164#(<= ULTIMATE.start_main_~i~5 51), 98167#(<= ULTIMATE.start_main_~i~5 54), 98166#(<= ULTIMATE.start_main_~i~5 53), 98169#(<= ULTIMATE.start_main_~i~5 56), 98168#(<= ULTIMATE.start_main_~i~5 55), 98171#(<= ULTIMATE.start_main_~i~5 58), 98170#(<= ULTIMATE.start_main_~i~5 57), 98173#(<= ULTIMATE.start_main_~i~5 60), 98172#(<= ULTIMATE.start_main_~i~5 59), 98175#(<= ULTIMATE.start_main_~i~5 62), 98174#(<= ULTIMATE.start_main_~i~5 61), 98177#(<= ULTIMATE.start_main_~i~5 64), 98176#(<= ULTIMATE.start_main_~i~5 63), 98179#(<= ULTIMATE.start_main_~i~5 66), 98178#(<= ULTIMATE.start_main_~i~5 65), 98181#(<= ULTIMATE.start_main_~i~5 68), 98180#(<= ULTIMATE.start_main_~i~5 67), 98183#(<= ULTIMATE.start_main_~i~5 70), 98182#(<= ULTIMATE.start_main_~i~5 69), 98185#(<= ULTIMATE.start_main_~i~5 72), 98184#(<= ULTIMATE.start_main_~i~5 71), 98187#(<= ULTIMATE.start_main_~i~5 74), 98186#(<= ULTIMATE.start_main_~i~5 73), 98189#(<= ULTIMATE.start_main_~i~5 76), 98188#(<= ULTIMATE.start_main_~i~5 75), 98191#(<= ULTIMATE.start_main_~i~5 78), 98190#(<= ULTIMATE.start_main_~i~5 77), 98193#(<= ULTIMATE.start_main_~i~5 80), 98192#(<= ULTIMATE.start_main_~i~5 79), 98195#(<= ULTIMATE.start_main_~i~5 82), 98194#(<= ULTIMATE.start_main_~i~5 81), 98197#(<= ULTIMATE.start_main_~i~5 84), 98196#(<= ULTIMATE.start_main_~i~5 83), 98199#(<= ULTIMATE.start_main_~i~5 86), 98198#(<= ULTIMATE.start_main_~i~5 85), 98201#(<= ULTIMATE.start_main_~i~5 88), 98200#(<= ULTIMATE.start_main_~i~5 87), 98203#(<= ULTIMATE.start_main_~i~5 90), 98202#(<= ULTIMATE.start_main_~i~5 89), 98205#(<= ULTIMATE.start_main_~i~5 92), 98204#(<= ULTIMATE.start_main_~i~5 91), 98207#(<= ULTIMATE.start_main_~i~5 94), 98206#(<= ULTIMATE.start_main_~i~5 93), 98209#(<= ULTIMATE.start_main_~i~5 96), 98208#(<= ULTIMATE.start_main_~i~5 95), 98211#(<= ULTIMATE.start_main_~i~5 98), 98210#(<= ULTIMATE.start_main_~i~5 97), 98213#(<= ULTIMATE.start_main_~i~5 100), 98212#(<= ULTIMATE.start_main_~i~5 99), 98215#(<= ULTIMATE.start_main_~i~5 102), 98214#(<= ULTIMATE.start_main_~i~5 101), 98217#(<= ULTIMATE.start_main_~i~5 104), 98216#(<= ULTIMATE.start_main_~i~5 103), 98219#(<= ULTIMATE.start_main_~i~5 106), 98218#(<= ULTIMATE.start_main_~i~5 105), 98221#(<= ULTIMATE.start_main_~i~5 108), 98220#(<= ULTIMATE.start_main_~i~5 107), 98223#(<= ULTIMATE.start_main_~i~5 110), 98222#(<= ULTIMATE.start_main_~i~5 109), 98225#(<= ULTIMATE.start_main_~i~5 112), 98224#(<= ULTIMATE.start_main_~i~5 111), 98227#(<= ULTIMATE.start_main_~i~5 114), 98226#(<= ULTIMATE.start_main_~i~5 113), 98229#(<= ULTIMATE.start_main_~i~5 116), 98228#(<= ULTIMATE.start_main_~i~5 115), 98231#(<= ULTIMATE.start_main_~i~5 118), 98230#(<= ULTIMATE.start_main_~i~5 117), 98233#(<= ULTIMATE.start_main_~i~5 120), 98232#(<= ULTIMATE.start_main_~i~5 119), 98235#(<= ULTIMATE.start_main_~i~5 122), 98234#(<= ULTIMATE.start_main_~i~5 121), 98237#(<= ULTIMATE.start_main_~i~5 124), 98236#(<= ULTIMATE.start_main_~i~5 123), 98239#(<= ULTIMATE.start_main_~i~5 126), 98238#(<= ULTIMATE.start_main_~i~5 125), 98241#(<= ULTIMATE.start_main_~i~5 128), 98240#(<= ULTIMATE.start_main_~i~5 127), 98243#(<= ULTIMATE.start_main_~i~5 130), 98242#(<= ULTIMATE.start_main_~i~5 129), 98245#(<= ULTIMATE.start_main_~i~5 132), 98244#(<= ULTIMATE.start_main_~i~5 131), 98247#(<= ULTIMATE.start_main_~i~5 134), 98246#(<= ULTIMATE.start_main_~i~5 133), 98249#(<= ULTIMATE.start_main_~i~5 136), 98248#(<= ULTIMATE.start_main_~i~5 135), 98251#(<= ULTIMATE.start_main_~i~5 138), 98250#(<= ULTIMATE.start_main_~i~5 137), 98253#(<= ULTIMATE.start_main_~i~5 140), 98252#(<= ULTIMATE.start_main_~i~5 139), 98255#(<= ULTIMATE.start_main_~i~5 142), 98254#(<= ULTIMATE.start_main_~i~5 141), 98256#(<= ULTIMATE.start_main_~i~5 143)] [2018-07-23 13:42:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:01,780 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:42:01,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:42:01,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:42:01,783 INFO L87 Difference]: Start difference. First operand 293 states and 294 transitions. Second operand 146 states. [2018-07-23 13:42:02,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:02,299 INFO L93 Difference]: Finished difference Result 299 states and 301 transitions. [2018-07-23 13:42:02,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:42:02,299 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 292 [2018-07-23 13:42:02,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:02,300 INFO L225 Difference]: With dead ends: 299 [2018-07-23 13:42:02,300 INFO L226 Difference]: Without dead ends: 295 [2018-07-23 13:42:02,301 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 13:42:02,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-07-23 13:42:02,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2018-07-23 13:42:02,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-07-23 13:42:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 296 transitions. [2018-07-23 13:42:02,304 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 296 transitions. Word has length 292 [2018-07-23 13:42:02,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:02,304 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 296 transitions. [2018-07-23 13:42:02,305 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:42:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 296 transitions. [2018-07-23 13:42:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-07-23 13:42:02,306 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:02,306 INFO L357 BasicCegarLoop]: trace histogram [145, 144, 1, 1, 1, 1, 1] [2018-07-23 13:42:02,306 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:02,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1177949819, now seen corresponding path program 144 times [2018-07-23 13:42:02,307 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:03,305 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:03,305 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:42:03,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:03,305 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 13:42:03,305 INFO L185 omatonBuilderFactory]: Interpolants [99585#(<= ULTIMATE.start_main_~i~5 138), 99584#(<= ULTIMATE.start_main_~i~5 137), 99587#(<= ULTIMATE.start_main_~i~5 140), 99586#(<= ULTIMATE.start_main_~i~5 139), 99589#(<= ULTIMATE.start_main_~i~5 142), 99588#(<= ULTIMATE.start_main_~i~5 141), 99591#(<= ULTIMATE.start_main_~i~5 144), 99590#(<= ULTIMATE.start_main_~i~5 143), 99445#true, 99447#(<= ULTIMATE.start_main_~i~5 0), 99446#false, 99449#(<= ULTIMATE.start_main_~i~5 2), 99448#(<= ULTIMATE.start_main_~i~5 1), 99451#(<= ULTIMATE.start_main_~i~5 4), 99450#(<= ULTIMATE.start_main_~i~5 3), 99453#(<= ULTIMATE.start_main_~i~5 6), 99452#(<= ULTIMATE.start_main_~i~5 5), 99455#(<= ULTIMATE.start_main_~i~5 8), 99454#(<= ULTIMATE.start_main_~i~5 7), 99457#(<= ULTIMATE.start_main_~i~5 10), 99456#(<= ULTIMATE.start_main_~i~5 9), 99459#(<= ULTIMATE.start_main_~i~5 12), 99458#(<= ULTIMATE.start_main_~i~5 11), 99461#(<= ULTIMATE.start_main_~i~5 14), 99460#(<= ULTIMATE.start_main_~i~5 13), 99463#(<= ULTIMATE.start_main_~i~5 16), 99462#(<= ULTIMATE.start_main_~i~5 15), 99465#(<= ULTIMATE.start_main_~i~5 18), 99464#(<= ULTIMATE.start_main_~i~5 17), 99467#(<= ULTIMATE.start_main_~i~5 20), 99466#(<= ULTIMATE.start_main_~i~5 19), 99469#(<= ULTIMATE.start_main_~i~5 22), 99468#(<= ULTIMATE.start_main_~i~5 21), 99471#(<= ULTIMATE.start_main_~i~5 24), 99470#(<= ULTIMATE.start_main_~i~5 23), 99473#(<= ULTIMATE.start_main_~i~5 26), 99472#(<= ULTIMATE.start_main_~i~5 25), 99475#(<= ULTIMATE.start_main_~i~5 28), 99474#(<= ULTIMATE.start_main_~i~5 27), 99477#(<= ULTIMATE.start_main_~i~5 30), 99476#(<= ULTIMATE.start_main_~i~5 29), 99479#(<= ULTIMATE.start_main_~i~5 32), 99478#(<= ULTIMATE.start_main_~i~5 31), 99481#(<= ULTIMATE.start_main_~i~5 34), 99480#(<= ULTIMATE.start_main_~i~5 33), 99483#(<= ULTIMATE.start_main_~i~5 36), 99482#(<= ULTIMATE.start_main_~i~5 35), 99485#(<= ULTIMATE.start_main_~i~5 38), 99484#(<= ULTIMATE.start_main_~i~5 37), 99487#(<= ULTIMATE.start_main_~i~5 40), 99486#(<= ULTIMATE.start_main_~i~5 39), 99489#(<= ULTIMATE.start_main_~i~5 42), 99488#(<= ULTIMATE.start_main_~i~5 41), 99491#(<= ULTIMATE.start_main_~i~5 44), 99490#(<= ULTIMATE.start_main_~i~5 43), 99493#(<= ULTIMATE.start_main_~i~5 46), 99492#(<= ULTIMATE.start_main_~i~5 45), 99495#(<= ULTIMATE.start_main_~i~5 48), 99494#(<= ULTIMATE.start_main_~i~5 47), 99497#(<= ULTIMATE.start_main_~i~5 50), 99496#(<= ULTIMATE.start_main_~i~5 49), 99499#(<= ULTIMATE.start_main_~i~5 52), 99498#(<= ULTIMATE.start_main_~i~5 51), 99501#(<= ULTIMATE.start_main_~i~5 54), 99500#(<= ULTIMATE.start_main_~i~5 53), 99503#(<= ULTIMATE.start_main_~i~5 56), 99502#(<= ULTIMATE.start_main_~i~5 55), 99505#(<= ULTIMATE.start_main_~i~5 58), 99504#(<= ULTIMATE.start_main_~i~5 57), 99507#(<= ULTIMATE.start_main_~i~5 60), 99506#(<= ULTIMATE.start_main_~i~5 59), 99509#(<= ULTIMATE.start_main_~i~5 62), 99508#(<= ULTIMATE.start_main_~i~5 61), 99511#(<= ULTIMATE.start_main_~i~5 64), 99510#(<= ULTIMATE.start_main_~i~5 63), 99513#(<= ULTIMATE.start_main_~i~5 66), 99512#(<= ULTIMATE.start_main_~i~5 65), 99515#(<= ULTIMATE.start_main_~i~5 68), 99514#(<= ULTIMATE.start_main_~i~5 67), 99517#(<= ULTIMATE.start_main_~i~5 70), 99516#(<= ULTIMATE.start_main_~i~5 69), 99519#(<= ULTIMATE.start_main_~i~5 72), 99518#(<= ULTIMATE.start_main_~i~5 71), 99521#(<= ULTIMATE.start_main_~i~5 74), 99520#(<= ULTIMATE.start_main_~i~5 73), 99523#(<= ULTIMATE.start_main_~i~5 76), 99522#(<= ULTIMATE.start_main_~i~5 75), 99525#(<= ULTIMATE.start_main_~i~5 78), 99524#(<= ULTIMATE.start_main_~i~5 77), 99527#(<= ULTIMATE.start_main_~i~5 80), 99526#(<= ULTIMATE.start_main_~i~5 79), 99529#(<= ULTIMATE.start_main_~i~5 82), 99528#(<= ULTIMATE.start_main_~i~5 81), 99531#(<= ULTIMATE.start_main_~i~5 84), 99530#(<= ULTIMATE.start_main_~i~5 83), 99533#(<= ULTIMATE.start_main_~i~5 86), 99532#(<= ULTIMATE.start_main_~i~5 85), 99535#(<= ULTIMATE.start_main_~i~5 88), 99534#(<= ULTIMATE.start_main_~i~5 87), 99537#(<= ULTIMATE.start_main_~i~5 90), 99536#(<= ULTIMATE.start_main_~i~5 89), 99539#(<= ULTIMATE.start_main_~i~5 92), 99538#(<= ULTIMATE.start_main_~i~5 91), 99541#(<= ULTIMATE.start_main_~i~5 94), 99540#(<= ULTIMATE.start_main_~i~5 93), 99543#(<= ULTIMATE.start_main_~i~5 96), 99542#(<= ULTIMATE.start_main_~i~5 95), 99545#(<= ULTIMATE.start_main_~i~5 98), 99544#(<= ULTIMATE.start_main_~i~5 97), 99547#(<= ULTIMATE.start_main_~i~5 100), 99546#(<= ULTIMATE.start_main_~i~5 99), 99549#(<= ULTIMATE.start_main_~i~5 102), 99548#(<= ULTIMATE.start_main_~i~5 101), 99551#(<= ULTIMATE.start_main_~i~5 104), 99550#(<= ULTIMATE.start_main_~i~5 103), 99553#(<= ULTIMATE.start_main_~i~5 106), 99552#(<= ULTIMATE.start_main_~i~5 105), 99555#(<= ULTIMATE.start_main_~i~5 108), 99554#(<= ULTIMATE.start_main_~i~5 107), 99557#(<= ULTIMATE.start_main_~i~5 110), 99556#(<= ULTIMATE.start_main_~i~5 109), 99559#(<= ULTIMATE.start_main_~i~5 112), 99558#(<= ULTIMATE.start_main_~i~5 111), 99561#(<= ULTIMATE.start_main_~i~5 114), 99560#(<= ULTIMATE.start_main_~i~5 113), 99563#(<= ULTIMATE.start_main_~i~5 116), 99562#(<= ULTIMATE.start_main_~i~5 115), 99565#(<= ULTIMATE.start_main_~i~5 118), 99564#(<= ULTIMATE.start_main_~i~5 117), 99567#(<= ULTIMATE.start_main_~i~5 120), 99566#(<= ULTIMATE.start_main_~i~5 119), 99569#(<= ULTIMATE.start_main_~i~5 122), 99568#(<= ULTIMATE.start_main_~i~5 121), 99571#(<= ULTIMATE.start_main_~i~5 124), 99570#(<= ULTIMATE.start_main_~i~5 123), 99573#(<= ULTIMATE.start_main_~i~5 126), 99572#(<= ULTIMATE.start_main_~i~5 125), 99575#(<= ULTIMATE.start_main_~i~5 128), 99574#(<= ULTIMATE.start_main_~i~5 127), 99577#(<= ULTIMATE.start_main_~i~5 130), 99576#(<= ULTIMATE.start_main_~i~5 129), 99579#(<= ULTIMATE.start_main_~i~5 132), 99578#(<= ULTIMATE.start_main_~i~5 131), 99581#(<= ULTIMATE.start_main_~i~5 134), 99580#(<= ULTIMATE.start_main_~i~5 133), 99583#(<= ULTIMATE.start_main_~i~5 136), 99582#(<= ULTIMATE.start_main_~i~5 135)] [2018-07-23 13:42:03,306 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:03,306 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:42:03,307 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:42:03,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:42:03,308 INFO L87 Difference]: Start difference. First operand 295 states and 296 transitions. Second operand 147 states. [2018-07-23 13:42:03,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:03,856 INFO L93 Difference]: Finished difference Result 301 states and 303 transitions. [2018-07-23 13:42:03,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:42:03,857 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 294 [2018-07-23 13:42:03,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:03,857 INFO L225 Difference]: With dead ends: 301 [2018-07-23 13:42:03,857 INFO L226 Difference]: Without dead ends: 297 [2018-07-23 13:42:03,858 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:42:03,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-07-23 13:42:03,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2018-07-23 13:42:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-07-23 13:42:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 298 transitions. [2018-07-23 13:42:03,861 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 298 transitions. Word has length 294 [2018-07-23 13:42:03,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:03,862 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 298 transitions. [2018-07-23 13:42:03,862 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:42:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 298 transitions. [2018-07-23 13:42:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-07-23 13:42:03,863 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:03,863 INFO L357 BasicCegarLoop]: trace histogram [146, 145, 1, 1, 1, 1, 1] [2018-07-23 13:42:03,863 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:03,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1945148297, now seen corresponding path program 145 times [2018-07-23 13:42:03,863 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:04,667 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:04,667 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:42:04,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:04,668 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 13:42:04,668 INFO L185 omatonBuilderFactory]: Interpolants [100865#(<= ULTIMATE.start_main_~i~5 75), 100864#(<= ULTIMATE.start_main_~i~5 74), 100867#(<= ULTIMATE.start_main_~i~5 77), 100866#(<= ULTIMATE.start_main_~i~5 76), 100869#(<= ULTIMATE.start_main_~i~5 79), 100868#(<= ULTIMATE.start_main_~i~5 78), 100871#(<= ULTIMATE.start_main_~i~5 81), 100870#(<= ULTIMATE.start_main_~i~5 80), 100873#(<= ULTIMATE.start_main_~i~5 83), 100872#(<= ULTIMATE.start_main_~i~5 82), 100875#(<= ULTIMATE.start_main_~i~5 85), 100874#(<= ULTIMATE.start_main_~i~5 84), 100877#(<= ULTIMATE.start_main_~i~5 87), 100876#(<= ULTIMATE.start_main_~i~5 86), 100879#(<= ULTIMATE.start_main_~i~5 89), 100878#(<= ULTIMATE.start_main_~i~5 88), 100881#(<= ULTIMATE.start_main_~i~5 91), 100880#(<= ULTIMATE.start_main_~i~5 90), 100883#(<= ULTIMATE.start_main_~i~5 93), 100882#(<= ULTIMATE.start_main_~i~5 92), 100885#(<= ULTIMATE.start_main_~i~5 95), 100884#(<= ULTIMATE.start_main_~i~5 94), 100887#(<= ULTIMATE.start_main_~i~5 97), 100886#(<= ULTIMATE.start_main_~i~5 96), 100889#(<= ULTIMATE.start_main_~i~5 99), 100888#(<= ULTIMATE.start_main_~i~5 98), 100891#(<= ULTIMATE.start_main_~i~5 101), 100890#(<= ULTIMATE.start_main_~i~5 100), 100893#(<= ULTIMATE.start_main_~i~5 103), 100892#(<= ULTIMATE.start_main_~i~5 102), 100895#(<= ULTIMATE.start_main_~i~5 105), 100894#(<= ULTIMATE.start_main_~i~5 104), 100897#(<= ULTIMATE.start_main_~i~5 107), 100896#(<= ULTIMATE.start_main_~i~5 106), 100899#(<= ULTIMATE.start_main_~i~5 109), 100898#(<= ULTIMATE.start_main_~i~5 108), 100901#(<= ULTIMATE.start_main_~i~5 111), 100900#(<= ULTIMATE.start_main_~i~5 110), 100903#(<= ULTIMATE.start_main_~i~5 113), 100902#(<= ULTIMATE.start_main_~i~5 112), 100905#(<= ULTIMATE.start_main_~i~5 115), 100904#(<= ULTIMATE.start_main_~i~5 114), 100907#(<= ULTIMATE.start_main_~i~5 117), 100906#(<= ULTIMATE.start_main_~i~5 116), 100909#(<= ULTIMATE.start_main_~i~5 119), 100908#(<= ULTIMATE.start_main_~i~5 118), 100911#(<= ULTIMATE.start_main_~i~5 121), 100910#(<= ULTIMATE.start_main_~i~5 120), 100913#(<= ULTIMATE.start_main_~i~5 123), 100912#(<= ULTIMATE.start_main_~i~5 122), 100915#(<= ULTIMATE.start_main_~i~5 125), 100914#(<= ULTIMATE.start_main_~i~5 124), 100917#(<= ULTIMATE.start_main_~i~5 127), 100916#(<= ULTIMATE.start_main_~i~5 126), 100919#(<= ULTIMATE.start_main_~i~5 129), 100918#(<= ULTIMATE.start_main_~i~5 128), 100921#(<= ULTIMATE.start_main_~i~5 131), 100920#(<= ULTIMATE.start_main_~i~5 130), 100923#(<= ULTIMATE.start_main_~i~5 133), 100922#(<= ULTIMATE.start_main_~i~5 132), 100925#(<= ULTIMATE.start_main_~i~5 135), 100924#(<= ULTIMATE.start_main_~i~5 134), 100927#(<= ULTIMATE.start_main_~i~5 137), 100926#(<= ULTIMATE.start_main_~i~5 136), 100929#(<= ULTIMATE.start_main_~i~5 139), 100928#(<= ULTIMATE.start_main_~i~5 138), 100931#(<= ULTIMATE.start_main_~i~5 141), 100930#(<= ULTIMATE.start_main_~i~5 140), 100933#(<= ULTIMATE.start_main_~i~5 143), 100932#(<= ULTIMATE.start_main_~i~5 142), 100935#(<= ULTIMATE.start_main_~i~5 145), 100934#(<= ULTIMATE.start_main_~i~5 144), 100789#false, 100788#true, 100791#(<= ULTIMATE.start_main_~i~5 1), 100790#(<= ULTIMATE.start_main_~i~5 0), 100793#(<= ULTIMATE.start_main_~i~5 3), 100792#(<= ULTIMATE.start_main_~i~5 2), 100795#(<= ULTIMATE.start_main_~i~5 5), 100794#(<= ULTIMATE.start_main_~i~5 4), 100797#(<= ULTIMATE.start_main_~i~5 7), 100796#(<= ULTIMATE.start_main_~i~5 6), 100799#(<= ULTIMATE.start_main_~i~5 9), 100798#(<= ULTIMATE.start_main_~i~5 8), 100801#(<= ULTIMATE.start_main_~i~5 11), 100800#(<= ULTIMATE.start_main_~i~5 10), 100803#(<= ULTIMATE.start_main_~i~5 13), 100802#(<= ULTIMATE.start_main_~i~5 12), 100805#(<= ULTIMATE.start_main_~i~5 15), 100804#(<= ULTIMATE.start_main_~i~5 14), 100807#(<= ULTIMATE.start_main_~i~5 17), 100806#(<= ULTIMATE.start_main_~i~5 16), 100809#(<= ULTIMATE.start_main_~i~5 19), 100808#(<= ULTIMATE.start_main_~i~5 18), 100811#(<= ULTIMATE.start_main_~i~5 21), 100810#(<= ULTIMATE.start_main_~i~5 20), 100813#(<= ULTIMATE.start_main_~i~5 23), 100812#(<= ULTIMATE.start_main_~i~5 22), 100815#(<= ULTIMATE.start_main_~i~5 25), 100814#(<= ULTIMATE.start_main_~i~5 24), 100817#(<= ULTIMATE.start_main_~i~5 27), 100816#(<= ULTIMATE.start_main_~i~5 26), 100819#(<= ULTIMATE.start_main_~i~5 29), 100818#(<= ULTIMATE.start_main_~i~5 28), 100821#(<= ULTIMATE.start_main_~i~5 31), 100820#(<= ULTIMATE.start_main_~i~5 30), 100823#(<= ULTIMATE.start_main_~i~5 33), 100822#(<= ULTIMATE.start_main_~i~5 32), 100825#(<= ULTIMATE.start_main_~i~5 35), 100824#(<= ULTIMATE.start_main_~i~5 34), 100827#(<= ULTIMATE.start_main_~i~5 37), 100826#(<= ULTIMATE.start_main_~i~5 36), 100829#(<= ULTIMATE.start_main_~i~5 39), 100828#(<= ULTIMATE.start_main_~i~5 38), 100831#(<= ULTIMATE.start_main_~i~5 41), 100830#(<= ULTIMATE.start_main_~i~5 40), 100833#(<= ULTIMATE.start_main_~i~5 43), 100832#(<= ULTIMATE.start_main_~i~5 42), 100835#(<= ULTIMATE.start_main_~i~5 45), 100834#(<= ULTIMATE.start_main_~i~5 44), 100837#(<= ULTIMATE.start_main_~i~5 47), 100836#(<= ULTIMATE.start_main_~i~5 46), 100839#(<= ULTIMATE.start_main_~i~5 49), 100838#(<= ULTIMATE.start_main_~i~5 48), 100841#(<= ULTIMATE.start_main_~i~5 51), 100840#(<= ULTIMATE.start_main_~i~5 50), 100843#(<= ULTIMATE.start_main_~i~5 53), 100842#(<= ULTIMATE.start_main_~i~5 52), 100845#(<= ULTIMATE.start_main_~i~5 55), 100844#(<= ULTIMATE.start_main_~i~5 54), 100847#(<= ULTIMATE.start_main_~i~5 57), 100846#(<= ULTIMATE.start_main_~i~5 56), 100849#(<= ULTIMATE.start_main_~i~5 59), 100848#(<= ULTIMATE.start_main_~i~5 58), 100851#(<= ULTIMATE.start_main_~i~5 61), 100850#(<= ULTIMATE.start_main_~i~5 60), 100853#(<= ULTIMATE.start_main_~i~5 63), 100852#(<= ULTIMATE.start_main_~i~5 62), 100855#(<= ULTIMATE.start_main_~i~5 65), 100854#(<= ULTIMATE.start_main_~i~5 64), 100857#(<= ULTIMATE.start_main_~i~5 67), 100856#(<= ULTIMATE.start_main_~i~5 66), 100859#(<= ULTIMATE.start_main_~i~5 69), 100858#(<= ULTIMATE.start_main_~i~5 68), 100861#(<= ULTIMATE.start_main_~i~5 71), 100860#(<= ULTIMATE.start_main_~i~5 70), 100863#(<= ULTIMATE.start_main_~i~5 73), 100862#(<= ULTIMATE.start_main_~i~5 72)] [2018-07-23 13:42:04,669 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:04,670 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:42:04,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:42:04,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:42:04,672 INFO L87 Difference]: Start difference. First operand 297 states and 298 transitions. Second operand 148 states. [2018-07-23 13:42:04,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:04,988 INFO L93 Difference]: Finished difference Result 303 states and 305 transitions. [2018-07-23 13:42:04,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:42:04,988 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 296 [2018-07-23 13:42:04,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:04,989 INFO L225 Difference]: With dead ends: 303 [2018-07-23 13:42:04,989 INFO L226 Difference]: Without dead ends: 299 [2018-07-23 13:42:04,992 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 13:42:04,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-07-23 13:42:04,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2018-07-23 13:42:04,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-07-23 13:42:04,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 300 transitions. [2018-07-23 13:42:04,997 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 300 transitions. Word has length 296 [2018-07-23 13:42:04,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:04,998 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 300 transitions. [2018-07-23 13:42:04,998 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:42:04,998 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 300 transitions. [2018-07-23 13:42:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-07-23 13:42:04,999 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:04,999 INFO L357 BasicCegarLoop]: trace histogram [147, 146, 1, 1, 1, 1, 1] [2018-07-23 13:42:04,999 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:04,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1060297869, now seen corresponding path program 146 times [2018-07-23 13:42:05,000 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:05,953 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:05,953 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:42:05,953 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:05,953 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 13:42:05,954 INFO L185 omatonBuilderFactory]: Interpolants [102145#(<= ULTIMATE.start_main_~i~5 3), 102144#(<= ULTIMATE.start_main_~i~5 2), 102147#(<= ULTIMATE.start_main_~i~5 5), 102146#(<= ULTIMATE.start_main_~i~5 4), 102149#(<= ULTIMATE.start_main_~i~5 7), 102148#(<= ULTIMATE.start_main_~i~5 6), 102151#(<= ULTIMATE.start_main_~i~5 9), 102150#(<= ULTIMATE.start_main_~i~5 8), 102153#(<= ULTIMATE.start_main_~i~5 11), 102152#(<= ULTIMATE.start_main_~i~5 10), 102155#(<= ULTIMATE.start_main_~i~5 13), 102154#(<= ULTIMATE.start_main_~i~5 12), 102157#(<= ULTIMATE.start_main_~i~5 15), 102156#(<= ULTIMATE.start_main_~i~5 14), 102159#(<= ULTIMATE.start_main_~i~5 17), 102158#(<= ULTIMATE.start_main_~i~5 16), 102161#(<= ULTIMATE.start_main_~i~5 19), 102160#(<= ULTIMATE.start_main_~i~5 18), 102163#(<= ULTIMATE.start_main_~i~5 21), 102162#(<= ULTIMATE.start_main_~i~5 20), 102165#(<= ULTIMATE.start_main_~i~5 23), 102164#(<= ULTIMATE.start_main_~i~5 22), 102167#(<= ULTIMATE.start_main_~i~5 25), 102166#(<= ULTIMATE.start_main_~i~5 24), 102169#(<= ULTIMATE.start_main_~i~5 27), 102168#(<= ULTIMATE.start_main_~i~5 26), 102171#(<= ULTIMATE.start_main_~i~5 29), 102170#(<= ULTIMATE.start_main_~i~5 28), 102173#(<= ULTIMATE.start_main_~i~5 31), 102172#(<= ULTIMATE.start_main_~i~5 30), 102175#(<= ULTIMATE.start_main_~i~5 33), 102174#(<= ULTIMATE.start_main_~i~5 32), 102177#(<= ULTIMATE.start_main_~i~5 35), 102176#(<= ULTIMATE.start_main_~i~5 34), 102179#(<= ULTIMATE.start_main_~i~5 37), 102178#(<= ULTIMATE.start_main_~i~5 36), 102181#(<= ULTIMATE.start_main_~i~5 39), 102180#(<= ULTIMATE.start_main_~i~5 38), 102183#(<= ULTIMATE.start_main_~i~5 41), 102182#(<= ULTIMATE.start_main_~i~5 40), 102185#(<= ULTIMATE.start_main_~i~5 43), 102184#(<= ULTIMATE.start_main_~i~5 42), 102187#(<= ULTIMATE.start_main_~i~5 45), 102186#(<= ULTIMATE.start_main_~i~5 44), 102189#(<= ULTIMATE.start_main_~i~5 47), 102188#(<= ULTIMATE.start_main_~i~5 46), 102191#(<= ULTIMATE.start_main_~i~5 49), 102190#(<= ULTIMATE.start_main_~i~5 48), 102193#(<= ULTIMATE.start_main_~i~5 51), 102192#(<= ULTIMATE.start_main_~i~5 50), 102195#(<= ULTIMATE.start_main_~i~5 53), 102194#(<= ULTIMATE.start_main_~i~5 52), 102197#(<= ULTIMATE.start_main_~i~5 55), 102196#(<= ULTIMATE.start_main_~i~5 54), 102199#(<= ULTIMATE.start_main_~i~5 57), 102198#(<= ULTIMATE.start_main_~i~5 56), 102201#(<= ULTIMATE.start_main_~i~5 59), 102200#(<= ULTIMATE.start_main_~i~5 58), 102203#(<= ULTIMATE.start_main_~i~5 61), 102202#(<= ULTIMATE.start_main_~i~5 60), 102205#(<= ULTIMATE.start_main_~i~5 63), 102204#(<= ULTIMATE.start_main_~i~5 62), 102207#(<= ULTIMATE.start_main_~i~5 65), 102206#(<= ULTIMATE.start_main_~i~5 64), 102209#(<= ULTIMATE.start_main_~i~5 67), 102208#(<= ULTIMATE.start_main_~i~5 66), 102211#(<= ULTIMATE.start_main_~i~5 69), 102210#(<= ULTIMATE.start_main_~i~5 68), 102213#(<= ULTIMATE.start_main_~i~5 71), 102212#(<= ULTIMATE.start_main_~i~5 70), 102215#(<= ULTIMATE.start_main_~i~5 73), 102214#(<= ULTIMATE.start_main_~i~5 72), 102217#(<= ULTIMATE.start_main_~i~5 75), 102216#(<= ULTIMATE.start_main_~i~5 74), 102219#(<= ULTIMATE.start_main_~i~5 77), 102218#(<= ULTIMATE.start_main_~i~5 76), 102221#(<= ULTIMATE.start_main_~i~5 79), 102220#(<= ULTIMATE.start_main_~i~5 78), 102223#(<= ULTIMATE.start_main_~i~5 81), 102222#(<= ULTIMATE.start_main_~i~5 80), 102225#(<= ULTIMATE.start_main_~i~5 83), 102224#(<= ULTIMATE.start_main_~i~5 82), 102227#(<= ULTIMATE.start_main_~i~5 85), 102226#(<= ULTIMATE.start_main_~i~5 84), 102229#(<= ULTIMATE.start_main_~i~5 87), 102228#(<= ULTIMATE.start_main_~i~5 86), 102231#(<= ULTIMATE.start_main_~i~5 89), 102230#(<= ULTIMATE.start_main_~i~5 88), 102233#(<= ULTIMATE.start_main_~i~5 91), 102232#(<= ULTIMATE.start_main_~i~5 90), 102235#(<= ULTIMATE.start_main_~i~5 93), 102234#(<= ULTIMATE.start_main_~i~5 92), 102237#(<= ULTIMATE.start_main_~i~5 95), 102236#(<= ULTIMATE.start_main_~i~5 94), 102239#(<= ULTIMATE.start_main_~i~5 97), 102238#(<= ULTIMATE.start_main_~i~5 96), 102241#(<= ULTIMATE.start_main_~i~5 99), 102240#(<= ULTIMATE.start_main_~i~5 98), 102243#(<= ULTIMATE.start_main_~i~5 101), 102242#(<= ULTIMATE.start_main_~i~5 100), 102245#(<= ULTIMATE.start_main_~i~5 103), 102244#(<= ULTIMATE.start_main_~i~5 102), 102247#(<= ULTIMATE.start_main_~i~5 105), 102246#(<= ULTIMATE.start_main_~i~5 104), 102249#(<= ULTIMATE.start_main_~i~5 107), 102248#(<= ULTIMATE.start_main_~i~5 106), 102251#(<= ULTIMATE.start_main_~i~5 109), 102250#(<= ULTIMATE.start_main_~i~5 108), 102253#(<= ULTIMATE.start_main_~i~5 111), 102252#(<= ULTIMATE.start_main_~i~5 110), 102255#(<= ULTIMATE.start_main_~i~5 113), 102254#(<= ULTIMATE.start_main_~i~5 112), 102257#(<= ULTIMATE.start_main_~i~5 115), 102256#(<= ULTIMATE.start_main_~i~5 114), 102259#(<= ULTIMATE.start_main_~i~5 117), 102258#(<= ULTIMATE.start_main_~i~5 116), 102261#(<= ULTIMATE.start_main_~i~5 119), 102260#(<= ULTIMATE.start_main_~i~5 118), 102263#(<= ULTIMATE.start_main_~i~5 121), 102262#(<= ULTIMATE.start_main_~i~5 120), 102265#(<= ULTIMATE.start_main_~i~5 123), 102264#(<= ULTIMATE.start_main_~i~5 122), 102267#(<= ULTIMATE.start_main_~i~5 125), 102266#(<= ULTIMATE.start_main_~i~5 124), 102269#(<= ULTIMATE.start_main_~i~5 127), 102268#(<= ULTIMATE.start_main_~i~5 126), 102271#(<= ULTIMATE.start_main_~i~5 129), 102270#(<= ULTIMATE.start_main_~i~5 128), 102273#(<= ULTIMATE.start_main_~i~5 131), 102272#(<= ULTIMATE.start_main_~i~5 130), 102275#(<= ULTIMATE.start_main_~i~5 133), 102274#(<= ULTIMATE.start_main_~i~5 132), 102277#(<= ULTIMATE.start_main_~i~5 135), 102276#(<= ULTIMATE.start_main_~i~5 134), 102279#(<= ULTIMATE.start_main_~i~5 137), 102278#(<= ULTIMATE.start_main_~i~5 136), 102281#(<= ULTIMATE.start_main_~i~5 139), 102280#(<= ULTIMATE.start_main_~i~5 138), 102283#(<= ULTIMATE.start_main_~i~5 141), 102282#(<= ULTIMATE.start_main_~i~5 140), 102285#(<= ULTIMATE.start_main_~i~5 143), 102284#(<= ULTIMATE.start_main_~i~5 142), 102287#(<= ULTIMATE.start_main_~i~5 145), 102286#(<= ULTIMATE.start_main_~i~5 144), 102288#(<= ULTIMATE.start_main_~i~5 146), 102141#false, 102140#true, 102143#(<= ULTIMATE.start_main_~i~5 1), 102142#(<= ULTIMATE.start_main_~i~5 0)] [2018-07-23 13:42:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:05,955 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:42:05,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:42:05,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:42:05,957 INFO L87 Difference]: Start difference. First operand 299 states and 300 transitions. Second operand 149 states. [2018-07-23 13:42:06,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:06,749 INFO L93 Difference]: Finished difference Result 305 states and 307 transitions. [2018-07-23 13:42:06,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:42:06,750 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 298 [2018-07-23 13:42:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:06,751 INFO L225 Difference]: With dead ends: 305 [2018-07-23 13:42:06,751 INFO L226 Difference]: Without dead ends: 301 [2018-07-23 13:42:06,753 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 13:42:06,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-07-23 13:42:06,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-07-23 13:42:06,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-07-23 13:42:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 302 transitions. [2018-07-23 13:42:06,757 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 302 transitions. Word has length 298 [2018-07-23 13:42:06,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:06,758 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 302 transitions. [2018-07-23 13:42:06,758 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:42:06,758 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 302 transitions. [2018-07-23 13:42:06,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-07-23 13:42:06,759 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:06,759 INFO L357 BasicCegarLoop]: trace histogram [148, 147, 1, 1, 1, 1, 1] [2018-07-23 13:42:06,760 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:06,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1122561169, now seen corresponding path program 147 times [2018-07-23 13:42:06,760 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,744 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:07,744 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:42:07,744 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:07,744 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 13:42:07,745 INFO L185 omatonBuilderFactory]: Interpolants [103501#true, 103503#(<= ULTIMATE.start_main_~i~5 0), 103502#false, 103505#(<= ULTIMATE.start_main_~i~5 2), 103504#(<= ULTIMATE.start_main_~i~5 1), 103507#(<= ULTIMATE.start_main_~i~5 4), 103506#(<= ULTIMATE.start_main_~i~5 3), 103509#(<= ULTIMATE.start_main_~i~5 6), 103508#(<= ULTIMATE.start_main_~i~5 5), 103511#(<= ULTIMATE.start_main_~i~5 8), 103510#(<= ULTIMATE.start_main_~i~5 7), 103513#(<= ULTIMATE.start_main_~i~5 10), 103512#(<= ULTIMATE.start_main_~i~5 9), 103515#(<= ULTIMATE.start_main_~i~5 12), 103514#(<= ULTIMATE.start_main_~i~5 11), 103517#(<= ULTIMATE.start_main_~i~5 14), 103516#(<= ULTIMATE.start_main_~i~5 13), 103519#(<= ULTIMATE.start_main_~i~5 16), 103518#(<= ULTIMATE.start_main_~i~5 15), 103521#(<= ULTIMATE.start_main_~i~5 18), 103520#(<= ULTIMATE.start_main_~i~5 17), 103523#(<= ULTIMATE.start_main_~i~5 20), 103522#(<= ULTIMATE.start_main_~i~5 19), 103525#(<= ULTIMATE.start_main_~i~5 22), 103524#(<= ULTIMATE.start_main_~i~5 21), 103527#(<= ULTIMATE.start_main_~i~5 24), 103526#(<= ULTIMATE.start_main_~i~5 23), 103529#(<= ULTIMATE.start_main_~i~5 26), 103528#(<= ULTIMATE.start_main_~i~5 25), 103531#(<= ULTIMATE.start_main_~i~5 28), 103530#(<= ULTIMATE.start_main_~i~5 27), 103533#(<= ULTIMATE.start_main_~i~5 30), 103532#(<= ULTIMATE.start_main_~i~5 29), 103535#(<= ULTIMATE.start_main_~i~5 32), 103534#(<= ULTIMATE.start_main_~i~5 31), 103537#(<= ULTIMATE.start_main_~i~5 34), 103536#(<= ULTIMATE.start_main_~i~5 33), 103539#(<= ULTIMATE.start_main_~i~5 36), 103538#(<= ULTIMATE.start_main_~i~5 35), 103541#(<= ULTIMATE.start_main_~i~5 38), 103540#(<= ULTIMATE.start_main_~i~5 37), 103543#(<= ULTIMATE.start_main_~i~5 40), 103542#(<= ULTIMATE.start_main_~i~5 39), 103545#(<= ULTIMATE.start_main_~i~5 42), 103544#(<= ULTIMATE.start_main_~i~5 41), 103547#(<= ULTIMATE.start_main_~i~5 44), 103546#(<= ULTIMATE.start_main_~i~5 43), 103549#(<= ULTIMATE.start_main_~i~5 46), 103548#(<= ULTIMATE.start_main_~i~5 45), 103551#(<= ULTIMATE.start_main_~i~5 48), 103550#(<= ULTIMATE.start_main_~i~5 47), 103553#(<= ULTIMATE.start_main_~i~5 50), 103552#(<= ULTIMATE.start_main_~i~5 49), 103555#(<= ULTIMATE.start_main_~i~5 52), 103554#(<= ULTIMATE.start_main_~i~5 51), 103557#(<= ULTIMATE.start_main_~i~5 54), 103556#(<= ULTIMATE.start_main_~i~5 53), 103559#(<= ULTIMATE.start_main_~i~5 56), 103558#(<= ULTIMATE.start_main_~i~5 55), 103561#(<= ULTIMATE.start_main_~i~5 58), 103560#(<= ULTIMATE.start_main_~i~5 57), 103563#(<= ULTIMATE.start_main_~i~5 60), 103562#(<= ULTIMATE.start_main_~i~5 59), 103565#(<= ULTIMATE.start_main_~i~5 62), 103564#(<= ULTIMATE.start_main_~i~5 61), 103567#(<= ULTIMATE.start_main_~i~5 64), 103566#(<= ULTIMATE.start_main_~i~5 63), 103569#(<= ULTIMATE.start_main_~i~5 66), 103568#(<= ULTIMATE.start_main_~i~5 65), 103571#(<= ULTIMATE.start_main_~i~5 68), 103570#(<= ULTIMATE.start_main_~i~5 67), 103573#(<= ULTIMATE.start_main_~i~5 70), 103572#(<= ULTIMATE.start_main_~i~5 69), 103575#(<= ULTIMATE.start_main_~i~5 72), 103574#(<= ULTIMATE.start_main_~i~5 71), 103577#(<= ULTIMATE.start_main_~i~5 74), 103576#(<= ULTIMATE.start_main_~i~5 73), 103579#(<= ULTIMATE.start_main_~i~5 76), 103578#(<= ULTIMATE.start_main_~i~5 75), 103581#(<= ULTIMATE.start_main_~i~5 78), 103580#(<= ULTIMATE.start_main_~i~5 77), 103583#(<= ULTIMATE.start_main_~i~5 80), 103582#(<= ULTIMATE.start_main_~i~5 79), 103585#(<= ULTIMATE.start_main_~i~5 82), 103584#(<= ULTIMATE.start_main_~i~5 81), 103587#(<= ULTIMATE.start_main_~i~5 84), 103586#(<= ULTIMATE.start_main_~i~5 83), 103589#(<= ULTIMATE.start_main_~i~5 86), 103588#(<= ULTIMATE.start_main_~i~5 85), 103591#(<= ULTIMATE.start_main_~i~5 88), 103590#(<= ULTIMATE.start_main_~i~5 87), 103593#(<= ULTIMATE.start_main_~i~5 90), 103592#(<= ULTIMATE.start_main_~i~5 89), 103595#(<= ULTIMATE.start_main_~i~5 92), 103594#(<= ULTIMATE.start_main_~i~5 91), 103597#(<= ULTIMATE.start_main_~i~5 94), 103596#(<= ULTIMATE.start_main_~i~5 93), 103599#(<= ULTIMATE.start_main_~i~5 96), 103598#(<= ULTIMATE.start_main_~i~5 95), 103601#(<= ULTIMATE.start_main_~i~5 98), 103600#(<= ULTIMATE.start_main_~i~5 97), 103603#(<= ULTIMATE.start_main_~i~5 100), 103602#(<= ULTIMATE.start_main_~i~5 99), 103605#(<= ULTIMATE.start_main_~i~5 102), 103604#(<= ULTIMATE.start_main_~i~5 101), 103607#(<= ULTIMATE.start_main_~i~5 104), 103606#(<= ULTIMATE.start_main_~i~5 103), 103609#(<= ULTIMATE.start_main_~i~5 106), 103608#(<= ULTIMATE.start_main_~i~5 105), 103611#(<= ULTIMATE.start_main_~i~5 108), 103610#(<= ULTIMATE.start_main_~i~5 107), 103613#(<= ULTIMATE.start_main_~i~5 110), 103612#(<= ULTIMATE.start_main_~i~5 109), 103615#(<= ULTIMATE.start_main_~i~5 112), 103614#(<= ULTIMATE.start_main_~i~5 111), 103617#(<= ULTIMATE.start_main_~i~5 114), 103616#(<= ULTIMATE.start_main_~i~5 113), 103619#(<= ULTIMATE.start_main_~i~5 116), 103618#(<= ULTIMATE.start_main_~i~5 115), 103621#(<= ULTIMATE.start_main_~i~5 118), 103620#(<= ULTIMATE.start_main_~i~5 117), 103623#(<= ULTIMATE.start_main_~i~5 120), 103622#(<= ULTIMATE.start_main_~i~5 119), 103625#(<= ULTIMATE.start_main_~i~5 122), 103624#(<= ULTIMATE.start_main_~i~5 121), 103627#(<= ULTIMATE.start_main_~i~5 124), 103626#(<= ULTIMATE.start_main_~i~5 123), 103629#(<= ULTIMATE.start_main_~i~5 126), 103628#(<= ULTIMATE.start_main_~i~5 125), 103631#(<= ULTIMATE.start_main_~i~5 128), 103630#(<= ULTIMATE.start_main_~i~5 127), 103633#(<= ULTIMATE.start_main_~i~5 130), 103632#(<= ULTIMATE.start_main_~i~5 129), 103635#(<= ULTIMATE.start_main_~i~5 132), 103634#(<= ULTIMATE.start_main_~i~5 131), 103637#(<= ULTIMATE.start_main_~i~5 134), 103636#(<= ULTIMATE.start_main_~i~5 133), 103639#(<= ULTIMATE.start_main_~i~5 136), 103638#(<= ULTIMATE.start_main_~i~5 135), 103641#(<= ULTIMATE.start_main_~i~5 138), 103640#(<= ULTIMATE.start_main_~i~5 137), 103643#(<= ULTIMATE.start_main_~i~5 140), 103642#(<= ULTIMATE.start_main_~i~5 139), 103645#(<= ULTIMATE.start_main_~i~5 142), 103644#(<= ULTIMATE.start_main_~i~5 141), 103647#(<= ULTIMATE.start_main_~i~5 144), 103646#(<= ULTIMATE.start_main_~i~5 143), 103649#(<= ULTIMATE.start_main_~i~5 146), 103648#(<= ULTIMATE.start_main_~i~5 145), 103650#(<= ULTIMATE.start_main_~i~5 147)] [2018-07-23 13:42:07,746 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,746 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:42:07,748 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:42:07,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:42:07,749 INFO L87 Difference]: Start difference. First operand 301 states and 302 transitions. Second operand 150 states. [2018-07-23 13:42:08,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:08,305 INFO L93 Difference]: Finished difference Result 307 states and 309 transitions. [2018-07-23 13:42:08,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:42:08,305 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 300 [2018-07-23 13:42:08,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:08,306 INFO L225 Difference]: With dead ends: 307 [2018-07-23 13:42:08,306 INFO L226 Difference]: Without dead ends: 303 [2018-07-23 13:42:08,308 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 13:42:08,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-07-23 13:42:08,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2018-07-23 13:42:08,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-07-23 13:42:08,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 304 transitions. [2018-07-23 13:42:08,311 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 304 transitions. Word has length 300 [2018-07-23 13:42:08,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:08,312 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 304 transitions. [2018-07-23 13:42:08,312 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:42:08,312 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 304 transitions. [2018-07-23 13:42:08,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-07-23 13:42:08,313 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:08,313 INFO L357 BasicCegarLoop]: trace histogram [149, 148, 1, 1, 1, 1, 1] [2018-07-23 13:42:08,313 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:08,313 INFO L82 PathProgramCache]: Analyzing trace with hash -828050325, now seen corresponding path program 148 times [2018-07-23 13:42:08,313 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:09,219 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:09,219 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:42:09,219 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:09,220 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 13:42:09,220 INFO L185 omatonBuilderFactory]: Interpolants [104961#(<= ULTIMATE.start_main_~i~5 88), 104960#(<= ULTIMATE.start_main_~i~5 87), 104963#(<= ULTIMATE.start_main_~i~5 90), 104962#(<= ULTIMATE.start_main_~i~5 89), 104965#(<= ULTIMATE.start_main_~i~5 92), 104964#(<= ULTIMATE.start_main_~i~5 91), 104967#(<= ULTIMATE.start_main_~i~5 94), 104966#(<= ULTIMATE.start_main_~i~5 93), 104969#(<= ULTIMATE.start_main_~i~5 96), 104968#(<= ULTIMATE.start_main_~i~5 95), 104971#(<= ULTIMATE.start_main_~i~5 98), 104970#(<= ULTIMATE.start_main_~i~5 97), 104973#(<= ULTIMATE.start_main_~i~5 100), 104972#(<= ULTIMATE.start_main_~i~5 99), 104975#(<= ULTIMATE.start_main_~i~5 102), 104974#(<= ULTIMATE.start_main_~i~5 101), 104977#(<= ULTIMATE.start_main_~i~5 104), 104976#(<= ULTIMATE.start_main_~i~5 103), 104979#(<= ULTIMATE.start_main_~i~5 106), 104978#(<= ULTIMATE.start_main_~i~5 105), 104981#(<= ULTIMATE.start_main_~i~5 108), 104980#(<= ULTIMATE.start_main_~i~5 107), 104983#(<= ULTIMATE.start_main_~i~5 110), 104982#(<= ULTIMATE.start_main_~i~5 109), 104985#(<= ULTIMATE.start_main_~i~5 112), 104984#(<= ULTIMATE.start_main_~i~5 111), 104987#(<= ULTIMATE.start_main_~i~5 114), 104986#(<= ULTIMATE.start_main_~i~5 113), 104989#(<= ULTIMATE.start_main_~i~5 116), 104988#(<= ULTIMATE.start_main_~i~5 115), 104991#(<= ULTIMATE.start_main_~i~5 118), 104990#(<= ULTIMATE.start_main_~i~5 117), 104993#(<= ULTIMATE.start_main_~i~5 120), 104992#(<= ULTIMATE.start_main_~i~5 119), 104995#(<= ULTIMATE.start_main_~i~5 122), 104994#(<= ULTIMATE.start_main_~i~5 121), 104997#(<= ULTIMATE.start_main_~i~5 124), 104996#(<= ULTIMATE.start_main_~i~5 123), 104999#(<= ULTIMATE.start_main_~i~5 126), 104998#(<= ULTIMATE.start_main_~i~5 125), 105001#(<= ULTIMATE.start_main_~i~5 128), 105000#(<= ULTIMATE.start_main_~i~5 127), 105003#(<= ULTIMATE.start_main_~i~5 130), 105002#(<= ULTIMATE.start_main_~i~5 129), 105005#(<= ULTIMATE.start_main_~i~5 132), 105004#(<= ULTIMATE.start_main_~i~5 131), 105007#(<= ULTIMATE.start_main_~i~5 134), 105006#(<= ULTIMATE.start_main_~i~5 133), 105009#(<= ULTIMATE.start_main_~i~5 136), 105008#(<= ULTIMATE.start_main_~i~5 135), 105011#(<= ULTIMATE.start_main_~i~5 138), 105010#(<= ULTIMATE.start_main_~i~5 137), 105013#(<= ULTIMATE.start_main_~i~5 140), 105012#(<= ULTIMATE.start_main_~i~5 139), 105015#(<= ULTIMATE.start_main_~i~5 142), 105014#(<= ULTIMATE.start_main_~i~5 141), 105017#(<= ULTIMATE.start_main_~i~5 144), 105016#(<= ULTIMATE.start_main_~i~5 143), 105019#(<= ULTIMATE.start_main_~i~5 146), 105018#(<= ULTIMATE.start_main_~i~5 145), 105021#(<= ULTIMATE.start_main_~i~5 148), 105020#(<= ULTIMATE.start_main_~i~5 147), 104871#true, 104873#(<= ULTIMATE.start_main_~i~5 0), 104872#false, 104875#(<= ULTIMATE.start_main_~i~5 2), 104874#(<= ULTIMATE.start_main_~i~5 1), 104877#(<= ULTIMATE.start_main_~i~5 4), 104876#(<= ULTIMATE.start_main_~i~5 3), 104879#(<= ULTIMATE.start_main_~i~5 6), 104878#(<= ULTIMATE.start_main_~i~5 5), 104881#(<= ULTIMATE.start_main_~i~5 8), 104880#(<= ULTIMATE.start_main_~i~5 7), 104883#(<= ULTIMATE.start_main_~i~5 10), 104882#(<= ULTIMATE.start_main_~i~5 9), 104885#(<= ULTIMATE.start_main_~i~5 12), 104884#(<= ULTIMATE.start_main_~i~5 11), 104887#(<= ULTIMATE.start_main_~i~5 14), 104886#(<= ULTIMATE.start_main_~i~5 13), 104889#(<= ULTIMATE.start_main_~i~5 16), 104888#(<= ULTIMATE.start_main_~i~5 15), 104891#(<= ULTIMATE.start_main_~i~5 18), 104890#(<= ULTIMATE.start_main_~i~5 17), 104893#(<= ULTIMATE.start_main_~i~5 20), 104892#(<= ULTIMATE.start_main_~i~5 19), 104895#(<= ULTIMATE.start_main_~i~5 22), 104894#(<= ULTIMATE.start_main_~i~5 21), 104897#(<= ULTIMATE.start_main_~i~5 24), 104896#(<= ULTIMATE.start_main_~i~5 23), 104899#(<= ULTIMATE.start_main_~i~5 26), 104898#(<= ULTIMATE.start_main_~i~5 25), 104901#(<= ULTIMATE.start_main_~i~5 28), 104900#(<= ULTIMATE.start_main_~i~5 27), 104903#(<= ULTIMATE.start_main_~i~5 30), 104902#(<= ULTIMATE.start_main_~i~5 29), 104905#(<= ULTIMATE.start_main_~i~5 32), 104904#(<= ULTIMATE.start_main_~i~5 31), 104907#(<= ULTIMATE.start_main_~i~5 34), 104906#(<= ULTIMATE.start_main_~i~5 33), 104909#(<= ULTIMATE.start_main_~i~5 36), 104908#(<= ULTIMATE.start_main_~i~5 35), 104911#(<= ULTIMATE.start_main_~i~5 38), 104910#(<= ULTIMATE.start_main_~i~5 37), 104913#(<= ULTIMATE.start_main_~i~5 40), 104912#(<= ULTIMATE.start_main_~i~5 39), 104915#(<= ULTIMATE.start_main_~i~5 42), 104914#(<= ULTIMATE.start_main_~i~5 41), 104917#(<= ULTIMATE.start_main_~i~5 44), 104916#(<= ULTIMATE.start_main_~i~5 43), 104919#(<= ULTIMATE.start_main_~i~5 46), 104918#(<= ULTIMATE.start_main_~i~5 45), 104921#(<= ULTIMATE.start_main_~i~5 48), 104920#(<= ULTIMATE.start_main_~i~5 47), 104923#(<= ULTIMATE.start_main_~i~5 50), 104922#(<= ULTIMATE.start_main_~i~5 49), 104925#(<= ULTIMATE.start_main_~i~5 52), 104924#(<= ULTIMATE.start_main_~i~5 51), 104927#(<= ULTIMATE.start_main_~i~5 54), 104926#(<= ULTIMATE.start_main_~i~5 53), 104929#(<= ULTIMATE.start_main_~i~5 56), 104928#(<= ULTIMATE.start_main_~i~5 55), 104931#(<= ULTIMATE.start_main_~i~5 58), 104930#(<= ULTIMATE.start_main_~i~5 57), 104933#(<= ULTIMATE.start_main_~i~5 60), 104932#(<= ULTIMATE.start_main_~i~5 59), 104935#(<= ULTIMATE.start_main_~i~5 62), 104934#(<= ULTIMATE.start_main_~i~5 61), 104937#(<= ULTIMATE.start_main_~i~5 64), 104936#(<= ULTIMATE.start_main_~i~5 63), 104939#(<= ULTIMATE.start_main_~i~5 66), 104938#(<= ULTIMATE.start_main_~i~5 65), 104941#(<= ULTIMATE.start_main_~i~5 68), 104940#(<= ULTIMATE.start_main_~i~5 67), 104943#(<= ULTIMATE.start_main_~i~5 70), 104942#(<= ULTIMATE.start_main_~i~5 69), 104945#(<= ULTIMATE.start_main_~i~5 72), 104944#(<= ULTIMATE.start_main_~i~5 71), 104947#(<= ULTIMATE.start_main_~i~5 74), 104946#(<= ULTIMATE.start_main_~i~5 73), 104949#(<= ULTIMATE.start_main_~i~5 76), 104948#(<= ULTIMATE.start_main_~i~5 75), 104951#(<= ULTIMATE.start_main_~i~5 78), 104950#(<= ULTIMATE.start_main_~i~5 77), 104953#(<= ULTIMATE.start_main_~i~5 80), 104952#(<= ULTIMATE.start_main_~i~5 79), 104955#(<= ULTIMATE.start_main_~i~5 82), 104954#(<= ULTIMATE.start_main_~i~5 81), 104957#(<= ULTIMATE.start_main_~i~5 84), 104956#(<= ULTIMATE.start_main_~i~5 83), 104959#(<= ULTIMATE.start_main_~i~5 86), 104958#(<= ULTIMATE.start_main_~i~5 85)] [2018-07-23 13:42:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:09,221 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:42:09,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:42:09,224 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:42:09,224 INFO L87 Difference]: Start difference. First operand 303 states and 304 transitions. Second operand 151 states. [2018-07-23 13:42:09,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:09,469 INFO L93 Difference]: Finished difference Result 309 states and 311 transitions. [2018-07-23 13:42:09,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:42:09,469 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 302 [2018-07-23 13:42:09,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:09,470 INFO L225 Difference]: With dead ends: 309 [2018-07-23 13:42:09,470 INFO L226 Difference]: Without dead ends: 305 [2018-07-23 13:42:09,471 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:42:09,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-07-23 13:42:09,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2018-07-23 13:42:09,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-07-23 13:42:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 306 transitions. [2018-07-23 13:42:09,475 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 306 transitions. Word has length 302 [2018-07-23 13:42:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:09,475 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 306 transitions. [2018-07-23 13:42:09,475 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:42:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 306 transitions. [2018-07-23 13:42:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-07-23 13:42:09,476 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:09,476 INFO L357 BasicCegarLoop]: trace histogram [150, 149, 1, 1, 1, 1, 1] [2018-07-23 13:42:09,476 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:09,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1270970777, now seen corresponding path program 149 times [2018-07-23 13:42:09,476 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:10,368 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:10,368 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:42:10,369 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:10,369 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 13:42:10,369 INFO L185 omatonBuilderFactory]: Interpolants [106251#false, 106250#true, 106253#(<= ULTIMATE.start_main_~i~5 1), 106252#(<= ULTIMATE.start_main_~i~5 0), 106255#(<= ULTIMATE.start_main_~i~5 3), 106254#(<= ULTIMATE.start_main_~i~5 2), 106257#(<= ULTIMATE.start_main_~i~5 5), 106256#(<= ULTIMATE.start_main_~i~5 4), 106259#(<= ULTIMATE.start_main_~i~5 7), 106258#(<= ULTIMATE.start_main_~i~5 6), 106261#(<= ULTIMATE.start_main_~i~5 9), 106260#(<= ULTIMATE.start_main_~i~5 8), 106263#(<= ULTIMATE.start_main_~i~5 11), 106262#(<= ULTIMATE.start_main_~i~5 10), 106265#(<= ULTIMATE.start_main_~i~5 13), 106264#(<= ULTIMATE.start_main_~i~5 12), 106267#(<= ULTIMATE.start_main_~i~5 15), 106266#(<= ULTIMATE.start_main_~i~5 14), 106269#(<= ULTIMATE.start_main_~i~5 17), 106268#(<= ULTIMATE.start_main_~i~5 16), 106271#(<= ULTIMATE.start_main_~i~5 19), 106270#(<= ULTIMATE.start_main_~i~5 18), 106273#(<= ULTIMATE.start_main_~i~5 21), 106272#(<= ULTIMATE.start_main_~i~5 20), 106275#(<= ULTIMATE.start_main_~i~5 23), 106274#(<= ULTIMATE.start_main_~i~5 22), 106277#(<= ULTIMATE.start_main_~i~5 25), 106276#(<= ULTIMATE.start_main_~i~5 24), 106279#(<= ULTIMATE.start_main_~i~5 27), 106278#(<= ULTIMATE.start_main_~i~5 26), 106281#(<= ULTIMATE.start_main_~i~5 29), 106280#(<= ULTIMATE.start_main_~i~5 28), 106283#(<= ULTIMATE.start_main_~i~5 31), 106282#(<= ULTIMATE.start_main_~i~5 30), 106285#(<= ULTIMATE.start_main_~i~5 33), 106284#(<= ULTIMATE.start_main_~i~5 32), 106287#(<= ULTIMATE.start_main_~i~5 35), 106286#(<= ULTIMATE.start_main_~i~5 34), 106289#(<= ULTIMATE.start_main_~i~5 37), 106288#(<= ULTIMATE.start_main_~i~5 36), 106291#(<= ULTIMATE.start_main_~i~5 39), 106290#(<= ULTIMATE.start_main_~i~5 38), 106293#(<= ULTIMATE.start_main_~i~5 41), 106292#(<= ULTIMATE.start_main_~i~5 40), 106295#(<= ULTIMATE.start_main_~i~5 43), 106294#(<= ULTIMATE.start_main_~i~5 42), 106297#(<= ULTIMATE.start_main_~i~5 45), 106296#(<= ULTIMATE.start_main_~i~5 44), 106299#(<= ULTIMATE.start_main_~i~5 47), 106298#(<= ULTIMATE.start_main_~i~5 46), 106301#(<= ULTIMATE.start_main_~i~5 49), 106300#(<= ULTIMATE.start_main_~i~5 48), 106303#(<= ULTIMATE.start_main_~i~5 51), 106302#(<= ULTIMATE.start_main_~i~5 50), 106305#(<= ULTIMATE.start_main_~i~5 53), 106304#(<= ULTIMATE.start_main_~i~5 52), 106307#(<= ULTIMATE.start_main_~i~5 55), 106306#(<= ULTIMATE.start_main_~i~5 54), 106309#(<= ULTIMATE.start_main_~i~5 57), 106308#(<= ULTIMATE.start_main_~i~5 56), 106311#(<= ULTIMATE.start_main_~i~5 59), 106310#(<= ULTIMATE.start_main_~i~5 58), 106313#(<= ULTIMATE.start_main_~i~5 61), 106312#(<= ULTIMATE.start_main_~i~5 60), 106315#(<= ULTIMATE.start_main_~i~5 63), 106314#(<= ULTIMATE.start_main_~i~5 62), 106317#(<= ULTIMATE.start_main_~i~5 65), 106316#(<= ULTIMATE.start_main_~i~5 64), 106319#(<= ULTIMATE.start_main_~i~5 67), 106318#(<= ULTIMATE.start_main_~i~5 66), 106321#(<= ULTIMATE.start_main_~i~5 69), 106320#(<= ULTIMATE.start_main_~i~5 68), 106323#(<= ULTIMATE.start_main_~i~5 71), 106322#(<= ULTIMATE.start_main_~i~5 70), 106325#(<= ULTIMATE.start_main_~i~5 73), 106324#(<= ULTIMATE.start_main_~i~5 72), 106327#(<= ULTIMATE.start_main_~i~5 75), 106326#(<= ULTIMATE.start_main_~i~5 74), 106329#(<= ULTIMATE.start_main_~i~5 77), 106328#(<= ULTIMATE.start_main_~i~5 76), 106331#(<= ULTIMATE.start_main_~i~5 79), 106330#(<= ULTIMATE.start_main_~i~5 78), 106333#(<= ULTIMATE.start_main_~i~5 81), 106332#(<= ULTIMATE.start_main_~i~5 80), 106335#(<= ULTIMATE.start_main_~i~5 83), 106334#(<= ULTIMATE.start_main_~i~5 82), 106337#(<= ULTIMATE.start_main_~i~5 85), 106336#(<= ULTIMATE.start_main_~i~5 84), 106339#(<= ULTIMATE.start_main_~i~5 87), 106338#(<= ULTIMATE.start_main_~i~5 86), 106341#(<= ULTIMATE.start_main_~i~5 89), 106340#(<= ULTIMATE.start_main_~i~5 88), 106343#(<= ULTIMATE.start_main_~i~5 91), 106342#(<= ULTIMATE.start_main_~i~5 90), 106345#(<= ULTIMATE.start_main_~i~5 93), 106344#(<= ULTIMATE.start_main_~i~5 92), 106347#(<= ULTIMATE.start_main_~i~5 95), 106346#(<= ULTIMATE.start_main_~i~5 94), 106349#(<= ULTIMATE.start_main_~i~5 97), 106348#(<= ULTIMATE.start_main_~i~5 96), 106351#(<= ULTIMATE.start_main_~i~5 99), 106350#(<= ULTIMATE.start_main_~i~5 98), 106353#(<= ULTIMATE.start_main_~i~5 101), 106352#(<= ULTIMATE.start_main_~i~5 100), 106355#(<= ULTIMATE.start_main_~i~5 103), 106354#(<= ULTIMATE.start_main_~i~5 102), 106357#(<= ULTIMATE.start_main_~i~5 105), 106356#(<= ULTIMATE.start_main_~i~5 104), 106359#(<= ULTIMATE.start_main_~i~5 107), 106358#(<= ULTIMATE.start_main_~i~5 106), 106361#(<= ULTIMATE.start_main_~i~5 109), 106360#(<= ULTIMATE.start_main_~i~5 108), 106363#(<= ULTIMATE.start_main_~i~5 111), 106362#(<= ULTIMATE.start_main_~i~5 110), 106365#(<= ULTIMATE.start_main_~i~5 113), 106364#(<= ULTIMATE.start_main_~i~5 112), 106367#(<= ULTIMATE.start_main_~i~5 115), 106366#(<= ULTIMATE.start_main_~i~5 114), 106369#(<= ULTIMATE.start_main_~i~5 117), 106368#(<= ULTIMATE.start_main_~i~5 116), 106371#(<= ULTIMATE.start_main_~i~5 119), 106370#(<= ULTIMATE.start_main_~i~5 118), 106373#(<= ULTIMATE.start_main_~i~5 121), 106372#(<= ULTIMATE.start_main_~i~5 120), 106375#(<= ULTIMATE.start_main_~i~5 123), 106374#(<= ULTIMATE.start_main_~i~5 122), 106377#(<= ULTIMATE.start_main_~i~5 125), 106376#(<= ULTIMATE.start_main_~i~5 124), 106379#(<= ULTIMATE.start_main_~i~5 127), 106378#(<= ULTIMATE.start_main_~i~5 126), 106381#(<= ULTIMATE.start_main_~i~5 129), 106380#(<= ULTIMATE.start_main_~i~5 128), 106383#(<= ULTIMATE.start_main_~i~5 131), 106382#(<= ULTIMATE.start_main_~i~5 130), 106385#(<= ULTIMATE.start_main_~i~5 133), 106384#(<= ULTIMATE.start_main_~i~5 132), 106387#(<= ULTIMATE.start_main_~i~5 135), 106386#(<= ULTIMATE.start_main_~i~5 134), 106389#(<= ULTIMATE.start_main_~i~5 137), 106388#(<= ULTIMATE.start_main_~i~5 136), 106391#(<= ULTIMATE.start_main_~i~5 139), 106390#(<= ULTIMATE.start_main_~i~5 138), 106393#(<= ULTIMATE.start_main_~i~5 141), 106392#(<= ULTIMATE.start_main_~i~5 140), 106395#(<= ULTIMATE.start_main_~i~5 143), 106394#(<= ULTIMATE.start_main_~i~5 142), 106397#(<= ULTIMATE.start_main_~i~5 145), 106396#(<= ULTIMATE.start_main_~i~5 144), 106399#(<= ULTIMATE.start_main_~i~5 147), 106398#(<= ULTIMATE.start_main_~i~5 146), 106401#(<= ULTIMATE.start_main_~i~5 149), 106400#(<= ULTIMATE.start_main_~i~5 148)] [2018-07-23 13:42:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:10,370 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:42:10,372 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:42:10,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:42:10,373 INFO L87 Difference]: Start difference. First operand 305 states and 306 transitions. Second operand 152 states. [2018-07-23 13:42:11,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:11,227 INFO L93 Difference]: Finished difference Result 311 states and 313 transitions. [2018-07-23 13:42:11,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:42:11,228 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 304 [2018-07-23 13:42:11,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:11,228 INFO L225 Difference]: With dead ends: 311 [2018-07-23 13:42:11,229 INFO L226 Difference]: Without dead ends: 307 [2018-07-23 13:42:11,230 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:42:11,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-07-23 13:42:11,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2018-07-23 13:42:11,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-07-23 13:42:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 308 transitions. [2018-07-23 13:42:11,234 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 308 transitions. Word has length 304 [2018-07-23 13:42:11,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:11,234 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 308 transitions. [2018-07-23 13:42:11,234 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:42:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 308 transitions. [2018-07-23 13:42:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-07-23 13:42:11,235 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:11,235 INFO L357 BasicCegarLoop]: trace histogram [151, 150, 1, 1, 1, 1, 1] [2018-07-23 13:42:11,235 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:11,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1715762845, now seen corresponding path program 150 times [2018-07-23 13:42:11,235 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:12,132 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:12,132 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:42:12,132 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:12,133 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 13:42:12,133 INFO L185 omatonBuilderFactory]: Interpolants [107777#(<= ULTIMATE.start_main_~i~5 137), 107776#(<= ULTIMATE.start_main_~i~5 136), 107779#(<= ULTIMATE.start_main_~i~5 139), 107778#(<= ULTIMATE.start_main_~i~5 138), 107781#(<= ULTIMATE.start_main_~i~5 141), 107780#(<= ULTIMATE.start_main_~i~5 140), 107783#(<= ULTIMATE.start_main_~i~5 143), 107782#(<= ULTIMATE.start_main_~i~5 142), 107785#(<= ULTIMATE.start_main_~i~5 145), 107784#(<= ULTIMATE.start_main_~i~5 144), 107787#(<= ULTIMATE.start_main_~i~5 147), 107786#(<= ULTIMATE.start_main_~i~5 146), 107789#(<= ULTIMATE.start_main_~i~5 149), 107788#(<= ULTIMATE.start_main_~i~5 148), 107790#(<= ULTIMATE.start_main_~i~5 150), 107639#false, 107638#true, 107641#(<= ULTIMATE.start_main_~i~5 1), 107640#(<= ULTIMATE.start_main_~i~5 0), 107643#(<= ULTIMATE.start_main_~i~5 3), 107642#(<= ULTIMATE.start_main_~i~5 2), 107645#(<= ULTIMATE.start_main_~i~5 5), 107644#(<= ULTIMATE.start_main_~i~5 4), 107647#(<= ULTIMATE.start_main_~i~5 7), 107646#(<= ULTIMATE.start_main_~i~5 6), 107649#(<= ULTIMATE.start_main_~i~5 9), 107648#(<= ULTIMATE.start_main_~i~5 8), 107651#(<= ULTIMATE.start_main_~i~5 11), 107650#(<= ULTIMATE.start_main_~i~5 10), 107653#(<= ULTIMATE.start_main_~i~5 13), 107652#(<= ULTIMATE.start_main_~i~5 12), 107655#(<= ULTIMATE.start_main_~i~5 15), 107654#(<= ULTIMATE.start_main_~i~5 14), 107657#(<= ULTIMATE.start_main_~i~5 17), 107656#(<= ULTIMATE.start_main_~i~5 16), 107659#(<= ULTIMATE.start_main_~i~5 19), 107658#(<= ULTIMATE.start_main_~i~5 18), 107661#(<= ULTIMATE.start_main_~i~5 21), 107660#(<= ULTIMATE.start_main_~i~5 20), 107663#(<= ULTIMATE.start_main_~i~5 23), 107662#(<= ULTIMATE.start_main_~i~5 22), 107665#(<= ULTIMATE.start_main_~i~5 25), 107664#(<= ULTIMATE.start_main_~i~5 24), 107667#(<= ULTIMATE.start_main_~i~5 27), 107666#(<= ULTIMATE.start_main_~i~5 26), 107669#(<= ULTIMATE.start_main_~i~5 29), 107668#(<= ULTIMATE.start_main_~i~5 28), 107671#(<= ULTIMATE.start_main_~i~5 31), 107670#(<= ULTIMATE.start_main_~i~5 30), 107673#(<= ULTIMATE.start_main_~i~5 33), 107672#(<= ULTIMATE.start_main_~i~5 32), 107675#(<= ULTIMATE.start_main_~i~5 35), 107674#(<= ULTIMATE.start_main_~i~5 34), 107677#(<= ULTIMATE.start_main_~i~5 37), 107676#(<= ULTIMATE.start_main_~i~5 36), 107679#(<= ULTIMATE.start_main_~i~5 39), 107678#(<= ULTIMATE.start_main_~i~5 38), 107681#(<= ULTIMATE.start_main_~i~5 41), 107680#(<= ULTIMATE.start_main_~i~5 40), 107683#(<= ULTIMATE.start_main_~i~5 43), 107682#(<= ULTIMATE.start_main_~i~5 42), 107685#(<= ULTIMATE.start_main_~i~5 45), 107684#(<= ULTIMATE.start_main_~i~5 44), 107687#(<= ULTIMATE.start_main_~i~5 47), 107686#(<= ULTIMATE.start_main_~i~5 46), 107689#(<= ULTIMATE.start_main_~i~5 49), 107688#(<= ULTIMATE.start_main_~i~5 48), 107691#(<= ULTIMATE.start_main_~i~5 51), 107690#(<= ULTIMATE.start_main_~i~5 50), 107693#(<= ULTIMATE.start_main_~i~5 53), 107692#(<= ULTIMATE.start_main_~i~5 52), 107695#(<= ULTIMATE.start_main_~i~5 55), 107694#(<= ULTIMATE.start_main_~i~5 54), 107697#(<= ULTIMATE.start_main_~i~5 57), 107696#(<= ULTIMATE.start_main_~i~5 56), 107699#(<= ULTIMATE.start_main_~i~5 59), 107698#(<= ULTIMATE.start_main_~i~5 58), 107701#(<= ULTIMATE.start_main_~i~5 61), 107700#(<= ULTIMATE.start_main_~i~5 60), 107703#(<= ULTIMATE.start_main_~i~5 63), 107702#(<= ULTIMATE.start_main_~i~5 62), 107705#(<= ULTIMATE.start_main_~i~5 65), 107704#(<= ULTIMATE.start_main_~i~5 64), 107707#(<= ULTIMATE.start_main_~i~5 67), 107706#(<= ULTIMATE.start_main_~i~5 66), 107709#(<= ULTIMATE.start_main_~i~5 69), 107708#(<= ULTIMATE.start_main_~i~5 68), 107711#(<= ULTIMATE.start_main_~i~5 71), 107710#(<= ULTIMATE.start_main_~i~5 70), 107713#(<= ULTIMATE.start_main_~i~5 73), 107712#(<= ULTIMATE.start_main_~i~5 72), 107715#(<= ULTIMATE.start_main_~i~5 75), 107714#(<= ULTIMATE.start_main_~i~5 74), 107717#(<= ULTIMATE.start_main_~i~5 77), 107716#(<= ULTIMATE.start_main_~i~5 76), 107719#(<= ULTIMATE.start_main_~i~5 79), 107718#(<= ULTIMATE.start_main_~i~5 78), 107721#(<= ULTIMATE.start_main_~i~5 81), 107720#(<= ULTIMATE.start_main_~i~5 80), 107723#(<= ULTIMATE.start_main_~i~5 83), 107722#(<= ULTIMATE.start_main_~i~5 82), 107725#(<= ULTIMATE.start_main_~i~5 85), 107724#(<= ULTIMATE.start_main_~i~5 84), 107727#(<= ULTIMATE.start_main_~i~5 87), 107726#(<= ULTIMATE.start_main_~i~5 86), 107729#(<= ULTIMATE.start_main_~i~5 89), 107728#(<= ULTIMATE.start_main_~i~5 88), 107731#(<= ULTIMATE.start_main_~i~5 91), 107730#(<= ULTIMATE.start_main_~i~5 90), 107733#(<= ULTIMATE.start_main_~i~5 93), 107732#(<= ULTIMATE.start_main_~i~5 92), 107735#(<= ULTIMATE.start_main_~i~5 95), 107734#(<= ULTIMATE.start_main_~i~5 94), 107737#(<= ULTIMATE.start_main_~i~5 97), 107736#(<= ULTIMATE.start_main_~i~5 96), 107739#(<= ULTIMATE.start_main_~i~5 99), 107738#(<= ULTIMATE.start_main_~i~5 98), 107741#(<= ULTIMATE.start_main_~i~5 101), 107740#(<= ULTIMATE.start_main_~i~5 100), 107743#(<= ULTIMATE.start_main_~i~5 103), 107742#(<= ULTIMATE.start_main_~i~5 102), 107745#(<= ULTIMATE.start_main_~i~5 105), 107744#(<= ULTIMATE.start_main_~i~5 104), 107747#(<= ULTIMATE.start_main_~i~5 107), 107746#(<= ULTIMATE.start_main_~i~5 106), 107749#(<= ULTIMATE.start_main_~i~5 109), 107748#(<= ULTIMATE.start_main_~i~5 108), 107751#(<= ULTIMATE.start_main_~i~5 111), 107750#(<= ULTIMATE.start_main_~i~5 110), 107753#(<= ULTIMATE.start_main_~i~5 113), 107752#(<= ULTIMATE.start_main_~i~5 112), 107755#(<= ULTIMATE.start_main_~i~5 115), 107754#(<= ULTIMATE.start_main_~i~5 114), 107757#(<= ULTIMATE.start_main_~i~5 117), 107756#(<= ULTIMATE.start_main_~i~5 116), 107759#(<= ULTIMATE.start_main_~i~5 119), 107758#(<= ULTIMATE.start_main_~i~5 118), 107761#(<= ULTIMATE.start_main_~i~5 121), 107760#(<= ULTIMATE.start_main_~i~5 120), 107763#(<= ULTIMATE.start_main_~i~5 123), 107762#(<= ULTIMATE.start_main_~i~5 122), 107765#(<= ULTIMATE.start_main_~i~5 125), 107764#(<= ULTIMATE.start_main_~i~5 124), 107767#(<= ULTIMATE.start_main_~i~5 127), 107766#(<= ULTIMATE.start_main_~i~5 126), 107769#(<= ULTIMATE.start_main_~i~5 129), 107768#(<= ULTIMATE.start_main_~i~5 128), 107771#(<= ULTIMATE.start_main_~i~5 131), 107770#(<= ULTIMATE.start_main_~i~5 130), 107773#(<= ULTIMATE.start_main_~i~5 133), 107772#(<= ULTIMATE.start_main_~i~5 132), 107775#(<= ULTIMATE.start_main_~i~5 135), 107774#(<= ULTIMATE.start_main_~i~5 134)] [2018-07-23 13:42:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:12,135 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:42:12,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:42:12,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:42:12,138 INFO L87 Difference]: Start difference. First operand 307 states and 308 transitions. Second operand 153 states. [2018-07-23 13:42:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:12,770 INFO L93 Difference]: Finished difference Result 313 states and 315 transitions. [2018-07-23 13:42:12,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:42:12,771 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 306 [2018-07-23 13:42:12,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:12,771 INFO L225 Difference]: With dead ends: 313 [2018-07-23 13:42:12,771 INFO L226 Difference]: Without dead ends: 309 [2018-07-23 13:42:12,773 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 13:42:12,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-07-23 13:42:12,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2018-07-23 13:42:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-07-23 13:42:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 310 transitions. [2018-07-23 13:42:12,777 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 310 transitions. Word has length 306 [2018-07-23 13:42:12,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:12,777 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 310 transitions. [2018-07-23 13:42:12,777 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:42:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 310 transitions. [2018-07-23 13:42:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-07-23 13:42:12,778 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:12,778 INFO L357 BasicCegarLoop]: trace histogram [152, 151, 1, 1, 1, 1, 1] [2018-07-23 13:42:12,778 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:12,779 INFO L82 PathProgramCache]: Analyzing trace with hash 335789407, now seen corresponding path program 151 times [2018-07-23 13:42:12,779 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:13,713 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:13,713 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:42:13,713 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:13,713 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 13:42:13,713 INFO L185 omatonBuilderFactory]: Interpolants [109057#(<= ULTIMATE.start_main_~i~5 20), 109056#(<= ULTIMATE.start_main_~i~5 19), 109059#(<= ULTIMATE.start_main_~i~5 22), 109058#(<= ULTIMATE.start_main_~i~5 21), 109061#(<= ULTIMATE.start_main_~i~5 24), 109060#(<= ULTIMATE.start_main_~i~5 23), 109063#(<= ULTIMATE.start_main_~i~5 26), 109062#(<= ULTIMATE.start_main_~i~5 25), 109065#(<= ULTIMATE.start_main_~i~5 28), 109064#(<= ULTIMATE.start_main_~i~5 27), 109067#(<= ULTIMATE.start_main_~i~5 30), 109066#(<= ULTIMATE.start_main_~i~5 29), 109069#(<= ULTIMATE.start_main_~i~5 32), 109068#(<= ULTIMATE.start_main_~i~5 31), 109071#(<= ULTIMATE.start_main_~i~5 34), 109070#(<= ULTIMATE.start_main_~i~5 33), 109073#(<= ULTIMATE.start_main_~i~5 36), 109072#(<= ULTIMATE.start_main_~i~5 35), 109075#(<= ULTIMATE.start_main_~i~5 38), 109074#(<= ULTIMATE.start_main_~i~5 37), 109077#(<= ULTIMATE.start_main_~i~5 40), 109076#(<= ULTIMATE.start_main_~i~5 39), 109079#(<= ULTIMATE.start_main_~i~5 42), 109078#(<= ULTIMATE.start_main_~i~5 41), 109081#(<= ULTIMATE.start_main_~i~5 44), 109080#(<= ULTIMATE.start_main_~i~5 43), 109083#(<= ULTIMATE.start_main_~i~5 46), 109082#(<= ULTIMATE.start_main_~i~5 45), 109085#(<= ULTIMATE.start_main_~i~5 48), 109084#(<= ULTIMATE.start_main_~i~5 47), 109087#(<= ULTIMATE.start_main_~i~5 50), 109086#(<= ULTIMATE.start_main_~i~5 49), 109089#(<= ULTIMATE.start_main_~i~5 52), 109088#(<= ULTIMATE.start_main_~i~5 51), 109091#(<= ULTIMATE.start_main_~i~5 54), 109090#(<= ULTIMATE.start_main_~i~5 53), 109093#(<= ULTIMATE.start_main_~i~5 56), 109092#(<= ULTIMATE.start_main_~i~5 55), 109095#(<= ULTIMATE.start_main_~i~5 58), 109094#(<= ULTIMATE.start_main_~i~5 57), 109097#(<= ULTIMATE.start_main_~i~5 60), 109096#(<= ULTIMATE.start_main_~i~5 59), 109099#(<= ULTIMATE.start_main_~i~5 62), 109098#(<= ULTIMATE.start_main_~i~5 61), 109101#(<= ULTIMATE.start_main_~i~5 64), 109100#(<= ULTIMATE.start_main_~i~5 63), 109103#(<= ULTIMATE.start_main_~i~5 66), 109102#(<= ULTIMATE.start_main_~i~5 65), 109105#(<= ULTIMATE.start_main_~i~5 68), 109104#(<= ULTIMATE.start_main_~i~5 67), 109107#(<= ULTIMATE.start_main_~i~5 70), 109106#(<= ULTIMATE.start_main_~i~5 69), 109109#(<= ULTIMATE.start_main_~i~5 72), 109108#(<= ULTIMATE.start_main_~i~5 71), 109111#(<= ULTIMATE.start_main_~i~5 74), 109110#(<= ULTIMATE.start_main_~i~5 73), 109113#(<= ULTIMATE.start_main_~i~5 76), 109112#(<= ULTIMATE.start_main_~i~5 75), 109115#(<= ULTIMATE.start_main_~i~5 78), 109114#(<= ULTIMATE.start_main_~i~5 77), 109117#(<= ULTIMATE.start_main_~i~5 80), 109116#(<= ULTIMATE.start_main_~i~5 79), 109119#(<= ULTIMATE.start_main_~i~5 82), 109118#(<= ULTIMATE.start_main_~i~5 81), 109121#(<= ULTIMATE.start_main_~i~5 84), 109120#(<= ULTIMATE.start_main_~i~5 83), 109123#(<= ULTIMATE.start_main_~i~5 86), 109122#(<= ULTIMATE.start_main_~i~5 85), 109125#(<= ULTIMATE.start_main_~i~5 88), 109124#(<= ULTIMATE.start_main_~i~5 87), 109127#(<= ULTIMATE.start_main_~i~5 90), 109126#(<= ULTIMATE.start_main_~i~5 89), 109129#(<= ULTIMATE.start_main_~i~5 92), 109128#(<= ULTIMATE.start_main_~i~5 91), 109131#(<= ULTIMATE.start_main_~i~5 94), 109130#(<= ULTIMATE.start_main_~i~5 93), 109133#(<= ULTIMATE.start_main_~i~5 96), 109132#(<= ULTIMATE.start_main_~i~5 95), 109135#(<= ULTIMATE.start_main_~i~5 98), 109134#(<= ULTIMATE.start_main_~i~5 97), 109137#(<= ULTIMATE.start_main_~i~5 100), 109136#(<= ULTIMATE.start_main_~i~5 99), 109139#(<= ULTIMATE.start_main_~i~5 102), 109138#(<= ULTIMATE.start_main_~i~5 101), 109141#(<= ULTIMATE.start_main_~i~5 104), 109140#(<= ULTIMATE.start_main_~i~5 103), 109143#(<= ULTIMATE.start_main_~i~5 106), 109142#(<= ULTIMATE.start_main_~i~5 105), 109145#(<= ULTIMATE.start_main_~i~5 108), 109144#(<= ULTIMATE.start_main_~i~5 107), 109147#(<= ULTIMATE.start_main_~i~5 110), 109146#(<= ULTIMATE.start_main_~i~5 109), 109149#(<= ULTIMATE.start_main_~i~5 112), 109148#(<= ULTIMATE.start_main_~i~5 111), 109151#(<= ULTIMATE.start_main_~i~5 114), 109150#(<= ULTIMATE.start_main_~i~5 113), 109153#(<= ULTIMATE.start_main_~i~5 116), 109152#(<= ULTIMATE.start_main_~i~5 115), 109155#(<= ULTIMATE.start_main_~i~5 118), 109154#(<= ULTIMATE.start_main_~i~5 117), 109157#(<= ULTIMATE.start_main_~i~5 120), 109156#(<= ULTIMATE.start_main_~i~5 119), 109159#(<= ULTIMATE.start_main_~i~5 122), 109158#(<= ULTIMATE.start_main_~i~5 121), 109161#(<= ULTIMATE.start_main_~i~5 124), 109160#(<= ULTIMATE.start_main_~i~5 123), 109163#(<= ULTIMATE.start_main_~i~5 126), 109162#(<= ULTIMATE.start_main_~i~5 125), 109165#(<= ULTIMATE.start_main_~i~5 128), 109164#(<= ULTIMATE.start_main_~i~5 127), 109167#(<= ULTIMATE.start_main_~i~5 130), 109166#(<= ULTIMATE.start_main_~i~5 129), 109169#(<= ULTIMATE.start_main_~i~5 132), 109168#(<= ULTIMATE.start_main_~i~5 131), 109171#(<= ULTIMATE.start_main_~i~5 134), 109170#(<= ULTIMATE.start_main_~i~5 133), 109173#(<= ULTIMATE.start_main_~i~5 136), 109172#(<= ULTIMATE.start_main_~i~5 135), 109175#(<= ULTIMATE.start_main_~i~5 138), 109174#(<= ULTIMATE.start_main_~i~5 137), 109177#(<= ULTIMATE.start_main_~i~5 140), 109176#(<= ULTIMATE.start_main_~i~5 139), 109179#(<= ULTIMATE.start_main_~i~5 142), 109178#(<= ULTIMATE.start_main_~i~5 141), 109181#(<= ULTIMATE.start_main_~i~5 144), 109180#(<= ULTIMATE.start_main_~i~5 143), 109183#(<= ULTIMATE.start_main_~i~5 146), 109182#(<= ULTIMATE.start_main_~i~5 145), 109185#(<= ULTIMATE.start_main_~i~5 148), 109184#(<= ULTIMATE.start_main_~i~5 147), 109187#(<= ULTIMATE.start_main_~i~5 150), 109186#(<= ULTIMATE.start_main_~i~5 149), 109188#(<= ULTIMATE.start_main_~i~5 151), 109035#true, 109037#(<= ULTIMATE.start_main_~i~5 0), 109036#false, 109039#(<= ULTIMATE.start_main_~i~5 2), 109038#(<= ULTIMATE.start_main_~i~5 1), 109041#(<= ULTIMATE.start_main_~i~5 4), 109040#(<= ULTIMATE.start_main_~i~5 3), 109043#(<= ULTIMATE.start_main_~i~5 6), 109042#(<= ULTIMATE.start_main_~i~5 5), 109045#(<= ULTIMATE.start_main_~i~5 8), 109044#(<= ULTIMATE.start_main_~i~5 7), 109047#(<= ULTIMATE.start_main_~i~5 10), 109046#(<= ULTIMATE.start_main_~i~5 9), 109049#(<= ULTIMATE.start_main_~i~5 12), 109048#(<= ULTIMATE.start_main_~i~5 11), 109051#(<= ULTIMATE.start_main_~i~5 14), 109050#(<= ULTIMATE.start_main_~i~5 13), 109053#(<= ULTIMATE.start_main_~i~5 16), 109052#(<= ULTIMATE.start_main_~i~5 15), 109055#(<= ULTIMATE.start_main_~i~5 18), 109054#(<= ULTIMATE.start_main_~i~5 17)] [2018-07-23 13:42:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:13,715 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:42:13,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:42:13,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:42:13,717 INFO L87 Difference]: Start difference. First operand 309 states and 310 transitions. Second operand 154 states. [2018-07-23 13:42:14,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:14,509 INFO L93 Difference]: Finished difference Result 315 states and 317 transitions. [2018-07-23 13:42:14,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:42:14,509 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 308 [2018-07-23 13:42:14,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:14,510 INFO L225 Difference]: With dead ends: 315 [2018-07-23 13:42:14,510 INFO L226 Difference]: Without dead ends: 311 [2018-07-23 13:42:14,512 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:42:14,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-07-23 13:42:14,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2018-07-23 13:42:14,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-07-23 13:42:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 312 transitions. [2018-07-23 13:42:14,516 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 312 transitions. Word has length 308 [2018-07-23 13:42:14,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:14,517 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 312 transitions. [2018-07-23 13:42:14,517 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:42:14,517 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 312 transitions. [2018-07-23 13:42:14,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-07-23 13:42:14,518 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:14,518 INFO L357 BasicCegarLoop]: trace histogram [153, 152, 1, 1, 1, 1, 1] [2018-07-23 13:42:14,519 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:14,519 INFO L82 PathProgramCache]: Analyzing trace with hash 487514715, now seen corresponding path program 152 times [2018-07-23 13:42:14,519 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:15,507 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:15,507 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:42:15,507 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:15,508 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 13:42:15,508 INFO L185 omatonBuilderFactory]: Interpolants [110593#(<= ULTIMATE.start_main_~i~5 150), 110592#(<= ULTIMATE.start_main_~i~5 149), 110595#(<= ULTIMATE.start_main_~i~5 152), 110594#(<= ULTIMATE.start_main_~i~5 151), 110441#true, 110443#(<= ULTIMATE.start_main_~i~5 0), 110442#false, 110445#(<= ULTIMATE.start_main_~i~5 2), 110444#(<= ULTIMATE.start_main_~i~5 1), 110447#(<= ULTIMATE.start_main_~i~5 4), 110446#(<= ULTIMATE.start_main_~i~5 3), 110449#(<= ULTIMATE.start_main_~i~5 6), 110448#(<= ULTIMATE.start_main_~i~5 5), 110451#(<= ULTIMATE.start_main_~i~5 8), 110450#(<= ULTIMATE.start_main_~i~5 7), 110453#(<= ULTIMATE.start_main_~i~5 10), 110452#(<= ULTIMATE.start_main_~i~5 9), 110455#(<= ULTIMATE.start_main_~i~5 12), 110454#(<= ULTIMATE.start_main_~i~5 11), 110457#(<= ULTIMATE.start_main_~i~5 14), 110456#(<= ULTIMATE.start_main_~i~5 13), 110459#(<= ULTIMATE.start_main_~i~5 16), 110458#(<= ULTIMATE.start_main_~i~5 15), 110461#(<= ULTIMATE.start_main_~i~5 18), 110460#(<= ULTIMATE.start_main_~i~5 17), 110463#(<= ULTIMATE.start_main_~i~5 20), 110462#(<= ULTIMATE.start_main_~i~5 19), 110465#(<= ULTIMATE.start_main_~i~5 22), 110464#(<= ULTIMATE.start_main_~i~5 21), 110467#(<= ULTIMATE.start_main_~i~5 24), 110466#(<= ULTIMATE.start_main_~i~5 23), 110469#(<= ULTIMATE.start_main_~i~5 26), 110468#(<= ULTIMATE.start_main_~i~5 25), 110471#(<= ULTIMATE.start_main_~i~5 28), 110470#(<= ULTIMATE.start_main_~i~5 27), 110473#(<= ULTIMATE.start_main_~i~5 30), 110472#(<= ULTIMATE.start_main_~i~5 29), 110475#(<= ULTIMATE.start_main_~i~5 32), 110474#(<= ULTIMATE.start_main_~i~5 31), 110477#(<= ULTIMATE.start_main_~i~5 34), 110476#(<= ULTIMATE.start_main_~i~5 33), 110479#(<= ULTIMATE.start_main_~i~5 36), 110478#(<= ULTIMATE.start_main_~i~5 35), 110481#(<= ULTIMATE.start_main_~i~5 38), 110480#(<= ULTIMATE.start_main_~i~5 37), 110483#(<= ULTIMATE.start_main_~i~5 40), 110482#(<= ULTIMATE.start_main_~i~5 39), 110485#(<= ULTIMATE.start_main_~i~5 42), 110484#(<= ULTIMATE.start_main_~i~5 41), 110487#(<= ULTIMATE.start_main_~i~5 44), 110486#(<= ULTIMATE.start_main_~i~5 43), 110489#(<= ULTIMATE.start_main_~i~5 46), 110488#(<= ULTIMATE.start_main_~i~5 45), 110491#(<= ULTIMATE.start_main_~i~5 48), 110490#(<= ULTIMATE.start_main_~i~5 47), 110493#(<= ULTIMATE.start_main_~i~5 50), 110492#(<= ULTIMATE.start_main_~i~5 49), 110495#(<= ULTIMATE.start_main_~i~5 52), 110494#(<= ULTIMATE.start_main_~i~5 51), 110497#(<= ULTIMATE.start_main_~i~5 54), 110496#(<= ULTIMATE.start_main_~i~5 53), 110499#(<= ULTIMATE.start_main_~i~5 56), 110498#(<= ULTIMATE.start_main_~i~5 55), 110501#(<= ULTIMATE.start_main_~i~5 58), 110500#(<= ULTIMATE.start_main_~i~5 57), 110503#(<= ULTIMATE.start_main_~i~5 60), 110502#(<= ULTIMATE.start_main_~i~5 59), 110505#(<= ULTIMATE.start_main_~i~5 62), 110504#(<= ULTIMATE.start_main_~i~5 61), 110507#(<= ULTIMATE.start_main_~i~5 64), 110506#(<= ULTIMATE.start_main_~i~5 63), 110509#(<= ULTIMATE.start_main_~i~5 66), 110508#(<= ULTIMATE.start_main_~i~5 65), 110511#(<= ULTIMATE.start_main_~i~5 68), 110510#(<= ULTIMATE.start_main_~i~5 67), 110513#(<= ULTIMATE.start_main_~i~5 70), 110512#(<= ULTIMATE.start_main_~i~5 69), 110515#(<= ULTIMATE.start_main_~i~5 72), 110514#(<= ULTIMATE.start_main_~i~5 71), 110517#(<= ULTIMATE.start_main_~i~5 74), 110516#(<= ULTIMATE.start_main_~i~5 73), 110519#(<= ULTIMATE.start_main_~i~5 76), 110518#(<= ULTIMATE.start_main_~i~5 75), 110521#(<= ULTIMATE.start_main_~i~5 78), 110520#(<= ULTIMATE.start_main_~i~5 77), 110523#(<= ULTIMATE.start_main_~i~5 80), 110522#(<= ULTIMATE.start_main_~i~5 79), 110525#(<= ULTIMATE.start_main_~i~5 82), 110524#(<= ULTIMATE.start_main_~i~5 81), 110527#(<= ULTIMATE.start_main_~i~5 84), 110526#(<= ULTIMATE.start_main_~i~5 83), 110529#(<= ULTIMATE.start_main_~i~5 86), 110528#(<= ULTIMATE.start_main_~i~5 85), 110531#(<= ULTIMATE.start_main_~i~5 88), 110530#(<= ULTIMATE.start_main_~i~5 87), 110533#(<= ULTIMATE.start_main_~i~5 90), 110532#(<= ULTIMATE.start_main_~i~5 89), 110535#(<= ULTIMATE.start_main_~i~5 92), 110534#(<= ULTIMATE.start_main_~i~5 91), 110537#(<= ULTIMATE.start_main_~i~5 94), 110536#(<= ULTIMATE.start_main_~i~5 93), 110539#(<= ULTIMATE.start_main_~i~5 96), 110538#(<= ULTIMATE.start_main_~i~5 95), 110541#(<= ULTIMATE.start_main_~i~5 98), 110540#(<= ULTIMATE.start_main_~i~5 97), 110543#(<= ULTIMATE.start_main_~i~5 100), 110542#(<= ULTIMATE.start_main_~i~5 99), 110545#(<= ULTIMATE.start_main_~i~5 102), 110544#(<= ULTIMATE.start_main_~i~5 101), 110547#(<= ULTIMATE.start_main_~i~5 104), 110546#(<= ULTIMATE.start_main_~i~5 103), 110549#(<= ULTIMATE.start_main_~i~5 106), 110548#(<= ULTIMATE.start_main_~i~5 105), 110551#(<= ULTIMATE.start_main_~i~5 108), 110550#(<= ULTIMATE.start_main_~i~5 107), 110553#(<= ULTIMATE.start_main_~i~5 110), 110552#(<= ULTIMATE.start_main_~i~5 109), 110555#(<= ULTIMATE.start_main_~i~5 112), 110554#(<= ULTIMATE.start_main_~i~5 111), 110557#(<= ULTIMATE.start_main_~i~5 114), 110556#(<= ULTIMATE.start_main_~i~5 113), 110559#(<= ULTIMATE.start_main_~i~5 116), 110558#(<= ULTIMATE.start_main_~i~5 115), 110561#(<= ULTIMATE.start_main_~i~5 118), 110560#(<= ULTIMATE.start_main_~i~5 117), 110563#(<= ULTIMATE.start_main_~i~5 120), 110562#(<= ULTIMATE.start_main_~i~5 119), 110565#(<= ULTIMATE.start_main_~i~5 122), 110564#(<= ULTIMATE.start_main_~i~5 121), 110567#(<= ULTIMATE.start_main_~i~5 124), 110566#(<= ULTIMATE.start_main_~i~5 123), 110569#(<= ULTIMATE.start_main_~i~5 126), 110568#(<= ULTIMATE.start_main_~i~5 125), 110571#(<= ULTIMATE.start_main_~i~5 128), 110570#(<= ULTIMATE.start_main_~i~5 127), 110573#(<= ULTIMATE.start_main_~i~5 130), 110572#(<= ULTIMATE.start_main_~i~5 129), 110575#(<= ULTIMATE.start_main_~i~5 132), 110574#(<= ULTIMATE.start_main_~i~5 131), 110577#(<= ULTIMATE.start_main_~i~5 134), 110576#(<= ULTIMATE.start_main_~i~5 133), 110579#(<= ULTIMATE.start_main_~i~5 136), 110578#(<= ULTIMATE.start_main_~i~5 135), 110581#(<= ULTIMATE.start_main_~i~5 138), 110580#(<= ULTIMATE.start_main_~i~5 137), 110583#(<= ULTIMATE.start_main_~i~5 140), 110582#(<= ULTIMATE.start_main_~i~5 139), 110585#(<= ULTIMATE.start_main_~i~5 142), 110584#(<= ULTIMATE.start_main_~i~5 141), 110587#(<= ULTIMATE.start_main_~i~5 144), 110586#(<= ULTIMATE.start_main_~i~5 143), 110589#(<= ULTIMATE.start_main_~i~5 146), 110588#(<= ULTIMATE.start_main_~i~5 145), 110591#(<= ULTIMATE.start_main_~i~5 148), 110590#(<= ULTIMATE.start_main_~i~5 147)] [2018-07-23 13:42:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:15,509 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:42:15,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:42:15,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:42:15,512 INFO L87 Difference]: Start difference. First operand 311 states and 312 transitions. Second operand 155 states. [2018-07-23 13:42:16,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:16,135 INFO L93 Difference]: Finished difference Result 317 states and 319 transitions. [2018-07-23 13:42:16,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:42:16,136 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 310 [2018-07-23 13:42:16,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:16,136 INFO L225 Difference]: With dead ends: 317 [2018-07-23 13:42:16,136 INFO L226 Difference]: Without dead ends: 313 [2018-07-23 13:42:16,138 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:42:16,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-07-23 13:42:16,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2018-07-23 13:42:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-07-23 13:42:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 314 transitions. [2018-07-23 13:42:16,141 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 314 transitions. Word has length 310 [2018-07-23 13:42:16,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:16,141 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 314 transitions. [2018-07-23 13:42:16,141 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:42:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 314 transitions. [2018-07-23 13:42:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-07-23 13:42:16,142 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:16,142 INFO L357 BasicCegarLoop]: trace histogram [154, 153, 1, 1, 1, 1, 1] [2018-07-23 13:42:16,142 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:16,142 INFO L82 PathProgramCache]: Analyzing trace with hash 266647639, now seen corresponding path program 153 times [2018-07-23 13:42:16,142 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:17,045 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:17,045 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:42:17,045 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:17,046 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 13:42:17,046 INFO L185 omatonBuilderFactory]: Interpolants [111873#(<= ULTIMATE.start_main_~i~5 15), 111872#(<= ULTIMATE.start_main_~i~5 14), 111875#(<= ULTIMATE.start_main_~i~5 17), 111874#(<= ULTIMATE.start_main_~i~5 16), 111877#(<= ULTIMATE.start_main_~i~5 19), 111876#(<= ULTIMATE.start_main_~i~5 18), 111879#(<= ULTIMATE.start_main_~i~5 21), 111878#(<= ULTIMATE.start_main_~i~5 20), 111881#(<= ULTIMATE.start_main_~i~5 23), 111880#(<= ULTIMATE.start_main_~i~5 22), 111883#(<= ULTIMATE.start_main_~i~5 25), 111882#(<= ULTIMATE.start_main_~i~5 24), 111885#(<= ULTIMATE.start_main_~i~5 27), 111884#(<= ULTIMATE.start_main_~i~5 26), 111887#(<= ULTIMATE.start_main_~i~5 29), 111886#(<= ULTIMATE.start_main_~i~5 28), 111889#(<= ULTIMATE.start_main_~i~5 31), 111888#(<= ULTIMATE.start_main_~i~5 30), 111891#(<= ULTIMATE.start_main_~i~5 33), 111890#(<= ULTIMATE.start_main_~i~5 32), 111893#(<= ULTIMATE.start_main_~i~5 35), 111892#(<= ULTIMATE.start_main_~i~5 34), 111895#(<= ULTIMATE.start_main_~i~5 37), 111894#(<= ULTIMATE.start_main_~i~5 36), 111897#(<= ULTIMATE.start_main_~i~5 39), 111896#(<= ULTIMATE.start_main_~i~5 38), 111899#(<= ULTIMATE.start_main_~i~5 41), 111898#(<= ULTIMATE.start_main_~i~5 40), 111901#(<= ULTIMATE.start_main_~i~5 43), 111900#(<= ULTIMATE.start_main_~i~5 42), 111903#(<= ULTIMATE.start_main_~i~5 45), 111902#(<= ULTIMATE.start_main_~i~5 44), 111905#(<= ULTIMATE.start_main_~i~5 47), 111904#(<= ULTIMATE.start_main_~i~5 46), 111907#(<= ULTIMATE.start_main_~i~5 49), 111906#(<= ULTIMATE.start_main_~i~5 48), 111909#(<= ULTIMATE.start_main_~i~5 51), 111908#(<= ULTIMATE.start_main_~i~5 50), 111911#(<= ULTIMATE.start_main_~i~5 53), 111910#(<= ULTIMATE.start_main_~i~5 52), 111913#(<= ULTIMATE.start_main_~i~5 55), 111912#(<= ULTIMATE.start_main_~i~5 54), 111915#(<= ULTIMATE.start_main_~i~5 57), 111914#(<= ULTIMATE.start_main_~i~5 56), 111917#(<= ULTIMATE.start_main_~i~5 59), 111916#(<= ULTIMATE.start_main_~i~5 58), 111919#(<= ULTIMATE.start_main_~i~5 61), 111918#(<= ULTIMATE.start_main_~i~5 60), 111921#(<= ULTIMATE.start_main_~i~5 63), 111920#(<= ULTIMATE.start_main_~i~5 62), 111923#(<= ULTIMATE.start_main_~i~5 65), 111922#(<= ULTIMATE.start_main_~i~5 64), 111925#(<= ULTIMATE.start_main_~i~5 67), 111924#(<= ULTIMATE.start_main_~i~5 66), 111927#(<= ULTIMATE.start_main_~i~5 69), 111926#(<= ULTIMATE.start_main_~i~5 68), 111929#(<= ULTIMATE.start_main_~i~5 71), 111928#(<= ULTIMATE.start_main_~i~5 70), 111931#(<= ULTIMATE.start_main_~i~5 73), 111930#(<= ULTIMATE.start_main_~i~5 72), 111933#(<= ULTIMATE.start_main_~i~5 75), 111932#(<= ULTIMATE.start_main_~i~5 74), 111935#(<= ULTIMATE.start_main_~i~5 77), 111934#(<= ULTIMATE.start_main_~i~5 76), 111937#(<= ULTIMATE.start_main_~i~5 79), 111936#(<= ULTIMATE.start_main_~i~5 78), 111939#(<= ULTIMATE.start_main_~i~5 81), 111938#(<= ULTIMATE.start_main_~i~5 80), 111941#(<= ULTIMATE.start_main_~i~5 83), 111940#(<= ULTIMATE.start_main_~i~5 82), 111943#(<= ULTIMATE.start_main_~i~5 85), 111942#(<= ULTIMATE.start_main_~i~5 84), 111945#(<= ULTIMATE.start_main_~i~5 87), 111944#(<= ULTIMATE.start_main_~i~5 86), 111947#(<= ULTIMATE.start_main_~i~5 89), 111946#(<= ULTIMATE.start_main_~i~5 88), 111949#(<= ULTIMATE.start_main_~i~5 91), 111948#(<= ULTIMATE.start_main_~i~5 90), 111951#(<= ULTIMATE.start_main_~i~5 93), 111950#(<= ULTIMATE.start_main_~i~5 92), 111953#(<= ULTIMATE.start_main_~i~5 95), 111952#(<= ULTIMATE.start_main_~i~5 94), 111955#(<= ULTIMATE.start_main_~i~5 97), 111954#(<= ULTIMATE.start_main_~i~5 96), 111957#(<= ULTIMATE.start_main_~i~5 99), 111956#(<= ULTIMATE.start_main_~i~5 98), 111959#(<= ULTIMATE.start_main_~i~5 101), 111958#(<= ULTIMATE.start_main_~i~5 100), 111961#(<= ULTIMATE.start_main_~i~5 103), 111960#(<= ULTIMATE.start_main_~i~5 102), 111963#(<= ULTIMATE.start_main_~i~5 105), 111962#(<= ULTIMATE.start_main_~i~5 104), 111965#(<= ULTIMATE.start_main_~i~5 107), 111964#(<= ULTIMATE.start_main_~i~5 106), 111967#(<= ULTIMATE.start_main_~i~5 109), 111966#(<= ULTIMATE.start_main_~i~5 108), 111969#(<= ULTIMATE.start_main_~i~5 111), 111968#(<= ULTIMATE.start_main_~i~5 110), 111971#(<= ULTIMATE.start_main_~i~5 113), 111970#(<= ULTIMATE.start_main_~i~5 112), 111973#(<= ULTIMATE.start_main_~i~5 115), 111972#(<= ULTIMATE.start_main_~i~5 114), 111975#(<= ULTIMATE.start_main_~i~5 117), 111974#(<= ULTIMATE.start_main_~i~5 116), 111977#(<= ULTIMATE.start_main_~i~5 119), 111976#(<= ULTIMATE.start_main_~i~5 118), 111979#(<= ULTIMATE.start_main_~i~5 121), 111978#(<= ULTIMATE.start_main_~i~5 120), 111981#(<= ULTIMATE.start_main_~i~5 123), 111980#(<= ULTIMATE.start_main_~i~5 122), 111983#(<= ULTIMATE.start_main_~i~5 125), 111982#(<= ULTIMATE.start_main_~i~5 124), 111985#(<= ULTIMATE.start_main_~i~5 127), 111984#(<= ULTIMATE.start_main_~i~5 126), 111987#(<= ULTIMATE.start_main_~i~5 129), 111986#(<= ULTIMATE.start_main_~i~5 128), 111989#(<= ULTIMATE.start_main_~i~5 131), 111988#(<= ULTIMATE.start_main_~i~5 130), 111991#(<= ULTIMATE.start_main_~i~5 133), 111990#(<= ULTIMATE.start_main_~i~5 132), 111993#(<= ULTIMATE.start_main_~i~5 135), 111992#(<= ULTIMATE.start_main_~i~5 134), 111995#(<= ULTIMATE.start_main_~i~5 137), 111994#(<= ULTIMATE.start_main_~i~5 136), 111997#(<= ULTIMATE.start_main_~i~5 139), 111996#(<= ULTIMATE.start_main_~i~5 138), 111999#(<= ULTIMATE.start_main_~i~5 141), 111998#(<= ULTIMATE.start_main_~i~5 140), 112001#(<= ULTIMATE.start_main_~i~5 143), 112000#(<= ULTIMATE.start_main_~i~5 142), 112003#(<= ULTIMATE.start_main_~i~5 145), 112002#(<= ULTIMATE.start_main_~i~5 144), 112005#(<= ULTIMATE.start_main_~i~5 147), 112004#(<= ULTIMATE.start_main_~i~5 146), 112007#(<= ULTIMATE.start_main_~i~5 149), 112006#(<= ULTIMATE.start_main_~i~5 148), 112009#(<= ULTIMATE.start_main_~i~5 151), 112008#(<= ULTIMATE.start_main_~i~5 150), 112011#(<= ULTIMATE.start_main_~i~5 153), 112010#(<= ULTIMATE.start_main_~i~5 152), 111857#false, 111856#true, 111859#(<= ULTIMATE.start_main_~i~5 1), 111858#(<= ULTIMATE.start_main_~i~5 0), 111861#(<= ULTIMATE.start_main_~i~5 3), 111860#(<= ULTIMATE.start_main_~i~5 2), 111863#(<= ULTIMATE.start_main_~i~5 5), 111862#(<= ULTIMATE.start_main_~i~5 4), 111865#(<= ULTIMATE.start_main_~i~5 7), 111864#(<= ULTIMATE.start_main_~i~5 6), 111867#(<= ULTIMATE.start_main_~i~5 9), 111866#(<= ULTIMATE.start_main_~i~5 8), 111869#(<= ULTIMATE.start_main_~i~5 11), 111868#(<= ULTIMATE.start_main_~i~5 10), 111871#(<= ULTIMATE.start_main_~i~5 13), 111870#(<= ULTIMATE.start_main_~i~5 12)] [2018-07-23 13:42:17,047 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:17,047 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:42:17,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:42:17,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:42:17,051 INFO L87 Difference]: Start difference. First operand 313 states and 314 transitions. Second operand 156 states. [2018-07-23 13:42:17,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:17,947 INFO L93 Difference]: Finished difference Result 319 states and 321 transitions. [2018-07-23 13:42:17,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:42:17,947 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 312 [2018-07-23 13:42:17,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:17,947 INFO L225 Difference]: With dead ends: 319 [2018-07-23 13:42:17,947 INFO L226 Difference]: Without dead ends: 315 [2018-07-23 13:42:17,949 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:42:17,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-07-23 13:42:17,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2018-07-23 13:42:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-07-23 13:42:17,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 316 transitions. [2018-07-23 13:42:17,952 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 316 transitions. Word has length 312 [2018-07-23 13:42:17,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:17,953 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 316 transitions. [2018-07-23 13:42:17,953 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:42:17,953 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 316 transitions. [2018-07-23 13:42:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-07-23 13:42:17,954 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:17,954 INFO L357 BasicCegarLoop]: trace histogram [155, 154, 1, 1, 1, 1, 1] [2018-07-23 13:42:17,954 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:17,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1533214893, now seen corresponding path program 154 times [2018-07-23 13:42:17,954 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:18,930 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:18,930 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:42:18,930 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:18,930 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 13:42:18,931 INFO L185 omatonBuilderFactory]: Interpolants [113409#(<= ULTIMATE.start_main_~i~5 127), 113408#(<= ULTIMATE.start_main_~i~5 126), 113411#(<= ULTIMATE.start_main_~i~5 129), 113410#(<= ULTIMATE.start_main_~i~5 128), 113413#(<= ULTIMATE.start_main_~i~5 131), 113412#(<= ULTIMATE.start_main_~i~5 130), 113415#(<= ULTIMATE.start_main_~i~5 133), 113414#(<= ULTIMATE.start_main_~i~5 132), 113417#(<= ULTIMATE.start_main_~i~5 135), 113416#(<= ULTIMATE.start_main_~i~5 134), 113419#(<= ULTIMATE.start_main_~i~5 137), 113418#(<= ULTIMATE.start_main_~i~5 136), 113421#(<= ULTIMATE.start_main_~i~5 139), 113420#(<= ULTIMATE.start_main_~i~5 138), 113423#(<= ULTIMATE.start_main_~i~5 141), 113422#(<= ULTIMATE.start_main_~i~5 140), 113425#(<= ULTIMATE.start_main_~i~5 143), 113424#(<= ULTIMATE.start_main_~i~5 142), 113427#(<= ULTIMATE.start_main_~i~5 145), 113426#(<= ULTIMATE.start_main_~i~5 144), 113429#(<= ULTIMATE.start_main_~i~5 147), 113428#(<= ULTIMATE.start_main_~i~5 146), 113431#(<= ULTIMATE.start_main_~i~5 149), 113430#(<= ULTIMATE.start_main_~i~5 148), 113433#(<= ULTIMATE.start_main_~i~5 151), 113432#(<= ULTIMATE.start_main_~i~5 150), 113435#(<= ULTIMATE.start_main_~i~5 153), 113434#(<= ULTIMATE.start_main_~i~5 152), 113436#(<= ULTIMATE.start_main_~i~5 154), 113281#false, 113280#true, 113283#(<= ULTIMATE.start_main_~i~5 1), 113282#(<= ULTIMATE.start_main_~i~5 0), 113285#(<= ULTIMATE.start_main_~i~5 3), 113284#(<= ULTIMATE.start_main_~i~5 2), 113287#(<= ULTIMATE.start_main_~i~5 5), 113286#(<= ULTIMATE.start_main_~i~5 4), 113289#(<= ULTIMATE.start_main_~i~5 7), 113288#(<= ULTIMATE.start_main_~i~5 6), 113291#(<= ULTIMATE.start_main_~i~5 9), 113290#(<= ULTIMATE.start_main_~i~5 8), 113293#(<= ULTIMATE.start_main_~i~5 11), 113292#(<= ULTIMATE.start_main_~i~5 10), 113295#(<= ULTIMATE.start_main_~i~5 13), 113294#(<= ULTIMATE.start_main_~i~5 12), 113297#(<= ULTIMATE.start_main_~i~5 15), 113296#(<= ULTIMATE.start_main_~i~5 14), 113299#(<= ULTIMATE.start_main_~i~5 17), 113298#(<= ULTIMATE.start_main_~i~5 16), 113301#(<= ULTIMATE.start_main_~i~5 19), 113300#(<= ULTIMATE.start_main_~i~5 18), 113303#(<= ULTIMATE.start_main_~i~5 21), 113302#(<= ULTIMATE.start_main_~i~5 20), 113305#(<= ULTIMATE.start_main_~i~5 23), 113304#(<= ULTIMATE.start_main_~i~5 22), 113307#(<= ULTIMATE.start_main_~i~5 25), 113306#(<= ULTIMATE.start_main_~i~5 24), 113309#(<= ULTIMATE.start_main_~i~5 27), 113308#(<= ULTIMATE.start_main_~i~5 26), 113311#(<= ULTIMATE.start_main_~i~5 29), 113310#(<= ULTIMATE.start_main_~i~5 28), 113313#(<= ULTIMATE.start_main_~i~5 31), 113312#(<= ULTIMATE.start_main_~i~5 30), 113315#(<= ULTIMATE.start_main_~i~5 33), 113314#(<= ULTIMATE.start_main_~i~5 32), 113317#(<= ULTIMATE.start_main_~i~5 35), 113316#(<= ULTIMATE.start_main_~i~5 34), 113319#(<= ULTIMATE.start_main_~i~5 37), 113318#(<= ULTIMATE.start_main_~i~5 36), 113321#(<= ULTIMATE.start_main_~i~5 39), 113320#(<= ULTIMATE.start_main_~i~5 38), 113323#(<= ULTIMATE.start_main_~i~5 41), 113322#(<= ULTIMATE.start_main_~i~5 40), 113325#(<= ULTIMATE.start_main_~i~5 43), 113324#(<= ULTIMATE.start_main_~i~5 42), 113327#(<= ULTIMATE.start_main_~i~5 45), 113326#(<= ULTIMATE.start_main_~i~5 44), 113329#(<= ULTIMATE.start_main_~i~5 47), 113328#(<= ULTIMATE.start_main_~i~5 46), 113331#(<= ULTIMATE.start_main_~i~5 49), 113330#(<= ULTIMATE.start_main_~i~5 48), 113333#(<= ULTIMATE.start_main_~i~5 51), 113332#(<= ULTIMATE.start_main_~i~5 50), 113335#(<= ULTIMATE.start_main_~i~5 53), 113334#(<= ULTIMATE.start_main_~i~5 52), 113337#(<= ULTIMATE.start_main_~i~5 55), 113336#(<= ULTIMATE.start_main_~i~5 54), 113339#(<= ULTIMATE.start_main_~i~5 57), 113338#(<= ULTIMATE.start_main_~i~5 56), 113341#(<= ULTIMATE.start_main_~i~5 59), 113340#(<= ULTIMATE.start_main_~i~5 58), 113343#(<= ULTIMATE.start_main_~i~5 61), 113342#(<= ULTIMATE.start_main_~i~5 60), 113345#(<= ULTIMATE.start_main_~i~5 63), 113344#(<= ULTIMATE.start_main_~i~5 62), 113347#(<= ULTIMATE.start_main_~i~5 65), 113346#(<= ULTIMATE.start_main_~i~5 64), 113349#(<= ULTIMATE.start_main_~i~5 67), 113348#(<= ULTIMATE.start_main_~i~5 66), 113351#(<= ULTIMATE.start_main_~i~5 69), 113350#(<= ULTIMATE.start_main_~i~5 68), 113353#(<= ULTIMATE.start_main_~i~5 71), 113352#(<= ULTIMATE.start_main_~i~5 70), 113355#(<= ULTIMATE.start_main_~i~5 73), 113354#(<= ULTIMATE.start_main_~i~5 72), 113357#(<= ULTIMATE.start_main_~i~5 75), 113356#(<= ULTIMATE.start_main_~i~5 74), 113359#(<= ULTIMATE.start_main_~i~5 77), 113358#(<= ULTIMATE.start_main_~i~5 76), 113361#(<= ULTIMATE.start_main_~i~5 79), 113360#(<= ULTIMATE.start_main_~i~5 78), 113363#(<= ULTIMATE.start_main_~i~5 81), 113362#(<= ULTIMATE.start_main_~i~5 80), 113365#(<= ULTIMATE.start_main_~i~5 83), 113364#(<= ULTIMATE.start_main_~i~5 82), 113367#(<= ULTIMATE.start_main_~i~5 85), 113366#(<= ULTIMATE.start_main_~i~5 84), 113369#(<= ULTIMATE.start_main_~i~5 87), 113368#(<= ULTIMATE.start_main_~i~5 86), 113371#(<= ULTIMATE.start_main_~i~5 89), 113370#(<= ULTIMATE.start_main_~i~5 88), 113373#(<= ULTIMATE.start_main_~i~5 91), 113372#(<= ULTIMATE.start_main_~i~5 90), 113375#(<= ULTIMATE.start_main_~i~5 93), 113374#(<= ULTIMATE.start_main_~i~5 92), 113377#(<= ULTIMATE.start_main_~i~5 95), 113376#(<= ULTIMATE.start_main_~i~5 94), 113379#(<= ULTIMATE.start_main_~i~5 97), 113378#(<= ULTIMATE.start_main_~i~5 96), 113381#(<= ULTIMATE.start_main_~i~5 99), 113380#(<= ULTIMATE.start_main_~i~5 98), 113383#(<= ULTIMATE.start_main_~i~5 101), 113382#(<= ULTIMATE.start_main_~i~5 100), 113385#(<= ULTIMATE.start_main_~i~5 103), 113384#(<= ULTIMATE.start_main_~i~5 102), 113387#(<= ULTIMATE.start_main_~i~5 105), 113386#(<= ULTIMATE.start_main_~i~5 104), 113389#(<= ULTIMATE.start_main_~i~5 107), 113388#(<= ULTIMATE.start_main_~i~5 106), 113391#(<= ULTIMATE.start_main_~i~5 109), 113390#(<= ULTIMATE.start_main_~i~5 108), 113393#(<= ULTIMATE.start_main_~i~5 111), 113392#(<= ULTIMATE.start_main_~i~5 110), 113395#(<= ULTIMATE.start_main_~i~5 113), 113394#(<= ULTIMATE.start_main_~i~5 112), 113397#(<= ULTIMATE.start_main_~i~5 115), 113396#(<= ULTIMATE.start_main_~i~5 114), 113399#(<= ULTIMATE.start_main_~i~5 117), 113398#(<= ULTIMATE.start_main_~i~5 116), 113401#(<= ULTIMATE.start_main_~i~5 119), 113400#(<= ULTIMATE.start_main_~i~5 118), 113403#(<= ULTIMATE.start_main_~i~5 121), 113402#(<= ULTIMATE.start_main_~i~5 120), 113405#(<= ULTIMATE.start_main_~i~5 123), 113404#(<= ULTIMATE.start_main_~i~5 122), 113407#(<= ULTIMATE.start_main_~i~5 125), 113406#(<= ULTIMATE.start_main_~i~5 124)] [2018-07-23 13:42:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:18,932 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:42:18,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:42:18,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:42:18,935 INFO L87 Difference]: Start difference. First operand 315 states and 316 transitions. Second operand 157 states. [2018-07-23 13:42:19,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:19,500 INFO L93 Difference]: Finished difference Result 321 states and 323 transitions. [2018-07-23 13:42:19,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:42:19,500 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 314 [2018-07-23 13:42:19,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:19,501 INFO L225 Difference]: With dead ends: 321 [2018-07-23 13:42:19,501 INFO L226 Difference]: Without dead ends: 317 [2018-07-23 13:42:19,502 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 13:42:19,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-07-23 13:42:19,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-07-23 13:42:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-07-23 13:42:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 318 transitions. [2018-07-23 13:42:19,506 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 318 transitions. Word has length 314 [2018-07-23 13:42:19,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:19,506 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 318 transitions. [2018-07-23 13:42:19,506 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:42:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 318 transitions. [2018-07-23 13:42:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-07-23 13:42:19,508 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:19,508 INFO L357 BasicCegarLoop]: trace histogram [156, 155, 1, 1, 1, 1, 1] [2018-07-23 13:42:19,508 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:19,508 INFO L82 PathProgramCache]: Analyzing trace with hash -329287857, now seen corresponding path program 155 times [2018-07-23 13:42:19,508 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:20,526 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:20,526 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:42:20,526 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:20,526 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 13:42:20,527 INFO L185 omatonBuilderFactory]: Interpolants [114713#true, 114715#(<= ULTIMATE.start_main_~i~5 0), 114714#false, 114717#(<= ULTIMATE.start_main_~i~5 2), 114716#(<= ULTIMATE.start_main_~i~5 1), 114719#(<= ULTIMATE.start_main_~i~5 4), 114718#(<= ULTIMATE.start_main_~i~5 3), 114721#(<= ULTIMATE.start_main_~i~5 6), 114720#(<= ULTIMATE.start_main_~i~5 5), 114723#(<= ULTIMATE.start_main_~i~5 8), 114722#(<= ULTIMATE.start_main_~i~5 7), 114725#(<= ULTIMATE.start_main_~i~5 10), 114724#(<= ULTIMATE.start_main_~i~5 9), 114727#(<= ULTIMATE.start_main_~i~5 12), 114726#(<= ULTIMATE.start_main_~i~5 11), 114729#(<= ULTIMATE.start_main_~i~5 14), 114728#(<= ULTIMATE.start_main_~i~5 13), 114731#(<= ULTIMATE.start_main_~i~5 16), 114730#(<= ULTIMATE.start_main_~i~5 15), 114733#(<= ULTIMATE.start_main_~i~5 18), 114732#(<= ULTIMATE.start_main_~i~5 17), 114735#(<= ULTIMATE.start_main_~i~5 20), 114734#(<= ULTIMATE.start_main_~i~5 19), 114737#(<= ULTIMATE.start_main_~i~5 22), 114736#(<= ULTIMATE.start_main_~i~5 21), 114739#(<= ULTIMATE.start_main_~i~5 24), 114738#(<= ULTIMATE.start_main_~i~5 23), 114741#(<= ULTIMATE.start_main_~i~5 26), 114740#(<= ULTIMATE.start_main_~i~5 25), 114743#(<= ULTIMATE.start_main_~i~5 28), 114742#(<= ULTIMATE.start_main_~i~5 27), 114745#(<= ULTIMATE.start_main_~i~5 30), 114744#(<= ULTIMATE.start_main_~i~5 29), 114747#(<= ULTIMATE.start_main_~i~5 32), 114746#(<= ULTIMATE.start_main_~i~5 31), 114749#(<= ULTIMATE.start_main_~i~5 34), 114748#(<= ULTIMATE.start_main_~i~5 33), 114751#(<= ULTIMATE.start_main_~i~5 36), 114750#(<= ULTIMATE.start_main_~i~5 35), 114753#(<= ULTIMATE.start_main_~i~5 38), 114752#(<= ULTIMATE.start_main_~i~5 37), 114755#(<= ULTIMATE.start_main_~i~5 40), 114754#(<= ULTIMATE.start_main_~i~5 39), 114757#(<= ULTIMATE.start_main_~i~5 42), 114756#(<= ULTIMATE.start_main_~i~5 41), 114759#(<= ULTIMATE.start_main_~i~5 44), 114758#(<= ULTIMATE.start_main_~i~5 43), 114761#(<= ULTIMATE.start_main_~i~5 46), 114760#(<= ULTIMATE.start_main_~i~5 45), 114763#(<= ULTIMATE.start_main_~i~5 48), 114762#(<= ULTIMATE.start_main_~i~5 47), 114765#(<= ULTIMATE.start_main_~i~5 50), 114764#(<= ULTIMATE.start_main_~i~5 49), 114767#(<= ULTIMATE.start_main_~i~5 52), 114766#(<= ULTIMATE.start_main_~i~5 51), 114769#(<= ULTIMATE.start_main_~i~5 54), 114768#(<= ULTIMATE.start_main_~i~5 53), 114771#(<= ULTIMATE.start_main_~i~5 56), 114770#(<= ULTIMATE.start_main_~i~5 55), 114773#(<= ULTIMATE.start_main_~i~5 58), 114772#(<= ULTIMATE.start_main_~i~5 57), 114775#(<= ULTIMATE.start_main_~i~5 60), 114774#(<= ULTIMATE.start_main_~i~5 59), 114777#(<= ULTIMATE.start_main_~i~5 62), 114776#(<= ULTIMATE.start_main_~i~5 61), 114779#(<= ULTIMATE.start_main_~i~5 64), 114778#(<= ULTIMATE.start_main_~i~5 63), 114781#(<= ULTIMATE.start_main_~i~5 66), 114780#(<= ULTIMATE.start_main_~i~5 65), 114783#(<= ULTIMATE.start_main_~i~5 68), 114782#(<= ULTIMATE.start_main_~i~5 67), 114785#(<= ULTIMATE.start_main_~i~5 70), 114784#(<= ULTIMATE.start_main_~i~5 69), 114787#(<= ULTIMATE.start_main_~i~5 72), 114786#(<= ULTIMATE.start_main_~i~5 71), 114789#(<= ULTIMATE.start_main_~i~5 74), 114788#(<= ULTIMATE.start_main_~i~5 73), 114791#(<= ULTIMATE.start_main_~i~5 76), 114790#(<= ULTIMATE.start_main_~i~5 75), 114793#(<= ULTIMATE.start_main_~i~5 78), 114792#(<= ULTIMATE.start_main_~i~5 77), 114795#(<= ULTIMATE.start_main_~i~5 80), 114794#(<= ULTIMATE.start_main_~i~5 79), 114797#(<= ULTIMATE.start_main_~i~5 82), 114796#(<= ULTIMATE.start_main_~i~5 81), 114799#(<= ULTIMATE.start_main_~i~5 84), 114798#(<= ULTIMATE.start_main_~i~5 83), 114801#(<= ULTIMATE.start_main_~i~5 86), 114800#(<= ULTIMATE.start_main_~i~5 85), 114803#(<= ULTIMATE.start_main_~i~5 88), 114802#(<= ULTIMATE.start_main_~i~5 87), 114805#(<= ULTIMATE.start_main_~i~5 90), 114804#(<= ULTIMATE.start_main_~i~5 89), 114807#(<= ULTIMATE.start_main_~i~5 92), 114806#(<= ULTIMATE.start_main_~i~5 91), 114809#(<= ULTIMATE.start_main_~i~5 94), 114808#(<= ULTIMATE.start_main_~i~5 93), 114811#(<= ULTIMATE.start_main_~i~5 96), 114810#(<= ULTIMATE.start_main_~i~5 95), 114813#(<= ULTIMATE.start_main_~i~5 98), 114812#(<= ULTIMATE.start_main_~i~5 97), 114815#(<= ULTIMATE.start_main_~i~5 100), 114814#(<= ULTIMATE.start_main_~i~5 99), 114817#(<= ULTIMATE.start_main_~i~5 102), 114816#(<= ULTIMATE.start_main_~i~5 101), 114819#(<= ULTIMATE.start_main_~i~5 104), 114818#(<= ULTIMATE.start_main_~i~5 103), 114821#(<= ULTIMATE.start_main_~i~5 106), 114820#(<= ULTIMATE.start_main_~i~5 105), 114823#(<= ULTIMATE.start_main_~i~5 108), 114822#(<= ULTIMATE.start_main_~i~5 107), 114825#(<= ULTIMATE.start_main_~i~5 110), 114824#(<= ULTIMATE.start_main_~i~5 109), 114827#(<= ULTIMATE.start_main_~i~5 112), 114826#(<= ULTIMATE.start_main_~i~5 111), 114829#(<= ULTIMATE.start_main_~i~5 114), 114828#(<= ULTIMATE.start_main_~i~5 113), 114831#(<= ULTIMATE.start_main_~i~5 116), 114830#(<= ULTIMATE.start_main_~i~5 115), 114833#(<= ULTIMATE.start_main_~i~5 118), 114832#(<= ULTIMATE.start_main_~i~5 117), 114835#(<= ULTIMATE.start_main_~i~5 120), 114834#(<= ULTIMATE.start_main_~i~5 119), 114837#(<= ULTIMATE.start_main_~i~5 122), 114836#(<= ULTIMATE.start_main_~i~5 121), 114839#(<= ULTIMATE.start_main_~i~5 124), 114838#(<= ULTIMATE.start_main_~i~5 123), 114841#(<= ULTIMATE.start_main_~i~5 126), 114840#(<= ULTIMATE.start_main_~i~5 125), 114843#(<= ULTIMATE.start_main_~i~5 128), 114842#(<= ULTIMATE.start_main_~i~5 127), 114845#(<= ULTIMATE.start_main_~i~5 130), 114844#(<= ULTIMATE.start_main_~i~5 129), 114847#(<= ULTIMATE.start_main_~i~5 132), 114846#(<= ULTIMATE.start_main_~i~5 131), 114849#(<= ULTIMATE.start_main_~i~5 134), 114848#(<= ULTIMATE.start_main_~i~5 133), 114851#(<= ULTIMATE.start_main_~i~5 136), 114850#(<= ULTIMATE.start_main_~i~5 135), 114853#(<= ULTIMATE.start_main_~i~5 138), 114852#(<= ULTIMATE.start_main_~i~5 137), 114855#(<= ULTIMATE.start_main_~i~5 140), 114854#(<= ULTIMATE.start_main_~i~5 139), 114857#(<= ULTIMATE.start_main_~i~5 142), 114856#(<= ULTIMATE.start_main_~i~5 141), 114859#(<= ULTIMATE.start_main_~i~5 144), 114858#(<= ULTIMATE.start_main_~i~5 143), 114861#(<= ULTIMATE.start_main_~i~5 146), 114860#(<= ULTIMATE.start_main_~i~5 145), 114863#(<= ULTIMATE.start_main_~i~5 148), 114862#(<= ULTIMATE.start_main_~i~5 147), 114865#(<= ULTIMATE.start_main_~i~5 150), 114864#(<= ULTIMATE.start_main_~i~5 149), 114867#(<= ULTIMATE.start_main_~i~5 152), 114866#(<= ULTIMATE.start_main_~i~5 151), 114869#(<= ULTIMATE.start_main_~i~5 154), 114868#(<= ULTIMATE.start_main_~i~5 153), 114870#(<= ULTIMATE.start_main_~i~5 155)] [2018-07-23 13:42:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:20,529 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:42:20,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:42:20,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:42:20,532 INFO L87 Difference]: Start difference. First operand 317 states and 318 transitions. Second operand 158 states. [2018-07-23 13:42:21,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:21,542 INFO L93 Difference]: Finished difference Result 323 states and 325 transitions. [2018-07-23 13:42:21,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:42:21,542 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 316 [2018-07-23 13:42:21,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:21,543 INFO L225 Difference]: With dead ends: 323 [2018-07-23 13:42:21,543 INFO L226 Difference]: Without dead ends: 319 [2018-07-23 13:42:21,544 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:42:21,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-07-23 13:42:21,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-07-23 13:42:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-07-23 13:42:21,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 320 transitions. [2018-07-23 13:42:21,549 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 320 transitions. Word has length 316 [2018-07-23 13:42:21,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:21,550 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 320 transitions. [2018-07-23 13:42:21,550 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:42:21,550 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 320 transitions. [2018-07-23 13:42:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-07-23 13:42:21,551 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:21,551 INFO L357 BasicCegarLoop]: trace histogram [157, 156, 1, 1, 1, 1, 1] [2018-07-23 13:42:21,552 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:21,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1298391115, now seen corresponding path program 156 times [2018-07-23 13:42:21,552 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:22,644 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:22,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:42:22,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:22,644 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 13:42:22,644 INFO L185 omatonBuilderFactory]: Interpolants [116225#(<= ULTIMATE.start_main_~i~5 68), 116224#(<= ULTIMATE.start_main_~i~5 67), 116227#(<= ULTIMATE.start_main_~i~5 70), 116226#(<= ULTIMATE.start_main_~i~5 69), 116229#(<= ULTIMATE.start_main_~i~5 72), 116228#(<= ULTIMATE.start_main_~i~5 71), 116231#(<= ULTIMATE.start_main_~i~5 74), 116230#(<= ULTIMATE.start_main_~i~5 73), 116233#(<= ULTIMATE.start_main_~i~5 76), 116232#(<= ULTIMATE.start_main_~i~5 75), 116235#(<= ULTIMATE.start_main_~i~5 78), 116234#(<= ULTIMATE.start_main_~i~5 77), 116237#(<= ULTIMATE.start_main_~i~5 80), 116236#(<= ULTIMATE.start_main_~i~5 79), 116239#(<= ULTIMATE.start_main_~i~5 82), 116238#(<= ULTIMATE.start_main_~i~5 81), 116241#(<= ULTIMATE.start_main_~i~5 84), 116240#(<= ULTIMATE.start_main_~i~5 83), 116243#(<= ULTIMATE.start_main_~i~5 86), 116242#(<= ULTIMATE.start_main_~i~5 85), 116245#(<= ULTIMATE.start_main_~i~5 88), 116244#(<= ULTIMATE.start_main_~i~5 87), 116247#(<= ULTIMATE.start_main_~i~5 90), 116246#(<= ULTIMATE.start_main_~i~5 89), 116249#(<= ULTIMATE.start_main_~i~5 92), 116248#(<= ULTIMATE.start_main_~i~5 91), 116251#(<= ULTIMATE.start_main_~i~5 94), 116250#(<= ULTIMATE.start_main_~i~5 93), 116253#(<= ULTIMATE.start_main_~i~5 96), 116252#(<= ULTIMATE.start_main_~i~5 95), 116255#(<= ULTIMATE.start_main_~i~5 98), 116254#(<= ULTIMATE.start_main_~i~5 97), 116257#(<= ULTIMATE.start_main_~i~5 100), 116256#(<= ULTIMATE.start_main_~i~5 99), 116259#(<= ULTIMATE.start_main_~i~5 102), 116258#(<= ULTIMATE.start_main_~i~5 101), 116261#(<= ULTIMATE.start_main_~i~5 104), 116260#(<= ULTIMATE.start_main_~i~5 103), 116263#(<= ULTIMATE.start_main_~i~5 106), 116262#(<= ULTIMATE.start_main_~i~5 105), 116265#(<= ULTIMATE.start_main_~i~5 108), 116264#(<= ULTIMATE.start_main_~i~5 107), 116267#(<= ULTIMATE.start_main_~i~5 110), 116266#(<= ULTIMATE.start_main_~i~5 109), 116269#(<= ULTIMATE.start_main_~i~5 112), 116268#(<= ULTIMATE.start_main_~i~5 111), 116271#(<= ULTIMATE.start_main_~i~5 114), 116270#(<= ULTIMATE.start_main_~i~5 113), 116273#(<= ULTIMATE.start_main_~i~5 116), 116272#(<= ULTIMATE.start_main_~i~5 115), 116275#(<= ULTIMATE.start_main_~i~5 118), 116274#(<= ULTIMATE.start_main_~i~5 117), 116277#(<= ULTIMATE.start_main_~i~5 120), 116276#(<= ULTIMATE.start_main_~i~5 119), 116279#(<= ULTIMATE.start_main_~i~5 122), 116278#(<= ULTIMATE.start_main_~i~5 121), 116281#(<= ULTIMATE.start_main_~i~5 124), 116280#(<= ULTIMATE.start_main_~i~5 123), 116283#(<= ULTIMATE.start_main_~i~5 126), 116282#(<= ULTIMATE.start_main_~i~5 125), 116285#(<= ULTIMATE.start_main_~i~5 128), 116284#(<= ULTIMATE.start_main_~i~5 127), 116287#(<= ULTIMATE.start_main_~i~5 130), 116286#(<= ULTIMATE.start_main_~i~5 129), 116289#(<= ULTIMATE.start_main_~i~5 132), 116288#(<= ULTIMATE.start_main_~i~5 131), 116291#(<= ULTIMATE.start_main_~i~5 134), 116290#(<= ULTIMATE.start_main_~i~5 133), 116293#(<= ULTIMATE.start_main_~i~5 136), 116292#(<= ULTIMATE.start_main_~i~5 135), 116295#(<= ULTIMATE.start_main_~i~5 138), 116294#(<= ULTIMATE.start_main_~i~5 137), 116297#(<= ULTIMATE.start_main_~i~5 140), 116296#(<= ULTIMATE.start_main_~i~5 139), 116299#(<= ULTIMATE.start_main_~i~5 142), 116298#(<= ULTIMATE.start_main_~i~5 141), 116301#(<= ULTIMATE.start_main_~i~5 144), 116300#(<= ULTIMATE.start_main_~i~5 143), 116303#(<= ULTIMATE.start_main_~i~5 146), 116302#(<= ULTIMATE.start_main_~i~5 145), 116305#(<= ULTIMATE.start_main_~i~5 148), 116304#(<= ULTIMATE.start_main_~i~5 147), 116307#(<= ULTIMATE.start_main_~i~5 150), 116306#(<= ULTIMATE.start_main_~i~5 149), 116309#(<= ULTIMATE.start_main_~i~5 152), 116308#(<= ULTIMATE.start_main_~i~5 151), 116311#(<= ULTIMATE.start_main_~i~5 154), 116310#(<= ULTIMATE.start_main_~i~5 153), 116313#(<= ULTIMATE.start_main_~i~5 156), 116312#(<= ULTIMATE.start_main_~i~5 155), 116155#true, 116157#(<= ULTIMATE.start_main_~i~5 0), 116156#false, 116159#(<= ULTIMATE.start_main_~i~5 2), 116158#(<= ULTIMATE.start_main_~i~5 1), 116161#(<= ULTIMATE.start_main_~i~5 4), 116160#(<= ULTIMATE.start_main_~i~5 3), 116163#(<= ULTIMATE.start_main_~i~5 6), 116162#(<= ULTIMATE.start_main_~i~5 5), 116165#(<= ULTIMATE.start_main_~i~5 8), 116164#(<= ULTIMATE.start_main_~i~5 7), 116167#(<= ULTIMATE.start_main_~i~5 10), 116166#(<= ULTIMATE.start_main_~i~5 9), 116169#(<= ULTIMATE.start_main_~i~5 12), 116168#(<= ULTIMATE.start_main_~i~5 11), 116171#(<= ULTIMATE.start_main_~i~5 14), 116170#(<= ULTIMATE.start_main_~i~5 13), 116173#(<= ULTIMATE.start_main_~i~5 16), 116172#(<= ULTIMATE.start_main_~i~5 15), 116175#(<= ULTIMATE.start_main_~i~5 18), 116174#(<= ULTIMATE.start_main_~i~5 17), 116177#(<= ULTIMATE.start_main_~i~5 20), 116176#(<= ULTIMATE.start_main_~i~5 19), 116179#(<= ULTIMATE.start_main_~i~5 22), 116178#(<= ULTIMATE.start_main_~i~5 21), 116181#(<= ULTIMATE.start_main_~i~5 24), 116180#(<= ULTIMATE.start_main_~i~5 23), 116183#(<= ULTIMATE.start_main_~i~5 26), 116182#(<= ULTIMATE.start_main_~i~5 25), 116185#(<= ULTIMATE.start_main_~i~5 28), 116184#(<= ULTIMATE.start_main_~i~5 27), 116187#(<= ULTIMATE.start_main_~i~5 30), 116186#(<= ULTIMATE.start_main_~i~5 29), 116189#(<= ULTIMATE.start_main_~i~5 32), 116188#(<= ULTIMATE.start_main_~i~5 31), 116191#(<= ULTIMATE.start_main_~i~5 34), 116190#(<= ULTIMATE.start_main_~i~5 33), 116193#(<= ULTIMATE.start_main_~i~5 36), 116192#(<= ULTIMATE.start_main_~i~5 35), 116195#(<= ULTIMATE.start_main_~i~5 38), 116194#(<= ULTIMATE.start_main_~i~5 37), 116197#(<= ULTIMATE.start_main_~i~5 40), 116196#(<= ULTIMATE.start_main_~i~5 39), 116199#(<= ULTIMATE.start_main_~i~5 42), 116198#(<= ULTIMATE.start_main_~i~5 41), 116201#(<= ULTIMATE.start_main_~i~5 44), 116200#(<= ULTIMATE.start_main_~i~5 43), 116203#(<= ULTIMATE.start_main_~i~5 46), 116202#(<= ULTIMATE.start_main_~i~5 45), 116205#(<= ULTIMATE.start_main_~i~5 48), 116204#(<= ULTIMATE.start_main_~i~5 47), 116207#(<= ULTIMATE.start_main_~i~5 50), 116206#(<= ULTIMATE.start_main_~i~5 49), 116209#(<= ULTIMATE.start_main_~i~5 52), 116208#(<= ULTIMATE.start_main_~i~5 51), 116211#(<= ULTIMATE.start_main_~i~5 54), 116210#(<= ULTIMATE.start_main_~i~5 53), 116213#(<= ULTIMATE.start_main_~i~5 56), 116212#(<= ULTIMATE.start_main_~i~5 55), 116215#(<= ULTIMATE.start_main_~i~5 58), 116214#(<= ULTIMATE.start_main_~i~5 57), 116217#(<= ULTIMATE.start_main_~i~5 60), 116216#(<= ULTIMATE.start_main_~i~5 59), 116219#(<= ULTIMATE.start_main_~i~5 62), 116218#(<= ULTIMATE.start_main_~i~5 61), 116221#(<= ULTIMATE.start_main_~i~5 64), 116220#(<= ULTIMATE.start_main_~i~5 63), 116223#(<= ULTIMATE.start_main_~i~5 66), 116222#(<= ULTIMATE.start_main_~i~5 65)] [2018-07-23 13:42:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:22,646 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:42:22,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:42:22,648 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:42:22,648 INFO L87 Difference]: Start difference. First operand 319 states and 320 transitions. Second operand 159 states. [2018-07-23 13:42:23,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:23,017 INFO L93 Difference]: Finished difference Result 325 states and 327 transitions. [2018-07-23 13:42:23,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:42:23,017 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 318 [2018-07-23 13:42:23,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:23,018 INFO L225 Difference]: With dead ends: 325 [2018-07-23 13:42:23,018 INFO L226 Difference]: Without dead ends: 321 [2018-07-23 13:42:23,020 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 13:42:23,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-07-23 13:42:23,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-07-23 13:42:23,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-07-23 13:42:23,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 322 transitions. [2018-07-23 13:42:23,024 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 322 transitions. Word has length 318 [2018-07-23 13:42:23,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:23,024 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 322 transitions. [2018-07-23 13:42:23,024 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:42:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 322 transitions. [2018-07-23 13:42:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-07-23 13:42:23,025 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:23,025 INFO L357 BasicCegarLoop]: trace histogram [158, 157, 1, 1, 1, 1, 1] [2018-07-23 13:42:23,025 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:23,025 INFO L82 PathProgramCache]: Analyzing trace with hash 2129787463, now seen corresponding path program 157 times [2018-07-23 13:42:23,025 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:24,059 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:24,059 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:42:24,059 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:24,060 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 13:42:24,060 INFO L185 omatonBuilderFactory]: Interpolants [117761#(<= ULTIMATE.start_main_~i~5 153), 117760#(<= ULTIMATE.start_main_~i~5 152), 117763#(<= ULTIMATE.start_main_~i~5 155), 117762#(<= ULTIMATE.start_main_~i~5 154), 117765#(<= ULTIMATE.start_main_~i~5 157), 117764#(<= ULTIMATE.start_main_~i~5 156), 117607#false, 117606#true, 117609#(<= ULTIMATE.start_main_~i~5 1), 117608#(<= ULTIMATE.start_main_~i~5 0), 117611#(<= ULTIMATE.start_main_~i~5 3), 117610#(<= ULTIMATE.start_main_~i~5 2), 117613#(<= ULTIMATE.start_main_~i~5 5), 117612#(<= ULTIMATE.start_main_~i~5 4), 117615#(<= ULTIMATE.start_main_~i~5 7), 117614#(<= ULTIMATE.start_main_~i~5 6), 117617#(<= ULTIMATE.start_main_~i~5 9), 117616#(<= ULTIMATE.start_main_~i~5 8), 117619#(<= ULTIMATE.start_main_~i~5 11), 117618#(<= ULTIMATE.start_main_~i~5 10), 117621#(<= ULTIMATE.start_main_~i~5 13), 117620#(<= ULTIMATE.start_main_~i~5 12), 117623#(<= ULTIMATE.start_main_~i~5 15), 117622#(<= ULTIMATE.start_main_~i~5 14), 117625#(<= ULTIMATE.start_main_~i~5 17), 117624#(<= ULTIMATE.start_main_~i~5 16), 117627#(<= ULTIMATE.start_main_~i~5 19), 117626#(<= ULTIMATE.start_main_~i~5 18), 117629#(<= ULTIMATE.start_main_~i~5 21), 117628#(<= ULTIMATE.start_main_~i~5 20), 117631#(<= ULTIMATE.start_main_~i~5 23), 117630#(<= ULTIMATE.start_main_~i~5 22), 117633#(<= ULTIMATE.start_main_~i~5 25), 117632#(<= ULTIMATE.start_main_~i~5 24), 117635#(<= ULTIMATE.start_main_~i~5 27), 117634#(<= ULTIMATE.start_main_~i~5 26), 117637#(<= ULTIMATE.start_main_~i~5 29), 117636#(<= ULTIMATE.start_main_~i~5 28), 117639#(<= ULTIMATE.start_main_~i~5 31), 117638#(<= ULTIMATE.start_main_~i~5 30), 117641#(<= ULTIMATE.start_main_~i~5 33), 117640#(<= ULTIMATE.start_main_~i~5 32), 117643#(<= ULTIMATE.start_main_~i~5 35), 117642#(<= ULTIMATE.start_main_~i~5 34), 117645#(<= ULTIMATE.start_main_~i~5 37), 117644#(<= ULTIMATE.start_main_~i~5 36), 117647#(<= ULTIMATE.start_main_~i~5 39), 117646#(<= ULTIMATE.start_main_~i~5 38), 117649#(<= ULTIMATE.start_main_~i~5 41), 117648#(<= ULTIMATE.start_main_~i~5 40), 117651#(<= ULTIMATE.start_main_~i~5 43), 117650#(<= ULTIMATE.start_main_~i~5 42), 117653#(<= ULTIMATE.start_main_~i~5 45), 117652#(<= ULTIMATE.start_main_~i~5 44), 117655#(<= ULTIMATE.start_main_~i~5 47), 117654#(<= ULTIMATE.start_main_~i~5 46), 117657#(<= ULTIMATE.start_main_~i~5 49), 117656#(<= ULTIMATE.start_main_~i~5 48), 117659#(<= ULTIMATE.start_main_~i~5 51), 117658#(<= ULTIMATE.start_main_~i~5 50), 117661#(<= ULTIMATE.start_main_~i~5 53), 117660#(<= ULTIMATE.start_main_~i~5 52), 117663#(<= ULTIMATE.start_main_~i~5 55), 117662#(<= ULTIMATE.start_main_~i~5 54), 117665#(<= ULTIMATE.start_main_~i~5 57), 117664#(<= ULTIMATE.start_main_~i~5 56), 117667#(<= ULTIMATE.start_main_~i~5 59), 117666#(<= ULTIMATE.start_main_~i~5 58), 117669#(<= ULTIMATE.start_main_~i~5 61), 117668#(<= ULTIMATE.start_main_~i~5 60), 117671#(<= ULTIMATE.start_main_~i~5 63), 117670#(<= ULTIMATE.start_main_~i~5 62), 117673#(<= ULTIMATE.start_main_~i~5 65), 117672#(<= ULTIMATE.start_main_~i~5 64), 117675#(<= ULTIMATE.start_main_~i~5 67), 117674#(<= ULTIMATE.start_main_~i~5 66), 117677#(<= ULTIMATE.start_main_~i~5 69), 117676#(<= ULTIMATE.start_main_~i~5 68), 117679#(<= ULTIMATE.start_main_~i~5 71), 117678#(<= ULTIMATE.start_main_~i~5 70), 117681#(<= ULTIMATE.start_main_~i~5 73), 117680#(<= ULTIMATE.start_main_~i~5 72), 117683#(<= ULTIMATE.start_main_~i~5 75), 117682#(<= ULTIMATE.start_main_~i~5 74), 117685#(<= ULTIMATE.start_main_~i~5 77), 117684#(<= ULTIMATE.start_main_~i~5 76), 117687#(<= ULTIMATE.start_main_~i~5 79), 117686#(<= ULTIMATE.start_main_~i~5 78), 117689#(<= ULTIMATE.start_main_~i~5 81), 117688#(<= ULTIMATE.start_main_~i~5 80), 117691#(<= ULTIMATE.start_main_~i~5 83), 117690#(<= ULTIMATE.start_main_~i~5 82), 117693#(<= ULTIMATE.start_main_~i~5 85), 117692#(<= ULTIMATE.start_main_~i~5 84), 117695#(<= ULTIMATE.start_main_~i~5 87), 117694#(<= ULTIMATE.start_main_~i~5 86), 117697#(<= ULTIMATE.start_main_~i~5 89), 117696#(<= ULTIMATE.start_main_~i~5 88), 117699#(<= ULTIMATE.start_main_~i~5 91), 117698#(<= ULTIMATE.start_main_~i~5 90), 117701#(<= ULTIMATE.start_main_~i~5 93), 117700#(<= ULTIMATE.start_main_~i~5 92), 117703#(<= ULTIMATE.start_main_~i~5 95), 117702#(<= ULTIMATE.start_main_~i~5 94), 117705#(<= ULTIMATE.start_main_~i~5 97), 117704#(<= ULTIMATE.start_main_~i~5 96), 117707#(<= ULTIMATE.start_main_~i~5 99), 117706#(<= ULTIMATE.start_main_~i~5 98), 117709#(<= ULTIMATE.start_main_~i~5 101), 117708#(<= ULTIMATE.start_main_~i~5 100), 117711#(<= ULTIMATE.start_main_~i~5 103), 117710#(<= ULTIMATE.start_main_~i~5 102), 117713#(<= ULTIMATE.start_main_~i~5 105), 117712#(<= ULTIMATE.start_main_~i~5 104), 117715#(<= ULTIMATE.start_main_~i~5 107), 117714#(<= ULTIMATE.start_main_~i~5 106), 117717#(<= ULTIMATE.start_main_~i~5 109), 117716#(<= ULTIMATE.start_main_~i~5 108), 117719#(<= ULTIMATE.start_main_~i~5 111), 117718#(<= ULTIMATE.start_main_~i~5 110), 117721#(<= ULTIMATE.start_main_~i~5 113), 117720#(<= ULTIMATE.start_main_~i~5 112), 117723#(<= ULTIMATE.start_main_~i~5 115), 117722#(<= ULTIMATE.start_main_~i~5 114), 117725#(<= ULTIMATE.start_main_~i~5 117), 117724#(<= ULTIMATE.start_main_~i~5 116), 117727#(<= ULTIMATE.start_main_~i~5 119), 117726#(<= ULTIMATE.start_main_~i~5 118), 117729#(<= ULTIMATE.start_main_~i~5 121), 117728#(<= ULTIMATE.start_main_~i~5 120), 117731#(<= ULTIMATE.start_main_~i~5 123), 117730#(<= ULTIMATE.start_main_~i~5 122), 117733#(<= ULTIMATE.start_main_~i~5 125), 117732#(<= ULTIMATE.start_main_~i~5 124), 117735#(<= ULTIMATE.start_main_~i~5 127), 117734#(<= ULTIMATE.start_main_~i~5 126), 117737#(<= ULTIMATE.start_main_~i~5 129), 117736#(<= ULTIMATE.start_main_~i~5 128), 117739#(<= ULTIMATE.start_main_~i~5 131), 117738#(<= ULTIMATE.start_main_~i~5 130), 117741#(<= ULTIMATE.start_main_~i~5 133), 117740#(<= ULTIMATE.start_main_~i~5 132), 117743#(<= ULTIMATE.start_main_~i~5 135), 117742#(<= ULTIMATE.start_main_~i~5 134), 117745#(<= ULTIMATE.start_main_~i~5 137), 117744#(<= ULTIMATE.start_main_~i~5 136), 117747#(<= ULTIMATE.start_main_~i~5 139), 117746#(<= ULTIMATE.start_main_~i~5 138), 117749#(<= ULTIMATE.start_main_~i~5 141), 117748#(<= ULTIMATE.start_main_~i~5 140), 117751#(<= ULTIMATE.start_main_~i~5 143), 117750#(<= ULTIMATE.start_main_~i~5 142), 117753#(<= ULTIMATE.start_main_~i~5 145), 117752#(<= ULTIMATE.start_main_~i~5 144), 117755#(<= ULTIMATE.start_main_~i~5 147), 117754#(<= ULTIMATE.start_main_~i~5 146), 117757#(<= ULTIMATE.start_main_~i~5 149), 117756#(<= ULTIMATE.start_main_~i~5 148), 117759#(<= ULTIMATE.start_main_~i~5 151), 117758#(<= ULTIMATE.start_main_~i~5 150)] [2018-07-23 13:42:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:24,062 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:42:24,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:42:24,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:42:24,065 INFO L87 Difference]: Start difference. First operand 321 states and 322 transitions. Second operand 160 states. [2018-07-23 13:42:24,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:24,936 INFO L93 Difference]: Finished difference Result 327 states and 329 transitions. [2018-07-23 13:42:24,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:42:24,936 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 320 [2018-07-23 13:42:24,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:24,937 INFO L225 Difference]: With dead ends: 327 [2018-07-23 13:42:24,937 INFO L226 Difference]: Without dead ends: 323 [2018-07-23 13:42:24,939 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 13:42:24,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-07-23 13:42:24,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2018-07-23 13:42:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-07-23 13:42:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 324 transitions. [2018-07-23 13:42:24,942 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 324 transitions. Word has length 320 [2018-07-23 13:42:24,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:24,943 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 324 transitions. [2018-07-23 13:42:24,943 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:42:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 324 transitions. [2018-07-23 13:42:24,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-07-23 13:42:24,944 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:24,944 INFO L357 BasicCegarLoop]: trace histogram [159, 158, 1, 1, 1, 1, 1] [2018-07-23 13:42:24,944 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:24,944 INFO L82 PathProgramCache]: Analyzing trace with hash -2057206461, now seen corresponding path program 158 times [2018-07-23 13:42:24,944 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:25,953 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:25,954 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:25,954 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:42:25,954 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:25,954 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 13:42:25,955 INFO L185 omatonBuilderFactory]: Interpolants [119067#false, 119066#true, 119069#(<= ULTIMATE.start_main_~i~5 1), 119068#(<= ULTIMATE.start_main_~i~5 0), 119071#(<= ULTIMATE.start_main_~i~5 3), 119070#(<= ULTIMATE.start_main_~i~5 2), 119073#(<= ULTIMATE.start_main_~i~5 5), 119072#(<= ULTIMATE.start_main_~i~5 4), 119075#(<= ULTIMATE.start_main_~i~5 7), 119074#(<= ULTIMATE.start_main_~i~5 6), 119077#(<= ULTIMATE.start_main_~i~5 9), 119076#(<= ULTIMATE.start_main_~i~5 8), 119079#(<= ULTIMATE.start_main_~i~5 11), 119078#(<= ULTIMATE.start_main_~i~5 10), 119081#(<= ULTIMATE.start_main_~i~5 13), 119080#(<= ULTIMATE.start_main_~i~5 12), 119083#(<= ULTIMATE.start_main_~i~5 15), 119082#(<= ULTIMATE.start_main_~i~5 14), 119085#(<= ULTIMATE.start_main_~i~5 17), 119084#(<= ULTIMATE.start_main_~i~5 16), 119087#(<= ULTIMATE.start_main_~i~5 19), 119086#(<= ULTIMATE.start_main_~i~5 18), 119089#(<= ULTIMATE.start_main_~i~5 21), 119088#(<= ULTIMATE.start_main_~i~5 20), 119091#(<= ULTIMATE.start_main_~i~5 23), 119090#(<= ULTIMATE.start_main_~i~5 22), 119093#(<= ULTIMATE.start_main_~i~5 25), 119092#(<= ULTIMATE.start_main_~i~5 24), 119095#(<= ULTIMATE.start_main_~i~5 27), 119094#(<= ULTIMATE.start_main_~i~5 26), 119097#(<= ULTIMATE.start_main_~i~5 29), 119096#(<= ULTIMATE.start_main_~i~5 28), 119099#(<= ULTIMATE.start_main_~i~5 31), 119098#(<= ULTIMATE.start_main_~i~5 30), 119101#(<= ULTIMATE.start_main_~i~5 33), 119100#(<= ULTIMATE.start_main_~i~5 32), 119103#(<= ULTIMATE.start_main_~i~5 35), 119102#(<= ULTIMATE.start_main_~i~5 34), 119105#(<= ULTIMATE.start_main_~i~5 37), 119104#(<= ULTIMATE.start_main_~i~5 36), 119107#(<= ULTIMATE.start_main_~i~5 39), 119106#(<= ULTIMATE.start_main_~i~5 38), 119109#(<= ULTIMATE.start_main_~i~5 41), 119108#(<= ULTIMATE.start_main_~i~5 40), 119111#(<= ULTIMATE.start_main_~i~5 43), 119110#(<= ULTIMATE.start_main_~i~5 42), 119113#(<= ULTIMATE.start_main_~i~5 45), 119112#(<= ULTIMATE.start_main_~i~5 44), 119115#(<= ULTIMATE.start_main_~i~5 47), 119114#(<= ULTIMATE.start_main_~i~5 46), 119117#(<= ULTIMATE.start_main_~i~5 49), 119116#(<= ULTIMATE.start_main_~i~5 48), 119119#(<= ULTIMATE.start_main_~i~5 51), 119118#(<= ULTIMATE.start_main_~i~5 50), 119121#(<= ULTIMATE.start_main_~i~5 53), 119120#(<= ULTIMATE.start_main_~i~5 52), 119123#(<= ULTIMATE.start_main_~i~5 55), 119122#(<= ULTIMATE.start_main_~i~5 54), 119125#(<= ULTIMATE.start_main_~i~5 57), 119124#(<= ULTIMATE.start_main_~i~5 56), 119127#(<= ULTIMATE.start_main_~i~5 59), 119126#(<= ULTIMATE.start_main_~i~5 58), 119129#(<= ULTIMATE.start_main_~i~5 61), 119128#(<= ULTIMATE.start_main_~i~5 60), 119131#(<= ULTIMATE.start_main_~i~5 63), 119130#(<= ULTIMATE.start_main_~i~5 62), 119133#(<= ULTIMATE.start_main_~i~5 65), 119132#(<= ULTIMATE.start_main_~i~5 64), 119135#(<= ULTIMATE.start_main_~i~5 67), 119134#(<= ULTIMATE.start_main_~i~5 66), 119137#(<= ULTIMATE.start_main_~i~5 69), 119136#(<= ULTIMATE.start_main_~i~5 68), 119139#(<= ULTIMATE.start_main_~i~5 71), 119138#(<= ULTIMATE.start_main_~i~5 70), 119141#(<= ULTIMATE.start_main_~i~5 73), 119140#(<= ULTIMATE.start_main_~i~5 72), 119143#(<= ULTIMATE.start_main_~i~5 75), 119142#(<= ULTIMATE.start_main_~i~5 74), 119145#(<= ULTIMATE.start_main_~i~5 77), 119144#(<= ULTIMATE.start_main_~i~5 76), 119147#(<= ULTIMATE.start_main_~i~5 79), 119146#(<= ULTIMATE.start_main_~i~5 78), 119149#(<= ULTIMATE.start_main_~i~5 81), 119148#(<= ULTIMATE.start_main_~i~5 80), 119151#(<= ULTIMATE.start_main_~i~5 83), 119150#(<= ULTIMATE.start_main_~i~5 82), 119153#(<= ULTIMATE.start_main_~i~5 85), 119152#(<= ULTIMATE.start_main_~i~5 84), 119155#(<= ULTIMATE.start_main_~i~5 87), 119154#(<= ULTIMATE.start_main_~i~5 86), 119157#(<= ULTIMATE.start_main_~i~5 89), 119156#(<= ULTIMATE.start_main_~i~5 88), 119159#(<= ULTIMATE.start_main_~i~5 91), 119158#(<= ULTIMATE.start_main_~i~5 90), 119161#(<= ULTIMATE.start_main_~i~5 93), 119160#(<= ULTIMATE.start_main_~i~5 92), 119163#(<= ULTIMATE.start_main_~i~5 95), 119162#(<= ULTIMATE.start_main_~i~5 94), 119165#(<= ULTIMATE.start_main_~i~5 97), 119164#(<= ULTIMATE.start_main_~i~5 96), 119167#(<= ULTIMATE.start_main_~i~5 99), 119166#(<= ULTIMATE.start_main_~i~5 98), 119169#(<= ULTIMATE.start_main_~i~5 101), 119168#(<= ULTIMATE.start_main_~i~5 100), 119171#(<= ULTIMATE.start_main_~i~5 103), 119170#(<= ULTIMATE.start_main_~i~5 102), 119173#(<= ULTIMATE.start_main_~i~5 105), 119172#(<= ULTIMATE.start_main_~i~5 104), 119175#(<= ULTIMATE.start_main_~i~5 107), 119174#(<= ULTIMATE.start_main_~i~5 106), 119177#(<= ULTIMATE.start_main_~i~5 109), 119176#(<= ULTIMATE.start_main_~i~5 108), 119179#(<= ULTIMATE.start_main_~i~5 111), 119178#(<= ULTIMATE.start_main_~i~5 110), 119181#(<= ULTIMATE.start_main_~i~5 113), 119180#(<= ULTIMATE.start_main_~i~5 112), 119183#(<= ULTIMATE.start_main_~i~5 115), 119182#(<= ULTIMATE.start_main_~i~5 114), 119185#(<= ULTIMATE.start_main_~i~5 117), 119184#(<= ULTIMATE.start_main_~i~5 116), 119187#(<= ULTIMATE.start_main_~i~5 119), 119186#(<= ULTIMATE.start_main_~i~5 118), 119189#(<= ULTIMATE.start_main_~i~5 121), 119188#(<= ULTIMATE.start_main_~i~5 120), 119191#(<= ULTIMATE.start_main_~i~5 123), 119190#(<= ULTIMATE.start_main_~i~5 122), 119193#(<= ULTIMATE.start_main_~i~5 125), 119192#(<= ULTIMATE.start_main_~i~5 124), 119195#(<= ULTIMATE.start_main_~i~5 127), 119194#(<= ULTIMATE.start_main_~i~5 126), 119197#(<= ULTIMATE.start_main_~i~5 129), 119196#(<= ULTIMATE.start_main_~i~5 128), 119199#(<= ULTIMATE.start_main_~i~5 131), 119198#(<= ULTIMATE.start_main_~i~5 130), 119201#(<= ULTIMATE.start_main_~i~5 133), 119200#(<= ULTIMATE.start_main_~i~5 132), 119203#(<= ULTIMATE.start_main_~i~5 135), 119202#(<= ULTIMATE.start_main_~i~5 134), 119205#(<= ULTIMATE.start_main_~i~5 137), 119204#(<= ULTIMATE.start_main_~i~5 136), 119207#(<= ULTIMATE.start_main_~i~5 139), 119206#(<= ULTIMATE.start_main_~i~5 138), 119209#(<= ULTIMATE.start_main_~i~5 141), 119208#(<= ULTIMATE.start_main_~i~5 140), 119211#(<= ULTIMATE.start_main_~i~5 143), 119210#(<= ULTIMATE.start_main_~i~5 142), 119213#(<= ULTIMATE.start_main_~i~5 145), 119212#(<= ULTIMATE.start_main_~i~5 144), 119215#(<= ULTIMATE.start_main_~i~5 147), 119214#(<= ULTIMATE.start_main_~i~5 146), 119217#(<= ULTIMATE.start_main_~i~5 149), 119216#(<= ULTIMATE.start_main_~i~5 148), 119219#(<= ULTIMATE.start_main_~i~5 151), 119218#(<= ULTIMATE.start_main_~i~5 150), 119221#(<= ULTIMATE.start_main_~i~5 153), 119220#(<= ULTIMATE.start_main_~i~5 152), 119223#(<= ULTIMATE.start_main_~i~5 155), 119222#(<= ULTIMATE.start_main_~i~5 154), 119225#(<= ULTIMATE.start_main_~i~5 157), 119224#(<= ULTIMATE.start_main_~i~5 156), 119226#(<= ULTIMATE.start_main_~i~5 158)] [2018-07-23 13:42:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:25,957 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:42:25,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:42:25,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:42:25,961 INFO L87 Difference]: Start difference. First operand 323 states and 324 transitions. Second operand 161 states. [2018-07-23 13:42:27,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:27,084 INFO L93 Difference]: Finished difference Result 329 states and 331 transitions. [2018-07-23 13:42:27,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:42:27,084 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 322 [2018-07-23 13:42:27,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:27,085 INFO L225 Difference]: With dead ends: 329 [2018-07-23 13:42:27,085 INFO L226 Difference]: Without dead ends: 325 [2018-07-23 13:42:27,086 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 13:42:27,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-07-23 13:42:27,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2018-07-23 13:42:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-07-23 13:42:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 326 transitions. [2018-07-23 13:42:27,090 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 326 transitions. Word has length 322 [2018-07-23 13:42:27,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:27,090 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 326 transitions. [2018-07-23 13:42:27,090 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:42:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 326 transitions. [2018-07-23 13:42:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-07-23 13:42:27,091 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:27,091 INFO L357 BasicCegarLoop]: trace histogram [160, 159, 1, 1, 1, 1, 1] [2018-07-23 13:42:27,091 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:27,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1374011073, now seen corresponding path program 159 times [2018-07-23 13:42:27,092 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,162 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:28,162 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:42:28,162 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:28,162 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 13:42:28,163 INFO L185 omatonBuilderFactory]: Interpolants [120577#(<= ULTIMATE.start_main_~i~5 40), 120576#(<= ULTIMATE.start_main_~i~5 39), 120579#(<= ULTIMATE.start_main_~i~5 42), 120578#(<= ULTIMATE.start_main_~i~5 41), 120581#(<= ULTIMATE.start_main_~i~5 44), 120580#(<= ULTIMATE.start_main_~i~5 43), 120583#(<= ULTIMATE.start_main_~i~5 46), 120582#(<= ULTIMATE.start_main_~i~5 45), 120585#(<= ULTIMATE.start_main_~i~5 48), 120584#(<= ULTIMATE.start_main_~i~5 47), 120587#(<= ULTIMATE.start_main_~i~5 50), 120586#(<= ULTIMATE.start_main_~i~5 49), 120589#(<= ULTIMATE.start_main_~i~5 52), 120588#(<= ULTIMATE.start_main_~i~5 51), 120591#(<= ULTIMATE.start_main_~i~5 54), 120590#(<= ULTIMATE.start_main_~i~5 53), 120593#(<= ULTIMATE.start_main_~i~5 56), 120592#(<= ULTIMATE.start_main_~i~5 55), 120595#(<= ULTIMATE.start_main_~i~5 58), 120594#(<= ULTIMATE.start_main_~i~5 57), 120597#(<= ULTIMATE.start_main_~i~5 60), 120596#(<= ULTIMATE.start_main_~i~5 59), 120599#(<= ULTIMATE.start_main_~i~5 62), 120598#(<= ULTIMATE.start_main_~i~5 61), 120601#(<= ULTIMATE.start_main_~i~5 64), 120600#(<= ULTIMATE.start_main_~i~5 63), 120603#(<= ULTIMATE.start_main_~i~5 66), 120602#(<= ULTIMATE.start_main_~i~5 65), 120605#(<= ULTIMATE.start_main_~i~5 68), 120604#(<= ULTIMATE.start_main_~i~5 67), 120607#(<= ULTIMATE.start_main_~i~5 70), 120606#(<= ULTIMATE.start_main_~i~5 69), 120609#(<= ULTIMATE.start_main_~i~5 72), 120608#(<= ULTIMATE.start_main_~i~5 71), 120611#(<= ULTIMATE.start_main_~i~5 74), 120610#(<= ULTIMATE.start_main_~i~5 73), 120613#(<= ULTIMATE.start_main_~i~5 76), 120612#(<= ULTIMATE.start_main_~i~5 75), 120615#(<= ULTIMATE.start_main_~i~5 78), 120614#(<= ULTIMATE.start_main_~i~5 77), 120617#(<= ULTIMATE.start_main_~i~5 80), 120616#(<= ULTIMATE.start_main_~i~5 79), 120619#(<= ULTIMATE.start_main_~i~5 82), 120618#(<= ULTIMATE.start_main_~i~5 81), 120621#(<= ULTIMATE.start_main_~i~5 84), 120620#(<= ULTIMATE.start_main_~i~5 83), 120623#(<= ULTIMATE.start_main_~i~5 86), 120622#(<= ULTIMATE.start_main_~i~5 85), 120625#(<= ULTIMATE.start_main_~i~5 88), 120624#(<= ULTIMATE.start_main_~i~5 87), 120627#(<= ULTIMATE.start_main_~i~5 90), 120626#(<= ULTIMATE.start_main_~i~5 89), 120629#(<= ULTIMATE.start_main_~i~5 92), 120628#(<= ULTIMATE.start_main_~i~5 91), 120631#(<= ULTIMATE.start_main_~i~5 94), 120630#(<= ULTIMATE.start_main_~i~5 93), 120633#(<= ULTIMATE.start_main_~i~5 96), 120632#(<= ULTIMATE.start_main_~i~5 95), 120635#(<= ULTIMATE.start_main_~i~5 98), 120634#(<= ULTIMATE.start_main_~i~5 97), 120637#(<= ULTIMATE.start_main_~i~5 100), 120636#(<= ULTIMATE.start_main_~i~5 99), 120639#(<= ULTIMATE.start_main_~i~5 102), 120638#(<= ULTIMATE.start_main_~i~5 101), 120641#(<= ULTIMATE.start_main_~i~5 104), 120640#(<= ULTIMATE.start_main_~i~5 103), 120643#(<= ULTIMATE.start_main_~i~5 106), 120642#(<= ULTIMATE.start_main_~i~5 105), 120645#(<= ULTIMATE.start_main_~i~5 108), 120644#(<= ULTIMATE.start_main_~i~5 107), 120647#(<= ULTIMATE.start_main_~i~5 110), 120646#(<= ULTIMATE.start_main_~i~5 109), 120649#(<= ULTIMATE.start_main_~i~5 112), 120648#(<= ULTIMATE.start_main_~i~5 111), 120651#(<= ULTIMATE.start_main_~i~5 114), 120650#(<= ULTIMATE.start_main_~i~5 113), 120653#(<= ULTIMATE.start_main_~i~5 116), 120652#(<= ULTIMATE.start_main_~i~5 115), 120655#(<= ULTIMATE.start_main_~i~5 118), 120654#(<= ULTIMATE.start_main_~i~5 117), 120657#(<= ULTIMATE.start_main_~i~5 120), 120656#(<= ULTIMATE.start_main_~i~5 119), 120659#(<= ULTIMATE.start_main_~i~5 122), 120658#(<= ULTIMATE.start_main_~i~5 121), 120661#(<= ULTIMATE.start_main_~i~5 124), 120660#(<= ULTIMATE.start_main_~i~5 123), 120663#(<= ULTIMATE.start_main_~i~5 126), 120662#(<= ULTIMATE.start_main_~i~5 125), 120665#(<= ULTIMATE.start_main_~i~5 128), 120664#(<= ULTIMATE.start_main_~i~5 127), 120667#(<= ULTIMATE.start_main_~i~5 130), 120666#(<= ULTIMATE.start_main_~i~5 129), 120669#(<= ULTIMATE.start_main_~i~5 132), 120668#(<= ULTIMATE.start_main_~i~5 131), 120671#(<= ULTIMATE.start_main_~i~5 134), 120670#(<= ULTIMATE.start_main_~i~5 133), 120673#(<= ULTIMATE.start_main_~i~5 136), 120672#(<= ULTIMATE.start_main_~i~5 135), 120675#(<= ULTIMATE.start_main_~i~5 138), 120674#(<= ULTIMATE.start_main_~i~5 137), 120677#(<= ULTIMATE.start_main_~i~5 140), 120676#(<= ULTIMATE.start_main_~i~5 139), 120679#(<= ULTIMATE.start_main_~i~5 142), 120678#(<= ULTIMATE.start_main_~i~5 141), 120681#(<= ULTIMATE.start_main_~i~5 144), 120680#(<= ULTIMATE.start_main_~i~5 143), 120683#(<= ULTIMATE.start_main_~i~5 146), 120682#(<= ULTIMATE.start_main_~i~5 145), 120685#(<= ULTIMATE.start_main_~i~5 148), 120684#(<= ULTIMATE.start_main_~i~5 147), 120687#(<= ULTIMATE.start_main_~i~5 150), 120686#(<= ULTIMATE.start_main_~i~5 149), 120689#(<= ULTIMATE.start_main_~i~5 152), 120688#(<= ULTIMATE.start_main_~i~5 151), 120691#(<= ULTIMATE.start_main_~i~5 154), 120690#(<= ULTIMATE.start_main_~i~5 153), 120693#(<= ULTIMATE.start_main_~i~5 156), 120692#(<= ULTIMATE.start_main_~i~5 155), 120695#(<= ULTIMATE.start_main_~i~5 158), 120694#(<= ULTIMATE.start_main_~i~5 157), 120696#(<= ULTIMATE.start_main_~i~5 159), 120535#true, 120537#(<= ULTIMATE.start_main_~i~5 0), 120536#false, 120539#(<= ULTIMATE.start_main_~i~5 2), 120538#(<= ULTIMATE.start_main_~i~5 1), 120541#(<= ULTIMATE.start_main_~i~5 4), 120540#(<= ULTIMATE.start_main_~i~5 3), 120543#(<= ULTIMATE.start_main_~i~5 6), 120542#(<= ULTIMATE.start_main_~i~5 5), 120545#(<= ULTIMATE.start_main_~i~5 8), 120544#(<= ULTIMATE.start_main_~i~5 7), 120547#(<= ULTIMATE.start_main_~i~5 10), 120546#(<= ULTIMATE.start_main_~i~5 9), 120549#(<= ULTIMATE.start_main_~i~5 12), 120548#(<= ULTIMATE.start_main_~i~5 11), 120551#(<= ULTIMATE.start_main_~i~5 14), 120550#(<= ULTIMATE.start_main_~i~5 13), 120553#(<= ULTIMATE.start_main_~i~5 16), 120552#(<= ULTIMATE.start_main_~i~5 15), 120555#(<= ULTIMATE.start_main_~i~5 18), 120554#(<= ULTIMATE.start_main_~i~5 17), 120557#(<= ULTIMATE.start_main_~i~5 20), 120556#(<= ULTIMATE.start_main_~i~5 19), 120559#(<= ULTIMATE.start_main_~i~5 22), 120558#(<= ULTIMATE.start_main_~i~5 21), 120561#(<= ULTIMATE.start_main_~i~5 24), 120560#(<= ULTIMATE.start_main_~i~5 23), 120563#(<= ULTIMATE.start_main_~i~5 26), 120562#(<= ULTIMATE.start_main_~i~5 25), 120565#(<= ULTIMATE.start_main_~i~5 28), 120564#(<= ULTIMATE.start_main_~i~5 27), 120567#(<= ULTIMATE.start_main_~i~5 30), 120566#(<= ULTIMATE.start_main_~i~5 29), 120569#(<= ULTIMATE.start_main_~i~5 32), 120568#(<= ULTIMATE.start_main_~i~5 31), 120571#(<= ULTIMATE.start_main_~i~5 34), 120570#(<= ULTIMATE.start_main_~i~5 33), 120573#(<= ULTIMATE.start_main_~i~5 36), 120572#(<= ULTIMATE.start_main_~i~5 35), 120575#(<= ULTIMATE.start_main_~i~5 38), 120574#(<= ULTIMATE.start_main_~i~5 37)] [2018-07-23 13:42:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,164 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:42:28,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:42:28,167 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:42:28,167 INFO L87 Difference]: Start difference. First operand 325 states and 326 transitions. Second operand 162 states. [2018-07-23 13:42:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:28,920 INFO L93 Difference]: Finished difference Result 331 states and 333 transitions. [2018-07-23 13:42:28,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:42:28,920 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 324 [2018-07-23 13:42:28,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:28,920 INFO L225 Difference]: With dead ends: 331 [2018-07-23 13:42:28,921 INFO L226 Difference]: Without dead ends: 327 [2018-07-23 13:42:28,922 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 13:42:28,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-07-23 13:42:28,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2018-07-23 13:42:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-07-23 13:42:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 328 transitions. [2018-07-23 13:42:28,926 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 328 transitions. Word has length 324 [2018-07-23 13:42:28,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:28,926 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 328 transitions. [2018-07-23 13:42:28,926 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:42:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 328 transitions. [2018-07-23 13:42:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-07-23 13:42:28,927 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:28,927 INFO L357 BasicCegarLoop]: trace histogram [161, 160, 1, 1, 1, 1, 1] [2018-07-23 13:42:28,927 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:28,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1953239493, now seen corresponding path program 160 times [2018-07-23 13:42:28,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:29,952 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:29,952 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:29,952 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:42:29,952 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:29,953 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 13:42:29,953 INFO L185 omatonBuilderFactory]: Interpolants [122113#(<= ULTIMATE.start_main_~i~5 98), 122112#(<= ULTIMATE.start_main_~i~5 97), 122115#(<= ULTIMATE.start_main_~i~5 100), 122114#(<= ULTIMATE.start_main_~i~5 99), 122117#(<= ULTIMATE.start_main_~i~5 102), 122116#(<= ULTIMATE.start_main_~i~5 101), 122119#(<= ULTIMATE.start_main_~i~5 104), 122118#(<= ULTIMATE.start_main_~i~5 103), 122121#(<= ULTIMATE.start_main_~i~5 106), 122120#(<= ULTIMATE.start_main_~i~5 105), 122123#(<= ULTIMATE.start_main_~i~5 108), 122122#(<= ULTIMATE.start_main_~i~5 107), 122125#(<= ULTIMATE.start_main_~i~5 110), 122124#(<= ULTIMATE.start_main_~i~5 109), 122127#(<= ULTIMATE.start_main_~i~5 112), 122126#(<= ULTIMATE.start_main_~i~5 111), 122129#(<= ULTIMATE.start_main_~i~5 114), 122128#(<= ULTIMATE.start_main_~i~5 113), 122131#(<= ULTIMATE.start_main_~i~5 116), 122130#(<= ULTIMATE.start_main_~i~5 115), 122133#(<= ULTIMATE.start_main_~i~5 118), 122132#(<= ULTIMATE.start_main_~i~5 117), 122135#(<= ULTIMATE.start_main_~i~5 120), 122134#(<= ULTIMATE.start_main_~i~5 119), 122137#(<= ULTIMATE.start_main_~i~5 122), 122136#(<= ULTIMATE.start_main_~i~5 121), 122139#(<= ULTIMATE.start_main_~i~5 124), 122138#(<= ULTIMATE.start_main_~i~5 123), 122141#(<= ULTIMATE.start_main_~i~5 126), 122140#(<= ULTIMATE.start_main_~i~5 125), 122143#(<= ULTIMATE.start_main_~i~5 128), 122142#(<= ULTIMATE.start_main_~i~5 127), 122145#(<= ULTIMATE.start_main_~i~5 130), 122144#(<= ULTIMATE.start_main_~i~5 129), 122147#(<= ULTIMATE.start_main_~i~5 132), 122146#(<= ULTIMATE.start_main_~i~5 131), 122149#(<= ULTIMATE.start_main_~i~5 134), 122148#(<= ULTIMATE.start_main_~i~5 133), 122151#(<= ULTIMATE.start_main_~i~5 136), 122150#(<= ULTIMATE.start_main_~i~5 135), 122153#(<= ULTIMATE.start_main_~i~5 138), 122152#(<= ULTIMATE.start_main_~i~5 137), 122155#(<= ULTIMATE.start_main_~i~5 140), 122154#(<= ULTIMATE.start_main_~i~5 139), 122157#(<= ULTIMATE.start_main_~i~5 142), 122156#(<= ULTIMATE.start_main_~i~5 141), 122159#(<= ULTIMATE.start_main_~i~5 144), 122158#(<= ULTIMATE.start_main_~i~5 143), 122161#(<= ULTIMATE.start_main_~i~5 146), 122160#(<= ULTIMATE.start_main_~i~5 145), 122163#(<= ULTIMATE.start_main_~i~5 148), 122162#(<= ULTIMATE.start_main_~i~5 147), 122165#(<= ULTIMATE.start_main_~i~5 150), 122164#(<= ULTIMATE.start_main_~i~5 149), 122167#(<= ULTIMATE.start_main_~i~5 152), 122166#(<= ULTIMATE.start_main_~i~5 151), 122169#(<= ULTIMATE.start_main_~i~5 154), 122168#(<= ULTIMATE.start_main_~i~5 153), 122171#(<= ULTIMATE.start_main_~i~5 156), 122170#(<= ULTIMATE.start_main_~i~5 155), 122173#(<= ULTIMATE.start_main_~i~5 158), 122172#(<= ULTIMATE.start_main_~i~5 157), 122175#(<= ULTIMATE.start_main_~i~5 160), 122174#(<= ULTIMATE.start_main_~i~5 159), 122013#true, 122015#(<= ULTIMATE.start_main_~i~5 0), 122014#false, 122017#(<= ULTIMATE.start_main_~i~5 2), 122016#(<= ULTIMATE.start_main_~i~5 1), 122019#(<= ULTIMATE.start_main_~i~5 4), 122018#(<= ULTIMATE.start_main_~i~5 3), 122021#(<= ULTIMATE.start_main_~i~5 6), 122020#(<= ULTIMATE.start_main_~i~5 5), 122023#(<= ULTIMATE.start_main_~i~5 8), 122022#(<= ULTIMATE.start_main_~i~5 7), 122025#(<= ULTIMATE.start_main_~i~5 10), 122024#(<= ULTIMATE.start_main_~i~5 9), 122027#(<= ULTIMATE.start_main_~i~5 12), 122026#(<= ULTIMATE.start_main_~i~5 11), 122029#(<= ULTIMATE.start_main_~i~5 14), 122028#(<= ULTIMATE.start_main_~i~5 13), 122031#(<= ULTIMATE.start_main_~i~5 16), 122030#(<= ULTIMATE.start_main_~i~5 15), 122033#(<= ULTIMATE.start_main_~i~5 18), 122032#(<= ULTIMATE.start_main_~i~5 17), 122035#(<= ULTIMATE.start_main_~i~5 20), 122034#(<= ULTIMATE.start_main_~i~5 19), 122037#(<= ULTIMATE.start_main_~i~5 22), 122036#(<= ULTIMATE.start_main_~i~5 21), 122039#(<= ULTIMATE.start_main_~i~5 24), 122038#(<= ULTIMATE.start_main_~i~5 23), 122041#(<= ULTIMATE.start_main_~i~5 26), 122040#(<= ULTIMATE.start_main_~i~5 25), 122043#(<= ULTIMATE.start_main_~i~5 28), 122042#(<= ULTIMATE.start_main_~i~5 27), 122045#(<= ULTIMATE.start_main_~i~5 30), 122044#(<= ULTIMATE.start_main_~i~5 29), 122047#(<= ULTIMATE.start_main_~i~5 32), 122046#(<= ULTIMATE.start_main_~i~5 31), 122049#(<= ULTIMATE.start_main_~i~5 34), 122048#(<= ULTIMATE.start_main_~i~5 33), 122051#(<= ULTIMATE.start_main_~i~5 36), 122050#(<= ULTIMATE.start_main_~i~5 35), 122053#(<= ULTIMATE.start_main_~i~5 38), 122052#(<= ULTIMATE.start_main_~i~5 37), 122055#(<= ULTIMATE.start_main_~i~5 40), 122054#(<= ULTIMATE.start_main_~i~5 39), 122057#(<= ULTIMATE.start_main_~i~5 42), 122056#(<= ULTIMATE.start_main_~i~5 41), 122059#(<= ULTIMATE.start_main_~i~5 44), 122058#(<= ULTIMATE.start_main_~i~5 43), 122061#(<= ULTIMATE.start_main_~i~5 46), 122060#(<= ULTIMATE.start_main_~i~5 45), 122063#(<= ULTIMATE.start_main_~i~5 48), 122062#(<= ULTIMATE.start_main_~i~5 47), 122065#(<= ULTIMATE.start_main_~i~5 50), 122064#(<= ULTIMATE.start_main_~i~5 49), 122067#(<= ULTIMATE.start_main_~i~5 52), 122066#(<= ULTIMATE.start_main_~i~5 51), 122069#(<= ULTIMATE.start_main_~i~5 54), 122068#(<= ULTIMATE.start_main_~i~5 53), 122071#(<= ULTIMATE.start_main_~i~5 56), 122070#(<= ULTIMATE.start_main_~i~5 55), 122073#(<= ULTIMATE.start_main_~i~5 58), 122072#(<= ULTIMATE.start_main_~i~5 57), 122075#(<= ULTIMATE.start_main_~i~5 60), 122074#(<= ULTIMATE.start_main_~i~5 59), 122077#(<= ULTIMATE.start_main_~i~5 62), 122076#(<= ULTIMATE.start_main_~i~5 61), 122079#(<= ULTIMATE.start_main_~i~5 64), 122078#(<= ULTIMATE.start_main_~i~5 63), 122081#(<= ULTIMATE.start_main_~i~5 66), 122080#(<= ULTIMATE.start_main_~i~5 65), 122083#(<= ULTIMATE.start_main_~i~5 68), 122082#(<= ULTIMATE.start_main_~i~5 67), 122085#(<= ULTIMATE.start_main_~i~5 70), 122084#(<= ULTIMATE.start_main_~i~5 69), 122087#(<= ULTIMATE.start_main_~i~5 72), 122086#(<= ULTIMATE.start_main_~i~5 71), 122089#(<= ULTIMATE.start_main_~i~5 74), 122088#(<= ULTIMATE.start_main_~i~5 73), 122091#(<= ULTIMATE.start_main_~i~5 76), 122090#(<= ULTIMATE.start_main_~i~5 75), 122093#(<= ULTIMATE.start_main_~i~5 78), 122092#(<= ULTIMATE.start_main_~i~5 77), 122095#(<= ULTIMATE.start_main_~i~5 80), 122094#(<= ULTIMATE.start_main_~i~5 79), 122097#(<= ULTIMATE.start_main_~i~5 82), 122096#(<= ULTIMATE.start_main_~i~5 81), 122099#(<= ULTIMATE.start_main_~i~5 84), 122098#(<= ULTIMATE.start_main_~i~5 83), 122101#(<= ULTIMATE.start_main_~i~5 86), 122100#(<= ULTIMATE.start_main_~i~5 85), 122103#(<= ULTIMATE.start_main_~i~5 88), 122102#(<= ULTIMATE.start_main_~i~5 87), 122105#(<= ULTIMATE.start_main_~i~5 90), 122104#(<= ULTIMATE.start_main_~i~5 89), 122107#(<= ULTIMATE.start_main_~i~5 92), 122106#(<= ULTIMATE.start_main_~i~5 91), 122109#(<= ULTIMATE.start_main_~i~5 94), 122108#(<= ULTIMATE.start_main_~i~5 93), 122111#(<= ULTIMATE.start_main_~i~5 96), 122110#(<= ULTIMATE.start_main_~i~5 95)] [2018-07-23 13:42:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:29,954 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:42:29,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:42:29,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:42:29,957 INFO L87 Difference]: Start difference. First operand 327 states and 328 transitions. Second operand 163 states. [2018-07-23 13:42:30,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:30,291 INFO L93 Difference]: Finished difference Result 333 states and 335 transitions. [2018-07-23 13:42:30,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:42:30,291 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 326 [2018-07-23 13:42:30,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:30,292 INFO L225 Difference]: With dead ends: 333 [2018-07-23 13:42:30,292 INFO L226 Difference]: Without dead ends: 329 [2018-07-23 13:42:30,294 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:42:30,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-07-23 13:42:30,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2018-07-23 13:42:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-07-23 13:42:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 330 transitions. [2018-07-23 13:42:30,298 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 330 transitions. Word has length 326 [2018-07-23 13:42:30,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:30,298 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 330 transitions. [2018-07-23 13:42:30,298 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:42:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 330 transitions. [2018-07-23 13:42:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-07-23 13:42:30,299 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:30,299 INFO L357 BasicCegarLoop]: trace histogram [162, 161, 1, 1, 1, 1, 1] [2018-07-23 13:42:30,299 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:30,299 INFO L82 PathProgramCache]: Analyzing trace with hash -246002633, now seen corresponding path program 161 times [2018-07-23 13:42:30,300 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 26082 backedges. 0 proven. 26082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:31,430 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:31,430 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:42:31,430 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:31,431 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 13:42:31,431 INFO L185 omatonBuilderFactory]: Interpolants [123649#(<= ULTIMATE.start_main_~i~5 147), 123648#(<= ULTIMATE.start_main_~i~5 146), 123651#(<= ULTIMATE.start_main_~i~5 149), 123650#(<= ULTIMATE.start_main_~i~5 148), 123653#(<= ULTIMATE.start_main_~i~5 151), 123652#(<= ULTIMATE.start_main_~i~5 150), 123655#(<= ULTIMATE.start_main_~i~5 153), 123654#(<= ULTIMATE.start_main_~i~5 152), 123657#(<= ULTIMATE.start_main_~i~5 155), 123656#(<= ULTIMATE.start_main_~i~5 154), 123659#(<= ULTIMATE.start_main_~i~5 157), 123658#(<= ULTIMATE.start_main_~i~5 156), 123661#(<= ULTIMATE.start_main_~i~5 159), 123660#(<= ULTIMATE.start_main_~i~5 158), 123663#(<= ULTIMATE.start_main_~i~5 161), 123662#(<= ULTIMATE.start_main_~i~5 160), 123501#false, 123500#true, 123503#(<= ULTIMATE.start_main_~i~5 1), 123502#(<= ULTIMATE.start_main_~i~5 0), 123505#(<= ULTIMATE.start_main_~i~5 3), 123504#(<= ULTIMATE.start_main_~i~5 2), 123507#(<= ULTIMATE.start_main_~i~5 5), 123506#(<= ULTIMATE.start_main_~i~5 4), 123509#(<= ULTIMATE.start_main_~i~5 7), 123508#(<= ULTIMATE.start_main_~i~5 6), 123511#(<= ULTIMATE.start_main_~i~5 9), 123510#(<= ULTIMATE.start_main_~i~5 8), 123513#(<= ULTIMATE.start_main_~i~5 11), 123512#(<= ULTIMATE.start_main_~i~5 10), 123515#(<= ULTIMATE.start_main_~i~5 13), 123514#(<= ULTIMATE.start_main_~i~5 12), 123517#(<= ULTIMATE.start_main_~i~5 15), 123516#(<= ULTIMATE.start_main_~i~5 14), 123519#(<= ULTIMATE.start_main_~i~5 17), 123518#(<= ULTIMATE.start_main_~i~5 16), 123521#(<= ULTIMATE.start_main_~i~5 19), 123520#(<= ULTIMATE.start_main_~i~5 18), 123523#(<= ULTIMATE.start_main_~i~5 21), 123522#(<= ULTIMATE.start_main_~i~5 20), 123525#(<= ULTIMATE.start_main_~i~5 23), 123524#(<= ULTIMATE.start_main_~i~5 22), 123527#(<= ULTIMATE.start_main_~i~5 25), 123526#(<= ULTIMATE.start_main_~i~5 24), 123529#(<= ULTIMATE.start_main_~i~5 27), 123528#(<= ULTIMATE.start_main_~i~5 26), 123531#(<= ULTIMATE.start_main_~i~5 29), 123530#(<= ULTIMATE.start_main_~i~5 28), 123533#(<= ULTIMATE.start_main_~i~5 31), 123532#(<= ULTIMATE.start_main_~i~5 30), 123535#(<= ULTIMATE.start_main_~i~5 33), 123534#(<= ULTIMATE.start_main_~i~5 32), 123537#(<= ULTIMATE.start_main_~i~5 35), 123536#(<= ULTIMATE.start_main_~i~5 34), 123539#(<= ULTIMATE.start_main_~i~5 37), 123538#(<= ULTIMATE.start_main_~i~5 36), 123541#(<= ULTIMATE.start_main_~i~5 39), 123540#(<= ULTIMATE.start_main_~i~5 38), 123543#(<= ULTIMATE.start_main_~i~5 41), 123542#(<= ULTIMATE.start_main_~i~5 40), 123545#(<= ULTIMATE.start_main_~i~5 43), 123544#(<= ULTIMATE.start_main_~i~5 42), 123547#(<= ULTIMATE.start_main_~i~5 45), 123546#(<= ULTIMATE.start_main_~i~5 44), 123549#(<= ULTIMATE.start_main_~i~5 47), 123548#(<= ULTIMATE.start_main_~i~5 46), 123551#(<= ULTIMATE.start_main_~i~5 49), 123550#(<= ULTIMATE.start_main_~i~5 48), 123553#(<= ULTIMATE.start_main_~i~5 51), 123552#(<= ULTIMATE.start_main_~i~5 50), 123555#(<= ULTIMATE.start_main_~i~5 53), 123554#(<= ULTIMATE.start_main_~i~5 52), 123557#(<= ULTIMATE.start_main_~i~5 55), 123556#(<= ULTIMATE.start_main_~i~5 54), 123559#(<= ULTIMATE.start_main_~i~5 57), 123558#(<= ULTIMATE.start_main_~i~5 56), 123561#(<= ULTIMATE.start_main_~i~5 59), 123560#(<= ULTIMATE.start_main_~i~5 58), 123563#(<= ULTIMATE.start_main_~i~5 61), 123562#(<= ULTIMATE.start_main_~i~5 60), 123565#(<= ULTIMATE.start_main_~i~5 63), 123564#(<= ULTIMATE.start_main_~i~5 62), 123567#(<= ULTIMATE.start_main_~i~5 65), 123566#(<= ULTIMATE.start_main_~i~5 64), 123569#(<= ULTIMATE.start_main_~i~5 67), 123568#(<= ULTIMATE.start_main_~i~5 66), 123571#(<= ULTIMATE.start_main_~i~5 69), 123570#(<= ULTIMATE.start_main_~i~5 68), 123573#(<= ULTIMATE.start_main_~i~5 71), 123572#(<= ULTIMATE.start_main_~i~5 70), 123575#(<= ULTIMATE.start_main_~i~5 73), 123574#(<= ULTIMATE.start_main_~i~5 72), 123577#(<= ULTIMATE.start_main_~i~5 75), 123576#(<= ULTIMATE.start_main_~i~5 74), 123579#(<= ULTIMATE.start_main_~i~5 77), 123578#(<= ULTIMATE.start_main_~i~5 76), 123581#(<= ULTIMATE.start_main_~i~5 79), 123580#(<= ULTIMATE.start_main_~i~5 78), 123583#(<= ULTIMATE.start_main_~i~5 81), 123582#(<= ULTIMATE.start_main_~i~5 80), 123585#(<= ULTIMATE.start_main_~i~5 83), 123584#(<= ULTIMATE.start_main_~i~5 82), 123587#(<= ULTIMATE.start_main_~i~5 85), 123586#(<= ULTIMATE.start_main_~i~5 84), 123589#(<= ULTIMATE.start_main_~i~5 87), 123588#(<= ULTIMATE.start_main_~i~5 86), 123591#(<= ULTIMATE.start_main_~i~5 89), 123590#(<= ULTIMATE.start_main_~i~5 88), 123593#(<= ULTIMATE.start_main_~i~5 91), 123592#(<= ULTIMATE.start_main_~i~5 90), 123595#(<= ULTIMATE.start_main_~i~5 93), 123594#(<= ULTIMATE.start_main_~i~5 92), 123597#(<= ULTIMATE.start_main_~i~5 95), 123596#(<= ULTIMATE.start_main_~i~5 94), 123599#(<= ULTIMATE.start_main_~i~5 97), 123598#(<= ULTIMATE.start_main_~i~5 96), 123601#(<= ULTIMATE.start_main_~i~5 99), 123600#(<= ULTIMATE.start_main_~i~5 98), 123603#(<= ULTIMATE.start_main_~i~5 101), 123602#(<= ULTIMATE.start_main_~i~5 100), 123605#(<= ULTIMATE.start_main_~i~5 103), 123604#(<= ULTIMATE.start_main_~i~5 102), 123607#(<= ULTIMATE.start_main_~i~5 105), 123606#(<= ULTIMATE.start_main_~i~5 104), 123609#(<= ULTIMATE.start_main_~i~5 107), 123608#(<= ULTIMATE.start_main_~i~5 106), 123611#(<= ULTIMATE.start_main_~i~5 109), 123610#(<= ULTIMATE.start_main_~i~5 108), 123613#(<= ULTIMATE.start_main_~i~5 111), 123612#(<= ULTIMATE.start_main_~i~5 110), 123615#(<= ULTIMATE.start_main_~i~5 113), 123614#(<= ULTIMATE.start_main_~i~5 112), 123617#(<= ULTIMATE.start_main_~i~5 115), 123616#(<= ULTIMATE.start_main_~i~5 114), 123619#(<= ULTIMATE.start_main_~i~5 117), 123618#(<= ULTIMATE.start_main_~i~5 116), 123621#(<= ULTIMATE.start_main_~i~5 119), 123620#(<= ULTIMATE.start_main_~i~5 118), 123623#(<= ULTIMATE.start_main_~i~5 121), 123622#(<= ULTIMATE.start_main_~i~5 120), 123625#(<= ULTIMATE.start_main_~i~5 123), 123624#(<= ULTIMATE.start_main_~i~5 122), 123627#(<= ULTIMATE.start_main_~i~5 125), 123626#(<= ULTIMATE.start_main_~i~5 124), 123629#(<= ULTIMATE.start_main_~i~5 127), 123628#(<= ULTIMATE.start_main_~i~5 126), 123631#(<= ULTIMATE.start_main_~i~5 129), 123630#(<= ULTIMATE.start_main_~i~5 128), 123633#(<= ULTIMATE.start_main_~i~5 131), 123632#(<= ULTIMATE.start_main_~i~5 130), 123635#(<= ULTIMATE.start_main_~i~5 133), 123634#(<= ULTIMATE.start_main_~i~5 132), 123637#(<= ULTIMATE.start_main_~i~5 135), 123636#(<= ULTIMATE.start_main_~i~5 134), 123639#(<= ULTIMATE.start_main_~i~5 137), 123638#(<= ULTIMATE.start_main_~i~5 136), 123641#(<= ULTIMATE.start_main_~i~5 139), 123640#(<= ULTIMATE.start_main_~i~5 138), 123643#(<= ULTIMATE.start_main_~i~5 141), 123642#(<= ULTIMATE.start_main_~i~5 140), 123645#(<= ULTIMATE.start_main_~i~5 143), 123644#(<= ULTIMATE.start_main_~i~5 142), 123647#(<= ULTIMATE.start_main_~i~5 145), 123646#(<= ULTIMATE.start_main_~i~5 144)] [2018-07-23 13:42:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 26082 backedges. 0 proven. 26082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:31,432 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:42:31,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:42:31,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:42:31,435 INFO L87 Difference]: Start difference. First operand 329 states and 330 transitions. Second operand 164 states. [2018-07-23 13:42:32,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:32,267 INFO L93 Difference]: Finished difference Result 335 states and 337 transitions. [2018-07-23 13:42:32,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:42:32,267 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 328 [2018-07-23 13:42:32,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:32,268 INFO L225 Difference]: With dead ends: 335 [2018-07-23 13:42:32,268 INFO L226 Difference]: Without dead ends: 331 [2018-07-23 13:42:32,269 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 13:42:32,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-07-23 13:42:32,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2018-07-23 13:42:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-07-23 13:42:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 332 transitions. [2018-07-23 13:42:32,273 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 332 transitions. Word has length 328 [2018-07-23 13:42:32,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:32,274 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 332 transitions. [2018-07-23 13:42:32,274 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:42:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 332 transitions. [2018-07-23 13:42:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-07-23 13:42:32,275 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:32,275 INFO L357 BasicCegarLoop]: trace histogram [163, 162, 1, 1, 1, 1, 1] [2018-07-23 13:42:32,275 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:32,275 INFO L82 PathProgramCache]: Analyzing trace with hash -268887245, now seen corresponding path program 162 times [2018-07-23 13:42:32,275 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 26406 backedges. 0 proven. 26406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:33,392 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:33,392 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:42:33,392 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:33,392 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 13:42:33,393 INFO L185 omatonBuilderFactory]: Interpolants [124997#false, 124996#true, 124999#(<= ULTIMATE.start_main_~i~5 1), 124998#(<= ULTIMATE.start_main_~i~5 0), 125001#(<= ULTIMATE.start_main_~i~5 3), 125000#(<= ULTIMATE.start_main_~i~5 2), 125003#(<= ULTIMATE.start_main_~i~5 5), 125002#(<= ULTIMATE.start_main_~i~5 4), 125005#(<= ULTIMATE.start_main_~i~5 7), 125004#(<= ULTIMATE.start_main_~i~5 6), 125007#(<= ULTIMATE.start_main_~i~5 9), 125006#(<= ULTIMATE.start_main_~i~5 8), 125009#(<= ULTIMATE.start_main_~i~5 11), 125008#(<= ULTIMATE.start_main_~i~5 10), 125011#(<= ULTIMATE.start_main_~i~5 13), 125010#(<= ULTIMATE.start_main_~i~5 12), 125013#(<= ULTIMATE.start_main_~i~5 15), 125012#(<= ULTIMATE.start_main_~i~5 14), 125015#(<= ULTIMATE.start_main_~i~5 17), 125014#(<= ULTIMATE.start_main_~i~5 16), 125017#(<= ULTIMATE.start_main_~i~5 19), 125016#(<= ULTIMATE.start_main_~i~5 18), 125019#(<= ULTIMATE.start_main_~i~5 21), 125018#(<= ULTIMATE.start_main_~i~5 20), 125021#(<= ULTIMATE.start_main_~i~5 23), 125020#(<= ULTIMATE.start_main_~i~5 22), 125023#(<= ULTIMATE.start_main_~i~5 25), 125022#(<= ULTIMATE.start_main_~i~5 24), 125025#(<= ULTIMATE.start_main_~i~5 27), 125024#(<= ULTIMATE.start_main_~i~5 26), 125027#(<= ULTIMATE.start_main_~i~5 29), 125026#(<= ULTIMATE.start_main_~i~5 28), 125029#(<= ULTIMATE.start_main_~i~5 31), 125028#(<= ULTIMATE.start_main_~i~5 30), 125031#(<= ULTIMATE.start_main_~i~5 33), 125030#(<= ULTIMATE.start_main_~i~5 32), 125033#(<= ULTIMATE.start_main_~i~5 35), 125032#(<= ULTIMATE.start_main_~i~5 34), 125035#(<= ULTIMATE.start_main_~i~5 37), 125034#(<= ULTIMATE.start_main_~i~5 36), 125037#(<= ULTIMATE.start_main_~i~5 39), 125036#(<= ULTIMATE.start_main_~i~5 38), 125039#(<= ULTIMATE.start_main_~i~5 41), 125038#(<= ULTIMATE.start_main_~i~5 40), 125041#(<= ULTIMATE.start_main_~i~5 43), 125040#(<= ULTIMATE.start_main_~i~5 42), 125043#(<= ULTIMATE.start_main_~i~5 45), 125042#(<= ULTIMATE.start_main_~i~5 44), 125045#(<= ULTIMATE.start_main_~i~5 47), 125044#(<= ULTIMATE.start_main_~i~5 46), 125047#(<= ULTIMATE.start_main_~i~5 49), 125046#(<= ULTIMATE.start_main_~i~5 48), 125049#(<= ULTIMATE.start_main_~i~5 51), 125048#(<= ULTIMATE.start_main_~i~5 50), 125051#(<= ULTIMATE.start_main_~i~5 53), 125050#(<= ULTIMATE.start_main_~i~5 52), 125053#(<= ULTIMATE.start_main_~i~5 55), 125052#(<= ULTIMATE.start_main_~i~5 54), 125055#(<= ULTIMATE.start_main_~i~5 57), 125054#(<= ULTIMATE.start_main_~i~5 56), 125057#(<= ULTIMATE.start_main_~i~5 59), 125056#(<= ULTIMATE.start_main_~i~5 58), 125059#(<= ULTIMATE.start_main_~i~5 61), 125058#(<= ULTIMATE.start_main_~i~5 60), 125061#(<= ULTIMATE.start_main_~i~5 63), 125060#(<= ULTIMATE.start_main_~i~5 62), 125063#(<= ULTIMATE.start_main_~i~5 65), 125062#(<= ULTIMATE.start_main_~i~5 64), 125065#(<= ULTIMATE.start_main_~i~5 67), 125064#(<= ULTIMATE.start_main_~i~5 66), 125067#(<= ULTIMATE.start_main_~i~5 69), 125066#(<= ULTIMATE.start_main_~i~5 68), 125069#(<= ULTIMATE.start_main_~i~5 71), 125068#(<= ULTIMATE.start_main_~i~5 70), 125071#(<= ULTIMATE.start_main_~i~5 73), 125070#(<= ULTIMATE.start_main_~i~5 72), 125073#(<= ULTIMATE.start_main_~i~5 75), 125072#(<= ULTIMATE.start_main_~i~5 74), 125075#(<= ULTIMATE.start_main_~i~5 77), 125074#(<= ULTIMATE.start_main_~i~5 76), 125077#(<= ULTIMATE.start_main_~i~5 79), 125076#(<= ULTIMATE.start_main_~i~5 78), 125079#(<= ULTIMATE.start_main_~i~5 81), 125078#(<= ULTIMATE.start_main_~i~5 80), 125081#(<= ULTIMATE.start_main_~i~5 83), 125080#(<= ULTIMATE.start_main_~i~5 82), 125083#(<= ULTIMATE.start_main_~i~5 85), 125082#(<= ULTIMATE.start_main_~i~5 84), 125085#(<= ULTIMATE.start_main_~i~5 87), 125084#(<= ULTIMATE.start_main_~i~5 86), 125087#(<= ULTIMATE.start_main_~i~5 89), 125086#(<= ULTIMATE.start_main_~i~5 88), 125089#(<= ULTIMATE.start_main_~i~5 91), 125088#(<= ULTIMATE.start_main_~i~5 90), 125091#(<= ULTIMATE.start_main_~i~5 93), 125090#(<= ULTIMATE.start_main_~i~5 92), 125093#(<= ULTIMATE.start_main_~i~5 95), 125092#(<= ULTIMATE.start_main_~i~5 94), 125095#(<= ULTIMATE.start_main_~i~5 97), 125094#(<= ULTIMATE.start_main_~i~5 96), 125097#(<= ULTIMATE.start_main_~i~5 99), 125096#(<= ULTIMATE.start_main_~i~5 98), 125099#(<= ULTIMATE.start_main_~i~5 101), 125098#(<= ULTIMATE.start_main_~i~5 100), 125101#(<= ULTIMATE.start_main_~i~5 103), 125100#(<= ULTIMATE.start_main_~i~5 102), 125103#(<= ULTIMATE.start_main_~i~5 105), 125102#(<= ULTIMATE.start_main_~i~5 104), 125105#(<= ULTIMATE.start_main_~i~5 107), 125104#(<= ULTIMATE.start_main_~i~5 106), 125107#(<= ULTIMATE.start_main_~i~5 109), 125106#(<= ULTIMATE.start_main_~i~5 108), 125109#(<= ULTIMATE.start_main_~i~5 111), 125108#(<= ULTIMATE.start_main_~i~5 110), 125111#(<= ULTIMATE.start_main_~i~5 113), 125110#(<= ULTIMATE.start_main_~i~5 112), 125113#(<= ULTIMATE.start_main_~i~5 115), 125112#(<= ULTIMATE.start_main_~i~5 114), 125115#(<= ULTIMATE.start_main_~i~5 117), 125114#(<= ULTIMATE.start_main_~i~5 116), 125117#(<= ULTIMATE.start_main_~i~5 119), 125116#(<= ULTIMATE.start_main_~i~5 118), 125119#(<= ULTIMATE.start_main_~i~5 121), 125118#(<= ULTIMATE.start_main_~i~5 120), 125121#(<= ULTIMATE.start_main_~i~5 123), 125120#(<= ULTIMATE.start_main_~i~5 122), 125123#(<= ULTIMATE.start_main_~i~5 125), 125122#(<= ULTIMATE.start_main_~i~5 124), 125125#(<= ULTIMATE.start_main_~i~5 127), 125124#(<= ULTIMATE.start_main_~i~5 126), 125127#(<= ULTIMATE.start_main_~i~5 129), 125126#(<= ULTIMATE.start_main_~i~5 128), 125129#(<= ULTIMATE.start_main_~i~5 131), 125128#(<= ULTIMATE.start_main_~i~5 130), 125131#(<= ULTIMATE.start_main_~i~5 133), 125130#(<= ULTIMATE.start_main_~i~5 132), 125133#(<= ULTIMATE.start_main_~i~5 135), 125132#(<= ULTIMATE.start_main_~i~5 134), 125135#(<= ULTIMATE.start_main_~i~5 137), 125134#(<= ULTIMATE.start_main_~i~5 136), 125137#(<= ULTIMATE.start_main_~i~5 139), 125136#(<= ULTIMATE.start_main_~i~5 138), 125139#(<= ULTIMATE.start_main_~i~5 141), 125138#(<= ULTIMATE.start_main_~i~5 140), 125141#(<= ULTIMATE.start_main_~i~5 143), 125140#(<= ULTIMATE.start_main_~i~5 142), 125143#(<= ULTIMATE.start_main_~i~5 145), 125142#(<= ULTIMATE.start_main_~i~5 144), 125145#(<= ULTIMATE.start_main_~i~5 147), 125144#(<= ULTIMATE.start_main_~i~5 146), 125147#(<= ULTIMATE.start_main_~i~5 149), 125146#(<= ULTIMATE.start_main_~i~5 148), 125149#(<= ULTIMATE.start_main_~i~5 151), 125148#(<= ULTIMATE.start_main_~i~5 150), 125151#(<= ULTIMATE.start_main_~i~5 153), 125150#(<= ULTIMATE.start_main_~i~5 152), 125153#(<= ULTIMATE.start_main_~i~5 155), 125152#(<= ULTIMATE.start_main_~i~5 154), 125155#(<= ULTIMATE.start_main_~i~5 157), 125154#(<= ULTIMATE.start_main_~i~5 156), 125157#(<= ULTIMATE.start_main_~i~5 159), 125156#(<= ULTIMATE.start_main_~i~5 158), 125159#(<= ULTIMATE.start_main_~i~5 161), 125158#(<= ULTIMATE.start_main_~i~5 160), 125160#(<= ULTIMATE.start_main_~i~5 162)] [2018-07-23 13:42:33,394 INFO L134 CoverageAnalysis]: Checked inductivity of 26406 backedges. 0 proven. 26406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:33,394 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:42:33,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:42:33,397 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:42:33,397 INFO L87 Difference]: Start difference. First operand 331 states and 332 transitions. Second operand 165 states. [2018-07-23 13:42:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:34,277 INFO L93 Difference]: Finished difference Result 337 states and 339 transitions. [2018-07-23 13:42:34,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:42:34,277 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 330 [2018-07-23 13:42:34,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:34,278 INFO L225 Difference]: With dead ends: 337 [2018-07-23 13:42:34,278 INFO L226 Difference]: Without dead ends: 333 [2018-07-23 13:42:34,279 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 13:42:34,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-07-23 13:42:34,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2018-07-23 13:42:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-07-23 13:42:34,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 334 transitions. [2018-07-23 13:42:34,282 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 334 transitions. Word has length 330 [2018-07-23 13:42:34,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:34,283 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 334 transitions. [2018-07-23 13:42:34,283 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:42:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 334 transitions. [2018-07-23 13:42:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-07-23 13:42:34,284 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:34,284 INFO L357 BasicCegarLoop]: trace histogram [164, 163, 1, 1, 1, 1, 1] [2018-07-23 13:42:34,284 INFO L414 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:34,284 INFO L82 PathProgramCache]: Analyzing trace with hash -786162897, now seen corresponding path program 163 times [2018-07-23 13:42:34,284 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 26732 backedges. 0 proven. 26732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:35,364 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:35,364 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:42:35,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:35,364 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 13:42:35,365 INFO L185 omatonBuilderFactory]: Interpolants [126501#true, 126503#(<= ULTIMATE.start_main_~i~5 0), 126502#false, 126505#(<= ULTIMATE.start_main_~i~5 2), 126504#(<= ULTIMATE.start_main_~i~5 1), 126507#(<= ULTIMATE.start_main_~i~5 4), 126506#(<= ULTIMATE.start_main_~i~5 3), 126509#(<= ULTIMATE.start_main_~i~5 6), 126508#(<= ULTIMATE.start_main_~i~5 5), 126511#(<= ULTIMATE.start_main_~i~5 8), 126510#(<= ULTIMATE.start_main_~i~5 7), 126513#(<= ULTIMATE.start_main_~i~5 10), 126512#(<= ULTIMATE.start_main_~i~5 9), 126515#(<= ULTIMATE.start_main_~i~5 12), 126514#(<= ULTIMATE.start_main_~i~5 11), 126517#(<= ULTIMATE.start_main_~i~5 14), 126516#(<= ULTIMATE.start_main_~i~5 13), 126519#(<= ULTIMATE.start_main_~i~5 16), 126518#(<= ULTIMATE.start_main_~i~5 15), 126521#(<= ULTIMATE.start_main_~i~5 18), 126520#(<= ULTIMATE.start_main_~i~5 17), 126523#(<= ULTIMATE.start_main_~i~5 20), 126522#(<= ULTIMATE.start_main_~i~5 19), 126525#(<= ULTIMATE.start_main_~i~5 22), 126524#(<= ULTIMATE.start_main_~i~5 21), 126527#(<= ULTIMATE.start_main_~i~5 24), 126526#(<= ULTIMATE.start_main_~i~5 23), 126529#(<= ULTIMATE.start_main_~i~5 26), 126528#(<= ULTIMATE.start_main_~i~5 25), 126531#(<= ULTIMATE.start_main_~i~5 28), 126530#(<= ULTIMATE.start_main_~i~5 27), 126533#(<= ULTIMATE.start_main_~i~5 30), 126532#(<= ULTIMATE.start_main_~i~5 29), 126535#(<= ULTIMATE.start_main_~i~5 32), 126534#(<= ULTIMATE.start_main_~i~5 31), 126537#(<= ULTIMATE.start_main_~i~5 34), 126536#(<= ULTIMATE.start_main_~i~5 33), 126539#(<= ULTIMATE.start_main_~i~5 36), 126538#(<= ULTIMATE.start_main_~i~5 35), 126541#(<= ULTIMATE.start_main_~i~5 38), 126540#(<= ULTIMATE.start_main_~i~5 37), 126543#(<= ULTIMATE.start_main_~i~5 40), 126542#(<= ULTIMATE.start_main_~i~5 39), 126545#(<= ULTIMATE.start_main_~i~5 42), 126544#(<= ULTIMATE.start_main_~i~5 41), 126547#(<= ULTIMATE.start_main_~i~5 44), 126546#(<= ULTIMATE.start_main_~i~5 43), 126549#(<= ULTIMATE.start_main_~i~5 46), 126548#(<= ULTIMATE.start_main_~i~5 45), 126551#(<= ULTIMATE.start_main_~i~5 48), 126550#(<= ULTIMATE.start_main_~i~5 47), 126553#(<= ULTIMATE.start_main_~i~5 50), 126552#(<= ULTIMATE.start_main_~i~5 49), 126555#(<= ULTIMATE.start_main_~i~5 52), 126554#(<= ULTIMATE.start_main_~i~5 51), 126557#(<= ULTIMATE.start_main_~i~5 54), 126556#(<= ULTIMATE.start_main_~i~5 53), 126559#(<= ULTIMATE.start_main_~i~5 56), 126558#(<= ULTIMATE.start_main_~i~5 55), 126561#(<= ULTIMATE.start_main_~i~5 58), 126560#(<= ULTIMATE.start_main_~i~5 57), 126563#(<= ULTIMATE.start_main_~i~5 60), 126562#(<= ULTIMATE.start_main_~i~5 59), 126565#(<= ULTIMATE.start_main_~i~5 62), 126564#(<= ULTIMATE.start_main_~i~5 61), 126567#(<= ULTIMATE.start_main_~i~5 64), 126566#(<= ULTIMATE.start_main_~i~5 63), 126569#(<= ULTIMATE.start_main_~i~5 66), 126568#(<= ULTIMATE.start_main_~i~5 65), 126571#(<= ULTIMATE.start_main_~i~5 68), 126570#(<= ULTIMATE.start_main_~i~5 67), 126573#(<= ULTIMATE.start_main_~i~5 70), 126572#(<= ULTIMATE.start_main_~i~5 69), 126575#(<= ULTIMATE.start_main_~i~5 72), 126574#(<= ULTIMATE.start_main_~i~5 71), 126577#(<= ULTIMATE.start_main_~i~5 74), 126576#(<= ULTIMATE.start_main_~i~5 73), 126579#(<= ULTIMATE.start_main_~i~5 76), 126578#(<= ULTIMATE.start_main_~i~5 75), 126581#(<= ULTIMATE.start_main_~i~5 78), 126580#(<= ULTIMATE.start_main_~i~5 77), 126583#(<= ULTIMATE.start_main_~i~5 80), 126582#(<= ULTIMATE.start_main_~i~5 79), 126585#(<= ULTIMATE.start_main_~i~5 82), 126584#(<= ULTIMATE.start_main_~i~5 81), 126587#(<= ULTIMATE.start_main_~i~5 84), 126586#(<= ULTIMATE.start_main_~i~5 83), 126589#(<= ULTIMATE.start_main_~i~5 86), 126588#(<= ULTIMATE.start_main_~i~5 85), 126591#(<= ULTIMATE.start_main_~i~5 88), 126590#(<= ULTIMATE.start_main_~i~5 87), 126593#(<= ULTIMATE.start_main_~i~5 90), 126592#(<= ULTIMATE.start_main_~i~5 89), 126595#(<= ULTIMATE.start_main_~i~5 92), 126594#(<= ULTIMATE.start_main_~i~5 91), 126597#(<= ULTIMATE.start_main_~i~5 94), 126596#(<= ULTIMATE.start_main_~i~5 93), 126599#(<= ULTIMATE.start_main_~i~5 96), 126598#(<= ULTIMATE.start_main_~i~5 95), 126601#(<= ULTIMATE.start_main_~i~5 98), 126600#(<= ULTIMATE.start_main_~i~5 97), 126603#(<= ULTIMATE.start_main_~i~5 100), 126602#(<= ULTIMATE.start_main_~i~5 99), 126605#(<= ULTIMATE.start_main_~i~5 102), 126604#(<= ULTIMATE.start_main_~i~5 101), 126607#(<= ULTIMATE.start_main_~i~5 104), 126606#(<= ULTIMATE.start_main_~i~5 103), 126609#(<= ULTIMATE.start_main_~i~5 106), 126608#(<= ULTIMATE.start_main_~i~5 105), 126611#(<= ULTIMATE.start_main_~i~5 108), 126610#(<= ULTIMATE.start_main_~i~5 107), 126613#(<= ULTIMATE.start_main_~i~5 110), 126612#(<= ULTIMATE.start_main_~i~5 109), 126615#(<= ULTIMATE.start_main_~i~5 112), 126614#(<= ULTIMATE.start_main_~i~5 111), 126617#(<= ULTIMATE.start_main_~i~5 114), 126616#(<= ULTIMATE.start_main_~i~5 113), 126619#(<= ULTIMATE.start_main_~i~5 116), 126618#(<= ULTIMATE.start_main_~i~5 115), 126621#(<= ULTIMATE.start_main_~i~5 118), 126620#(<= ULTIMATE.start_main_~i~5 117), 126623#(<= ULTIMATE.start_main_~i~5 120), 126622#(<= ULTIMATE.start_main_~i~5 119), 126625#(<= ULTIMATE.start_main_~i~5 122), 126624#(<= ULTIMATE.start_main_~i~5 121), 126627#(<= ULTIMATE.start_main_~i~5 124), 126626#(<= ULTIMATE.start_main_~i~5 123), 126629#(<= ULTIMATE.start_main_~i~5 126), 126628#(<= ULTIMATE.start_main_~i~5 125), 126631#(<= ULTIMATE.start_main_~i~5 128), 126630#(<= ULTIMATE.start_main_~i~5 127), 126633#(<= ULTIMATE.start_main_~i~5 130), 126632#(<= ULTIMATE.start_main_~i~5 129), 126635#(<= ULTIMATE.start_main_~i~5 132), 126634#(<= ULTIMATE.start_main_~i~5 131), 126637#(<= ULTIMATE.start_main_~i~5 134), 126636#(<= ULTIMATE.start_main_~i~5 133), 126639#(<= ULTIMATE.start_main_~i~5 136), 126638#(<= ULTIMATE.start_main_~i~5 135), 126641#(<= ULTIMATE.start_main_~i~5 138), 126640#(<= ULTIMATE.start_main_~i~5 137), 126643#(<= ULTIMATE.start_main_~i~5 140), 126642#(<= ULTIMATE.start_main_~i~5 139), 126645#(<= ULTIMATE.start_main_~i~5 142), 126644#(<= ULTIMATE.start_main_~i~5 141), 126647#(<= ULTIMATE.start_main_~i~5 144), 126646#(<= ULTIMATE.start_main_~i~5 143), 126649#(<= ULTIMATE.start_main_~i~5 146), 126648#(<= ULTIMATE.start_main_~i~5 145), 126651#(<= ULTIMATE.start_main_~i~5 148), 126650#(<= ULTIMATE.start_main_~i~5 147), 126653#(<= ULTIMATE.start_main_~i~5 150), 126652#(<= ULTIMATE.start_main_~i~5 149), 126655#(<= ULTIMATE.start_main_~i~5 152), 126654#(<= ULTIMATE.start_main_~i~5 151), 126657#(<= ULTIMATE.start_main_~i~5 154), 126656#(<= ULTIMATE.start_main_~i~5 153), 126659#(<= ULTIMATE.start_main_~i~5 156), 126658#(<= ULTIMATE.start_main_~i~5 155), 126661#(<= ULTIMATE.start_main_~i~5 158), 126660#(<= ULTIMATE.start_main_~i~5 157), 126663#(<= ULTIMATE.start_main_~i~5 160), 126662#(<= ULTIMATE.start_main_~i~5 159), 126665#(<= ULTIMATE.start_main_~i~5 162), 126664#(<= ULTIMATE.start_main_~i~5 161), 126666#(<= ULTIMATE.start_main_~i~5 163)] [2018-07-23 13:42:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 26732 backedges. 0 proven. 26732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:35,366 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:42:35,368 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:42:35,369 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:42:35,370 INFO L87 Difference]: Start difference. First operand 333 states and 334 transitions. Second operand 166 states. [2018-07-23 13:42:36,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:36,576 INFO L93 Difference]: Finished difference Result 339 states and 341 transitions. [2018-07-23 13:42:36,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:42:36,577 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 332 [2018-07-23 13:42:36,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:36,577 INFO L225 Difference]: With dead ends: 339 [2018-07-23 13:42:36,577 INFO L226 Difference]: Without dead ends: 335 [2018-07-23 13:42:36,579 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:42:36,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-07-23 13:42:36,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2018-07-23 13:42:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-07-23 13:42:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 336 transitions. [2018-07-23 13:42:36,584 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 336 transitions. Word has length 332 [2018-07-23 13:42:36,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:36,584 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 336 transitions. [2018-07-23 13:42:36,585 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:42:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 336 transitions. [2018-07-23 13:42:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-07-23 13:42:36,586 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:36,586 INFO L357 BasicCegarLoop]: trace histogram [165, 164, 1, 1, 1, 1, 1] [2018-07-23 13:42:36,586 INFO L414 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:36,587 INFO L82 PathProgramCache]: Analyzing trace with hash 328141867, now seen corresponding path program 164 times [2018-07-23 13:42:36,587 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27060 backedges. 0 proven. 27060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:37,774 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:37,774 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:42:37,774 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:37,774 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 13:42:37,775 INFO L185 omatonBuilderFactory]: Interpolants [128015#true, 128017#(<= ULTIMATE.start_main_~i~5 0), 128016#false, 128019#(<= ULTIMATE.start_main_~i~5 2), 128018#(<= ULTIMATE.start_main_~i~5 1), 128021#(<= ULTIMATE.start_main_~i~5 4), 128020#(<= ULTIMATE.start_main_~i~5 3), 128023#(<= ULTIMATE.start_main_~i~5 6), 128022#(<= ULTIMATE.start_main_~i~5 5), 128025#(<= ULTIMATE.start_main_~i~5 8), 128024#(<= ULTIMATE.start_main_~i~5 7), 128027#(<= ULTIMATE.start_main_~i~5 10), 128026#(<= ULTIMATE.start_main_~i~5 9), 128029#(<= ULTIMATE.start_main_~i~5 12), 128028#(<= ULTIMATE.start_main_~i~5 11), 128031#(<= ULTIMATE.start_main_~i~5 14), 128030#(<= ULTIMATE.start_main_~i~5 13), 128033#(<= ULTIMATE.start_main_~i~5 16), 128032#(<= ULTIMATE.start_main_~i~5 15), 128035#(<= ULTIMATE.start_main_~i~5 18), 128034#(<= ULTIMATE.start_main_~i~5 17), 128037#(<= ULTIMATE.start_main_~i~5 20), 128036#(<= ULTIMATE.start_main_~i~5 19), 128039#(<= ULTIMATE.start_main_~i~5 22), 128038#(<= ULTIMATE.start_main_~i~5 21), 128041#(<= ULTIMATE.start_main_~i~5 24), 128040#(<= ULTIMATE.start_main_~i~5 23), 128043#(<= ULTIMATE.start_main_~i~5 26), 128042#(<= ULTIMATE.start_main_~i~5 25), 128045#(<= ULTIMATE.start_main_~i~5 28), 128044#(<= ULTIMATE.start_main_~i~5 27), 128047#(<= ULTIMATE.start_main_~i~5 30), 128046#(<= ULTIMATE.start_main_~i~5 29), 128049#(<= ULTIMATE.start_main_~i~5 32), 128048#(<= ULTIMATE.start_main_~i~5 31), 128051#(<= ULTIMATE.start_main_~i~5 34), 128050#(<= ULTIMATE.start_main_~i~5 33), 128053#(<= ULTIMATE.start_main_~i~5 36), 128052#(<= ULTIMATE.start_main_~i~5 35), 128055#(<= ULTIMATE.start_main_~i~5 38), 128054#(<= ULTIMATE.start_main_~i~5 37), 128057#(<= ULTIMATE.start_main_~i~5 40), 128056#(<= ULTIMATE.start_main_~i~5 39), 128059#(<= ULTIMATE.start_main_~i~5 42), 128058#(<= ULTIMATE.start_main_~i~5 41), 128061#(<= ULTIMATE.start_main_~i~5 44), 128060#(<= ULTIMATE.start_main_~i~5 43), 128063#(<= ULTIMATE.start_main_~i~5 46), 128062#(<= ULTIMATE.start_main_~i~5 45), 128065#(<= ULTIMATE.start_main_~i~5 48), 128064#(<= ULTIMATE.start_main_~i~5 47), 128067#(<= ULTIMATE.start_main_~i~5 50), 128066#(<= ULTIMATE.start_main_~i~5 49), 128069#(<= ULTIMATE.start_main_~i~5 52), 128068#(<= ULTIMATE.start_main_~i~5 51), 128071#(<= ULTIMATE.start_main_~i~5 54), 128070#(<= ULTIMATE.start_main_~i~5 53), 128073#(<= ULTIMATE.start_main_~i~5 56), 128072#(<= ULTIMATE.start_main_~i~5 55), 128075#(<= ULTIMATE.start_main_~i~5 58), 128074#(<= ULTIMATE.start_main_~i~5 57), 128077#(<= ULTIMATE.start_main_~i~5 60), 128076#(<= ULTIMATE.start_main_~i~5 59), 128079#(<= ULTIMATE.start_main_~i~5 62), 128078#(<= ULTIMATE.start_main_~i~5 61), 128081#(<= ULTIMATE.start_main_~i~5 64), 128080#(<= ULTIMATE.start_main_~i~5 63), 128083#(<= ULTIMATE.start_main_~i~5 66), 128082#(<= ULTIMATE.start_main_~i~5 65), 128085#(<= ULTIMATE.start_main_~i~5 68), 128084#(<= ULTIMATE.start_main_~i~5 67), 128087#(<= ULTIMATE.start_main_~i~5 70), 128086#(<= ULTIMATE.start_main_~i~5 69), 128089#(<= ULTIMATE.start_main_~i~5 72), 128088#(<= ULTIMATE.start_main_~i~5 71), 128091#(<= ULTIMATE.start_main_~i~5 74), 128090#(<= ULTIMATE.start_main_~i~5 73), 128093#(<= ULTIMATE.start_main_~i~5 76), 128092#(<= ULTIMATE.start_main_~i~5 75), 128095#(<= ULTIMATE.start_main_~i~5 78), 128094#(<= ULTIMATE.start_main_~i~5 77), 128097#(<= ULTIMATE.start_main_~i~5 80), 128096#(<= ULTIMATE.start_main_~i~5 79), 128099#(<= ULTIMATE.start_main_~i~5 82), 128098#(<= ULTIMATE.start_main_~i~5 81), 128101#(<= ULTIMATE.start_main_~i~5 84), 128100#(<= ULTIMATE.start_main_~i~5 83), 128103#(<= ULTIMATE.start_main_~i~5 86), 128102#(<= ULTIMATE.start_main_~i~5 85), 128105#(<= ULTIMATE.start_main_~i~5 88), 128104#(<= ULTIMATE.start_main_~i~5 87), 128107#(<= ULTIMATE.start_main_~i~5 90), 128106#(<= ULTIMATE.start_main_~i~5 89), 128109#(<= ULTIMATE.start_main_~i~5 92), 128108#(<= ULTIMATE.start_main_~i~5 91), 128111#(<= ULTIMATE.start_main_~i~5 94), 128110#(<= ULTIMATE.start_main_~i~5 93), 128113#(<= ULTIMATE.start_main_~i~5 96), 128112#(<= ULTIMATE.start_main_~i~5 95), 128115#(<= ULTIMATE.start_main_~i~5 98), 128114#(<= ULTIMATE.start_main_~i~5 97), 128117#(<= ULTIMATE.start_main_~i~5 100), 128116#(<= ULTIMATE.start_main_~i~5 99), 128119#(<= ULTIMATE.start_main_~i~5 102), 128118#(<= ULTIMATE.start_main_~i~5 101), 128121#(<= ULTIMATE.start_main_~i~5 104), 128120#(<= ULTIMATE.start_main_~i~5 103), 128123#(<= ULTIMATE.start_main_~i~5 106), 128122#(<= ULTIMATE.start_main_~i~5 105), 128125#(<= ULTIMATE.start_main_~i~5 108), 128124#(<= ULTIMATE.start_main_~i~5 107), 128127#(<= ULTIMATE.start_main_~i~5 110), 128126#(<= ULTIMATE.start_main_~i~5 109), 128129#(<= ULTIMATE.start_main_~i~5 112), 128128#(<= ULTIMATE.start_main_~i~5 111), 128131#(<= ULTIMATE.start_main_~i~5 114), 128130#(<= ULTIMATE.start_main_~i~5 113), 128133#(<= ULTIMATE.start_main_~i~5 116), 128132#(<= ULTIMATE.start_main_~i~5 115), 128135#(<= ULTIMATE.start_main_~i~5 118), 128134#(<= ULTIMATE.start_main_~i~5 117), 128137#(<= ULTIMATE.start_main_~i~5 120), 128136#(<= ULTIMATE.start_main_~i~5 119), 128139#(<= ULTIMATE.start_main_~i~5 122), 128138#(<= ULTIMATE.start_main_~i~5 121), 128141#(<= ULTIMATE.start_main_~i~5 124), 128140#(<= ULTIMATE.start_main_~i~5 123), 128143#(<= ULTIMATE.start_main_~i~5 126), 128142#(<= ULTIMATE.start_main_~i~5 125), 128145#(<= ULTIMATE.start_main_~i~5 128), 128144#(<= ULTIMATE.start_main_~i~5 127), 128147#(<= ULTIMATE.start_main_~i~5 130), 128146#(<= ULTIMATE.start_main_~i~5 129), 128149#(<= ULTIMATE.start_main_~i~5 132), 128148#(<= ULTIMATE.start_main_~i~5 131), 128151#(<= ULTIMATE.start_main_~i~5 134), 128150#(<= ULTIMATE.start_main_~i~5 133), 128153#(<= ULTIMATE.start_main_~i~5 136), 128152#(<= ULTIMATE.start_main_~i~5 135), 128155#(<= ULTIMATE.start_main_~i~5 138), 128154#(<= ULTIMATE.start_main_~i~5 137), 128157#(<= ULTIMATE.start_main_~i~5 140), 128156#(<= ULTIMATE.start_main_~i~5 139), 128159#(<= ULTIMATE.start_main_~i~5 142), 128158#(<= ULTIMATE.start_main_~i~5 141), 128161#(<= ULTIMATE.start_main_~i~5 144), 128160#(<= ULTIMATE.start_main_~i~5 143), 128163#(<= ULTIMATE.start_main_~i~5 146), 128162#(<= ULTIMATE.start_main_~i~5 145), 128165#(<= ULTIMATE.start_main_~i~5 148), 128164#(<= ULTIMATE.start_main_~i~5 147), 128167#(<= ULTIMATE.start_main_~i~5 150), 128166#(<= ULTIMATE.start_main_~i~5 149), 128169#(<= ULTIMATE.start_main_~i~5 152), 128168#(<= ULTIMATE.start_main_~i~5 151), 128171#(<= ULTIMATE.start_main_~i~5 154), 128170#(<= ULTIMATE.start_main_~i~5 153), 128173#(<= ULTIMATE.start_main_~i~5 156), 128172#(<= ULTIMATE.start_main_~i~5 155), 128175#(<= ULTIMATE.start_main_~i~5 158), 128174#(<= ULTIMATE.start_main_~i~5 157), 128177#(<= ULTIMATE.start_main_~i~5 160), 128176#(<= ULTIMATE.start_main_~i~5 159), 128179#(<= ULTIMATE.start_main_~i~5 162), 128178#(<= ULTIMATE.start_main_~i~5 161), 128181#(<= ULTIMATE.start_main_~i~5 164), 128180#(<= ULTIMATE.start_main_~i~5 163)] [2018-07-23 13:42:37,776 INFO L134 CoverageAnalysis]: Checked inductivity of 27060 backedges. 0 proven. 27060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:37,776 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:42:37,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:42:37,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:42:37,779 INFO L87 Difference]: Start difference. First operand 335 states and 336 transitions. Second operand 167 states. [2018-07-23 13:42:39,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:39,141 INFO L93 Difference]: Finished difference Result 341 states and 343 transitions. [2018-07-23 13:42:39,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:42:39,141 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 334 [2018-07-23 13:42:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:39,142 INFO L225 Difference]: With dead ends: 341 [2018-07-23 13:42:39,142 INFO L226 Difference]: Without dead ends: 337 [2018-07-23 13:42:39,144 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:42:39,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-07-23 13:42:39,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-07-23 13:42:39,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-07-23 13:42:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 338 transitions. [2018-07-23 13:42:39,147 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 338 transitions. Word has length 334 [2018-07-23 13:42:39,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:39,148 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 338 transitions. [2018-07-23 13:42:39,148 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:42:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 338 transitions. [2018-07-23 13:42:39,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-07-23 13:42:39,149 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:39,149 INFO L357 BasicCegarLoop]: trace histogram [166, 165, 1, 1, 1, 1, 1] [2018-07-23 13:42:39,149 INFO L414 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:39,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1728163367, now seen corresponding path program 165 times [2018-07-23 13:42:39,149 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 27390 backedges. 0 proven. 27390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:40,291 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:40,291 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:42:40,291 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:40,291 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 13:42:40,292 INFO L185 omatonBuilderFactory]: Interpolants [129539#false, 129538#true, 129541#(<= ULTIMATE.start_main_~i~5 1), 129540#(<= ULTIMATE.start_main_~i~5 0), 129543#(<= ULTIMATE.start_main_~i~5 3), 129542#(<= ULTIMATE.start_main_~i~5 2), 129545#(<= ULTIMATE.start_main_~i~5 5), 129544#(<= ULTIMATE.start_main_~i~5 4), 129547#(<= ULTIMATE.start_main_~i~5 7), 129546#(<= ULTIMATE.start_main_~i~5 6), 129549#(<= ULTIMATE.start_main_~i~5 9), 129548#(<= ULTIMATE.start_main_~i~5 8), 129551#(<= ULTIMATE.start_main_~i~5 11), 129550#(<= ULTIMATE.start_main_~i~5 10), 129553#(<= ULTIMATE.start_main_~i~5 13), 129552#(<= ULTIMATE.start_main_~i~5 12), 129555#(<= ULTIMATE.start_main_~i~5 15), 129554#(<= ULTIMATE.start_main_~i~5 14), 129557#(<= ULTIMATE.start_main_~i~5 17), 129556#(<= ULTIMATE.start_main_~i~5 16), 129559#(<= ULTIMATE.start_main_~i~5 19), 129558#(<= ULTIMATE.start_main_~i~5 18), 129561#(<= ULTIMATE.start_main_~i~5 21), 129560#(<= ULTIMATE.start_main_~i~5 20), 129563#(<= ULTIMATE.start_main_~i~5 23), 129562#(<= ULTIMATE.start_main_~i~5 22), 129565#(<= ULTIMATE.start_main_~i~5 25), 129564#(<= ULTIMATE.start_main_~i~5 24), 129567#(<= ULTIMATE.start_main_~i~5 27), 129566#(<= ULTIMATE.start_main_~i~5 26), 129569#(<= ULTIMATE.start_main_~i~5 29), 129568#(<= ULTIMATE.start_main_~i~5 28), 129571#(<= ULTIMATE.start_main_~i~5 31), 129570#(<= ULTIMATE.start_main_~i~5 30), 129573#(<= ULTIMATE.start_main_~i~5 33), 129572#(<= ULTIMATE.start_main_~i~5 32), 129575#(<= ULTIMATE.start_main_~i~5 35), 129574#(<= ULTIMATE.start_main_~i~5 34), 129577#(<= ULTIMATE.start_main_~i~5 37), 129576#(<= ULTIMATE.start_main_~i~5 36), 129579#(<= ULTIMATE.start_main_~i~5 39), 129578#(<= ULTIMATE.start_main_~i~5 38), 129581#(<= ULTIMATE.start_main_~i~5 41), 129580#(<= ULTIMATE.start_main_~i~5 40), 129583#(<= ULTIMATE.start_main_~i~5 43), 129582#(<= ULTIMATE.start_main_~i~5 42), 129585#(<= ULTIMATE.start_main_~i~5 45), 129584#(<= ULTIMATE.start_main_~i~5 44), 129587#(<= ULTIMATE.start_main_~i~5 47), 129586#(<= ULTIMATE.start_main_~i~5 46), 129589#(<= ULTIMATE.start_main_~i~5 49), 129588#(<= ULTIMATE.start_main_~i~5 48), 129591#(<= ULTIMATE.start_main_~i~5 51), 129590#(<= ULTIMATE.start_main_~i~5 50), 129593#(<= ULTIMATE.start_main_~i~5 53), 129592#(<= ULTIMATE.start_main_~i~5 52), 129595#(<= ULTIMATE.start_main_~i~5 55), 129594#(<= ULTIMATE.start_main_~i~5 54), 129597#(<= ULTIMATE.start_main_~i~5 57), 129596#(<= ULTIMATE.start_main_~i~5 56), 129599#(<= ULTIMATE.start_main_~i~5 59), 129598#(<= ULTIMATE.start_main_~i~5 58), 129601#(<= ULTIMATE.start_main_~i~5 61), 129600#(<= ULTIMATE.start_main_~i~5 60), 129603#(<= ULTIMATE.start_main_~i~5 63), 129602#(<= ULTIMATE.start_main_~i~5 62), 129605#(<= ULTIMATE.start_main_~i~5 65), 129604#(<= ULTIMATE.start_main_~i~5 64), 129607#(<= ULTIMATE.start_main_~i~5 67), 129606#(<= ULTIMATE.start_main_~i~5 66), 129609#(<= ULTIMATE.start_main_~i~5 69), 129608#(<= ULTIMATE.start_main_~i~5 68), 129611#(<= ULTIMATE.start_main_~i~5 71), 129610#(<= ULTIMATE.start_main_~i~5 70), 129613#(<= ULTIMATE.start_main_~i~5 73), 129612#(<= ULTIMATE.start_main_~i~5 72), 129615#(<= ULTIMATE.start_main_~i~5 75), 129614#(<= ULTIMATE.start_main_~i~5 74), 129617#(<= ULTIMATE.start_main_~i~5 77), 129616#(<= ULTIMATE.start_main_~i~5 76), 129619#(<= ULTIMATE.start_main_~i~5 79), 129618#(<= ULTIMATE.start_main_~i~5 78), 129621#(<= ULTIMATE.start_main_~i~5 81), 129620#(<= ULTIMATE.start_main_~i~5 80), 129623#(<= ULTIMATE.start_main_~i~5 83), 129622#(<= ULTIMATE.start_main_~i~5 82), 129625#(<= ULTIMATE.start_main_~i~5 85), 129624#(<= ULTIMATE.start_main_~i~5 84), 129627#(<= ULTIMATE.start_main_~i~5 87), 129626#(<= ULTIMATE.start_main_~i~5 86), 129629#(<= ULTIMATE.start_main_~i~5 89), 129628#(<= ULTIMATE.start_main_~i~5 88), 129631#(<= ULTIMATE.start_main_~i~5 91), 129630#(<= ULTIMATE.start_main_~i~5 90), 129633#(<= ULTIMATE.start_main_~i~5 93), 129632#(<= ULTIMATE.start_main_~i~5 92), 129635#(<= ULTIMATE.start_main_~i~5 95), 129634#(<= ULTIMATE.start_main_~i~5 94), 129637#(<= ULTIMATE.start_main_~i~5 97), 129636#(<= ULTIMATE.start_main_~i~5 96), 129639#(<= ULTIMATE.start_main_~i~5 99), 129638#(<= ULTIMATE.start_main_~i~5 98), 129641#(<= ULTIMATE.start_main_~i~5 101), 129640#(<= ULTIMATE.start_main_~i~5 100), 129643#(<= ULTIMATE.start_main_~i~5 103), 129642#(<= ULTIMATE.start_main_~i~5 102), 129645#(<= ULTIMATE.start_main_~i~5 105), 129644#(<= ULTIMATE.start_main_~i~5 104), 129647#(<= ULTIMATE.start_main_~i~5 107), 129646#(<= ULTIMATE.start_main_~i~5 106), 129649#(<= ULTIMATE.start_main_~i~5 109), 129648#(<= ULTIMATE.start_main_~i~5 108), 129651#(<= ULTIMATE.start_main_~i~5 111), 129650#(<= ULTIMATE.start_main_~i~5 110), 129653#(<= ULTIMATE.start_main_~i~5 113), 129652#(<= ULTIMATE.start_main_~i~5 112), 129655#(<= ULTIMATE.start_main_~i~5 115), 129654#(<= ULTIMATE.start_main_~i~5 114), 129657#(<= ULTIMATE.start_main_~i~5 117), 129656#(<= ULTIMATE.start_main_~i~5 116), 129659#(<= ULTIMATE.start_main_~i~5 119), 129658#(<= ULTIMATE.start_main_~i~5 118), 129661#(<= ULTIMATE.start_main_~i~5 121), 129660#(<= ULTIMATE.start_main_~i~5 120), 129663#(<= ULTIMATE.start_main_~i~5 123), 129662#(<= ULTIMATE.start_main_~i~5 122), 129665#(<= ULTIMATE.start_main_~i~5 125), 129664#(<= ULTIMATE.start_main_~i~5 124), 129667#(<= ULTIMATE.start_main_~i~5 127), 129666#(<= ULTIMATE.start_main_~i~5 126), 129669#(<= ULTIMATE.start_main_~i~5 129), 129668#(<= ULTIMATE.start_main_~i~5 128), 129671#(<= ULTIMATE.start_main_~i~5 131), 129670#(<= ULTIMATE.start_main_~i~5 130), 129673#(<= ULTIMATE.start_main_~i~5 133), 129672#(<= ULTIMATE.start_main_~i~5 132), 129675#(<= ULTIMATE.start_main_~i~5 135), 129674#(<= ULTIMATE.start_main_~i~5 134), 129677#(<= ULTIMATE.start_main_~i~5 137), 129676#(<= ULTIMATE.start_main_~i~5 136), 129679#(<= ULTIMATE.start_main_~i~5 139), 129678#(<= ULTIMATE.start_main_~i~5 138), 129681#(<= ULTIMATE.start_main_~i~5 141), 129680#(<= ULTIMATE.start_main_~i~5 140), 129683#(<= ULTIMATE.start_main_~i~5 143), 129682#(<= ULTIMATE.start_main_~i~5 142), 129685#(<= ULTIMATE.start_main_~i~5 145), 129684#(<= ULTIMATE.start_main_~i~5 144), 129687#(<= ULTIMATE.start_main_~i~5 147), 129686#(<= ULTIMATE.start_main_~i~5 146), 129689#(<= ULTIMATE.start_main_~i~5 149), 129688#(<= ULTIMATE.start_main_~i~5 148), 129691#(<= ULTIMATE.start_main_~i~5 151), 129690#(<= ULTIMATE.start_main_~i~5 150), 129693#(<= ULTIMATE.start_main_~i~5 153), 129692#(<= ULTIMATE.start_main_~i~5 152), 129695#(<= ULTIMATE.start_main_~i~5 155), 129694#(<= ULTIMATE.start_main_~i~5 154), 129697#(<= ULTIMATE.start_main_~i~5 157), 129696#(<= ULTIMATE.start_main_~i~5 156), 129699#(<= ULTIMATE.start_main_~i~5 159), 129698#(<= ULTIMATE.start_main_~i~5 158), 129701#(<= ULTIMATE.start_main_~i~5 161), 129700#(<= ULTIMATE.start_main_~i~5 160), 129703#(<= ULTIMATE.start_main_~i~5 163), 129702#(<= ULTIMATE.start_main_~i~5 162), 129705#(<= ULTIMATE.start_main_~i~5 165), 129704#(<= ULTIMATE.start_main_~i~5 164)] [2018-07-23 13:42:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 27390 backedges. 0 proven. 27390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:40,293 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:42:40,295 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:42:40,295 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:42:40,296 INFO L87 Difference]: Start difference. First operand 337 states and 338 transitions. Second operand 168 states. [2018-07-23 13:42:41,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:41,662 INFO L93 Difference]: Finished difference Result 343 states and 345 transitions. [2018-07-23 13:42:41,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:42:41,662 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 336 [2018-07-23 13:42:41,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:41,663 INFO L225 Difference]: With dead ends: 343 [2018-07-23 13:42:41,663 INFO L226 Difference]: Without dead ends: 339 [2018-07-23 13:42:41,664 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:42:41,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-07-23 13:42:41,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2018-07-23 13:42:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-07-23 13:42:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 340 transitions. [2018-07-23 13:42:41,668 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 340 transitions. Word has length 336 [2018-07-23 13:42:41,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:41,668 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 340 transitions. [2018-07-23 13:42:41,668 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:42:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 340 transitions. [2018-07-23 13:42:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-07-23 13:42:41,669 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:41,669 INFO L357 BasicCegarLoop]: trace histogram [167, 166, 1, 1, 1, 1, 1] [2018-07-23 13:42:41,670 INFO L414 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:41,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1470906077, now seen corresponding path program 166 times [2018-07-23 13:42:41,670 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 27722 backedges. 0 proven. 27722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:42,812 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:42,813 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:42:42,813 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:42,813 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 13:42:42,813 INFO L185 omatonBuilderFactory]: Interpolants [131074#(<= ULTIMATE.start_main_~i~5 2), 131075#(<= ULTIMATE.start_main_~i~5 3), 131072#(<= ULTIMATE.start_main_~i~5 0), 131073#(<= ULTIMATE.start_main_~i~5 1), 131078#(<= ULTIMATE.start_main_~i~5 6), 131079#(<= ULTIMATE.start_main_~i~5 7), 131076#(<= ULTIMATE.start_main_~i~5 4), 131077#(<= ULTIMATE.start_main_~i~5 5), 131082#(<= ULTIMATE.start_main_~i~5 10), 131083#(<= ULTIMATE.start_main_~i~5 11), 131080#(<= ULTIMATE.start_main_~i~5 8), 131081#(<= ULTIMATE.start_main_~i~5 9), 131086#(<= ULTIMATE.start_main_~i~5 14), 131087#(<= ULTIMATE.start_main_~i~5 15), 131084#(<= ULTIMATE.start_main_~i~5 12), 131085#(<= ULTIMATE.start_main_~i~5 13), 131090#(<= ULTIMATE.start_main_~i~5 18), 131091#(<= ULTIMATE.start_main_~i~5 19), 131088#(<= ULTIMATE.start_main_~i~5 16), 131089#(<= ULTIMATE.start_main_~i~5 17), 131094#(<= ULTIMATE.start_main_~i~5 22), 131095#(<= ULTIMATE.start_main_~i~5 23), 131092#(<= ULTIMATE.start_main_~i~5 20), 131093#(<= ULTIMATE.start_main_~i~5 21), 131098#(<= ULTIMATE.start_main_~i~5 26), 131099#(<= ULTIMATE.start_main_~i~5 27), 131096#(<= ULTIMATE.start_main_~i~5 24), 131097#(<= ULTIMATE.start_main_~i~5 25), 131102#(<= ULTIMATE.start_main_~i~5 30), 131103#(<= ULTIMATE.start_main_~i~5 31), 131100#(<= ULTIMATE.start_main_~i~5 28), 131101#(<= ULTIMATE.start_main_~i~5 29), 131106#(<= ULTIMATE.start_main_~i~5 34), 131107#(<= ULTIMATE.start_main_~i~5 35), 131104#(<= ULTIMATE.start_main_~i~5 32), 131105#(<= ULTIMATE.start_main_~i~5 33), 131110#(<= ULTIMATE.start_main_~i~5 38), 131111#(<= ULTIMATE.start_main_~i~5 39), 131108#(<= ULTIMATE.start_main_~i~5 36), 131109#(<= ULTIMATE.start_main_~i~5 37), 131114#(<= ULTIMATE.start_main_~i~5 42), 131115#(<= ULTIMATE.start_main_~i~5 43), 131112#(<= ULTIMATE.start_main_~i~5 40), 131113#(<= ULTIMATE.start_main_~i~5 41), 131118#(<= ULTIMATE.start_main_~i~5 46), 131119#(<= ULTIMATE.start_main_~i~5 47), 131116#(<= ULTIMATE.start_main_~i~5 44), 131117#(<= ULTIMATE.start_main_~i~5 45), 131122#(<= ULTIMATE.start_main_~i~5 50), 131123#(<= ULTIMATE.start_main_~i~5 51), 131120#(<= ULTIMATE.start_main_~i~5 48), 131121#(<= ULTIMATE.start_main_~i~5 49), 131126#(<= ULTIMATE.start_main_~i~5 54), 131127#(<= ULTIMATE.start_main_~i~5 55), 131124#(<= ULTIMATE.start_main_~i~5 52), 131125#(<= ULTIMATE.start_main_~i~5 53), 131130#(<= ULTIMATE.start_main_~i~5 58), 131131#(<= ULTIMATE.start_main_~i~5 59), 131128#(<= ULTIMATE.start_main_~i~5 56), 131129#(<= ULTIMATE.start_main_~i~5 57), 131134#(<= ULTIMATE.start_main_~i~5 62), 131135#(<= ULTIMATE.start_main_~i~5 63), 131132#(<= ULTIMATE.start_main_~i~5 60), 131133#(<= ULTIMATE.start_main_~i~5 61), 131138#(<= ULTIMATE.start_main_~i~5 66), 131139#(<= ULTIMATE.start_main_~i~5 67), 131136#(<= ULTIMATE.start_main_~i~5 64), 131137#(<= ULTIMATE.start_main_~i~5 65), 131142#(<= ULTIMATE.start_main_~i~5 70), 131143#(<= ULTIMATE.start_main_~i~5 71), 131140#(<= ULTIMATE.start_main_~i~5 68), 131141#(<= ULTIMATE.start_main_~i~5 69), 131146#(<= ULTIMATE.start_main_~i~5 74), 131147#(<= ULTIMATE.start_main_~i~5 75), 131144#(<= ULTIMATE.start_main_~i~5 72), 131145#(<= ULTIMATE.start_main_~i~5 73), 131150#(<= ULTIMATE.start_main_~i~5 78), 131151#(<= ULTIMATE.start_main_~i~5 79), 131148#(<= ULTIMATE.start_main_~i~5 76), 131149#(<= ULTIMATE.start_main_~i~5 77), 131154#(<= ULTIMATE.start_main_~i~5 82), 131155#(<= ULTIMATE.start_main_~i~5 83), 131152#(<= ULTIMATE.start_main_~i~5 80), 131153#(<= ULTIMATE.start_main_~i~5 81), 131158#(<= ULTIMATE.start_main_~i~5 86), 131159#(<= ULTIMATE.start_main_~i~5 87), 131156#(<= ULTIMATE.start_main_~i~5 84), 131157#(<= ULTIMATE.start_main_~i~5 85), 131162#(<= ULTIMATE.start_main_~i~5 90), 131163#(<= ULTIMATE.start_main_~i~5 91), 131160#(<= ULTIMATE.start_main_~i~5 88), 131161#(<= ULTIMATE.start_main_~i~5 89), 131166#(<= ULTIMATE.start_main_~i~5 94), 131167#(<= ULTIMATE.start_main_~i~5 95), 131164#(<= ULTIMATE.start_main_~i~5 92), 131165#(<= ULTIMATE.start_main_~i~5 93), 131170#(<= ULTIMATE.start_main_~i~5 98), 131171#(<= ULTIMATE.start_main_~i~5 99), 131168#(<= ULTIMATE.start_main_~i~5 96), 131169#(<= ULTIMATE.start_main_~i~5 97), 131174#(<= ULTIMATE.start_main_~i~5 102), 131175#(<= ULTIMATE.start_main_~i~5 103), 131172#(<= ULTIMATE.start_main_~i~5 100), 131173#(<= ULTIMATE.start_main_~i~5 101), 131178#(<= ULTIMATE.start_main_~i~5 106), 131179#(<= ULTIMATE.start_main_~i~5 107), 131176#(<= ULTIMATE.start_main_~i~5 104), 131177#(<= ULTIMATE.start_main_~i~5 105), 131182#(<= ULTIMATE.start_main_~i~5 110), 131183#(<= ULTIMATE.start_main_~i~5 111), 131180#(<= ULTIMATE.start_main_~i~5 108), 131181#(<= ULTIMATE.start_main_~i~5 109), 131186#(<= ULTIMATE.start_main_~i~5 114), 131187#(<= ULTIMATE.start_main_~i~5 115), 131184#(<= ULTIMATE.start_main_~i~5 112), 131185#(<= ULTIMATE.start_main_~i~5 113), 131190#(<= ULTIMATE.start_main_~i~5 118), 131191#(<= ULTIMATE.start_main_~i~5 119), 131188#(<= ULTIMATE.start_main_~i~5 116), 131189#(<= ULTIMATE.start_main_~i~5 117), 131194#(<= ULTIMATE.start_main_~i~5 122), 131195#(<= ULTIMATE.start_main_~i~5 123), 131192#(<= ULTIMATE.start_main_~i~5 120), 131193#(<= ULTIMATE.start_main_~i~5 121), 131198#(<= ULTIMATE.start_main_~i~5 126), 131199#(<= ULTIMATE.start_main_~i~5 127), 131196#(<= ULTIMATE.start_main_~i~5 124), 131197#(<= ULTIMATE.start_main_~i~5 125), 131202#(<= ULTIMATE.start_main_~i~5 130), 131203#(<= ULTIMATE.start_main_~i~5 131), 131200#(<= ULTIMATE.start_main_~i~5 128), 131201#(<= ULTIMATE.start_main_~i~5 129), 131206#(<= ULTIMATE.start_main_~i~5 134), 131207#(<= ULTIMATE.start_main_~i~5 135), 131204#(<= ULTIMATE.start_main_~i~5 132), 131205#(<= ULTIMATE.start_main_~i~5 133), 131210#(<= ULTIMATE.start_main_~i~5 138), 131211#(<= ULTIMATE.start_main_~i~5 139), 131208#(<= ULTIMATE.start_main_~i~5 136), 131209#(<= ULTIMATE.start_main_~i~5 137), 131214#(<= ULTIMATE.start_main_~i~5 142), 131215#(<= ULTIMATE.start_main_~i~5 143), 131212#(<= ULTIMATE.start_main_~i~5 140), 131213#(<= ULTIMATE.start_main_~i~5 141), 131218#(<= ULTIMATE.start_main_~i~5 146), 131219#(<= ULTIMATE.start_main_~i~5 147), 131216#(<= ULTIMATE.start_main_~i~5 144), 131217#(<= ULTIMATE.start_main_~i~5 145), 131222#(<= ULTIMATE.start_main_~i~5 150), 131223#(<= ULTIMATE.start_main_~i~5 151), 131220#(<= ULTIMATE.start_main_~i~5 148), 131221#(<= ULTIMATE.start_main_~i~5 149), 131226#(<= ULTIMATE.start_main_~i~5 154), 131227#(<= ULTIMATE.start_main_~i~5 155), 131224#(<= ULTIMATE.start_main_~i~5 152), 131225#(<= ULTIMATE.start_main_~i~5 153), 131230#(<= ULTIMATE.start_main_~i~5 158), 131231#(<= ULTIMATE.start_main_~i~5 159), 131228#(<= ULTIMATE.start_main_~i~5 156), 131229#(<= ULTIMATE.start_main_~i~5 157), 131234#(<= ULTIMATE.start_main_~i~5 162), 131235#(<= ULTIMATE.start_main_~i~5 163), 131232#(<= ULTIMATE.start_main_~i~5 160), 131233#(<= ULTIMATE.start_main_~i~5 161), 131238#(<= ULTIMATE.start_main_~i~5 166), 131236#(<= ULTIMATE.start_main_~i~5 164), 131237#(<= ULTIMATE.start_main_~i~5 165), 131071#false, 131070#true] [2018-07-23 13:42:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 27722 backedges. 0 proven. 27722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:42,815 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:42:42,817 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:42:42,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:42:42,818 INFO L87 Difference]: Start difference. First operand 339 states and 340 transitions. Second operand 169 states. [2018-07-23 13:42:44,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:44,242 INFO L93 Difference]: Finished difference Result 345 states and 347 transitions. [2018-07-23 13:42:44,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:42:44,242 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 338 [2018-07-23 13:42:44,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:44,243 INFO L225 Difference]: With dead ends: 345 [2018-07-23 13:42:44,243 INFO L226 Difference]: Without dead ends: 341 [2018-07-23 13:42:44,245 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:42:44,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-07-23 13:42:44,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2018-07-23 13:42:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-07-23 13:42:44,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 342 transitions. [2018-07-23 13:42:44,248 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 342 transitions. Word has length 338 [2018-07-23 13:42:44,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:44,249 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 342 transitions. [2018-07-23 13:42:44,249 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:42:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 342 transitions. [2018-07-23 13:42:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-07-23 13:42:44,250 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:44,250 INFO L357 BasicCegarLoop]: trace histogram [168, 167, 1, 1, 1, 1, 1] [2018-07-23 13:42:44,250 INFO L414 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:44,250 INFO L82 PathProgramCache]: Analyzing trace with hash -580057825, now seen corresponding path program 167 times [2018-07-23 13:42:44,250 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 28056 backedges. 0 proven. 28056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:45,398 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:45,398 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:42:45,398 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:45,398 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 13:42:45,398 INFO L185 omatonBuilderFactory]: Interpolants [132611#true, 132614#(<= ULTIMATE.start_main_~i~5 1), 132615#(<= ULTIMATE.start_main_~i~5 2), 132612#false, 132613#(<= ULTIMATE.start_main_~i~5 0), 132618#(<= ULTIMATE.start_main_~i~5 5), 132619#(<= ULTIMATE.start_main_~i~5 6), 132616#(<= ULTIMATE.start_main_~i~5 3), 132617#(<= ULTIMATE.start_main_~i~5 4), 132622#(<= ULTIMATE.start_main_~i~5 9), 132623#(<= ULTIMATE.start_main_~i~5 10), 132620#(<= ULTIMATE.start_main_~i~5 7), 132621#(<= ULTIMATE.start_main_~i~5 8), 132626#(<= ULTIMATE.start_main_~i~5 13), 132627#(<= ULTIMATE.start_main_~i~5 14), 132624#(<= ULTIMATE.start_main_~i~5 11), 132625#(<= ULTIMATE.start_main_~i~5 12), 132630#(<= ULTIMATE.start_main_~i~5 17), 132631#(<= ULTIMATE.start_main_~i~5 18), 132628#(<= ULTIMATE.start_main_~i~5 15), 132629#(<= ULTIMATE.start_main_~i~5 16), 132634#(<= ULTIMATE.start_main_~i~5 21), 132635#(<= ULTIMATE.start_main_~i~5 22), 132632#(<= ULTIMATE.start_main_~i~5 19), 132633#(<= ULTIMATE.start_main_~i~5 20), 132638#(<= ULTIMATE.start_main_~i~5 25), 132639#(<= ULTIMATE.start_main_~i~5 26), 132636#(<= ULTIMATE.start_main_~i~5 23), 132637#(<= ULTIMATE.start_main_~i~5 24), 132642#(<= ULTIMATE.start_main_~i~5 29), 132643#(<= ULTIMATE.start_main_~i~5 30), 132640#(<= ULTIMATE.start_main_~i~5 27), 132641#(<= ULTIMATE.start_main_~i~5 28), 132646#(<= ULTIMATE.start_main_~i~5 33), 132647#(<= ULTIMATE.start_main_~i~5 34), 132644#(<= ULTIMATE.start_main_~i~5 31), 132645#(<= ULTIMATE.start_main_~i~5 32), 132650#(<= ULTIMATE.start_main_~i~5 37), 132651#(<= ULTIMATE.start_main_~i~5 38), 132648#(<= ULTIMATE.start_main_~i~5 35), 132649#(<= ULTIMATE.start_main_~i~5 36), 132654#(<= ULTIMATE.start_main_~i~5 41), 132655#(<= ULTIMATE.start_main_~i~5 42), 132652#(<= ULTIMATE.start_main_~i~5 39), 132653#(<= ULTIMATE.start_main_~i~5 40), 132658#(<= ULTIMATE.start_main_~i~5 45), 132659#(<= ULTIMATE.start_main_~i~5 46), 132656#(<= ULTIMATE.start_main_~i~5 43), 132657#(<= ULTIMATE.start_main_~i~5 44), 132662#(<= ULTIMATE.start_main_~i~5 49), 132663#(<= ULTIMATE.start_main_~i~5 50), 132660#(<= ULTIMATE.start_main_~i~5 47), 132661#(<= ULTIMATE.start_main_~i~5 48), 132666#(<= ULTIMATE.start_main_~i~5 53), 132667#(<= ULTIMATE.start_main_~i~5 54), 132664#(<= ULTIMATE.start_main_~i~5 51), 132665#(<= ULTIMATE.start_main_~i~5 52), 132670#(<= ULTIMATE.start_main_~i~5 57), 132671#(<= ULTIMATE.start_main_~i~5 58), 132668#(<= ULTIMATE.start_main_~i~5 55), 132669#(<= ULTIMATE.start_main_~i~5 56), 132674#(<= ULTIMATE.start_main_~i~5 61), 132675#(<= ULTIMATE.start_main_~i~5 62), 132672#(<= ULTIMATE.start_main_~i~5 59), 132673#(<= ULTIMATE.start_main_~i~5 60), 132678#(<= ULTIMATE.start_main_~i~5 65), 132679#(<= ULTIMATE.start_main_~i~5 66), 132676#(<= ULTIMATE.start_main_~i~5 63), 132677#(<= ULTIMATE.start_main_~i~5 64), 132682#(<= ULTIMATE.start_main_~i~5 69), 132683#(<= ULTIMATE.start_main_~i~5 70), 132680#(<= ULTIMATE.start_main_~i~5 67), 132681#(<= ULTIMATE.start_main_~i~5 68), 132686#(<= ULTIMATE.start_main_~i~5 73), 132687#(<= ULTIMATE.start_main_~i~5 74), 132684#(<= ULTIMATE.start_main_~i~5 71), 132685#(<= ULTIMATE.start_main_~i~5 72), 132690#(<= ULTIMATE.start_main_~i~5 77), 132691#(<= ULTIMATE.start_main_~i~5 78), 132688#(<= ULTIMATE.start_main_~i~5 75), 132689#(<= ULTIMATE.start_main_~i~5 76), 132694#(<= ULTIMATE.start_main_~i~5 81), 132695#(<= ULTIMATE.start_main_~i~5 82), 132692#(<= ULTIMATE.start_main_~i~5 79), 132693#(<= ULTIMATE.start_main_~i~5 80), 132698#(<= ULTIMATE.start_main_~i~5 85), 132699#(<= ULTIMATE.start_main_~i~5 86), 132696#(<= ULTIMATE.start_main_~i~5 83), 132697#(<= ULTIMATE.start_main_~i~5 84), 132702#(<= ULTIMATE.start_main_~i~5 89), 132703#(<= ULTIMATE.start_main_~i~5 90), 132700#(<= ULTIMATE.start_main_~i~5 87), 132701#(<= ULTIMATE.start_main_~i~5 88), 132706#(<= ULTIMATE.start_main_~i~5 93), 132707#(<= ULTIMATE.start_main_~i~5 94), 132704#(<= ULTIMATE.start_main_~i~5 91), 132705#(<= ULTIMATE.start_main_~i~5 92), 132710#(<= ULTIMATE.start_main_~i~5 97), 132711#(<= ULTIMATE.start_main_~i~5 98), 132708#(<= ULTIMATE.start_main_~i~5 95), 132709#(<= ULTIMATE.start_main_~i~5 96), 132714#(<= ULTIMATE.start_main_~i~5 101), 132715#(<= ULTIMATE.start_main_~i~5 102), 132712#(<= ULTIMATE.start_main_~i~5 99), 132713#(<= ULTIMATE.start_main_~i~5 100), 132718#(<= ULTIMATE.start_main_~i~5 105), 132719#(<= ULTIMATE.start_main_~i~5 106), 132716#(<= ULTIMATE.start_main_~i~5 103), 132717#(<= ULTIMATE.start_main_~i~5 104), 132722#(<= ULTIMATE.start_main_~i~5 109), 132723#(<= ULTIMATE.start_main_~i~5 110), 132720#(<= ULTIMATE.start_main_~i~5 107), 132721#(<= ULTIMATE.start_main_~i~5 108), 132726#(<= ULTIMATE.start_main_~i~5 113), 132727#(<= ULTIMATE.start_main_~i~5 114), 132724#(<= ULTIMATE.start_main_~i~5 111), 132725#(<= ULTIMATE.start_main_~i~5 112), 132730#(<= ULTIMATE.start_main_~i~5 117), 132731#(<= ULTIMATE.start_main_~i~5 118), 132728#(<= ULTIMATE.start_main_~i~5 115), 132729#(<= ULTIMATE.start_main_~i~5 116), 132734#(<= ULTIMATE.start_main_~i~5 121), 132735#(<= ULTIMATE.start_main_~i~5 122), 132732#(<= ULTIMATE.start_main_~i~5 119), 132733#(<= ULTIMATE.start_main_~i~5 120), 132738#(<= ULTIMATE.start_main_~i~5 125), 132739#(<= ULTIMATE.start_main_~i~5 126), 132736#(<= ULTIMATE.start_main_~i~5 123), 132737#(<= ULTIMATE.start_main_~i~5 124), 132742#(<= ULTIMATE.start_main_~i~5 129), 132743#(<= ULTIMATE.start_main_~i~5 130), 132740#(<= ULTIMATE.start_main_~i~5 127), 132741#(<= ULTIMATE.start_main_~i~5 128), 132746#(<= ULTIMATE.start_main_~i~5 133), 132747#(<= ULTIMATE.start_main_~i~5 134), 132744#(<= ULTIMATE.start_main_~i~5 131), 132745#(<= ULTIMATE.start_main_~i~5 132), 132750#(<= ULTIMATE.start_main_~i~5 137), 132751#(<= ULTIMATE.start_main_~i~5 138), 132748#(<= ULTIMATE.start_main_~i~5 135), 132749#(<= ULTIMATE.start_main_~i~5 136), 132754#(<= ULTIMATE.start_main_~i~5 141), 132755#(<= ULTIMATE.start_main_~i~5 142), 132752#(<= ULTIMATE.start_main_~i~5 139), 132753#(<= ULTIMATE.start_main_~i~5 140), 132758#(<= ULTIMATE.start_main_~i~5 145), 132759#(<= ULTIMATE.start_main_~i~5 146), 132756#(<= ULTIMATE.start_main_~i~5 143), 132757#(<= ULTIMATE.start_main_~i~5 144), 132762#(<= ULTIMATE.start_main_~i~5 149), 132763#(<= ULTIMATE.start_main_~i~5 150), 132760#(<= ULTIMATE.start_main_~i~5 147), 132761#(<= ULTIMATE.start_main_~i~5 148), 132766#(<= ULTIMATE.start_main_~i~5 153), 132767#(<= ULTIMATE.start_main_~i~5 154), 132764#(<= ULTIMATE.start_main_~i~5 151), 132765#(<= ULTIMATE.start_main_~i~5 152), 132770#(<= ULTIMATE.start_main_~i~5 157), 132771#(<= ULTIMATE.start_main_~i~5 158), 132768#(<= ULTIMATE.start_main_~i~5 155), 132769#(<= ULTIMATE.start_main_~i~5 156), 132774#(<= ULTIMATE.start_main_~i~5 161), 132775#(<= ULTIMATE.start_main_~i~5 162), 132772#(<= ULTIMATE.start_main_~i~5 159), 132773#(<= ULTIMATE.start_main_~i~5 160), 132778#(<= ULTIMATE.start_main_~i~5 165), 132779#(<= ULTIMATE.start_main_~i~5 166), 132776#(<= ULTIMATE.start_main_~i~5 163), 132777#(<= ULTIMATE.start_main_~i~5 164), 132780#(<= ULTIMATE.start_main_~i~5 167)] [2018-07-23 13:42:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 28056 backedges. 0 proven. 28056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:45,400 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:42:45,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:42:45,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:42:45,403 INFO L87 Difference]: Start difference. First operand 341 states and 342 transitions. Second operand 170 states. [2018-07-23 13:42:46,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:46,665 INFO L93 Difference]: Finished difference Result 347 states and 349 transitions. [2018-07-23 13:42:46,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:42:46,666 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 340 [2018-07-23 13:42:46,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:46,666 INFO L225 Difference]: With dead ends: 347 [2018-07-23 13:42:46,666 INFO L226 Difference]: Without dead ends: 343 [2018-07-23 13:42:46,667 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 13:42:46,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-07-23 13:42:46,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2018-07-23 13:42:46,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-07-23 13:42:46,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 344 transitions. [2018-07-23 13:42:46,671 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 344 transitions. Word has length 340 [2018-07-23 13:42:46,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:46,671 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 344 transitions. [2018-07-23 13:42:46,671 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:42:46,671 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 344 transitions. [2018-07-23 13:42:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-07-23 13:42:46,672 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:46,672 INFO L357 BasicCegarLoop]: trace histogram [169, 168, 1, 1, 1, 1, 1] [2018-07-23 13:42:46,672 INFO L414 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:46,672 INFO L82 PathProgramCache]: Analyzing trace with hash 826620443, now seen corresponding path program 168 times [2018-07-23 13:42:46,673 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 28392 backedges. 0 proven. 28392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:47,827 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:47,827 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:42:47,828 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:47,828 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 13:42:47,828 INFO L185 omatonBuilderFactory]: Interpolants [134162#false, 134163#(<= ULTIMATE.start_main_~i~5 0), 134161#true, 134166#(<= ULTIMATE.start_main_~i~5 3), 134167#(<= ULTIMATE.start_main_~i~5 4), 134164#(<= ULTIMATE.start_main_~i~5 1), 134165#(<= ULTIMATE.start_main_~i~5 2), 134170#(<= ULTIMATE.start_main_~i~5 7), 134171#(<= ULTIMATE.start_main_~i~5 8), 134168#(<= ULTIMATE.start_main_~i~5 5), 134169#(<= ULTIMATE.start_main_~i~5 6), 134174#(<= ULTIMATE.start_main_~i~5 11), 134175#(<= ULTIMATE.start_main_~i~5 12), 134172#(<= ULTIMATE.start_main_~i~5 9), 134173#(<= ULTIMATE.start_main_~i~5 10), 134178#(<= ULTIMATE.start_main_~i~5 15), 134179#(<= ULTIMATE.start_main_~i~5 16), 134176#(<= ULTIMATE.start_main_~i~5 13), 134177#(<= ULTIMATE.start_main_~i~5 14), 134182#(<= ULTIMATE.start_main_~i~5 19), 134183#(<= ULTIMATE.start_main_~i~5 20), 134180#(<= ULTIMATE.start_main_~i~5 17), 134181#(<= ULTIMATE.start_main_~i~5 18), 134186#(<= ULTIMATE.start_main_~i~5 23), 134187#(<= ULTIMATE.start_main_~i~5 24), 134184#(<= ULTIMATE.start_main_~i~5 21), 134185#(<= ULTIMATE.start_main_~i~5 22), 134190#(<= ULTIMATE.start_main_~i~5 27), 134191#(<= ULTIMATE.start_main_~i~5 28), 134188#(<= ULTIMATE.start_main_~i~5 25), 134189#(<= ULTIMATE.start_main_~i~5 26), 134194#(<= ULTIMATE.start_main_~i~5 31), 134195#(<= ULTIMATE.start_main_~i~5 32), 134192#(<= ULTIMATE.start_main_~i~5 29), 134193#(<= ULTIMATE.start_main_~i~5 30), 134198#(<= ULTIMATE.start_main_~i~5 35), 134199#(<= ULTIMATE.start_main_~i~5 36), 134196#(<= ULTIMATE.start_main_~i~5 33), 134197#(<= ULTIMATE.start_main_~i~5 34), 134202#(<= ULTIMATE.start_main_~i~5 39), 134203#(<= ULTIMATE.start_main_~i~5 40), 134200#(<= ULTIMATE.start_main_~i~5 37), 134201#(<= ULTIMATE.start_main_~i~5 38), 134206#(<= ULTIMATE.start_main_~i~5 43), 134207#(<= ULTIMATE.start_main_~i~5 44), 134204#(<= ULTIMATE.start_main_~i~5 41), 134205#(<= ULTIMATE.start_main_~i~5 42), 134210#(<= ULTIMATE.start_main_~i~5 47), 134211#(<= ULTIMATE.start_main_~i~5 48), 134208#(<= ULTIMATE.start_main_~i~5 45), 134209#(<= ULTIMATE.start_main_~i~5 46), 134214#(<= ULTIMATE.start_main_~i~5 51), 134215#(<= ULTIMATE.start_main_~i~5 52), 134212#(<= ULTIMATE.start_main_~i~5 49), 134213#(<= ULTIMATE.start_main_~i~5 50), 134218#(<= ULTIMATE.start_main_~i~5 55), 134219#(<= ULTIMATE.start_main_~i~5 56), 134216#(<= ULTIMATE.start_main_~i~5 53), 134217#(<= ULTIMATE.start_main_~i~5 54), 134222#(<= ULTIMATE.start_main_~i~5 59), 134223#(<= ULTIMATE.start_main_~i~5 60), 134220#(<= ULTIMATE.start_main_~i~5 57), 134221#(<= ULTIMATE.start_main_~i~5 58), 134226#(<= ULTIMATE.start_main_~i~5 63), 134227#(<= ULTIMATE.start_main_~i~5 64), 134224#(<= ULTIMATE.start_main_~i~5 61), 134225#(<= ULTIMATE.start_main_~i~5 62), 134230#(<= ULTIMATE.start_main_~i~5 67), 134231#(<= ULTIMATE.start_main_~i~5 68), 134228#(<= ULTIMATE.start_main_~i~5 65), 134229#(<= ULTIMATE.start_main_~i~5 66), 134234#(<= ULTIMATE.start_main_~i~5 71), 134235#(<= ULTIMATE.start_main_~i~5 72), 134232#(<= ULTIMATE.start_main_~i~5 69), 134233#(<= ULTIMATE.start_main_~i~5 70), 134238#(<= ULTIMATE.start_main_~i~5 75), 134239#(<= ULTIMATE.start_main_~i~5 76), 134236#(<= ULTIMATE.start_main_~i~5 73), 134237#(<= ULTIMATE.start_main_~i~5 74), 134242#(<= ULTIMATE.start_main_~i~5 79), 134243#(<= ULTIMATE.start_main_~i~5 80), 134240#(<= ULTIMATE.start_main_~i~5 77), 134241#(<= ULTIMATE.start_main_~i~5 78), 134246#(<= ULTIMATE.start_main_~i~5 83), 134247#(<= ULTIMATE.start_main_~i~5 84), 134244#(<= ULTIMATE.start_main_~i~5 81), 134245#(<= ULTIMATE.start_main_~i~5 82), 134250#(<= ULTIMATE.start_main_~i~5 87), 134251#(<= ULTIMATE.start_main_~i~5 88), 134248#(<= ULTIMATE.start_main_~i~5 85), 134249#(<= ULTIMATE.start_main_~i~5 86), 134254#(<= ULTIMATE.start_main_~i~5 91), 134255#(<= ULTIMATE.start_main_~i~5 92), 134252#(<= ULTIMATE.start_main_~i~5 89), 134253#(<= ULTIMATE.start_main_~i~5 90), 134258#(<= ULTIMATE.start_main_~i~5 95), 134259#(<= ULTIMATE.start_main_~i~5 96), 134256#(<= ULTIMATE.start_main_~i~5 93), 134257#(<= ULTIMATE.start_main_~i~5 94), 134262#(<= ULTIMATE.start_main_~i~5 99), 134263#(<= ULTIMATE.start_main_~i~5 100), 134260#(<= ULTIMATE.start_main_~i~5 97), 134261#(<= ULTIMATE.start_main_~i~5 98), 134266#(<= ULTIMATE.start_main_~i~5 103), 134267#(<= ULTIMATE.start_main_~i~5 104), 134264#(<= ULTIMATE.start_main_~i~5 101), 134265#(<= ULTIMATE.start_main_~i~5 102), 134270#(<= ULTIMATE.start_main_~i~5 107), 134271#(<= ULTIMATE.start_main_~i~5 108), 134268#(<= ULTIMATE.start_main_~i~5 105), 134269#(<= ULTIMATE.start_main_~i~5 106), 134274#(<= ULTIMATE.start_main_~i~5 111), 134275#(<= ULTIMATE.start_main_~i~5 112), 134272#(<= ULTIMATE.start_main_~i~5 109), 134273#(<= ULTIMATE.start_main_~i~5 110), 134278#(<= ULTIMATE.start_main_~i~5 115), 134279#(<= ULTIMATE.start_main_~i~5 116), 134276#(<= ULTIMATE.start_main_~i~5 113), 134277#(<= ULTIMATE.start_main_~i~5 114), 134282#(<= ULTIMATE.start_main_~i~5 119), 134283#(<= ULTIMATE.start_main_~i~5 120), 134280#(<= ULTIMATE.start_main_~i~5 117), 134281#(<= ULTIMATE.start_main_~i~5 118), 134286#(<= ULTIMATE.start_main_~i~5 123), 134287#(<= ULTIMATE.start_main_~i~5 124), 134284#(<= ULTIMATE.start_main_~i~5 121), 134285#(<= ULTIMATE.start_main_~i~5 122), 134290#(<= ULTIMATE.start_main_~i~5 127), 134291#(<= ULTIMATE.start_main_~i~5 128), 134288#(<= ULTIMATE.start_main_~i~5 125), 134289#(<= ULTIMATE.start_main_~i~5 126), 134294#(<= ULTIMATE.start_main_~i~5 131), 134295#(<= ULTIMATE.start_main_~i~5 132), 134292#(<= ULTIMATE.start_main_~i~5 129), 134293#(<= ULTIMATE.start_main_~i~5 130), 134298#(<= ULTIMATE.start_main_~i~5 135), 134299#(<= ULTIMATE.start_main_~i~5 136), 134296#(<= ULTIMATE.start_main_~i~5 133), 134297#(<= ULTIMATE.start_main_~i~5 134), 134302#(<= ULTIMATE.start_main_~i~5 139), 134303#(<= ULTIMATE.start_main_~i~5 140), 134300#(<= ULTIMATE.start_main_~i~5 137), 134301#(<= ULTIMATE.start_main_~i~5 138), 134306#(<= ULTIMATE.start_main_~i~5 143), 134307#(<= ULTIMATE.start_main_~i~5 144), 134304#(<= ULTIMATE.start_main_~i~5 141), 134305#(<= ULTIMATE.start_main_~i~5 142), 134310#(<= ULTIMATE.start_main_~i~5 147), 134311#(<= ULTIMATE.start_main_~i~5 148), 134308#(<= ULTIMATE.start_main_~i~5 145), 134309#(<= ULTIMATE.start_main_~i~5 146), 134314#(<= ULTIMATE.start_main_~i~5 151), 134315#(<= ULTIMATE.start_main_~i~5 152), 134312#(<= ULTIMATE.start_main_~i~5 149), 134313#(<= ULTIMATE.start_main_~i~5 150), 134318#(<= ULTIMATE.start_main_~i~5 155), 134319#(<= ULTIMATE.start_main_~i~5 156), 134316#(<= ULTIMATE.start_main_~i~5 153), 134317#(<= ULTIMATE.start_main_~i~5 154), 134322#(<= ULTIMATE.start_main_~i~5 159), 134323#(<= ULTIMATE.start_main_~i~5 160), 134320#(<= ULTIMATE.start_main_~i~5 157), 134321#(<= ULTIMATE.start_main_~i~5 158), 134326#(<= ULTIMATE.start_main_~i~5 163), 134327#(<= ULTIMATE.start_main_~i~5 164), 134324#(<= ULTIMATE.start_main_~i~5 161), 134325#(<= ULTIMATE.start_main_~i~5 162), 134330#(<= ULTIMATE.start_main_~i~5 167), 134331#(<= ULTIMATE.start_main_~i~5 168), 134328#(<= ULTIMATE.start_main_~i~5 165), 134329#(<= ULTIMATE.start_main_~i~5 166)] [2018-07-23 13:42:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 28392 backedges. 0 proven. 28392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:47,830 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:42:47,832 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:42:47,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:42:47,833 INFO L87 Difference]: Start difference. First operand 343 states and 344 transitions. Second operand 171 states. [2018-07-23 13:42:49,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:49,269 INFO L93 Difference]: Finished difference Result 349 states and 351 transitions. [2018-07-23 13:42:49,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:42:49,270 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 342 [2018-07-23 13:42:49,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:49,270 INFO L225 Difference]: With dead ends: 349 [2018-07-23 13:42:49,270 INFO L226 Difference]: Without dead ends: 345 [2018-07-23 13:42:49,272 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:42:49,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-07-23 13:42:49,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2018-07-23 13:42:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-07-23 13:42:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 346 transitions. [2018-07-23 13:42:49,276 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 346 transitions. Word has length 342 [2018-07-23 13:42:49,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:49,276 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 346 transitions. [2018-07-23 13:42:49,276 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:42:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 346 transitions. [2018-07-23 13:42:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-07-23 13:42:49,277 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:49,278 INFO L357 BasicCegarLoop]: trace histogram [170, 169, 1, 1, 1, 1, 1] [2018-07-23 13:42:49,278 INFO L414 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:49,278 INFO L82 PathProgramCache]: Analyzing trace with hash -270262249, now seen corresponding path program 169 times [2018-07-23 13:42:49,278 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:50,467 INFO L134 CoverageAnalysis]: Checked inductivity of 28730 backedges. 0 proven. 28730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:50,467 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:50,467 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:42:50,467 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:50,468 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 13:42:50,468 INFO L185 omatonBuilderFactory]: Interpolants [135722#(<= ULTIMATE.start_main_~i~5 0), 135723#(<= ULTIMATE.start_main_~i~5 1), 135720#true, 135721#false, 135726#(<= ULTIMATE.start_main_~i~5 4), 135727#(<= ULTIMATE.start_main_~i~5 5), 135724#(<= ULTIMATE.start_main_~i~5 2), 135725#(<= ULTIMATE.start_main_~i~5 3), 135730#(<= ULTIMATE.start_main_~i~5 8), 135731#(<= ULTIMATE.start_main_~i~5 9), 135728#(<= ULTIMATE.start_main_~i~5 6), 135729#(<= ULTIMATE.start_main_~i~5 7), 135734#(<= ULTIMATE.start_main_~i~5 12), 135735#(<= ULTIMATE.start_main_~i~5 13), 135732#(<= ULTIMATE.start_main_~i~5 10), 135733#(<= ULTIMATE.start_main_~i~5 11), 135738#(<= ULTIMATE.start_main_~i~5 16), 135739#(<= ULTIMATE.start_main_~i~5 17), 135736#(<= ULTIMATE.start_main_~i~5 14), 135737#(<= ULTIMATE.start_main_~i~5 15), 135742#(<= ULTIMATE.start_main_~i~5 20), 135743#(<= ULTIMATE.start_main_~i~5 21), 135740#(<= ULTIMATE.start_main_~i~5 18), 135741#(<= ULTIMATE.start_main_~i~5 19), 135746#(<= ULTIMATE.start_main_~i~5 24), 135747#(<= ULTIMATE.start_main_~i~5 25), 135744#(<= ULTIMATE.start_main_~i~5 22), 135745#(<= ULTIMATE.start_main_~i~5 23), 135750#(<= ULTIMATE.start_main_~i~5 28), 135751#(<= ULTIMATE.start_main_~i~5 29), 135748#(<= ULTIMATE.start_main_~i~5 26), 135749#(<= ULTIMATE.start_main_~i~5 27), 135754#(<= ULTIMATE.start_main_~i~5 32), 135755#(<= ULTIMATE.start_main_~i~5 33), 135752#(<= ULTIMATE.start_main_~i~5 30), 135753#(<= ULTIMATE.start_main_~i~5 31), 135758#(<= ULTIMATE.start_main_~i~5 36), 135759#(<= ULTIMATE.start_main_~i~5 37), 135756#(<= ULTIMATE.start_main_~i~5 34), 135757#(<= ULTIMATE.start_main_~i~5 35), 135762#(<= ULTIMATE.start_main_~i~5 40), 135763#(<= ULTIMATE.start_main_~i~5 41), 135760#(<= ULTIMATE.start_main_~i~5 38), 135761#(<= ULTIMATE.start_main_~i~5 39), 135766#(<= ULTIMATE.start_main_~i~5 44), 135767#(<= ULTIMATE.start_main_~i~5 45), 135764#(<= ULTIMATE.start_main_~i~5 42), 135765#(<= ULTIMATE.start_main_~i~5 43), 135770#(<= ULTIMATE.start_main_~i~5 48), 135771#(<= ULTIMATE.start_main_~i~5 49), 135768#(<= ULTIMATE.start_main_~i~5 46), 135769#(<= ULTIMATE.start_main_~i~5 47), 135774#(<= ULTIMATE.start_main_~i~5 52), 135775#(<= ULTIMATE.start_main_~i~5 53), 135772#(<= ULTIMATE.start_main_~i~5 50), 135773#(<= ULTIMATE.start_main_~i~5 51), 135778#(<= ULTIMATE.start_main_~i~5 56), 135779#(<= ULTIMATE.start_main_~i~5 57), 135776#(<= ULTIMATE.start_main_~i~5 54), 135777#(<= ULTIMATE.start_main_~i~5 55), 135782#(<= ULTIMATE.start_main_~i~5 60), 135783#(<= ULTIMATE.start_main_~i~5 61), 135780#(<= ULTIMATE.start_main_~i~5 58), 135781#(<= ULTIMATE.start_main_~i~5 59), 135786#(<= ULTIMATE.start_main_~i~5 64), 135787#(<= ULTIMATE.start_main_~i~5 65), 135784#(<= ULTIMATE.start_main_~i~5 62), 135785#(<= ULTIMATE.start_main_~i~5 63), 135790#(<= ULTIMATE.start_main_~i~5 68), 135791#(<= ULTIMATE.start_main_~i~5 69), 135788#(<= ULTIMATE.start_main_~i~5 66), 135789#(<= ULTIMATE.start_main_~i~5 67), 135794#(<= ULTIMATE.start_main_~i~5 72), 135795#(<= ULTIMATE.start_main_~i~5 73), 135792#(<= ULTIMATE.start_main_~i~5 70), 135793#(<= ULTIMATE.start_main_~i~5 71), 135798#(<= ULTIMATE.start_main_~i~5 76), 135799#(<= ULTIMATE.start_main_~i~5 77), 135796#(<= ULTIMATE.start_main_~i~5 74), 135797#(<= ULTIMATE.start_main_~i~5 75), 135802#(<= ULTIMATE.start_main_~i~5 80), 135803#(<= ULTIMATE.start_main_~i~5 81), 135800#(<= ULTIMATE.start_main_~i~5 78), 135801#(<= ULTIMATE.start_main_~i~5 79), 135806#(<= ULTIMATE.start_main_~i~5 84), 135807#(<= ULTIMATE.start_main_~i~5 85), 135804#(<= ULTIMATE.start_main_~i~5 82), 135805#(<= ULTIMATE.start_main_~i~5 83), 135810#(<= ULTIMATE.start_main_~i~5 88), 135811#(<= ULTIMATE.start_main_~i~5 89), 135808#(<= ULTIMATE.start_main_~i~5 86), 135809#(<= ULTIMATE.start_main_~i~5 87), 135814#(<= ULTIMATE.start_main_~i~5 92), 135815#(<= ULTIMATE.start_main_~i~5 93), 135812#(<= ULTIMATE.start_main_~i~5 90), 135813#(<= ULTIMATE.start_main_~i~5 91), 135818#(<= ULTIMATE.start_main_~i~5 96), 135819#(<= ULTIMATE.start_main_~i~5 97), 135816#(<= ULTIMATE.start_main_~i~5 94), 135817#(<= ULTIMATE.start_main_~i~5 95), 135822#(<= ULTIMATE.start_main_~i~5 100), 135823#(<= ULTIMATE.start_main_~i~5 101), 135820#(<= ULTIMATE.start_main_~i~5 98), 135821#(<= ULTIMATE.start_main_~i~5 99), 135826#(<= ULTIMATE.start_main_~i~5 104), 135827#(<= ULTIMATE.start_main_~i~5 105), 135824#(<= ULTIMATE.start_main_~i~5 102), 135825#(<= ULTIMATE.start_main_~i~5 103), 135830#(<= ULTIMATE.start_main_~i~5 108), 135831#(<= ULTIMATE.start_main_~i~5 109), 135828#(<= ULTIMATE.start_main_~i~5 106), 135829#(<= ULTIMATE.start_main_~i~5 107), 135834#(<= ULTIMATE.start_main_~i~5 112), 135835#(<= ULTIMATE.start_main_~i~5 113), 135832#(<= ULTIMATE.start_main_~i~5 110), 135833#(<= ULTIMATE.start_main_~i~5 111), 135838#(<= ULTIMATE.start_main_~i~5 116), 135839#(<= ULTIMATE.start_main_~i~5 117), 135836#(<= ULTIMATE.start_main_~i~5 114), 135837#(<= ULTIMATE.start_main_~i~5 115), 135842#(<= ULTIMATE.start_main_~i~5 120), 135843#(<= ULTIMATE.start_main_~i~5 121), 135840#(<= ULTIMATE.start_main_~i~5 118), 135841#(<= ULTIMATE.start_main_~i~5 119), 135846#(<= ULTIMATE.start_main_~i~5 124), 135847#(<= ULTIMATE.start_main_~i~5 125), 135844#(<= ULTIMATE.start_main_~i~5 122), 135845#(<= ULTIMATE.start_main_~i~5 123), 135850#(<= ULTIMATE.start_main_~i~5 128), 135851#(<= ULTIMATE.start_main_~i~5 129), 135848#(<= ULTIMATE.start_main_~i~5 126), 135849#(<= ULTIMATE.start_main_~i~5 127), 135854#(<= ULTIMATE.start_main_~i~5 132), 135855#(<= ULTIMATE.start_main_~i~5 133), 135852#(<= ULTIMATE.start_main_~i~5 130), 135853#(<= ULTIMATE.start_main_~i~5 131), 135858#(<= ULTIMATE.start_main_~i~5 136), 135859#(<= ULTIMATE.start_main_~i~5 137), 135856#(<= ULTIMATE.start_main_~i~5 134), 135857#(<= ULTIMATE.start_main_~i~5 135), 135862#(<= ULTIMATE.start_main_~i~5 140), 135863#(<= ULTIMATE.start_main_~i~5 141), 135860#(<= ULTIMATE.start_main_~i~5 138), 135861#(<= ULTIMATE.start_main_~i~5 139), 135866#(<= ULTIMATE.start_main_~i~5 144), 135867#(<= ULTIMATE.start_main_~i~5 145), 135864#(<= ULTIMATE.start_main_~i~5 142), 135865#(<= ULTIMATE.start_main_~i~5 143), 135870#(<= ULTIMATE.start_main_~i~5 148), 135871#(<= ULTIMATE.start_main_~i~5 149), 135868#(<= ULTIMATE.start_main_~i~5 146), 135869#(<= ULTIMATE.start_main_~i~5 147), 135874#(<= ULTIMATE.start_main_~i~5 152), 135875#(<= ULTIMATE.start_main_~i~5 153), 135872#(<= ULTIMATE.start_main_~i~5 150), 135873#(<= ULTIMATE.start_main_~i~5 151), 135878#(<= ULTIMATE.start_main_~i~5 156), 135879#(<= ULTIMATE.start_main_~i~5 157), 135876#(<= ULTIMATE.start_main_~i~5 154), 135877#(<= ULTIMATE.start_main_~i~5 155), 135882#(<= ULTIMATE.start_main_~i~5 160), 135883#(<= ULTIMATE.start_main_~i~5 161), 135880#(<= ULTIMATE.start_main_~i~5 158), 135881#(<= ULTIMATE.start_main_~i~5 159), 135886#(<= ULTIMATE.start_main_~i~5 164), 135887#(<= ULTIMATE.start_main_~i~5 165), 135884#(<= ULTIMATE.start_main_~i~5 162), 135885#(<= ULTIMATE.start_main_~i~5 163), 135890#(<= ULTIMATE.start_main_~i~5 168), 135891#(<= ULTIMATE.start_main_~i~5 169), 135888#(<= ULTIMATE.start_main_~i~5 166), 135889#(<= ULTIMATE.start_main_~i~5 167)] [2018-07-23 13:42:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 28730 backedges. 0 proven. 28730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:50,469 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:42:50,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:42:50,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:42:50,473 INFO L87 Difference]: Start difference. First operand 345 states and 346 transitions. Second operand 172 states. [2018-07-23 13:42:51,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:51,887 INFO L93 Difference]: Finished difference Result 351 states and 353 transitions. [2018-07-23 13:42:51,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:42:51,887 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 344 [2018-07-23 13:42:51,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:51,888 INFO L225 Difference]: With dead ends: 351 [2018-07-23 13:42:51,888 INFO L226 Difference]: Without dead ends: 347 [2018-07-23 13:42:51,890 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 13:42:51,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-07-23 13:42:51,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2018-07-23 13:42:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-07-23 13:42:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 348 transitions. [2018-07-23 13:42:51,894 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 348 transitions. Word has length 344 [2018-07-23 13:42:51,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:51,894 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 348 transitions. [2018-07-23 13:42:51,894 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:42:51,894 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 348 transitions. [2018-07-23 13:42:51,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-07-23 13:42:51,895 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:51,895 INFO L357 BasicCegarLoop]: trace histogram [171, 170, 1, 1, 1, 1, 1] [2018-07-23 13:42:51,895 INFO L414 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:51,896 INFO L82 PathProgramCache]: Analyzing trace with hash -2107541741, now seen corresponding path program 170 times [2018-07-23 13:42:51,896 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 29070 backedges. 0 proven. 29070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:53,158 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:53,158 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:42:53,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:53,158 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 13:42:53,159 INFO L185 omatonBuilderFactory]: Interpolants [137290#(<= ULTIMATE.start_main_~i~5 0), 137291#(<= ULTIMATE.start_main_~i~5 1), 137288#true, 137289#false, 137294#(<= ULTIMATE.start_main_~i~5 4), 137295#(<= ULTIMATE.start_main_~i~5 5), 137292#(<= ULTIMATE.start_main_~i~5 2), 137293#(<= ULTIMATE.start_main_~i~5 3), 137298#(<= ULTIMATE.start_main_~i~5 8), 137299#(<= ULTIMATE.start_main_~i~5 9), 137296#(<= ULTIMATE.start_main_~i~5 6), 137297#(<= ULTIMATE.start_main_~i~5 7), 137302#(<= ULTIMATE.start_main_~i~5 12), 137303#(<= ULTIMATE.start_main_~i~5 13), 137300#(<= ULTIMATE.start_main_~i~5 10), 137301#(<= ULTIMATE.start_main_~i~5 11), 137306#(<= ULTIMATE.start_main_~i~5 16), 137307#(<= ULTIMATE.start_main_~i~5 17), 137304#(<= ULTIMATE.start_main_~i~5 14), 137305#(<= ULTIMATE.start_main_~i~5 15), 137310#(<= ULTIMATE.start_main_~i~5 20), 137311#(<= ULTIMATE.start_main_~i~5 21), 137308#(<= ULTIMATE.start_main_~i~5 18), 137309#(<= ULTIMATE.start_main_~i~5 19), 137314#(<= ULTIMATE.start_main_~i~5 24), 137315#(<= ULTIMATE.start_main_~i~5 25), 137312#(<= ULTIMATE.start_main_~i~5 22), 137313#(<= ULTIMATE.start_main_~i~5 23), 137318#(<= ULTIMATE.start_main_~i~5 28), 137319#(<= ULTIMATE.start_main_~i~5 29), 137316#(<= ULTIMATE.start_main_~i~5 26), 137317#(<= ULTIMATE.start_main_~i~5 27), 137322#(<= ULTIMATE.start_main_~i~5 32), 137323#(<= ULTIMATE.start_main_~i~5 33), 137320#(<= ULTIMATE.start_main_~i~5 30), 137321#(<= ULTIMATE.start_main_~i~5 31), 137326#(<= ULTIMATE.start_main_~i~5 36), 137327#(<= ULTIMATE.start_main_~i~5 37), 137324#(<= ULTIMATE.start_main_~i~5 34), 137325#(<= ULTIMATE.start_main_~i~5 35), 137330#(<= ULTIMATE.start_main_~i~5 40), 137331#(<= ULTIMATE.start_main_~i~5 41), 137328#(<= ULTIMATE.start_main_~i~5 38), 137329#(<= ULTIMATE.start_main_~i~5 39), 137334#(<= ULTIMATE.start_main_~i~5 44), 137335#(<= ULTIMATE.start_main_~i~5 45), 137332#(<= ULTIMATE.start_main_~i~5 42), 137333#(<= ULTIMATE.start_main_~i~5 43), 137338#(<= ULTIMATE.start_main_~i~5 48), 137339#(<= ULTIMATE.start_main_~i~5 49), 137336#(<= ULTIMATE.start_main_~i~5 46), 137337#(<= ULTIMATE.start_main_~i~5 47), 137342#(<= ULTIMATE.start_main_~i~5 52), 137343#(<= ULTIMATE.start_main_~i~5 53), 137340#(<= ULTIMATE.start_main_~i~5 50), 137341#(<= ULTIMATE.start_main_~i~5 51), 137346#(<= ULTIMATE.start_main_~i~5 56), 137347#(<= ULTIMATE.start_main_~i~5 57), 137344#(<= ULTIMATE.start_main_~i~5 54), 137345#(<= ULTIMATE.start_main_~i~5 55), 137350#(<= ULTIMATE.start_main_~i~5 60), 137351#(<= ULTIMATE.start_main_~i~5 61), 137348#(<= ULTIMATE.start_main_~i~5 58), 137349#(<= ULTIMATE.start_main_~i~5 59), 137354#(<= ULTIMATE.start_main_~i~5 64), 137355#(<= ULTIMATE.start_main_~i~5 65), 137352#(<= ULTIMATE.start_main_~i~5 62), 137353#(<= ULTIMATE.start_main_~i~5 63), 137358#(<= ULTIMATE.start_main_~i~5 68), 137359#(<= ULTIMATE.start_main_~i~5 69), 137356#(<= ULTIMATE.start_main_~i~5 66), 137357#(<= ULTIMATE.start_main_~i~5 67), 137362#(<= ULTIMATE.start_main_~i~5 72), 137363#(<= ULTIMATE.start_main_~i~5 73), 137360#(<= ULTIMATE.start_main_~i~5 70), 137361#(<= ULTIMATE.start_main_~i~5 71), 137366#(<= ULTIMATE.start_main_~i~5 76), 137367#(<= ULTIMATE.start_main_~i~5 77), 137364#(<= ULTIMATE.start_main_~i~5 74), 137365#(<= ULTIMATE.start_main_~i~5 75), 137370#(<= ULTIMATE.start_main_~i~5 80), 137371#(<= ULTIMATE.start_main_~i~5 81), 137368#(<= ULTIMATE.start_main_~i~5 78), 137369#(<= ULTIMATE.start_main_~i~5 79), 137374#(<= ULTIMATE.start_main_~i~5 84), 137375#(<= ULTIMATE.start_main_~i~5 85), 137372#(<= ULTIMATE.start_main_~i~5 82), 137373#(<= ULTIMATE.start_main_~i~5 83), 137378#(<= ULTIMATE.start_main_~i~5 88), 137379#(<= ULTIMATE.start_main_~i~5 89), 137376#(<= ULTIMATE.start_main_~i~5 86), 137377#(<= ULTIMATE.start_main_~i~5 87), 137382#(<= ULTIMATE.start_main_~i~5 92), 137383#(<= ULTIMATE.start_main_~i~5 93), 137380#(<= ULTIMATE.start_main_~i~5 90), 137381#(<= ULTIMATE.start_main_~i~5 91), 137386#(<= ULTIMATE.start_main_~i~5 96), 137387#(<= ULTIMATE.start_main_~i~5 97), 137384#(<= ULTIMATE.start_main_~i~5 94), 137385#(<= ULTIMATE.start_main_~i~5 95), 137390#(<= ULTIMATE.start_main_~i~5 100), 137391#(<= ULTIMATE.start_main_~i~5 101), 137388#(<= ULTIMATE.start_main_~i~5 98), 137389#(<= ULTIMATE.start_main_~i~5 99), 137394#(<= ULTIMATE.start_main_~i~5 104), 137395#(<= ULTIMATE.start_main_~i~5 105), 137392#(<= ULTIMATE.start_main_~i~5 102), 137393#(<= ULTIMATE.start_main_~i~5 103), 137398#(<= ULTIMATE.start_main_~i~5 108), 137399#(<= ULTIMATE.start_main_~i~5 109), 137396#(<= ULTIMATE.start_main_~i~5 106), 137397#(<= ULTIMATE.start_main_~i~5 107), 137402#(<= ULTIMATE.start_main_~i~5 112), 137403#(<= ULTIMATE.start_main_~i~5 113), 137400#(<= ULTIMATE.start_main_~i~5 110), 137401#(<= ULTIMATE.start_main_~i~5 111), 137406#(<= ULTIMATE.start_main_~i~5 116), 137407#(<= ULTIMATE.start_main_~i~5 117), 137404#(<= ULTIMATE.start_main_~i~5 114), 137405#(<= ULTIMATE.start_main_~i~5 115), 137410#(<= ULTIMATE.start_main_~i~5 120), 137411#(<= ULTIMATE.start_main_~i~5 121), 137408#(<= ULTIMATE.start_main_~i~5 118), 137409#(<= ULTIMATE.start_main_~i~5 119), 137414#(<= ULTIMATE.start_main_~i~5 124), 137415#(<= ULTIMATE.start_main_~i~5 125), 137412#(<= ULTIMATE.start_main_~i~5 122), 137413#(<= ULTIMATE.start_main_~i~5 123), 137418#(<= ULTIMATE.start_main_~i~5 128), 137419#(<= ULTIMATE.start_main_~i~5 129), 137416#(<= ULTIMATE.start_main_~i~5 126), 137417#(<= ULTIMATE.start_main_~i~5 127), 137422#(<= ULTIMATE.start_main_~i~5 132), 137423#(<= ULTIMATE.start_main_~i~5 133), 137420#(<= ULTIMATE.start_main_~i~5 130), 137421#(<= ULTIMATE.start_main_~i~5 131), 137426#(<= ULTIMATE.start_main_~i~5 136), 137427#(<= ULTIMATE.start_main_~i~5 137), 137424#(<= ULTIMATE.start_main_~i~5 134), 137425#(<= ULTIMATE.start_main_~i~5 135), 137430#(<= ULTIMATE.start_main_~i~5 140), 137431#(<= ULTIMATE.start_main_~i~5 141), 137428#(<= ULTIMATE.start_main_~i~5 138), 137429#(<= ULTIMATE.start_main_~i~5 139), 137434#(<= ULTIMATE.start_main_~i~5 144), 137435#(<= ULTIMATE.start_main_~i~5 145), 137432#(<= ULTIMATE.start_main_~i~5 142), 137433#(<= ULTIMATE.start_main_~i~5 143), 137438#(<= ULTIMATE.start_main_~i~5 148), 137439#(<= ULTIMATE.start_main_~i~5 149), 137436#(<= ULTIMATE.start_main_~i~5 146), 137437#(<= ULTIMATE.start_main_~i~5 147), 137442#(<= ULTIMATE.start_main_~i~5 152), 137443#(<= ULTIMATE.start_main_~i~5 153), 137440#(<= ULTIMATE.start_main_~i~5 150), 137441#(<= ULTIMATE.start_main_~i~5 151), 137446#(<= ULTIMATE.start_main_~i~5 156), 137447#(<= ULTIMATE.start_main_~i~5 157), 137444#(<= ULTIMATE.start_main_~i~5 154), 137445#(<= ULTIMATE.start_main_~i~5 155), 137450#(<= ULTIMATE.start_main_~i~5 160), 137451#(<= ULTIMATE.start_main_~i~5 161), 137448#(<= ULTIMATE.start_main_~i~5 158), 137449#(<= ULTIMATE.start_main_~i~5 159), 137454#(<= ULTIMATE.start_main_~i~5 164), 137455#(<= ULTIMATE.start_main_~i~5 165), 137452#(<= ULTIMATE.start_main_~i~5 162), 137453#(<= ULTIMATE.start_main_~i~5 163), 137458#(<= ULTIMATE.start_main_~i~5 168), 137459#(<= ULTIMATE.start_main_~i~5 169), 137456#(<= ULTIMATE.start_main_~i~5 166), 137457#(<= ULTIMATE.start_main_~i~5 167), 137460#(<= ULTIMATE.start_main_~i~5 170)] [2018-07-23 13:42:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 29070 backedges. 0 proven. 29070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:53,161 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:42:53,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:42:53,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:42:53,166 INFO L87 Difference]: Start difference. First operand 347 states and 348 transitions. Second operand 173 states. [2018-07-23 13:42:54,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:54,380 INFO L93 Difference]: Finished difference Result 353 states and 355 transitions. [2018-07-23 13:42:54,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:42:54,380 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 346 [2018-07-23 13:42:54,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:54,381 INFO L225 Difference]: With dead ends: 353 [2018-07-23 13:42:54,381 INFO L226 Difference]: Without dead ends: 349 [2018-07-23 13:42:54,383 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 13:42:54,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-07-23 13:42:54,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2018-07-23 13:42:54,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-07-23 13:42:54,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 350 transitions. [2018-07-23 13:42:54,387 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 350 transitions. Word has length 346 [2018-07-23 13:42:54,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:54,387 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 350 transitions. [2018-07-23 13:42:54,387 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:42:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 350 transitions. [2018-07-23 13:42:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-07-23 13:42:54,389 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:54,389 INFO L357 BasicCegarLoop]: trace histogram [172, 171, 1, 1, 1, 1, 1] [2018-07-23 13:42:54,389 INFO L414 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:54,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392399, now seen corresponding path program 171 times [2018-07-23 13:42:54,389 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 29412 backedges. 0 proven. 29412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:55,686 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:55,686 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:42:55,687 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:55,687 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 13:42:55,687 INFO L185 omatonBuilderFactory]: Interpolants [139010#(<= ULTIMATE.start_main_~i~5 143), 139011#(<= ULTIMATE.start_main_~i~5 144), 139008#(<= ULTIMATE.start_main_~i~5 141), 139009#(<= ULTIMATE.start_main_~i~5 142), 139014#(<= ULTIMATE.start_main_~i~5 147), 139015#(<= ULTIMATE.start_main_~i~5 148), 139012#(<= ULTIMATE.start_main_~i~5 145), 139013#(<= ULTIMATE.start_main_~i~5 146), 139018#(<= ULTIMATE.start_main_~i~5 151), 139019#(<= ULTIMATE.start_main_~i~5 152), 139016#(<= ULTIMATE.start_main_~i~5 149), 139017#(<= ULTIMATE.start_main_~i~5 150), 139022#(<= ULTIMATE.start_main_~i~5 155), 139023#(<= ULTIMATE.start_main_~i~5 156), 139020#(<= ULTIMATE.start_main_~i~5 153), 139021#(<= ULTIMATE.start_main_~i~5 154), 139026#(<= ULTIMATE.start_main_~i~5 159), 139027#(<= ULTIMATE.start_main_~i~5 160), 139024#(<= ULTIMATE.start_main_~i~5 157), 139025#(<= ULTIMATE.start_main_~i~5 158), 139030#(<= ULTIMATE.start_main_~i~5 163), 139031#(<= ULTIMATE.start_main_~i~5 164), 139028#(<= ULTIMATE.start_main_~i~5 161), 139029#(<= ULTIMATE.start_main_~i~5 162), 139034#(<= ULTIMATE.start_main_~i~5 167), 139035#(<= ULTIMATE.start_main_~i~5 168), 139032#(<= ULTIMATE.start_main_~i~5 165), 139033#(<= ULTIMATE.start_main_~i~5 166), 139038#(<= ULTIMATE.start_main_~i~5 171), 139036#(<= ULTIMATE.start_main_~i~5 169), 139037#(<= ULTIMATE.start_main_~i~5 170), 138866#false, 138867#(<= ULTIMATE.start_main_~i~5 0), 138865#true, 138870#(<= ULTIMATE.start_main_~i~5 3), 138871#(<= ULTIMATE.start_main_~i~5 4), 138868#(<= ULTIMATE.start_main_~i~5 1), 138869#(<= ULTIMATE.start_main_~i~5 2), 138874#(<= ULTIMATE.start_main_~i~5 7), 138875#(<= ULTIMATE.start_main_~i~5 8), 138872#(<= ULTIMATE.start_main_~i~5 5), 138873#(<= ULTIMATE.start_main_~i~5 6), 138878#(<= ULTIMATE.start_main_~i~5 11), 138879#(<= ULTIMATE.start_main_~i~5 12), 138876#(<= ULTIMATE.start_main_~i~5 9), 138877#(<= ULTIMATE.start_main_~i~5 10), 138882#(<= ULTIMATE.start_main_~i~5 15), 138883#(<= ULTIMATE.start_main_~i~5 16), 138880#(<= ULTIMATE.start_main_~i~5 13), 138881#(<= ULTIMATE.start_main_~i~5 14), 138886#(<= ULTIMATE.start_main_~i~5 19), 138887#(<= ULTIMATE.start_main_~i~5 20), 138884#(<= ULTIMATE.start_main_~i~5 17), 138885#(<= ULTIMATE.start_main_~i~5 18), 138890#(<= ULTIMATE.start_main_~i~5 23), 138891#(<= ULTIMATE.start_main_~i~5 24), 138888#(<= ULTIMATE.start_main_~i~5 21), 138889#(<= ULTIMATE.start_main_~i~5 22), 138894#(<= ULTIMATE.start_main_~i~5 27), 138895#(<= ULTIMATE.start_main_~i~5 28), 138892#(<= ULTIMATE.start_main_~i~5 25), 138893#(<= ULTIMATE.start_main_~i~5 26), 138898#(<= ULTIMATE.start_main_~i~5 31), 138899#(<= ULTIMATE.start_main_~i~5 32), 138896#(<= ULTIMATE.start_main_~i~5 29), 138897#(<= ULTIMATE.start_main_~i~5 30), 138902#(<= ULTIMATE.start_main_~i~5 35), 138903#(<= ULTIMATE.start_main_~i~5 36), 138900#(<= ULTIMATE.start_main_~i~5 33), 138901#(<= ULTIMATE.start_main_~i~5 34), 138906#(<= ULTIMATE.start_main_~i~5 39), 138907#(<= ULTIMATE.start_main_~i~5 40), 138904#(<= ULTIMATE.start_main_~i~5 37), 138905#(<= ULTIMATE.start_main_~i~5 38), 138910#(<= ULTIMATE.start_main_~i~5 43), 138911#(<= ULTIMATE.start_main_~i~5 44), 138908#(<= ULTIMATE.start_main_~i~5 41), 138909#(<= ULTIMATE.start_main_~i~5 42), 138914#(<= ULTIMATE.start_main_~i~5 47), 138915#(<= ULTIMATE.start_main_~i~5 48), 138912#(<= ULTIMATE.start_main_~i~5 45), 138913#(<= ULTIMATE.start_main_~i~5 46), 138918#(<= ULTIMATE.start_main_~i~5 51), 138919#(<= ULTIMATE.start_main_~i~5 52), 138916#(<= ULTIMATE.start_main_~i~5 49), 138917#(<= ULTIMATE.start_main_~i~5 50), 138922#(<= ULTIMATE.start_main_~i~5 55), 138923#(<= ULTIMATE.start_main_~i~5 56), 138920#(<= ULTIMATE.start_main_~i~5 53), 138921#(<= ULTIMATE.start_main_~i~5 54), 138926#(<= ULTIMATE.start_main_~i~5 59), 138927#(<= ULTIMATE.start_main_~i~5 60), 138924#(<= ULTIMATE.start_main_~i~5 57), 138925#(<= ULTIMATE.start_main_~i~5 58), 138930#(<= ULTIMATE.start_main_~i~5 63), 138931#(<= ULTIMATE.start_main_~i~5 64), 138928#(<= ULTIMATE.start_main_~i~5 61), 138929#(<= ULTIMATE.start_main_~i~5 62), 138934#(<= ULTIMATE.start_main_~i~5 67), 138935#(<= ULTIMATE.start_main_~i~5 68), 138932#(<= ULTIMATE.start_main_~i~5 65), 138933#(<= ULTIMATE.start_main_~i~5 66), 138938#(<= ULTIMATE.start_main_~i~5 71), 138939#(<= ULTIMATE.start_main_~i~5 72), 138936#(<= ULTIMATE.start_main_~i~5 69), 138937#(<= ULTIMATE.start_main_~i~5 70), 138942#(<= ULTIMATE.start_main_~i~5 75), 138943#(<= ULTIMATE.start_main_~i~5 76), 138940#(<= ULTIMATE.start_main_~i~5 73), 138941#(<= ULTIMATE.start_main_~i~5 74), 138946#(<= ULTIMATE.start_main_~i~5 79), 138947#(<= ULTIMATE.start_main_~i~5 80), 138944#(<= ULTIMATE.start_main_~i~5 77), 138945#(<= ULTIMATE.start_main_~i~5 78), 138950#(<= ULTIMATE.start_main_~i~5 83), 138951#(<= ULTIMATE.start_main_~i~5 84), 138948#(<= ULTIMATE.start_main_~i~5 81), 138949#(<= ULTIMATE.start_main_~i~5 82), 138954#(<= ULTIMATE.start_main_~i~5 87), 138955#(<= ULTIMATE.start_main_~i~5 88), 138952#(<= ULTIMATE.start_main_~i~5 85), 138953#(<= ULTIMATE.start_main_~i~5 86), 138958#(<= ULTIMATE.start_main_~i~5 91), 138959#(<= ULTIMATE.start_main_~i~5 92), 138956#(<= ULTIMATE.start_main_~i~5 89), 138957#(<= ULTIMATE.start_main_~i~5 90), 138962#(<= ULTIMATE.start_main_~i~5 95), 138963#(<= ULTIMATE.start_main_~i~5 96), 138960#(<= ULTIMATE.start_main_~i~5 93), 138961#(<= ULTIMATE.start_main_~i~5 94), 138966#(<= ULTIMATE.start_main_~i~5 99), 138967#(<= ULTIMATE.start_main_~i~5 100), 138964#(<= ULTIMATE.start_main_~i~5 97), 138965#(<= ULTIMATE.start_main_~i~5 98), 138970#(<= ULTIMATE.start_main_~i~5 103), 138971#(<= ULTIMATE.start_main_~i~5 104), 138968#(<= ULTIMATE.start_main_~i~5 101), 138969#(<= ULTIMATE.start_main_~i~5 102), 138974#(<= ULTIMATE.start_main_~i~5 107), 138975#(<= ULTIMATE.start_main_~i~5 108), 138972#(<= ULTIMATE.start_main_~i~5 105), 138973#(<= ULTIMATE.start_main_~i~5 106), 138978#(<= ULTIMATE.start_main_~i~5 111), 138979#(<= ULTIMATE.start_main_~i~5 112), 138976#(<= ULTIMATE.start_main_~i~5 109), 138977#(<= ULTIMATE.start_main_~i~5 110), 138982#(<= ULTIMATE.start_main_~i~5 115), 138983#(<= ULTIMATE.start_main_~i~5 116), 138980#(<= ULTIMATE.start_main_~i~5 113), 138981#(<= ULTIMATE.start_main_~i~5 114), 138986#(<= ULTIMATE.start_main_~i~5 119), 138987#(<= ULTIMATE.start_main_~i~5 120), 138984#(<= ULTIMATE.start_main_~i~5 117), 138985#(<= ULTIMATE.start_main_~i~5 118), 138990#(<= ULTIMATE.start_main_~i~5 123), 138991#(<= ULTIMATE.start_main_~i~5 124), 138988#(<= ULTIMATE.start_main_~i~5 121), 138989#(<= ULTIMATE.start_main_~i~5 122), 138994#(<= ULTIMATE.start_main_~i~5 127), 138995#(<= ULTIMATE.start_main_~i~5 128), 138992#(<= ULTIMATE.start_main_~i~5 125), 138993#(<= ULTIMATE.start_main_~i~5 126), 138998#(<= ULTIMATE.start_main_~i~5 131), 138999#(<= ULTIMATE.start_main_~i~5 132), 138996#(<= ULTIMATE.start_main_~i~5 129), 138997#(<= ULTIMATE.start_main_~i~5 130), 139002#(<= ULTIMATE.start_main_~i~5 135), 139003#(<= ULTIMATE.start_main_~i~5 136), 139000#(<= ULTIMATE.start_main_~i~5 133), 139001#(<= ULTIMATE.start_main_~i~5 134), 139006#(<= ULTIMATE.start_main_~i~5 139), 139007#(<= ULTIMATE.start_main_~i~5 140), 139004#(<= ULTIMATE.start_main_~i~5 137), 139005#(<= ULTIMATE.start_main_~i~5 138)] [2018-07-23 13:42:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 29412 backedges. 0 proven. 29412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:55,689 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:42:55,691 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:42:55,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:42:55,692 INFO L87 Difference]: Start difference. First operand 349 states and 350 transitions. Second operand 174 states. [2018-07-23 13:42:56,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:56,504 INFO L93 Difference]: Finished difference Result 355 states and 357 transitions. [2018-07-23 13:42:56,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:42:56,504 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 348 [2018-07-23 13:42:56,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:56,505 INFO L225 Difference]: With dead ends: 355 [2018-07-23 13:42:56,505 INFO L226 Difference]: Without dead ends: 351 [2018-07-23 13:42:56,507 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 13:42:56,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-07-23 13:42:56,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2018-07-23 13:42:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-07-23 13:42:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 352 transitions. [2018-07-23 13:42:56,511 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 352 transitions. Word has length 348 [2018-07-23 13:42:56,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:56,511 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 352 transitions. [2018-07-23 13:42:56,511 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:42:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 352 transitions. [2018-07-23 13:42:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-07-23 13:42:56,513 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:56,513 INFO L357 BasicCegarLoop]: trace histogram [173, 172, 1, 1, 1, 1, 1] [2018-07-23 13:42:56,513 INFO L414 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:56,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1084651531, now seen corresponding path program 172 times [2018-07-23 13:42:56,513 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 29756 backedges. 0 proven. 29756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:57,877 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:57,877 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:42:57,878 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:57,878 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 13:42:57,878 INFO L185 omatonBuilderFactory]: Interpolants [140546#(<= ULTIMATE.start_main_~i~5 93), 140547#(<= ULTIMATE.start_main_~i~5 94), 140544#(<= ULTIMATE.start_main_~i~5 91), 140545#(<= ULTIMATE.start_main_~i~5 92), 140550#(<= ULTIMATE.start_main_~i~5 97), 140551#(<= ULTIMATE.start_main_~i~5 98), 140548#(<= ULTIMATE.start_main_~i~5 95), 140549#(<= ULTIMATE.start_main_~i~5 96), 140554#(<= ULTIMATE.start_main_~i~5 101), 140555#(<= ULTIMATE.start_main_~i~5 102), 140552#(<= ULTIMATE.start_main_~i~5 99), 140553#(<= ULTIMATE.start_main_~i~5 100), 140558#(<= ULTIMATE.start_main_~i~5 105), 140559#(<= ULTIMATE.start_main_~i~5 106), 140556#(<= ULTIMATE.start_main_~i~5 103), 140557#(<= ULTIMATE.start_main_~i~5 104), 140562#(<= ULTIMATE.start_main_~i~5 109), 140563#(<= ULTIMATE.start_main_~i~5 110), 140560#(<= ULTIMATE.start_main_~i~5 107), 140561#(<= ULTIMATE.start_main_~i~5 108), 140566#(<= ULTIMATE.start_main_~i~5 113), 140567#(<= ULTIMATE.start_main_~i~5 114), 140564#(<= ULTIMATE.start_main_~i~5 111), 140565#(<= ULTIMATE.start_main_~i~5 112), 140570#(<= ULTIMATE.start_main_~i~5 117), 140571#(<= ULTIMATE.start_main_~i~5 118), 140568#(<= ULTIMATE.start_main_~i~5 115), 140569#(<= ULTIMATE.start_main_~i~5 116), 140574#(<= ULTIMATE.start_main_~i~5 121), 140575#(<= ULTIMATE.start_main_~i~5 122), 140572#(<= ULTIMATE.start_main_~i~5 119), 140573#(<= ULTIMATE.start_main_~i~5 120), 140578#(<= ULTIMATE.start_main_~i~5 125), 140579#(<= ULTIMATE.start_main_~i~5 126), 140576#(<= ULTIMATE.start_main_~i~5 123), 140577#(<= ULTIMATE.start_main_~i~5 124), 140582#(<= ULTIMATE.start_main_~i~5 129), 140583#(<= ULTIMATE.start_main_~i~5 130), 140580#(<= ULTIMATE.start_main_~i~5 127), 140581#(<= ULTIMATE.start_main_~i~5 128), 140586#(<= ULTIMATE.start_main_~i~5 133), 140587#(<= ULTIMATE.start_main_~i~5 134), 140584#(<= ULTIMATE.start_main_~i~5 131), 140585#(<= ULTIMATE.start_main_~i~5 132), 140590#(<= ULTIMATE.start_main_~i~5 137), 140591#(<= ULTIMATE.start_main_~i~5 138), 140588#(<= ULTIMATE.start_main_~i~5 135), 140589#(<= ULTIMATE.start_main_~i~5 136), 140594#(<= ULTIMATE.start_main_~i~5 141), 140595#(<= ULTIMATE.start_main_~i~5 142), 140592#(<= ULTIMATE.start_main_~i~5 139), 140593#(<= ULTIMATE.start_main_~i~5 140), 140598#(<= ULTIMATE.start_main_~i~5 145), 140599#(<= ULTIMATE.start_main_~i~5 146), 140596#(<= ULTIMATE.start_main_~i~5 143), 140597#(<= ULTIMATE.start_main_~i~5 144), 140602#(<= ULTIMATE.start_main_~i~5 149), 140603#(<= ULTIMATE.start_main_~i~5 150), 140600#(<= ULTIMATE.start_main_~i~5 147), 140601#(<= ULTIMATE.start_main_~i~5 148), 140606#(<= ULTIMATE.start_main_~i~5 153), 140607#(<= ULTIMATE.start_main_~i~5 154), 140604#(<= ULTIMATE.start_main_~i~5 151), 140605#(<= ULTIMATE.start_main_~i~5 152), 140610#(<= ULTIMATE.start_main_~i~5 157), 140611#(<= ULTIMATE.start_main_~i~5 158), 140608#(<= ULTIMATE.start_main_~i~5 155), 140609#(<= ULTIMATE.start_main_~i~5 156), 140614#(<= ULTIMATE.start_main_~i~5 161), 140615#(<= ULTIMATE.start_main_~i~5 162), 140612#(<= ULTIMATE.start_main_~i~5 159), 140613#(<= ULTIMATE.start_main_~i~5 160), 140618#(<= ULTIMATE.start_main_~i~5 165), 140619#(<= ULTIMATE.start_main_~i~5 166), 140616#(<= ULTIMATE.start_main_~i~5 163), 140617#(<= ULTIMATE.start_main_~i~5 164), 140622#(<= ULTIMATE.start_main_~i~5 169), 140623#(<= ULTIMATE.start_main_~i~5 170), 140620#(<= ULTIMATE.start_main_~i~5 167), 140621#(<= ULTIMATE.start_main_~i~5 168), 140624#(<= ULTIMATE.start_main_~i~5 171), 140625#(<= ULTIMATE.start_main_~i~5 172), 140451#true, 140454#(<= ULTIMATE.start_main_~i~5 1), 140455#(<= ULTIMATE.start_main_~i~5 2), 140452#false, 140453#(<= ULTIMATE.start_main_~i~5 0), 140458#(<= ULTIMATE.start_main_~i~5 5), 140459#(<= ULTIMATE.start_main_~i~5 6), 140456#(<= ULTIMATE.start_main_~i~5 3), 140457#(<= ULTIMATE.start_main_~i~5 4), 140462#(<= ULTIMATE.start_main_~i~5 9), 140463#(<= ULTIMATE.start_main_~i~5 10), 140460#(<= ULTIMATE.start_main_~i~5 7), 140461#(<= ULTIMATE.start_main_~i~5 8), 140466#(<= ULTIMATE.start_main_~i~5 13), 140467#(<= ULTIMATE.start_main_~i~5 14), 140464#(<= ULTIMATE.start_main_~i~5 11), 140465#(<= ULTIMATE.start_main_~i~5 12), 140470#(<= ULTIMATE.start_main_~i~5 17), 140471#(<= ULTIMATE.start_main_~i~5 18), 140468#(<= ULTIMATE.start_main_~i~5 15), 140469#(<= ULTIMATE.start_main_~i~5 16), 140474#(<= ULTIMATE.start_main_~i~5 21), 140475#(<= ULTIMATE.start_main_~i~5 22), 140472#(<= ULTIMATE.start_main_~i~5 19), 140473#(<= ULTIMATE.start_main_~i~5 20), 140478#(<= ULTIMATE.start_main_~i~5 25), 140479#(<= ULTIMATE.start_main_~i~5 26), 140476#(<= ULTIMATE.start_main_~i~5 23), 140477#(<= ULTIMATE.start_main_~i~5 24), 140482#(<= ULTIMATE.start_main_~i~5 29), 140483#(<= ULTIMATE.start_main_~i~5 30), 140480#(<= ULTIMATE.start_main_~i~5 27), 140481#(<= ULTIMATE.start_main_~i~5 28), 140486#(<= ULTIMATE.start_main_~i~5 33), 140487#(<= ULTIMATE.start_main_~i~5 34), 140484#(<= ULTIMATE.start_main_~i~5 31), 140485#(<= ULTIMATE.start_main_~i~5 32), 140490#(<= ULTIMATE.start_main_~i~5 37), 140491#(<= ULTIMATE.start_main_~i~5 38), 140488#(<= ULTIMATE.start_main_~i~5 35), 140489#(<= ULTIMATE.start_main_~i~5 36), 140494#(<= ULTIMATE.start_main_~i~5 41), 140495#(<= ULTIMATE.start_main_~i~5 42), 140492#(<= ULTIMATE.start_main_~i~5 39), 140493#(<= ULTIMATE.start_main_~i~5 40), 140498#(<= ULTIMATE.start_main_~i~5 45), 140499#(<= ULTIMATE.start_main_~i~5 46), 140496#(<= ULTIMATE.start_main_~i~5 43), 140497#(<= ULTIMATE.start_main_~i~5 44), 140502#(<= ULTIMATE.start_main_~i~5 49), 140503#(<= ULTIMATE.start_main_~i~5 50), 140500#(<= ULTIMATE.start_main_~i~5 47), 140501#(<= ULTIMATE.start_main_~i~5 48), 140506#(<= ULTIMATE.start_main_~i~5 53), 140507#(<= ULTIMATE.start_main_~i~5 54), 140504#(<= ULTIMATE.start_main_~i~5 51), 140505#(<= ULTIMATE.start_main_~i~5 52), 140510#(<= ULTIMATE.start_main_~i~5 57), 140511#(<= ULTIMATE.start_main_~i~5 58), 140508#(<= ULTIMATE.start_main_~i~5 55), 140509#(<= ULTIMATE.start_main_~i~5 56), 140514#(<= ULTIMATE.start_main_~i~5 61), 140515#(<= ULTIMATE.start_main_~i~5 62), 140512#(<= ULTIMATE.start_main_~i~5 59), 140513#(<= ULTIMATE.start_main_~i~5 60), 140518#(<= ULTIMATE.start_main_~i~5 65), 140519#(<= ULTIMATE.start_main_~i~5 66), 140516#(<= ULTIMATE.start_main_~i~5 63), 140517#(<= ULTIMATE.start_main_~i~5 64), 140522#(<= ULTIMATE.start_main_~i~5 69), 140523#(<= ULTIMATE.start_main_~i~5 70), 140520#(<= ULTIMATE.start_main_~i~5 67), 140521#(<= ULTIMATE.start_main_~i~5 68), 140526#(<= ULTIMATE.start_main_~i~5 73), 140527#(<= ULTIMATE.start_main_~i~5 74), 140524#(<= ULTIMATE.start_main_~i~5 71), 140525#(<= ULTIMATE.start_main_~i~5 72), 140530#(<= ULTIMATE.start_main_~i~5 77), 140531#(<= ULTIMATE.start_main_~i~5 78), 140528#(<= ULTIMATE.start_main_~i~5 75), 140529#(<= ULTIMATE.start_main_~i~5 76), 140534#(<= ULTIMATE.start_main_~i~5 81), 140535#(<= ULTIMATE.start_main_~i~5 82), 140532#(<= ULTIMATE.start_main_~i~5 79), 140533#(<= ULTIMATE.start_main_~i~5 80), 140538#(<= ULTIMATE.start_main_~i~5 85), 140539#(<= ULTIMATE.start_main_~i~5 86), 140536#(<= ULTIMATE.start_main_~i~5 83), 140537#(<= ULTIMATE.start_main_~i~5 84), 140542#(<= ULTIMATE.start_main_~i~5 89), 140543#(<= ULTIMATE.start_main_~i~5 90), 140540#(<= ULTIMATE.start_main_~i~5 87), 140541#(<= ULTIMATE.start_main_~i~5 88)] [2018-07-23 13:42:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 29756 backedges. 0 proven. 29756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:57,880 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:42:57,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:42:57,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:42:57,882 INFO L87 Difference]: Start difference. First operand 351 states and 352 transitions. Second operand 175 states. [2018-07-23 13:42:58,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:58,263 INFO L93 Difference]: Finished difference Result 357 states and 359 transitions. [2018-07-23 13:42:58,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:42:58,263 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 350 [2018-07-23 13:42:58,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:58,264 INFO L225 Difference]: With dead ends: 357 [2018-07-23 13:42:58,264 INFO L226 Difference]: Without dead ends: 353 [2018-07-23 13:42:58,265 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 13:42:58,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-07-23 13:42:58,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2018-07-23 13:42:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-07-23 13:42:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 354 transitions. [2018-07-23 13:42:58,269 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 354 transitions. Word has length 350 [2018-07-23 13:42:58,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:58,270 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 354 transitions. [2018-07-23 13:42:58,270 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:42:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 354 transitions. [2018-07-23 13:42:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-07-23 13:42:58,271 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:58,271 INFO L357 BasicCegarLoop]: trace histogram [174, 173, 1, 1, 1, 1, 1] [2018-07-23 13:42:58,271 INFO L414 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:58,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1410489849, now seen corresponding path program 173 times [2018-07-23 13:42:58,271 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30102 backedges. 0 proven. 30102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:59,538 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:59,538 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:42:59,539 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:59,539 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 13:42:59,539 INFO L185 omatonBuilderFactory]: Interpolants [142082#(<= ULTIMATE.start_main_~i~5 34), 142083#(<= ULTIMATE.start_main_~i~5 35), 142080#(<= ULTIMATE.start_main_~i~5 32), 142081#(<= ULTIMATE.start_main_~i~5 33), 142086#(<= ULTIMATE.start_main_~i~5 38), 142087#(<= ULTIMATE.start_main_~i~5 39), 142084#(<= ULTIMATE.start_main_~i~5 36), 142085#(<= ULTIMATE.start_main_~i~5 37), 142090#(<= ULTIMATE.start_main_~i~5 42), 142091#(<= ULTIMATE.start_main_~i~5 43), 142088#(<= ULTIMATE.start_main_~i~5 40), 142089#(<= ULTIMATE.start_main_~i~5 41), 142094#(<= ULTIMATE.start_main_~i~5 46), 142095#(<= ULTIMATE.start_main_~i~5 47), 142092#(<= ULTIMATE.start_main_~i~5 44), 142093#(<= ULTIMATE.start_main_~i~5 45), 142098#(<= ULTIMATE.start_main_~i~5 50), 142099#(<= ULTIMATE.start_main_~i~5 51), 142096#(<= ULTIMATE.start_main_~i~5 48), 142097#(<= ULTIMATE.start_main_~i~5 49), 142102#(<= ULTIMATE.start_main_~i~5 54), 142103#(<= ULTIMATE.start_main_~i~5 55), 142100#(<= ULTIMATE.start_main_~i~5 52), 142101#(<= ULTIMATE.start_main_~i~5 53), 142106#(<= ULTIMATE.start_main_~i~5 58), 142107#(<= ULTIMATE.start_main_~i~5 59), 142104#(<= ULTIMATE.start_main_~i~5 56), 142105#(<= ULTIMATE.start_main_~i~5 57), 142110#(<= ULTIMATE.start_main_~i~5 62), 142111#(<= ULTIMATE.start_main_~i~5 63), 142108#(<= ULTIMATE.start_main_~i~5 60), 142109#(<= ULTIMATE.start_main_~i~5 61), 142114#(<= ULTIMATE.start_main_~i~5 66), 142115#(<= ULTIMATE.start_main_~i~5 67), 142112#(<= ULTIMATE.start_main_~i~5 64), 142113#(<= ULTIMATE.start_main_~i~5 65), 142118#(<= ULTIMATE.start_main_~i~5 70), 142119#(<= ULTIMATE.start_main_~i~5 71), 142116#(<= ULTIMATE.start_main_~i~5 68), 142117#(<= ULTIMATE.start_main_~i~5 69), 142122#(<= ULTIMATE.start_main_~i~5 74), 142123#(<= ULTIMATE.start_main_~i~5 75), 142120#(<= ULTIMATE.start_main_~i~5 72), 142121#(<= ULTIMATE.start_main_~i~5 73), 142126#(<= ULTIMATE.start_main_~i~5 78), 142127#(<= ULTIMATE.start_main_~i~5 79), 142124#(<= ULTIMATE.start_main_~i~5 76), 142125#(<= ULTIMATE.start_main_~i~5 77), 142130#(<= ULTIMATE.start_main_~i~5 82), 142131#(<= ULTIMATE.start_main_~i~5 83), 142128#(<= ULTIMATE.start_main_~i~5 80), 142129#(<= ULTIMATE.start_main_~i~5 81), 142134#(<= ULTIMATE.start_main_~i~5 86), 142135#(<= ULTIMATE.start_main_~i~5 87), 142132#(<= ULTIMATE.start_main_~i~5 84), 142133#(<= ULTIMATE.start_main_~i~5 85), 142138#(<= ULTIMATE.start_main_~i~5 90), 142139#(<= ULTIMATE.start_main_~i~5 91), 142136#(<= ULTIMATE.start_main_~i~5 88), 142137#(<= ULTIMATE.start_main_~i~5 89), 142142#(<= ULTIMATE.start_main_~i~5 94), 142143#(<= ULTIMATE.start_main_~i~5 95), 142140#(<= ULTIMATE.start_main_~i~5 92), 142141#(<= ULTIMATE.start_main_~i~5 93), 142146#(<= ULTIMATE.start_main_~i~5 98), 142147#(<= ULTIMATE.start_main_~i~5 99), 142144#(<= ULTIMATE.start_main_~i~5 96), 142145#(<= ULTIMATE.start_main_~i~5 97), 142150#(<= ULTIMATE.start_main_~i~5 102), 142151#(<= ULTIMATE.start_main_~i~5 103), 142148#(<= ULTIMATE.start_main_~i~5 100), 142149#(<= ULTIMATE.start_main_~i~5 101), 142154#(<= ULTIMATE.start_main_~i~5 106), 142155#(<= ULTIMATE.start_main_~i~5 107), 142152#(<= ULTIMATE.start_main_~i~5 104), 142153#(<= ULTIMATE.start_main_~i~5 105), 142158#(<= ULTIMATE.start_main_~i~5 110), 142159#(<= ULTIMATE.start_main_~i~5 111), 142156#(<= ULTIMATE.start_main_~i~5 108), 142157#(<= ULTIMATE.start_main_~i~5 109), 142162#(<= ULTIMATE.start_main_~i~5 114), 142163#(<= ULTIMATE.start_main_~i~5 115), 142160#(<= ULTIMATE.start_main_~i~5 112), 142161#(<= ULTIMATE.start_main_~i~5 113), 142166#(<= ULTIMATE.start_main_~i~5 118), 142167#(<= ULTIMATE.start_main_~i~5 119), 142164#(<= ULTIMATE.start_main_~i~5 116), 142165#(<= ULTIMATE.start_main_~i~5 117), 142170#(<= ULTIMATE.start_main_~i~5 122), 142171#(<= ULTIMATE.start_main_~i~5 123), 142168#(<= ULTIMATE.start_main_~i~5 120), 142169#(<= ULTIMATE.start_main_~i~5 121), 142174#(<= ULTIMATE.start_main_~i~5 126), 142175#(<= ULTIMATE.start_main_~i~5 127), 142172#(<= ULTIMATE.start_main_~i~5 124), 142173#(<= ULTIMATE.start_main_~i~5 125), 142178#(<= ULTIMATE.start_main_~i~5 130), 142179#(<= ULTIMATE.start_main_~i~5 131), 142176#(<= ULTIMATE.start_main_~i~5 128), 142177#(<= ULTIMATE.start_main_~i~5 129), 142182#(<= ULTIMATE.start_main_~i~5 134), 142183#(<= ULTIMATE.start_main_~i~5 135), 142180#(<= ULTIMATE.start_main_~i~5 132), 142181#(<= ULTIMATE.start_main_~i~5 133), 142186#(<= ULTIMATE.start_main_~i~5 138), 142187#(<= ULTIMATE.start_main_~i~5 139), 142184#(<= ULTIMATE.start_main_~i~5 136), 142185#(<= ULTIMATE.start_main_~i~5 137), 142190#(<= ULTIMATE.start_main_~i~5 142), 142191#(<= ULTIMATE.start_main_~i~5 143), 142188#(<= ULTIMATE.start_main_~i~5 140), 142189#(<= ULTIMATE.start_main_~i~5 141), 142194#(<= ULTIMATE.start_main_~i~5 146), 142195#(<= ULTIMATE.start_main_~i~5 147), 142192#(<= ULTIMATE.start_main_~i~5 144), 142193#(<= ULTIMATE.start_main_~i~5 145), 142198#(<= ULTIMATE.start_main_~i~5 150), 142199#(<= ULTIMATE.start_main_~i~5 151), 142196#(<= ULTIMATE.start_main_~i~5 148), 142197#(<= ULTIMATE.start_main_~i~5 149), 142202#(<= ULTIMATE.start_main_~i~5 154), 142203#(<= ULTIMATE.start_main_~i~5 155), 142200#(<= ULTIMATE.start_main_~i~5 152), 142201#(<= ULTIMATE.start_main_~i~5 153), 142206#(<= ULTIMATE.start_main_~i~5 158), 142207#(<= ULTIMATE.start_main_~i~5 159), 142204#(<= ULTIMATE.start_main_~i~5 156), 142205#(<= ULTIMATE.start_main_~i~5 157), 142210#(<= ULTIMATE.start_main_~i~5 162), 142211#(<= ULTIMATE.start_main_~i~5 163), 142208#(<= ULTIMATE.start_main_~i~5 160), 142209#(<= ULTIMATE.start_main_~i~5 161), 142214#(<= ULTIMATE.start_main_~i~5 166), 142215#(<= ULTIMATE.start_main_~i~5 167), 142212#(<= ULTIMATE.start_main_~i~5 164), 142213#(<= ULTIMATE.start_main_~i~5 165), 142218#(<= ULTIMATE.start_main_~i~5 170), 142219#(<= ULTIMATE.start_main_~i~5 171), 142216#(<= ULTIMATE.start_main_~i~5 168), 142217#(<= ULTIMATE.start_main_~i~5 169), 142220#(<= ULTIMATE.start_main_~i~5 172), 142221#(<= ULTIMATE.start_main_~i~5 173), 142046#true, 142047#false, 142050#(<= ULTIMATE.start_main_~i~5 2), 142051#(<= ULTIMATE.start_main_~i~5 3), 142048#(<= ULTIMATE.start_main_~i~5 0), 142049#(<= ULTIMATE.start_main_~i~5 1), 142054#(<= ULTIMATE.start_main_~i~5 6), 142055#(<= ULTIMATE.start_main_~i~5 7), 142052#(<= ULTIMATE.start_main_~i~5 4), 142053#(<= ULTIMATE.start_main_~i~5 5), 142058#(<= ULTIMATE.start_main_~i~5 10), 142059#(<= ULTIMATE.start_main_~i~5 11), 142056#(<= ULTIMATE.start_main_~i~5 8), 142057#(<= ULTIMATE.start_main_~i~5 9), 142062#(<= ULTIMATE.start_main_~i~5 14), 142063#(<= ULTIMATE.start_main_~i~5 15), 142060#(<= ULTIMATE.start_main_~i~5 12), 142061#(<= ULTIMATE.start_main_~i~5 13), 142066#(<= ULTIMATE.start_main_~i~5 18), 142067#(<= ULTIMATE.start_main_~i~5 19), 142064#(<= ULTIMATE.start_main_~i~5 16), 142065#(<= ULTIMATE.start_main_~i~5 17), 142070#(<= ULTIMATE.start_main_~i~5 22), 142071#(<= ULTIMATE.start_main_~i~5 23), 142068#(<= ULTIMATE.start_main_~i~5 20), 142069#(<= ULTIMATE.start_main_~i~5 21), 142074#(<= ULTIMATE.start_main_~i~5 26), 142075#(<= ULTIMATE.start_main_~i~5 27), 142072#(<= ULTIMATE.start_main_~i~5 24), 142073#(<= ULTIMATE.start_main_~i~5 25), 142078#(<= ULTIMATE.start_main_~i~5 30), 142079#(<= ULTIMATE.start_main_~i~5 31), 142076#(<= ULTIMATE.start_main_~i~5 28), 142077#(<= ULTIMATE.start_main_~i~5 29)] [2018-07-23 13:42:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 30102 backedges. 0 proven. 30102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:59,541 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:42:59,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:42:59,545 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:42:59,545 INFO L87 Difference]: Start difference. First operand 353 states and 354 transitions. Second operand 176 states. [2018-07-23 13:43:00,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:00,779 INFO L93 Difference]: Finished difference Result 359 states and 361 transitions. [2018-07-23 13:43:00,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:43:00,779 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 352 [2018-07-23 13:43:00,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:00,780 INFO L225 Difference]: With dead ends: 359 [2018-07-23 13:43:00,780 INFO L226 Difference]: Without dead ends: 355 [2018-07-23 13:43:00,783 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 13:43:00,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-07-23 13:43:00,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2018-07-23 13:43:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-07-23 13:43:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 356 transitions. [2018-07-23 13:43:00,787 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 356 transitions. Word has length 352 [2018-07-23 13:43:00,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:00,787 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 356 transitions. [2018-07-23 13:43:00,787 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:43:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 356 transitions. [2018-07-23 13:43:00,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-07-23 13:43:00,788 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:00,788 INFO L357 BasicCegarLoop]: trace histogram [175, 174, 1, 1, 1, 1, 1] [2018-07-23 13:43:00,788 INFO L414 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:00,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1645362435, now seen corresponding path program 174 times [2018-07-23 13:43:00,789 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30450 backedges. 0 proven. 30450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:02,090 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:02,091 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:43:02,091 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:02,091 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 13:43:02,091 INFO L185 omatonBuilderFactory]: Interpolants [143650#true, 143651#false, 143654#(<= ULTIMATE.start_main_~i~5 2), 143655#(<= ULTIMATE.start_main_~i~5 3), 143652#(<= ULTIMATE.start_main_~i~5 0), 143653#(<= ULTIMATE.start_main_~i~5 1), 143658#(<= ULTIMATE.start_main_~i~5 6), 143659#(<= ULTIMATE.start_main_~i~5 7), 143656#(<= ULTIMATE.start_main_~i~5 4), 143657#(<= ULTIMATE.start_main_~i~5 5), 143662#(<= ULTIMATE.start_main_~i~5 10), 143663#(<= ULTIMATE.start_main_~i~5 11), 143660#(<= ULTIMATE.start_main_~i~5 8), 143661#(<= ULTIMATE.start_main_~i~5 9), 143666#(<= ULTIMATE.start_main_~i~5 14), 143667#(<= ULTIMATE.start_main_~i~5 15), 143664#(<= ULTIMATE.start_main_~i~5 12), 143665#(<= ULTIMATE.start_main_~i~5 13), 143670#(<= ULTIMATE.start_main_~i~5 18), 143671#(<= ULTIMATE.start_main_~i~5 19), 143668#(<= ULTIMATE.start_main_~i~5 16), 143669#(<= ULTIMATE.start_main_~i~5 17), 143674#(<= ULTIMATE.start_main_~i~5 22), 143675#(<= ULTIMATE.start_main_~i~5 23), 143672#(<= ULTIMATE.start_main_~i~5 20), 143673#(<= ULTIMATE.start_main_~i~5 21), 143678#(<= ULTIMATE.start_main_~i~5 26), 143679#(<= ULTIMATE.start_main_~i~5 27), 143676#(<= ULTIMATE.start_main_~i~5 24), 143677#(<= ULTIMATE.start_main_~i~5 25), 143682#(<= ULTIMATE.start_main_~i~5 30), 143683#(<= ULTIMATE.start_main_~i~5 31), 143680#(<= ULTIMATE.start_main_~i~5 28), 143681#(<= ULTIMATE.start_main_~i~5 29), 143686#(<= ULTIMATE.start_main_~i~5 34), 143687#(<= ULTIMATE.start_main_~i~5 35), 143684#(<= ULTIMATE.start_main_~i~5 32), 143685#(<= ULTIMATE.start_main_~i~5 33), 143690#(<= ULTIMATE.start_main_~i~5 38), 143691#(<= ULTIMATE.start_main_~i~5 39), 143688#(<= ULTIMATE.start_main_~i~5 36), 143689#(<= ULTIMATE.start_main_~i~5 37), 143694#(<= ULTIMATE.start_main_~i~5 42), 143695#(<= ULTIMATE.start_main_~i~5 43), 143692#(<= ULTIMATE.start_main_~i~5 40), 143693#(<= ULTIMATE.start_main_~i~5 41), 143698#(<= ULTIMATE.start_main_~i~5 46), 143699#(<= ULTIMATE.start_main_~i~5 47), 143696#(<= ULTIMATE.start_main_~i~5 44), 143697#(<= ULTIMATE.start_main_~i~5 45), 143702#(<= ULTIMATE.start_main_~i~5 50), 143703#(<= ULTIMATE.start_main_~i~5 51), 143700#(<= ULTIMATE.start_main_~i~5 48), 143701#(<= ULTIMATE.start_main_~i~5 49), 143706#(<= ULTIMATE.start_main_~i~5 54), 143707#(<= ULTIMATE.start_main_~i~5 55), 143704#(<= ULTIMATE.start_main_~i~5 52), 143705#(<= ULTIMATE.start_main_~i~5 53), 143710#(<= ULTIMATE.start_main_~i~5 58), 143711#(<= ULTIMATE.start_main_~i~5 59), 143708#(<= ULTIMATE.start_main_~i~5 56), 143709#(<= ULTIMATE.start_main_~i~5 57), 143714#(<= ULTIMATE.start_main_~i~5 62), 143715#(<= ULTIMATE.start_main_~i~5 63), 143712#(<= ULTIMATE.start_main_~i~5 60), 143713#(<= ULTIMATE.start_main_~i~5 61), 143718#(<= ULTIMATE.start_main_~i~5 66), 143719#(<= ULTIMATE.start_main_~i~5 67), 143716#(<= ULTIMATE.start_main_~i~5 64), 143717#(<= ULTIMATE.start_main_~i~5 65), 143722#(<= ULTIMATE.start_main_~i~5 70), 143723#(<= ULTIMATE.start_main_~i~5 71), 143720#(<= ULTIMATE.start_main_~i~5 68), 143721#(<= ULTIMATE.start_main_~i~5 69), 143726#(<= ULTIMATE.start_main_~i~5 74), 143727#(<= ULTIMATE.start_main_~i~5 75), 143724#(<= ULTIMATE.start_main_~i~5 72), 143725#(<= ULTIMATE.start_main_~i~5 73), 143730#(<= ULTIMATE.start_main_~i~5 78), 143731#(<= ULTIMATE.start_main_~i~5 79), 143728#(<= ULTIMATE.start_main_~i~5 76), 143729#(<= ULTIMATE.start_main_~i~5 77), 143734#(<= ULTIMATE.start_main_~i~5 82), 143735#(<= ULTIMATE.start_main_~i~5 83), 143732#(<= ULTIMATE.start_main_~i~5 80), 143733#(<= ULTIMATE.start_main_~i~5 81), 143738#(<= ULTIMATE.start_main_~i~5 86), 143739#(<= ULTIMATE.start_main_~i~5 87), 143736#(<= ULTIMATE.start_main_~i~5 84), 143737#(<= ULTIMATE.start_main_~i~5 85), 143742#(<= ULTIMATE.start_main_~i~5 90), 143743#(<= ULTIMATE.start_main_~i~5 91), 143740#(<= ULTIMATE.start_main_~i~5 88), 143741#(<= ULTIMATE.start_main_~i~5 89), 143746#(<= ULTIMATE.start_main_~i~5 94), 143747#(<= ULTIMATE.start_main_~i~5 95), 143744#(<= ULTIMATE.start_main_~i~5 92), 143745#(<= ULTIMATE.start_main_~i~5 93), 143750#(<= ULTIMATE.start_main_~i~5 98), 143751#(<= ULTIMATE.start_main_~i~5 99), 143748#(<= ULTIMATE.start_main_~i~5 96), 143749#(<= ULTIMATE.start_main_~i~5 97), 143754#(<= ULTIMATE.start_main_~i~5 102), 143755#(<= ULTIMATE.start_main_~i~5 103), 143752#(<= ULTIMATE.start_main_~i~5 100), 143753#(<= ULTIMATE.start_main_~i~5 101), 143758#(<= ULTIMATE.start_main_~i~5 106), 143759#(<= ULTIMATE.start_main_~i~5 107), 143756#(<= ULTIMATE.start_main_~i~5 104), 143757#(<= ULTIMATE.start_main_~i~5 105), 143762#(<= ULTIMATE.start_main_~i~5 110), 143763#(<= ULTIMATE.start_main_~i~5 111), 143760#(<= ULTIMATE.start_main_~i~5 108), 143761#(<= ULTIMATE.start_main_~i~5 109), 143766#(<= ULTIMATE.start_main_~i~5 114), 143767#(<= ULTIMATE.start_main_~i~5 115), 143764#(<= ULTIMATE.start_main_~i~5 112), 143765#(<= ULTIMATE.start_main_~i~5 113), 143770#(<= ULTIMATE.start_main_~i~5 118), 143771#(<= ULTIMATE.start_main_~i~5 119), 143768#(<= ULTIMATE.start_main_~i~5 116), 143769#(<= ULTIMATE.start_main_~i~5 117), 143774#(<= ULTIMATE.start_main_~i~5 122), 143775#(<= ULTIMATE.start_main_~i~5 123), 143772#(<= ULTIMATE.start_main_~i~5 120), 143773#(<= ULTIMATE.start_main_~i~5 121), 143778#(<= ULTIMATE.start_main_~i~5 126), 143779#(<= ULTIMATE.start_main_~i~5 127), 143776#(<= ULTIMATE.start_main_~i~5 124), 143777#(<= ULTIMATE.start_main_~i~5 125), 143782#(<= ULTIMATE.start_main_~i~5 130), 143783#(<= ULTIMATE.start_main_~i~5 131), 143780#(<= ULTIMATE.start_main_~i~5 128), 143781#(<= ULTIMATE.start_main_~i~5 129), 143786#(<= ULTIMATE.start_main_~i~5 134), 143787#(<= ULTIMATE.start_main_~i~5 135), 143784#(<= ULTIMATE.start_main_~i~5 132), 143785#(<= ULTIMATE.start_main_~i~5 133), 143790#(<= ULTIMATE.start_main_~i~5 138), 143791#(<= ULTIMATE.start_main_~i~5 139), 143788#(<= ULTIMATE.start_main_~i~5 136), 143789#(<= ULTIMATE.start_main_~i~5 137), 143794#(<= ULTIMATE.start_main_~i~5 142), 143795#(<= ULTIMATE.start_main_~i~5 143), 143792#(<= ULTIMATE.start_main_~i~5 140), 143793#(<= ULTIMATE.start_main_~i~5 141), 143798#(<= ULTIMATE.start_main_~i~5 146), 143799#(<= ULTIMATE.start_main_~i~5 147), 143796#(<= ULTIMATE.start_main_~i~5 144), 143797#(<= ULTIMATE.start_main_~i~5 145), 143802#(<= ULTIMATE.start_main_~i~5 150), 143803#(<= ULTIMATE.start_main_~i~5 151), 143800#(<= ULTIMATE.start_main_~i~5 148), 143801#(<= ULTIMATE.start_main_~i~5 149), 143806#(<= ULTIMATE.start_main_~i~5 154), 143807#(<= ULTIMATE.start_main_~i~5 155), 143804#(<= ULTIMATE.start_main_~i~5 152), 143805#(<= ULTIMATE.start_main_~i~5 153), 143810#(<= ULTIMATE.start_main_~i~5 158), 143811#(<= ULTIMATE.start_main_~i~5 159), 143808#(<= ULTIMATE.start_main_~i~5 156), 143809#(<= ULTIMATE.start_main_~i~5 157), 143814#(<= ULTIMATE.start_main_~i~5 162), 143815#(<= ULTIMATE.start_main_~i~5 163), 143812#(<= ULTIMATE.start_main_~i~5 160), 143813#(<= ULTIMATE.start_main_~i~5 161), 143818#(<= ULTIMATE.start_main_~i~5 166), 143819#(<= ULTIMATE.start_main_~i~5 167), 143816#(<= ULTIMATE.start_main_~i~5 164), 143817#(<= ULTIMATE.start_main_~i~5 165), 143822#(<= ULTIMATE.start_main_~i~5 170), 143823#(<= ULTIMATE.start_main_~i~5 171), 143820#(<= ULTIMATE.start_main_~i~5 168), 143821#(<= ULTIMATE.start_main_~i~5 169), 143826#(<= ULTIMATE.start_main_~i~5 174), 143824#(<= ULTIMATE.start_main_~i~5 172), 143825#(<= ULTIMATE.start_main_~i~5 173)] [2018-07-23 13:43:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 30450 backedges. 0 proven. 30450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:02,093 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:43:02,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:43:02,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:43:02,097 INFO L87 Difference]: Start difference. First operand 355 states and 356 transitions. Second operand 177 states. [2018-07-23 13:43:03,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:03,724 INFO L93 Difference]: Finished difference Result 361 states and 363 transitions. [2018-07-23 13:43:03,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:43:03,725 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 354 [2018-07-23 13:43:03,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:03,725 INFO L225 Difference]: With dead ends: 361 [2018-07-23 13:43:03,726 INFO L226 Difference]: Without dead ends: 357 [2018-07-23 13:43:03,728 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:43:03,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-07-23 13:43:03,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2018-07-23 13:43:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-07-23 13:43:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 358 transitions. [2018-07-23 13:43:03,732 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 358 transitions. Word has length 354 [2018-07-23 13:43:03,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:03,732 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 358 transitions. [2018-07-23 13:43:03,732 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:43:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 358 transitions. [2018-07-23 13:43:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-07-23 13:43:03,733 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:03,734 INFO L357 BasicCegarLoop]: trace histogram [176, 175, 1, 1, 1, 1, 1] [2018-07-23 13:43:03,734 INFO L414 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:03,734 INFO L82 PathProgramCache]: Analyzing trace with hash 561776895, now seen corresponding path program 175 times [2018-07-23 13:43:03,734 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:05,004 INFO L134 CoverageAnalysis]: Checked inductivity of 30800 backedges. 0 proven. 30800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:05,004 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:05,004 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:43:05,005 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:05,005 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 13:43:05,005 INFO L185 omatonBuilderFactory]: Interpolants [145410#(<= ULTIMATE.start_main_~i~5 145), 145411#(<= ULTIMATE.start_main_~i~5 146), 145408#(<= ULTIMATE.start_main_~i~5 143), 145409#(<= ULTIMATE.start_main_~i~5 144), 145414#(<= ULTIMATE.start_main_~i~5 149), 145415#(<= ULTIMATE.start_main_~i~5 150), 145412#(<= ULTIMATE.start_main_~i~5 147), 145413#(<= ULTIMATE.start_main_~i~5 148), 145418#(<= ULTIMATE.start_main_~i~5 153), 145419#(<= ULTIMATE.start_main_~i~5 154), 145416#(<= ULTIMATE.start_main_~i~5 151), 145417#(<= ULTIMATE.start_main_~i~5 152), 145422#(<= ULTIMATE.start_main_~i~5 157), 145423#(<= ULTIMATE.start_main_~i~5 158), 145420#(<= ULTIMATE.start_main_~i~5 155), 145421#(<= ULTIMATE.start_main_~i~5 156), 145426#(<= ULTIMATE.start_main_~i~5 161), 145427#(<= ULTIMATE.start_main_~i~5 162), 145424#(<= ULTIMATE.start_main_~i~5 159), 145425#(<= ULTIMATE.start_main_~i~5 160), 145430#(<= ULTIMATE.start_main_~i~5 165), 145431#(<= ULTIMATE.start_main_~i~5 166), 145428#(<= ULTIMATE.start_main_~i~5 163), 145429#(<= ULTIMATE.start_main_~i~5 164), 145434#(<= ULTIMATE.start_main_~i~5 169), 145435#(<= ULTIMATE.start_main_~i~5 170), 145432#(<= ULTIMATE.start_main_~i~5 167), 145433#(<= ULTIMATE.start_main_~i~5 168), 145438#(<= ULTIMATE.start_main_~i~5 173), 145439#(<= ULTIMATE.start_main_~i~5 174), 145436#(<= ULTIMATE.start_main_~i~5 171), 145437#(<= ULTIMATE.start_main_~i~5 172), 145440#(<= ULTIMATE.start_main_~i~5 175), 145263#true, 145266#(<= ULTIMATE.start_main_~i~5 1), 145267#(<= ULTIMATE.start_main_~i~5 2), 145264#false, 145265#(<= ULTIMATE.start_main_~i~5 0), 145270#(<= ULTIMATE.start_main_~i~5 5), 145271#(<= ULTIMATE.start_main_~i~5 6), 145268#(<= ULTIMATE.start_main_~i~5 3), 145269#(<= ULTIMATE.start_main_~i~5 4), 145274#(<= ULTIMATE.start_main_~i~5 9), 145275#(<= ULTIMATE.start_main_~i~5 10), 145272#(<= ULTIMATE.start_main_~i~5 7), 145273#(<= ULTIMATE.start_main_~i~5 8), 145278#(<= ULTIMATE.start_main_~i~5 13), 145279#(<= ULTIMATE.start_main_~i~5 14), 145276#(<= ULTIMATE.start_main_~i~5 11), 145277#(<= ULTIMATE.start_main_~i~5 12), 145282#(<= ULTIMATE.start_main_~i~5 17), 145283#(<= ULTIMATE.start_main_~i~5 18), 145280#(<= ULTIMATE.start_main_~i~5 15), 145281#(<= ULTIMATE.start_main_~i~5 16), 145286#(<= ULTIMATE.start_main_~i~5 21), 145287#(<= ULTIMATE.start_main_~i~5 22), 145284#(<= ULTIMATE.start_main_~i~5 19), 145285#(<= ULTIMATE.start_main_~i~5 20), 145290#(<= ULTIMATE.start_main_~i~5 25), 145291#(<= ULTIMATE.start_main_~i~5 26), 145288#(<= ULTIMATE.start_main_~i~5 23), 145289#(<= ULTIMATE.start_main_~i~5 24), 145294#(<= ULTIMATE.start_main_~i~5 29), 145295#(<= ULTIMATE.start_main_~i~5 30), 145292#(<= ULTIMATE.start_main_~i~5 27), 145293#(<= ULTIMATE.start_main_~i~5 28), 145298#(<= ULTIMATE.start_main_~i~5 33), 145299#(<= ULTIMATE.start_main_~i~5 34), 145296#(<= ULTIMATE.start_main_~i~5 31), 145297#(<= ULTIMATE.start_main_~i~5 32), 145302#(<= ULTIMATE.start_main_~i~5 37), 145303#(<= ULTIMATE.start_main_~i~5 38), 145300#(<= ULTIMATE.start_main_~i~5 35), 145301#(<= ULTIMATE.start_main_~i~5 36), 145306#(<= ULTIMATE.start_main_~i~5 41), 145307#(<= ULTIMATE.start_main_~i~5 42), 145304#(<= ULTIMATE.start_main_~i~5 39), 145305#(<= ULTIMATE.start_main_~i~5 40), 145310#(<= ULTIMATE.start_main_~i~5 45), 145311#(<= ULTIMATE.start_main_~i~5 46), 145308#(<= ULTIMATE.start_main_~i~5 43), 145309#(<= ULTIMATE.start_main_~i~5 44), 145314#(<= ULTIMATE.start_main_~i~5 49), 145315#(<= ULTIMATE.start_main_~i~5 50), 145312#(<= ULTIMATE.start_main_~i~5 47), 145313#(<= ULTIMATE.start_main_~i~5 48), 145318#(<= ULTIMATE.start_main_~i~5 53), 145319#(<= ULTIMATE.start_main_~i~5 54), 145316#(<= ULTIMATE.start_main_~i~5 51), 145317#(<= ULTIMATE.start_main_~i~5 52), 145322#(<= ULTIMATE.start_main_~i~5 57), 145323#(<= ULTIMATE.start_main_~i~5 58), 145320#(<= ULTIMATE.start_main_~i~5 55), 145321#(<= ULTIMATE.start_main_~i~5 56), 145326#(<= ULTIMATE.start_main_~i~5 61), 145327#(<= ULTIMATE.start_main_~i~5 62), 145324#(<= ULTIMATE.start_main_~i~5 59), 145325#(<= ULTIMATE.start_main_~i~5 60), 145330#(<= ULTIMATE.start_main_~i~5 65), 145331#(<= ULTIMATE.start_main_~i~5 66), 145328#(<= ULTIMATE.start_main_~i~5 63), 145329#(<= ULTIMATE.start_main_~i~5 64), 145334#(<= ULTIMATE.start_main_~i~5 69), 145335#(<= ULTIMATE.start_main_~i~5 70), 145332#(<= ULTIMATE.start_main_~i~5 67), 145333#(<= ULTIMATE.start_main_~i~5 68), 145338#(<= ULTIMATE.start_main_~i~5 73), 145339#(<= ULTIMATE.start_main_~i~5 74), 145336#(<= ULTIMATE.start_main_~i~5 71), 145337#(<= ULTIMATE.start_main_~i~5 72), 145342#(<= ULTIMATE.start_main_~i~5 77), 145343#(<= ULTIMATE.start_main_~i~5 78), 145340#(<= ULTIMATE.start_main_~i~5 75), 145341#(<= ULTIMATE.start_main_~i~5 76), 145346#(<= ULTIMATE.start_main_~i~5 81), 145347#(<= ULTIMATE.start_main_~i~5 82), 145344#(<= ULTIMATE.start_main_~i~5 79), 145345#(<= ULTIMATE.start_main_~i~5 80), 145350#(<= ULTIMATE.start_main_~i~5 85), 145351#(<= ULTIMATE.start_main_~i~5 86), 145348#(<= ULTIMATE.start_main_~i~5 83), 145349#(<= ULTIMATE.start_main_~i~5 84), 145354#(<= ULTIMATE.start_main_~i~5 89), 145355#(<= ULTIMATE.start_main_~i~5 90), 145352#(<= ULTIMATE.start_main_~i~5 87), 145353#(<= ULTIMATE.start_main_~i~5 88), 145358#(<= ULTIMATE.start_main_~i~5 93), 145359#(<= ULTIMATE.start_main_~i~5 94), 145356#(<= ULTIMATE.start_main_~i~5 91), 145357#(<= ULTIMATE.start_main_~i~5 92), 145362#(<= ULTIMATE.start_main_~i~5 97), 145363#(<= ULTIMATE.start_main_~i~5 98), 145360#(<= ULTIMATE.start_main_~i~5 95), 145361#(<= ULTIMATE.start_main_~i~5 96), 145366#(<= ULTIMATE.start_main_~i~5 101), 145367#(<= ULTIMATE.start_main_~i~5 102), 145364#(<= ULTIMATE.start_main_~i~5 99), 145365#(<= ULTIMATE.start_main_~i~5 100), 145370#(<= ULTIMATE.start_main_~i~5 105), 145371#(<= ULTIMATE.start_main_~i~5 106), 145368#(<= ULTIMATE.start_main_~i~5 103), 145369#(<= ULTIMATE.start_main_~i~5 104), 145374#(<= ULTIMATE.start_main_~i~5 109), 145375#(<= ULTIMATE.start_main_~i~5 110), 145372#(<= ULTIMATE.start_main_~i~5 107), 145373#(<= ULTIMATE.start_main_~i~5 108), 145378#(<= ULTIMATE.start_main_~i~5 113), 145379#(<= ULTIMATE.start_main_~i~5 114), 145376#(<= ULTIMATE.start_main_~i~5 111), 145377#(<= ULTIMATE.start_main_~i~5 112), 145382#(<= ULTIMATE.start_main_~i~5 117), 145383#(<= ULTIMATE.start_main_~i~5 118), 145380#(<= ULTIMATE.start_main_~i~5 115), 145381#(<= ULTIMATE.start_main_~i~5 116), 145386#(<= ULTIMATE.start_main_~i~5 121), 145387#(<= ULTIMATE.start_main_~i~5 122), 145384#(<= ULTIMATE.start_main_~i~5 119), 145385#(<= ULTIMATE.start_main_~i~5 120), 145390#(<= ULTIMATE.start_main_~i~5 125), 145391#(<= ULTIMATE.start_main_~i~5 126), 145388#(<= ULTIMATE.start_main_~i~5 123), 145389#(<= ULTIMATE.start_main_~i~5 124), 145394#(<= ULTIMATE.start_main_~i~5 129), 145395#(<= ULTIMATE.start_main_~i~5 130), 145392#(<= ULTIMATE.start_main_~i~5 127), 145393#(<= ULTIMATE.start_main_~i~5 128), 145398#(<= ULTIMATE.start_main_~i~5 133), 145399#(<= ULTIMATE.start_main_~i~5 134), 145396#(<= ULTIMATE.start_main_~i~5 131), 145397#(<= ULTIMATE.start_main_~i~5 132), 145402#(<= ULTIMATE.start_main_~i~5 137), 145403#(<= ULTIMATE.start_main_~i~5 138), 145400#(<= ULTIMATE.start_main_~i~5 135), 145401#(<= ULTIMATE.start_main_~i~5 136), 145406#(<= ULTIMATE.start_main_~i~5 141), 145407#(<= ULTIMATE.start_main_~i~5 142), 145404#(<= ULTIMATE.start_main_~i~5 139), 145405#(<= ULTIMATE.start_main_~i~5 140)] [2018-07-23 13:43:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 30800 backedges. 0 proven. 30800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:05,007 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:43:05,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:43:05,010 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:43:05,010 INFO L87 Difference]: Start difference. First operand 357 states and 358 transitions. Second operand 178 states. [2018-07-23 13:43:05,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:05,883 INFO L93 Difference]: Finished difference Result 363 states and 365 transitions. [2018-07-23 13:43:05,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:43:05,883 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 356 [2018-07-23 13:43:05,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:05,884 INFO L225 Difference]: With dead ends: 363 [2018-07-23 13:43:05,884 INFO L226 Difference]: Without dead ends: 359 [2018-07-23 13:43:05,886 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:43:05,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-07-23 13:43:05,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-07-23 13:43:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-07-23 13:43:05,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 360 transitions. [2018-07-23 13:43:05,890 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 360 transitions. Word has length 356 [2018-07-23 13:43:05,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:05,890 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 360 transitions. [2018-07-23 13:43:05,890 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:43:05,890 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 360 transitions. [2018-07-23 13:43:05,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-07-23 13:43:05,891 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:05,891 INFO L357 BasicCegarLoop]: trace histogram [177, 176, 1, 1, 1, 1, 1] [2018-07-23 13:43:05,891 INFO L414 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:05,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1381841413, now seen corresponding path program 176 times [2018-07-23 13:43:05,892 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 31152 backedges. 0 proven. 31152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:07,277 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:07,277 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:43:07,277 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:07,277 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 13:43:07,278 INFO L185 omatonBuilderFactory]: Interpolants [146946#(<= ULTIMATE.start_main_~i~5 59), 146947#(<= ULTIMATE.start_main_~i~5 60), 146944#(<= ULTIMATE.start_main_~i~5 57), 146945#(<= ULTIMATE.start_main_~i~5 58), 146950#(<= ULTIMATE.start_main_~i~5 63), 146951#(<= ULTIMATE.start_main_~i~5 64), 146948#(<= ULTIMATE.start_main_~i~5 61), 146949#(<= ULTIMATE.start_main_~i~5 62), 146954#(<= ULTIMATE.start_main_~i~5 67), 146955#(<= ULTIMATE.start_main_~i~5 68), 146952#(<= ULTIMATE.start_main_~i~5 65), 146953#(<= ULTIMATE.start_main_~i~5 66), 146958#(<= ULTIMATE.start_main_~i~5 71), 146959#(<= ULTIMATE.start_main_~i~5 72), 146956#(<= ULTIMATE.start_main_~i~5 69), 146957#(<= ULTIMATE.start_main_~i~5 70), 146962#(<= ULTIMATE.start_main_~i~5 75), 146963#(<= ULTIMATE.start_main_~i~5 76), 146960#(<= ULTIMATE.start_main_~i~5 73), 146961#(<= ULTIMATE.start_main_~i~5 74), 146966#(<= ULTIMATE.start_main_~i~5 79), 146967#(<= ULTIMATE.start_main_~i~5 80), 146964#(<= ULTIMATE.start_main_~i~5 77), 146965#(<= ULTIMATE.start_main_~i~5 78), 146970#(<= ULTIMATE.start_main_~i~5 83), 146971#(<= ULTIMATE.start_main_~i~5 84), 146968#(<= ULTIMATE.start_main_~i~5 81), 146969#(<= ULTIMATE.start_main_~i~5 82), 146974#(<= ULTIMATE.start_main_~i~5 87), 146975#(<= ULTIMATE.start_main_~i~5 88), 146972#(<= ULTIMATE.start_main_~i~5 85), 146973#(<= ULTIMATE.start_main_~i~5 86), 146978#(<= ULTIMATE.start_main_~i~5 91), 146979#(<= ULTIMATE.start_main_~i~5 92), 146976#(<= ULTIMATE.start_main_~i~5 89), 146977#(<= ULTIMATE.start_main_~i~5 90), 146982#(<= ULTIMATE.start_main_~i~5 95), 146983#(<= ULTIMATE.start_main_~i~5 96), 146980#(<= ULTIMATE.start_main_~i~5 93), 146981#(<= ULTIMATE.start_main_~i~5 94), 146986#(<= ULTIMATE.start_main_~i~5 99), 146987#(<= ULTIMATE.start_main_~i~5 100), 146984#(<= ULTIMATE.start_main_~i~5 97), 146985#(<= ULTIMATE.start_main_~i~5 98), 146990#(<= ULTIMATE.start_main_~i~5 103), 146991#(<= ULTIMATE.start_main_~i~5 104), 146988#(<= ULTIMATE.start_main_~i~5 101), 146989#(<= ULTIMATE.start_main_~i~5 102), 146994#(<= ULTIMATE.start_main_~i~5 107), 146995#(<= ULTIMATE.start_main_~i~5 108), 146992#(<= ULTIMATE.start_main_~i~5 105), 146993#(<= ULTIMATE.start_main_~i~5 106), 146998#(<= ULTIMATE.start_main_~i~5 111), 146999#(<= ULTIMATE.start_main_~i~5 112), 146996#(<= ULTIMATE.start_main_~i~5 109), 146997#(<= ULTIMATE.start_main_~i~5 110), 147002#(<= ULTIMATE.start_main_~i~5 115), 147003#(<= ULTIMATE.start_main_~i~5 116), 147000#(<= ULTIMATE.start_main_~i~5 113), 147001#(<= ULTIMATE.start_main_~i~5 114), 147006#(<= ULTIMATE.start_main_~i~5 119), 147007#(<= ULTIMATE.start_main_~i~5 120), 147004#(<= ULTIMATE.start_main_~i~5 117), 147005#(<= ULTIMATE.start_main_~i~5 118), 147010#(<= ULTIMATE.start_main_~i~5 123), 147011#(<= ULTIMATE.start_main_~i~5 124), 147008#(<= ULTIMATE.start_main_~i~5 121), 147009#(<= ULTIMATE.start_main_~i~5 122), 147014#(<= ULTIMATE.start_main_~i~5 127), 147015#(<= ULTIMATE.start_main_~i~5 128), 147012#(<= ULTIMATE.start_main_~i~5 125), 147013#(<= ULTIMATE.start_main_~i~5 126), 147018#(<= ULTIMATE.start_main_~i~5 131), 147019#(<= ULTIMATE.start_main_~i~5 132), 147016#(<= ULTIMATE.start_main_~i~5 129), 147017#(<= ULTIMATE.start_main_~i~5 130), 147022#(<= ULTIMATE.start_main_~i~5 135), 147023#(<= ULTIMATE.start_main_~i~5 136), 147020#(<= ULTIMATE.start_main_~i~5 133), 147021#(<= ULTIMATE.start_main_~i~5 134), 147026#(<= ULTIMATE.start_main_~i~5 139), 147027#(<= ULTIMATE.start_main_~i~5 140), 147024#(<= ULTIMATE.start_main_~i~5 137), 147025#(<= ULTIMATE.start_main_~i~5 138), 147030#(<= ULTIMATE.start_main_~i~5 143), 147031#(<= ULTIMATE.start_main_~i~5 144), 147028#(<= ULTIMATE.start_main_~i~5 141), 147029#(<= ULTIMATE.start_main_~i~5 142), 147034#(<= ULTIMATE.start_main_~i~5 147), 147035#(<= ULTIMATE.start_main_~i~5 148), 147032#(<= ULTIMATE.start_main_~i~5 145), 147033#(<= ULTIMATE.start_main_~i~5 146), 147038#(<= ULTIMATE.start_main_~i~5 151), 147039#(<= ULTIMATE.start_main_~i~5 152), 147036#(<= ULTIMATE.start_main_~i~5 149), 147037#(<= ULTIMATE.start_main_~i~5 150), 147042#(<= ULTIMATE.start_main_~i~5 155), 147043#(<= ULTIMATE.start_main_~i~5 156), 147040#(<= ULTIMATE.start_main_~i~5 153), 147041#(<= ULTIMATE.start_main_~i~5 154), 147046#(<= ULTIMATE.start_main_~i~5 159), 147047#(<= ULTIMATE.start_main_~i~5 160), 147044#(<= ULTIMATE.start_main_~i~5 157), 147045#(<= ULTIMATE.start_main_~i~5 158), 147050#(<= ULTIMATE.start_main_~i~5 163), 147051#(<= ULTIMATE.start_main_~i~5 164), 147048#(<= ULTIMATE.start_main_~i~5 161), 147049#(<= ULTIMATE.start_main_~i~5 162), 147054#(<= ULTIMATE.start_main_~i~5 167), 147055#(<= ULTIMATE.start_main_~i~5 168), 147052#(<= ULTIMATE.start_main_~i~5 165), 147053#(<= ULTIMATE.start_main_~i~5 166), 147058#(<= ULTIMATE.start_main_~i~5 171), 147059#(<= ULTIMATE.start_main_~i~5 172), 147056#(<= ULTIMATE.start_main_~i~5 169), 147057#(<= ULTIMATE.start_main_~i~5 170), 147062#(<= ULTIMATE.start_main_~i~5 175), 147063#(<= ULTIMATE.start_main_~i~5 176), 147060#(<= ULTIMATE.start_main_~i~5 173), 147061#(<= ULTIMATE.start_main_~i~5 174), 146886#false, 146887#(<= ULTIMATE.start_main_~i~5 0), 146885#true, 146890#(<= ULTIMATE.start_main_~i~5 3), 146891#(<= ULTIMATE.start_main_~i~5 4), 146888#(<= ULTIMATE.start_main_~i~5 1), 146889#(<= ULTIMATE.start_main_~i~5 2), 146894#(<= ULTIMATE.start_main_~i~5 7), 146895#(<= ULTIMATE.start_main_~i~5 8), 146892#(<= ULTIMATE.start_main_~i~5 5), 146893#(<= ULTIMATE.start_main_~i~5 6), 146898#(<= ULTIMATE.start_main_~i~5 11), 146899#(<= ULTIMATE.start_main_~i~5 12), 146896#(<= ULTIMATE.start_main_~i~5 9), 146897#(<= ULTIMATE.start_main_~i~5 10), 146902#(<= ULTIMATE.start_main_~i~5 15), 146903#(<= ULTIMATE.start_main_~i~5 16), 146900#(<= ULTIMATE.start_main_~i~5 13), 146901#(<= ULTIMATE.start_main_~i~5 14), 146906#(<= ULTIMATE.start_main_~i~5 19), 146907#(<= ULTIMATE.start_main_~i~5 20), 146904#(<= ULTIMATE.start_main_~i~5 17), 146905#(<= ULTIMATE.start_main_~i~5 18), 146910#(<= ULTIMATE.start_main_~i~5 23), 146911#(<= ULTIMATE.start_main_~i~5 24), 146908#(<= ULTIMATE.start_main_~i~5 21), 146909#(<= ULTIMATE.start_main_~i~5 22), 146914#(<= ULTIMATE.start_main_~i~5 27), 146915#(<= ULTIMATE.start_main_~i~5 28), 146912#(<= ULTIMATE.start_main_~i~5 25), 146913#(<= ULTIMATE.start_main_~i~5 26), 146918#(<= ULTIMATE.start_main_~i~5 31), 146919#(<= ULTIMATE.start_main_~i~5 32), 146916#(<= ULTIMATE.start_main_~i~5 29), 146917#(<= ULTIMATE.start_main_~i~5 30), 146922#(<= ULTIMATE.start_main_~i~5 35), 146923#(<= ULTIMATE.start_main_~i~5 36), 146920#(<= ULTIMATE.start_main_~i~5 33), 146921#(<= ULTIMATE.start_main_~i~5 34), 146926#(<= ULTIMATE.start_main_~i~5 39), 146927#(<= ULTIMATE.start_main_~i~5 40), 146924#(<= ULTIMATE.start_main_~i~5 37), 146925#(<= ULTIMATE.start_main_~i~5 38), 146930#(<= ULTIMATE.start_main_~i~5 43), 146931#(<= ULTIMATE.start_main_~i~5 44), 146928#(<= ULTIMATE.start_main_~i~5 41), 146929#(<= ULTIMATE.start_main_~i~5 42), 146934#(<= ULTIMATE.start_main_~i~5 47), 146935#(<= ULTIMATE.start_main_~i~5 48), 146932#(<= ULTIMATE.start_main_~i~5 45), 146933#(<= ULTIMATE.start_main_~i~5 46), 146938#(<= ULTIMATE.start_main_~i~5 51), 146939#(<= ULTIMATE.start_main_~i~5 52), 146936#(<= ULTIMATE.start_main_~i~5 49), 146937#(<= ULTIMATE.start_main_~i~5 50), 146942#(<= ULTIMATE.start_main_~i~5 55), 146943#(<= ULTIMATE.start_main_~i~5 56), 146940#(<= ULTIMATE.start_main_~i~5 53), 146941#(<= ULTIMATE.start_main_~i~5 54)] [2018-07-23 13:43:07,279 INFO L134 CoverageAnalysis]: Checked inductivity of 31152 backedges. 0 proven. 31152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:07,280 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:43:07,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:43:07,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:43:07,284 INFO L87 Difference]: Start difference. First operand 359 states and 360 transitions. Second operand 179 states. [2018-07-23 13:43:08,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:08,094 INFO L93 Difference]: Finished difference Result 365 states and 367 transitions. [2018-07-23 13:43:08,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:43:08,095 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 358 [2018-07-23 13:43:08,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:08,095 INFO L225 Difference]: With dead ends: 365 [2018-07-23 13:43:08,095 INFO L226 Difference]: Without dead ends: 361 [2018-07-23 13:43:08,097 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:43:08,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-07-23 13:43:08,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-07-23 13:43:08,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-07-23 13:43:08,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 362 transitions. [2018-07-23 13:43:08,101 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 362 transitions. Word has length 358 [2018-07-23 13:43:08,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:08,101 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 362 transitions. [2018-07-23 13:43:08,102 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:43:08,102 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 362 transitions. [2018-07-23 13:43:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-07-23 13:43:08,103 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:08,103 INFO L357 BasicCegarLoop]: trace histogram [178, 177, 1, 1, 1, 1, 1] [2018-07-23 13:43:08,103 INFO L414 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:08,103 INFO L82 PathProgramCache]: Analyzing trace with hash -888261641, now seen corresponding path program 177 times [2018-07-23 13:43:08,103 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,425 INFO L134 CoverageAnalysis]: Checked inductivity of 31506 backedges. 0 proven. 31506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,426 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,426 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:43:09,426 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,426 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 13:43:09,427 INFO L185 omatonBuilderFactory]: Interpolants [148518#(<= ULTIMATE.start_main_~i~5 0), 148519#(<= ULTIMATE.start_main_~i~5 1), 148516#true, 148517#false, 148522#(<= ULTIMATE.start_main_~i~5 4), 148523#(<= ULTIMATE.start_main_~i~5 5), 148520#(<= ULTIMATE.start_main_~i~5 2), 148521#(<= ULTIMATE.start_main_~i~5 3), 148526#(<= ULTIMATE.start_main_~i~5 8), 148527#(<= ULTIMATE.start_main_~i~5 9), 148524#(<= ULTIMATE.start_main_~i~5 6), 148525#(<= ULTIMATE.start_main_~i~5 7), 148530#(<= ULTIMATE.start_main_~i~5 12), 148531#(<= ULTIMATE.start_main_~i~5 13), 148528#(<= ULTIMATE.start_main_~i~5 10), 148529#(<= ULTIMATE.start_main_~i~5 11), 148534#(<= ULTIMATE.start_main_~i~5 16), 148535#(<= ULTIMATE.start_main_~i~5 17), 148532#(<= ULTIMATE.start_main_~i~5 14), 148533#(<= ULTIMATE.start_main_~i~5 15), 148538#(<= ULTIMATE.start_main_~i~5 20), 148539#(<= ULTIMATE.start_main_~i~5 21), 148536#(<= ULTIMATE.start_main_~i~5 18), 148537#(<= ULTIMATE.start_main_~i~5 19), 148542#(<= ULTIMATE.start_main_~i~5 24), 148543#(<= ULTIMATE.start_main_~i~5 25), 148540#(<= ULTIMATE.start_main_~i~5 22), 148541#(<= ULTIMATE.start_main_~i~5 23), 148546#(<= ULTIMATE.start_main_~i~5 28), 148547#(<= ULTIMATE.start_main_~i~5 29), 148544#(<= ULTIMATE.start_main_~i~5 26), 148545#(<= ULTIMATE.start_main_~i~5 27), 148550#(<= ULTIMATE.start_main_~i~5 32), 148551#(<= ULTIMATE.start_main_~i~5 33), 148548#(<= ULTIMATE.start_main_~i~5 30), 148549#(<= ULTIMATE.start_main_~i~5 31), 148554#(<= ULTIMATE.start_main_~i~5 36), 148555#(<= ULTIMATE.start_main_~i~5 37), 148552#(<= ULTIMATE.start_main_~i~5 34), 148553#(<= ULTIMATE.start_main_~i~5 35), 148558#(<= ULTIMATE.start_main_~i~5 40), 148559#(<= ULTIMATE.start_main_~i~5 41), 148556#(<= ULTIMATE.start_main_~i~5 38), 148557#(<= ULTIMATE.start_main_~i~5 39), 148562#(<= ULTIMATE.start_main_~i~5 44), 148563#(<= ULTIMATE.start_main_~i~5 45), 148560#(<= ULTIMATE.start_main_~i~5 42), 148561#(<= ULTIMATE.start_main_~i~5 43), 148566#(<= ULTIMATE.start_main_~i~5 48), 148567#(<= ULTIMATE.start_main_~i~5 49), 148564#(<= ULTIMATE.start_main_~i~5 46), 148565#(<= ULTIMATE.start_main_~i~5 47), 148570#(<= ULTIMATE.start_main_~i~5 52), 148571#(<= ULTIMATE.start_main_~i~5 53), 148568#(<= ULTIMATE.start_main_~i~5 50), 148569#(<= ULTIMATE.start_main_~i~5 51), 148574#(<= ULTIMATE.start_main_~i~5 56), 148575#(<= ULTIMATE.start_main_~i~5 57), 148572#(<= ULTIMATE.start_main_~i~5 54), 148573#(<= ULTIMATE.start_main_~i~5 55), 148578#(<= ULTIMATE.start_main_~i~5 60), 148579#(<= ULTIMATE.start_main_~i~5 61), 148576#(<= ULTIMATE.start_main_~i~5 58), 148577#(<= ULTIMATE.start_main_~i~5 59), 148582#(<= ULTIMATE.start_main_~i~5 64), 148583#(<= ULTIMATE.start_main_~i~5 65), 148580#(<= ULTIMATE.start_main_~i~5 62), 148581#(<= ULTIMATE.start_main_~i~5 63), 148586#(<= ULTIMATE.start_main_~i~5 68), 148587#(<= ULTIMATE.start_main_~i~5 69), 148584#(<= ULTIMATE.start_main_~i~5 66), 148585#(<= ULTIMATE.start_main_~i~5 67), 148590#(<= ULTIMATE.start_main_~i~5 72), 148591#(<= ULTIMATE.start_main_~i~5 73), 148588#(<= ULTIMATE.start_main_~i~5 70), 148589#(<= ULTIMATE.start_main_~i~5 71), 148594#(<= ULTIMATE.start_main_~i~5 76), 148595#(<= ULTIMATE.start_main_~i~5 77), 148592#(<= ULTIMATE.start_main_~i~5 74), 148593#(<= ULTIMATE.start_main_~i~5 75), 148598#(<= ULTIMATE.start_main_~i~5 80), 148599#(<= ULTIMATE.start_main_~i~5 81), 148596#(<= ULTIMATE.start_main_~i~5 78), 148597#(<= ULTIMATE.start_main_~i~5 79), 148602#(<= ULTIMATE.start_main_~i~5 84), 148603#(<= ULTIMATE.start_main_~i~5 85), 148600#(<= ULTIMATE.start_main_~i~5 82), 148601#(<= ULTIMATE.start_main_~i~5 83), 148606#(<= ULTIMATE.start_main_~i~5 88), 148607#(<= ULTIMATE.start_main_~i~5 89), 148604#(<= ULTIMATE.start_main_~i~5 86), 148605#(<= ULTIMATE.start_main_~i~5 87), 148610#(<= ULTIMATE.start_main_~i~5 92), 148611#(<= ULTIMATE.start_main_~i~5 93), 148608#(<= ULTIMATE.start_main_~i~5 90), 148609#(<= ULTIMATE.start_main_~i~5 91), 148614#(<= ULTIMATE.start_main_~i~5 96), 148615#(<= ULTIMATE.start_main_~i~5 97), 148612#(<= ULTIMATE.start_main_~i~5 94), 148613#(<= ULTIMATE.start_main_~i~5 95), 148618#(<= ULTIMATE.start_main_~i~5 100), 148619#(<= ULTIMATE.start_main_~i~5 101), 148616#(<= ULTIMATE.start_main_~i~5 98), 148617#(<= ULTIMATE.start_main_~i~5 99), 148622#(<= ULTIMATE.start_main_~i~5 104), 148623#(<= ULTIMATE.start_main_~i~5 105), 148620#(<= ULTIMATE.start_main_~i~5 102), 148621#(<= ULTIMATE.start_main_~i~5 103), 148626#(<= ULTIMATE.start_main_~i~5 108), 148627#(<= ULTIMATE.start_main_~i~5 109), 148624#(<= ULTIMATE.start_main_~i~5 106), 148625#(<= ULTIMATE.start_main_~i~5 107), 148630#(<= ULTIMATE.start_main_~i~5 112), 148631#(<= ULTIMATE.start_main_~i~5 113), 148628#(<= ULTIMATE.start_main_~i~5 110), 148629#(<= ULTIMATE.start_main_~i~5 111), 148634#(<= ULTIMATE.start_main_~i~5 116), 148635#(<= ULTIMATE.start_main_~i~5 117), 148632#(<= ULTIMATE.start_main_~i~5 114), 148633#(<= ULTIMATE.start_main_~i~5 115), 148638#(<= ULTIMATE.start_main_~i~5 120), 148639#(<= ULTIMATE.start_main_~i~5 121), 148636#(<= ULTIMATE.start_main_~i~5 118), 148637#(<= ULTIMATE.start_main_~i~5 119), 148642#(<= ULTIMATE.start_main_~i~5 124), 148643#(<= ULTIMATE.start_main_~i~5 125), 148640#(<= ULTIMATE.start_main_~i~5 122), 148641#(<= ULTIMATE.start_main_~i~5 123), 148646#(<= ULTIMATE.start_main_~i~5 128), 148647#(<= ULTIMATE.start_main_~i~5 129), 148644#(<= ULTIMATE.start_main_~i~5 126), 148645#(<= ULTIMATE.start_main_~i~5 127), 148650#(<= ULTIMATE.start_main_~i~5 132), 148651#(<= ULTIMATE.start_main_~i~5 133), 148648#(<= ULTIMATE.start_main_~i~5 130), 148649#(<= ULTIMATE.start_main_~i~5 131), 148654#(<= ULTIMATE.start_main_~i~5 136), 148655#(<= ULTIMATE.start_main_~i~5 137), 148652#(<= ULTIMATE.start_main_~i~5 134), 148653#(<= ULTIMATE.start_main_~i~5 135), 148658#(<= ULTIMATE.start_main_~i~5 140), 148659#(<= ULTIMATE.start_main_~i~5 141), 148656#(<= ULTIMATE.start_main_~i~5 138), 148657#(<= ULTIMATE.start_main_~i~5 139), 148662#(<= ULTIMATE.start_main_~i~5 144), 148663#(<= ULTIMATE.start_main_~i~5 145), 148660#(<= ULTIMATE.start_main_~i~5 142), 148661#(<= ULTIMATE.start_main_~i~5 143), 148666#(<= ULTIMATE.start_main_~i~5 148), 148667#(<= ULTIMATE.start_main_~i~5 149), 148664#(<= ULTIMATE.start_main_~i~5 146), 148665#(<= ULTIMATE.start_main_~i~5 147), 148670#(<= ULTIMATE.start_main_~i~5 152), 148671#(<= ULTIMATE.start_main_~i~5 153), 148668#(<= ULTIMATE.start_main_~i~5 150), 148669#(<= ULTIMATE.start_main_~i~5 151), 148674#(<= ULTIMATE.start_main_~i~5 156), 148675#(<= ULTIMATE.start_main_~i~5 157), 148672#(<= ULTIMATE.start_main_~i~5 154), 148673#(<= ULTIMATE.start_main_~i~5 155), 148678#(<= ULTIMATE.start_main_~i~5 160), 148679#(<= ULTIMATE.start_main_~i~5 161), 148676#(<= ULTIMATE.start_main_~i~5 158), 148677#(<= ULTIMATE.start_main_~i~5 159), 148682#(<= ULTIMATE.start_main_~i~5 164), 148683#(<= ULTIMATE.start_main_~i~5 165), 148680#(<= ULTIMATE.start_main_~i~5 162), 148681#(<= ULTIMATE.start_main_~i~5 163), 148686#(<= ULTIMATE.start_main_~i~5 168), 148687#(<= ULTIMATE.start_main_~i~5 169), 148684#(<= ULTIMATE.start_main_~i~5 166), 148685#(<= ULTIMATE.start_main_~i~5 167), 148690#(<= ULTIMATE.start_main_~i~5 172), 148691#(<= ULTIMATE.start_main_~i~5 173), 148688#(<= ULTIMATE.start_main_~i~5 170), 148689#(<= ULTIMATE.start_main_~i~5 171), 148694#(<= ULTIMATE.start_main_~i~5 176), 148695#(<= ULTIMATE.start_main_~i~5 177), 148692#(<= ULTIMATE.start_main_~i~5 174), 148693#(<= ULTIMATE.start_main_~i~5 175)] [2018-07-23 13:43:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 31506 backedges. 0 proven. 31506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,428 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:43:09,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:43:09,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:43:09,431 INFO L87 Difference]: Start difference. First operand 361 states and 362 transitions. Second operand 180 states. [2018-07-23 13:43:11,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:11,145 INFO L93 Difference]: Finished difference Result 367 states and 369 transitions. [2018-07-23 13:43:11,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:43:11,145 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 360 [2018-07-23 13:43:11,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:11,146 INFO L225 Difference]: With dead ends: 367 [2018-07-23 13:43:11,146 INFO L226 Difference]: Without dead ends: 363 [2018-07-23 13:43:11,147 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:43:11,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-07-23 13:43:11,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2018-07-23 13:43:11,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-07-23 13:43:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 364 transitions. [2018-07-23 13:43:11,152 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 364 transitions. Word has length 360 [2018-07-23 13:43:11,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:11,152 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 364 transitions. [2018-07-23 13:43:11,152 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:43:11,152 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 364 transitions. [2018-07-23 13:43:11,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-07-23 13:43:11,153 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:11,153 INFO L357 BasicCegarLoop]: trace histogram [179, 178, 1, 1, 1, 1, 1] [2018-07-23 13:43:11,153 INFO L414 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:11,154 INFO L82 PathProgramCache]: Analyzing trace with hash 995496691, now seen corresponding path program 178 times [2018-07-23 13:43:11,154 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 31862 backedges. 0 proven. 31862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:12,544 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:12,544 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:43:12,544 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:12,544 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 13:43:12,544 INFO L185 omatonBuilderFactory]: Interpolants [150274#(<= ULTIMATE.start_main_~i~5 116), 150275#(<= ULTIMATE.start_main_~i~5 117), 150272#(<= ULTIMATE.start_main_~i~5 114), 150273#(<= ULTIMATE.start_main_~i~5 115), 150278#(<= ULTIMATE.start_main_~i~5 120), 150279#(<= ULTIMATE.start_main_~i~5 121), 150276#(<= ULTIMATE.start_main_~i~5 118), 150277#(<= ULTIMATE.start_main_~i~5 119), 150282#(<= ULTIMATE.start_main_~i~5 124), 150283#(<= ULTIMATE.start_main_~i~5 125), 150280#(<= ULTIMATE.start_main_~i~5 122), 150281#(<= ULTIMATE.start_main_~i~5 123), 150286#(<= ULTIMATE.start_main_~i~5 128), 150287#(<= ULTIMATE.start_main_~i~5 129), 150284#(<= ULTIMATE.start_main_~i~5 126), 150285#(<= ULTIMATE.start_main_~i~5 127), 150290#(<= ULTIMATE.start_main_~i~5 132), 150291#(<= ULTIMATE.start_main_~i~5 133), 150288#(<= ULTIMATE.start_main_~i~5 130), 150289#(<= ULTIMATE.start_main_~i~5 131), 150294#(<= ULTIMATE.start_main_~i~5 136), 150295#(<= ULTIMATE.start_main_~i~5 137), 150292#(<= ULTIMATE.start_main_~i~5 134), 150293#(<= ULTIMATE.start_main_~i~5 135), 150298#(<= ULTIMATE.start_main_~i~5 140), 150299#(<= ULTIMATE.start_main_~i~5 141), 150296#(<= ULTIMATE.start_main_~i~5 138), 150297#(<= ULTIMATE.start_main_~i~5 139), 150302#(<= ULTIMATE.start_main_~i~5 144), 150303#(<= ULTIMATE.start_main_~i~5 145), 150300#(<= ULTIMATE.start_main_~i~5 142), 150301#(<= ULTIMATE.start_main_~i~5 143), 150306#(<= ULTIMATE.start_main_~i~5 148), 150307#(<= ULTIMATE.start_main_~i~5 149), 150304#(<= ULTIMATE.start_main_~i~5 146), 150305#(<= ULTIMATE.start_main_~i~5 147), 150310#(<= ULTIMATE.start_main_~i~5 152), 150311#(<= ULTIMATE.start_main_~i~5 153), 150308#(<= ULTIMATE.start_main_~i~5 150), 150309#(<= ULTIMATE.start_main_~i~5 151), 150314#(<= ULTIMATE.start_main_~i~5 156), 150315#(<= ULTIMATE.start_main_~i~5 157), 150312#(<= ULTIMATE.start_main_~i~5 154), 150313#(<= ULTIMATE.start_main_~i~5 155), 150318#(<= ULTIMATE.start_main_~i~5 160), 150319#(<= ULTIMATE.start_main_~i~5 161), 150316#(<= ULTIMATE.start_main_~i~5 158), 150317#(<= ULTIMATE.start_main_~i~5 159), 150322#(<= ULTIMATE.start_main_~i~5 164), 150323#(<= ULTIMATE.start_main_~i~5 165), 150320#(<= ULTIMATE.start_main_~i~5 162), 150321#(<= ULTIMATE.start_main_~i~5 163), 150326#(<= ULTIMATE.start_main_~i~5 168), 150327#(<= ULTIMATE.start_main_~i~5 169), 150324#(<= ULTIMATE.start_main_~i~5 166), 150325#(<= ULTIMATE.start_main_~i~5 167), 150330#(<= ULTIMATE.start_main_~i~5 172), 150331#(<= ULTIMATE.start_main_~i~5 173), 150328#(<= ULTIMATE.start_main_~i~5 170), 150329#(<= ULTIMATE.start_main_~i~5 171), 150334#(<= ULTIMATE.start_main_~i~5 176), 150335#(<= ULTIMATE.start_main_~i~5 177), 150332#(<= ULTIMATE.start_main_~i~5 174), 150333#(<= ULTIMATE.start_main_~i~5 175), 150336#(<= ULTIMATE.start_main_~i~5 178), 150158#(<= ULTIMATE.start_main_~i~5 0), 150159#(<= ULTIMATE.start_main_~i~5 1), 150156#true, 150157#false, 150162#(<= ULTIMATE.start_main_~i~5 4), 150163#(<= ULTIMATE.start_main_~i~5 5), 150160#(<= ULTIMATE.start_main_~i~5 2), 150161#(<= ULTIMATE.start_main_~i~5 3), 150166#(<= ULTIMATE.start_main_~i~5 8), 150167#(<= ULTIMATE.start_main_~i~5 9), 150164#(<= ULTIMATE.start_main_~i~5 6), 150165#(<= ULTIMATE.start_main_~i~5 7), 150170#(<= ULTIMATE.start_main_~i~5 12), 150171#(<= ULTIMATE.start_main_~i~5 13), 150168#(<= ULTIMATE.start_main_~i~5 10), 150169#(<= ULTIMATE.start_main_~i~5 11), 150174#(<= ULTIMATE.start_main_~i~5 16), 150175#(<= ULTIMATE.start_main_~i~5 17), 150172#(<= ULTIMATE.start_main_~i~5 14), 150173#(<= ULTIMATE.start_main_~i~5 15), 150178#(<= ULTIMATE.start_main_~i~5 20), 150179#(<= ULTIMATE.start_main_~i~5 21), 150176#(<= ULTIMATE.start_main_~i~5 18), 150177#(<= ULTIMATE.start_main_~i~5 19), 150182#(<= ULTIMATE.start_main_~i~5 24), 150183#(<= ULTIMATE.start_main_~i~5 25), 150180#(<= ULTIMATE.start_main_~i~5 22), 150181#(<= ULTIMATE.start_main_~i~5 23), 150186#(<= ULTIMATE.start_main_~i~5 28), 150187#(<= ULTIMATE.start_main_~i~5 29), 150184#(<= ULTIMATE.start_main_~i~5 26), 150185#(<= ULTIMATE.start_main_~i~5 27), 150190#(<= ULTIMATE.start_main_~i~5 32), 150191#(<= ULTIMATE.start_main_~i~5 33), 150188#(<= ULTIMATE.start_main_~i~5 30), 150189#(<= ULTIMATE.start_main_~i~5 31), 150194#(<= ULTIMATE.start_main_~i~5 36), 150195#(<= ULTIMATE.start_main_~i~5 37), 150192#(<= ULTIMATE.start_main_~i~5 34), 150193#(<= ULTIMATE.start_main_~i~5 35), 150198#(<= ULTIMATE.start_main_~i~5 40), 150199#(<= ULTIMATE.start_main_~i~5 41), 150196#(<= ULTIMATE.start_main_~i~5 38), 150197#(<= ULTIMATE.start_main_~i~5 39), 150202#(<= ULTIMATE.start_main_~i~5 44), 150203#(<= ULTIMATE.start_main_~i~5 45), 150200#(<= ULTIMATE.start_main_~i~5 42), 150201#(<= ULTIMATE.start_main_~i~5 43), 150206#(<= ULTIMATE.start_main_~i~5 48), 150207#(<= ULTIMATE.start_main_~i~5 49), 150204#(<= ULTIMATE.start_main_~i~5 46), 150205#(<= ULTIMATE.start_main_~i~5 47), 150210#(<= ULTIMATE.start_main_~i~5 52), 150211#(<= ULTIMATE.start_main_~i~5 53), 150208#(<= ULTIMATE.start_main_~i~5 50), 150209#(<= ULTIMATE.start_main_~i~5 51), 150214#(<= ULTIMATE.start_main_~i~5 56), 150215#(<= ULTIMATE.start_main_~i~5 57), 150212#(<= ULTIMATE.start_main_~i~5 54), 150213#(<= ULTIMATE.start_main_~i~5 55), 150218#(<= ULTIMATE.start_main_~i~5 60), 150219#(<= ULTIMATE.start_main_~i~5 61), 150216#(<= ULTIMATE.start_main_~i~5 58), 150217#(<= ULTIMATE.start_main_~i~5 59), 150222#(<= ULTIMATE.start_main_~i~5 64), 150223#(<= ULTIMATE.start_main_~i~5 65), 150220#(<= ULTIMATE.start_main_~i~5 62), 150221#(<= ULTIMATE.start_main_~i~5 63), 150226#(<= ULTIMATE.start_main_~i~5 68), 150227#(<= ULTIMATE.start_main_~i~5 69), 150224#(<= ULTIMATE.start_main_~i~5 66), 150225#(<= ULTIMATE.start_main_~i~5 67), 150230#(<= ULTIMATE.start_main_~i~5 72), 150231#(<= ULTIMATE.start_main_~i~5 73), 150228#(<= ULTIMATE.start_main_~i~5 70), 150229#(<= ULTIMATE.start_main_~i~5 71), 150234#(<= ULTIMATE.start_main_~i~5 76), 150235#(<= ULTIMATE.start_main_~i~5 77), 150232#(<= ULTIMATE.start_main_~i~5 74), 150233#(<= ULTIMATE.start_main_~i~5 75), 150238#(<= ULTIMATE.start_main_~i~5 80), 150239#(<= ULTIMATE.start_main_~i~5 81), 150236#(<= ULTIMATE.start_main_~i~5 78), 150237#(<= ULTIMATE.start_main_~i~5 79), 150242#(<= ULTIMATE.start_main_~i~5 84), 150243#(<= ULTIMATE.start_main_~i~5 85), 150240#(<= ULTIMATE.start_main_~i~5 82), 150241#(<= ULTIMATE.start_main_~i~5 83), 150246#(<= ULTIMATE.start_main_~i~5 88), 150247#(<= ULTIMATE.start_main_~i~5 89), 150244#(<= ULTIMATE.start_main_~i~5 86), 150245#(<= ULTIMATE.start_main_~i~5 87), 150250#(<= ULTIMATE.start_main_~i~5 92), 150251#(<= ULTIMATE.start_main_~i~5 93), 150248#(<= ULTIMATE.start_main_~i~5 90), 150249#(<= ULTIMATE.start_main_~i~5 91), 150254#(<= ULTIMATE.start_main_~i~5 96), 150255#(<= ULTIMATE.start_main_~i~5 97), 150252#(<= ULTIMATE.start_main_~i~5 94), 150253#(<= ULTIMATE.start_main_~i~5 95), 150258#(<= ULTIMATE.start_main_~i~5 100), 150259#(<= ULTIMATE.start_main_~i~5 101), 150256#(<= ULTIMATE.start_main_~i~5 98), 150257#(<= ULTIMATE.start_main_~i~5 99), 150262#(<= ULTIMATE.start_main_~i~5 104), 150263#(<= ULTIMATE.start_main_~i~5 105), 150260#(<= ULTIMATE.start_main_~i~5 102), 150261#(<= ULTIMATE.start_main_~i~5 103), 150266#(<= ULTIMATE.start_main_~i~5 108), 150267#(<= ULTIMATE.start_main_~i~5 109), 150264#(<= ULTIMATE.start_main_~i~5 106), 150265#(<= ULTIMATE.start_main_~i~5 107), 150270#(<= ULTIMATE.start_main_~i~5 112), 150271#(<= ULTIMATE.start_main_~i~5 113), 150268#(<= ULTIMATE.start_main_~i~5 110), 150269#(<= ULTIMATE.start_main_~i~5 111)] [2018-07-23 13:43:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 31862 backedges. 0 proven. 31862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:12,546 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:43:12,548 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:43:12,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:43:12,549 INFO L87 Difference]: Start difference. First operand 363 states and 364 transitions. Second operand 181 states. [2018-07-23 13:43:13,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:13,050 INFO L93 Difference]: Finished difference Result 369 states and 371 transitions. [2018-07-23 13:43:13,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:43:13,050 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 362 [2018-07-23 13:43:13,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:13,051 INFO L225 Difference]: With dead ends: 369 [2018-07-23 13:43:13,051 INFO L226 Difference]: Without dead ends: 365 [2018-07-23 13:43:13,053 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:43:13,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-07-23 13:43:13,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2018-07-23 13:43:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-07-23 13:43:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 366 transitions. [2018-07-23 13:43:13,057 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 366 transitions. Word has length 362 [2018-07-23 13:43:13,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:13,057 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 366 transitions. [2018-07-23 13:43:13,057 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:43:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 366 transitions. [2018-07-23 13:43:13,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-07-23 13:43:13,058 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:13,059 INFO L357 BasicCegarLoop]: trace histogram [180, 179, 1, 1, 1, 1, 1] [2018-07-23 13:43:13,059 INFO L414 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:13,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1188945169, now seen corresponding path program 179 times [2018-07-23 13:43:13,059 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 32220 backedges. 0 proven. 32220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:14,583 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:14,583 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:43:14,583 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:14,583 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 13:43:14,584 INFO L185 omatonBuilderFactory]: Interpolants [151810#(<= ULTIMATE.start_main_~i~5 3), 151811#(<= ULTIMATE.start_main_~i~5 4), 151808#(<= ULTIMATE.start_main_~i~5 1), 151809#(<= ULTIMATE.start_main_~i~5 2), 151814#(<= ULTIMATE.start_main_~i~5 7), 151815#(<= ULTIMATE.start_main_~i~5 8), 151812#(<= ULTIMATE.start_main_~i~5 5), 151813#(<= ULTIMATE.start_main_~i~5 6), 151818#(<= ULTIMATE.start_main_~i~5 11), 151819#(<= ULTIMATE.start_main_~i~5 12), 151816#(<= ULTIMATE.start_main_~i~5 9), 151817#(<= ULTIMATE.start_main_~i~5 10), 151822#(<= ULTIMATE.start_main_~i~5 15), 151823#(<= ULTIMATE.start_main_~i~5 16), 151820#(<= ULTIMATE.start_main_~i~5 13), 151821#(<= ULTIMATE.start_main_~i~5 14), 151826#(<= ULTIMATE.start_main_~i~5 19), 151827#(<= ULTIMATE.start_main_~i~5 20), 151824#(<= ULTIMATE.start_main_~i~5 17), 151825#(<= ULTIMATE.start_main_~i~5 18), 151830#(<= ULTIMATE.start_main_~i~5 23), 151831#(<= ULTIMATE.start_main_~i~5 24), 151828#(<= ULTIMATE.start_main_~i~5 21), 151829#(<= ULTIMATE.start_main_~i~5 22), 151834#(<= ULTIMATE.start_main_~i~5 27), 151835#(<= ULTIMATE.start_main_~i~5 28), 151832#(<= ULTIMATE.start_main_~i~5 25), 151833#(<= ULTIMATE.start_main_~i~5 26), 151838#(<= ULTIMATE.start_main_~i~5 31), 151839#(<= ULTIMATE.start_main_~i~5 32), 151836#(<= ULTIMATE.start_main_~i~5 29), 151837#(<= ULTIMATE.start_main_~i~5 30), 151842#(<= ULTIMATE.start_main_~i~5 35), 151843#(<= ULTIMATE.start_main_~i~5 36), 151840#(<= ULTIMATE.start_main_~i~5 33), 151841#(<= ULTIMATE.start_main_~i~5 34), 151846#(<= ULTIMATE.start_main_~i~5 39), 151847#(<= ULTIMATE.start_main_~i~5 40), 151844#(<= ULTIMATE.start_main_~i~5 37), 151845#(<= ULTIMATE.start_main_~i~5 38), 151850#(<= ULTIMATE.start_main_~i~5 43), 151851#(<= ULTIMATE.start_main_~i~5 44), 151848#(<= ULTIMATE.start_main_~i~5 41), 151849#(<= ULTIMATE.start_main_~i~5 42), 151854#(<= ULTIMATE.start_main_~i~5 47), 151855#(<= ULTIMATE.start_main_~i~5 48), 151852#(<= ULTIMATE.start_main_~i~5 45), 151853#(<= ULTIMATE.start_main_~i~5 46), 151858#(<= ULTIMATE.start_main_~i~5 51), 151859#(<= ULTIMATE.start_main_~i~5 52), 151856#(<= ULTIMATE.start_main_~i~5 49), 151857#(<= ULTIMATE.start_main_~i~5 50), 151862#(<= ULTIMATE.start_main_~i~5 55), 151863#(<= ULTIMATE.start_main_~i~5 56), 151860#(<= ULTIMATE.start_main_~i~5 53), 151861#(<= ULTIMATE.start_main_~i~5 54), 151866#(<= ULTIMATE.start_main_~i~5 59), 151867#(<= ULTIMATE.start_main_~i~5 60), 151864#(<= ULTIMATE.start_main_~i~5 57), 151865#(<= ULTIMATE.start_main_~i~5 58), 151870#(<= ULTIMATE.start_main_~i~5 63), 151871#(<= ULTIMATE.start_main_~i~5 64), 151868#(<= ULTIMATE.start_main_~i~5 61), 151869#(<= ULTIMATE.start_main_~i~5 62), 151874#(<= ULTIMATE.start_main_~i~5 67), 151875#(<= ULTIMATE.start_main_~i~5 68), 151872#(<= ULTIMATE.start_main_~i~5 65), 151873#(<= ULTIMATE.start_main_~i~5 66), 151878#(<= ULTIMATE.start_main_~i~5 71), 151879#(<= ULTIMATE.start_main_~i~5 72), 151876#(<= ULTIMATE.start_main_~i~5 69), 151877#(<= ULTIMATE.start_main_~i~5 70), 151882#(<= ULTIMATE.start_main_~i~5 75), 151883#(<= ULTIMATE.start_main_~i~5 76), 151880#(<= ULTIMATE.start_main_~i~5 73), 151881#(<= ULTIMATE.start_main_~i~5 74), 151886#(<= ULTIMATE.start_main_~i~5 79), 151887#(<= ULTIMATE.start_main_~i~5 80), 151884#(<= ULTIMATE.start_main_~i~5 77), 151885#(<= ULTIMATE.start_main_~i~5 78), 151890#(<= ULTIMATE.start_main_~i~5 83), 151891#(<= ULTIMATE.start_main_~i~5 84), 151888#(<= ULTIMATE.start_main_~i~5 81), 151889#(<= ULTIMATE.start_main_~i~5 82), 151894#(<= ULTIMATE.start_main_~i~5 87), 151895#(<= ULTIMATE.start_main_~i~5 88), 151892#(<= ULTIMATE.start_main_~i~5 85), 151893#(<= ULTIMATE.start_main_~i~5 86), 151898#(<= ULTIMATE.start_main_~i~5 91), 151899#(<= ULTIMATE.start_main_~i~5 92), 151896#(<= ULTIMATE.start_main_~i~5 89), 151897#(<= ULTIMATE.start_main_~i~5 90), 151902#(<= ULTIMATE.start_main_~i~5 95), 151903#(<= ULTIMATE.start_main_~i~5 96), 151900#(<= ULTIMATE.start_main_~i~5 93), 151901#(<= ULTIMATE.start_main_~i~5 94), 151906#(<= ULTIMATE.start_main_~i~5 99), 151907#(<= ULTIMATE.start_main_~i~5 100), 151904#(<= ULTIMATE.start_main_~i~5 97), 151905#(<= ULTIMATE.start_main_~i~5 98), 151910#(<= ULTIMATE.start_main_~i~5 103), 151911#(<= ULTIMATE.start_main_~i~5 104), 151908#(<= ULTIMATE.start_main_~i~5 101), 151909#(<= ULTIMATE.start_main_~i~5 102), 151914#(<= ULTIMATE.start_main_~i~5 107), 151915#(<= ULTIMATE.start_main_~i~5 108), 151912#(<= ULTIMATE.start_main_~i~5 105), 151913#(<= ULTIMATE.start_main_~i~5 106), 151918#(<= ULTIMATE.start_main_~i~5 111), 151919#(<= ULTIMATE.start_main_~i~5 112), 151916#(<= ULTIMATE.start_main_~i~5 109), 151917#(<= ULTIMATE.start_main_~i~5 110), 151922#(<= ULTIMATE.start_main_~i~5 115), 151923#(<= ULTIMATE.start_main_~i~5 116), 151920#(<= ULTIMATE.start_main_~i~5 113), 151921#(<= ULTIMATE.start_main_~i~5 114), 151926#(<= ULTIMATE.start_main_~i~5 119), 151927#(<= ULTIMATE.start_main_~i~5 120), 151924#(<= ULTIMATE.start_main_~i~5 117), 151925#(<= ULTIMATE.start_main_~i~5 118), 151930#(<= ULTIMATE.start_main_~i~5 123), 151931#(<= ULTIMATE.start_main_~i~5 124), 151928#(<= ULTIMATE.start_main_~i~5 121), 151929#(<= ULTIMATE.start_main_~i~5 122), 151934#(<= ULTIMATE.start_main_~i~5 127), 151935#(<= ULTIMATE.start_main_~i~5 128), 151932#(<= ULTIMATE.start_main_~i~5 125), 151933#(<= ULTIMATE.start_main_~i~5 126), 151938#(<= ULTIMATE.start_main_~i~5 131), 151939#(<= ULTIMATE.start_main_~i~5 132), 151936#(<= ULTIMATE.start_main_~i~5 129), 151937#(<= ULTIMATE.start_main_~i~5 130), 151942#(<= ULTIMATE.start_main_~i~5 135), 151943#(<= ULTIMATE.start_main_~i~5 136), 151940#(<= ULTIMATE.start_main_~i~5 133), 151941#(<= ULTIMATE.start_main_~i~5 134), 151946#(<= ULTIMATE.start_main_~i~5 139), 151947#(<= ULTIMATE.start_main_~i~5 140), 151944#(<= ULTIMATE.start_main_~i~5 137), 151945#(<= ULTIMATE.start_main_~i~5 138), 151950#(<= ULTIMATE.start_main_~i~5 143), 151951#(<= ULTIMATE.start_main_~i~5 144), 151948#(<= ULTIMATE.start_main_~i~5 141), 151949#(<= ULTIMATE.start_main_~i~5 142), 151954#(<= ULTIMATE.start_main_~i~5 147), 151955#(<= ULTIMATE.start_main_~i~5 148), 151952#(<= ULTIMATE.start_main_~i~5 145), 151953#(<= ULTIMATE.start_main_~i~5 146), 151958#(<= ULTIMATE.start_main_~i~5 151), 151959#(<= ULTIMATE.start_main_~i~5 152), 151956#(<= ULTIMATE.start_main_~i~5 149), 151957#(<= ULTIMATE.start_main_~i~5 150), 151962#(<= ULTIMATE.start_main_~i~5 155), 151963#(<= ULTIMATE.start_main_~i~5 156), 151960#(<= ULTIMATE.start_main_~i~5 153), 151961#(<= ULTIMATE.start_main_~i~5 154), 151966#(<= ULTIMATE.start_main_~i~5 159), 151967#(<= ULTIMATE.start_main_~i~5 160), 151964#(<= ULTIMATE.start_main_~i~5 157), 151965#(<= ULTIMATE.start_main_~i~5 158), 151970#(<= ULTIMATE.start_main_~i~5 163), 151971#(<= ULTIMATE.start_main_~i~5 164), 151968#(<= ULTIMATE.start_main_~i~5 161), 151969#(<= ULTIMATE.start_main_~i~5 162), 151974#(<= ULTIMATE.start_main_~i~5 167), 151975#(<= ULTIMATE.start_main_~i~5 168), 151972#(<= ULTIMATE.start_main_~i~5 165), 151973#(<= ULTIMATE.start_main_~i~5 166), 151978#(<= ULTIMATE.start_main_~i~5 171), 151979#(<= ULTIMATE.start_main_~i~5 172), 151976#(<= ULTIMATE.start_main_~i~5 169), 151977#(<= ULTIMATE.start_main_~i~5 170), 151982#(<= ULTIMATE.start_main_~i~5 175), 151983#(<= ULTIMATE.start_main_~i~5 176), 151980#(<= ULTIMATE.start_main_~i~5 173), 151981#(<= ULTIMATE.start_main_~i~5 174), 151986#(<= ULTIMATE.start_main_~i~5 179), 151984#(<= ULTIMATE.start_main_~i~5 177), 151985#(<= ULTIMATE.start_main_~i~5 178), 151806#false, 151807#(<= ULTIMATE.start_main_~i~5 0), 151805#true] [2018-07-23 13:43:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 32220 backedges. 0 proven. 32220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:14,585 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:43:14,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:43:14,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:43:14,588 INFO L87 Difference]: Start difference. First operand 365 states and 366 transitions. Second operand 182 states. [2018-07-23 13:43:16,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:16,348 INFO L93 Difference]: Finished difference Result 371 states and 373 transitions. [2018-07-23 13:43:16,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:43:16,348 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 364 [2018-07-23 13:43:16,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:16,349 INFO L225 Difference]: With dead ends: 371 [2018-07-23 13:43:16,349 INFO L226 Difference]: Without dead ends: 367 [2018-07-23 13:43:16,350 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 13:43:16,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-07-23 13:43:16,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-07-23 13:43:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-07-23 13:43:16,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 368 transitions. [2018-07-23 13:43:16,354 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 368 transitions. Word has length 364 [2018-07-23 13:43:16,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:16,355 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 368 transitions. [2018-07-23 13:43:16,355 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:43:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 368 transitions. [2018-07-23 13:43:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-07-23 13:43:16,356 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:16,356 INFO L357 BasicCegarLoop]: trace histogram [181, 180, 1, 1, 1, 1, 1] [2018-07-23 13:43:16,356 INFO L414 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:16,356 INFO L82 PathProgramCache]: Analyzing trace with hash -198564885, now seen corresponding path program 180 times [2018-07-23 13:43:16,357 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 32580 backedges. 0 proven. 32580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:17,873 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:17,873 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:43:17,873 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:17,874 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 13:43:17,874 INFO L185 omatonBuilderFactory]: Interpolants [153602#(<= ULTIMATE.start_main_~i~5 137), 153603#(<= ULTIMATE.start_main_~i~5 138), 153600#(<= ULTIMATE.start_main_~i~5 135), 153601#(<= ULTIMATE.start_main_~i~5 136), 153606#(<= ULTIMATE.start_main_~i~5 141), 153607#(<= ULTIMATE.start_main_~i~5 142), 153604#(<= ULTIMATE.start_main_~i~5 139), 153605#(<= ULTIMATE.start_main_~i~5 140), 153610#(<= ULTIMATE.start_main_~i~5 145), 153611#(<= ULTIMATE.start_main_~i~5 146), 153608#(<= ULTIMATE.start_main_~i~5 143), 153609#(<= ULTIMATE.start_main_~i~5 144), 153614#(<= ULTIMATE.start_main_~i~5 149), 153615#(<= ULTIMATE.start_main_~i~5 150), 153612#(<= ULTIMATE.start_main_~i~5 147), 153613#(<= ULTIMATE.start_main_~i~5 148), 153618#(<= ULTIMATE.start_main_~i~5 153), 153619#(<= ULTIMATE.start_main_~i~5 154), 153616#(<= ULTIMATE.start_main_~i~5 151), 153617#(<= ULTIMATE.start_main_~i~5 152), 153622#(<= ULTIMATE.start_main_~i~5 157), 153623#(<= ULTIMATE.start_main_~i~5 158), 153620#(<= ULTIMATE.start_main_~i~5 155), 153621#(<= ULTIMATE.start_main_~i~5 156), 153626#(<= ULTIMATE.start_main_~i~5 161), 153627#(<= ULTIMATE.start_main_~i~5 162), 153624#(<= ULTIMATE.start_main_~i~5 159), 153625#(<= ULTIMATE.start_main_~i~5 160), 153630#(<= ULTIMATE.start_main_~i~5 165), 153631#(<= ULTIMATE.start_main_~i~5 166), 153628#(<= ULTIMATE.start_main_~i~5 163), 153629#(<= ULTIMATE.start_main_~i~5 164), 153634#(<= ULTIMATE.start_main_~i~5 169), 153635#(<= ULTIMATE.start_main_~i~5 170), 153632#(<= ULTIMATE.start_main_~i~5 167), 153633#(<= ULTIMATE.start_main_~i~5 168), 153638#(<= ULTIMATE.start_main_~i~5 173), 153639#(<= ULTIMATE.start_main_~i~5 174), 153636#(<= ULTIMATE.start_main_~i~5 171), 153637#(<= ULTIMATE.start_main_~i~5 172), 153642#(<= ULTIMATE.start_main_~i~5 177), 153643#(<= ULTIMATE.start_main_~i~5 178), 153640#(<= ULTIMATE.start_main_~i~5 175), 153641#(<= ULTIMATE.start_main_~i~5 176), 153644#(<= ULTIMATE.start_main_~i~5 179), 153645#(<= ULTIMATE.start_main_~i~5 180), 153463#true, 153466#(<= ULTIMATE.start_main_~i~5 1), 153467#(<= ULTIMATE.start_main_~i~5 2), 153464#false, 153465#(<= ULTIMATE.start_main_~i~5 0), 153470#(<= ULTIMATE.start_main_~i~5 5), 153471#(<= ULTIMATE.start_main_~i~5 6), 153468#(<= ULTIMATE.start_main_~i~5 3), 153469#(<= ULTIMATE.start_main_~i~5 4), 153474#(<= ULTIMATE.start_main_~i~5 9), 153475#(<= ULTIMATE.start_main_~i~5 10), 153472#(<= ULTIMATE.start_main_~i~5 7), 153473#(<= ULTIMATE.start_main_~i~5 8), 153478#(<= ULTIMATE.start_main_~i~5 13), 153479#(<= ULTIMATE.start_main_~i~5 14), 153476#(<= ULTIMATE.start_main_~i~5 11), 153477#(<= ULTIMATE.start_main_~i~5 12), 153482#(<= ULTIMATE.start_main_~i~5 17), 153483#(<= ULTIMATE.start_main_~i~5 18), 153480#(<= ULTIMATE.start_main_~i~5 15), 153481#(<= ULTIMATE.start_main_~i~5 16), 153486#(<= ULTIMATE.start_main_~i~5 21), 153487#(<= ULTIMATE.start_main_~i~5 22), 153484#(<= ULTIMATE.start_main_~i~5 19), 153485#(<= ULTIMATE.start_main_~i~5 20), 153490#(<= ULTIMATE.start_main_~i~5 25), 153491#(<= ULTIMATE.start_main_~i~5 26), 153488#(<= ULTIMATE.start_main_~i~5 23), 153489#(<= ULTIMATE.start_main_~i~5 24), 153494#(<= ULTIMATE.start_main_~i~5 29), 153495#(<= ULTIMATE.start_main_~i~5 30), 153492#(<= ULTIMATE.start_main_~i~5 27), 153493#(<= ULTIMATE.start_main_~i~5 28), 153498#(<= ULTIMATE.start_main_~i~5 33), 153499#(<= ULTIMATE.start_main_~i~5 34), 153496#(<= ULTIMATE.start_main_~i~5 31), 153497#(<= ULTIMATE.start_main_~i~5 32), 153502#(<= ULTIMATE.start_main_~i~5 37), 153503#(<= ULTIMATE.start_main_~i~5 38), 153500#(<= ULTIMATE.start_main_~i~5 35), 153501#(<= ULTIMATE.start_main_~i~5 36), 153506#(<= ULTIMATE.start_main_~i~5 41), 153507#(<= ULTIMATE.start_main_~i~5 42), 153504#(<= ULTIMATE.start_main_~i~5 39), 153505#(<= ULTIMATE.start_main_~i~5 40), 153510#(<= ULTIMATE.start_main_~i~5 45), 153511#(<= ULTIMATE.start_main_~i~5 46), 153508#(<= ULTIMATE.start_main_~i~5 43), 153509#(<= ULTIMATE.start_main_~i~5 44), 153514#(<= ULTIMATE.start_main_~i~5 49), 153515#(<= ULTIMATE.start_main_~i~5 50), 153512#(<= ULTIMATE.start_main_~i~5 47), 153513#(<= ULTIMATE.start_main_~i~5 48), 153518#(<= ULTIMATE.start_main_~i~5 53), 153519#(<= ULTIMATE.start_main_~i~5 54), 153516#(<= ULTIMATE.start_main_~i~5 51), 153517#(<= ULTIMATE.start_main_~i~5 52), 153522#(<= ULTIMATE.start_main_~i~5 57), 153523#(<= ULTIMATE.start_main_~i~5 58), 153520#(<= ULTIMATE.start_main_~i~5 55), 153521#(<= ULTIMATE.start_main_~i~5 56), 153526#(<= ULTIMATE.start_main_~i~5 61), 153527#(<= ULTIMATE.start_main_~i~5 62), 153524#(<= ULTIMATE.start_main_~i~5 59), 153525#(<= ULTIMATE.start_main_~i~5 60), 153530#(<= ULTIMATE.start_main_~i~5 65), 153531#(<= ULTIMATE.start_main_~i~5 66), 153528#(<= ULTIMATE.start_main_~i~5 63), 153529#(<= ULTIMATE.start_main_~i~5 64), 153534#(<= ULTIMATE.start_main_~i~5 69), 153535#(<= ULTIMATE.start_main_~i~5 70), 153532#(<= ULTIMATE.start_main_~i~5 67), 153533#(<= ULTIMATE.start_main_~i~5 68), 153538#(<= ULTIMATE.start_main_~i~5 73), 153539#(<= ULTIMATE.start_main_~i~5 74), 153536#(<= ULTIMATE.start_main_~i~5 71), 153537#(<= ULTIMATE.start_main_~i~5 72), 153542#(<= ULTIMATE.start_main_~i~5 77), 153543#(<= ULTIMATE.start_main_~i~5 78), 153540#(<= ULTIMATE.start_main_~i~5 75), 153541#(<= ULTIMATE.start_main_~i~5 76), 153546#(<= ULTIMATE.start_main_~i~5 81), 153547#(<= ULTIMATE.start_main_~i~5 82), 153544#(<= ULTIMATE.start_main_~i~5 79), 153545#(<= ULTIMATE.start_main_~i~5 80), 153550#(<= ULTIMATE.start_main_~i~5 85), 153551#(<= ULTIMATE.start_main_~i~5 86), 153548#(<= ULTIMATE.start_main_~i~5 83), 153549#(<= ULTIMATE.start_main_~i~5 84), 153554#(<= ULTIMATE.start_main_~i~5 89), 153555#(<= ULTIMATE.start_main_~i~5 90), 153552#(<= ULTIMATE.start_main_~i~5 87), 153553#(<= ULTIMATE.start_main_~i~5 88), 153558#(<= ULTIMATE.start_main_~i~5 93), 153559#(<= ULTIMATE.start_main_~i~5 94), 153556#(<= ULTIMATE.start_main_~i~5 91), 153557#(<= ULTIMATE.start_main_~i~5 92), 153562#(<= ULTIMATE.start_main_~i~5 97), 153563#(<= ULTIMATE.start_main_~i~5 98), 153560#(<= ULTIMATE.start_main_~i~5 95), 153561#(<= ULTIMATE.start_main_~i~5 96), 153566#(<= ULTIMATE.start_main_~i~5 101), 153567#(<= ULTIMATE.start_main_~i~5 102), 153564#(<= ULTIMATE.start_main_~i~5 99), 153565#(<= ULTIMATE.start_main_~i~5 100), 153570#(<= ULTIMATE.start_main_~i~5 105), 153571#(<= ULTIMATE.start_main_~i~5 106), 153568#(<= ULTIMATE.start_main_~i~5 103), 153569#(<= ULTIMATE.start_main_~i~5 104), 153574#(<= ULTIMATE.start_main_~i~5 109), 153575#(<= ULTIMATE.start_main_~i~5 110), 153572#(<= ULTIMATE.start_main_~i~5 107), 153573#(<= ULTIMATE.start_main_~i~5 108), 153578#(<= ULTIMATE.start_main_~i~5 113), 153579#(<= ULTIMATE.start_main_~i~5 114), 153576#(<= ULTIMATE.start_main_~i~5 111), 153577#(<= ULTIMATE.start_main_~i~5 112), 153582#(<= ULTIMATE.start_main_~i~5 117), 153583#(<= ULTIMATE.start_main_~i~5 118), 153580#(<= ULTIMATE.start_main_~i~5 115), 153581#(<= ULTIMATE.start_main_~i~5 116), 153586#(<= ULTIMATE.start_main_~i~5 121), 153587#(<= ULTIMATE.start_main_~i~5 122), 153584#(<= ULTIMATE.start_main_~i~5 119), 153585#(<= ULTIMATE.start_main_~i~5 120), 153590#(<= ULTIMATE.start_main_~i~5 125), 153591#(<= ULTIMATE.start_main_~i~5 126), 153588#(<= ULTIMATE.start_main_~i~5 123), 153589#(<= ULTIMATE.start_main_~i~5 124), 153594#(<= ULTIMATE.start_main_~i~5 129), 153595#(<= ULTIMATE.start_main_~i~5 130), 153592#(<= ULTIMATE.start_main_~i~5 127), 153593#(<= ULTIMATE.start_main_~i~5 128), 153598#(<= ULTIMATE.start_main_~i~5 133), 153599#(<= ULTIMATE.start_main_~i~5 134), 153596#(<= ULTIMATE.start_main_~i~5 131), 153597#(<= ULTIMATE.start_main_~i~5 132)] [2018-07-23 13:43:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32580 backedges. 0 proven. 32580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:17,875 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:43:17,878 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:43:17,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:43:17,879 INFO L87 Difference]: Start difference. First operand 367 states and 368 transitions. Second operand 183 states. [2018-07-23 13:43:18,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:18,642 INFO L93 Difference]: Finished difference Result 373 states and 375 transitions. [2018-07-23 13:43:18,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:43:18,642 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 366 [2018-07-23 13:43:18,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:18,643 INFO L225 Difference]: With dead ends: 373 [2018-07-23 13:43:18,643 INFO L226 Difference]: Without dead ends: 369 [2018-07-23 13:43:18,645 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 13:43:18,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-07-23 13:43:18,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2018-07-23 13:43:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-07-23 13:43:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 370 transitions. [2018-07-23 13:43:18,649 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 370 transitions. Word has length 366 [2018-07-23 13:43:18,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:18,649 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 370 transitions. [2018-07-23 13:43:18,649 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:43:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 370 transitions. [2018-07-23 13:43:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-07-23 13:43:18,650 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:18,651 INFO L357 BasicCegarLoop]: trace histogram [182, 181, 1, 1, 1, 1, 1] [2018-07-23 13:43:18,651 INFO L414 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:18,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1925851673, now seen corresponding path program 181 times [2018-07-23 13:43:18,651 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:20,140 INFO L134 CoverageAnalysis]: Checked inductivity of 32942 backedges. 0 proven. 32942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:20,141 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:20,141 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:43:20,141 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:20,141 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 13:43:20,142 INFO L185 omatonBuilderFactory]: Interpolants [155138#(<= ULTIMATE.start_main_~i~5 6), 155139#(<= ULTIMATE.start_main_~i~5 7), 155136#(<= ULTIMATE.start_main_~i~5 4), 155137#(<= ULTIMATE.start_main_~i~5 5), 155142#(<= ULTIMATE.start_main_~i~5 10), 155143#(<= ULTIMATE.start_main_~i~5 11), 155140#(<= ULTIMATE.start_main_~i~5 8), 155141#(<= ULTIMATE.start_main_~i~5 9), 155146#(<= ULTIMATE.start_main_~i~5 14), 155147#(<= ULTIMATE.start_main_~i~5 15), 155144#(<= ULTIMATE.start_main_~i~5 12), 155145#(<= ULTIMATE.start_main_~i~5 13), 155150#(<= ULTIMATE.start_main_~i~5 18), 155151#(<= ULTIMATE.start_main_~i~5 19), 155148#(<= ULTIMATE.start_main_~i~5 16), 155149#(<= ULTIMATE.start_main_~i~5 17), 155154#(<= ULTIMATE.start_main_~i~5 22), 155155#(<= ULTIMATE.start_main_~i~5 23), 155152#(<= ULTIMATE.start_main_~i~5 20), 155153#(<= ULTIMATE.start_main_~i~5 21), 155158#(<= ULTIMATE.start_main_~i~5 26), 155159#(<= ULTIMATE.start_main_~i~5 27), 155156#(<= ULTIMATE.start_main_~i~5 24), 155157#(<= ULTIMATE.start_main_~i~5 25), 155162#(<= ULTIMATE.start_main_~i~5 30), 155163#(<= ULTIMATE.start_main_~i~5 31), 155160#(<= ULTIMATE.start_main_~i~5 28), 155161#(<= ULTIMATE.start_main_~i~5 29), 155166#(<= ULTIMATE.start_main_~i~5 34), 155167#(<= ULTIMATE.start_main_~i~5 35), 155164#(<= ULTIMATE.start_main_~i~5 32), 155165#(<= ULTIMATE.start_main_~i~5 33), 155170#(<= ULTIMATE.start_main_~i~5 38), 155171#(<= ULTIMATE.start_main_~i~5 39), 155168#(<= ULTIMATE.start_main_~i~5 36), 155169#(<= ULTIMATE.start_main_~i~5 37), 155174#(<= ULTIMATE.start_main_~i~5 42), 155175#(<= ULTIMATE.start_main_~i~5 43), 155172#(<= ULTIMATE.start_main_~i~5 40), 155173#(<= ULTIMATE.start_main_~i~5 41), 155178#(<= ULTIMATE.start_main_~i~5 46), 155179#(<= ULTIMATE.start_main_~i~5 47), 155176#(<= ULTIMATE.start_main_~i~5 44), 155177#(<= ULTIMATE.start_main_~i~5 45), 155182#(<= ULTIMATE.start_main_~i~5 50), 155183#(<= ULTIMATE.start_main_~i~5 51), 155180#(<= ULTIMATE.start_main_~i~5 48), 155181#(<= ULTIMATE.start_main_~i~5 49), 155186#(<= ULTIMATE.start_main_~i~5 54), 155187#(<= ULTIMATE.start_main_~i~5 55), 155184#(<= ULTIMATE.start_main_~i~5 52), 155185#(<= ULTIMATE.start_main_~i~5 53), 155190#(<= ULTIMATE.start_main_~i~5 58), 155191#(<= ULTIMATE.start_main_~i~5 59), 155188#(<= ULTIMATE.start_main_~i~5 56), 155189#(<= ULTIMATE.start_main_~i~5 57), 155194#(<= ULTIMATE.start_main_~i~5 62), 155195#(<= ULTIMATE.start_main_~i~5 63), 155192#(<= ULTIMATE.start_main_~i~5 60), 155193#(<= ULTIMATE.start_main_~i~5 61), 155198#(<= ULTIMATE.start_main_~i~5 66), 155199#(<= ULTIMATE.start_main_~i~5 67), 155196#(<= ULTIMATE.start_main_~i~5 64), 155197#(<= ULTIMATE.start_main_~i~5 65), 155202#(<= ULTIMATE.start_main_~i~5 70), 155203#(<= ULTIMATE.start_main_~i~5 71), 155200#(<= ULTIMATE.start_main_~i~5 68), 155201#(<= ULTIMATE.start_main_~i~5 69), 155206#(<= ULTIMATE.start_main_~i~5 74), 155207#(<= ULTIMATE.start_main_~i~5 75), 155204#(<= ULTIMATE.start_main_~i~5 72), 155205#(<= ULTIMATE.start_main_~i~5 73), 155210#(<= ULTIMATE.start_main_~i~5 78), 155211#(<= ULTIMATE.start_main_~i~5 79), 155208#(<= ULTIMATE.start_main_~i~5 76), 155209#(<= ULTIMATE.start_main_~i~5 77), 155214#(<= ULTIMATE.start_main_~i~5 82), 155215#(<= ULTIMATE.start_main_~i~5 83), 155212#(<= ULTIMATE.start_main_~i~5 80), 155213#(<= ULTIMATE.start_main_~i~5 81), 155218#(<= ULTIMATE.start_main_~i~5 86), 155219#(<= ULTIMATE.start_main_~i~5 87), 155216#(<= ULTIMATE.start_main_~i~5 84), 155217#(<= ULTIMATE.start_main_~i~5 85), 155222#(<= ULTIMATE.start_main_~i~5 90), 155223#(<= ULTIMATE.start_main_~i~5 91), 155220#(<= ULTIMATE.start_main_~i~5 88), 155221#(<= ULTIMATE.start_main_~i~5 89), 155226#(<= ULTIMATE.start_main_~i~5 94), 155227#(<= ULTIMATE.start_main_~i~5 95), 155224#(<= ULTIMATE.start_main_~i~5 92), 155225#(<= ULTIMATE.start_main_~i~5 93), 155230#(<= ULTIMATE.start_main_~i~5 98), 155231#(<= ULTIMATE.start_main_~i~5 99), 155228#(<= ULTIMATE.start_main_~i~5 96), 155229#(<= ULTIMATE.start_main_~i~5 97), 155234#(<= ULTIMATE.start_main_~i~5 102), 155235#(<= ULTIMATE.start_main_~i~5 103), 155232#(<= ULTIMATE.start_main_~i~5 100), 155233#(<= ULTIMATE.start_main_~i~5 101), 155238#(<= ULTIMATE.start_main_~i~5 106), 155239#(<= ULTIMATE.start_main_~i~5 107), 155236#(<= ULTIMATE.start_main_~i~5 104), 155237#(<= ULTIMATE.start_main_~i~5 105), 155242#(<= ULTIMATE.start_main_~i~5 110), 155243#(<= ULTIMATE.start_main_~i~5 111), 155240#(<= ULTIMATE.start_main_~i~5 108), 155241#(<= ULTIMATE.start_main_~i~5 109), 155246#(<= ULTIMATE.start_main_~i~5 114), 155247#(<= ULTIMATE.start_main_~i~5 115), 155244#(<= ULTIMATE.start_main_~i~5 112), 155245#(<= ULTIMATE.start_main_~i~5 113), 155250#(<= ULTIMATE.start_main_~i~5 118), 155251#(<= ULTIMATE.start_main_~i~5 119), 155248#(<= ULTIMATE.start_main_~i~5 116), 155249#(<= ULTIMATE.start_main_~i~5 117), 155254#(<= ULTIMATE.start_main_~i~5 122), 155255#(<= ULTIMATE.start_main_~i~5 123), 155252#(<= ULTIMATE.start_main_~i~5 120), 155253#(<= ULTIMATE.start_main_~i~5 121), 155258#(<= ULTIMATE.start_main_~i~5 126), 155259#(<= ULTIMATE.start_main_~i~5 127), 155256#(<= ULTIMATE.start_main_~i~5 124), 155257#(<= ULTIMATE.start_main_~i~5 125), 155262#(<= ULTIMATE.start_main_~i~5 130), 155263#(<= ULTIMATE.start_main_~i~5 131), 155260#(<= ULTIMATE.start_main_~i~5 128), 155261#(<= ULTIMATE.start_main_~i~5 129), 155266#(<= ULTIMATE.start_main_~i~5 134), 155267#(<= ULTIMATE.start_main_~i~5 135), 155264#(<= ULTIMATE.start_main_~i~5 132), 155265#(<= ULTIMATE.start_main_~i~5 133), 155270#(<= ULTIMATE.start_main_~i~5 138), 155271#(<= ULTIMATE.start_main_~i~5 139), 155268#(<= ULTIMATE.start_main_~i~5 136), 155269#(<= ULTIMATE.start_main_~i~5 137), 155274#(<= ULTIMATE.start_main_~i~5 142), 155275#(<= ULTIMATE.start_main_~i~5 143), 155272#(<= ULTIMATE.start_main_~i~5 140), 155273#(<= ULTIMATE.start_main_~i~5 141), 155278#(<= ULTIMATE.start_main_~i~5 146), 155279#(<= ULTIMATE.start_main_~i~5 147), 155276#(<= ULTIMATE.start_main_~i~5 144), 155277#(<= ULTIMATE.start_main_~i~5 145), 155282#(<= ULTIMATE.start_main_~i~5 150), 155283#(<= ULTIMATE.start_main_~i~5 151), 155280#(<= ULTIMATE.start_main_~i~5 148), 155281#(<= ULTIMATE.start_main_~i~5 149), 155286#(<= ULTIMATE.start_main_~i~5 154), 155287#(<= ULTIMATE.start_main_~i~5 155), 155284#(<= ULTIMATE.start_main_~i~5 152), 155285#(<= ULTIMATE.start_main_~i~5 153), 155290#(<= ULTIMATE.start_main_~i~5 158), 155291#(<= ULTIMATE.start_main_~i~5 159), 155288#(<= ULTIMATE.start_main_~i~5 156), 155289#(<= ULTIMATE.start_main_~i~5 157), 155294#(<= ULTIMATE.start_main_~i~5 162), 155295#(<= ULTIMATE.start_main_~i~5 163), 155292#(<= ULTIMATE.start_main_~i~5 160), 155293#(<= ULTIMATE.start_main_~i~5 161), 155298#(<= ULTIMATE.start_main_~i~5 166), 155299#(<= ULTIMATE.start_main_~i~5 167), 155296#(<= ULTIMATE.start_main_~i~5 164), 155297#(<= ULTIMATE.start_main_~i~5 165), 155302#(<= ULTIMATE.start_main_~i~5 170), 155303#(<= ULTIMATE.start_main_~i~5 171), 155300#(<= ULTIMATE.start_main_~i~5 168), 155301#(<= ULTIMATE.start_main_~i~5 169), 155306#(<= ULTIMATE.start_main_~i~5 174), 155307#(<= ULTIMATE.start_main_~i~5 175), 155304#(<= ULTIMATE.start_main_~i~5 172), 155305#(<= ULTIMATE.start_main_~i~5 173), 155310#(<= ULTIMATE.start_main_~i~5 178), 155311#(<= ULTIMATE.start_main_~i~5 179), 155308#(<= ULTIMATE.start_main_~i~5 176), 155309#(<= ULTIMATE.start_main_~i~5 177), 155312#(<= ULTIMATE.start_main_~i~5 180), 155313#(<= ULTIMATE.start_main_~i~5 181), 155130#true, 155131#false, 155134#(<= ULTIMATE.start_main_~i~5 2), 155135#(<= ULTIMATE.start_main_~i~5 3), 155132#(<= ULTIMATE.start_main_~i~5 0), 155133#(<= ULTIMATE.start_main_~i~5 1)] [2018-07-23 13:43:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 32942 backedges. 0 proven. 32942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:20,143 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:43:20,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:43:20,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:43:20,146 INFO L87 Difference]: Start difference. First operand 369 states and 370 transitions. Second operand 184 states. [2018-07-23 13:43:22,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:22,035 INFO L93 Difference]: Finished difference Result 375 states and 377 transitions. [2018-07-23 13:43:22,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:43:22,035 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 368 [2018-07-23 13:43:22,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:22,036 INFO L225 Difference]: With dead ends: 375 [2018-07-23 13:43:22,036 INFO L226 Difference]: Without dead ends: 371 [2018-07-23 13:43:22,037 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:43:22,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-07-23 13:43:22,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2018-07-23 13:43:22,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-07-23 13:43:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 372 transitions. [2018-07-23 13:43:22,041 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 372 transitions. Word has length 368 [2018-07-23 13:43:22,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:22,041 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 372 transitions. [2018-07-23 13:43:22,041 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:43:22,041 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 372 transitions. [2018-07-23 13:43:22,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-07-23 13:43:22,042 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:22,043 INFO L357 BasicCegarLoop]: trace histogram [183, 182, 1, 1, 1, 1, 1] [2018-07-23 13:43:22,043 INFO L414 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:22,043 INFO L82 PathProgramCache]: Analyzing trace with hash 303888611, now seen corresponding path program 182 times [2018-07-23 13:43:22,043 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 33306 backedges. 0 proven. 33306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:23,508 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:23,508 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:43:23,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:23,509 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 13:43:23,509 INFO L185 omatonBuilderFactory]: Interpolants [156930#(<= ULTIMATE.start_main_~i~5 122), 156931#(<= ULTIMATE.start_main_~i~5 123), 156928#(<= ULTIMATE.start_main_~i~5 120), 156929#(<= ULTIMATE.start_main_~i~5 121), 156934#(<= ULTIMATE.start_main_~i~5 126), 156935#(<= ULTIMATE.start_main_~i~5 127), 156932#(<= ULTIMATE.start_main_~i~5 124), 156933#(<= ULTIMATE.start_main_~i~5 125), 156938#(<= ULTIMATE.start_main_~i~5 130), 156939#(<= ULTIMATE.start_main_~i~5 131), 156936#(<= ULTIMATE.start_main_~i~5 128), 156937#(<= ULTIMATE.start_main_~i~5 129), 156942#(<= ULTIMATE.start_main_~i~5 134), 156943#(<= ULTIMATE.start_main_~i~5 135), 156940#(<= ULTIMATE.start_main_~i~5 132), 156941#(<= ULTIMATE.start_main_~i~5 133), 156946#(<= ULTIMATE.start_main_~i~5 138), 156947#(<= ULTIMATE.start_main_~i~5 139), 156944#(<= ULTIMATE.start_main_~i~5 136), 156945#(<= ULTIMATE.start_main_~i~5 137), 156950#(<= ULTIMATE.start_main_~i~5 142), 156951#(<= ULTIMATE.start_main_~i~5 143), 156948#(<= ULTIMATE.start_main_~i~5 140), 156949#(<= ULTIMATE.start_main_~i~5 141), 156954#(<= ULTIMATE.start_main_~i~5 146), 156955#(<= ULTIMATE.start_main_~i~5 147), 156952#(<= ULTIMATE.start_main_~i~5 144), 156953#(<= ULTIMATE.start_main_~i~5 145), 156958#(<= ULTIMATE.start_main_~i~5 150), 156959#(<= ULTIMATE.start_main_~i~5 151), 156956#(<= ULTIMATE.start_main_~i~5 148), 156957#(<= ULTIMATE.start_main_~i~5 149), 156962#(<= ULTIMATE.start_main_~i~5 154), 156963#(<= ULTIMATE.start_main_~i~5 155), 156960#(<= ULTIMATE.start_main_~i~5 152), 156961#(<= ULTIMATE.start_main_~i~5 153), 156966#(<= ULTIMATE.start_main_~i~5 158), 156967#(<= ULTIMATE.start_main_~i~5 159), 156964#(<= ULTIMATE.start_main_~i~5 156), 156965#(<= ULTIMATE.start_main_~i~5 157), 156970#(<= ULTIMATE.start_main_~i~5 162), 156971#(<= ULTIMATE.start_main_~i~5 163), 156968#(<= ULTIMATE.start_main_~i~5 160), 156969#(<= ULTIMATE.start_main_~i~5 161), 156974#(<= ULTIMATE.start_main_~i~5 166), 156975#(<= ULTIMATE.start_main_~i~5 167), 156972#(<= ULTIMATE.start_main_~i~5 164), 156973#(<= ULTIMATE.start_main_~i~5 165), 156978#(<= ULTIMATE.start_main_~i~5 170), 156979#(<= ULTIMATE.start_main_~i~5 171), 156976#(<= ULTIMATE.start_main_~i~5 168), 156977#(<= ULTIMATE.start_main_~i~5 169), 156982#(<= ULTIMATE.start_main_~i~5 174), 156983#(<= ULTIMATE.start_main_~i~5 175), 156980#(<= ULTIMATE.start_main_~i~5 172), 156981#(<= ULTIMATE.start_main_~i~5 173), 156986#(<= ULTIMATE.start_main_~i~5 178), 156987#(<= ULTIMATE.start_main_~i~5 179), 156984#(<= ULTIMATE.start_main_~i~5 176), 156985#(<= ULTIMATE.start_main_~i~5 177), 156990#(<= ULTIMATE.start_main_~i~5 182), 156988#(<= ULTIMATE.start_main_~i~5 180), 156989#(<= ULTIMATE.start_main_~i~5 181), 156806#true, 156807#false, 156810#(<= ULTIMATE.start_main_~i~5 2), 156811#(<= ULTIMATE.start_main_~i~5 3), 156808#(<= ULTIMATE.start_main_~i~5 0), 156809#(<= ULTIMATE.start_main_~i~5 1), 156814#(<= ULTIMATE.start_main_~i~5 6), 156815#(<= ULTIMATE.start_main_~i~5 7), 156812#(<= ULTIMATE.start_main_~i~5 4), 156813#(<= ULTIMATE.start_main_~i~5 5), 156818#(<= ULTIMATE.start_main_~i~5 10), 156819#(<= ULTIMATE.start_main_~i~5 11), 156816#(<= ULTIMATE.start_main_~i~5 8), 156817#(<= ULTIMATE.start_main_~i~5 9), 156822#(<= ULTIMATE.start_main_~i~5 14), 156823#(<= ULTIMATE.start_main_~i~5 15), 156820#(<= ULTIMATE.start_main_~i~5 12), 156821#(<= ULTIMATE.start_main_~i~5 13), 156826#(<= ULTIMATE.start_main_~i~5 18), 156827#(<= ULTIMATE.start_main_~i~5 19), 156824#(<= ULTIMATE.start_main_~i~5 16), 156825#(<= ULTIMATE.start_main_~i~5 17), 156830#(<= ULTIMATE.start_main_~i~5 22), 156831#(<= ULTIMATE.start_main_~i~5 23), 156828#(<= ULTIMATE.start_main_~i~5 20), 156829#(<= ULTIMATE.start_main_~i~5 21), 156834#(<= ULTIMATE.start_main_~i~5 26), 156835#(<= ULTIMATE.start_main_~i~5 27), 156832#(<= ULTIMATE.start_main_~i~5 24), 156833#(<= ULTIMATE.start_main_~i~5 25), 156838#(<= ULTIMATE.start_main_~i~5 30), 156839#(<= ULTIMATE.start_main_~i~5 31), 156836#(<= ULTIMATE.start_main_~i~5 28), 156837#(<= ULTIMATE.start_main_~i~5 29), 156842#(<= ULTIMATE.start_main_~i~5 34), 156843#(<= ULTIMATE.start_main_~i~5 35), 156840#(<= ULTIMATE.start_main_~i~5 32), 156841#(<= ULTIMATE.start_main_~i~5 33), 156846#(<= ULTIMATE.start_main_~i~5 38), 156847#(<= ULTIMATE.start_main_~i~5 39), 156844#(<= ULTIMATE.start_main_~i~5 36), 156845#(<= ULTIMATE.start_main_~i~5 37), 156850#(<= ULTIMATE.start_main_~i~5 42), 156851#(<= ULTIMATE.start_main_~i~5 43), 156848#(<= ULTIMATE.start_main_~i~5 40), 156849#(<= ULTIMATE.start_main_~i~5 41), 156854#(<= ULTIMATE.start_main_~i~5 46), 156855#(<= ULTIMATE.start_main_~i~5 47), 156852#(<= ULTIMATE.start_main_~i~5 44), 156853#(<= ULTIMATE.start_main_~i~5 45), 156858#(<= ULTIMATE.start_main_~i~5 50), 156859#(<= ULTIMATE.start_main_~i~5 51), 156856#(<= ULTIMATE.start_main_~i~5 48), 156857#(<= ULTIMATE.start_main_~i~5 49), 156862#(<= ULTIMATE.start_main_~i~5 54), 156863#(<= ULTIMATE.start_main_~i~5 55), 156860#(<= ULTIMATE.start_main_~i~5 52), 156861#(<= ULTIMATE.start_main_~i~5 53), 156866#(<= ULTIMATE.start_main_~i~5 58), 156867#(<= ULTIMATE.start_main_~i~5 59), 156864#(<= ULTIMATE.start_main_~i~5 56), 156865#(<= ULTIMATE.start_main_~i~5 57), 156870#(<= ULTIMATE.start_main_~i~5 62), 156871#(<= ULTIMATE.start_main_~i~5 63), 156868#(<= ULTIMATE.start_main_~i~5 60), 156869#(<= ULTIMATE.start_main_~i~5 61), 156874#(<= ULTIMATE.start_main_~i~5 66), 156875#(<= ULTIMATE.start_main_~i~5 67), 156872#(<= ULTIMATE.start_main_~i~5 64), 156873#(<= ULTIMATE.start_main_~i~5 65), 156878#(<= ULTIMATE.start_main_~i~5 70), 156879#(<= ULTIMATE.start_main_~i~5 71), 156876#(<= ULTIMATE.start_main_~i~5 68), 156877#(<= ULTIMATE.start_main_~i~5 69), 156882#(<= ULTIMATE.start_main_~i~5 74), 156883#(<= ULTIMATE.start_main_~i~5 75), 156880#(<= ULTIMATE.start_main_~i~5 72), 156881#(<= ULTIMATE.start_main_~i~5 73), 156886#(<= ULTIMATE.start_main_~i~5 78), 156887#(<= ULTIMATE.start_main_~i~5 79), 156884#(<= ULTIMATE.start_main_~i~5 76), 156885#(<= ULTIMATE.start_main_~i~5 77), 156890#(<= ULTIMATE.start_main_~i~5 82), 156891#(<= ULTIMATE.start_main_~i~5 83), 156888#(<= ULTIMATE.start_main_~i~5 80), 156889#(<= ULTIMATE.start_main_~i~5 81), 156894#(<= ULTIMATE.start_main_~i~5 86), 156895#(<= ULTIMATE.start_main_~i~5 87), 156892#(<= ULTIMATE.start_main_~i~5 84), 156893#(<= ULTIMATE.start_main_~i~5 85), 156898#(<= ULTIMATE.start_main_~i~5 90), 156899#(<= ULTIMATE.start_main_~i~5 91), 156896#(<= ULTIMATE.start_main_~i~5 88), 156897#(<= ULTIMATE.start_main_~i~5 89), 156902#(<= ULTIMATE.start_main_~i~5 94), 156903#(<= ULTIMATE.start_main_~i~5 95), 156900#(<= ULTIMATE.start_main_~i~5 92), 156901#(<= ULTIMATE.start_main_~i~5 93), 156906#(<= ULTIMATE.start_main_~i~5 98), 156907#(<= ULTIMATE.start_main_~i~5 99), 156904#(<= ULTIMATE.start_main_~i~5 96), 156905#(<= ULTIMATE.start_main_~i~5 97), 156910#(<= ULTIMATE.start_main_~i~5 102), 156911#(<= ULTIMATE.start_main_~i~5 103), 156908#(<= ULTIMATE.start_main_~i~5 100), 156909#(<= ULTIMATE.start_main_~i~5 101), 156914#(<= ULTIMATE.start_main_~i~5 106), 156915#(<= ULTIMATE.start_main_~i~5 107), 156912#(<= ULTIMATE.start_main_~i~5 104), 156913#(<= ULTIMATE.start_main_~i~5 105), 156918#(<= ULTIMATE.start_main_~i~5 110), 156919#(<= ULTIMATE.start_main_~i~5 111), 156916#(<= ULTIMATE.start_main_~i~5 108), 156917#(<= ULTIMATE.start_main_~i~5 109), 156922#(<= ULTIMATE.start_main_~i~5 114), 156923#(<= ULTIMATE.start_main_~i~5 115), 156920#(<= ULTIMATE.start_main_~i~5 112), 156921#(<= ULTIMATE.start_main_~i~5 113), 156926#(<= ULTIMATE.start_main_~i~5 118), 156927#(<= ULTIMATE.start_main_~i~5 119), 156924#(<= ULTIMATE.start_main_~i~5 116), 156925#(<= ULTIMATE.start_main_~i~5 117)] [2018-07-23 13:43:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 33306 backedges. 0 proven. 33306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:23,511 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:43:23,513 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:43:23,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:43:23,515 INFO L87 Difference]: Start difference. First operand 371 states and 372 transitions. Second operand 185 states. [2018-07-23 13:43:24,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:24,123 INFO L93 Difference]: Finished difference Result 377 states and 379 transitions. [2018-07-23 13:43:24,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:43:24,123 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 370 [2018-07-23 13:43:24,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:24,124 INFO L225 Difference]: With dead ends: 377 [2018-07-23 13:43:24,124 INFO L226 Difference]: Without dead ends: 373 [2018-07-23 13:43:24,126 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 13:43:24,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-07-23 13:43:24,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2018-07-23 13:43:24,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-07-23 13:43:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 374 transitions. [2018-07-23 13:43:24,131 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 374 transitions. Word has length 370 [2018-07-23 13:43:24,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:24,131 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 374 transitions. [2018-07-23 13:43:24,131 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:43:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 374 transitions. [2018-07-23 13:43:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-07-23 13:43:24,132 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:24,133 INFO L357 BasicCegarLoop]: trace histogram [184, 183, 1, 1, 1, 1, 1] [2018-07-23 13:43:24,133 INFO L414 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:24,133 INFO L82 PathProgramCache]: Analyzing trace with hash -104379169, now seen corresponding path program 183 times [2018-07-23 13:43:24,133 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 33672 backedges. 0 proven. 33672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:25,658 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:25,658 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:43:25,658 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:25,658 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 13:43:25,658 INFO L185 omatonBuilderFactory]: Interpolants [158491#true, 158494#(<= ULTIMATE.start_main_~i~5 1), 158495#(<= ULTIMATE.start_main_~i~5 2), 158492#false, 158493#(<= ULTIMATE.start_main_~i~5 0), 158498#(<= ULTIMATE.start_main_~i~5 5), 158499#(<= ULTIMATE.start_main_~i~5 6), 158496#(<= ULTIMATE.start_main_~i~5 3), 158497#(<= ULTIMATE.start_main_~i~5 4), 158502#(<= ULTIMATE.start_main_~i~5 9), 158503#(<= ULTIMATE.start_main_~i~5 10), 158500#(<= ULTIMATE.start_main_~i~5 7), 158501#(<= ULTIMATE.start_main_~i~5 8), 158506#(<= ULTIMATE.start_main_~i~5 13), 158507#(<= ULTIMATE.start_main_~i~5 14), 158504#(<= ULTIMATE.start_main_~i~5 11), 158505#(<= ULTIMATE.start_main_~i~5 12), 158510#(<= ULTIMATE.start_main_~i~5 17), 158511#(<= ULTIMATE.start_main_~i~5 18), 158508#(<= ULTIMATE.start_main_~i~5 15), 158509#(<= ULTIMATE.start_main_~i~5 16), 158514#(<= ULTIMATE.start_main_~i~5 21), 158515#(<= ULTIMATE.start_main_~i~5 22), 158512#(<= ULTIMATE.start_main_~i~5 19), 158513#(<= ULTIMATE.start_main_~i~5 20), 158518#(<= ULTIMATE.start_main_~i~5 25), 158519#(<= ULTIMATE.start_main_~i~5 26), 158516#(<= ULTIMATE.start_main_~i~5 23), 158517#(<= ULTIMATE.start_main_~i~5 24), 158522#(<= ULTIMATE.start_main_~i~5 29), 158523#(<= ULTIMATE.start_main_~i~5 30), 158520#(<= ULTIMATE.start_main_~i~5 27), 158521#(<= ULTIMATE.start_main_~i~5 28), 158526#(<= ULTIMATE.start_main_~i~5 33), 158527#(<= ULTIMATE.start_main_~i~5 34), 158524#(<= ULTIMATE.start_main_~i~5 31), 158525#(<= ULTIMATE.start_main_~i~5 32), 158530#(<= ULTIMATE.start_main_~i~5 37), 158531#(<= ULTIMATE.start_main_~i~5 38), 158528#(<= ULTIMATE.start_main_~i~5 35), 158529#(<= ULTIMATE.start_main_~i~5 36), 158534#(<= ULTIMATE.start_main_~i~5 41), 158535#(<= ULTIMATE.start_main_~i~5 42), 158532#(<= ULTIMATE.start_main_~i~5 39), 158533#(<= ULTIMATE.start_main_~i~5 40), 158538#(<= ULTIMATE.start_main_~i~5 45), 158539#(<= ULTIMATE.start_main_~i~5 46), 158536#(<= ULTIMATE.start_main_~i~5 43), 158537#(<= ULTIMATE.start_main_~i~5 44), 158542#(<= ULTIMATE.start_main_~i~5 49), 158543#(<= ULTIMATE.start_main_~i~5 50), 158540#(<= ULTIMATE.start_main_~i~5 47), 158541#(<= ULTIMATE.start_main_~i~5 48), 158546#(<= ULTIMATE.start_main_~i~5 53), 158547#(<= ULTIMATE.start_main_~i~5 54), 158544#(<= ULTIMATE.start_main_~i~5 51), 158545#(<= ULTIMATE.start_main_~i~5 52), 158550#(<= ULTIMATE.start_main_~i~5 57), 158551#(<= ULTIMATE.start_main_~i~5 58), 158548#(<= ULTIMATE.start_main_~i~5 55), 158549#(<= ULTIMATE.start_main_~i~5 56), 158554#(<= ULTIMATE.start_main_~i~5 61), 158555#(<= ULTIMATE.start_main_~i~5 62), 158552#(<= ULTIMATE.start_main_~i~5 59), 158553#(<= ULTIMATE.start_main_~i~5 60), 158558#(<= ULTIMATE.start_main_~i~5 65), 158559#(<= ULTIMATE.start_main_~i~5 66), 158556#(<= ULTIMATE.start_main_~i~5 63), 158557#(<= ULTIMATE.start_main_~i~5 64), 158562#(<= ULTIMATE.start_main_~i~5 69), 158563#(<= ULTIMATE.start_main_~i~5 70), 158560#(<= ULTIMATE.start_main_~i~5 67), 158561#(<= ULTIMATE.start_main_~i~5 68), 158566#(<= ULTIMATE.start_main_~i~5 73), 158567#(<= ULTIMATE.start_main_~i~5 74), 158564#(<= ULTIMATE.start_main_~i~5 71), 158565#(<= ULTIMATE.start_main_~i~5 72), 158570#(<= ULTIMATE.start_main_~i~5 77), 158571#(<= ULTIMATE.start_main_~i~5 78), 158568#(<= ULTIMATE.start_main_~i~5 75), 158569#(<= ULTIMATE.start_main_~i~5 76), 158574#(<= ULTIMATE.start_main_~i~5 81), 158575#(<= ULTIMATE.start_main_~i~5 82), 158572#(<= ULTIMATE.start_main_~i~5 79), 158573#(<= ULTIMATE.start_main_~i~5 80), 158578#(<= ULTIMATE.start_main_~i~5 85), 158579#(<= ULTIMATE.start_main_~i~5 86), 158576#(<= ULTIMATE.start_main_~i~5 83), 158577#(<= ULTIMATE.start_main_~i~5 84), 158582#(<= ULTIMATE.start_main_~i~5 89), 158583#(<= ULTIMATE.start_main_~i~5 90), 158580#(<= ULTIMATE.start_main_~i~5 87), 158581#(<= ULTIMATE.start_main_~i~5 88), 158586#(<= ULTIMATE.start_main_~i~5 93), 158587#(<= ULTIMATE.start_main_~i~5 94), 158584#(<= ULTIMATE.start_main_~i~5 91), 158585#(<= ULTIMATE.start_main_~i~5 92), 158590#(<= ULTIMATE.start_main_~i~5 97), 158591#(<= ULTIMATE.start_main_~i~5 98), 158588#(<= ULTIMATE.start_main_~i~5 95), 158589#(<= ULTIMATE.start_main_~i~5 96), 158594#(<= ULTIMATE.start_main_~i~5 101), 158595#(<= ULTIMATE.start_main_~i~5 102), 158592#(<= ULTIMATE.start_main_~i~5 99), 158593#(<= ULTIMATE.start_main_~i~5 100), 158598#(<= ULTIMATE.start_main_~i~5 105), 158599#(<= ULTIMATE.start_main_~i~5 106), 158596#(<= ULTIMATE.start_main_~i~5 103), 158597#(<= ULTIMATE.start_main_~i~5 104), 158602#(<= ULTIMATE.start_main_~i~5 109), 158603#(<= ULTIMATE.start_main_~i~5 110), 158600#(<= ULTIMATE.start_main_~i~5 107), 158601#(<= ULTIMATE.start_main_~i~5 108), 158606#(<= ULTIMATE.start_main_~i~5 113), 158607#(<= ULTIMATE.start_main_~i~5 114), 158604#(<= ULTIMATE.start_main_~i~5 111), 158605#(<= ULTIMATE.start_main_~i~5 112), 158610#(<= ULTIMATE.start_main_~i~5 117), 158611#(<= ULTIMATE.start_main_~i~5 118), 158608#(<= ULTIMATE.start_main_~i~5 115), 158609#(<= ULTIMATE.start_main_~i~5 116), 158614#(<= ULTIMATE.start_main_~i~5 121), 158615#(<= ULTIMATE.start_main_~i~5 122), 158612#(<= ULTIMATE.start_main_~i~5 119), 158613#(<= ULTIMATE.start_main_~i~5 120), 158618#(<= ULTIMATE.start_main_~i~5 125), 158619#(<= ULTIMATE.start_main_~i~5 126), 158616#(<= ULTIMATE.start_main_~i~5 123), 158617#(<= ULTIMATE.start_main_~i~5 124), 158622#(<= ULTIMATE.start_main_~i~5 129), 158623#(<= ULTIMATE.start_main_~i~5 130), 158620#(<= ULTIMATE.start_main_~i~5 127), 158621#(<= ULTIMATE.start_main_~i~5 128), 158626#(<= ULTIMATE.start_main_~i~5 133), 158627#(<= ULTIMATE.start_main_~i~5 134), 158624#(<= ULTIMATE.start_main_~i~5 131), 158625#(<= ULTIMATE.start_main_~i~5 132), 158630#(<= ULTIMATE.start_main_~i~5 137), 158631#(<= ULTIMATE.start_main_~i~5 138), 158628#(<= ULTIMATE.start_main_~i~5 135), 158629#(<= ULTIMATE.start_main_~i~5 136), 158634#(<= ULTIMATE.start_main_~i~5 141), 158635#(<= ULTIMATE.start_main_~i~5 142), 158632#(<= ULTIMATE.start_main_~i~5 139), 158633#(<= ULTIMATE.start_main_~i~5 140), 158638#(<= ULTIMATE.start_main_~i~5 145), 158639#(<= ULTIMATE.start_main_~i~5 146), 158636#(<= ULTIMATE.start_main_~i~5 143), 158637#(<= ULTIMATE.start_main_~i~5 144), 158642#(<= ULTIMATE.start_main_~i~5 149), 158643#(<= ULTIMATE.start_main_~i~5 150), 158640#(<= ULTIMATE.start_main_~i~5 147), 158641#(<= ULTIMATE.start_main_~i~5 148), 158646#(<= ULTIMATE.start_main_~i~5 153), 158647#(<= ULTIMATE.start_main_~i~5 154), 158644#(<= ULTIMATE.start_main_~i~5 151), 158645#(<= ULTIMATE.start_main_~i~5 152), 158650#(<= ULTIMATE.start_main_~i~5 157), 158651#(<= ULTIMATE.start_main_~i~5 158), 158648#(<= ULTIMATE.start_main_~i~5 155), 158649#(<= ULTIMATE.start_main_~i~5 156), 158654#(<= ULTIMATE.start_main_~i~5 161), 158655#(<= ULTIMATE.start_main_~i~5 162), 158652#(<= ULTIMATE.start_main_~i~5 159), 158653#(<= ULTIMATE.start_main_~i~5 160), 158658#(<= ULTIMATE.start_main_~i~5 165), 158659#(<= ULTIMATE.start_main_~i~5 166), 158656#(<= ULTIMATE.start_main_~i~5 163), 158657#(<= ULTIMATE.start_main_~i~5 164), 158662#(<= ULTIMATE.start_main_~i~5 169), 158663#(<= ULTIMATE.start_main_~i~5 170), 158660#(<= ULTIMATE.start_main_~i~5 167), 158661#(<= ULTIMATE.start_main_~i~5 168), 158666#(<= ULTIMATE.start_main_~i~5 173), 158667#(<= ULTIMATE.start_main_~i~5 174), 158664#(<= ULTIMATE.start_main_~i~5 171), 158665#(<= ULTIMATE.start_main_~i~5 172), 158670#(<= ULTIMATE.start_main_~i~5 177), 158671#(<= ULTIMATE.start_main_~i~5 178), 158668#(<= ULTIMATE.start_main_~i~5 175), 158669#(<= ULTIMATE.start_main_~i~5 176), 158674#(<= ULTIMATE.start_main_~i~5 181), 158675#(<= ULTIMATE.start_main_~i~5 182), 158672#(<= ULTIMATE.start_main_~i~5 179), 158673#(<= ULTIMATE.start_main_~i~5 180), 158676#(<= ULTIMATE.start_main_~i~5 183)] [2018-07-23 13:43:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 33672 backedges. 0 proven. 33672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:25,660 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:43:25,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:43:25,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:43:25,662 INFO L87 Difference]: Start difference. First operand 373 states and 374 transitions. Second operand 186 states. [2018-07-23 13:43:27,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:27,440 INFO L93 Difference]: Finished difference Result 379 states and 381 transitions. [2018-07-23 13:43:27,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:43:27,440 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 372 [2018-07-23 13:43:27,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:27,441 INFO L225 Difference]: With dead ends: 379 [2018-07-23 13:43:27,441 INFO L226 Difference]: Without dead ends: 375 [2018-07-23 13:43:27,442 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:43:27,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-07-23 13:43:27,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2018-07-23 13:43:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-07-23 13:43:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 376 transitions. [2018-07-23 13:43:27,445 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 376 transitions. Word has length 372 [2018-07-23 13:43:27,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:27,446 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 376 transitions. [2018-07-23 13:43:27,446 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:43:27,446 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 376 transitions. [2018-07-23 13:43:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-07-23 13:43:27,447 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:27,447 INFO L357 BasicCegarLoop]: trace histogram [185, 184, 1, 1, 1, 1, 1] [2018-07-23 13:43:27,447 INFO L414 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:27,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1607691813, now seen corresponding path program 184 times [2018-07-23 13:43:27,447 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 34040 backedges. 0 proven. 34040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:28,932 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:28,932 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:43:28,932 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:28,932 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 13:43:28,933 INFO L185 omatonBuilderFactory]: Interpolants [160258#(<= ULTIMATE.start_main_~i~5 71), 160259#(<= ULTIMATE.start_main_~i~5 72), 160256#(<= ULTIMATE.start_main_~i~5 69), 160257#(<= ULTIMATE.start_main_~i~5 70), 160262#(<= ULTIMATE.start_main_~i~5 75), 160263#(<= ULTIMATE.start_main_~i~5 76), 160260#(<= ULTIMATE.start_main_~i~5 73), 160261#(<= ULTIMATE.start_main_~i~5 74), 160266#(<= ULTIMATE.start_main_~i~5 79), 160267#(<= ULTIMATE.start_main_~i~5 80), 160264#(<= ULTIMATE.start_main_~i~5 77), 160265#(<= ULTIMATE.start_main_~i~5 78), 160270#(<= ULTIMATE.start_main_~i~5 83), 160271#(<= ULTIMATE.start_main_~i~5 84), 160268#(<= ULTIMATE.start_main_~i~5 81), 160269#(<= ULTIMATE.start_main_~i~5 82), 160274#(<= ULTIMATE.start_main_~i~5 87), 160275#(<= ULTIMATE.start_main_~i~5 88), 160272#(<= ULTIMATE.start_main_~i~5 85), 160273#(<= ULTIMATE.start_main_~i~5 86), 160278#(<= ULTIMATE.start_main_~i~5 91), 160279#(<= ULTIMATE.start_main_~i~5 92), 160276#(<= ULTIMATE.start_main_~i~5 89), 160277#(<= ULTIMATE.start_main_~i~5 90), 160282#(<= ULTIMATE.start_main_~i~5 95), 160283#(<= ULTIMATE.start_main_~i~5 96), 160280#(<= ULTIMATE.start_main_~i~5 93), 160281#(<= ULTIMATE.start_main_~i~5 94), 160286#(<= ULTIMATE.start_main_~i~5 99), 160287#(<= ULTIMATE.start_main_~i~5 100), 160284#(<= ULTIMATE.start_main_~i~5 97), 160285#(<= ULTIMATE.start_main_~i~5 98), 160290#(<= ULTIMATE.start_main_~i~5 103), 160291#(<= ULTIMATE.start_main_~i~5 104), 160288#(<= ULTIMATE.start_main_~i~5 101), 160289#(<= ULTIMATE.start_main_~i~5 102), 160294#(<= ULTIMATE.start_main_~i~5 107), 160295#(<= ULTIMATE.start_main_~i~5 108), 160292#(<= ULTIMATE.start_main_~i~5 105), 160293#(<= ULTIMATE.start_main_~i~5 106), 160298#(<= ULTIMATE.start_main_~i~5 111), 160299#(<= ULTIMATE.start_main_~i~5 112), 160296#(<= ULTIMATE.start_main_~i~5 109), 160297#(<= ULTIMATE.start_main_~i~5 110), 160302#(<= ULTIMATE.start_main_~i~5 115), 160303#(<= ULTIMATE.start_main_~i~5 116), 160300#(<= ULTIMATE.start_main_~i~5 113), 160301#(<= ULTIMATE.start_main_~i~5 114), 160306#(<= ULTIMATE.start_main_~i~5 119), 160307#(<= ULTIMATE.start_main_~i~5 120), 160304#(<= ULTIMATE.start_main_~i~5 117), 160305#(<= ULTIMATE.start_main_~i~5 118), 160310#(<= ULTIMATE.start_main_~i~5 123), 160311#(<= ULTIMATE.start_main_~i~5 124), 160308#(<= ULTIMATE.start_main_~i~5 121), 160309#(<= ULTIMATE.start_main_~i~5 122), 160314#(<= ULTIMATE.start_main_~i~5 127), 160315#(<= ULTIMATE.start_main_~i~5 128), 160312#(<= ULTIMATE.start_main_~i~5 125), 160313#(<= ULTIMATE.start_main_~i~5 126), 160318#(<= ULTIMATE.start_main_~i~5 131), 160319#(<= ULTIMATE.start_main_~i~5 132), 160316#(<= ULTIMATE.start_main_~i~5 129), 160317#(<= ULTIMATE.start_main_~i~5 130), 160322#(<= ULTIMATE.start_main_~i~5 135), 160323#(<= ULTIMATE.start_main_~i~5 136), 160320#(<= ULTIMATE.start_main_~i~5 133), 160321#(<= ULTIMATE.start_main_~i~5 134), 160326#(<= ULTIMATE.start_main_~i~5 139), 160327#(<= ULTIMATE.start_main_~i~5 140), 160324#(<= ULTIMATE.start_main_~i~5 137), 160325#(<= ULTIMATE.start_main_~i~5 138), 160330#(<= ULTIMATE.start_main_~i~5 143), 160331#(<= ULTIMATE.start_main_~i~5 144), 160328#(<= ULTIMATE.start_main_~i~5 141), 160329#(<= ULTIMATE.start_main_~i~5 142), 160334#(<= ULTIMATE.start_main_~i~5 147), 160335#(<= ULTIMATE.start_main_~i~5 148), 160332#(<= ULTIMATE.start_main_~i~5 145), 160333#(<= ULTIMATE.start_main_~i~5 146), 160338#(<= ULTIMATE.start_main_~i~5 151), 160339#(<= ULTIMATE.start_main_~i~5 152), 160336#(<= ULTIMATE.start_main_~i~5 149), 160337#(<= ULTIMATE.start_main_~i~5 150), 160342#(<= ULTIMATE.start_main_~i~5 155), 160343#(<= ULTIMATE.start_main_~i~5 156), 160340#(<= ULTIMATE.start_main_~i~5 153), 160341#(<= ULTIMATE.start_main_~i~5 154), 160346#(<= ULTIMATE.start_main_~i~5 159), 160347#(<= ULTIMATE.start_main_~i~5 160), 160344#(<= ULTIMATE.start_main_~i~5 157), 160345#(<= ULTIMATE.start_main_~i~5 158), 160350#(<= ULTIMATE.start_main_~i~5 163), 160351#(<= ULTIMATE.start_main_~i~5 164), 160348#(<= ULTIMATE.start_main_~i~5 161), 160349#(<= ULTIMATE.start_main_~i~5 162), 160354#(<= ULTIMATE.start_main_~i~5 167), 160355#(<= ULTIMATE.start_main_~i~5 168), 160352#(<= ULTIMATE.start_main_~i~5 165), 160353#(<= ULTIMATE.start_main_~i~5 166), 160358#(<= ULTIMATE.start_main_~i~5 171), 160359#(<= ULTIMATE.start_main_~i~5 172), 160356#(<= ULTIMATE.start_main_~i~5 169), 160357#(<= ULTIMATE.start_main_~i~5 170), 160362#(<= ULTIMATE.start_main_~i~5 175), 160363#(<= ULTIMATE.start_main_~i~5 176), 160360#(<= ULTIMATE.start_main_~i~5 173), 160361#(<= ULTIMATE.start_main_~i~5 174), 160366#(<= ULTIMATE.start_main_~i~5 179), 160367#(<= ULTIMATE.start_main_~i~5 180), 160364#(<= ULTIMATE.start_main_~i~5 177), 160365#(<= ULTIMATE.start_main_~i~5 178), 160370#(<= ULTIMATE.start_main_~i~5 183), 160371#(<= ULTIMATE.start_main_~i~5 184), 160368#(<= ULTIMATE.start_main_~i~5 181), 160369#(<= ULTIMATE.start_main_~i~5 182), 160186#false, 160187#(<= ULTIMATE.start_main_~i~5 0), 160185#true, 160190#(<= ULTIMATE.start_main_~i~5 3), 160191#(<= ULTIMATE.start_main_~i~5 4), 160188#(<= ULTIMATE.start_main_~i~5 1), 160189#(<= ULTIMATE.start_main_~i~5 2), 160194#(<= ULTIMATE.start_main_~i~5 7), 160195#(<= ULTIMATE.start_main_~i~5 8), 160192#(<= ULTIMATE.start_main_~i~5 5), 160193#(<= ULTIMATE.start_main_~i~5 6), 160198#(<= ULTIMATE.start_main_~i~5 11), 160199#(<= ULTIMATE.start_main_~i~5 12), 160196#(<= ULTIMATE.start_main_~i~5 9), 160197#(<= ULTIMATE.start_main_~i~5 10), 160202#(<= ULTIMATE.start_main_~i~5 15), 160203#(<= ULTIMATE.start_main_~i~5 16), 160200#(<= ULTIMATE.start_main_~i~5 13), 160201#(<= ULTIMATE.start_main_~i~5 14), 160206#(<= ULTIMATE.start_main_~i~5 19), 160207#(<= ULTIMATE.start_main_~i~5 20), 160204#(<= ULTIMATE.start_main_~i~5 17), 160205#(<= ULTIMATE.start_main_~i~5 18), 160210#(<= ULTIMATE.start_main_~i~5 23), 160211#(<= ULTIMATE.start_main_~i~5 24), 160208#(<= ULTIMATE.start_main_~i~5 21), 160209#(<= ULTIMATE.start_main_~i~5 22), 160214#(<= ULTIMATE.start_main_~i~5 27), 160215#(<= ULTIMATE.start_main_~i~5 28), 160212#(<= ULTIMATE.start_main_~i~5 25), 160213#(<= ULTIMATE.start_main_~i~5 26), 160218#(<= ULTIMATE.start_main_~i~5 31), 160219#(<= ULTIMATE.start_main_~i~5 32), 160216#(<= ULTIMATE.start_main_~i~5 29), 160217#(<= ULTIMATE.start_main_~i~5 30), 160222#(<= ULTIMATE.start_main_~i~5 35), 160223#(<= ULTIMATE.start_main_~i~5 36), 160220#(<= ULTIMATE.start_main_~i~5 33), 160221#(<= ULTIMATE.start_main_~i~5 34), 160226#(<= ULTIMATE.start_main_~i~5 39), 160227#(<= ULTIMATE.start_main_~i~5 40), 160224#(<= ULTIMATE.start_main_~i~5 37), 160225#(<= ULTIMATE.start_main_~i~5 38), 160230#(<= ULTIMATE.start_main_~i~5 43), 160231#(<= ULTIMATE.start_main_~i~5 44), 160228#(<= ULTIMATE.start_main_~i~5 41), 160229#(<= ULTIMATE.start_main_~i~5 42), 160234#(<= ULTIMATE.start_main_~i~5 47), 160235#(<= ULTIMATE.start_main_~i~5 48), 160232#(<= ULTIMATE.start_main_~i~5 45), 160233#(<= ULTIMATE.start_main_~i~5 46), 160238#(<= ULTIMATE.start_main_~i~5 51), 160239#(<= ULTIMATE.start_main_~i~5 52), 160236#(<= ULTIMATE.start_main_~i~5 49), 160237#(<= ULTIMATE.start_main_~i~5 50), 160242#(<= ULTIMATE.start_main_~i~5 55), 160243#(<= ULTIMATE.start_main_~i~5 56), 160240#(<= ULTIMATE.start_main_~i~5 53), 160241#(<= ULTIMATE.start_main_~i~5 54), 160246#(<= ULTIMATE.start_main_~i~5 59), 160247#(<= ULTIMATE.start_main_~i~5 60), 160244#(<= ULTIMATE.start_main_~i~5 57), 160245#(<= ULTIMATE.start_main_~i~5 58), 160250#(<= ULTIMATE.start_main_~i~5 63), 160251#(<= ULTIMATE.start_main_~i~5 64), 160248#(<= ULTIMATE.start_main_~i~5 61), 160249#(<= ULTIMATE.start_main_~i~5 62), 160254#(<= ULTIMATE.start_main_~i~5 67), 160255#(<= ULTIMATE.start_main_~i~5 68), 160252#(<= ULTIMATE.start_main_~i~5 65), 160253#(<= ULTIMATE.start_main_~i~5 66)] [2018-07-23 13:43:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 34040 backedges. 0 proven. 34040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:28,934 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:43:28,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:43:28,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:43:28,938 INFO L87 Difference]: Start difference. First operand 375 states and 376 transitions. Second operand 187 states. [2018-07-23 13:43:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:29,779 INFO L93 Difference]: Finished difference Result 381 states and 383 transitions. [2018-07-23 13:43:29,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:43:29,779 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 374 [2018-07-23 13:43:29,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:29,780 INFO L225 Difference]: With dead ends: 381 [2018-07-23 13:43:29,780 INFO L226 Difference]: Without dead ends: 377 [2018-07-23 13:43:29,782 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 13:43:29,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-07-23 13:43:29,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-07-23 13:43:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-07-23 13:43:29,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 378 transitions. [2018-07-23 13:43:29,787 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 378 transitions. Word has length 374 [2018-07-23 13:43:29,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:29,787 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 378 transitions. [2018-07-23 13:43:29,787 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:43:29,787 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 378 transitions. [2018-07-23 13:43:29,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-07-23 13:43:29,788 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:29,788 INFO L357 BasicCegarLoop]: trace histogram [186, 185, 1, 1, 1, 1, 1] [2018-07-23 13:43:29,788 INFO L414 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:29,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1112836055, now seen corresponding path program 185 times [2018-07-23 13:43:29,789 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 34410 backedges. 0 proven. 34410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,411 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:31,411 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:43:31,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:31,412 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 13:43:31,412 INFO L185 omatonBuilderFactory]: Interpolants [162050#(<= ULTIMATE.start_main_~i~5 160), 162051#(<= ULTIMATE.start_main_~i~5 161), 162048#(<= ULTIMATE.start_main_~i~5 158), 162049#(<= ULTIMATE.start_main_~i~5 159), 162054#(<= ULTIMATE.start_main_~i~5 164), 162055#(<= ULTIMATE.start_main_~i~5 165), 162052#(<= ULTIMATE.start_main_~i~5 162), 162053#(<= ULTIMATE.start_main_~i~5 163), 162058#(<= ULTIMATE.start_main_~i~5 168), 162059#(<= ULTIMATE.start_main_~i~5 169), 162056#(<= ULTIMATE.start_main_~i~5 166), 162057#(<= ULTIMATE.start_main_~i~5 167), 162062#(<= ULTIMATE.start_main_~i~5 172), 162063#(<= ULTIMATE.start_main_~i~5 173), 162060#(<= ULTIMATE.start_main_~i~5 170), 162061#(<= ULTIMATE.start_main_~i~5 171), 162066#(<= ULTIMATE.start_main_~i~5 176), 162067#(<= ULTIMATE.start_main_~i~5 177), 162064#(<= ULTIMATE.start_main_~i~5 174), 162065#(<= ULTIMATE.start_main_~i~5 175), 162070#(<= ULTIMATE.start_main_~i~5 180), 162071#(<= ULTIMATE.start_main_~i~5 181), 162068#(<= ULTIMATE.start_main_~i~5 178), 162069#(<= ULTIMATE.start_main_~i~5 179), 162074#(<= ULTIMATE.start_main_~i~5 184), 162075#(<= ULTIMATE.start_main_~i~5 185), 162072#(<= ULTIMATE.start_main_~i~5 182), 162073#(<= ULTIMATE.start_main_~i~5 183), 161890#(<= ULTIMATE.start_main_~i~5 0), 161891#(<= ULTIMATE.start_main_~i~5 1), 161888#true, 161889#false, 161894#(<= ULTIMATE.start_main_~i~5 4), 161895#(<= ULTIMATE.start_main_~i~5 5), 161892#(<= ULTIMATE.start_main_~i~5 2), 161893#(<= ULTIMATE.start_main_~i~5 3), 161898#(<= ULTIMATE.start_main_~i~5 8), 161899#(<= ULTIMATE.start_main_~i~5 9), 161896#(<= ULTIMATE.start_main_~i~5 6), 161897#(<= ULTIMATE.start_main_~i~5 7), 161902#(<= ULTIMATE.start_main_~i~5 12), 161903#(<= ULTIMATE.start_main_~i~5 13), 161900#(<= ULTIMATE.start_main_~i~5 10), 161901#(<= ULTIMATE.start_main_~i~5 11), 161906#(<= ULTIMATE.start_main_~i~5 16), 161907#(<= ULTIMATE.start_main_~i~5 17), 161904#(<= ULTIMATE.start_main_~i~5 14), 161905#(<= ULTIMATE.start_main_~i~5 15), 161910#(<= ULTIMATE.start_main_~i~5 20), 161911#(<= ULTIMATE.start_main_~i~5 21), 161908#(<= ULTIMATE.start_main_~i~5 18), 161909#(<= ULTIMATE.start_main_~i~5 19), 161914#(<= ULTIMATE.start_main_~i~5 24), 161915#(<= ULTIMATE.start_main_~i~5 25), 161912#(<= ULTIMATE.start_main_~i~5 22), 161913#(<= ULTIMATE.start_main_~i~5 23), 161918#(<= ULTIMATE.start_main_~i~5 28), 161919#(<= ULTIMATE.start_main_~i~5 29), 161916#(<= ULTIMATE.start_main_~i~5 26), 161917#(<= ULTIMATE.start_main_~i~5 27), 161922#(<= ULTIMATE.start_main_~i~5 32), 161923#(<= ULTIMATE.start_main_~i~5 33), 161920#(<= ULTIMATE.start_main_~i~5 30), 161921#(<= ULTIMATE.start_main_~i~5 31), 161926#(<= ULTIMATE.start_main_~i~5 36), 161927#(<= ULTIMATE.start_main_~i~5 37), 161924#(<= ULTIMATE.start_main_~i~5 34), 161925#(<= ULTIMATE.start_main_~i~5 35), 161930#(<= ULTIMATE.start_main_~i~5 40), 161931#(<= ULTIMATE.start_main_~i~5 41), 161928#(<= ULTIMATE.start_main_~i~5 38), 161929#(<= ULTIMATE.start_main_~i~5 39), 161934#(<= ULTIMATE.start_main_~i~5 44), 161935#(<= ULTIMATE.start_main_~i~5 45), 161932#(<= ULTIMATE.start_main_~i~5 42), 161933#(<= ULTIMATE.start_main_~i~5 43), 161938#(<= ULTIMATE.start_main_~i~5 48), 161939#(<= ULTIMATE.start_main_~i~5 49), 161936#(<= ULTIMATE.start_main_~i~5 46), 161937#(<= ULTIMATE.start_main_~i~5 47), 161942#(<= ULTIMATE.start_main_~i~5 52), 161943#(<= ULTIMATE.start_main_~i~5 53), 161940#(<= ULTIMATE.start_main_~i~5 50), 161941#(<= ULTIMATE.start_main_~i~5 51), 161946#(<= ULTIMATE.start_main_~i~5 56), 161947#(<= ULTIMATE.start_main_~i~5 57), 161944#(<= ULTIMATE.start_main_~i~5 54), 161945#(<= ULTIMATE.start_main_~i~5 55), 161950#(<= ULTIMATE.start_main_~i~5 60), 161951#(<= ULTIMATE.start_main_~i~5 61), 161948#(<= ULTIMATE.start_main_~i~5 58), 161949#(<= ULTIMATE.start_main_~i~5 59), 161954#(<= ULTIMATE.start_main_~i~5 64), 161955#(<= ULTIMATE.start_main_~i~5 65), 161952#(<= ULTIMATE.start_main_~i~5 62), 161953#(<= ULTIMATE.start_main_~i~5 63), 161958#(<= ULTIMATE.start_main_~i~5 68), 161959#(<= ULTIMATE.start_main_~i~5 69), 161956#(<= ULTIMATE.start_main_~i~5 66), 161957#(<= ULTIMATE.start_main_~i~5 67), 161962#(<= ULTIMATE.start_main_~i~5 72), 161963#(<= ULTIMATE.start_main_~i~5 73), 161960#(<= ULTIMATE.start_main_~i~5 70), 161961#(<= ULTIMATE.start_main_~i~5 71), 161966#(<= ULTIMATE.start_main_~i~5 76), 161967#(<= ULTIMATE.start_main_~i~5 77), 161964#(<= ULTIMATE.start_main_~i~5 74), 161965#(<= ULTIMATE.start_main_~i~5 75), 161970#(<= ULTIMATE.start_main_~i~5 80), 161971#(<= ULTIMATE.start_main_~i~5 81), 161968#(<= ULTIMATE.start_main_~i~5 78), 161969#(<= ULTIMATE.start_main_~i~5 79), 161974#(<= ULTIMATE.start_main_~i~5 84), 161975#(<= ULTIMATE.start_main_~i~5 85), 161972#(<= ULTIMATE.start_main_~i~5 82), 161973#(<= ULTIMATE.start_main_~i~5 83), 161978#(<= ULTIMATE.start_main_~i~5 88), 161979#(<= ULTIMATE.start_main_~i~5 89), 161976#(<= ULTIMATE.start_main_~i~5 86), 161977#(<= ULTIMATE.start_main_~i~5 87), 161982#(<= ULTIMATE.start_main_~i~5 92), 161983#(<= ULTIMATE.start_main_~i~5 93), 161980#(<= ULTIMATE.start_main_~i~5 90), 161981#(<= ULTIMATE.start_main_~i~5 91), 161986#(<= ULTIMATE.start_main_~i~5 96), 161987#(<= ULTIMATE.start_main_~i~5 97), 161984#(<= ULTIMATE.start_main_~i~5 94), 161985#(<= ULTIMATE.start_main_~i~5 95), 161990#(<= ULTIMATE.start_main_~i~5 100), 161991#(<= ULTIMATE.start_main_~i~5 101), 161988#(<= ULTIMATE.start_main_~i~5 98), 161989#(<= ULTIMATE.start_main_~i~5 99), 161994#(<= ULTIMATE.start_main_~i~5 104), 161995#(<= ULTIMATE.start_main_~i~5 105), 161992#(<= ULTIMATE.start_main_~i~5 102), 161993#(<= ULTIMATE.start_main_~i~5 103), 161998#(<= ULTIMATE.start_main_~i~5 108), 161999#(<= ULTIMATE.start_main_~i~5 109), 161996#(<= ULTIMATE.start_main_~i~5 106), 161997#(<= ULTIMATE.start_main_~i~5 107), 162002#(<= ULTIMATE.start_main_~i~5 112), 162003#(<= ULTIMATE.start_main_~i~5 113), 162000#(<= ULTIMATE.start_main_~i~5 110), 162001#(<= ULTIMATE.start_main_~i~5 111), 162006#(<= ULTIMATE.start_main_~i~5 116), 162007#(<= ULTIMATE.start_main_~i~5 117), 162004#(<= ULTIMATE.start_main_~i~5 114), 162005#(<= ULTIMATE.start_main_~i~5 115), 162010#(<= ULTIMATE.start_main_~i~5 120), 162011#(<= ULTIMATE.start_main_~i~5 121), 162008#(<= ULTIMATE.start_main_~i~5 118), 162009#(<= ULTIMATE.start_main_~i~5 119), 162014#(<= ULTIMATE.start_main_~i~5 124), 162015#(<= ULTIMATE.start_main_~i~5 125), 162012#(<= ULTIMATE.start_main_~i~5 122), 162013#(<= ULTIMATE.start_main_~i~5 123), 162018#(<= ULTIMATE.start_main_~i~5 128), 162019#(<= ULTIMATE.start_main_~i~5 129), 162016#(<= ULTIMATE.start_main_~i~5 126), 162017#(<= ULTIMATE.start_main_~i~5 127), 162022#(<= ULTIMATE.start_main_~i~5 132), 162023#(<= ULTIMATE.start_main_~i~5 133), 162020#(<= ULTIMATE.start_main_~i~5 130), 162021#(<= ULTIMATE.start_main_~i~5 131), 162026#(<= ULTIMATE.start_main_~i~5 136), 162027#(<= ULTIMATE.start_main_~i~5 137), 162024#(<= ULTIMATE.start_main_~i~5 134), 162025#(<= ULTIMATE.start_main_~i~5 135), 162030#(<= ULTIMATE.start_main_~i~5 140), 162031#(<= ULTIMATE.start_main_~i~5 141), 162028#(<= ULTIMATE.start_main_~i~5 138), 162029#(<= ULTIMATE.start_main_~i~5 139), 162034#(<= ULTIMATE.start_main_~i~5 144), 162035#(<= ULTIMATE.start_main_~i~5 145), 162032#(<= ULTIMATE.start_main_~i~5 142), 162033#(<= ULTIMATE.start_main_~i~5 143), 162038#(<= ULTIMATE.start_main_~i~5 148), 162039#(<= ULTIMATE.start_main_~i~5 149), 162036#(<= ULTIMATE.start_main_~i~5 146), 162037#(<= ULTIMATE.start_main_~i~5 147), 162042#(<= ULTIMATE.start_main_~i~5 152), 162043#(<= ULTIMATE.start_main_~i~5 153), 162040#(<= ULTIMATE.start_main_~i~5 150), 162041#(<= ULTIMATE.start_main_~i~5 151), 162046#(<= ULTIMATE.start_main_~i~5 156), 162047#(<= ULTIMATE.start_main_~i~5 157), 162044#(<= ULTIMATE.start_main_~i~5 154), 162045#(<= ULTIMATE.start_main_~i~5 155)] [2018-07-23 13:43:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 34410 backedges. 0 proven. 34410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,413 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:43:31,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:43:31,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:43:31,416 INFO L87 Difference]: Start difference. First operand 377 states and 378 transitions. Second operand 188 states. [2018-07-23 13:43:32,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:32,486 INFO L93 Difference]: Finished difference Result 383 states and 385 transitions. [2018-07-23 13:43:32,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:43:32,486 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 376 [2018-07-23 13:43:32,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:32,487 INFO L225 Difference]: With dead ends: 383 [2018-07-23 13:43:32,487 INFO L226 Difference]: Without dead ends: 379 [2018-07-23 13:43:32,488 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:43:32,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-07-23 13:43:32,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-07-23 13:43:32,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-07-23 13:43:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 380 transitions. [2018-07-23 13:43:32,492 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 380 transitions. Word has length 376 [2018-07-23 13:43:32,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:32,492 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 380 transitions. [2018-07-23 13:43:32,492 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:43:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 380 transitions. [2018-07-23 13:43:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-07-23 13:43:32,494 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:32,494 INFO L357 BasicCegarLoop]: trace histogram [187, 186, 1, 1, 1, 1, 1] [2018-07-23 13:43:32,494 INFO L414 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:32,494 INFO L82 PathProgramCache]: Analyzing trace with hash -94966061, now seen corresponding path program 186 times [2018-07-23 13:43:32,495 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:34,007 INFO L134 CoverageAnalysis]: Checked inductivity of 34782 backedges. 0 proven. 34782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:34,007 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:34,007 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:43:34,007 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:34,008 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 13:43:34,008 INFO L185 omatonBuilderFactory]: Interpolants [163602#(<= ULTIMATE.start_main_~i~5 0), 163603#(<= ULTIMATE.start_main_~i~5 1), 163600#true, 163601#false, 163606#(<= ULTIMATE.start_main_~i~5 4), 163607#(<= ULTIMATE.start_main_~i~5 5), 163604#(<= ULTIMATE.start_main_~i~5 2), 163605#(<= ULTIMATE.start_main_~i~5 3), 163610#(<= ULTIMATE.start_main_~i~5 8), 163611#(<= ULTIMATE.start_main_~i~5 9), 163608#(<= ULTIMATE.start_main_~i~5 6), 163609#(<= ULTIMATE.start_main_~i~5 7), 163614#(<= ULTIMATE.start_main_~i~5 12), 163615#(<= ULTIMATE.start_main_~i~5 13), 163612#(<= ULTIMATE.start_main_~i~5 10), 163613#(<= ULTIMATE.start_main_~i~5 11), 163618#(<= ULTIMATE.start_main_~i~5 16), 163619#(<= ULTIMATE.start_main_~i~5 17), 163616#(<= ULTIMATE.start_main_~i~5 14), 163617#(<= ULTIMATE.start_main_~i~5 15), 163622#(<= ULTIMATE.start_main_~i~5 20), 163623#(<= ULTIMATE.start_main_~i~5 21), 163620#(<= ULTIMATE.start_main_~i~5 18), 163621#(<= ULTIMATE.start_main_~i~5 19), 163626#(<= ULTIMATE.start_main_~i~5 24), 163627#(<= ULTIMATE.start_main_~i~5 25), 163624#(<= ULTIMATE.start_main_~i~5 22), 163625#(<= ULTIMATE.start_main_~i~5 23), 163630#(<= ULTIMATE.start_main_~i~5 28), 163631#(<= ULTIMATE.start_main_~i~5 29), 163628#(<= ULTIMATE.start_main_~i~5 26), 163629#(<= ULTIMATE.start_main_~i~5 27), 163634#(<= ULTIMATE.start_main_~i~5 32), 163635#(<= ULTIMATE.start_main_~i~5 33), 163632#(<= ULTIMATE.start_main_~i~5 30), 163633#(<= ULTIMATE.start_main_~i~5 31), 163638#(<= ULTIMATE.start_main_~i~5 36), 163639#(<= ULTIMATE.start_main_~i~5 37), 163636#(<= ULTIMATE.start_main_~i~5 34), 163637#(<= ULTIMATE.start_main_~i~5 35), 163642#(<= ULTIMATE.start_main_~i~5 40), 163643#(<= ULTIMATE.start_main_~i~5 41), 163640#(<= ULTIMATE.start_main_~i~5 38), 163641#(<= ULTIMATE.start_main_~i~5 39), 163646#(<= ULTIMATE.start_main_~i~5 44), 163647#(<= ULTIMATE.start_main_~i~5 45), 163644#(<= ULTIMATE.start_main_~i~5 42), 163645#(<= ULTIMATE.start_main_~i~5 43), 163650#(<= ULTIMATE.start_main_~i~5 48), 163651#(<= ULTIMATE.start_main_~i~5 49), 163648#(<= ULTIMATE.start_main_~i~5 46), 163649#(<= ULTIMATE.start_main_~i~5 47), 163654#(<= ULTIMATE.start_main_~i~5 52), 163655#(<= ULTIMATE.start_main_~i~5 53), 163652#(<= ULTIMATE.start_main_~i~5 50), 163653#(<= ULTIMATE.start_main_~i~5 51), 163658#(<= ULTIMATE.start_main_~i~5 56), 163659#(<= ULTIMATE.start_main_~i~5 57), 163656#(<= ULTIMATE.start_main_~i~5 54), 163657#(<= ULTIMATE.start_main_~i~5 55), 163662#(<= ULTIMATE.start_main_~i~5 60), 163663#(<= ULTIMATE.start_main_~i~5 61), 163660#(<= ULTIMATE.start_main_~i~5 58), 163661#(<= ULTIMATE.start_main_~i~5 59), 163666#(<= ULTIMATE.start_main_~i~5 64), 163667#(<= ULTIMATE.start_main_~i~5 65), 163664#(<= ULTIMATE.start_main_~i~5 62), 163665#(<= ULTIMATE.start_main_~i~5 63), 163670#(<= ULTIMATE.start_main_~i~5 68), 163671#(<= ULTIMATE.start_main_~i~5 69), 163668#(<= ULTIMATE.start_main_~i~5 66), 163669#(<= ULTIMATE.start_main_~i~5 67), 163674#(<= ULTIMATE.start_main_~i~5 72), 163675#(<= ULTIMATE.start_main_~i~5 73), 163672#(<= ULTIMATE.start_main_~i~5 70), 163673#(<= ULTIMATE.start_main_~i~5 71), 163678#(<= ULTIMATE.start_main_~i~5 76), 163679#(<= ULTIMATE.start_main_~i~5 77), 163676#(<= ULTIMATE.start_main_~i~5 74), 163677#(<= ULTIMATE.start_main_~i~5 75), 163682#(<= ULTIMATE.start_main_~i~5 80), 163683#(<= ULTIMATE.start_main_~i~5 81), 163680#(<= ULTIMATE.start_main_~i~5 78), 163681#(<= ULTIMATE.start_main_~i~5 79), 163686#(<= ULTIMATE.start_main_~i~5 84), 163687#(<= ULTIMATE.start_main_~i~5 85), 163684#(<= ULTIMATE.start_main_~i~5 82), 163685#(<= ULTIMATE.start_main_~i~5 83), 163690#(<= ULTIMATE.start_main_~i~5 88), 163691#(<= ULTIMATE.start_main_~i~5 89), 163688#(<= ULTIMATE.start_main_~i~5 86), 163689#(<= ULTIMATE.start_main_~i~5 87), 163694#(<= ULTIMATE.start_main_~i~5 92), 163695#(<= ULTIMATE.start_main_~i~5 93), 163692#(<= ULTIMATE.start_main_~i~5 90), 163693#(<= ULTIMATE.start_main_~i~5 91), 163698#(<= ULTIMATE.start_main_~i~5 96), 163699#(<= ULTIMATE.start_main_~i~5 97), 163696#(<= ULTIMATE.start_main_~i~5 94), 163697#(<= ULTIMATE.start_main_~i~5 95), 163702#(<= ULTIMATE.start_main_~i~5 100), 163703#(<= ULTIMATE.start_main_~i~5 101), 163700#(<= ULTIMATE.start_main_~i~5 98), 163701#(<= ULTIMATE.start_main_~i~5 99), 163706#(<= ULTIMATE.start_main_~i~5 104), 163707#(<= ULTIMATE.start_main_~i~5 105), 163704#(<= ULTIMATE.start_main_~i~5 102), 163705#(<= ULTIMATE.start_main_~i~5 103), 163710#(<= ULTIMATE.start_main_~i~5 108), 163711#(<= ULTIMATE.start_main_~i~5 109), 163708#(<= ULTIMATE.start_main_~i~5 106), 163709#(<= ULTIMATE.start_main_~i~5 107), 163714#(<= ULTIMATE.start_main_~i~5 112), 163715#(<= ULTIMATE.start_main_~i~5 113), 163712#(<= ULTIMATE.start_main_~i~5 110), 163713#(<= ULTIMATE.start_main_~i~5 111), 163718#(<= ULTIMATE.start_main_~i~5 116), 163719#(<= ULTIMATE.start_main_~i~5 117), 163716#(<= ULTIMATE.start_main_~i~5 114), 163717#(<= ULTIMATE.start_main_~i~5 115), 163722#(<= ULTIMATE.start_main_~i~5 120), 163723#(<= ULTIMATE.start_main_~i~5 121), 163720#(<= ULTIMATE.start_main_~i~5 118), 163721#(<= ULTIMATE.start_main_~i~5 119), 163726#(<= ULTIMATE.start_main_~i~5 124), 163727#(<= ULTIMATE.start_main_~i~5 125), 163724#(<= ULTIMATE.start_main_~i~5 122), 163725#(<= ULTIMATE.start_main_~i~5 123), 163730#(<= ULTIMATE.start_main_~i~5 128), 163731#(<= ULTIMATE.start_main_~i~5 129), 163728#(<= ULTIMATE.start_main_~i~5 126), 163729#(<= ULTIMATE.start_main_~i~5 127), 163734#(<= ULTIMATE.start_main_~i~5 132), 163735#(<= ULTIMATE.start_main_~i~5 133), 163732#(<= ULTIMATE.start_main_~i~5 130), 163733#(<= ULTIMATE.start_main_~i~5 131), 163738#(<= ULTIMATE.start_main_~i~5 136), 163739#(<= ULTIMATE.start_main_~i~5 137), 163736#(<= ULTIMATE.start_main_~i~5 134), 163737#(<= ULTIMATE.start_main_~i~5 135), 163742#(<= ULTIMATE.start_main_~i~5 140), 163743#(<= ULTIMATE.start_main_~i~5 141), 163740#(<= ULTIMATE.start_main_~i~5 138), 163741#(<= ULTIMATE.start_main_~i~5 139), 163746#(<= ULTIMATE.start_main_~i~5 144), 163747#(<= ULTIMATE.start_main_~i~5 145), 163744#(<= ULTIMATE.start_main_~i~5 142), 163745#(<= ULTIMATE.start_main_~i~5 143), 163750#(<= ULTIMATE.start_main_~i~5 148), 163751#(<= ULTIMATE.start_main_~i~5 149), 163748#(<= ULTIMATE.start_main_~i~5 146), 163749#(<= ULTIMATE.start_main_~i~5 147), 163754#(<= ULTIMATE.start_main_~i~5 152), 163755#(<= ULTIMATE.start_main_~i~5 153), 163752#(<= ULTIMATE.start_main_~i~5 150), 163753#(<= ULTIMATE.start_main_~i~5 151), 163758#(<= ULTIMATE.start_main_~i~5 156), 163759#(<= ULTIMATE.start_main_~i~5 157), 163756#(<= ULTIMATE.start_main_~i~5 154), 163757#(<= ULTIMATE.start_main_~i~5 155), 163762#(<= ULTIMATE.start_main_~i~5 160), 163763#(<= ULTIMATE.start_main_~i~5 161), 163760#(<= ULTIMATE.start_main_~i~5 158), 163761#(<= ULTIMATE.start_main_~i~5 159), 163766#(<= ULTIMATE.start_main_~i~5 164), 163767#(<= ULTIMATE.start_main_~i~5 165), 163764#(<= ULTIMATE.start_main_~i~5 162), 163765#(<= ULTIMATE.start_main_~i~5 163), 163770#(<= ULTIMATE.start_main_~i~5 168), 163771#(<= ULTIMATE.start_main_~i~5 169), 163768#(<= ULTIMATE.start_main_~i~5 166), 163769#(<= ULTIMATE.start_main_~i~5 167), 163774#(<= ULTIMATE.start_main_~i~5 172), 163775#(<= ULTIMATE.start_main_~i~5 173), 163772#(<= ULTIMATE.start_main_~i~5 170), 163773#(<= ULTIMATE.start_main_~i~5 171), 163778#(<= ULTIMATE.start_main_~i~5 176), 163779#(<= ULTIMATE.start_main_~i~5 177), 163776#(<= ULTIMATE.start_main_~i~5 174), 163777#(<= ULTIMATE.start_main_~i~5 175), 163782#(<= ULTIMATE.start_main_~i~5 180), 163783#(<= ULTIMATE.start_main_~i~5 181), 163780#(<= ULTIMATE.start_main_~i~5 178), 163781#(<= ULTIMATE.start_main_~i~5 179), 163786#(<= ULTIMATE.start_main_~i~5 184), 163787#(<= ULTIMATE.start_main_~i~5 185), 163784#(<= ULTIMATE.start_main_~i~5 182), 163785#(<= ULTIMATE.start_main_~i~5 183), 163788#(<= ULTIMATE.start_main_~i~5 186)] [2018-07-23 13:43:34,010 INFO L134 CoverageAnalysis]: Checked inductivity of 34782 backedges. 0 proven. 34782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:34,010 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:43:34,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:43:34,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:43:34,015 INFO L87 Difference]: Start difference. First operand 379 states and 380 transitions. Second operand 189 states. [2018-07-23 13:43:36,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:36,080 INFO L93 Difference]: Finished difference Result 385 states and 387 transitions. [2018-07-23 13:43:36,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:43:36,081 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 378 [2018-07-23 13:43:36,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:36,081 INFO L225 Difference]: With dead ends: 385 [2018-07-23 13:43:36,081 INFO L226 Difference]: Without dead ends: 381 [2018-07-23 13:43:36,083 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:43:36,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-07-23 13:43:36,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-07-23 13:43:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-07-23 13:43:36,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 382 transitions. [2018-07-23 13:43:36,088 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 382 transitions. Word has length 378 [2018-07-23 13:43:36,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:36,088 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 382 transitions. [2018-07-23 13:43:36,088 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:43:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 382 transitions. [2018-07-23 13:43:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-07-23 13:43:36,089 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:36,089 INFO L357 BasicCegarLoop]: trace histogram [188, 187, 1, 1, 1, 1, 1] [2018-07-23 13:43:36,089 INFO L414 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:36,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1151629617, now seen corresponding path program 187 times [2018-07-23 13:43:36,090 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 35156 backedges. 0 proven. 35156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:37,672 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:37,672 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:43:37,672 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:37,673 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 13:43:37,673 INFO L185 omatonBuilderFactory]: Interpolants [165378#(<= ULTIMATE.start_main_~i~5 55), 165379#(<= ULTIMATE.start_main_~i~5 56), 165376#(<= ULTIMATE.start_main_~i~5 53), 165377#(<= ULTIMATE.start_main_~i~5 54), 165382#(<= ULTIMATE.start_main_~i~5 59), 165383#(<= ULTIMATE.start_main_~i~5 60), 165380#(<= ULTIMATE.start_main_~i~5 57), 165381#(<= ULTIMATE.start_main_~i~5 58), 165386#(<= ULTIMATE.start_main_~i~5 63), 165387#(<= ULTIMATE.start_main_~i~5 64), 165384#(<= ULTIMATE.start_main_~i~5 61), 165385#(<= ULTIMATE.start_main_~i~5 62), 165390#(<= ULTIMATE.start_main_~i~5 67), 165391#(<= ULTIMATE.start_main_~i~5 68), 165388#(<= ULTIMATE.start_main_~i~5 65), 165389#(<= ULTIMATE.start_main_~i~5 66), 165394#(<= ULTIMATE.start_main_~i~5 71), 165395#(<= ULTIMATE.start_main_~i~5 72), 165392#(<= ULTIMATE.start_main_~i~5 69), 165393#(<= ULTIMATE.start_main_~i~5 70), 165398#(<= ULTIMATE.start_main_~i~5 75), 165399#(<= ULTIMATE.start_main_~i~5 76), 165396#(<= ULTIMATE.start_main_~i~5 73), 165397#(<= ULTIMATE.start_main_~i~5 74), 165402#(<= ULTIMATE.start_main_~i~5 79), 165403#(<= ULTIMATE.start_main_~i~5 80), 165400#(<= ULTIMATE.start_main_~i~5 77), 165401#(<= ULTIMATE.start_main_~i~5 78), 165406#(<= ULTIMATE.start_main_~i~5 83), 165407#(<= ULTIMATE.start_main_~i~5 84), 165404#(<= ULTIMATE.start_main_~i~5 81), 165405#(<= ULTIMATE.start_main_~i~5 82), 165410#(<= ULTIMATE.start_main_~i~5 87), 165411#(<= ULTIMATE.start_main_~i~5 88), 165408#(<= ULTIMATE.start_main_~i~5 85), 165409#(<= ULTIMATE.start_main_~i~5 86), 165414#(<= ULTIMATE.start_main_~i~5 91), 165415#(<= ULTIMATE.start_main_~i~5 92), 165412#(<= ULTIMATE.start_main_~i~5 89), 165413#(<= ULTIMATE.start_main_~i~5 90), 165418#(<= ULTIMATE.start_main_~i~5 95), 165419#(<= ULTIMATE.start_main_~i~5 96), 165416#(<= ULTIMATE.start_main_~i~5 93), 165417#(<= ULTIMATE.start_main_~i~5 94), 165422#(<= ULTIMATE.start_main_~i~5 99), 165423#(<= ULTIMATE.start_main_~i~5 100), 165420#(<= ULTIMATE.start_main_~i~5 97), 165421#(<= ULTIMATE.start_main_~i~5 98), 165426#(<= ULTIMATE.start_main_~i~5 103), 165427#(<= ULTIMATE.start_main_~i~5 104), 165424#(<= ULTIMATE.start_main_~i~5 101), 165425#(<= ULTIMATE.start_main_~i~5 102), 165430#(<= ULTIMATE.start_main_~i~5 107), 165431#(<= ULTIMATE.start_main_~i~5 108), 165428#(<= ULTIMATE.start_main_~i~5 105), 165429#(<= ULTIMATE.start_main_~i~5 106), 165434#(<= ULTIMATE.start_main_~i~5 111), 165435#(<= ULTIMATE.start_main_~i~5 112), 165432#(<= ULTIMATE.start_main_~i~5 109), 165433#(<= ULTIMATE.start_main_~i~5 110), 165438#(<= ULTIMATE.start_main_~i~5 115), 165439#(<= ULTIMATE.start_main_~i~5 116), 165436#(<= ULTIMATE.start_main_~i~5 113), 165437#(<= ULTIMATE.start_main_~i~5 114), 165442#(<= ULTIMATE.start_main_~i~5 119), 165443#(<= ULTIMATE.start_main_~i~5 120), 165440#(<= ULTIMATE.start_main_~i~5 117), 165441#(<= ULTIMATE.start_main_~i~5 118), 165446#(<= ULTIMATE.start_main_~i~5 123), 165447#(<= ULTIMATE.start_main_~i~5 124), 165444#(<= ULTIMATE.start_main_~i~5 121), 165445#(<= ULTIMATE.start_main_~i~5 122), 165450#(<= ULTIMATE.start_main_~i~5 127), 165451#(<= ULTIMATE.start_main_~i~5 128), 165448#(<= ULTIMATE.start_main_~i~5 125), 165449#(<= ULTIMATE.start_main_~i~5 126), 165454#(<= ULTIMATE.start_main_~i~5 131), 165455#(<= ULTIMATE.start_main_~i~5 132), 165452#(<= ULTIMATE.start_main_~i~5 129), 165453#(<= ULTIMATE.start_main_~i~5 130), 165458#(<= ULTIMATE.start_main_~i~5 135), 165459#(<= ULTIMATE.start_main_~i~5 136), 165456#(<= ULTIMATE.start_main_~i~5 133), 165457#(<= ULTIMATE.start_main_~i~5 134), 165462#(<= ULTIMATE.start_main_~i~5 139), 165463#(<= ULTIMATE.start_main_~i~5 140), 165460#(<= ULTIMATE.start_main_~i~5 137), 165461#(<= ULTIMATE.start_main_~i~5 138), 165466#(<= ULTIMATE.start_main_~i~5 143), 165467#(<= ULTIMATE.start_main_~i~5 144), 165464#(<= ULTIMATE.start_main_~i~5 141), 165465#(<= ULTIMATE.start_main_~i~5 142), 165470#(<= ULTIMATE.start_main_~i~5 147), 165471#(<= ULTIMATE.start_main_~i~5 148), 165468#(<= ULTIMATE.start_main_~i~5 145), 165469#(<= ULTIMATE.start_main_~i~5 146), 165474#(<= ULTIMATE.start_main_~i~5 151), 165475#(<= ULTIMATE.start_main_~i~5 152), 165472#(<= ULTIMATE.start_main_~i~5 149), 165473#(<= ULTIMATE.start_main_~i~5 150), 165478#(<= ULTIMATE.start_main_~i~5 155), 165479#(<= ULTIMATE.start_main_~i~5 156), 165476#(<= ULTIMATE.start_main_~i~5 153), 165477#(<= ULTIMATE.start_main_~i~5 154), 165482#(<= ULTIMATE.start_main_~i~5 159), 165483#(<= ULTIMATE.start_main_~i~5 160), 165480#(<= ULTIMATE.start_main_~i~5 157), 165481#(<= ULTIMATE.start_main_~i~5 158), 165486#(<= ULTIMATE.start_main_~i~5 163), 165487#(<= ULTIMATE.start_main_~i~5 164), 165484#(<= ULTIMATE.start_main_~i~5 161), 165485#(<= ULTIMATE.start_main_~i~5 162), 165490#(<= ULTIMATE.start_main_~i~5 167), 165491#(<= ULTIMATE.start_main_~i~5 168), 165488#(<= ULTIMATE.start_main_~i~5 165), 165489#(<= ULTIMATE.start_main_~i~5 166), 165494#(<= ULTIMATE.start_main_~i~5 171), 165495#(<= ULTIMATE.start_main_~i~5 172), 165492#(<= ULTIMATE.start_main_~i~5 169), 165493#(<= ULTIMATE.start_main_~i~5 170), 165498#(<= ULTIMATE.start_main_~i~5 175), 165499#(<= ULTIMATE.start_main_~i~5 176), 165496#(<= ULTIMATE.start_main_~i~5 173), 165497#(<= ULTIMATE.start_main_~i~5 174), 165502#(<= ULTIMATE.start_main_~i~5 179), 165503#(<= ULTIMATE.start_main_~i~5 180), 165500#(<= ULTIMATE.start_main_~i~5 177), 165501#(<= ULTIMATE.start_main_~i~5 178), 165506#(<= ULTIMATE.start_main_~i~5 183), 165507#(<= ULTIMATE.start_main_~i~5 184), 165504#(<= ULTIMATE.start_main_~i~5 181), 165505#(<= ULTIMATE.start_main_~i~5 182), 165510#(<= ULTIMATE.start_main_~i~5 187), 165508#(<= ULTIMATE.start_main_~i~5 185), 165509#(<= ULTIMATE.start_main_~i~5 186), 165322#false, 165323#(<= ULTIMATE.start_main_~i~5 0), 165321#true, 165326#(<= ULTIMATE.start_main_~i~5 3), 165327#(<= ULTIMATE.start_main_~i~5 4), 165324#(<= ULTIMATE.start_main_~i~5 1), 165325#(<= ULTIMATE.start_main_~i~5 2), 165330#(<= ULTIMATE.start_main_~i~5 7), 165331#(<= ULTIMATE.start_main_~i~5 8), 165328#(<= ULTIMATE.start_main_~i~5 5), 165329#(<= ULTIMATE.start_main_~i~5 6), 165334#(<= ULTIMATE.start_main_~i~5 11), 165335#(<= ULTIMATE.start_main_~i~5 12), 165332#(<= ULTIMATE.start_main_~i~5 9), 165333#(<= ULTIMATE.start_main_~i~5 10), 165338#(<= ULTIMATE.start_main_~i~5 15), 165339#(<= ULTIMATE.start_main_~i~5 16), 165336#(<= ULTIMATE.start_main_~i~5 13), 165337#(<= ULTIMATE.start_main_~i~5 14), 165342#(<= ULTIMATE.start_main_~i~5 19), 165343#(<= ULTIMATE.start_main_~i~5 20), 165340#(<= ULTIMATE.start_main_~i~5 17), 165341#(<= ULTIMATE.start_main_~i~5 18), 165346#(<= ULTIMATE.start_main_~i~5 23), 165347#(<= ULTIMATE.start_main_~i~5 24), 165344#(<= ULTIMATE.start_main_~i~5 21), 165345#(<= ULTIMATE.start_main_~i~5 22), 165350#(<= ULTIMATE.start_main_~i~5 27), 165351#(<= ULTIMATE.start_main_~i~5 28), 165348#(<= ULTIMATE.start_main_~i~5 25), 165349#(<= ULTIMATE.start_main_~i~5 26), 165354#(<= ULTIMATE.start_main_~i~5 31), 165355#(<= ULTIMATE.start_main_~i~5 32), 165352#(<= ULTIMATE.start_main_~i~5 29), 165353#(<= ULTIMATE.start_main_~i~5 30), 165358#(<= ULTIMATE.start_main_~i~5 35), 165359#(<= ULTIMATE.start_main_~i~5 36), 165356#(<= ULTIMATE.start_main_~i~5 33), 165357#(<= ULTIMATE.start_main_~i~5 34), 165362#(<= ULTIMATE.start_main_~i~5 39), 165363#(<= ULTIMATE.start_main_~i~5 40), 165360#(<= ULTIMATE.start_main_~i~5 37), 165361#(<= ULTIMATE.start_main_~i~5 38), 165366#(<= ULTIMATE.start_main_~i~5 43), 165367#(<= ULTIMATE.start_main_~i~5 44), 165364#(<= ULTIMATE.start_main_~i~5 41), 165365#(<= ULTIMATE.start_main_~i~5 42), 165370#(<= ULTIMATE.start_main_~i~5 47), 165371#(<= ULTIMATE.start_main_~i~5 48), 165368#(<= ULTIMATE.start_main_~i~5 45), 165369#(<= ULTIMATE.start_main_~i~5 46), 165374#(<= ULTIMATE.start_main_~i~5 51), 165375#(<= ULTIMATE.start_main_~i~5 52), 165372#(<= ULTIMATE.start_main_~i~5 49), 165373#(<= ULTIMATE.start_main_~i~5 50)] [2018-07-23 13:43:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 35156 backedges. 0 proven. 35156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:37,674 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:43:37,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:43:37,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:43:37,677 INFO L87 Difference]: Start difference. First operand 381 states and 382 transitions. Second operand 190 states. [2018-07-23 13:43:38,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:38,849 INFO L93 Difference]: Finished difference Result 387 states and 389 transitions. [2018-07-23 13:43:38,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:43:38,849 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 380 [2018-07-23 13:43:38,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:38,849 INFO L225 Difference]: With dead ends: 387 [2018-07-23 13:43:38,850 INFO L226 Difference]: Without dead ends: 383 [2018-07-23 13:43:38,850 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 13:43:38,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-07-23 13:43:38,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2018-07-23 13:43:38,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-07-23 13:43:38,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 384 transitions. [2018-07-23 13:43:38,854 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 384 transitions. Word has length 380 [2018-07-23 13:43:38,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:38,855 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 384 transitions. [2018-07-23 13:43:38,855 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:43:38,855 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 384 transitions. [2018-07-23 13:43:38,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-07-23 13:43:38,856 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:38,856 INFO L357 BasicCegarLoop]: trace histogram [189, 188, 1, 1, 1, 1, 1] [2018-07-23 13:43:38,856 INFO L414 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:38,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1301942219, now seen corresponding path program 188 times [2018-07-23 13:43:38,856 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 35532 backedges. 0 proven. 35532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:40,393 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:40,394 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:43:40,394 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:40,394 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 13:43:40,394 INFO L185 omatonBuilderFactory]: Interpolants [167170#(<= ULTIMATE.start_main_~i~5 117), 167171#(<= ULTIMATE.start_main_~i~5 118), 167168#(<= ULTIMATE.start_main_~i~5 115), 167169#(<= ULTIMATE.start_main_~i~5 116), 167174#(<= ULTIMATE.start_main_~i~5 121), 167175#(<= ULTIMATE.start_main_~i~5 122), 167172#(<= ULTIMATE.start_main_~i~5 119), 167173#(<= ULTIMATE.start_main_~i~5 120), 167178#(<= ULTIMATE.start_main_~i~5 125), 167179#(<= ULTIMATE.start_main_~i~5 126), 167176#(<= ULTIMATE.start_main_~i~5 123), 167177#(<= ULTIMATE.start_main_~i~5 124), 167182#(<= ULTIMATE.start_main_~i~5 129), 167183#(<= ULTIMATE.start_main_~i~5 130), 167180#(<= ULTIMATE.start_main_~i~5 127), 167181#(<= ULTIMATE.start_main_~i~5 128), 167186#(<= ULTIMATE.start_main_~i~5 133), 167187#(<= ULTIMATE.start_main_~i~5 134), 167184#(<= ULTIMATE.start_main_~i~5 131), 167185#(<= ULTIMATE.start_main_~i~5 132), 167190#(<= ULTIMATE.start_main_~i~5 137), 167191#(<= ULTIMATE.start_main_~i~5 138), 167188#(<= ULTIMATE.start_main_~i~5 135), 167189#(<= ULTIMATE.start_main_~i~5 136), 167194#(<= ULTIMATE.start_main_~i~5 141), 167195#(<= ULTIMATE.start_main_~i~5 142), 167192#(<= ULTIMATE.start_main_~i~5 139), 167193#(<= ULTIMATE.start_main_~i~5 140), 167198#(<= ULTIMATE.start_main_~i~5 145), 167199#(<= ULTIMATE.start_main_~i~5 146), 167196#(<= ULTIMATE.start_main_~i~5 143), 167197#(<= ULTIMATE.start_main_~i~5 144), 167202#(<= ULTIMATE.start_main_~i~5 149), 167203#(<= ULTIMATE.start_main_~i~5 150), 167200#(<= ULTIMATE.start_main_~i~5 147), 167201#(<= ULTIMATE.start_main_~i~5 148), 167206#(<= ULTIMATE.start_main_~i~5 153), 167207#(<= ULTIMATE.start_main_~i~5 154), 167204#(<= ULTIMATE.start_main_~i~5 151), 167205#(<= ULTIMATE.start_main_~i~5 152), 167210#(<= ULTIMATE.start_main_~i~5 157), 167211#(<= ULTIMATE.start_main_~i~5 158), 167208#(<= ULTIMATE.start_main_~i~5 155), 167209#(<= ULTIMATE.start_main_~i~5 156), 167214#(<= ULTIMATE.start_main_~i~5 161), 167215#(<= ULTIMATE.start_main_~i~5 162), 167212#(<= ULTIMATE.start_main_~i~5 159), 167213#(<= ULTIMATE.start_main_~i~5 160), 167218#(<= ULTIMATE.start_main_~i~5 165), 167219#(<= ULTIMATE.start_main_~i~5 166), 167216#(<= ULTIMATE.start_main_~i~5 163), 167217#(<= ULTIMATE.start_main_~i~5 164), 167222#(<= ULTIMATE.start_main_~i~5 169), 167223#(<= ULTIMATE.start_main_~i~5 170), 167220#(<= ULTIMATE.start_main_~i~5 167), 167221#(<= ULTIMATE.start_main_~i~5 168), 167226#(<= ULTIMATE.start_main_~i~5 173), 167227#(<= ULTIMATE.start_main_~i~5 174), 167224#(<= ULTIMATE.start_main_~i~5 171), 167225#(<= ULTIMATE.start_main_~i~5 172), 167230#(<= ULTIMATE.start_main_~i~5 177), 167231#(<= ULTIMATE.start_main_~i~5 178), 167228#(<= ULTIMATE.start_main_~i~5 175), 167229#(<= ULTIMATE.start_main_~i~5 176), 167234#(<= ULTIMATE.start_main_~i~5 181), 167235#(<= ULTIMATE.start_main_~i~5 182), 167232#(<= ULTIMATE.start_main_~i~5 179), 167233#(<= ULTIMATE.start_main_~i~5 180), 167238#(<= ULTIMATE.start_main_~i~5 185), 167239#(<= ULTIMATE.start_main_~i~5 186), 167236#(<= ULTIMATE.start_main_~i~5 183), 167237#(<= ULTIMATE.start_main_~i~5 184), 167240#(<= ULTIMATE.start_main_~i~5 187), 167241#(<= ULTIMATE.start_main_~i~5 188), 167051#true, 167054#(<= ULTIMATE.start_main_~i~5 1), 167055#(<= ULTIMATE.start_main_~i~5 2), 167052#false, 167053#(<= ULTIMATE.start_main_~i~5 0), 167058#(<= ULTIMATE.start_main_~i~5 5), 167059#(<= ULTIMATE.start_main_~i~5 6), 167056#(<= ULTIMATE.start_main_~i~5 3), 167057#(<= ULTIMATE.start_main_~i~5 4), 167062#(<= ULTIMATE.start_main_~i~5 9), 167063#(<= ULTIMATE.start_main_~i~5 10), 167060#(<= ULTIMATE.start_main_~i~5 7), 167061#(<= ULTIMATE.start_main_~i~5 8), 167066#(<= ULTIMATE.start_main_~i~5 13), 167067#(<= ULTIMATE.start_main_~i~5 14), 167064#(<= ULTIMATE.start_main_~i~5 11), 167065#(<= ULTIMATE.start_main_~i~5 12), 167070#(<= ULTIMATE.start_main_~i~5 17), 167071#(<= ULTIMATE.start_main_~i~5 18), 167068#(<= ULTIMATE.start_main_~i~5 15), 167069#(<= ULTIMATE.start_main_~i~5 16), 167074#(<= ULTIMATE.start_main_~i~5 21), 167075#(<= ULTIMATE.start_main_~i~5 22), 167072#(<= ULTIMATE.start_main_~i~5 19), 167073#(<= ULTIMATE.start_main_~i~5 20), 167078#(<= ULTIMATE.start_main_~i~5 25), 167079#(<= ULTIMATE.start_main_~i~5 26), 167076#(<= ULTIMATE.start_main_~i~5 23), 167077#(<= ULTIMATE.start_main_~i~5 24), 167082#(<= ULTIMATE.start_main_~i~5 29), 167083#(<= ULTIMATE.start_main_~i~5 30), 167080#(<= ULTIMATE.start_main_~i~5 27), 167081#(<= ULTIMATE.start_main_~i~5 28), 167086#(<= ULTIMATE.start_main_~i~5 33), 167087#(<= ULTIMATE.start_main_~i~5 34), 167084#(<= ULTIMATE.start_main_~i~5 31), 167085#(<= ULTIMATE.start_main_~i~5 32), 167090#(<= ULTIMATE.start_main_~i~5 37), 167091#(<= ULTIMATE.start_main_~i~5 38), 167088#(<= ULTIMATE.start_main_~i~5 35), 167089#(<= ULTIMATE.start_main_~i~5 36), 167094#(<= ULTIMATE.start_main_~i~5 41), 167095#(<= ULTIMATE.start_main_~i~5 42), 167092#(<= ULTIMATE.start_main_~i~5 39), 167093#(<= ULTIMATE.start_main_~i~5 40), 167098#(<= ULTIMATE.start_main_~i~5 45), 167099#(<= ULTIMATE.start_main_~i~5 46), 167096#(<= ULTIMATE.start_main_~i~5 43), 167097#(<= ULTIMATE.start_main_~i~5 44), 167102#(<= ULTIMATE.start_main_~i~5 49), 167103#(<= ULTIMATE.start_main_~i~5 50), 167100#(<= ULTIMATE.start_main_~i~5 47), 167101#(<= ULTIMATE.start_main_~i~5 48), 167106#(<= ULTIMATE.start_main_~i~5 53), 167107#(<= ULTIMATE.start_main_~i~5 54), 167104#(<= ULTIMATE.start_main_~i~5 51), 167105#(<= ULTIMATE.start_main_~i~5 52), 167110#(<= ULTIMATE.start_main_~i~5 57), 167111#(<= ULTIMATE.start_main_~i~5 58), 167108#(<= ULTIMATE.start_main_~i~5 55), 167109#(<= ULTIMATE.start_main_~i~5 56), 167114#(<= ULTIMATE.start_main_~i~5 61), 167115#(<= ULTIMATE.start_main_~i~5 62), 167112#(<= ULTIMATE.start_main_~i~5 59), 167113#(<= ULTIMATE.start_main_~i~5 60), 167118#(<= ULTIMATE.start_main_~i~5 65), 167119#(<= ULTIMATE.start_main_~i~5 66), 167116#(<= ULTIMATE.start_main_~i~5 63), 167117#(<= ULTIMATE.start_main_~i~5 64), 167122#(<= ULTIMATE.start_main_~i~5 69), 167123#(<= ULTIMATE.start_main_~i~5 70), 167120#(<= ULTIMATE.start_main_~i~5 67), 167121#(<= ULTIMATE.start_main_~i~5 68), 167126#(<= ULTIMATE.start_main_~i~5 73), 167127#(<= ULTIMATE.start_main_~i~5 74), 167124#(<= ULTIMATE.start_main_~i~5 71), 167125#(<= ULTIMATE.start_main_~i~5 72), 167130#(<= ULTIMATE.start_main_~i~5 77), 167131#(<= ULTIMATE.start_main_~i~5 78), 167128#(<= ULTIMATE.start_main_~i~5 75), 167129#(<= ULTIMATE.start_main_~i~5 76), 167134#(<= ULTIMATE.start_main_~i~5 81), 167135#(<= ULTIMATE.start_main_~i~5 82), 167132#(<= ULTIMATE.start_main_~i~5 79), 167133#(<= ULTIMATE.start_main_~i~5 80), 167138#(<= ULTIMATE.start_main_~i~5 85), 167139#(<= ULTIMATE.start_main_~i~5 86), 167136#(<= ULTIMATE.start_main_~i~5 83), 167137#(<= ULTIMATE.start_main_~i~5 84), 167142#(<= ULTIMATE.start_main_~i~5 89), 167143#(<= ULTIMATE.start_main_~i~5 90), 167140#(<= ULTIMATE.start_main_~i~5 87), 167141#(<= ULTIMATE.start_main_~i~5 88), 167146#(<= ULTIMATE.start_main_~i~5 93), 167147#(<= ULTIMATE.start_main_~i~5 94), 167144#(<= ULTIMATE.start_main_~i~5 91), 167145#(<= ULTIMATE.start_main_~i~5 92), 167150#(<= ULTIMATE.start_main_~i~5 97), 167151#(<= ULTIMATE.start_main_~i~5 98), 167148#(<= ULTIMATE.start_main_~i~5 95), 167149#(<= ULTIMATE.start_main_~i~5 96), 167154#(<= ULTIMATE.start_main_~i~5 101), 167155#(<= ULTIMATE.start_main_~i~5 102), 167152#(<= ULTIMATE.start_main_~i~5 99), 167153#(<= ULTIMATE.start_main_~i~5 100), 167158#(<= ULTIMATE.start_main_~i~5 105), 167159#(<= ULTIMATE.start_main_~i~5 106), 167156#(<= ULTIMATE.start_main_~i~5 103), 167157#(<= ULTIMATE.start_main_~i~5 104), 167162#(<= ULTIMATE.start_main_~i~5 109), 167163#(<= ULTIMATE.start_main_~i~5 110), 167160#(<= ULTIMATE.start_main_~i~5 107), 167161#(<= ULTIMATE.start_main_~i~5 108), 167166#(<= ULTIMATE.start_main_~i~5 113), 167167#(<= ULTIMATE.start_main_~i~5 114), 167164#(<= ULTIMATE.start_main_~i~5 111), 167165#(<= ULTIMATE.start_main_~i~5 112)] [2018-07-23 13:43:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 35532 backedges. 0 proven. 35532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:40,396 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:43:40,400 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:43:40,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:43:40,402 INFO L87 Difference]: Start difference. First operand 383 states and 384 transitions. Second operand 191 states. [2018-07-23 13:43:40,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:40,985 INFO L93 Difference]: Finished difference Result 389 states and 391 transitions. [2018-07-23 13:43:40,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:43:40,985 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 382 [2018-07-23 13:43:40,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:40,985 INFO L225 Difference]: With dead ends: 389 [2018-07-23 13:43:40,985 INFO L226 Difference]: Without dead ends: 385 [2018-07-23 13:43:40,987 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:43:40,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-07-23 13:43:40,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2018-07-23 13:43:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-07-23 13:43:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 386 transitions. [2018-07-23 13:43:40,991 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 386 transitions. Word has length 382 [2018-07-23 13:43:40,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:40,991 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 386 transitions. [2018-07-23 13:43:40,991 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:43:40,991 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 386 transitions. [2018-07-23 13:43:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-07-23 13:43:40,992 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:40,992 INFO L357 BasicCegarLoop]: trace histogram [190, 189, 1, 1, 1, 1, 1] [2018-07-23 13:43:40,993 INFO L414 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:40,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1247431111, now seen corresponding path program 189 times [2018-07-23 13:43:40,993 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 35910 backedges. 0 proven. 35910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:42,732 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:42,733 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:43:42,733 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:42,733 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 13:43:42,733 INFO L185 omatonBuilderFactory]: Interpolants [168962#(<= ULTIMATE.start_main_~i~5 170), 168963#(<= ULTIMATE.start_main_~i~5 171), 168960#(<= ULTIMATE.start_main_~i~5 168), 168961#(<= ULTIMATE.start_main_~i~5 169), 168966#(<= ULTIMATE.start_main_~i~5 174), 168967#(<= ULTIMATE.start_main_~i~5 175), 168964#(<= ULTIMATE.start_main_~i~5 172), 168965#(<= ULTIMATE.start_main_~i~5 173), 168970#(<= ULTIMATE.start_main_~i~5 178), 168971#(<= ULTIMATE.start_main_~i~5 179), 168968#(<= ULTIMATE.start_main_~i~5 176), 168969#(<= ULTIMATE.start_main_~i~5 177), 168974#(<= ULTIMATE.start_main_~i~5 182), 168975#(<= ULTIMATE.start_main_~i~5 183), 168972#(<= ULTIMATE.start_main_~i~5 180), 168973#(<= ULTIMATE.start_main_~i~5 181), 168978#(<= ULTIMATE.start_main_~i~5 186), 168979#(<= ULTIMATE.start_main_~i~5 187), 168976#(<= ULTIMATE.start_main_~i~5 184), 168977#(<= ULTIMATE.start_main_~i~5 185), 168980#(<= ULTIMATE.start_main_~i~5 188), 168981#(<= ULTIMATE.start_main_~i~5 189), 168790#true, 168791#false, 168794#(<= ULTIMATE.start_main_~i~5 2), 168795#(<= ULTIMATE.start_main_~i~5 3), 168792#(<= ULTIMATE.start_main_~i~5 0), 168793#(<= ULTIMATE.start_main_~i~5 1), 168798#(<= ULTIMATE.start_main_~i~5 6), 168799#(<= ULTIMATE.start_main_~i~5 7), 168796#(<= ULTIMATE.start_main_~i~5 4), 168797#(<= ULTIMATE.start_main_~i~5 5), 168802#(<= ULTIMATE.start_main_~i~5 10), 168803#(<= ULTIMATE.start_main_~i~5 11), 168800#(<= ULTIMATE.start_main_~i~5 8), 168801#(<= ULTIMATE.start_main_~i~5 9), 168806#(<= ULTIMATE.start_main_~i~5 14), 168807#(<= ULTIMATE.start_main_~i~5 15), 168804#(<= ULTIMATE.start_main_~i~5 12), 168805#(<= ULTIMATE.start_main_~i~5 13), 168810#(<= ULTIMATE.start_main_~i~5 18), 168811#(<= ULTIMATE.start_main_~i~5 19), 168808#(<= ULTIMATE.start_main_~i~5 16), 168809#(<= ULTIMATE.start_main_~i~5 17), 168814#(<= ULTIMATE.start_main_~i~5 22), 168815#(<= ULTIMATE.start_main_~i~5 23), 168812#(<= ULTIMATE.start_main_~i~5 20), 168813#(<= ULTIMATE.start_main_~i~5 21), 168818#(<= ULTIMATE.start_main_~i~5 26), 168819#(<= ULTIMATE.start_main_~i~5 27), 168816#(<= ULTIMATE.start_main_~i~5 24), 168817#(<= ULTIMATE.start_main_~i~5 25), 168822#(<= ULTIMATE.start_main_~i~5 30), 168823#(<= ULTIMATE.start_main_~i~5 31), 168820#(<= ULTIMATE.start_main_~i~5 28), 168821#(<= ULTIMATE.start_main_~i~5 29), 168826#(<= ULTIMATE.start_main_~i~5 34), 168827#(<= ULTIMATE.start_main_~i~5 35), 168824#(<= ULTIMATE.start_main_~i~5 32), 168825#(<= ULTIMATE.start_main_~i~5 33), 168830#(<= ULTIMATE.start_main_~i~5 38), 168831#(<= ULTIMATE.start_main_~i~5 39), 168828#(<= ULTIMATE.start_main_~i~5 36), 168829#(<= ULTIMATE.start_main_~i~5 37), 168834#(<= ULTIMATE.start_main_~i~5 42), 168835#(<= ULTIMATE.start_main_~i~5 43), 168832#(<= ULTIMATE.start_main_~i~5 40), 168833#(<= ULTIMATE.start_main_~i~5 41), 168838#(<= ULTIMATE.start_main_~i~5 46), 168839#(<= ULTIMATE.start_main_~i~5 47), 168836#(<= ULTIMATE.start_main_~i~5 44), 168837#(<= ULTIMATE.start_main_~i~5 45), 168842#(<= ULTIMATE.start_main_~i~5 50), 168843#(<= ULTIMATE.start_main_~i~5 51), 168840#(<= ULTIMATE.start_main_~i~5 48), 168841#(<= ULTIMATE.start_main_~i~5 49), 168846#(<= ULTIMATE.start_main_~i~5 54), 168847#(<= ULTIMATE.start_main_~i~5 55), 168844#(<= ULTIMATE.start_main_~i~5 52), 168845#(<= ULTIMATE.start_main_~i~5 53), 168850#(<= ULTIMATE.start_main_~i~5 58), 168851#(<= ULTIMATE.start_main_~i~5 59), 168848#(<= ULTIMATE.start_main_~i~5 56), 168849#(<= ULTIMATE.start_main_~i~5 57), 168854#(<= ULTIMATE.start_main_~i~5 62), 168855#(<= ULTIMATE.start_main_~i~5 63), 168852#(<= ULTIMATE.start_main_~i~5 60), 168853#(<= ULTIMATE.start_main_~i~5 61), 168858#(<= ULTIMATE.start_main_~i~5 66), 168859#(<= ULTIMATE.start_main_~i~5 67), 168856#(<= ULTIMATE.start_main_~i~5 64), 168857#(<= ULTIMATE.start_main_~i~5 65), 168862#(<= ULTIMATE.start_main_~i~5 70), 168863#(<= ULTIMATE.start_main_~i~5 71), 168860#(<= ULTIMATE.start_main_~i~5 68), 168861#(<= ULTIMATE.start_main_~i~5 69), 168866#(<= ULTIMATE.start_main_~i~5 74), 168867#(<= ULTIMATE.start_main_~i~5 75), 168864#(<= ULTIMATE.start_main_~i~5 72), 168865#(<= ULTIMATE.start_main_~i~5 73), 168870#(<= ULTIMATE.start_main_~i~5 78), 168871#(<= ULTIMATE.start_main_~i~5 79), 168868#(<= ULTIMATE.start_main_~i~5 76), 168869#(<= ULTIMATE.start_main_~i~5 77), 168874#(<= ULTIMATE.start_main_~i~5 82), 168875#(<= ULTIMATE.start_main_~i~5 83), 168872#(<= ULTIMATE.start_main_~i~5 80), 168873#(<= ULTIMATE.start_main_~i~5 81), 168878#(<= ULTIMATE.start_main_~i~5 86), 168879#(<= ULTIMATE.start_main_~i~5 87), 168876#(<= ULTIMATE.start_main_~i~5 84), 168877#(<= ULTIMATE.start_main_~i~5 85), 168882#(<= ULTIMATE.start_main_~i~5 90), 168883#(<= ULTIMATE.start_main_~i~5 91), 168880#(<= ULTIMATE.start_main_~i~5 88), 168881#(<= ULTIMATE.start_main_~i~5 89), 168886#(<= ULTIMATE.start_main_~i~5 94), 168887#(<= ULTIMATE.start_main_~i~5 95), 168884#(<= ULTIMATE.start_main_~i~5 92), 168885#(<= ULTIMATE.start_main_~i~5 93), 168890#(<= ULTIMATE.start_main_~i~5 98), 168891#(<= ULTIMATE.start_main_~i~5 99), 168888#(<= ULTIMATE.start_main_~i~5 96), 168889#(<= ULTIMATE.start_main_~i~5 97), 168894#(<= ULTIMATE.start_main_~i~5 102), 168895#(<= ULTIMATE.start_main_~i~5 103), 168892#(<= ULTIMATE.start_main_~i~5 100), 168893#(<= ULTIMATE.start_main_~i~5 101), 168898#(<= ULTIMATE.start_main_~i~5 106), 168899#(<= ULTIMATE.start_main_~i~5 107), 168896#(<= ULTIMATE.start_main_~i~5 104), 168897#(<= ULTIMATE.start_main_~i~5 105), 168902#(<= ULTIMATE.start_main_~i~5 110), 168903#(<= ULTIMATE.start_main_~i~5 111), 168900#(<= ULTIMATE.start_main_~i~5 108), 168901#(<= ULTIMATE.start_main_~i~5 109), 168906#(<= ULTIMATE.start_main_~i~5 114), 168907#(<= ULTIMATE.start_main_~i~5 115), 168904#(<= ULTIMATE.start_main_~i~5 112), 168905#(<= ULTIMATE.start_main_~i~5 113), 168910#(<= ULTIMATE.start_main_~i~5 118), 168911#(<= ULTIMATE.start_main_~i~5 119), 168908#(<= ULTIMATE.start_main_~i~5 116), 168909#(<= ULTIMATE.start_main_~i~5 117), 168914#(<= ULTIMATE.start_main_~i~5 122), 168915#(<= ULTIMATE.start_main_~i~5 123), 168912#(<= ULTIMATE.start_main_~i~5 120), 168913#(<= ULTIMATE.start_main_~i~5 121), 168918#(<= ULTIMATE.start_main_~i~5 126), 168919#(<= ULTIMATE.start_main_~i~5 127), 168916#(<= ULTIMATE.start_main_~i~5 124), 168917#(<= ULTIMATE.start_main_~i~5 125), 168922#(<= ULTIMATE.start_main_~i~5 130), 168923#(<= ULTIMATE.start_main_~i~5 131), 168920#(<= ULTIMATE.start_main_~i~5 128), 168921#(<= ULTIMATE.start_main_~i~5 129), 168926#(<= ULTIMATE.start_main_~i~5 134), 168927#(<= ULTIMATE.start_main_~i~5 135), 168924#(<= ULTIMATE.start_main_~i~5 132), 168925#(<= ULTIMATE.start_main_~i~5 133), 168930#(<= ULTIMATE.start_main_~i~5 138), 168931#(<= ULTIMATE.start_main_~i~5 139), 168928#(<= ULTIMATE.start_main_~i~5 136), 168929#(<= ULTIMATE.start_main_~i~5 137), 168934#(<= ULTIMATE.start_main_~i~5 142), 168935#(<= ULTIMATE.start_main_~i~5 143), 168932#(<= ULTIMATE.start_main_~i~5 140), 168933#(<= ULTIMATE.start_main_~i~5 141), 168938#(<= ULTIMATE.start_main_~i~5 146), 168939#(<= ULTIMATE.start_main_~i~5 147), 168936#(<= ULTIMATE.start_main_~i~5 144), 168937#(<= ULTIMATE.start_main_~i~5 145), 168942#(<= ULTIMATE.start_main_~i~5 150), 168943#(<= ULTIMATE.start_main_~i~5 151), 168940#(<= ULTIMATE.start_main_~i~5 148), 168941#(<= ULTIMATE.start_main_~i~5 149), 168946#(<= ULTIMATE.start_main_~i~5 154), 168947#(<= ULTIMATE.start_main_~i~5 155), 168944#(<= ULTIMATE.start_main_~i~5 152), 168945#(<= ULTIMATE.start_main_~i~5 153), 168950#(<= ULTIMATE.start_main_~i~5 158), 168951#(<= ULTIMATE.start_main_~i~5 159), 168948#(<= ULTIMATE.start_main_~i~5 156), 168949#(<= ULTIMATE.start_main_~i~5 157), 168954#(<= ULTIMATE.start_main_~i~5 162), 168955#(<= ULTIMATE.start_main_~i~5 163), 168952#(<= ULTIMATE.start_main_~i~5 160), 168953#(<= ULTIMATE.start_main_~i~5 161), 168958#(<= ULTIMATE.start_main_~i~5 166), 168959#(<= ULTIMATE.start_main_~i~5 167), 168956#(<= ULTIMATE.start_main_~i~5 164), 168957#(<= ULTIMATE.start_main_~i~5 165)] [2018-07-23 13:43:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 35910 backedges. 0 proven. 35910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:42,735 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:43:42,737 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:43:42,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:43:42,738 INFO L87 Difference]: Start difference. First operand 385 states and 386 transitions. Second operand 192 states. [2018-07-23 13:43:44,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:44,053 INFO L93 Difference]: Finished difference Result 391 states and 393 transitions. [2018-07-23 13:43:44,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:43:44,054 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 384 [2018-07-23 13:43:44,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:44,054 INFO L225 Difference]: With dead ends: 391 [2018-07-23 13:43:44,054 INFO L226 Difference]: Without dead ends: 387 [2018-07-23 13:43:44,055 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 13:43:44,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-07-23 13:43:44,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2018-07-23 13:43:44,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-07-23 13:43:44,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 388 transitions. [2018-07-23 13:43:44,061 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 388 transitions. Word has length 384 [2018-07-23 13:43:44,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:44,061 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 388 transitions. [2018-07-23 13:43:44,061 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:43:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 388 transitions. [2018-07-23 13:43:44,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-07-23 13:43:44,063 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:44,063 INFO L357 BasicCegarLoop]: trace histogram [191, 190, 1, 1, 1, 1, 1] [2018-07-23 13:43:44,063 INFO L414 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:44,063 INFO L82 PathProgramCache]: Analyzing trace with hash 401863875, now seen corresponding path program 190 times [2018-07-23 13:43:44,063 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 36290 backedges. 0 proven. 36290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:45,667 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:45,667 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:43:45,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:45,667 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 13:43:45,668 INFO L185 omatonBuilderFactory]: Interpolants [170538#true, 170539#false, 170542#(<= ULTIMATE.start_main_~i~5 2), 170543#(<= ULTIMATE.start_main_~i~5 3), 170540#(<= ULTIMATE.start_main_~i~5 0), 170541#(<= ULTIMATE.start_main_~i~5 1), 170546#(<= ULTIMATE.start_main_~i~5 6), 170547#(<= ULTIMATE.start_main_~i~5 7), 170544#(<= ULTIMATE.start_main_~i~5 4), 170545#(<= ULTIMATE.start_main_~i~5 5), 170550#(<= ULTIMATE.start_main_~i~5 10), 170551#(<= ULTIMATE.start_main_~i~5 11), 170548#(<= ULTIMATE.start_main_~i~5 8), 170549#(<= ULTIMATE.start_main_~i~5 9), 170554#(<= ULTIMATE.start_main_~i~5 14), 170555#(<= ULTIMATE.start_main_~i~5 15), 170552#(<= ULTIMATE.start_main_~i~5 12), 170553#(<= ULTIMATE.start_main_~i~5 13), 170558#(<= ULTIMATE.start_main_~i~5 18), 170559#(<= ULTIMATE.start_main_~i~5 19), 170556#(<= ULTIMATE.start_main_~i~5 16), 170557#(<= ULTIMATE.start_main_~i~5 17), 170562#(<= ULTIMATE.start_main_~i~5 22), 170563#(<= ULTIMATE.start_main_~i~5 23), 170560#(<= ULTIMATE.start_main_~i~5 20), 170561#(<= ULTIMATE.start_main_~i~5 21), 170566#(<= ULTIMATE.start_main_~i~5 26), 170567#(<= ULTIMATE.start_main_~i~5 27), 170564#(<= ULTIMATE.start_main_~i~5 24), 170565#(<= ULTIMATE.start_main_~i~5 25), 170570#(<= ULTIMATE.start_main_~i~5 30), 170571#(<= ULTIMATE.start_main_~i~5 31), 170568#(<= ULTIMATE.start_main_~i~5 28), 170569#(<= ULTIMATE.start_main_~i~5 29), 170574#(<= ULTIMATE.start_main_~i~5 34), 170575#(<= ULTIMATE.start_main_~i~5 35), 170572#(<= ULTIMATE.start_main_~i~5 32), 170573#(<= ULTIMATE.start_main_~i~5 33), 170578#(<= ULTIMATE.start_main_~i~5 38), 170579#(<= ULTIMATE.start_main_~i~5 39), 170576#(<= ULTIMATE.start_main_~i~5 36), 170577#(<= ULTIMATE.start_main_~i~5 37), 170582#(<= ULTIMATE.start_main_~i~5 42), 170583#(<= ULTIMATE.start_main_~i~5 43), 170580#(<= ULTIMATE.start_main_~i~5 40), 170581#(<= ULTIMATE.start_main_~i~5 41), 170586#(<= ULTIMATE.start_main_~i~5 46), 170587#(<= ULTIMATE.start_main_~i~5 47), 170584#(<= ULTIMATE.start_main_~i~5 44), 170585#(<= ULTIMATE.start_main_~i~5 45), 170590#(<= ULTIMATE.start_main_~i~5 50), 170591#(<= ULTIMATE.start_main_~i~5 51), 170588#(<= ULTIMATE.start_main_~i~5 48), 170589#(<= ULTIMATE.start_main_~i~5 49), 170594#(<= ULTIMATE.start_main_~i~5 54), 170595#(<= ULTIMATE.start_main_~i~5 55), 170592#(<= ULTIMATE.start_main_~i~5 52), 170593#(<= ULTIMATE.start_main_~i~5 53), 170598#(<= ULTIMATE.start_main_~i~5 58), 170599#(<= ULTIMATE.start_main_~i~5 59), 170596#(<= ULTIMATE.start_main_~i~5 56), 170597#(<= ULTIMATE.start_main_~i~5 57), 170602#(<= ULTIMATE.start_main_~i~5 62), 170603#(<= ULTIMATE.start_main_~i~5 63), 170600#(<= ULTIMATE.start_main_~i~5 60), 170601#(<= ULTIMATE.start_main_~i~5 61), 170606#(<= ULTIMATE.start_main_~i~5 66), 170607#(<= ULTIMATE.start_main_~i~5 67), 170604#(<= ULTIMATE.start_main_~i~5 64), 170605#(<= ULTIMATE.start_main_~i~5 65), 170610#(<= ULTIMATE.start_main_~i~5 70), 170611#(<= ULTIMATE.start_main_~i~5 71), 170608#(<= ULTIMATE.start_main_~i~5 68), 170609#(<= ULTIMATE.start_main_~i~5 69), 170614#(<= ULTIMATE.start_main_~i~5 74), 170615#(<= ULTIMATE.start_main_~i~5 75), 170612#(<= ULTIMATE.start_main_~i~5 72), 170613#(<= ULTIMATE.start_main_~i~5 73), 170618#(<= ULTIMATE.start_main_~i~5 78), 170619#(<= ULTIMATE.start_main_~i~5 79), 170616#(<= ULTIMATE.start_main_~i~5 76), 170617#(<= ULTIMATE.start_main_~i~5 77), 170622#(<= ULTIMATE.start_main_~i~5 82), 170623#(<= ULTIMATE.start_main_~i~5 83), 170620#(<= ULTIMATE.start_main_~i~5 80), 170621#(<= ULTIMATE.start_main_~i~5 81), 170626#(<= ULTIMATE.start_main_~i~5 86), 170627#(<= ULTIMATE.start_main_~i~5 87), 170624#(<= ULTIMATE.start_main_~i~5 84), 170625#(<= ULTIMATE.start_main_~i~5 85), 170630#(<= ULTIMATE.start_main_~i~5 90), 170631#(<= ULTIMATE.start_main_~i~5 91), 170628#(<= ULTIMATE.start_main_~i~5 88), 170629#(<= ULTIMATE.start_main_~i~5 89), 170634#(<= ULTIMATE.start_main_~i~5 94), 170635#(<= ULTIMATE.start_main_~i~5 95), 170632#(<= ULTIMATE.start_main_~i~5 92), 170633#(<= ULTIMATE.start_main_~i~5 93), 170638#(<= ULTIMATE.start_main_~i~5 98), 170639#(<= ULTIMATE.start_main_~i~5 99), 170636#(<= ULTIMATE.start_main_~i~5 96), 170637#(<= ULTIMATE.start_main_~i~5 97), 170642#(<= ULTIMATE.start_main_~i~5 102), 170643#(<= ULTIMATE.start_main_~i~5 103), 170640#(<= ULTIMATE.start_main_~i~5 100), 170641#(<= ULTIMATE.start_main_~i~5 101), 170646#(<= ULTIMATE.start_main_~i~5 106), 170647#(<= ULTIMATE.start_main_~i~5 107), 170644#(<= ULTIMATE.start_main_~i~5 104), 170645#(<= ULTIMATE.start_main_~i~5 105), 170650#(<= ULTIMATE.start_main_~i~5 110), 170651#(<= ULTIMATE.start_main_~i~5 111), 170648#(<= ULTIMATE.start_main_~i~5 108), 170649#(<= ULTIMATE.start_main_~i~5 109), 170654#(<= ULTIMATE.start_main_~i~5 114), 170655#(<= ULTIMATE.start_main_~i~5 115), 170652#(<= ULTIMATE.start_main_~i~5 112), 170653#(<= ULTIMATE.start_main_~i~5 113), 170658#(<= ULTIMATE.start_main_~i~5 118), 170659#(<= ULTIMATE.start_main_~i~5 119), 170656#(<= ULTIMATE.start_main_~i~5 116), 170657#(<= ULTIMATE.start_main_~i~5 117), 170662#(<= ULTIMATE.start_main_~i~5 122), 170663#(<= ULTIMATE.start_main_~i~5 123), 170660#(<= ULTIMATE.start_main_~i~5 120), 170661#(<= ULTIMATE.start_main_~i~5 121), 170666#(<= ULTIMATE.start_main_~i~5 126), 170667#(<= ULTIMATE.start_main_~i~5 127), 170664#(<= ULTIMATE.start_main_~i~5 124), 170665#(<= ULTIMATE.start_main_~i~5 125), 170670#(<= ULTIMATE.start_main_~i~5 130), 170671#(<= ULTIMATE.start_main_~i~5 131), 170668#(<= ULTIMATE.start_main_~i~5 128), 170669#(<= ULTIMATE.start_main_~i~5 129), 170674#(<= ULTIMATE.start_main_~i~5 134), 170675#(<= ULTIMATE.start_main_~i~5 135), 170672#(<= ULTIMATE.start_main_~i~5 132), 170673#(<= ULTIMATE.start_main_~i~5 133), 170678#(<= ULTIMATE.start_main_~i~5 138), 170679#(<= ULTIMATE.start_main_~i~5 139), 170676#(<= ULTIMATE.start_main_~i~5 136), 170677#(<= ULTIMATE.start_main_~i~5 137), 170682#(<= ULTIMATE.start_main_~i~5 142), 170683#(<= ULTIMATE.start_main_~i~5 143), 170680#(<= ULTIMATE.start_main_~i~5 140), 170681#(<= ULTIMATE.start_main_~i~5 141), 170686#(<= ULTIMATE.start_main_~i~5 146), 170687#(<= ULTIMATE.start_main_~i~5 147), 170684#(<= ULTIMATE.start_main_~i~5 144), 170685#(<= ULTIMATE.start_main_~i~5 145), 170690#(<= ULTIMATE.start_main_~i~5 150), 170691#(<= ULTIMATE.start_main_~i~5 151), 170688#(<= ULTIMATE.start_main_~i~5 148), 170689#(<= ULTIMATE.start_main_~i~5 149), 170694#(<= ULTIMATE.start_main_~i~5 154), 170695#(<= ULTIMATE.start_main_~i~5 155), 170692#(<= ULTIMATE.start_main_~i~5 152), 170693#(<= ULTIMATE.start_main_~i~5 153), 170698#(<= ULTIMATE.start_main_~i~5 158), 170699#(<= ULTIMATE.start_main_~i~5 159), 170696#(<= ULTIMATE.start_main_~i~5 156), 170697#(<= ULTIMATE.start_main_~i~5 157), 170702#(<= ULTIMATE.start_main_~i~5 162), 170703#(<= ULTIMATE.start_main_~i~5 163), 170700#(<= ULTIMATE.start_main_~i~5 160), 170701#(<= ULTIMATE.start_main_~i~5 161), 170706#(<= ULTIMATE.start_main_~i~5 166), 170707#(<= ULTIMATE.start_main_~i~5 167), 170704#(<= ULTIMATE.start_main_~i~5 164), 170705#(<= ULTIMATE.start_main_~i~5 165), 170710#(<= ULTIMATE.start_main_~i~5 170), 170711#(<= ULTIMATE.start_main_~i~5 171), 170708#(<= ULTIMATE.start_main_~i~5 168), 170709#(<= ULTIMATE.start_main_~i~5 169), 170714#(<= ULTIMATE.start_main_~i~5 174), 170715#(<= ULTIMATE.start_main_~i~5 175), 170712#(<= ULTIMATE.start_main_~i~5 172), 170713#(<= ULTIMATE.start_main_~i~5 173), 170718#(<= ULTIMATE.start_main_~i~5 178), 170719#(<= ULTIMATE.start_main_~i~5 179), 170716#(<= ULTIMATE.start_main_~i~5 176), 170717#(<= ULTIMATE.start_main_~i~5 177), 170722#(<= ULTIMATE.start_main_~i~5 182), 170723#(<= ULTIMATE.start_main_~i~5 183), 170720#(<= ULTIMATE.start_main_~i~5 180), 170721#(<= ULTIMATE.start_main_~i~5 181), 170726#(<= ULTIMATE.start_main_~i~5 186), 170727#(<= ULTIMATE.start_main_~i~5 187), 170724#(<= ULTIMATE.start_main_~i~5 184), 170725#(<= ULTIMATE.start_main_~i~5 185), 170730#(<= ULTIMATE.start_main_~i~5 190), 170728#(<= ULTIMATE.start_main_~i~5 188), 170729#(<= ULTIMATE.start_main_~i~5 189)] [2018-07-23 13:43:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 36290 backedges. 0 proven. 36290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:45,670 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:43:45,674 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:43:45,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:43:45,676 INFO L87 Difference]: Start difference. First operand 387 states and 388 transitions. Second operand 193 states. [2018-07-23 13:43:47,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:47,876 INFO L93 Difference]: Finished difference Result 393 states and 395 transitions. [2018-07-23 13:43:47,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:43:47,877 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 386 [2018-07-23 13:43:47,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:47,878 INFO L225 Difference]: With dead ends: 393 [2018-07-23 13:43:47,878 INFO L226 Difference]: Without dead ends: 389 [2018-07-23 13:43:47,880 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 13:43:47,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-07-23 13:43:47,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2018-07-23 13:43:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-07-23 13:43:47,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 390 transitions. [2018-07-23 13:43:47,885 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 390 transitions. Word has length 386 [2018-07-23 13:43:47,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:47,885 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 390 transitions. [2018-07-23 13:43:47,885 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:43:47,885 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 390 transitions. [2018-07-23 13:43:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-07-23 13:43:47,886 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:47,886 INFO L357 BasicCegarLoop]: trace histogram [192, 191, 1, 1, 1, 1, 1] [2018-07-23 13:43:47,887 INFO L414 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:47,887 INFO L82 PathProgramCache]: Analyzing trace with hash -439430977, now seen corresponding path program 191 times [2018-07-23 13:43:47,887 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 36672 backedges. 0 proven. 36672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:49,570 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:49,570 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:43:49,570 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:49,571 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 13:43:49,571 INFO L185 omatonBuilderFactory]: Interpolants [172295#true, 172298#(<= ULTIMATE.start_main_~i~5 1), 172299#(<= ULTIMATE.start_main_~i~5 2), 172296#false, 172297#(<= ULTIMATE.start_main_~i~5 0), 172302#(<= ULTIMATE.start_main_~i~5 5), 172303#(<= ULTIMATE.start_main_~i~5 6), 172300#(<= ULTIMATE.start_main_~i~5 3), 172301#(<= ULTIMATE.start_main_~i~5 4), 172306#(<= ULTIMATE.start_main_~i~5 9), 172307#(<= ULTIMATE.start_main_~i~5 10), 172304#(<= ULTIMATE.start_main_~i~5 7), 172305#(<= ULTIMATE.start_main_~i~5 8), 172310#(<= ULTIMATE.start_main_~i~5 13), 172311#(<= ULTIMATE.start_main_~i~5 14), 172308#(<= ULTIMATE.start_main_~i~5 11), 172309#(<= ULTIMATE.start_main_~i~5 12), 172314#(<= ULTIMATE.start_main_~i~5 17), 172315#(<= ULTIMATE.start_main_~i~5 18), 172312#(<= ULTIMATE.start_main_~i~5 15), 172313#(<= ULTIMATE.start_main_~i~5 16), 172318#(<= ULTIMATE.start_main_~i~5 21), 172319#(<= ULTIMATE.start_main_~i~5 22), 172316#(<= ULTIMATE.start_main_~i~5 19), 172317#(<= ULTIMATE.start_main_~i~5 20), 172322#(<= ULTIMATE.start_main_~i~5 25), 172323#(<= ULTIMATE.start_main_~i~5 26), 172320#(<= ULTIMATE.start_main_~i~5 23), 172321#(<= ULTIMATE.start_main_~i~5 24), 172326#(<= ULTIMATE.start_main_~i~5 29), 172327#(<= ULTIMATE.start_main_~i~5 30), 172324#(<= ULTIMATE.start_main_~i~5 27), 172325#(<= ULTIMATE.start_main_~i~5 28), 172330#(<= ULTIMATE.start_main_~i~5 33), 172331#(<= ULTIMATE.start_main_~i~5 34), 172328#(<= ULTIMATE.start_main_~i~5 31), 172329#(<= ULTIMATE.start_main_~i~5 32), 172334#(<= ULTIMATE.start_main_~i~5 37), 172335#(<= ULTIMATE.start_main_~i~5 38), 172332#(<= ULTIMATE.start_main_~i~5 35), 172333#(<= ULTIMATE.start_main_~i~5 36), 172338#(<= ULTIMATE.start_main_~i~5 41), 172339#(<= ULTIMATE.start_main_~i~5 42), 172336#(<= ULTIMATE.start_main_~i~5 39), 172337#(<= ULTIMATE.start_main_~i~5 40), 172342#(<= ULTIMATE.start_main_~i~5 45), 172343#(<= ULTIMATE.start_main_~i~5 46), 172340#(<= ULTIMATE.start_main_~i~5 43), 172341#(<= ULTIMATE.start_main_~i~5 44), 172346#(<= ULTIMATE.start_main_~i~5 49), 172347#(<= ULTIMATE.start_main_~i~5 50), 172344#(<= ULTIMATE.start_main_~i~5 47), 172345#(<= ULTIMATE.start_main_~i~5 48), 172350#(<= ULTIMATE.start_main_~i~5 53), 172351#(<= ULTIMATE.start_main_~i~5 54), 172348#(<= ULTIMATE.start_main_~i~5 51), 172349#(<= ULTIMATE.start_main_~i~5 52), 172354#(<= ULTIMATE.start_main_~i~5 57), 172355#(<= ULTIMATE.start_main_~i~5 58), 172352#(<= ULTIMATE.start_main_~i~5 55), 172353#(<= ULTIMATE.start_main_~i~5 56), 172358#(<= ULTIMATE.start_main_~i~5 61), 172359#(<= ULTIMATE.start_main_~i~5 62), 172356#(<= ULTIMATE.start_main_~i~5 59), 172357#(<= ULTIMATE.start_main_~i~5 60), 172362#(<= ULTIMATE.start_main_~i~5 65), 172363#(<= ULTIMATE.start_main_~i~5 66), 172360#(<= ULTIMATE.start_main_~i~5 63), 172361#(<= ULTIMATE.start_main_~i~5 64), 172366#(<= ULTIMATE.start_main_~i~5 69), 172367#(<= ULTIMATE.start_main_~i~5 70), 172364#(<= ULTIMATE.start_main_~i~5 67), 172365#(<= ULTIMATE.start_main_~i~5 68), 172370#(<= ULTIMATE.start_main_~i~5 73), 172371#(<= ULTIMATE.start_main_~i~5 74), 172368#(<= ULTIMATE.start_main_~i~5 71), 172369#(<= ULTIMATE.start_main_~i~5 72), 172374#(<= ULTIMATE.start_main_~i~5 77), 172375#(<= ULTIMATE.start_main_~i~5 78), 172372#(<= ULTIMATE.start_main_~i~5 75), 172373#(<= ULTIMATE.start_main_~i~5 76), 172378#(<= ULTIMATE.start_main_~i~5 81), 172379#(<= ULTIMATE.start_main_~i~5 82), 172376#(<= ULTIMATE.start_main_~i~5 79), 172377#(<= ULTIMATE.start_main_~i~5 80), 172382#(<= ULTIMATE.start_main_~i~5 85), 172383#(<= ULTIMATE.start_main_~i~5 86), 172380#(<= ULTIMATE.start_main_~i~5 83), 172381#(<= ULTIMATE.start_main_~i~5 84), 172386#(<= ULTIMATE.start_main_~i~5 89), 172387#(<= ULTIMATE.start_main_~i~5 90), 172384#(<= ULTIMATE.start_main_~i~5 87), 172385#(<= ULTIMATE.start_main_~i~5 88), 172390#(<= ULTIMATE.start_main_~i~5 93), 172391#(<= ULTIMATE.start_main_~i~5 94), 172388#(<= ULTIMATE.start_main_~i~5 91), 172389#(<= ULTIMATE.start_main_~i~5 92), 172394#(<= ULTIMATE.start_main_~i~5 97), 172395#(<= ULTIMATE.start_main_~i~5 98), 172392#(<= ULTIMATE.start_main_~i~5 95), 172393#(<= ULTIMATE.start_main_~i~5 96), 172398#(<= ULTIMATE.start_main_~i~5 101), 172399#(<= ULTIMATE.start_main_~i~5 102), 172396#(<= ULTIMATE.start_main_~i~5 99), 172397#(<= ULTIMATE.start_main_~i~5 100), 172402#(<= ULTIMATE.start_main_~i~5 105), 172403#(<= ULTIMATE.start_main_~i~5 106), 172400#(<= ULTIMATE.start_main_~i~5 103), 172401#(<= ULTIMATE.start_main_~i~5 104), 172406#(<= ULTIMATE.start_main_~i~5 109), 172407#(<= ULTIMATE.start_main_~i~5 110), 172404#(<= ULTIMATE.start_main_~i~5 107), 172405#(<= ULTIMATE.start_main_~i~5 108), 172410#(<= ULTIMATE.start_main_~i~5 113), 172411#(<= ULTIMATE.start_main_~i~5 114), 172408#(<= ULTIMATE.start_main_~i~5 111), 172409#(<= ULTIMATE.start_main_~i~5 112), 172414#(<= ULTIMATE.start_main_~i~5 117), 172415#(<= ULTIMATE.start_main_~i~5 118), 172412#(<= ULTIMATE.start_main_~i~5 115), 172413#(<= ULTIMATE.start_main_~i~5 116), 172418#(<= ULTIMATE.start_main_~i~5 121), 172419#(<= ULTIMATE.start_main_~i~5 122), 172416#(<= ULTIMATE.start_main_~i~5 119), 172417#(<= ULTIMATE.start_main_~i~5 120), 172422#(<= ULTIMATE.start_main_~i~5 125), 172423#(<= ULTIMATE.start_main_~i~5 126), 172420#(<= ULTIMATE.start_main_~i~5 123), 172421#(<= ULTIMATE.start_main_~i~5 124), 172426#(<= ULTIMATE.start_main_~i~5 129), 172427#(<= ULTIMATE.start_main_~i~5 130), 172424#(<= ULTIMATE.start_main_~i~5 127), 172425#(<= ULTIMATE.start_main_~i~5 128), 172430#(<= ULTIMATE.start_main_~i~5 133), 172431#(<= ULTIMATE.start_main_~i~5 134), 172428#(<= ULTIMATE.start_main_~i~5 131), 172429#(<= ULTIMATE.start_main_~i~5 132), 172434#(<= ULTIMATE.start_main_~i~5 137), 172435#(<= ULTIMATE.start_main_~i~5 138), 172432#(<= ULTIMATE.start_main_~i~5 135), 172433#(<= ULTIMATE.start_main_~i~5 136), 172438#(<= ULTIMATE.start_main_~i~5 141), 172439#(<= ULTIMATE.start_main_~i~5 142), 172436#(<= ULTIMATE.start_main_~i~5 139), 172437#(<= ULTIMATE.start_main_~i~5 140), 172442#(<= ULTIMATE.start_main_~i~5 145), 172443#(<= ULTIMATE.start_main_~i~5 146), 172440#(<= ULTIMATE.start_main_~i~5 143), 172441#(<= ULTIMATE.start_main_~i~5 144), 172446#(<= ULTIMATE.start_main_~i~5 149), 172447#(<= ULTIMATE.start_main_~i~5 150), 172444#(<= ULTIMATE.start_main_~i~5 147), 172445#(<= ULTIMATE.start_main_~i~5 148), 172450#(<= ULTIMATE.start_main_~i~5 153), 172451#(<= ULTIMATE.start_main_~i~5 154), 172448#(<= ULTIMATE.start_main_~i~5 151), 172449#(<= ULTIMATE.start_main_~i~5 152), 172454#(<= ULTIMATE.start_main_~i~5 157), 172455#(<= ULTIMATE.start_main_~i~5 158), 172452#(<= ULTIMATE.start_main_~i~5 155), 172453#(<= ULTIMATE.start_main_~i~5 156), 172458#(<= ULTIMATE.start_main_~i~5 161), 172459#(<= ULTIMATE.start_main_~i~5 162), 172456#(<= ULTIMATE.start_main_~i~5 159), 172457#(<= ULTIMATE.start_main_~i~5 160), 172462#(<= ULTIMATE.start_main_~i~5 165), 172463#(<= ULTIMATE.start_main_~i~5 166), 172460#(<= ULTIMATE.start_main_~i~5 163), 172461#(<= ULTIMATE.start_main_~i~5 164), 172466#(<= ULTIMATE.start_main_~i~5 169), 172467#(<= ULTIMATE.start_main_~i~5 170), 172464#(<= ULTIMATE.start_main_~i~5 167), 172465#(<= ULTIMATE.start_main_~i~5 168), 172470#(<= ULTIMATE.start_main_~i~5 173), 172471#(<= ULTIMATE.start_main_~i~5 174), 172468#(<= ULTIMATE.start_main_~i~5 171), 172469#(<= ULTIMATE.start_main_~i~5 172), 172474#(<= ULTIMATE.start_main_~i~5 177), 172475#(<= ULTIMATE.start_main_~i~5 178), 172472#(<= ULTIMATE.start_main_~i~5 175), 172473#(<= ULTIMATE.start_main_~i~5 176), 172478#(<= ULTIMATE.start_main_~i~5 181), 172479#(<= ULTIMATE.start_main_~i~5 182), 172476#(<= ULTIMATE.start_main_~i~5 179), 172477#(<= ULTIMATE.start_main_~i~5 180), 172482#(<= ULTIMATE.start_main_~i~5 185), 172483#(<= ULTIMATE.start_main_~i~5 186), 172480#(<= ULTIMATE.start_main_~i~5 183), 172481#(<= ULTIMATE.start_main_~i~5 184), 172486#(<= ULTIMATE.start_main_~i~5 189), 172487#(<= ULTIMATE.start_main_~i~5 190), 172484#(<= ULTIMATE.start_main_~i~5 187), 172485#(<= ULTIMATE.start_main_~i~5 188), 172488#(<= ULTIMATE.start_main_~i~5 191)] [2018-07-23 13:43:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 36672 backedges. 0 proven. 36672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:49,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:43:49,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:43:49,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:43:49,579 INFO L87 Difference]: Start difference. First operand 389 states and 390 transitions. Second operand 194 states. [2018-07-23 13:43:51,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:51,943 INFO L93 Difference]: Finished difference Result 395 states and 397 transitions. [2018-07-23 13:43:51,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:43:51,944 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 388 [2018-07-23 13:43:51,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:51,944 INFO L225 Difference]: With dead ends: 395 [2018-07-23 13:43:51,944 INFO L226 Difference]: Without dead ends: 391 [2018-07-23 13:43:51,946 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:43:51,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-07-23 13:43:51,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2018-07-23 13:43:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-07-23 13:43:51,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 392 transitions. [2018-07-23 13:43:51,951 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 392 transitions. Word has length 388 [2018-07-23 13:43:51,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:51,952 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 392 transitions. [2018-07-23 13:43:51,952 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:43:51,952 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 392 transitions. [2018-07-23 13:43:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-07-23 13:43:51,953 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:51,954 INFO L357 BasicCegarLoop]: trace histogram [193, 192, 1, 1, 1, 1, 1] [2018-07-23 13:43:51,954 INFO L414 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:51,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1469932101, now seen corresponding path program 192 times [2018-07-23 13:43:51,954 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:53,624 INFO L134 CoverageAnalysis]: Checked inductivity of 37056 backedges. 0 proven. 37056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:53,624 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:53,624 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:43:53,624 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:53,625 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 13:43:53,625 INFO L185 omatonBuilderFactory]: Interpolants [174082#(<= ULTIMATE.start_main_~i~5 19), 174083#(<= ULTIMATE.start_main_~i~5 20), 174080#(<= ULTIMATE.start_main_~i~5 17), 174081#(<= ULTIMATE.start_main_~i~5 18), 174086#(<= ULTIMATE.start_main_~i~5 23), 174087#(<= ULTIMATE.start_main_~i~5 24), 174084#(<= ULTIMATE.start_main_~i~5 21), 174085#(<= ULTIMATE.start_main_~i~5 22), 174090#(<= ULTIMATE.start_main_~i~5 27), 174091#(<= ULTIMATE.start_main_~i~5 28), 174088#(<= ULTIMATE.start_main_~i~5 25), 174089#(<= ULTIMATE.start_main_~i~5 26), 174094#(<= ULTIMATE.start_main_~i~5 31), 174095#(<= ULTIMATE.start_main_~i~5 32), 174092#(<= ULTIMATE.start_main_~i~5 29), 174093#(<= ULTIMATE.start_main_~i~5 30), 174098#(<= ULTIMATE.start_main_~i~5 35), 174099#(<= ULTIMATE.start_main_~i~5 36), 174096#(<= ULTIMATE.start_main_~i~5 33), 174097#(<= ULTIMATE.start_main_~i~5 34), 174102#(<= ULTIMATE.start_main_~i~5 39), 174103#(<= ULTIMATE.start_main_~i~5 40), 174100#(<= ULTIMATE.start_main_~i~5 37), 174101#(<= ULTIMATE.start_main_~i~5 38), 174106#(<= ULTIMATE.start_main_~i~5 43), 174107#(<= ULTIMATE.start_main_~i~5 44), 174104#(<= ULTIMATE.start_main_~i~5 41), 174105#(<= ULTIMATE.start_main_~i~5 42), 174110#(<= ULTIMATE.start_main_~i~5 47), 174111#(<= ULTIMATE.start_main_~i~5 48), 174108#(<= ULTIMATE.start_main_~i~5 45), 174109#(<= ULTIMATE.start_main_~i~5 46), 174114#(<= ULTIMATE.start_main_~i~5 51), 174115#(<= ULTIMATE.start_main_~i~5 52), 174112#(<= ULTIMATE.start_main_~i~5 49), 174113#(<= ULTIMATE.start_main_~i~5 50), 174118#(<= ULTIMATE.start_main_~i~5 55), 174119#(<= ULTIMATE.start_main_~i~5 56), 174116#(<= ULTIMATE.start_main_~i~5 53), 174117#(<= ULTIMATE.start_main_~i~5 54), 174122#(<= ULTIMATE.start_main_~i~5 59), 174123#(<= ULTIMATE.start_main_~i~5 60), 174120#(<= ULTIMATE.start_main_~i~5 57), 174121#(<= ULTIMATE.start_main_~i~5 58), 174126#(<= ULTIMATE.start_main_~i~5 63), 174127#(<= ULTIMATE.start_main_~i~5 64), 174124#(<= ULTIMATE.start_main_~i~5 61), 174125#(<= ULTIMATE.start_main_~i~5 62), 174130#(<= ULTIMATE.start_main_~i~5 67), 174131#(<= ULTIMATE.start_main_~i~5 68), 174128#(<= ULTIMATE.start_main_~i~5 65), 174129#(<= ULTIMATE.start_main_~i~5 66), 174134#(<= ULTIMATE.start_main_~i~5 71), 174135#(<= ULTIMATE.start_main_~i~5 72), 174132#(<= ULTIMATE.start_main_~i~5 69), 174133#(<= ULTIMATE.start_main_~i~5 70), 174138#(<= ULTIMATE.start_main_~i~5 75), 174139#(<= ULTIMATE.start_main_~i~5 76), 174136#(<= ULTIMATE.start_main_~i~5 73), 174137#(<= ULTIMATE.start_main_~i~5 74), 174142#(<= ULTIMATE.start_main_~i~5 79), 174143#(<= ULTIMATE.start_main_~i~5 80), 174140#(<= ULTIMATE.start_main_~i~5 77), 174141#(<= ULTIMATE.start_main_~i~5 78), 174146#(<= ULTIMATE.start_main_~i~5 83), 174147#(<= ULTIMATE.start_main_~i~5 84), 174144#(<= ULTIMATE.start_main_~i~5 81), 174145#(<= ULTIMATE.start_main_~i~5 82), 174150#(<= ULTIMATE.start_main_~i~5 87), 174151#(<= ULTIMATE.start_main_~i~5 88), 174148#(<= ULTIMATE.start_main_~i~5 85), 174149#(<= ULTIMATE.start_main_~i~5 86), 174154#(<= ULTIMATE.start_main_~i~5 91), 174155#(<= ULTIMATE.start_main_~i~5 92), 174152#(<= ULTIMATE.start_main_~i~5 89), 174153#(<= ULTIMATE.start_main_~i~5 90), 174158#(<= ULTIMATE.start_main_~i~5 95), 174159#(<= ULTIMATE.start_main_~i~5 96), 174156#(<= ULTIMATE.start_main_~i~5 93), 174157#(<= ULTIMATE.start_main_~i~5 94), 174162#(<= ULTIMATE.start_main_~i~5 99), 174163#(<= ULTIMATE.start_main_~i~5 100), 174160#(<= ULTIMATE.start_main_~i~5 97), 174161#(<= ULTIMATE.start_main_~i~5 98), 174166#(<= ULTIMATE.start_main_~i~5 103), 174167#(<= ULTIMATE.start_main_~i~5 104), 174164#(<= ULTIMATE.start_main_~i~5 101), 174165#(<= ULTIMATE.start_main_~i~5 102), 174170#(<= ULTIMATE.start_main_~i~5 107), 174171#(<= ULTIMATE.start_main_~i~5 108), 174168#(<= ULTIMATE.start_main_~i~5 105), 174169#(<= ULTIMATE.start_main_~i~5 106), 174174#(<= ULTIMATE.start_main_~i~5 111), 174175#(<= ULTIMATE.start_main_~i~5 112), 174172#(<= ULTIMATE.start_main_~i~5 109), 174173#(<= ULTIMATE.start_main_~i~5 110), 174178#(<= ULTIMATE.start_main_~i~5 115), 174179#(<= ULTIMATE.start_main_~i~5 116), 174176#(<= ULTIMATE.start_main_~i~5 113), 174177#(<= ULTIMATE.start_main_~i~5 114), 174182#(<= ULTIMATE.start_main_~i~5 119), 174183#(<= ULTIMATE.start_main_~i~5 120), 174180#(<= ULTIMATE.start_main_~i~5 117), 174181#(<= ULTIMATE.start_main_~i~5 118), 174186#(<= ULTIMATE.start_main_~i~5 123), 174187#(<= ULTIMATE.start_main_~i~5 124), 174184#(<= ULTIMATE.start_main_~i~5 121), 174185#(<= ULTIMATE.start_main_~i~5 122), 174190#(<= ULTIMATE.start_main_~i~5 127), 174191#(<= ULTIMATE.start_main_~i~5 128), 174188#(<= ULTIMATE.start_main_~i~5 125), 174189#(<= ULTIMATE.start_main_~i~5 126), 174194#(<= ULTIMATE.start_main_~i~5 131), 174195#(<= ULTIMATE.start_main_~i~5 132), 174192#(<= ULTIMATE.start_main_~i~5 129), 174193#(<= ULTIMATE.start_main_~i~5 130), 174198#(<= ULTIMATE.start_main_~i~5 135), 174199#(<= ULTIMATE.start_main_~i~5 136), 174196#(<= ULTIMATE.start_main_~i~5 133), 174197#(<= ULTIMATE.start_main_~i~5 134), 174202#(<= ULTIMATE.start_main_~i~5 139), 174203#(<= ULTIMATE.start_main_~i~5 140), 174200#(<= ULTIMATE.start_main_~i~5 137), 174201#(<= ULTIMATE.start_main_~i~5 138), 174206#(<= ULTIMATE.start_main_~i~5 143), 174207#(<= ULTIMATE.start_main_~i~5 144), 174204#(<= ULTIMATE.start_main_~i~5 141), 174205#(<= ULTIMATE.start_main_~i~5 142), 174210#(<= ULTIMATE.start_main_~i~5 147), 174211#(<= ULTIMATE.start_main_~i~5 148), 174208#(<= ULTIMATE.start_main_~i~5 145), 174209#(<= ULTIMATE.start_main_~i~5 146), 174214#(<= ULTIMATE.start_main_~i~5 151), 174215#(<= ULTIMATE.start_main_~i~5 152), 174212#(<= ULTIMATE.start_main_~i~5 149), 174213#(<= ULTIMATE.start_main_~i~5 150), 174218#(<= ULTIMATE.start_main_~i~5 155), 174219#(<= ULTIMATE.start_main_~i~5 156), 174216#(<= ULTIMATE.start_main_~i~5 153), 174217#(<= ULTIMATE.start_main_~i~5 154), 174222#(<= ULTIMATE.start_main_~i~5 159), 174223#(<= ULTIMATE.start_main_~i~5 160), 174220#(<= ULTIMATE.start_main_~i~5 157), 174221#(<= ULTIMATE.start_main_~i~5 158), 174226#(<= ULTIMATE.start_main_~i~5 163), 174227#(<= ULTIMATE.start_main_~i~5 164), 174224#(<= ULTIMATE.start_main_~i~5 161), 174225#(<= ULTIMATE.start_main_~i~5 162), 174230#(<= ULTIMATE.start_main_~i~5 167), 174231#(<= ULTIMATE.start_main_~i~5 168), 174228#(<= ULTIMATE.start_main_~i~5 165), 174229#(<= ULTIMATE.start_main_~i~5 166), 174234#(<= ULTIMATE.start_main_~i~5 171), 174235#(<= ULTIMATE.start_main_~i~5 172), 174232#(<= ULTIMATE.start_main_~i~5 169), 174233#(<= ULTIMATE.start_main_~i~5 170), 174238#(<= ULTIMATE.start_main_~i~5 175), 174239#(<= ULTIMATE.start_main_~i~5 176), 174236#(<= ULTIMATE.start_main_~i~5 173), 174237#(<= ULTIMATE.start_main_~i~5 174), 174242#(<= ULTIMATE.start_main_~i~5 179), 174243#(<= ULTIMATE.start_main_~i~5 180), 174240#(<= ULTIMATE.start_main_~i~5 177), 174241#(<= ULTIMATE.start_main_~i~5 178), 174246#(<= ULTIMATE.start_main_~i~5 183), 174247#(<= ULTIMATE.start_main_~i~5 184), 174244#(<= ULTIMATE.start_main_~i~5 181), 174245#(<= ULTIMATE.start_main_~i~5 182), 174250#(<= ULTIMATE.start_main_~i~5 187), 174251#(<= ULTIMATE.start_main_~i~5 188), 174248#(<= ULTIMATE.start_main_~i~5 185), 174249#(<= ULTIMATE.start_main_~i~5 186), 174254#(<= ULTIMATE.start_main_~i~5 191), 174255#(<= ULTIMATE.start_main_~i~5 192), 174252#(<= ULTIMATE.start_main_~i~5 189), 174253#(<= ULTIMATE.start_main_~i~5 190), 174062#false, 174063#(<= ULTIMATE.start_main_~i~5 0), 174061#true, 174066#(<= ULTIMATE.start_main_~i~5 3), 174067#(<= ULTIMATE.start_main_~i~5 4), 174064#(<= ULTIMATE.start_main_~i~5 1), 174065#(<= ULTIMATE.start_main_~i~5 2), 174070#(<= ULTIMATE.start_main_~i~5 7), 174071#(<= ULTIMATE.start_main_~i~5 8), 174068#(<= ULTIMATE.start_main_~i~5 5), 174069#(<= ULTIMATE.start_main_~i~5 6), 174074#(<= ULTIMATE.start_main_~i~5 11), 174075#(<= ULTIMATE.start_main_~i~5 12), 174072#(<= ULTIMATE.start_main_~i~5 9), 174073#(<= ULTIMATE.start_main_~i~5 10), 174078#(<= ULTIMATE.start_main_~i~5 15), 174079#(<= ULTIMATE.start_main_~i~5 16), 174076#(<= ULTIMATE.start_main_~i~5 13), 174077#(<= ULTIMATE.start_main_~i~5 14)] [2018-07-23 13:43:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 37056 backedges. 0 proven. 37056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:53,627 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:43:53,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:43:53,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:43:53,634 INFO L87 Difference]: Start difference. First operand 391 states and 392 transitions. Second operand 195 states. [2018-07-23 13:43:55,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:55,861 INFO L93 Difference]: Finished difference Result 397 states and 399 transitions. [2018-07-23 13:43:55,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:43:55,861 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 390 [2018-07-23 13:43:55,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:55,862 INFO L225 Difference]: With dead ends: 397 [2018-07-23 13:43:55,862 INFO L226 Difference]: Without dead ends: 393 [2018-07-23 13:43:55,864 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 13:43:55,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-07-23 13:43:55,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2018-07-23 13:43:55,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-07-23 13:43:55,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 394 transitions. [2018-07-23 13:43:55,869 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 394 transitions. Word has length 390 [2018-07-23 13:43:55,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:55,869 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 394 transitions. [2018-07-23 13:43:55,869 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:43:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 394 transitions. [2018-07-23 13:43:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-07-23 13:43:55,870 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:55,871 INFO L357 BasicCegarLoop]: trace histogram [194, 193, 1, 1, 1, 1, 1] [2018-07-23 13:43:55,871 INFO L414 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:55,871 INFO L82 PathProgramCache]: Analyzing trace with hash 355933111, now seen corresponding path program 193 times [2018-07-23 13:43:55,871 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 37442 backedges. 0 proven. 37442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:57,580 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:57,580 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:43:57,580 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:57,580 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 13:43:57,581 INFO L185 omatonBuilderFactory]: Interpolants [175838#(<= ULTIMATE.start_main_~i~5 0), 175839#(<= ULTIMATE.start_main_~i~5 1), 175836#true, 175837#false, 175842#(<= ULTIMATE.start_main_~i~5 4), 175843#(<= ULTIMATE.start_main_~i~5 5), 175840#(<= ULTIMATE.start_main_~i~5 2), 175841#(<= ULTIMATE.start_main_~i~5 3), 175846#(<= ULTIMATE.start_main_~i~5 8), 175847#(<= ULTIMATE.start_main_~i~5 9), 175844#(<= ULTIMATE.start_main_~i~5 6), 175845#(<= ULTIMATE.start_main_~i~5 7), 175850#(<= ULTIMATE.start_main_~i~5 12), 175851#(<= ULTIMATE.start_main_~i~5 13), 175848#(<= ULTIMATE.start_main_~i~5 10), 175849#(<= ULTIMATE.start_main_~i~5 11), 175854#(<= ULTIMATE.start_main_~i~5 16), 175855#(<= ULTIMATE.start_main_~i~5 17), 175852#(<= ULTIMATE.start_main_~i~5 14), 175853#(<= ULTIMATE.start_main_~i~5 15), 175858#(<= ULTIMATE.start_main_~i~5 20), 175859#(<= ULTIMATE.start_main_~i~5 21), 175856#(<= ULTIMATE.start_main_~i~5 18), 175857#(<= ULTIMATE.start_main_~i~5 19), 175862#(<= ULTIMATE.start_main_~i~5 24), 175863#(<= ULTIMATE.start_main_~i~5 25), 175860#(<= ULTIMATE.start_main_~i~5 22), 175861#(<= ULTIMATE.start_main_~i~5 23), 175866#(<= ULTIMATE.start_main_~i~5 28), 175867#(<= ULTIMATE.start_main_~i~5 29), 175864#(<= ULTIMATE.start_main_~i~5 26), 175865#(<= ULTIMATE.start_main_~i~5 27), 175870#(<= ULTIMATE.start_main_~i~5 32), 175871#(<= ULTIMATE.start_main_~i~5 33), 175868#(<= ULTIMATE.start_main_~i~5 30), 175869#(<= ULTIMATE.start_main_~i~5 31), 175874#(<= ULTIMATE.start_main_~i~5 36), 175875#(<= ULTIMATE.start_main_~i~5 37), 175872#(<= ULTIMATE.start_main_~i~5 34), 175873#(<= ULTIMATE.start_main_~i~5 35), 175878#(<= ULTIMATE.start_main_~i~5 40), 175879#(<= ULTIMATE.start_main_~i~5 41), 175876#(<= ULTIMATE.start_main_~i~5 38), 175877#(<= ULTIMATE.start_main_~i~5 39), 175882#(<= ULTIMATE.start_main_~i~5 44), 175883#(<= ULTIMATE.start_main_~i~5 45), 175880#(<= ULTIMATE.start_main_~i~5 42), 175881#(<= ULTIMATE.start_main_~i~5 43), 175886#(<= ULTIMATE.start_main_~i~5 48), 175887#(<= ULTIMATE.start_main_~i~5 49), 175884#(<= ULTIMATE.start_main_~i~5 46), 175885#(<= ULTIMATE.start_main_~i~5 47), 175890#(<= ULTIMATE.start_main_~i~5 52), 175891#(<= ULTIMATE.start_main_~i~5 53), 175888#(<= ULTIMATE.start_main_~i~5 50), 175889#(<= ULTIMATE.start_main_~i~5 51), 175894#(<= ULTIMATE.start_main_~i~5 56), 175895#(<= ULTIMATE.start_main_~i~5 57), 175892#(<= ULTIMATE.start_main_~i~5 54), 175893#(<= ULTIMATE.start_main_~i~5 55), 175898#(<= ULTIMATE.start_main_~i~5 60), 175899#(<= ULTIMATE.start_main_~i~5 61), 175896#(<= ULTIMATE.start_main_~i~5 58), 175897#(<= ULTIMATE.start_main_~i~5 59), 175902#(<= ULTIMATE.start_main_~i~5 64), 175903#(<= ULTIMATE.start_main_~i~5 65), 175900#(<= ULTIMATE.start_main_~i~5 62), 175901#(<= ULTIMATE.start_main_~i~5 63), 175906#(<= ULTIMATE.start_main_~i~5 68), 175907#(<= ULTIMATE.start_main_~i~5 69), 175904#(<= ULTIMATE.start_main_~i~5 66), 175905#(<= ULTIMATE.start_main_~i~5 67), 175910#(<= ULTIMATE.start_main_~i~5 72), 175911#(<= ULTIMATE.start_main_~i~5 73), 175908#(<= ULTIMATE.start_main_~i~5 70), 175909#(<= ULTIMATE.start_main_~i~5 71), 175914#(<= ULTIMATE.start_main_~i~5 76), 175915#(<= ULTIMATE.start_main_~i~5 77), 175912#(<= ULTIMATE.start_main_~i~5 74), 175913#(<= ULTIMATE.start_main_~i~5 75), 175918#(<= ULTIMATE.start_main_~i~5 80), 175919#(<= ULTIMATE.start_main_~i~5 81), 175916#(<= ULTIMATE.start_main_~i~5 78), 175917#(<= ULTIMATE.start_main_~i~5 79), 175922#(<= ULTIMATE.start_main_~i~5 84), 175923#(<= ULTIMATE.start_main_~i~5 85), 175920#(<= ULTIMATE.start_main_~i~5 82), 175921#(<= ULTIMATE.start_main_~i~5 83), 175926#(<= ULTIMATE.start_main_~i~5 88), 175927#(<= ULTIMATE.start_main_~i~5 89), 175924#(<= ULTIMATE.start_main_~i~5 86), 175925#(<= ULTIMATE.start_main_~i~5 87), 175930#(<= ULTIMATE.start_main_~i~5 92), 175931#(<= ULTIMATE.start_main_~i~5 93), 175928#(<= ULTIMATE.start_main_~i~5 90), 175929#(<= ULTIMATE.start_main_~i~5 91), 175934#(<= ULTIMATE.start_main_~i~5 96), 175935#(<= ULTIMATE.start_main_~i~5 97), 175932#(<= ULTIMATE.start_main_~i~5 94), 175933#(<= ULTIMATE.start_main_~i~5 95), 175938#(<= ULTIMATE.start_main_~i~5 100), 175939#(<= ULTIMATE.start_main_~i~5 101), 175936#(<= ULTIMATE.start_main_~i~5 98), 175937#(<= ULTIMATE.start_main_~i~5 99), 175942#(<= ULTIMATE.start_main_~i~5 104), 175943#(<= ULTIMATE.start_main_~i~5 105), 175940#(<= ULTIMATE.start_main_~i~5 102), 175941#(<= ULTIMATE.start_main_~i~5 103), 175946#(<= ULTIMATE.start_main_~i~5 108), 175947#(<= ULTIMATE.start_main_~i~5 109), 175944#(<= ULTIMATE.start_main_~i~5 106), 175945#(<= ULTIMATE.start_main_~i~5 107), 175950#(<= ULTIMATE.start_main_~i~5 112), 175951#(<= ULTIMATE.start_main_~i~5 113), 175948#(<= ULTIMATE.start_main_~i~5 110), 175949#(<= ULTIMATE.start_main_~i~5 111), 175954#(<= ULTIMATE.start_main_~i~5 116), 175955#(<= ULTIMATE.start_main_~i~5 117), 175952#(<= ULTIMATE.start_main_~i~5 114), 175953#(<= ULTIMATE.start_main_~i~5 115), 175958#(<= ULTIMATE.start_main_~i~5 120), 175959#(<= ULTIMATE.start_main_~i~5 121), 175956#(<= ULTIMATE.start_main_~i~5 118), 175957#(<= ULTIMATE.start_main_~i~5 119), 175962#(<= ULTIMATE.start_main_~i~5 124), 175963#(<= ULTIMATE.start_main_~i~5 125), 175960#(<= ULTIMATE.start_main_~i~5 122), 175961#(<= ULTIMATE.start_main_~i~5 123), 175966#(<= ULTIMATE.start_main_~i~5 128), 175967#(<= ULTIMATE.start_main_~i~5 129), 175964#(<= ULTIMATE.start_main_~i~5 126), 175965#(<= ULTIMATE.start_main_~i~5 127), 175970#(<= ULTIMATE.start_main_~i~5 132), 175971#(<= ULTIMATE.start_main_~i~5 133), 175968#(<= ULTIMATE.start_main_~i~5 130), 175969#(<= ULTIMATE.start_main_~i~5 131), 175974#(<= ULTIMATE.start_main_~i~5 136), 175975#(<= ULTIMATE.start_main_~i~5 137), 175972#(<= ULTIMATE.start_main_~i~5 134), 175973#(<= ULTIMATE.start_main_~i~5 135), 175978#(<= ULTIMATE.start_main_~i~5 140), 175979#(<= ULTIMATE.start_main_~i~5 141), 175976#(<= ULTIMATE.start_main_~i~5 138), 175977#(<= ULTIMATE.start_main_~i~5 139), 175982#(<= ULTIMATE.start_main_~i~5 144), 175983#(<= ULTIMATE.start_main_~i~5 145), 175980#(<= ULTIMATE.start_main_~i~5 142), 175981#(<= ULTIMATE.start_main_~i~5 143), 175986#(<= ULTIMATE.start_main_~i~5 148), 175987#(<= ULTIMATE.start_main_~i~5 149), 175984#(<= ULTIMATE.start_main_~i~5 146), 175985#(<= ULTIMATE.start_main_~i~5 147), 175990#(<= ULTIMATE.start_main_~i~5 152), 175991#(<= ULTIMATE.start_main_~i~5 153), 175988#(<= ULTIMATE.start_main_~i~5 150), 175989#(<= ULTIMATE.start_main_~i~5 151), 175994#(<= ULTIMATE.start_main_~i~5 156), 175995#(<= ULTIMATE.start_main_~i~5 157), 175992#(<= ULTIMATE.start_main_~i~5 154), 175993#(<= ULTIMATE.start_main_~i~5 155), 175998#(<= ULTIMATE.start_main_~i~5 160), 175999#(<= ULTIMATE.start_main_~i~5 161), 175996#(<= ULTIMATE.start_main_~i~5 158), 175997#(<= ULTIMATE.start_main_~i~5 159), 176002#(<= ULTIMATE.start_main_~i~5 164), 176003#(<= ULTIMATE.start_main_~i~5 165), 176000#(<= ULTIMATE.start_main_~i~5 162), 176001#(<= ULTIMATE.start_main_~i~5 163), 176006#(<= ULTIMATE.start_main_~i~5 168), 176007#(<= ULTIMATE.start_main_~i~5 169), 176004#(<= ULTIMATE.start_main_~i~5 166), 176005#(<= ULTIMATE.start_main_~i~5 167), 176010#(<= ULTIMATE.start_main_~i~5 172), 176011#(<= ULTIMATE.start_main_~i~5 173), 176008#(<= ULTIMATE.start_main_~i~5 170), 176009#(<= ULTIMATE.start_main_~i~5 171), 176014#(<= ULTIMATE.start_main_~i~5 176), 176015#(<= ULTIMATE.start_main_~i~5 177), 176012#(<= ULTIMATE.start_main_~i~5 174), 176013#(<= ULTIMATE.start_main_~i~5 175), 176018#(<= ULTIMATE.start_main_~i~5 180), 176019#(<= ULTIMATE.start_main_~i~5 181), 176016#(<= ULTIMATE.start_main_~i~5 178), 176017#(<= ULTIMATE.start_main_~i~5 179), 176022#(<= ULTIMATE.start_main_~i~5 184), 176023#(<= ULTIMATE.start_main_~i~5 185), 176020#(<= ULTIMATE.start_main_~i~5 182), 176021#(<= ULTIMATE.start_main_~i~5 183), 176026#(<= ULTIMATE.start_main_~i~5 188), 176027#(<= ULTIMATE.start_main_~i~5 189), 176024#(<= ULTIMATE.start_main_~i~5 186), 176025#(<= ULTIMATE.start_main_~i~5 187), 176030#(<= ULTIMATE.start_main_~i~5 192), 176031#(<= ULTIMATE.start_main_~i~5 193), 176028#(<= ULTIMATE.start_main_~i~5 190), 176029#(<= ULTIMATE.start_main_~i~5 191)] [2018-07-23 13:43:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 37442 backedges. 0 proven. 37442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:57,583 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:43:57,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:43:57,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:43:57,587 INFO L87 Difference]: Start difference. First operand 393 states and 394 transitions. Second operand 196 states. [2018-07-23 13:43:59,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:59,460 INFO L93 Difference]: Finished difference Result 399 states and 401 transitions. [2018-07-23 13:43:59,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:43:59,460 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 392 [2018-07-23 13:43:59,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:59,461 INFO L225 Difference]: With dead ends: 399 [2018-07-23 13:43:59,461 INFO L226 Difference]: Without dead ends: 395 [2018-07-23 13:43:59,463 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 13:43:59,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-07-23 13:43:59,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-07-23 13:43:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-07-23 13:43:59,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 396 transitions. [2018-07-23 13:43:59,468 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 396 transitions. Word has length 392 [2018-07-23 13:43:59,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:59,468 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 396 transitions. [2018-07-23 13:43:59,468 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:43:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 396 transitions. [2018-07-23 13:43:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-07-23 13:43:59,469 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:59,470 INFO L357 BasicCegarLoop]: trace histogram [195, 194, 1, 1, 1, 1, 1] [2018-07-23 13:43:59,470 INFO L414 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:59,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1629222221, now seen corresponding path program 194 times [2018-07-23 13:43:59,470 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 37830 backedges. 0 proven. 37830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:01,194 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:01,194 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:44:01,194 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:01,195 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 13:44:01,195 INFO L185 omatonBuilderFactory]: Interpolants [177666#(<= ULTIMATE.start_main_~i~5 44), 177667#(<= ULTIMATE.start_main_~i~5 45), 177664#(<= ULTIMATE.start_main_~i~5 42), 177665#(<= ULTIMATE.start_main_~i~5 43), 177670#(<= ULTIMATE.start_main_~i~5 48), 177671#(<= ULTIMATE.start_main_~i~5 49), 177668#(<= ULTIMATE.start_main_~i~5 46), 177669#(<= ULTIMATE.start_main_~i~5 47), 177674#(<= ULTIMATE.start_main_~i~5 52), 177675#(<= ULTIMATE.start_main_~i~5 53), 177672#(<= ULTIMATE.start_main_~i~5 50), 177673#(<= ULTIMATE.start_main_~i~5 51), 177678#(<= ULTIMATE.start_main_~i~5 56), 177679#(<= ULTIMATE.start_main_~i~5 57), 177676#(<= ULTIMATE.start_main_~i~5 54), 177677#(<= ULTIMATE.start_main_~i~5 55), 177682#(<= ULTIMATE.start_main_~i~5 60), 177683#(<= ULTIMATE.start_main_~i~5 61), 177680#(<= ULTIMATE.start_main_~i~5 58), 177681#(<= ULTIMATE.start_main_~i~5 59), 177686#(<= ULTIMATE.start_main_~i~5 64), 177687#(<= ULTIMATE.start_main_~i~5 65), 177684#(<= ULTIMATE.start_main_~i~5 62), 177685#(<= ULTIMATE.start_main_~i~5 63), 177690#(<= ULTIMATE.start_main_~i~5 68), 177691#(<= ULTIMATE.start_main_~i~5 69), 177688#(<= ULTIMATE.start_main_~i~5 66), 177689#(<= ULTIMATE.start_main_~i~5 67), 177694#(<= ULTIMATE.start_main_~i~5 72), 177695#(<= ULTIMATE.start_main_~i~5 73), 177692#(<= ULTIMATE.start_main_~i~5 70), 177693#(<= ULTIMATE.start_main_~i~5 71), 177698#(<= ULTIMATE.start_main_~i~5 76), 177699#(<= ULTIMATE.start_main_~i~5 77), 177696#(<= ULTIMATE.start_main_~i~5 74), 177697#(<= ULTIMATE.start_main_~i~5 75), 177702#(<= ULTIMATE.start_main_~i~5 80), 177703#(<= ULTIMATE.start_main_~i~5 81), 177700#(<= ULTIMATE.start_main_~i~5 78), 177701#(<= ULTIMATE.start_main_~i~5 79), 177706#(<= ULTIMATE.start_main_~i~5 84), 177707#(<= ULTIMATE.start_main_~i~5 85), 177704#(<= ULTIMATE.start_main_~i~5 82), 177705#(<= ULTIMATE.start_main_~i~5 83), 177710#(<= ULTIMATE.start_main_~i~5 88), 177711#(<= ULTIMATE.start_main_~i~5 89), 177708#(<= ULTIMATE.start_main_~i~5 86), 177709#(<= ULTIMATE.start_main_~i~5 87), 177714#(<= ULTIMATE.start_main_~i~5 92), 177715#(<= ULTIMATE.start_main_~i~5 93), 177712#(<= ULTIMATE.start_main_~i~5 90), 177713#(<= ULTIMATE.start_main_~i~5 91), 177718#(<= ULTIMATE.start_main_~i~5 96), 177719#(<= ULTIMATE.start_main_~i~5 97), 177716#(<= ULTIMATE.start_main_~i~5 94), 177717#(<= ULTIMATE.start_main_~i~5 95), 177722#(<= ULTIMATE.start_main_~i~5 100), 177723#(<= ULTIMATE.start_main_~i~5 101), 177720#(<= ULTIMATE.start_main_~i~5 98), 177721#(<= ULTIMATE.start_main_~i~5 99), 177726#(<= ULTIMATE.start_main_~i~5 104), 177727#(<= ULTIMATE.start_main_~i~5 105), 177724#(<= ULTIMATE.start_main_~i~5 102), 177725#(<= ULTIMATE.start_main_~i~5 103), 177730#(<= ULTIMATE.start_main_~i~5 108), 177731#(<= ULTIMATE.start_main_~i~5 109), 177728#(<= ULTIMATE.start_main_~i~5 106), 177729#(<= ULTIMATE.start_main_~i~5 107), 177734#(<= ULTIMATE.start_main_~i~5 112), 177735#(<= ULTIMATE.start_main_~i~5 113), 177732#(<= ULTIMATE.start_main_~i~5 110), 177733#(<= ULTIMATE.start_main_~i~5 111), 177738#(<= ULTIMATE.start_main_~i~5 116), 177739#(<= ULTIMATE.start_main_~i~5 117), 177736#(<= ULTIMATE.start_main_~i~5 114), 177737#(<= ULTIMATE.start_main_~i~5 115), 177742#(<= ULTIMATE.start_main_~i~5 120), 177743#(<= ULTIMATE.start_main_~i~5 121), 177740#(<= ULTIMATE.start_main_~i~5 118), 177741#(<= ULTIMATE.start_main_~i~5 119), 177746#(<= ULTIMATE.start_main_~i~5 124), 177747#(<= ULTIMATE.start_main_~i~5 125), 177744#(<= ULTIMATE.start_main_~i~5 122), 177745#(<= ULTIMATE.start_main_~i~5 123), 177750#(<= ULTIMATE.start_main_~i~5 128), 177751#(<= ULTIMATE.start_main_~i~5 129), 177748#(<= ULTIMATE.start_main_~i~5 126), 177749#(<= ULTIMATE.start_main_~i~5 127), 177754#(<= ULTIMATE.start_main_~i~5 132), 177755#(<= ULTIMATE.start_main_~i~5 133), 177752#(<= ULTIMATE.start_main_~i~5 130), 177753#(<= ULTIMATE.start_main_~i~5 131), 177758#(<= ULTIMATE.start_main_~i~5 136), 177759#(<= ULTIMATE.start_main_~i~5 137), 177756#(<= ULTIMATE.start_main_~i~5 134), 177757#(<= ULTIMATE.start_main_~i~5 135), 177762#(<= ULTIMATE.start_main_~i~5 140), 177763#(<= ULTIMATE.start_main_~i~5 141), 177760#(<= ULTIMATE.start_main_~i~5 138), 177761#(<= ULTIMATE.start_main_~i~5 139), 177766#(<= ULTIMATE.start_main_~i~5 144), 177767#(<= ULTIMATE.start_main_~i~5 145), 177764#(<= ULTIMATE.start_main_~i~5 142), 177765#(<= ULTIMATE.start_main_~i~5 143), 177770#(<= ULTIMATE.start_main_~i~5 148), 177771#(<= ULTIMATE.start_main_~i~5 149), 177768#(<= ULTIMATE.start_main_~i~5 146), 177769#(<= ULTIMATE.start_main_~i~5 147), 177774#(<= ULTIMATE.start_main_~i~5 152), 177775#(<= ULTIMATE.start_main_~i~5 153), 177772#(<= ULTIMATE.start_main_~i~5 150), 177773#(<= ULTIMATE.start_main_~i~5 151), 177778#(<= ULTIMATE.start_main_~i~5 156), 177779#(<= ULTIMATE.start_main_~i~5 157), 177776#(<= ULTIMATE.start_main_~i~5 154), 177777#(<= ULTIMATE.start_main_~i~5 155), 177782#(<= ULTIMATE.start_main_~i~5 160), 177783#(<= ULTIMATE.start_main_~i~5 161), 177780#(<= ULTIMATE.start_main_~i~5 158), 177781#(<= ULTIMATE.start_main_~i~5 159), 177786#(<= ULTIMATE.start_main_~i~5 164), 177787#(<= ULTIMATE.start_main_~i~5 165), 177784#(<= ULTIMATE.start_main_~i~5 162), 177785#(<= ULTIMATE.start_main_~i~5 163), 177790#(<= ULTIMATE.start_main_~i~5 168), 177791#(<= ULTIMATE.start_main_~i~5 169), 177788#(<= ULTIMATE.start_main_~i~5 166), 177789#(<= ULTIMATE.start_main_~i~5 167), 177794#(<= ULTIMATE.start_main_~i~5 172), 177795#(<= ULTIMATE.start_main_~i~5 173), 177792#(<= ULTIMATE.start_main_~i~5 170), 177793#(<= ULTIMATE.start_main_~i~5 171), 177798#(<= ULTIMATE.start_main_~i~5 176), 177799#(<= ULTIMATE.start_main_~i~5 177), 177796#(<= ULTIMATE.start_main_~i~5 174), 177797#(<= ULTIMATE.start_main_~i~5 175), 177802#(<= ULTIMATE.start_main_~i~5 180), 177803#(<= ULTIMATE.start_main_~i~5 181), 177800#(<= ULTIMATE.start_main_~i~5 178), 177801#(<= ULTIMATE.start_main_~i~5 179), 177806#(<= ULTIMATE.start_main_~i~5 184), 177807#(<= ULTIMATE.start_main_~i~5 185), 177804#(<= ULTIMATE.start_main_~i~5 182), 177805#(<= ULTIMATE.start_main_~i~5 183), 177810#(<= ULTIMATE.start_main_~i~5 188), 177811#(<= ULTIMATE.start_main_~i~5 189), 177808#(<= ULTIMATE.start_main_~i~5 186), 177809#(<= ULTIMATE.start_main_~i~5 187), 177814#(<= ULTIMATE.start_main_~i~5 192), 177815#(<= ULTIMATE.start_main_~i~5 193), 177812#(<= ULTIMATE.start_main_~i~5 190), 177813#(<= ULTIMATE.start_main_~i~5 191), 177816#(<= ULTIMATE.start_main_~i~5 194), 177622#(<= ULTIMATE.start_main_~i~5 0), 177623#(<= ULTIMATE.start_main_~i~5 1), 177620#true, 177621#false, 177626#(<= ULTIMATE.start_main_~i~5 4), 177627#(<= ULTIMATE.start_main_~i~5 5), 177624#(<= ULTIMATE.start_main_~i~5 2), 177625#(<= ULTIMATE.start_main_~i~5 3), 177630#(<= ULTIMATE.start_main_~i~5 8), 177631#(<= ULTIMATE.start_main_~i~5 9), 177628#(<= ULTIMATE.start_main_~i~5 6), 177629#(<= ULTIMATE.start_main_~i~5 7), 177634#(<= ULTIMATE.start_main_~i~5 12), 177635#(<= ULTIMATE.start_main_~i~5 13), 177632#(<= ULTIMATE.start_main_~i~5 10), 177633#(<= ULTIMATE.start_main_~i~5 11), 177638#(<= ULTIMATE.start_main_~i~5 16), 177639#(<= ULTIMATE.start_main_~i~5 17), 177636#(<= ULTIMATE.start_main_~i~5 14), 177637#(<= ULTIMATE.start_main_~i~5 15), 177642#(<= ULTIMATE.start_main_~i~5 20), 177643#(<= ULTIMATE.start_main_~i~5 21), 177640#(<= ULTIMATE.start_main_~i~5 18), 177641#(<= ULTIMATE.start_main_~i~5 19), 177646#(<= ULTIMATE.start_main_~i~5 24), 177647#(<= ULTIMATE.start_main_~i~5 25), 177644#(<= ULTIMATE.start_main_~i~5 22), 177645#(<= ULTIMATE.start_main_~i~5 23), 177650#(<= ULTIMATE.start_main_~i~5 28), 177651#(<= ULTIMATE.start_main_~i~5 29), 177648#(<= ULTIMATE.start_main_~i~5 26), 177649#(<= ULTIMATE.start_main_~i~5 27), 177654#(<= ULTIMATE.start_main_~i~5 32), 177655#(<= ULTIMATE.start_main_~i~5 33), 177652#(<= ULTIMATE.start_main_~i~5 30), 177653#(<= ULTIMATE.start_main_~i~5 31), 177658#(<= ULTIMATE.start_main_~i~5 36), 177659#(<= ULTIMATE.start_main_~i~5 37), 177656#(<= ULTIMATE.start_main_~i~5 34), 177657#(<= ULTIMATE.start_main_~i~5 35), 177662#(<= ULTIMATE.start_main_~i~5 40), 177663#(<= ULTIMATE.start_main_~i~5 41), 177660#(<= ULTIMATE.start_main_~i~5 38), 177661#(<= ULTIMATE.start_main_~i~5 39)] [2018-07-23 13:44:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 37830 backedges. 0 proven. 37830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:01,197 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:44:01,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:44:01,201 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:44:01,201 INFO L87 Difference]: Start difference. First operand 395 states and 396 transitions. Second operand 197 states. [2018-07-23 13:44:02,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:02,957 INFO L93 Difference]: Finished difference Result 401 states and 403 transitions. [2018-07-23 13:44:02,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:44:02,957 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 394 [2018-07-23 13:44:02,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:02,958 INFO L225 Difference]: With dead ends: 401 [2018-07-23 13:44:02,958 INFO L226 Difference]: Without dead ends: 397 [2018-07-23 13:44:02,960 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 13:44:02,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-07-23 13:44:02,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2018-07-23 13:44:02,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-07-23 13:44:02,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 398 transitions. [2018-07-23 13:44:02,965 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 398 transitions. Word has length 394 [2018-07-23 13:44:02,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:02,965 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 398 transitions. [2018-07-23 13:44:02,965 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:44:02,965 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 398 transitions. [2018-07-23 13:44:02,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-07-23 13:44:02,967 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:02,967 INFO L357 BasicCegarLoop]: trace histogram [196, 195, 1, 1, 1, 1, 1] [2018-07-23 13:44:02,967 INFO L414 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:02,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1896950447, now seen corresponding path program 195 times [2018-07-23 13:44:02,967 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 38220 backedges. 0 proven. 38220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:04,552 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:04,552 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:44:04,552 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:04,553 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 13:44:04,553 INFO L185 omatonBuilderFactory]: Interpolants [179414#false, 179415#(<= ULTIMATE.start_main_~i~5 0), 179413#true, 179418#(<= ULTIMATE.start_main_~i~5 3), 179419#(<= ULTIMATE.start_main_~i~5 4), 179416#(<= ULTIMATE.start_main_~i~5 1), 179417#(<= ULTIMATE.start_main_~i~5 2), 179422#(<= ULTIMATE.start_main_~i~5 7), 179423#(<= ULTIMATE.start_main_~i~5 8), 179420#(<= ULTIMATE.start_main_~i~5 5), 179421#(<= ULTIMATE.start_main_~i~5 6), 179426#(<= ULTIMATE.start_main_~i~5 11), 179427#(<= ULTIMATE.start_main_~i~5 12), 179424#(<= ULTIMATE.start_main_~i~5 9), 179425#(<= ULTIMATE.start_main_~i~5 10), 179430#(<= ULTIMATE.start_main_~i~5 15), 179431#(<= ULTIMATE.start_main_~i~5 16), 179428#(<= ULTIMATE.start_main_~i~5 13), 179429#(<= ULTIMATE.start_main_~i~5 14), 179434#(<= ULTIMATE.start_main_~i~5 19), 179435#(<= ULTIMATE.start_main_~i~5 20), 179432#(<= ULTIMATE.start_main_~i~5 17), 179433#(<= ULTIMATE.start_main_~i~5 18), 179438#(<= ULTIMATE.start_main_~i~5 23), 179439#(<= ULTIMATE.start_main_~i~5 24), 179436#(<= ULTIMATE.start_main_~i~5 21), 179437#(<= ULTIMATE.start_main_~i~5 22), 179442#(<= ULTIMATE.start_main_~i~5 27), 179443#(<= ULTIMATE.start_main_~i~5 28), 179440#(<= ULTIMATE.start_main_~i~5 25), 179441#(<= ULTIMATE.start_main_~i~5 26), 179446#(<= ULTIMATE.start_main_~i~5 31), 179447#(<= ULTIMATE.start_main_~i~5 32), 179444#(<= ULTIMATE.start_main_~i~5 29), 179445#(<= ULTIMATE.start_main_~i~5 30), 179450#(<= ULTIMATE.start_main_~i~5 35), 179451#(<= ULTIMATE.start_main_~i~5 36), 179448#(<= ULTIMATE.start_main_~i~5 33), 179449#(<= ULTIMATE.start_main_~i~5 34), 179454#(<= ULTIMATE.start_main_~i~5 39), 179455#(<= ULTIMATE.start_main_~i~5 40), 179452#(<= ULTIMATE.start_main_~i~5 37), 179453#(<= ULTIMATE.start_main_~i~5 38), 179458#(<= ULTIMATE.start_main_~i~5 43), 179459#(<= ULTIMATE.start_main_~i~5 44), 179456#(<= ULTIMATE.start_main_~i~5 41), 179457#(<= ULTIMATE.start_main_~i~5 42), 179462#(<= ULTIMATE.start_main_~i~5 47), 179463#(<= ULTIMATE.start_main_~i~5 48), 179460#(<= ULTIMATE.start_main_~i~5 45), 179461#(<= ULTIMATE.start_main_~i~5 46), 179466#(<= ULTIMATE.start_main_~i~5 51), 179467#(<= ULTIMATE.start_main_~i~5 52), 179464#(<= ULTIMATE.start_main_~i~5 49), 179465#(<= ULTIMATE.start_main_~i~5 50), 179470#(<= ULTIMATE.start_main_~i~5 55), 179471#(<= ULTIMATE.start_main_~i~5 56), 179468#(<= ULTIMATE.start_main_~i~5 53), 179469#(<= ULTIMATE.start_main_~i~5 54), 179474#(<= ULTIMATE.start_main_~i~5 59), 179475#(<= ULTIMATE.start_main_~i~5 60), 179472#(<= ULTIMATE.start_main_~i~5 57), 179473#(<= ULTIMATE.start_main_~i~5 58), 179478#(<= ULTIMATE.start_main_~i~5 63), 179479#(<= ULTIMATE.start_main_~i~5 64), 179476#(<= ULTIMATE.start_main_~i~5 61), 179477#(<= ULTIMATE.start_main_~i~5 62), 179482#(<= ULTIMATE.start_main_~i~5 67), 179483#(<= ULTIMATE.start_main_~i~5 68), 179480#(<= ULTIMATE.start_main_~i~5 65), 179481#(<= ULTIMATE.start_main_~i~5 66), 179486#(<= ULTIMATE.start_main_~i~5 71), 179487#(<= ULTIMATE.start_main_~i~5 72), 179484#(<= ULTIMATE.start_main_~i~5 69), 179485#(<= ULTIMATE.start_main_~i~5 70), 179490#(<= ULTIMATE.start_main_~i~5 75), 179491#(<= ULTIMATE.start_main_~i~5 76), 179488#(<= ULTIMATE.start_main_~i~5 73), 179489#(<= ULTIMATE.start_main_~i~5 74), 179494#(<= ULTIMATE.start_main_~i~5 79), 179495#(<= ULTIMATE.start_main_~i~5 80), 179492#(<= ULTIMATE.start_main_~i~5 77), 179493#(<= ULTIMATE.start_main_~i~5 78), 179498#(<= ULTIMATE.start_main_~i~5 83), 179499#(<= ULTIMATE.start_main_~i~5 84), 179496#(<= ULTIMATE.start_main_~i~5 81), 179497#(<= ULTIMATE.start_main_~i~5 82), 179502#(<= ULTIMATE.start_main_~i~5 87), 179503#(<= ULTIMATE.start_main_~i~5 88), 179500#(<= ULTIMATE.start_main_~i~5 85), 179501#(<= ULTIMATE.start_main_~i~5 86), 179506#(<= ULTIMATE.start_main_~i~5 91), 179507#(<= ULTIMATE.start_main_~i~5 92), 179504#(<= ULTIMATE.start_main_~i~5 89), 179505#(<= ULTIMATE.start_main_~i~5 90), 179510#(<= ULTIMATE.start_main_~i~5 95), 179511#(<= ULTIMATE.start_main_~i~5 96), 179508#(<= ULTIMATE.start_main_~i~5 93), 179509#(<= ULTIMATE.start_main_~i~5 94), 179514#(<= ULTIMATE.start_main_~i~5 99), 179515#(<= ULTIMATE.start_main_~i~5 100), 179512#(<= ULTIMATE.start_main_~i~5 97), 179513#(<= ULTIMATE.start_main_~i~5 98), 179518#(<= ULTIMATE.start_main_~i~5 103), 179519#(<= ULTIMATE.start_main_~i~5 104), 179516#(<= ULTIMATE.start_main_~i~5 101), 179517#(<= ULTIMATE.start_main_~i~5 102), 179522#(<= ULTIMATE.start_main_~i~5 107), 179523#(<= ULTIMATE.start_main_~i~5 108), 179520#(<= ULTIMATE.start_main_~i~5 105), 179521#(<= ULTIMATE.start_main_~i~5 106), 179526#(<= ULTIMATE.start_main_~i~5 111), 179527#(<= ULTIMATE.start_main_~i~5 112), 179524#(<= ULTIMATE.start_main_~i~5 109), 179525#(<= ULTIMATE.start_main_~i~5 110), 179530#(<= ULTIMATE.start_main_~i~5 115), 179531#(<= ULTIMATE.start_main_~i~5 116), 179528#(<= ULTIMATE.start_main_~i~5 113), 179529#(<= ULTIMATE.start_main_~i~5 114), 179534#(<= ULTIMATE.start_main_~i~5 119), 179535#(<= ULTIMATE.start_main_~i~5 120), 179532#(<= ULTIMATE.start_main_~i~5 117), 179533#(<= ULTIMATE.start_main_~i~5 118), 179538#(<= ULTIMATE.start_main_~i~5 123), 179539#(<= ULTIMATE.start_main_~i~5 124), 179536#(<= ULTIMATE.start_main_~i~5 121), 179537#(<= ULTIMATE.start_main_~i~5 122), 179542#(<= ULTIMATE.start_main_~i~5 127), 179543#(<= ULTIMATE.start_main_~i~5 128), 179540#(<= ULTIMATE.start_main_~i~5 125), 179541#(<= ULTIMATE.start_main_~i~5 126), 179546#(<= ULTIMATE.start_main_~i~5 131), 179547#(<= ULTIMATE.start_main_~i~5 132), 179544#(<= ULTIMATE.start_main_~i~5 129), 179545#(<= ULTIMATE.start_main_~i~5 130), 179550#(<= ULTIMATE.start_main_~i~5 135), 179551#(<= ULTIMATE.start_main_~i~5 136), 179548#(<= ULTIMATE.start_main_~i~5 133), 179549#(<= ULTIMATE.start_main_~i~5 134), 179554#(<= ULTIMATE.start_main_~i~5 139), 179555#(<= ULTIMATE.start_main_~i~5 140), 179552#(<= ULTIMATE.start_main_~i~5 137), 179553#(<= ULTIMATE.start_main_~i~5 138), 179558#(<= ULTIMATE.start_main_~i~5 143), 179559#(<= ULTIMATE.start_main_~i~5 144), 179556#(<= ULTIMATE.start_main_~i~5 141), 179557#(<= ULTIMATE.start_main_~i~5 142), 179562#(<= ULTIMATE.start_main_~i~5 147), 179563#(<= ULTIMATE.start_main_~i~5 148), 179560#(<= ULTIMATE.start_main_~i~5 145), 179561#(<= ULTIMATE.start_main_~i~5 146), 179566#(<= ULTIMATE.start_main_~i~5 151), 179567#(<= ULTIMATE.start_main_~i~5 152), 179564#(<= ULTIMATE.start_main_~i~5 149), 179565#(<= ULTIMATE.start_main_~i~5 150), 179570#(<= ULTIMATE.start_main_~i~5 155), 179571#(<= ULTIMATE.start_main_~i~5 156), 179568#(<= ULTIMATE.start_main_~i~5 153), 179569#(<= ULTIMATE.start_main_~i~5 154), 179574#(<= ULTIMATE.start_main_~i~5 159), 179575#(<= ULTIMATE.start_main_~i~5 160), 179572#(<= ULTIMATE.start_main_~i~5 157), 179573#(<= ULTIMATE.start_main_~i~5 158), 179578#(<= ULTIMATE.start_main_~i~5 163), 179579#(<= ULTIMATE.start_main_~i~5 164), 179576#(<= ULTIMATE.start_main_~i~5 161), 179577#(<= ULTIMATE.start_main_~i~5 162), 179582#(<= ULTIMATE.start_main_~i~5 167), 179583#(<= ULTIMATE.start_main_~i~5 168), 179580#(<= ULTIMATE.start_main_~i~5 165), 179581#(<= ULTIMATE.start_main_~i~5 166), 179586#(<= ULTIMATE.start_main_~i~5 171), 179587#(<= ULTIMATE.start_main_~i~5 172), 179584#(<= ULTIMATE.start_main_~i~5 169), 179585#(<= ULTIMATE.start_main_~i~5 170), 179590#(<= ULTIMATE.start_main_~i~5 175), 179591#(<= ULTIMATE.start_main_~i~5 176), 179588#(<= ULTIMATE.start_main_~i~5 173), 179589#(<= ULTIMATE.start_main_~i~5 174), 179594#(<= ULTIMATE.start_main_~i~5 179), 179595#(<= ULTIMATE.start_main_~i~5 180), 179592#(<= ULTIMATE.start_main_~i~5 177), 179593#(<= ULTIMATE.start_main_~i~5 178), 179598#(<= ULTIMATE.start_main_~i~5 183), 179599#(<= ULTIMATE.start_main_~i~5 184), 179596#(<= ULTIMATE.start_main_~i~5 181), 179597#(<= ULTIMATE.start_main_~i~5 182), 179602#(<= ULTIMATE.start_main_~i~5 187), 179603#(<= ULTIMATE.start_main_~i~5 188), 179600#(<= ULTIMATE.start_main_~i~5 185), 179601#(<= ULTIMATE.start_main_~i~5 186), 179606#(<= ULTIMATE.start_main_~i~5 191), 179607#(<= ULTIMATE.start_main_~i~5 192), 179604#(<= ULTIMATE.start_main_~i~5 189), 179605#(<= ULTIMATE.start_main_~i~5 190), 179610#(<= ULTIMATE.start_main_~i~5 195), 179608#(<= ULTIMATE.start_main_~i~5 193), 179609#(<= ULTIMATE.start_main_~i~5 194)] [2018-07-23 13:44:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 38220 backedges. 0 proven. 38220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:04,555 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:44:04,558 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:44:04,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:44:04,559 INFO L87 Difference]: Start difference. First operand 397 states and 398 transitions. Second operand 198 states. [2018-07-23 13:44:06,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:06,384 INFO L93 Difference]: Finished difference Result 403 states and 405 transitions. [2018-07-23 13:44:06,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:44:06,384 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 396 [2018-07-23 13:44:06,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:06,385 INFO L225 Difference]: With dead ends: 403 [2018-07-23 13:44:06,385 INFO L226 Difference]: Without dead ends: 399 [2018-07-23 13:44:06,388 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 13:44:06,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-07-23 13:44:06,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2018-07-23 13:44:06,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-07-23 13:44:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 400 transitions. [2018-07-23 13:44:06,392 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 400 transitions. Word has length 396 [2018-07-23 13:44:06,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:06,393 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 400 transitions. [2018-07-23 13:44:06,393 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:44:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 400 transitions. [2018-07-23 13:44:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-07-23 13:44:06,394 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:06,394 INFO L357 BasicCegarLoop]: trace histogram [197, 196, 1, 1, 1, 1, 1] [2018-07-23 13:44:06,394 INFO L414 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:06,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1819687851, now seen corresponding path program 196 times [2018-07-23 13:44:06,395 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 38612 backedges. 0 proven. 38612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:08,324 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:08,324 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:44:08,324 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:08,324 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 13:44:08,324 INFO L185 omatonBuilderFactory]: Interpolants [181250#(<= ULTIMATE.start_main_~i~5 33), 181251#(<= ULTIMATE.start_main_~i~5 34), 181248#(<= ULTIMATE.start_main_~i~5 31), 181249#(<= ULTIMATE.start_main_~i~5 32), 181254#(<= ULTIMATE.start_main_~i~5 37), 181255#(<= ULTIMATE.start_main_~i~5 38), 181252#(<= ULTIMATE.start_main_~i~5 35), 181253#(<= ULTIMATE.start_main_~i~5 36), 181258#(<= ULTIMATE.start_main_~i~5 41), 181259#(<= ULTIMATE.start_main_~i~5 42), 181256#(<= ULTIMATE.start_main_~i~5 39), 181257#(<= ULTIMATE.start_main_~i~5 40), 181262#(<= ULTIMATE.start_main_~i~5 45), 181263#(<= ULTIMATE.start_main_~i~5 46), 181260#(<= ULTIMATE.start_main_~i~5 43), 181261#(<= ULTIMATE.start_main_~i~5 44), 181266#(<= ULTIMATE.start_main_~i~5 49), 181267#(<= ULTIMATE.start_main_~i~5 50), 181264#(<= ULTIMATE.start_main_~i~5 47), 181265#(<= ULTIMATE.start_main_~i~5 48), 181270#(<= ULTIMATE.start_main_~i~5 53), 181271#(<= ULTIMATE.start_main_~i~5 54), 181268#(<= ULTIMATE.start_main_~i~5 51), 181269#(<= ULTIMATE.start_main_~i~5 52), 181274#(<= ULTIMATE.start_main_~i~5 57), 181275#(<= ULTIMATE.start_main_~i~5 58), 181272#(<= ULTIMATE.start_main_~i~5 55), 181273#(<= ULTIMATE.start_main_~i~5 56), 181278#(<= ULTIMATE.start_main_~i~5 61), 181279#(<= ULTIMATE.start_main_~i~5 62), 181276#(<= ULTIMATE.start_main_~i~5 59), 181277#(<= ULTIMATE.start_main_~i~5 60), 181282#(<= ULTIMATE.start_main_~i~5 65), 181283#(<= ULTIMATE.start_main_~i~5 66), 181280#(<= ULTIMATE.start_main_~i~5 63), 181281#(<= ULTIMATE.start_main_~i~5 64), 181286#(<= ULTIMATE.start_main_~i~5 69), 181287#(<= ULTIMATE.start_main_~i~5 70), 181284#(<= ULTIMATE.start_main_~i~5 67), 181285#(<= ULTIMATE.start_main_~i~5 68), 181290#(<= ULTIMATE.start_main_~i~5 73), 181291#(<= ULTIMATE.start_main_~i~5 74), 181288#(<= ULTIMATE.start_main_~i~5 71), 181289#(<= ULTIMATE.start_main_~i~5 72), 181294#(<= ULTIMATE.start_main_~i~5 77), 181295#(<= ULTIMATE.start_main_~i~5 78), 181292#(<= ULTIMATE.start_main_~i~5 75), 181293#(<= ULTIMATE.start_main_~i~5 76), 181298#(<= ULTIMATE.start_main_~i~5 81), 181299#(<= ULTIMATE.start_main_~i~5 82), 181296#(<= ULTIMATE.start_main_~i~5 79), 181297#(<= ULTIMATE.start_main_~i~5 80), 181302#(<= ULTIMATE.start_main_~i~5 85), 181303#(<= ULTIMATE.start_main_~i~5 86), 181300#(<= ULTIMATE.start_main_~i~5 83), 181301#(<= ULTIMATE.start_main_~i~5 84), 181306#(<= ULTIMATE.start_main_~i~5 89), 181307#(<= ULTIMATE.start_main_~i~5 90), 181304#(<= ULTIMATE.start_main_~i~5 87), 181305#(<= ULTIMATE.start_main_~i~5 88), 181310#(<= ULTIMATE.start_main_~i~5 93), 181311#(<= ULTIMATE.start_main_~i~5 94), 181308#(<= ULTIMATE.start_main_~i~5 91), 181309#(<= ULTIMATE.start_main_~i~5 92), 181314#(<= ULTIMATE.start_main_~i~5 97), 181315#(<= ULTIMATE.start_main_~i~5 98), 181312#(<= ULTIMATE.start_main_~i~5 95), 181313#(<= ULTIMATE.start_main_~i~5 96), 181318#(<= ULTIMATE.start_main_~i~5 101), 181319#(<= ULTIMATE.start_main_~i~5 102), 181316#(<= ULTIMATE.start_main_~i~5 99), 181317#(<= ULTIMATE.start_main_~i~5 100), 181322#(<= ULTIMATE.start_main_~i~5 105), 181323#(<= ULTIMATE.start_main_~i~5 106), 181320#(<= ULTIMATE.start_main_~i~5 103), 181321#(<= ULTIMATE.start_main_~i~5 104), 181326#(<= ULTIMATE.start_main_~i~5 109), 181327#(<= ULTIMATE.start_main_~i~5 110), 181324#(<= ULTIMATE.start_main_~i~5 107), 181325#(<= ULTIMATE.start_main_~i~5 108), 181330#(<= ULTIMATE.start_main_~i~5 113), 181331#(<= ULTIMATE.start_main_~i~5 114), 181328#(<= ULTIMATE.start_main_~i~5 111), 181329#(<= ULTIMATE.start_main_~i~5 112), 181334#(<= ULTIMATE.start_main_~i~5 117), 181335#(<= ULTIMATE.start_main_~i~5 118), 181332#(<= ULTIMATE.start_main_~i~5 115), 181333#(<= ULTIMATE.start_main_~i~5 116), 181338#(<= ULTIMATE.start_main_~i~5 121), 181339#(<= ULTIMATE.start_main_~i~5 122), 181336#(<= ULTIMATE.start_main_~i~5 119), 181337#(<= ULTIMATE.start_main_~i~5 120), 181342#(<= ULTIMATE.start_main_~i~5 125), 181343#(<= ULTIMATE.start_main_~i~5 126), 181340#(<= ULTIMATE.start_main_~i~5 123), 181341#(<= ULTIMATE.start_main_~i~5 124), 181346#(<= ULTIMATE.start_main_~i~5 129), 181347#(<= ULTIMATE.start_main_~i~5 130), 181344#(<= ULTIMATE.start_main_~i~5 127), 181345#(<= ULTIMATE.start_main_~i~5 128), 181350#(<= ULTIMATE.start_main_~i~5 133), 181351#(<= ULTIMATE.start_main_~i~5 134), 181348#(<= ULTIMATE.start_main_~i~5 131), 181349#(<= ULTIMATE.start_main_~i~5 132), 181354#(<= ULTIMATE.start_main_~i~5 137), 181355#(<= ULTIMATE.start_main_~i~5 138), 181352#(<= ULTIMATE.start_main_~i~5 135), 181353#(<= ULTIMATE.start_main_~i~5 136), 181358#(<= ULTIMATE.start_main_~i~5 141), 181359#(<= ULTIMATE.start_main_~i~5 142), 181356#(<= ULTIMATE.start_main_~i~5 139), 181357#(<= ULTIMATE.start_main_~i~5 140), 181362#(<= ULTIMATE.start_main_~i~5 145), 181363#(<= ULTIMATE.start_main_~i~5 146), 181360#(<= ULTIMATE.start_main_~i~5 143), 181361#(<= ULTIMATE.start_main_~i~5 144), 181366#(<= ULTIMATE.start_main_~i~5 149), 181367#(<= ULTIMATE.start_main_~i~5 150), 181364#(<= ULTIMATE.start_main_~i~5 147), 181365#(<= ULTIMATE.start_main_~i~5 148), 181370#(<= ULTIMATE.start_main_~i~5 153), 181371#(<= ULTIMATE.start_main_~i~5 154), 181368#(<= ULTIMATE.start_main_~i~5 151), 181369#(<= ULTIMATE.start_main_~i~5 152), 181374#(<= ULTIMATE.start_main_~i~5 157), 181375#(<= ULTIMATE.start_main_~i~5 158), 181372#(<= ULTIMATE.start_main_~i~5 155), 181373#(<= ULTIMATE.start_main_~i~5 156), 181378#(<= ULTIMATE.start_main_~i~5 161), 181379#(<= ULTIMATE.start_main_~i~5 162), 181376#(<= ULTIMATE.start_main_~i~5 159), 181377#(<= ULTIMATE.start_main_~i~5 160), 181382#(<= ULTIMATE.start_main_~i~5 165), 181383#(<= ULTIMATE.start_main_~i~5 166), 181380#(<= ULTIMATE.start_main_~i~5 163), 181381#(<= ULTIMATE.start_main_~i~5 164), 181386#(<= ULTIMATE.start_main_~i~5 169), 181387#(<= ULTIMATE.start_main_~i~5 170), 181384#(<= ULTIMATE.start_main_~i~5 167), 181385#(<= ULTIMATE.start_main_~i~5 168), 181390#(<= ULTIMATE.start_main_~i~5 173), 181391#(<= ULTIMATE.start_main_~i~5 174), 181388#(<= ULTIMATE.start_main_~i~5 171), 181389#(<= ULTIMATE.start_main_~i~5 172), 181394#(<= ULTIMATE.start_main_~i~5 177), 181395#(<= ULTIMATE.start_main_~i~5 178), 181392#(<= ULTIMATE.start_main_~i~5 175), 181393#(<= ULTIMATE.start_main_~i~5 176), 181398#(<= ULTIMATE.start_main_~i~5 181), 181399#(<= ULTIMATE.start_main_~i~5 182), 181396#(<= ULTIMATE.start_main_~i~5 179), 181397#(<= ULTIMATE.start_main_~i~5 180), 181402#(<= ULTIMATE.start_main_~i~5 185), 181403#(<= ULTIMATE.start_main_~i~5 186), 181400#(<= ULTIMATE.start_main_~i~5 183), 181401#(<= ULTIMATE.start_main_~i~5 184), 181406#(<= ULTIMATE.start_main_~i~5 189), 181407#(<= ULTIMATE.start_main_~i~5 190), 181404#(<= ULTIMATE.start_main_~i~5 187), 181405#(<= ULTIMATE.start_main_~i~5 188), 181410#(<= ULTIMATE.start_main_~i~5 193), 181411#(<= ULTIMATE.start_main_~i~5 194), 181408#(<= ULTIMATE.start_main_~i~5 191), 181409#(<= ULTIMATE.start_main_~i~5 192), 181412#(<= ULTIMATE.start_main_~i~5 195), 181413#(<= ULTIMATE.start_main_~i~5 196), 181215#true, 181218#(<= ULTIMATE.start_main_~i~5 1), 181219#(<= ULTIMATE.start_main_~i~5 2), 181216#false, 181217#(<= ULTIMATE.start_main_~i~5 0), 181222#(<= ULTIMATE.start_main_~i~5 5), 181223#(<= ULTIMATE.start_main_~i~5 6), 181220#(<= ULTIMATE.start_main_~i~5 3), 181221#(<= ULTIMATE.start_main_~i~5 4), 181226#(<= ULTIMATE.start_main_~i~5 9), 181227#(<= ULTIMATE.start_main_~i~5 10), 181224#(<= ULTIMATE.start_main_~i~5 7), 181225#(<= ULTIMATE.start_main_~i~5 8), 181230#(<= ULTIMATE.start_main_~i~5 13), 181231#(<= ULTIMATE.start_main_~i~5 14), 181228#(<= ULTIMATE.start_main_~i~5 11), 181229#(<= ULTIMATE.start_main_~i~5 12), 181234#(<= ULTIMATE.start_main_~i~5 17), 181235#(<= ULTIMATE.start_main_~i~5 18), 181232#(<= ULTIMATE.start_main_~i~5 15), 181233#(<= ULTIMATE.start_main_~i~5 16), 181238#(<= ULTIMATE.start_main_~i~5 21), 181239#(<= ULTIMATE.start_main_~i~5 22), 181236#(<= ULTIMATE.start_main_~i~5 19), 181237#(<= ULTIMATE.start_main_~i~5 20), 181242#(<= ULTIMATE.start_main_~i~5 25), 181243#(<= ULTIMATE.start_main_~i~5 26), 181240#(<= ULTIMATE.start_main_~i~5 23), 181241#(<= ULTIMATE.start_main_~i~5 24), 181246#(<= ULTIMATE.start_main_~i~5 29), 181247#(<= ULTIMATE.start_main_~i~5 30), 181244#(<= ULTIMATE.start_main_~i~5 27), 181245#(<= ULTIMATE.start_main_~i~5 28)] [2018-07-23 13:44:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 38612 backedges. 0 proven. 38612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:08,326 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:44:08,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:44:08,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:44:08,328 INFO L87 Difference]: Start difference. First operand 399 states and 400 transitions. Second operand 199 states. [2018-07-23 13:44:10,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:10,075 INFO L93 Difference]: Finished difference Result 405 states and 407 transitions. [2018-07-23 13:44:10,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:44:10,076 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 398 [2018-07-23 13:44:10,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:10,076 INFO L225 Difference]: With dead ends: 405 [2018-07-23 13:44:10,076 INFO L226 Difference]: Without dead ends: 401 [2018-07-23 13:44:10,077 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:44:10,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-07-23 13:44:10,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2018-07-23 13:44:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-07-23 13:44:10,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 402 transitions. [2018-07-23 13:44:10,082 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 402 transitions. Word has length 398 [2018-07-23 13:44:10,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:10,082 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 402 transitions. [2018-07-23 13:44:10,082 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:44:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 402 transitions. [2018-07-23 13:44:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-07-23 13:44:10,083 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:10,083 INFO L357 BasicCegarLoop]: trace histogram [198, 197, 1, 1, 1, 1, 1] [2018-07-23 13:44:10,083 INFO L414 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:10,083 INFO L82 PathProgramCache]: Analyzing trace with hash 584777127, now seen corresponding path program 197 times [2018-07-23 13:44:10,084 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 39006 backedges. 0 proven. 39006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:11,949 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:11,949 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:44:11,949 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:11,950 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 13:44:11,950 INFO L185 omatonBuilderFactory]: Interpolants [183026#true, 183027#false, 183030#(<= ULTIMATE.start_main_~i~5 2), 183031#(<= ULTIMATE.start_main_~i~5 3), 183028#(<= ULTIMATE.start_main_~i~5 0), 183029#(<= ULTIMATE.start_main_~i~5 1), 183034#(<= ULTIMATE.start_main_~i~5 6), 183035#(<= ULTIMATE.start_main_~i~5 7), 183032#(<= ULTIMATE.start_main_~i~5 4), 183033#(<= ULTIMATE.start_main_~i~5 5), 183038#(<= ULTIMATE.start_main_~i~5 10), 183039#(<= ULTIMATE.start_main_~i~5 11), 183036#(<= ULTIMATE.start_main_~i~5 8), 183037#(<= ULTIMATE.start_main_~i~5 9), 183042#(<= ULTIMATE.start_main_~i~5 14), 183043#(<= ULTIMATE.start_main_~i~5 15), 183040#(<= ULTIMATE.start_main_~i~5 12), 183041#(<= ULTIMATE.start_main_~i~5 13), 183046#(<= ULTIMATE.start_main_~i~5 18), 183047#(<= ULTIMATE.start_main_~i~5 19), 183044#(<= ULTIMATE.start_main_~i~5 16), 183045#(<= ULTIMATE.start_main_~i~5 17), 183050#(<= ULTIMATE.start_main_~i~5 22), 183051#(<= ULTIMATE.start_main_~i~5 23), 183048#(<= ULTIMATE.start_main_~i~5 20), 183049#(<= ULTIMATE.start_main_~i~5 21), 183054#(<= ULTIMATE.start_main_~i~5 26), 183055#(<= ULTIMATE.start_main_~i~5 27), 183052#(<= ULTIMATE.start_main_~i~5 24), 183053#(<= ULTIMATE.start_main_~i~5 25), 183058#(<= ULTIMATE.start_main_~i~5 30), 183059#(<= ULTIMATE.start_main_~i~5 31), 183056#(<= ULTIMATE.start_main_~i~5 28), 183057#(<= ULTIMATE.start_main_~i~5 29), 183062#(<= ULTIMATE.start_main_~i~5 34), 183063#(<= ULTIMATE.start_main_~i~5 35), 183060#(<= ULTIMATE.start_main_~i~5 32), 183061#(<= ULTIMATE.start_main_~i~5 33), 183066#(<= ULTIMATE.start_main_~i~5 38), 183067#(<= ULTIMATE.start_main_~i~5 39), 183064#(<= ULTIMATE.start_main_~i~5 36), 183065#(<= ULTIMATE.start_main_~i~5 37), 183070#(<= ULTIMATE.start_main_~i~5 42), 183071#(<= ULTIMATE.start_main_~i~5 43), 183068#(<= ULTIMATE.start_main_~i~5 40), 183069#(<= ULTIMATE.start_main_~i~5 41), 183074#(<= ULTIMATE.start_main_~i~5 46), 183075#(<= ULTIMATE.start_main_~i~5 47), 183072#(<= ULTIMATE.start_main_~i~5 44), 183073#(<= ULTIMATE.start_main_~i~5 45), 183078#(<= ULTIMATE.start_main_~i~5 50), 183079#(<= ULTIMATE.start_main_~i~5 51), 183076#(<= ULTIMATE.start_main_~i~5 48), 183077#(<= ULTIMATE.start_main_~i~5 49), 183082#(<= ULTIMATE.start_main_~i~5 54), 183083#(<= ULTIMATE.start_main_~i~5 55), 183080#(<= ULTIMATE.start_main_~i~5 52), 183081#(<= ULTIMATE.start_main_~i~5 53), 183086#(<= ULTIMATE.start_main_~i~5 58), 183087#(<= ULTIMATE.start_main_~i~5 59), 183084#(<= ULTIMATE.start_main_~i~5 56), 183085#(<= ULTIMATE.start_main_~i~5 57), 183090#(<= ULTIMATE.start_main_~i~5 62), 183091#(<= ULTIMATE.start_main_~i~5 63), 183088#(<= ULTIMATE.start_main_~i~5 60), 183089#(<= ULTIMATE.start_main_~i~5 61), 183094#(<= ULTIMATE.start_main_~i~5 66), 183095#(<= ULTIMATE.start_main_~i~5 67), 183092#(<= ULTIMATE.start_main_~i~5 64), 183093#(<= ULTIMATE.start_main_~i~5 65), 183098#(<= ULTIMATE.start_main_~i~5 70), 183099#(<= ULTIMATE.start_main_~i~5 71), 183096#(<= ULTIMATE.start_main_~i~5 68), 183097#(<= ULTIMATE.start_main_~i~5 69), 183102#(<= ULTIMATE.start_main_~i~5 74), 183103#(<= ULTIMATE.start_main_~i~5 75), 183100#(<= ULTIMATE.start_main_~i~5 72), 183101#(<= ULTIMATE.start_main_~i~5 73), 183106#(<= ULTIMATE.start_main_~i~5 78), 183107#(<= ULTIMATE.start_main_~i~5 79), 183104#(<= ULTIMATE.start_main_~i~5 76), 183105#(<= ULTIMATE.start_main_~i~5 77), 183110#(<= ULTIMATE.start_main_~i~5 82), 183111#(<= ULTIMATE.start_main_~i~5 83), 183108#(<= ULTIMATE.start_main_~i~5 80), 183109#(<= ULTIMATE.start_main_~i~5 81), 183114#(<= ULTIMATE.start_main_~i~5 86), 183115#(<= ULTIMATE.start_main_~i~5 87), 183112#(<= ULTIMATE.start_main_~i~5 84), 183113#(<= ULTIMATE.start_main_~i~5 85), 183118#(<= ULTIMATE.start_main_~i~5 90), 183119#(<= ULTIMATE.start_main_~i~5 91), 183116#(<= ULTIMATE.start_main_~i~5 88), 183117#(<= ULTIMATE.start_main_~i~5 89), 183122#(<= ULTIMATE.start_main_~i~5 94), 183123#(<= ULTIMATE.start_main_~i~5 95), 183120#(<= ULTIMATE.start_main_~i~5 92), 183121#(<= ULTIMATE.start_main_~i~5 93), 183126#(<= ULTIMATE.start_main_~i~5 98), 183127#(<= ULTIMATE.start_main_~i~5 99), 183124#(<= ULTIMATE.start_main_~i~5 96), 183125#(<= ULTIMATE.start_main_~i~5 97), 183130#(<= ULTIMATE.start_main_~i~5 102), 183131#(<= ULTIMATE.start_main_~i~5 103), 183128#(<= ULTIMATE.start_main_~i~5 100), 183129#(<= ULTIMATE.start_main_~i~5 101), 183134#(<= ULTIMATE.start_main_~i~5 106), 183135#(<= ULTIMATE.start_main_~i~5 107), 183132#(<= ULTIMATE.start_main_~i~5 104), 183133#(<= ULTIMATE.start_main_~i~5 105), 183138#(<= ULTIMATE.start_main_~i~5 110), 183139#(<= ULTIMATE.start_main_~i~5 111), 183136#(<= ULTIMATE.start_main_~i~5 108), 183137#(<= ULTIMATE.start_main_~i~5 109), 183142#(<= ULTIMATE.start_main_~i~5 114), 183143#(<= ULTIMATE.start_main_~i~5 115), 183140#(<= ULTIMATE.start_main_~i~5 112), 183141#(<= ULTIMATE.start_main_~i~5 113), 183146#(<= ULTIMATE.start_main_~i~5 118), 183147#(<= ULTIMATE.start_main_~i~5 119), 183144#(<= ULTIMATE.start_main_~i~5 116), 183145#(<= ULTIMATE.start_main_~i~5 117), 183150#(<= ULTIMATE.start_main_~i~5 122), 183151#(<= ULTIMATE.start_main_~i~5 123), 183148#(<= ULTIMATE.start_main_~i~5 120), 183149#(<= ULTIMATE.start_main_~i~5 121), 183154#(<= ULTIMATE.start_main_~i~5 126), 183155#(<= ULTIMATE.start_main_~i~5 127), 183152#(<= ULTIMATE.start_main_~i~5 124), 183153#(<= ULTIMATE.start_main_~i~5 125), 183158#(<= ULTIMATE.start_main_~i~5 130), 183159#(<= ULTIMATE.start_main_~i~5 131), 183156#(<= ULTIMATE.start_main_~i~5 128), 183157#(<= ULTIMATE.start_main_~i~5 129), 183162#(<= ULTIMATE.start_main_~i~5 134), 183163#(<= ULTIMATE.start_main_~i~5 135), 183160#(<= ULTIMATE.start_main_~i~5 132), 183161#(<= ULTIMATE.start_main_~i~5 133), 183166#(<= ULTIMATE.start_main_~i~5 138), 183167#(<= ULTIMATE.start_main_~i~5 139), 183164#(<= ULTIMATE.start_main_~i~5 136), 183165#(<= ULTIMATE.start_main_~i~5 137), 183170#(<= ULTIMATE.start_main_~i~5 142), 183171#(<= ULTIMATE.start_main_~i~5 143), 183168#(<= ULTIMATE.start_main_~i~5 140), 183169#(<= ULTIMATE.start_main_~i~5 141), 183174#(<= ULTIMATE.start_main_~i~5 146), 183175#(<= ULTIMATE.start_main_~i~5 147), 183172#(<= ULTIMATE.start_main_~i~5 144), 183173#(<= ULTIMATE.start_main_~i~5 145), 183178#(<= ULTIMATE.start_main_~i~5 150), 183179#(<= ULTIMATE.start_main_~i~5 151), 183176#(<= ULTIMATE.start_main_~i~5 148), 183177#(<= ULTIMATE.start_main_~i~5 149), 183182#(<= ULTIMATE.start_main_~i~5 154), 183183#(<= ULTIMATE.start_main_~i~5 155), 183180#(<= ULTIMATE.start_main_~i~5 152), 183181#(<= ULTIMATE.start_main_~i~5 153), 183186#(<= ULTIMATE.start_main_~i~5 158), 183187#(<= ULTIMATE.start_main_~i~5 159), 183184#(<= ULTIMATE.start_main_~i~5 156), 183185#(<= ULTIMATE.start_main_~i~5 157), 183190#(<= ULTIMATE.start_main_~i~5 162), 183191#(<= ULTIMATE.start_main_~i~5 163), 183188#(<= ULTIMATE.start_main_~i~5 160), 183189#(<= ULTIMATE.start_main_~i~5 161), 183194#(<= ULTIMATE.start_main_~i~5 166), 183195#(<= ULTIMATE.start_main_~i~5 167), 183192#(<= ULTIMATE.start_main_~i~5 164), 183193#(<= ULTIMATE.start_main_~i~5 165), 183198#(<= ULTIMATE.start_main_~i~5 170), 183199#(<= ULTIMATE.start_main_~i~5 171), 183196#(<= ULTIMATE.start_main_~i~5 168), 183197#(<= ULTIMATE.start_main_~i~5 169), 183202#(<= ULTIMATE.start_main_~i~5 174), 183203#(<= ULTIMATE.start_main_~i~5 175), 183200#(<= ULTIMATE.start_main_~i~5 172), 183201#(<= ULTIMATE.start_main_~i~5 173), 183206#(<= ULTIMATE.start_main_~i~5 178), 183207#(<= ULTIMATE.start_main_~i~5 179), 183204#(<= ULTIMATE.start_main_~i~5 176), 183205#(<= ULTIMATE.start_main_~i~5 177), 183210#(<= ULTIMATE.start_main_~i~5 182), 183211#(<= ULTIMATE.start_main_~i~5 183), 183208#(<= ULTIMATE.start_main_~i~5 180), 183209#(<= ULTIMATE.start_main_~i~5 181), 183214#(<= ULTIMATE.start_main_~i~5 186), 183215#(<= ULTIMATE.start_main_~i~5 187), 183212#(<= ULTIMATE.start_main_~i~5 184), 183213#(<= ULTIMATE.start_main_~i~5 185), 183218#(<= ULTIMATE.start_main_~i~5 190), 183219#(<= ULTIMATE.start_main_~i~5 191), 183216#(<= ULTIMATE.start_main_~i~5 188), 183217#(<= ULTIMATE.start_main_~i~5 189), 183222#(<= ULTIMATE.start_main_~i~5 194), 183223#(<= ULTIMATE.start_main_~i~5 195), 183220#(<= ULTIMATE.start_main_~i~5 192), 183221#(<= ULTIMATE.start_main_~i~5 193), 183224#(<= ULTIMATE.start_main_~i~5 196), 183225#(<= ULTIMATE.start_main_~i~5 197)] [2018-07-23 13:44:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 39006 backedges. 0 proven. 39006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:11,952 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:44:11,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:44:11,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:44:11,958 INFO L87 Difference]: Start difference. First operand 401 states and 402 transitions. Second operand 200 states. [2018-07-23 13:44:14,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:14,511 INFO L93 Difference]: Finished difference Result 407 states and 409 transitions. [2018-07-23 13:44:14,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2018-07-23 13:44:14,511 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 400 [2018-07-23 13:44:14,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:14,512 INFO L225 Difference]: With dead ends: 407 [2018-07-23 13:44:14,512 INFO L226 Difference]: Without dead ends: 403 [2018-07-23 13:44:14,514 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:44:14,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-07-23 13:44:14,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2018-07-23 13:44:14,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-07-23 13:44:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 404 transitions. [2018-07-23 13:44:14,519 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 404 transitions. Word has length 400 [2018-07-23 13:44:14,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:14,519 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 404 transitions. [2018-07-23 13:44:14,519 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:44:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 404 transitions. [2018-07-23 13:44:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-07-23 13:44:14,520 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:14,520 INFO L357 BasicCegarLoop]: trace histogram [199, 198, 1, 1, 1, 1, 1] [2018-07-23 13:44:14,521 INFO L414 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:14,521 INFO L82 PathProgramCache]: Analyzing trace with hash -753454941, now seen corresponding path program 198 times [2018-07-23 13:44:14,521 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 39402 backedges. 0 proven. 39402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:16,414 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:16,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:44:16,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:16,415 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 13:44:16,415 INFO L185 omatonBuilderFactory]: Interpolants [184846#true, 184847#false, 184850#(<= ULTIMATE.start_main_~i~5 2), 184851#(<= ULTIMATE.start_main_~i~5 3), 184848#(<= ULTIMATE.start_main_~i~5 0), 184849#(<= ULTIMATE.start_main_~i~5 1), 184854#(<= ULTIMATE.start_main_~i~5 6), 184855#(<= ULTIMATE.start_main_~i~5 7), 184852#(<= ULTIMATE.start_main_~i~5 4), 184853#(<= ULTIMATE.start_main_~i~5 5), 184858#(<= ULTIMATE.start_main_~i~5 10), 184859#(<= ULTIMATE.start_main_~i~5 11), 184856#(<= ULTIMATE.start_main_~i~5 8), 184857#(<= ULTIMATE.start_main_~i~5 9), 184862#(<= ULTIMATE.start_main_~i~5 14), 184863#(<= ULTIMATE.start_main_~i~5 15), 184860#(<= ULTIMATE.start_main_~i~5 12), 184861#(<= ULTIMATE.start_main_~i~5 13), 184866#(<= ULTIMATE.start_main_~i~5 18), 184867#(<= ULTIMATE.start_main_~i~5 19), 184864#(<= ULTIMATE.start_main_~i~5 16), 184865#(<= ULTIMATE.start_main_~i~5 17), 184870#(<= ULTIMATE.start_main_~i~5 22), 184871#(<= ULTIMATE.start_main_~i~5 23), 184868#(<= ULTIMATE.start_main_~i~5 20), 184869#(<= ULTIMATE.start_main_~i~5 21), 184874#(<= ULTIMATE.start_main_~i~5 26), 184875#(<= ULTIMATE.start_main_~i~5 27), 184872#(<= ULTIMATE.start_main_~i~5 24), 184873#(<= ULTIMATE.start_main_~i~5 25), 184878#(<= ULTIMATE.start_main_~i~5 30), 184879#(<= ULTIMATE.start_main_~i~5 31), 184876#(<= ULTIMATE.start_main_~i~5 28), 184877#(<= ULTIMATE.start_main_~i~5 29), 184882#(<= ULTIMATE.start_main_~i~5 34), 184883#(<= ULTIMATE.start_main_~i~5 35), 184880#(<= ULTIMATE.start_main_~i~5 32), 184881#(<= ULTIMATE.start_main_~i~5 33), 184886#(<= ULTIMATE.start_main_~i~5 38), 184887#(<= ULTIMATE.start_main_~i~5 39), 184884#(<= ULTIMATE.start_main_~i~5 36), 184885#(<= ULTIMATE.start_main_~i~5 37), 184890#(<= ULTIMATE.start_main_~i~5 42), 184891#(<= ULTIMATE.start_main_~i~5 43), 184888#(<= ULTIMATE.start_main_~i~5 40), 184889#(<= ULTIMATE.start_main_~i~5 41), 184894#(<= ULTIMATE.start_main_~i~5 46), 184895#(<= ULTIMATE.start_main_~i~5 47), 184892#(<= ULTIMATE.start_main_~i~5 44), 184893#(<= ULTIMATE.start_main_~i~5 45), 184898#(<= ULTIMATE.start_main_~i~5 50), 184899#(<= ULTIMATE.start_main_~i~5 51), 184896#(<= ULTIMATE.start_main_~i~5 48), 184897#(<= ULTIMATE.start_main_~i~5 49), 184902#(<= ULTIMATE.start_main_~i~5 54), 184903#(<= ULTIMATE.start_main_~i~5 55), 184900#(<= ULTIMATE.start_main_~i~5 52), 184901#(<= ULTIMATE.start_main_~i~5 53), 184906#(<= ULTIMATE.start_main_~i~5 58), 184907#(<= ULTIMATE.start_main_~i~5 59), 184904#(<= ULTIMATE.start_main_~i~5 56), 184905#(<= ULTIMATE.start_main_~i~5 57), 184910#(<= ULTIMATE.start_main_~i~5 62), 184911#(<= ULTIMATE.start_main_~i~5 63), 184908#(<= ULTIMATE.start_main_~i~5 60), 184909#(<= ULTIMATE.start_main_~i~5 61), 184914#(<= ULTIMATE.start_main_~i~5 66), 184915#(<= ULTIMATE.start_main_~i~5 67), 184912#(<= ULTIMATE.start_main_~i~5 64), 184913#(<= ULTIMATE.start_main_~i~5 65), 184918#(<= ULTIMATE.start_main_~i~5 70), 184919#(<= ULTIMATE.start_main_~i~5 71), 184916#(<= ULTIMATE.start_main_~i~5 68), 184917#(<= ULTIMATE.start_main_~i~5 69), 184922#(<= ULTIMATE.start_main_~i~5 74), 184923#(<= ULTIMATE.start_main_~i~5 75), 184920#(<= ULTIMATE.start_main_~i~5 72), 184921#(<= ULTIMATE.start_main_~i~5 73), 184926#(<= ULTIMATE.start_main_~i~5 78), 184927#(<= ULTIMATE.start_main_~i~5 79), 184924#(<= ULTIMATE.start_main_~i~5 76), 184925#(<= ULTIMATE.start_main_~i~5 77), 184930#(<= ULTIMATE.start_main_~i~5 82), 184931#(<= ULTIMATE.start_main_~i~5 83), 184928#(<= ULTIMATE.start_main_~i~5 80), 184929#(<= ULTIMATE.start_main_~i~5 81), 184934#(<= ULTIMATE.start_main_~i~5 86), 184935#(<= ULTIMATE.start_main_~i~5 87), 184932#(<= ULTIMATE.start_main_~i~5 84), 184933#(<= ULTIMATE.start_main_~i~5 85), 184938#(<= ULTIMATE.start_main_~i~5 90), 184939#(<= ULTIMATE.start_main_~i~5 91), 184936#(<= ULTIMATE.start_main_~i~5 88), 184937#(<= ULTIMATE.start_main_~i~5 89), 184942#(<= ULTIMATE.start_main_~i~5 94), 184943#(<= ULTIMATE.start_main_~i~5 95), 184940#(<= ULTIMATE.start_main_~i~5 92), 184941#(<= ULTIMATE.start_main_~i~5 93), 184946#(<= ULTIMATE.start_main_~i~5 98), 184947#(<= ULTIMATE.start_main_~i~5 99), 184944#(<= ULTIMATE.start_main_~i~5 96), 184945#(<= ULTIMATE.start_main_~i~5 97), 184950#(<= ULTIMATE.start_main_~i~5 102), 184951#(<= ULTIMATE.start_main_~i~5 103), 184948#(<= ULTIMATE.start_main_~i~5 100), 184949#(<= ULTIMATE.start_main_~i~5 101), 184954#(<= ULTIMATE.start_main_~i~5 106), 184955#(<= ULTIMATE.start_main_~i~5 107), 184952#(<= ULTIMATE.start_main_~i~5 104), 184953#(<= ULTIMATE.start_main_~i~5 105), 184958#(<= ULTIMATE.start_main_~i~5 110), 184959#(<= ULTIMATE.start_main_~i~5 111), 184956#(<= ULTIMATE.start_main_~i~5 108), 184957#(<= ULTIMATE.start_main_~i~5 109), 184962#(<= ULTIMATE.start_main_~i~5 114), 184963#(<= ULTIMATE.start_main_~i~5 115), 184960#(<= ULTIMATE.start_main_~i~5 112), 184961#(<= ULTIMATE.start_main_~i~5 113), 184966#(<= ULTIMATE.start_main_~i~5 118), 184967#(<= ULTIMATE.start_main_~i~5 119), 184964#(<= ULTIMATE.start_main_~i~5 116), 184965#(<= ULTIMATE.start_main_~i~5 117), 184970#(<= ULTIMATE.start_main_~i~5 122), 184971#(<= ULTIMATE.start_main_~i~5 123), 184968#(<= ULTIMATE.start_main_~i~5 120), 184969#(<= ULTIMATE.start_main_~i~5 121), 184974#(<= ULTIMATE.start_main_~i~5 126), 184975#(<= ULTIMATE.start_main_~i~5 127), 184972#(<= ULTIMATE.start_main_~i~5 124), 184973#(<= ULTIMATE.start_main_~i~5 125), 184978#(<= ULTIMATE.start_main_~i~5 130), 184979#(<= ULTIMATE.start_main_~i~5 131), 184976#(<= ULTIMATE.start_main_~i~5 128), 184977#(<= ULTIMATE.start_main_~i~5 129), 184982#(<= ULTIMATE.start_main_~i~5 134), 184983#(<= ULTIMATE.start_main_~i~5 135), 184980#(<= ULTIMATE.start_main_~i~5 132), 184981#(<= ULTIMATE.start_main_~i~5 133), 184986#(<= ULTIMATE.start_main_~i~5 138), 184987#(<= ULTIMATE.start_main_~i~5 139), 184984#(<= ULTIMATE.start_main_~i~5 136), 184985#(<= ULTIMATE.start_main_~i~5 137), 184990#(<= ULTIMATE.start_main_~i~5 142), 184991#(<= ULTIMATE.start_main_~i~5 143), 184988#(<= ULTIMATE.start_main_~i~5 140), 184989#(<= ULTIMATE.start_main_~i~5 141), 184994#(<= ULTIMATE.start_main_~i~5 146), 184995#(<= ULTIMATE.start_main_~i~5 147), 184992#(<= ULTIMATE.start_main_~i~5 144), 184993#(<= ULTIMATE.start_main_~i~5 145), 184998#(<= ULTIMATE.start_main_~i~5 150), 184999#(<= ULTIMATE.start_main_~i~5 151), 184996#(<= ULTIMATE.start_main_~i~5 148), 184997#(<= ULTIMATE.start_main_~i~5 149), 185002#(<= ULTIMATE.start_main_~i~5 154), 185003#(<= ULTIMATE.start_main_~i~5 155), 185000#(<= ULTIMATE.start_main_~i~5 152), 185001#(<= ULTIMATE.start_main_~i~5 153), 185006#(<= ULTIMATE.start_main_~i~5 158), 185007#(<= ULTIMATE.start_main_~i~5 159), 185004#(<= ULTIMATE.start_main_~i~5 156), 185005#(<= ULTIMATE.start_main_~i~5 157), 185010#(<= ULTIMATE.start_main_~i~5 162), 185011#(<= ULTIMATE.start_main_~i~5 163), 185008#(<= ULTIMATE.start_main_~i~5 160), 185009#(<= ULTIMATE.start_main_~i~5 161), 185014#(<= ULTIMATE.start_main_~i~5 166), 185015#(<= ULTIMATE.start_main_~i~5 167), 185012#(<= ULTIMATE.start_main_~i~5 164), 185013#(<= ULTIMATE.start_main_~i~5 165), 185018#(<= ULTIMATE.start_main_~i~5 170), 185019#(<= ULTIMATE.start_main_~i~5 171), 185016#(<= ULTIMATE.start_main_~i~5 168), 185017#(<= ULTIMATE.start_main_~i~5 169), 185022#(<= ULTIMATE.start_main_~i~5 174), 185023#(<= ULTIMATE.start_main_~i~5 175), 185020#(<= ULTIMATE.start_main_~i~5 172), 185021#(<= ULTIMATE.start_main_~i~5 173), 185026#(<= ULTIMATE.start_main_~i~5 178), 185027#(<= ULTIMATE.start_main_~i~5 179), 185024#(<= ULTIMATE.start_main_~i~5 176), 185025#(<= ULTIMATE.start_main_~i~5 177), 185030#(<= ULTIMATE.start_main_~i~5 182), 185031#(<= ULTIMATE.start_main_~i~5 183), 185028#(<= ULTIMATE.start_main_~i~5 180), 185029#(<= ULTIMATE.start_main_~i~5 181), 185034#(<= ULTIMATE.start_main_~i~5 186), 185035#(<= ULTIMATE.start_main_~i~5 187), 185032#(<= ULTIMATE.start_main_~i~5 184), 185033#(<= ULTIMATE.start_main_~i~5 185), 185038#(<= ULTIMATE.start_main_~i~5 190), 185039#(<= ULTIMATE.start_main_~i~5 191), 185036#(<= ULTIMATE.start_main_~i~5 188), 185037#(<= ULTIMATE.start_main_~i~5 189), 185042#(<= ULTIMATE.start_main_~i~5 194), 185043#(<= ULTIMATE.start_main_~i~5 195), 185040#(<= ULTIMATE.start_main_~i~5 192), 185041#(<= ULTIMATE.start_main_~i~5 193), 185046#(<= ULTIMATE.start_main_~i~5 198), 185044#(<= ULTIMATE.start_main_~i~5 196), 185045#(<= ULTIMATE.start_main_~i~5 197)] [2018-07-23 13:44:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 39402 backedges. 0 proven. 39402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:16,417 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:44:16,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:44:16,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:44:16,422 INFO L87 Difference]: Start difference. First operand 403 states and 404 transitions. Second operand 201 states. [2018-07-23 13:44:19,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:19,126 INFO L93 Difference]: Finished difference Result 409 states and 411 transitions. [2018-07-23 13:44:19,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:44:19,127 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 402 [2018-07-23 13:44:19,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:19,127 INFO L225 Difference]: With dead ends: 409 [2018-07-23 13:44:19,127 INFO L226 Difference]: Without dead ends: 405 [2018-07-23 13:44:19,129 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:44:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-07-23 13:44:19,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2018-07-23 13:44:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-07-23 13:44:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 406 transitions. [2018-07-23 13:44:19,134 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 406 transitions. Word has length 402 [2018-07-23 13:44:19,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:19,134 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 406 transitions. [2018-07-23 13:44:19,134 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:44:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 406 transitions. [2018-07-23 13:44:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-07-23 13:44:19,136 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:19,136 INFO L357 BasicCegarLoop]: trace histogram [200, 199, 1, 1, 1, 1, 1] [2018-07-23 13:44:19,136 INFO L414 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:19,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1695716511, now seen corresponding path program 199 times [2018-07-23 13:44:19,136 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 39800 backedges. 0 proven. 39800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:21,112 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:21,112 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [201] total 201 [2018-07-23 13:44:21,112 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:21,113 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 13:44:21,113 INFO L185 omatonBuilderFactory]: Interpolants [186675#true, 186678#(<= ULTIMATE.start_main_~i~5 1), 186679#(<= ULTIMATE.start_main_~i~5 2), 186676#false, 186677#(<= ULTIMATE.start_main_~i~5 0), 186682#(<= ULTIMATE.start_main_~i~5 5), 186683#(<= ULTIMATE.start_main_~i~5 6), 186680#(<= ULTIMATE.start_main_~i~5 3), 186681#(<= ULTIMATE.start_main_~i~5 4), 186686#(<= ULTIMATE.start_main_~i~5 9), 186687#(<= ULTIMATE.start_main_~i~5 10), 186684#(<= ULTIMATE.start_main_~i~5 7), 186685#(<= ULTIMATE.start_main_~i~5 8), 186690#(<= ULTIMATE.start_main_~i~5 13), 186691#(<= ULTIMATE.start_main_~i~5 14), 186688#(<= ULTIMATE.start_main_~i~5 11), 186689#(<= ULTIMATE.start_main_~i~5 12), 186694#(<= ULTIMATE.start_main_~i~5 17), 186695#(<= ULTIMATE.start_main_~i~5 18), 186692#(<= ULTIMATE.start_main_~i~5 15), 186693#(<= ULTIMATE.start_main_~i~5 16), 186698#(<= ULTIMATE.start_main_~i~5 21), 186699#(<= ULTIMATE.start_main_~i~5 22), 186696#(<= ULTIMATE.start_main_~i~5 19), 186697#(<= ULTIMATE.start_main_~i~5 20), 186702#(<= ULTIMATE.start_main_~i~5 25), 186703#(<= ULTIMATE.start_main_~i~5 26), 186700#(<= ULTIMATE.start_main_~i~5 23), 186701#(<= ULTIMATE.start_main_~i~5 24), 186706#(<= ULTIMATE.start_main_~i~5 29), 186707#(<= ULTIMATE.start_main_~i~5 30), 186704#(<= ULTIMATE.start_main_~i~5 27), 186705#(<= ULTIMATE.start_main_~i~5 28), 186710#(<= ULTIMATE.start_main_~i~5 33), 186711#(<= ULTIMATE.start_main_~i~5 34), 186708#(<= ULTIMATE.start_main_~i~5 31), 186709#(<= ULTIMATE.start_main_~i~5 32), 186714#(<= ULTIMATE.start_main_~i~5 37), 186715#(<= ULTIMATE.start_main_~i~5 38), 186712#(<= ULTIMATE.start_main_~i~5 35), 186713#(<= ULTIMATE.start_main_~i~5 36), 186718#(<= ULTIMATE.start_main_~i~5 41), 186719#(<= ULTIMATE.start_main_~i~5 42), 186716#(<= ULTIMATE.start_main_~i~5 39), 186717#(<= ULTIMATE.start_main_~i~5 40), 186722#(<= ULTIMATE.start_main_~i~5 45), 186723#(<= ULTIMATE.start_main_~i~5 46), 186720#(<= ULTIMATE.start_main_~i~5 43), 186721#(<= ULTIMATE.start_main_~i~5 44), 186726#(<= ULTIMATE.start_main_~i~5 49), 186727#(<= ULTIMATE.start_main_~i~5 50), 186724#(<= ULTIMATE.start_main_~i~5 47), 186725#(<= ULTIMATE.start_main_~i~5 48), 186730#(<= ULTIMATE.start_main_~i~5 53), 186731#(<= ULTIMATE.start_main_~i~5 54), 186728#(<= ULTIMATE.start_main_~i~5 51), 186729#(<= ULTIMATE.start_main_~i~5 52), 186734#(<= ULTIMATE.start_main_~i~5 57), 186735#(<= ULTIMATE.start_main_~i~5 58), 186732#(<= ULTIMATE.start_main_~i~5 55), 186733#(<= ULTIMATE.start_main_~i~5 56), 186738#(<= ULTIMATE.start_main_~i~5 61), 186739#(<= ULTIMATE.start_main_~i~5 62), 186736#(<= ULTIMATE.start_main_~i~5 59), 186737#(<= ULTIMATE.start_main_~i~5 60), 186742#(<= ULTIMATE.start_main_~i~5 65), 186743#(<= ULTIMATE.start_main_~i~5 66), 186740#(<= ULTIMATE.start_main_~i~5 63), 186741#(<= ULTIMATE.start_main_~i~5 64), 186746#(<= ULTIMATE.start_main_~i~5 69), 186747#(<= ULTIMATE.start_main_~i~5 70), 186744#(<= ULTIMATE.start_main_~i~5 67), 186745#(<= ULTIMATE.start_main_~i~5 68), 186750#(<= ULTIMATE.start_main_~i~5 73), 186751#(<= ULTIMATE.start_main_~i~5 74), 186748#(<= ULTIMATE.start_main_~i~5 71), 186749#(<= ULTIMATE.start_main_~i~5 72), 186754#(<= ULTIMATE.start_main_~i~5 77), 186755#(<= ULTIMATE.start_main_~i~5 78), 186752#(<= ULTIMATE.start_main_~i~5 75), 186753#(<= ULTIMATE.start_main_~i~5 76), 186758#(<= ULTIMATE.start_main_~i~5 81), 186759#(<= ULTIMATE.start_main_~i~5 82), 186756#(<= ULTIMATE.start_main_~i~5 79), 186757#(<= ULTIMATE.start_main_~i~5 80), 186762#(<= ULTIMATE.start_main_~i~5 85), 186763#(<= ULTIMATE.start_main_~i~5 86), 186760#(<= ULTIMATE.start_main_~i~5 83), 186761#(<= ULTIMATE.start_main_~i~5 84), 186766#(<= ULTIMATE.start_main_~i~5 89), 186767#(<= ULTIMATE.start_main_~i~5 90), 186764#(<= ULTIMATE.start_main_~i~5 87), 186765#(<= ULTIMATE.start_main_~i~5 88), 186770#(<= ULTIMATE.start_main_~i~5 93), 186771#(<= ULTIMATE.start_main_~i~5 94), 186768#(<= ULTIMATE.start_main_~i~5 91), 186769#(<= ULTIMATE.start_main_~i~5 92), 186774#(<= ULTIMATE.start_main_~i~5 97), 186775#(<= ULTIMATE.start_main_~i~5 98), 186772#(<= ULTIMATE.start_main_~i~5 95), 186773#(<= ULTIMATE.start_main_~i~5 96), 186778#(<= ULTIMATE.start_main_~i~5 101), 186779#(<= ULTIMATE.start_main_~i~5 102), 186776#(<= ULTIMATE.start_main_~i~5 99), 186777#(<= ULTIMATE.start_main_~i~5 100), 186782#(<= ULTIMATE.start_main_~i~5 105), 186783#(<= ULTIMATE.start_main_~i~5 106), 186780#(<= ULTIMATE.start_main_~i~5 103), 186781#(<= ULTIMATE.start_main_~i~5 104), 186786#(<= ULTIMATE.start_main_~i~5 109), 186787#(<= ULTIMATE.start_main_~i~5 110), 186784#(<= ULTIMATE.start_main_~i~5 107), 186785#(<= ULTIMATE.start_main_~i~5 108), 186790#(<= ULTIMATE.start_main_~i~5 113), 186791#(<= ULTIMATE.start_main_~i~5 114), 186788#(<= ULTIMATE.start_main_~i~5 111), 186789#(<= ULTIMATE.start_main_~i~5 112), 186794#(<= ULTIMATE.start_main_~i~5 117), 186795#(<= ULTIMATE.start_main_~i~5 118), 186792#(<= ULTIMATE.start_main_~i~5 115), 186793#(<= ULTIMATE.start_main_~i~5 116), 186798#(<= ULTIMATE.start_main_~i~5 121), 186799#(<= ULTIMATE.start_main_~i~5 122), 186796#(<= ULTIMATE.start_main_~i~5 119), 186797#(<= ULTIMATE.start_main_~i~5 120), 186802#(<= ULTIMATE.start_main_~i~5 125), 186803#(<= ULTIMATE.start_main_~i~5 126), 186800#(<= ULTIMATE.start_main_~i~5 123), 186801#(<= ULTIMATE.start_main_~i~5 124), 186806#(<= ULTIMATE.start_main_~i~5 129), 186807#(<= ULTIMATE.start_main_~i~5 130), 186804#(<= ULTIMATE.start_main_~i~5 127), 186805#(<= ULTIMATE.start_main_~i~5 128), 186810#(<= ULTIMATE.start_main_~i~5 133), 186811#(<= ULTIMATE.start_main_~i~5 134), 186808#(<= ULTIMATE.start_main_~i~5 131), 186809#(<= ULTIMATE.start_main_~i~5 132), 186814#(<= ULTIMATE.start_main_~i~5 137), 186815#(<= ULTIMATE.start_main_~i~5 138), 186812#(<= ULTIMATE.start_main_~i~5 135), 186813#(<= ULTIMATE.start_main_~i~5 136), 186818#(<= ULTIMATE.start_main_~i~5 141), 186819#(<= ULTIMATE.start_main_~i~5 142), 186816#(<= ULTIMATE.start_main_~i~5 139), 186817#(<= ULTIMATE.start_main_~i~5 140), 186822#(<= ULTIMATE.start_main_~i~5 145), 186823#(<= ULTIMATE.start_main_~i~5 146), 186820#(<= ULTIMATE.start_main_~i~5 143), 186821#(<= ULTIMATE.start_main_~i~5 144), 186826#(<= ULTIMATE.start_main_~i~5 149), 186827#(<= ULTIMATE.start_main_~i~5 150), 186824#(<= ULTIMATE.start_main_~i~5 147), 186825#(<= ULTIMATE.start_main_~i~5 148), 186830#(<= ULTIMATE.start_main_~i~5 153), 186831#(<= ULTIMATE.start_main_~i~5 154), 186828#(<= ULTIMATE.start_main_~i~5 151), 186829#(<= ULTIMATE.start_main_~i~5 152), 186834#(<= ULTIMATE.start_main_~i~5 157), 186835#(<= ULTIMATE.start_main_~i~5 158), 186832#(<= ULTIMATE.start_main_~i~5 155), 186833#(<= ULTIMATE.start_main_~i~5 156), 186838#(<= ULTIMATE.start_main_~i~5 161), 186839#(<= ULTIMATE.start_main_~i~5 162), 186836#(<= ULTIMATE.start_main_~i~5 159), 186837#(<= ULTIMATE.start_main_~i~5 160), 186842#(<= ULTIMATE.start_main_~i~5 165), 186843#(<= ULTIMATE.start_main_~i~5 166), 186840#(<= ULTIMATE.start_main_~i~5 163), 186841#(<= ULTIMATE.start_main_~i~5 164), 186846#(<= ULTIMATE.start_main_~i~5 169), 186847#(<= ULTIMATE.start_main_~i~5 170), 186844#(<= ULTIMATE.start_main_~i~5 167), 186845#(<= ULTIMATE.start_main_~i~5 168), 186850#(<= ULTIMATE.start_main_~i~5 173), 186851#(<= ULTIMATE.start_main_~i~5 174), 186848#(<= ULTIMATE.start_main_~i~5 171), 186849#(<= ULTIMATE.start_main_~i~5 172), 186854#(<= ULTIMATE.start_main_~i~5 177), 186855#(<= ULTIMATE.start_main_~i~5 178), 186852#(<= ULTIMATE.start_main_~i~5 175), 186853#(<= ULTIMATE.start_main_~i~5 176), 186858#(<= ULTIMATE.start_main_~i~5 181), 186859#(<= ULTIMATE.start_main_~i~5 182), 186856#(<= ULTIMATE.start_main_~i~5 179), 186857#(<= ULTIMATE.start_main_~i~5 180), 186862#(<= ULTIMATE.start_main_~i~5 185), 186863#(<= ULTIMATE.start_main_~i~5 186), 186860#(<= ULTIMATE.start_main_~i~5 183), 186861#(<= ULTIMATE.start_main_~i~5 184), 186866#(<= ULTIMATE.start_main_~i~5 189), 186867#(<= ULTIMATE.start_main_~i~5 190), 186864#(<= ULTIMATE.start_main_~i~5 187), 186865#(<= ULTIMATE.start_main_~i~5 188), 186870#(<= ULTIMATE.start_main_~i~5 193), 186871#(<= ULTIMATE.start_main_~i~5 194), 186868#(<= ULTIMATE.start_main_~i~5 191), 186869#(<= ULTIMATE.start_main_~i~5 192), 186874#(<= ULTIMATE.start_main_~i~5 197), 186875#(<= ULTIMATE.start_main_~i~5 198), 186872#(<= ULTIMATE.start_main_~i~5 195), 186873#(<= ULTIMATE.start_main_~i~5 196), 186876#(<= ULTIMATE.start_main_~i~5 199)] [2018-07-23 13:44:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 39800 backedges. 0 proven. 39800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:21,116 INFO L450 AbstractCegarLoop]: Interpolant automaton has 202 states [2018-07-23 13:44:21,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2018-07-23 13:44:21,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:44:21,123 INFO L87 Difference]: Start difference. First operand 405 states and 406 transitions. Second operand 202 states. [2018-07-23 13:44:23,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:23,353 INFO L93 Difference]: Finished difference Result 411 states and 413 transitions. [2018-07-23 13:44:23,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2018-07-23 13:44:23,353 INFO L78 Accepts]: Start accepts. Automaton has 202 states. Word has length 404 [2018-07-23 13:44:23,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:23,354 INFO L225 Difference]: With dead ends: 411 [2018-07-23 13:44:23,354 INFO L226 Difference]: Without dead ends: 407 [2018-07-23 13:44:23,355 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:44:23,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-07-23 13:44:23,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-07-23 13:44:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-07-23 13:44:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 408 transitions. [2018-07-23 13:44:23,359 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 408 transitions. Word has length 404 [2018-07-23 13:44:23,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:23,359 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 408 transitions. [2018-07-23 13:44:23,359 INFO L472 AbstractCegarLoop]: Interpolant automaton has 202 states. [2018-07-23 13:44:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 408 transitions. [2018-07-23 13:44:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2018-07-23 13:44:23,361 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:23,361 INFO L357 BasicCegarLoop]: trace histogram [201, 200, 1, 1, 1, 1, 1] [2018-07-23 13:44:23,361 INFO L414 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:23,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1707403675, now seen corresponding path program 200 times [2018-07-23 13:44:23,361 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 40200 backedges. 0 proven. 40200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:25,209 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:25,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [202] total 202 [2018-07-23 13:44:25,209 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:25,209 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 13:44:25,210 INFO L185 omatonBuilderFactory]: Interpolants [188514#false, 188515#(<= ULTIMATE.start_main_~i~5 0), 188513#true, 188518#(<= ULTIMATE.start_main_~i~5 3), 188519#(<= ULTIMATE.start_main_~i~5 4), 188516#(<= ULTIMATE.start_main_~i~5 1), 188517#(<= ULTIMATE.start_main_~i~5 2), 188522#(<= ULTIMATE.start_main_~i~5 7), 188523#(<= ULTIMATE.start_main_~i~5 8), 188520#(<= ULTIMATE.start_main_~i~5 5), 188521#(<= ULTIMATE.start_main_~i~5 6), 188526#(<= ULTIMATE.start_main_~i~5 11), 188527#(<= ULTIMATE.start_main_~i~5 12), 188524#(<= ULTIMATE.start_main_~i~5 9), 188525#(<= ULTIMATE.start_main_~i~5 10), 188530#(<= ULTIMATE.start_main_~i~5 15), 188531#(<= ULTIMATE.start_main_~i~5 16), 188528#(<= ULTIMATE.start_main_~i~5 13), 188529#(<= ULTIMATE.start_main_~i~5 14), 188534#(<= ULTIMATE.start_main_~i~5 19), 188535#(<= ULTIMATE.start_main_~i~5 20), 188532#(<= ULTIMATE.start_main_~i~5 17), 188533#(<= ULTIMATE.start_main_~i~5 18), 188538#(<= ULTIMATE.start_main_~i~5 23), 188539#(<= ULTIMATE.start_main_~i~5 24), 188536#(<= ULTIMATE.start_main_~i~5 21), 188537#(<= ULTIMATE.start_main_~i~5 22), 188542#(<= ULTIMATE.start_main_~i~5 27), 188543#(<= ULTIMATE.start_main_~i~5 28), 188540#(<= ULTIMATE.start_main_~i~5 25), 188541#(<= ULTIMATE.start_main_~i~5 26), 188546#(<= ULTIMATE.start_main_~i~5 31), 188547#(<= ULTIMATE.start_main_~i~5 32), 188544#(<= ULTIMATE.start_main_~i~5 29), 188545#(<= ULTIMATE.start_main_~i~5 30), 188550#(<= ULTIMATE.start_main_~i~5 35), 188551#(<= ULTIMATE.start_main_~i~5 36), 188548#(<= ULTIMATE.start_main_~i~5 33), 188549#(<= ULTIMATE.start_main_~i~5 34), 188554#(<= ULTIMATE.start_main_~i~5 39), 188555#(<= ULTIMATE.start_main_~i~5 40), 188552#(<= ULTIMATE.start_main_~i~5 37), 188553#(<= ULTIMATE.start_main_~i~5 38), 188558#(<= ULTIMATE.start_main_~i~5 43), 188559#(<= ULTIMATE.start_main_~i~5 44), 188556#(<= ULTIMATE.start_main_~i~5 41), 188557#(<= ULTIMATE.start_main_~i~5 42), 188562#(<= ULTIMATE.start_main_~i~5 47), 188563#(<= ULTIMATE.start_main_~i~5 48), 188560#(<= ULTIMATE.start_main_~i~5 45), 188561#(<= ULTIMATE.start_main_~i~5 46), 188566#(<= ULTIMATE.start_main_~i~5 51), 188567#(<= ULTIMATE.start_main_~i~5 52), 188564#(<= ULTIMATE.start_main_~i~5 49), 188565#(<= ULTIMATE.start_main_~i~5 50), 188570#(<= ULTIMATE.start_main_~i~5 55), 188571#(<= ULTIMATE.start_main_~i~5 56), 188568#(<= ULTIMATE.start_main_~i~5 53), 188569#(<= ULTIMATE.start_main_~i~5 54), 188574#(<= ULTIMATE.start_main_~i~5 59), 188575#(<= ULTIMATE.start_main_~i~5 60), 188572#(<= ULTIMATE.start_main_~i~5 57), 188573#(<= ULTIMATE.start_main_~i~5 58), 188578#(<= ULTIMATE.start_main_~i~5 63), 188579#(<= ULTIMATE.start_main_~i~5 64), 188576#(<= ULTIMATE.start_main_~i~5 61), 188577#(<= ULTIMATE.start_main_~i~5 62), 188582#(<= ULTIMATE.start_main_~i~5 67), 188583#(<= ULTIMATE.start_main_~i~5 68), 188580#(<= ULTIMATE.start_main_~i~5 65), 188581#(<= ULTIMATE.start_main_~i~5 66), 188586#(<= ULTIMATE.start_main_~i~5 71), 188587#(<= ULTIMATE.start_main_~i~5 72), 188584#(<= ULTIMATE.start_main_~i~5 69), 188585#(<= ULTIMATE.start_main_~i~5 70), 188590#(<= ULTIMATE.start_main_~i~5 75), 188591#(<= ULTIMATE.start_main_~i~5 76), 188588#(<= ULTIMATE.start_main_~i~5 73), 188589#(<= ULTIMATE.start_main_~i~5 74), 188594#(<= ULTIMATE.start_main_~i~5 79), 188595#(<= ULTIMATE.start_main_~i~5 80), 188592#(<= ULTIMATE.start_main_~i~5 77), 188593#(<= ULTIMATE.start_main_~i~5 78), 188598#(<= ULTIMATE.start_main_~i~5 83), 188599#(<= ULTIMATE.start_main_~i~5 84), 188596#(<= ULTIMATE.start_main_~i~5 81), 188597#(<= ULTIMATE.start_main_~i~5 82), 188602#(<= ULTIMATE.start_main_~i~5 87), 188603#(<= ULTIMATE.start_main_~i~5 88), 188600#(<= ULTIMATE.start_main_~i~5 85), 188601#(<= ULTIMATE.start_main_~i~5 86), 188606#(<= ULTIMATE.start_main_~i~5 91), 188607#(<= ULTIMATE.start_main_~i~5 92), 188604#(<= ULTIMATE.start_main_~i~5 89), 188605#(<= ULTIMATE.start_main_~i~5 90), 188610#(<= ULTIMATE.start_main_~i~5 95), 188611#(<= ULTIMATE.start_main_~i~5 96), 188608#(<= ULTIMATE.start_main_~i~5 93), 188609#(<= ULTIMATE.start_main_~i~5 94), 188614#(<= ULTIMATE.start_main_~i~5 99), 188615#(<= ULTIMATE.start_main_~i~5 100), 188612#(<= ULTIMATE.start_main_~i~5 97), 188613#(<= ULTIMATE.start_main_~i~5 98), 188618#(<= ULTIMATE.start_main_~i~5 103), 188619#(<= ULTIMATE.start_main_~i~5 104), 188616#(<= ULTIMATE.start_main_~i~5 101), 188617#(<= ULTIMATE.start_main_~i~5 102), 188622#(<= ULTIMATE.start_main_~i~5 107), 188623#(<= ULTIMATE.start_main_~i~5 108), 188620#(<= ULTIMATE.start_main_~i~5 105), 188621#(<= ULTIMATE.start_main_~i~5 106), 188626#(<= ULTIMATE.start_main_~i~5 111), 188627#(<= ULTIMATE.start_main_~i~5 112), 188624#(<= ULTIMATE.start_main_~i~5 109), 188625#(<= ULTIMATE.start_main_~i~5 110), 188630#(<= ULTIMATE.start_main_~i~5 115), 188631#(<= ULTIMATE.start_main_~i~5 116), 188628#(<= ULTIMATE.start_main_~i~5 113), 188629#(<= ULTIMATE.start_main_~i~5 114), 188634#(<= ULTIMATE.start_main_~i~5 119), 188635#(<= ULTIMATE.start_main_~i~5 120), 188632#(<= ULTIMATE.start_main_~i~5 117), 188633#(<= ULTIMATE.start_main_~i~5 118), 188638#(<= ULTIMATE.start_main_~i~5 123), 188639#(<= ULTIMATE.start_main_~i~5 124), 188636#(<= ULTIMATE.start_main_~i~5 121), 188637#(<= ULTIMATE.start_main_~i~5 122), 188642#(<= ULTIMATE.start_main_~i~5 127), 188643#(<= ULTIMATE.start_main_~i~5 128), 188640#(<= ULTIMATE.start_main_~i~5 125), 188641#(<= ULTIMATE.start_main_~i~5 126), 188646#(<= ULTIMATE.start_main_~i~5 131), 188647#(<= ULTIMATE.start_main_~i~5 132), 188644#(<= ULTIMATE.start_main_~i~5 129), 188645#(<= ULTIMATE.start_main_~i~5 130), 188650#(<= ULTIMATE.start_main_~i~5 135), 188651#(<= ULTIMATE.start_main_~i~5 136), 188648#(<= ULTIMATE.start_main_~i~5 133), 188649#(<= ULTIMATE.start_main_~i~5 134), 188654#(<= ULTIMATE.start_main_~i~5 139), 188655#(<= ULTIMATE.start_main_~i~5 140), 188652#(<= ULTIMATE.start_main_~i~5 137), 188653#(<= ULTIMATE.start_main_~i~5 138), 188658#(<= ULTIMATE.start_main_~i~5 143), 188659#(<= ULTIMATE.start_main_~i~5 144), 188656#(<= ULTIMATE.start_main_~i~5 141), 188657#(<= ULTIMATE.start_main_~i~5 142), 188662#(<= ULTIMATE.start_main_~i~5 147), 188663#(<= ULTIMATE.start_main_~i~5 148), 188660#(<= ULTIMATE.start_main_~i~5 145), 188661#(<= ULTIMATE.start_main_~i~5 146), 188666#(<= ULTIMATE.start_main_~i~5 151), 188667#(<= ULTIMATE.start_main_~i~5 152), 188664#(<= ULTIMATE.start_main_~i~5 149), 188665#(<= ULTIMATE.start_main_~i~5 150), 188670#(<= ULTIMATE.start_main_~i~5 155), 188671#(<= ULTIMATE.start_main_~i~5 156), 188668#(<= ULTIMATE.start_main_~i~5 153), 188669#(<= ULTIMATE.start_main_~i~5 154), 188674#(<= ULTIMATE.start_main_~i~5 159), 188675#(<= ULTIMATE.start_main_~i~5 160), 188672#(<= ULTIMATE.start_main_~i~5 157), 188673#(<= ULTIMATE.start_main_~i~5 158), 188678#(<= ULTIMATE.start_main_~i~5 163), 188679#(<= ULTIMATE.start_main_~i~5 164), 188676#(<= ULTIMATE.start_main_~i~5 161), 188677#(<= ULTIMATE.start_main_~i~5 162), 188682#(<= ULTIMATE.start_main_~i~5 167), 188683#(<= ULTIMATE.start_main_~i~5 168), 188680#(<= ULTIMATE.start_main_~i~5 165), 188681#(<= ULTIMATE.start_main_~i~5 166), 188686#(<= ULTIMATE.start_main_~i~5 171), 188687#(<= ULTIMATE.start_main_~i~5 172), 188684#(<= ULTIMATE.start_main_~i~5 169), 188685#(<= ULTIMATE.start_main_~i~5 170), 188690#(<= ULTIMATE.start_main_~i~5 175), 188691#(<= ULTIMATE.start_main_~i~5 176), 188688#(<= ULTIMATE.start_main_~i~5 173), 188689#(<= ULTIMATE.start_main_~i~5 174), 188694#(<= ULTIMATE.start_main_~i~5 179), 188695#(<= ULTIMATE.start_main_~i~5 180), 188692#(<= ULTIMATE.start_main_~i~5 177), 188693#(<= ULTIMATE.start_main_~i~5 178), 188698#(<= ULTIMATE.start_main_~i~5 183), 188699#(<= ULTIMATE.start_main_~i~5 184), 188696#(<= ULTIMATE.start_main_~i~5 181), 188697#(<= ULTIMATE.start_main_~i~5 182), 188702#(<= ULTIMATE.start_main_~i~5 187), 188703#(<= ULTIMATE.start_main_~i~5 188), 188700#(<= ULTIMATE.start_main_~i~5 185), 188701#(<= ULTIMATE.start_main_~i~5 186), 188706#(<= ULTIMATE.start_main_~i~5 191), 188707#(<= ULTIMATE.start_main_~i~5 192), 188704#(<= ULTIMATE.start_main_~i~5 189), 188705#(<= ULTIMATE.start_main_~i~5 190), 188710#(<= ULTIMATE.start_main_~i~5 195), 188711#(<= ULTIMATE.start_main_~i~5 196), 188708#(<= ULTIMATE.start_main_~i~5 193), 188709#(<= ULTIMATE.start_main_~i~5 194), 188714#(<= ULTIMATE.start_main_~i~5 199), 188715#(<= ULTIMATE.start_main_~i~5 200), 188712#(<= ULTIMATE.start_main_~i~5 197), 188713#(<= ULTIMATE.start_main_~i~5 198)] [2018-07-23 13:44:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 40200 backedges. 0 proven. 40200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:25,213 INFO L450 AbstractCegarLoop]: Interpolant automaton has 203 states [2018-07-23 13:44:25,217 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2018-07-23 13:44:25,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:44:25,220 INFO L87 Difference]: Start difference. First operand 407 states and 408 transitions. Second operand 203 states. [2018-07-23 13:44:26,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:26,790 INFO L93 Difference]: Finished difference Result 413 states and 415 transitions. [2018-07-23 13:44:26,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:44:26,791 INFO L78 Accepts]: Start accepts. Automaton has 203 states. Word has length 406 [2018-07-23 13:44:26,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:26,791 INFO L225 Difference]: With dead ends: 413 [2018-07-23 13:44:26,792 INFO L226 Difference]: Without dead ends: 409 [2018-07-23 13:44:26,794 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:44:26,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-07-23 13:44:26,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2018-07-23 13:44:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-07-23 13:44:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 410 transitions. [2018-07-23 13:44:26,800 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 410 transitions. Word has length 406 [2018-07-23 13:44:26,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:26,800 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 410 transitions. [2018-07-23 13:44:26,800 INFO L472 AbstractCegarLoop]: Interpolant automaton has 203 states. [2018-07-23 13:44:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 410 transitions. [2018-07-23 13:44:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-07-23 13:44:26,802 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:26,802 INFO L357 BasicCegarLoop]: trace histogram [202, 201, 1, 1, 1, 1, 1] [2018-07-23 13:44:26,802 INFO L414 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:26,802 INFO L82 PathProgramCache]: Analyzing trace with hash 53866391, now seen corresponding path program 201 times [2018-07-23 13:44:26,803 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:28,715 INFO L134 CoverageAnalysis]: Checked inductivity of 40602 backedges. 0 proven. 40602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:28,715 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:28,716 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:44:28,716 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:28,716 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 13:44:28,716 INFO L185 omatonBuilderFactory]: Interpolants [190466#(<= ULTIMATE.start_main_~i~5 104), 190467#(<= ULTIMATE.start_main_~i~5 105), 190464#(<= ULTIMATE.start_main_~i~5 102), 190465#(<= ULTIMATE.start_main_~i~5 103), 190470#(<= ULTIMATE.start_main_~i~5 108), 190471#(<= ULTIMATE.start_main_~i~5 109), 190468#(<= ULTIMATE.start_main_~i~5 106), 190469#(<= ULTIMATE.start_main_~i~5 107), 190474#(<= ULTIMATE.start_main_~i~5 112), 190475#(<= ULTIMATE.start_main_~i~5 113), 190472#(<= ULTIMATE.start_main_~i~5 110), 190473#(<= ULTIMATE.start_main_~i~5 111), 190478#(<= ULTIMATE.start_main_~i~5 116), 190479#(<= ULTIMATE.start_main_~i~5 117), 190476#(<= ULTIMATE.start_main_~i~5 114), 190477#(<= ULTIMATE.start_main_~i~5 115), 190482#(<= ULTIMATE.start_main_~i~5 120), 190483#(<= ULTIMATE.start_main_~i~5 121), 190480#(<= ULTIMATE.start_main_~i~5 118), 190481#(<= ULTIMATE.start_main_~i~5 119), 190486#(<= ULTIMATE.start_main_~i~5 124), 190487#(<= ULTIMATE.start_main_~i~5 125), 190484#(<= ULTIMATE.start_main_~i~5 122), 190485#(<= ULTIMATE.start_main_~i~5 123), 190490#(<= ULTIMATE.start_main_~i~5 128), 190491#(<= ULTIMATE.start_main_~i~5 129), 190488#(<= ULTIMATE.start_main_~i~5 126), 190489#(<= ULTIMATE.start_main_~i~5 127), 190494#(<= ULTIMATE.start_main_~i~5 132), 190495#(<= ULTIMATE.start_main_~i~5 133), 190492#(<= ULTIMATE.start_main_~i~5 130), 190493#(<= ULTIMATE.start_main_~i~5 131), 190498#(<= ULTIMATE.start_main_~i~5 136), 190499#(<= ULTIMATE.start_main_~i~5 137), 190496#(<= ULTIMATE.start_main_~i~5 134), 190497#(<= ULTIMATE.start_main_~i~5 135), 190502#(<= ULTIMATE.start_main_~i~5 140), 190503#(<= ULTIMATE.start_main_~i~5 141), 190500#(<= ULTIMATE.start_main_~i~5 138), 190501#(<= ULTIMATE.start_main_~i~5 139), 190506#(<= ULTIMATE.start_main_~i~5 144), 190507#(<= ULTIMATE.start_main_~i~5 145), 190504#(<= ULTIMATE.start_main_~i~5 142), 190505#(<= ULTIMATE.start_main_~i~5 143), 190510#(<= ULTIMATE.start_main_~i~5 148), 190511#(<= ULTIMATE.start_main_~i~5 149), 190508#(<= ULTIMATE.start_main_~i~5 146), 190509#(<= ULTIMATE.start_main_~i~5 147), 190514#(<= ULTIMATE.start_main_~i~5 152), 190515#(<= ULTIMATE.start_main_~i~5 153), 190512#(<= ULTIMATE.start_main_~i~5 150), 190513#(<= ULTIMATE.start_main_~i~5 151), 190518#(<= ULTIMATE.start_main_~i~5 156), 190519#(<= ULTIMATE.start_main_~i~5 157), 190516#(<= ULTIMATE.start_main_~i~5 154), 190517#(<= ULTIMATE.start_main_~i~5 155), 190522#(<= ULTIMATE.start_main_~i~5 160), 190523#(<= ULTIMATE.start_main_~i~5 161), 190520#(<= ULTIMATE.start_main_~i~5 158), 190521#(<= ULTIMATE.start_main_~i~5 159), 190526#(<= ULTIMATE.start_main_~i~5 164), 190527#(<= ULTIMATE.start_main_~i~5 165), 190524#(<= ULTIMATE.start_main_~i~5 162), 190525#(<= ULTIMATE.start_main_~i~5 163), 190530#(<= ULTIMATE.start_main_~i~5 168), 190531#(<= ULTIMATE.start_main_~i~5 169), 190528#(<= ULTIMATE.start_main_~i~5 166), 190529#(<= ULTIMATE.start_main_~i~5 167), 190534#(<= ULTIMATE.start_main_~i~5 172), 190535#(<= ULTIMATE.start_main_~i~5 173), 190532#(<= ULTIMATE.start_main_~i~5 170), 190533#(<= ULTIMATE.start_main_~i~5 171), 190538#(<= ULTIMATE.start_main_~i~5 176), 190539#(<= ULTIMATE.start_main_~i~5 177), 190536#(<= ULTIMATE.start_main_~i~5 174), 190537#(<= ULTIMATE.start_main_~i~5 175), 190542#(<= ULTIMATE.start_main_~i~5 180), 190543#(<= ULTIMATE.start_main_~i~5 181), 190540#(<= ULTIMATE.start_main_~i~5 178), 190541#(<= ULTIMATE.start_main_~i~5 179), 190546#(<= ULTIMATE.start_main_~i~5 184), 190547#(<= ULTIMATE.start_main_~i~5 185), 190544#(<= ULTIMATE.start_main_~i~5 182), 190545#(<= ULTIMATE.start_main_~i~5 183), 190550#(<= ULTIMATE.start_main_~i~5 188), 190551#(<= ULTIMATE.start_main_~i~5 189), 190548#(<= ULTIMATE.start_main_~i~5 186), 190549#(<= ULTIMATE.start_main_~i~5 187), 190554#(<= ULTIMATE.start_main_~i~5 192), 190555#(<= ULTIMATE.start_main_~i~5 193), 190552#(<= ULTIMATE.start_main_~i~5 190), 190553#(<= ULTIMATE.start_main_~i~5 191), 190558#(<= ULTIMATE.start_main_~i~5 196), 190559#(<= ULTIMATE.start_main_~i~5 197), 190556#(<= ULTIMATE.start_main_~i~5 194), 190557#(<= ULTIMATE.start_main_~i~5 195), 190562#(<= ULTIMATE.start_main_~i~5 200), 190563#(<= ULTIMATE.start_main_~i~5 201), 190560#(<= ULTIMATE.start_main_~i~5 198), 190561#(<= ULTIMATE.start_main_~i~5 199), 190362#(<= ULTIMATE.start_main_~i~5 0), 190363#(<= ULTIMATE.start_main_~i~5 1), 190360#true, 190361#false, 190366#(<= ULTIMATE.start_main_~i~5 4), 190367#(<= ULTIMATE.start_main_~i~5 5), 190364#(<= ULTIMATE.start_main_~i~5 2), 190365#(<= ULTIMATE.start_main_~i~5 3), 190370#(<= ULTIMATE.start_main_~i~5 8), 190371#(<= ULTIMATE.start_main_~i~5 9), 190368#(<= ULTIMATE.start_main_~i~5 6), 190369#(<= ULTIMATE.start_main_~i~5 7), 190374#(<= ULTIMATE.start_main_~i~5 12), 190375#(<= ULTIMATE.start_main_~i~5 13), 190372#(<= ULTIMATE.start_main_~i~5 10), 190373#(<= ULTIMATE.start_main_~i~5 11), 190378#(<= ULTIMATE.start_main_~i~5 16), 190379#(<= ULTIMATE.start_main_~i~5 17), 190376#(<= ULTIMATE.start_main_~i~5 14), 190377#(<= ULTIMATE.start_main_~i~5 15), 190382#(<= ULTIMATE.start_main_~i~5 20), 190383#(<= ULTIMATE.start_main_~i~5 21), 190380#(<= ULTIMATE.start_main_~i~5 18), 190381#(<= ULTIMATE.start_main_~i~5 19), 190386#(<= ULTIMATE.start_main_~i~5 24), 190387#(<= ULTIMATE.start_main_~i~5 25), 190384#(<= ULTIMATE.start_main_~i~5 22), 190385#(<= ULTIMATE.start_main_~i~5 23), 190390#(<= ULTIMATE.start_main_~i~5 28), 190391#(<= ULTIMATE.start_main_~i~5 29), 190388#(<= ULTIMATE.start_main_~i~5 26), 190389#(<= ULTIMATE.start_main_~i~5 27), 190394#(<= ULTIMATE.start_main_~i~5 32), 190395#(<= ULTIMATE.start_main_~i~5 33), 190392#(<= ULTIMATE.start_main_~i~5 30), 190393#(<= ULTIMATE.start_main_~i~5 31), 190398#(<= ULTIMATE.start_main_~i~5 36), 190399#(<= ULTIMATE.start_main_~i~5 37), 190396#(<= ULTIMATE.start_main_~i~5 34), 190397#(<= ULTIMATE.start_main_~i~5 35), 190402#(<= ULTIMATE.start_main_~i~5 40), 190403#(<= ULTIMATE.start_main_~i~5 41), 190400#(<= ULTIMATE.start_main_~i~5 38), 190401#(<= ULTIMATE.start_main_~i~5 39), 190406#(<= ULTIMATE.start_main_~i~5 44), 190407#(<= ULTIMATE.start_main_~i~5 45), 190404#(<= ULTIMATE.start_main_~i~5 42), 190405#(<= ULTIMATE.start_main_~i~5 43), 190410#(<= ULTIMATE.start_main_~i~5 48), 190411#(<= ULTIMATE.start_main_~i~5 49), 190408#(<= ULTIMATE.start_main_~i~5 46), 190409#(<= ULTIMATE.start_main_~i~5 47), 190414#(<= ULTIMATE.start_main_~i~5 52), 190415#(<= ULTIMATE.start_main_~i~5 53), 190412#(<= ULTIMATE.start_main_~i~5 50), 190413#(<= ULTIMATE.start_main_~i~5 51), 190418#(<= ULTIMATE.start_main_~i~5 56), 190419#(<= ULTIMATE.start_main_~i~5 57), 190416#(<= ULTIMATE.start_main_~i~5 54), 190417#(<= ULTIMATE.start_main_~i~5 55), 190422#(<= ULTIMATE.start_main_~i~5 60), 190423#(<= ULTIMATE.start_main_~i~5 61), 190420#(<= ULTIMATE.start_main_~i~5 58), 190421#(<= ULTIMATE.start_main_~i~5 59), 190426#(<= ULTIMATE.start_main_~i~5 64), 190427#(<= ULTIMATE.start_main_~i~5 65), 190424#(<= ULTIMATE.start_main_~i~5 62), 190425#(<= ULTIMATE.start_main_~i~5 63), 190430#(<= ULTIMATE.start_main_~i~5 68), 190431#(<= ULTIMATE.start_main_~i~5 69), 190428#(<= ULTIMATE.start_main_~i~5 66), 190429#(<= ULTIMATE.start_main_~i~5 67), 190434#(<= ULTIMATE.start_main_~i~5 72), 190435#(<= ULTIMATE.start_main_~i~5 73), 190432#(<= ULTIMATE.start_main_~i~5 70), 190433#(<= ULTIMATE.start_main_~i~5 71), 190438#(<= ULTIMATE.start_main_~i~5 76), 190439#(<= ULTIMATE.start_main_~i~5 77), 190436#(<= ULTIMATE.start_main_~i~5 74), 190437#(<= ULTIMATE.start_main_~i~5 75), 190442#(<= ULTIMATE.start_main_~i~5 80), 190443#(<= ULTIMATE.start_main_~i~5 81), 190440#(<= ULTIMATE.start_main_~i~5 78), 190441#(<= ULTIMATE.start_main_~i~5 79), 190446#(<= ULTIMATE.start_main_~i~5 84), 190447#(<= ULTIMATE.start_main_~i~5 85), 190444#(<= ULTIMATE.start_main_~i~5 82), 190445#(<= ULTIMATE.start_main_~i~5 83), 190450#(<= ULTIMATE.start_main_~i~5 88), 190451#(<= ULTIMATE.start_main_~i~5 89), 190448#(<= ULTIMATE.start_main_~i~5 86), 190449#(<= ULTIMATE.start_main_~i~5 87), 190454#(<= ULTIMATE.start_main_~i~5 92), 190455#(<= ULTIMATE.start_main_~i~5 93), 190452#(<= ULTIMATE.start_main_~i~5 90), 190453#(<= ULTIMATE.start_main_~i~5 91), 190458#(<= ULTIMATE.start_main_~i~5 96), 190459#(<= ULTIMATE.start_main_~i~5 97), 190456#(<= ULTIMATE.start_main_~i~5 94), 190457#(<= ULTIMATE.start_main_~i~5 95), 190462#(<= ULTIMATE.start_main_~i~5 100), 190463#(<= ULTIMATE.start_main_~i~5 101), 190460#(<= ULTIMATE.start_main_~i~5 98), 190461#(<= ULTIMATE.start_main_~i~5 99)] [2018-07-23 13:44:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 40602 backedges. 0 proven. 40602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:28,719 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:44:28,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:44:28,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:44:28,724 INFO L87 Difference]: Start difference. First operand 409 states and 410 transitions. Second operand 204 states. [2018-07-23 13:44:29,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:29,437 INFO L93 Difference]: Finished difference Result 415 states and 417 transitions. [2018-07-23 13:44:29,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2018-07-23 13:44:29,437 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 408 [2018-07-23 13:44:29,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:29,438 INFO L225 Difference]: With dead ends: 415 [2018-07-23 13:44:29,438 INFO L226 Difference]: Without dead ends: 411 [2018-07-23 13:44:29,440 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:44:29,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-07-23 13:44:29,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2018-07-23 13:44:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-07-23 13:44:29,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 412 transitions. [2018-07-23 13:44:29,446 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 412 transitions. Word has length 408 [2018-07-23 13:44:29,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:29,446 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 412 transitions. [2018-07-23 13:44:29,446 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:44:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 412 transitions. [2018-07-23 13:44:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-07-23 13:44:29,448 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:29,448 INFO L357 BasicCegarLoop]: trace histogram [203, 202, 1, 1, 1, 1, 1] [2018-07-23 13:44:29,448 INFO L414 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:29,448 INFO L82 PathProgramCache]: Analyzing trace with hash 142435987, now seen corresponding path program 202 times [2018-07-23 13:44:29,448 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 41006 backedges. 0 proven. 41006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:31,598 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:31,598 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [204] total 204 [2018-07-23 13:44:31,599 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:31,599 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 13:44:31,599 INFO L185 omatonBuilderFactory]: Interpolants [192218#(<= ULTIMATE.start_main_~i~5 0), 192219#(<= ULTIMATE.start_main_~i~5 1), 192216#true, 192217#false, 192222#(<= ULTIMATE.start_main_~i~5 4), 192223#(<= ULTIMATE.start_main_~i~5 5), 192220#(<= ULTIMATE.start_main_~i~5 2), 192221#(<= ULTIMATE.start_main_~i~5 3), 192226#(<= ULTIMATE.start_main_~i~5 8), 192227#(<= ULTIMATE.start_main_~i~5 9), 192224#(<= ULTIMATE.start_main_~i~5 6), 192225#(<= ULTIMATE.start_main_~i~5 7), 192230#(<= ULTIMATE.start_main_~i~5 12), 192231#(<= ULTIMATE.start_main_~i~5 13), 192228#(<= ULTIMATE.start_main_~i~5 10), 192229#(<= ULTIMATE.start_main_~i~5 11), 192234#(<= ULTIMATE.start_main_~i~5 16), 192235#(<= ULTIMATE.start_main_~i~5 17), 192232#(<= ULTIMATE.start_main_~i~5 14), 192233#(<= ULTIMATE.start_main_~i~5 15), 192238#(<= ULTIMATE.start_main_~i~5 20), 192239#(<= ULTIMATE.start_main_~i~5 21), 192236#(<= ULTIMATE.start_main_~i~5 18), 192237#(<= ULTIMATE.start_main_~i~5 19), 192242#(<= ULTIMATE.start_main_~i~5 24), 192243#(<= ULTIMATE.start_main_~i~5 25), 192240#(<= ULTIMATE.start_main_~i~5 22), 192241#(<= ULTIMATE.start_main_~i~5 23), 192246#(<= ULTIMATE.start_main_~i~5 28), 192247#(<= ULTIMATE.start_main_~i~5 29), 192244#(<= ULTIMATE.start_main_~i~5 26), 192245#(<= ULTIMATE.start_main_~i~5 27), 192250#(<= ULTIMATE.start_main_~i~5 32), 192251#(<= ULTIMATE.start_main_~i~5 33), 192248#(<= ULTIMATE.start_main_~i~5 30), 192249#(<= ULTIMATE.start_main_~i~5 31), 192254#(<= ULTIMATE.start_main_~i~5 36), 192255#(<= ULTIMATE.start_main_~i~5 37), 192252#(<= ULTIMATE.start_main_~i~5 34), 192253#(<= ULTIMATE.start_main_~i~5 35), 192258#(<= ULTIMATE.start_main_~i~5 40), 192259#(<= ULTIMATE.start_main_~i~5 41), 192256#(<= ULTIMATE.start_main_~i~5 38), 192257#(<= ULTIMATE.start_main_~i~5 39), 192262#(<= ULTIMATE.start_main_~i~5 44), 192263#(<= ULTIMATE.start_main_~i~5 45), 192260#(<= ULTIMATE.start_main_~i~5 42), 192261#(<= ULTIMATE.start_main_~i~5 43), 192266#(<= ULTIMATE.start_main_~i~5 48), 192267#(<= ULTIMATE.start_main_~i~5 49), 192264#(<= ULTIMATE.start_main_~i~5 46), 192265#(<= ULTIMATE.start_main_~i~5 47), 192270#(<= ULTIMATE.start_main_~i~5 52), 192271#(<= ULTIMATE.start_main_~i~5 53), 192268#(<= ULTIMATE.start_main_~i~5 50), 192269#(<= ULTIMATE.start_main_~i~5 51), 192274#(<= ULTIMATE.start_main_~i~5 56), 192275#(<= ULTIMATE.start_main_~i~5 57), 192272#(<= ULTIMATE.start_main_~i~5 54), 192273#(<= ULTIMATE.start_main_~i~5 55), 192278#(<= ULTIMATE.start_main_~i~5 60), 192279#(<= ULTIMATE.start_main_~i~5 61), 192276#(<= ULTIMATE.start_main_~i~5 58), 192277#(<= ULTIMATE.start_main_~i~5 59), 192282#(<= ULTIMATE.start_main_~i~5 64), 192283#(<= ULTIMATE.start_main_~i~5 65), 192280#(<= ULTIMATE.start_main_~i~5 62), 192281#(<= ULTIMATE.start_main_~i~5 63), 192286#(<= ULTIMATE.start_main_~i~5 68), 192287#(<= ULTIMATE.start_main_~i~5 69), 192284#(<= ULTIMATE.start_main_~i~5 66), 192285#(<= ULTIMATE.start_main_~i~5 67), 192290#(<= ULTIMATE.start_main_~i~5 72), 192291#(<= ULTIMATE.start_main_~i~5 73), 192288#(<= ULTIMATE.start_main_~i~5 70), 192289#(<= ULTIMATE.start_main_~i~5 71), 192294#(<= ULTIMATE.start_main_~i~5 76), 192295#(<= ULTIMATE.start_main_~i~5 77), 192292#(<= ULTIMATE.start_main_~i~5 74), 192293#(<= ULTIMATE.start_main_~i~5 75), 192298#(<= ULTIMATE.start_main_~i~5 80), 192299#(<= ULTIMATE.start_main_~i~5 81), 192296#(<= ULTIMATE.start_main_~i~5 78), 192297#(<= ULTIMATE.start_main_~i~5 79), 192302#(<= ULTIMATE.start_main_~i~5 84), 192303#(<= ULTIMATE.start_main_~i~5 85), 192300#(<= ULTIMATE.start_main_~i~5 82), 192301#(<= ULTIMATE.start_main_~i~5 83), 192306#(<= ULTIMATE.start_main_~i~5 88), 192307#(<= ULTIMATE.start_main_~i~5 89), 192304#(<= ULTIMATE.start_main_~i~5 86), 192305#(<= ULTIMATE.start_main_~i~5 87), 192310#(<= ULTIMATE.start_main_~i~5 92), 192311#(<= ULTIMATE.start_main_~i~5 93), 192308#(<= ULTIMATE.start_main_~i~5 90), 192309#(<= ULTIMATE.start_main_~i~5 91), 192314#(<= ULTIMATE.start_main_~i~5 96), 192315#(<= ULTIMATE.start_main_~i~5 97), 192312#(<= ULTIMATE.start_main_~i~5 94), 192313#(<= ULTIMATE.start_main_~i~5 95), 192318#(<= ULTIMATE.start_main_~i~5 100), 192319#(<= ULTIMATE.start_main_~i~5 101), 192316#(<= ULTIMATE.start_main_~i~5 98), 192317#(<= ULTIMATE.start_main_~i~5 99), 192322#(<= ULTIMATE.start_main_~i~5 104), 192323#(<= ULTIMATE.start_main_~i~5 105), 192320#(<= ULTIMATE.start_main_~i~5 102), 192321#(<= ULTIMATE.start_main_~i~5 103), 192326#(<= ULTIMATE.start_main_~i~5 108), 192327#(<= ULTIMATE.start_main_~i~5 109), 192324#(<= ULTIMATE.start_main_~i~5 106), 192325#(<= ULTIMATE.start_main_~i~5 107), 192330#(<= ULTIMATE.start_main_~i~5 112), 192331#(<= ULTIMATE.start_main_~i~5 113), 192328#(<= ULTIMATE.start_main_~i~5 110), 192329#(<= ULTIMATE.start_main_~i~5 111), 192334#(<= ULTIMATE.start_main_~i~5 116), 192335#(<= ULTIMATE.start_main_~i~5 117), 192332#(<= ULTIMATE.start_main_~i~5 114), 192333#(<= ULTIMATE.start_main_~i~5 115), 192338#(<= ULTIMATE.start_main_~i~5 120), 192339#(<= ULTIMATE.start_main_~i~5 121), 192336#(<= ULTIMATE.start_main_~i~5 118), 192337#(<= ULTIMATE.start_main_~i~5 119), 192342#(<= ULTIMATE.start_main_~i~5 124), 192343#(<= ULTIMATE.start_main_~i~5 125), 192340#(<= ULTIMATE.start_main_~i~5 122), 192341#(<= ULTIMATE.start_main_~i~5 123), 192346#(<= ULTIMATE.start_main_~i~5 128), 192347#(<= ULTIMATE.start_main_~i~5 129), 192344#(<= ULTIMATE.start_main_~i~5 126), 192345#(<= ULTIMATE.start_main_~i~5 127), 192350#(<= ULTIMATE.start_main_~i~5 132), 192351#(<= ULTIMATE.start_main_~i~5 133), 192348#(<= ULTIMATE.start_main_~i~5 130), 192349#(<= ULTIMATE.start_main_~i~5 131), 192354#(<= ULTIMATE.start_main_~i~5 136), 192355#(<= ULTIMATE.start_main_~i~5 137), 192352#(<= ULTIMATE.start_main_~i~5 134), 192353#(<= ULTIMATE.start_main_~i~5 135), 192358#(<= ULTIMATE.start_main_~i~5 140), 192359#(<= ULTIMATE.start_main_~i~5 141), 192356#(<= ULTIMATE.start_main_~i~5 138), 192357#(<= ULTIMATE.start_main_~i~5 139), 192362#(<= ULTIMATE.start_main_~i~5 144), 192363#(<= ULTIMATE.start_main_~i~5 145), 192360#(<= ULTIMATE.start_main_~i~5 142), 192361#(<= ULTIMATE.start_main_~i~5 143), 192366#(<= ULTIMATE.start_main_~i~5 148), 192367#(<= ULTIMATE.start_main_~i~5 149), 192364#(<= ULTIMATE.start_main_~i~5 146), 192365#(<= ULTIMATE.start_main_~i~5 147), 192370#(<= ULTIMATE.start_main_~i~5 152), 192371#(<= ULTIMATE.start_main_~i~5 153), 192368#(<= ULTIMATE.start_main_~i~5 150), 192369#(<= ULTIMATE.start_main_~i~5 151), 192374#(<= ULTIMATE.start_main_~i~5 156), 192375#(<= ULTIMATE.start_main_~i~5 157), 192372#(<= ULTIMATE.start_main_~i~5 154), 192373#(<= ULTIMATE.start_main_~i~5 155), 192378#(<= ULTIMATE.start_main_~i~5 160), 192379#(<= ULTIMATE.start_main_~i~5 161), 192376#(<= ULTIMATE.start_main_~i~5 158), 192377#(<= ULTIMATE.start_main_~i~5 159), 192382#(<= ULTIMATE.start_main_~i~5 164), 192383#(<= ULTIMATE.start_main_~i~5 165), 192380#(<= ULTIMATE.start_main_~i~5 162), 192381#(<= ULTIMATE.start_main_~i~5 163), 192386#(<= ULTIMATE.start_main_~i~5 168), 192387#(<= ULTIMATE.start_main_~i~5 169), 192384#(<= ULTIMATE.start_main_~i~5 166), 192385#(<= ULTIMATE.start_main_~i~5 167), 192390#(<= ULTIMATE.start_main_~i~5 172), 192391#(<= ULTIMATE.start_main_~i~5 173), 192388#(<= ULTIMATE.start_main_~i~5 170), 192389#(<= ULTIMATE.start_main_~i~5 171), 192394#(<= ULTIMATE.start_main_~i~5 176), 192395#(<= ULTIMATE.start_main_~i~5 177), 192392#(<= ULTIMATE.start_main_~i~5 174), 192393#(<= ULTIMATE.start_main_~i~5 175), 192398#(<= ULTIMATE.start_main_~i~5 180), 192399#(<= ULTIMATE.start_main_~i~5 181), 192396#(<= ULTIMATE.start_main_~i~5 178), 192397#(<= ULTIMATE.start_main_~i~5 179), 192402#(<= ULTIMATE.start_main_~i~5 184), 192403#(<= ULTIMATE.start_main_~i~5 185), 192400#(<= ULTIMATE.start_main_~i~5 182), 192401#(<= ULTIMATE.start_main_~i~5 183), 192406#(<= ULTIMATE.start_main_~i~5 188), 192407#(<= ULTIMATE.start_main_~i~5 189), 192404#(<= ULTIMATE.start_main_~i~5 186), 192405#(<= ULTIMATE.start_main_~i~5 187), 192410#(<= ULTIMATE.start_main_~i~5 192), 192411#(<= ULTIMATE.start_main_~i~5 193), 192408#(<= ULTIMATE.start_main_~i~5 190), 192409#(<= ULTIMATE.start_main_~i~5 191), 192414#(<= ULTIMATE.start_main_~i~5 196), 192415#(<= ULTIMATE.start_main_~i~5 197), 192412#(<= ULTIMATE.start_main_~i~5 194), 192413#(<= ULTIMATE.start_main_~i~5 195), 192418#(<= ULTIMATE.start_main_~i~5 200), 192419#(<= ULTIMATE.start_main_~i~5 201), 192416#(<= ULTIMATE.start_main_~i~5 198), 192417#(<= ULTIMATE.start_main_~i~5 199), 192420#(<= ULTIMATE.start_main_~i~5 202)] [2018-07-23 13:44:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 41006 backedges. 0 proven. 41006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:31,601 INFO L450 AbstractCegarLoop]: Interpolant automaton has 205 states [2018-07-23 13:44:31,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2018-07-23 13:44:31,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:44:31,604 INFO L87 Difference]: Start difference. First operand 411 states and 412 transitions. Second operand 205 states. [2018-07-23 13:44:33,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:33,600 INFO L93 Difference]: Finished difference Result 417 states and 419 transitions. [2018-07-23 13:44:33,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:44:33,600 INFO L78 Accepts]: Start accepts. Automaton has 205 states. Word has length 410 [2018-07-23 13:44:33,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:33,601 INFO L225 Difference]: With dead ends: 417 [2018-07-23 13:44:33,601 INFO L226 Difference]: Without dead ends: 413 [2018-07-23 13:44:33,602 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:44:33,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-07-23 13:44:33,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2018-07-23 13:44:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-07-23 13:44:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 414 transitions. [2018-07-23 13:44:33,606 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 414 transitions. Word has length 410 [2018-07-23 13:44:33,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:33,607 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 414 transitions. [2018-07-23 13:44:33,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 205 states. [2018-07-23 13:44:33,607 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 414 transitions. [2018-07-23 13:44:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-07-23 13:44:33,608 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:33,608 INFO L357 BasicCegarLoop]: trace histogram [204, 203, 1, 1, 1, 1, 1] [2018-07-23 13:44:33,608 INFO L414 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:33,608 INFO L82 PathProgramCache]: Analyzing trace with hash -641528177, now seen corresponding path program 203 times [2018-07-23 13:44:33,609 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 41412 backedges. 0 proven. 41412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:35,709 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:35,709 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [205] total 205 [2018-07-23 13:44:35,709 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:35,709 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 13:44:35,710 INFO L185 omatonBuilderFactory]: Interpolants [194082#false, 194083#(<= ULTIMATE.start_main_~i~5 0), 194081#true, 194086#(<= ULTIMATE.start_main_~i~5 3), 194087#(<= ULTIMATE.start_main_~i~5 4), 194084#(<= ULTIMATE.start_main_~i~5 1), 194085#(<= ULTIMATE.start_main_~i~5 2), 194090#(<= ULTIMATE.start_main_~i~5 7), 194091#(<= ULTIMATE.start_main_~i~5 8), 194088#(<= ULTIMATE.start_main_~i~5 5), 194089#(<= ULTIMATE.start_main_~i~5 6), 194094#(<= ULTIMATE.start_main_~i~5 11), 194095#(<= ULTIMATE.start_main_~i~5 12), 194092#(<= ULTIMATE.start_main_~i~5 9), 194093#(<= ULTIMATE.start_main_~i~5 10), 194098#(<= ULTIMATE.start_main_~i~5 15), 194099#(<= ULTIMATE.start_main_~i~5 16), 194096#(<= ULTIMATE.start_main_~i~5 13), 194097#(<= ULTIMATE.start_main_~i~5 14), 194102#(<= ULTIMATE.start_main_~i~5 19), 194103#(<= ULTIMATE.start_main_~i~5 20), 194100#(<= ULTIMATE.start_main_~i~5 17), 194101#(<= ULTIMATE.start_main_~i~5 18), 194106#(<= ULTIMATE.start_main_~i~5 23), 194107#(<= ULTIMATE.start_main_~i~5 24), 194104#(<= ULTIMATE.start_main_~i~5 21), 194105#(<= ULTIMATE.start_main_~i~5 22), 194110#(<= ULTIMATE.start_main_~i~5 27), 194111#(<= ULTIMATE.start_main_~i~5 28), 194108#(<= ULTIMATE.start_main_~i~5 25), 194109#(<= ULTIMATE.start_main_~i~5 26), 194114#(<= ULTIMATE.start_main_~i~5 31), 194115#(<= ULTIMATE.start_main_~i~5 32), 194112#(<= ULTIMATE.start_main_~i~5 29), 194113#(<= ULTIMATE.start_main_~i~5 30), 194118#(<= ULTIMATE.start_main_~i~5 35), 194119#(<= ULTIMATE.start_main_~i~5 36), 194116#(<= ULTIMATE.start_main_~i~5 33), 194117#(<= ULTIMATE.start_main_~i~5 34), 194122#(<= ULTIMATE.start_main_~i~5 39), 194123#(<= ULTIMATE.start_main_~i~5 40), 194120#(<= ULTIMATE.start_main_~i~5 37), 194121#(<= ULTIMATE.start_main_~i~5 38), 194126#(<= ULTIMATE.start_main_~i~5 43), 194127#(<= ULTIMATE.start_main_~i~5 44), 194124#(<= ULTIMATE.start_main_~i~5 41), 194125#(<= ULTIMATE.start_main_~i~5 42), 194130#(<= ULTIMATE.start_main_~i~5 47), 194131#(<= ULTIMATE.start_main_~i~5 48), 194128#(<= ULTIMATE.start_main_~i~5 45), 194129#(<= ULTIMATE.start_main_~i~5 46), 194134#(<= ULTIMATE.start_main_~i~5 51), 194135#(<= ULTIMATE.start_main_~i~5 52), 194132#(<= ULTIMATE.start_main_~i~5 49), 194133#(<= ULTIMATE.start_main_~i~5 50), 194138#(<= ULTIMATE.start_main_~i~5 55), 194139#(<= ULTIMATE.start_main_~i~5 56), 194136#(<= ULTIMATE.start_main_~i~5 53), 194137#(<= ULTIMATE.start_main_~i~5 54), 194142#(<= ULTIMATE.start_main_~i~5 59), 194143#(<= ULTIMATE.start_main_~i~5 60), 194140#(<= ULTIMATE.start_main_~i~5 57), 194141#(<= ULTIMATE.start_main_~i~5 58), 194146#(<= ULTIMATE.start_main_~i~5 63), 194147#(<= ULTIMATE.start_main_~i~5 64), 194144#(<= ULTIMATE.start_main_~i~5 61), 194145#(<= ULTIMATE.start_main_~i~5 62), 194150#(<= ULTIMATE.start_main_~i~5 67), 194151#(<= ULTIMATE.start_main_~i~5 68), 194148#(<= ULTIMATE.start_main_~i~5 65), 194149#(<= ULTIMATE.start_main_~i~5 66), 194154#(<= ULTIMATE.start_main_~i~5 71), 194155#(<= ULTIMATE.start_main_~i~5 72), 194152#(<= ULTIMATE.start_main_~i~5 69), 194153#(<= ULTIMATE.start_main_~i~5 70), 194158#(<= ULTIMATE.start_main_~i~5 75), 194159#(<= ULTIMATE.start_main_~i~5 76), 194156#(<= ULTIMATE.start_main_~i~5 73), 194157#(<= ULTIMATE.start_main_~i~5 74), 194162#(<= ULTIMATE.start_main_~i~5 79), 194163#(<= ULTIMATE.start_main_~i~5 80), 194160#(<= ULTIMATE.start_main_~i~5 77), 194161#(<= ULTIMATE.start_main_~i~5 78), 194166#(<= ULTIMATE.start_main_~i~5 83), 194167#(<= ULTIMATE.start_main_~i~5 84), 194164#(<= ULTIMATE.start_main_~i~5 81), 194165#(<= ULTIMATE.start_main_~i~5 82), 194170#(<= ULTIMATE.start_main_~i~5 87), 194171#(<= ULTIMATE.start_main_~i~5 88), 194168#(<= ULTIMATE.start_main_~i~5 85), 194169#(<= ULTIMATE.start_main_~i~5 86), 194174#(<= ULTIMATE.start_main_~i~5 91), 194175#(<= ULTIMATE.start_main_~i~5 92), 194172#(<= ULTIMATE.start_main_~i~5 89), 194173#(<= ULTIMATE.start_main_~i~5 90), 194178#(<= ULTIMATE.start_main_~i~5 95), 194179#(<= ULTIMATE.start_main_~i~5 96), 194176#(<= ULTIMATE.start_main_~i~5 93), 194177#(<= ULTIMATE.start_main_~i~5 94), 194182#(<= ULTIMATE.start_main_~i~5 99), 194183#(<= ULTIMATE.start_main_~i~5 100), 194180#(<= ULTIMATE.start_main_~i~5 97), 194181#(<= ULTIMATE.start_main_~i~5 98), 194186#(<= ULTIMATE.start_main_~i~5 103), 194187#(<= ULTIMATE.start_main_~i~5 104), 194184#(<= ULTIMATE.start_main_~i~5 101), 194185#(<= ULTIMATE.start_main_~i~5 102), 194190#(<= ULTIMATE.start_main_~i~5 107), 194191#(<= ULTIMATE.start_main_~i~5 108), 194188#(<= ULTIMATE.start_main_~i~5 105), 194189#(<= ULTIMATE.start_main_~i~5 106), 194194#(<= ULTIMATE.start_main_~i~5 111), 194195#(<= ULTIMATE.start_main_~i~5 112), 194192#(<= ULTIMATE.start_main_~i~5 109), 194193#(<= ULTIMATE.start_main_~i~5 110), 194198#(<= ULTIMATE.start_main_~i~5 115), 194199#(<= ULTIMATE.start_main_~i~5 116), 194196#(<= ULTIMATE.start_main_~i~5 113), 194197#(<= ULTIMATE.start_main_~i~5 114), 194202#(<= ULTIMATE.start_main_~i~5 119), 194203#(<= ULTIMATE.start_main_~i~5 120), 194200#(<= ULTIMATE.start_main_~i~5 117), 194201#(<= ULTIMATE.start_main_~i~5 118), 194206#(<= ULTIMATE.start_main_~i~5 123), 194207#(<= ULTIMATE.start_main_~i~5 124), 194204#(<= ULTIMATE.start_main_~i~5 121), 194205#(<= ULTIMATE.start_main_~i~5 122), 194210#(<= ULTIMATE.start_main_~i~5 127), 194211#(<= ULTIMATE.start_main_~i~5 128), 194208#(<= ULTIMATE.start_main_~i~5 125), 194209#(<= ULTIMATE.start_main_~i~5 126), 194214#(<= ULTIMATE.start_main_~i~5 131), 194215#(<= ULTIMATE.start_main_~i~5 132), 194212#(<= ULTIMATE.start_main_~i~5 129), 194213#(<= ULTIMATE.start_main_~i~5 130), 194218#(<= ULTIMATE.start_main_~i~5 135), 194219#(<= ULTIMATE.start_main_~i~5 136), 194216#(<= ULTIMATE.start_main_~i~5 133), 194217#(<= ULTIMATE.start_main_~i~5 134), 194222#(<= ULTIMATE.start_main_~i~5 139), 194223#(<= ULTIMATE.start_main_~i~5 140), 194220#(<= ULTIMATE.start_main_~i~5 137), 194221#(<= ULTIMATE.start_main_~i~5 138), 194226#(<= ULTIMATE.start_main_~i~5 143), 194227#(<= ULTIMATE.start_main_~i~5 144), 194224#(<= ULTIMATE.start_main_~i~5 141), 194225#(<= ULTIMATE.start_main_~i~5 142), 194230#(<= ULTIMATE.start_main_~i~5 147), 194231#(<= ULTIMATE.start_main_~i~5 148), 194228#(<= ULTIMATE.start_main_~i~5 145), 194229#(<= ULTIMATE.start_main_~i~5 146), 194234#(<= ULTIMATE.start_main_~i~5 151), 194235#(<= ULTIMATE.start_main_~i~5 152), 194232#(<= ULTIMATE.start_main_~i~5 149), 194233#(<= ULTIMATE.start_main_~i~5 150), 194238#(<= ULTIMATE.start_main_~i~5 155), 194239#(<= ULTIMATE.start_main_~i~5 156), 194236#(<= ULTIMATE.start_main_~i~5 153), 194237#(<= ULTIMATE.start_main_~i~5 154), 194242#(<= ULTIMATE.start_main_~i~5 159), 194243#(<= ULTIMATE.start_main_~i~5 160), 194240#(<= ULTIMATE.start_main_~i~5 157), 194241#(<= ULTIMATE.start_main_~i~5 158), 194246#(<= ULTIMATE.start_main_~i~5 163), 194247#(<= ULTIMATE.start_main_~i~5 164), 194244#(<= ULTIMATE.start_main_~i~5 161), 194245#(<= ULTIMATE.start_main_~i~5 162), 194250#(<= ULTIMATE.start_main_~i~5 167), 194251#(<= ULTIMATE.start_main_~i~5 168), 194248#(<= ULTIMATE.start_main_~i~5 165), 194249#(<= ULTIMATE.start_main_~i~5 166), 194254#(<= ULTIMATE.start_main_~i~5 171), 194255#(<= ULTIMATE.start_main_~i~5 172), 194252#(<= ULTIMATE.start_main_~i~5 169), 194253#(<= ULTIMATE.start_main_~i~5 170), 194258#(<= ULTIMATE.start_main_~i~5 175), 194259#(<= ULTIMATE.start_main_~i~5 176), 194256#(<= ULTIMATE.start_main_~i~5 173), 194257#(<= ULTIMATE.start_main_~i~5 174), 194262#(<= ULTIMATE.start_main_~i~5 179), 194263#(<= ULTIMATE.start_main_~i~5 180), 194260#(<= ULTIMATE.start_main_~i~5 177), 194261#(<= ULTIMATE.start_main_~i~5 178), 194266#(<= ULTIMATE.start_main_~i~5 183), 194267#(<= ULTIMATE.start_main_~i~5 184), 194264#(<= ULTIMATE.start_main_~i~5 181), 194265#(<= ULTIMATE.start_main_~i~5 182), 194270#(<= ULTIMATE.start_main_~i~5 187), 194271#(<= ULTIMATE.start_main_~i~5 188), 194268#(<= ULTIMATE.start_main_~i~5 185), 194269#(<= ULTIMATE.start_main_~i~5 186), 194274#(<= ULTIMATE.start_main_~i~5 191), 194275#(<= ULTIMATE.start_main_~i~5 192), 194272#(<= ULTIMATE.start_main_~i~5 189), 194273#(<= ULTIMATE.start_main_~i~5 190), 194278#(<= ULTIMATE.start_main_~i~5 195), 194279#(<= ULTIMATE.start_main_~i~5 196), 194276#(<= ULTIMATE.start_main_~i~5 193), 194277#(<= ULTIMATE.start_main_~i~5 194), 194282#(<= ULTIMATE.start_main_~i~5 199), 194283#(<= ULTIMATE.start_main_~i~5 200), 194280#(<= ULTIMATE.start_main_~i~5 197), 194281#(<= ULTIMATE.start_main_~i~5 198), 194286#(<= ULTIMATE.start_main_~i~5 203), 194284#(<= ULTIMATE.start_main_~i~5 201), 194285#(<= ULTIMATE.start_main_~i~5 202)] [2018-07-23 13:44:35,712 INFO L134 CoverageAnalysis]: Checked inductivity of 41412 backedges. 0 proven. 41412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:35,712 INFO L450 AbstractCegarLoop]: Interpolant automaton has 206 states [2018-07-23 13:44:35,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2018-07-23 13:44:35,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:44:35,717 INFO L87 Difference]: Start difference. First operand 413 states and 414 transitions. Second operand 206 states. [2018-07-23 13:44:38,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:38,614 INFO L93 Difference]: Finished difference Result 419 states and 421 transitions. [2018-07-23 13:44:38,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2018-07-23 13:44:38,614 INFO L78 Accepts]: Start accepts. Automaton has 206 states. Word has length 412 [2018-07-23 13:44:38,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:38,615 INFO L225 Difference]: With dead ends: 419 [2018-07-23 13:44:38,615 INFO L226 Difference]: Without dead ends: 415 [2018-07-23 13:44:38,617 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:44:38,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-07-23 13:44:38,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2018-07-23 13:44:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-07-23 13:44:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 416 transitions. [2018-07-23 13:44:38,623 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 416 transitions. Word has length 412 [2018-07-23 13:44:38,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:38,623 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 416 transitions. [2018-07-23 13:44:38,623 INFO L472 AbstractCegarLoop]: Interpolant automaton has 206 states. [2018-07-23 13:44:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 416 transitions. [2018-07-23 13:44:38,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2018-07-23 13:44:38,624 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:38,624 INFO L357 BasicCegarLoop]: trace histogram [205, 204, 1, 1, 1, 1, 1] [2018-07-23 13:44:38,624 INFO L414 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:38,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1883154315, now seen corresponding path program 204 times [2018-07-23 13:44:38,625 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:40,560 INFO L134 CoverageAnalysis]: Checked inductivity of 41820 backedges. 0 proven. 41820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:40,560 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:40,561 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [206] total 206 [2018-07-23 13:44:40,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:40,561 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 13:44:40,561 INFO L185 omatonBuilderFactory]: Interpolants [196098#(<= ULTIMATE.start_main_~i~5 141), 196099#(<= ULTIMATE.start_main_~i~5 142), 196096#(<= ULTIMATE.start_main_~i~5 139), 196097#(<= ULTIMATE.start_main_~i~5 140), 196102#(<= ULTIMATE.start_main_~i~5 145), 196103#(<= ULTIMATE.start_main_~i~5 146), 196100#(<= ULTIMATE.start_main_~i~5 143), 196101#(<= ULTIMATE.start_main_~i~5 144), 196106#(<= ULTIMATE.start_main_~i~5 149), 196107#(<= ULTIMATE.start_main_~i~5 150), 196104#(<= ULTIMATE.start_main_~i~5 147), 196105#(<= ULTIMATE.start_main_~i~5 148), 196110#(<= ULTIMATE.start_main_~i~5 153), 196111#(<= ULTIMATE.start_main_~i~5 154), 196108#(<= ULTIMATE.start_main_~i~5 151), 196109#(<= ULTIMATE.start_main_~i~5 152), 196114#(<= ULTIMATE.start_main_~i~5 157), 196115#(<= ULTIMATE.start_main_~i~5 158), 196112#(<= ULTIMATE.start_main_~i~5 155), 196113#(<= ULTIMATE.start_main_~i~5 156), 196118#(<= ULTIMATE.start_main_~i~5 161), 196119#(<= ULTIMATE.start_main_~i~5 162), 196116#(<= ULTIMATE.start_main_~i~5 159), 196117#(<= ULTIMATE.start_main_~i~5 160), 196122#(<= ULTIMATE.start_main_~i~5 165), 196123#(<= ULTIMATE.start_main_~i~5 166), 196120#(<= ULTIMATE.start_main_~i~5 163), 196121#(<= ULTIMATE.start_main_~i~5 164), 196126#(<= ULTIMATE.start_main_~i~5 169), 196127#(<= ULTIMATE.start_main_~i~5 170), 196124#(<= ULTIMATE.start_main_~i~5 167), 196125#(<= ULTIMATE.start_main_~i~5 168), 196130#(<= ULTIMATE.start_main_~i~5 173), 196131#(<= ULTIMATE.start_main_~i~5 174), 196128#(<= ULTIMATE.start_main_~i~5 171), 196129#(<= ULTIMATE.start_main_~i~5 172), 196134#(<= ULTIMATE.start_main_~i~5 177), 196135#(<= ULTIMATE.start_main_~i~5 178), 196132#(<= ULTIMATE.start_main_~i~5 175), 196133#(<= ULTIMATE.start_main_~i~5 176), 196138#(<= ULTIMATE.start_main_~i~5 181), 196139#(<= ULTIMATE.start_main_~i~5 182), 196136#(<= ULTIMATE.start_main_~i~5 179), 196137#(<= ULTIMATE.start_main_~i~5 180), 196142#(<= ULTIMATE.start_main_~i~5 185), 196143#(<= ULTIMATE.start_main_~i~5 186), 196140#(<= ULTIMATE.start_main_~i~5 183), 196141#(<= ULTIMATE.start_main_~i~5 184), 196146#(<= ULTIMATE.start_main_~i~5 189), 196147#(<= ULTIMATE.start_main_~i~5 190), 196144#(<= ULTIMATE.start_main_~i~5 187), 196145#(<= ULTIMATE.start_main_~i~5 188), 196150#(<= ULTIMATE.start_main_~i~5 193), 196151#(<= ULTIMATE.start_main_~i~5 194), 196148#(<= ULTIMATE.start_main_~i~5 191), 196149#(<= ULTIMATE.start_main_~i~5 192), 196154#(<= ULTIMATE.start_main_~i~5 197), 196155#(<= ULTIMATE.start_main_~i~5 198), 196152#(<= ULTIMATE.start_main_~i~5 195), 196153#(<= ULTIMATE.start_main_~i~5 196), 196158#(<= ULTIMATE.start_main_~i~5 201), 196159#(<= ULTIMATE.start_main_~i~5 202), 196156#(<= ULTIMATE.start_main_~i~5 199), 196157#(<= ULTIMATE.start_main_~i~5 200), 196160#(<= ULTIMATE.start_main_~i~5 203), 196161#(<= ULTIMATE.start_main_~i~5 204), 195955#true, 195958#(<= ULTIMATE.start_main_~i~5 1), 195959#(<= ULTIMATE.start_main_~i~5 2), 195956#false, 195957#(<= ULTIMATE.start_main_~i~5 0), 195962#(<= ULTIMATE.start_main_~i~5 5), 195963#(<= ULTIMATE.start_main_~i~5 6), 195960#(<= ULTIMATE.start_main_~i~5 3), 195961#(<= ULTIMATE.start_main_~i~5 4), 195966#(<= ULTIMATE.start_main_~i~5 9), 195967#(<= ULTIMATE.start_main_~i~5 10), 195964#(<= ULTIMATE.start_main_~i~5 7), 195965#(<= ULTIMATE.start_main_~i~5 8), 195970#(<= ULTIMATE.start_main_~i~5 13), 195971#(<= ULTIMATE.start_main_~i~5 14), 195968#(<= ULTIMATE.start_main_~i~5 11), 195969#(<= ULTIMATE.start_main_~i~5 12), 195974#(<= ULTIMATE.start_main_~i~5 17), 195975#(<= ULTIMATE.start_main_~i~5 18), 195972#(<= ULTIMATE.start_main_~i~5 15), 195973#(<= ULTIMATE.start_main_~i~5 16), 195978#(<= ULTIMATE.start_main_~i~5 21), 195979#(<= ULTIMATE.start_main_~i~5 22), 195976#(<= ULTIMATE.start_main_~i~5 19), 195977#(<= ULTIMATE.start_main_~i~5 20), 195982#(<= ULTIMATE.start_main_~i~5 25), 195983#(<= ULTIMATE.start_main_~i~5 26), 195980#(<= ULTIMATE.start_main_~i~5 23), 195981#(<= ULTIMATE.start_main_~i~5 24), 195986#(<= ULTIMATE.start_main_~i~5 29), 195987#(<= ULTIMATE.start_main_~i~5 30), 195984#(<= ULTIMATE.start_main_~i~5 27), 195985#(<= ULTIMATE.start_main_~i~5 28), 195990#(<= ULTIMATE.start_main_~i~5 33), 195991#(<= ULTIMATE.start_main_~i~5 34), 195988#(<= ULTIMATE.start_main_~i~5 31), 195989#(<= ULTIMATE.start_main_~i~5 32), 195994#(<= ULTIMATE.start_main_~i~5 37), 195995#(<= ULTIMATE.start_main_~i~5 38), 195992#(<= ULTIMATE.start_main_~i~5 35), 195993#(<= ULTIMATE.start_main_~i~5 36), 195998#(<= ULTIMATE.start_main_~i~5 41), 195999#(<= ULTIMATE.start_main_~i~5 42), 195996#(<= ULTIMATE.start_main_~i~5 39), 195997#(<= ULTIMATE.start_main_~i~5 40), 196002#(<= ULTIMATE.start_main_~i~5 45), 196003#(<= ULTIMATE.start_main_~i~5 46), 196000#(<= ULTIMATE.start_main_~i~5 43), 196001#(<= ULTIMATE.start_main_~i~5 44), 196006#(<= ULTIMATE.start_main_~i~5 49), 196007#(<= ULTIMATE.start_main_~i~5 50), 196004#(<= ULTIMATE.start_main_~i~5 47), 196005#(<= ULTIMATE.start_main_~i~5 48), 196010#(<= ULTIMATE.start_main_~i~5 53), 196011#(<= ULTIMATE.start_main_~i~5 54), 196008#(<= ULTIMATE.start_main_~i~5 51), 196009#(<= ULTIMATE.start_main_~i~5 52), 196014#(<= ULTIMATE.start_main_~i~5 57), 196015#(<= ULTIMATE.start_main_~i~5 58), 196012#(<= ULTIMATE.start_main_~i~5 55), 196013#(<= ULTIMATE.start_main_~i~5 56), 196018#(<= ULTIMATE.start_main_~i~5 61), 196019#(<= ULTIMATE.start_main_~i~5 62), 196016#(<= ULTIMATE.start_main_~i~5 59), 196017#(<= ULTIMATE.start_main_~i~5 60), 196022#(<= ULTIMATE.start_main_~i~5 65), 196023#(<= ULTIMATE.start_main_~i~5 66), 196020#(<= ULTIMATE.start_main_~i~5 63), 196021#(<= ULTIMATE.start_main_~i~5 64), 196026#(<= ULTIMATE.start_main_~i~5 69), 196027#(<= ULTIMATE.start_main_~i~5 70), 196024#(<= ULTIMATE.start_main_~i~5 67), 196025#(<= ULTIMATE.start_main_~i~5 68), 196030#(<= ULTIMATE.start_main_~i~5 73), 196031#(<= ULTIMATE.start_main_~i~5 74), 196028#(<= ULTIMATE.start_main_~i~5 71), 196029#(<= ULTIMATE.start_main_~i~5 72), 196034#(<= ULTIMATE.start_main_~i~5 77), 196035#(<= ULTIMATE.start_main_~i~5 78), 196032#(<= ULTIMATE.start_main_~i~5 75), 196033#(<= ULTIMATE.start_main_~i~5 76), 196038#(<= ULTIMATE.start_main_~i~5 81), 196039#(<= ULTIMATE.start_main_~i~5 82), 196036#(<= ULTIMATE.start_main_~i~5 79), 196037#(<= ULTIMATE.start_main_~i~5 80), 196042#(<= ULTIMATE.start_main_~i~5 85), 196043#(<= ULTIMATE.start_main_~i~5 86), 196040#(<= ULTIMATE.start_main_~i~5 83), 196041#(<= ULTIMATE.start_main_~i~5 84), 196046#(<= ULTIMATE.start_main_~i~5 89), 196047#(<= ULTIMATE.start_main_~i~5 90), 196044#(<= ULTIMATE.start_main_~i~5 87), 196045#(<= ULTIMATE.start_main_~i~5 88), 196050#(<= ULTIMATE.start_main_~i~5 93), 196051#(<= ULTIMATE.start_main_~i~5 94), 196048#(<= ULTIMATE.start_main_~i~5 91), 196049#(<= ULTIMATE.start_main_~i~5 92), 196054#(<= ULTIMATE.start_main_~i~5 97), 196055#(<= ULTIMATE.start_main_~i~5 98), 196052#(<= ULTIMATE.start_main_~i~5 95), 196053#(<= ULTIMATE.start_main_~i~5 96), 196058#(<= ULTIMATE.start_main_~i~5 101), 196059#(<= ULTIMATE.start_main_~i~5 102), 196056#(<= ULTIMATE.start_main_~i~5 99), 196057#(<= ULTIMATE.start_main_~i~5 100), 196062#(<= ULTIMATE.start_main_~i~5 105), 196063#(<= ULTIMATE.start_main_~i~5 106), 196060#(<= ULTIMATE.start_main_~i~5 103), 196061#(<= ULTIMATE.start_main_~i~5 104), 196066#(<= ULTIMATE.start_main_~i~5 109), 196067#(<= ULTIMATE.start_main_~i~5 110), 196064#(<= ULTIMATE.start_main_~i~5 107), 196065#(<= ULTIMATE.start_main_~i~5 108), 196070#(<= ULTIMATE.start_main_~i~5 113), 196071#(<= ULTIMATE.start_main_~i~5 114), 196068#(<= ULTIMATE.start_main_~i~5 111), 196069#(<= ULTIMATE.start_main_~i~5 112), 196074#(<= ULTIMATE.start_main_~i~5 117), 196075#(<= ULTIMATE.start_main_~i~5 118), 196072#(<= ULTIMATE.start_main_~i~5 115), 196073#(<= ULTIMATE.start_main_~i~5 116), 196078#(<= ULTIMATE.start_main_~i~5 121), 196079#(<= ULTIMATE.start_main_~i~5 122), 196076#(<= ULTIMATE.start_main_~i~5 119), 196077#(<= ULTIMATE.start_main_~i~5 120), 196082#(<= ULTIMATE.start_main_~i~5 125), 196083#(<= ULTIMATE.start_main_~i~5 126), 196080#(<= ULTIMATE.start_main_~i~5 123), 196081#(<= ULTIMATE.start_main_~i~5 124), 196086#(<= ULTIMATE.start_main_~i~5 129), 196087#(<= ULTIMATE.start_main_~i~5 130), 196084#(<= ULTIMATE.start_main_~i~5 127), 196085#(<= ULTIMATE.start_main_~i~5 128), 196090#(<= ULTIMATE.start_main_~i~5 133), 196091#(<= ULTIMATE.start_main_~i~5 134), 196088#(<= ULTIMATE.start_main_~i~5 131), 196089#(<= ULTIMATE.start_main_~i~5 132), 196094#(<= ULTIMATE.start_main_~i~5 137), 196095#(<= ULTIMATE.start_main_~i~5 138), 196092#(<= ULTIMATE.start_main_~i~5 135), 196093#(<= ULTIMATE.start_main_~i~5 136)] [2018-07-23 13:44:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 41820 backedges. 0 proven. 41820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:40,563 INFO L450 AbstractCegarLoop]: Interpolant automaton has 207 states [2018-07-23 13:44:40,566 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2018-07-23 13:44:40,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:44:40,567 INFO L87 Difference]: Start difference. First operand 415 states and 416 transitions. Second operand 207 states. [2018-07-23 13:44:41,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:41,425 INFO L93 Difference]: Finished difference Result 421 states and 423 transitions. [2018-07-23 13:44:41,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2018-07-23 13:44:41,425 INFO L78 Accepts]: Start accepts. Automaton has 207 states. Word has length 414 [2018-07-23 13:44:41,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:41,426 INFO L225 Difference]: With dead ends: 421 [2018-07-23 13:44:41,426 INFO L226 Difference]: Without dead ends: 417 [2018-07-23 13:44:41,428 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:44:41,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-07-23 13:44:41,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2018-07-23 13:44:41,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-07-23 13:44:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 418 transitions. [2018-07-23 13:44:41,432 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 418 transitions. Word has length 414 [2018-07-23 13:44:41,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:41,433 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 418 transitions. [2018-07-23 13:44:41,433 INFO L472 AbstractCegarLoop]: Interpolant automaton has 207 states. [2018-07-23 13:44:41,433 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 418 transitions. [2018-07-23 13:44:41,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2018-07-23 13:44:41,434 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:41,434 INFO L357 BasicCegarLoop]: trace histogram [206, 205, 1, 1, 1, 1, 1] [2018-07-23 13:44:41,434 INFO L414 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:41,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1446506887, now seen corresponding path program 205 times [2018-07-23 13:44:41,435 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 42230 backedges. 0 proven. 42230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:43,546 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:43,546 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [207] total 207 [2018-07-23 13:44:43,546 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:43,546 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 13:44:43,547 INFO L185 omatonBuilderFactory]: Interpolants [197839#false, 197838#true, 197843#(<= ULTIMATE.start_main_~i~5 3), 197842#(<= ULTIMATE.start_main_~i~5 2), 197841#(<= ULTIMATE.start_main_~i~5 1), 197840#(<= ULTIMATE.start_main_~i~5 0), 197847#(<= ULTIMATE.start_main_~i~5 7), 197846#(<= ULTIMATE.start_main_~i~5 6), 197845#(<= ULTIMATE.start_main_~i~5 5), 197844#(<= ULTIMATE.start_main_~i~5 4), 197851#(<= ULTIMATE.start_main_~i~5 11), 197850#(<= ULTIMATE.start_main_~i~5 10), 197849#(<= ULTIMATE.start_main_~i~5 9), 197848#(<= ULTIMATE.start_main_~i~5 8), 197855#(<= ULTIMATE.start_main_~i~5 15), 197854#(<= ULTIMATE.start_main_~i~5 14), 197853#(<= ULTIMATE.start_main_~i~5 13), 197852#(<= ULTIMATE.start_main_~i~5 12), 197859#(<= ULTIMATE.start_main_~i~5 19), 197858#(<= ULTIMATE.start_main_~i~5 18), 197857#(<= ULTIMATE.start_main_~i~5 17), 197856#(<= ULTIMATE.start_main_~i~5 16), 197863#(<= ULTIMATE.start_main_~i~5 23), 197862#(<= ULTIMATE.start_main_~i~5 22), 197861#(<= ULTIMATE.start_main_~i~5 21), 197860#(<= ULTIMATE.start_main_~i~5 20), 197867#(<= ULTIMATE.start_main_~i~5 27), 197866#(<= ULTIMATE.start_main_~i~5 26), 197865#(<= ULTIMATE.start_main_~i~5 25), 197864#(<= ULTIMATE.start_main_~i~5 24), 197871#(<= ULTIMATE.start_main_~i~5 31), 197870#(<= ULTIMATE.start_main_~i~5 30), 197869#(<= ULTIMATE.start_main_~i~5 29), 197868#(<= ULTIMATE.start_main_~i~5 28), 197875#(<= ULTIMATE.start_main_~i~5 35), 197874#(<= ULTIMATE.start_main_~i~5 34), 197873#(<= ULTIMATE.start_main_~i~5 33), 197872#(<= ULTIMATE.start_main_~i~5 32), 197879#(<= ULTIMATE.start_main_~i~5 39), 197878#(<= ULTIMATE.start_main_~i~5 38), 197877#(<= ULTIMATE.start_main_~i~5 37), 197876#(<= ULTIMATE.start_main_~i~5 36), 197883#(<= ULTIMATE.start_main_~i~5 43), 197882#(<= ULTIMATE.start_main_~i~5 42), 197881#(<= ULTIMATE.start_main_~i~5 41), 197880#(<= ULTIMATE.start_main_~i~5 40), 197887#(<= ULTIMATE.start_main_~i~5 47), 197886#(<= ULTIMATE.start_main_~i~5 46), 197885#(<= ULTIMATE.start_main_~i~5 45), 197884#(<= ULTIMATE.start_main_~i~5 44), 197891#(<= ULTIMATE.start_main_~i~5 51), 197890#(<= ULTIMATE.start_main_~i~5 50), 197889#(<= ULTIMATE.start_main_~i~5 49), 197888#(<= ULTIMATE.start_main_~i~5 48), 197895#(<= ULTIMATE.start_main_~i~5 55), 197894#(<= ULTIMATE.start_main_~i~5 54), 197893#(<= ULTIMATE.start_main_~i~5 53), 197892#(<= ULTIMATE.start_main_~i~5 52), 197899#(<= ULTIMATE.start_main_~i~5 59), 197898#(<= ULTIMATE.start_main_~i~5 58), 197897#(<= ULTIMATE.start_main_~i~5 57), 197896#(<= ULTIMATE.start_main_~i~5 56), 197903#(<= ULTIMATE.start_main_~i~5 63), 197902#(<= ULTIMATE.start_main_~i~5 62), 197901#(<= ULTIMATE.start_main_~i~5 61), 197900#(<= ULTIMATE.start_main_~i~5 60), 197907#(<= ULTIMATE.start_main_~i~5 67), 197906#(<= ULTIMATE.start_main_~i~5 66), 197905#(<= ULTIMATE.start_main_~i~5 65), 197904#(<= ULTIMATE.start_main_~i~5 64), 197911#(<= ULTIMATE.start_main_~i~5 71), 197910#(<= ULTIMATE.start_main_~i~5 70), 197909#(<= ULTIMATE.start_main_~i~5 69), 197908#(<= ULTIMATE.start_main_~i~5 68), 197915#(<= ULTIMATE.start_main_~i~5 75), 197914#(<= ULTIMATE.start_main_~i~5 74), 197913#(<= ULTIMATE.start_main_~i~5 73), 197912#(<= ULTIMATE.start_main_~i~5 72), 197919#(<= ULTIMATE.start_main_~i~5 79), 197918#(<= ULTIMATE.start_main_~i~5 78), 197917#(<= ULTIMATE.start_main_~i~5 77), 197916#(<= ULTIMATE.start_main_~i~5 76), 197923#(<= ULTIMATE.start_main_~i~5 83), 197922#(<= ULTIMATE.start_main_~i~5 82), 197921#(<= ULTIMATE.start_main_~i~5 81), 197920#(<= ULTIMATE.start_main_~i~5 80), 197927#(<= ULTIMATE.start_main_~i~5 87), 197926#(<= ULTIMATE.start_main_~i~5 86), 197925#(<= ULTIMATE.start_main_~i~5 85), 197924#(<= ULTIMATE.start_main_~i~5 84), 197931#(<= ULTIMATE.start_main_~i~5 91), 197930#(<= ULTIMATE.start_main_~i~5 90), 197929#(<= ULTIMATE.start_main_~i~5 89), 197928#(<= ULTIMATE.start_main_~i~5 88), 197935#(<= ULTIMATE.start_main_~i~5 95), 197934#(<= ULTIMATE.start_main_~i~5 94), 197933#(<= ULTIMATE.start_main_~i~5 93), 197932#(<= ULTIMATE.start_main_~i~5 92), 197939#(<= ULTIMATE.start_main_~i~5 99), 197938#(<= ULTIMATE.start_main_~i~5 98), 197937#(<= ULTIMATE.start_main_~i~5 97), 197936#(<= ULTIMATE.start_main_~i~5 96), 197943#(<= ULTIMATE.start_main_~i~5 103), 197942#(<= ULTIMATE.start_main_~i~5 102), 197941#(<= ULTIMATE.start_main_~i~5 101), 197940#(<= ULTIMATE.start_main_~i~5 100), 197947#(<= ULTIMATE.start_main_~i~5 107), 197946#(<= ULTIMATE.start_main_~i~5 106), 197945#(<= ULTIMATE.start_main_~i~5 105), 197944#(<= ULTIMATE.start_main_~i~5 104), 197951#(<= ULTIMATE.start_main_~i~5 111), 197950#(<= ULTIMATE.start_main_~i~5 110), 197949#(<= ULTIMATE.start_main_~i~5 109), 197948#(<= ULTIMATE.start_main_~i~5 108), 197955#(<= ULTIMATE.start_main_~i~5 115), 197954#(<= ULTIMATE.start_main_~i~5 114), 197953#(<= ULTIMATE.start_main_~i~5 113), 197952#(<= ULTIMATE.start_main_~i~5 112), 197959#(<= ULTIMATE.start_main_~i~5 119), 197958#(<= ULTIMATE.start_main_~i~5 118), 197957#(<= ULTIMATE.start_main_~i~5 117), 197956#(<= ULTIMATE.start_main_~i~5 116), 197963#(<= ULTIMATE.start_main_~i~5 123), 197962#(<= ULTIMATE.start_main_~i~5 122), 197961#(<= ULTIMATE.start_main_~i~5 121), 197960#(<= ULTIMATE.start_main_~i~5 120), 197967#(<= ULTIMATE.start_main_~i~5 127), 197966#(<= ULTIMATE.start_main_~i~5 126), 197965#(<= ULTIMATE.start_main_~i~5 125), 197964#(<= ULTIMATE.start_main_~i~5 124), 197971#(<= ULTIMATE.start_main_~i~5 131), 197970#(<= ULTIMATE.start_main_~i~5 130), 197969#(<= ULTIMATE.start_main_~i~5 129), 197968#(<= ULTIMATE.start_main_~i~5 128), 197975#(<= ULTIMATE.start_main_~i~5 135), 197974#(<= ULTIMATE.start_main_~i~5 134), 197973#(<= ULTIMATE.start_main_~i~5 133), 197972#(<= ULTIMATE.start_main_~i~5 132), 197979#(<= ULTIMATE.start_main_~i~5 139), 197978#(<= ULTIMATE.start_main_~i~5 138), 197977#(<= ULTIMATE.start_main_~i~5 137), 197976#(<= ULTIMATE.start_main_~i~5 136), 197983#(<= ULTIMATE.start_main_~i~5 143), 197982#(<= ULTIMATE.start_main_~i~5 142), 197981#(<= ULTIMATE.start_main_~i~5 141), 197980#(<= ULTIMATE.start_main_~i~5 140), 197987#(<= ULTIMATE.start_main_~i~5 147), 197986#(<= ULTIMATE.start_main_~i~5 146), 197985#(<= ULTIMATE.start_main_~i~5 145), 197984#(<= ULTIMATE.start_main_~i~5 144), 197991#(<= ULTIMATE.start_main_~i~5 151), 197990#(<= ULTIMATE.start_main_~i~5 150), 197989#(<= ULTIMATE.start_main_~i~5 149), 197988#(<= ULTIMATE.start_main_~i~5 148), 197995#(<= ULTIMATE.start_main_~i~5 155), 197994#(<= ULTIMATE.start_main_~i~5 154), 197993#(<= ULTIMATE.start_main_~i~5 153), 197992#(<= ULTIMATE.start_main_~i~5 152), 197999#(<= ULTIMATE.start_main_~i~5 159), 197998#(<= ULTIMATE.start_main_~i~5 158), 197997#(<= ULTIMATE.start_main_~i~5 157), 197996#(<= ULTIMATE.start_main_~i~5 156), 198003#(<= ULTIMATE.start_main_~i~5 163), 198002#(<= ULTIMATE.start_main_~i~5 162), 198001#(<= ULTIMATE.start_main_~i~5 161), 198000#(<= ULTIMATE.start_main_~i~5 160), 198007#(<= ULTIMATE.start_main_~i~5 167), 198006#(<= ULTIMATE.start_main_~i~5 166), 198005#(<= ULTIMATE.start_main_~i~5 165), 198004#(<= ULTIMATE.start_main_~i~5 164), 198011#(<= ULTIMATE.start_main_~i~5 171), 198010#(<= ULTIMATE.start_main_~i~5 170), 198009#(<= ULTIMATE.start_main_~i~5 169), 198008#(<= ULTIMATE.start_main_~i~5 168), 198015#(<= ULTIMATE.start_main_~i~5 175), 198014#(<= ULTIMATE.start_main_~i~5 174), 198013#(<= ULTIMATE.start_main_~i~5 173), 198012#(<= ULTIMATE.start_main_~i~5 172), 198019#(<= ULTIMATE.start_main_~i~5 179), 198018#(<= ULTIMATE.start_main_~i~5 178), 198017#(<= ULTIMATE.start_main_~i~5 177), 198016#(<= ULTIMATE.start_main_~i~5 176), 198023#(<= ULTIMATE.start_main_~i~5 183), 198022#(<= ULTIMATE.start_main_~i~5 182), 198021#(<= ULTIMATE.start_main_~i~5 181), 198020#(<= ULTIMATE.start_main_~i~5 180), 198027#(<= ULTIMATE.start_main_~i~5 187), 198026#(<= ULTIMATE.start_main_~i~5 186), 198025#(<= ULTIMATE.start_main_~i~5 185), 198024#(<= ULTIMATE.start_main_~i~5 184), 198031#(<= ULTIMATE.start_main_~i~5 191), 198030#(<= ULTIMATE.start_main_~i~5 190), 198029#(<= ULTIMATE.start_main_~i~5 189), 198028#(<= ULTIMATE.start_main_~i~5 188), 198035#(<= ULTIMATE.start_main_~i~5 195), 198034#(<= ULTIMATE.start_main_~i~5 194), 198033#(<= ULTIMATE.start_main_~i~5 193), 198032#(<= ULTIMATE.start_main_~i~5 192), 198039#(<= ULTIMATE.start_main_~i~5 199), 198038#(<= ULTIMATE.start_main_~i~5 198), 198037#(<= ULTIMATE.start_main_~i~5 197), 198036#(<= ULTIMATE.start_main_~i~5 196), 198043#(<= ULTIMATE.start_main_~i~5 203), 198042#(<= ULTIMATE.start_main_~i~5 202), 198041#(<= ULTIMATE.start_main_~i~5 201), 198040#(<= ULTIMATE.start_main_~i~5 200), 198045#(<= ULTIMATE.start_main_~i~5 205), 198044#(<= ULTIMATE.start_main_~i~5 204)] [2018-07-23 13:44:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 42230 backedges. 0 proven. 42230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:43,548 INFO L450 AbstractCegarLoop]: Interpolant automaton has 208 states [2018-07-23 13:44:43,549 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2018-07-23 13:44:43,550 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:44:43,550 INFO L87 Difference]: Start difference. First operand 417 states and 418 transitions. Second operand 208 states. [2018-07-23 13:44:45,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:45,395 INFO L93 Difference]: Finished difference Result 423 states and 425 transitions. [2018-07-23 13:44:45,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2018-07-23 13:44:45,396 INFO L78 Accepts]: Start accepts. Automaton has 208 states. Word has length 416 [2018-07-23 13:44:45,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:45,396 INFO L225 Difference]: With dead ends: 423 [2018-07-23 13:44:45,396 INFO L226 Difference]: Without dead ends: 419 [2018-07-23 13:44:45,397 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:44:45,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2018-07-23 13:44:45,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2018-07-23 13:44:45,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-07-23 13:44:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 420 transitions. [2018-07-23 13:44:45,402 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 420 transitions. Word has length 416 [2018-07-23 13:44:45,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:45,402 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 420 transitions. [2018-07-23 13:44:45,402 INFO L472 AbstractCegarLoop]: Interpolant automaton has 208 states. [2018-07-23 13:44:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 420 transitions. [2018-07-23 13:44:45,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-07-23 13:44:45,404 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:45,404 INFO L357 BasicCegarLoop]: trace histogram [207, 206, 1, 1, 1, 1, 1] [2018-07-23 13:44:45,404 INFO L414 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:45,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1559843709, now seen corresponding path program 206 times [2018-07-23 13:44:45,404 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:47,491 INFO L134 CoverageAnalysis]: Checked inductivity of 42642 backedges. 0 proven. 42642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:47,491 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:47,492 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [208] total 208 [2018-07-23 13:44:47,492 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:47,492 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 13:44:47,492 INFO L185 omatonBuilderFactory]: Interpolants [199731#false, 199730#true, 199735#(<= ULTIMATE.start_main_~i~5 3), 199734#(<= ULTIMATE.start_main_~i~5 2), 199733#(<= ULTIMATE.start_main_~i~5 1), 199732#(<= ULTIMATE.start_main_~i~5 0), 199739#(<= ULTIMATE.start_main_~i~5 7), 199738#(<= ULTIMATE.start_main_~i~5 6), 199737#(<= ULTIMATE.start_main_~i~5 5), 199736#(<= ULTIMATE.start_main_~i~5 4), 199743#(<= ULTIMATE.start_main_~i~5 11), 199742#(<= ULTIMATE.start_main_~i~5 10), 199741#(<= ULTIMATE.start_main_~i~5 9), 199740#(<= ULTIMATE.start_main_~i~5 8), 199747#(<= ULTIMATE.start_main_~i~5 15), 199746#(<= ULTIMATE.start_main_~i~5 14), 199745#(<= ULTIMATE.start_main_~i~5 13), 199744#(<= ULTIMATE.start_main_~i~5 12), 199751#(<= ULTIMATE.start_main_~i~5 19), 199750#(<= ULTIMATE.start_main_~i~5 18), 199749#(<= ULTIMATE.start_main_~i~5 17), 199748#(<= ULTIMATE.start_main_~i~5 16), 199755#(<= ULTIMATE.start_main_~i~5 23), 199754#(<= ULTIMATE.start_main_~i~5 22), 199753#(<= ULTIMATE.start_main_~i~5 21), 199752#(<= ULTIMATE.start_main_~i~5 20), 199759#(<= ULTIMATE.start_main_~i~5 27), 199758#(<= ULTIMATE.start_main_~i~5 26), 199757#(<= ULTIMATE.start_main_~i~5 25), 199756#(<= ULTIMATE.start_main_~i~5 24), 199763#(<= ULTIMATE.start_main_~i~5 31), 199762#(<= ULTIMATE.start_main_~i~5 30), 199761#(<= ULTIMATE.start_main_~i~5 29), 199760#(<= ULTIMATE.start_main_~i~5 28), 199767#(<= ULTIMATE.start_main_~i~5 35), 199766#(<= ULTIMATE.start_main_~i~5 34), 199765#(<= ULTIMATE.start_main_~i~5 33), 199764#(<= ULTIMATE.start_main_~i~5 32), 199771#(<= ULTIMATE.start_main_~i~5 39), 199770#(<= ULTIMATE.start_main_~i~5 38), 199769#(<= ULTIMATE.start_main_~i~5 37), 199768#(<= ULTIMATE.start_main_~i~5 36), 199775#(<= ULTIMATE.start_main_~i~5 43), 199774#(<= ULTIMATE.start_main_~i~5 42), 199773#(<= ULTIMATE.start_main_~i~5 41), 199772#(<= ULTIMATE.start_main_~i~5 40), 199779#(<= ULTIMATE.start_main_~i~5 47), 199778#(<= ULTIMATE.start_main_~i~5 46), 199777#(<= ULTIMATE.start_main_~i~5 45), 199776#(<= ULTIMATE.start_main_~i~5 44), 199783#(<= ULTIMATE.start_main_~i~5 51), 199782#(<= ULTIMATE.start_main_~i~5 50), 199781#(<= ULTIMATE.start_main_~i~5 49), 199780#(<= ULTIMATE.start_main_~i~5 48), 199787#(<= ULTIMATE.start_main_~i~5 55), 199786#(<= ULTIMATE.start_main_~i~5 54), 199785#(<= ULTIMATE.start_main_~i~5 53), 199784#(<= ULTIMATE.start_main_~i~5 52), 199791#(<= ULTIMATE.start_main_~i~5 59), 199790#(<= ULTIMATE.start_main_~i~5 58), 199789#(<= ULTIMATE.start_main_~i~5 57), 199788#(<= ULTIMATE.start_main_~i~5 56), 199795#(<= ULTIMATE.start_main_~i~5 63), 199794#(<= ULTIMATE.start_main_~i~5 62), 199793#(<= ULTIMATE.start_main_~i~5 61), 199792#(<= ULTIMATE.start_main_~i~5 60), 199799#(<= ULTIMATE.start_main_~i~5 67), 199798#(<= ULTIMATE.start_main_~i~5 66), 199797#(<= ULTIMATE.start_main_~i~5 65), 199796#(<= ULTIMATE.start_main_~i~5 64), 199803#(<= ULTIMATE.start_main_~i~5 71), 199802#(<= ULTIMATE.start_main_~i~5 70), 199801#(<= ULTIMATE.start_main_~i~5 69), 199800#(<= ULTIMATE.start_main_~i~5 68), 199807#(<= ULTIMATE.start_main_~i~5 75), 199806#(<= ULTIMATE.start_main_~i~5 74), 199805#(<= ULTIMATE.start_main_~i~5 73), 199804#(<= ULTIMATE.start_main_~i~5 72), 199811#(<= ULTIMATE.start_main_~i~5 79), 199810#(<= ULTIMATE.start_main_~i~5 78), 199809#(<= ULTIMATE.start_main_~i~5 77), 199808#(<= ULTIMATE.start_main_~i~5 76), 199815#(<= ULTIMATE.start_main_~i~5 83), 199814#(<= ULTIMATE.start_main_~i~5 82), 199813#(<= ULTIMATE.start_main_~i~5 81), 199812#(<= ULTIMATE.start_main_~i~5 80), 199819#(<= ULTIMATE.start_main_~i~5 87), 199818#(<= ULTIMATE.start_main_~i~5 86), 199817#(<= ULTIMATE.start_main_~i~5 85), 199816#(<= ULTIMATE.start_main_~i~5 84), 199823#(<= ULTIMATE.start_main_~i~5 91), 199822#(<= ULTIMATE.start_main_~i~5 90), 199821#(<= ULTIMATE.start_main_~i~5 89), 199820#(<= ULTIMATE.start_main_~i~5 88), 199827#(<= ULTIMATE.start_main_~i~5 95), 199826#(<= ULTIMATE.start_main_~i~5 94), 199825#(<= ULTIMATE.start_main_~i~5 93), 199824#(<= ULTIMATE.start_main_~i~5 92), 199831#(<= ULTIMATE.start_main_~i~5 99), 199830#(<= ULTIMATE.start_main_~i~5 98), 199829#(<= ULTIMATE.start_main_~i~5 97), 199828#(<= ULTIMATE.start_main_~i~5 96), 199835#(<= ULTIMATE.start_main_~i~5 103), 199834#(<= ULTIMATE.start_main_~i~5 102), 199833#(<= ULTIMATE.start_main_~i~5 101), 199832#(<= ULTIMATE.start_main_~i~5 100), 199839#(<= ULTIMATE.start_main_~i~5 107), 199838#(<= ULTIMATE.start_main_~i~5 106), 199837#(<= ULTIMATE.start_main_~i~5 105), 199836#(<= ULTIMATE.start_main_~i~5 104), 199843#(<= ULTIMATE.start_main_~i~5 111), 199842#(<= ULTIMATE.start_main_~i~5 110), 199841#(<= ULTIMATE.start_main_~i~5 109), 199840#(<= ULTIMATE.start_main_~i~5 108), 199847#(<= ULTIMATE.start_main_~i~5 115), 199846#(<= ULTIMATE.start_main_~i~5 114), 199845#(<= ULTIMATE.start_main_~i~5 113), 199844#(<= ULTIMATE.start_main_~i~5 112), 199851#(<= ULTIMATE.start_main_~i~5 119), 199850#(<= ULTIMATE.start_main_~i~5 118), 199849#(<= ULTIMATE.start_main_~i~5 117), 199848#(<= ULTIMATE.start_main_~i~5 116), 199855#(<= ULTIMATE.start_main_~i~5 123), 199854#(<= ULTIMATE.start_main_~i~5 122), 199853#(<= ULTIMATE.start_main_~i~5 121), 199852#(<= ULTIMATE.start_main_~i~5 120), 199859#(<= ULTIMATE.start_main_~i~5 127), 199858#(<= ULTIMATE.start_main_~i~5 126), 199857#(<= ULTIMATE.start_main_~i~5 125), 199856#(<= ULTIMATE.start_main_~i~5 124), 199863#(<= ULTIMATE.start_main_~i~5 131), 199862#(<= ULTIMATE.start_main_~i~5 130), 199861#(<= ULTIMATE.start_main_~i~5 129), 199860#(<= ULTIMATE.start_main_~i~5 128), 199867#(<= ULTIMATE.start_main_~i~5 135), 199866#(<= ULTIMATE.start_main_~i~5 134), 199865#(<= ULTIMATE.start_main_~i~5 133), 199864#(<= ULTIMATE.start_main_~i~5 132), 199871#(<= ULTIMATE.start_main_~i~5 139), 199870#(<= ULTIMATE.start_main_~i~5 138), 199869#(<= ULTIMATE.start_main_~i~5 137), 199868#(<= ULTIMATE.start_main_~i~5 136), 199875#(<= ULTIMATE.start_main_~i~5 143), 199874#(<= ULTIMATE.start_main_~i~5 142), 199873#(<= ULTIMATE.start_main_~i~5 141), 199872#(<= ULTIMATE.start_main_~i~5 140), 199879#(<= ULTIMATE.start_main_~i~5 147), 199878#(<= ULTIMATE.start_main_~i~5 146), 199877#(<= ULTIMATE.start_main_~i~5 145), 199876#(<= ULTIMATE.start_main_~i~5 144), 199883#(<= ULTIMATE.start_main_~i~5 151), 199882#(<= ULTIMATE.start_main_~i~5 150), 199881#(<= ULTIMATE.start_main_~i~5 149), 199880#(<= ULTIMATE.start_main_~i~5 148), 199887#(<= ULTIMATE.start_main_~i~5 155), 199886#(<= ULTIMATE.start_main_~i~5 154), 199885#(<= ULTIMATE.start_main_~i~5 153), 199884#(<= ULTIMATE.start_main_~i~5 152), 199891#(<= ULTIMATE.start_main_~i~5 159), 199890#(<= ULTIMATE.start_main_~i~5 158), 199889#(<= ULTIMATE.start_main_~i~5 157), 199888#(<= ULTIMATE.start_main_~i~5 156), 199895#(<= ULTIMATE.start_main_~i~5 163), 199894#(<= ULTIMATE.start_main_~i~5 162), 199893#(<= ULTIMATE.start_main_~i~5 161), 199892#(<= ULTIMATE.start_main_~i~5 160), 199899#(<= ULTIMATE.start_main_~i~5 167), 199898#(<= ULTIMATE.start_main_~i~5 166), 199897#(<= ULTIMATE.start_main_~i~5 165), 199896#(<= ULTIMATE.start_main_~i~5 164), 199903#(<= ULTIMATE.start_main_~i~5 171), 199902#(<= ULTIMATE.start_main_~i~5 170), 199901#(<= ULTIMATE.start_main_~i~5 169), 199900#(<= ULTIMATE.start_main_~i~5 168), 199907#(<= ULTIMATE.start_main_~i~5 175), 199906#(<= ULTIMATE.start_main_~i~5 174), 199905#(<= ULTIMATE.start_main_~i~5 173), 199904#(<= ULTIMATE.start_main_~i~5 172), 199911#(<= ULTIMATE.start_main_~i~5 179), 199910#(<= ULTIMATE.start_main_~i~5 178), 199909#(<= ULTIMATE.start_main_~i~5 177), 199908#(<= ULTIMATE.start_main_~i~5 176), 199915#(<= ULTIMATE.start_main_~i~5 183), 199914#(<= ULTIMATE.start_main_~i~5 182), 199913#(<= ULTIMATE.start_main_~i~5 181), 199912#(<= ULTIMATE.start_main_~i~5 180), 199919#(<= ULTIMATE.start_main_~i~5 187), 199918#(<= ULTIMATE.start_main_~i~5 186), 199917#(<= ULTIMATE.start_main_~i~5 185), 199916#(<= ULTIMATE.start_main_~i~5 184), 199923#(<= ULTIMATE.start_main_~i~5 191), 199922#(<= ULTIMATE.start_main_~i~5 190), 199921#(<= ULTIMATE.start_main_~i~5 189), 199920#(<= ULTIMATE.start_main_~i~5 188), 199927#(<= ULTIMATE.start_main_~i~5 195), 199926#(<= ULTIMATE.start_main_~i~5 194), 199925#(<= ULTIMATE.start_main_~i~5 193), 199924#(<= ULTIMATE.start_main_~i~5 192), 199931#(<= ULTIMATE.start_main_~i~5 199), 199930#(<= ULTIMATE.start_main_~i~5 198), 199929#(<= ULTIMATE.start_main_~i~5 197), 199928#(<= ULTIMATE.start_main_~i~5 196), 199935#(<= ULTIMATE.start_main_~i~5 203), 199934#(<= ULTIMATE.start_main_~i~5 202), 199933#(<= ULTIMATE.start_main_~i~5 201), 199932#(<= ULTIMATE.start_main_~i~5 200), 199938#(<= ULTIMATE.start_main_~i~5 206), 199937#(<= ULTIMATE.start_main_~i~5 205), 199936#(<= ULTIMATE.start_main_~i~5 204)] [2018-07-23 13:44:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 42642 backedges. 0 proven. 42642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:47,495 INFO L450 AbstractCegarLoop]: Interpolant automaton has 209 states [2018-07-23 13:44:47,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2018-07-23 13:44:47,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:44:47,500 INFO L87 Difference]: Start difference. First operand 419 states and 420 transitions. Second operand 209 states. [2018-07-23 13:44:50,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:50,396 INFO L93 Difference]: Finished difference Result 425 states and 427 transitions. [2018-07-23 13:44:50,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2018-07-23 13:44:50,396 INFO L78 Accepts]: Start accepts. Automaton has 209 states. Word has length 418 [2018-07-23 13:44:50,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:50,397 INFO L225 Difference]: With dead ends: 425 [2018-07-23 13:44:50,397 INFO L226 Difference]: Without dead ends: 421 [2018-07-23 13:44:50,399 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:44:50,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-07-23 13:44:50,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2018-07-23 13:44:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-07-23 13:44:50,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 422 transitions. [2018-07-23 13:44:50,404 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 422 transitions. Word has length 418 [2018-07-23 13:44:50,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:50,404 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 422 transitions. [2018-07-23 13:44:50,404 INFO L472 AbstractCegarLoop]: Interpolant automaton has 209 states. [2018-07-23 13:44:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 422 transitions. [2018-07-23 13:44:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-07-23 13:44:50,405 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:50,405 INFO L357 BasicCegarLoop]: trace histogram [208, 207, 1, 1, 1, 1, 1] [2018-07-23 13:44:50,405 INFO L414 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:50,406 INFO L82 PathProgramCache]: Analyzing trace with hash -149776257, now seen corresponding path program 207 times [2018-07-23 13:44:50,406 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 43056 backedges. 0 proven. 43056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,494 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,494 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [209] total 209 [2018-07-23 13:44:52,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,495 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 13:44:52,495 INFO L185 omatonBuilderFactory]: Interpolants [201731#(<= ULTIMATE.start_main_~i~5 98), 201730#(<= ULTIMATE.start_main_~i~5 97), 201729#(<= ULTIMATE.start_main_~i~5 96), 201728#(<= ULTIMATE.start_main_~i~5 95), 201735#(<= ULTIMATE.start_main_~i~5 102), 201734#(<= ULTIMATE.start_main_~i~5 101), 201733#(<= ULTIMATE.start_main_~i~5 100), 201732#(<= ULTIMATE.start_main_~i~5 99), 201739#(<= ULTIMATE.start_main_~i~5 106), 201738#(<= ULTIMATE.start_main_~i~5 105), 201737#(<= ULTIMATE.start_main_~i~5 104), 201736#(<= ULTIMATE.start_main_~i~5 103), 201743#(<= ULTIMATE.start_main_~i~5 110), 201742#(<= ULTIMATE.start_main_~i~5 109), 201741#(<= ULTIMATE.start_main_~i~5 108), 201740#(<= ULTIMATE.start_main_~i~5 107), 201747#(<= ULTIMATE.start_main_~i~5 114), 201746#(<= ULTIMATE.start_main_~i~5 113), 201745#(<= ULTIMATE.start_main_~i~5 112), 201744#(<= ULTIMATE.start_main_~i~5 111), 201751#(<= ULTIMATE.start_main_~i~5 118), 201750#(<= ULTIMATE.start_main_~i~5 117), 201749#(<= ULTIMATE.start_main_~i~5 116), 201748#(<= ULTIMATE.start_main_~i~5 115), 201755#(<= ULTIMATE.start_main_~i~5 122), 201754#(<= ULTIMATE.start_main_~i~5 121), 201753#(<= ULTIMATE.start_main_~i~5 120), 201752#(<= ULTIMATE.start_main_~i~5 119), 201759#(<= ULTIMATE.start_main_~i~5 126), 201758#(<= ULTIMATE.start_main_~i~5 125), 201757#(<= ULTIMATE.start_main_~i~5 124), 201756#(<= ULTIMATE.start_main_~i~5 123), 201763#(<= ULTIMATE.start_main_~i~5 130), 201762#(<= ULTIMATE.start_main_~i~5 129), 201761#(<= ULTIMATE.start_main_~i~5 128), 201760#(<= ULTIMATE.start_main_~i~5 127), 201767#(<= ULTIMATE.start_main_~i~5 134), 201766#(<= ULTIMATE.start_main_~i~5 133), 201765#(<= ULTIMATE.start_main_~i~5 132), 201764#(<= ULTIMATE.start_main_~i~5 131), 201771#(<= ULTIMATE.start_main_~i~5 138), 201770#(<= ULTIMATE.start_main_~i~5 137), 201769#(<= ULTIMATE.start_main_~i~5 136), 201768#(<= ULTIMATE.start_main_~i~5 135), 201775#(<= ULTIMATE.start_main_~i~5 142), 201774#(<= ULTIMATE.start_main_~i~5 141), 201773#(<= ULTIMATE.start_main_~i~5 140), 201772#(<= ULTIMATE.start_main_~i~5 139), 201779#(<= ULTIMATE.start_main_~i~5 146), 201778#(<= ULTIMATE.start_main_~i~5 145), 201777#(<= ULTIMATE.start_main_~i~5 144), 201776#(<= ULTIMATE.start_main_~i~5 143), 201783#(<= ULTIMATE.start_main_~i~5 150), 201782#(<= ULTIMATE.start_main_~i~5 149), 201781#(<= ULTIMATE.start_main_~i~5 148), 201780#(<= ULTIMATE.start_main_~i~5 147), 201787#(<= ULTIMATE.start_main_~i~5 154), 201786#(<= ULTIMATE.start_main_~i~5 153), 201785#(<= ULTIMATE.start_main_~i~5 152), 201784#(<= ULTIMATE.start_main_~i~5 151), 201791#(<= ULTIMATE.start_main_~i~5 158), 201790#(<= ULTIMATE.start_main_~i~5 157), 201789#(<= ULTIMATE.start_main_~i~5 156), 201788#(<= ULTIMATE.start_main_~i~5 155), 201795#(<= ULTIMATE.start_main_~i~5 162), 201794#(<= ULTIMATE.start_main_~i~5 161), 201793#(<= ULTIMATE.start_main_~i~5 160), 201792#(<= ULTIMATE.start_main_~i~5 159), 201799#(<= ULTIMATE.start_main_~i~5 166), 201798#(<= ULTIMATE.start_main_~i~5 165), 201797#(<= ULTIMATE.start_main_~i~5 164), 201796#(<= ULTIMATE.start_main_~i~5 163), 201803#(<= ULTIMATE.start_main_~i~5 170), 201802#(<= ULTIMATE.start_main_~i~5 169), 201801#(<= ULTIMATE.start_main_~i~5 168), 201800#(<= ULTIMATE.start_main_~i~5 167), 201807#(<= ULTIMATE.start_main_~i~5 174), 201806#(<= ULTIMATE.start_main_~i~5 173), 201805#(<= ULTIMATE.start_main_~i~5 172), 201804#(<= ULTIMATE.start_main_~i~5 171), 201811#(<= ULTIMATE.start_main_~i~5 178), 201810#(<= ULTIMATE.start_main_~i~5 177), 201809#(<= ULTIMATE.start_main_~i~5 176), 201808#(<= ULTIMATE.start_main_~i~5 175), 201815#(<= ULTIMATE.start_main_~i~5 182), 201814#(<= ULTIMATE.start_main_~i~5 181), 201813#(<= ULTIMATE.start_main_~i~5 180), 201812#(<= ULTIMATE.start_main_~i~5 179), 201819#(<= ULTIMATE.start_main_~i~5 186), 201818#(<= ULTIMATE.start_main_~i~5 185), 201817#(<= ULTIMATE.start_main_~i~5 184), 201816#(<= ULTIMATE.start_main_~i~5 183), 201823#(<= ULTIMATE.start_main_~i~5 190), 201822#(<= ULTIMATE.start_main_~i~5 189), 201821#(<= ULTIMATE.start_main_~i~5 188), 201820#(<= ULTIMATE.start_main_~i~5 187), 201827#(<= ULTIMATE.start_main_~i~5 194), 201826#(<= ULTIMATE.start_main_~i~5 193), 201825#(<= ULTIMATE.start_main_~i~5 192), 201824#(<= ULTIMATE.start_main_~i~5 191), 201831#(<= ULTIMATE.start_main_~i~5 198), 201830#(<= ULTIMATE.start_main_~i~5 197), 201829#(<= ULTIMATE.start_main_~i~5 196), 201828#(<= ULTIMATE.start_main_~i~5 195), 201835#(<= ULTIMATE.start_main_~i~5 202), 201834#(<= ULTIMATE.start_main_~i~5 201), 201833#(<= ULTIMATE.start_main_~i~5 200), 201832#(<= ULTIMATE.start_main_~i~5 199), 201839#(<= ULTIMATE.start_main_~i~5 206), 201838#(<= ULTIMATE.start_main_~i~5 205), 201837#(<= ULTIMATE.start_main_~i~5 204), 201836#(<= ULTIMATE.start_main_~i~5 203), 201840#(<= ULTIMATE.start_main_~i~5 207), 201631#true, 201635#(<= ULTIMATE.start_main_~i~5 2), 201634#(<= ULTIMATE.start_main_~i~5 1), 201633#(<= ULTIMATE.start_main_~i~5 0), 201632#false, 201639#(<= ULTIMATE.start_main_~i~5 6), 201638#(<= ULTIMATE.start_main_~i~5 5), 201637#(<= ULTIMATE.start_main_~i~5 4), 201636#(<= ULTIMATE.start_main_~i~5 3), 201643#(<= ULTIMATE.start_main_~i~5 10), 201642#(<= ULTIMATE.start_main_~i~5 9), 201641#(<= ULTIMATE.start_main_~i~5 8), 201640#(<= ULTIMATE.start_main_~i~5 7), 201647#(<= ULTIMATE.start_main_~i~5 14), 201646#(<= ULTIMATE.start_main_~i~5 13), 201645#(<= ULTIMATE.start_main_~i~5 12), 201644#(<= ULTIMATE.start_main_~i~5 11), 201651#(<= ULTIMATE.start_main_~i~5 18), 201650#(<= ULTIMATE.start_main_~i~5 17), 201649#(<= ULTIMATE.start_main_~i~5 16), 201648#(<= ULTIMATE.start_main_~i~5 15), 201655#(<= ULTIMATE.start_main_~i~5 22), 201654#(<= ULTIMATE.start_main_~i~5 21), 201653#(<= ULTIMATE.start_main_~i~5 20), 201652#(<= ULTIMATE.start_main_~i~5 19), 201659#(<= ULTIMATE.start_main_~i~5 26), 201658#(<= ULTIMATE.start_main_~i~5 25), 201657#(<= ULTIMATE.start_main_~i~5 24), 201656#(<= ULTIMATE.start_main_~i~5 23), 201663#(<= ULTIMATE.start_main_~i~5 30), 201662#(<= ULTIMATE.start_main_~i~5 29), 201661#(<= ULTIMATE.start_main_~i~5 28), 201660#(<= ULTIMATE.start_main_~i~5 27), 201667#(<= ULTIMATE.start_main_~i~5 34), 201666#(<= ULTIMATE.start_main_~i~5 33), 201665#(<= ULTIMATE.start_main_~i~5 32), 201664#(<= ULTIMATE.start_main_~i~5 31), 201671#(<= ULTIMATE.start_main_~i~5 38), 201670#(<= ULTIMATE.start_main_~i~5 37), 201669#(<= ULTIMATE.start_main_~i~5 36), 201668#(<= ULTIMATE.start_main_~i~5 35), 201675#(<= ULTIMATE.start_main_~i~5 42), 201674#(<= ULTIMATE.start_main_~i~5 41), 201673#(<= ULTIMATE.start_main_~i~5 40), 201672#(<= ULTIMATE.start_main_~i~5 39), 201679#(<= ULTIMATE.start_main_~i~5 46), 201678#(<= ULTIMATE.start_main_~i~5 45), 201677#(<= ULTIMATE.start_main_~i~5 44), 201676#(<= ULTIMATE.start_main_~i~5 43), 201683#(<= ULTIMATE.start_main_~i~5 50), 201682#(<= ULTIMATE.start_main_~i~5 49), 201681#(<= ULTIMATE.start_main_~i~5 48), 201680#(<= ULTIMATE.start_main_~i~5 47), 201687#(<= ULTIMATE.start_main_~i~5 54), 201686#(<= ULTIMATE.start_main_~i~5 53), 201685#(<= ULTIMATE.start_main_~i~5 52), 201684#(<= ULTIMATE.start_main_~i~5 51), 201691#(<= ULTIMATE.start_main_~i~5 58), 201690#(<= ULTIMATE.start_main_~i~5 57), 201689#(<= ULTIMATE.start_main_~i~5 56), 201688#(<= ULTIMATE.start_main_~i~5 55), 201695#(<= ULTIMATE.start_main_~i~5 62), 201694#(<= ULTIMATE.start_main_~i~5 61), 201693#(<= ULTIMATE.start_main_~i~5 60), 201692#(<= ULTIMATE.start_main_~i~5 59), 201699#(<= ULTIMATE.start_main_~i~5 66), 201698#(<= ULTIMATE.start_main_~i~5 65), 201697#(<= ULTIMATE.start_main_~i~5 64), 201696#(<= ULTIMATE.start_main_~i~5 63), 201703#(<= ULTIMATE.start_main_~i~5 70), 201702#(<= ULTIMATE.start_main_~i~5 69), 201701#(<= ULTIMATE.start_main_~i~5 68), 201700#(<= ULTIMATE.start_main_~i~5 67), 201707#(<= ULTIMATE.start_main_~i~5 74), 201706#(<= ULTIMATE.start_main_~i~5 73), 201705#(<= ULTIMATE.start_main_~i~5 72), 201704#(<= ULTIMATE.start_main_~i~5 71), 201711#(<= ULTIMATE.start_main_~i~5 78), 201710#(<= ULTIMATE.start_main_~i~5 77), 201709#(<= ULTIMATE.start_main_~i~5 76), 201708#(<= ULTIMATE.start_main_~i~5 75), 201715#(<= ULTIMATE.start_main_~i~5 82), 201714#(<= ULTIMATE.start_main_~i~5 81), 201713#(<= ULTIMATE.start_main_~i~5 80), 201712#(<= ULTIMATE.start_main_~i~5 79), 201719#(<= ULTIMATE.start_main_~i~5 86), 201718#(<= ULTIMATE.start_main_~i~5 85), 201717#(<= ULTIMATE.start_main_~i~5 84), 201716#(<= ULTIMATE.start_main_~i~5 83), 201723#(<= ULTIMATE.start_main_~i~5 90), 201722#(<= ULTIMATE.start_main_~i~5 89), 201721#(<= ULTIMATE.start_main_~i~5 88), 201720#(<= ULTIMATE.start_main_~i~5 87), 201727#(<= ULTIMATE.start_main_~i~5 94), 201726#(<= ULTIMATE.start_main_~i~5 93), 201725#(<= ULTIMATE.start_main_~i~5 92), 201724#(<= ULTIMATE.start_main_~i~5 91)] [2018-07-23 13:44:52,497 INFO L134 CoverageAnalysis]: Checked inductivity of 43056 backedges. 0 proven. 43056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,497 INFO L450 AbstractCegarLoop]: Interpolant automaton has 210 states [2018-07-23 13:44:52,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2018-07-23 13:44:52,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:44:52,502 INFO L87 Difference]: Start difference. First operand 421 states and 422 transitions. Second operand 210 states. [2018-07-23 13:44:53,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,420 INFO L93 Difference]: Finished difference Result 427 states and 429 transitions. [2018-07-23 13:44:53,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2018-07-23 13:44:53,420 INFO L78 Accepts]: Start accepts. Automaton has 210 states. Word has length 420 [2018-07-23 13:44:53,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,421 INFO L225 Difference]: With dead ends: 427 [2018-07-23 13:44:53,421 INFO L226 Difference]: Without dead ends: 423 [2018-07-23 13:44:53,423 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:44:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-07-23 13:44:53,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2018-07-23 13:44:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-07-23 13:44:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 424 transitions. [2018-07-23 13:44:53,428 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 424 transitions. Word has length 420 [2018-07-23 13:44:53,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,428 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 424 transitions. [2018-07-23 13:44:53,428 INFO L472 AbstractCegarLoop]: Interpolant automaton has 210 states. [2018-07-23 13:44:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 424 transitions. [2018-07-23 13:44:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-07-23 13:44:53,430 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,430 INFO L357 BasicCegarLoop]: trace histogram [209, 208, 1, 1, 1, 1, 1] [2018-07-23 13:44:53,430 INFO L414 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,430 INFO L82 PathProgramCache]: Analyzing trace with hash 2010346875, now seen corresponding path program 208 times [2018-07-23 13:44:53,430 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 43472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,728 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:55,728 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [210] total 210 [2018-07-23 13:44:55,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:55,728 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 13:44:55,729 INFO L185 omatonBuilderFactory]: Interpolants [203543#(<= ULTIMATE.start_main_~i~5 0), 203542#false, 203541#true, 203547#(<= ULTIMATE.start_main_~i~5 4), 203546#(<= ULTIMATE.start_main_~i~5 3), 203545#(<= ULTIMATE.start_main_~i~5 2), 203544#(<= ULTIMATE.start_main_~i~5 1), 203551#(<= ULTIMATE.start_main_~i~5 8), 203550#(<= ULTIMATE.start_main_~i~5 7), 203549#(<= ULTIMATE.start_main_~i~5 6), 203548#(<= ULTIMATE.start_main_~i~5 5), 203555#(<= ULTIMATE.start_main_~i~5 12), 203554#(<= ULTIMATE.start_main_~i~5 11), 203553#(<= ULTIMATE.start_main_~i~5 10), 203552#(<= ULTIMATE.start_main_~i~5 9), 203559#(<= ULTIMATE.start_main_~i~5 16), 203558#(<= ULTIMATE.start_main_~i~5 15), 203557#(<= ULTIMATE.start_main_~i~5 14), 203556#(<= ULTIMATE.start_main_~i~5 13), 203563#(<= ULTIMATE.start_main_~i~5 20), 203562#(<= ULTIMATE.start_main_~i~5 19), 203561#(<= ULTIMATE.start_main_~i~5 18), 203560#(<= ULTIMATE.start_main_~i~5 17), 203567#(<= ULTIMATE.start_main_~i~5 24), 203566#(<= ULTIMATE.start_main_~i~5 23), 203565#(<= ULTIMATE.start_main_~i~5 22), 203564#(<= ULTIMATE.start_main_~i~5 21), 203571#(<= ULTIMATE.start_main_~i~5 28), 203570#(<= ULTIMATE.start_main_~i~5 27), 203569#(<= ULTIMATE.start_main_~i~5 26), 203568#(<= ULTIMATE.start_main_~i~5 25), 203575#(<= ULTIMATE.start_main_~i~5 32), 203574#(<= ULTIMATE.start_main_~i~5 31), 203573#(<= ULTIMATE.start_main_~i~5 30), 203572#(<= ULTIMATE.start_main_~i~5 29), 203579#(<= ULTIMATE.start_main_~i~5 36), 203578#(<= ULTIMATE.start_main_~i~5 35), 203577#(<= ULTIMATE.start_main_~i~5 34), 203576#(<= ULTIMATE.start_main_~i~5 33), 203583#(<= ULTIMATE.start_main_~i~5 40), 203582#(<= ULTIMATE.start_main_~i~5 39), 203581#(<= ULTIMATE.start_main_~i~5 38), 203580#(<= ULTIMATE.start_main_~i~5 37), 203587#(<= ULTIMATE.start_main_~i~5 44), 203586#(<= ULTIMATE.start_main_~i~5 43), 203585#(<= ULTIMATE.start_main_~i~5 42), 203584#(<= ULTIMATE.start_main_~i~5 41), 203591#(<= ULTIMATE.start_main_~i~5 48), 203590#(<= ULTIMATE.start_main_~i~5 47), 203589#(<= ULTIMATE.start_main_~i~5 46), 203588#(<= ULTIMATE.start_main_~i~5 45), 203595#(<= ULTIMATE.start_main_~i~5 52), 203594#(<= ULTIMATE.start_main_~i~5 51), 203593#(<= ULTIMATE.start_main_~i~5 50), 203592#(<= ULTIMATE.start_main_~i~5 49), 203599#(<= ULTIMATE.start_main_~i~5 56), 203598#(<= ULTIMATE.start_main_~i~5 55), 203597#(<= ULTIMATE.start_main_~i~5 54), 203596#(<= ULTIMATE.start_main_~i~5 53), 203603#(<= ULTIMATE.start_main_~i~5 60), 203602#(<= ULTIMATE.start_main_~i~5 59), 203601#(<= ULTIMATE.start_main_~i~5 58), 203600#(<= ULTIMATE.start_main_~i~5 57), 203607#(<= ULTIMATE.start_main_~i~5 64), 203606#(<= ULTIMATE.start_main_~i~5 63), 203605#(<= ULTIMATE.start_main_~i~5 62), 203604#(<= ULTIMATE.start_main_~i~5 61), 203611#(<= ULTIMATE.start_main_~i~5 68), 203610#(<= ULTIMATE.start_main_~i~5 67), 203609#(<= ULTIMATE.start_main_~i~5 66), 203608#(<= ULTIMATE.start_main_~i~5 65), 203615#(<= ULTIMATE.start_main_~i~5 72), 203614#(<= ULTIMATE.start_main_~i~5 71), 203613#(<= ULTIMATE.start_main_~i~5 70), 203612#(<= ULTIMATE.start_main_~i~5 69), 203619#(<= ULTIMATE.start_main_~i~5 76), 203618#(<= ULTIMATE.start_main_~i~5 75), 203617#(<= ULTIMATE.start_main_~i~5 74), 203616#(<= ULTIMATE.start_main_~i~5 73), 203623#(<= ULTIMATE.start_main_~i~5 80), 203622#(<= ULTIMATE.start_main_~i~5 79), 203621#(<= ULTIMATE.start_main_~i~5 78), 203620#(<= ULTIMATE.start_main_~i~5 77), 203627#(<= ULTIMATE.start_main_~i~5 84), 203626#(<= ULTIMATE.start_main_~i~5 83), 203625#(<= ULTIMATE.start_main_~i~5 82), 203624#(<= ULTIMATE.start_main_~i~5 81), 203631#(<= ULTIMATE.start_main_~i~5 88), 203630#(<= ULTIMATE.start_main_~i~5 87), 203629#(<= ULTIMATE.start_main_~i~5 86), 203628#(<= ULTIMATE.start_main_~i~5 85), 203635#(<= ULTIMATE.start_main_~i~5 92), 203634#(<= ULTIMATE.start_main_~i~5 91), 203633#(<= ULTIMATE.start_main_~i~5 90), 203632#(<= ULTIMATE.start_main_~i~5 89), 203639#(<= ULTIMATE.start_main_~i~5 96), 203638#(<= ULTIMATE.start_main_~i~5 95), 203637#(<= ULTIMATE.start_main_~i~5 94), 203636#(<= ULTIMATE.start_main_~i~5 93), 203643#(<= ULTIMATE.start_main_~i~5 100), 203642#(<= ULTIMATE.start_main_~i~5 99), 203641#(<= ULTIMATE.start_main_~i~5 98), 203640#(<= ULTIMATE.start_main_~i~5 97), 203647#(<= ULTIMATE.start_main_~i~5 104), 203646#(<= ULTIMATE.start_main_~i~5 103), 203645#(<= ULTIMATE.start_main_~i~5 102), 203644#(<= ULTIMATE.start_main_~i~5 101), 203651#(<= ULTIMATE.start_main_~i~5 108), 203650#(<= ULTIMATE.start_main_~i~5 107), 203649#(<= ULTIMATE.start_main_~i~5 106), 203648#(<= ULTIMATE.start_main_~i~5 105), 203655#(<= ULTIMATE.start_main_~i~5 112), 203654#(<= ULTIMATE.start_main_~i~5 111), 203653#(<= ULTIMATE.start_main_~i~5 110), 203652#(<= ULTIMATE.start_main_~i~5 109), 203659#(<= ULTIMATE.start_main_~i~5 116), 203658#(<= ULTIMATE.start_main_~i~5 115), 203657#(<= ULTIMATE.start_main_~i~5 114), 203656#(<= ULTIMATE.start_main_~i~5 113), 203663#(<= ULTIMATE.start_main_~i~5 120), 203662#(<= ULTIMATE.start_main_~i~5 119), 203661#(<= ULTIMATE.start_main_~i~5 118), 203660#(<= ULTIMATE.start_main_~i~5 117), 203667#(<= ULTIMATE.start_main_~i~5 124), 203666#(<= ULTIMATE.start_main_~i~5 123), 203665#(<= ULTIMATE.start_main_~i~5 122), 203664#(<= ULTIMATE.start_main_~i~5 121), 203671#(<= ULTIMATE.start_main_~i~5 128), 203670#(<= ULTIMATE.start_main_~i~5 127), 203669#(<= ULTIMATE.start_main_~i~5 126), 203668#(<= ULTIMATE.start_main_~i~5 125), 203675#(<= ULTIMATE.start_main_~i~5 132), 203674#(<= ULTIMATE.start_main_~i~5 131), 203673#(<= ULTIMATE.start_main_~i~5 130), 203672#(<= ULTIMATE.start_main_~i~5 129), 203679#(<= ULTIMATE.start_main_~i~5 136), 203678#(<= ULTIMATE.start_main_~i~5 135), 203677#(<= ULTIMATE.start_main_~i~5 134), 203676#(<= ULTIMATE.start_main_~i~5 133), 203683#(<= ULTIMATE.start_main_~i~5 140), 203682#(<= ULTIMATE.start_main_~i~5 139), 203681#(<= ULTIMATE.start_main_~i~5 138), 203680#(<= ULTIMATE.start_main_~i~5 137), 203687#(<= ULTIMATE.start_main_~i~5 144), 203686#(<= ULTIMATE.start_main_~i~5 143), 203685#(<= ULTIMATE.start_main_~i~5 142), 203684#(<= ULTIMATE.start_main_~i~5 141), 203691#(<= ULTIMATE.start_main_~i~5 148), 203690#(<= ULTIMATE.start_main_~i~5 147), 203689#(<= ULTIMATE.start_main_~i~5 146), 203688#(<= ULTIMATE.start_main_~i~5 145), 203695#(<= ULTIMATE.start_main_~i~5 152), 203694#(<= ULTIMATE.start_main_~i~5 151), 203693#(<= ULTIMATE.start_main_~i~5 150), 203692#(<= ULTIMATE.start_main_~i~5 149), 203699#(<= ULTIMATE.start_main_~i~5 156), 203698#(<= ULTIMATE.start_main_~i~5 155), 203697#(<= ULTIMATE.start_main_~i~5 154), 203696#(<= ULTIMATE.start_main_~i~5 153), 203703#(<= ULTIMATE.start_main_~i~5 160), 203702#(<= ULTIMATE.start_main_~i~5 159), 203701#(<= ULTIMATE.start_main_~i~5 158), 203700#(<= ULTIMATE.start_main_~i~5 157), 203707#(<= ULTIMATE.start_main_~i~5 164), 203706#(<= ULTIMATE.start_main_~i~5 163), 203705#(<= ULTIMATE.start_main_~i~5 162), 203704#(<= ULTIMATE.start_main_~i~5 161), 203711#(<= ULTIMATE.start_main_~i~5 168), 203710#(<= ULTIMATE.start_main_~i~5 167), 203709#(<= ULTIMATE.start_main_~i~5 166), 203708#(<= ULTIMATE.start_main_~i~5 165), 203715#(<= ULTIMATE.start_main_~i~5 172), 203714#(<= ULTIMATE.start_main_~i~5 171), 203713#(<= ULTIMATE.start_main_~i~5 170), 203712#(<= ULTIMATE.start_main_~i~5 169), 203719#(<= ULTIMATE.start_main_~i~5 176), 203718#(<= ULTIMATE.start_main_~i~5 175), 203717#(<= ULTIMATE.start_main_~i~5 174), 203716#(<= ULTIMATE.start_main_~i~5 173), 203723#(<= ULTIMATE.start_main_~i~5 180), 203722#(<= ULTIMATE.start_main_~i~5 179), 203721#(<= ULTIMATE.start_main_~i~5 178), 203720#(<= ULTIMATE.start_main_~i~5 177), 203727#(<= ULTIMATE.start_main_~i~5 184), 203726#(<= ULTIMATE.start_main_~i~5 183), 203725#(<= ULTIMATE.start_main_~i~5 182), 203724#(<= ULTIMATE.start_main_~i~5 181), 203731#(<= ULTIMATE.start_main_~i~5 188), 203730#(<= ULTIMATE.start_main_~i~5 187), 203729#(<= ULTIMATE.start_main_~i~5 186), 203728#(<= ULTIMATE.start_main_~i~5 185), 203735#(<= ULTIMATE.start_main_~i~5 192), 203734#(<= ULTIMATE.start_main_~i~5 191), 203733#(<= ULTIMATE.start_main_~i~5 190), 203732#(<= ULTIMATE.start_main_~i~5 189), 203739#(<= ULTIMATE.start_main_~i~5 196), 203738#(<= ULTIMATE.start_main_~i~5 195), 203737#(<= ULTIMATE.start_main_~i~5 194), 203736#(<= ULTIMATE.start_main_~i~5 193), 203743#(<= ULTIMATE.start_main_~i~5 200), 203742#(<= ULTIMATE.start_main_~i~5 199), 203741#(<= ULTIMATE.start_main_~i~5 198), 203740#(<= ULTIMATE.start_main_~i~5 197), 203747#(<= ULTIMATE.start_main_~i~5 204), 203746#(<= ULTIMATE.start_main_~i~5 203), 203745#(<= ULTIMATE.start_main_~i~5 202), 203744#(<= ULTIMATE.start_main_~i~5 201), 203751#(<= ULTIMATE.start_main_~i~5 208), 203750#(<= ULTIMATE.start_main_~i~5 207), 203749#(<= ULTIMATE.start_main_~i~5 206), 203748#(<= ULTIMATE.start_main_~i~5 205)] [2018-07-23 13:44:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 43472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,730 INFO L450 AbstractCegarLoop]: Interpolant automaton has 211 states [2018-07-23 13:44:55,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2018-07-23 13:44:55,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:44:55,733 INFO L87 Difference]: Start difference. First operand 423 states and 424 transitions. Second operand 211 states. [2018-07-23 13:44:58,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:58,661 INFO L93 Difference]: Finished difference Result 429 states and 431 transitions. [2018-07-23 13:44:58,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2018-07-23 13:44:58,661 INFO L78 Accepts]: Start accepts. Automaton has 211 states. Word has length 422 [2018-07-23 13:44:58,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:58,662 INFO L225 Difference]: With dead ends: 429 [2018-07-23 13:44:58,662 INFO L226 Difference]: Without dead ends: 425 [2018-07-23 13:44:58,663 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 13:44:58,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-07-23 13:44:58,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2018-07-23 13:44:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-07-23 13:44:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 426 transitions. [2018-07-23 13:44:58,667 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 426 transitions. Word has length 422 [2018-07-23 13:44:58,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:58,667 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 426 transitions. [2018-07-23 13:44:58,667 INFO L472 AbstractCegarLoop]: Interpolant automaton has 211 states. [2018-07-23 13:44:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 426 transitions. [2018-07-23 13:44:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-07-23 13:44:58,668 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:58,669 INFO L357 BasicCegarLoop]: trace histogram [210, 209, 1, 1, 1, 1, 1] [2018-07-23 13:44:58,669 INFO L414 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:58,669 INFO L82 PathProgramCache]: Analyzing trace with hash -875494537, now seen corresponding path program 209 times [2018-07-23 13:44:58,669 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 43890 backedges. 0 proven. 43890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,816 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:00,816 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [211] total 211 [2018-07-23 13:45:00,816 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:00,817 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 13:45:00,817 INFO L185 omatonBuilderFactory]: Interpolants [205463#(<= ULTIMATE.start_main_~i~5 1), 205462#(<= ULTIMATE.start_main_~i~5 0), 205461#false, 205460#true, 205467#(<= ULTIMATE.start_main_~i~5 5), 205466#(<= ULTIMATE.start_main_~i~5 4), 205465#(<= ULTIMATE.start_main_~i~5 3), 205464#(<= ULTIMATE.start_main_~i~5 2), 205471#(<= ULTIMATE.start_main_~i~5 9), 205470#(<= ULTIMATE.start_main_~i~5 8), 205469#(<= ULTIMATE.start_main_~i~5 7), 205468#(<= ULTIMATE.start_main_~i~5 6), 205475#(<= ULTIMATE.start_main_~i~5 13), 205474#(<= ULTIMATE.start_main_~i~5 12), 205473#(<= ULTIMATE.start_main_~i~5 11), 205472#(<= ULTIMATE.start_main_~i~5 10), 205479#(<= ULTIMATE.start_main_~i~5 17), 205478#(<= ULTIMATE.start_main_~i~5 16), 205477#(<= ULTIMATE.start_main_~i~5 15), 205476#(<= ULTIMATE.start_main_~i~5 14), 205483#(<= ULTIMATE.start_main_~i~5 21), 205482#(<= ULTIMATE.start_main_~i~5 20), 205481#(<= ULTIMATE.start_main_~i~5 19), 205480#(<= ULTIMATE.start_main_~i~5 18), 205487#(<= ULTIMATE.start_main_~i~5 25), 205486#(<= ULTIMATE.start_main_~i~5 24), 205485#(<= ULTIMATE.start_main_~i~5 23), 205484#(<= ULTIMATE.start_main_~i~5 22), 205491#(<= ULTIMATE.start_main_~i~5 29), 205490#(<= ULTIMATE.start_main_~i~5 28), 205489#(<= ULTIMATE.start_main_~i~5 27), 205488#(<= ULTIMATE.start_main_~i~5 26), 205495#(<= ULTIMATE.start_main_~i~5 33), 205494#(<= ULTIMATE.start_main_~i~5 32), 205493#(<= ULTIMATE.start_main_~i~5 31), 205492#(<= ULTIMATE.start_main_~i~5 30), 205499#(<= ULTIMATE.start_main_~i~5 37), 205498#(<= ULTIMATE.start_main_~i~5 36), 205497#(<= ULTIMATE.start_main_~i~5 35), 205496#(<= ULTIMATE.start_main_~i~5 34), 205503#(<= ULTIMATE.start_main_~i~5 41), 205502#(<= ULTIMATE.start_main_~i~5 40), 205501#(<= ULTIMATE.start_main_~i~5 39), 205500#(<= ULTIMATE.start_main_~i~5 38), 205507#(<= ULTIMATE.start_main_~i~5 45), 205506#(<= ULTIMATE.start_main_~i~5 44), 205505#(<= ULTIMATE.start_main_~i~5 43), 205504#(<= ULTIMATE.start_main_~i~5 42), 205511#(<= ULTIMATE.start_main_~i~5 49), 205510#(<= ULTIMATE.start_main_~i~5 48), 205509#(<= ULTIMATE.start_main_~i~5 47), 205508#(<= ULTIMATE.start_main_~i~5 46), 205515#(<= ULTIMATE.start_main_~i~5 53), 205514#(<= ULTIMATE.start_main_~i~5 52), 205513#(<= ULTIMATE.start_main_~i~5 51), 205512#(<= ULTIMATE.start_main_~i~5 50), 205519#(<= ULTIMATE.start_main_~i~5 57), 205518#(<= ULTIMATE.start_main_~i~5 56), 205517#(<= ULTIMATE.start_main_~i~5 55), 205516#(<= ULTIMATE.start_main_~i~5 54), 205523#(<= ULTIMATE.start_main_~i~5 61), 205522#(<= ULTIMATE.start_main_~i~5 60), 205521#(<= ULTIMATE.start_main_~i~5 59), 205520#(<= ULTIMATE.start_main_~i~5 58), 205527#(<= ULTIMATE.start_main_~i~5 65), 205526#(<= ULTIMATE.start_main_~i~5 64), 205525#(<= ULTIMATE.start_main_~i~5 63), 205524#(<= ULTIMATE.start_main_~i~5 62), 205531#(<= ULTIMATE.start_main_~i~5 69), 205530#(<= ULTIMATE.start_main_~i~5 68), 205529#(<= ULTIMATE.start_main_~i~5 67), 205528#(<= ULTIMATE.start_main_~i~5 66), 205535#(<= ULTIMATE.start_main_~i~5 73), 205534#(<= ULTIMATE.start_main_~i~5 72), 205533#(<= ULTIMATE.start_main_~i~5 71), 205532#(<= ULTIMATE.start_main_~i~5 70), 205539#(<= ULTIMATE.start_main_~i~5 77), 205538#(<= ULTIMATE.start_main_~i~5 76), 205537#(<= ULTIMATE.start_main_~i~5 75), 205536#(<= ULTIMATE.start_main_~i~5 74), 205543#(<= ULTIMATE.start_main_~i~5 81), 205542#(<= ULTIMATE.start_main_~i~5 80), 205541#(<= ULTIMATE.start_main_~i~5 79), 205540#(<= ULTIMATE.start_main_~i~5 78), 205547#(<= ULTIMATE.start_main_~i~5 85), 205546#(<= ULTIMATE.start_main_~i~5 84), 205545#(<= ULTIMATE.start_main_~i~5 83), 205544#(<= ULTIMATE.start_main_~i~5 82), 205551#(<= ULTIMATE.start_main_~i~5 89), 205550#(<= ULTIMATE.start_main_~i~5 88), 205549#(<= ULTIMATE.start_main_~i~5 87), 205548#(<= ULTIMATE.start_main_~i~5 86), 205555#(<= ULTIMATE.start_main_~i~5 93), 205554#(<= ULTIMATE.start_main_~i~5 92), 205553#(<= ULTIMATE.start_main_~i~5 91), 205552#(<= ULTIMATE.start_main_~i~5 90), 205559#(<= ULTIMATE.start_main_~i~5 97), 205558#(<= ULTIMATE.start_main_~i~5 96), 205557#(<= ULTIMATE.start_main_~i~5 95), 205556#(<= ULTIMATE.start_main_~i~5 94), 205563#(<= ULTIMATE.start_main_~i~5 101), 205562#(<= ULTIMATE.start_main_~i~5 100), 205561#(<= ULTIMATE.start_main_~i~5 99), 205560#(<= ULTIMATE.start_main_~i~5 98), 205567#(<= ULTIMATE.start_main_~i~5 105), 205566#(<= ULTIMATE.start_main_~i~5 104), 205565#(<= ULTIMATE.start_main_~i~5 103), 205564#(<= ULTIMATE.start_main_~i~5 102), 205571#(<= ULTIMATE.start_main_~i~5 109), 205570#(<= ULTIMATE.start_main_~i~5 108), 205569#(<= ULTIMATE.start_main_~i~5 107), 205568#(<= ULTIMATE.start_main_~i~5 106), 205575#(<= ULTIMATE.start_main_~i~5 113), 205574#(<= ULTIMATE.start_main_~i~5 112), 205573#(<= ULTIMATE.start_main_~i~5 111), 205572#(<= ULTIMATE.start_main_~i~5 110), 205579#(<= ULTIMATE.start_main_~i~5 117), 205578#(<= ULTIMATE.start_main_~i~5 116), 205577#(<= ULTIMATE.start_main_~i~5 115), 205576#(<= ULTIMATE.start_main_~i~5 114), 205583#(<= ULTIMATE.start_main_~i~5 121), 205582#(<= ULTIMATE.start_main_~i~5 120), 205581#(<= ULTIMATE.start_main_~i~5 119), 205580#(<= ULTIMATE.start_main_~i~5 118), 205587#(<= ULTIMATE.start_main_~i~5 125), 205586#(<= ULTIMATE.start_main_~i~5 124), 205585#(<= ULTIMATE.start_main_~i~5 123), 205584#(<= ULTIMATE.start_main_~i~5 122), 205591#(<= ULTIMATE.start_main_~i~5 129), 205590#(<= ULTIMATE.start_main_~i~5 128), 205589#(<= ULTIMATE.start_main_~i~5 127), 205588#(<= ULTIMATE.start_main_~i~5 126), 205595#(<= ULTIMATE.start_main_~i~5 133), 205594#(<= ULTIMATE.start_main_~i~5 132), 205593#(<= ULTIMATE.start_main_~i~5 131), 205592#(<= ULTIMATE.start_main_~i~5 130), 205599#(<= ULTIMATE.start_main_~i~5 137), 205598#(<= ULTIMATE.start_main_~i~5 136), 205597#(<= ULTIMATE.start_main_~i~5 135), 205596#(<= ULTIMATE.start_main_~i~5 134), 205603#(<= ULTIMATE.start_main_~i~5 141), 205602#(<= ULTIMATE.start_main_~i~5 140), 205601#(<= ULTIMATE.start_main_~i~5 139), 205600#(<= ULTIMATE.start_main_~i~5 138), 205607#(<= ULTIMATE.start_main_~i~5 145), 205606#(<= ULTIMATE.start_main_~i~5 144), 205605#(<= ULTIMATE.start_main_~i~5 143), 205604#(<= ULTIMATE.start_main_~i~5 142), 205611#(<= ULTIMATE.start_main_~i~5 149), 205610#(<= ULTIMATE.start_main_~i~5 148), 205609#(<= ULTIMATE.start_main_~i~5 147), 205608#(<= ULTIMATE.start_main_~i~5 146), 205615#(<= ULTIMATE.start_main_~i~5 153), 205614#(<= ULTIMATE.start_main_~i~5 152), 205613#(<= ULTIMATE.start_main_~i~5 151), 205612#(<= ULTIMATE.start_main_~i~5 150), 205619#(<= ULTIMATE.start_main_~i~5 157), 205618#(<= ULTIMATE.start_main_~i~5 156), 205617#(<= ULTIMATE.start_main_~i~5 155), 205616#(<= ULTIMATE.start_main_~i~5 154), 205623#(<= ULTIMATE.start_main_~i~5 161), 205622#(<= ULTIMATE.start_main_~i~5 160), 205621#(<= ULTIMATE.start_main_~i~5 159), 205620#(<= ULTIMATE.start_main_~i~5 158), 205627#(<= ULTIMATE.start_main_~i~5 165), 205626#(<= ULTIMATE.start_main_~i~5 164), 205625#(<= ULTIMATE.start_main_~i~5 163), 205624#(<= ULTIMATE.start_main_~i~5 162), 205631#(<= ULTIMATE.start_main_~i~5 169), 205630#(<= ULTIMATE.start_main_~i~5 168), 205629#(<= ULTIMATE.start_main_~i~5 167), 205628#(<= ULTIMATE.start_main_~i~5 166), 205635#(<= ULTIMATE.start_main_~i~5 173), 205634#(<= ULTIMATE.start_main_~i~5 172), 205633#(<= ULTIMATE.start_main_~i~5 171), 205632#(<= ULTIMATE.start_main_~i~5 170), 205639#(<= ULTIMATE.start_main_~i~5 177), 205638#(<= ULTIMATE.start_main_~i~5 176), 205637#(<= ULTIMATE.start_main_~i~5 175), 205636#(<= ULTIMATE.start_main_~i~5 174), 205643#(<= ULTIMATE.start_main_~i~5 181), 205642#(<= ULTIMATE.start_main_~i~5 180), 205641#(<= ULTIMATE.start_main_~i~5 179), 205640#(<= ULTIMATE.start_main_~i~5 178), 205647#(<= ULTIMATE.start_main_~i~5 185), 205646#(<= ULTIMATE.start_main_~i~5 184), 205645#(<= ULTIMATE.start_main_~i~5 183), 205644#(<= ULTIMATE.start_main_~i~5 182), 205651#(<= ULTIMATE.start_main_~i~5 189), 205650#(<= ULTIMATE.start_main_~i~5 188), 205649#(<= ULTIMATE.start_main_~i~5 187), 205648#(<= ULTIMATE.start_main_~i~5 186), 205655#(<= ULTIMATE.start_main_~i~5 193), 205654#(<= ULTIMATE.start_main_~i~5 192), 205653#(<= ULTIMATE.start_main_~i~5 191), 205652#(<= ULTIMATE.start_main_~i~5 190), 205659#(<= ULTIMATE.start_main_~i~5 197), 205658#(<= ULTIMATE.start_main_~i~5 196), 205657#(<= ULTIMATE.start_main_~i~5 195), 205656#(<= ULTIMATE.start_main_~i~5 194), 205663#(<= ULTIMATE.start_main_~i~5 201), 205662#(<= ULTIMATE.start_main_~i~5 200), 205661#(<= ULTIMATE.start_main_~i~5 199), 205660#(<= ULTIMATE.start_main_~i~5 198), 205667#(<= ULTIMATE.start_main_~i~5 205), 205666#(<= ULTIMATE.start_main_~i~5 204), 205665#(<= ULTIMATE.start_main_~i~5 203), 205664#(<= ULTIMATE.start_main_~i~5 202), 205671#(<= ULTIMATE.start_main_~i~5 209), 205670#(<= ULTIMATE.start_main_~i~5 208), 205669#(<= ULTIMATE.start_main_~i~5 207), 205668#(<= ULTIMATE.start_main_~i~5 206)] [2018-07-23 13:45:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 43890 backedges. 0 proven. 43890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,819 INFO L450 AbstractCegarLoop]: Interpolant automaton has 212 states [2018-07-23 13:45:00,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2018-07-23 13:45:00,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:45:00,824 INFO L87 Difference]: Start difference. First operand 425 states and 426 transitions. Second operand 212 states. [2018-07-23 13:45:02,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:02,195 INFO L93 Difference]: Finished difference Result 431 states and 433 transitions. [2018-07-23 13:45:02,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2018-07-23 13:45:02,195 INFO L78 Accepts]: Start accepts. Automaton has 212 states. Word has length 424 [2018-07-23 13:45:02,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:02,196 INFO L225 Difference]: With dead ends: 431 [2018-07-23 13:45:02,196 INFO L226 Difference]: Without dead ends: 427 [2018-07-23 13:45:02,198 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:45:02,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-07-23 13:45:02,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2018-07-23 13:45:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-07-23 13:45:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 428 transitions. [2018-07-23 13:45:02,202 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 428 transitions. Word has length 424 [2018-07-23 13:45:02,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:02,203 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 428 transitions. [2018-07-23 13:45:02,203 INFO L472 AbstractCegarLoop]: Interpolant automaton has 212 states. [2018-07-23 13:45:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 428 transitions. [2018-07-23 13:45:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2018-07-23 13:45:02,204 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:02,204 INFO L357 BasicCegarLoop]: trace histogram [211, 210, 1, 1, 1, 1, 1] [2018-07-23 13:45:02,204 INFO L414 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:02,205 INFO L82 PathProgramCache]: Analyzing trace with hash 379781747, now seen corresponding path program 210 times [2018-07-23 13:45:02,205 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 44310 backedges. 0 proven. 44310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,359 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:04,359 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [212] total 212 [2018-07-23 13:45:04,359 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:04,360 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 13:45:04,360 INFO L185 omatonBuilderFactory]: Interpolants [207391#(<= ULTIMATE.start_main_~i~5 1), 207390#(<= ULTIMATE.start_main_~i~5 0), 207389#false, 207388#true, 207395#(<= ULTIMATE.start_main_~i~5 5), 207394#(<= ULTIMATE.start_main_~i~5 4), 207393#(<= ULTIMATE.start_main_~i~5 3), 207392#(<= ULTIMATE.start_main_~i~5 2), 207399#(<= ULTIMATE.start_main_~i~5 9), 207398#(<= ULTIMATE.start_main_~i~5 8), 207397#(<= ULTIMATE.start_main_~i~5 7), 207396#(<= ULTIMATE.start_main_~i~5 6), 207403#(<= ULTIMATE.start_main_~i~5 13), 207402#(<= ULTIMATE.start_main_~i~5 12), 207401#(<= ULTIMATE.start_main_~i~5 11), 207400#(<= ULTIMATE.start_main_~i~5 10), 207407#(<= ULTIMATE.start_main_~i~5 17), 207406#(<= ULTIMATE.start_main_~i~5 16), 207405#(<= ULTIMATE.start_main_~i~5 15), 207404#(<= ULTIMATE.start_main_~i~5 14), 207411#(<= ULTIMATE.start_main_~i~5 21), 207410#(<= ULTIMATE.start_main_~i~5 20), 207409#(<= ULTIMATE.start_main_~i~5 19), 207408#(<= ULTIMATE.start_main_~i~5 18), 207415#(<= ULTIMATE.start_main_~i~5 25), 207414#(<= ULTIMATE.start_main_~i~5 24), 207413#(<= ULTIMATE.start_main_~i~5 23), 207412#(<= ULTIMATE.start_main_~i~5 22), 207419#(<= ULTIMATE.start_main_~i~5 29), 207418#(<= ULTIMATE.start_main_~i~5 28), 207417#(<= ULTIMATE.start_main_~i~5 27), 207416#(<= ULTIMATE.start_main_~i~5 26), 207423#(<= ULTIMATE.start_main_~i~5 33), 207422#(<= ULTIMATE.start_main_~i~5 32), 207421#(<= ULTIMATE.start_main_~i~5 31), 207420#(<= ULTIMATE.start_main_~i~5 30), 207427#(<= ULTIMATE.start_main_~i~5 37), 207426#(<= ULTIMATE.start_main_~i~5 36), 207425#(<= ULTIMATE.start_main_~i~5 35), 207424#(<= ULTIMATE.start_main_~i~5 34), 207431#(<= ULTIMATE.start_main_~i~5 41), 207430#(<= ULTIMATE.start_main_~i~5 40), 207429#(<= ULTIMATE.start_main_~i~5 39), 207428#(<= ULTIMATE.start_main_~i~5 38), 207435#(<= ULTIMATE.start_main_~i~5 45), 207434#(<= ULTIMATE.start_main_~i~5 44), 207433#(<= ULTIMATE.start_main_~i~5 43), 207432#(<= ULTIMATE.start_main_~i~5 42), 207439#(<= ULTIMATE.start_main_~i~5 49), 207438#(<= ULTIMATE.start_main_~i~5 48), 207437#(<= ULTIMATE.start_main_~i~5 47), 207436#(<= ULTIMATE.start_main_~i~5 46), 207443#(<= ULTIMATE.start_main_~i~5 53), 207442#(<= ULTIMATE.start_main_~i~5 52), 207441#(<= ULTIMATE.start_main_~i~5 51), 207440#(<= ULTIMATE.start_main_~i~5 50), 207447#(<= ULTIMATE.start_main_~i~5 57), 207446#(<= ULTIMATE.start_main_~i~5 56), 207445#(<= ULTIMATE.start_main_~i~5 55), 207444#(<= ULTIMATE.start_main_~i~5 54), 207451#(<= ULTIMATE.start_main_~i~5 61), 207450#(<= ULTIMATE.start_main_~i~5 60), 207449#(<= ULTIMATE.start_main_~i~5 59), 207448#(<= ULTIMATE.start_main_~i~5 58), 207455#(<= ULTIMATE.start_main_~i~5 65), 207454#(<= ULTIMATE.start_main_~i~5 64), 207453#(<= ULTIMATE.start_main_~i~5 63), 207452#(<= ULTIMATE.start_main_~i~5 62), 207459#(<= ULTIMATE.start_main_~i~5 69), 207458#(<= ULTIMATE.start_main_~i~5 68), 207457#(<= ULTIMATE.start_main_~i~5 67), 207456#(<= ULTIMATE.start_main_~i~5 66), 207463#(<= ULTIMATE.start_main_~i~5 73), 207462#(<= ULTIMATE.start_main_~i~5 72), 207461#(<= ULTIMATE.start_main_~i~5 71), 207460#(<= ULTIMATE.start_main_~i~5 70), 207467#(<= ULTIMATE.start_main_~i~5 77), 207466#(<= ULTIMATE.start_main_~i~5 76), 207465#(<= ULTIMATE.start_main_~i~5 75), 207464#(<= ULTIMATE.start_main_~i~5 74), 207471#(<= ULTIMATE.start_main_~i~5 81), 207470#(<= ULTIMATE.start_main_~i~5 80), 207469#(<= ULTIMATE.start_main_~i~5 79), 207468#(<= ULTIMATE.start_main_~i~5 78), 207475#(<= ULTIMATE.start_main_~i~5 85), 207474#(<= ULTIMATE.start_main_~i~5 84), 207473#(<= ULTIMATE.start_main_~i~5 83), 207472#(<= ULTIMATE.start_main_~i~5 82), 207479#(<= ULTIMATE.start_main_~i~5 89), 207478#(<= ULTIMATE.start_main_~i~5 88), 207477#(<= ULTIMATE.start_main_~i~5 87), 207476#(<= ULTIMATE.start_main_~i~5 86), 207483#(<= ULTIMATE.start_main_~i~5 93), 207482#(<= ULTIMATE.start_main_~i~5 92), 207481#(<= ULTIMATE.start_main_~i~5 91), 207480#(<= ULTIMATE.start_main_~i~5 90), 207487#(<= ULTIMATE.start_main_~i~5 97), 207486#(<= ULTIMATE.start_main_~i~5 96), 207485#(<= ULTIMATE.start_main_~i~5 95), 207484#(<= ULTIMATE.start_main_~i~5 94), 207491#(<= ULTIMATE.start_main_~i~5 101), 207490#(<= ULTIMATE.start_main_~i~5 100), 207489#(<= ULTIMATE.start_main_~i~5 99), 207488#(<= ULTIMATE.start_main_~i~5 98), 207495#(<= ULTIMATE.start_main_~i~5 105), 207494#(<= ULTIMATE.start_main_~i~5 104), 207493#(<= ULTIMATE.start_main_~i~5 103), 207492#(<= ULTIMATE.start_main_~i~5 102), 207499#(<= ULTIMATE.start_main_~i~5 109), 207498#(<= ULTIMATE.start_main_~i~5 108), 207497#(<= ULTIMATE.start_main_~i~5 107), 207496#(<= ULTIMATE.start_main_~i~5 106), 207503#(<= ULTIMATE.start_main_~i~5 113), 207502#(<= ULTIMATE.start_main_~i~5 112), 207501#(<= ULTIMATE.start_main_~i~5 111), 207500#(<= ULTIMATE.start_main_~i~5 110), 207507#(<= ULTIMATE.start_main_~i~5 117), 207506#(<= ULTIMATE.start_main_~i~5 116), 207505#(<= ULTIMATE.start_main_~i~5 115), 207504#(<= ULTIMATE.start_main_~i~5 114), 207511#(<= ULTIMATE.start_main_~i~5 121), 207510#(<= ULTIMATE.start_main_~i~5 120), 207509#(<= ULTIMATE.start_main_~i~5 119), 207508#(<= ULTIMATE.start_main_~i~5 118), 207515#(<= ULTIMATE.start_main_~i~5 125), 207514#(<= ULTIMATE.start_main_~i~5 124), 207513#(<= ULTIMATE.start_main_~i~5 123), 207512#(<= ULTIMATE.start_main_~i~5 122), 207519#(<= ULTIMATE.start_main_~i~5 129), 207518#(<= ULTIMATE.start_main_~i~5 128), 207517#(<= ULTIMATE.start_main_~i~5 127), 207516#(<= ULTIMATE.start_main_~i~5 126), 207523#(<= ULTIMATE.start_main_~i~5 133), 207522#(<= ULTIMATE.start_main_~i~5 132), 207521#(<= ULTIMATE.start_main_~i~5 131), 207520#(<= ULTIMATE.start_main_~i~5 130), 207527#(<= ULTIMATE.start_main_~i~5 137), 207526#(<= ULTIMATE.start_main_~i~5 136), 207525#(<= ULTIMATE.start_main_~i~5 135), 207524#(<= ULTIMATE.start_main_~i~5 134), 207531#(<= ULTIMATE.start_main_~i~5 141), 207530#(<= ULTIMATE.start_main_~i~5 140), 207529#(<= ULTIMATE.start_main_~i~5 139), 207528#(<= ULTIMATE.start_main_~i~5 138), 207535#(<= ULTIMATE.start_main_~i~5 145), 207534#(<= ULTIMATE.start_main_~i~5 144), 207533#(<= ULTIMATE.start_main_~i~5 143), 207532#(<= ULTIMATE.start_main_~i~5 142), 207539#(<= ULTIMATE.start_main_~i~5 149), 207538#(<= ULTIMATE.start_main_~i~5 148), 207537#(<= ULTIMATE.start_main_~i~5 147), 207536#(<= ULTIMATE.start_main_~i~5 146), 207543#(<= ULTIMATE.start_main_~i~5 153), 207542#(<= ULTIMATE.start_main_~i~5 152), 207541#(<= ULTIMATE.start_main_~i~5 151), 207540#(<= ULTIMATE.start_main_~i~5 150), 207547#(<= ULTIMATE.start_main_~i~5 157), 207546#(<= ULTIMATE.start_main_~i~5 156), 207545#(<= ULTIMATE.start_main_~i~5 155), 207544#(<= ULTIMATE.start_main_~i~5 154), 207551#(<= ULTIMATE.start_main_~i~5 161), 207550#(<= ULTIMATE.start_main_~i~5 160), 207549#(<= ULTIMATE.start_main_~i~5 159), 207548#(<= ULTIMATE.start_main_~i~5 158), 207555#(<= ULTIMATE.start_main_~i~5 165), 207554#(<= ULTIMATE.start_main_~i~5 164), 207553#(<= ULTIMATE.start_main_~i~5 163), 207552#(<= ULTIMATE.start_main_~i~5 162), 207559#(<= ULTIMATE.start_main_~i~5 169), 207558#(<= ULTIMATE.start_main_~i~5 168), 207557#(<= ULTIMATE.start_main_~i~5 167), 207556#(<= ULTIMATE.start_main_~i~5 166), 207563#(<= ULTIMATE.start_main_~i~5 173), 207562#(<= ULTIMATE.start_main_~i~5 172), 207561#(<= ULTIMATE.start_main_~i~5 171), 207560#(<= ULTIMATE.start_main_~i~5 170), 207567#(<= ULTIMATE.start_main_~i~5 177), 207566#(<= ULTIMATE.start_main_~i~5 176), 207565#(<= ULTIMATE.start_main_~i~5 175), 207564#(<= ULTIMATE.start_main_~i~5 174), 207571#(<= ULTIMATE.start_main_~i~5 181), 207570#(<= ULTIMATE.start_main_~i~5 180), 207569#(<= ULTIMATE.start_main_~i~5 179), 207568#(<= ULTIMATE.start_main_~i~5 178), 207575#(<= ULTIMATE.start_main_~i~5 185), 207574#(<= ULTIMATE.start_main_~i~5 184), 207573#(<= ULTIMATE.start_main_~i~5 183), 207572#(<= ULTIMATE.start_main_~i~5 182), 207579#(<= ULTIMATE.start_main_~i~5 189), 207578#(<= ULTIMATE.start_main_~i~5 188), 207577#(<= ULTIMATE.start_main_~i~5 187), 207576#(<= ULTIMATE.start_main_~i~5 186), 207583#(<= ULTIMATE.start_main_~i~5 193), 207582#(<= ULTIMATE.start_main_~i~5 192), 207581#(<= ULTIMATE.start_main_~i~5 191), 207580#(<= ULTIMATE.start_main_~i~5 190), 207587#(<= ULTIMATE.start_main_~i~5 197), 207586#(<= ULTIMATE.start_main_~i~5 196), 207585#(<= ULTIMATE.start_main_~i~5 195), 207584#(<= ULTIMATE.start_main_~i~5 194), 207591#(<= ULTIMATE.start_main_~i~5 201), 207590#(<= ULTIMATE.start_main_~i~5 200), 207589#(<= ULTIMATE.start_main_~i~5 199), 207588#(<= ULTIMATE.start_main_~i~5 198), 207595#(<= ULTIMATE.start_main_~i~5 205), 207594#(<= ULTIMATE.start_main_~i~5 204), 207593#(<= ULTIMATE.start_main_~i~5 203), 207592#(<= ULTIMATE.start_main_~i~5 202), 207599#(<= ULTIMATE.start_main_~i~5 209), 207598#(<= ULTIMATE.start_main_~i~5 208), 207597#(<= ULTIMATE.start_main_~i~5 207), 207596#(<= ULTIMATE.start_main_~i~5 206), 207600#(<= ULTIMATE.start_main_~i~5 210)] [2018-07-23 13:45:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 44310 backedges. 0 proven. 44310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,362 INFO L450 AbstractCegarLoop]: Interpolant automaton has 213 states [2018-07-23 13:45:04,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2018-07-23 13:45:04,368 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:45:04,368 INFO L87 Difference]: Start difference. First operand 427 states and 428 transitions. Second operand 213 states. Received shutdown request... [2018-07-23 13:45:05,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:45:05,644 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:45:05,649 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:45:05,650 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:45:05 BoogieIcfgContainer [2018-07-23 13:45:05,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:45:05,651 INFO L168 Benchmark]: Toolchain (without parser) took 256765.06 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 2.1 GB in the end (delta: -680.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-07-23 13:45:05,652 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 13:45:05,653 INFO L168 Benchmark]: Boogie Preprocessor took 47.68 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 13:45:05,653 INFO L168 Benchmark]: RCFGBuilder took 307.68 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 13:45:05,653 INFO L168 Benchmark]: TraceAbstraction took 256405.87 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 2.1 GB in the end (delta: -691.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-07-23 13:45:05,655 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 47.68 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 307.68 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 256405.87 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 2.1 GB in the end (delta: -691.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 83). Cancelled while BasicCegarLoop was constructing difference of abstraction (427states) and interpolant automaton (currently 163 states, 213 states before enhancement), while ReachableStatesComputation was computing reachable states (321 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. TIMEOUT Result, 256.3s OverallTime, 211 OverallIterations, 211 TraceHistogramMax, 107.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1472 SDtfs, 0 SDslu, 54723 SDs, 0 SdLazy, 44131 SolverSat, 414 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22577 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 22366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 81.5s Time, 0.4s BasicInterpolantAutomatonTime, BiggestAbstraction: size=427occurred in iteration=210, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/3131240 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 210 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 41.1s SatisfiabilityAnalysisTime, 95.7s InterpolantComputationTime, 45576 NumberOfCodeBlocks, 45576 NumberOfCodeBlocksAsserted, 211 NumberOfCheckSat, 45365 ConstructedInterpolants, 0 QuantifiedInterpolants, 38381955 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 211 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3131240 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/fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-45-05-668.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/fragtest_simple.i_4.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-45-05-668.csv Completed graceful shutdown