/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 08:15:03,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 08:15:03,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 08:15:03,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 08:15:03,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 08:15:03,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 08:15:03,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 08:15:03,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 08:15:03,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 08:15:03,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 08:15:03,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 08:15:03,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 08:15:03,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 08:15:03,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 08:15:03,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 08:15:03,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 08:15:03,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 08:15:03,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 08:15:03,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 08:15:03,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 08:15:03,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 08:15:03,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 08:15:03,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 08:15:03,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 08:15:03,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 08:15:03,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 08:15:03,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 08:15:03,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 08:15:03,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 08:15:03,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 08:15:03,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 08:15:03,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 08:15:03,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 08:15:03,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 08:15:03,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 08:15:03,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 08:15:03,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 08:15:03,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 08:15:03,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 08:15:03,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 08:15:03,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 08:15:03,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 08:15:03,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 08:15:03,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 08:15:03,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 08:15:03,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 08:15:03,765 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 08:15:03,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 08:15:03,766 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 08:15:03,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 08:15:03,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 08:15:03,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 08:15:03,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 08:15:03,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 08:15:03,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 08:15:03,769 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 08:15:03,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 08:15:03,769 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 08:15:03,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 08:15:03,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 08:15:03,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 08:15:03,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 08:15:03,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 08:15:03,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 08:15:03,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 08:15:03,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 08:15:03,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 08:15:03,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 08:15:03,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 08:15:03,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 08:15:03,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 08:15:03,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 08:15:04,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 08:15:04,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 08:15:04,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 08:15:04,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 08:15:04,128 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 08:15:04,129 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2020-10-14 08:15:04,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5747d623f/e6349ca407804bbfa289a9ec96847894/FLAGc28cf6c79 [2020-10-14 08:15:04,712 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 08:15:04,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2020-10-14 08:15:04,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5747d623f/e6349ca407804bbfa289a9ec96847894/FLAGc28cf6c79 [2020-10-14 08:15:05,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5747d623f/e6349ca407804bbfa289a9ec96847894 [2020-10-14 08:15:05,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 08:15:05,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 08:15:05,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 08:15:05,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 08:15:05,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 08:15:05,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:15:05" (1/1) ... [2020-10-14 08:15:05,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b44b751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05, skipping insertion in model container [2020-10-14 08:15:05,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:15:05" (1/1) ... [2020-10-14 08:15:05,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 08:15:05,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 08:15:05,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 08:15:05,481 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 08:15:05,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 08:15:05,584 INFO L208 MainTranslator]: Completed translation [2020-10-14 08:15:05,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05 WrapperNode [2020-10-14 08:15:05,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 08:15:05,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 08:15:05,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 08:15:05,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 08:15:05,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05" (1/1) ... [2020-10-14 08:15:05,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05" (1/1) ... [2020-10-14 08:15:05,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05" (1/1) ... [2020-10-14 08:15:05,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05" (1/1) ... [2020-10-14 08:15:05,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05" (1/1) ... [2020-10-14 08:15:05,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05" (1/1) ... [2020-10-14 08:15:05,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05" (1/1) ... [2020-10-14 08:15:05,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 08:15:05,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 08:15:05,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 08:15:05,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 08:15:05,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 08:15:05,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 08:15:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 08:15:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 08:15:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-10-14 08:15:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-10-14 08:15:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-10-14 08:15:05,738 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-10-14 08:15:05,738 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-10-14 08:15:05,739 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-10-14 08:15:05,739 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-10-14 08:15:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-10-14 08:15:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-14 08:15:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-10-14 08:15:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-10-14 08:15:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-10-14 08:15:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-10-14 08:15:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-10-14 08:15:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-14 08:15:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 08:15:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-14 08:15:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 08:15:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 08:15:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 08:15:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-14 08:15:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-14 08:15:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-14 08:15:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 08:15:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 08:15:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-10-14 08:15:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-10-14 08:15:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-10-14 08:15:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-10-14 08:15:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-10-14 08:15:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-10-14 08:15:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-10-14 08:15:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-10-14 08:15:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-14 08:15:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-10-14 08:15:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-10-14 08:15:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-10-14 08:15:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-10-14 08:15:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-10-14 08:15:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-14 08:15:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 08:15:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 08:15:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 08:15:06,607 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 08:15:06,607 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 08:15:06,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:15:06 BoogieIcfgContainer [2020-10-14 08:15:06,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 08:15:06,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 08:15:06,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 08:15:06,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 08:15:06,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:15:05" (1/3) ... [2020-10-14 08:15:06,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da345df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:15:06, skipping insertion in model container [2020-10-14 08:15:06,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:15:05" (2/3) ... [2020-10-14 08:15:06,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da345df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:15:06, skipping insertion in model container [2020-10-14 08:15:06,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:15:06" (3/3) ... [2020-10-14 08:15:06,624 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2020-10-14 08:15:06,635 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 08:15:06,643 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 08:15:06,657 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 08:15:06,680 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 08:15:06,681 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 08:15:06,681 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 08:15:06,681 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 08:15:06,681 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 08:15:06,681 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 08:15:06,682 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 08:15:06,682 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 08:15:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states. [2020-10-14 08:15:06,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 08:15:06,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:15:06,718 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:15:06,719 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:15:06,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:15:06,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1541207534, now seen corresponding path program 1 times [2020-10-14 08:15:06,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:15:06,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064858994] [2020-10-14 08:15:06,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:15:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:07,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:07,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:07,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:07,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:07,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:07,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:07,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:08,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:08,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:08,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 08:15:08,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 08:15:08,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1877 [2020-10-14 08:15:08,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:08,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:08,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:08,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 08:15:08,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:08,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 08:15:09,093 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:15:09,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:15:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:09,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:09,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:09,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:09,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:15:09,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:09,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:09,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:09,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:15:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:09,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:09,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:09,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:09,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:09,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:09,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:09,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:09,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:09,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:15:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:09,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:09,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:09,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:15:09,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:09,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:09,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:09,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:09,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:09,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:09,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:09,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:15:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:09,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:09,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:15:09,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:09,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:15:09,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:09,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:09,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:09,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:09,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:09,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:09,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:09,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:09,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:09,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:09,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:09,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:09,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:09,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:09,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:15:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:09,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:09,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:09,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:15:09,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 08:15:09,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:09,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:09,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:09,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 08:15:09,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:09,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:09,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:09,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:09,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:09,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:09,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:15:09,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:09,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:09,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:09,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:09,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:09,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:09,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:15:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:09,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:09,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:09,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:15:09,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 08:15:09,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:09,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:09,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:09,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 08:15:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:09,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:09,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:09,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:09,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:09,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:09,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:15:09,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:09,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:09,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:09,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:09,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:09,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:15:09,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064858994] [2020-10-14 08:15:09,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:15:09,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 08:15:09,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584795580] [2020-10-14 08:15:09,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 08:15:09,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:15:09,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 08:15:09,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-14 08:15:09,511 INFO L87 Difference]: Start difference. First operand 243 states. Second operand 9 states. [2020-10-14 08:15:11,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:15:11,228 INFO L93 Difference]: Finished difference Result 463 states and 711 transitions. [2020-10-14 08:15:11,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 08:15:11,230 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-14 08:15:11,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:15:11,246 INFO L225 Difference]: With dead ends: 463 [2020-10-14 08:15:11,247 INFO L226 Difference]: Without dead ends: 238 [2020-10-14 08:15:11,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:15:11,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-14 08:15:11,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-10-14 08:15:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-10-14 08:15:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 343 transitions. [2020-10-14 08:15:11,359 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 343 transitions. Word has length 71 [2020-10-14 08:15:11,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:15:11,360 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 343 transitions. [2020-10-14 08:15:11,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 08:15:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 343 transitions. [2020-10-14 08:15:11,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 08:15:11,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:15:11,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:15:11,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 08:15:11,365 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:15:11,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:15:11,366 INFO L82 PathProgramCache]: Analyzing trace with hash -508602450, now seen corresponding path program 1 times [2020-10-14 08:15:11,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:15:11,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468280655] [2020-10-14 08:15:11,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:15:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:11,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:11,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:12,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:15,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:15,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 08:15:15,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:15:15,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3801 [2020-10-14 08:15:15,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:15,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:15:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 08:15:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:15:15,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:15,389 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:15:15,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:15:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:15,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:15,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:15,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:15,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:15:15,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:15,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:15,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:15,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:15:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:15,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:15,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:15,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:15,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:15,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:15,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:15,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:15,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:15:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:15,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:15,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:15,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:15,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:15,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:15,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:15,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:15:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:15,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:15,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:15,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:15:15,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:15,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:15:15,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:15,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:15,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:15,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:15,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:15,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:15,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:15,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:15,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:15,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:15,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:15,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:15:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:15,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:15,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:15,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:15,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:15,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:15:15,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:15,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:15,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:15,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:15,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:15,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:15,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:15,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:15,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:15,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:15,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:15,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:15,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:15:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:15,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:15,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:15,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:15,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:15,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:15:15,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:15,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:15,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:15,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:15,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:15,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:15,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:15,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:15,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:15,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:15,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:15,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:15,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:15,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:15,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:15,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:15:15,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468280655] [2020-10-14 08:15:15,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:15:15,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 08:15:15,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256788964] [2020-10-14 08:15:15,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 08:15:15,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:15:15,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 08:15:15,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-14 08:15:15,650 INFO L87 Difference]: Start difference. First operand 238 states and 343 transitions. Second operand 11 states. [2020-10-14 08:15:17,042 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:15:17,221 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-14 08:15:18,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:15:18,442 INFO L93 Difference]: Finished difference Result 456 states and 659 transitions. [2020-10-14 08:15:18,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 08:15:18,443 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-10-14 08:15:18,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:15:18,450 INFO L225 Difference]: With dead ends: 456 [2020-10-14 08:15:18,450 INFO L226 Difference]: Without dead ends: 242 [2020-10-14 08:15:18,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:15:18,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-14 08:15:18,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-14 08:15:18,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-14 08:15:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 346 transitions. [2020-10-14 08:15:18,532 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 346 transitions. Word has length 71 [2020-10-14 08:15:18,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:15:18,533 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 346 transitions. [2020-10-14 08:15:18,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 08:15:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 346 transitions. [2020-10-14 08:15:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 08:15:18,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:15:18,544 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:15:18,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 08:15:18,544 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:15:18,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:15:18,545 INFO L82 PathProgramCache]: Analyzing trace with hash 317028165, now seen corresponding path program 1 times [2020-10-14 08:15:18,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:15:18,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825128019] [2020-10-14 08:15:18,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:15:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:18,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:18,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:18,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:19,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:23,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:23,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 08:15:23,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:15:23,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 08:15:23,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:23,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 08:15:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 08:15:23,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:23,750 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:15:23,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:15:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:23,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:23,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:23,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:23,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:23,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 08:15:23,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:23,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:23,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:15:23,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:15:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:23,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:23,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:23,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:23,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:23,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:23,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:23,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:23,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:23,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:15:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:23,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:23,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:23,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:23,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:23,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:23,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:23,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:23,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:23,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:15:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:23,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:23,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:23,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:15:23,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:23,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:15:23,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:23,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:23,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:23,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:23,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:23,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:23,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:23,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:23,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:23,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:23,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:23,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:23,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:23,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:15:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:23,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:23,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:23,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:23,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:23,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 08:15:23,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:23,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:23,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:23,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:15:23,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:23,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:23,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:23,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:23,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:23,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:23,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:23,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:23,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:23,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:15:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:23,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:23,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:24,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:24,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:24,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 08:15:24,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:24,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:24,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:24,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:24,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:15:24,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:24,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:24,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:24,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:24,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:24,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:24,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:24,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:24,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:24,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:24,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:24,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:24,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:15:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:24,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:24,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:24,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:15:24,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:24,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:15:24,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:24,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:24,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:24,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:24,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:15:24,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:24,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:24,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:24,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:24,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:24,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:24,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:24,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:24,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:24,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:24,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:24,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:15:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:24,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:24,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:24,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:24,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:24,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:15:24,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:24,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:24,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:24,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:15:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:24,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:24,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:24,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:24,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:24,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:15:24,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:24,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:24,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:15:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:24,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:15:24,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825128019] [2020-10-14 08:15:24,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:15:24,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:15:24,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184819630] [2020-10-14 08:15:24,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:15:24,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:15:24,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:15:24,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:15:24,155 INFO L87 Difference]: Start difference. First operand 242 states and 346 transitions. Second operand 12 states. [2020-10-14 08:15:24,920 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-14 08:15:27,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:15:27,808 INFO L93 Difference]: Finished difference Result 652 states and 930 transitions. [2020-10-14 08:15:27,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 08:15:27,809 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-10-14 08:15:27,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:15:27,819 INFO L225 Difference]: With dead ends: 652 [2020-10-14 08:15:27,819 INFO L226 Difference]: Without dead ends: 434 [2020-10-14 08:15:27,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-10-14 08:15:27,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-14 08:15:27,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 416. [2020-10-14 08:15:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-14 08:15:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 598 transitions. [2020-10-14 08:15:27,902 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 598 transitions. Word has length 93 [2020-10-14 08:15:27,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:15:27,903 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 598 transitions. [2020-10-14 08:15:27,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:15:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 598 transitions. [2020-10-14 08:15:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 08:15:27,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:15:27,905 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:15:27,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 08:15:27,906 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:15:27,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:15:27,906 INFO L82 PathProgramCache]: Analyzing trace with hash -617984289, now seen corresponding path program 1 times [2020-10-14 08:15:27,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:15:27,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138454105] [2020-10-14 08:15:27,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:15:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:27,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:27,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:28,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:29,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:29,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:29,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:29,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:30,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:32,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:32,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 08:15:32,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 08:15:32,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 08:15:32,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:32,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 08:15:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 08:15:32,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:33,111 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:15:33,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:15:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:33,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:15:33,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:33,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:33,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:15:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:33,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:33,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:33,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:33,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:15:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:33,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:33,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:33,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:33,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:15:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:15:33,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:15:33,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:33,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:33,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:33,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:33,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:33,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:33,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:15:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:15:33,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 08:15:33,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:15:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:33,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:33,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:33,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:33,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:33,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:33,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:15:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:33,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 08:15:33,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:15:33,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:33,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:33,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:33,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:33,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:33,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:15:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:15:33,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:15:33,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:15:33,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:33,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:33,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:33,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:33,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:33,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:15:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:33,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:33,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:33,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:15:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:33,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:33,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:33,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:33,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:33,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:33,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:33,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:33,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:15:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:33,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:15:33,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138454105] [2020-10-14 08:15:33,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:15:33,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:15:33,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869398070] [2020-10-14 08:15:33,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:15:33,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:15:33,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:15:33,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:15:33,498 INFO L87 Difference]: Start difference. First operand 416 states and 598 transitions. Second operand 12 states. [2020-10-14 08:15:33,682 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:15:37,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:15:37,215 INFO L93 Difference]: Finished difference Result 830 states and 1183 transitions. [2020-10-14 08:15:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 08:15:37,220 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-14 08:15:37,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:15:37,224 INFO L225 Difference]: With dead ends: 830 [2020-10-14 08:15:37,224 INFO L226 Difference]: Without dead ends: 438 [2020-10-14 08:15:37,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-10-14 08:15:37,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-14 08:15:37,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 420. [2020-10-14 08:15:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-14 08:15:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 599 transitions. [2020-10-14 08:15:37,287 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 599 transitions. Word has length 95 [2020-10-14 08:15:37,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:15:37,288 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 599 transitions. [2020-10-14 08:15:37,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:15:37,288 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 599 transitions. [2020-10-14 08:15:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 08:15:37,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:15:37,290 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:15:37,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 08:15:37,291 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:15:37,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:15:37,291 INFO L82 PathProgramCache]: Analyzing trace with hash 842202600, now seen corresponding path program 1 times [2020-10-14 08:15:37,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:15:37,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915910108] [2020-10-14 08:15:37,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:15:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:37,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:37,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:37,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:38,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 08:15:42,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:15:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 08:15:42,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 08:15:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 08:15:42,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:42,478 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:15:42,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:15:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:42,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:15:42,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:42,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:15:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:42,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:42,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:42,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:15:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:42,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:42,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:42,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:15:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:15:42,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:15:42,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:42,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:42,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:42,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:42,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:15:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:42,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:15:42,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:42,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:42,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:42,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:15:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:42,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 08:15:42,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:42,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:15:42,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:42,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:42,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:42,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:15:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:15:42,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:15:42,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:15:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:42,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:42,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:42,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:42,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:15:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:42,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:42,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:42,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:15:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:42,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:42,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:42,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:42,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:42,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:42,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:42,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:15:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:42,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:42,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:15:42,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915910108] [2020-10-14 08:15:42,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:15:42,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:15:42,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97954057] [2020-10-14 08:15:42,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:15:42,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:15:42,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:15:42,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:15:42,799 INFO L87 Difference]: Start difference. First operand 420 states and 599 transitions. Second operand 12 states. [2020-10-14 08:15:43,893 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-14 08:15:46,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:15:46,339 INFO L93 Difference]: Finished difference Result 1149 states and 1646 transitions. [2020-10-14 08:15:46,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 08:15:46,340 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2020-10-14 08:15:46,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:15:46,347 INFO L225 Difference]: With dead ends: 1149 [2020-10-14 08:15:46,347 INFO L226 Difference]: Without dead ends: 757 [2020-10-14 08:15:46,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-10-14 08:15:46,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2020-10-14 08:15:46,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 751. [2020-10-14 08:15:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2020-10-14 08:15:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1076 transitions. [2020-10-14 08:15:46,449 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1076 transitions. Word has length 94 [2020-10-14 08:15:46,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:15:46,450 INFO L479 AbstractCegarLoop]: Abstraction has 751 states and 1076 transitions. [2020-10-14 08:15:46,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:15:46,450 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1076 transitions. [2020-10-14 08:15:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 08:15:46,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:15:46,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:15:46,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 08:15:46,452 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:15:46,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:15:46,453 INFO L82 PathProgramCache]: Analyzing trace with hash -437661078, now seen corresponding path program 1 times [2020-10-14 08:15:46,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:15:46,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114384082] [2020-10-14 08:15:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:15:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:46,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:46,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:46,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:47,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 08:15:51,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:15:51,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 08:15:51,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:15:51,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 08:15:51,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:15:51,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,619 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:15:51,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:15:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:51,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:15:51,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:51,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:15:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:51,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:51,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:15:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:51,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:51,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:15:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:15:51,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 08:15:51,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:15:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:15:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:15:51,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:51,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:15:51,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:15:51,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:51,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:15:51,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:15:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:51,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:15:51,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 08:15:51,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:51,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:51,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:51,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:51,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:15:51,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:15:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:15:51,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:15:51,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 08:15:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:51,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:51,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:15:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:15:51,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:15:51,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 08:15:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:15:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:51,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:51,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:15:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:15:51,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:51,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:15:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:15:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:51,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:51,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:15:51,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:15:51,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:15:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:15:51,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:15:51,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:15:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:15:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:15:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:15:51,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:15:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:15:51,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114384082] [2020-10-14 08:15:51,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:15:51,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 08:15:51,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364647881] [2020-10-14 08:15:51,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 08:15:51,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:15:51,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 08:15:51,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:15:51,986 INFO L87 Difference]: Start difference. First operand 751 states and 1076 transitions. Second operand 15 states. [2020-10-14 08:15:52,326 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-14 08:15:54,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:15:54,871 INFO L93 Difference]: Finished difference Result 1496 states and 2134 transitions. [2020-10-14 08:15:54,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 08:15:54,872 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 94 [2020-10-14 08:15:54,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:15:54,878 INFO L225 Difference]: With dead ends: 1496 [2020-10-14 08:15:54,878 INFO L226 Difference]: Without dead ends: 773 [2020-10-14 08:15:54,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-10-14 08:15:54,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-10-14 08:15:54,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2020-10-14 08:15:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2020-10-14 08:15:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1092 transitions. [2020-10-14 08:15:54,978 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1092 transitions. Word has length 94 [2020-10-14 08:15:54,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:15:54,979 INFO L479 AbstractCegarLoop]: Abstraction has 771 states and 1092 transitions. [2020-10-14 08:15:54,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 08:15:54,979 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1092 transitions. [2020-10-14 08:15:54,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 08:15:54,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:15:54,981 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:15:54,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 08:15:54,981 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:15:54,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:15:54,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1391601236, now seen corresponding path program 1 times [2020-10-14 08:15:54,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:15:54,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110543992] [2020-10-14 08:15:54,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:15:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:15:55,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:55,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:55,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:15:57,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 08:16:00,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:16:00,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 08:16:00,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:16:00,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 08:16:00,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:16:00,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,158 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:00,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:00,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:00,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:00,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:00,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:00,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:16:00,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:00,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:00,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:00,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:00,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:00,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:16:00,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:00,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:00,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:16:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:00,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:16:00,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:00,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:00,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:00,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:16:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:16:00,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:00,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:00,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:00,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:16:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:00,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:00,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:16:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:00,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:00,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:00,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:00,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:00,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:16:00,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:00,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:16:00,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:16:00,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:16:00,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 08:16:00,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110543992] [2020-10-14 08:16:00,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:00,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 08:16:00,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046302328] [2020-10-14 08:16:00,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 08:16:00,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:00,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 08:16:00,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-14 08:16:00,508 INFO L87 Difference]: Start difference. First operand 771 states and 1092 transitions. Second operand 14 states. [2020-10-14 08:16:00,763 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:16:00,940 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 08:16:02,324 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:16:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:03,376 INFO L93 Difference]: Finished difference Result 1401 states and 1973 transitions. [2020-10-14 08:16:03,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 08:16:03,377 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 94 [2020-10-14 08:16:03,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:03,387 INFO L225 Difference]: With dead ends: 1401 [2020-10-14 08:16:03,387 INFO L226 Difference]: Without dead ends: 620 [2020-10-14 08:16:03,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2020-10-14 08:16:03,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2020-10-14 08:16:03,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 620. [2020-10-14 08:16:03,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-14 08:16:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 873 transitions. [2020-10-14 08:16:03,484 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 873 transitions. Word has length 94 [2020-10-14 08:16:03,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:03,486 INFO L479 AbstractCegarLoop]: Abstraction has 620 states and 873 transitions. [2020-10-14 08:16:03,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 08:16:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 873 transitions. [2020-10-14 08:16:03,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 08:16:03,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:03,488 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:03,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 08:16:03,488 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:03,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:03,488 INFO L82 PathProgramCache]: Analyzing trace with hash -822562128, now seen corresponding path program 1 times [2020-10-14 08:16:03,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:03,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913176764] [2020-10-14 08:16:03,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:03,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:03,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:03,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:03,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:03,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:05,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 08:16:08,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:16:08,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4725 [2020-10-14 08:16:08,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:16:08,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-14 08:16:08,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:16:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,457 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:08,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:08,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:08,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:08,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:08,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:08,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:08,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:08,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:08,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:08,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:08,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:16:08,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:16:08,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:08,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:08,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:16:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:08,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:08,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:08,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:16:08,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:16:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:16:08,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:08,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:08,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:08,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:16:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:08,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:08,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:08,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:16:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:08,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:08,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:08,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:08,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:08,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:08,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:08,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:08,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:16:08,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913176764] [2020-10-14 08:16:08,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:08,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:16:08,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452275638] [2020-10-14 08:16:08,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:16:08,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:08,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:16:08,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:16:08,738 INFO L87 Difference]: Start difference. First operand 620 states and 873 transitions. Second operand 13 states. [2020-10-14 08:16:10,237 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:16:10,395 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 08:16:11,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:11,360 INFO L93 Difference]: Finished difference Result 1227 states and 1730 transitions. [2020-10-14 08:16:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:16:11,361 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-14 08:16:11,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:11,366 INFO L225 Difference]: With dead ends: 1227 [2020-10-14 08:16:11,366 INFO L226 Difference]: Without dead ends: 635 [2020-10-14 08:16:11,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:16:11,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2020-10-14 08:16:11,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 635. [2020-10-14 08:16:11,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-10-14 08:16:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 885 transitions. [2020-10-14 08:16:11,434 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 885 transitions. Word has length 94 [2020-10-14 08:16:11,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:11,435 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 885 transitions. [2020-10-14 08:16:11,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:16:11,435 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 885 transitions. [2020-10-14 08:16:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-14 08:16:11,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:11,437 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:11,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 08:16:11,437 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:11,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:11,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1325734900, now seen corresponding path program 1 times [2020-10-14 08:16:11,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:11,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564679246] [2020-10-14 08:16:11,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:11,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:11,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:11,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:13,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:15,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:15,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 08:16:15,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:16:15,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4355 [2020-10-14 08:16:15,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:15,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:16:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 08:16:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:16:15,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:15,993 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:15,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:15,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:16,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:16,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:16,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:16,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:16,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:16:16,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:16,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:16:16,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:16,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:16,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:16:16,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:16:16,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:16,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:16,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:16:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:16,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:16:16,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:16,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:16,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:16:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:16:16,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:16,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:16,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:16,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:16,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:16:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:16,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:16,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:16:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:16,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:16,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 08:16:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:16,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:16,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:16,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:16,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:16,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:16,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:16,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:16,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:16:16,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564679246] [2020-10-14 08:16:16,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:16,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:16:16,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278083545] [2020-10-14 08:16:16,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:16:16,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:16,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:16:16,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:16:16,303 INFO L87 Difference]: Start difference. First operand 635 states and 885 transitions. Second operand 13 states. [2020-10-14 08:16:17,884 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:16:18,049 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:16:18,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:18,913 INFO L93 Difference]: Finished difference Result 1257 states and 1763 transitions. [2020-10-14 08:16:18,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:16:18,914 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 102 [2020-10-14 08:16:18,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:18,919 INFO L225 Difference]: With dead ends: 1257 [2020-10-14 08:16:18,919 INFO L226 Difference]: Without dead ends: 650 [2020-10-14 08:16:18,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:16:18,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-10-14 08:16:18,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2020-10-14 08:16:18,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-10-14 08:16:18,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 897 transitions. [2020-10-14 08:16:18,987 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 897 transitions. Word has length 102 [2020-10-14 08:16:18,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:18,987 INFO L479 AbstractCegarLoop]: Abstraction has 650 states and 897 transitions. [2020-10-14 08:16:18,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:16:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 897 transitions. [2020-10-14 08:16:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 08:16:18,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:18,990 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:18,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 08:16:18,991 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:18,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:18,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1619423894, now seen corresponding path program 1 times [2020-10-14 08:16:18,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:18,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675082982] [2020-10-14 08:16:18,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:19,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:19,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:19,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:19,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:19,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:20,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:20,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 08:16:24,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 08:16:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 08:16:24,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:16:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-14 08:16:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:16:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,187 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:24,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:24,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:24,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:24,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:24,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:24,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:24,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:24,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:24,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:24,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:24,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:16:24,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:16:24,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:24,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:24,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:16:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:24,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:16:24,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:24,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:24,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:24,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:16:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:16:24,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:24,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:24,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:24,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:24,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:16:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:24,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:24,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:16:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:24,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:24,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 08:16:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:24,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:24,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 08:16:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:24,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:24,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:24,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:24,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:24,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:24,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:24,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:24,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:24,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:24,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:24,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:16:24,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675082982] [2020-10-14 08:16:24,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:24,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:16:24,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536689594] [2020-10-14 08:16:24,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:16:24,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:24,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:16:24,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:16:24,487 INFO L87 Difference]: Start difference. First operand 650 states and 897 transitions. Second operand 13 states. [2020-10-14 08:16:26,089 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:16:26,260 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:16:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:27,129 INFO L93 Difference]: Finished difference Result 1284 states and 1775 transitions. [2020-10-14 08:16:27,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:16:27,130 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 110 [2020-10-14 08:16:27,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:27,134 INFO L225 Difference]: With dead ends: 1284 [2020-10-14 08:16:27,134 INFO L226 Difference]: Without dead ends: 662 [2020-10-14 08:16:27,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:16:27,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-10-14 08:16:27,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-10-14 08:16:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-14 08:16:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 906 transitions. [2020-10-14 08:16:27,206 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 906 transitions. Word has length 110 [2020-10-14 08:16:27,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:27,206 INFO L479 AbstractCegarLoop]: Abstraction has 662 states and 906 transitions. [2020-10-14 08:16:27,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:16:27,206 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 906 transitions. [2020-10-14 08:16:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 08:16:27,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:27,212 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:27,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 08:16:27,212 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:27,212 INFO L82 PathProgramCache]: Analyzing trace with hash 85588980, now seen corresponding path program 1 times [2020-10-14 08:16:27,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:27,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494026225] [2020-10-14 08:16:27,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:27,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:27,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:27,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:27,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:29,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 08:16:32,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:16:32,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 08:16:32,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:16:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-14 08:16:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:16:32,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,427 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:32,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:32,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:16:32,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:32,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:32,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:32,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:16:32,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:32,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:32,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:32,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:32,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:16:32,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:16:32,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:32,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:32,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:16:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:32,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:16:32,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:32,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:32,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:16:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:16:32,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:32,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:32,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:32,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:16:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:32,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:32,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:16:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:32,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:32,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 08:16:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:32,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:32,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 08:16:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:32,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:32,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:32,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:32,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:32,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:32,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:16:32,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494026225] [2020-10-14 08:16:32,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:32,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:16:32,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796486338] [2020-10-14 08:16:32,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:16:32,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:32,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:16:32,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:16:32,705 INFO L87 Difference]: Start difference. First operand 662 states and 906 transitions. Second operand 13 states. [2020-10-14 08:16:34,369 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:16:34,542 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:16:35,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:35,408 INFO L93 Difference]: Finished difference Result 1311 states and 1805 transitions. [2020-10-14 08:16:35,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:16:35,408 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 110 [2020-10-14 08:16:35,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:35,414 INFO L225 Difference]: With dead ends: 1311 [2020-10-14 08:16:35,414 INFO L226 Difference]: Without dead ends: 677 [2020-10-14 08:16:35,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:16:35,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2020-10-14 08:16:35,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2020-10-14 08:16:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-10-14 08:16:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 918 transitions. [2020-10-14 08:16:35,479 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 918 transitions. Word has length 110 [2020-10-14 08:16:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:35,480 INFO L479 AbstractCegarLoop]: Abstraction has 677 states and 918 transitions. [2020-10-14 08:16:35,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:16:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 918 transitions. [2020-10-14 08:16:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-14 08:16:35,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:35,482 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:35,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 08:16:35,483 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:35,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:35,483 INFO L82 PathProgramCache]: Analyzing trace with hash -652395722, now seen corresponding path program 1 times [2020-10-14 08:16:35,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:35,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724576528] [2020-10-14 08:16:35,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:35,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:35,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:35,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:35,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:35,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 08:16:40,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:16:40,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 08:16:40,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:16:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 08:16:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 08:16:40,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:40,692 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:40,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:40,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:40,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:40,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:16:40,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:16:40,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:40,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:40,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:40,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:40,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:40,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:40,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:40,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:16:40,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:40,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:40,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:40,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:40,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:40,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:40,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:16:40,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:40,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:40,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:40,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:40,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 08:16:40,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:16:40,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:40,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:40,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:40,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:40,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:40,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:40,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:40,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:40,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:40,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:16:40,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:40,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:16:40,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:16:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:40,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:40,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:40,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:40,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:40,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:40,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:40,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:40,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:16:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:40,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:40,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:16:40,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:16:40,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:40,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:40,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:40,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:40,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:16:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:40,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:40,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:16:40,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:40,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:16:40,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:40,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:16:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:16:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 08:16:40,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:41,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:41,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:41,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:41,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:41,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:41,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:41,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:41,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:16:41,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:41,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:16:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:41,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:41,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:41,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:41,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:41,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:41,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:41,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:16:41,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:41,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:16:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:41,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:41,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:41,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:41,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:41,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:41,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:41,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:16:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:41,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:41,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 08:16:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:41,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:41,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:41,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:41,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:41,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:41,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:41,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:16:41,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:41,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:41,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 08:16:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:41,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:41,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:41,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:41,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:41,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:41,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:41,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:16:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:41,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:41,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 08:16:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:41,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:41,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:41,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:41,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:41,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:41,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:16:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 08:16:41,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724576528] [2020-10-14 08:16:41,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:41,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-14 08:16:41,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176463884] [2020-10-14 08:16:41,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 08:16:41,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:41,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 08:16:41,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2020-10-14 08:16:41,150 INFO L87 Difference]: Start difference. First operand 677 states and 918 transitions. Second operand 17 states. [2020-10-14 08:16:41,334 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-14 08:16:43,216 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:16:45,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:45,085 INFO L93 Difference]: Finished difference Result 1469 states and 1982 transitions. [2020-10-14 08:16:45,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 08:16:45,086 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 118 [2020-10-14 08:16:45,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:45,093 INFO L225 Difference]: With dead ends: 1469 [2020-10-14 08:16:45,093 INFO L226 Difference]: Without dead ends: 820 [2020-10-14 08:16:45,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=319, Invalid=871, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 08:16:45,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-10-14 08:16:45,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 799. [2020-10-14 08:16:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2020-10-14 08:16:45,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1080 transitions. [2020-10-14 08:16:45,183 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1080 transitions. Word has length 118 [2020-10-14 08:16:45,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:45,184 INFO L479 AbstractCegarLoop]: Abstraction has 799 states and 1080 transitions. [2020-10-14 08:16:45,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 08:16:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1080 transitions. [2020-10-14 08:16:45,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 08:16:45,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:45,187 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:45,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 08:16:45,187 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:45,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:45,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1314809268, now seen corresponding path program 1 times [2020-10-14 08:16:45,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:45,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462688292] [2020-10-14 08:16:45,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:45,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:46,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 08:16:50,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 08:16:50,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 08:16:50,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:16:50,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 08:16:50,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 08:16:50,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,353 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:50,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:50,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:16:50,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:50,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:16:50,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:50,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:50,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:16:50,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:50,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:50,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:16:50,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:50,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:16:50,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:50,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:16:50,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:50,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:50,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:50,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:50,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:16:50,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:16:50,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:16:50,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:50,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:50,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:50,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:50,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:16:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:50,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:16:50,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:16:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:50,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:50,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:50,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:50,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:16:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 08:16:50,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:16:50,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:16:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:16:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:16:50,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:50,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:50,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:16:50,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 08:16:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:50,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:50,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:16:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:16:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:50,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:50,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:50,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:16:50,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:50,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 08:16:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:50,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:50,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:16:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:50,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 08:16:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:50,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:50,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:50,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:16:50,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:50,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 08:16:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:50,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:50,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:16:50,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:50,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:50,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:50,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:50,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:50,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:16:50,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:50,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 08:16:50,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462688292] [2020-10-14 08:16:50,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:50,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-14 08:16:50,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977887095] [2020-10-14 08:16:50,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 08:16:50,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:50,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 08:16:50,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-14 08:16:50,737 INFO L87 Difference]: Start difference. First operand 799 states and 1080 transitions. Second operand 16 states. [2020-10-14 08:16:50,891 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:16:51,244 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:16:54,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:54,930 INFO L93 Difference]: Finished difference Result 1523 states and 2063 transitions. [2020-10-14 08:16:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-14 08:16:54,930 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 119 [2020-10-14 08:16:54,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:54,936 INFO L225 Difference]: With dead ends: 1523 [2020-10-14 08:16:54,936 INFO L226 Difference]: Without dead ends: 856 [2020-10-14 08:16:54,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=338, Invalid=994, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 08:16:54,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-10-14 08:16:55,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 838. [2020-10-14 08:16:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-10-14 08:16:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1125 transitions. [2020-10-14 08:16:55,028 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1125 transitions. Word has length 119 [2020-10-14 08:16:55,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:55,029 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 1125 transitions. [2020-10-14 08:16:55,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 08:16:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1125 transitions. [2020-10-14 08:16:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 08:16:55,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:55,032 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:55,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 08:16:55,032 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:55,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:55,032 INFO L82 PathProgramCache]: Analyzing trace with hash 155991290, now seen corresponding path program 1 times [2020-10-14 08:16:55,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:55,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79581132] [2020-10-14 08:16:55,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:55,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:55,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:55,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:55,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 08:17:00,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:17:00,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 08:17:00,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-14 08:17:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:00,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,244 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:00,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:00,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:00,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:00,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:00,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:00,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:17:00,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:00,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:00,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:00,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:00,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:00,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:00,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:00,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:00,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:17:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:00,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:00,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:00,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:00,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:17:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:17:00,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:00,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:00,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:00,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:00,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:00,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 08:17:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:00,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:00,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 08:17:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:00,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:00,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 08:17:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:00,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:00,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 08:17:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:00,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:00,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:00,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:00,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:00,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:00,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:00,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:00,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:00,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:00,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 08:17:00,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79581132] [2020-10-14 08:17:00,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:00,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:17:00,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642130997] [2020-10-14 08:17:00,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:17:00,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:00,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:17:00,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:17:00,527 INFO L87 Difference]: Start difference. First operand 838 states and 1125 transitions. Second operand 13 states. [2020-10-14 08:17:02,420 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:02,602 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 08:17:03,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:03,129 INFO L93 Difference]: Finished difference Result 1514 states and 2045 transitions. [2020-10-14 08:17:03,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:17:03,129 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 121 [2020-10-14 08:17:03,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:03,135 INFO L225 Difference]: With dead ends: 1514 [2020-10-14 08:17:03,136 INFO L226 Difference]: Without dead ends: 856 [2020-10-14 08:17:03,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:17:03,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-10-14 08:17:03,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2020-10-14 08:17:03,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-14 08:17:03,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1140 transitions. [2020-10-14 08:17:03,221 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1140 transitions. Word has length 121 [2020-10-14 08:17:03,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:03,222 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1140 transitions. [2020-10-14 08:17:03,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:17:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1140 transitions. [2020-10-14 08:17:03,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 08:17:03,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:03,225 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:03,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 08:17:03,225 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:03,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:03,226 INFO L82 PathProgramCache]: Analyzing trace with hash 609111341, now seen corresponding path program 1 times [2020-10-14 08:17:03,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:03,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586296210] [2020-10-14 08:17:03,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-14 08:17:04,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:04,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 940 [2020-10-14 08:17:04,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:04,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 08:17:04,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 08:17:04,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,328 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:04,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:04,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:04,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:04,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:04,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:04,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:17:04,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:04,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:04,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:04,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:17:04,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:04,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:04,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:04,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:17:04,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:04,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:17:04,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:04,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:04,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:17:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:04,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:17:04,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:17:04,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:04,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:04,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:17:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:17:04,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:17:04,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:04,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:17:04,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 08:17:04,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:04,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:04,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:04,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:04,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:04,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:17:04,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:17:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:17:04,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:04,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 08:17:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:17:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:04,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:04,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:17:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:04,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:04,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:17:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:04,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:04,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:17:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:04,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:04,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:17:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:04,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:17:04,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 08:17:04,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586296210] [2020-10-14 08:17:04,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:04,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 08:17:04,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958780047] [2020-10-14 08:17:04,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 08:17:04,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:04,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 08:17:04,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:17:04,681 INFO L87 Difference]: Start difference. First operand 856 states and 1140 transitions. Second operand 15 states. [2020-10-14 08:17:05,030 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-14 08:17:06,171 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:17:08,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:08,621 INFO L93 Difference]: Finished difference Result 1559 states and 2081 transitions. [2020-10-14 08:17:08,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 08:17:08,622 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 126 [2020-10-14 08:17:08,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:08,628 INFO L225 Difference]: With dead ends: 1559 [2020-10-14 08:17:08,628 INFO L226 Difference]: Without dead ends: 883 [2020-10-14 08:17:08,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=268, Invalid=788, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 08:17:08,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-14 08:17:08,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 856. [2020-10-14 08:17:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-14 08:17:08,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1134 transitions. [2020-10-14 08:17:08,720 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1134 transitions. Word has length 126 [2020-10-14 08:17:08,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:08,721 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1134 transitions. [2020-10-14 08:17:08,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 08:17:08,721 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1134 transitions. [2020-10-14 08:17:08,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 08:17:08,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:08,724 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:08,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 08:17:08,724 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:08,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:08,724 INFO L82 PathProgramCache]: Analyzing trace with hash 500710038, now seen corresponding path program 1 times [2020-10-14 08:17:08,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:08,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670084096] [2020-10-14 08:17:08,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:08,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:08,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:09,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:09,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-14 08:17:09,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1221 [2020-10-14 08:17:09,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:09,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:17:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 08:17:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 08:17:09,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,138 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:10,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:10,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:10,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:10,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:17:10,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:10,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:17:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:10,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:10,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:10,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:10,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:10,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:17:10,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:10,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:10,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:10,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:17:10,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:17:10,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:10,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:10,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:17:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:10,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:10,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:17:10,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:10,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:10,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:10,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:17:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:17:10,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:17:10,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:17:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 08:17:10,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:10,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:10,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:10,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:10,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:17:10,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:17:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:17:10,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:10,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:10,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 08:17:10,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:10,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:17:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:10,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:10,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:10,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:17:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:10,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:10,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:17:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:10,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:10,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:17:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:10,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:17:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:10,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:10,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:10,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:10,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:10,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:10,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 08:17:10,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670084096] [2020-10-14 08:17:10,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:10,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-14 08:17:10,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264340335] [2020-10-14 08:17:10,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 08:17:10,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:10,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 08:17:10,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-10-14 08:17:10,508 INFO L87 Difference]: Start difference. First operand 856 states and 1134 transitions. Second operand 17 states. [2020-10-14 08:17:10,668 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:11,012 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:17:14,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:14,459 INFO L93 Difference]: Finished difference Result 1544 states and 2060 transitions. [2020-10-14 08:17:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 08:17:14,460 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 126 [2020-10-14 08:17:14,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:14,466 INFO L225 Difference]: With dead ends: 1544 [2020-10-14 08:17:14,466 INFO L226 Difference]: Without dead ends: 865 [2020-10-14 08:17:14,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=325, Invalid=935, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 08:17:14,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2020-10-14 08:17:14,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 856. [2020-10-14 08:17:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-14 08:17:14,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1131 transitions. [2020-10-14 08:17:14,563 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1131 transitions. Word has length 126 [2020-10-14 08:17:14,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:14,563 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1131 transitions. [2020-10-14 08:17:14,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 08:17:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1131 transitions. [2020-10-14 08:17:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 08:17:14,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:14,566 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:14,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 08:17:14,567 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:14,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:14,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1069965569, now seen corresponding path program 1 times [2020-10-14 08:17:14,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:14,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578600118] [2020-10-14 08:17:14,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:14,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:14,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:14,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 08:17:14,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:14,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-14 08:17:14,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:14,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:14,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:17:14,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 08:17:14,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:17:14,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:14,960 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:14,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:14,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:14,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:14,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:14,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:14,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:14,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:14,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:14,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:14,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:14,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:14,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:14,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:14,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:14,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:14,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:14,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:14,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:14,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:14,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:17:14,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:14,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:14,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:14,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:14,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:14,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:14,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:14,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:14,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:14,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:17:14,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:17:14,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:14,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:15,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:15,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 08:17:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:15,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:15,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:15,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:15,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:15,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:15,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:15,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 08:17:15,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:15,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:15,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:17:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:15,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:15,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 08:17:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:15,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:15,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:17:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:17:15,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:15,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 08:17:15,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:15,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:17:15,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:15,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:17:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:15,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:15,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:17:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:17:15,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:15,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 08:17:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:17:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:15,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:15,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:17:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:15,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:15,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:15,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:17:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:15,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:15,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:17:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:15,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:15,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:17:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:15,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:15,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:15,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:15,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:15,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:17:15,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:15,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:15,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 08:17:15,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578600118] [2020-10-14 08:17:15,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:17:15,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 08:17:15,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084030627] [2020-10-14 08:17:15,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 08:17:15,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:15,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 08:17:15,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-14 08:17:15,385 INFO L87 Difference]: Start difference. First operand 856 states and 1131 transitions. Second operand 16 states. [2020-10-14 08:17:15,561 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:17:15,776 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:17:15,934 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-14 08:17:18,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:18,613 INFO L93 Difference]: Finished difference Result 1703 states and 2248 transitions. [2020-10-14 08:17:18,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 08:17:18,613 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 127 [2020-10-14 08:17:18,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:18,618 INFO L225 Difference]: With dead ends: 1703 [2020-10-14 08:17:18,618 INFO L226 Difference]: Without dead ends: 870 [2020-10-14 08:17:18,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2020-10-14 08:17:18,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-10-14 08:17:18,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 856. [2020-10-14 08:17:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-14 08:17:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1119 transitions. [2020-10-14 08:17:18,705 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1119 transitions. Word has length 127 [2020-10-14 08:17:18,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:18,705 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1119 transitions. [2020-10-14 08:17:18,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 08:17:18,706 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1119 transitions. [2020-10-14 08:17:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 08:17:18,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:18,709 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:18,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 08:17:18,709 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:18,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:18,709 INFO L82 PathProgramCache]: Analyzing trace with hash 554000104, now seen corresponding path program 1 times [2020-10-14 08:17:18,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:18,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247746039] [2020-10-14 08:17:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:18,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:18,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 08:17:22,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:22,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3357 [2020-10-14 08:17:22,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 08:17:22,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 08:17:22,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 08:17:22,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,247 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:22,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:22,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:22,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:17:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:17:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:17:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:22,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:22,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:22,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:17:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:22,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:22,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:17:22,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:22,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:22,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:17:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:22,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 08:17:22,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:17:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:17:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 08:17:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:22,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:22,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:17:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:17:22,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:17:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:22,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:22,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:22,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:17:22,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:22,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:22,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:17:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:17:22,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:22,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:17:22,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:22,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:17:22,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:17:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:22,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:17:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:17:22,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 08:17:22,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 08:17:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 08:17:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:17:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:22,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:22,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:17:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:22,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:22,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:17:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:22,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:22,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:22,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:17:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:22,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:22,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:22,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:17:22,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:17:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:22,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:22,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:22,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 08:17:22,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247746039] [2020-10-14 08:17:22,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:22,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-14 08:17:22,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777530996] [2020-10-14 08:17:22,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 08:17:22,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:22,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 08:17:22,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:17:22,754 INFO L87 Difference]: Start difference. First operand 856 states and 1119 transitions. Second operand 19 states. [2020-10-14 08:17:22,979 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-14 08:17:23,150 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:24,102 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:25,355 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:17:25,527 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:17:25,701 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:17:27,480 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:17:27,642 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:17:27,784 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:17:27,947 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:17:28,125 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:17:28,406 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:17:31,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:31,183 INFO L93 Difference]: Finished difference Result 2139 states and 2793 transitions. [2020-10-14 08:17:31,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-14 08:17:31,187 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 138 [2020-10-14 08:17:31,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:31,199 INFO L225 Difference]: With dead ends: 2139 [2020-10-14 08:17:31,199 INFO L226 Difference]: Without dead ends: 1469 [2020-10-14 08:17:31,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=549, Invalid=1901, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 08:17:31,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2020-10-14 08:17:31,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1373. [2020-10-14 08:17:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1373 states. [2020-10-14 08:17:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1777 transitions. [2020-10-14 08:17:31,443 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1777 transitions. Word has length 138 [2020-10-14 08:17:31,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:31,444 INFO L479 AbstractCegarLoop]: Abstraction has 1373 states and 1777 transitions. [2020-10-14 08:17:31,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 08:17:31,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1777 transitions. [2020-10-14 08:17:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-14 08:17:31,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:31,449 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:31,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 08:17:31,450 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:31,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:31,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1746082505, now seen corresponding path program 1 times [2020-10-14 08:17:31,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:31,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165030433] [2020-10-14 08:17:31,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-14 08:17:31,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-14 08:17:31,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-10-14 08:17:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:17:31,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:32,046 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:32,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:32,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:17:32,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:17:32,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:32,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:17:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:32,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:32,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:17:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:32,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:32,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:32,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:32,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:17:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:32,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:17:32,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:32,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:32,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:17:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:32,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:32,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:32,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:32,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:17:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:17:32,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:32,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:32,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:32,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:17:32,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:17:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:32,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:32,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 08:17:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:32,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:32,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 08:17:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:32,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:32,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 08:17:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:32,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:32,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 08:17:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:32,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:32,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 08:17:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:32,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:32,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:32,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:32,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:32,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:32,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:32,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:32,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:32,538 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 08:17:32,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165030433] [2020-10-14 08:17:32,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:32,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:17:32,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143764961] [2020-10-14 08:17:32,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:17:32,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:32,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:17:32,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:17:32,544 INFO L87 Difference]: Start difference. First operand 1373 states and 1777 transitions. Second operand 13 states. [2020-10-14 08:17:34,698 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:34,846 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:17:35,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:35,762 INFO L93 Difference]: Finished difference Result 2481 states and 3240 transitions. [2020-10-14 08:17:35,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:17:35,763 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 140 [2020-10-14 08:17:35,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:35,769 INFO L225 Difference]: With dead ends: 2481 [2020-10-14 08:17:35,769 INFO L226 Difference]: Without dead ends: 1385 [2020-10-14 08:17:35,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:17:35,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2020-10-14 08:17:35,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1379. [2020-10-14 08:17:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1379 states. [2020-10-14 08:17:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1764 transitions. [2020-10-14 08:17:35,907 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1764 transitions. Word has length 140 [2020-10-14 08:17:35,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:35,907 INFO L479 AbstractCegarLoop]: Abstraction has 1379 states and 1764 transitions. [2020-10-14 08:17:35,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:17:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1764 transitions. [2020-10-14 08:17:35,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 08:17:35,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:35,910 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:35,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 08:17:35,911 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:35,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:35,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1808960436, now seen corresponding path program 1 times [2020-10-14 08:17:35,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:35,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130789487] [2020-10-14 08:17:35,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:35,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:36,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:36,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:40,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:40,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 08:17:40,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:17:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 08:17:40,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:40,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 08:17:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 08:17:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-14 08:17:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:41,124 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:41,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:41,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:41,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:41,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:41,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:17:41,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:41,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:41,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:17:41,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:41,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:17:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:41,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:41,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:41,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:41,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:17:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:41,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 08:17:41,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:17:41,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:41,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:41,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:41,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:41,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:41,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:17:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:41,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 08:17:41,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:17:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:17:41,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 08:17:41,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:41,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:41,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:41,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:17:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:17:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:41,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:17:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:41,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 08:17:41,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:17:41,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:41,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:41,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:41,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:41,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:41,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:17:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:17:41,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:17:41,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:17:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:41,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:41,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:41,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:41,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:41,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:41,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:17:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:41,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:41,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:41,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:41,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:17:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 08:17:41,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:41,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 08:17:41,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:41,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 08:17:41,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:17:41,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:41,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:17:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:41,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:41,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:41,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:41,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:17:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:41,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:41,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:41,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:41,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:41,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:17:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:41,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:41,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:41,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:41,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:41,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:17:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:41,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:41,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:41,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:41,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:17:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:17:41,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:41,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:17:41,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 08:17:41,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130789487] [2020-10-14 08:17:41,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:41,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-14 08:17:41,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595342804] [2020-10-14 08:17:41,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 08:17:41,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:41,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 08:17:41,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:17:41,889 INFO L87 Difference]: Start difference. First operand 1379 states and 1764 transitions. Second operand 19 states. [2020-10-14 08:17:42,118 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:17:42,283 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:43,194 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:17:44,528 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:17:46,376 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:17:46,648 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:17:46,840 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 08:17:47,031 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 08:17:47,207 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-14 08:17:48,079 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:17:49,497 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:17:49,789 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 142 [2020-10-14 08:17:50,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:50,793 INFO L93 Difference]: Finished difference Result 3339 states and 4267 transitions. [2020-10-14 08:17:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-14 08:17:50,794 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 141 [2020-10-14 08:17:50,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:50,806 INFO L225 Difference]: With dead ends: 3339 [2020-10-14 08:17:50,806 INFO L226 Difference]: Without dead ends: 2288 [2020-10-14 08:17:50,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=549, Invalid=1901, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 08:17:50,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2020-10-14 08:17:51,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 1916. [2020-10-14 08:17:51,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1916 states. [2020-10-14 08:17:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1916 states and 2451 transitions. [2020-10-14 08:17:51,031 INFO L78 Accepts]: Start accepts. Automaton has 1916 states and 2451 transitions. Word has length 141 [2020-10-14 08:17:51,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:51,033 INFO L479 AbstractCegarLoop]: Abstraction has 1916 states and 2451 transitions. [2020-10-14 08:17:51,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 08:17:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 2451 transitions. [2020-10-14 08:17:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 08:17:51,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:51,035 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:51,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 08:17:51,036 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:51,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:51,036 INFO L82 PathProgramCache]: Analyzing trace with hash -2107841332, now seen corresponding path program 1 times [2020-10-14 08:17:51,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:51,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681849606] [2020-10-14 08:17:51,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:51,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:51,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:52,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:52,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 08:17:52,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:52,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1888 [2020-10-14 08:17:52,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:52,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:52,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 08:17:52,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 08:17:52,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-14 08:17:52,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,121 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:53,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:53,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:53,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:17:53,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:53,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 08:17:53,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:17:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:53,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:53,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:53,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:17:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:53,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:53,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:17:53,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:53,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:53,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:17:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:53,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:17:53,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:53,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:17:53,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:53,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:53,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:17:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:53,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 08:17:53,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:17:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:17:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 08:17:53,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:53,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:53,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:17:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:17:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:17:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:17:53,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:53,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:17:53,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:53,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:17:53,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:17:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:53,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:53,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:53,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:17:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 08:17:53,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 08:17:53,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 08:17:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:17:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:17:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:53,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:53,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:17:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:53,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:53,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:17:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:53,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:53,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:17:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:53,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:53,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:53,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:17:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:53,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:53,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:53,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:53,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 08:17:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:53,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:53,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:53,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:53,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 08:17:53,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681849606] [2020-10-14 08:17:53,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:53,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-14 08:17:53,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139501159] [2020-10-14 08:17:53,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 08:17:53,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:53,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 08:17:53,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:17:53,657 INFO L87 Difference]: Start difference. First operand 1916 states and 2451 transitions. Second operand 19 states. [2020-10-14 08:17:53,874 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:17:54,055 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:55,463 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:17:56,579 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:17:58,425 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:17:58,778 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:17:58,977 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-14 08:17:59,190 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-14 08:17:59,391 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-14 08:18:02,249 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:18:03,021 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:18:03,348 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 143 [2020-10-14 08:18:04,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:04,167 INFO L93 Difference]: Finished difference Result 4244 states and 5403 transitions. [2020-10-14 08:18:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-14 08:18:04,167 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 146 [2020-10-14 08:18:04,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:04,180 INFO L225 Difference]: With dead ends: 4244 [2020-10-14 08:18:04,180 INFO L226 Difference]: Without dead ends: 2668 [2020-10-14 08:18:04,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=614, Invalid=2248, Unknown=0, NotChecked=0, Total=2862 [2020-10-14 08:18:04,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2020-10-14 08:18:04,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1958. [2020-10-14 08:18:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1958 states. [2020-10-14 08:18:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1958 states and 2491 transitions. [2020-10-14 08:18:04,414 INFO L78 Accepts]: Start accepts. Automaton has 1958 states and 2491 transitions. Word has length 146 [2020-10-14 08:18:04,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:04,415 INFO L479 AbstractCegarLoop]: Abstraction has 1958 states and 2491 transitions. [2020-10-14 08:18:04,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 08:18:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2491 transitions. [2020-10-14 08:18:04,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 08:18:04,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:04,417 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:04,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 08:18:04,417 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:04,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:04,418 INFO L82 PathProgramCache]: Analyzing trace with hash -647886319, now seen corresponding path program 1 times [2020-10-14 08:18:04,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:04,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910987487] [2020-10-14 08:18:04,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:04,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:04,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-14 08:18:05,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:05,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-14 08:18:05,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 08:18:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 08:18:05,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,207 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:05,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:05,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:05,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:05,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:05,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:18:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:05,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:05,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:18:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:05,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:05,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:05,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:05,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:18:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:05,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 08:18:05,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 08:18:05,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:05,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:05,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:18:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:05,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:05,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:18:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:05,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:05,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:05,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:18:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:18:05,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:05,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:05,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:18:05,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:05,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:05,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:18:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:05,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:05,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:18:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 08:18:05,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:18:05,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:05,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 08:18:05,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:05,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:18:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:05,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:05,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:18:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:05,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:05,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:18:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:05,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:05,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:18:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:05,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:05,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:18:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:05,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:05,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 08:18:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:05,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:05,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:05,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:05,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:05,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:05,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:05,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:05,554 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 08:18:05,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910987487] [2020-10-14 08:18:05,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:05,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 08:18:05,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596155863] [2020-10-14 08:18:05,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 08:18:05,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:05,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 08:18:05,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-14 08:18:05,555 INFO L87 Difference]: Start difference. First operand 1958 states and 2491 transitions. Second operand 14 states. [2020-10-14 08:18:05,710 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:18:06,714 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:18:09,346 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-14 08:18:12,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:12,127 INFO L93 Difference]: Finished difference Result 6782 states and 8726 transitions. [2020-10-14 08:18:12,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 08:18:12,129 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 147 [2020-10-14 08:18:12,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:12,148 INFO L225 Difference]: With dead ends: 6782 [2020-10-14 08:18:12,149 INFO L226 Difference]: Without dead ends: 5082 [2020-10-14 08:18:12,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 08:18:12,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5082 states. [2020-10-14 08:18:12,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5082 to 4753. [2020-10-14 08:18:12,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4753 states. [2020-10-14 08:18:12,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4753 states to 4753 states and 6070 transitions. [2020-10-14 08:18:12,552 INFO L78 Accepts]: Start accepts. Automaton has 4753 states and 6070 transitions. Word has length 147 [2020-10-14 08:18:12,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:12,552 INFO L479 AbstractCegarLoop]: Abstraction has 4753 states and 6070 transitions. [2020-10-14 08:18:12,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 08:18:12,553 INFO L276 IsEmpty]: Start isEmpty. Operand 4753 states and 6070 transitions. [2020-10-14 08:18:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 08:18:12,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:12,556 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:12,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 08:18:12,556 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:12,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:12,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1522611423, now seen corresponding path program 1 times [2020-10-14 08:18:12,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:12,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177585145] [2020-10-14 08:18:12,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-14 08:18:13,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:13,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-10-14 08:18:13,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:18:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 08:18:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 08:18:13,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,169 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:13,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:13,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:13,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:13,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:13,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:18:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:13,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:13,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:18:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:13,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:13,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:13,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:13,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:13,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:18:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:13,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 08:18:13,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:18:13,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:18:13,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:13,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:13,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:13,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 08:18:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:13,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:18:13,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:18:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:13,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:13,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:18:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:18:13,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:13,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:18:13,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:13,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:13,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:18:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:13,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:13,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:18:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 08:18:13,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 08:18:13,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:18:13,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 08:18:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 08:18:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:13,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:13,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:18:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:13,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:13,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:18:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:13,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:13,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 08:18:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:13,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:13,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:13,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:18:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:13,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:13,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:13,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:18:13,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 08:18:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:13,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:13,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:13,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:13,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:13,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:13,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:13,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:13,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 08:18:13,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177585145] [2020-10-14 08:18:13,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:13,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-14 08:18:13,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227607514] [2020-10-14 08:18:13,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 08:18:13,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:13,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 08:18:13,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-14 08:18:13,763 INFO L87 Difference]: Start difference. First operand 4753 states and 6070 transitions. Second operand 18 states. [2020-10-14 08:18:13,996 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:18:14,184 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:18:15,465 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:18:17,925 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:18:18,099 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:18:18,296 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:18:18,481 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:18:18,663 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:18:18,845 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:18:21,549 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-14 08:18:21,720 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:18:23,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:23,876 INFO L93 Difference]: Finished difference Result 9147 states and 11955 transitions. [2020-10-14 08:18:23,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 08:18:23,877 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 148 [2020-10-14 08:18:23,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:23,901 INFO L225 Difference]: With dead ends: 9147 [2020-10-14 08:18:23,901 INFO L226 Difference]: Without dead ends: 4836 [2020-10-14 08:18:23,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=470, Invalid=1692, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 08:18:23,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4836 states. [2020-10-14 08:18:24,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4836 to 4182. [2020-10-14 08:18:24,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4182 states. [2020-10-14 08:18:24,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 5389 transitions. [2020-10-14 08:18:24,650 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 5389 transitions. Word has length 148 [2020-10-14 08:18:24,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:24,650 INFO L479 AbstractCegarLoop]: Abstraction has 4182 states and 5389 transitions. [2020-10-14 08:18:24,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 08:18:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 5389 transitions. [2020-10-14 08:18:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-14 08:18:24,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:24,654 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:24,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 08:18:24,654 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:24,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:24,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1902780761, now seen corresponding path program 1 times [2020-10-14 08:18:24,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:24,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [224802528] [2020-10-14 08:18:24,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:24,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 08:18:25,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-14 08:18:25,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:18:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 08:18:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 08:18:25,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,319 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:25,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:25,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:25,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:25,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:18:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:25,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:25,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:18:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:25,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:25,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:25,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:25,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:18:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:25,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:25,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:25,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:25,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:18:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:25,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 08:18:25,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:18:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:18:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:25,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:25,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:25,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:25,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:18:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:18:25,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:25,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:18:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:25,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:25,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:18:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:25,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:25,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:18:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 08:18:25,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 08:18:25,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:18:25,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 08:18:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 08:18:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:18:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:25,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:25,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:18:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:25,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:25,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:18:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:25,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:25,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:18:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:25,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:25,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:18:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:25,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:25,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:25,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:25,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 08:18:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:25,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:25,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:25,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:25,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:25,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:25,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:25,845 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 08:18:25,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [224802528] [2020-10-14 08:18:25,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:25,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-14 08:18:25,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295225925] [2020-10-14 08:18:25,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 08:18:25,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:25,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 08:18:25,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-14 08:18:25,847 INFO L87 Difference]: Start difference. First operand 4182 states and 5389 transitions. Second operand 18 states. [2020-10-14 08:18:26,071 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:18:26,261 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-14 08:18:26,864 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-14 08:18:28,387 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-14 08:18:30,173 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-14 08:18:30,342 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:18:30,528 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-14 08:18:30,997 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-10-14 08:18:31,175 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:18:31,501 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2020-10-14 08:18:35,697 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:18:37,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:37,566 INFO L93 Difference]: Finished difference Result 8556 states and 11194 transitions. [2020-10-14 08:18:37,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-14 08:18:37,567 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 149 [2020-10-14 08:18:37,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:37,589 INFO L225 Difference]: With dead ends: 8556 [2020-10-14 08:18:37,589 INFO L226 Difference]: Without dead ends: 4840 [2020-10-14 08:18:37,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=503, Invalid=1849, Unknown=0, NotChecked=0, Total=2352 [2020-10-14 08:18:37,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4840 states. [2020-10-14 08:18:38,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4840 to 3934. [2020-10-14 08:18:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3934 states. [2020-10-14 08:18:38,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 5016 transitions. [2020-10-14 08:18:38,041 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 5016 transitions. Word has length 149 [2020-10-14 08:18:38,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:38,041 INFO L479 AbstractCegarLoop]: Abstraction has 3934 states and 5016 transitions. [2020-10-14 08:18:38,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 08:18:38,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 5016 transitions. [2020-10-14 08:18:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-14 08:18:38,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:38,044 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:38,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 08:18:38,045 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:38,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:38,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1695783740, now seen corresponding path program 1 times [2020-10-14 08:18:38,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:38,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880867853] [2020-10-14 08:18:38,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:38,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:38,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 08:18:39,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1412 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,687 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:39,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:39,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:39,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:18:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:39,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:39,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:18:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:39,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:39,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:18:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:39,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:39,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:18:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:39,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:39,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:18:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:18:39,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:39,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:39,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:39,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:18:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:18:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 08:18:39,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 08:18:39,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 08:18:39,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:18:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:40,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:40,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:18:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:40,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:40,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:18:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:40,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:40,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:18:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:40,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:40,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:18:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:40,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:40,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 08:18:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:40,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:40,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 08:18:40,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880867853] [2020-10-14 08:18:40,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:40,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-14 08:18:40,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280456528] [2020-10-14 08:18:40,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 08:18:40,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:40,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 08:18:40,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-14 08:18:40,053 INFO L87 Difference]: Start difference. First operand 3934 states and 5016 transitions. Second operand 16 states. [2020-10-14 08:18:42,564 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:18:42,798 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:18:43,040 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:18:43,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:43,890 INFO L93 Difference]: Finished difference Result 4271 states and 5485 transitions. [2020-10-14 08:18:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 08:18:43,891 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 149 [2020-10-14 08:18:43,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:43,910 INFO L225 Difference]: With dead ends: 4271 [2020-10-14 08:18:43,911 INFO L226 Difference]: Without dead ends: 4269 [2020-10-14 08:18:43,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:18:43,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4269 states. [2020-10-14 08:18:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 3972. [2020-10-14 08:18:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3972 states. [2020-10-14 08:18:44,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3972 states and 5058 transitions. [2020-10-14 08:18:44,319 INFO L78 Accepts]: Start accepts. Automaton has 3972 states and 5058 transitions. Word has length 149 [2020-10-14 08:18:44,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:44,319 INFO L479 AbstractCegarLoop]: Abstraction has 3972 states and 5058 transitions. [2020-10-14 08:18:44,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 08:18:44,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 5058 transitions. [2020-10-14 08:18:44,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 08:18:44,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:44,321 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:44,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 08:18:44,322 INFO L427 AbstractCegarLoop]: === Iteration 26 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:44,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:44,322 INFO L82 PathProgramCache]: Analyzing trace with hash -973860688, now seen corresponding path program 1 times [2020-10-14 08:18:44,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:44,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917662110] [2020-10-14 08:18:44,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking...