/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:49:23,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:49:23,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:49:23,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:49:23,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:49:23,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:49:23,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:49:23,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:49:23,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:49:23,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:49:23,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:49:23,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:49:23,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:49:23,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:49:23,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:49:23,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:49:23,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:49:23,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:49:23,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:49:23,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:49:23,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:49:23,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:49:23,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:49:23,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:49:23,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:49:23,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:49:23,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:49:23,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:49:23,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:49:23,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:49:23,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:49:23,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:49:23,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:49:23,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:49:23,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:49:23,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:49:23,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:49:23,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:49:23,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:49:23,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:49:23,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:49:23,763 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 [2020-10-15 02:49:23,792 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:49:23,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:49:23,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:49:23,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:49:23,797 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:49:23,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:49:23,798 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:49:23,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:49:23,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:49:23,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:49:23,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:49:23,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:49:23,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:49:23,799 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:49:23,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:49:23,801 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:49:23,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:49:23,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:49:23,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:49:23,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:49:23,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:49:23,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:49:23,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:49:23,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:49:23,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:49:23,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:49:23,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:49:23,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:49:23,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:49:23,805 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:49:24,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:49:24,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:49:24,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:49:24,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:49:24,148 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:49:24,149 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-10-15 02:49:24,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f11219542/731fd4bb2f674b1f8c9dacabaee13c1b/FLAGa77956d36 [2020-10-15 02:49:24,713 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:49:24,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-10-15 02:49:24,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f11219542/731fd4bb2f674b1f8c9dacabaee13c1b/FLAGa77956d36 [2020-10-15 02:49:25,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f11219542/731fd4bb2f674b1f8c9dacabaee13c1b [2020-10-15 02:49:25,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:49:25,042 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:49:25,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:49:25,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:49:25,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:49:25,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:49:25" (1/1) ... [2020-10-15 02:49:25,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25, skipping insertion in model container [2020-10-15 02:49:25,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:49:25" (1/1) ... [2020-10-15 02:49:25,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:49:25,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:49:25,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:49:25,414 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:49:25,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:49:25,632 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:49:25,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25 WrapperNode [2020-10-15 02:49:25,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:49:25,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:49:25,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:49:25,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:49:25,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25" (1/1) ... [2020-10-15 02:49:25,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25" (1/1) ... [2020-10-15 02:49:25,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25" (1/1) ... [2020-10-15 02:49:25,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25" (1/1) ... [2020-10-15 02:49:25,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25" (1/1) ... [2020-10-15 02:49:25,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25" (1/1) ... [2020-10-15 02:49:25,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25" (1/1) ... [2020-10-15 02:49:25,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:49:25,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:49:25,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:49:25,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:49:25,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25" (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 [2020-10-15 02:49:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:49:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:49:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 02:49:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-10-15 02:49:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-10-15 02:49:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-10-15 02:49:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-10-15 02:49:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-10-15 02:49:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-10-15 02:49:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-10-15 02:49:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-10-15 02:49:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:49:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-10-15 02:49:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-10-15 02:49:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-10-15 02:49:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-10-15 02:49:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-10-15 02:49:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:49:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:49:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:49:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:49:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:49:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:49:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:49:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:49:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:49:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:49:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 02:49:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-10-15 02:49:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-10-15 02:49:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-10-15 02:49:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-10-15 02:49:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-10-15 02:49:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-10-15 02:49:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-10-15 02:49:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-10-15 02:49:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:49:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-10-15 02:49:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-10-15 02:49:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-10-15 02:49:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-10-15 02:49:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-10-15 02:49:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:49:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:49:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:49:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:49:26,550 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:49:26,551 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 02:49:26,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:49:26 BoogieIcfgContainer [2020-10-15 02:49:26,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:49:26,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:49:26,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:49:26,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:49:26,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:49:25" (1/3) ... [2020-10-15 02:49:26,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac127ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:49:26, skipping insertion in model container [2020-10-15 02:49:26,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:49:25" (2/3) ... [2020-10-15 02:49:26,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac127ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:49:26, skipping insertion in model container [2020-10-15 02:49:26,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:49:26" (3/3) ... [2020-10-15 02:49:26,566 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-10-15 02:49:26,577 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:49:26,585 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:49:26,600 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:49:26,627 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:49:26,628 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:49:26,628 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:49:26,628 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:49:26,629 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:49:26,629 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:49:26,629 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:49:26,629 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:49:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states. [2020-10-15 02:49:26,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-15 02:49:26,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:49:26,667 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] [2020-10-15 02:49:26,668 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:49:26,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:49:26,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1549655252, now seen corresponding path program 1 times [2020-10-15 02:49:26,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:49:26,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098214319] [2020-10-15 02:49:26,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:49:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:27,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:27,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:27,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:27,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:27,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:27,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:27,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:28,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:28,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:28,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 02:49:28,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:49:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1948 [2020-10-15 02:49:28,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:28,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:49:28,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 02:49:28,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:49:28,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-15 02:49:29,208 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:49:29,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:49:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:29,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:29,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:29,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:29,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:49:29,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:29,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:29,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:29,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:49:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:29,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:29,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:29,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:49:29,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:29,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:29,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:29,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 02:49:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:29,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:29,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:29,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:49:29,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:49:29,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:29,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:29,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:29,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:29,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 02:49:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:29,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:29,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:49:29,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:29,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:49:29,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:29,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:49:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:49:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:49:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:29,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:29,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:29,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:29,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:29,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:49:29,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:29,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:49:29,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:29,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:49:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:29,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:29,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:29,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:49:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:49:29,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:29,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:49:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:29,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:29,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:29,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:29,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:29,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:29,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:29,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:29,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:29,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:29,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:29,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:29,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:29,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 02:49:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:29,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:29,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:29,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:49:29,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:49:29,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:29,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:49:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:29,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 25 [2020-10-15 02:49:29,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:29,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:29,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:29,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:29,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:29,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:29,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:29,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:29,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:49:29,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098214319] [2020-10-15 02:49:29,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:49:29,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:49:29,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6929366] [2020-10-15 02:49:29,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:49:29,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:49:29,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:49:29,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:49:29,682 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 13 states. [2020-10-15 02:49:30,078 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 02:49:32,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:49:32,304 INFO L93 Difference]: Finished difference Result 477 states and 732 transitions. [2020-10-15 02:49:32,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 02:49:32,305 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 71 [2020-10-15 02:49:32,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:49:32,319 INFO L225 Difference]: With dead ends: 477 [2020-10-15 02:49:32,320 INFO L226 Difference]: Without dead ends: 258 [2020-10-15 02:49:32,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:49:32,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-10-15 02:49:32,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255. [2020-10-15 02:49:32,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-15 02:49:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 362 transitions. [2020-10-15 02:49:32,416 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 362 transitions. Word has length 71 [2020-10-15 02:49:32,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:49:32,417 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 362 transitions. [2020-10-15 02:49:32,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:49:32,417 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 362 transitions. [2020-10-15 02:49:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-15 02:49:32,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:49:32,421 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] [2020-10-15 02:49:32,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:49:32,422 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:49:32,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:49:32,422 INFO L82 PathProgramCache]: Analyzing trace with hash -197984278, now seen corresponding path program 1 times [2020-10-15 02:49:32,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:49:32,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807727238] [2020-10-15 02:49:32,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:49:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:32,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:32,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:33,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:33,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 02:49:33,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:49:33,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 995 [2020-10-15 02:49:33,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:33,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:33,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:49:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:49:33,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:49:33,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 02:49:33,609 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:49:33,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:49:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:33,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:33,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:33,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:33,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:33,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:49:33,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:33,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:33,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:33,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:33,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:49:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:33,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:33,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:33,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:33,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:33,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:49:33,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:33,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:33,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:49:33,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:33,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:49:33,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:33,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 02:49:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:33,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:33,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:33,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:33,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:33,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:49:33,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:33,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:49:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:49:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:49:33,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:33,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 02:49:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:33,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:33,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:33,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:49:33,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:33,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:49:33,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:33,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:49:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:33,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:33,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:33,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:33,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:33,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:33,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:33,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:33,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:33,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:33,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:33,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:33,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:33,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:49:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:33,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:33,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:33,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:33,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:33,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:49:33,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:33,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:33,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:33,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:49:33,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:33,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:33,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:33,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:33,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:33,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:33,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:33,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:33,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:33,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:33,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:33,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:33,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:33,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 02:49:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:33,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:33,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:33,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:33,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:33,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:49:33,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:33,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:33,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:33,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:49:33,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:33,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:33,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:33,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:33,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:33,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:33,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:49:33,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:33,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:33,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:49:33,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807727238] [2020-10-15 02:49:33,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:49:33,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 02:49:33,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862592994] [2020-10-15 02:49:33,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 02:49:33,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:49:33,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 02:49:33,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-15 02:49:33,993 INFO L87 Difference]: Start difference. First operand 255 states and 362 transitions. Second operand 14 states. [2020-10-15 02:49:34,183 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 02:49:34,401 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 02:49:36,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:49:36,806 INFO L93 Difference]: Finished difference Result 487 states and 690 transitions. [2020-10-15 02:49:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 02:49:36,807 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 71 [2020-10-15 02:49:36,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:49:36,813 INFO L225 Difference]: With dead ends: 487 [2020-10-15 02:49:36,813 INFO L226 Difference]: Without dead ends: 255 [2020-10-15 02:49:36,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:49:36,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-10-15 02:49:36,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2020-10-15 02:49:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-15 02:49:36,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 350 transitions. [2020-10-15 02:49:36,852 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 350 transitions. Word has length 71 [2020-10-15 02:49:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:49:36,852 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 350 transitions. [2020-10-15 02:49:36,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 02:49:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 350 transitions. [2020-10-15 02:49:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-15 02:49:36,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:49:36,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:49:36,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:49:36,856 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:49:36,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:49:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash 440385462, now seen corresponding path program 1 times [2020-10-15 02:49:36,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:49:36,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1664084686] [2020-10-15 02:49:36,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:49:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:36,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:37,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:37,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-15 02:49:37,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:37,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-15 02:49:37,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:37,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:49:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-15 02:49:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:49:37,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:37,363 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:49:37,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:49:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:37,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:37,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:37,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:37,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:37,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:49:37,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:37,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:37,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:37,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:37,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:37,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:37,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:49:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:37,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:37,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:37,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:49:37,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:37,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:49:37,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:37,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:37,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:37,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:49:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:37,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:37,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:37,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:37,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:37,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:49:37,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:37,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:37,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:37,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:37,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:37,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:37,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:49:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:37,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:37,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:37,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:49:37,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:37,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:49:37,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:37,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:37,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:37,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:37,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:37,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:37,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:37,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:37,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:37,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:49:37,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:37,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:37,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:49:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:37,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:37,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:37,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:37,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:37,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:49:37,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:37,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:37,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:37,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:37,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:37,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:37,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:37,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:37,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:37,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:37,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:37,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:37,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:49:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:37,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:37,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:37,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:37,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:37,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:49:37,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:37,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:37,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:37,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:37,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:37,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:37,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:37,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:37,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:37,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:37,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:37,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:37,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:37,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:49:37,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1664084686] [2020-10-15 02:49:37,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:49:37,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 02:49:37,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044450915] [2020-10-15 02:49:37,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:49:37,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:49:37,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:49:37,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:49:37,623 INFO L87 Difference]: Start difference. First operand 255 states and 350 transitions. Second operand 11 states. [2020-10-15 02:49:38,587 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:49:38,749 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 02:49:39,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:49:39,914 INFO L93 Difference]: Finished difference Result 478 states and 671 transitions. [2020-10-15 02:49:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 02:49:39,917 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-10-15 02:49:39,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:49:39,920 INFO L225 Difference]: With dead ends: 478 [2020-10-15 02:49:39,920 INFO L226 Difference]: Without dead ends: 251 [2020-10-15 02:49:39,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:49:39,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-15 02:49:39,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2020-10-15 02:49:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-10-15 02:49:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 341 transitions. [2020-10-15 02:49:39,954 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 341 transitions. Word has length 82 [2020-10-15 02:49:39,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:49:39,955 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 341 transitions. [2020-10-15 02:49:39,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:49:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 341 transitions. [2020-10-15 02:49:39,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-15 02:49:39,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:49:39,960 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] [2020-10-15 02:49:39,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:49:39,960 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:49:39,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:49:39,961 INFO L82 PathProgramCache]: Analyzing trace with hash -34312660, now seen corresponding path program 1 times [2020-10-15 02:49:39,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:49:39,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262255257] [2020-10-15 02:49:39,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:49:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:40,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:40,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:40,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:41,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:41,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-15 02:49:41,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:49:41,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1763 [2020-10-15 02:49:41,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:41,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:41,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:49:41,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:49:41,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-15 02:49:41,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:41,921 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:49:41,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:49:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:41,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:41,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:41,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:41,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:41,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:49:41,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:41,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:49:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:41,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:49:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:41,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:41,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:41,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:49:41,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:41,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:49:41,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:41,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:49:41,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:41,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:49:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:41,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:41,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:41,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:41,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:41,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:41,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:41,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:49:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:41,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:49:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:41,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:42,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:42,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:49:42,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:42,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:49:42,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:42,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:42,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:49:42,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:42,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:42,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:42,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:42,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:42,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:42,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:42,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:42,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:42,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:42,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:49:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:42,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:42,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:49:42,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:42,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:49:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:42,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:42,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:42,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:42,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:42,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:42,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:42,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:42,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:42,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:42,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:42,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:42,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:42,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:49:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:42,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:42,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:42,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:42,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:42,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:49:42,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:42,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:49:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:42,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:42,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:42,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:42,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:42,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:42,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:49:42,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:42,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:42,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:42,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:42,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:42,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:42,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:49:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:42,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:42,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:42,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 02:49:42,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:42,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:49:42,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:42,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:49:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:49:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:49:42,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:42,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:42,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:42,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:42,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:42,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:42,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:49:42,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:42,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:42,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:49:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:42,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:49:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:42,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:42,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:42,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:42,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:42,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:49:42,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:42,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:49:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:42,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:49:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:42,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:42,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:42,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:42,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:42,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:42,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:42,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:49:42,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:42,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:49:42,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262255257] [2020-10-15 02:49:42,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:49:42,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 02:49:42,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305804972] [2020-10-15 02:49:42,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 02:49:42,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:49:42,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 02:49:42,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:49:42,367 INFO L87 Difference]: Start difference. First operand 251 states and 341 transitions. Second operand 16 states. [2020-10-15 02:49:42,544 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:49:42,809 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 02:49:43,942 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:49:46,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:49:46,261 INFO L93 Difference]: Finished difference Result 570 states and 782 transitions. [2020-10-15 02:49:46,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 02:49:46,262 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 104 [2020-10-15 02:49:46,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:49:46,267 INFO L225 Difference]: With dead ends: 570 [2020-10-15 02:49:46,267 INFO L226 Difference]: Without dead ends: 347 [2020-10-15 02:49:46,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=338, Invalid=994, Unknown=0, NotChecked=0, Total=1332 [2020-10-15 02:49:46,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-10-15 02:49:46,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 344. [2020-10-15 02:49:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-10-15 02:49:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 461 transitions. [2020-10-15 02:49:46,311 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 461 transitions. Word has length 104 [2020-10-15 02:49:46,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:49:46,311 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 461 transitions. [2020-10-15 02:49:46,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 02:49:46,312 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 461 transitions. [2020-10-15 02:49:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-15 02:49:46,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:49:46,314 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] [2020-10-15 02:49:46,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:49:46,314 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:49:46,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:49:46,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1861909607, now seen corresponding path program 1 times [2020-10-15 02:49:46,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:49:46,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560822864] [2020-10-15 02:49:46,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:49:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:46,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:46,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:46,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-15 02:49:48,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:49:48,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2179 [2020-10-15 02:49:48,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:49:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:49:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-15 02:49:48,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:48,691 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:49:48,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:49:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:48,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:48,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:48,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:49:48,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:48,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:48,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:49:48,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:48,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:49:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:48,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:49:48,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:48,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:49:48,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:48,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:49:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:48,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:49:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:48,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:48,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:48,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:48,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:49:48,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:48,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:49:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:48,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:49:48,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:48,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:49:48,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:49:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:48,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:48,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:48,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:49:48,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:48,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:48,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:49:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:48,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:48,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:48,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:49:48,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:49:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:48,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:48,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:48,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:48,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:48,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:48,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:48,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:48,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:49:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:48,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:48,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:48,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:49:48,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:49:48,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:48,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:48,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:48,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:49:48,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:48,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:49:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:48,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:48,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:48,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:49:48,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:48,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:49:48,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:48,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:48,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:49:48,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:49:48,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:49:48,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:49,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:49,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:49,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:49,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:49,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:49,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:49,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:49,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:49,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:49,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:49,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:49:49,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:49,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:49:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:49,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:49,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:49,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:49,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:49,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:49,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:49,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:49:49,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:49,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 02:49:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:49,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:49,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:49,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:49,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:49,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:49:49,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:49,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:49:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:49,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:49:49,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560822864] [2020-10-15 02:49:49,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:49:49,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 02:49:49,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175397605] [2020-10-15 02:49:49,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 02:49:49,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:49:49,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 02:49:49,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:49:49,101 INFO L87 Difference]: Start difference. First operand 344 states and 461 transitions. Second operand 16 states. [2020-10-15 02:49:49,250 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:49:49,563 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 02:49:52,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:49:52,819 INFO L93 Difference]: Finished difference Result 576 states and 786 transitions. [2020-10-15 02:49:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 02:49:52,820 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 105 [2020-10-15 02:49:52,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:49:52,824 INFO L225 Difference]: With dead ends: 576 [2020-10-15 02:49:52,824 INFO L226 Difference]: Without dead ends: 347 [2020-10-15 02:49:52,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=303, Invalid=887, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 02:49:52,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-10-15 02:49:52,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 344. [2020-10-15 02:49:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-10-15 02:49:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 460 transitions. [2020-10-15 02:49:52,892 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 460 transitions. Word has length 105 [2020-10-15 02:49:52,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:49:52,893 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 460 transitions. [2020-10-15 02:49:52,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 02:49:52,893 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 460 transitions. [2020-10-15 02:49:52,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-15 02:49:52,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:49:52,894 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] [2020-10-15 02:49:52,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:49:52,895 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:49:52,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:49:52,895 INFO L82 PathProgramCache]: Analyzing trace with hash -64929764, now seen corresponding path program 1 times [2020-10-15 02:49:52,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:49:52,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246430395] [2020-10-15 02:49:52,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:49:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:52,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:52,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:53,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:53,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:49:55,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:49:55,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2237 [2020-10-15 02:49:55,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:49:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:49:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-15 02:49:55,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:55,349 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:49:55,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:49:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:55,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:49:55,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:49:55,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:55,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:49:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:49:55,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:49:55,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:55,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:49:55,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:55,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:49:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:55,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:55,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:55,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:49:55,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:55,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:49:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:49:55,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:49:55,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:49:55,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:55,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:49:55,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:55,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:55,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:49:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:55,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:49:55,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:55,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:49:55,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:55,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:55,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:49:55,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:55,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:55,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:49:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:49:55,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:49:55,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:55,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:49:55,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:55,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:55,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:49:55,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:55,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:55,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:49:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:49:55,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:49:55,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:49:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:49:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 02:49:55,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:55,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:49:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:55,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:49:55,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:49:55,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:55,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:49:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:49:55,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:49:55,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:49:55,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:49:55,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:49:55,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:49:55,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:49:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:55,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:55,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:49:55,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:49:55,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:49:55,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:49:55,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:49:55,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:49:55,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:49:55,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:49:55,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:49:55,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:49:55,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:49:55,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246430395] [2020-10-15 02:49:55,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:49:55,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 02:49:55,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394996196] [2020-10-15 02:49:55,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 02:49:55,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:49:55,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 02:49:55,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:49:55,738 INFO L87 Difference]: Start difference. First operand 344 states and 460 transitions. Second operand 16 states. [2020-10-15 02:49:55,952 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:49:56,341 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 02:49:59,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:49:59,668 INFO L93 Difference]: Finished difference Result 580 states and 791 transitions. [2020-10-15 02:49:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 02:49:59,670 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 108 [2020-10-15 02:49:59,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:49:59,673 INFO L225 Difference]: With dead ends: 580 [2020-10-15 02:49:59,673 INFO L226 Difference]: Without dead ends: 354 [2020-10-15 02:49:59,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=338, Invalid=994, Unknown=0, NotChecked=0, Total=1332 [2020-10-15 02:49:59,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-10-15 02:49:59,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 345. [2020-10-15 02:49:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-10-15 02:49:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 460 transitions. [2020-10-15 02:49:59,728 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 460 transitions. Word has length 108 [2020-10-15 02:49:59,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:49:59,728 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 460 transitions. [2020-10-15 02:49:59,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 02:49:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 460 transitions. [2020-10-15 02:49:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-15 02:49:59,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:49:59,730 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] [2020-10-15 02:49:59,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:49:59,731 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:49:59,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:49:59,731 INFO L82 PathProgramCache]: Analyzing trace with hash 75618846, now seen corresponding path program 1 times [2020-10-15 02:49:59,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:49:59,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858440174] [2020-10-15 02:49:59,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:49:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:49:59,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:49:59,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:50:00,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:50:00,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-15 02:50:00,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-15 02:50:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 02:50:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:00,236 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:50:00,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:00,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:50:00,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:00,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:00,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:00,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:00,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:00,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:00,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:00,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:00,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:00,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:00,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:00,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:50:00,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:00,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:00,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:00,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:00,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:00,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:00,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:00,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:50:00,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:50:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:00,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:00,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:00,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:00,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:00,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:50:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:00,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:50:00,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:50:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:00,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:00,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:00,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:00,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:00,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:50:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:00,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:50:00,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:00,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:50:00,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:00,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:00,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:00,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:00,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:00,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:00,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:00,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:00,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:00,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:00,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:00,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:50:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:00,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:00,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:00,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:00,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:00,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:00,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:00,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:00,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:00,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:50:00,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:00,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:50:00,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858440174] [2020-10-15 02:50:00,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:00,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:50:00,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870016768] [2020-10-15 02:50:00,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:50:00,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:00,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:50:00,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:50:00,613 INFO L87 Difference]: Start difference. First operand 345 states and 460 transitions. Second operand 12 states. [2020-10-15 02:50:01,354 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 02:50:03,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:50:03,864 INFO L93 Difference]: Finished difference Result 817 states and 1116 transitions. [2020-10-15 02:50:03,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 02:50:03,864 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 108 [2020-10-15 02:50:03,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:50:03,870 INFO L225 Difference]: With dead ends: 817 [2020-10-15 02:50:03,870 INFO L226 Difference]: Without dead ends: 594 [2020-10-15 02:50:03,872 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 [2020-10-15 02:50:03,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-15 02:50:03,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 575. [2020-10-15 02:50:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-10-15 02:50:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 779 transitions. [2020-10-15 02:50:03,938 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 779 transitions. Word has length 108 [2020-10-15 02:50:03,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:50:03,938 INFO L479 AbstractCegarLoop]: Abstraction has 575 states and 779 transitions. [2020-10-15 02:50:03,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:50:03,939 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 779 transitions. [2020-10-15 02:50:03,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-15 02:50:03,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:50:03,940 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] [2020-10-15 02:50:03,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:50:03,941 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:50:03,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:50:03,941 INFO L82 PathProgramCache]: Analyzing trace with hash -538141010, now seen corresponding path program 1 times [2020-10-15 02:50:03,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:50:03,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368734314] [2020-10-15 02:50:03,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:50:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:03,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:50:04,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:50:04,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-15 02:50:04,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:04,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-15 02:50:04,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 02:50:04,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:04,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:50:04,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:04,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:04,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:04,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:04,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:04,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:50:04,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:04,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:04,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:04,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:50:04,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:04,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:04,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:50:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:04,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:50:04,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:50:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:04,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:04,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:50:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:04,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:50:04,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:04,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:50:04,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:04,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:04,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:04,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:04,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:04,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:50:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:04,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:04,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:04,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:04,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:04,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:04,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:04,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:04,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:04,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:50:04,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:04,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:50:04,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368734314] [2020-10-15 02:50:04,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:04,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:50:04,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20220364] [2020-10-15 02:50:04,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:50:04,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:04,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:50:04,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:50:04,771 INFO L87 Difference]: Start difference. First operand 575 states and 779 transitions. Second operand 12 states. [2020-10-15 02:50:05,744 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 02:50:08,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:50:08,173 INFO L93 Difference]: Finished difference Result 1358 states and 1884 transitions. [2020-10-15 02:50:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 02:50:08,174 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2020-10-15 02:50:08,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:50:08,181 INFO L225 Difference]: With dead ends: 1358 [2020-10-15 02:50:08,181 INFO L226 Difference]: Without dead ends: 957 [2020-10-15 02:50:08,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-10-15 02:50:08,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2020-10-15 02:50:08,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 951. [2020-10-15 02:50:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2020-10-15 02:50:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1304 transitions. [2020-10-15 02:50:08,291 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1304 transitions. Word has length 109 [2020-10-15 02:50:08,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:50:08,291 INFO L479 AbstractCegarLoop]: Abstraction has 951 states and 1304 transitions. [2020-10-15 02:50:08,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:50:08,292 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1304 transitions. [2020-10-15 02:50:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-15 02:50:08,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:50:08,295 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] [2020-10-15 02:50:08,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:50:08,295 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:50:08,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:50:08,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1002295661, now seen corresponding path program 1 times [2020-10-15 02:50:08,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:50:08,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453593969] [2020-10-15 02:50:08,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:50:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:08,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:08,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:08,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-15 02:50:09,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:50:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 722 [2020-10-15 02:50:09,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-15 02:50:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:50:09,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:09,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:09,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:50:09,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:50:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:09,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:09,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:09,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:09,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:09,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:09,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:09,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:50:09,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:50:09,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:09,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:09,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:09,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:09,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:50:09,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:09,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:09,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:09,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:50:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:50:09,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:50:09,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:50:09,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:09,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:09,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:09,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:09,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:50:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:09,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:50:09,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:50:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:09,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:09,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:09,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:09,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:09,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:09,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:09,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 02:50:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:09,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:09,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:09,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:09,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:09,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:09,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:09,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:50:09,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:09,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:09,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:50:09,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453593969] [2020-10-15 02:50:09,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:09,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:50:09,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589328906] [2020-10-15 02:50:09,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:50:09,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:09,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:50:09,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:50:09,488 INFO L87 Difference]: Start difference. First operand 951 states and 1304 transitions. Second operand 12 states. [2020-10-15 02:50:09,632 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:50:12,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:50:12,829 INFO L93 Difference]: Finished difference Result 1703 states and 2373 transitions. [2020-10-15 02:50:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 02:50:12,830 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2020-10-15 02:50:12,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:50:12,837 INFO L225 Difference]: With dead ends: 1703 [2020-10-15 02:50:12,837 INFO L226 Difference]: Without dead ends: 962 [2020-10-15 02:50:12,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-10-15 02:50:12,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2020-10-15 02:50:12,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 956. [2020-10-15 02:50:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 956 states. [2020-10-15 02:50:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1306 transitions. [2020-10-15 02:50:12,943 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1306 transitions. Word has length 110 [2020-10-15 02:50:12,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:50:12,944 INFO L479 AbstractCegarLoop]: Abstraction has 956 states and 1306 transitions. [2020-10-15 02:50:12,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:50:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1306 transitions. [2020-10-15 02:50:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-15 02:50:12,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:50:12,946 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] [2020-10-15 02:50:12,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:50:12,947 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:50:12,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:50:12,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1818004688, now seen corresponding path program 1 times [2020-10-15 02:50:12,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:50:12,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1315281793] [2020-10-15 02:50:12,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:50:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:12,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:50:13,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:50:13,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 554 [2020-10-15 02:50:13,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:50:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-15 02:50:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:50:13,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:13,683 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:50:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:13,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:50:13,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:13,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:13,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:13,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:13,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:13,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:13,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:13,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:13,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:50:13,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:13,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:13,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:13,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:13,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:13,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:50:13,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:13,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:13,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:13,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:13,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:50:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:13,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:50:13,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:13,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:13,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:13,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:13,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:50:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:13,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:50:13,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:13,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:13,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:13,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:13,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:13,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:13,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:50:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:13,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:13,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:13,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:13,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:13,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:13,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:13,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:13,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:50:13,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1315281793] [2020-10-15 02:50:13,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:13,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:50:13,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335599541] [2020-10-15 02:50:13,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:50:13,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:13,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:50:13,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:50:13,994 INFO L87 Difference]: Start difference. First operand 956 states and 1306 transitions. Second operand 13 states. [2020-10-15 02:50:15,461 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 02:50:15,591 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 02:50:16,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:50:16,424 INFO L93 Difference]: Finished difference Result 1717 states and 2392 transitions. [2020-10-15 02:50:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:50:16,425 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 109 [2020-10-15 02:50:16,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:50:16,431 INFO L225 Difference]: With dead ends: 1717 [2020-10-15 02:50:16,431 INFO L226 Difference]: Without dead ends: 976 [2020-10-15 02:50:16,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:50:16,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2020-10-15 02:50:16,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 976. [2020-10-15 02:50:16,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2020-10-15 02:50:16,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1322 transitions. [2020-10-15 02:50:16,535 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1322 transitions. Word has length 109 [2020-10-15 02:50:16,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:50:16,536 INFO L479 AbstractCegarLoop]: Abstraction has 976 states and 1322 transitions. [2020-10-15 02:50:16,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:50:16,536 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1322 transitions. [2020-10-15 02:50:16,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-15 02:50:16,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:50:16,538 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:50:16,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:50:16,538 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:50:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:50:16,539 INFO L82 PathProgramCache]: Analyzing trace with hash 43144204, now seen corresponding path program 1 times [2020-10-15 02:50:16,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:50:16,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688910900] [2020-10-15 02:50:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:50:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:16,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:16,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-15 02:50:17,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:50:17,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 697 [2020-10-15 02:50:17,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:50:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-15 02:50:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:50:17,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,518 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:50:17,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:17,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:50:17,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:17,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:17,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:17,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:17,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:17,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:50:17,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:17,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:17,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:17,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:17,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:50:17,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:17,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:17,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:17,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:50:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:17,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:50:17,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:17,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:17,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:50:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:17,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:17,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:17,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:17,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:17,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:17,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:50:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:17,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:17,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:50:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:17,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:17,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:17,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:17,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:17,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:17,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:17,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:17,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:17,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:17,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:17,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:17,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:50:17,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688910900] [2020-10-15 02:50:17,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:17,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:50:17,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139172766] [2020-10-15 02:50:17,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:50:17,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:17,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:50:17,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:50:17,805 INFO L87 Difference]: Start difference. First operand 976 states and 1322 transitions. Second operand 13 states. [2020-10-15 02:50:19,298 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:50:19,448 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 02:50:20,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:50:20,261 INFO L93 Difference]: Finished difference Result 1757 states and 2436 transitions. [2020-10-15 02:50:20,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:50:20,261 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-15 02:50:20,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:50:20,268 INFO L225 Difference]: With dead ends: 1757 [2020-10-15 02:50:20,268 INFO L226 Difference]: Without dead ends: 996 [2020-10-15 02:50:20,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:50:20,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2020-10-15 02:50:20,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 996. [2020-10-15 02:50:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-10-15 02:50:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1338 transitions. [2020-10-15 02:50:20,374 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1338 transitions. Word has length 117 [2020-10-15 02:50:20,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:50:20,374 INFO L479 AbstractCegarLoop]: Abstraction has 996 states and 1338 transitions. [2020-10-15 02:50:20,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:50:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1338 transitions. [2020-10-15 02:50:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-15 02:50:20,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:50:20,377 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:50:20,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 02:50:20,377 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:50:20,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:50:20,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1373690753, now seen corresponding path program 1 times [2020-10-15 02:50:20,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:50:20,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [382304049] [2020-10-15 02:50:20,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:50:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:20,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:20,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:20,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-15 02:50:21,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:50:21,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 906 [2020-10-15 02:50:21,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-15 02:50:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:50:21,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,442 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:50:21,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:21,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:50:21,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:21,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:21,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:21,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:21,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:21,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:50:21,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:21,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:21,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:50:21,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:50:21,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:50:21,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:21,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:21,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:50:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:21,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:50:21,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:50:21,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:21,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:21,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:50:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:21,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:50:21,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:50:21,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:21,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:21,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:21,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:21,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:21,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 02:50:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:21,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:21,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:50:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:50:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:21,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:21,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:50:21,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 02:50:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:21,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:21,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:21,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:21,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:21,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:21,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:21,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:50:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:50:21,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [382304049] [2020-10-15 02:50:21,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:21,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:50:21,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073587832] [2020-10-15 02:50:21,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:50:21,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:21,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:50:21,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:50:21,717 INFO L87 Difference]: Start difference. First operand 996 states and 1338 transitions. Second operand 12 states. [2020-10-15 02:50:21,875 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:50:25,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:50:25,101 INFO L93 Difference]: Finished difference Result 1813 states and 2465 transitions. [2020-10-15 02:50:25,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 02:50:25,102 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 126 [2020-10-15 02:50:25,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:50:25,108 INFO L225 Difference]: With dead ends: 1813 [2020-10-15 02:50:25,108 INFO L226 Difference]: Without dead ends: 1032 [2020-10-15 02:50:25,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-10-15 02:50:25,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-10-15 02:50:25,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 996. [2020-10-15 02:50:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-10-15 02:50:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1334 transitions. [2020-10-15 02:50:25,211 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1334 transitions. Word has length 126 [2020-10-15 02:50:25,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:50:25,211 INFO L479 AbstractCegarLoop]: Abstraction has 996 states and 1334 transitions. [2020-10-15 02:50:25,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:50:25,212 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1334 transitions. [2020-10-15 02:50:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-15 02:50:25,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:50:25,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:50:25,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 02:50:25,215 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:50:25,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:50:25,215 INFO L82 PathProgramCache]: Analyzing trace with hash 2099450390, now seen corresponding path program 1 times [2020-10-15 02:50:25,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:50:25,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842354283] [2020-10-15 02:50:25,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:50:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:25,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:25,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:25,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:25,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-15 02:50:25,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:50:25,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 745 [2020-10-15 02:50:25,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:25,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:50:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-15 02:50:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:50:25,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:26,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:50:26,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:26,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:26,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:26,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:26,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:26,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:50:26,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:26,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:26,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:26,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:50:26,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:26,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:26,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:50:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:26,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:50:26,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:26,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:26,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:50:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:26,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:26,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:26,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:26,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:26,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:26,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:50:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:26,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:26,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:50:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:50:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:50:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:50:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:26,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:26,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:50:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:50:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:26,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:26,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:26,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:26,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:26,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:26,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:50:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:26,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 02:50:26,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842354283] [2020-10-15 02:50:26,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:26,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 02:50:26,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949618968] [2020-10-15 02:50:26,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 02:50:26,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:26,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 02:50:26,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-15 02:50:26,423 INFO L87 Difference]: Start difference. First operand 996 states and 1334 transitions. Second operand 14 states. [2020-10-15 02:50:26,670 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-15 02:50:26,826 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 02:50:28,065 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 02:50:29,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:50:29,110 INFO L93 Difference]: Finished difference Result 1654 states and 2235 transitions. [2020-10-15 02:50:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:50:29,111 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 125 [2020-10-15 02:50:29,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:50:29,117 INFO L225 Difference]: With dead ends: 1654 [2020-10-15 02:50:29,118 INFO L226 Difference]: Without dead ends: 811 [2020-10-15 02:50:29,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2020-10-15 02:50:29,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-10-15 02:50:29,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2020-10-15 02:50:29,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-10-15 02:50:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1083 transitions. [2020-10-15 02:50:29,255 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1083 transitions. Word has length 125 [2020-10-15 02:50:29,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:50:29,258 INFO L479 AbstractCegarLoop]: Abstraction has 811 states and 1083 transitions. [2020-10-15 02:50:29,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 02:50:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1083 transitions. [2020-10-15 02:50:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-15 02:50:29,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:50:29,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:50:29,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 02:50:29,263 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:50:29,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:50:29,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1680516741, now seen corresponding path program 1 times [2020-10-15 02:50:29,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:50:29,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8855258] [2020-10-15 02:50:29,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:50:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:29,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:29,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:29,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-15 02:50:29,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:29,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-15 02:50:29,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:29,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:29,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:50:29,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-15 02:50:29,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:50:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:29,818 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:50:29,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:29,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:29,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:29,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:29,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:29,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:50:29,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:29,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:29,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:29,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:29,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:29,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:29,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:29,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:29,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:29,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:29,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:29,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:50:29,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:29,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:29,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:29,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:29,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:29,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:29,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:29,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:29,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:29,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:29,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:29,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:29,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:29,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:29,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:29,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:29,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:29,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:29,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:29,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:29,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:50:29,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:29,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:29,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:29,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:29,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:29,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:29,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:29,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:29,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:29,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:29,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:29,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:29,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:29,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:29,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:29,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:29,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:29,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:50:29,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:29,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:50:29,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:29,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:29,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:29,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:30,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:30,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:30,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:30,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:30,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:30,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:30,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:30,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:30,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:50:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:30,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:30,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:30,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:30,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:30,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:50:30,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:30,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:30,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:30,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:30,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:30,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:30,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:30,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:30,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:30,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:30,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:30,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:30,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:50:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:30,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:30,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:30,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:30,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:30,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:50:30,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:30,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:30,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:30,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:30,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:30,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:30,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:30,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:30,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:30,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:30,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:30,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:30,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:30,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:30,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:30,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:30,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:30,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:30,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:30,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:30,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:30,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:30,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:30,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:50:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:30,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:30,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:30,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:30,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:30,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:30,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:30,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:30,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:30,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:30,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:50:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:30,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:30,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:30,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:30,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:30,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:30,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:30,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:30,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:30,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:30,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:30,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:30,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:50:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:30,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:30,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:30,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:30,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:30,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:30,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:30,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:30,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:30,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:30,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:30,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:50:30,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8855258] [2020-10-15 02:50:30,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:30,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:50:30,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041393332] [2020-10-15 02:50:30,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:50:30,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:30,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:50:30,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:50:30,268 INFO L87 Difference]: Start difference. First operand 811 states and 1083 transitions. Second operand 13 states. [2020-10-15 02:50:32,413 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:50:32,646 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-15 02:50:33,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:50:33,736 INFO L93 Difference]: Finished difference Result 1443 states and 1959 transitions. [2020-10-15 02:50:33,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:50:33,736 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 125 [2020-10-15 02:50:33,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:50:33,741 INFO L225 Difference]: With dead ends: 1443 [2020-10-15 02:50:33,742 INFO L226 Difference]: Without dead ends: 823 [2020-10-15 02:50:33,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:50:33,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2020-10-15 02:50:33,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 823. [2020-10-15 02:50:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2020-10-15 02:50:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1092 transitions. [2020-10-15 02:50:33,826 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1092 transitions. Word has length 125 [2020-10-15 02:50:33,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:50:33,826 INFO L479 AbstractCegarLoop]: Abstraction has 823 states and 1092 transitions. [2020-10-15 02:50:33,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:50:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1092 transitions. [2020-10-15 02:50:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-15 02:50:33,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:50:33,828 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:50:33,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 02:50:33,829 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:50:33,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:50:33,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1080615641, now seen corresponding path program 1 times [2020-10-15 02:50:33,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:50:33,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129415482] [2020-10-15 02:50:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:50:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:33,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:34,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:34,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:38,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:38,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-15 02:50:38,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:50:38,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:50:38,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:38,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:50:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:50:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-15 02:50:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,047 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:50:39,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:39,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:50:39,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:39,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:39,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:39,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:39,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:50:39,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:39,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:39,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:50:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:39,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:50:39,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:50:39,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:39,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:39,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:39,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:50:39,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 02:50:39,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:50:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:50:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 02:50:39,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:39,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:39,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:50:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:50:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:50:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:50:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:39,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:50:39,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:50:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:39,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:39,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:39,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:50:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:39,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:50:39,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:39,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:50:39,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:39,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:39,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:39,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:39,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:39,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:39,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:50:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:39,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:39,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:50:39,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:50:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:39,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:39,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:50:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:50:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:39,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:39,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:39,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:39,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:50:39,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:39,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:50:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:39,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:50:39,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:50:39,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129415482] [2020-10-15 02:50:39,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:39,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 02:50:39,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737383341] [2020-10-15 02:50:39,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:50:39,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:39,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:50:39,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:50:39,482 INFO L87 Difference]: Start difference. First operand 823 states and 1092 transitions. Second operand 18 states. [2020-10-15 02:50:39,671 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-15 02:50:39,832 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:50:40,662 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 02:50:41,802 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-15 02:50:41,965 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 02:50:42,135 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 02:50:44,094 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 02:50:44,277 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 02:50:45,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:50:45,939 INFO L93 Difference]: Finished difference Result 2012 states and 2738 transitions. [2020-10-15 02:50:45,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 02:50:45,940 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 125 [2020-10-15 02:50:45,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:50:45,947 INFO L225 Difference]: With dead ends: 2012 [2020-10-15 02:50:45,947 INFO L226 Difference]: Without dead ends: 1380 [2020-10-15 02:50:45,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=435, Invalid=1371, Unknown=0, NotChecked=0, Total=1806 [2020-10-15 02:50:45,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2020-10-15 02:50:46,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1211. [2020-10-15 02:50:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1211 states. [2020-10-15 02:50:46,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1621 transitions. [2020-10-15 02:50:46,102 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1621 transitions. Word has length 125 [2020-10-15 02:50:46,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:50:46,103 INFO L479 AbstractCegarLoop]: Abstraction has 1211 states and 1621 transitions. [2020-10-15 02:50:46,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:50:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1621 transitions. [2020-10-15 02:50:46,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:50:46,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:50:46,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:50:46,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 02:50:46,106 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:50:46,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:50:46,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1362422882, now seen corresponding path program 1 times [2020-10-15 02:50:46,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:50:46,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064041646] [2020-10-15 02:50:46,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:50:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-15 02:50:46,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-15 02:50:46,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:50:46,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-10-15 02:50:46,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:50:46,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,470 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:50:46,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:46,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:50:46,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:46,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:46,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:46,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:46,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:46,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:46,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:46,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:46,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:50:46,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:50:46,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:46,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:46,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:50:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:46,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:50:46,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:46,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:46,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:50:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:46,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:46,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:46,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:46,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:46,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:46,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:50:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:46,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:46,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:50:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:46,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:46,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:50:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:46,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:46,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:50:46,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-15 02:50:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:46,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:46,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:46,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:46,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:46,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:50:46,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:46,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:46,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 02:50:46,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064041646] [2020-10-15 02:50:46,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:46,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:50:46,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63740217] [2020-10-15 02:50:46,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:50:46,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:46,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:50:46,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:50:46,736 INFO L87 Difference]: Start difference. First operand 1211 states and 1621 transitions. Second operand 13 states. [2020-10-15 02:50:48,245 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:50:48,396 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 02:50:49,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:50:49,168 INFO L93 Difference]: Finished difference Result 2179 states and 2977 transitions. [2020-10-15 02:50:49,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:50:49,169 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-15 02:50:49,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:50:49,175 INFO L225 Difference]: With dead ends: 2179 [2020-10-15 02:50:49,176 INFO L226 Difference]: Without dead ends: 1241 [2020-10-15 02:50:49,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:50:49,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-10-15 02:50:49,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1241. [2020-10-15 02:50:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2020-10-15 02:50:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1645 transitions. [2020-10-15 02:50:49,312 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1645 transitions. Word has length 132 [2020-10-15 02:50:49,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:50:49,313 INFO L479 AbstractCegarLoop]: Abstraction has 1241 states and 1645 transitions. [2020-10-15 02:50:49,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:50:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1645 transitions. [2020-10-15 02:50:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-15 02:50:49,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:50:49,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:50:49,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 02:50:49,316 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:50:49,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:50:49,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1691524251, now seen corresponding path program 1 times [2020-10-15 02:50:49,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:50:49,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22265979] [2020-10-15 02:50:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:50:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:49,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:49,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:49,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:49,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-15 02:50:54,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:50:54,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-15 02:50:54,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:50:54,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:50:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-15 02:50:54,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,533 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:50:54,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:50:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:54,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:50:54,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:54,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:54,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:50:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:50:54,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:54,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:50:54,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:50:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:54,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:54,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:50:54,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:50:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:50:54,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:50:54,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:54,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:50:54,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:54,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:54,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:54,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:50:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:50:54,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 02:50:54,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:50:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:50:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 02:50:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:54,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:50:54,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:50:54,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:50:54,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:50:54,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:50:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:50:54,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:50:54,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:50:54,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:54,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:54,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:54,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:50:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:50:54,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:50:54,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:50:54,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:50:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:54,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:54,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:54,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:54,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:50:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:50:54,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:50:54,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:50:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:50:54,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:50:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:50:54,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:54,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:50:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:50:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:54,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:54,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:54,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:50:54,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:50:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:54,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:50:54,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:50:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:50:54,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-15 02:50:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:50:54,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:50:54,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:50:54,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:50:54,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:50:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:50:54,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:50:54,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:50:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:50:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:50:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:50:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:50:54,943 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-15 02:50:54,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22265979] [2020-10-15 02:50:54,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:50:54,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 02:50:54,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119989740] [2020-10-15 02:50:54,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:50:54,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:50:54,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:50:54,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:50:54,945 INFO L87 Difference]: Start difference. First operand 1241 states and 1645 transitions. Second operand 18 states. [2020-10-15 02:50:55,137 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-15 02:50:55,298 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:50:56,117 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:50:57,265 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 02:50:58,906 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 02:50:59,627 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 02:50:59,777 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 02:50:59,977 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 02:51:01,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:51:01,452 INFO L93 Difference]: Finished difference Result 2246 states and 2999 transitions. [2020-10-15 02:51:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 02:51:01,455 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 133 [2020-10-15 02:51:01,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:51:01,462 INFO L225 Difference]: With dead ends: 2246 [2020-10-15 02:51:01,462 INFO L226 Difference]: Without dead ends: 1371 [2020-10-15 02:51:01,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=435, Invalid=1371, Unknown=0, NotChecked=0, Total=1806 [2020-10-15 02:51:01,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2020-10-15 02:51:01,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1241. [2020-10-15 02:51:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2020-10-15 02:51:01,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1642 transitions. [2020-10-15 02:51:01,600 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1642 transitions. Word has length 133 [2020-10-15 02:51:01,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:51:01,601 INFO L479 AbstractCegarLoop]: Abstraction has 1241 states and 1642 transitions. [2020-10-15 02:51:01,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:51:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1642 transitions. [2020-10-15 02:51:01,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-15 02:51:01,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:51:01,603 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] [2020-10-15 02:51:01,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 02:51:01,604 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:51:01,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:51:01,604 INFO L82 PathProgramCache]: Analyzing trace with hash 741204332, now seen corresponding path program 1 times [2020-10-15 02:51:01,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:51:01,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497531049] [2020-10-15 02:51:01,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:51:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:01,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:01,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:01,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-15 02:51:01,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:01,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-15 02:51:01,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:01,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:51:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-10-15 02:51:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:51:01,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:01,972 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:51:01,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:51:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:01,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:01,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:01,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:01,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:01,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:01,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:01,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:01,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:51:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:01,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:01,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:01,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:51:01,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:51:01,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:01,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:01,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:01,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:01,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:51:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:01,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:01,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:01,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:01,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:01,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:01,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:01,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:01,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:51:02,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:51:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:51:02,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:02,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:02,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:02,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:51:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:51:02,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:02,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:02,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:02,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:51:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:51:02,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:02,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:02,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:51:02,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:51:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:51:02,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:51:02,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:02,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:02,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:51:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:02,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:02,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:51:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:02,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:02,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:51:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:02,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:02,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:51:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:02,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:02,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-15 02:51:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:02,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:02,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-15 02:51:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:02,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:02,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:02,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:02,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:02,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:02,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:02,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:02,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 02:51:02,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497531049] [2020-10-15 02:51:02,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:51:02,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:51:02,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495583328] [2020-10-15 02:51:02,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:51:02,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:51:02,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:51:02,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:51:02,258 INFO L87 Difference]: Start difference. First operand 1241 states and 1642 transitions. Second operand 13 states. [2020-10-15 02:51:03,773 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:51:03,919 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-15 02:51:04,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:51:04,704 INFO L93 Difference]: Finished difference Result 2224 states and 2980 transitions. [2020-10-15 02:51:04,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:51:04,704 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 140 [2020-10-15 02:51:04,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:51:04,709 INFO L225 Difference]: With dead ends: 2224 [2020-10-15 02:51:04,709 INFO L226 Difference]: Without dead ends: 1265 [2020-10-15 02:51:04,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:51:04,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2020-10-15 02:51:04,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1265. [2020-10-15 02:51:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2020-10-15 02:51:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1660 transitions. [2020-10-15 02:51:04,843 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1660 transitions. Word has length 140 [2020-10-15 02:51:04,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:51:04,843 INFO L479 AbstractCegarLoop]: Abstraction has 1265 states and 1660 transitions. [2020-10-15 02:51:04,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:51:04,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1660 transitions. [2020-10-15 02:51:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-15 02:51:04,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:51:04,846 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:51:04,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 02:51:04,846 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:51:04,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:51:04,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1314670293, now seen corresponding path program 1 times [2020-10-15 02:51:04,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:51:04,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354521683] [2020-10-15 02:51:04,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:51:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:04,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 02:51:05,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:51:05,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 652 [2020-10-15 02:51:05,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:51:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:51:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-15 02:51:05,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:51:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:05,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:05,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:05,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:05,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:05,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:05,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:05,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:51:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:05,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:51:05,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:05,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:05,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:51:05,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:51:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:05,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:05,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:05,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:05,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:05,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:05,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:51:05,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:51:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:05,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:51:05,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:51:05,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:51:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:51:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:51:05,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:05,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:05,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:05,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:51:05,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:51:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:51:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:51:05,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:51:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:05,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:51:05,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:05,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:51:05,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:51:05,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:05,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:05,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:05,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:05,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:05,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:51:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:05,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:51:05,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:05,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:51:05,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:05,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:05,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:51:05,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:05,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:05,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:05,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:05,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:05,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:51:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:05,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:05,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:05,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:51:05,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:05,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:51:05,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:05,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:05,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:05,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:05,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:51:05,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:05,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:06,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:06,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:06,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:06,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:06,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:06,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:06,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:06,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:51:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:06,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:06,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:06,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:06,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:06,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:06,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:06,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:06,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:06,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:51:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:06,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:06,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:06,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:06,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:06,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:51:06,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:06,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:51:06,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:51:06,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:51:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:06,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:06,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:06,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:06,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:06,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:51:06,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:06,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:51:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:51:06,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:06,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:51:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:06,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:06,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:06,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:06,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:06,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:06,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:51:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:06,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:06,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-15 02:51:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:06,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:06,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:06,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:06,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:06,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:06,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:06,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:51:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:06,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-15 02:51:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:06,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:06,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:06,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:06,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:06,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:06,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:06,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:51:06,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:06,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:06,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-15 02:51:06,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354521683] [2020-10-15 02:51:06,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:51:06,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 02:51:06,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855404222] [2020-10-15 02:51:06,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:51:06,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:51:06,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:51:06,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:51:06,100 INFO L87 Difference]: Start difference. First operand 1265 states and 1660 transitions. Second operand 18 states. [2020-10-15 02:51:06,418 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 134 [2020-10-15 02:51:06,590 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 02:51:07,028 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 02:51:08,508 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 02:51:08,663 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 02:51:08,809 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 02:51:10,320 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 02:51:10,473 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:51:12,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:51:12,693 INFO L93 Difference]: Finished difference Result 2386 states and 3199 transitions. [2020-10-15 02:51:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-15 02:51:12,694 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 141 [2020-10-15 02:51:12,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:51:12,701 INFO L225 Difference]: With dead ends: 2386 [2020-10-15 02:51:12,701 INFO L226 Difference]: Without dead ends: 1439 [2020-10-15 02:51:12,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=410, Invalid=1230, Unknown=0, NotChecked=0, Total=1640 [2020-10-15 02:51:12,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2020-10-15 02:51:12,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1265. [2020-10-15 02:51:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2020-10-15 02:51:12,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1657 transitions. [2020-10-15 02:51:12,836 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1657 transitions. Word has length 141 [2020-10-15 02:51:12,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:51:12,836 INFO L479 AbstractCegarLoop]: Abstraction has 1265 states and 1657 transitions. [2020-10-15 02:51:12,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:51:12,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1657 transitions. [2020-10-15 02:51:12,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-15 02:51:12,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:51:12,840 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] [2020-10-15 02:51:12,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 02:51:12,840 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:51:12,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:51:12,841 INFO L82 PathProgramCache]: Analyzing trace with hash 981502446, now seen corresponding path program 1 times [2020-10-15 02:51:12,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:51:12,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506958712] [2020-10-15 02:51:12,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:51:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:12,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-15 02:51:13,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:51:13,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 575 [2020-10-15 02:51:13,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:51:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-15 02:51:13,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-15 02:51:13,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,595 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:51:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:51:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:13,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:13,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:51:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:51:13,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:13,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:51:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:13,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:13,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:51:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:51:13,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:13,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:13,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:13,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:51:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:51:13,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:51:13,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:51:13,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:51:13,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:13,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:13,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:51:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:51:13,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:51:13,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:13,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:51:13,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:13,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:13,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:51:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:51:13,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:51:13,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:13,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:51:13,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:13,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:13,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:51:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:13,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:13,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 02:51:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-15 02:51:13,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:51:13,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-15 02:51:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:51:13,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:51:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:13,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:13,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 02:51:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:13,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:13,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 02:51:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:13,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:13,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:51:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:13,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:13,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:51:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:13,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:13,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:51:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:13,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:13,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:13,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:13,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:13,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:13,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-15 02:51:13,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506958712] [2020-10-15 02:51:13,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:51:13,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 02:51:13,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783273374] [2020-10-15 02:51:13,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 02:51:13,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:51:13,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 02:51:13,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-15 02:51:13,930 INFO L87 Difference]: Start difference. First operand 1265 states and 1657 transitions. Second operand 14 states. [2020-10-15 02:51:14,074 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 02:51:14,969 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:51:19,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:51:19,597 INFO L93 Difference]: Finished difference Result 3986 states and 5306 transitions. [2020-10-15 02:51:19,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-15 02:51:19,598 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 147 [2020-10-15 02:51:19,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:51:19,611 INFO L225 Difference]: With dead ends: 3986 [2020-10-15 02:51:19,611 INFO L226 Difference]: Without dead ends: 3026 [2020-10-15 02:51:19,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2020-10-15 02:51:19,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3026 states. [2020-10-15 02:51:19,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3026 to 2878. [2020-10-15 02:51:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2878 states. [2020-10-15 02:51:19,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2878 states and 3777 transitions. [2020-10-15 02:51:19,913 INFO L78 Accepts]: Start accepts. Automaton has 2878 states and 3777 transitions. Word has length 147 [2020-10-15 02:51:19,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:51:19,914 INFO L479 AbstractCegarLoop]: Abstraction has 2878 states and 3777 transitions. [2020-10-15 02:51:19,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 02:51:19,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2878 states and 3777 transitions. [2020-10-15 02:51:19,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-15 02:51:19,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:51:19,917 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] [2020-10-15 02:51:19,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 02:51:19,917 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:51:19,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:51:19,917 INFO L82 PathProgramCache]: Analyzing trace with hash -261787196, now seen corresponding path program 1 times [2020-10-15 02:51:19,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:51:19,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404837869] [2020-10-15 02:51:19,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:51:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:19,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 02:51:20,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:51:20,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 441 [2020-10-15 02:51:20,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:51:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-15 02:51:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-15 02:51:20,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,528 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:51:20,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:51:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:20,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:20,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:51:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:51:20,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:51:20,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:51:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:20,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:20,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:51:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:51:20,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:20,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:20,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:20,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:51:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:51:20,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:51:20,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:51:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:51:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:20,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:51:20,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:51:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:51:20,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:51:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:51:20,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:51:20,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:51:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:20,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:20,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:51:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:51:20,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:51:20,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:20,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:51:20,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:20,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:20,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:51:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:20,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:20,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 02:51:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 02:51:20,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:51:20,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:51:20,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-15 02:51:20,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 02:51:20,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:51:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:20,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:20,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:51:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:20,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:20,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 02:51:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:20,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:20,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:20,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:51:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:20,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:20,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:51:20,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:51:20,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 02:51:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:20,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:51:20,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:51:20,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 02:51:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:20,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:20,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:20,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:20,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:20,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:20,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:20,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:20,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:20,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:20,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:51:20,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 02:51:20,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404837869] [2020-10-15 02:51:20,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:51:20,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 02:51:20,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071985593] [2020-10-15 02:51:20,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:51:20,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:51:20,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:51:20,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:51:20,976 INFO L87 Difference]: Start difference. First operand 2878 states and 3777 transitions. Second operand 18 states. [2020-10-15 02:51:21,182 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-15 02:51:21,349 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-15 02:51:22,540 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-15 02:51:24,825 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 02:51:24,983 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 02:51:25,162 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 02:51:25,328 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 02:51:25,489 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 02:51:25,651 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 02:51:27,249 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-15 02:51:29,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:51:29,892 INFO L93 Difference]: Finished difference Result 5449 states and 7325 transitions. [2020-10-15 02:51:29,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-15 02:51:29,893 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 148 [2020-10-15 02:51:29,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:51:29,908 INFO L225 Difference]: With dead ends: 5449 [2020-10-15 02:51:29,908 INFO L226 Difference]: Without dead ends: 3203 [2020-10-15 02:51:29,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=470, Invalid=1692, Unknown=0, NotChecked=0, Total=2162 [2020-10-15 02:51:29,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2020-10-15 02:51:30,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 2596. [2020-10-15 02:51:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2596 states. [2020-10-15 02:51:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 3379 transitions. [2020-10-15 02:51:30,218 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 3379 transitions. Word has length 148 [2020-10-15 02:51:30,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:51:30,219 INFO L479 AbstractCegarLoop]: Abstraction has 2596 states and 3379 transitions. [2020-10-15 02:51:30,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:51:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3379 transitions. [2020-10-15 02:51:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-15 02:51:30,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:51:30,221 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-15 02:51:30,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 02:51:30,222 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:51:30,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:51:30,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1700965179, now seen corresponding path program 1 times [2020-10-15 02:51:30,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:51:30,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934829714] [2020-10-15 02:51:30,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:51:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:30,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:30,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:30,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:30,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-15 02:51:35,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:51:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-15 02:51:35,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:51:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:51:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-15 02:51:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,466 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:51:35,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:51:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:35,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:35,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:35,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:35,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:51:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:51:35,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:35,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:51:35,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:51:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:35,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:35,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:51:35,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:51:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:51:35,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:51:35,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:51:35,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:35,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:35,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:51:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:51:35,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 02:51:35,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:51:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:51:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 02:51:35,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:35,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:51:35,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:51:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:51:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:51:35,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:51:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:51:35,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:51:35,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:51:35,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:35,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:35,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:35,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:51:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:51:35,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:51:35,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:51:35,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:35,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:35,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:35,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:51:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:35,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:35,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:35,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:51:35,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:51:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:35,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:51:35,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:51:35,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:51:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:35,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:51:35,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:51:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:51:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:35,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:35,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:51:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:51:35,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-15 02:51:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:35,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:35,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:51:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-15 02:51:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:35,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:35,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:51:35,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:35,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 02:51:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:35,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:35,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:35,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:35,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:35,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:35,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:35,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:35,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:35,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:51:35,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:35,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-15 02:51:35,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934829714] [2020-10-15 02:51:35,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:51:35,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 02:51:35,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276485095] [2020-10-15 02:51:35,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:51:35,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:51:35,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:51:35,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:51:35,906 INFO L87 Difference]: Start difference. First operand 2596 states and 3379 transitions. Second operand 18 states. [2020-10-15 02:51:36,102 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-15 02:51:36,263 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:51:37,122 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:51:38,357 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-15 02:51:38,527 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 02:51:38,683 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 02:51:40,308 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 02:51:40,491 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 02:51:41,039 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-15 02:51:42,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:51:42,913 INFO L93 Difference]: Finished difference Result 4956 states and 6577 transitions. [2020-10-15 02:51:42,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 02:51:42,917 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 149 [2020-10-15 02:51:42,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:51:42,931 INFO L225 Difference]: With dead ends: 4956 [2020-10-15 02:51:42,931 INFO L226 Difference]: Without dead ends: 2992 [2020-10-15 02:51:42,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=435, Invalid=1371, Unknown=0, NotChecked=0, Total=1806 [2020-10-15 02:51:42,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2020-10-15 02:51:43,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2596. [2020-10-15 02:51:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2596 states. [2020-10-15 02:51:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 3374 transitions. [2020-10-15 02:51:43,172 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 3374 transitions. Word has length 149 [2020-10-15 02:51:43,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:51:43,172 INFO L479 AbstractCegarLoop]: Abstraction has 2596 states and 3374 transitions. [2020-10-15 02:51:43,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:51:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3374 transitions. [2020-10-15 02:51:43,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-15 02:51:43,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:51:43,174 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] [2020-10-15 02:51:43,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-15 02:51:43,175 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:51:43,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:51:43,175 INFO L82 PathProgramCache]: Analyzing trace with hash -314853532, now seen corresponding path program 1 times [2020-10-15 02:51:43,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:51:43,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081446031] [2020-10-15 02:51:43,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:51:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:43,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:43,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:43,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-15 02:51:43,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:43,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-10-15 02:51:43,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:43,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:43,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:51:43,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-15 02:51:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-15 02:51:43,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:43,749 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:51:43,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:51:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:43,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:43,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:43,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:43,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:51:43,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:43,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:43,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:51:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:43,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:43,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:43,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:51:43,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:43,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:43,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:43,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:43,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:43,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:43,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:43,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:43,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:51:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:43,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:43,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:43,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:43,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:43,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:43,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:43,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:43,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:43,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:51:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:43,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:43,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:43,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:51:43,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:43,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:51:43,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:43,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:43,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:43,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:43,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:43,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:43,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:43,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:43,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:43,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:43,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:43,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:43,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:43,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:51:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:43,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:43,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:43,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:51:43,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:43,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:51:43,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:43,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:43,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:43,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:43,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:43,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:43,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:43,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:43,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:43,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:43,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:43,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:43,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:43,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:43,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:51:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:43,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:43,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:43,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:51:43,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:43,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:51:43,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:43,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:51:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:51:43,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:43,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:43,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:43,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:43,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:43,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:43,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:43,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:43,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:43,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:51:43,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:43,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:51:43,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 02:51:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:44,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:44,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:44,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:51:44,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:44,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:51:44,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:44,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:44,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:51:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:51:44,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:51:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:44,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:44,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:44,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:44,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:44,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:44,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:44,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:44,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:44,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:44,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:44,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:51:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:44,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:44,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:44,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:51:44,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:44,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:44,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:44,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:44,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 02:51:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:44,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:44,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:44,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-15 02:51:44,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:44,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:51:44,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:44,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:44,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:51:44,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-15 02:51:44,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 02:51:44,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:51:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:44,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:44,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:44,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:44,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:44,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:44,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:44,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:44,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:44,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:44,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:44,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 02:51:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:44,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:44,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:44,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:44,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:44,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:44,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:44,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:44,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 02:51:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:44,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:44,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:44,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:44,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:44,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:51:44,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:44,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:44,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:51:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:44,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:44,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:44,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:44,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:44,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:44,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:44,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:44,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:51:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:44,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:44,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:44,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:51:44,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:44,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:51:44,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:44,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:51:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:51:44,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:51:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:44,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:51:44,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:51:44,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:51:44,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:51:44,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:51:44,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:51:44,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:51:44,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:51:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:51:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:51:44,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:51:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 02:51:44,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081446031] [2020-10-15 02:51:44,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:51:44,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 02:51:44,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437666914] [2020-10-15 02:51:44,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:51:44,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:51:44,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:51:44,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:51:44,244 INFO L87 Difference]: Start difference. First operand 2596 states and 3374 transitions. Second operand 18 states. [2020-10-15 02:51:44,450 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 02:51:44,626 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-15 02:51:45,135 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-15 02:51:46,423 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-15 02:51:47,970 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 02:51:48,140 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-15 02:51:48,319 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 02:51:48,780 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-10-15 02:51:48,956 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-15 02:51:49,278 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2020-10-15 02:51:51,779 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 02:51:54,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:51:54,765 INFO L93 Difference]: Finished difference Result 4499 states and 5969 transitions. [2020-10-15 02:51:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-15 02:51:54,766 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 149 [2020-10-15 02:51:54,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:51:54,779 INFO L225 Difference]: With dead ends: 4499 [2020-10-15 02:51:54,779 INFO L226 Difference]: Without dead ends: 2708 [2020-10-15 02:51:54,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=503, Invalid=1849, Unknown=0, NotChecked=0, Total=2352 [2020-10-15 02:51:54,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2020-10-15 02:51:55,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 2382. [2020-10-15 02:51:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2382 states. [2020-10-15 02:51:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 3075 transitions. [2020-10-15 02:51:55,197 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 3075 transitions. Word has length 149 [2020-10-15 02:51:55,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:51:55,197 INFO L479 AbstractCegarLoop]: Abstraction has 2382 states and 3075 transitions. [2020-10-15 02:51:55,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:51:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 3075 transitions. [2020-10-15 02:51:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 02:51:55,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:51:55,200 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, 1] [2020-10-15 02:51:55,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-15 02:51:55,201 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:51:55,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:51:55,201 INFO L82 PathProgramCache]: Analyzing trace with hash 712531577, now seen corresponding path program 1 times [2020-10-15 02:51:55,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:51:55,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872164577] [2020-10-15 02:51:55,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:51:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 02:51:55,262 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 02:51:55,262 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 02:51:55,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 02:51:55,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:51:55 BoogieIcfgContainer [2020-10-15 02:51:55,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 02:51:55,354 INFO L168 Benchmark]: Toolchain (without parser) took 150312.28 ms. Allocated memory was 144.7 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 99.8 MB in the beginning and 524.7 MB in the end (delta: -424.9 MB). Peak memory consumption was 853.3 MB. Max. memory is 7.1 GB. [2020-10-15 02:51:55,354 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 118.8 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. [2020-10-15 02:51:55,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.87 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 99.8 MB in the beginning and 173.8 MB in the end (delta: -74.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-10-15 02:51:55,356 INFO L168 Benchmark]: Boogie Preprocessor took 67.51 ms. Allocated memory is still 201.3 MB. Free memory was 173.8 MB in the beginning and 170.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-15 02:51:55,356 INFO L168 Benchmark]: RCFGBuilder took 855.54 ms. Allocated memory is still 201.3 MB. Free memory was 170.5 MB in the beginning and 108.1 MB in the end (delta: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. [2020-10-15 02:51:55,357 INFO L168 Benchmark]: TraceAbstraction took 148793.91 ms. Allocated memory was 201.3 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 107.0 MB in the beginning and 524.7 MB in the end (delta: -417.7 MB). Peak memory consumption was 803.9 MB. Max. memory is 7.1 GB. [2020-10-15 02:51:55,359 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 118.8 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 588.87 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 99.8 MB in the beginning and 173.8 MB in the end (delta: -74.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.51 ms. Allocated memory is still 201.3 MB. Free memory was 173.8 MB in the beginning and 170.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 855.54 ms. Allocated memory is still 201.3 MB. Free memory was 170.5 MB in the beginning and 108.1 MB in the end (delta: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 148793.91 ms. Allocated memory was 201.3 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 107.0 MB in the beginning and 524.7 MB in the end (delta: -417.7 MB). Peak memory consumption was 803.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 664]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L69] msg_t nomsg = (msg_t )-1; [L70] port_t cs1 ; [L71] int8_t cs1_old ; [L72] int8_t cs1_new ; [L73] port_t cs2 ; [L74] int8_t cs2_old ; [L75] int8_t cs2_new ; [L76] port_t s1s2 ; [L77] int8_t s1s2_old ; [L78] int8_t s1s2_new ; [L79] port_t s1s1 ; [L80] int8_t s1s1_old ; [L81] int8_t s1s1_new ; [L82] port_t s2s1 ; [L83] int8_t s2s1_old ; [L84] int8_t s2s1_new ; [L85] port_t s2s2 ; [L86] int8_t s2s2_old ; [L87] int8_t s2s2_new ; [L88] port_t s1p ; [L89] int8_t s1p_old ; [L90] int8_t s1p_new ; [L91] port_t s2p ; [L92] int8_t s2p_old ; [L93] int8_t s2p_new ; [L96] _Bool side1Failed ; [L97] _Bool side2Failed ; [L98] msg_t side1_written ; [L99] msg_t side2_written ; [L105] static _Bool side1Failed_History_0 ; [L106] static _Bool side1Failed_History_1 ; [L107] static _Bool side1Failed_History_2 ; [L108] static _Bool side2Failed_History_0 ; [L109] static _Bool side2Failed_History_1 ; [L110] static _Bool side2Failed_History_2 ; [L111] static int8_t active_side_History_0 ; [L112] static int8_t active_side_History_1 ; [L113] static int8_t active_side_History_2 ; [L114] static msg_t manual_selection_History_0 ; [L115] static msg_t manual_selection_History_1 ; [L116] static msg_t manual_selection_History_2 ; [L466] void (*nodes[4])(void) = { & Console_task_each_pals_period, & Side1_activestandby_task_each_pals_period, & Side2_activestandby_task_each_pals_period, & Pendulum_prism_task_each_pals_period}; [L588] int c1 ; [L589] int i2 ; [L592] c1 = 0 [L593] side1Failed = __VERIFIER_nondet_bool() [L594] side2Failed = __VERIFIER_nondet_bool() [L595] side1_written = __VERIFIER_nondet_char() [L596] side2_written = __VERIFIER_nondet_char() [L597] side1Failed_History_0 = __VERIFIER_nondet_bool() [L598] side1Failed_History_1 = __VERIFIER_nondet_bool() [L599] side1Failed_History_2 = __VERIFIER_nondet_bool() [L600] side2Failed_History_0 = __VERIFIER_nondet_bool() [L601] side2Failed_History_1 = __VERIFIER_nondet_bool() [L602] side2Failed_History_2 = __VERIFIER_nondet_bool() [L603] active_side_History_0 = __VERIFIER_nondet_char() [L604] active_side_History_1 = __VERIFIER_nondet_char() [L605] active_side_History_2 = __VERIFIER_nondet_char() [L606] manual_selection_History_0 = __VERIFIER_nondet_char() [L607] manual_selection_History_1 = __VERIFIER_nondet_char() [L608] manual_selection_History_2 = __VERIFIER_nondet_char() [L609] CALL, EXPR init() [L242] COND FALSE !((int )side1Failed_History_0 != 0) [L245] COND FALSE !((int )side2Failed_History_0 != 0) [L248] COND FALSE !((int )active_side_History_0 != -2) [L251] COND FALSE !((int )manual_selection_History_0 != 0) [L254] COND FALSE !((int )side1Failed_History_1 != 0) [L257] COND FALSE !((int )side2Failed_History_1 != 0) [L260] COND FALSE !((int )active_side_History_1 != -2) [L263] COND FALSE !((int )manual_selection_History_1 != 0) [L266] COND FALSE !((int )side1Failed_History_2 != 0) [L269] COND FALSE !((int )side2Failed_History_2 != 0) [L272] COND FALSE !((int )active_side_History_2 != -2) [L275] COND FALSE !((int )manual_selection_History_2 != 0) [L278] return (1); [L609] RET, EXPR init() [L609] i2 = init() [L610] CALL assume_abort_if_not(i2) [L103] COND FALSE !(!cond) [L610] RET assume_abort_if_not(i2) [L611] cs1_old = nomsg [L612] cs1_new = nomsg [L613] cs2_old = nomsg [L614] cs2_new = nomsg [L615] s1s2_old = nomsg [L616] s1s2_new = nomsg [L617] s1s1_old = nomsg [L618] s1s1_new = nomsg [L619] s2s1_old = nomsg [L620] s2s1_new = nomsg [L621] s2s2_old = nomsg [L622] s2s2_new = nomsg [L623] s1p_old = nomsg [L624] s1p_new = nomsg [L625] s2p_old = nomsg [L626] s2p_new = nomsg [L627] i2 = 0 [L628] COND TRUE 1 [L630] CALL Console_task_each_pals_period() [L296] msg_t manual_selection ; [L297] char tmp ; [L300] tmp = __VERIFIER_nondet_char() [L301] manual_selection = tmp [L302] CALL write_manual_selection_history(manual_selection) [L212] manual_selection_History_2 = manual_selection_History_1 [L213] manual_selection_History_1 = manual_selection_History_0 [L214] manual_selection_History_0 = val [L302] RET write_manual_selection_history(manual_selection) [L303] EXPR manual_selection != nomsg && cs1_new == nomsg ? manual_selection : cs1_new [L303] cs1_new = manual_selection != nomsg && cs1_new == nomsg ? manual_selection : cs1_new [L304] EXPR manual_selection != nomsg && cs2_new == nomsg ? manual_selection : cs2_new [L304] cs2_new = manual_selection != nomsg && cs2_new == nomsg ? manual_selection : cs2_new [L305] manual_selection = (msg_t )0 [L630] RET Console_task_each_pals_period() [L631] CALL Side1_activestandby_task_each_pals_period() [L311] int8_t side1 ; [L312] int8_t side2 ; [L313] msg_t manual_selection ; [L314] int8_t next_state ; [L317] side1 = nomsg [L318] side2 = nomsg [L319] manual_selection = (msg_t )0 [L320] side1Failed = __VERIFIER_nondet_bool() [L321] CALL write_side1_failed_history(side1Failed) [L122] side1Failed_History_2 = side1Failed_History_1 [L123] side1Failed_History_1 = side1Failed_History_0 [L124] side1Failed_History_0 = val [L321] RET write_side1_failed_history(side1Failed) [L322] COND FALSE !(\read(side1Failed)) [L329] side1 = s1s1_old [L330] s1s1_old = nomsg [L331] side2 = s2s1_old [L332] s2s1_old = nomsg [L333] manual_selection = cs1_old [L334] cs1_old = nomsg [L335] COND TRUE (int )side1 == (int )side2 [L336] next_state = (int8_t )1 [L359] EXPR next_state != nomsg && s1s1_new == nomsg ? next_state : s1s1_new [L359] s1s1_new = next_state != nomsg && s1s1_new == nomsg ? next_state : s1s1_new [L360] EXPR next_state != nomsg && s1s2_new == nomsg ? next_state : s1s2_new [L360] s1s2_new = next_state != nomsg && s1s2_new == nomsg ? next_state : s1s2_new [L361] EXPR next_state != nomsg && s1p_new == nomsg ? next_state : s1p_new [L361] s1p_new = next_state != nomsg && s1p_new == nomsg ? next_state : s1p_new [L362] side1_written = next_state [L631] RET Side1_activestandby_task_each_pals_period() [L632] CALL Side2_activestandby_task_each_pals_period() [L368] int8_t side1 ; [L369] int8_t side2 ; [L370] msg_t manual_selection ; [L371] int8_t next_state ; [L374] side1 = nomsg [L375] side2 = nomsg [L376] manual_selection = (msg_t )0 [L377] side2Failed = __VERIFIER_nondet_bool() [L378] CALL write_side2_failed_history(side2Failed) [L152] side2Failed_History_2 = side2Failed_History_1 [L153] side2Failed_History_1 = side2Failed_History_0 [L154] side2Failed_History_0 = val [L378] RET write_side2_failed_history(side2Failed) [L379] COND FALSE !(\read(side2Failed)) [L386] side1 = s1s2_old [L387] s1s2_old = nomsg [L388] side2 = s2s2_old [L389] s2s2_old = nomsg [L390] manual_selection = cs2_old [L391] cs2_old = nomsg [L392] COND TRUE (int )side1 == (int )side2 [L393] next_state = (int8_t )1 [L416] EXPR next_state != nomsg && s2s1_new == nomsg ? next_state : s2s1_new [L416] s2s1_new = next_state != nomsg && s2s1_new == nomsg ? next_state : s2s1_new [L417] EXPR next_state != nomsg && s2s2_new == nomsg ? next_state : s2s2_new [L417] s2s2_new = next_state != nomsg && s2s2_new == nomsg ? next_state : s2s2_new [L418] EXPR next_state != nomsg && s2p_new == nomsg ? next_state : s2p_new [L418] s2p_new = next_state != nomsg && s2p_new == nomsg ? next_state : s2p_new [L419] side2_written = next_state [L632] RET Side2_activestandby_task_each_pals_period() [L633] CALL Pendulum_prism_task_each_pals_period() [L425] int8_t active_side ; [L426] int8_t tmp ; [L427] int8_t side1 ; [L428] int8_t side2 ; [L431] CALL, EXPR read_active_side_history((unsigned char)0) [L193] COND TRUE (int )index == 0 [L194] return (active_side_History_0); [L431] RET, EXPR read_active_side_history((unsigned char)0) [L431] tmp = read_active_side_history((unsigned char)0) [L432] active_side = tmp [L433] side1 = nomsg [L434] side2 = nomsg [L435] side1 = s1p_old [L436] s1p_old = nomsg [L437] side2 = s2p_old [L438] s2p_old = nomsg [L439] COND FALSE !((int )side1 == 1) [L442] COND FALSE !((int )side2 == 1) [L445] COND FALSE !((int )side1 == 0) [L453] COND TRUE (int )side1 == (int )nomsg [L454] COND FALSE !((int )side2 == 0) [L457] active_side = (int8_t )0 [L462] CALL write_active_side_history(active_side) [L182] active_side_History_2 = active_side_History_1 [L183] active_side_History_1 = active_side_History_0 [L184] active_side_History_0 = val [L462] RET write_active_side_history(active_side) [L633] RET Pendulum_prism_task_each_pals_period() [L634] cs1_old = cs1_new [L635] cs1_new = nomsg [L636] cs2_old = cs2_new [L637] cs2_new = nomsg [L638] s1s2_old = s1s2_new [L639] s1s2_new = nomsg [L640] s1s1_old = s1s1_new [L641] s1s1_new = nomsg [L642] s2s1_old = s2s1_new [L643] s2s1_new = nomsg [L644] s2s2_old = s2s2_new [L645] s2s2_new = nomsg [L646] s1p_old = s1p_new [L647] s1p_new = nomsg [L648] s2p_old = s2p_new [L649] s2p_new = nomsg [L650] CALL, EXPR check() [L469] int tmp ; [L470] msg_t tmp___0 ; [L471] _Bool tmp___1 ; [L472] _Bool tmp___2 ; [L473] _Bool tmp___3 ; [L474] _Bool tmp___4 ; [L475] int8_t tmp___5 ; [L476] _Bool tmp___6 ; [L477] _Bool tmp___7 ; [L478] _Bool tmp___8 ; [L479] int8_t tmp___9 ; [L480] _Bool tmp___10 ; [L481] _Bool tmp___11 ; [L482] _Bool tmp___12 ; [L483] msg_t tmp___13 ; [L484] _Bool tmp___14 ; [L485] _Bool tmp___15 ; [L486] _Bool tmp___16 ; [L487] _Bool tmp___17 ; [L488] int8_t tmp___18 ; [L489] int8_t tmp___19 ; [L490] int8_t tmp___20 ; [L493] COND TRUE ! side1Failed [L494] tmp = 1 [L501] CALL assume_abort_if_not((_Bool )tmp) [L103] COND FALSE !(!cond) [L501] RET assume_abort_if_not((_Bool )tmp) [L502] CALL, EXPR read_manual_selection_history((unsigned char)1) [L223] COND FALSE !((int )index == 0) [L226] COND TRUE (int )index == 1 [L227] return (manual_selection_History_1); [L502] RET, EXPR read_manual_selection_history((unsigned char)1) [L502] tmp___0 = read_manual_selection_history((unsigned char)1) [L503] COND TRUE ! tmp___0 [L504] CALL, EXPR read_side1_failed_history((unsigned char)1) [L133] COND FALSE !((int )index == 0) [L136] COND TRUE (int )index == 1 [L137] return (side1Failed_History_1); [L504] RET, EXPR read_side1_failed_history((unsigned char)1) [L504] tmp___1 = read_side1_failed_history((unsigned char)1) [L505] COND TRUE ! tmp___1 [L506] CALL, EXPR read_side1_failed_history((unsigned char)0) [L133] COND TRUE (int )index == 0 [L134] return (side1Failed_History_0); [L506] RET, EXPR read_side1_failed_history((unsigned char)0) [L506] tmp___2 = read_side1_failed_history((unsigned char)0) [L507] COND TRUE ! tmp___2 [L508] CALL, EXPR read_side2_failed_history((unsigned char)1) [L163] COND FALSE !((int )index == 0) [L166] COND TRUE (int )index == 1 [L167] return (side2Failed_History_1); [L508] RET, EXPR read_side2_failed_history((unsigned char)1) [L508] tmp___3 = read_side2_failed_history((unsigned char)1) [L509] COND TRUE ! tmp___3 [L510] CALL, EXPR read_side2_failed_history((unsigned char)0) [L163] COND TRUE (int )index == 0 [L164] return (side2Failed_History_0); [L510] RET, EXPR read_side2_failed_history((unsigned char)0) [L510] tmp___4 = read_side2_failed_history((unsigned char)0) [L511] COND TRUE ! tmp___4 [L512] COND FALSE !(! ((int )side1_written == 1)) [L517] COND FALSE !(! (! ((int )side1_written == 0))) [L522] COND TRUE ! (! ((int )side1_written == 1)) [L523] COND TRUE ! ((int )side2_written == 0) [L524] return (0); [L650] RET, EXPR check() [L650] c1 = check() [L651] CALL assert(c1) [L662] COND TRUE ! arg [L664] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 148.6s, OverallIterations: 24, TraceHistogramMax: 3, AutomataDifference: 100.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6900 SDtfs, 29749 SDslu, 3509 SDs, 0 SdLazy, 39465 SolverSat, 11271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1340 GetRequests, 666 SyntacticMatches, 7 SemanticMatches, 667 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3989 ImplicationChecksByTransitivity, 39.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2878occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 23 MinimizatonAttempts, 2035 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 43.4s InterpolantComputationTime, 2884 NumberOfCodeBlocks, 2884 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2711 ConstructedInterpolants, 0 QuantifiedInterpolants, 1326492 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 22 PerfectInterpolantSequences, 151/155 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...