/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=BIGGEST --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/product-lines/minepump_spec2_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:51:42,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:51:42,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:51:42,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:51:42,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:51:42,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:51:42,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:51:42,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:51:42,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:51:42,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:51:42,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:51:42,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:51:42,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:51:42,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:51:42,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:51:42,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:51:42,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:51:42,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:51:42,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:51:42,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:51:42,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:51:42,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:51:42,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:51:42,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:51:42,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:51:42,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:51:42,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:51:42,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:51:42,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:51:42,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:51:42,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:51:42,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:51:42,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:51:42,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:51:42,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:51:42,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:51:42,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:51:42,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:51:42,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:51:42,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:51:42,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:51:42,860 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 [2020-10-12 17:51:42,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:51:42,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:51:42,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:51:42,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:51:42,887 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:51:42,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:51:42,888 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:51:42,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:51:42,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:51:42,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:51:42,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:51:42,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:51:42,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:51:42,889 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:51:42,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:51:42,889 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:51:42,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:51:42,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:51:42,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:51:42,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:51:42,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:51:42,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:51:42,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:51:42,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:51:42,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:51:42,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:51:42,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:51:42,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:51:42,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:51:42,894 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:51:43,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:51:43,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:51:43,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:51:43,226 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:51:43,226 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:51:43,227 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c [2020-10-12 17:51:43,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/500276c51/dc38749a65954094ae6b648212604701/FLAG1afb2d556 [2020-10-12 17:51:43,808 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:51:43,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c [2020-10-12 17:51:43,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/500276c51/dc38749a65954094ae6b648212604701/FLAG1afb2d556 [2020-10-12 17:51:44,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/500276c51/dc38749a65954094ae6b648212604701 [2020-10-12 17:51:44,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:51:44,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:51:44,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:51:44,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:51:44,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:51:44,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:51:44" (1/1) ... [2020-10-12 17:51:44,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27048747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44, skipping insertion in model container [2020-10-12 17:51:44,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:51:44" (1/1) ... [2020-10-12 17:51:44,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:51:44,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:51:44,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:51:44,629 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:51:44,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:51:44,744 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:51:44,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44 WrapperNode [2020-10-12 17:51:44,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:51:44,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:51:44,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:51:44,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:51:44,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44" (1/1) ... [2020-10-12 17:51:44,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44" (1/1) ... [2020-10-12 17:51:44,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44" (1/1) ... [2020-10-12 17:51:44,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44" (1/1) ... [2020-10-12 17:51:44,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44" (1/1) ... [2020-10-12 17:51:44,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44" (1/1) ... [2020-10-12 17:51:44,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44" (1/1) ... [2020-10-12 17:51:44,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:51:44,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:51:44,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:51:44,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:51:44,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44" (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 [2020-10-12 17:51:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:51:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:51:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:51:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:51:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:51:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:51:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:51:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:51:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:51:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 17:51:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:51:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:51:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:51:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:51:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:51:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:51:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:51:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:51:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:51:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:51:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:51:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:51:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:51:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:51:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:51:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:51:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:51:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:51:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:51:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:51:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:51:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:51:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:51:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 17:51:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-12 17:51:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-12 17:51:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:51:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:51:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:51:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:51:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:51:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:51:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:51:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:51:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:51:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:51:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:51:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:51:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:51:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 17:51:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:51:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:51:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:51:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:51:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:51:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:51:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:51:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:51:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:51:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:51:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:51:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:51:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:51:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:51:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:51:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:51:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:51:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:51:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:51:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:51:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:51:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:51:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:51:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:51:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:51:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:51:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:51:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:51:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:51:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:51:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:51:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:51:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:51:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-12 17:51:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-12 17:51:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:51:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:51:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:51:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 17:51:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:51:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:51:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:51:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:51:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:51:45,986 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:51:45,987 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:51:45,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:51:45 BoogieIcfgContainer [2020-10-12 17:51:45,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:51:45,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:51:45,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:51:45,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:51:45,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:51:44" (1/3) ... [2020-10-12 17:51:45,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8a5df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:51:45, skipping insertion in model container [2020-10-12 17:51:45,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:44" (2/3) ... [2020-10-12 17:51:46,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8a5df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:51:45, skipping insertion in model container [2020-10-12 17:51:46,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:51:45" (3/3) ... [2020-10-12 17:51:46,002 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product36.cil.c [2020-10-12 17:51:46,013 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:51:46,022 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:51:46,038 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:51:46,066 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:51:46,066 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:51:46,066 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:51:46,067 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:51:46,067 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:51:46,067 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:51:46,067 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:51:46,068 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:51:46,092 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-12 17:51:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 17:51:46,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:51:46,106 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] [2020-10-12 17:51:46,107 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:51:46,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:51:46,113 INFO L82 PathProgramCache]: Analyzing trace with hash 171708589, now seen corresponding path program 1 times [2020-10-12 17:51:46,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:51:46,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269055405] [2020-10-12 17:51:46,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:51:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:46,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:46,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:47,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:47,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:48,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:51,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:51,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 17:51:51,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:51:51,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 17:51:51,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:51,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:51:51,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:51:51,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 17:51:51,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:51:51,898 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:51:51,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:51:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:51,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:52,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:52,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:52,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:52,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 17:51:52,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:51:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:52,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:51:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:52,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:52,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:52,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:52,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:52,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:51:52,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:52,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:52,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:51:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:52,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:52,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:52,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:52,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:52,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:52,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:52,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:52,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:52,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:52,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:51:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:52,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:52,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:52,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:52,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:52,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:51:52,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:52,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:52,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:51:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:52,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:52,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:52,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:52,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:52,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:52,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:51:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:52,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:52,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:52,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:52,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:52,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:51:52,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:52,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:51:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:52,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:52,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:52,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:52,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:52,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:51:52,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:52,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:51:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:51:52,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:51:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:52,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:52,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:52,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:52,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:52,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:52,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:52,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:52,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:51:52,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:52,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:52,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:51:52,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [269055405] [2020-10-12 17:51:52,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:51:52,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:51:52,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711454464] [2020-10-12 17:51:52,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:51:52,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:51:52,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:51:52,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:51:52,235 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 8 states. [2020-10-12 17:51:52,764 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:51:53,738 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:51:54,129 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:51:54,425 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:51:54,987 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:51:55,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:51:55,856 INFO L93 Difference]: Finished difference Result 393 states and 523 transitions. [2020-10-12 17:51:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 17:51:55,859 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-12 17:51:55,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:51:55,885 INFO L225 Difference]: With dead ends: 393 [2020-10-12 17:51:55,886 INFO L226 Difference]: Without dead ends: 250 [2020-10-12 17:51:55,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-12 17:51:55,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-10-12 17:51:56,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 199. [2020-10-12 17:51:56,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-10-12 17:51:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 234 transitions. [2020-10-12 17:51:56,020 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 234 transitions. Word has length 51 [2020-10-12 17:51:56,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:51:56,021 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 234 transitions. [2020-10-12 17:51:56,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:51:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 234 transitions. [2020-10-12 17:51:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-12 17:51:56,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:51:56,025 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] [2020-10-12 17:51:56,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:51:56,026 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:51:56,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:51:56,026 INFO L82 PathProgramCache]: Analyzing trace with hash 58491749, now seen corresponding path program 1 times [2020-10-12 17:51:56,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:51:56,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120507604] [2020-10-12 17:51:56,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:51:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:56,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:56,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:56,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:57,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:01,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:52:01,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:52:01,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 17:52:01,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:52:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 17:52:01,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:01,427 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:01,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:01,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:01,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:01,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:01,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 17:52:01,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:01,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:01,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:01,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:01,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:01,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:01,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:01,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:01,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:01,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:01,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:01,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:01,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:01,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:01,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:01,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:01,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:01,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:01,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:01,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:01,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:01,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:01,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:01,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:01,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:01,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:01,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:01,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:01,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:01,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:01,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:01,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:01,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:01,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:01,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:01,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:01,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:01,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:01,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:01,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:01,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:01,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:01,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:01,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:52:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:01,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:01,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:01,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:01,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:01,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:01,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:52:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:01,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:01,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:01,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:01,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:01,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:01,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:01,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:01,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:01,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:01,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 17:52:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:01,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:01,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:01,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:01,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:01,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:01,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:52:01,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120507604] [2020-10-12 17:52:01,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:52:01,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 17:52:01,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679458089] [2020-10-12 17:52:01,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:52:01,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:01,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:52:01,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:52:01,675 INFO L87 Difference]: Start difference. First operand 199 states and 234 transitions. Second operand 9 states. [2020-10-12 17:52:02,148 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:03,147 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:03,439 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:03,717 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:52:04,315 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:05,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:05,328 INFO L93 Difference]: Finished difference Result 562 states and 753 transitions. [2020-10-12 17:52:05,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 17:52:05,333 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-12 17:52:05,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:05,345 INFO L225 Difference]: With dead ends: 562 [2020-10-12 17:52:05,345 INFO L226 Difference]: Without dead ends: 391 [2020-10-12 17:52:05,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-12 17:52:05,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-10-12 17:52:05,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 308. [2020-10-12 17:52:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-10-12 17:52:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 373 transitions. [2020-10-12 17:52:05,456 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 373 transitions. Word has length 61 [2020-10-12 17:52:05,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:05,456 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 373 transitions. [2020-10-12 17:52:05,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:52:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 373 transitions. [2020-10-12 17:52:05,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-12 17:52:05,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:05,469 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, 1, 1] [2020-10-12 17:52:05,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:52:05,469 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:05,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:05,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1616247053, now seen corresponding path program 1 times [2020-10-12 17:52:05,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:05,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951597176] [2020-10-12 17:52:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:05,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:05,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:05,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:08,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 17:52:10,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:52:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:52:10,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:52:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 17:52:10,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,781 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:10,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:10,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 17:52:10,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:10,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:10,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:10,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:10,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:10,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:10,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:10,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:10,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:10,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:10,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:10,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:10,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:10,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:10,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:10,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:10,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:52:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:10,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:10,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:10,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:10,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 17:52:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:10,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:10,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:10,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:52:10,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:52:10,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 17:52:10,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:52:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:52:10,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:11,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:11,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:11,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:11,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:11,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:11,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 17:52:11,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:52:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:11,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:11,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:11,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:11,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:11,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:11,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:11,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:52:11,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:11,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:11,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:11,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:11,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:11,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:11,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:11,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:11,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:11,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:11,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:11,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:11,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:11,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 17:52:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:11,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:11,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:11,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:11,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:11,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:11,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:11,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:11,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:11,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:11,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:11,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 17:52:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:11,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:11,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:11,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:11,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:11,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:11,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:11,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:11,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:11,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:11,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:52:11,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951597176] [2020-10-12 17:52:11,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:52:11,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 17:52:11,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657880417] [2020-10-12 17:52:11,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:52:11,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:11,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:52:11,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:52:11,196 INFO L87 Difference]: Start difference. First operand 308 states and 373 transitions. Second operand 12 states. [2020-10-12 17:52:11,761 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:13,006 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:13,302 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:13,603 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:13,934 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:14,346 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:14,768 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:16,504 INFO L93 Difference]: Finished difference Result 1090 states and 1569 transitions. [2020-10-12 17:52:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 17:52:16,505 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-10-12 17:52:16,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:16,514 INFO L225 Difference]: With dead ends: 1090 [2020-10-12 17:52:16,514 INFO L226 Difference]: Without dead ends: 810 [2020-10-12 17:52:16,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2020-10-12 17:52:16,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2020-10-12 17:52:16,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 593. [2020-10-12 17:52:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-12 17:52:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 730 transitions. [2020-10-12 17:52:16,632 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 730 transitions. Word has length 84 [2020-10-12 17:52:16,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:16,633 INFO L479 AbstractCegarLoop]: Abstraction has 593 states and 730 transitions. [2020-10-12 17:52:16,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:52:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 730 transitions. [2020-10-12 17:52:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-12 17:52:16,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:16,637 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, 1, 1] [2020-10-12 17:52:16,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:52:16,637 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:16,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:16,638 INFO L82 PathProgramCache]: Analyzing trace with hash 567429874, now seen corresponding path program 1 times [2020-10-12 17:52:16,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:16,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723126252] [2020-10-12 17:52:16,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 17:52:18,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1497 [2020-10-12 17:52:18,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:52:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 17:52:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 17:52:18,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:18,495 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:18,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:18,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 17:52:18,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:18,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:18,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:18,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:18,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:18,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:18,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:18,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:18,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:18,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:18,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:18,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:18,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:18,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:18,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:18,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:18,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:18,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:18,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:18,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:18,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:52:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:18,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:18,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:18,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:18,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:18,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 17:52:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:52:18,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:18,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 17:52:18,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:52:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:52:18,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:18,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:52:18,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:52:18,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:18,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:18,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:18,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:18,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:18,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:18,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 17:52:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:18,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:18,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:18,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 17:52:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:18,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:18,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:18,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:18,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:18,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:18,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:18,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:18,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:52:18,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723126252] [2020-10-12 17:52:18,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:52:18,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 17:52:18,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914680367] [2020-10-12 17:52:18,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 17:52:18,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:18,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 17:52:18,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-12 17:52:18,759 INFO L87 Difference]: Start difference. First operand 593 states and 730 transitions. Second operand 11 states. [2020-10-12 17:52:19,499 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:20,516 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:20,767 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:21,073 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:21,385 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:52:22,892 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:23,181 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:23,489 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:23,746 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:24,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:24,689 INFO L93 Difference]: Finished difference Result 2006 states and 2843 transitions. [2020-10-12 17:52:24,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 17:52:24,696 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-12 17:52:24,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:24,716 INFO L225 Difference]: With dead ends: 2006 [2020-10-12 17:52:24,716 INFO L226 Difference]: Without dead ends: 1441 [2020-10-12 17:52:24,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=237, Invalid=633, Unknown=0, NotChecked=0, Total=870 [2020-10-12 17:52:24,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2020-10-12 17:52:24,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1075. [2020-10-12 17:52:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2020-10-12 17:52:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1358 transitions. [2020-10-12 17:52:24,943 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1358 transitions. Word has length 84 [2020-10-12 17:52:24,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:24,945 INFO L479 AbstractCegarLoop]: Abstraction has 1075 states and 1358 transitions. [2020-10-12 17:52:24,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 17:52:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1358 transitions. [2020-10-12 17:52:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 17:52:24,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:24,958 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:24,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:52:24,959 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:24,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:24,959 INFO L82 PathProgramCache]: Analyzing trace with hash 790754055, now seen corresponding path program 1 times [2020-10-12 17:52:24,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:24,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408788374] [2020-10-12 17:52:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:25,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:25,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:25,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:25,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:25,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:25,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-12 17:52:30,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:52:30,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 17:52:30,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:52:30,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-12 17:52:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 17:52:30,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,251 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:30,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 17:52:30,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:30,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:30,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:30,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:30,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:30,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:30,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:30,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:30,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:52:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:30,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:52:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:52:30,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:52:30,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:30,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:52:30,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:52:30,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:52:30,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:52:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:52:30,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 17:52:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 17:52:30,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:30,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 17:52:30,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:30,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 17:52:30,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:52:30,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:52:30,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:30,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:52:30,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 17:52:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:30,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:52:30,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:30,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:52:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:30,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:30,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:30,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:30,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:30,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:30,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 17:52:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:52:30,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:52:30,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:52:30,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:30,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:30,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:52:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:30,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:30,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 17:52:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:30,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 17:52:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:30,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:30,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:52:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:30,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:30,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:30,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:30,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:30,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:30,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 17:52:30,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408788374] [2020-10-12 17:52:30,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:52:30,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 17:52:30,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798656846] [2020-10-12 17:52:30,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:52:30,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:30,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:52:30,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:52:30,779 INFO L87 Difference]: Start difference. First operand 1075 states and 1358 transitions. Second operand 18 states. [2020-10-12 17:52:31,311 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:32,097 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:32,593 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:33,154 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-12 17:52:33,633 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-10-12 17:52:33,913 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:34,162 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:34,993 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-10-12 17:52:35,249 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:35,773 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 196 [2020-10-12 17:52:36,023 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:36,284 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:36,636 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:36,910 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:40,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:40,094 INFO L93 Difference]: Finished difference Result 2005 states and 2840 transitions. [2020-10-12 17:52:40,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-12 17:52:40,094 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 133 [2020-10-12 17:52:40,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:40,105 INFO L225 Difference]: With dead ends: 2005 [2020-10-12 17:52:40,105 INFO L226 Difference]: Without dead ends: 949 [2020-10-12 17:52:40,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=631, Invalid=2561, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 17:52:40,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2020-10-12 17:52:40,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 643. [2020-10-12 17:52:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-12 17:52:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 781 transitions. [2020-10-12 17:52:40,260 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 781 transitions. Word has length 133 [2020-10-12 17:52:40,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:40,261 INFO L479 AbstractCegarLoop]: Abstraction has 643 states and 781 transitions. [2020-10-12 17:52:40,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:52:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 781 transitions. [2020-10-12 17:52:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-12 17:52:40,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:40,267 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 17:52:40,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:52:40,268 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:40,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:40,269 INFO L82 PathProgramCache]: Analyzing trace with hash 808620723, now seen corresponding path program 1 times [2020-10-12 17:52:40,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:40,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354714382] [2020-10-12 17:52:40,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:40,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:40,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:40,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:40,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:40,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:40,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 17:52:42,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:52:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2064 [2020-10-12 17:52:42,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:52:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 17:52:42,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,625 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:42,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 17:52:42,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:42,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:42,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:42,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:42,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:42,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:42,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:42,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:42,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:42,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:42,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:42,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:42,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:42,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:52:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:42,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:42,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:42,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:52:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:42,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:42,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:42,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:52:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 17:52:42,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:52:42,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 17:52:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:52:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 17:52:42,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:42,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:52:42,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:42,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:52:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:42,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 17:52:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 17:52:42,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:52:42,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 17:52:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:52:42,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:42,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:42,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:42,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:42,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:42,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:42,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 17:52:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:52:42,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:42,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:42,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:52:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:42,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:52:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:42,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 17:52:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:42,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:52:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:42,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:42,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:42,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:42,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:42,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:42,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:42,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:42,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:42,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-12 17:52:42,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354714382] [2020-10-12 17:52:42,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:52:42,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 17:52:42,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219421841] [2020-10-12 17:52:42,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 17:52:42,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:42,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 17:52:42,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:52:42,930 INFO L87 Difference]: Start difference. First operand 643 states and 781 transitions. Second operand 10 states. [2020-10-12 17:52:43,317 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:43,998 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:47,349 INFO L93 Difference]: Finished difference Result 2232 states and 3083 transitions. [2020-10-12 17:52:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 17:52:47,350 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2020-10-12 17:52:47,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:47,362 INFO L225 Difference]: With dead ends: 2232 [2020-10-12 17:52:47,363 INFO L226 Difference]: Without dead ends: 1617 [2020-10-12 17:52:47,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 17:52:47,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2020-10-12 17:52:47,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1164. [2020-10-12 17:52:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2020-10-12 17:52:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1416 transitions. [2020-10-12 17:52:47,600 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1416 transitions. Word has length 143 [2020-10-12 17:52:47,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:47,600 INFO L479 AbstractCegarLoop]: Abstraction has 1164 states and 1416 transitions. [2020-10-12 17:52:47,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 17:52:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1416 transitions. [2020-10-12 17:52:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-12 17:52:47,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:47,606 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:47,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 17:52:47,606 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:47,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:47,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1549484435, now seen corresponding path program 1 times [2020-10-12 17:52:47,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:47,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004597357] [2020-10-12 17:52:47,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:47,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:47,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:47,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:47,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-12 17:52:48,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:52:48,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 684 [2020-10-12 17:52:48,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:48,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 17:52:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-12 17:52:48,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:48,622 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:48,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 17:52:48,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:48,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:48,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:48,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:48,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:48,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:48,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:48,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:48,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:48,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:48,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:48,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:52:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:48,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:48,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:52:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:48,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:48,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:48,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:52:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:48,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:48,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:48,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:52:48,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:52:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 17:52:48,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:52:48,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 17:52:48,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:52:48,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:48,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:48,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:48,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:48,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:48,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:48,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:48,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 17:52:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:52:48,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:48,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:48,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:52:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:48,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 17:52:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:48,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 17:52:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:48,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:48,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 17:52:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:48,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:48,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:48,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:48,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:48,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:48,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:48,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 17:52:48,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004597357] [2020-10-12 17:52:48,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:52:48,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 17:52:48,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202960512] [2020-10-12 17:52:48,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 17:52:48,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:48,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 17:52:48,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:52:48,941 INFO L87 Difference]: Start difference. First operand 1164 states and 1416 transitions. Second operand 10 states. [2020-10-12 17:52:49,724 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:52,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:52,444 INFO L93 Difference]: Finished difference Result 1922 states and 2479 transitions. [2020-10-12 17:52:52,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 17:52:52,444 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-10-12 17:52:52,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:52,455 INFO L225 Difference]: With dead ends: 1922 [2020-10-12 17:52:52,455 INFO L226 Difference]: Without dead ends: 1460 [2020-10-12 17:52:52,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=288, Invalid=902, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 17:52:52,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2020-10-12 17:52:52,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1110. [2020-10-12 17:52:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2020-10-12 17:52:52,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1300 transitions. [2020-10-12 17:52:52,716 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1300 transitions. Word has length 123 [2020-10-12 17:52:52,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:52,717 INFO L479 AbstractCegarLoop]: Abstraction has 1110 states and 1300 transitions. [2020-10-12 17:52:52,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 17:52:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1300 transitions. [2020-10-12 17:52:52,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-12 17:52:52,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:52,723 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:52,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 17:52:52,723 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:52,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:52,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1816290746, now seen corresponding path program 1 times [2020-10-12 17:52:52,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:52,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194017614] [2020-10-12 17:52:52,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:52,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:52,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-12 17:52:53,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:53,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-12 17:52:53,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-12 17:52:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:52:53,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,253 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:53,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:52:53,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:53,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:53,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:53,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:52:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:53,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:52:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:53,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:52:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:53,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:53,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:52:53,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:52:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 17:52:53,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:52:53,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 17:52:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 17:52:53,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:52:53,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:52:53,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:53,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 17:52:53,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:53,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:53,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:53,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 17:52:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:52:53,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:53,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:53,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 17:52:53,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:52:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:53,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:52:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:53,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:52:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:52:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:53,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:53,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:53,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:53,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:53,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 17:52:53,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194017614] [2020-10-12 17:52:53,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:52:53,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 17:52:53,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505943992] [2020-10-12 17:52:53,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 17:52:53,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:53,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 17:52:53,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-12 17:52:53,492 INFO L87 Difference]: Start difference. First operand 1110 states and 1300 transitions. Second operand 11 states. [2020-10-12 17:52:53,990 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:54,735 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:57,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:57,793 INFO L93 Difference]: Finished difference Result 2200 states and 2769 transitions. [2020-10-12 17:52:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 17:52:57,793 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 128 [2020-10-12 17:52:57,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:57,803 INFO L225 Difference]: With dead ends: 2200 [2020-10-12 17:52:57,803 INFO L226 Difference]: Without dead ends: 1118 [2020-10-12 17:52:57,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=378, Invalid=1602, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 17:52:57,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2020-10-12 17:52:57,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 759. [2020-10-12 17:52:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-10-12 17:52:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 869 transitions. [2020-10-12 17:52:57,956 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 869 transitions. Word has length 128 [2020-10-12 17:52:57,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:57,959 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 869 transitions. [2020-10-12 17:52:57,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 17:52:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 869 transitions. [2020-10-12 17:52:57,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-12 17:52:57,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:57,963 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:57,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 17:52:57,963 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:57,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:57,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1862201420, now seen corresponding path program 1 times [2020-10-12 17:52:57,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:57,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854566189] [2020-10-12 17:52:57,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:58,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:58,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-12 17:52:59,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:59,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1329 [2020-10-12 17:52:59,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 17:52:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 17:52:59,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:59,567 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:59,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 17:52:59,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:59,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:59,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:59,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:59,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:59,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:59,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:59,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:59,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:59,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:59,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:59,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:59,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:59,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:59,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:59,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:59,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:59,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:52:59,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:59,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:59,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:59,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:52:59,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:52:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:59,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:52:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:52:59,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:59,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:52:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:59,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:59,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:59,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:52:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 17:52:59,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:59,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 17:52:59,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:52:59,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 17:52:59,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:59,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:52:59,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:52:59,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 17:52:59,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:59,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:59,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:59,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:59,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:59,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:59,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:59,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:59,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:59,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:59,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:59,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:59,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:59,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 17:52:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:52:59,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:52:59,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 17:52:59,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:59,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:59,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:59,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:59,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:59,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:52:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:59,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:59,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:59,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 17:52:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:59,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:59,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:52:59,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:52:59,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:59,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:52:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:52:59,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:59,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:59,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:52:59,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:59,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:59,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:59,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:59,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:59,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:59,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:59,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:59,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 17:52:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:59,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:59,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:59,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:59,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:52:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:59,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:59,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:59,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:59,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:59,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:59,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:00,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:53:00,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854566189] [2020-10-12 17:53:00,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:53:00,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 17:53:00,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55012564] [2020-10-12 17:53:00,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:53:00,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:53:00,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:53:00,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:53:00,029 INFO L87 Difference]: Start difference. First operand 759 states and 869 transitions. Second operand 13 states. [2020-10-12 17:53:00,532 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:53:01,171 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:53:03,691 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:53:04,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:53:04,915 INFO L93 Difference]: Finished difference Result 2304 states and 3031 transitions. [2020-10-12 17:53:04,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-12 17:53:04,916 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 131 [2020-10-12 17:53:04,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:53:04,929 INFO L225 Difference]: With dead ends: 2304 [2020-10-12 17:53:04,930 INFO L226 Difference]: Without dead ends: 1767 [2020-10-12 17:53:04,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=414, Invalid=1478, Unknown=0, NotChecked=0, Total=1892 [2020-10-12 17:53:04,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2020-10-12 17:53:05,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1357. [2020-10-12 17:53:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1357 states. [2020-10-12 17:53:05,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1571 transitions. [2020-10-12 17:53:05,315 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1571 transitions. Word has length 131 [2020-10-12 17:53:05,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:53:05,316 INFO L479 AbstractCegarLoop]: Abstraction has 1357 states and 1571 transitions. [2020-10-12 17:53:05,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:53:05,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1571 transitions. [2020-10-12 17:53:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-12 17:53:05,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:53:05,320 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:53:05,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 17:53:05,320 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:53:05,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:53:05,320 INFO L82 PathProgramCache]: Analyzing trace with hash 475998026, now seen corresponding path program 1 times [2020-10-12 17:53:05,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:53:05,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385320446] [2020-10-12 17:53:05,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:53:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 17:53:05,369 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 17:53:05,369 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 17:53:05,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 17:53:05,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:53:05 BoogieIcfgContainer [2020-10-12 17:53:05,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 17:53:05,427 INFO L168 Benchmark]: Toolchain (without parser) took 81346.77 ms. Allocated memory was 146.8 MB in the beginning and 977.3 MB in the end (delta: 830.5 MB). Free memory was 101.0 MB in the beginning and 319.7 MB in the end (delta: -218.7 MB). Peak memory consumption was 611.8 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:05,431 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 17:53:05,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.39 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 100.8 MB in the beginning and 173.1 MB in the end (delta: -72.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:05,433 INFO L168 Benchmark]: Boogie Preprocessor took 90.97 ms. Allocated memory is still 203.9 MB. Free memory was 173.1 MB in the beginning and 169.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:05,433 INFO L168 Benchmark]: RCFGBuilder took 1154.33 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 169.0 MB in the beginning and 199.4 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:05,435 INFO L168 Benchmark]: TraceAbstraction took 79429.83 ms. Allocated memory was 237.5 MB in the beginning and 977.3 MB in the end (delta: 739.8 MB). Free memory was 199.4 MB in the beginning and 319.7 MB in the end (delta: -120.3 MB). Peak memory consumption was 619.4 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:05,444 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.39 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 100.8 MB in the beginning and 173.1 MB in the end (delta: -72.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.97 ms. Allocated memory is still 203.9 MB. Free memory was 173.1 MB in the beginning and 169.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1154.33 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 169.0 MB in the beginning and 199.4 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 79429.83 ms. Allocated memory was 237.5 MB in the beginning and 977.3 MB in the end (delta: 739.8 MB). Free memory was 199.4 MB in the beginning and 319.7 MB in the end (delta: -120.3 MB). Peak memory consumption was 619.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 900]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L545] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L905] int methAndRunningLastTime ; [L623] int retValue_acc ; [L624] int tmp ; [L628] FCALL select_helpers() [L629] FCALL select_features() [L630] CALL, EXPR valid_product() [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); [L630] RET, EXPR valid_product() [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L634] FCALL setup() [L635] CALL runTest() [L616] CALL __utac_acc__Specification2_spec__1() [L910] methAndRunningLastTime = 0 [L616] RET __utac_acc__Specification2_spec__1() [L617] CALL test() [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 [L837] COND TRUE 1 [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp) [L849] CALL waterRise() [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L849] RET waterRise() [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___0) [L859] CALL changeMethaneLevel() [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L859] RET changeMethaneLevel() [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) [L884] CALL timeShift() [L659] COND FALSE !(\read(pumpRunning)) [L666] COND TRUE \read(systemActive) [L668] CALL processEnvironment() [L688] int tmp ; [L691] COND TRUE ! pumpRunning [L693] CALL, EXPR isHighWaterLevel() [L785] int retValue_acc ; [L786] int tmp ; [L787] int tmp___0 ; [L791] CALL, EXPR isHighWaterSensorDry() [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L791] RET, EXPR isHighWaterSensorDry() [L791] tmp = isHighWaterSensorDry() [L793] COND FALSE !(\read(tmp)) [L796] tmp___0 = 1 [L798] retValue_acc = tmp___0 [L799] return (retValue_acc); [L693] RET, EXPR isHighWaterLevel() [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) [L697] CALL activatePump() [L716] pumpRunning = 1 [L697] RET activatePump() [L668] RET processEnvironment() [L674] CALL __utac_acc__Specification2_spec__2() [L915] int tmp ; [L916] int tmp___0 ; [L920] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) [L924] CALL, EXPR isPumpRunning() [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); [L924] RET, EXPR isPumpRunning() [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) [L927] COND FALSE !(\read(methAndRunningLastTime)) [L932] methAndRunningLastTime = 1 [L674] RET __utac_acc__Specification2_spec__2() [L884] RET timeShift() [L837] COND TRUE 1 [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) [L884] CALL timeShift() [L659] COND TRUE \read(pumpRunning) [L661] CALL lowerWaterLevel() [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 [L661] RET lowerWaterLevel() [L666] COND TRUE \read(systemActive) [L668] CALL processEnvironment() [L688] int tmp ; [L691] COND FALSE !(! pumpRunning) [L706] FCALL processEnvironment__wrappee__base() [L668] RET processEnvironment() [L674] CALL __utac_acc__Specification2_spec__2() [L915] int tmp ; [L916] int tmp___0 ; [L920] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) [L924] CALL, EXPR isPumpRunning() [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); [L924] RET, EXPR isPumpRunning() [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) [L927] COND TRUE \read(methAndRunningLastTime) [L929] CALL __automaton_fail() [L900] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 79.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 45.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1239 SDtfs, 5570 SDslu, 2002 SDs, 0 SdLazy, 10777 SolverSat, 4380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 371 SyntacticMatches, 2 SemanticMatches, 293 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3157 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1357occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 2595 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 31.4s InterpolantComputationTime, 1069 NumberOfCodeBlocks, 1069 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 929 ConstructedInterpolants, 0 QuantifiedInterpolants, 361032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 158/176 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...