/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 SingleStatement --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=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:35:12,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:35:12,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:35:12,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:35:12,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:35:12,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:35:12,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:35:12,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:35:12,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:35:12,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:35:12,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:35:12,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:35:12,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:35:12,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:35:12,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:35:12,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:35:12,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:35:12,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:35:12,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:35:12,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:35:12,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:35:12,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:35:12,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:35:12,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:35:12,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:35:12,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:35:12,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:35:12,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:35:12,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:35:12,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:35:12,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:35:12,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:35:12,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:35:12,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:35:12,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:35:12,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:35:12,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:35:12,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:35:12,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:35:12,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:35:12,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:35:12,635 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 [2020-09-24 22:35:12,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:35:12,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:35:12,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:35:12,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:35:12,668 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:35:12,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:35:12,669 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:35:12,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:35:12,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:35:12,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:35:12,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:35:12,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:35:12,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:35:12,672 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:35:12,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:35:12,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:35:12,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:35:12,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:35:12,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:35:12,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:35:12,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:35:12,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:35:12,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:35:12,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:35:12,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:35:12,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:35:12,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:35:12,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:35:12,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:35:12,677 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 -> SingleStatement 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=HIGHLEXORDER;log-additional-information=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=HIGHLEXORDER;log-additional-information=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=HIGHLEXORDER;log-additional-information=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=HIGHLEXORDER;log-additional-information=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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:35:13,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:35:13,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:35:13,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:35:13,221 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:35:13,223 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:35:13,224 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-09-24 22:35:13,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a1e328bf/95085dc92fb64e8dbc25a3a46d4f7509/FLAGcf9a104cd [2020-09-24 22:35:13,982 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:35:13,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-09-24 22:35:14,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a1e328bf/95085dc92fb64e8dbc25a3a46d4f7509/FLAGcf9a104cd [2020-09-24 22:35:14,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a1e328bf/95085dc92fb64e8dbc25a3a46d4f7509 [2020-09-24 22:35:14,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:35:14,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:35:14,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:35:14,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:35:14,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:35:14,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:35:14" (1/1) ... [2020-09-24 22:35:14,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d2c9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:14, skipping insertion in model container [2020-09-24 22:35:14,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:35:14" (1/1) ... [2020-09-24 22:35:14,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:35:14,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:35:14,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:35:14,861 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:35:14,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:35:15,009 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:35:15,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:15 WrapperNode [2020-09-24 22:35:15,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:35:15,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:35:15,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:35:15,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:35:15,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:15" (1/1) ... [2020-09-24 22:35:15,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:15" (1/1) ... [2020-09-24 22:35:15,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:15" (1/1) ... [2020-09-24 22:35:15,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:15" (1/1) ... [2020-09-24 22:35:15,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:15" (1/1) ... [2020-09-24 22:35:15,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:15" (1/1) ... [2020-09-24 22:35:15,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:15" (1/1) ... [2020-09-24 22:35:15,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:35:15,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:35:15,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:35:15,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:35:15,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:15" (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 [2020-09-24 22:35:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:35:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:35:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:35:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:35:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:35:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:35:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:35:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:35:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:35:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:35:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:35:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:35:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:35:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:35:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 22:35:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 22:35:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:35:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:35:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:35:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:35:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:35:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:35:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:35:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:35:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 22:35:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:35:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:35:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:35:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:35:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:35:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:35:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:35:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:35:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:35:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:35:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:35:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:35:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:35:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:35:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:35:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:35:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:35:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:35:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:35:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:35:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:35:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:35:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:35:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:35:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:35:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:35:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 22:35:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:35:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:35:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:35:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:35:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:35:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 22:35:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:35:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:35:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:35:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:35:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:35:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:35:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 22:35:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:35:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:35:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:35:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:35:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:35:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:35:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:35:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:35:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:35:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:35:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:35:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:35:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:35:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:35:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:35:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:35:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:35:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:35:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:35:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:35:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:35:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:35:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:35:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:35:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:35:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:35:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:35:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:35:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:35:16,442 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:35:16,442 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:35:16,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:35:16 BoogieIcfgContainer [2020-09-24 22:35:16,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:35:16,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:35:16,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:35:16,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:35:16,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:35:14" (1/3) ... [2020-09-24 22:35:16,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5731ac0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:35:16, skipping insertion in model container [2020-09-24 22:35:16,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:15" (2/3) ... [2020-09-24 22:35:16,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5731ac0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:35:16, skipping insertion in model container [2020-09-24 22:35:16,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:35:16" (3/3) ... [2020-09-24 22:35:16,470 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-09-24 22:35:16,482 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:35:16,499 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:35:16,524 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:35:16,567 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:35:16,568 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:35:16,568 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:35:16,569 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:35:16,569 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:35:16,569 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:35:16,569 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:35:16,570 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:35:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-09-24 22:35:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 22:35:16,651 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:16,653 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:16,656 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:16,694 INFO L82 PathProgramCache]: Analyzing trace with hash -68792430, now seen corresponding path program 1 times [2020-09-24 22:35:16,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:16,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424324385] [2020-09-24 22:35:16,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:19,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:19,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:21,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:22,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:22,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 22:35:22,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:35:22,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-09-24 22:35:22,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:22,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:22,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-24 22:35:22,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:35:22,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 22:35:22,687 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:22,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:22,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:22,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:22,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:22,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:22,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-09-24 22:35:22,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:22,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:22,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:22,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:22,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:22,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:22,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:22,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:22,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:22,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:22,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:22,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:22,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:22,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:22,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:22,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:22,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:22,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:22,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:22,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:22,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:22,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:22,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:22,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:22,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:22,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:22,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:22,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:35:22,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:22,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:22,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:22,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:22,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:22,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:22,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:22,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:22,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:22,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:23,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:23,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:23,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:23,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:23,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:23,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:23,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:23,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:23,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:23,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:23,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:23,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:35:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:23,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:23,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:23,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:23,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:23,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:23,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:23,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:23,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:23,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:23,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:23,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:23,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:23,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:23,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:23,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:23,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:23,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 22:35:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:23,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:23,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:23,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:23,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:23,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:23,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:23,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 22:35:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:23,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:23,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:23,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:23,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:23,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:35:23,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:23,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:23,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:23,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:23,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:35:23,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424324385] [2020-09-24 22:35:23,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:23,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:35:23,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017494912] [2020-09-24 22:35:23,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:35:23,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:23,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:35:23,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:35:23,169 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 9 states. [2020-09-24 22:35:23,845 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:24,681 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:24,971 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:26,362 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:26,678 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:27,059 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:27,489 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:27,821 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:28,125 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:29,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:29,027 INFO L93 Difference]: Finished difference Result 628 states and 756 transitions. [2020-09-24 22:35:29,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:35:29,030 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 22:35:29,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:29,052 INFO L225 Difference]: With dead ends: 628 [2020-09-24 22:35:29,053 INFO L226 Difference]: Without dead ends: 423 [2020-09-24 22:35:29,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:35:29,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-09-24 22:35:29,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 375. [2020-09-24 22:35:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-24 22:35:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 419 transitions. [2020-09-24 22:35:29,200 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 419 transitions. Word has length 160 [2020-09-24 22:35:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:29,201 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 419 transitions. [2020-09-24 22:35:29,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:35:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 419 transitions. [2020-09-24 22:35:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 22:35:29,205 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:29,206 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:29,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:35:29,206 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:29,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:29,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1577086917, now seen corresponding path program 1 times [2020-09-24 22:35:29,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:29,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918975569] [2020-09-24 22:35:29,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 22:35:30,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-09-24 22:35:30,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:30,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-24 22:35:30,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:30,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:30,557 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:30,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:30,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-24 22:35:30,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:30,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:30,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:30,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:30,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:30,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:30,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:30,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:30,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:30,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:30,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:30,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:30,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:30,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:30,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:30,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:30,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:30,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:30,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:30,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:30,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:30,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:30,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:30,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:30,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:30,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:30,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:30,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:30,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:30,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 22:35:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:30,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:30,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:30,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:30,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 22:35:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:30,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:30,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:30,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:30,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:30,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:30,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:30,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 22:35:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 22:35:30,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-24 22:35:30,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:35:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:30,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:30,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:30,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:30,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 22:35:30,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:30,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-24 22:35:30,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:30,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:30,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:35:30,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:30,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:31,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:31,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:31,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:31,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:31,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:31,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 22:35:31,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:35:31,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:31,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:31,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:31,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:31,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:31,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:31,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:35:31,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:31,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:31,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:31,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:31,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:31,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:31,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:31,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:31,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:31,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:31,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 22:35:31,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:31,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:31,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 22:35:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:31,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:31,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:31,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:31,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:31,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:31,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:31,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:31,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 22:35:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:31,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:31,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:31,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:31,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:31,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:31,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:31,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:35:31,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918975569] [2020-09-24 22:35:31,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:31,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 22:35:31,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731523218] [2020-09-24 22:35:31,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 22:35:31,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:31,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 22:35:31,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 22:35:31,189 INFO L87 Difference]: Start difference. First operand 375 states and 419 transitions. Second operand 11 states. [2020-09-24 22:35:32,777 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:33,097 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:33,425 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:35:33,732 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:34,081 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 22:35:34,382 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:35,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:35,550 INFO L93 Difference]: Finished difference Result 798 states and 984 transitions. [2020-09-24 22:35:35,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 22:35:35,550 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-09-24 22:35:35,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:35,558 INFO L225 Difference]: With dead ends: 798 [2020-09-24 22:35:35,558 INFO L226 Difference]: Without dead ends: 538 [2020-09-24 22:35:35,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 22:35:35,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-09-24 22:35:35,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 389. [2020-09-24 22:35:35,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-24 22:35:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 439 transitions. [2020-09-24 22:35:35,627 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 439 transitions. Word has length 212 [2020-09-24 22:35:35,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:35,629 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 439 transitions. [2020-09-24 22:35:35,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 22:35:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 439 transitions. [2020-09-24 22:35:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 22:35:35,632 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:35,632 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:35,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:35:35,633 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:35,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:35,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1702291301, now seen corresponding path program 1 times [2020-09-24 22:35:35,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:35,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542461746] [2020-09-24 22:35:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:35,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 22:35:36,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:36,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-09-24 22:35:36,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-24 22:35:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:36,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:36,936 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:36,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:36,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:37,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-24 22:35:37,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:37,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:37,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:37,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:37,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:37,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:37,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:37,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:37,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:37,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:37,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 22:35:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:37,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:35:37,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 22:35:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:37,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:37,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:37,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:37,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 22:35:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 22:35:37,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-24 22:35:37,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 22:35:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 22:35:37,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 22:35:37,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:35:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:37,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:37,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 22:35:37,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:35:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:37,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:35:37,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:35:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:37,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:37,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 22:35:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 22:35:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:37,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:37,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:37,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 22:35:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:37,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:37,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:37,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:35:37,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542461746] [2020-09-24 22:35:37,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:37,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:35:37,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389200587] [2020-09-24 22:35:37,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:35:37,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:37,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:35:37,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:35:37,541 INFO L87 Difference]: Start difference. First operand 389 states and 439 transitions. Second operand 10 states. [2020-09-24 22:35:38,982 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:39,319 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:39,673 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:39,999 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:40,311 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:41,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:41,556 INFO L93 Difference]: Finished difference Result 823 states and 1035 transitions. [2020-09-24 22:35:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:35:41,558 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-09-24 22:35:41,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:41,563 INFO L225 Difference]: With dead ends: 823 [2020-09-24 22:35:41,563 INFO L226 Difference]: Without dead ends: 549 [2020-09-24 22:35:41,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:35:41,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-24 22:35:41,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 395. [2020-09-24 22:35:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-09-24 22:35:41,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 445 transitions. [2020-09-24 22:35:41,620 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 445 transitions. Word has length 212 [2020-09-24 22:35:41,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:41,621 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 445 transitions. [2020-09-24 22:35:41,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:35:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 445 transitions. [2020-09-24 22:35:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 22:35:41,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:41,624 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:41,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:35:41,625 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:41,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:41,625 INFO L82 PathProgramCache]: Analyzing trace with hash 2050120860, now seen corresponding path program 1 times [2020-09-24 22:35:41,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:41,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080718679] [2020-09-24 22:35:41,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:41,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:41,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-24 22:35:45,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:35:45,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3960 [2020-09-24 22:35:45,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 22:35:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:35:45,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,977 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:45,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:46,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-24 22:35:46,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:46,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:46,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:46,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:46,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:46,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:46,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:46,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:46,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:46,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:46,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:46,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:46,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:46,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:46,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:46,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:46,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 22:35:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:46,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:46,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:35:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:46,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:46,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:46,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:46,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:35:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 22:35:46,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 22:35:46,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-24 22:35:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:46,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 22:35:46,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 22:35:46,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:46,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:46,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:35:46,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:46,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:46,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:46,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:46,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:46,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:46,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:46,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:46,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 22:35:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:46,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:46,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:46,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 22:35:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:46,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:46,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:46,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:46,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:46,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:46,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:46,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:46,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:46,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:46,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:35:46,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080718679] [2020-09-24 22:35:46,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:46,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:35:46,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790515761] [2020-09-24 22:35:46,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:35:46,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:46,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:35:46,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:35:46,443 INFO L87 Difference]: Start difference. First operand 395 states and 445 transitions. Second operand 6 states. [2020-09-24 22:35:47,117 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:48,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:48,250 INFO L93 Difference]: Finished difference Result 652 states and 749 transitions. [2020-09-24 22:35:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 22:35:48,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2020-09-24 22:35:48,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:48,254 INFO L225 Difference]: With dead ends: 652 [2020-09-24 22:35:48,255 INFO L226 Difference]: Without dead ends: 440 [2020-09-24 22:35:48,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:35:48,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-09-24 22:35:48,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 375. [2020-09-24 22:35:48,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-24 22:35:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 411 transitions. [2020-09-24 22:35:48,315 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 411 transitions. Word has length 199 [2020-09-24 22:35:48,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:48,316 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 411 transitions. [2020-09-24 22:35:48,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:35:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 411 transitions. [2020-09-24 22:35:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 22:35:48,319 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:48,319 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:48,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:35:48,320 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:48,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:48,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1011797160, now seen corresponding path program 1 times [2020-09-24 22:35:48,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:48,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538057918] [2020-09-24 22:35:48,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:48,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:49,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:49,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 22:35:49,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1389 [2020-09-24 22:35:49,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 22:35:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 22:35:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 22:35:49,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,047 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:50,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:50,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-24 22:35:50,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 22:35:50,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:50,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:50,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:35:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:50,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:50,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:35:50,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:50,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:35:50,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:50,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:50,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:50,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:35:50,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:50,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:50,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:35:50,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 22:35:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:50,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:50,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:35:50,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 22:35:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:50,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:35:50,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:35:50,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 22:35:50,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:50,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:50,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:50,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 22:35:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 22:35:50,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 22:35:50,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 22:35:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 22:35:50,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 22:35:50,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 22:35:50,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 22:35:50,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:50,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:35:50,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:50,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:50,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:50,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:35:50,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:50,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:35:50,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:50,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:50,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:35:50,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 22:35:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:50,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:50,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:50,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:50,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:50,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 22:35:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:50,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:50,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:50,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:50,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:50,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:50,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:50,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:50,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:35:50,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538057918] [2020-09-24 22:35:50,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:50,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:35:50,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526390966] [2020-09-24 22:35:50,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:35:50,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:50,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:35:50,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:35:50,678 INFO L87 Difference]: Start difference. First operand 375 states and 411 transitions. Second operand 8 states. [2020-09-24 22:35:51,209 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:52,680 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:55,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:55,487 INFO L93 Difference]: Finished difference Result 1322 states and 1689 transitions. [2020-09-24 22:35:55,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 22:35:55,494 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-09-24 22:35:55,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:55,502 INFO L225 Difference]: With dead ends: 1322 [2020-09-24 22:35:55,502 INFO L226 Difference]: Without dead ends: 1062 [2020-09-24 22:35:55,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-09-24 22:35:55,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2020-09-24 22:35:55,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 742. [2020-09-24 22:35:55,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-09-24 22:35:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 854 transitions. [2020-09-24 22:35:55,600 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 854 transitions. Word has length 212 [2020-09-24 22:35:55,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:55,600 INFO L479 AbstractCegarLoop]: Abstraction has 742 states and 854 transitions. [2020-09-24 22:35:55,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:35:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 854 transitions. [2020-09-24 22:35:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 22:35:55,604 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:55,605 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:55,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 22:35:55,605 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:55,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:55,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1020740109, now seen corresponding path program 1 times [2020-09-24 22:35:55,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:55,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093495852] [2020-09-24 22:35:55,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:56,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:00,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:00,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 22:36:00,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:36:00,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-24 22:36:00,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:00,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 22:36:00,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-24 22:36:00,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-24 22:36:00,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,147 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:36:01,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:36:01,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-24 22:36:01,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:01,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:36:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:01,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:01,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:01,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:01,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:36:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:01,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:36:01,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:01,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:01,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:36:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:01,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:36:01,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:01,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:01,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:36:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:01,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:01,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:01,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:01,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:36:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:01,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:01,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:01,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:01,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 22:36:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:36:01,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:36:01,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:36:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:36:01,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 22:36:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:01,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:01,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:01,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:36:01,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 22:36:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:36:01,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:01,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:36:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:01,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:36:01,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:01,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:01,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 22:36:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 22:36:01,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 22:36:01,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:36:01,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 22:36:01,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 22:36:01,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 22:36:01,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 22:36:01,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:36:01,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:36:01,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:36:01,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:36:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:36:01,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:01,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:01,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:36:01,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:36:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:01,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:36:01,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:36:01,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 22:36:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:01,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:36:01,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:36:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:36:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 22:36:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:01,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:01,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:01,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:01,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:01,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:36:01,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:01,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:36:01,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093495852] [2020-09-24 22:36:01,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:36:01,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 22:36:01,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708940834] [2020-09-24 22:36:01,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 22:36:01,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:36:01,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 22:36:01,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:36:01,693 INFO L87 Difference]: Start difference. First operand 742 states and 854 transitions. Second operand 15 states.