/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:08:16,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:08:16,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:08:16,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:08:16,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:08:16,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:08:16,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:08:16,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:08:16,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:08:16,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:08:16,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:08:16,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:08:16,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:08:16,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:08:16,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:08:16,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:08:16,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:08:16,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:08:16,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:08:16,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:08:16,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:08:16,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:08:16,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:08:16,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:08:16,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:08:16,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:08:16,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:08:16,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:08:16,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:08:16,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:08:16,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:08:16,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:08:16,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:08:16,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:08:16,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:08:16,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:08:16,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:08:16,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:08:16,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:08:16,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:08:16,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:08:16,801 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 [2020-09-25 12:08:16,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:08:16,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:08:16,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:08:16,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:08:16,852 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:08:16,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:08:16,853 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:08:16,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:08:16,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:08:16,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:08:16,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:08:16,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:08:16,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:08:16,855 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:08:16,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:08:16,856 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:08:16,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:08:16,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:08:16,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:08:16,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:08:16,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:08:16,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:08:16,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:08:16,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:08:16,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:08:16,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:08:16,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:08:16,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:08:16,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:08:16,859 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:08:17,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:08:17,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:08:17,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:08:17,346 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:08:17,346 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:08:17,348 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-25 12:08:17,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/651e76b10/8d7396bcc0b443f885028c8bb3a546bf/FLAGf5709e4df [2020-09-25 12:08:18,033 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:08:18,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-25 12:08:18,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/651e76b10/8d7396bcc0b443f885028c8bb3a546bf/FLAGf5709e4df [2020-09-25 12:08:18,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/651e76b10/8d7396bcc0b443f885028c8bb3a546bf [2020-09-25 12:08:18,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:08:18,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:08:18,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:08:18,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:08:18,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:08:18,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:08:18" (1/1) ... [2020-09-25 12:08:18,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:18, skipping insertion in model container [2020-09-25 12:08:18,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:08:18" (1/1) ... [2020-09-25 12:08:18,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:08:18,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:08:18,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:08:19,030 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:08:19,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:08:19,213 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:08:19,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:19 WrapperNode [2020-09-25 12:08:19,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:08:19,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:08:19,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:08:19,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:08:19,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:19" (1/1) ... [2020-09-25 12:08:19,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:19" (1/1) ... [2020-09-25 12:08:19,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:19" (1/1) ... [2020-09-25 12:08:19,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:19" (1/1) ... [2020-09-25 12:08:19,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:19" (1/1) ... [2020-09-25 12:08:19,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:19" (1/1) ... [2020-09-25 12:08:19,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:19" (1/1) ... [2020-09-25 12:08:19,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:08:19,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:08:19,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:08:19,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:08:19,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:19" (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 [2020-09-25 12:08:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:08:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:08:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:08:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:08:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:08:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:08:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:08:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:08:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 12:08:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:08:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 12:08:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 12:08:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 12:08:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 12:08:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 12:08:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 12:08:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:08:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 12:08:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 12:08:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:08:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:08:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:08:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:08:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:08:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:08:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:08:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:08:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 12:08:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:08:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:08:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:08:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:08:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:08:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:08:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:08:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:08:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:08:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:08:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:08:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:08:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:08:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:08:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:08:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:08:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:08:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:08:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:08:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:08:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:08:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:08:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:08:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:08:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:08:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:08:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:08:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:08:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:08:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:08:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:08:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:08:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:08:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:08:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:08:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:08:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:08:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:08:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:08:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 12:08:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:08:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:08:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:08:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:08:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:08:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:08:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:08:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:08:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 12:08:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:08:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 12:08:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:08:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 12:08:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 12:08:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:08:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 12:08:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 12:08:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:08:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 12:08:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 12:08:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 12:08:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:08:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:08:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:08:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:08:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:08:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:08:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:08:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:08:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:08:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:08:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:08:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:08:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:08:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:08:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:08:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:08:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:08:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:08:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:08:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:08:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:08:20,659 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:08:20,659 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:08:20,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:08:20 BoogieIcfgContainer [2020-09-25 12:08:20,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:08:20,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:08:20,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:08:20,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:08:20,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:08:18" (1/3) ... [2020-09-25 12:08:20,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13aaeb2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:08:20, skipping insertion in model container [2020-09-25 12:08:20,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:19" (2/3) ... [2020-09-25 12:08:20,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13aaeb2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:08:20, skipping insertion in model container [2020-09-25 12:08:20,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:08:20" (3/3) ... [2020-09-25 12:08:20,680 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2020-09-25 12:08:20,694 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:08:20,707 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:08:20,732 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:08:20,771 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:08:20,771 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:08:20,771 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:08:20,772 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:08:20,772 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:08:20,772 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:08:20,772 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:08:20,772 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:08:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states. [2020-09-25 12:08:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 12:08:20,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:08:20,835 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:08:20,835 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:08:20,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:08:20,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1119932632, now seen corresponding path program 1 times [2020-09-25 12:08:20,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:08:20,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131233105] [2020-09-25 12:08:20,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:08:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:21,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:21,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:23,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:24,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:26,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:26,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 12:08:26,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:08:26,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 12:08:26,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:26,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:26,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:08:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 12:08:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-09-25 12:08:26,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 12:08:26,916 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 12:08:26,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:08:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:08:27,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-09-25 12:08:27,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 12:08:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 12:08:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:08:27,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:08:27,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:08:27,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 12:08:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:08:27,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 12:08:27,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:27,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 12:08:27,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:08:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:27,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:08:27,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:27,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:27,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:08:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:27,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:08:27,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:27,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:27,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:08:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:27,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:27,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:27,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:08:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:27,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:27,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:27,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 12:08:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:27,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:27,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:27,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 12:08:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:27,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:08:27,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 12:08:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:27,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:08:27,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:27,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:08:27,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 12:08:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:27,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:08:27,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:27,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:27,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:08:27,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 12:08:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:27,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:27,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:27,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:08:27,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:27,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 12:08:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:27,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:27,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:27,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:27,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:27,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:08:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:27,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 12:08:27,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131233105] [2020-09-25 12:08:27,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:08:27,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:08:27,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944136521] [2020-09-25 12:08:27,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:08:27,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:08:27,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:08:27,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:08:27,770 INFO L87 Difference]: Start difference. First operand 420 states. Second operand 6 states. [2020-09-25 12:08:28,482 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 12:08:33,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:08:33,167 INFO L93 Difference]: Finished difference Result 937 states and 1145 transitions. [2020-09-25 12:08:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 12:08:33,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2020-09-25 12:08:33,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:08:33,196 INFO L225 Difference]: With dead ends: 937 [2020-09-25 12:08:33,196 INFO L226 Difference]: Without dead ends: 674 [2020-09-25 12:08:33,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:08:33,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2020-09-25 12:08:33,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 576. [2020-09-25 12:08:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-09-25 12:08:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 662 transitions. [2020-09-25 12:08:33,399 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 662 transitions. Word has length 224 [2020-09-25 12:08:33,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:08:33,400 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 662 transitions. [2020-09-25 12:08:33,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:08:33,401 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 662 transitions. [2020-09-25 12:08:33,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-25 12:08:33,408 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:08:33,408 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:08:33,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:08:33,409 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:08:33,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:08:33,410 INFO L82 PathProgramCache]: Analyzing trace with hash -596184480, now seen corresponding path program 1 times [2020-09-25 12:08:33,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:08:33,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310920177] [2020-09-25 12:08:33,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:08:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:34,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:38,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:38,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-09-25 12:08:38,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:08:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 12:08:38,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:38,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 12:08:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 12:08:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-09-25 12:08:38,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,000 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 12:08:39,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:08:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:08:39,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-09-25 12:08:39,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:39,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 12:08:39,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 12:08:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:08:39,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:08:39,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:08:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 12:08:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:08:39,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 12:08:39,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:39,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 12:08:39,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:08:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:39,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:39,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:39,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:08:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:39,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:39,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:39,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:08:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:39,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:39,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:39,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:08:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:39,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:39,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:39,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 12:08:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:39,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:39,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:39,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:39,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 12:08:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:39,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:39,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:39,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 12:08:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:39,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:08:39,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:39,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:08:39,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 12:08:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:39,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:39,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:39,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:08:39,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 12:08:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 12:08:39,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:08:39,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:39,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:08:39,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:08:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:08:39,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:08:39,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:39,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:08:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:39,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:39,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:39,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:08:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:39,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:39,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:39,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-25 12:08:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:39,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:08:39,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:08:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:08:39,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-25 12:08:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:39,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:39,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:39,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:39,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:39,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:39,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:08:39,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:39,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:39,785 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 12:08:39,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310920177] [2020-09-25 12:08:39,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:08:39,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 12:08:39,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078524878] [2020-09-25 12:08:39,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 12:08:39,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:08:39,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 12:08:39,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 12:08:39,793 INFO L87 Difference]: Start difference. First operand 576 states and 662 transitions. Second operand 12 states. [2020-09-25 12:08:40,494 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 12:08:43,454 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 12:08:43,890 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 12:08:44,408 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 12:08:44,779 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 12:08:45,191 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 12:08:45,621 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 12:08:45,993 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 12:08:46,695 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 12:08:50,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:08:50,703 INFO L93 Difference]: Finished difference Result 1677 states and 2224 transitions. [2020-09-25 12:08:50,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 12:08:50,703 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 250 [2020-09-25 12:08:50,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:08:50,715 INFO L225 Difference]: With dead ends: 1677 [2020-09-25 12:08:50,715 INFO L226 Difference]: Without dead ends: 1253 [2020-09-25 12:08:50,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=232, Invalid=580, Unknown=0, NotChecked=0, Total=812 [2020-09-25 12:08:50,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-09-25 12:08:50,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1017. [2020-09-25 12:08:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1017 states. [2020-09-25 12:08:50,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1240 transitions. [2020-09-25 12:08:50,980 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1240 transitions. Word has length 250 [2020-09-25 12:08:50,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:08:50,981 INFO L479 AbstractCegarLoop]: Abstraction has 1017 states and 1240 transitions. [2020-09-25 12:08:50,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 12:08:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1240 transitions. [2020-09-25 12:08:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 12:08:50,988 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:08:50,989 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:08:50,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:08:50,989 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:08:50,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:08:50,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1314452559, now seen corresponding path program 1 times [2020-09-25 12:08:50,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:08:50,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804083137] [2020-09-25 12:08:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:08:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:51,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:51,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:54,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:56,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:56,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-25 12:08:56,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:08:56,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 12:08:56,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:56,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:56,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:08:56,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-25 12:08:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-25 12:08:56,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:56,477 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 12:08:56,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:08:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:56,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:56,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:56,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:08:56,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-25 12:08:56,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:56,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 12:08:56,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:08:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 12:08:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:56,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:56,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:56,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:08:56,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:56,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:08:56,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:56,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:56,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:56,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:56,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:08:56,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:56,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 12:08:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:56,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:56,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:56,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:08:56,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 12:08:56,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:56,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 12:08:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:56,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:08:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:56,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:56,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:56,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:56,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:56,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:56,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:56,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:56,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:56,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:56,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:56,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:08:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:56,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:57,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:57,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:08:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:57,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:57,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:57,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:57,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:08:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:57,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:57,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 12:08:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:57,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:57,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:57,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 12:08:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:57,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:08:57,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 12:08:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:57,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:08:57,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:08:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 12:08:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:57,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:08:57,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:57,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:57,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:08:57,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 12:08:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:08:57,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 12:08:57,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 12:08:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 12:08:57,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:08:57,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 12:08:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:08:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:08:57,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:57,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:08:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:08:57,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:57,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:57,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:08:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:57,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:08:57,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:57,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-25 12:08:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:57,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:57,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:08:57,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 12:08:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:57,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:57,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:57,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:57,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:57,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:57,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:57,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:57,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:57,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:08:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:57,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 12:08:57,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804083137] [2020-09-25 12:08:57,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:08:57,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:08:57,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897391461] [2020-09-25 12:08:57,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:08:57,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:08:57,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:08:57,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:08:57,324 INFO L87 Difference]: Start difference. First operand 1017 states and 1240 transitions. Second operand 8 states. [2020-09-25 12:08:58,379 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 12:09:03,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:09:03,850 INFO L93 Difference]: Finished difference Result 2627 states and 3799 transitions. [2020-09-25 12:09:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 12:09:03,851 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2020-09-25 12:09:03,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:09:03,866 INFO L225 Difference]: With dead ends: 2627 [2020-09-25 12:09:03,866 INFO L226 Difference]: Without dead ends: 1762 [2020-09-25 12:09:03,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-09-25 12:09:03,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states. [2020-09-25 12:09:04,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 1391. [2020-09-25 12:09:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2020-09-25 12:09:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1820 transitions. [2020-09-25 12:09:04,289 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1820 transitions. Word has length 245 [2020-09-25 12:09:04,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:09:04,290 INFO L479 AbstractCegarLoop]: Abstraction has 1391 states and 1820 transitions. [2020-09-25 12:09:04,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:09:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1820 transitions. [2020-09-25 12:09:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-09-25 12:09:04,303 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:09:04,304 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:09:04,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:09:04,305 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:09:04,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:09:04,306 INFO L82 PathProgramCache]: Analyzing trace with hash 895477176, now seen corresponding path program 1 times [2020-09-25 12:09:04,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:09:04,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892241991] [2020-09-25 12:09:04,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:09:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:09:04,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:09:04,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:09:05,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking...