/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:35:07,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:35:07,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:35:07,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:35:07,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:35:07,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:35:07,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:35:07,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:35:07,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:35:07,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:35:07,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:35:07,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:35:07,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:35:07,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:35:07,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:35:07,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:35:07,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:35:07,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:35:07,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:35:07,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:35:07,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:35:07,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:35:07,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:35:07,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:35:07,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:35:07,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:35:07,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:35:07,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:35:07,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:35:07,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:35:07,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:35:07,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:35:07,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:35:07,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:35:07,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:35:07,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:35:07,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:35:07,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:35:07,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:35:07,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:35:07,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:35:07,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 22:35:07,782 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:35:07,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:35:07,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:35:07,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:35:07,790 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:35:07,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:35:07,791 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:35:07,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:35:07,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:35:07,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:35:07,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:35:07,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:35:07,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:35:07,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:35:07,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:35:07,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:35:07,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:35:07,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:35:07,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:35:07,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:35:07,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:35:07,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:35:07,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:35:07,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:35:07,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:35:07,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:35:07,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:35:07,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:35:07,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:35:07,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:35:08,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:35:08,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:35:08,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:35:08,311 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:35:08,313 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:35:08,314 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-24 22:35:08,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0554adefe/2b85a0369d694cdfae9b0acb58fc60bc/FLAGa2459e506 [2020-09-24 22:35:09,019 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:35:09,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-24 22:35:09,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0554adefe/2b85a0369d694cdfae9b0acb58fc60bc/FLAGa2459e506 [2020-09-24 22:35:09,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0554adefe/2b85a0369d694cdfae9b0acb58fc60bc [2020-09-24 22:35:09,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:35:09,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:35:09,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:35:09,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:35:09,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:35:09,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:35:09" (1/1) ... [2020-09-24 22:35:09,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a688b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:09, skipping insertion in model container [2020-09-24 22:35:09,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:35:09" (1/1) ... [2020-09-24 22:35:09,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:35:09,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:35:09,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:35:09,977 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:35:10,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:35:10,100 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:35:10,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:10 WrapperNode [2020-09-24 22:35:10,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:35:10,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:35:10,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:35:10,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:35:10,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:10" (1/1) ... [2020-09-24 22:35:10,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:10" (1/1) ... [2020-09-24 22:35:10,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:10" (1/1) ... [2020-09-24 22:35:10,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:10" (1/1) ... [2020-09-24 22:35:10,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:10" (1/1) ... [2020-09-24 22:35:10,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:10" (1/1) ... [2020-09-24 22:35:10,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:10" (1/1) ... [2020-09-24 22:35:10,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:35:10,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:35:10,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:35:10,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:35:10,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:35:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:35:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:35:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:35:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:35:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:35:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:35:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:35:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:35:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 22:35:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:35:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:35:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:35:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:35:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:35:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:35:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 22:35:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:35:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:35:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:35:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:35:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:35:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:35:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:35:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:35:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:35:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:35:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:35:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:35:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:35:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:35:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:35:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:35:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:35:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:35:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:35:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:35:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:35:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:35:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:35:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:35:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:35:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:35:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:35:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:35:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:35:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:35:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:35:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:35:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:35:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:35:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:35:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:35:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:35:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:35:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:35:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 22:35:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:35:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:35:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:35:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:35:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:35:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:35:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:35:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 22:35:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:35:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:35:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:35:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:35:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:35:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:35:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:35:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:35:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:35:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:35:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:35:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:35:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:35:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:35:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:35:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:35:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:35:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:35:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:35:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:35:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:35:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:35:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:35:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:35:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:35:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:35:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:35:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:35:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:35:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:35:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:35:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:35:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:35:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:35:11,555 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:35:11,555 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:35:11,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:35:11 BoogieIcfgContainer [2020-09-24 22:35:11,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:35:11,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:35:11,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:35:11,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:35:11,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:35:09" (1/3) ... [2020-09-24 22:35:11,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1f7eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:35:11, skipping insertion in model container [2020-09-24 22:35:11,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:10" (2/3) ... [2020-09-24 22:35:11,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1f7eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:35:11, skipping insertion in model container [2020-09-24 22:35:11,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:35:11" (3/3) ... [2020-09-24 22:35:11,574 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-09-24 22:35:11,587 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:35:11,600 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:35:11,621 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:35:11,651 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:35:11,652 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:35:11,652 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:35:11,652 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:35:11,652 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:35:11,652 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:35:11,652 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:35:11,653 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:35:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-09-24 22:35:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 22:35:11,704 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:11,705 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:11,706 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:11,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:11,715 INFO L82 PathProgramCache]: Analyzing trace with hash 41211657, now seen corresponding path program 1 times [2020-09-24 22:35:11,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:11,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728688808] [2020-09-24 22:35:11,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:12,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:12,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:13,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:14,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:16,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 22:35:17,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:35:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-24 22:35:17,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:17,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-24 22:35:17,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:35:17,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-24 22:35:17,622 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:17,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:17,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:17,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-24 22:35:17,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:17,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:17,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:17,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:17,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:17,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:17,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:17,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:17,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:17,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:17,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:17,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:17,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:17,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:17,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:17,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:17,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:35:17,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:17,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:17,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:17,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:17,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:17,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:17,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:17,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:17,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:17,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:17,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:17,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:17,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:35:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:17,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:17,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:17,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:17,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:17,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:17,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:17,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:17,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:17,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:17,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:17,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 22:35:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:17,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:17,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:17,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:17,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:17,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:17,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:17,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 22:35:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:17,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:17,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:17,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:17,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:35:17,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:17,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:35:18,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728688808] [2020-09-24 22:35:18,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:18,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:35:18,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336928978] [2020-09-24 22:35:18,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:35:18,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:18,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:35:18,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:35:18,074 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 9 states. [2020-09-24 22:35:18,771 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:19,590 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:19,916 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:21,599 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:21,907 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:22,311 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:22,957 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:23,282 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:23,600 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:24,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:24,229 INFO L93 Difference]: Finished difference Result 652 states and 790 transitions. [2020-09-24 22:35:24,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:35:24,239 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 22:35:24,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:24,269 INFO L225 Difference]: With dead ends: 652 [2020-09-24 22:35:24,269 INFO L226 Difference]: Without dead ends: 442 [2020-09-24 22:35:24,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:35:24,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-09-24 22:35:24,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 393. [2020-09-24 22:35:24,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-09-24 22:35:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 440 transitions. [2020-09-24 22:35:24,418 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 440 transitions. Word has length 160 [2020-09-24 22:35:24,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:24,419 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 440 transitions. [2020-09-24 22:35:24,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:35:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 440 transitions. [2020-09-24 22:35:24,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-24 22:35:24,426 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:24,426 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:24,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:35:24,427 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:24,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:24,427 INFO L82 PathProgramCache]: Analyzing trace with hash 902461611, now seen corresponding path program 1 times [2020-09-24 22:35:24,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:24,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796242963] [2020-09-24 22:35:24,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:24,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:24,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:26,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:26,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-24 22:35:26,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:35:26,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2219 [2020-09-24 22:35:26,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:26,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:26,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-24 22:35:26,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:26,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:27,045 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:27,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:27,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 22:35:27,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:27,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:27,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:27,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:27,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:27,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:27,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:27,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:27,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:35:27,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:27,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:27,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 22:35:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:27,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:27,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:27,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:27,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:27,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:27,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:35:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:35:27,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 22:35:27,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:35:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:27,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:35:27,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-24 22:35:27,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:35:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:27,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:27,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 22:35:27,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:27,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:35:27,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:27,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:27,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:27,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:35:27,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 22:35:27,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:35:27,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:35:27,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:27,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:27,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:27,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:35:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:27,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:27,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:27,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 22:35:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:27,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:27,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:27,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 22:35:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:27,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:27,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:27,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:27,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:27,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:27,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:27,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:27,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:27,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:35:27,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796242963] [2020-09-24 22:35:27,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:27,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:35:27,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080743225] [2020-09-24 22:35:27,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:35:27,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:27,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:35:27,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:35:27,852 INFO L87 Difference]: Start difference. First operand 393 states and 440 transitions. Second operand 10 states. [2020-09-24 22:35:29,661 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:29,978 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:30,328 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:35:30,694 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:31,023 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 22:35:31,329 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:32,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:32,412 INFO L93 Difference]: Finished difference Result 769 states and 936 transitions. [2020-09-24 22:35:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 22:35:32,413 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 221 [2020-09-24 22:35:32,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:32,421 INFO L225 Difference]: With dead ends: 769 [2020-09-24 22:35:32,421 INFO L226 Difference]: Without dead ends: 491 [2020-09-24 22:35:32,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 22:35:32,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-09-24 22:35:32,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 410. [2020-09-24 22:35:32,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-24 22:35:32,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 463 transitions. [2020-09-24 22:35:32,534 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 463 transitions. Word has length 221 [2020-09-24 22:35:32,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:32,536 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 463 transitions. [2020-09-24 22:35:32,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:35:32,536 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 463 transitions. [2020-09-24 22:35:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 22:35:32,542 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:32,543 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:32,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:35:32,543 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:32,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:32,544 INFO L82 PathProgramCache]: Analyzing trace with hash 880367573, now seen corresponding path program 1 times [2020-09-24 22:35:32,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:32,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979437991] [2020-09-24 22:35:32,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:32,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:33,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:33,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 22:35:33,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:33,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 844 [2020-09-24 22:35:33,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:33,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:33,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-24 22:35:33,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:33,728 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:33,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:33,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:33,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:33,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:33,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:33,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-24 22:35:33,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:33,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:33,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:33,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:33,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:33,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:33,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:33,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:33,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:33,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:33,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:33,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:33,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:33,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:33,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:33,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:33,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:33,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:33,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:33,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:33,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:33,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:33,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:33,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:33,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:33,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:33,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:33,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:33,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:33,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:33,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:33,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:33,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:33,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:33,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:33,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:33,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:33,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:33,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:33,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:33,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:33,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:33,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:33,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:33,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 22:35:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:33,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:33,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:33,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:33,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:33,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:33,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:33,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:33,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:33,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:33,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:33,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:33,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:33,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:33,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:33,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:33,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:33,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:33,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 22:35:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:33,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:34,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:34,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:35:34,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:34,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 22:35:34,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:34,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 22:35:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:34,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:34,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:34,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:34,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:34,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:35:34,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:34,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 22:35:34,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:34,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:34,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:35:34,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:34,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:34,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:34,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:34,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:34,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:34,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:34,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 22:35:34,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:34,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:34,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:35:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:34,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:34,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:34,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:34,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:34,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:34,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:34,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:35:34,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:35:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:34,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:34,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:34,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:34,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:34,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:35:34,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:35:34,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:34,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:35:34,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:34,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:34,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:34,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:34,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:34,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:35:34,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:35:34,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:34,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:34,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:34,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:34,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:34,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:34,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:34,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:34,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:34,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:35:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:34,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:34,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:34,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:34,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:34,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:34,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:34,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 22:35:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:34,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:34,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:34,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:34,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:34,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:34,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:34,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:34,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 22:35:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:34,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:34,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:34,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:34,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:34,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:34,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:34,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:34,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:34,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:34,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:35:34,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979437991] [2020-09-24 22:35:34,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:34,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:35:34,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592986450] [2020-09-24 22:35:34,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:35:34,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:34,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:35:34,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:35:34,406 INFO L87 Difference]: Start difference. First operand 410 states and 463 transitions. Second operand 9 states. [2020-09-24 22:35:35,933 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:36,262 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:36,624 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:36,950 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:35:37,264 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:38,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:38,312 INFO L93 Difference]: Finished difference Result 790 states and 963 transitions. [2020-09-24 22:35:38,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 22:35:38,314 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-24 22:35:38,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:38,319 INFO L225 Difference]: With dead ends: 790 [2020-09-24 22:35:38,319 INFO L226 Difference]: Without dead ends: 495 [2020-09-24 22:35:38,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:35:38,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-09-24 22:35:38,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 416. [2020-09-24 22:35:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-09-24 22:35:38,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 469 transitions. [2020-09-24 22:35:38,379 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 469 transitions. Word has length 230 [2020-09-24 22:35:38,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:38,380 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 469 transitions. [2020-09-24 22:35:38,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:35:38,380 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 469 transitions. [2020-09-24 22:35:38,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 22:35:38,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:38,385 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:38,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:35:38,385 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:38,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:38,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1607472850, now seen corresponding path program 1 times [2020-09-24 22:35:38,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:38,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162812169] [2020-09-24 22:35:38,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:38,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:39,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:39,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 22:35:39,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:39,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1533 [2020-09-24 22:35:39,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:39,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 22:35:39,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 22:35:39,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 22:35:39,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:40,340 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:40,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:40,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:40,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:40,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:40,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-24 22:35:40,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:40,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 22:35:40,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:40,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:40,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:40,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:40,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:40,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:35:40,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:40,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:40,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:40,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:40,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:35:40,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:35:40,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:40,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:40,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:40,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:40,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:35:40,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:40,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:40,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:40,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:40,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:40,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:40,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:40,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:35:40,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:40,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:40,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:40,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:40,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:40,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:40,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:40,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:40,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:40,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:35:40,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:35:40,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 22:35:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:40,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:40,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:40,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:40,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:35:40,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:40,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:35:40,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:40,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:40,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:40,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:40,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:40,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:40,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:40,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:40,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 22:35:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:40,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:40,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:35:40,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:40,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 22:35:40,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:40,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:40,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 22:35:40,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 22:35:40,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:40,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:40,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:40,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:35:40,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:40,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 22:35:40,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 22:35:40,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:40,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:40,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:41,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:41,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:41,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 22:35:41,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:41,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:41,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:41,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:41,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:41,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:41,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:41,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:41,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:41,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:41,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:41,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:41,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:41,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:35:41,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:41,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:41,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:41,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:35:41,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:41,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 22:35:41,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:41,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:41,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 22:35:41,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:41,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:41,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:41,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:41,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:35:41,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:41,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:41,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:41,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:41,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:41,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:41,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:41,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:41,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:41,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:41,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:41,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:41,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:41,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:35:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:41,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:41,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:41,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:41,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:41,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:41,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:41,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:41,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 22:35:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:41,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:41,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:41,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:41,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:41,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:41,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:35:41,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 22:35:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:41,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:41,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:41,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:41,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:41,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:41,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:35:41,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162812169] [2020-09-24 22:35:41,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:41,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 22:35:41,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932234661] [2020-09-24 22:35:41,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 22:35:41,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:41,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 22:35:41,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 22:35:41,245 INFO L87 Difference]: Start difference. First operand 416 states and 469 transitions. Second operand 7 states. [2020-09-24 22:35:41,915 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:42,747 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:45,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:45,467 INFO L93 Difference]: Finished difference Result 1120 states and 1386 transitions. [2020-09-24 22:35:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:35:45,468 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-24 22:35:45,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:45,474 INFO L225 Difference]: With dead ends: 1120 [2020-09-24 22:35:45,474 INFO L226 Difference]: Without dead ends: 808 [2020-09-24 22:35:45,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:35:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2020-09-24 22:35:45,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 718. [2020-09-24 22:35:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2020-09-24 22:35:45,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 838 transitions. [2020-09-24 22:35:45,580 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 838 transitions. Word has length 230 [2020-09-24 22:35:45,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:45,581 INFO L479 AbstractCegarLoop]: Abstraction has 718 states and 838 transitions. [2020-09-24 22:35:45,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 22:35:45,581 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 838 transitions. [2020-09-24 22:35:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 22:35:45,585 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:45,585 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:45,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:35:45,586 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:45,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:45,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1130657052, now seen corresponding path program 1 times [2020-09-24 22:35:45,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:45,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595151899] [2020-09-24 22:35:45,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:50,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-24 22:35:50,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:35:50,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-24 22:35:50,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 22:35:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-24 22:35:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-24 22:35:50,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,013 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:51,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:51,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-24 22:35:51,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:51,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:51,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:51,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:51,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:51,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:51,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:51,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:51,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:51,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:51,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:51,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:51,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 22:35:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:35:51,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 22:35:51,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:35:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:35:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:35:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:51,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:35:51,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:35:51,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:51,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:51,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:51,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 22:35:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:35:51,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 22:35:51,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:35:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 22:35:51,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:35:51,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 22:35:51,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:51,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 22:35:51,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:51,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 22:35:51,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:51,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:51,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:51,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:35:51,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:35:51,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 22:35:51,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:51,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 22:35:51,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:35:51,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:51,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:51,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:51,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:51,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:35:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:51,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:51,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:51,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 22:35:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:51,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:35:51,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:51,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:51,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:51,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 22:35:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:51,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:51,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:51,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:51,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:51,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:35:51,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:51,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:35:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:35:51,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595151899] [2020-09-24 22:35:51,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:51,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 22:35:51,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425416829] [2020-09-24 22:35:51,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 22:35:51,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:51,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 22:35:51,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-24 22:35:51,710 INFO L87 Difference]: Start difference. First operand 718 states and 838 transitions. Second operand 14 states. [2020-09-24 22:35:52,178 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:52,968 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:53,780 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:54,097 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:54,481 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:54,891 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:55,167 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:55,632 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:55,937 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:57,252 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:57,608 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:57,965 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191