/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=WIDEST --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_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:05:51,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:05:51,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:05:51,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:05:51,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:05:51,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:05:51,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:05:51,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:05:51,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:05:51,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:05:51,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:05:51,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:05:51,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:05:51,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:05:51,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:05:51,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:05:51,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:05:51,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:05:51,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:05:51,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:05:51,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:05:51,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:05:51,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:05:51,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:05:51,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:05:51,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:05:51,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:05:51,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:05:51,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:05:51,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:05:51,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:05:51,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:05:51,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:05:51,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:05:51,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:05:51,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:05:51,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:05:51,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:05:51,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:05:51,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:05:51,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:05:51,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:05:51,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:05:51,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:05:51,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:05:51,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:05:51,810 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:05:51,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:05:51,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:05:51,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:05:51,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:05:51,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:05:51,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:05:51,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:05:51,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:05:51,814 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:05:51,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:05:51,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:05:51,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:05:51,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:05:51,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:05:51,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:05:51,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:05:51,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:05:51,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:05:51,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:05:51,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:05:51,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:05:51,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:05:51,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:05:51,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:05:51,817 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:05:52,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:05:52,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:05:52,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:05:52,360 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:05:52,361 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:05:52,362 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-25 03:05:52,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8f70b4fe/7be5880f9b3a4bfdaf22f1cdbc0bed0f/FLAGc9cea6f59 [2020-09-25 03:05:53,116 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:05:53,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-25 03:05:53,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8f70b4fe/7be5880f9b3a4bfdaf22f1cdbc0bed0f/FLAGc9cea6f59 [2020-09-25 03:05:53,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8f70b4fe/7be5880f9b3a4bfdaf22f1cdbc0bed0f [2020-09-25 03:05:53,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:05:53,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:05:53,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:05:53,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:05:53,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:05:53,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:05:53" (1/1) ... [2020-09-25 03:05:53,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:53, skipping insertion in model container [2020-09-25 03:05:53,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:05:53" (1/1) ... [2020-09-25 03:05:53,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:05:53,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:05:53,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:05:53,967 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:05:54,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:05:54,086 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:05:54,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:54 WrapperNode [2020-09-25 03:05:54,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:05:54,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:05:54,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:05:54,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:05:54,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:54" (1/1) ... [2020-09-25 03:05:54,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:54" (1/1) ... [2020-09-25 03:05:54,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:54" (1/1) ... [2020-09-25 03:05:54,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:54" (1/1) ... [2020-09-25 03:05:54,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:54" (1/1) ... [2020-09-25 03:05:54,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:54" (1/1) ... [2020-09-25 03:05:54,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:54" (1/1) ... [2020-09-25 03:05:54,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:05:54,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:05:54,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:05:54,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:05:54,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:05:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:05:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:05:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:05:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:05:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:05:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:05:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:05:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:05:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:05:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:05:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:05:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:05:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:05:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:05:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:05:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:05:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:05:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:05:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:05:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:05:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:05:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:05:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:05:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:05:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:05:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:05:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:05:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:05:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:05:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:05:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:05:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:05:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:05:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:05:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:05:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:05:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:05:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:05:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:05:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:05:54,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:05:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:05:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:05:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:05:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:05:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:05:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:05:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:05:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:05:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:05:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:05:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:05:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:05:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:05:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:05:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:05:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:05:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:05:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:05:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:05:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:05:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:05:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:05:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:05:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:05:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:05:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:05:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:05:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:05:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:05:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:05:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:05:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:05:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:05:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:05:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:05:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:05:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:05:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:05:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:05:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:05:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:05:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:05:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:05:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:05:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:05:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:05:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:05:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:05:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:05:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:05:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:05:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:05:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:05:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:05:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:05:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:05:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:05:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:05:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:05:55,611 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:05:55,611 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:05:55,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:05:55 BoogieIcfgContainer [2020-09-25 03:05:55,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:05:55,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:05:55,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:05:55,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:05:55,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:05:53" (1/3) ... [2020-09-25 03:05:55,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182188d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:05:55, skipping insertion in model container [2020-09-25 03:05:55,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:54" (2/3) ... [2020-09-25 03:05:55,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182188d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:05:55, skipping insertion in model container [2020-09-25 03:05:55,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:05:55" (3/3) ... [2020-09-25 03:05:55,639 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-09-25 03:05:55,652 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:05:55,664 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:05:55,684 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:05:55,718 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:05:55,718 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:05:55,718 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:05:55,719 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:05:55,719 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:05:55,719 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:05:55,719 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:05:55,719 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:05:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-09-25 03:05:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 03:05:55,772 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:55,773 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] [2020-09-25 03:05:55,774 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:55,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:55,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1833758350, now seen corresponding path program 1 times [2020-09-25 03:05:55,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:55,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988374771] [2020-09-25 03:05:55,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:56,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:56,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:59,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:01,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:01,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 03:06:01,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:06:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-09-25 03:06:01,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:06:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 03:06:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 03:06:01,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:06:01,800 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:06:01,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:01,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:02,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:02,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:02,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:02,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-09-25 03:06:02,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:02,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:02,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:02,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 03:06:02,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:02,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:06:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:02,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:02,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:02,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:02,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:02,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:06:02,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:02,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:02,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:02,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:06:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:02,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:02,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:02,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:02,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:02,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 03:06:02,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:02,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:02,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:02,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:02,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:06:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:02,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:02,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:02,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:02,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:02,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:06:02,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:02,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:02,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:06:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:02,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:02,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:02,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:02,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:02,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:06:02,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:02,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:02,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:02,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:06:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:02,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:02,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:02,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:02,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:02,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:06:02,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:02,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:02,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:02,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:06:02,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:02,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:06:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:02,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:02,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:02,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:02,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:02,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:06:02,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:02,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:02,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:06:02,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:02,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:02,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:02,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:02,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:02,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:02,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:02,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:02,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:02,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:02,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 03:06:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:02,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:02,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:02,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:02,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:02,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:02,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:02,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:02,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:06:02,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:06:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:02,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:02,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:02,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:02,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:02,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:06:02,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:02,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:02,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:02,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:02,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 03:06:02,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988374771] [2020-09-25 03:06:02,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:06:02,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:06:02,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320297795] [2020-09-25 03:06:02,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:06:02,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:06:02,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:06:02,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:06:02,593 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 9 states. [2020-09-25 03:06:03,446 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:04,310 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:04,635 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:06,071 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:06,370 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:06,748 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:07,267 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:07,616 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 03:06:07,936 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 03:06:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:06:08,634 INFO L93 Difference]: Finished difference Result 660 states and 788 transitions. [2020-09-25 03:06:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:06:08,637 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 03:06:08,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:06:08,659 INFO L225 Difference]: With dead ends: 660 [2020-09-25 03:06:08,659 INFO L226 Difference]: Without dead ends: 437 [2020-09-25 03:06:08,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:06:08,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-09-25 03:06:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 391. [2020-09-25 03:06:08,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-25 03:06:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 436 transitions. [2020-09-25 03:06:08,837 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 436 transitions. Word has length 160 [2020-09-25 03:06:08,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:06:08,841 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 436 transitions. [2020-09-25 03:06:08,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:06:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 436 transitions. [2020-09-25 03:06:08,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 03:06:08,859 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:08,860 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] [2020-09-25 03:06:08,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:06:08,860 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:08,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:08,861 INFO L82 PathProgramCache]: Analyzing trace with hash -816624676, now seen corresponding path program 1 times [2020-09-25 03:06:08,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:08,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503778157] [2020-09-25 03:06:08,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:09,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:09,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:11,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:11,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 03:06:11,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:06:11,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2353 [2020-09-25 03:06:11,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:11,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:06:11,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 03:06:11,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:11,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:11,597 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:06:11,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:11,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:11,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:11,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:11,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:11,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 03:06:11,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:11,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:11,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:11,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:11,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:11,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:06:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:11,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:11,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:11,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:11,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:11,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:06:11,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:11,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:11,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:11,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:11,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:11,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:06:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:11,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:11,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:11,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:11,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:11,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:06:11,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:11,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:06:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:11,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:11,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:11,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:11,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:11,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:11,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:11,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:11,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:11,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:11,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:11,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:06:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:11,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:11,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:11,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:11,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:11,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:11,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:11,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:11,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:11,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:11,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:06:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:11,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:11,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:11,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:11,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:11,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:11,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:11,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:06:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:11,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:11,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:11,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:11,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:11,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:11,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:11,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:11,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:11,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:11,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:11,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:11,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:11,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:11,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:11,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:11,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:11,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:11,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:11,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:06:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:11,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:11,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:11,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:06:11,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:11,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 03:06:11,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:11,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:06:11,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 03:06:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:11,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:11,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:11,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:12,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:12,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:06:12,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:12,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 03:06:12,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:12,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:06:12,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:06:12,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:12,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:12,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:12,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:12,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:12,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:06:12,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:12,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 03:06:12,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:12,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:12,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:12,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:06:12,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:12,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:06:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:12,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:12,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:12,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:06:12,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:12,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:12,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:12,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:12,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:06:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:12,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:12,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:12,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:06:12,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:12,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:06:12,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:12,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:12,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:06:12,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:12,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:12,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:12,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:12,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:12,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:06:12,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:12,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:12,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:12,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:12,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:12,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:12,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:12,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:12,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:12,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:12,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:12,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:12,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:12,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:12,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:12,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:06:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:12,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:12,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:12,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:12,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:12,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:12,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:12,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:12,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:12,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:12,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 03:06:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:12,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:12,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:12,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:12,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:12,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:12,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:12,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:12,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:12,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:12,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 03:06:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:12,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:12,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:12,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:12,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:12,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:12,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:12,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:12,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:12,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:12,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:06:12,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503778157] [2020-09-25 03:06:12,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:06:12,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:06:12,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504572430] [2020-09-25 03:06:12,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:06:12,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:06:12,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:06:12,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:06:12,410 INFO L87 Difference]: Start difference. First operand 391 states and 436 transitions. Second operand 10 states. [2020-09-25 03:06:14,054 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:14,377 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:14,700 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:15,034 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:15,423 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:06:15,701 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:16,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:06:16,764 INFO L93 Difference]: Finished difference Result 759 states and 919 transitions. [2020-09-25 03:06:16,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:06:16,765 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 221 [2020-09-25 03:06:16,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:06:16,772 INFO L225 Difference]: With dead ends: 759 [2020-09-25 03:06:16,772 INFO L226 Difference]: Without dead ends: 483 [2020-09-25 03:06:16,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 03:06:16,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-09-25 03:06:16,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 405. [2020-09-25 03:06:16,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-25 03:06:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 456 transitions. [2020-09-25 03:06:16,841 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 456 transitions. Word has length 221 [2020-09-25 03:06:16,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:06:16,842 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 456 transitions. [2020-09-25 03:06:16,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:06:16,843 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 456 transitions. [2020-09-25 03:06:16,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-09-25 03:06:16,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:16,847 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:06:16,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:06:16,848 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:16,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:16,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1151484107, now seen corresponding path program 1 times [2020-09-25 03:06:16,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:16,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115682458] [2020-09-25 03:06:16,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:16,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:17,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:17,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:17,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:21,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:21,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:21,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-09-25 03:06:21,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:06:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-09-25 03:06:21,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:06:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 03:06:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-25 03:06:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,280 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:06:22,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:22,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-25 03:06:22,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 03:06:22,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:06:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:22,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:22,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:22,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:06:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:22,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:22,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:22,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:22,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:06:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:22,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:06:22,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:22,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:22,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:06:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:22,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:22,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:22,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:06:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:22,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:22,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:06:22,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:06:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 03:06:22,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 03:06:22,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:06:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:06:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 03:06:22,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:22,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:22,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:06:22,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:06:22,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:22,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:22,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:22,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 03:06:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:06:22,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 03:06:22,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 03:06:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:06:22,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:22,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:22,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:06:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:06:22,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 03:06:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:22,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:22,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:06:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:22,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:22,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:22,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:22,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:06:22,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:22,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:22,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:06:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:22,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:23,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:06:23,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:06:23,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 03:06:23,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:06:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:06:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:23,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:23,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:23,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:06:23,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:23,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 03:06:23,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:06:23,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:06:23,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:23,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:23,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:06:23,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:23,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 03:06:23,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:06:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:06:23,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:23,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:06:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:23,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:23,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:06:23,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:23,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:06:23,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:23,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:06:23,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:23,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:23,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:23,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:06:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:23,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:23,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:06:23,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:23,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:06:23,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:23,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:23,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:06:23,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:23,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:23,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:23,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:23,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:06:23,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:23,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:23,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:23,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:23,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:23,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:23,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:23,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:23,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:23,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:23,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:23,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:23,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:23,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:06:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:23,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:23,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:23,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:23,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:23,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 03:06:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:23,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:23,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:23,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:23,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:23,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:23,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:23,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 03:06:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:23,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:23,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:23,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:23,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:23,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:23,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 03:06:23,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115682458] [2020-09-25 03:06:23,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:06:23,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-25 03:06:23,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658099351] [2020-09-25 03:06:23,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-25 03:06:23,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:06:23,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-25 03:06:23,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:06:23,495 INFO L87 Difference]: Start difference. First operand 405 states and 456 transitions. Second operand 19 states. [2020-09-25 03:06:24,065 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:25,630 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:26,005 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:26,384 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:26,726 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:27,067 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:27,398 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:27,726 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:28,075 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:28,427 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:28,725 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:29,032 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:29,340 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:29,693 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:30,029 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:30,343 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:30,698 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:31,303 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:06:31,636 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:32,493 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-25 03:06:34,329 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:06:34,939 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 03:06:35,591 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:06:36,238 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 03:06:39,538 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:39,862 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:40,203 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:40,565 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:42,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:06:42,973 INFO L93 Difference]: Finished difference Result 1629 states and 2266 transitions. [2020-09-25 03:06:42,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-09-25 03:06:42,974 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 257 [2020-09-25 03:06:42,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:06:42,984 INFO L225 Difference]: With dead ends: 1629 [2020-09-25 03:06:42,984 INFO L226 Difference]: Without dead ends: 1296 [2020-09-25 03:06:42,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1319 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=844, Invalid=3848, Unknown=0, NotChecked=0, Total=4692 [2020-09-25 03:06:42,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2020-09-25 03:06:43,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1045. [2020-09-25 03:06:43,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-09-25 03:06:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1227 transitions. [2020-09-25 03:06:43,169 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1227 transitions. Word has length 257 [2020-09-25 03:06:43,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:06:43,170 INFO L479 AbstractCegarLoop]: Abstraction has 1045 states and 1227 transitions. [2020-09-25 03:06:43,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-25 03:06:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1227 transitions. [2020-09-25 03:06:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 03:06:43,176 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:43,176 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] [2020-09-25 03:06:43,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:06:43,177 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:43,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:43,177 INFO L82 PathProgramCache]: Analyzing trace with hash 851733322, now seen corresponding path program 1 times [2020-09-25 03:06:43,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:43,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746811612] [2020-09-25 03:06:43,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:43,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:43,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking...