/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:36:56,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:36:56,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:36:56,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:36:56,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:36:56,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:36:56,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:36:56,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:36:56,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:36:56,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:36:56,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:36:56,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:36:56,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:36:56,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:36:56,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:36:56,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:36:56,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:36:56,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:36:56,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:36:56,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:36:56,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:36:56,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:36:56,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:36:56,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:36:56,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:36:56,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:36:56,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:36:56,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:36:56,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:36:56,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:36:56,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:36:56,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:36:56,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:36:56,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:36:56,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:36:56,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:36:56,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:36:56,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:36:56,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:36:56,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:36:56,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:36:56,765 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 08:36:56,827 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:36:56,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:36:56,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:36:56,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:36:56,831 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:36:56,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:36:56,831 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:36:56,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:36:56,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:36:56,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:36:56,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:36:56,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:36:56,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:36:56,833 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:36:56,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:36:56,834 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:36:56,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:36:56,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:36:56,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:36:56,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:36:56,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:36:56,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:36:56,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:36:56,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:36:56,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:36:56,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:36:56,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:36:56,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:36:56,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:36:56,837 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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:36:57,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:36:57,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:36:57,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:36:57,352 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:36:57,353 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:36:57,354 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-09-25 08:36:57,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58cda31ad/c941759beebe4ca5bed4d877856ca270/FLAGd1e992307 [2020-09-25 08:36:58,032 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:36:58,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-09-25 08:36:58,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58cda31ad/c941759beebe4ca5bed4d877856ca270/FLAGd1e992307 [2020-09-25 08:36:58,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58cda31ad/c941759beebe4ca5bed4d877856ca270 [2020-09-25 08:36:58,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:36:58,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:36:58,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:36:58,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:36:58,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:36:58,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:36:58" (1/1) ... [2020-09-25 08:36:58,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1e44a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:58, skipping insertion in model container [2020-09-25 08:36:58,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:36:58" (1/1) ... [2020-09-25 08:36:58,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:36:58,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:36:58,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:36:58,977 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:36:59,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:36:59,107 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:36:59,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:59 WrapperNode [2020-09-25 08:36:59,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:36:59,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:36:59,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:36:59,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:36:59,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:59" (1/1) ... [2020-09-25 08:36:59,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:59" (1/1) ... [2020-09-25 08:36:59,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:59" (1/1) ... [2020-09-25 08:36:59,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:59" (1/1) ... [2020-09-25 08:36:59,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:59" (1/1) ... [2020-09-25 08:36:59,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:59" (1/1) ... [2020-09-25 08:36:59,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:59" (1/1) ... [2020-09-25 08:36:59,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:36:59,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:36:59,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:36:59,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:36:59,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:59" (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 08:36:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:36:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:36:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:36:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:36:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:36:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:36:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:36:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:36:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:36:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:36:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:36:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:36:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:36:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:36:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:36:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:36:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 08:36:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:36:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:36:59,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:36:59,299 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:36:59,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:36:59,299 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:36:59,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:36:59,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:36:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 08:36:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:36:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 08:36:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:36:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:36:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:36:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:36:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:36:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:36:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:36:59,306 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:36:59,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:36:59,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:36:59,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:36:59,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:36:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:36:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:36:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:36:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:36:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:36:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:36:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:36:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:36:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:36:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:36:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:36:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:36:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:36:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:36:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:36:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:36:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:36:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:36:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:36:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:36:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 08:36:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:36:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:36:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:36:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:36:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:36:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:36:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:36:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:36:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:36:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:36:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:36:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:36:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:36:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:36:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:36:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 08:36:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:36:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 08:36:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:36:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:36:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:36:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:36:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:36:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:36:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:36:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:36:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:36:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:36:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:36:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:36:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:36:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:36:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:36:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:36:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:36:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:36:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:37:00,562 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:37:00,562 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:37:00,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:37:00 BoogieIcfgContainer [2020-09-25 08:37:00,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:37:00,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:37:00,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:37:00,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:37:00,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:36:58" (1/3) ... [2020-09-25 08:37:00,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acac843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:37:00, skipping insertion in model container [2020-09-25 08:37:00,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:36:59" (2/3) ... [2020-09-25 08:37:00,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acac843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:37:00, skipping insertion in model container [2020-09-25 08:37:00,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:37:00" (3/3) ... [2020-09-25 08:37:00,581 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2020-09-25 08:37:00,594 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:37:00,607 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:37:00,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:37:00,671 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:37:00,672 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:37:00,672 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:37:00,673 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:37:00,673 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:37:00,674 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:37:00,674 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:37:00,674 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:37:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states. [2020-09-25 08:37:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:37:00,761 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:37:00,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:00,765 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:37:00,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:37:00,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1532916738, now seen corresponding path program 1 times [2020-09-25 08:37:00,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:37:00,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803615674] [2020-09-25 08:37:00,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:37:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:01,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:01,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:02,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:03,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:03,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:06,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:06,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:37:06,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:37:06,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 08:37:06,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:06,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 08:37:06,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 08:37:06,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 08:37:06,813 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:37:06,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:37:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:06,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:07,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:07,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:37:07,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:07,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-09-25 08:37:07,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:07,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:07,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 08:37:07,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:07,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:37:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:07,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:07,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:07,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:07,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:07,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 08:37:07,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:07,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:07,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:07,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:37:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:07,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:07,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:07,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:07,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:07,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:07,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:07,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:37:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:07,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:07,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:07,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:07,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:07,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:37:07,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:07,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:37:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:07,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:37:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:07,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:07,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:07,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:07,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:07,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:07,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:07,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:07,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:37:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:07,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:07,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:07,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:07,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:07,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:07,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:07,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:07,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:07,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:37:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:07,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:07,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:07,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:07,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:07,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:07,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:07,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:37:07,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803615674] [2020-09-25 08:37:07,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:37:07,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:37:07,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490464739] [2020-09-25 08:37:07,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:37:07,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:37:07,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:37:07,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:37:07,449 INFO L87 Difference]: Start difference. First operand 341 states. Second operand 4 states. [2020-09-25 08:37:08,114 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:37:09,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:37:09,442 INFO L93 Difference]: Finished difference Result 551 states and 657 transitions. [2020-09-25 08:37:09,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:37:09,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 08:37:09,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:37:09,467 INFO L225 Difference]: With dead ends: 551 [2020-09-25 08:37:09,467 INFO L226 Difference]: Without dead ends: 335 [2020-09-25 08:37:09,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:37:09,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-09-25 08:37:09,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 290. [2020-09-25 08:37:09,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-25 08:37:09,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 318 transitions. [2020-09-25 08:37:09,593 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 318 transitions. Word has length 142 [2020-09-25 08:37:09,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:37:09,594 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 318 transitions. [2020-09-25 08:37:09,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:37:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 318 transitions. [2020-09-25 08:37:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:37:09,599 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:37:09,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:09,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:37:09,600 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:37:09,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:37:09,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1186546234, now seen corresponding path program 1 times [2020-09-25 08:37:09,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:37:09,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819703858] [2020-09-25 08:37:09,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:37:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:09,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:09,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:10,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:10,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:14,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:14,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 08:37:14,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:37:14,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 08:37:14,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:14,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:37:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 08:37:14,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:37:14,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,014 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:37:15,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:37:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:37:15,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 08:37:15,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:37:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:15,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:15,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:37:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:15,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:15,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:37:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:15,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:37:15,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:37:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:15,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:15,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 08:37:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 08:37:15,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:37:15,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 08:37:15,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:37:15,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 08:37:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 08:37:15,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 08:37:15,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:37:15,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 08:37:15,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:37:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:37:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 08:37:15,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:37:15,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:37:15,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:37:15,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:37:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:37:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:37:15,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:15,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:15,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:15,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:15,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:37:15,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:37:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:15,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:15,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 08:37:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:15,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:15,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:15,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:15,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:15,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:15,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:15,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:15,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:15,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:37:15,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819703858] [2020-09-25 08:37:15,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:37:15,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:37:15,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994606504] [2020-09-25 08:37:15,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:37:15,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:37:15,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:37:15,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:37:15,433 INFO L87 Difference]: Start difference. First operand 290 states and 318 transitions. Second operand 6 states. [2020-09-25 08:37:15,999 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:37:17,480 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:37:19,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:37:19,300 INFO L93 Difference]: Finished difference Result 694 states and 834 transitions. [2020-09-25 08:37:19,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:37:19,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2020-09-25 08:37:19,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:37:19,308 INFO L225 Difference]: With dead ends: 694 [2020-09-25 08:37:19,309 INFO L226 Difference]: Without dead ends: 514 [2020-09-25 08:37:19,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:37:19,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-09-25 08:37:19,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 431. [2020-09-25 08:37:19,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-09-25 08:37:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 479 transitions. [2020-09-25 08:37:19,400 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 479 transitions. Word has length 161 [2020-09-25 08:37:19,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:37:19,401 INFO L479 AbstractCegarLoop]: Abstraction has 431 states and 479 transitions. [2020-09-25 08:37:19,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:37:19,402 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 479 transitions. [2020-09-25 08:37:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-09-25 08:37:19,404 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:37:19,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:19,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:37:19,405 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:37:19,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:37:19,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1876211697, now seen corresponding path program 1 times [2020-09-25 08:37:19,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:37:19,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002822219] [2020-09-25 08:37:19,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:37:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:19,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:19,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:20,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:20,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:20,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:20,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:21,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:24,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:24,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-25 08:37:24,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 08:37:24,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 08:37:24,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:24,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:24,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:24,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:37:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:37:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:24,771 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:37:24,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:37:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:24,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:24,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:24,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:37:24,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:24,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 08:37:24,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:24,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:24,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:24,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:24,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:24,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:37:24,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:37:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:24,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:24,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:24,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:24,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:24,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:24,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:24,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:24,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:37:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:24,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:24,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:24,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:24,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:24,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:37:24,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:24,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:24,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:24,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:24,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:24,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:37:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:24,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:24,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:24,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:24,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:24,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:24,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:24,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:24,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:24,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:37:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:24,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:24,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:24,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:24,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:37:24,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:24,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:24,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 08:37:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:24,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:24,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:24,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 08:37:24,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:24,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 08:37:24,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:24,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 08:37:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:24,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:24,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:24,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:24,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:24,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 08:37:24,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:24,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 08:37:24,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:24,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:24,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:25,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:37:25,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:25,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:25,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:25,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:37:25,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:25,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:37:25,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:25,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:25,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:25,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:25,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:25,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:37:25,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:25,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:25,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:25,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:37:25,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:25,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:37:25,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:25,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:25,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:25,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:25,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:25,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:37:25,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:37:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:25,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:25,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:25,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:37:25,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:25,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:37:25,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:25,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:37:25,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:37:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:25,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:25,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:25,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:25,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:25,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:25,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:25,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:25,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:25,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:37:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 08:37:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:25,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:25,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:25,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:25,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:25,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:25,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:25,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:25,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:25,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 08:37:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:25,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:25,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:25,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:25,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:25,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:25,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:25,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:25,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:37:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:37:25,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002822219] [2020-09-25 08:37:25,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:37:25,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:37:25,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955239508] [2020-09-25 08:37:25,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:37:25,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:37:25,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:37:25,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:37:25,205 INFO L87 Difference]: Start difference. First operand 431 states and 479 transitions. Second operand 5 states. [2020-09-25 08:37:25,925 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:37:27,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:37:27,293 INFO L93 Difference]: Finished difference Result 718 states and 803 transitions. [2020-09-25 08:37:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:37:27,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 185 [2020-09-25 08:37:27,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:37:27,299 INFO L225 Difference]: With dead ends: 718 [2020-09-25 08:37:27,300 INFO L226 Difference]: Without dead ends: 457 [2020-09-25 08:37:27,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:37:27,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-09-25 08:37:27,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 404. [2020-09-25 08:37:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-09-25 08:37:27,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 436 transitions. [2020-09-25 08:37:27,383 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 436 transitions. Word has length 185 [2020-09-25 08:37:27,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:37:27,384 INFO L479 AbstractCegarLoop]: Abstraction has 404 states and 436 transitions. [2020-09-25 08:37:27,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:37:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 436 transitions. [2020-09-25 08:37:27,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 08:37:27,386 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:37:27,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:27,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:37:27,387 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:37:27,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:37:27,387 INFO L82 PathProgramCache]: Analyzing trace with hash -2133528466, now seen corresponding path program 1 times [2020-09-25 08:37:27,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:37:27,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266294466] [2020-09-25 08:37:27,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:37:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:27,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:28,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:28,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:28,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:28,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:32,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:32,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-25 08:37:32,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:37:32,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 08:37:32,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:32,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 08:37:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 08:37:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-25 08:37:32,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:32,793 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:37:32,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:37:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:32,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:37:33,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-25 08:37:33,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:33,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 08:37:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:37:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:33,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:37:33,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:33,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:37:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:33,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:33,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:33,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:37:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:33,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:37:33,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:37:33,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:37:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:33,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:37:33,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:33,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:37:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 08:37:33,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 08:37:33,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:33,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-25 08:37:33,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 08:37:33,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 08:37:33,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:33,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:33,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:37:33,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:37:33,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:33,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:37:33,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:37:33,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:33,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:37:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:37:33,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:37:33,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:33,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:37:33,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:37:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:33,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:33,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:33,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 08:37:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:33,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:37:33,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:37:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:37:33,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:33,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 08:37:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:33,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:33,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:33,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:33,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:33,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:33,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:33,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:33,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:33,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:37:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:33,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:37:33,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266294466] [2020-09-25 08:37:33,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:37:33,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:37:33,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433160980] [2020-09-25 08:37:33,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:37:33,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:37:33,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:37:33,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:37:33,533 INFO L87 Difference]: Start difference. First operand 404 states and 436 transitions. Second operand 9 states. [2020-09-25 08:37:34,305 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:37:35,698 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:36,006 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:36,429 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:37:36,756 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:37:37,471 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:37,774 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:37:38,074 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:37:38,455 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:37:40,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:37:40,066 INFO L93 Difference]: Finished difference Result 1046 states and 1197 transitions. [2020-09-25 08:37:40,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 08:37:40,074 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 194 [2020-09-25 08:37:40,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:37:40,079 INFO L225 Difference]: With dead ends: 1046 [2020-09-25 08:37:40,080 INFO L226 Difference]: Without dead ends: 752 [2020-09-25 08:37:40,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 08:37:40,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-09-25 08:37:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 661. [2020-09-25 08:37:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-09-25 08:37:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 720 transitions. [2020-09-25 08:37:40,174 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 720 transitions. Word has length 194 [2020-09-25 08:37:40,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:37:40,175 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 720 transitions. [2020-09-25 08:37:40,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:37:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 720 transitions. [2020-09-25 08:37:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 08:37:40,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:37:40,179 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:37:40,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:37:40,179 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:37:40,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:37:40,180 INFO L82 PathProgramCache]: Analyzing trace with hash -440353169, now seen corresponding path program 1 times [2020-09-25 08:37:40,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:37:40,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361298414] [2020-09-25 08:37:40,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:37:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:40,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:40,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:40,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:40,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:41,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:45,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:45,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-25 08:37:45,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:37:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 08:37:45,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:45,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 08:37:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 08:37:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 08:37:45,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:45,568 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:37:45,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:37:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:45,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:45,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:45,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:37:45,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:45,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 08:37:45,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:45,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:45,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:45,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:45,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:45,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:45,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:37:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:45,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:45,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:45,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:45,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:45,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:37:45,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:45,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:45,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:45,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:45,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:45,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:45,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:37:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:45,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:45,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:45,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:45,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:45,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:45,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:45,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:45,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:37:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:45,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:45,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:45,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:45,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:45,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:45,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:45,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:45,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:45,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:37:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:45,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:45,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:45,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:45,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:45,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:37:45,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:45,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:45,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:45,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:37:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:45,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:45,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:45,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:37:45,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:45,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:45,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:45,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:45,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:45,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:45,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:45,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 08:37:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:45,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:45,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:45,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:45,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:46,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:46,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 08:37:46,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:37:46,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-09-25 08:37:46,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:46,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:46,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:46,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:46,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 08:37:46,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:46,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:46,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:46,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:46,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:46,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 08:37:46,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:37:46,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 08:37:46,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:46,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:37:46,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:46,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:46,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:46,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:46,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:37:46,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:37:46,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:46,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:37:46,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:46,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:37:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:46,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:46,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:46,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:37:46,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:46,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:37:46,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:46,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 08:37:46,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:46,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:37:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:46,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:46,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:46,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:37:46,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:46,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:46,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:46,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:37:46,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:46,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:37:46,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:46,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:37:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:46,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:46,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:46,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:37:46,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:46,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:37:46,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:46,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:37:46,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:37:46,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 08:37:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:46,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:46,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:46,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:46,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:37:46,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:46,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:37:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:37:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:46,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 08:37:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:37:46,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:37:46,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:37:46,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:37:46,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:37:46,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:37:46,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:37:46,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:37:46,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:37:46,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:37:46,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:37:46,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:37:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:37:46,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361298414] [2020-09-25 08:37:46,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:37:46,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:37:46,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449590395] [2020-09-25 08:37:46,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:37:46,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:37:46,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:37:46,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:37:46,323 INFO L87 Difference]: Start difference. First operand 661 states and 720 transitions. Second operand 10 states.