/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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:17:31,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:17:31,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:17:31,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:17:31,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:17:31,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:17:31,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:17:31,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:17:31,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:17:31,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:17:31,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:17:31,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:17:31,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:17:31,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:17:31,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:17:31,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:17:31,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:17:31,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:17:31,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:17:31,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:17:31,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:17:31,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:17:31,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:17:31,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:17:31,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:17:31,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:17:31,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:17:31,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:17:31,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:17:31,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:17:31,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:17:31,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:17:31,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:17:31,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:17:31,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:17:31,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:17:31,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:17:31,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:17:31,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:17:31,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:17:31,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:17:31,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 20:17:31,407 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:17:31,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:17:31,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:17:31,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:17:31,410 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:17:31,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:17:31,410 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:17:31,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:17:31,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:17:31,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:17:31,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:17:31,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:17:31,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:17:31,413 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:17:31,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:17:31,413 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:17:31,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:17:31,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:17:31,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:17:31,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:17:31,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:17:31,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:17:31,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:17:31,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:17:31,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:17:31,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:17:31,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:17:31,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:17:31,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:17:31,416 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:17:31,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:17:31,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:17:31,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:17:31,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:17:31,874 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:17:31,875 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2020-09-24 20:17:31,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3003105e/8adb5cf51c0c418f8b8fb09ab4d84a4f/FLAGae6af713c [2020-09-24 20:17:32,595 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:17:32,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2020-09-24 20:17:32,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3003105e/8adb5cf51c0c418f8b8fb09ab4d84a4f/FLAGae6af713c [2020-09-24 20:17:32,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3003105e/8adb5cf51c0c418f8b8fb09ab4d84a4f [2020-09-24 20:17:32,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:17:32,914 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:17:32,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:17:32,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:17:32,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:17:32,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:17:32" (1/1) ... [2020-09-24 20:17:32,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e65116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:32, skipping insertion in model container [2020-09-24 20:17:32,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:17:32" (1/1) ... [2020-09-24 20:17:32,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:17:32,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:17:33,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:17:33,520 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:17:33,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:17:33,654 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:17:33,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:33 WrapperNode [2020-09-24 20:17:33,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:17:33,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:17:33,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:17:33,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:17:33,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:33" (1/1) ... [2020-09-24 20:17:33,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:33" (1/1) ... [2020-09-24 20:17:33,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:33" (1/1) ... [2020-09-24 20:17:33,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:33" (1/1) ... [2020-09-24 20:17:33,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:33" (1/1) ... [2020-09-24 20:17:33,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:33" (1/1) ... [2020-09-24 20:17:33,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:33" (1/1) ... [2020-09-24 20:17:33,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:17:33,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:17:33,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:17:33,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:17:33,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:17:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:17:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:17:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:17:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:17:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:17:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:17:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:17:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:17:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:17:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:17:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:17:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:17:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:17:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 20:17:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:17:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:17:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:17:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:17:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:17:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:17:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:17:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 20:17:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:17:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:17:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:17:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:17:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:17:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:17:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:17:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:17:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:17:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:17:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:17:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:17:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:17:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:17:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:17:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:17:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:17:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:17:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:17:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:17:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:17:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:17:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:17:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:17:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:17:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:17:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:17:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:17:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:17:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:17:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:17:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:17:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:17:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 20:17:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:17:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:17:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:17:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:17:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:17:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:17:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:17:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:17:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:17:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:17:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:17:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:17:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:17:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:17:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:17:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:17:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 20:17:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:17:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:17:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:17:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:17:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:17:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:17:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:17:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:17:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:17:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:17:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:17:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:17:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:17:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:17:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:17:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:17:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:17:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:17:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:17:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:17:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:17:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:17:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:17:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:17:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:17:34,986 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:17:34,987 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:17:34,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:17:34 BoogieIcfgContainer [2020-09-24 20:17:34,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:17:34,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:17:34,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:17:34,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:17:35,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:17:32" (1/3) ... [2020-09-24 20:17:35,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a121a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:17:35, skipping insertion in model container [2020-09-24 20:17:35,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:17:33" (2/3) ... [2020-09-24 20:17:35,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a121a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:17:35, skipping insertion in model container [2020-09-24 20:17:35,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:17:34" (3/3) ... [2020-09-24 20:17:35,004 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2020-09-24 20:17:35,015 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:17:35,026 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:17:35,049 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:17:35,082 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:17:35,082 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:17:35,082 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:17:35,082 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:17:35,082 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:17:35,083 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:17:35,083 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:17:35,083 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:17:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states. [2020-09-24 20:17:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 20:17:35,131 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:17:35,133 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] [2020-09-24 20:17:35,133 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:17:35,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:17:35,141 INFO L82 PathProgramCache]: Analyzing trace with hash 344061342, now seen corresponding path program 1 times [2020-09-24 20:17:35,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:17:35,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035158535] [2020-09-24 20:17:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:17:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:35,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:35,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:37,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:38,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:40,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:40,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 20:17:40,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:17:40,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-24 20:17:40,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:17:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 20:17:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 20:17:40,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-24 20:17:41,004 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:17:41,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:17:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:41,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:41,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:41,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:17:41,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:41,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-24 20:17:41,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 20:17:41,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:41,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:17:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:41,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:41,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:41,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:17:41,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:41,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:17:41,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:41,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:17:41,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:41,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:17:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:41,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:41,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:41,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:17:41,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:41,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:17:41,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:41,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:41,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:41,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:17:41,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:41,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:17:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:41,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:41,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:41,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:17:41,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:17:41,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:17:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:41,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:17:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:41,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:41,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:41,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:17:41,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:17:41,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:41,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:41,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:17:41,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:17:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:41,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:41,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:41,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:17:41,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:41,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:17:41,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:17:41,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:41,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:17:41,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:41,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 20:17:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:41,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:41,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:41,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:17:41,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:41,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:17:41,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:17:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:17:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:17:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:17:41,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035158535] [2020-09-24 20:17:41,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:17:41,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:17:41,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933072275] [2020-09-24 20:17:41,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:17:41,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:17:41,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:17:41,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:17:41,609 INFO L87 Difference]: Start difference. First operand 340 states. Second operand 8 states. [2020-09-24 20:17:42,177 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:17:43,141 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:17:43,521 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:17:43,990 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:17:44,359 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:17:44,732 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:17:45,098 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:17:45,419 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:17:48,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:17:48,075 INFO L93 Difference]: Finished difference Result 739 states and 898 transitions. [2020-09-24 20:17:48,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:17:48,080 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 20:17:48,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:17:48,104 INFO L225 Difference]: With dead ends: 739 [2020-09-24 20:17:48,104 INFO L226 Difference]: Without dead ends: 510 [2020-09-24 20:17:48,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:17:48,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-09-24 20:17:48,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 462. [2020-09-24 20:17:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-09-24 20:17:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 520 transitions. [2020-09-24 20:17:48,265 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 520 transitions. Word has length 142 [2020-09-24 20:17:48,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:17:48,267 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 520 transitions. [2020-09-24 20:17:48,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:17:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 520 transitions. [2020-09-24 20:17:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 20:17:48,273 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:17:48,274 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] [2020-09-24 20:17:48,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:17:48,274 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:17:48,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:17:48,275 INFO L82 PathProgramCache]: Analyzing trace with hash -927205166, now seen corresponding path program 1 times [2020-09-24 20:17:48,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:17:48,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932432605] [2020-09-24 20:17:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:17:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:48,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:48,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:49,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:52,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:53,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:53,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 20:17:53,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:17:53,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-24 20:17:53,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:17:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 20:17:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-24 20:17:53,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:53,670 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:17:53,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:17:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:53,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:53,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:53,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:17:53,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:53,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-24 20:17:53,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 20:17:53,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:53,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:17:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:53,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:53,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:53,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:17:53,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:53,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:17:53,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:17:53,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:53,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:17:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:53,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:53,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:53,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:17:53,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:53,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:17:53,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:17:53,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:53,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:17:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:53,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:54,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:54,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:17:54,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:54,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:17:54,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:54,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:17:54,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:54,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:17:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:54,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:54,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:54,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:17:54,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:17:54,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:17:54,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:54,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 20:17:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:54,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:54,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:54,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:17:54,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:54,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:17:54,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:17:54,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:54,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 20:17:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:54,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:54,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:54,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:17:54,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:54,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:17:54,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:54,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:17:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:17:54,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:54,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 20:17:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:17:54,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:17:54,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:17:54,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:17:54,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:17:54,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:17:54,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:17:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:17:54,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:17:54,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:17:54,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:17:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:17:54,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932432605] [2020-09-24 20:17:54,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:17:54,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:17:54,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753414784] [2020-09-24 20:17:54,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:17:54,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:17:54,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:17:54,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:17:54,107 INFO L87 Difference]: Start difference. First operand 462 states and 520 transitions. Second operand 9 states. [2020-09-24 20:17:54,662 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:17:56,058 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:17:56,387 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:17:56,716 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:17:57,111 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:17:57,465 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:17:58,216 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:17:58,507 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:17:58,888 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:18:00,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:18:00,232 INFO L93 Difference]: Finished difference Result 1003 states and 1248 transitions. [2020-09-24 20:18:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 20:18:00,233 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-24 20:18:00,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:18:00,245 INFO L225 Difference]: With dead ends: 1003 [2020-09-24 20:18:00,245 INFO L226 Difference]: Without dead ends: 651 [2020-09-24 20:18:00,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 20:18:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-09-24 20:18:00,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 593. [2020-09-24 20:18:00,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-09-24 20:18:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 693 transitions. [2020-09-24 20:18:00,346 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 693 transitions. Word has length 148 [2020-09-24 20:18:00,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:18:00,347 INFO L479 AbstractCegarLoop]: Abstraction has 593 states and 693 transitions. [2020-09-24 20:18:00,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:18:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 693 transitions. [2020-09-24 20:18:00,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-09-24 20:18:00,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:18:00,353 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:18:00,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:18:00,354 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:18:00,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:18:00,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1721953474, now seen corresponding path program 1 times [2020-09-24 20:18:00,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:18:00,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705901017] [2020-09-24 20:18:00,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:18:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:00,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:00,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:00,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:00,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:01,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:04,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:05,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:05,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-09-24 20:18:05,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-24 20:18:05,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-24 20:18:05,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:05,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 20:18:05,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 20:18:05,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-24 20:18:05,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:05,736 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:18:05,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:18:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:05,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:18:06,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-09-24 20:18:06,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:18:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 20:18:06,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:18:06,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:18:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:18:06,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:18:06,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:18:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:18:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:18:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:18:06,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:18:06,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:18:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:18:06,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:18:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:18:06,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:18:06,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:18:06,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:18:06,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:18:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:18:06,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:18:06,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:18:06,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:18:06,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 20:18:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:18:06,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:18:06,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:18:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:18:06,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:18:06,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:18:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 20:18:06,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 20:18:06,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:18:06,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:18:06,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 20:18:06,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:18:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:18:06,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:18:06,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:18:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 20:18:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:18:06,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:18:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:18:06,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:18:06,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:18:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:18:06,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:18:06,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 20:18:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 20:18:06,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 20:18:06,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:18:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:18:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 20:18:06,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:18:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:18:06,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:18:06,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:18:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 20:18:06,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:18:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:18:06,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:18:06,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:18:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:18:06,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 20:18:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:18:06,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:18:06,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-09-24 20:18:06,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:18:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 20:18:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:18:06,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:18:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:18:06,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-24 20:18:06,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:18:06,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:18:06,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:18:06,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:18:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:18:06,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 20:18:06,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:18:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:18:06,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:18:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:18:06,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:18:06,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:18:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:18:06,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:18:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:18:06,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:18:06,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:18:06,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:18:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:18:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:18:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:18:06,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:18:06,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:18:06,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:18:06,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:18:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:18:06,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:18:06,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:18:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:18:06,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:18:06,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:18:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:18:06,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:18:06,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:18:06,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:18:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:18:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:18:06,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 20:18:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:18:06,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:18:06,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:18:06,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:18:06,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:18:06,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:18:06,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 20:18:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:06,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:06,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:18:06,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:18:06,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:18:06,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:18:06,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:18:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:18:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:18:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:18:06,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:18:07,026 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-09-24 20:18:07,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705901017] [2020-09-24 20:18:07,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:18:07,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 20:18:07,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111251605] [2020-09-24 20:18:07,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 20:18:07,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:18:07,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 20:18:07,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:18:07,033 INFO L87 Difference]: Start difference. First operand 593 states and 693 transitions. Second operand 15 states. [2020-09-24 20:18:07,744 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:18:08,729 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:18:09,710 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:18:10,060 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:18:10,394 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:18:10,762 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:18:11,169 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:18:11,530 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:18:12,139 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:18:12,494 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:18:12,874 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:18:13,243 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:18:13,649 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:18:14,014 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:18:15,804 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:18:16,082 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:18:16,414 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:18:16,820 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:18:17,244 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:18:17,570 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:18:21,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:18:21,047 INFO L93 Difference]: Finished difference Result 1840 states and 2579 transitions. [2020-09-24 20:18:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-24 20:18:21,048 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 266 [2020-09-24 20:18:21,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:18:21,061 INFO L225 Difference]: With dead ends: 1840 [2020-09-24 20:18:21,061 INFO L226 Difference]: Without dead ends: 1357 [2020-09-24 20:18:21,065 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=424, Invalid=1468, Unknown=0, NotChecked=0, Total=1892 [2020-09-24 20:18:21,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2020-09-24 20:18:21,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1123. [2020-09-24 20:18:21,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1123 states. [2020-09-24 20:18:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1388 transitions. [2020-09-24 20:18:21,232 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1388 transitions. Word has length 266 [2020-09-24 20:18:21,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:18:21,234 INFO L479 AbstractCegarLoop]: Abstraction has 1123 states and 1388 transitions. [2020-09-24 20:18:21,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 20:18:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1388 transitions. [2020-09-24 20:18:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-09-24 20:18:21,241 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:18:21,242 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:18:21,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:18:21,242 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:18:21,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:18:21,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1144114195, now seen corresponding path program 1 times [2020-09-24 20:18:21,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:18:21,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924663736] [2020-09-24 20:18:21,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:18:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:18:21,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:21,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:21,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:21,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:23,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:23,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:18:23,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking...