/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_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:11:42,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:11:42,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:11:42,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:11:42,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:11:42,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:11:42,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:11:42,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:11:42,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:11:42,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:11:42,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:11:42,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:11:42,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:11:42,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:11:42,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:11:42,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:11:42,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:11:42,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:11:42,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:11:42,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:11:42,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:11:42,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:11:42,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:11:42,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:11:42,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:11:42,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:11:42,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:11:42,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:11:42,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:11:42,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:11:42,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:11:42,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:11:42,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:11:42,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:11:42,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:11:42,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:11:42,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:11:42,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:11:42,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:11:42,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:11:42,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:11:42,768 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 20:11:42,810 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:11:42,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:11:42,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:11:42,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:11:42,812 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:11:42,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:11:42,813 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:11:42,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:11:42,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:11:42,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:11:42,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:11:42,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:11:42,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:11:42,816 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:11:42,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:11:42,816 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:11:42,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:11:42,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:11:42,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:11:42,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:11:42,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:11:42,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:11:42,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:11:42,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:11:42,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:11:42,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:11:42,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:11:42,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:11:42,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:11:42,819 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 20:11:43,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:11:43,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:11:43,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:11:43,353 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:11:43,354 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:11:43,355 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2020-09-24 20:11:43,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbbc76a2d/8b3d04d52ae54d2da9ce86cd26e98320/FLAG71aa669e1 [2020-09-24 20:11:44,056 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:11:44,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2020-09-24 20:11:44,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbbc76a2d/8b3d04d52ae54d2da9ce86cd26e98320/FLAG71aa669e1 [2020-09-24 20:11:44,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbbc76a2d/8b3d04d52ae54d2da9ce86cd26e98320 [2020-09-24 20:11:44,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:11:44,342 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:11:44,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:11:44,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:11:44,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:11:44,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:11:44" (1/1) ... [2020-09-24 20:11:44,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:44, skipping insertion in model container [2020-09-24 20:11:44,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:11:44" (1/1) ... [2020-09-24 20:11:44,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:11:44,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:11:44,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:11:44,815 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:11:45,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:11:45,080 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:11:45,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:45 WrapperNode [2020-09-24 20:11:45,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:11:45,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:11:45,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:11:45,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:11:45,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:45" (1/1) ... [2020-09-24 20:11:45,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:45" (1/1) ... [2020-09-24 20:11:45,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:45" (1/1) ... [2020-09-24 20:11:45,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:45" (1/1) ... [2020-09-24 20:11:45,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:45" (1/1) ... [2020-09-24 20:11:45,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:45" (1/1) ... [2020-09-24 20:11:45,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:45" (1/1) ... [2020-09-24 20:11:45,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:11:45,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:11:45,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:11:45,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:11:45,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:45" (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 20:11:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:11:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:11:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:11:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:11:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:11:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:11:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:11:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:11:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:11:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:11:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:11:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:11:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 20:11:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 20:11:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:11:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:11:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:11:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:11:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:11:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:11:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:11:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:11:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:11:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:11:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:11:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:11:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:11:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:11:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:11:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:11:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:11:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:11:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:11:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:11:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:11:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:11:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:11:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:11:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:11:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:11:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:11:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:11:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:11:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:11:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:11:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:11:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:11:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:11:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:11:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:11:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:11:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:11:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:11:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:11:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:11:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:11:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 20:11:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:11:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:11:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:11:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:11:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:11:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:11:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 20:11:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:11:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:11:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:11:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:11:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:11:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:11:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:11:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:11:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:11:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:11:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:11:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:11:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:11:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:11:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:11:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:11:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:11:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:11:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:11:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:11:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:11:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:11:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:11:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:11:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:11:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:11:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:11:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:11:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:11:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:11:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:11:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:11:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:11:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:11:46,505 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:11:46,505 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:11:46,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:11:46 BoogieIcfgContainer [2020-09-24 20:11:46,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:11:46,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:11:46,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:11:46,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:11:46,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:11:44" (1/3) ... [2020-09-24 20:11:46,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c916c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:11:46, skipping insertion in model container [2020-09-24 20:11:46,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:45" (2/3) ... [2020-09-24 20:11:46,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c916c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:11:46, skipping insertion in model container [2020-09-24 20:11:46,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:11:46" (3/3) ... [2020-09-24 20:11:46,523 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-09-24 20:11:46,535 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:11:46,546 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:11:46,568 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:11:46,598 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:11:46,599 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:11:46,599 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:11:46,599 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:11:46,599 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:11:46,599 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:11:46,599 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:11:46,600 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:11:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-09-24 20:11:46,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 20:11:46,649 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:11:46,651 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 20:11:46,651 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:11:46,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:11:46,660 INFO L82 PathProgramCache]: Analyzing trace with hash -207772039, now seen corresponding path program 1 times [2020-09-24 20:11:46,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:11:46,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387565261] [2020-09-24 20:11:46,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:11:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:47,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:47,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:48,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:49,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:50,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:51,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 20:11:52,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 20:11:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-24 20:11:52,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:11:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 20:11:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 20:11:52,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:11:52,528 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:11:52,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:11:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:11:52,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-09-24 20:11:52,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 20:11:52,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:52,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:11:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:52,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:52,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:52,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:52,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:11:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:52,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:52,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:52,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:52,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:11:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:53,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:11:53,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:53,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:53,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:53,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:11:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:53,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:53,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:11:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:53,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:53,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:53,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:11:53,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:53,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 20:11:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:53,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:53,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:53,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:53,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 20:11:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:53,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:11:53,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:11:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:53,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:53,179 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 20:11:53,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387565261] [2020-09-24 20:11:53,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:11:53,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:11:53,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345344828] [2020-09-24 20:11:53,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:11:53,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:11:53,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:11:53,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:11:53,213 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 9 states. [2020-09-24 20:11:53,812 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:11:55,460 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 20:11:56,096 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 20:11:56,481 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:56,870 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 20:11:57,196 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:11:58,019 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:11:58,378 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 20:11:58,720 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:12:00,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:12:00,190 INFO L93 Difference]: Finished difference Result 628 states and 779 transitions. [2020-09-24 20:12:00,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 20:12:00,195 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-24 20:12:00,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:12:00,216 INFO L225 Difference]: With dead ends: 628 [2020-09-24 20:12:00,216 INFO L226 Difference]: Without dead ends: 427 [2020-09-24 20:12:00,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2020-09-24 20:12:00,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-09-24 20:12:00,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 374. [2020-09-24 20:12:00,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-09-24 20:12:00,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 422 transitions. [2020-09-24 20:12:00,368 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 422 transitions. Word has length 148 [2020-09-24 20:12:00,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:12:00,370 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 422 transitions. [2020-09-24 20:12:00,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:12:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 422 transitions. [2020-09-24 20:12:00,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-24 20:12:00,376 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:12:00,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:12:00,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:12:00,377 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:12:00,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:12:00,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1360836724, now seen corresponding path program 1 times [2020-09-24 20:12:00,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:12:00,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711689080] [2020-09-24 20:12:00,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:12:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:00,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:01,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:02,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:05,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:05,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 20:12:05,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:12:05,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 20:12:05,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:05,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:12:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 20:12:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-24 20:12:05,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:05,759 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:12:05,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:12:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:05,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:12:06,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-09-24 20:12:06,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:06,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:06,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 20:12:06,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:06,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:12:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:12:06,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:12:06,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:06,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:12:06,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:06,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:12:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:12:06,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:12:06,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:12:06,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:06,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:12:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:06,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:12:06,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:12:06,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:06,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:12:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:12:06,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:12:06,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:06,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:06,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:12:06,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:12:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:06,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:12:06,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:12:06,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:06,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:12:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:06,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:12:06,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:06,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:06,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:12:06,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:12:06,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 20:12:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:12:06,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:12:06,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-24 20:12:06,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:12:06,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 20:12:06,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:12:06,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:06,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:12:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:12:06,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 20:12:06,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:12:06,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:12:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:12:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:06,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:12:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:12:06,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 20:12:06,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:12:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:06,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:12:06,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:06,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:12:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:12:06,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:12:06,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:06,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:06,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:06,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:06,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:12:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:06,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:12:06,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:12:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:06,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:06,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 20:12:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:06,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:12:06,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:12:06,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:06,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:12:06,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:06,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 20:12:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:06,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:06,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:06,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:06,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:06,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:12:06,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:12:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:06,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:12:06,716 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 20:12:06,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711689080] [2020-09-24 20:12:06,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:12:06,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-09-24 20:12:06,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63841257] [2020-09-24 20:12:06,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 20:12:06,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:12:06,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 20:12:06,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:12:06,723 INFO L87 Difference]: Start difference. First operand 374 states and 422 transitions. Second operand 16 states. [2020-09-24 20:12:07,395 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:12:08,963 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 20:12:09,644 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 20:12:10,068 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:12:10,501 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:12:10,840 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:12:11,617 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:12:11,993 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 20:12:12,311 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:12:12,678 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 20:12:13,018 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 20:12:13,399 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:12:13,791 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:12:14,127 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:12:14,468 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:12:15,277 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:12:15,637 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:12:15,990 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 20:12:16,333 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:12:16,710 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:12:17,011 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:12:19,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:12:19,594 INFO L93 Difference]: Finished difference Result 1165 states and 1557 transitions. [2020-09-24 20:12:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-24 20:12:19,596 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 200 [2020-09-24 20:12:19,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:12:19,607 INFO L225 Difference]: With dead ends: 1165 [2020-09-24 20:12:19,607 INFO L226 Difference]: Without dead ends: 869 [2020-09-24 20:12:19,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=502, Invalid=1948, Unknown=0, NotChecked=0, Total=2450 [2020-09-24 20:12:19,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-09-24 20:12:19,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 594. [2020-09-24 20:12:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-09-24 20:12:19,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 673 transitions. [2020-09-24 20:12:19,728 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 673 transitions. Word has length 200 [2020-09-24 20:12:19,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:12:19,729 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 673 transitions. [2020-09-24 20:12:19,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 20:12:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 673 transitions. [2020-09-24 20:12:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-24 20:12:19,734 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:12:19,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:12:19,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:12:19,735 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:12:19,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:12:19,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1172320797, now seen corresponding path program 1 times [2020-09-24 20:12:19,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:12:19,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512216357] [2020-09-24 20:12:19,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:12:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:19,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:20,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:23,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:23,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-24 20:12:23,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:12:23,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3617 [2020-09-24 20:12:23,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:12:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-24 20:12:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-24 20:12:23,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:23,719 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:12:23,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:12:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:23,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:23,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:23,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:12:23,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 20:12:23,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:23,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:23,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:23,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:23,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:12:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:23,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:23,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:23,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:12:23,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:23,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:12:23,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:23,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:23,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:23,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:23,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:23,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:12:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:23,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:23,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:23,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:12:23,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:23,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:12:23,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:23,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:23,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:23,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:23,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:23,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:12:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:23,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:23,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:23,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:23,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:23,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:12:23,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:23,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:23,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:23,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:23,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:23,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:12:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:23,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:23,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:23,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:12:23,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:23,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:12:23,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:23,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:12:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:23,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:23,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:23,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:23,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:23,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:12:23,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 20:12:23,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:23,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 20:12:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:23,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:24,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:24,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:12:24,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:24,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:12:24,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:24,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:24,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:24,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:12:24,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:24,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 20:12:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:24,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:24,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:24,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:24,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:24,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:12:24,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:12:24,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:24,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 20:12:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:24,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:24,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:24,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:24,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:12:24,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:12:24,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-24 20:12:24,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:24,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:12:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 20:12:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:12:24,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:24,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:12:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:24,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:24,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:24,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:12:24,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:24,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 20:12:24,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:24,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:12:24,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 20:12:24,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:12:24,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:24,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:12:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:24,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:24,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:24,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:12:24,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:24,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 20:12:24,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:12:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 20:12:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:12:24,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:24,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:12:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:24,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:24,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:24,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:12:24,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:24,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:12:24,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:24,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:12:24,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:24,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:12:24,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:24,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:12:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:24,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:24,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:24,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:24,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:24,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:12:24,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:12:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:24,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 20:12:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:24,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:24,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:24,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:24,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:24,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:12:24,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:24,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:24,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:24,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:12:24,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:24,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 20:12:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:24,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:24,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:24,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:24,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:24,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:12:24,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:24,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:24,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:12:24,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:24,420 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 20:12:24,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512216357] [2020-09-24 20:12:24,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:12:24,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 20:12:24,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179314249] [2020-09-24 20:12:24,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 20:12:24,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:12:24,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 20:12:24,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 20:12:24,423 INFO L87 Difference]: Start difference. First operand 594 states and 673 transitions. Second operand 12 states. [2020-09-24 20:12:25,054 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:12:26,253 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:12:26,587 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 20:12:26,934 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:12:27,315 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 20:12:27,623 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:12:29,583 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:12:29,886 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:12:30,265 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:12:30,651 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:12:30,983 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:12:32,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:12:32,706 INFO L93 Difference]: Finished difference Result 2146 states and 2969 transitions. [2020-09-24 20:12:32,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-09-24 20:12:32,707 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 205 [2020-09-24 20:12:32,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:12:32,723 INFO L225 Difference]: With dead ends: 2146 [2020-09-24 20:12:32,723 INFO L226 Difference]: Without dead ends: 1667 [2020-09-24 20:12:32,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=432, Invalid=1208, Unknown=0, NotChecked=0, Total=1640 [2020-09-24 20:12:32,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2020-09-24 20:12:32,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 993. [2020-09-24 20:12:32,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 993 states. [2020-09-24 20:12:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1135 transitions. [2020-09-24 20:12:32,880 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1135 transitions. Word has length 205 [2020-09-24 20:12:32,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:12:32,881 INFO L479 AbstractCegarLoop]: Abstraction has 993 states and 1135 transitions. [2020-09-24 20:12:32,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 20:12:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1135 transitions. [2020-09-24 20:12:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-09-24 20:12:32,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:12:32,887 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:12:32,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:12:32,887 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:12:32,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:12:32,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1012782222, now seen corresponding path program 1 times [2020-09-24 20:12:32,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:12:32,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192890073] [2020-09-24 20:12:32,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:12:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:33,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:33,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:33,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:33,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:33,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:34,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:35,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking...