/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:26:40,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:26:40,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:26:40,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:26:40,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:26:40,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:26:40,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:26:40,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:26:40,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:26:40,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:26:40,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:26:40,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:26:40,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:26:40,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:26:40,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:26:40,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:26:40,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:26:40,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:26:40,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:26:40,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:26:40,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:26:40,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:26:40,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:26:40,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:26:40,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:26:40,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:26:40,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:26:40,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:26:40,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:26:40,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:26:40,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:26:40,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:26:40,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:26:40,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:26:40,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:26:40,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:26:40,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:26:40,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:26:40,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:26:40,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:26:40,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:26:40,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 06:26:40,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:26:40,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:26:40,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:26:40,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:26:40,852 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:26:40,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:26:40,853 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:26:40,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:26:40,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:26:40,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:26:40,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:26:40,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:26:40,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:26:40,854 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:26:40,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:26:40,856 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:26:40,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:26:40,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:26:40,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:26:40,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:26:40,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:26:40,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:26:40,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:26:40,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:26:40,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:26:40,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:26:40,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:26:40,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:26:40,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:26:40,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:26:41,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:26:41,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:26:41,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:26:41,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:26:41,369 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:26:41,370 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-09-25 06:26:41,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9459a64ba/f810a7edf8894b62a6b181976c565754/FLAGd7cb99bff [2020-09-25 06:26:42,134 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:26:42,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-09-25 06:26:42,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9459a64ba/f810a7edf8894b62a6b181976c565754/FLAGd7cb99bff [2020-09-25 06:26:42,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9459a64ba/f810a7edf8894b62a6b181976c565754 [2020-09-25 06:26:42,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:26:42,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:26:42,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:26:42,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:26:42,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:26:42,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:26:42" (1/1) ... [2020-09-25 06:26:42,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebe5ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:42, skipping insertion in model container [2020-09-25 06:26:42,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:26:42" (1/1) ... [2020-09-25 06:26:42,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:26:42,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:26:42,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:26:42,921 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:26:43,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:26:43,051 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:26:43,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:43 WrapperNode [2020-09-25 06:26:43,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:26:43,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:26:43,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:26:43,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:26:43,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:43" (1/1) ... [2020-09-25 06:26:43,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:43" (1/1) ... [2020-09-25 06:26:43,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:43" (1/1) ... [2020-09-25 06:26:43,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:43" (1/1) ... [2020-09-25 06:26:43,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:43" (1/1) ... [2020-09-25 06:26:43,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:43" (1/1) ... [2020-09-25 06:26:43,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:43" (1/1) ... [2020-09-25 06:26:43,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:26:43,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:26:43,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:26:43,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:26:43,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:26:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:26:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:26:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:26:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:26:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:26:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:26:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:26:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:26:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:26:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:26:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:26:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:26:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:26:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:26:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:26:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:26:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:26:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:26:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 06:26:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:26:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:26:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:26:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:26:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:26:43,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:26:43,289 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:26:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:26:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:26:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:26:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:26:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:26:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:26:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:26:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:26:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:26:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:26:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:26:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:26:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:26:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:26:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:26:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:26:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:26:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:26:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:26:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:26:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:26:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:26:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:26:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:26:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:26:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:26:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:26:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:26:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:26:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:26:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:26:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:26:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:26:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:26:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:26:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:26:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:26:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:26:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:26:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:26:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:26:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:26:43,301 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:26:43,301 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:26:43,301 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:26:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:26:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:26:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:26:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:26:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:26:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:26:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:26:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:26:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:26:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:26:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 06:26:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:26:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:26:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:26:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:26:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:26:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:26:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:26:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:26:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:26:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:26:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:26:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:26:44,672 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:26:44,672 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:26:44,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:26:44 BoogieIcfgContainer [2020-09-25 06:26:44,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:26:44,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:26:44,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:26:44,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:26:44,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:26:42" (1/3) ... [2020-09-25 06:26:44,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd6db02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:26:44, skipping insertion in model container [2020-09-25 06:26:44,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:43" (2/3) ... [2020-09-25 06:26:44,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd6db02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:26:44, skipping insertion in model container [2020-09-25 06:26:44,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:26:44" (3/3) ... [2020-09-25 06:26:44,690 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-09-25 06:26:44,701 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:26:44,712 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:26:44,732 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:26:44,765 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:26:44,765 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:26:44,765 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:26:44,765 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:26:44,765 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:26:44,765 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:26:44,765 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:26:44,765 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:26:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2020-09-25 06:26:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:26:44,813 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:44,814 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:26:44,815 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:44,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:44,824 INFO L82 PathProgramCache]: Analyzing trace with hash 2129634346, now seen corresponding path program 1 times [2020-09-25 06:26:44,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:44,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330992691] [2020-09-25 06:26:44,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:45,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:46,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:48,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:50,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:50,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:26:50,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:26:50,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 06:26:50,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:50,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:50,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:50,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:26:50,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:50,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 32 [2020-09-25 06:26:50,780 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:50,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:50,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:50,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:50,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:50,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:50,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-25 06:26:50,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:50,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:50,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:50,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:50,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:50,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:51,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:51,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:51,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:51,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:51,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:51,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:51,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:51,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:51,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:51,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:51,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:51,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:51,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:51,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:51,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:51,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:51,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:51,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:51,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:51,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:51,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:51,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:51,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:26:51,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:51,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:51,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:51,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:51,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:51,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:26:51,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:51,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:51,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:51,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:51,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:51,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:51,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:51,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:51,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:51,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:51,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:51,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:51,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:51,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:51,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:51,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:51,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:51,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:26:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:51,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:51,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:51,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:51,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:51,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:51,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:51,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:51,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:51,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:51,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:51,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:51,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:26:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:51,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:51,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:51,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:51,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:51,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:51,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:51,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:51,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:26:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:26:51,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330992691] [2020-09-25 06:26:51,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:51,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:26:51,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100438299] [2020-09-25 06:26:51,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:26:51,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:51,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:26:51,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:26:51,215 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 3 states. [2020-09-25 06:26:52,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:52,555 INFO L93 Difference]: Finished difference Result 436 states and 522 transitions. [2020-09-25 06:26:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:26:52,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:26:52,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:52,578 INFO L225 Difference]: With dead ends: 436 [2020-09-25 06:26:52,578 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 06:26:52,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:26:52,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 06:26:52,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 234. [2020-09-25 06:26:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-25 06:26:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 253 transitions. [2020-09-25 06:26:52,714 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 253 transitions. Word has length 142 [2020-09-25 06:26:52,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:52,715 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 253 transitions. [2020-09-25 06:26:52,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:26:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 253 transitions. [2020-09-25 06:26:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:26:52,724 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:52,724 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] [2020-09-25 06:26:52,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:26:52,726 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:52,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:52,727 INFO L82 PathProgramCache]: Analyzing trace with hash -386314513, now seen corresponding path program 1 times [2020-09-25 06:26:52,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:52,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915502574] [2020-09-25 06:26:52,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:52,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:52,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:54,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:55,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:56,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:57,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:57,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:26:57,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:26:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 06:26:57,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:57,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:26:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:26:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:58,108 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:58,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:58,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:58,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:58,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:58,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 06:26:58,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:58,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:58,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:58,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:58,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:58,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:58,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:58,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:58,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:58,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:58,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:58,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:58,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:58,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:58,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:58,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:58,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:58,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:58,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:58,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:58,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:26:58,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:58,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:58,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:58,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:58,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:58,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:26:58,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:58,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:58,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:58,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:58,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:58,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:58,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:58,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:58,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:58,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:58,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:58,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:58,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:26:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:58,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:58,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:58,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:58,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:58,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:58,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:58,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:58,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:58,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:58,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:58,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:58,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:26:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:58,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:58,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:58,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:58,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:58,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:58,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:58,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:58,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:26:58,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915502574] [2020-09-25 06:26:58,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:58,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:26:58,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32184] [2020-09-25 06:26:58,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:26:58,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:58,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:26:58,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:26:58,393 INFO L87 Difference]: Start difference. First operand 234 states and 253 transitions. Second operand 4 states. [2020-09-25 06:26:58,970 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:26:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:59,752 INFO L93 Difference]: Finished difference Result 343 states and 385 transitions. [2020-09-25 06:26:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:26:59,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:26:59,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:59,762 INFO L225 Difference]: With dead ends: 343 [2020-09-25 06:26:59,762 INFO L226 Difference]: Without dead ends: 259 [2020-09-25 06:26:59,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:26:59,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-25 06:26:59,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 224. [2020-09-25 06:26:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-25 06:26:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2020-09-25 06:26:59,815 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 143 [2020-09-25 06:26:59,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:59,816 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2020-09-25 06:26:59,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:26:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2020-09-25 06:26:59,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 06:26:59,819 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:59,819 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] [2020-09-25 06:26:59,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:26:59,820 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:59,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:59,820 INFO L82 PathProgramCache]: Analyzing trace with hash 70497391, now seen corresponding path program 1 times [2020-09-25 06:26:59,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:59,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457242115] [2020-09-25 06:26:59,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:59,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:00,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:01,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:02,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:04,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:04,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 06:27:04,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:27:04,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 06:27:04,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:04,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:04,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:27:04,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:27:04,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:27:04,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:05,283 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:27:05,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:27:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:05,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:05,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:05,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:27:05,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:05,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 06:27:05,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:05,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:05,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:05,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:27:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:05,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:05,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:05,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:27:05,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:05,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:27:05,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:05,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:05,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:05,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:05,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:05,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:27:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:05,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:05,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:05,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:27:05,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:05,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:27:05,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:05,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:05,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:05,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:05,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:05,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:05,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:27:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:05,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:05,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:05,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:27:05,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:05,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:27:05,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:05,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:05,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:05,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:05,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:05,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:05,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:27:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:05,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:05,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:05,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:27:05,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:05,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:27:05,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:05,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:05,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:27:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:05,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:05,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:05,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:27:05,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:05,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:27:05,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:05,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:27:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:27:05,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:05,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:27:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:05,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:05,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:05,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:27:05,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:05,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:27:05,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:05,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:27:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:05,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:05,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:27:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:05,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:05,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:05,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:27:05,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:05,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:27:05,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:05,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:05,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:27:05,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:05,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 06:27:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:27:05,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457242115] [2020-09-25 06:27:05,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:27:05,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:27:05,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601343752] [2020-09-25 06:27:05,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:27:05,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:27:05,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:27:05,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:27:05,541 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 5 states. [2020-09-25 06:27:06,072 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:07,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:27:07,774 INFO L93 Difference]: Finished difference Result 518 states and 601 transitions. [2020-09-25 06:27:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:27:07,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 06:27:07,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:27:07,781 INFO L225 Difference]: With dead ends: 518 [2020-09-25 06:27:07,781 INFO L226 Difference]: Without dead ends: 404 [2020-09-25 06:27:07,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:27:07,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-25 06:27:07,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 328. [2020-09-25 06:27:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-25 06:27:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 361 transitions. [2020-09-25 06:27:07,851 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 361 transitions. Word has length 156 [2020-09-25 06:27:07,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:27:07,852 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 361 transitions. [2020-09-25 06:27:07,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:27:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 361 transitions. [2020-09-25 06:27:07,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:27:07,854 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:27:07,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:27:07,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:27:07,855 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:27:07,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:27:07,856 INFO L82 PathProgramCache]: Analyzing trace with hash 549756770, now seen corresponding path program 1 times [2020-09-25 06:27:07,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:27:07,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692178024] [2020-09-25 06:27:07,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:27:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:07,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:09,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:11,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:12,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:12,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 06:27:12,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:27:12,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 06:27:12,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:12,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:27:12,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 06:27:12,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 06:27:12,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:13,305 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:27:13,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:27:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:13,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:13,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:13,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:27:13,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:13,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 06:27:13,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:13,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:13,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:13,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:27:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:13,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:13,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:13,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:27:13,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:13,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:27:13,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:13,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:13,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:13,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:13,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:13,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:13,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:27:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:13,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:13,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:13,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:27:13,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:13,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:27:13,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:13,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:13,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:13,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:27:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:13,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:13,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:13,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:27:13,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:13,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:27:13,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:13,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:13,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:13,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:13,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:27:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:13,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:13,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:13,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:27:13,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:13,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:27:13,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:13,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:27:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:13,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:27:13,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:13,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 06:27:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:13,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:13,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:13,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:27:13,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:13,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:27:13,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:13,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:27:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:27:13,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:13,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 06:27:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:13,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:13,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:13,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:27:13,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:13,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:27:13,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:13,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:13,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:27:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:27:13,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:27:13,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 06:27:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:27:13,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:27:13,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:27:13,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:27:13,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:27:13,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:27:13,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:27:13,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:27:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:27:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:27:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:27:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:27:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:27:13,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692178024] [2020-09-25 06:27:13,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:27:13,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:27:13,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631484020] [2020-09-25 06:27:13,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:27:13,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:27:13,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:27:13,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:27:13,660 INFO L87 Difference]: Start difference. First operand 328 states and 361 transitions. Second operand 9 states. [2020-09-25 06:27:14,195 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:15,394 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:15,727 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:27:16,090 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:16,436 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:27:16,741 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:16,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:27:16,978 INFO L93 Difference]: Finished difference Result 527 states and 614 transitions. [2020-09-25 06:27:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:27:16,979 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 06:27:16,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:27:16,980 INFO L225 Difference]: With dead ends: 527 [2020-09-25 06:27:16,980 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:27:16,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:27:16,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:27:16,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:27:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:27:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:27:16,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 06:27:16,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:27:16,985 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:27:16,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:27:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:27:16,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:27:16,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:27:16,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:27:17,175 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:17,349 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:17,522 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:17,681 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:27:17,859 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:18,024 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:18,188 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:18,347 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:18,510 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:18,626 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:27:18,789 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:18,895 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:27:19,068 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:19,392 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:27:19,715 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:27:20,030 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:27:20,175 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:27:20,322 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:20,473 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:20,623 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:20,773 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:20,922 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:21,067 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:21,217 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:21,366 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:21,511 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:21,662 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:21,806 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:21,955 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:22,108 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:22,260 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:22,511 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 06:27:22,665 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:22,809 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:22,959 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:23,108 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:23,252 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:23,402 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:23,723 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:27:24,041 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:27:24,354 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:27:24,673 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 06:27:24,923 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:25,071 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:25,221 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:25,371 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:25,524 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:25,673 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:25,819 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:25,971 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:26,121 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:26,225 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:27:26,390 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:26,533 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:26,683 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:26,831 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:26,979 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:27,292 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:27:27,613 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:27:27,927 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:27:28,240 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 06:27:28,647 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 06:27:28,852 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:27:29,067 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:27:29,285 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:27:29,520 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:27:29,741 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:27:29,964 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 06:27:30,230 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:27:30,433 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:27:30,819 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 06:27:31,030 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:27:31,430 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8