/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=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:03:49,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:03:49,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:03:49,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:03:49,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:03:49,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:03:49,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:03:49,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:03:49,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:03:49,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:03:49,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:03:49,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:03:49,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:03:49,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:03:49,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:03:49,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:03:49,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:03:49,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:03:49,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:03:49,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:03:49,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:03:49,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:03:49,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:03:49,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:03:49,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:03:49,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:03:49,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:03:49,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:03:49,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:03:49,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:03:49,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:03:49,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:03:49,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:03:49,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:03:49,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:03:49,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:03:49,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:03:49,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:03:49,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:03:49,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:03:49,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:03:49,927 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 04:03:49,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:03:49,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:03:49,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:03:49,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:03:49,978 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:03:49,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:03:49,979 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:03:49,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:03:49,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:03:49,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:03:49,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:03:49,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:03:49,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:03:49,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:03:49,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:03:49,981 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:03:49,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:03:49,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:03:49,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:03:49,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:03:49,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:03:49,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:03:49,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:03:49,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:03:49,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:03:49,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:03:49,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:03:49,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:03:49,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:03:49,984 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 04:03:50,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:03:50,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:03:50,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:03:50,435 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:03:50,435 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:03:50,437 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-09-25 04:03:50,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d49f6ee54/2315d7c34a4e448eb824a1276aa61b88/FLAG633755a76 [2020-09-25 04:03:51,111 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:03:51,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-09-25 04:03:51,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d49f6ee54/2315d7c34a4e448eb824a1276aa61b88/FLAG633755a76 [2020-09-25 04:03:51,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d49f6ee54/2315d7c34a4e448eb824a1276aa61b88 [2020-09-25 04:03:51,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:03:51,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:03:51,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:03:51,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:03:51,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:03:51,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:03:51" (1/1) ... [2020-09-25 04:03:51,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:51, skipping insertion in model container [2020-09-25 04:03:51,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:03:51" (1/1) ... [2020-09-25 04:03:51,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:03:51,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:03:51,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:03:52,059 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:03:52,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:03:52,188 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:03:52,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:52 WrapperNode [2020-09-25 04:03:52,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:03:52,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:03:52,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:03:52,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:03:52,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:52" (1/1) ... [2020-09-25 04:03:52,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:52" (1/1) ... [2020-09-25 04:03:52,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:52" (1/1) ... [2020-09-25 04:03:52,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:52" (1/1) ... [2020-09-25 04:03:52,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:52" (1/1) ... [2020-09-25 04:03:52,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:52" (1/1) ... [2020-09-25 04:03:52,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:52" (1/1) ... [2020-09-25 04:03:52,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:03:52,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:03:52,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:03:52,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:03:52,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:52" (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 04:03:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:03:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:03:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:03:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:03:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:03:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:03:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:03:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 04:03:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:03:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 04:03:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:03:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:03:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:03:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:03:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:03:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:03:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:03:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:03:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:03:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:03:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:03:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:03:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:03:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:03:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:03:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:03:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:03:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:03:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:03:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:03:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:03:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:03:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:03:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:03:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:03:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:03:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:03:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:03:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:03:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:03:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:03:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:03:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:03:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:03:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:03:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:03:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:03:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:03:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:03:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:03:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:03:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:03:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:03:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:03:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:03:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:03:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:03:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:03:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:03:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:03:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:03:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:03:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:03:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:03:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:03:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 04:03:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:03:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 04:03:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:03:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:03:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:03:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:03:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:03:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:03:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:03:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:03:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:03:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:03:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:03:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:03:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:03:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:03:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:03:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:03:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:03:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:03:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:03:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:03:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:03:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:03:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:03:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:03:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:03:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:03:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:03:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:03:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:03:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:03:53,592 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:03:53,592 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:03:53,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:03:53 BoogieIcfgContainer [2020-09-25 04:03:53,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:03:53,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:03:53,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:03:53,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:03:53,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:03:51" (1/3) ... [2020-09-25 04:03:53,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3950dc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:03:53, skipping insertion in model container [2020-09-25 04:03:53,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:52" (2/3) ... [2020-09-25 04:03:53,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3950dc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:03:53, skipping insertion in model container [2020-09-25 04:03:53,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:03:53" (3/3) ... [2020-09-25 04:03:53,611 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-09-25 04:03:53,622 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:03:53,633 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:03:53,655 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:03:53,693 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:03:53,693 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:03:53,693 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:03:53,693 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:03:53,693 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:03:53,694 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:03:53,694 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:03:53,694 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:03:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states. [2020-09-25 04:03:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 04:03:53,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:03:53,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:03:53,745 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:03:53,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:03:53,753 INFO L82 PathProgramCache]: Analyzing trace with hash -2025840680, now seen corresponding path program 1 times [2020-09-25 04:03:53,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:03:53,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403845753] [2020-09-25 04:03:53,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:03:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:54,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:54,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:55,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:56,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:57,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:58,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:59,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 04:03:59,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:03:59,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 04:03:59,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:59,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:03:59,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:59,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 04:03:59,589 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:03:59,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:03:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:59,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:59,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:03:59,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:59,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-25 04:03:59,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:59,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:59,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:59,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:03:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:59,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:59,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:59,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:59,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:03:59,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:59,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:59,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:59,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:59,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:59,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:59,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:03:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:59,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:59,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:59,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:59,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:59,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:59,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:59,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:59,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:03:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:59,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:59,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:59,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:03:59,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:59,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:59,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:03:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:59,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:59,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:59,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:59,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:59,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:59,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:59,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:59,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:59,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:03:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:59,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:59,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:03:59,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:59,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:03:59,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:59,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:59,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 04:03:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:59,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:59,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:59,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:59,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:03:59,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:59,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:03:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:59,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:59,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 04:03:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:59,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:59,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:59,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:59,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:59,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:59,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:03:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:59,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:59,956 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 04:03:59,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403845753] [2020-09-25 04:03:59,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:03:59,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:03:59,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131779987] [2020-09-25 04:03:59,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:03:59,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:03:59,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:03:59,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:03:59,997 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 4 states. [2020-09-25 04:04:01,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:04:01,570 INFO L93 Difference]: Finished difference Result 493 states and 590 transitions. [2020-09-25 04:04:01,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:04:01,573 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 04:04:01,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:04:01,594 INFO L225 Difference]: With dead ends: 493 [2020-09-25 04:04:01,594 INFO L226 Difference]: Without dead ends: 315 [2020-09-25 04:04:01,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:04:01,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-09-25 04:04:01,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 263. [2020-09-25 04:04:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-09-25 04:04:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 288 transitions. [2020-09-25 04:04:01,718 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 288 transitions. Word has length 148 [2020-09-25 04:04:01,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:04:01,719 INFO L479 AbstractCegarLoop]: Abstraction has 263 states and 288 transitions. [2020-09-25 04:04:01,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:04:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 288 transitions. [2020-09-25 04:04:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 04:04:01,733 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:04:01,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:04:01,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:04:01,736 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:04:01,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:04:01,736 INFO L82 PathProgramCache]: Analyzing trace with hash -435050295, now seen corresponding path program 1 times [2020-09-25 04:04:01,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:04:01,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971263638] [2020-09-25 04:04:01,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:04:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:01,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:01,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:03,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:04,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:05,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:06,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:06,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:06,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 04:04:06,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:04:06,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 04:04:06,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:06,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:04:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:04:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:04:06,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:07,212 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:04:07,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:04:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:07,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:07,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:07,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:04:07,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:07,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 04:04:07,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:07,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:07,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:07,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:04:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:07,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:07,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:07,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:07,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:07,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:07,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:07,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:07,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:04:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:07,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:07,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:07,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:07,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:07,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:07,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:07,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:07,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:04:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:07,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:07,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:07,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:07,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:07,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:04:07,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:07,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:07,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:07,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:04:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:07,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:07,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:07,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:07,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:07,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:07,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:07,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:07,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:07,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:04:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:07,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:07,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:07,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:04:07,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:07,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:07,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:07,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:07,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:07,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:07,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:07,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:04:07,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 04:04:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:07,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:07,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:07,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:07,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:07,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:04:07,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:07,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:07,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:07,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:04:07,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:07,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:04:07,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 04:04:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:07,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:07,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:07,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:07,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:07,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:07,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:07,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:07,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:04:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:07,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:07,464 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 04:04:07,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971263638] [2020-09-25 04:04:07,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:04:07,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:04:07,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025051035] [2020-09-25 04:04:07,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:04:07,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:04:07,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:04:07,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:04:07,470 INFO L87 Difference]: Start difference. First operand 263 states and 288 transitions. Second operand 5 states. [2020-09-25 04:04:08,178 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:04:09,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:04:09,356 INFO L93 Difference]: Finished difference Result 412 states and 473 transitions. [2020-09-25 04:04:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:04:09,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 04:04:09,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:04:09,367 INFO L225 Difference]: With dead ends: 412 [2020-09-25 04:04:09,367 INFO L226 Difference]: Without dead ends: 304 [2020-09-25 04:04:09,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 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 04:04:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-25 04:04:09,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 253. [2020-09-25 04:04:09,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-25 04:04:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 275 transitions. [2020-09-25 04:04:09,419 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 275 transitions. Word has length 149 [2020-09-25 04:04:09,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:04:09,420 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 275 transitions. [2020-09-25 04:04:09,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:04:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2020-09-25 04:04:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 04:04:09,422 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:04:09,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:04:09,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:04:09,423 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:04:09,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:04:09,423 INFO L82 PathProgramCache]: Analyzing trace with hash -917624863, now seen corresponding path program 1 times [2020-09-25 04:04:09,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:04:09,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303257322] [2020-09-25 04:04:09,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:04:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:09,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:09,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:10,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:10,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:12,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:14,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:14,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-25 04:04:14,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:04:14,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 04:04:14,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:14,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:04:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 04:04:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:04:14,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:14,839 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:04:14,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:04:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:14,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:14,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:14,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:04:14,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 04:04:14,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:14,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:14,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:14,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:04:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:14,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:14,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:14,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:14,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:14,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:04:14,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:14,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:14,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:14,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:14,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:14,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:14,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:04:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:14,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:14,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:14,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:14,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:14,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:04:14,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:14,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:14,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:14,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:04:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:14,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:14,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:14,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:14,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:14,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:04:14,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:14,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:14,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:14,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:14,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:14,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:14,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:04:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:14,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:14,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:14,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:14,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:04:15,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:15,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:15,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:04:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:15,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:15,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:15,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:04:15,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:15,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:15,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:15,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:15,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:15,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:04:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:15,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:15,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:15,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:04:15,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:15,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:04:15,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:15,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:04:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:04:15,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:15,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 04:04:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:15,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:15,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:15,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:15,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:15,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:15,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:15,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:15,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:15,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:04:15,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:15,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:15,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:04:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:15,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:15,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:15,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:15,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:15,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:15,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:15,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:15,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:15,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:04:15,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:15,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:15,082 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 04:04:15,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303257322] [2020-09-25 04:04:15,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:04:15,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:04:15,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100406276] [2020-09-25 04:04:15,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:04:15,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:04:15,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:04:15,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:04:15,085 INFO L87 Difference]: Start difference. First operand 253 states and 275 transitions. Second operand 6 states. [2020-09-25 04:04:15,605 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:17,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:04:17,930 INFO L93 Difference]: Finished difference Result 613 states and 725 transitions. [2020-09-25 04:04:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 04:04:17,938 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 04:04:17,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:04:17,944 INFO L225 Difference]: With dead ends: 613 [2020-09-25 04:04:17,944 INFO L226 Difference]: Without dead ends: 475 [2020-09-25 04:04:17,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:04:17,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2020-09-25 04:04:18,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 381. [2020-09-25 04:04:18,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-09-25 04:04:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 426 transitions. [2020-09-25 04:04:18,037 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 426 transitions. Word has length 162 [2020-09-25 04:04:18,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:04:18,038 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 426 transitions. [2020-09-25 04:04:18,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:04:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 426 transitions. [2020-09-25 04:04:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 04:04:18,041 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:04:18,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:04:18,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:04:18,042 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:04:18,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:04:18,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1871649820, now seen corresponding path program 1 times [2020-09-25 04:04:18,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:04:18,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171979156] [2020-09-25 04:04:18,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:04:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:18,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:19,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:19,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:19,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:21,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:23,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:23,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 04:04:23,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:04:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 04:04:23,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:23,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:04:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 04:04:23,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:04:23,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:23,429 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:04:23,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:04:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:23,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:23,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:04:23,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:23,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 04:04:23,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:23,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:23,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:23,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:23,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:04:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:23,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:23,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:23,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:23,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:23,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:23,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:23,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:04:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:23,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:23,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:23,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:23,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:23,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:23,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:23,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:23,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:23,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:04:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:23,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:23,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:23,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:23,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:23,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:04:23,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:23,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:23,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:23,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:23,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:04:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:23,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:23,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:23,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:23,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:23,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:04:23,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:23,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:23,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:23,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:23,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:23,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:23,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:04:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:23,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:23,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:23,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:04:23,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:23,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:23,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:23,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:23,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 04:04:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:23,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:23,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:23,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:04:23,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:23,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:04:23,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:23,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:23,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:23,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:23,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:23,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:04:23,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:04:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:23,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:23,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:23,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:23,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:23,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:04:23,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:23,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:04:23,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:23,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:04:23,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:23,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 04:04:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:23,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:23,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:23,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:23,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:23,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:04:23,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:23,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:04:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:04:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:23,800 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 04:04:23,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171979156] [2020-09-25 04:04:23,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:04:23,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:04:23,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471263787] [2020-09-25 04:04:23,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:04:23,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:04:23,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:04:23,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:04:23,803 INFO L87 Difference]: Start difference. First operand 381 states and 426 transitions. Second operand 10 states. [2020-09-25 04:04:24,446 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:25,789 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:04:26,137 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 04:04:26,500 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:26,834 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:04:27,159 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:27,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:04:27,547 INFO L93 Difference]: Finished difference Result 612 states and 730 transitions. [2020-09-25 04:04:27,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 04:04:27,548 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-25 04:04:27,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:04:27,549 INFO L225 Difference]: With dead ends: 612 [2020-09-25 04:04:27,549 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:04:27,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-25 04:04:27,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:04:27,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:04:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:04:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:04:27,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-25 04:04:27,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:04:27,553 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:04:27,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:04:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:04:27,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:04:27,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:04:27,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:04:27,769 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:27,940 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:28,293 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 04:04:28,466 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:28,631 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:28,790 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:28,952 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:29,113 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:29,269 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:29,426 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:29,537 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 04:04:29,855 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:04:30,158 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:04:30,463 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:04:30,765 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:04:30,919 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:31,078 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:31,222 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:04:31,377 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:31,530 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:31,686 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:31,842 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:31,995 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:32,143 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:32,292 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:32,447 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:32,606 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:32,759 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:32,910 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:33,064 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:33,218 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:33,372 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:33,522 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:33,674 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:33,827 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:33,982 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:34,248 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:04:34,511 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:04:34,776 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:04:35,039 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:04:35,303 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:04:35,554 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:04:35,803 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:04:35,909 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 04:04:36,063 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:36,227 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:36,379 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:36,529 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:36,685 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:36,841 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:37,091 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:37,244 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:37,398 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:37,551 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:37,659 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 04:04:37,815 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:38,070 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 04:04:38,224 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:38,391 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:38,547 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:38,705 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:38,985 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:04:39,247 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:04:39,509 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:04:39,770 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:04:40,033 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:04:40,282 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:04:40,529 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:04:40,690 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:40,842 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:41,005 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:41,160 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:41,312 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:41,464 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:41,617 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:41,764 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:41,915 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:42,067 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:42,481 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-25 04:04:42,694 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:04:42,911 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:04:43,290 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8