/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:50:41,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:50:41,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:50:41,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:50:41,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:50:41,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:50:41,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:50:41,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:50:41,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:50:41,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:50:41,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:50:41,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:50:41,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:50:41,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:50:41,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:50:41,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:50:41,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:50:41,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:50:41,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:50:41,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:50:41,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:50:41,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:50:41,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:50:41,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:50:41,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:50:41,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:50:41,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:50:41,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:50:41,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:50:41,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:50:41,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:50:41,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:50:41,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:50:41,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:50:41,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:50:41,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:50:41,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:50:41,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:50:41,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:50:41,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:50:41,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:50:41,896 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 09:50:41,942 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:50:41,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:50:41,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:50:41,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:50:41,945 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:50:41,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:50:41,945 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:50:41,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:50:41,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:50:41,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:50:41,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:50:41,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:50:41,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:50:41,948 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:50:41,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:50:41,948 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:50:41,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:50:41,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:50:41,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:50:41,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:50:41,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:50:41,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:50:41,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:50:41,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:50:41,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:50:41,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:50:41,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:50:41,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:50:41,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:50:41,951 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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:50:42,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:50:42,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:50:42,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:50:42,402 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:50:42,402 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:50:42,403 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 09:50:42,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cce0a78ea/dd3874933cf742079a40a51c2b2ab7fb/FLAG132129cf2 [2020-09-25 09:50:43,118 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:50:43,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 09:50:43,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cce0a78ea/dd3874933cf742079a40a51c2b2ab7fb/FLAG132129cf2 [2020-09-25 09:50:43,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cce0a78ea/dd3874933cf742079a40a51c2b2ab7fb [2020-09-25 09:50:43,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:50:43,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:50:43,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:50:43,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:50:43,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:50:43,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:50:43" (1/1) ... [2020-09-25 09:50:43,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dffe24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:43, skipping insertion in model container [2020-09-25 09:50:43,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:50:43" (1/1) ... [2020-09-25 09:50:43,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:50:43,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:50:44,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:50:44,020 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:50:44,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:50:44,137 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:50:44,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:44 WrapperNode [2020-09-25 09:50:44,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:50:44,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:50:44,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:50:44,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:50:44,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:44" (1/1) ... [2020-09-25 09:50:44,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:44" (1/1) ... [2020-09-25 09:50:44,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:44" (1/1) ... [2020-09-25 09:50:44,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:44" (1/1) ... [2020-09-25 09:50:44,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:44" (1/1) ... [2020-09-25 09:50:44,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:44" (1/1) ... [2020-09-25 09:50:44,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:44" (1/1) ... [2020-09-25 09:50:44,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:50:44,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:50:44,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:50:44,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:50:44,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:44" (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 09:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:50:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:50:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:50:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:50:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:50:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:50:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:50:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:50:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:50:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:50:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:50:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:50:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:50:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:50:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:50:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:50:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:50:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:50:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:50:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:50:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:50:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:50:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:50:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:50:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:50:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:50:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:50:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:50:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:50:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:50:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:50:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:50:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:50:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:50:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:50:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:50:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:50:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:50:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:50:45,469 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:50:45,469 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:50:45,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:50:45 BoogieIcfgContainer [2020-09-25 09:50:45,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:50:45,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:50:45,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:50:45,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:50:45,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:50:43" (1/3) ... [2020-09-25 09:50:45,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f72010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:50:45, skipping insertion in model container [2020-09-25 09:50:45,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:44" (2/3) ... [2020-09-25 09:50:45,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f72010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:50:45, skipping insertion in model container [2020-09-25 09:50:45,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:50:45" (3/3) ... [2020-09-25 09:50:45,486 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-09-25 09:50:45,498 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:50:45,510 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:50:45,533 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:50:45,568 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:50:45,568 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:50:45,568 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:50:45,568 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:50:45,569 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:50:45,569 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:50:45,569 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:50:45,569 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:50:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2020-09-25 09:50:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:50:45,618 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:50:45,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:50:45,620 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:50:45,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:50:45,628 INFO L82 PathProgramCache]: Analyzing trace with hash 915241318, now seen corresponding path program 1 times [2020-09-25 09:50:45,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:50:45,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814702993] [2020-09-25 09:50:45,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:50:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:46,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:47,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:48,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:50,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:50,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:50:50,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:50:50,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 09:50:50,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:50,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:50,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:50:50,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:50:50,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 09:50:50,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 09:50:51,588 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:50:51,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:50:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:51,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:51,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:51,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:50:51,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:51,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-25 09:50:51,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:51,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:51,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:51,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:51,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:50:51,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:52,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:50:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:52,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:52,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:52,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:50:52,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:52,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:50:52,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:52,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:50:52,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:52,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:50:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:52,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:52,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:52,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:50:52,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:50:52,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:52,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:50:52,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:52,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:50:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:52,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:52,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:52,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:52,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:52,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:50:52,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:52,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:50:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:52,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:50:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:52,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:52,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:52,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:50:52,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:52,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:50:52,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:52,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:50:52,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:52,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:50:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:52,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:52,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:52,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:50:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:52,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:50:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:50:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:50:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:52,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:52,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:52,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:52,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:52,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:52,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:52,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:50:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:52,148 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 09:50:52,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814702993] [2020-09-25 09:50:52,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:50:52,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:50:52,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520198705] [2020-09-25 09:50:52,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:50:52,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:50:52,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:50:52,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:50:52,183 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 8 states. [2020-09-25 09:50:52,760 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:50:53,651 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:50:53,959 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:50:54,360 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:50:54,740 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:50:55,070 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:50:55,386 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:50:55,677 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:50:57,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:50:57,207 INFO L93 Difference]: Finished difference Result 538 states and 669 transitions. [2020-09-25 09:50:57,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 09:50:57,217 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:50:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:50:57,240 INFO L225 Difference]: With dead ends: 538 [2020-09-25 09:50:57,240 INFO L226 Difference]: Without dead ends: 374 [2020-09-25 09:50:57,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 09:50:57,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-09-25 09:50:57,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 330. [2020-09-25 09:50:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-09-25 09:50:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 374 transitions. [2020-09-25 09:50:57,408 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 374 transitions. Word has length 142 [2020-09-25 09:50:57,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:50:57,409 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 374 transitions. [2020-09-25 09:50:57,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:50:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 374 transitions. [2020-09-25 09:50:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 09:50:57,427 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:50:57,428 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 09:50:57,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:50:57,428 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:50:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:50:57,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1434938903, now seen corresponding path program 1 times [2020-09-25 09:50:57,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:50:57,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607944758] [2020-09-25 09:50:57,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:50:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:57,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:57,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:02,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:02,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 09:51:02,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:51:02,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 09:51:02,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:02,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:02,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:51:02,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:51:02,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 09:51:02,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:02,890 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:02,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:02,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:03,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:03,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:03,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:03,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-09-25 09:51:03,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:03,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:03,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:03,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:03,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:51:03,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:03,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:03,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:03,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:03,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:03,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:03,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:03,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:03,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:03,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:03,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:03,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:03,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:03,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:03,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:03,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:03,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:03,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:03,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:03,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:03,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:03,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:03,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:03,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:51:03,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:03,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:03,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:03,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:03,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:03,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:03,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:03,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:03,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:03,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:03,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:03,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 09:51:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:03,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:03,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:03,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:03,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:03,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:51:03,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:03,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:03,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:51:03,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:03,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 09:51:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:03,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:03,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:03,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:03,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:03,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:03,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:03,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:03,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:03,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 09:51:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:03,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:03,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:03,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:03,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:03,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:03,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:03,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:03,383 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 09:51:03,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607944758] [2020-09-25 09:51:03,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:03,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 09:51:03,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331153626] [2020-09-25 09:51:03,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 09:51:03,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:03,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 09:51:03,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 09:51:03,392 INFO L87 Difference]: Start difference. First operand 330 states and 374 transitions. Second operand 5 states. [2020-09-25 09:51:03,856 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:51:05,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:05,799 INFO L93 Difference]: Finished difference Result 845 states and 1040 transitions. [2020-09-25 09:51:05,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 09:51:05,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 09:51:05,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:05,808 INFO L225 Difference]: With dead ends: 845 [2020-09-25 09:51:05,808 INFO L226 Difference]: Without dead ends: 625 [2020-09-25 09:51:05,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 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 09:51:05,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2020-09-25 09:51:05,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 537. [2020-09-25 09:51:05,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-09-25 09:51:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 623 transitions. [2020-09-25 09:51:05,930 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 623 transitions. Word has length 148 [2020-09-25 09:51:05,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:05,931 INFO L479 AbstractCegarLoop]: Abstraction has 537 states and 623 transitions. [2020-09-25 09:51:05,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 09:51:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 623 transitions. [2020-09-25 09:51:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 09:51:05,934 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:05,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:51:05,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:51:05,935 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:05,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:05,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1933049782, now seen corresponding path program 1 times [2020-09-25 09:51:05,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:05,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627305137] [2020-09-25 09:51:05,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:06,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:06,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:06,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 09:51:11,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:51:11,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 09:51:11,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:51:11,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:51:11,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 09:51:11,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:11,463 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:11,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:11,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-09-25 09:51:11,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:51:11,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:11,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:11,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:11,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:11,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:11,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:11,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:11,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:11,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:11,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:11,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:11,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:11,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:11,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:11,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:11,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:11,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:51:11,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:11,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:11,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:11,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:11,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:11,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:11,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 09:51:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:11,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:11,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:11,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:11,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:51:11,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:11,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:11,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 09:51:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 09:51:11,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:11,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:11,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:11,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 09:51:11,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:11,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:11,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:51:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:11,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:11,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:11,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:11,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:11,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:51:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:11,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:11,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:11,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:11,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:11,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:11,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:11,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 09:51:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:11,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:11,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:11,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:11,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:11,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:11,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:11,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:11,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:12,014 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 09:51:12,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627305137] [2020-09-25 09:51:12,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:12,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 09:51:12,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026863370] [2020-09-25 09:51:12,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 09:51:12,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:12,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 09:51:12,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 09:51:12,018 INFO L87 Difference]: Start difference. First operand 537 states and 623 transitions. Second operand 6 states. [2020-09-25 09:51:12,534 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:13,190 INFO L93 Difference]: Finished difference Result 863 states and 1048 transitions. [2020-09-25 09:51:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 09:51:13,191 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-25 09:51:13,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:13,194 INFO L225 Difference]: With dead ends: 863 [2020-09-25 09:51:13,194 INFO L226 Difference]: Without dead ends: 415 [2020-09-25 09:51:13,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:51:13,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-09-25 09:51:13,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 389. [2020-09-25 09:51:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-25 09:51:13,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 424 transitions. [2020-09-25 09:51:13,247 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 424 transitions. Word has length 156 [2020-09-25 09:51:13,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:13,248 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 424 transitions. [2020-09-25 09:51:13,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 09:51:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 424 transitions. [2020-09-25 09:51:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 09:51:13,251 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:13,251 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] [2020-09-25 09:51:13,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:51:13,251 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:13,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:13,252 INFO L82 PathProgramCache]: Analyzing trace with hash 668526196, now seen corresponding path program 1 times [2020-09-25 09:51:13,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:13,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470979863] [2020-09-25 09:51:13,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:14,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:14,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:18,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:18,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 09:51:18,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:51:18,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 09:51:18,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:18,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:18,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:51:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:51:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 09:51:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:18,633 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:18,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:18,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:18,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:18,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:18,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-09-25 09:51:18,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:18,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:18,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:18,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:18,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:51:18,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:18,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:18,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:18,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:18,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:18,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:18,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:18,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:18,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:18,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:18,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:18,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:18,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:18,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:18,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:18,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:18,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:18,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:18,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:18,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:18,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:18,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:18,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:18,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:51:18,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:18,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:18,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:18,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:18,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:18,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:18,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:18,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:19,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:19,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:19,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:19,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:19,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:19,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 09:51:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:19,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:19,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:19,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:19,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:19,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:51:19,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:19,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:51:19,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:19,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 09:51:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:19,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:19,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:19,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:19,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 09:51:19,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:51:19,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:51:19,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:19,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:51:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:51:19,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:51:19,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:19,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:51:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:19,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:19,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:19,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:19,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:19,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:19,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:19,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 09:51:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:19,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:19,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:19,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:19,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:19,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:19,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:19,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:19,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 09:51:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:19,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:19,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:19,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:19,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:19,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:51:19,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:19,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:19,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:51:19,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:19,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:19,159 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 09:51:19,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470979863] [2020-09-25 09:51:19,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:19,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:51:19,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274008600] [2020-09-25 09:51:19,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:51:19,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:19,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:51:19,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:51:19,162 INFO L87 Difference]: Start difference. First operand 389 states and 424 transitions. Second operand 10 states. [2020-09-25 09:51:19,628 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:20,783 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:21,094 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:21,417 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:21,743 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 09:51:22,047 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:51:22,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:22,252 INFO L93 Difference]: Finished difference Result 415 states and 458 transitions. [2020-09-25 09:51:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 09:51:22,253 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 09:51:22,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:22,255 INFO L225 Difference]: With dead ends: 415 [2020-09-25 09:51:22,255 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 09:51:22,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:51:22,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 09:51:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 09:51:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 09:51:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 09:51:22,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 09:51:22,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:22,259 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 09:51:22,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:51:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 09:51:22,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 09:51:22,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:51:22,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 09:51:22,489 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:22,666 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:22,841 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:23,010 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:23,182 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:23,364 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:23,534 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:23,691 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:23,841 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:24,009 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:24,171 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:24,324 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:24,473 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:24,632 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:24,816 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:24,974 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:25,126 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:25,275 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:25,432 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:25,590 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:25,744 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:25,904 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:26,059 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:26,214 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:26,383 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:26,531 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:26,679 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:26,806 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 7 [2020-09-25 09:51:26,936 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 7 [2020-09-25 09:51:27,097 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:27,258 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:27,399 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:27,551 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:27,708 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:27,861 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:28,012 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:28,169 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:28,325 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:28,480 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:28,644 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:28,796 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:28,948 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:29,107 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:29,257 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:29,404 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:29,559 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:29,717 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:29,864 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:30,017 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:30,184 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:30,337 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:30,485 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:30,637 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:30,794 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:30,948 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:31,096 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:31,252 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:31,411 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:31,670 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:31,822 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:31,970 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:32,124 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:32,283 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:32,444 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190