/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:02:47,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:02:47,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:02:47,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:02:47,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:02:47,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:02:47,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:02:47,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:02:47,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:02:47,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:02:47,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:02:47,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:02:47,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:02:47,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:02:47,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:02:47,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:02:47,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:02:47,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:02:47,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:02:47,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:02:47,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:02:47,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:02:47,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:02:47,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:02:47,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:02:47,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:02:47,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:02:47,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:02:47,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:02:47,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:02:47,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:02:47,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:02:47,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:02:47,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:02:47,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:02:47,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:02:47,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:02:47,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:02:47,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:02:47,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:02:47,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:02:47,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 04:02:47,447 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:02:47,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:02:47,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:02:47,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:02:47,449 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:02:47,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:02:47,449 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:02:47,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:02:47,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:02:47,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:02:47,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:02:47,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:02:47,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:02:47,451 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:02:47,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:02:47,451 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:02:47,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:02:47,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:02:47,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:02:47,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:02:47,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:02:47,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:02:47,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:02:47,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:02:47,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:02:47,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:02:47,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:02:47,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:02:47,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:02:47,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:02:47,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:02:47,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:02:47,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:02:47,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:02:47,961 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:02:47,962 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product12.cil.c [2020-09-25 04:02:48,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b28d6597d/1d60e882eb854a858303378eda9c00f6/FLAGa478ac00b [2020-09-25 04:02:48,655 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:02:48,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product12.cil.c [2020-09-25 04:02:48,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b28d6597d/1d60e882eb854a858303378eda9c00f6/FLAGa478ac00b [2020-09-25 04:02:48,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b28d6597d/1d60e882eb854a858303378eda9c00f6 [2020-09-25 04:02:48,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:02:49,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:02:49,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:02:49,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:02:49,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:02:49,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:02:48" (1/1) ... [2020-09-25 04:02:49,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658c4011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49, skipping insertion in model container [2020-09-25 04:02:49,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:02:48" (1/1) ... [2020-09-25 04:02:49,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:02:49,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:02:49,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:02:49,627 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:02:49,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:02:49,746 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:02:49,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49 WrapperNode [2020-09-25 04:02:49,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:02:49,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:02:49,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:02:49,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:02:49,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49" (1/1) ... [2020-09-25 04:02:49,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49" (1/1) ... [2020-09-25 04:02:49,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49" (1/1) ... [2020-09-25 04:02:49,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49" (1/1) ... [2020-09-25 04:02:49,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49" (1/1) ... [2020-09-25 04:02:49,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49" (1/1) ... [2020-09-25 04:02:49,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49" (1/1) ... [2020-09-25 04:02:49,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:02:49,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:02:49,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:02:49,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:02:49,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:02:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:02:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:02:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:02:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:02:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:02:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:02:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:02:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:02:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:02:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:02:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 04:02:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:02:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:02:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:02:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:02:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:02:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:02:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:02:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:02:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:02:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:02:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:02:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:02:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:02:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:02:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:02:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:02:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:02:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:02:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:02:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:02:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:02:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:02:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:02:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:02:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:02:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:02:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:02:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:02:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:02:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:02:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:02:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:02:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:02:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:02:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:02:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:02:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:02:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:02:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:02:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:02:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:02:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:02:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:02:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:02:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:02:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:02:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:02:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:02:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:02:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:02:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 04:02:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:02:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:02:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:02:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:02:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:02:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:02:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:02:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:02:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:02:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:02:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:02:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:02:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:02:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:02:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:02:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:02:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:02:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:02:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:02:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:02:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:02:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:02:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:02:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:02:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:02:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:02:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:02:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:02:51,046 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:02:51,047 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:02:51,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:02:51 BoogieIcfgContainer [2020-09-25 04:02:51,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:02:51,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:02:51,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:02:51,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:02:51,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:02:48" (1/3) ... [2020-09-25 04:02:51,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b12bcba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:02:51, skipping insertion in model container [2020-09-25 04:02:51,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:49" (2/3) ... [2020-09-25 04:02:51,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b12bcba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:02:51, skipping insertion in model container [2020-09-25 04:02:51,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:02:51" (3/3) ... [2020-09-25 04:02:51,063 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2020-09-25 04:02:51,074 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:02:51,085 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:02:51,107 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:02:51,139 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:02:51,140 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:02:51,140 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:02:51,140 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:02:51,140 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:02:51,140 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:02:51,140 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:02:51,141 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:02:51,167 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2020-09-25 04:02:51,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 04:02:51,184 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:02:51,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:02:51,186 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:02:51,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:02:51,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1344573780, now seen corresponding path program 1 times [2020-09-25 04:02:51,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:02:51,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059727264] [2020-09-25 04:02:51,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:02:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:51,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:51,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:53,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:54,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:54,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:55,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:56,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:56,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 04:02:56,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:02:56,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-09-25 04:02:56,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:56,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:56,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:02:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:56,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:02:57,104 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:02:57,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:02:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:57,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:57,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:57,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:02:57,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:57,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-25 04:02:57,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:57,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:57,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:57,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:57,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:57,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:57,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:02:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:57,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:57,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:57,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:57,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:57,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:57,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:57,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:57,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:57,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:57,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:57,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:57,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:02:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:57,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:57,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:57,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:57,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:57,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:57,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:57,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:57,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:57,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:02:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:57,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:57,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:57,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:57,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:57,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:02:57,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:57,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:57,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:57,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:57,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:57,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:57,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:02:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:57,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:57,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:57,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:57,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:57,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:57,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:57,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:57,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:57,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:02:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:57,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:57,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:57,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:02:57,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:57,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:57,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:57,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:57,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:57,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:57,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:57,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:02:57,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 04:02:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:57,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:57,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:57,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:57,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:57,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:02:57,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:57,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:57,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:57,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:02:57,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:57,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:57,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 04:02:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:57,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:57,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:57,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:57,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:57,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:02:57,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:57,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:02:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:57,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:02:57,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059727264] [2020-09-25 04:02:57,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:02:57,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:02:57,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100748544] [2020-09-25 04:02:57,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:02:57,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:02:57,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:02:57,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:02:57,566 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 4 states. [2020-09-25 04:02:58,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:02:58,857 INFO L93 Difference]: Finished difference Result 387 states and 462 transitions. [2020-09-25 04:02:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:02:58,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 04:02:58,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:02:58,888 INFO L225 Difference]: With dead ends: 387 [2020-09-25 04:02:58,889 INFO L226 Difference]: Without dead ends: 260 [2020-09-25 04:02:58,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:02:58,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-09-25 04:02:59,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 212. [2020-09-25 04:02:59,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-25 04:02:59,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 227 transitions. [2020-09-25 04:02:59,024 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 227 transitions. Word has length 148 [2020-09-25 04:02:59,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:02:59,025 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 227 transitions. [2020-09-25 04:02:59,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:02:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 227 transitions. [2020-09-25 04:02:59,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 04:02:59,030 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:02:59,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:02:59,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:02:59,031 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:02:59,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:02:59,031 INFO L82 PathProgramCache]: Analyzing trace with hash 643264666, now seen corresponding path program 1 times [2020-09-25 04:02:59,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:02:59,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037433478] [2020-09-25 04:02:59,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:02:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:59,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:59,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:00,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:01,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:02,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:03,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:04,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:04,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 04:03:04,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:03:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 04:03:04,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:04,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:03:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:03:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:03:04,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:04,411 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:03:04,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:03:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:04,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:04,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:03:04,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:04,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-25 04:03:04,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:04,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:04,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:04,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:03:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:04,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:04,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:04,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:04,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:04,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:03:04,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:04,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:04,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:04,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:04,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:04,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:04,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:03:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:04,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:04,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:04,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:04,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:04,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:03:04,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:04,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:04,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:04,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:04,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:04,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:04,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:03:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:04,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:04,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:04,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:04,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:04,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:03:04,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:04,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:04,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:04,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:03:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:04,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:04,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:04,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:04,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:04,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:03:04,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:04,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:04,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:04,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:04,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:04,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:04,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:03:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:04,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:04,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:04,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:03:04,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:03:04,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:04,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:04,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:03:04,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 04:03:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:04,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:04,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:04,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:04,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:04,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:04,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:04,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:04,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:03:04,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:04,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:04,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 04:03:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:04,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:04,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:04,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:04,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:04,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:04,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:04,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:04,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:03:04,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:04,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:04,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:03:04,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037433478] [2020-09-25 04:03:04,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:03:04,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:03:04,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099708711] [2020-09-25 04:03:04,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:03:04,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:03:04,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:03:04,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:03:04,670 INFO L87 Difference]: Start difference. First operand 212 states and 227 transitions. Second operand 5 states. [2020-09-25 04:03:05,309 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:03:06,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:03:06,004 INFO L93 Difference]: Finished difference Result 303 states and 343 transitions. [2020-09-25 04:03:06,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:03:06,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 04:03:06,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:03:06,010 INFO L225 Difference]: With dead ends: 303 [2020-09-25 04:03:06,010 INFO L226 Difference]: Without dead ends: 249 [2020-09-25 04:03:06,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:03:06,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-09-25 04:03:06,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 202. [2020-09-25 04:03:06,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-09-25 04:03:06,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 214 transitions. [2020-09-25 04:03:06,057 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 214 transitions. Word has length 149 [2020-09-25 04:03:06,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:03:06,058 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 214 transitions. [2020-09-25 04:03:06,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:03:06,058 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 214 transitions. [2020-09-25 04:03:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 04:03:06,061 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:03:06,061 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:03:06,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:03:06,062 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:03:06,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:03:06,062 INFO L82 PathProgramCache]: Analyzing trace with hash -2137394470, now seen corresponding path program 1 times [2020-09-25 04:03:06,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:03:06,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756384556] [2020-09-25 04:03:06,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:03:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:06,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:06,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:07,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:07,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:09,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:11,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:11,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-25 04:03:11,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:03:11,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 04:03:11,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:11,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:03:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 04:03:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:03:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:11,579 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:03:11,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:03:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:11,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:11,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:11,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:03:11,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:11,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 04:03:11,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:11,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:11,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:11,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:11,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:03:11,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:03:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:11,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:11,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:11,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:11,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:11,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:03:11,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:11,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:11,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:11,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:11,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:11,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:11,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:03:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:11,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:11,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:11,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:11,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:11,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:11,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:11,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:11,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:11,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:11,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:11,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:11,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:03:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:11,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:11,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:11,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:11,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:11,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:03:11,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:11,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:11,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:11,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:11,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:11,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:03:11,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:03:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:11,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:11,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:11,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:11,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:11,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:11,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:11,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:11,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:11,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:11,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:11,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:11,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:03:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:11,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:11,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:11,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:03:11,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:11,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:03:11,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:11,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:11,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:11,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:11,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:11,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:11,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:03:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:11,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:11,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:11,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:03:11,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:11,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:03:11,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:11,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:03:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:03:11,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:11,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 04:03:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:11,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:11,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:11,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:11,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:11,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:11,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:11,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:11,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:11,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:03:11,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:11,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:11,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:03:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:11,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:11,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:11,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:11,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:11,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:11,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:11,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:03:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:03:11,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756384556] [2020-09-25 04:03:11,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:03:11,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:03:11,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540543776] [2020-09-25 04:03:11,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:03:11,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:03:11,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:03:11,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:03:11,861 INFO L87 Difference]: Start difference. First operand 202 states and 214 transitions. Second operand 6 states. [2020-09-25 04:03:12,343 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:13,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:03:13,645 INFO L93 Difference]: Finished difference Result 452 states and 530 transitions. [2020-09-25 04:03:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 04:03:13,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 04:03:13,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:03:13,651 INFO L225 Difference]: With dead ends: 452 [2020-09-25 04:03:13,651 INFO L226 Difference]: Without dead ends: 365 [2020-09-25 04:03:13,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:03:13,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-09-25 04:03:13,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 273. [2020-09-25 04:03:13,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-09-25 04:03:13,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 296 transitions. [2020-09-25 04:03:13,708 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 296 transitions. Word has length 162 [2020-09-25 04:03:13,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:03:13,708 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 296 transitions. [2020-09-25 04:03:13,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:03:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 296 transitions. [2020-09-25 04:03:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 04:03:13,711 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:03:13,711 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 04:03:13,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:03:13,712 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:03:13,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:03:13,712 INFO L82 PathProgramCache]: Analyzing trace with hash 424813737, now seen corresponding path program 1 times [2020-09-25 04:03:13,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:03:13,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464716973] [2020-09-25 04:03:13,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:03:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:13,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:14,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:14,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:15,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:18,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:18,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 04:03:18,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:03:18,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 04:03:18,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:18,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:18,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:03:18,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-09-25 04:03:18,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 04:03:18,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:19,187 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:03:19,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:03:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:19,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:19,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:19,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:03:19,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 04:03:19,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:19,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:19,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:03:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:19,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:19,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:19,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:19,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:19,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:19,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:19,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:19,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:19,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:19,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:03:19,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:03:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:19,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:19,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:19,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:19,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:19,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:03:19,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:19,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:19,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:19,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:03:19,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:03:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:19,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:19,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:19,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:19,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:03:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:19,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:19,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:03:19,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:03:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:19,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:19,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:19,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:19,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:19,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:03:19,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:19,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:03:19,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:03:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:19,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:19,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:19,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:03:19,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:19,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:03:19,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:19,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:19,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:03:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:19,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:19,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:19,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:03:19,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:19,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:19,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:19,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 04:03:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:19,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:19,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:19,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:19,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:19,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:19,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:19,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:19,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:03:19,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:19,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:03:19,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:19,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 04:03:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:19,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:19,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:19,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:19,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:19,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:03:19,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:19,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:19,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:03:19,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:19,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:03:19,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:03:19,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 04:03:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:19,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:19,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:19,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:19,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:19,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:03:19,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:19,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:03:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:03:19,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:03:19,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464716973] [2020-09-25 04:03:19,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:03:19,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:03:19,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126966635] [2020-09-25 04:03:19,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:03:19,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:03:19,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:03:19,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:03:19,522 INFO L87 Difference]: Start difference. First operand 273 states and 296 transitions. Second operand 10 states. [2020-09-25 04:03:20,253 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:21,692 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 04:03:22,270 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 04:03:22,564 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:22,867 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:03:23,160 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:23,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:03:23,462 INFO L93 Difference]: Finished difference Result 482 states and 567 transitions. [2020-09-25 04:03:23,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 04:03:23,463 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 04:03:23,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:03:23,465 INFO L225 Difference]: With dead ends: 482 [2020-09-25 04:03:23,465 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:03:23,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-25 04:03:23,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:03:23,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:03:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:03:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:03:23,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 04:03:23,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:03:23,470 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:03:23,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:03:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:03:23,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:03:23,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:03:23,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:03:23,663 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:23,813 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 04:03:23,982 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:24,143 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:24,316 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:24,450 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 04:03:24,623 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:24,736 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 04:03:24,850 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 04:03:25,206 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:03:25,564 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:03:25,929 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:03:26,294 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:03:26,546 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:03:26,884 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:03:27,134 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:03:27,291 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:27,404 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 04:03:27,747 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:03:28,082 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:03:28,420 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:03:28,758 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:03:29,012 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:03:29,348 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-25 04:03:29,597 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:03:29,748 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:29,900 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:30,054 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:30,209 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:30,362 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:30,514 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:30,819 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:03:31,122 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:03:31,429 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:03:31,733 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:03:31,879 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:03:32,032 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:32,188 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:32,341 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:32,493 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:32,646 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:32,798 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:32,946 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:33,098 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:33,246 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:33,400 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:33,548 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:33,703 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:33,814 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 04:03:33,966 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:34,120 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:34,272 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:34,420 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:34,571 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:34,720 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:34,874 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:35,026 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:35,178 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:35,329 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:35,483 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:35,637 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:35,785 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:35,937 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:36,089 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:36,395 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:03:36,698 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190