/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 interpolation-heuristic=FIRST --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_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:43:19,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:43:19,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:43:19,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:43:19,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:43:19,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:43:19,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:43:19,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:43:19,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:43:19,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:43:19,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:43:19,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:43:19,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:43:19,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:43:19,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:43:19,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:43:19,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:43:19,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:43:19,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:43:19,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:43:19,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:43:19,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:43:19,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:43:19,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:43:19,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:43:19,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:43:19,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:43:19,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:43:19,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:43:19,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:43:19,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:43:19,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:43:19,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:43:19,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:43:19,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:43:19,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:43:19,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:43:19,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:43:19,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:43:19,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:43:19,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:43:19,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:43:19,281 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:43:19,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:43:19,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:43:19,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:43:19,283 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:43:19,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:43:19,283 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:43:19,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:43:19,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:43:19,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:43:19,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:43:19,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:43:19,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:43:19,285 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:43:19,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:43:19,285 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:43:19,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:43:19,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:43:19,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:43:19,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:43:19,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:43:19,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:43:19,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:43:19,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:43:19,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:43:19,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:43:19,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:43:19,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:43:19,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:43:19,288 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:43:19,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:43:19,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:43:19,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:43:19,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:43:19,760 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:43:19,761 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-09-24 15:43:19,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f6a409a2/8a7f5681779c4ffcad9e340afdbe3046/FLAGfce5228bd [2020-09-24 15:43:20,485 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:43:20,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-09-24 15:43:20,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f6a409a2/8a7f5681779c4ffcad9e340afdbe3046/FLAGfce5228bd [2020-09-24 15:43:20,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f6a409a2/8a7f5681779c4ffcad9e340afdbe3046 [2020-09-24 15:43:20,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:43:20,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:43:20,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:43:20,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:43:20,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:43:20,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:43:20" (1/1) ... [2020-09-24 15:43:20,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b9c226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:20, skipping insertion in model container [2020-09-24 15:43:20,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:43:20" (1/1) ... [2020-09-24 15:43:20,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:43:20,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:43:21,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:43:21,368 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:43:21,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:43:21,544 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:43:21,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:21 WrapperNode [2020-09-24 15:43:21,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:43:21,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:43:21,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:43:21,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:43:21,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:21" (1/1) ... [2020-09-24 15:43:21,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:21" (1/1) ... [2020-09-24 15:43:21,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:21" (1/1) ... [2020-09-24 15:43:21,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:21" (1/1) ... [2020-09-24 15:43:21,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:21" (1/1) ... [2020-09-24 15:43:21,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:21" (1/1) ... [2020-09-24 15:43:21,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:21" (1/1) ... [2020-09-24 15:43:21,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:43:21,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:43:21,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:43:21,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:43:21,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:43:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:43:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:43:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:43:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:43:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:43:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:43:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:43:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:43:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:43:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:43:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:43:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:43:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:43:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:43:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:43:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:43:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:43:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:43:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:43:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:43:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:43:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:43:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:43:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:43:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:43:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:43:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:43:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:43:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-24 15:43:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:43:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:43:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:43:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:43:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:43:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:43:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:43:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:43:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:43:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:43:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:43:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:43:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:43:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:43:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:43:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:43:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:43:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:43:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:43:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:43:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:43:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:43:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:43:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:43:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:43:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:43:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:43:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:43:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:43:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:43:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:43:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:43:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:43:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:43:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:43:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:43:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:43:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:43:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:43:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:43:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:43:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:43:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:43:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:43:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:43:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:43:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:43:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:43:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:43:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:43:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:43:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:43:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:43:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:43:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:43:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:43:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:43:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:43:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:43:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-24 15:43:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:43:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:43:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:43:22,828 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:43:22,828 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:43:22,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:43:22 BoogieIcfgContainer [2020-09-24 15:43:22,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:43:22,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:43:22,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:43:22,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:43:22,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:43:20" (1/3) ... [2020-09-24 15:43:22,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65dc511f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:43:22, skipping insertion in model container [2020-09-24 15:43:22,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:43:21" (2/3) ... [2020-09-24 15:43:22,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65dc511f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:43:22, skipping insertion in model container [2020-09-24 15:43:22,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:43:22" (3/3) ... [2020-09-24 15:43:22,845 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2020-09-24 15:43:22,856 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:43:22,867 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:43:22,885 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:43:22,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:43:22,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:43:22,918 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:43:22,918 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:43:22,918 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:43:22,918 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:43:22,919 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:43:22,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:43:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2020-09-24 15:43:22,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:43:22,962 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:43:22,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:43:22,964 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:43:22,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:43:22,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1704191269, now seen corresponding path program 1 times [2020-09-24 15:43:22,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:43:22,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498626892] [2020-09-24 15:43:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:43:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:23,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:23,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:23,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:23,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:23,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:43:23,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:23,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:43:23,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:43:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:23,943 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:43:23,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:23,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:23,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:23,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:23,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:23,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:43:23,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:23,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:23,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:23,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:24,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:43:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:24,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:24,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:24,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:24,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:24,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:24,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:24,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:24,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:24,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:24,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:43:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:24,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:24,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:24,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:24,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:24,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:24,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:24,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:24,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:24,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:24,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:24,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:24,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:43:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:24,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:24,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:24,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:24,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:24,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:24,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:24,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:24,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:24,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:43:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:24,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:24,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:24,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:24,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:24,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:24,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:24,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:24,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:24,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:24,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:24,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:24,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:43:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:24,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:24,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:24,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:24,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:24,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:24,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:24,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:24,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:24,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:24,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:43:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:24,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:24,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:24,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:24,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:24,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:24,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:24,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:24,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:24,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:24,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:24,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:24,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:24,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:43:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:24,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:24,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:24,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:24,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:24,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:24,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:24,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:24,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:24,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:24,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:24,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:24,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:43:24,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498626892] [2020-09-24 15:43:24,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:43:24,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:43:24,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299948649] [2020-09-24 15:43:24,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:43:24,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:24,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:43:24,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:43:24,241 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2020-09-24 15:43:25,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:43:25,527 INFO L93 Difference]: Finished difference Result 429 states and 515 transitions. [2020-09-24 15:43:25,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:43:25,529 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:43:25,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:43:25,550 INFO L225 Difference]: With dead ends: 429 [2020-09-24 15:43:25,550 INFO L226 Difference]: Without dead ends: 282 [2020-09-24 15:43:25,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:43:25,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-24 15:43:25,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 232. [2020-09-24 15:43:25,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-09-24 15:43:25,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 252 transitions. [2020-09-24 15:43:25,682 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 252 transitions. Word has length 148 [2020-09-24 15:43:25,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:43:25,686 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 252 transitions. [2020-09-24 15:43:25,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:43:25,686 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 252 transitions. [2020-09-24 15:43:25,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:43:25,700 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:43:25,700 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] [2020-09-24 15:43:25,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:43:25,701 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:43:25,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:43:25,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1727382823, now seen corresponding path program 1 times [2020-09-24 15:43:25,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:43:25,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328549860] [2020-09-24 15:43:25,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:43:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:25,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:25,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:25,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:25,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:25,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:43:25,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:25,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:43:25,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:43:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:43:25,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:26,218 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:43:26,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:26,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:26,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:26,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:26,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:26,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:43:26,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:26,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:26,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:26,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:26,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:26,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:26,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:26,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:43:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:26,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:26,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:26,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:26,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:26,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:26,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:26,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:26,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:26,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:26,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:43:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:26,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:26,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:26,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:26,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:26,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:26,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:26,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:26,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:26,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:43:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:26,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:26,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:26,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:26,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:26,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:26,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:26,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:26,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:26,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:26,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:43:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:26,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:26,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:26,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:26,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:26,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:26,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:26,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:26,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:26,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:26,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:43:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:26,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:26,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:26,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:26,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:26,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:26,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:26,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:26,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:26,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:43:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:26,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:26,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:26,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:26,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:26,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:26,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:26,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:43:26,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:26,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:26,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:26,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:26,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:43:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:26,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:26,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:26,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:26,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:26,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:26,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:26,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:26,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:26,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:43:26,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328549860] [2020-09-24 15:43:26,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:43:26,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:43:26,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127887055] [2020-09-24 15:43:26,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:43:26,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:26,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:43:26,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:43:26,417 INFO L87 Difference]: Start difference. First operand 232 states and 252 transitions. Second operand 5 states. [2020-09-24 15:43:27,240 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:28,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:43:28,137 INFO L93 Difference]: Finished difference Result 348 states and 398 transitions. [2020-09-24 15:43:28,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:43:28,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:43:28,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:43:28,143 INFO L225 Difference]: With dead ends: 348 [2020-09-24 15:43:28,143 INFO L226 Difference]: Without dead ends: 271 [2020-09-24 15:43:28,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:43:28,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-24 15:43:28,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 222. [2020-09-24 15:43:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-24 15:43:28,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 239 transitions. [2020-09-24 15:43:28,183 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 239 transitions. Word has length 149 [2020-09-24 15:43:28,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:43:28,183 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 239 transitions. [2020-09-24 15:43:28,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:43:28,183 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2020-09-24 15:43:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 15:43:28,186 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:43:28,186 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] [2020-09-24 15:43:28,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:43:28,186 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:43:28,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:43:28,187 INFO L82 PathProgramCache]: Analyzing trace with hash -133214924, now seen corresponding path program 1 times [2020-09-24 15:43:28,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:43:28,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968046878] [2020-09-24 15:43:28,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:43:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:28,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:43:28,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:43:28,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:43:28,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:28,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 15:43:28,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:28,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:43:28,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:43:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:43:28,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:28,652 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:43:28,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:28,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:28,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:28,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:28,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:28,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:43:28,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:28,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:28,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:28,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:28,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:28,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:28,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:28,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:43:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:28,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:28,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:28,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:28,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:28,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:28,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:28,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:28,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:28,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:28,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:28,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:43:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:28,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:28,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:28,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:28,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:28,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:28,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:28,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:28,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:28,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:28,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:43:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:28,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:28,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:28,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:28,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:28,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:28,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:28,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:28,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:28,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:28,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:28,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:43:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:28,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:28,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:28,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:28,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:28,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:28,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:28,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:28,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:28,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:28,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:28,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:28,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:28,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:43:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:28,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:28,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:28,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:28,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:28,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:28,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:28,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:28,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:28,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:43:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:28,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:28,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:28,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:28,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:28,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:28,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:28,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:28,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:28,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:43:28,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:28,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:43:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:28,765 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:28,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:28,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:28,766 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:28,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:28,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:28,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:28,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:28,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:28,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:43:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:28,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:28,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:28,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:28,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:28,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:28,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:28,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:28,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:28,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:28,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:43:28,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968046878] [2020-09-24 15:43:28,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:43:28,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:43:28,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289548830] [2020-09-24 15:43:28,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:43:28,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:28,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:43:28,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:43:28,813 INFO L87 Difference]: Start difference. First operand 222 states and 239 transitions. Second operand 6 states. [2020-09-24 15:43:29,524 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:43:31,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:43:31,472 INFO L93 Difference]: Finished difference Result 516 states and 611 transitions. [2020-09-24 15:43:31,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:43:31,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 15:43:31,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:43:31,478 INFO L225 Difference]: With dead ends: 516 [2020-09-24 15:43:31,478 INFO L226 Difference]: Without dead ends: 409 [2020-09-24 15:43:31,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:43:31,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-09-24 15:43:31,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 319. [2020-09-24 15:43:31,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-24 15:43:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 354 transitions. [2020-09-24 15:43:31,560 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 354 transitions. Word has length 162 [2020-09-24 15:43:31,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:43:31,561 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 354 transitions. [2020-09-24 15:43:31,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:43:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 354 transitions. [2020-09-24 15:43:31,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 15:43:31,564 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:43:31,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:43:31,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:43:31,565 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:43:31,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:43:31,565 INFO L82 PathProgramCache]: Analyzing trace with hash 773503065, now seen corresponding path program 1 times [2020-09-24 15:43:31,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:43:31,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227201409] [2020-09-24 15:43:31,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:43:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:31,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:31,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:31,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:31,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:31,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:43:31,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:43:31,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:43:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:43:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-24 15:43:31,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:32,104 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:43:32,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:32,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:32,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:32,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:32,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:32,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:43:32,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:32,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:32,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:43:32,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:32,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:43:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:32,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:32,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:32,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:32,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:32,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:32,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:32,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:43:32,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:32,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:43:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:32,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:32,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:32,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:32,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:32,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:32,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:32,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:32,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:32,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:43:32,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:32,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:43:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:32,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:32,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:32,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:32,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:32,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:32,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:32,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:32,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:32,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:32,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:32,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:43:32,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:32,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:43:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:32,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:32,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:32,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:32,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:32,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:32,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:32,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:32,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:32,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:32,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:32,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:43:32,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:32,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:43:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:32,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:32,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:32,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:32,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:32,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:32,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:32,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:32,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:43:32,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:32,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:43:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:32,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:32,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:32,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:32,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:32,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:32,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:32,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:32,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:43:32,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:32,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:43:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:32,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:32,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:32,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:32,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:32,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:32,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:32,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:43:32,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:32,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:43:32,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:43:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:32,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:43:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:32,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:32,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:32,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:32,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:32,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:32,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:32,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:32,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:32,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:43:32,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227201409] [2020-09-24 15:43:32,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:43:32,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:43:32,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909960101] [2020-09-24 15:43:32,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:43:32,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:32,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:43:32,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:43:32,422 INFO L87 Difference]: Start difference. First operand 319 states and 354 transitions. Second operand 10 states. [2020-09-24 15:43:33,070 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:34,585 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:34,971 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:43:35,383 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:35,710 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:36,066 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:36,473 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:43:36,820 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:43:37,317 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:38,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:43:38,456 INFO L93 Difference]: Finished difference Result 848 states and 1048 transitions. [2020-09-24 15:43:38,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:43:38,459 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 15:43:38,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:43:38,466 INFO L225 Difference]: With dead ends: 848 [2020-09-24 15:43:38,466 INFO L226 Difference]: Without dead ends: 644 [2020-09-24 15:43:38,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:43:38,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2020-09-24 15:43:38,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 490. [2020-09-24 15:43:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-09-24 15:43:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 555 transitions. [2020-09-24 15:43:38,599 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 555 transitions. Word has length 167 [2020-09-24 15:43:38,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:43:38,600 INFO L479 AbstractCegarLoop]: Abstraction has 490 states and 555 transitions. [2020-09-24 15:43:38,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:43:38,600 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 555 transitions. [2020-09-24 15:43:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 15:43:38,603 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:43:38,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:43:38,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:43:38,604 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:43:38,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:43:38,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1524893081, now seen corresponding path program 1 times [2020-09-24 15:43:38,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:43:38,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67475039] [2020-09-24 15:43:38,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:43:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:38,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:38,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:38,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:38,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:38,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 15:43:38,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:38,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:43:38,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:43:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:43:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-24 15:43:38,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:39,058 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:43:39,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:39,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:39,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:39,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:39,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:39,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:43:39,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:39,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:39,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:39,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:39,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:43:39,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:39,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:43:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:39,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:39,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:39,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:39,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:39,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:39,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:39,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:43:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:39,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:43:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:39,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:39,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:39,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:39,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:39,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:39,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:39,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:43:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:39,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:43:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:39,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:39,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:39,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:39,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:39,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:39,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:39,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:39,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:43:39,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:39,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:43:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:39,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:39,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:39,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:39,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:39,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:39,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:39,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:39,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:43:39,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:39,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:43:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:39,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:39,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:39,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:39,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:39,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:39,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:39,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:43:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:39,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:43:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:39,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:39,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:39,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:39,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:39,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:39,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:39,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:39,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:39,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:43:39,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:39,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:43:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:39,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:39,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:39,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:39,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:39,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:39,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:39,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:39,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:39,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:39,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:39,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:43:39,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:39,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:43:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:39,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:39,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:39,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:39,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:39,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:39,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:39,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:39,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:43:39,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:39,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:43:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:39,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:39,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:39,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:39,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:39,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:39,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:39,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:43:39,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:43:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:43:39,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:43:39,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67475039] [2020-09-24 15:43:39,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:43:39,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:43:39,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162362541] [2020-09-24 15:43:39,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:43:39,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:39,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:43:39,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:43:39,328 INFO L87 Difference]: Start difference. First operand 490 states and 555 transitions. Second operand 11 states. [2020-09-24 15:43:39,959 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:43:41,414 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:41,752 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:42,116 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:42,469 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:42,756 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:43,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:43:43,357 INFO L93 Difference]: Finished difference Result 942 states and 1161 transitions. [2020-09-24 15:43:43,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:43:43,357 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-24 15:43:43,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:43:43,358 INFO L225 Difference]: With dead ends: 942 [2020-09-24 15:43:43,358 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:43:43,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=204, Invalid=498, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:43:43,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:43:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:43:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:43:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:43:43,363 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-09-24 15:43:43,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:43:43,364 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:43:43,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:43:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:43:43,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:43:43,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:43:43,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:43:43,581 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:43,761 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:43,922 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:43:44,093 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:44,282 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:44,464 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:44,636 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:45,130 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 6 [2020-09-24 15:43:45,299 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:45,610 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-24 15:43:45,912 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-24 15:43:46,222 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-24 15:43:46,532 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-24 15:43:46,850 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-24 15:43:47,269 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-24 15:43:47,579 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-24 15:43:47,880 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-24 15:43:48,185 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-24 15:43:48,487 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-24 15:43:48,778 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-24 15:43:49,060 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 189 [2020-09-24 15:43:49,350 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-24 15:43:49,711 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-24 15:43:49,990 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 189 [2020-09-24 15:43:50,348 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-24 15:43:50,524 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:50,673 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:43:50,998 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 15:43:51,335 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-24 15:43:51,672 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-24 15:43:52,010 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-24 15:43:52,373 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-24 15:43:52,694 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 15:43:53,031 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-24 15:43:53,368 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-24 15:43:53,690 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 15:43:53,834 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:43:53,991 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:54,157 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:54,310 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:54,458 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:43:54,623 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:54,777 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:54,939 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:55,094 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:55,246 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:55,403 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:55,556 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:55,718 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:55,879 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:56,041 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:56,204 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:56,352 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:43:56,513 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:56,671 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:56,819 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:43:56,977 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:57,140 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:57,296 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:43:57,450 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:57,603 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:57,769 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:57,926 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:58,088 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:58,251 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:58,413 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:58,570 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:58,732 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:58,880 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:43:59,032 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:43:59,194 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:59,356 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:43:59,694 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 6 [2020-09-24 15:43:59,857 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:00,020 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:00,188 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:00,340 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:00,493 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:00,654 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:00,816 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:00,973 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:01,130 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:01,278 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:44:01,442 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:01,802 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 6 [2020-09-24 15:44:02,173 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 195 [2020-09-24 15:44:02,528 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 15:44:02,903 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 195 [2020-09-24 15:44:03,258 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 15:44:03,610 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 15:44:03,963 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 15:44:04,316 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 15:44:04,695 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 195 [2020-09-24 15:44:05,081 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 195 [2020-09-24 15:44:05,451 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 195 [2020-09-24 15:44:05,821 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 195 [2020-09-24 15:44:06,068 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-24 15:44:06,439 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 195 [2020-09-24 15:44:06,799 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 15:44:07,049 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-24 15:44:07,402 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 15:44:07,577 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:07,863 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 6 [2020-09-24 15:44:08,024 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:08,186 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:08,341 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:08,500 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:08,649 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:44:08,816 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:08,978 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:09,133 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:09,296 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:09,443 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:44:09,601 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:09,764 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:10,056 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 6 [2020-09-24 15:44:10,219 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:10,388 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:10,545 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:10,693 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:44:10,871 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:11,037 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 6 [2020-09-24 15:44:11,206 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:11,368 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:11,526 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:11,678 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:11,826 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:44:11,978 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:12,135 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:12,288 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:12,449 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:12,614 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:12,776 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:12,938 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:13,096 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:13,264 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:13,416 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:13,563 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:44:13,945 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 7 [2020-09-24 15:44:14,221 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2020-09-24 15:44:14,462 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2020-09-24 15:44:14,708 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2020-09-24 15:44:15,176 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 14 [2020-09-24 15:44:15,637 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 15 [2020-09-24 15:44:16,054 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-24 15:44:16,329 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:16,732 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-09-24 15:44:17,079 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 14 [2020-09-24 15:44:17,310 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-24 15:44:17,752 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 8 [2020-09-24 15:44:18,017 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2020-09-24 15:44:18,440 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-09-24 15:44:18,906 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 14 [2020-09-24 15:44:19,167 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2020-09-24 15:44:19,433 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2020-09-24 15:44:19,682 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2020-09-24 15:44:19,909 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-09-24 15:44:20,139 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2020-09-24 15:44:20,545 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 7 [2020-09-24 15:44:20,792 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2020-09-24 15:44:21,047 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1