/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 --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_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:05:00,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:05:00,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:05:00,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:05:00,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:05:00,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:05:00,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:05:00,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:05:00,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:05:00,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:05:00,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:05:00,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:05:00,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:05:00,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:05:00,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:05:00,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:05:00,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:05:00,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:05:00,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:05:00,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:05:00,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:05:00,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:05:00,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:05:00,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:05:00,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:05:00,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:05:00,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:05:00,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:05:00,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:05:00,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:05:00,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:05:00,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:05:00,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:05:00,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:05:00,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:05:00,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:05:00,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:05:00,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:05:00,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:05:00,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:05:00,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:05:00,859 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 [2020-09-21 11:05:00,907 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:05:00,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:05:00,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:05:00,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:05:00,911 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:05:00,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:05:00,911 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:05:00,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:05:00,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:05:00,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:05:00,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:05:00,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:05:00,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:05:00,914 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:05:00,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:05:00,915 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:05:00,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:05:00,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:05:00,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:05:00,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:05:00,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:05:00,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:05:00,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:05:00,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:05:00,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:05:00,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:05:00,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:05:00,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:05:00,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:05:00,917 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.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; [2020-09-21 11:05:01,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:05:01,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:05:01,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:05:01,456 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:05:01,457 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:05:01,458 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2020-09-21 11:05:01,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56675f92f/e1029bb620434105bb9c8df76c12835d/FLAG8c86e31d4 [2020-09-21 11:05:02,087 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:05:02,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2020-09-21 11:05:02,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56675f92f/e1029bb620434105bb9c8df76c12835d/FLAG8c86e31d4 [2020-09-21 11:05:02,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56675f92f/e1029bb620434105bb9c8df76c12835d [2020-09-21 11:05:02,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:05:02,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:05:02,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:02,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:05:02,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:05:02,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:02" (1/1) ... [2020-09-21 11:05:02,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:02, skipping insertion in model container [2020-09-21 11:05:02,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:02" (1/1) ... [2020-09-21 11:05:02,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:05:02,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:05:02,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:02,822 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:05:03,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:03,122 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:05:03,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:03 WrapperNode [2020-09-21 11:05:03,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:03,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:05:03,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:05:03,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:05:03,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:03" (1/1) ... [2020-09-21 11:05:03,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:03" (1/1) ... [2020-09-21 11:05:03,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:03" (1/1) ... [2020-09-21 11:05:03,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:03" (1/1) ... [2020-09-21 11:05:03,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:03" (1/1) ... [2020-09-21 11:05:03,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:03" (1/1) ... [2020-09-21 11:05:03,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:03" (1/1) ... [2020-09-21 11:05:03,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:05:03,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:05:03,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:05:03,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:05:03,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:03" (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 [2020-09-21 11:05:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:05:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:05:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:05:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:05:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:05:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:05:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:05:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:05:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:05:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:05:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:05:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:05:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:05:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:05:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:05:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:05:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:05:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:05:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:05:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:05:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:05:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:05:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:05:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:05:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:05:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:05:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:05:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:05:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:05:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:05:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:05:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:05:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:05:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:05:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:05:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:05:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:05:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:05:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:05:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:05:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:05:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:05:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:05:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:05:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:05:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:05:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:05:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:05:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:05:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:05:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:05:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:05:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:05:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:05:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:05:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:05:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:05:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:05:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:05:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:05:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:05:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:05:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:05:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:05:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:05:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:05:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:05:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:05:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:05:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:05:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:05:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:05:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:05:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:05:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:05:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:05:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:05:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:05:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:05:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:05:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:05:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:05:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:05:03,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:05:03,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:05:03,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:05:04,376 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:05:04,376 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:05:04,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:04 BoogieIcfgContainer [2020-09-21 11:05:04,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:05:04,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:05:04,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:05:04,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:05:04,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:05:02" (1/3) ... [2020-09-21 11:05:04,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409f7b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:04, skipping insertion in model container [2020-09-21 11:05:04,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:03" (2/3) ... [2020-09-21 11:05:04,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409f7b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:04, skipping insertion in model container [2020-09-21 11:05:04,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:04" (3/3) ... [2020-09-21 11:05:04,392 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2020-09-21 11:05:04,404 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:05:04,415 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:05:04,437 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:05:04,466 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:05:04,466 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:05:04,466 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:05:04,466 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:05:04,466 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:05:04,466 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:05:04,466 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:05:04,467 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:05:04,491 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-09-21 11:05:04,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:05:04,503 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:04,505 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] [2020-09-21 11:05:04,505 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:04,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:04,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1417441614, now seen corresponding path program 1 times [2020-09-21 11:05:04,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:04,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786258493] [2020-09-21 11:05:04,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:04,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:04,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:04,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:04,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:04,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:05:04,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:04,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:05:04,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:04,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:04,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:05:04,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:04,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:05,300 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:05,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:05,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:05,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:05,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:05,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:05,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:05,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:05,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:05,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:05,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:05,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:05,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:05,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:05,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:05,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:05,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:05,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:05,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:05,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:05,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:05,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:05,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:05,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:05,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:05,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:05,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:05,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:05,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:05,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:05,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:05,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:05,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:05,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:05,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:05,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:05,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:05,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:05,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:05,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:05,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:05,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:05,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:05,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:05,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:05,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:05,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:05,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:05,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:05,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:05,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:05,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:05,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:05,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:05,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:05,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:05,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:05,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:05:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:05,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:05,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:05,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:05,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:05,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:05,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:05,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:05,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:05,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:05,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:05:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:05,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:05,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:05,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:05,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:05,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:05,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:05,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:05,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:05,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:05,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:05,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:05,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:05,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786258493] [2020-09-21 11:05:05,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:05,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:05:05,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320449764] [2020-09-21 11:05:05,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:05:05,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:05,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:05:05,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:05:05,472 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 3 states. [2020-09-21 11:05:06,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:06,721 INFO L93 Difference]: Finished difference Result 312 states and 408 transitions. [2020-09-21 11:05:06,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:05:06,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:05:06,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:06,741 INFO L225 Difference]: With dead ends: 312 [2020-09-21 11:05:06,742 INFO L226 Difference]: Without dead ends: 169 [2020-09-21 11:05:06,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:05:06,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-09-21 11:05:06,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 134. [2020-09-21 11:05:06,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-09-21 11:05:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2020-09-21 11:05:06,853 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2020-09-21 11:05:06,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:06,854 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2020-09-21 11:05:06,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:05:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2020-09-21 11:05:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:05:06,859 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:06,860 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] [2020-09-21 11:05:06,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:05:06,860 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:06,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:06,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1689810546, now seen corresponding path program 1 times [2020-09-21 11:05:06,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:06,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249983440] [2020-09-21 11:05:06,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:06,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:06,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:06,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:06,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:06,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:05:06,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:05:06,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:05:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:05:06,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:07,281 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:07,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:07,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:07,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:07,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:07,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:07,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:07,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:07,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:07,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:07,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:07,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:07,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:07,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:07,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:07,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:07,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:07,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:07,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:07,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:07,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:07,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:07,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:07,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:07,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:07,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:07,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:07,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:07,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:07,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:07,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:07,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:07,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:07,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:07,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:07,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:07,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:07,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:07,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:07,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:07,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:07,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:07,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:07,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:07,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:07,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:07,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:07,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:05:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:07,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:07,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:07,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:07,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:07,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:07,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:07,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:07,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:07,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:07,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:05:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:07,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:07,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:07,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:07,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:07,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:07,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:07,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:07,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:07,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249983440] [2020-09-21 11:05:07,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:07,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:07,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211469414] [2020-09-21 11:05:07,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:07,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:07,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:07,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:07,374 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 4 states. [2020-09-21 11:05:07,859 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:08,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:08,821 INFO L93 Difference]: Finished difference Result 241 states and 295 transitions. [2020-09-21 11:05:08,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:05:08,822 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:05:08,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:08,826 INFO L225 Difference]: With dead ends: 241 [2020-09-21 11:05:08,826 INFO L226 Difference]: Without dead ends: 153 [2020-09-21 11:05:08,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:08,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-09-21 11:05:08,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 125. [2020-09-21 11:05:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-21 11:05:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2020-09-21 11:05:08,871 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2020-09-21 11:05:08,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:08,871 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2020-09-21 11:05:08,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:08,871 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2020-09-21 11:05:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:05:08,874 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:08,874 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] [2020-09-21 11:05:08,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:05:08,874 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:08,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:08,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1011180464, now seen corresponding path program 1 times [2020-09-21 11:05:08,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:08,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012441319] [2020-09-21 11:05:08,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:09,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:09,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:09,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:09,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:09,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:05:09,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:09,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-09-21 11:05:09,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:05:09,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:09,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:05:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:09,649 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:09,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:09,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:09,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:09,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:09,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:09,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:09,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:09,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:05:09,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:09,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:09,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:09,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:09,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:09,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:09,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:09,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:09,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:09,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:09,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:09,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:09,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:09,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:09,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:09,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:09,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:09,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:09,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:09,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:09,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:09,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:09,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:09,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:09,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:09,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:09,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:09,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:09,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:09,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:09,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:09,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:09,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:09,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:09,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:09,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:09,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:09,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:09,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:09,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:09,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:09,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:09,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:09,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:09,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:05:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:09,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:09,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:09,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:09,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:09,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:09,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:09,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:09,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:09,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:09,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:09,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:05:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:09,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:09,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:09,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:09,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:09,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:09,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:09,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:09,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:09,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:09,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:09,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:09,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:09,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012441319] [2020-09-21 11:05:09,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:09,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:09,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025132974] [2020-09-21 11:05:09,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:09,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:09,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:09,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:09,819 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 4 states. [2020-09-21 11:05:10,189 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:11,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:11,189 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2020-09-21 11:05:11,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:05:11,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:05:11,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:11,193 INFO L225 Difference]: With dead ends: 254 [2020-09-21 11:05:11,193 INFO L226 Difference]: Without dead ends: 153 [2020-09-21 11:05:11,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:11,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-09-21 11:05:11,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 125. [2020-09-21 11:05:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-21 11:05:11,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2020-09-21 11:05:11,227 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 52 [2020-09-21 11:05:11,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:11,227 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2020-09-21 11:05:11,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:11,228 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2020-09-21 11:05:11,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:05:11,230 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:11,230 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] [2020-09-21 11:05:11,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:05:11,231 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:11,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:11,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1017334303, now seen corresponding path program 1 times [2020-09-21 11:05:11,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:11,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911599393] [2020-09-21 11:05:11,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:11,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:11,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:11,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:11,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:11,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:05:11,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:11,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-09-21 11:05:11,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:05:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-21 11:05:11,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:11,917 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:11,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:11,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:11,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:11,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:11,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:11,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:11,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:11,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:05:11,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:11,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:11,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:11,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:11,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:12,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:12,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:12,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:12,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:12,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:12,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:12,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:12,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:12,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:12,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:12,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:12,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:12,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:12,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:12,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:12,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:12,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:12,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:12,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:05:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:05:12,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:12,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:12,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:05:12,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:12,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:12,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:05:12,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:12,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:05:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:05:12,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:12,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:12,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:12,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:12,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:12,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:05:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:12,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:12,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:12,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:12,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:05:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:12,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:12,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:12,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:12,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911599393] [2020-09-21 11:05:12,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:12,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:05:12,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529555880] [2020-09-21 11:05:12,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:05:12,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:12,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:05:12,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:05:12,213 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 7 states. [2020-09-21 11:05:12,826 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:14,225 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:05:15,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:15,144 INFO L93 Difference]: Finished difference Result 356 states and 440 transitions. [2020-09-21 11:05:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:05:15,144 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2020-09-21 11:05:15,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:15,152 INFO L225 Difference]: With dead ends: 356 [2020-09-21 11:05:15,152 INFO L226 Difference]: Without dead ends: 255 [2020-09-21 11:05:15,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:05:15,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-09-21 11:05:15,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 212. [2020-09-21 11:05:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-21 11:05:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 241 transitions. [2020-09-21 11:05:15,251 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 241 transitions. Word has length 65 [2020-09-21 11:05:15,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:15,252 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 241 transitions. [2020-09-21 11:05:15,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:05:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 241 transitions. [2020-09-21 11:05:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-21 11:05:15,260 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:15,261 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] [2020-09-21 11:05:15,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:05:15,261 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:15,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:15,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1244154125, now seen corresponding path program 1 times [2020-09-21 11:05:15,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:15,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1956348625] [2020-09-21 11:05:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:15,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:15,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:15,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:15,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:15,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:05:15,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:15,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-09-21 11:05:15,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:15,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:05:15,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:15,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-21 11:05:15,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:16,052 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:16,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:16,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:05:16,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:16,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:16,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:16,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:16,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:16,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:16,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:16,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:16,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:16,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:16,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:16,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:16,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:16,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:16,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:05:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:05:16,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:16,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:05:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:05:16,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:16,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:16,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:16,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:16,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:16,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:16,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:16,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:16,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:16,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:16,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:16,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:16,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:16,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:16,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:16,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:16,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 11:05:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:16,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:16,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:16,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:16,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:16,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:16,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 11:05:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:16,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:16,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:16,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:16,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:16,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:16,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:16,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:16,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:16,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:16,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:16,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:16,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:16,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1956348625] [2020-09-21 11:05:16,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:16,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:05:16,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881592170] [2020-09-21 11:05:16,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:05:16,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:16,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:05:16,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:05:16,313 INFO L87 Difference]: Start difference. First operand 212 states and 241 transitions. Second operand 8 states. [2020-09-21 11:05:16,804 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:18,032 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:18,413 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:19,051 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:19,372 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:19,707 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:20,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:20,823 INFO L93 Difference]: Finished difference Result 634 states and 779 transitions. [2020-09-21 11:05:20,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:05:20,823 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-09-21 11:05:20,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:20,828 INFO L225 Difference]: With dead ends: 634 [2020-09-21 11:05:20,828 INFO L226 Difference]: Without dead ends: 446 [2020-09-21 11:05:20,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:05:20,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-09-21 11:05:20,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 379. [2020-09-21 11:05:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-09-21 11:05:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 432 transitions. [2020-09-21 11:05:20,918 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 432 transitions. Word has length 79 [2020-09-21 11:05:20,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:20,919 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 432 transitions. [2020-09-21 11:05:20,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:05:20,919 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 432 transitions. [2020-09-21 11:05:20,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:05:20,920 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:20,921 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] [2020-09-21 11:05:20,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:05:20,921 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:20,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1996569391, now seen corresponding path program 1 times [2020-09-21 11:05:20,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:20,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [864869617] [2020-09-21 11:05:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:05:21,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 553 [2020-09-21 11:05:21,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:05:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:21,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-21 11:05:21,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,866 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:21,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:21,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:05:21,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:21,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:21,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:21,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:21,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:21,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:21,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:21,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:21,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:21,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:21,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:21,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:21,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:22,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:22,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:22,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:22,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:22,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:22,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:22,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:22,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:22,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:22,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:22,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:22,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:22,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:22,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:05:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:22,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:22,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:22,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:22,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:22,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:22,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:22,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:22,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:22,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:22,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:22,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:22,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:05:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:22,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:22,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:22,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:22,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:22,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:05:22,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:22,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:22,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:22,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:22,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:22,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:05:22,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:22,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:22,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:22,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:22,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:22,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:22,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:05:22,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:22,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:22,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:05:22,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:22,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:22,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:22,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:22,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:22,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:22,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:22,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:22,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:22,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:22,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:05:22,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:22,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:22,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:22,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:22,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:22,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:22,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:22,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:22,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:22,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:22,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:22,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:22,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:22,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:22,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:22,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:22,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:22,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:22,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:22,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:22,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:22,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:05:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:22,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:22,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:22,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:22,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:22,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:22,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:22,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:22,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:22,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:22,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 11:05:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:22,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:22,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:22,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:22,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:22,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:22,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:22,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:22,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:22,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:22,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [864869617] [2020-09-21 11:05:22,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:22,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:05:22,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232994553] [2020-09-21 11:05:22,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:05:22,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:22,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:05:22,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:05:22,135 INFO L87 Difference]: Start difference. First operand 379 states and 432 transitions. Second operand 9 states. [2020-09-21 11:05:22,591 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:23,973 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:24,321 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:25,569 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:05:25,891 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:26,192 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:26,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:26,601 INFO L93 Difference]: Finished difference Result 488 states and 612 transitions. [2020-09-21 11:05:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:05:26,601 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-09-21 11:05:26,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:26,605 INFO L225 Difference]: With dead ends: 488 [2020-09-21 11:05:26,605 INFO L226 Difference]: Without dead ends: 485 [2020-09-21 11:05:26,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:05:26,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-09-21 11:05:26,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 379. [2020-09-21 11:05:26,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-09-21 11:05:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 431 transitions. [2020-09-21 11:05:26,684 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 431 transitions. Word has length 83 [2020-09-21 11:05:26,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:26,685 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 431 transitions. [2020-09-21 11:05:26,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:05:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 431 transitions. [2020-09-21 11:05:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:05:26,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:26,687 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:26,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:05:26,688 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:26,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:26,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1098775200, now seen corresponding path program 1 times [2020-09-21 11:05:26,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:26,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636809564] [2020-09-21 11:05:26,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:26,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:26,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:26,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:26,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:26,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:05:26,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:26,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:05:26,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:05:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-21 11:05:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:26,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:26,990 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:26,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:26,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:26,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:26,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:26,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:26,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:26,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:27,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:27,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:27,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:27,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:27,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:27,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:27,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:27,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:05:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:27,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:05:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:27,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:05:27,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:05:27,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:05:27,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:27,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:27,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:27,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:05:27,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:05:27,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:05:27,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:27,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:27,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:27,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:27,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:05:27,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:27,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:27,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:05:27,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:27,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:05:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 11:05:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:27,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:05:27,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636809564] [2020-09-21 11:05:27,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:27,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:05:27,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215293275] [2020-09-21 11:05:27,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:05:27,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:27,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:05:27,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:05:27,230 INFO L87 Difference]: Start difference. First operand 379 states and 431 transitions. Second operand 9 states. [2020-09-21 11:05:28,228 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:28,518 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:05:28,850 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:29,144 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:30,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:30,417 INFO L93 Difference]: Finished difference Result 848 states and 1052 transitions. [2020-09-21 11:05:30,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:05:30,418 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2020-09-21 11:05:30,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:30,422 INFO L225 Difference]: With dead ends: 848 [2020-09-21 11:05:30,422 INFO L226 Difference]: Without dead ends: 493 [2020-09-21 11:05:30,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:05:30,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-09-21 11:05:30,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 389. [2020-09-21 11:05:30,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-21 11:05:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2020-09-21 11:05:30,490 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 99 [2020-09-21 11:05:30,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:30,490 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2020-09-21 11:05:30,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:05:30,491 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2020-09-21 11:05:30,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:05:30,493 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:30,493 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:30,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:05:30,493 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:30,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:30,494 INFO L82 PathProgramCache]: Analyzing trace with hash -205288862, now seen corresponding path program 1 times [2020-09-21 11:05:30,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:30,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912102077] [2020-09-21 11:05:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:30,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -55 [2020-09-21 11:05:30,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 55 [2020-09-21 11:05:30,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:05:30,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:05:30,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:30,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:05:30,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:30,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:30,841 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:30,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:30,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:30,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:30,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:30,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:30,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:30,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:30,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:30,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:30,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:30,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:30,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:30,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:30,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:30,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:30,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:30,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:30,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:30,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:30,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:30,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:30,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:30,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:30,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:30,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:30,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:30,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:30,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:30,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:30,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:30,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:30,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:30,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:30,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:30,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:30,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:30,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:30,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:30,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:30,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:05:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:30,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:30,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:30,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:30,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:30,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:30,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:30,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:30,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:05:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:30,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:30,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:30,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:30,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:05:30,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:05:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:30,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:30,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:30,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:30,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:30,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:30,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:30,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:30,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:05:30,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:30,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:30,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:30,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:30,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:30,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:30,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:30,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:30,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:05:30,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:30,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:30,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:30,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:30,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:30,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:30,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:30,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:30,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:30,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:30,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:30,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:05:30,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:30,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:30,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:31,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:31,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:31,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:31,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:31,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:31,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:31,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:31,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:31,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:05:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:31,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:31,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:31,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:31,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:31,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:31,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:31,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:31,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:31,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:31,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:31,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:31,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:31,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:31,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:31,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:31,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:31,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:31,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:31,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:31,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:31,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:31,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:31,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:31,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:31,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:31,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:31,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:31,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:31,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:31,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:31,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:31,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:31,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:31,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:31,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:31,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:05:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:31,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:31,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:31,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:31,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:31,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:31,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:31,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:31,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:31,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:31,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 11:05:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:31,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:31,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:31,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:31,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:31,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:31,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:31,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:31,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:31,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:31,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:05:31,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912102077] [2020-09-21 11:05:31,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:31,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:05:31,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520397139] [2020-09-21 11:05:31,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:05:31,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:31,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:05:31,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:05:31,094 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 8 states. [2020-09-21 11:05:32,038 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:32,332 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:32,623 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:33,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:33,684 INFO L93 Difference]: Finished difference Result 862 states and 1068 transitions. [2020-09-21 11:05:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:05:33,688 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2020-09-21 11:05:33,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:33,693 INFO L225 Difference]: With dead ends: 862 [2020-09-21 11:05:33,693 INFO L226 Difference]: Without dead ends: 497 [2020-09-21 11:05:33,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:05:33,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-09-21 11:05:33,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 397. [2020-09-21 11:05:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-21 11:05:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 449 transitions. [2020-09-21 11:05:33,822 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 449 transitions. Word has length 99 [2020-09-21 11:05:33,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:33,823 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 449 transitions. [2020-09-21 11:05:33,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:05:33,824 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 449 transitions. [2020-09-21 11:05:33,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:05:33,828 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:33,828 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:33,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:05:33,829 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:33,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:33,829 INFO L82 PathProgramCache]: Analyzing trace with hash -213048221, now seen corresponding path program 1 times [2020-09-21 11:05:33,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:33,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049731847] [2020-09-21 11:05:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:05:34,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-21 11:05:34,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:05:34,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:05:34,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,423 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:34,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:34,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:05:34,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:34,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:34,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:34,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:34,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:34,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:34,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:34,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:34,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:34,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:34,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:34,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:34,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:05:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:34,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:34,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:34,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:34,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:05:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:34,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:34,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:05:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:05:34,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:34,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:34,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:05:34,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:34,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:05:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:34,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:34,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:05:34,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:34,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:34,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:34,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:34,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:05:34,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:34,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:34,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:34,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:34,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:34,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:34,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:34,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:34,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:34,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:34,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:34,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:05:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:34,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:34,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:34,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:34,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 11:05:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:34,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:34,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:34,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:34,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:34,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:34,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:34,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:34,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:05:34,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049731847] [2020-09-21 11:05:34,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:34,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:05:34,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742605645] [2020-09-21 11:05:34,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:05:34,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:34,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:05:34,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:05:34,756 INFO L87 Difference]: Start difference. First operand 397 states and 449 transitions. Second operand 7 states. [2020-09-21 11:05:35,183 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:35,780 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:38,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:38,296 INFO L93 Difference]: Finished difference Result 1210 states and 1548 transitions. [2020-09-21 11:05:38,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:05:38,296 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 99 [2020-09-21 11:05:38,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:38,304 INFO L225 Difference]: With dead ends: 1210 [2020-09-21 11:05:38,305 INFO L226 Difference]: Without dead ends: 837 [2020-09-21 11:05:38,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:05:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2020-09-21 11:05:38,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 717. [2020-09-21 11:05:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-09-21 11:05:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 843 transitions. [2020-09-21 11:05:38,445 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 843 transitions. Word has length 99 [2020-09-21 11:05:38,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:38,445 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 843 transitions. [2020-09-21 11:05:38,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:05:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 843 transitions. [2020-09-21 11:05:38,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:05:38,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:38,448 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:38,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:05:38,448 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:38,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:38,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1140072279, now seen corresponding path program 1 times [2020-09-21 11:05:38,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:38,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721291034] [2020-09-21 11:05:38,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:38,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:38,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -32 [2020-09-21 11:05:38,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 32 [2020-09-21 11:05:38,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:38,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 11:05:38,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:38,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:05:38,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-21 11:05:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:05:38,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:38,813 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:38,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:38,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:38,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:38,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:38,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:38,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:38,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:38,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:38,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:38,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:38,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:38,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:38,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:38,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:38,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:38,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:38,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:38,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:38,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:38,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:38,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:38,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:38,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:38,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:38,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:38,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:38,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:38,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:38,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:38,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:38,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:38,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:38,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:38,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:38,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:38,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:38,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:38,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:38,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:38,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:38,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:38,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:38,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:38,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:38,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:38,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:38,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:05:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:38,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:38,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:38,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:38,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:38,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:38,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:38,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:38,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:38,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:38,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:38,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:38,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:05:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:38,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:38,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:38,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:38,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:38,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:38,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:38,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:38,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:38,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:05:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:38,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:38,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:38,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:38,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:38,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:38,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:05:38,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:05:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:05:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:38,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:38,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:38,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:38,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:38,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:38,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:38,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:05:38,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:05:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:39,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:39,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:39,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:39,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:39,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:39,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:39,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:39,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:39,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:39,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:39,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:39,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:39,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:39,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:39,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:39,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:39,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:39,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:39,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:39,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:39,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:39,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:39,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:39,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:39,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:39,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:39,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:39,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:39,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:39,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:05:39,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:39,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:39,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:05:39,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:39,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:39,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:39,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:39,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:39,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:39,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:39,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:05:39,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:05:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:05:39,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:39,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:39,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:39,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:39,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:39,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:39,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:39,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:39,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:39,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:05:39,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:39,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:39,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:39,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:39,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:39,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:39,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:39,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:39,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:39,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:39,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:39,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:39,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:39,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:39,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:05:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:39,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:39,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:39,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:39,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:39,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:39,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:39,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:39,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:39,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:39,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:05:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:39,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:39,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:39,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:39,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:39,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:39,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:39,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:39,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:39,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:39,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:05:39,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721291034] [2020-09-21 11:05:39,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:05:39,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:05:39,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094510689] [2020-09-21 11:05:39,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:05:39,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:39,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:05:39,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:05:39,215 INFO L87 Difference]: Start difference. First operand 717 states and 843 transitions. Second operand 13 states. [2020-09-21 11:05:39,760 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:40,566 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:41,566 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:41,948 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:05:42,311 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:43,007 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:05:43,588 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:05:44,266 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:05:44,962 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:05:47,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:47,258 INFO L93 Difference]: Finished difference Result 1499 states and 1843 transitions. [2020-09-21 11:05:47,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-21 11:05:47,259 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 103 [2020-09-21 11:05:47,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:47,264 INFO L225 Difference]: With dead ends: 1499 [2020-09-21 11:05:47,265 INFO L226 Difference]: Without dead ends: 806 [2020-09-21 11:05:47,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=284, Invalid=976, Unknown=0, NotChecked=0, Total=1260 [2020-09-21 11:05:47,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-09-21 11:05:47,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 689. [2020-09-21 11:05:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-09-21 11:05:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 797 transitions. [2020-09-21 11:05:47,396 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 797 transitions. Word has length 103 [2020-09-21 11:05:47,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:47,396 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 797 transitions. [2020-09-21 11:05:47,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:05:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 797 transitions. [2020-09-21 11:05:47,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-21 11:05:47,399 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:47,400 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:47,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:05:47,400 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:47,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:47,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1934361844, now seen corresponding path program 1 times [2020-09-21 11:05:47,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:47,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39439494] [2020-09-21 11:05:47,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:47,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -121 [2020-09-21 11:05:47,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 121 [2020-09-21 11:05:47,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 11:05:47,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:05:47,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-09-21 11:05:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:05:47,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,775 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:47,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:47,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:47,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:47,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:47,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:47,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:47,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:47,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:05:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:47,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:05:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:05:47,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:47,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:47,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:47,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:05:47,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:47,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:47,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:47,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:47,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:05:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:05:47,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-21 11:05:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:47,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:47,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-21 11:05:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:47,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:47,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-21 11:05:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:05:48,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:05:48,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:48,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:05:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:05:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:48,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:05:48,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:05:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:05:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:48,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:48,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:05:48,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:48,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:48,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:05:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:05:48,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:05:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:48,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:48,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:48,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-21 11:05:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-21 11:05:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:48,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-21 11:05:48,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39439494] [2020-09-21 11:05:48,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:05:48,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:05:48,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466574149] [2020-09-21 11:05:48,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:05:48,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:48,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:05:48,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:05:48,218 INFO L87 Difference]: Start difference. First operand 689 states and 797 transitions. Second operand 14 states. [2020-09-21 11:05:48,919 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:49,813 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:50,945 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:51,329 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:51,662 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:52,002 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:52,393 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:52,725 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:54,002 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:54,314 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:54,679 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:54,987 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:56,023 INFO L93 Difference]: Finished difference Result 1286 states and 1577 transitions. [2020-09-21 11:05:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-21 11:05:56,023 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2020-09-21 11:05:56,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:56,025 INFO L225 Difference]: With dead ends: 1286 [2020-09-21 11:05:56,025 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:05:56,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=317, Invalid=1243, Unknown=0, NotChecked=0, Total=1560 [2020-09-21 11:05:56,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:05:56,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:05:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:05:56,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:05:56,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-09-21 11:05:56,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:56,031 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:05:56,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:05:56,031 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:05:56,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:05:56,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:05:56,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:05:56,260 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:05:56,447 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:05:56,633 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:05:56,809 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:05:56,980 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:05:57,178 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:05:57,354 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:05:57,516 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:05:57,681 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:05:57,841 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192