/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:44:45,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:44:45,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:44:45,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:44:45,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:44:45,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:44:45,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:44:45,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:44:45,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:44:45,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:44:45,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:44:45,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:44:45,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:44:45,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:44:45,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:44:45,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:44:45,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:44:45,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:44:45,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:44:45,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:44:45,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:44:45,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:44:45,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:44:45,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:44:45,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:44:45,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:44:45,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:44:45,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:44:45,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:44:45,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:44:45,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:44:45,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:44:45,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:44:45,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:44:45,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:44:45,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:44:45,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:44:45,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:44:45,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:44:45,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:44:45,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:44:45,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:44:45,808 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:44:45,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:44:45,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:44:45,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:44:45,811 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:44:45,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:44:45,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:44:45,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:44:45,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:44:45,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:44:45,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:44:45,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:44:45,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:44:45,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:44:45,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:44:45,813 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:44:45,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:44:45,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:44:45,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:44:45,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:44:45,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:44:45,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:44:45,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:44:45,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:44:45,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:44:45,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:44:45,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:44:45,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:44:45,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:44:45,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:44:46,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:44:46,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:44:46,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:44:46,297 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:44:46,298 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:44:46,299 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-09-24 15:44:46,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/738753f8f/12cf5b0161654b878007c8c05eb11211/FLAGd09f82ad6 [2020-09-24 15:44:46,951 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:44:46,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-09-24 15:44:46,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/738753f8f/12cf5b0161654b878007c8c05eb11211/FLAGd09f82ad6 [2020-09-24 15:44:47,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/738753f8f/12cf5b0161654b878007c8c05eb11211 [2020-09-24 15:44:47,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:44:47,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:44:47,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:44:47,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:44:47,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:44:47,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:44:47" (1/1) ... [2020-09-24 15:44:47,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:47, skipping insertion in model container [2020-09-24 15:44:47,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:44:47" (1/1) ... [2020-09-24 15:44:47,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:44:47,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:44:47,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:44:47,934 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:44:48,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:44:48,060 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:44:48,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:48 WrapperNode [2020-09-24 15:44:48,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:44:48,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:44:48,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:44:48,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:44:48,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:48" (1/1) ... [2020-09-24 15:44:48,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:48" (1/1) ... [2020-09-24 15:44:48,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:48" (1/1) ... [2020-09-24 15:44:48,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:48" (1/1) ... [2020-09-24 15:44:48,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:48" (1/1) ... [2020-09-24 15:44:48,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:48" (1/1) ... [2020-09-24 15:44:48,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:48" (1/1) ... [2020-09-24 15:44:48,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:44:48,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:44:48,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:44:48,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:44:48,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:44:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:44:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:44:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:44:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:44:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:44:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:44:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:44:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:44:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:44:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:44:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:44:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:44:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:44:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:44:48,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:44:48,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:44:48,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:44:48,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:44:48,238 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:44:48,239 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:44:48,241 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:44:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:44:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:44:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:44:48,243 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:44:48,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:44:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:44:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:44:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:44:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:44:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:44:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:44:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:44:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:44:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:44:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:44:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:44:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:44:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:44:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:44:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:44:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:44:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:44:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:44:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:44:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:44:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:44:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:44:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:44:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:44:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:44:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:44:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:44:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:44:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:44:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:44:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:44:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:44:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:44:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:44:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:44:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:44:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:44:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:44:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:44:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:44:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:44:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:44:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:44:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:44:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:44:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:44:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:44:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:44:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:44:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:44:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:44:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:44:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:44:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:44:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:44:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:44:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:44:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:44:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:44:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:44:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:44:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:44:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:44:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:44:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:44:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:44:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:44:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:44:49,488 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:44:49,488 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:44:49,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:44:49 BoogieIcfgContainer [2020-09-24 15:44:49,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:44:49,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:44:49,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:44:49,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:44:49,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:44:47" (1/3) ... [2020-09-24 15:44:49,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43735133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:44:49, skipping insertion in model container [2020-09-24 15:44:49,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:48" (2/3) ... [2020-09-24 15:44:49,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43735133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:44:49, skipping insertion in model container [2020-09-24 15:44:49,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:44:49" (3/3) ... [2020-09-24 15:44:49,505 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-09-24 15:44:49,518 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:44:49,531 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:44:49,555 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:44:49,592 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:44:49,592 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:44:49,592 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:44:49,593 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:44:49,593 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:44:49,593 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:44:49,594 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:44:49,594 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:44:49,623 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states. [2020-09-24 15:44:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:44:49,641 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:49,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:44:49,643 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:49,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:49,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1902377435, now seen corresponding path program 1 times [2020-09-24 15:44:49,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:49,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608912652] [2020-09-24 15:44:49,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:44:50,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:44:50,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:44:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,591 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:50,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:50,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:50,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:50,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:50,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:50,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:50,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:50,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:50,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:50,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:50,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:50,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:44:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:50,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:50,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:50,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:44:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:50,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:50,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608912652] [2020-09-24 15:44:50,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:50,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:44:50,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803987633] [2020-09-24 15:44:50,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:44:50,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:50,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:44:50,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:44:50,818 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 4 states. [2020-09-24 15:44:52,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:44:52,244 INFO L93 Difference]: Finished difference Result 495 states and 590 transitions. [2020-09-24 15:44:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:44:52,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:44:52,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:44:52,269 INFO L225 Difference]: With dead ends: 495 [2020-09-24 15:44:52,269 INFO L226 Difference]: Without dead ends: 315 [2020-09-24 15:44:52,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:44:52,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-09-24 15:44:52,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 265. [2020-09-24 15:44:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-09-24 15:44:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 290 transitions. [2020-09-24 15:44:52,384 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 290 transitions. Word has length 148 [2020-09-24 15:44:52,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:44:52,385 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 290 transitions. [2020-09-24 15:44:52,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:44:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 290 transitions. [2020-09-24 15:44:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:44:52,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:52,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:44:52,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:44:52,391 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:52,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:52,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1928979698, now seen corresponding path program 1 times [2020-09-24 15:44:52,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:52,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241628816] [2020-09-24 15:44:52,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:52,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:52,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:52,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:52,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:52,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:44:52,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:52,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:44:52,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:44:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:44:52,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:52,857 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:52,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:52,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:52,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:52,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:52,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:52,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:52,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:52,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:52,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:52,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:52,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:52,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:52,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:52,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:52,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:52,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:52,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:52,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:52,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:52,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:52,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:52,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:52,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:52,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:52,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:52,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:52,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:52,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:52,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:52,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:52,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:52,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:52,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:52,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:52,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:52,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:52,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:52,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:52,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:52,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:52,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:52,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:52,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:52,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:52,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:52,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:52,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:52,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:52,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:52,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:52,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:52,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:52,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:52,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:52,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:52,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:52,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:52,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:52,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:52,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:52,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:52,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:52,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:44:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:52,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:52,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:52,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:52,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:52,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:52,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:52,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:52,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:44:52,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:44:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:52,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:52,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:52,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:52,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:52,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:52,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:52,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:52,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:52,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:52,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:52,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:52,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:53,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241628816] [2020-09-24 15:44:53,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:53,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:44:53,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938550701] [2020-09-24 15:44:53,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:44:53,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:53,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:44:53,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:44:53,015 INFO L87 Difference]: Start difference. First operand 265 states and 290 transitions. Second operand 5 states. [2020-09-24 15:44:53,735 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:44:54,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:44:54,846 INFO L93 Difference]: Finished difference Result 418 states and 477 transitions. [2020-09-24 15:44:54,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:44:54,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:44:54,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:44:54,853 INFO L225 Difference]: With dead ends: 418 [2020-09-24 15:44:54,854 INFO L226 Difference]: Without dead ends: 304 [2020-09-24 15:44:54,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:44:54,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-24 15:44:54,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 255. [2020-09-24 15:44:54,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-09-24 15:44:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 277 transitions. [2020-09-24 15:44:54,898 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 277 transitions. Word has length 149 [2020-09-24 15:44:54,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:44:54,899 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 277 transitions. [2020-09-24 15:44:54,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:44:54,899 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 277 transitions. [2020-09-24 15:44:54,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-24 15:44:54,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:54,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:44:54,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:44:54,903 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:54,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:54,903 INFO L82 PathProgramCache]: Analyzing trace with hash -748125120, now seen corresponding path program 1 times [2020-09-24 15:44:54,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:54,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [996001236] [2020-09-24 15:44:54,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:54,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:44:54,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:54,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:54,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:54,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-24 15:44:54,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:54,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:44:54,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:44:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:44:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:44:54,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:55,340 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:55,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:55,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:55,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:55,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:55,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:55,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:55,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:55,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:55,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:44:55,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:55,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:55,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:55,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:55,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:55,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:55,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:55,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:55,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:55,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:55,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:55,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:55,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:55,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:55,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:55,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:55,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:55,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:55,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:55,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:55,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:55,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:55,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:55,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:55,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:55,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:55,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:55,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:55,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:55,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:55,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:55,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:44:55,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:55,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:55,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:55,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:55,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:55,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:55,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:55,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:55,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:55,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:55,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:55,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:55,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:55,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:55,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:55,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:55,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:55,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:55,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:55,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:55,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:55,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:55,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:44:55,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:55,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:44:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:55,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:55,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:55,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:55,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:55,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:55,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:55,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:55,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:55,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:55,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:55,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:55,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:55,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 15:44:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:55,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:55,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:55,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:55,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:55,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:55,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:55,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:55,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:55,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:55,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:55,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:55,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:55,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [996001236] [2020-09-24 15:44:55,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:55,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:44:55,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141146320] [2020-09-24 15:44:55,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:44:55,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:55,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:44:55,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:44:55,602 INFO L87 Difference]: Start difference. First operand 255 states and 277 transitions. Second operand 5 states. [2020-09-24 15:44:56,333 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:44:58,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:44:58,313 INFO L93 Difference]: Finished difference Result 595 states and 691 transitions. [2020-09-24 15:44:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:44:58,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-09-24 15:44:58,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:44:58,320 INFO L225 Difference]: With dead ends: 595 [2020-09-24 15:44:58,320 INFO L226 Difference]: Without dead ends: 455 [2020-09-24 15:44:58,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:44:58,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2020-09-24 15:44:58,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 389. [2020-09-24 15:44:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-24 15:44:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 434 transitions. [2020-09-24 15:44:58,392 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 434 transitions. Word has length 158 [2020-09-24 15:44:58,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:44:58,393 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 434 transitions. [2020-09-24 15:44:58,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:44:58,393 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 434 transitions. [2020-09-24 15:44:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 15:44:58,396 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:58,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:44:58,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:44:58,397 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:58,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1390634992, now seen corresponding path program 1 times [2020-09-24 15:44:58,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:58,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1946367636] [2020-09-24 15:44:58,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:44:58,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:44:58,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:44:58,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:44:58,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:44:58,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:58,960 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:58,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:59,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:59,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:44:59,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:59,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:59,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:59,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:59,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:59,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:59,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:59,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:59,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:59,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:59,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:44:59,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:59,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:59,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:59,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:59,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:59,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:44:59,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:44:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:44:59,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:59,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:44:59,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:59,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:44:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:59,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:44:59,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:44:59,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:44:59,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:44:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:59,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:59,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:59,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:59,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1946367636] [2020-09-24 15:44:59,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:59,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:44:59,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087829213] [2020-09-24 15:44:59,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:44:59,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:59,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:44:59,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:44:59,230 INFO L87 Difference]: Start difference. First operand 389 states and 434 transitions. Second operand 10 states. [2020-09-24 15:44:59,733 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:01,004 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:01,410 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:01,914 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:02,325 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:02,879 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:03,283 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:03,624 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:04,288 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:05,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:05,576 INFO L93 Difference]: Finished difference Result 1059 states and 1283 transitions. [2020-09-24 15:45:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:05,576 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 15:45:05,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:05,584 INFO L225 Difference]: With dead ends: 1059 [2020-09-24 15:45:05,584 INFO L226 Difference]: Without dead ends: 785 [2020-09-24 15:45:05,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:45:05,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2020-09-24 15:45:05,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 630. [2020-09-24 15:45:05,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-09-24 15:45:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 715 transitions. [2020-09-24 15:45:05,700 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 715 transitions. Word has length 167 [2020-09-24 15:45:05,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:05,701 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 715 transitions. [2020-09-24 15:45:05,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:05,701 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 715 transitions. [2020-09-24 15:45:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 15:45:05,704 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:05,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:05,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:45:05,705 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:05,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:05,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1647705514, now seen corresponding path program 1 times [2020-09-24 15:45:05,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:05,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352784483] [2020-09-24 15:45:05,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 15:45:05,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:45:05,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:45:05,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:45:05,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-24 15:45:05,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:06,275 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:06,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:06,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:06,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:06,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:06,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:06,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:06,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:06,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:45:06,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:06,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:06,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:06,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:06,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:06,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:06,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:06,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:06,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:06,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:06,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:06,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:06,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:06,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:06,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:06,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:06,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:06,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:06,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:06,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:06,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:06,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:06,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:06,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:06,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:06,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:06,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:06,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:06,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:06,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:06,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:06,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:06,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:06,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:06,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:06,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:06,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:06,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:06,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:06,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:06,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:06,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:06,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:06,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:06,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:06,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:06,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:06,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:06,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:06,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:06,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:06,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:06,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:06,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:06,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:06,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:06,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:06,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:06,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:06,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:06,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:06,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:06,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:06,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:45:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:06,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:06,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:06,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:06,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:06,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:06,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:06,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:06,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:06,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:45:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:06,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:06,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:06,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:06,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:06,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:06,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:06,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:06,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:06,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:06,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:45:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:06,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:06,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:06,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:06,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:06,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:06,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:06,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:06,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352784483] [2020-09-24 15:45:06,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:06,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:06,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658018452] [2020-09-24 15:45:06,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:06,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:06,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:06,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:06,533 INFO L87 Difference]: Start difference. First operand 630 states and 715 transitions. Second operand 11 states. [2020-09-24 15:45:07,100 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:08,565 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:08,903 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:09,264 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:09,620 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:09,925 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:10,617 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:10,849 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:11,234 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:12,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:12,356 INFO L93 Difference]: Finished difference Result 1716 states and 2149 transitions. [2020-09-24 15:45:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 15:45:12,357 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-24 15:45:12,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:12,365 INFO L225 Difference]: With dead ends: 1716 [2020-09-24 15:45:12,366 INFO L226 Difference]: Without dead ends: 1201 [2020-09-24 15:45:12,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 15:45:12,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2020-09-24 15:45:12,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 944. [2020-09-24 15:45:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-09-24 15:45:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1083 transitions. [2020-09-24 15:45:12,538 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1083 transitions. Word has length 172 [2020-09-24 15:45:12,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:12,539 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1083 transitions. [2020-09-24 15:45:12,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1083 transitions. [2020-09-24 15:45:12,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 15:45:12,544 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:12,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:12,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:45:12,545 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:12,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:12,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1300660200, now seen corresponding path program 1 times [2020-09-24 15:45:12,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:12,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118612107] [2020-09-24 15:45:12,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:12,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -78 [2020-09-24 15:45:12,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 78 [2020-09-24 15:45:12,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-24 15:45:12,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:45:12,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-09-24 15:45:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:12,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:12,912 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:12,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:12,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:12,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:12,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:12,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:12,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:12,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:12,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:12,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:12,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:12,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:12,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:12,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:12,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:12,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:12,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:12,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:12,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:12,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:12,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:12,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:12,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:12,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:12,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:12,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:12,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:12,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:12,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:12,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:12,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:12,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:12,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:12,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:12,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:12,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:12,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:12,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:12,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:12,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:12,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:12,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:12,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:12,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:12,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:12,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:12,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:12,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:12,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:12,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:13,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:13,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:45:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:13,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:13,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:13,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:13,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:45:13,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:13,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:13,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:13,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:13,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:45:13,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:13,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:13,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:13,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:45:13,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:13,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:45:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:13,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:45:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:13,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:13,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:13,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118612107] [2020-09-24 15:45:13,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:13,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:13,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068930267] [2020-09-24 15:45:13,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:13,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:13,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:13,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:13,163 INFO L87 Difference]: Start difference. First operand 944 states and 1083 transitions. Second operand 10 states. [2020-09-24 15:45:14,535 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:14,882 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:15,232 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:15,590 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:15,895 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:17,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:17,355 INFO L93 Difference]: Finished difference Result 2128 states and 2658 transitions. [2020-09-24 15:45:17,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:45:17,356 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2020-09-24 15:45:17,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:17,365 INFO L225 Difference]: With dead ends: 2128 [2020-09-24 15:45:17,366 INFO L226 Difference]: Without dead ends: 1299 [2020-09-24 15:45:17,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:45:17,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2020-09-24 15:45:17,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 974. [2020-09-24 15:45:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 974 states. [2020-09-24 15:45:17,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1115 transitions. [2020-09-24 15:45:17,555 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1115 transitions. Word has length 201 [2020-09-24 15:45:17,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:17,556 INFO L479 AbstractCegarLoop]: Abstraction has 974 states and 1115 transitions. [2020-09-24 15:45:17,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1115 transitions. [2020-09-24 15:45:17,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 15:45:17,561 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:17,561 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:17,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:45:17,562 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:17,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:17,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1175455816, now seen corresponding path program 1 times [2020-09-24 15:45:17,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:17,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75269091] [2020-09-24 15:45:17,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-24 15:45:17,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:17,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-09-24 15:45:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:17,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,916 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:17,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:17,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:17,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:17,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:17,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:17,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:17,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:18,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:18,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:18,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:18,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:45:18,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:18,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:18,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:45:18,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:18,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:45:18,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:18,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:18,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:18,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:45:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:18,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:18,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:18,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:45:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:45:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:18,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:18,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:45:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:18,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:18,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:18,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75269091] [2020-09-24 15:45:18,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:18,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:18,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958923133] [2020-09-24 15:45:18,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:18,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:18,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:18,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:18,220 INFO L87 Difference]: Start difference. First operand 974 states and 1115 transitions. Second operand 11 states. [2020-09-24 15:45:19,790 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:20,105 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:20,457 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:20,769 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:21,128 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:21,441 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:22,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:22,744 INFO L93 Difference]: Finished difference Result 2170 states and 2655 transitions. [2020-09-24 15:45:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:45:22,751 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 201 [2020-09-24 15:45:22,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:22,760 INFO L225 Difference]: With dead ends: 2170 [2020-09-24 15:45:22,761 INFO L226 Difference]: Without dead ends: 1311 [2020-09-24 15:45:22,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:45:22,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-09-24 15:45:22,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1006. [2020-09-24 15:45:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2020-09-24 15:45:22,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1147 transitions. [2020-09-24 15:45:22,938 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1147 transitions. Word has length 201 [2020-09-24 15:45:22,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:22,938 INFO L479 AbstractCegarLoop]: Abstraction has 1006 states and 1147 transitions. [2020-09-24 15:45:22,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1147 transitions. [2020-09-24 15:45:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 15:45:22,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:22,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:22,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:45:22,944 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:22,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:22,944 INFO L82 PathProgramCache]: Analyzing trace with hash -610166059, now seen corresponding path program 1 times [2020-09-24 15:45:22,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:22,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240841558] [2020-09-24 15:45:22,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-24 15:45:23,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:45:23,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:45:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:45:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-24 15:45:23,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,371 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:23,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:23,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:45:23,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:23,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:23,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:23,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:23,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:23,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:23,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:23,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:23,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:23,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:23,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:23,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:23,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:23,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:45:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:45:23,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:23,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:23,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:45:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:23,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:23,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:23,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:23,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:23,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:23,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:23,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:23,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:23,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:23,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:23,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:23,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:45:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:23,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:23,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:23,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:45:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:23,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:23,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240841558] [2020-09-24 15:45:23,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:23,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:45:23,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303416958] [2020-09-24 15:45:23,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:45:23,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:23,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:45:23,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:45:23,717 INFO L87 Difference]: Start difference. First operand 1006 states and 1147 transitions. Second operand 8 states. [2020-09-24 15:45:24,344 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:25,011 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:27,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:27,868 INFO L93 Difference]: Finished difference Result 3295 states and 4121 transitions. [2020-09-24 15:45:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:45:27,869 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2020-09-24 15:45:27,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:27,884 INFO L225 Difference]: With dead ends: 3295 [2020-09-24 15:45:27,884 INFO L226 Difference]: Without dead ends: 2404 [2020-09-24 15:45:27,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:45:27,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2020-09-24 15:45:28,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 1958. [2020-09-24 15:45:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1958 states. [2020-09-24 15:45:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1958 states and 2257 transitions. [2020-09-24 15:45:28,204 INFO L78 Accepts]: Start accepts. Automaton has 1958 states and 2257 transitions. Word has length 201 [2020-09-24 15:45:28,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:28,205 INFO L479 AbstractCegarLoop]: Abstraction has 1958 states and 2257 transitions. [2020-09-24 15:45:28,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:45:28,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2257 transitions. [2020-09-24 15:45:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-24 15:45:28,211 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:28,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:28,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:45:28,212 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:28,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:28,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1444266545, now seen corresponding path program 1 times [2020-09-24 15:45:28,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:28,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929685440] [2020-09-24 15:45:28,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-24 15:45:28,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:45:28,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:45:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-24 15:45:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-24 15:45:28,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:28,686 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:28,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:28,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:28,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:28,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:28,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:28,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:28,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,766 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:28,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:28,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:28,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:28,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:28,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:28,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:45:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:28,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:28,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:45:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:28,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:45:28,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:28,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:28,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:28,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:28,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:45:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:28,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:28,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:45:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:28,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:28,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:28,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:28,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929685440] [2020-09-24 15:45:28,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:28,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:45:28,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403998510] [2020-09-24 15:45:28,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:45:28,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:28,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:45:28,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:45:28,917 INFO L87 Difference]: Start difference. First operand 1958 states and 2257 transitions. Second operand 8 states. [2020-09-24 15:45:29,476 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:32,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:32,520 INFO L93 Difference]: Finished difference Result 3971 states and 5014 transitions. [2020-09-24 15:45:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:45:32,520 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 206 [2020-09-24 15:45:32,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:32,547 INFO L225 Difference]: With dead ends: 3971 [2020-09-24 15:45:32,547 INFO L226 Difference]: Without dead ends: 3968 [2020-09-24 15:45:32,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=236, Invalid=634, Unknown=0, NotChecked=0, Total=870 [2020-09-24 15:45:32,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3968 states. [2020-09-24 15:45:33,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3968 to 3223. [2020-09-24 15:45:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3223 states. [2020-09-24 15:45:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 3223 states and 3827 transitions. [2020-09-24 15:45:33,169 INFO L78 Accepts]: Start accepts. Automaton has 3223 states and 3827 transitions. Word has length 206 [2020-09-24 15:45:33,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:33,170 INFO L479 AbstractCegarLoop]: Abstraction has 3223 states and 3827 transitions. [2020-09-24 15:45:33,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:45:33,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 3827 transitions. [2020-09-24 15:45:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-09-24 15:45:33,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:33,183 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:33,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:45:33,184 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:33,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:33,184 INFO L82 PathProgramCache]: Analyzing trace with hash 351679803, now seen corresponding path program 1 times [2020-09-24 15:45:33,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:33,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790664430] [2020-09-24 15:45:33,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-09-24 15:45:33,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:33,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-09-24 15:45:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:33,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,536 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:33,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:33,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:33,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:33,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:33,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:33,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:33,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:33,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:45:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:33,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:33,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:45:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:33,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:33,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:45:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:45:33,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:45:33,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 15:45:33,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:33,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:45:33,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:33,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:33,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:33,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:33,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:33,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:45:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:45:33,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:45:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:33,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:33,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:45:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:33,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:33,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 15:45:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:33,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:45:33,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-24 15:45:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:33,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:33,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-24 15:45:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:33,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:33,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:33,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-24 15:45:33,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790664430] [2020-09-24 15:45:33,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:33,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:33,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545646] [2020-09-24 15:45:33,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:33,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:33,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:33,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:33,882 INFO L87 Difference]: Start difference. First operand 3223 states and 3827 transitions. Second operand 11 states. [2020-09-24 15:45:34,453 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:35,357 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:38,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:38,200 INFO L93 Difference]: Finished difference Result 4175 states and 5062 transitions. [2020-09-24 15:45:38,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 15:45:38,201 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 266 [2020-09-24 15:45:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:38,213 INFO L225 Difference]: With dead ends: 4175 [2020-09-24 15:45:38,213 INFO L226 Difference]: Without dead ends: 1857 [2020-09-24 15:45:38,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=315, Invalid=1245, Unknown=0, NotChecked=0, Total=1560 [2020-09-24 15:45:38,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2020-09-24 15:45:38,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1607. [2020-09-24 15:45:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1607 states. [2020-09-24 15:45:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 1860 transitions. [2020-09-24 15:45:38,468 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 1860 transitions. Word has length 266 [2020-09-24 15:45:38,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:38,469 INFO L479 AbstractCegarLoop]: Abstraction has 1607 states and 1860 transitions. [2020-09-24 15:45:38,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:38,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 1860 transitions. [2020-09-24 15:45:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-09-24 15:45:38,475 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:38,476 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:38,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:45:38,476 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:38,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:38,477 INFO L82 PathProgramCache]: Analyzing trace with hash 2045361206, now seen corresponding path program 1 times [2020-09-24 15:45:38,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:38,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92425817] [2020-09-24 15:45:38,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:38,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -52 [2020-09-24 15:45:38,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 52 [2020-09-24 15:45:38,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-09-24 15:45:38,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:45:38,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-24 15:45:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 15:45:38,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,851 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:38,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:38,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:38,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:38,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:38,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:38,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:38,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:38,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:39,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:39,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:45:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:39,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:39,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:39,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:45:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:45:39,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 15:45:39,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:39,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:39,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:39,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:39,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:39,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:39,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:45:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:45:39,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:39,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:39,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:39,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:45:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:39,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:39,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-24 15:45:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:39,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:39,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 15:45:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:39,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:39,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:45:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:45:39,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:39,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:39,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:45:39,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:45:39,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:39,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:39,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:39,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:39,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:45:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:45:39,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:45:39,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:39,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:39,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-09-24 15:45:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:39,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:39,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:39,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-09-24 15:45:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:39,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-24 15:45:39,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92425817] [2020-09-24 15:45:39,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:45:39,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:45:39,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710292829] [2020-09-24 15:45:39,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:45:39,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:39,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:45:39,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:45:39,432 INFO L87 Difference]: Start difference. First operand 1607 states and 1860 transitions. Second operand 17 states. [2020-09-24 15:45:40,073 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:41,241 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189