/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_spec5_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:53:58,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:53:58,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:53:58,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:53:58,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:53:58,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:53:58,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:53:58,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:53:58,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:53:58,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:53:58,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:53:58,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:53:58,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:53:58,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:53:58,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:53:58,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:53:58,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:53:58,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:53:58,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:53:58,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:53:58,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:53:58,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:53:58,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:53:58,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:53:58,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:53:58,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:53:58,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:53:58,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:53:58,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:53:58,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:53:58,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:53:58,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:53:58,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:53:58,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:53:58,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:53:58,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:53:58,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:53:58,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:53:58,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:53:58,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:53:58,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:53:58,887 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 15:53:58,929 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:53:58,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:53:58,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:53:58,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:53:58,931 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:53:58,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:53:58,932 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:53:58,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:53:58,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:53:58,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:53:58,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:53:58,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:53:58,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:53:58,933 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:53:58,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:53:58,933 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:53:58,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:53:58,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:53:58,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:53:58,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:53:58,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:53:58,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:53:58,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:53:58,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:53:58,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:53:58,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:53:58,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:53:58,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:53:58,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:53:58,938 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 15:53:59,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:53:59,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:53:59,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:53:59,435 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:53:59,435 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:53:59,436 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-09-24 15:53:59,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9c8353c9/ce96291bd1cd401f979a994a95954b14/FLAGaf1b21db6 [2020-09-24 15:54:00,153 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:54:00,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-09-24 15:54:00,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9c8353c9/ce96291bd1cd401f979a994a95954b14/FLAGaf1b21db6 [2020-09-24 15:54:00,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9c8353c9/ce96291bd1cd401f979a994a95954b14 [2020-09-24 15:54:00,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:54:00,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:54:00,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:00,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:54:00,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:54:00,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:00" (1/1) ... [2020-09-24 15:54:00,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:00, skipping insertion in model container [2020-09-24 15:54:00,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:00" (1/1) ... [2020-09-24 15:54:00,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:54:00,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:54:00,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:00,973 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:54:01,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:01,137 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:54:01,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:01 WrapperNode [2020-09-24 15:54:01,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:01,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:54:01,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:54:01,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:54:01,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:01" (1/1) ... [2020-09-24 15:54:01,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:01" (1/1) ... [2020-09-24 15:54:01,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:01" (1/1) ... [2020-09-24 15:54:01,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:01" (1/1) ... [2020-09-24 15:54:01,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:01" (1/1) ... [2020-09-24 15:54:01,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:01" (1/1) ... [2020-09-24 15:54:01,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:01" (1/1) ... [2020-09-24 15:54:01,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:54:01,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:54:01,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:54:01,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:54:01,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:01" (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 15:54:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:54:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:54:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:54:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:54:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:54:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:54:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:54:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:54:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:54:01,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:54:01,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:54:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:54:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:54:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:54:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:54:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:54:01,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:54:01,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:54:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:54:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:54:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:54:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:54:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:54:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:54:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:54:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:54:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:54:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:54:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:54:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:54:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:54:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:54:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:54:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:54:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:54:01,347 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:54:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:54:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:54:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:54:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:54:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:54:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:54:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:54:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:54:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:54:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:54:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:54:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:54:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:54:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:54:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:54:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:54:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:54:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:54:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:54:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:54:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:54:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:54:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:54:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:54:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:54:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:54:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:54:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:54:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:54:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:54:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:54:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:54:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:54:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:54:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:54:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:54:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:54:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:54:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:54:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:54:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:54:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:54:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:54:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:54:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:54:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:54:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:54:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:54:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:54:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:54:02,516 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:54:02,517 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:54:02,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:02 BoogieIcfgContainer [2020-09-24 15:54:02,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:54:02,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:54:02,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:54:02,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:54:02,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:54:00" (1/3) ... [2020-09-24 15:54:02,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d77b8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:02, skipping insertion in model container [2020-09-24 15:54:02,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:01" (2/3) ... [2020-09-24 15:54:02,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d77b8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:02, skipping insertion in model container [2020-09-24 15:54:02,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:02" (3/3) ... [2020-09-24 15:54:02,533 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2020-09-24 15:54:02,545 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:54:02,555 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:54:02,577 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:54:02,610 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:54:02,610 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:54:02,610 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:54:02,610 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:54:02,610 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:54:02,613 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:54:02,613 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:54:02,613 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:54:02,652 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-09-24 15:54:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:54:02,672 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:02,673 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 15:54:02,674 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:02,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:02,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1537193483, now seen corresponding path program 1 times [2020-09-24 15:54:02,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:02,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798240407] [2020-09-24 15:54:02,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:54:03,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:54:03,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:54:03,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:03,559 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:03,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:03,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:03,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:03,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:03,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:03,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:03,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:03,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:03,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:03,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:03,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:03,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:03,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:03,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:03,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:03,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:03,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:03,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:03,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:03,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:03,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:03,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:54:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:03,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:03,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:03,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:03,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:03,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:03,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:54:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:03,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:03,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:03,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:03,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:54:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:03,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:03,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:03,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:03,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:03,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:03,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:03,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:03,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:03,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798240407] [2020-09-24 15:54:03,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:03,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:54:03,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672506857] [2020-09-24 15:54:03,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:54:03,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:03,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:54:03,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:54:03,831 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2020-09-24 15:54:05,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:05,171 INFO L93 Difference]: Finished difference Result 532 states and 626 transitions. [2020-09-24 15:54:05,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:54:05,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:54:05,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:05,195 INFO L225 Difference]: With dead ends: 532 [2020-09-24 15:54:05,195 INFO L226 Difference]: Without dead ends: 333 [2020-09-24 15:54:05,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 15:54:05,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-09-24 15:54:05,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 284. [2020-09-24 15:54:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-24 15:54:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 310 transitions. [2020-09-24 15:54:05,308 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 310 transitions. Word has length 160 [2020-09-24 15:54:05,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:05,310 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 310 transitions. [2020-09-24 15:54:05,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:54:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 310 transitions. [2020-09-24 15:54:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:54:05,315 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:05,316 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 15:54:05,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:54:05,316 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:05,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:05,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1855908241, now seen corresponding path program 1 times [2020-09-24 15:54:05,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:05,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302785033] [2020-09-24 15:54:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:54:05,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:54:05,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:54:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:05,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,784 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:05,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:05,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:05,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:05,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:05,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:05,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:05,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:05,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:05,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:05,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:05,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:05,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:05,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:05,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:05,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:05,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:05,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:05,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:05,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:05,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:05,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:05,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:05,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:05,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:05,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:05,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:05,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:54:05,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:05,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:05,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:05,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:05,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302785033] [2020-09-24 15:54:05,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:05,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:54:05,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955442511] [2020-09-24 15:54:05,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:54:05,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:05,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:54:05,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:54:05,991 INFO L87 Difference]: Start difference. First operand 284 states and 310 transitions. Second operand 5 states. [2020-09-24 15:54:06,716 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:07,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:07,879 INFO L93 Difference]: Finished difference Result 451 states and 510 transitions. [2020-09-24 15:54:07,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:54:07,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:54:07,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:07,888 INFO L225 Difference]: With dead ends: 451 [2020-09-24 15:54:07,888 INFO L226 Difference]: Without dead ends: 322 [2020-09-24 15:54:07,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 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 15:54:07,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-09-24 15:54:07,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 274. [2020-09-24 15:54:07,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-09-24 15:54:07,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 297 transitions. [2020-09-24 15:54:07,936 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 297 transitions. Word has length 161 [2020-09-24 15:54:07,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:07,937 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 297 transitions. [2020-09-24 15:54:07,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:54:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 297 transitions. [2020-09-24 15:54:07,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:54:07,940 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:07,941 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 15:54:07,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:54:07,941 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:07,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:07,942 INFO L82 PathProgramCache]: Analyzing trace with hash 528058329, now seen corresponding path program 1 times [2020-09-24 15:54:07,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:07,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193238567] [2020-09-24 15:54:07,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:08,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:54:08,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:54:08,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:54:08,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:08,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:54:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:54:08,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:08,297 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:08,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:08,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:08,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:08,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:08,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:08,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:08,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:08,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:08,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:08,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:08,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:08,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:08,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:08,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:08,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:08,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:08,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:08,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:08,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:08,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:08,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:08,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:08,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:08,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:08,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:08,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:08,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:08,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:08,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:08,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:08,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:08,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:08,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:08,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:08,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:08,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:08,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:08,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:08,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:54:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:08,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:08,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:08,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:08,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:54:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:08,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:08,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:08,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:08,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:08,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:08,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:08,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:08,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:08,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:08,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:08,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:08,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:08,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193238567] [2020-09-24 15:54:08,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:08,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:54:08,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782710900] [2020-09-24 15:54:08,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:54:08,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:08,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:54:08,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:54:08,469 INFO L87 Difference]: Start difference. First operand 274 states and 297 transitions. Second operand 6 states. [2020-09-24 15:54:08,989 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:10,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:10,980 INFO L93 Difference]: Finished difference Result 670 states and 777 transitions. [2020-09-24 15:54:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:54:10,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:54:10,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:10,989 INFO L225 Difference]: With dead ends: 670 [2020-09-24 15:54:10,989 INFO L226 Difference]: Without dead ends: 511 [2020-09-24 15:54:10,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:54:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-09-24 15:54:11,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 423. [2020-09-24 15:54:11,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-09-24 15:54:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 470 transitions. [2020-09-24 15:54:11,076 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 470 transitions. Word has length 174 [2020-09-24 15:54:11,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:11,077 INFO L479 AbstractCegarLoop]: Abstraction has 423 states and 470 transitions. [2020-09-24 15:54:11,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:54:11,077 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 470 transitions. [2020-09-24 15:54:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-24 15:54:11,080 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:11,080 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 15:54:11,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:54:11,081 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:11,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:11,081 INFO L82 PathProgramCache]: Analyzing trace with hash 389507512, now seen corresponding path program 1 times [2020-09-24 15:54:11,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:11,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283982309] [2020-09-24 15:54:11,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:54:11,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 15:54:11,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:54:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:54:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:54:11,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:11,680 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:11,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:11,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:11,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:54:11,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:11,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:11,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:11,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:11,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:11,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:11,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:11,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:11,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:11,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:11,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:11,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:11,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:11,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:11,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:11,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:11,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:11,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:11,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:11,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:11,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:11,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:11,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:11,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:54:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:11,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:11,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:11,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:11,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:54:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:11,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:11,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:11,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:11,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:11,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:11,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:11,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 15:54:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:11,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:11,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:11,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:11,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:11,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:54:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:11,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:11,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:11,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:11,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:11,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:11,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:11,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:11,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:11,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:54:12,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283982309] [2020-09-24 15:54:12,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:12,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:12,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351185667] [2020-09-24 15:54:12,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:12,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:12,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:12,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:12,004 INFO L87 Difference]: Start difference. First operand 423 states and 470 transitions. Second operand 10 states. [2020-09-24 15:54:12,703 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:13,696 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:14,010 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:15,063 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:15,409 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:15,754 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:16,440 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:16,752 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:17,038 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:17,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:17,741 INFO L93 Difference]: Finished difference Result 1002 states and 1199 transitions. [2020-09-24 15:54:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:54:17,742 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-24 15:54:17,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:17,747 INFO L225 Difference]: With dead ends: 1002 [2020-09-24 15:54:17,747 INFO L226 Difference]: Without dead ends: 694 [2020-09-24 15:54:17,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:54:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-09-24 15:54:17,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 607. [2020-09-24 15:54:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-09-24 15:54:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 684 transitions. [2020-09-24 15:54:17,830 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 684 transitions. Word has length 179 [2020-09-24 15:54:17,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:17,831 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 684 transitions. [2020-09-24 15:54:17,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:17,831 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 684 transitions. [2020-09-24 15:54:17,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:54:17,834 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:17,834 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:17,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:54:17,835 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:17,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:17,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2085074320, now seen corresponding path program 1 times [2020-09-24 15:54:17,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:17,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271714952] [2020-09-24 15:54:17,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:17,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:17,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:17,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:17,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:17,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 15:54:17,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:17,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:17,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-24 15:54:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,193 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:18,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:18,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:18,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:18,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:18,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:18,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:18,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:18,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:18,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:18,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:18,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:18,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:54:18,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:18,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:18,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:54:18,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:54:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:18,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:18,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:18,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:18,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:54:18,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:18,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:18,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:54:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:54:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:18,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:54:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:18,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:18,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271714952] [2020-09-24 15:54:18,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:18,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:54:18,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683191029] [2020-09-24 15:54:18,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:54:18,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:18,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:54:18,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:54:18,569 INFO L87 Difference]: Start difference. First operand 607 states and 684 transitions. Second operand 11 states. [2020-09-24 15:54:20,095 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:20,411 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:20,735 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 15:54:21,039 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:21,335 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:21,628 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:22,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:22,921 INFO L93 Difference]: Finished difference Result 1284 states and 1541 transitions. [2020-09-24 15:54:22,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:54:22,924 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-09-24 15:54:22,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:22,930 INFO L225 Difference]: With dead ends: 1284 [2020-09-24 15:54:22,930 INFO L226 Difference]: Without dead ends: 792 [2020-09-24 15:54:22,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:54:22,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-09-24 15:54:23,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 626. [2020-09-24 15:54:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-09-24 15:54:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 704 transitions. [2020-09-24 15:54:23,021 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 704 transitions. Word has length 212 [2020-09-24 15:54:23,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:23,021 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 704 transitions. [2020-09-24 15:54:23,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:54:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 704 transitions. [2020-09-24 15:54:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:54:23,025 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:23,025 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:23,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:54:23,025 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:23,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:23,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1959869936, now seen corresponding path program 1 times [2020-09-24 15:54:23,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:23,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1149356845] [2020-09-24 15:54:23,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:23,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -93 [2020-09-24 15:54:23,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 93 [2020-09-24 15:54:23,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 15:54:23,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:54:23,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-24 15:54:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:23,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,368 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:23,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:23,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:23,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:23,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:23,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:23,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:23,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:23,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:23,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:23,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:23,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:23,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:23,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:23,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:23,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:23,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:54:23,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:23,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:23,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:23,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:23,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:23,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:23,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:54:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:23,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:23,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:23,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:23,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:54:23,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:54:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:23,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:23,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:54:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:23,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:23,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:23,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:23,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1149356845] [2020-09-24 15:54:23,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:23,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:23,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74760400] [2020-09-24 15:54:23,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:23,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:23,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:23,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:23,619 INFO L87 Difference]: Start difference. First operand 626 states and 704 transitions. Second operand 10 states. [2020-09-24 15:54:24,997 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:25,299 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:25,617 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:25,939 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:26,233 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:27,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:27,379 INFO L93 Difference]: Finished difference Result 1325 states and 1606 transitions. [2020-09-24 15:54:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:54:27,388 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-09-24 15:54:27,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:27,393 INFO L225 Difference]: With dead ends: 1325 [2020-09-24 15:54:27,393 INFO L226 Difference]: Without dead ends: 814 [2020-09-24 15:54:27,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:54:27,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2020-09-24 15:54:27,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 638. [2020-09-24 15:54:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-09-24 15:54:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 716 transitions. [2020-09-24 15:54:27,475 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 716 transitions. Word has length 212 [2020-09-24 15:54:27,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:27,476 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 716 transitions. [2020-09-24 15:54:27,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 716 transitions. [2020-09-24 15:54:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:54:27,479 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:27,479 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:27,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:54:27,480 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:27,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:27,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1644603219, now seen corresponding path program 1 times [2020-09-24 15:54:27,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:27,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194479836] [2020-09-24 15:54:27,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 15:54:27,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:54:27,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:54:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:54:27,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:54:27,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:27,933 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:27,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:27,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:27,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:54:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:28,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:28,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:28,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:28,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:28,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:28,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:28,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:28,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:28,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:28,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:28,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:28,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:28,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:28,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:28,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:28,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:28,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:54:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:54:28,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:28,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:54:28,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:28,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:28,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:28,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:28,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:28,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:28,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:54:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:28,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:28,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:54:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:28,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:28,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194479836] [2020-09-24 15:54:28,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:28,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:54:28,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352011737] [2020-09-24 15:54:28,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:54:28,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:28,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:54:28,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:54:28,243 INFO L87 Difference]: Start difference. First operand 638 states and 716 transitions. Second operand 8 states. [2020-09-24 15:54:28,805 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:29,571 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:32,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:32,769 INFO L93 Difference]: Finished difference Result 1965 states and 2413 transitions. [2020-09-24 15:54:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:54:32,770 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-09-24 15:54:32,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:32,778 INFO L225 Difference]: With dead ends: 1965 [2020-09-24 15:54:32,778 INFO L226 Difference]: Without dead ends: 1442 [2020-09-24 15:54:32,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:54:32,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2020-09-24 15:54:32,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1195. [2020-09-24 15:54:32,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1195 states. [2020-09-24 15:54:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1363 transitions. [2020-09-24 15:54:32,892 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1363 transitions. Word has length 212 [2020-09-24 15:54:32,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:32,892 INFO L479 AbstractCegarLoop]: Abstraction has 1195 states and 1363 transitions. [2020-09-24 15:54:32,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:54:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1363 transitions. [2020-09-24 15:54:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:54:32,896 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:32,897 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:32,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:54:32,897 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:32,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:32,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1219512252, now seen corresponding path program 1 times [2020-09-24 15:54:32,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:32,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975743633] [2020-09-24 15:54:32,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:33,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -58 [2020-09-24 15:54:33,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 58 [2020-09-24 15:54:33,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 15:54:33,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 15:54:33,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:54:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:54:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-09-24 15:54:33,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,422 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:33,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:33,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:54:33,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:33,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:33,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:33,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:33,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:33,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:33,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:33,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:33,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:33,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:33,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:33,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:33,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:33,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:33,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:33,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:54:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:33,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:33,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:33,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:54:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:33,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:33,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:33,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:33,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:33,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:33,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:54:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:33,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:33,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:33,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:54:33,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:33,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:33,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:33,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:33,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:33,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:54:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:33,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:33,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:33,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:33,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:54:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:33,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:33,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:33,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975743633] [2020-09-24 15:54:33,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:33,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:54:33,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495403553] [2020-09-24 15:54:33,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:54:33,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:33,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:54:33,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:33,838 INFO L87 Difference]: Start difference. First operand 1195 states and 1363 transitions. Second operand 15 states. [2020-09-24 15:54:34,420 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:35,272 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:36,740 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 15:54:37,358 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-24 15:54:37,712 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:38,027 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:38,408 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:38,767 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:41,379 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:54:41,927 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:54:42,860 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:43,174 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:44,354 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-24 15:54:44,965 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-24 15:54:45,604 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:54:47,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:47,065 INFO L93 Difference]: Finished difference Result 3922 states and 4795 transitions. [2020-09-24 15:54:47,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-09-24 15:54:47,066 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 217 [2020-09-24 15:54:47,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:47,081 INFO L225 Difference]: With dead ends: 3922 [2020-09-24 15:54:47,081 INFO L226 Difference]: Without dead ends: 3057 [2020-09-24 15:54:47,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1250 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=835, Invalid=3197, Unknown=0, NotChecked=0, Total=4032 [2020-09-24 15:54:47,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2020-09-24 15:54:47,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 2402. [2020-09-24 15:54:47,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2402 states. [2020-09-24 15:54:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 2721 transitions. [2020-09-24 15:54:47,427 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 2721 transitions. Word has length 217 [2020-09-24 15:54:47,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:47,428 INFO L479 AbstractCegarLoop]: Abstraction has 2402 states and 2721 transitions. [2020-09-24 15:54:47,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:54:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2721 transitions. [2020-09-24 15:54:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-09-24 15:54:47,434 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:47,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:54:47,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:54:47,435 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:47,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:47,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1697085986, now seen corresponding path program 1 times [2020-09-24 15:54:47,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:47,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342737654] [2020-09-24 15:54:47,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-09-24 15:54:47,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 15:54:47,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:54:47,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:47,791 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:47,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:47,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:47,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:47,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:47,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:47,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:47,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:47,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:47,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:47,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:47,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:47,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:54:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:54:47,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:54:47,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 15:54:47,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:47,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:47,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:47,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:47,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:54:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:48,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:54:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:48,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:48,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:48,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:48,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:48,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:48,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:48,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:48,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:48,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:48,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:48,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:48,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:48,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:48,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:48,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:48,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-24 15:54:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:54:48,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:48,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:54:48,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:48,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:48,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:48,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:48,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:48,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 15:54:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:48,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:48,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:48,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:48,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:48,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:48,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:48,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:48,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:48,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:48,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-24 15:54:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:48,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:48,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:54:48,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:48,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:48,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 15:54:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:48,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:48,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:48,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:48,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:48,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-24 15:54:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:48,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:48,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:48,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:48,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:48,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:48,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:48,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:48,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:48,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:48,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:54:48,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342737654] [2020-09-24 15:54:48,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:48,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:48,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955390541] [2020-09-24 15:54:48,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:48,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:48,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:48,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:48,229 INFO L87 Difference]: Start difference. First operand 2402 states and 2721 transitions. Second operand 10 states. [2020-09-24 15:54:48,787 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:49,675 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:51,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:51,549 INFO L93 Difference]: Finished difference Result 4100 states and 4705 transitions. [2020-09-24 15:54:51,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 15:54:51,550 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 277 [2020-09-24 15:54:51,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:51,559 INFO L225 Difference]: With dead ends: 4100 [2020-09-24 15:54:51,560 INFO L226 Difference]: Without dead ends: 1813 [2020-09-24 15:54:51,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2020-09-24 15:54:51,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2020-09-24 15:54:51,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1639. [2020-09-24 15:54:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1639 states. [2020-09-24 15:54:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 1829 transitions. [2020-09-24 15:54:51,812 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 1829 transitions. Word has length 277 [2020-09-24 15:54:51,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:51,813 INFO L479 AbstractCegarLoop]: Abstraction has 1639 states and 1829 transitions. [2020-09-24 15:54:51,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 1829 transitions. [2020-09-24 15:54:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-09-24 15:54:51,816 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:51,816 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:51,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:54:51,817 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:51,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:51,817 INFO L82 PathProgramCache]: Analyzing trace with hash -173153842, now seen corresponding path program 1 times [2020-09-24 15:54:51,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:51,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846654672] [2020-09-24 15:54:51,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:51,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:51,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -120 [2020-09-24 15:54:51,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 120 [2020-09-24 15:54:51,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:51,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 381 [2020-09-24 15:54:51,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:51,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:54:51,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:51,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:54:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 225 [2020-09-24 15:54:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:54:51,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,271 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:52,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:52,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:52,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:52,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:52,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:52,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:52,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:52,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:52,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:52,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:52,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:52,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:54:52,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:54:52,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:52,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:52,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:52,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:54:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:52,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:54:52,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:52,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:52,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:54:52,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:52,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:52,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:52,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:52,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-24 15:54:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:54:52,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:52,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:54:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:52,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:54:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:52,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:52,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:54:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:52,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:54:52,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:52,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:54:52,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:52,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:52,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 15:54:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:52,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:52,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:52,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 15:54:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:54:52,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:54:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:54:52,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:54:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:54:52,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:52,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-09-24 15:54:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:52,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:52,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-24 15:54:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:52,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 15:54:52,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846654672] [2020-09-24 15:54:52,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:54:52,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:54:52,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115088809] [2020-09-24 15:54:52,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:54:52,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:52,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:54:52,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:52,870 INFO L87 Difference]: Start difference. First operand 1639 states and 1829 transitions. Second operand 15 states. [2020-09-24 15:54:53,505 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:54:54,565 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-24 15:54:54,974 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:55,369 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:55,710 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 15:54:56,149 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:54:56,513 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 200