/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:00:49,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:00:49,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:00:49,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:00:49,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:00:49,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:00:49,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:00:49,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:00:49,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:00:49,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:00:49,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:00:49,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:00:49,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:00:49,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:00:49,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:00:49,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:00:49,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:00:49,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:00:49,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:00:49,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:00:49,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:00:49,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:00:49,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:00:49,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:00:49,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:00:49,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:00:49,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:00:49,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:00:49,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:00:49,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:00:49,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:00:49,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:00:49,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:00:49,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:00:49,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:00:49,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:00:49,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:00:49,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:00:49,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:00:49,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:00:49,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:00:49,906 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 [2020-10-28 16:00:49,959 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:00:49,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:00:49,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:00:49,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:00:49,962 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:00:49,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:00:49,963 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:00:49,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:00:49,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:00:49,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:00:49,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:00:49,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:00:49,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:00:49,965 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:00:49,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:00:49,966 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:00:49,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:00:49,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:00:49,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:00:49,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:00:49,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:00:49,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:00:49,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:00:49,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:00:49,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:00:49,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:00:49,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:00:49,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:00:49,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:00:49,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:00:50,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:00:50,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:00:50,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:00:50,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:00:50,356 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:00:50,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2020-10-28 16:00:50,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c5aaceb3/159bbd426649403397d286d6dcc60573/FLAGcb5db63bb [2020-10-28 16:00:51,193 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:00:51,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2020-10-28 16:00:51,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c5aaceb3/159bbd426649403397d286d6dcc60573/FLAGcb5db63bb [2020-10-28 16:00:51,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c5aaceb3/159bbd426649403397d286d6dcc60573 [2020-10-28 16:00:51,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:00:51,407 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:00:51,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:00:51,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:00:51,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:00:51,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:00:51" (1/1) ... [2020-10-28 16:00:51,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6d1282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:51, skipping insertion in model container [2020-10-28 16:00:51,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:00:51" (1/1) ... [2020-10-28 16:00:51,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:00:51,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:00:52,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:00:52,248 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:00:52,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:00:52,468 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:00:52,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:52 WrapperNode [2020-10-28 16:00:52,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:00:52,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:00:52,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:00:52,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:00:52,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:52" (1/1) ... [2020-10-28 16:00:52,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:52" (1/1) ... [2020-10-28 16:00:52,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:52" (1/1) ... [2020-10-28 16:00:52,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:52" (1/1) ... [2020-10-28 16:00:52,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:52" (1/1) ... [2020-10-28 16:00:52,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:52" (1/1) ... [2020-10-28 16:00:52,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:52" (1/1) ... [2020-10-28 16:00:52,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:00:52,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:00:52,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:00:52,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:00:52,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:52" (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 [2020-10-28 16:00:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:00:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:00:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:00:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:00:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:00:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:00:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:00:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:00:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:00:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-28 16:00:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-28 16:00:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-28 16:00:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-28 16:00:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-28 16:00:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-28 16:00:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-28 16:00:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-28 16:00:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:00:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:00:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-28 16:00:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-28 16:00:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-28 16:00:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-28 16:00:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-28 16:00:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-28 16:00:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-28 16:00:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-28 16:00:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-28 16:00:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-28 16:00:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-28 16:00:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-28 16:00:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-28 16:00:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-28 16:00:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-28 16:00:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-28 16:00:52,856 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-28 16:00:52,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-28 16:00:52,856 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-28 16:00:52,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-28 16:00:52,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-28 16:00:52,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-28 16:00:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-28 16:00:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-28 16:00:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-28 16:00:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-28 16:00:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-28 16:00:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-28 16:00:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-28 16:00:52,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-28 16:00:52,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-28 16:00:52,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-28 16:00:52,858 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-28 16:00:52,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-28 16:00:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-28 16:00:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-28 16:00:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-28 16:00:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-28 16:00:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-28 16:00:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-28 16:00:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-28 16:00:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-28 16:00:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-28 16:00:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-28 16:00:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-28 16:00:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-28 16:00:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-28 16:00:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-28 16:00:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-28 16:00:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-28 16:00:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-28 16:00:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-28 16:00:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-28 16:00:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-28 16:00:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-28 16:00:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-28 16:00:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-28 16:00:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-28 16:00:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-28 16:00:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-28 16:00:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-28 16:00:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-28 16:00:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-28 16:00:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-28 16:00:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-28 16:00:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-28 16:00:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-28 16:00:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-28 16:00:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-28 16:00:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-28 16:00:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-28 16:00:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-28 16:00:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-28 16:00:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-28 16:00:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:00:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:00:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:00:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:00:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:00:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:00:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:00:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-28 16:00:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-28 16:00:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-28 16:00:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-28 16:00:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-28 16:00:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-28 16:00:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-28 16:00:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:00:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:00:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:00:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:00:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:00:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-28 16:00:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-28 16:00:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-28 16:00:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-28 16:00:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-28 16:00:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-28 16:00:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-28 16:00:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-28 16:00:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:00:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:00:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:00:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:00:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:00:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:00:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-28 16:00:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-28 16:00:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-28 16:00:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-28 16:00:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-28 16:00:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-28 16:00:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-28 16:00:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-28 16:00:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-28 16:00:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-28 16:00:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-28 16:00:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-28 16:00:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-28 16:00:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-28 16:00:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-28 16:00:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-28 16:00:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-28 16:00:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-28 16:00:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:00:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:00:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-28 16:00:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-28 16:00:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-28 16:00:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-28 16:00:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-28 16:00:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-28 16:00:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-28 16:00:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-28 16:00:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-28 16:00:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-28 16:00:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-28 16:00:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-28 16:00:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-28 16:00:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-28 16:00:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-28 16:00:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-28 16:00:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-28 16:00:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-28 16:00:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-28 16:00:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-28 16:00:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-28 16:00:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-28 16:00:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-28 16:00:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-28 16:00:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-28 16:00:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-28 16:00:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-28 16:00:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-28 16:00:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-28 16:00:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-28 16:00:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-28 16:00:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-28 16:00:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-28 16:00:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-28 16:00:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-28 16:00:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-28 16:00:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-28 16:00:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-28 16:00:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-28 16:00:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-28 16:00:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-28 16:00:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-28 16:00:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-28 16:00:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-28 16:00:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-28 16:00:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-28 16:00:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-28 16:00:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-28 16:00:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-28 16:00:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-28 16:00:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-28 16:00:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-28 16:00:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-28 16:00:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-28 16:00:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-28 16:00:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-28 16:00:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-28 16:00:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-28 16:00:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-28 16:00:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:00:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:00:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:00:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:00:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:00:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:00:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:00:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:00:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:00:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:00:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:00:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:00:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:00:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:00:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:00:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:00:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-28 16:00:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-28 16:00:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-28 16:00:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-28 16:00:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-28 16:00:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:00:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:00:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:00:55,077 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:00:55,077 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 16:00:55,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:00:55 BoogieIcfgContainer [2020-10-28 16:00:55,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:00:55,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:00:55,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:00:55,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:00:55,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:00:51" (1/3) ... [2020-10-28 16:00:55,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5407e35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:00:55, skipping insertion in model container [2020-10-28 16:00:55,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:00:52" (2/3) ... [2020-10-28 16:00:55,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5407e35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:00:55, skipping insertion in model container [2020-10-28 16:00:55,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:00:55" (3/3) ... [2020-10-28 16:00:55,089 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product12.cil.c [2020-10-28 16:00:55,101 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:00:55,107 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:00:55,120 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:00:55,149 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:00:55,149 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:00:55,150 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:00:55,150 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:00:55,150 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:00:55,150 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:00:55,150 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:00:55,150 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:00:55,178 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states. [2020-10-28 16:00:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 16:00:55,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:00:55,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2020-10-28 16:00:55,205 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:00:55,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:00:55,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1868363371, now seen corresponding path program 1 times [2020-10-28 16:00:55,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:00:55,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479516349] [2020-10-28 16:00:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:00:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:00:55,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:00:56,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:00:56,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:00:57,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:00:57,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:00:59,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:00,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:00,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 16:01:00,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:01:00,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 16:01:00,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:00,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:00,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:00,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-28 16:01:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:01:02,997 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-28 16:01:03,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:01:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:03,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:03,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:03,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:01:03,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:03,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 16:01:03,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:03,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:03,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:03,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:03,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:03,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:03,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:01:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:03,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:03,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:03,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:01:03,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:03,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:03,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:03,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:03,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:03,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:03,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:03,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:03,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:01:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:03,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:03,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:03,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:01:03,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:03,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:03,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:03,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:03,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:03,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:01:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:03,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:03,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:03,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:01:03,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:03,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:01:03,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:03,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:03,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:03,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:03,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:03,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:03,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:01:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:03,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:03,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:03,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:03,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:04,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:01:08,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:01:08,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 16:01:08,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:08,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:01:08,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 16:01:08,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:08,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:01:08,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:01:08,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:08,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:01:08,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 16:01:08,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:01:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:08,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:01:08,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:01:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:01:08,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 16:01:08,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:08,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:01:08,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:01:08,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:08,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:01:08,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:08,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:01:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:01:08,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:08,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:01:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:01:08,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:01:08,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:08,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:01:08,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:01:08,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:08,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:01:08,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:08,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:01:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:08,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:08,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 16:01:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:01:08,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:01:08,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:01:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:08,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:01:08,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:08,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:01:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:08,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:08,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 16:01:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:08,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:01:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:08,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 16:01:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:01:08,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:01:08,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:01:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:08,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 16:01:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:01:08,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:01:08,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:08,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 16:01:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:08,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:01:08,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:08,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 16:01:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:08,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:08,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:08,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:08,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:08,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:08,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:08,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:01:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:08,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:01:08,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479516349] [2020-10-28 16:01:08,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:01:08,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 16:01:08,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031398789] [2020-10-28 16:01:08,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 16:01:08,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:01:08,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 16:01:08,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:01:08,826 INFO L87 Difference]: Start difference. First operand 428 states. Second operand 10 states. [2020-10-28 16:01:21,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:01:21,691 INFO L93 Difference]: Finished difference Result 902 states and 1346 transitions. [2020-10-28 16:01:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 16:01:21,699 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-28 16:01:21,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:01:21,722 INFO L225 Difference]: With dead ends: 902 [2020-10-28 16:01:21,722 INFO L226 Difference]: Without dead ends: 648 [2020-10-28 16:01:21,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-28 16:01:21,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-10-28 16:01:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 380. [2020-10-28 16:01:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-10-28 16:01:21,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 511 transitions. [2020-10-28 16:01:21,997 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 511 transitions. Word has length 146 [2020-10-28 16:01:21,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:01:21,998 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 511 transitions. [2020-10-28 16:01:21,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 16:01:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 511 transitions. [2020-10-28 16:01:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-28 16:01:22,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:01:22,005 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2020-10-28 16:01:22,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:01:22,005 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:01:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:01:22,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1836994630, now seen corresponding path program 1 times [2020-10-28 16:01:22,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:01:22,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501812761] [2020-10-28 16:01:22,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:01:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:22,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:22,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:22,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:22,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:22,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:27,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:27,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-28 16:01:27,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:01:27,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:01:27,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:27,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:01:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:01:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:01:27,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:29,083 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-28 16:01:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:01:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:29,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:29,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:29,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:01:29,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:29,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 16:01:29,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:29,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:29,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:29,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:01:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:29,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:29,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:29,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:01:29,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:29,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:29,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:29,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:01:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:29,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:29,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:29,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:01:29,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:01:29,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:29,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:29,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:01:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:29,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:29,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:29,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:01:29,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:29,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:29,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:29,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:29,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:01:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:29,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:29,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:29,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:29,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:30,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:01:34,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:01:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 16:01:34,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:34,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:01:34,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:01:34,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:34,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:01:34,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:01:34,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:34,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:34,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:01:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:01:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:01:34,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:01:34,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:01:34,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:01:34,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:01:34,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:01:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:01:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:01:34,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:01:34,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:01:34,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:01:34,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:01:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 16:01:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:01:34,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:01:34,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:01:34,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:01:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:01:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:01:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 16:01:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:01:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 16:01:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:01:34,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:01:34,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:01:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 16:01:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:01:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:01:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:01:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:01:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 16:01:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:34,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:34,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:34,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:01:34,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:01:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:01:34,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:34,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:01:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:01:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:01:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:01:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:01:34,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501812761] [2020-10-28 16:01:34,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:01:34,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:01:34,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455917068] [2020-10-28 16:01:34,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:01:34,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:01:34,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:01:34,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:01:34,766 INFO L87 Difference]: Start difference. First operand 380 states and 511 transitions. Second operand 11 states. [2020-10-28 16:01:40,467 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-28 16:01:53,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:01:53,045 INFO L93 Difference]: Finished difference Result 810 states and 1166 transitions. [2020-10-28 16:01:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:01:53,046 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-28 16:01:53,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:01:53,053 INFO L225 Difference]: With dead ends: 810 [2020-10-28 16:01:53,054 INFO L226 Difference]: Without dead ends: 651 [2020-10-28 16:01:53,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-28 16:01:53,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-10-28 16:01:53,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 382. [2020-10-28 16:01:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-10-28 16:01:53,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 513 transitions. [2020-10-28 16:01:53,294 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 513 transitions. Word has length 147 [2020-10-28 16:01:53,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:01:53,295 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 513 transitions. [2020-10-28 16:01:53,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:01:53,295 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 513 transitions. [2020-10-28 16:01:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-28 16:01:53,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:01:53,299 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2020-10-28 16:01:53,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:01:53,299 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:01:53,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:01:53,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1310409970, now seen corresponding path program 1 times [2020-10-28 16:01:53,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:01:53,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730963429] [2020-10-28 16:01:53,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:01:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:53,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:53,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:53,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:53,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:53,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:53,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:58,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:01:58,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 16:01:58,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:01:58,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 16:01:58,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:01:58,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:01:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:01:58,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:01:58,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 16:01:58,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:00,325 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-28 16:02:00,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:02:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:00,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:00,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:02:00,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 16:02:00,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:00,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:00,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:02:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:00,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:00,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:00,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:02:00,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:00,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:00,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:00,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:00,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:00,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:02:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:00,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:00,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:00,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:02:00,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:00,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:00,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:00,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:00,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:02:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:00,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:00,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:00,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:02:00,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:00,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:00,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:00,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:00,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:02:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:00,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:00,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:00,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:00,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:01,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:02:05,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:02:05,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:02:05,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:05,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:02:05,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:05,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:05,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:05,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:05,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:02:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:05,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:02:05,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:05,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:02:05,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:05,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:05,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:02:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:05,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:02:05,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:05,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:02:05,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:05,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:05,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 16:02:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:02:05,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:02:05,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:02:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:05,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:02:05,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:02:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:05,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 16:02:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:05,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:02:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:02:05,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:05,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:02:05,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:02:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:05,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:02:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:05,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 16:02:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:05,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:05,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:05,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:05,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:05,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:02:05,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730963429] [2020-10-28 16:02:05,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:02:05,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 16:02:05,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512414833] [2020-10-28 16:02:05,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 16:02:05,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:02:05,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 16:02:05,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:02:05,846 INFO L87 Difference]: Start difference. First operand 382 states and 513 transitions. Second operand 12 states. [2020-10-28 16:02:10,575 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-28 16:02:12,536 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-28 16:02:24,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:02:24,975 INFO L93 Difference]: Finished difference Result 866 states and 1262 transitions. [2020-10-28 16:02:24,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:02:24,976 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 153 [2020-10-28 16:02:24,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:02:24,983 INFO L225 Difference]: With dead ends: 866 [2020-10-28 16:02:24,983 INFO L226 Difference]: Without dead ends: 707 [2020-10-28 16:02:24,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2020-10-28 16:02:24,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-10-28 16:02:25,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 423. [2020-10-28 16:02:25,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-10-28 16:02:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 584 transitions. [2020-10-28 16:02:25,197 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 584 transitions. Word has length 153 [2020-10-28 16:02:25,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:02:25,198 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 584 transitions. [2020-10-28 16:02:25,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 16:02:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 584 transitions. [2020-10-28 16:02:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 16:02:25,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:02:25,201 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2020-10-28 16:02:25,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:02:25,202 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:02:25,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:02:25,202 INFO L82 PathProgramCache]: Analyzing trace with hash -697316117, now seen corresponding path program 1 times [2020-10-28 16:02:25,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:02:25,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453429078] [2020-10-28 16:02:25,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:02:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:25,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:25,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:25,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:25,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:25,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:26,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:26,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:26,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:26,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:26,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:26,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:27,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:27,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:27,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:27,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:29,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:30,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:30,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-28 16:02:30,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 16:02:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 16:02:30,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:30,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:02:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:02:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 16:02:30,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:32,219 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-28 16:02:32,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:02:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:32,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:32,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:32,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:02:32,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:32,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 16:02:32,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:32,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:32,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:32,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:32,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:32,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:32,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:02:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:32,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:32,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:32,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:02:32,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:32,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:32,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:32,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:32,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:32,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:32,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:32,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:32,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:02:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:32,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:32,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:32,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:02:32,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:32,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:32,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:32,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:32,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:32,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:32,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:32,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:32,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:02:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:32,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:32,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:32,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:02:32,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:32,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:32,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:32,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:32,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:32,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:32,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:32,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:02:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:32,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:32,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:32,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:32,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:33,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:02:37,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:02:37,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4856 [2020-10-28 16:02:37,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:37,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:02:37,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:37,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:02:37,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:02:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:37,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:02:37,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:37,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:02:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:37,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:02:37,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:37,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 16:02:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:02:37,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:02:37,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:02:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:02:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:37,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:02:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:37,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 16:02:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:02:37,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:37,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:02:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:02:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:37,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:37,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 16:02:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:37,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 16:02:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:37,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:37,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:37,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:37,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:37,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:02:37,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453429078] [2020-10-28 16:02:37,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:02:37,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:02:37,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869038530] [2020-10-28 16:02:37,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:02:37,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:02:37,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:02:37,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:02:37,527 INFO L87 Difference]: Start difference. First operand 423 states and 584 transitions. Second operand 11 states. [2020-10-28 16:02:42,987 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-28 16:02:57,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:02:57,582 INFO L93 Difference]: Finished difference Result 983 states and 1484 transitions. [2020-10-28 16:02:57,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:02:57,583 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-28 16:02:57,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:02:57,589 INFO L225 Difference]: With dead ends: 983 [2020-10-28 16:02:57,589 INFO L226 Difference]: Without dead ends: 824 [2020-10-28 16:02:57,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:02:57,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-10-28 16:02:57,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 463. [2020-10-28 16:02:57,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-10-28 16:02:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 651 transitions. [2020-10-28 16:02:57,788 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 651 transitions. Word has length 159 [2020-10-28 16:02:57,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:02:57,788 INFO L481 AbstractCegarLoop]: Abstraction has 463 states and 651 transitions. [2020-10-28 16:02:57,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:02:57,788 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 651 transitions. [2020-10-28 16:02:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 16:02:57,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:02:57,792 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 16:02:57,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:02:57,792 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:02:57,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:02:57,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1155598494, now seen corresponding path program 2 times [2020-10-28 16:02:57,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:02:57,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976493557] [2020-10-28 16:02:57,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:02:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:57,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:57,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:57,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:57,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:58,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:58,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:00,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:00,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:02,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:02,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-28 16:03:02,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 16:03:02,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-28 16:03:02,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:02,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:02,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:03:02,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:03:02,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:03:02,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:04,846 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-28 16:03:04,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:03:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:04,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:04,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:04,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:03:04,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:04,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:03:04,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:04,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:04,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:04,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:03:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:04,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:04,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:04,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:03:04,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:04,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:04,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:04,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:04,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:04,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:03:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:04,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:04,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:04,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:03:04,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:04,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:04,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:04,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:04,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:04,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:04,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:04,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:04,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:03:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:04,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:04,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:04,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:03:04,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:04,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:04,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:04,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:04,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:04,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:04,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:04,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:04,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:03:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:04,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:04,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:04,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:05,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:05,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:03:09,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:03:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4095 [2020-10-28 16:03:09,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:09,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:03:09,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:09,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:03:09,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:03:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:09,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:03:09,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:09,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:03:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:09,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:03:09,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:09,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:03:09,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:09,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:09,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 16:03:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:03:09,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:03:09,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:03:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:03:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:09,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:03:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:09,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 16:03:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:03:09,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:03:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:03:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 16:03:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:09,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 16:03:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:09,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:09,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:09,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:09,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:09,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:09,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:09,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:09,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:09,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:09,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-28 16:03:09,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976493557] [2020-10-28 16:03:09,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:03:09,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:03:09,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977424298] [2020-10-28 16:03:09,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:03:09,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:03:09,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:03:09,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:03:09,355 INFO L87 Difference]: Start difference. First operand 463 states and 651 transitions. Second operand 11 states. [2020-10-28 16:03:13,587 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-28 16:03:26,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:03:26,518 INFO L93 Difference]: Finished difference Result 1440 states and 2276 transitions. [2020-10-28 16:03:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:03:26,519 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-28 16:03:26,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:03:26,527 INFO L225 Difference]: With dead ends: 1440 [2020-10-28 16:03:26,527 INFO L226 Difference]: Without dead ends: 1047 [2020-10-28 16:03:26,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:03:26,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2020-10-28 16:03:26,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 538. [2020-10-28 16:03:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-28 16:03:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2020-10-28 16:03:26,814 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 159 [2020-10-28 16:03:26,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:03:26,815 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2020-10-28 16:03:26,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:03:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2020-10-28 16:03:26,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-28 16:03:26,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:03:26,819 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2020-10-28 16:03:26,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:03:26,819 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:03:26,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:03:26,820 INFO L82 PathProgramCache]: Analyzing trace with hash -466704315, now seen corresponding path program 1 times [2020-10-28 16:03:26,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:03:26,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200066647] [2020-10-28 16:03:26,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:03:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:26,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:26,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:27,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:27,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:27,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:27,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:27,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:27,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:28,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:28,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:28,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:28,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:28,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:31,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:31,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-28 16:03:31,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 16:03:31,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 16:03:31,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:31,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:31,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:03:31,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:03:31,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 16:03:31,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:33,839 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-28 16:03:33,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:03:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:33,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:33,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:33,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:03:33,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:33,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 16:03:33,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:33,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:33,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:33,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:03:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:33,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:33,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:33,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:03:33,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:33,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:33,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:33,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:33,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:03:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:33,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:33,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:33,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:03:33,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:33,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:33,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:33,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:33,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:33,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:33,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:33,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:33,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:03:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:33,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:33,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:33,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:03:33,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:33,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:33,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:33,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:33,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:33,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:03:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:33,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:33,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:33,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:33,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:34,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:37,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:37,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:03:37,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:03:37,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3942 [2020-10-28 16:03:37,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:37,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:37,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:37,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:37,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:37,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:37,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:37,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:37,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:03:37,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:37,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:37,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:37,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:37,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:37,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:37,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:37,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:37,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:37,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:37,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:37,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:37,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:37,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:37,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:37,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:37,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:37,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:37,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:37,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:37,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:37,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:37,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:37,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:37,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:37,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:37,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:37,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:37,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:37,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:37,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:37,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:37,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:37,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:37,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:37,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:37,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:37,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:37,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:37,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:37,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:37,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:37,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:03:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:37,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:37,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:37,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:37,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:37,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:03:37,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:37,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:37,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:37,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:37,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:37,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:37,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:37,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:37,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:37,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:37,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:37,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:37,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:37,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:37,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:37,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:37,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:37,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:37,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:37,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:37,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:37,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:37,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:37,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:37,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:37,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:37,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:37,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:37,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:37,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:37,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:03:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:37,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:37,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:37,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:37,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:37,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:03:37,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:37,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:37,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:37,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:37,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:37,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:38,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:03:38,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:38,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:38,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:38,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:38,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:38,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:38,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 16:03:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:38,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:03:38,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:03:38,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:03:38,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:38,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:38,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:38,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:38,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:03:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:38,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:38,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:38,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:38,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 16:03:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:38,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:38,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:38,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:38,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 16:03:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:38,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:03:38,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:38,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:03:38,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 16:03:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:38,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:38,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:38,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:38,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 16:03:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:38,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:38,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:38,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 16:03:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:38,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:38,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:38,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:38,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:38,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:38,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:38,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:03:38,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200066647] [2020-10-28 16:03:38,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:03:38,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:03:38,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057618173] [2020-10-28 16:03:38,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:03:38,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:03:38,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:03:38,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:03:38,186 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand 11 states. [2020-10-28 16:03:43,672 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-28 16:03:58,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:03:58,402 INFO L93 Difference]: Finished difference Result 1834 states and 3023 transitions. [2020-10-28 16:03:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:03:58,403 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2020-10-28 16:03:58,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:03:58,414 INFO L225 Difference]: With dead ends: 1834 [2020-10-28 16:03:58,414 INFO L226 Difference]: Without dead ends: 1471 [2020-10-28 16:03:58,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:03:58,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2020-10-28 16:03:58,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 680. [2020-10-28 16:03:58,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-10-28 16:03:58,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1019 transitions. [2020-10-28 16:03:58,909 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1019 transitions. Word has length 161 [2020-10-28 16:03:58,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:03:58,909 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 1019 transitions. [2020-10-28 16:03:58,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:03:58,909 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1019 transitions. [2020-10-28 16:03:58,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-28 16:03:58,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:03:58,914 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 16:03:58,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:03:58,914 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:03:58,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:03:58,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1221680602, now seen corresponding path program 1 times [2020-10-28 16:03:58,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:03:58,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195395397] [2020-10-28 16:03:58,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:03:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:58,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:59,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:59,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:59,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:59,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:59,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:03,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:03,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-28 16:04:03,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:04:03,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 16:04:03,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:03,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:03,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:04:03,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-28 16:04:03,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:04:03,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:05,959 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-28 16:04:05,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:04:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:05,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:05,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:05,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:04:05,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:05,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 16:04:05,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:05,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:05,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:06,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:04:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:06,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:06,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:06,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:04:06,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:06,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:06,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:06,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:04:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:06,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:06,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:06,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:04:06,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:06,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:06,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:06,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:06,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:06,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:06,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:06,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:06,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:04:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:06,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:06,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:06,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:04:06,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:06,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:06,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:06,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:06,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:06,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:04:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:06,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:06,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:06,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:06,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:06,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:04:10,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:04:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4764 [2020-10-28 16:04:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:04:10,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:04:10,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:04:10,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:04:10,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:10,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:10,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:04:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:10,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:10,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:04:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:04:10,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:04:10,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:04:10,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:10,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:10,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:10,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:04:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:10,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:10,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:04:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:04:10,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:04:10,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:04:10,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:04:10,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:10,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:10,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:04:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:10,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:10,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:10,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 16:04:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:10,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:10,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:10,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:04:10,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:10,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:04:10,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:10,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:04:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:10,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:11,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:11,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:11,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:11,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:11,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:11,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:11,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:11,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:11,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:11,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:11,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:11,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:11,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:04:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:11,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:11,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:11,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:11,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:11,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:11,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:11,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 16:04:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:11,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:11,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:11,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:11,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:11,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:11,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:11,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:11,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:11,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 16:04:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:11,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:11,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:11,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:04:11,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:11,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:11,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:11,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:11,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:11,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:04:11,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:11,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:11,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 16:04:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:11,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:11,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:11,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:11,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:11,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:11,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:11,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:11,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:11,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 16:04:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:11,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:11,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:11,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:11,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:11,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:11,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:11,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:11,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:11,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 16:04:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:11,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:11,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:11,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:11,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:11,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:11,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:04:11,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195395397] [2020-10-28 16:04:11,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:04:11,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:04:11,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685221946] [2020-10-28 16:04:11,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:04:11,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:04:11,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:04:11,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:04:11,104 INFO L87 Difference]: Start difference. First operand 680 states and 1019 transitions. Second operand 11 states. [2020-10-28 16:04:15,715 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-28 16:04:30,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:04:30,089 INFO L93 Difference]: Finished difference Result 2893 states and 4988 transitions. [2020-10-28 16:04:30,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:04:30,089 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2020-10-28 16:04:30,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:04:30,104 INFO L225 Difference]: With dead ends: 2893 [2020-10-28 16:04:30,104 INFO L226 Difference]: Without dead ends: 2325 [2020-10-28 16:04:30,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:04:30,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2020-10-28 16:04:30,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 966. [2020-10-28 16:04:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2020-10-28 16:04:30,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1501 transitions. [2020-10-28 16:04:30,892 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1501 transitions. Word has length 161 [2020-10-28 16:04:30,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:04:30,892 INFO L481 AbstractCegarLoop]: Abstraction has 966 states and 1501 transitions. [2020-10-28 16:04:30,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:04:30,892 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1501 transitions. [2020-10-28 16:04:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-28 16:04:30,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:04:30,898 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2020-10-28 16:04:30,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 16:04:30,898 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:04:30,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:04:30,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1836337666, now seen corresponding path program 1 times [2020-10-28 16:04:30,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:04:30,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924846942] [2020-10-28 16:04:30,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:04:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:30,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:30,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:31,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:31,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:31,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking...